CN110091010B - Tapping machine is with medical thermostated container minor axis automatic feeding upset material returned device - Google Patents

Tapping machine is with medical thermostated container minor axis automatic feeding upset material returned device Download PDF

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Publication number
CN110091010B
CN110091010B CN201910391432.2A CN201910391432A CN110091010B CN 110091010 B CN110091010 B CN 110091010B CN 201910391432 A CN201910391432 A CN 201910391432A CN 110091010 B CN110091010 B CN 110091010B
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China
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falling door
falling
shaft
short shaft
supporting plate
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CN110091010A (en
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不公告发明人
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DEZHOU HAILIDA MOLDING Co.,Ltd.
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Shenzhen Lotut Innovation Design Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/16Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
    • B23G1/18Machines with one working spindle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Transmission Devices (AREA)

Abstract

The invention belongs to the technical field of medical equipment manufacturing, and relates to an automatic short shaft feeding, overturning and returning device of a medical constant temperature box for a tapping machine. The short shaft which is horizontally laid on the groove-shaped conveying belt is changed into vertical through the guide cylinder, and the pushing disc, the left anti-falling door I and the right anti-falling door I are prevented from falling. The pushing disc pushes the short shaft, the left anti-falling door I and the right anti-falling door I are pushed open, the short shaft and the V-shaped groove are clamped together, and the tapping cone performs tapping. The supporting plate leaves the short shaft, the servo motor rotates 180 degrees, the short shaft is turned upside down, the pushing disc withdraws, the short shaft vertically falls onto the flat belt through the blanking hole, falls into a space surrounded by the left anti-falling door II, the right anti-falling door II and the material baffle plate, and cannot topple. And the supporting plate cylinder pulls the left anti-falling door II and the right anti-falling door II to be opened, and the flat belt drives the short shaft to move forwards from back and is conveyed to the second tapping machine. The automatic feeding device can automatically feed materials to a first tapping machine, turn over the short shaft which is tapped with the end hole first, then automatically arrange the short shaft in line, put the short shaft and feed the short shaft to a second tapping machine.

Description

Tapping machine is with medical thermostated container minor axis automatic feeding upset material returned device
Technical Field
The invention belongs to the technical field of medical instrument manufacturing, relates to manufacturing equipment of parts on a medical incubator, and particularly relates to an automatic short shaft feeding, overturning and returning device of the medical incubator for a tapping machine.
Background
A short shaft is used as a supporting structure of a power supply in the medical incubator, the diameter of the short shaft is 20 mm, the length of the short shaft is 60 mm, and the centers of the circles of the two ends of the short shaft are respectively provided with a threaded hole. The invention application 201910357723.X can automatically arrange the short shafts to be processed in line and put the short shafts on a groove-shaped belt conveyor according to a uniform direction, the axial lead direction of the short shafts is parallel to the running direction of the groove-shaped belt, and the short shafts lie on the groove-shaped belt conveyor horizontally, so that the short shafts are convenient to take and use. If can make to first tapping machine automatic feeding, then will attack the minor axis of an end hole and overturn earlier then still automatic arrange in order, the one end of not tapping is unified upwards put well and is given second tapping machine for, then manual handling just can improve production efficiency by a wide margin relatively.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the automatic short shaft feeding and overturning material returning device for the medical constant temperature box, which can automatically feed materials to a first tapping machine, overturn a short shaft with one end hole being tapped firstly, then automatically arrange the short shaft in line and send the short shaft to a second tapping machine.
The invention is realized by the following technical scheme:
a short shaft automatic feeding, overturning and returning device of a medical incubator for a tapping machine comprises a groove-shaped belt conveyor, a first in-place sensor, a guide cylinder, a pushing assembly, a first anti-falling assembly, a V-shaped groove assembly, a second anti-falling assembly, a supporting plate assembly, a flat belt assembly and a workbench; the workbench is fixedly connected with the frame;
the groove-shaped belt conveyor comprises a driving grooved wheel and a groove-shaped conveying belt; the working edge, namely the upper edge, of the groove-shaped conveying belt runs from back to front, the short shaft is horizontally laid on the groove-shaped conveying belt and translates along with the groove-shaped conveying belt, and the axial lead of the short shaft is parallel to the running direction of the groove-shaped conveying belt; the light emitting and detecting direction of the first in-place sensor is horizontal and vertical to the running direction of the short shaft, the first in-place sensor is positioned right above the driving grooved wheel and fixedly connected with the rack, and the first in-place sensor detects whether the short shaft passes through the detecting area of the first in-place sensor; the rear equipment needs to process the short shafts one by one, the operation of the groove-shaped belt conveyor is stopped when the in-place sensor detects that the short shafts appear in the detection area, the groove-shaped belt conveyor runs to release one short shaft after the previous short shaft is processed, and the groove-shaped belt conveyor stops running when the next short shaft passes through the detection area of the in-place sensor, and the operation is stopped and stopped; the groove-shaped belt conveyor is fixedly connected with the rack;
the guide cylinder is a bent pipe with a continuous and smooth inner wall, the guide cylinder is fixedly connected with the rack, and is provided with two openings, wherein the opening facing downwards is called a lower opening of the guide cylinder, and the opening facing upwards backwards is called an upper rear opening of the guide cylinder; the lower opening of the guide cylinder is in a perfect circle shape, the rear upper opening of the guide cylinder is in an oblate shape, and the rear upper opening of the guide cylinder is in lap joint with a discharge hole at the front end of the groove-shaped belt conveyor; the size of the rear upper opening of the guide cylinder is small in the left-right direction and large in the front-up-back-down direction; the short shaft moves forwards along with the groove-shaped conveying belt, the front end of the short shaft passes through the driving grooved wheel, the groove-shaped conveying belt winds downwards on the driving grooved wheel to be away from the front end of the short shaft, the short shaft continues to move forwards, the front end of the short shaft sequentially passes through the position right above the rear lower edge and the position right below the front upper edge of the rear upper opening of the guide cylinder, then the gravity center of the short shaft leaves the groove-shaped conveying belt through the position right above the axial line of the driving grooved wheel, the front end of the short shaft falls downwards firstly and turns downwards to enter the guide cylinder, the short shaft falls under the action of gravity under the guiding action of the guide cylinder and becomes the vertical direction when passing through the lower opening of the guide cylinder, the front end of the short shaft becomes;
the propelling assembly comprises a propelling cylinder and a propelling disc assembly; the propulsion cylinder comprises a propulsion cylinder body and a propulsion cylinder piston rod; the propulsion cylinder body is fixedly connected with the frame; the pushing disc assembly comprises a pushing disc and two pushing door guide plates, and the two pushing door guide plates are fixedly connected to the left side and the right side of the pushing disc respectively; the propelling disc is provided with a round propelling surface facing forwards; the rear part of the propulsion disc is fixedly connected with the tail end of a piston rod of the propulsion cylinder;
the first anti-falling component comprises a first left anti-falling component, a first right anti-falling component and a first elastic component;
the left anti-falling assembly I comprises a left anti-falling door shaft I, a left anti-falling door I, a left incomplete gear and an elastic part hanging pin I; one side of the first left anti-falling door shaft and one side of the first left anti-falling door are fixedly connected to form a door-shaped part, one direction of the left anti-falling door shaft is vertical, the first left anti-falling door shaft is connected with the workbench through a revolute pair, and the first left anti-falling door is arranged at the upper part of the workbench; the first left anti-falling door shaft penetrates through the workbench and is fixedly connected with the axle center part of the left incomplete gear at the lower part of the workbench; the elastic piece hanging pin I is fixedly connected with the left incomplete gear, and the axial lead of the elastic piece hanging pin I is not coincident with the axial lead of the left anti-falling door shaft I;
the right anti-falling assembly I comprises a right anti-falling door shaft I, a right anti-falling door I and a right incomplete gear; one side of the right anti-falling door shaft I and one side of the right anti-falling door I are fixedly connected to form a door-shaped part, the right anti-falling door shaft I is vertical in direction, the right anti-falling door shaft I is connected with the workbench through a revolute pair, and the right anti-falling door I is arranged at the upper part of the workbench; the first right anti-falling door shaft penetrates through the workbench and is fixedly connected with the axle center part of the incomplete right gear at the lower part of the workbench; the left incomplete gear is meshed with the right incomplete gear; the lower surface of the workbench is provided with an elastic piece hanging pin II; two ends of the first elastic piece are respectively hung on the first elastic piece hanging pin and the second elastic piece hanging pin; under the action of elastic tension of the first elastic piece, the first left anti-falling component rotates around the first left anti-falling door shaft, and the first left anti-falling component drives the first right anti-falling component to rotate around the first right anti-falling door shaft in the opposite direction through the combination of the left incomplete gear and the right incomplete gear until the opposite side of the connecting edge of the first left anti-falling door and the first left anti-falling door shaft is contacted with the opposite side of the connecting edge of the first right anti-falling door and the first right anti-falling door shaft and prevents the first left anti-falling door and the first right anti-falling door shaft from rotating continuously;
the combination of the propulsion disc assembly and the propulsion cylinder piston rod performs piston motion in the front-rear direction relative to the propulsion cylinder body; when a piston rod of the propulsion cylinder is completely retracted into the propulsion cylinder body, a circular propulsion surface of the propulsion disc, a first left anti-falling door and a first right anti-falling door serve as edges, and a lower workbench serves as a bottom, the three temporarily enclose a container with an upward opening, a short shaft in the vertical direction falling from a lower opening of the guide cylinder falls into the container, and due to the supporting and guiding effects of the circular propulsion surface of the propulsion disc, the first left anti-falling door and the first right anti-falling door, the short shaft is vertically erected on the workbench surface and cannot topple over;
the V-shaped groove assembly comprises a V-shaped groove disc and a servo motor; the V-shaped groove disc is provided with a V-shaped groove; the V-shaped groove disc is connected with the frame through a revolute pair, the opening of the V-shaped groove faces to the right horizontally, and the groove of the V-shaped groove forms a vertical direction; a shell flange of the servo motor is fixedly connected with the rack, and an output shaft of the servo motor is fixedly connected with the V-shaped groove disc;
when a piston rod of the propulsion cylinder extends out of the propulsion cylinder body, the propulsion cylinder drives the propulsion disc assembly to translate forwards, the propulsion disc pushes the short shaft to rub on the table top of the workbench to translate forwards, the propulsion disc pushes the left anti-falling door I and the right anti-falling door I, the left anti-falling door I and the right anti-falling door I respectively rotate around the left anti-falling door shaft I and the right anti-falling door shaft I towards the left and the right under the action of elastic tension of the elastic piece I, and the opposite side of the connecting edge of the left anti-falling door I and the left anti-falling door shaft I and the opposite side of the connecting edge of the right anti-falling door I and the right anti-falling door shaft I are separated from each other; when the pushing disc leaves the edge of the first left anti-falling door and the first right anti-falling door, the two pushing door guide plates continue to push the first left anti-falling door and the first right anti-falling door, so that the first left anti-falling door and the first right anti-falling door are prevented from being clamped on two sides of a piston rod of the pushing cylinder with small diameter;
the workbench is provided with a through blanking hole which is positioned below the V-shaped groove;
the supporting plate assembly comprises a supporting plate, a sliding block, a supporting plate cylinder and a supporting plate; the supporting plate cylinder comprises a supporting plate cylinder body and a supporting plate cylinder piston rod; the supporting plate cylinder body is fixedly connected with the frame; the tail end of the piston rod of the supporting plate cylinder, the sliding block and the supporting plate are fixedly connected with the support plate respectively; the rack is provided with a linear guide rail which is arranged in the front-back horizontal direction; the supporting plate is positioned in the blanking hole, and the upper horizontal surface of the supporting plate is aligned with the upper table top of the workbench in the horizontal direction; the sliding block and the linear guide rail form a linear guide rail pair, and the supporting plate cylinder piston rod drives the supporting plate cylinder piston rod, the sliding block, the supporting plate and the support plate to do piston motion in the front-back horizontal direction relative to the supporting plate cylinder body;
when the piston rod of the supporting plate cylinder extends out of the supporting plate cylinder body, the edge behind the supporting plate and the edge behind the blanking hole are butted together, the pushing disc pushes the short shaft to move forwards on the table top of the workbench in a friction mode, the short shaft moves to the upper surface of the supporting plate in a translation mode, then the short shaft continues to move in a translation mode, the short shaft is embedded into the V-shaped groove, the pushing disc and the V-shaped groove clamp the short shaft together, the purpose of accurate positioning is achieved, and the lower end of the short shaft is supported by the supporting plate below; at the moment, the tapping cone of the second tapping machine can tap in the bottom hole at the upper end of the short shaft;
after tapping is completed, the supporting plate cylinder piston rod retracts into the supporting plate cylinder body, the supporting plate cylinder piston rod, the sliding block, the supporting plate and the support plate are pulled to horizontally move towards the front, the short shaft is clamped and fixed by the pushing disc and the V-shaped groove, and the supporting plate leaves the lower end of the short shaft; the servo motor drives the V-shaped groove disc and the short shaft to rotate 180 degrees accurately, the pushing disc assembly is fixed, the short shaft rotates on the pushing disc assembly in a friction mode, the short shaft is turned upside down, namely one end of the short shaft which is threaded is downward, and the end of the short shaft which is not threaded is upward; the supporting plate leaves the lower end of the short shaft to ensure that the short shaft can complete rotation; then the piston rod of the propulsion cylinder retracts into the propulsion cylinder body, the propulsion disc leaves the short shaft, and the short shaft becomes a free body and vertically falls down along the V-shaped groove through the blanking hole;
the lower part of the workbench is provided with a material baffle plate, the material baffle plate is provided with a vertical surface facing forwards, and the vertical surface facing forwards of the material baffle plate is aligned with the edge behind the blanking hole up and down;
the tilting prevention assembly II comprises a left tilting prevention assembly II, a right tilting prevention assembly II, a left rope wheel, a right rope wheel, a left rope, a right rope, a tensioning cylinder and an elastic piece II;
the left anti-falling assembly II comprises a left anti-falling door shaft II, a left anti-falling door II, a left swing arm, an elastic piece left hanging pin and a rope left hanging pin; one edge of the second left anti-falling door is fixedly connected with the second left anti-falling door shaft; the left swing arm is fixedly connected with the left anti-falling door shaft II, the rope left hanging pin is fixed on the left anti-falling door shaft II, and the axis line of the left anti-falling door shaft II and the axis line of the rope left hanging pin are not overlapped; the left hanging pin of the elastic piece is fixedly connected to the second left anti-falling door, and the axial lead of the left hanging pin of the elastic piece and the axial lead of the left hanging pin of the rope are not overlapped; the left anti-falling door shaft II is connected with the workbench through a revolute pair;
the right anti-falling assembly II comprises a right anti-falling door shaft II, a right anti-falling door II, a right swing arm, an elastic piece right hanging pin and a rope right hanging pin; one edge of the second right anti-falling door is fixedly connected with the second right anti-falling door shaft; the right swing arm is fixedly connected with the right anti-falling door shaft II, the rope right hanging pin is fixed on the right anti-falling door shaft II, and the axis line of the right anti-falling door shaft II and the axis line of the rope right hanging pin are not overlapped; the right hanging pin of the elastic part is fixedly connected to the second right anti-falling door, and the axis of the right hanging pin of the elastic part is not coincident with the axis of the right hanging pin of the rope; the right anti-falling door shaft II is connected with the workbench through a revolute pair;
two ends of the second elastic part are respectively hung on the left hanging pin and the right hanging pin of the elastic part, and the opposite side of the connecting edge of the second left anti-falling door and the second left anti-falling door shaft is leaned against the opposite side of the connecting edge of the second right anti-falling door and the second right anti-falling door shaft under the action of the elastic tension of the second elastic part;
the tensioning cylinder comprises a tensioning cylinder body and a tensioning cylinder piston rod, the tensioning cylinder body is fixedly connected with the rack, and the tensioning cylinder piston rod makes piston motion relative to the tensioning cylinder body; the left rope pulley and the right rope pulley are respectively connected with the frame through a revolute pair; one end of a left rope is fixedly connected to a left rope hanging pin, the other end of the left rope is fixedly connected to the tail end of a piston rod of the tensioning cylinder, and the middle of the left rope is wound on the left rope wheel; one end of a right rope is fixedly connected to a right rope hanging pin, the other end of the right rope is fixedly connected to the tail end of a piston rod of the tensioning cylinder, and the middle of the right rope is wound on the right rope wheel;
the flat belt assembly comprises a driving roller, a flat belt, a bend roller, a flat belt motor and a roller bracket; the roller bracket is fixedly connected with the frame; the driving roller and the turnabout roller are respectively connected with the roller bracket through revolute pairs, a flat belt is wrapped between the driving roller and the turnabout roller, a shell flange of a flat belt motor is fixedly connected with the roller bracket, an output shaft of the flat belt motor is fixedly connected with the driving roller, and the flat belt motor drives the upper edge of the flat belt, namely a working edge, to translate from back to front;
the short shaft falls to the working edge of the flat belt through the blanking hole along the V-shaped groove, and the left anti-falling door II, the right anti-falling door II and the material baffle plate surround the short shaft to prevent falling; the striker plate is provided with a second in-place sensor, and a detection area of the second in-place sensor is a space surrounded by the second left anti-falling door, the second right anti-falling door and the striker plate, so that a short shaft in the area can be detected;
when the in-place sensor II detects that a short shaft exists in the area, the electric control system enables the supporting plate cylinder piston rod to retract into the supporting plate cylinder body, the supporting plate cylinder piston rod simultaneously pulls the left rope and the right rope, the left rope and the right rope respectively pull the left hanging pin and the right hanging pin of the ropes, the left anti-falling door II and the right anti-falling door II respectively rotate around the left anti-falling door shaft II and the right anti-falling door shaft II to overcome the elastic tension of the elastic piece II, the opposite side of the two-phase connecting edge of the left anti-falling door II and the left anti-falling door shaft is separated from the opposite side of the two-phase connecting edge of the right anti-falling door II and the right anti-falling door shaft, and a channel is reserved in; the working edge of the flat belt is driven by the flat belt motor to move forwards from back, and the short shaft is conveyed to the second tapping machine along with the forward movement from back, so that the purposes of automatically feeding the first tapping machine, firstly overturning the short shaft which taps the end hole, and then still automatically arranging the short shaft in line, putting the short shaft in line and conveying the short shaft to the second tapping machine are achieved.
The first elastic element or the second elastic element refers to an industrial rubber spring, a polyurethane spring or a metal spiral spring.
The working process of the present invention is as follows.
1) The short shaft is horizontally laid on the groove-shaped conveying belt and translates along with the groove-shaped conveying belt, and the groove-shaped belt conveyor stops running as soon as the in-place sensor detects the short shaft in the detection area.
2) After the previous short shaft is processed, the groove-shaped belt conveyor runs to discharge a short shaft, and the groove-shaped belt conveyor stops running when the next short shaft passes through a detection area of the in-place sensor.
3) The front end of the short shaft passes through the driving grooved wheel, the groove-shaped conveying belt winds downwards on the driving grooved wheel to be separated from the front end of the short shaft, the short shaft continues to move forwards, the front end of the short shaft sequentially passes through the upper portion of the rear lower edge of the rear upper opening of the guide cylinder and the lower portion of the front upper edge, then the gravity center of the short shaft leaves the groove-shaped conveying belt through the position right above the driving grooved wheel, the front end of the short shaft firstly falls downwards and turns downwards to enter the guide cylinder, the short shaft falls under the action of gravity under the guiding action of the guide cylinder and becomes the vertical direction when passing through the lower opening of the guide cylinder, the front end of the short shaft becomes the rear end of.
4) The short shaft in the vertical direction falling from the lower opening of the guide cylinder falls on the table top of the workbench, and is positioned in a space enclosed by the circular pushing surface of the pushing disc, the left anti-falling door I and the right anti-falling door I, and the short shaft is vertically erected on the table top of the workbench and cannot topple under the supporting and guiding effects of the three.
5) A piston rod of a propelling cylinder extends out of a propelling cylinder body to drive a propelling disc assembly to translate forwards, a propelling disc pushes a short shaft to rub on a table top of a workbench to translate forwards, the propelling disc pushes a left anti-falling door I and a right anti-falling door I, the left anti-falling door I and the right anti-falling door I rotate around a left anti-falling door shaft I and a right anti-falling door shaft I respectively towards the left and the right under the action of elastic tension of an elastic piece I, and the opposite side of the connecting edge of the left anti-falling door I and the left anti-falling door shaft I and the opposite side of the connecting edge of the right anti-falling door I and the right anti-falling door shaft I are separated from each other to give way for the short shaft and the propelling disc assembly; and when the pushing disc leaves the edge of the first left anti-falling door and the edge of the first right anti-falling door, the two pushing door guide plates continue to keep pushing the first left anti-falling door and the first right anti-falling door.
6) The pushing disc continues to push the short shaft until the short shaft is embedded into the V-shaped groove, the pushing disc and the V-shaped groove clamp the short shaft together, the purpose of accurate positioning is achieved, and the lower end of the short shaft is supported by the supporting plate below.
7) And a tapping screw tap on the first tapping machine taps in a bottom hole at one end with the short shaft upwards.
8) The supporting plate cylinder piston rod retracts into the supporting plate cylinder body, the supporting plate cylinder piston rod, the sliding block, the supporting plate and the support plate are pulled to horizontally move towards the front, the short shaft is clamped and fixed by the pushing disc and the V-shaped groove, and the supporting plate is separated from the lower end of the short shaft.
9) The servo motor rotates 180 degrees accurately, and the short shaft is turned upside down, namely, the end of the short shaft which is tapped is downward, and the end which is not tapped is upward. The lower end of the supporting plate away from the short shaft can ensure that the short shaft can complete rotation, and the short shaft does not interfere with the edge of the supporting plate or the blanking hole.
10) The piston rod of the propulsion cylinder retracts into the propulsion cylinder body, the propulsion disc leaves the short shaft, and the short shaft becomes a free body and vertically falls down along the V-shaped groove through the blanking hole.
11) The short shaft vertically falls onto the flat belt through the blanking hole and is positioned in a space surrounded by the left anti-falling door II, the right anti-falling door II and the baffle plate, and the short shaft cannot fall down.
12) The second in-place sensor on the striker plate detects that a left anti-falling door II, a short shaft is arranged in a space surrounded by the right anti-falling door II and the striker plate, the electric control system enables a supporting plate cylinder piston rod to retract into the supporting plate cylinder body, the supporting plate cylinder piston rod simultaneously pulls a left rope and a right rope, the left rope and the right rope respectively pull a left hanging pin and a right hanging pin, the left anti-falling door II and the right anti-falling door II respectively rotate around a left anti-falling door shaft II and a right anti-falling door shaft II to overcome elastic tension of an elastic piece II, opposite sides of two connecting sides of the left anti-falling door II and the left anti-falling door shaft and opposite sides of two connecting sides of the right anti-falling door II and the right anti-falling door shaft are separated from each other, and a channel is reserved in front of.
13) The working edge of the flat belt is driven by the flat belt motor to move forwards from back, and the short shaft is conveyed to the second tapping machine along with the forward movement from back, so that the purposes of automatically feeding the first tapping machine, firstly overturning the short shaft which taps the end hole, and then still automatically arranging the short shaft in line, putting the short shaft in line and conveying the short shaft to the second tapping machine are achieved.
The invention has the beneficial effects that: the short shaft tapping machine can automatically feed materials to a first tapping machine, turn over the short shaft which has been tapped with the end hole, and then automatically arrange the short shaft in line and put the short shaft to a second tapping machine; the automatic production level is improved, the labor force usage amount is reduced, and the labor cost is reduced for enterprises; the mechanical equipment automatically completes the function, all the functions are completed according to the program, the accuracy is high, and in contrast, manual placement has randomness and uncertainty.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is an enlarged partial cross-sectional view taken at C in FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1, in which the short shaft 100 is located in a space surrounded by the circular pushing surface of the pushing plate 321, the first left anti-falling door 412 and the first right anti-falling door 422;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1, showing a situation where the pushing disk 321 pushes the stub shaft 100 to translate forward, pushing the left anti-falling door one 412 and the right anti-falling door one 422 open, and the V-shaped groove 511 clamps the stub shaft 100 together;
fig. 5 is a cross-sectional view taken along line B-B of fig. 1, in which the following is depicted: a) the blade 71 moves horizontally forward away from the lower end of the stub shaft 100; b) the short shaft 100 falls into a space enclosed by the second left anti-falling door 612, the second right anti-falling door 622 and the striker plate 93; c) the opposite sides of the connecting sides of the first left falling prevention door 412 and the first left falling prevention door shaft 411 are contacted with the opposite sides of the connecting sides of the first right falling prevention door 422 and the first right falling prevention door shaft 421, and the meshing condition of the left incomplete gear 413 and the right incomplete gear 423 when the continuous rotation is prevented;
fig. 6 is a cross-sectional view taken along line B-B in fig. 1, in which the following is depicted: a) the edge of the rear face of the supporting plate 71 is butted with the edge of the rear face of the blanking hole 92; b) the second left anti-falling door 612 and the second right anti-falling door 622 leave a passage in front of the short shaft 100 away from each other; c) the short shaft 100 moves forwards from back along with the flat belt 82, when the opposite side of the connecting side of the left anti-falling door I412 and the left anti-falling door I411 and the opposite side of the connecting side of the right anti-falling door I422 and the right anti-falling door I421 are separated from each other, the left incomplete gear 413 and the right incomplete gear 423 are meshed;
fig. 7 is a partial sectional view of the three-dimensional structure of the guide cylinder 2;
fig. 8 is a schematic three-dimensional structure of the propulsion assembly 3;
FIG. 9 is a schematic three-dimensional view of the propulsion disc assembly 32;
FIG. 10 is a three-dimensional structure diagram of the fall prevention assembly I4 mounted on the workbench 9;
FIG. 11 is a schematic three-dimensional structure of a first left falling prevention assembly 41;
FIG. 12 is a schematic three-dimensional view of the first right anti-fall assembly 42;
fig. 13 is a schematic three-dimensional structure of the V-groove assembly 5;
FIG. 14 is a schematic three-dimensional structure of a V-groove disk 51;
FIG. 15 is a schematic three-dimensional view of the second anti-fall assembly 6 mounted on the worktable 9;
FIG. 16 is a schematic three-dimensional structure of the second left falling prevention assembly 61;
FIG. 17 is a schematic three-dimensional view of the second right anti-fall assembly 62;
FIG. 18 is a schematic three-dimensional view of the pallet assembly 7 mounted on the table 9 from below;
FIG. 19 is a schematic three-dimensional structure of the combination of the pallet cylinder piston rod 732, the slider 72, the pallet 71 and the mounting plate 74;
FIG. 20 is a schematic view of the three-dimensional structure of the pallet assembly 7 mounted on the table 9 from above;
FIG. 21 is a front view of the flat belt assembly 8;
shown in the figure:
1. a first in-place sensor; 2. a guide cylinder; 21. the rear upper opening of the guide cylinder; 211. a rear lower edge; 212. a front upper edge; 22. a lower opening of the guide cylinder; 3. a propulsion assembly; 31. propelling the cylinder; 311. propelling the cylinder block; 312. propelling a cylinder piston rod; 32. a thrust disc assembly; 321. a propulsion disc; 322. a door pushing guide plate; 4. a first anti-falling component; 41. a first left anti-falling component; 411. a first left anti-falling door shaft; 412. a first left anti-falling door; 413. a left incomplete gear; 414. the elastic piece is provided with a first hanging pin; 42. a first right anti-falling component; 421. the right anti-falling door shaft I; 422. a first anti-falling door is arranged on the right; 423. a right partial gear; 43. a polyurethane spring I; a V-groove assembly; v-groove disc 51; 511. V-shaped groove; 52. a servo motor; 6. a second anti-falling component; 61. a second left falling prevention assembly; 611. a second left anti-falling door shaft; 612. a second left anti-falling door; 613. a left swing arm; 614. the elastic piece is provided with a left hanging pin; 615. a rope left hanging pin; 62. a second right anti-falling component; 621. a second anti-falling door shaft on the right; 622. a second anti-falling door is arranged on the right side; 623. a right swing arm; 624. the elastic piece is provided with a right hanging pin; 625. a rope right hanging pin; 7. a pallet assembly; 71. a support plate; 72. a slider; 73. a pallet cylinder; 731. a pallet cylinder block; 732. a pallet cylinder piston rod; 74. a mounting plate; 8. a flat belt assembly; 81. a drive roller; 82. a flat belt; 83. a direction-changing drum; 84. a flat belt motor; 85. a drum support; 9. a work table; 91. a second in-place sensor; 92. a blanking hole; 93. a striker plate; 94. a linear guide rail; 95. a second elastic part hanging pin; 100. a minor axis; 200. a hopper assembly; 300. a scraper lifter; 400. a trough belt conveyor; 401. a drive sheave; 402. a trough conveyor belt; 500. and (6) tapping a screw tap.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example (b): see fig. 1-21.
A short shaft automatic feeding, overturning and returning device of a medical incubator for a tapping machine comprises a groove-shaped belt conveyor 400, a position sensor I1, a guide cylinder 2, a pushing assembly 3, a falling prevention assembly I4, a V-shaped groove assembly 5, a falling prevention assembly II 6, a supporting plate assembly 7, a flat belt assembly 8 and a workbench 9; the workbench 9 is fixedly connected with the frame;
the grooved belt conveyor 400 includes a drive sheave 401 and a grooved conveyor belt 402; the working edge, namely the upper edge, of the groove-shaped conveying belt 402 runs from back to front, the short shaft 100 lies on the groove-shaped conveying belt and translates along with the groove-shaped conveying belt, and the axial lead of the short shaft 100 is parallel to the running direction of the groove-shaped conveying belt 402; the light emitting and detecting directions of the first in-place sensor 1 are horizontal and perpendicular to the running direction of the short shaft 100, the first in-place sensor 1 is located right above the driving grooved wheel 401, the first in-place sensor 1 is fixedly connected with the rack, and the first in-place sensor 1 detects whether the short shaft 100 passes through the detecting area of the first in-place sensor 1; the following equipment needs to process the short shafts 100 one by one, the operation of the groove-shaped belt conveyor 400 is stopped when the in-place sensor 1 detects that the short shaft 100 appears in the detection area, the groove-shaped belt conveyor 400 runs to release one short shaft 100 after the previous equipment finishes processing, the groove-shaped belt conveyor 400 stops running when the next short shaft 100 passes through the detection area of the in-place sensor 1, and the operation is stopped and stopped; the trough belt conveyor 400 is fixedly connected with the frame;
the guide cylinder 2 is a bent pipe with a continuous and smooth inner wall, the guide cylinder 2 is fixedly connected with the frame, the guide cylinder 2 is provided with two openings, wherein the opening facing downwards is called a guide cylinder lower opening 22, and the opening facing backwards and upwards is called a guide cylinder rear upper opening 21; the lower opening 22 of the guide cylinder is in a right circular shape, the rear upper opening 21 of the guide cylinder is in an oblate shape, and the rear upper opening 21 of the guide cylinder is overlapped with a discharge opening at the front end of the groove-shaped belt conveyor 400; the size of the rear upper opening 21 of the guide cylinder is small in the left-right direction and large in the front-up-back-down direction; the short shaft 100 moves forwards along with the groove-shaped conveying belt 402, after the front end of the short shaft 100 passes through the driving sheave 401, the groove-shaped conveying belt 402 winds downwards on the driving sheave 401 and leaves the front end of the short shaft 100, the short shaft 100 continues to move forwards, the front end of the short shaft 100 sequentially passes through the rear lower edge 211 and the front upper edge 212 of the rear upper opening 21 of the guide cylinder, then the center of gravity of the short shaft 100 leaves the groove-shaped conveying belt 402 right above the axial line of the driving sheave 401, the front end of the short shaft 100 firstly falls downwards and turns downwards to enter the guide cylinder 2, the short shaft 100 falls under the action of gravity under the guiding action of the guide cylinder 2 and becomes the vertical direction when passing through the lower opening 22 of the guide cylinder, the front end of the short shaft 100 becomes the lower end of the short shaft 100;
the propulsion assembly 3 comprises a propulsion cylinder 31 and a propulsion disc assembly 32; the propulsion cylinder 31 includes a propulsion cylinder block 311 and a propulsion cylinder piston rod 312; the propulsion cylinder body 311 is fixedly connected with the frame; the pushing disc assembly 32 comprises a pushing disc 321 and two door-pushing guide plates 322, wherein the two door-pushing guide plates 322 are fixedly connected to the left side and the right side of the pushing disc 321 respectively; the pushing disk 321 has a circular pushing surface facing forward; the rear part of the propulsion disc 321 is fixedly connected with the tail end of the propulsion cylinder piston rod 312;
the anti-falling assembly I4 comprises a left anti-falling assembly I41, a right anti-falling assembly I42 and a polyurethane spring I43;
the first left anti-falling assembly 41 comprises a first left anti-falling door shaft 411, a first left anti-falling door 412, a left incomplete gear 413 and a first elastic piece hanging pin 414; one side of the first left anti-falling door shaft 411 and one side of the first left anti-falling door 412 are fixedly connected to form a door-shaped part, the direction of the first left anti-falling door shaft 411 is vertical, the first left anti-falling door shaft 411 is connected with the workbench 9 through a revolute pair, and the first left anti-falling door 412 is arranged at the upper part of the workbench 9; the first left anti-falling door shaft 411 passes through the workbench 9 and is fixedly connected with the lower part of the workbench 9 and the axle center part of the left incomplete gear 413; the first elastic part hanging pin 414 is fixedly connected with the left incomplete gear 413, and the axial line of the first elastic part hanging pin 414 is not coincident with the axial line of the first left anti-falling door shaft 411;
the first right anti-falling component 42 comprises a first right anti-falling door shaft 421, a first right anti-falling door 422 and a right incomplete gear 423; one side of the first right anti-falling door shaft 421 and one side of the first right anti-falling door 422 are fixedly connected to form a door-shaped part, the direction of the first right anti-falling door shaft 421 is vertical, the first right anti-falling door shaft 421 is connected with the workbench 9 through a revolute pair, and the first right anti-falling door 422 is arranged at the upper part of the workbench 9; the first right anti-falling door shaft 421 penetrates through the workbench 9 and is fixedly connected with the lower part of the workbench 9 and the axle center part of the right incomplete gear 423; the left incomplete gear 413 and the right incomplete gear 423 are meshed; the lower surface of the workbench 9 is provided with a second elastic piece hanging pin 95; two ends of the polyurethane spring I43 are respectively hung on the elastic piece hanging pin I414 and the elastic piece hanging pin II 95; under the action of elastic tension of a polyurethane spring I43, a left anti-falling assembly I41 rotates around a left anti-falling door shaft I411, the left anti-falling assembly I41 drives a right anti-falling assembly I42 to rotate around a right anti-falling door shaft I421 in opposite directions through the combination of a left incomplete gear 413 and a right incomplete gear 423 until the opposite side of the connecting side of the left anti-falling door I412 and the left anti-falling door shaft I411 is in contact with the opposite side of the connecting side of a right anti-falling door I422 and the right anti-falling door shaft I421 and prevents the opposite sides from rotating continuously;
the combination of the propulsion disc assembly 32 and the propulsion cylinder piston rod 312 piston-moves in the front-rear direction relative to the propulsion cylinder block 311; when the piston rod 312 of the propulsion cylinder is completely retracted into the propulsion cylinder body 311, the circular propulsion surface of the propulsion disc 321, the first left anti-falling door 412 and the first right anti-falling door 422 serve as the bottom of the lower workbench 9, the four temporarily enclose a container with an upward opening, the short shaft 100 in the vertical direction falling from the lower opening 22 of the guide cylinder falls into the container, and due to the supporting and guiding effects of the circular propulsion surface of the propulsion disc 321, the first left anti-falling door 412 and the first right anti-falling door 422, the short shaft 100 is vertically erected on the table top of the workbench 9 and cannot fall down;
the V-groove assembly 5 comprises a V-groove disc 51 and a servo motor 52; the V-shaped groove disc 51 is provided with a V-shaped groove 511; the V-shaped groove disc 51 is connected with the frame through a revolute pair, the opening of the V-shaped groove 511 faces to the right horizontally, and the groove of the V-shaped groove 511 forms a vertical direction; a shell flange of the servo motor 52 is fixedly connected with the frame, and an output shaft of the servo motor 52 is fixedly connected with the V-shaped groove disc 51; when the piston rod 312 of the propulsion cylinder extends out of the propulsion cylinder body 311, the propulsion disc assembly 32 is driven to translate forwards, the propulsion disc 321 pushes the short shaft 100 to translate forwards in a friction manner on the table top of the workbench 9, the propulsion disc 321 pushes the left anti-falling door I412 and the right anti-falling door I422, the left anti-falling door I412 and the right anti-falling door I422 overcome the elastic tension action of the polyurethane spring I43 and rotate towards the left and the right around the left anti-falling door shaft I411 and the right anti-falling door shaft I421 respectively, and the opposite side of the connecting side of the left anti-falling door I412 and the left anti-falling door shaft I411 is separated from the opposite side of the connecting side of the right anti-falling door I422 and the right anti-falling door shaft I421; after the pushing disc 321 leaves the edges of the first left anti-falling door 412 and the first right anti-falling door 422, the two pushing door guide plates 322 continue to push the first left anti-falling door 412 and the first right anti-falling door 422, so that the first left anti-falling door 412 and the first right anti-falling door 422 are prevented from being clamped on two sides of the pushing cylinder piston rod 312 with a small diameter;
a through blanking hole 92 is formed in the workbench 9, and the blanking hole 92 is located below the V-shaped groove 511;
the supporting plate assembly 7 comprises a supporting plate 71, a sliding block 72, a supporting plate cylinder 73 and a bracket plate 74; pallet cylinder 73 includes a pallet cylinder block 731 and a pallet cylinder piston rod 732; the supporting plate cylinder body 731 is fixedly connected with the frame; the tail end of the supporting plate cylinder piston rod 732, the sliding block 72 and the supporting plate 71 are fixedly connected with the support plate 74 respectively; a linear guide rail 94 is arranged on the rack, and the linear guide rail 94 is arranged in the front-back horizontal direction; the supporting plate 71 is positioned in the blanking hole 92, and the upper horizontal surface of the supporting plate 71 is aligned with the upper table top of the workbench 9 in the horizontal direction; the slide block 72 and the linear guide rail 94 form a linear guide rail pair, and the supporting plate cylinder piston rod 732 drives the combined body of the supporting plate cylinder piston rod 732, the slide block 72, the supporting plate 71 and the support plate 74 to do piston motion in the front-back horizontal direction relative to the supporting plate cylinder body 731;
when the supporting plate cylinder piston rod 732 extends out of the supporting plate cylinder body 731, the edge of the rear face of the supporting plate 71 is butted with the edge of the rear face of the blanking hole 92, the pushing disc 321 pushes the short shaft 100 to move forwards in a friction mode on the table top of the workbench 9, the short shaft 100 moves to the upper surface of the supporting plate 71 in a translation mode, then the short shaft 100 continues to move in a translation mode, the short shaft 100 is embedded into the V-shaped groove 511, the pushing disc 321 and the V-shaped groove 511 clamp the short shaft 100 together, the purpose of accurate positioning is achieved, and the lower end of the short shaft 100 is supported; at this time, the tapping cone 500 of the second tapping machine taps the bottom hole at the upper end of the stub shaft 100;
after tapping is completed, the supporting plate cylinder piston rod 732 retracts into the supporting plate cylinder body 731, the combined body of the supporting plate cylinder piston rod 732, the sliding block 72, the supporting plate 71 and the support plate 74 is pulled to horizontally move towards the front, the short shaft 100 is clamped and fixed by the pushing disc 321 and the V-shaped groove 511, and the supporting plate 71 is separated from the lower end of the short shaft 100;
the servo motor 52 drives the V-shaped groove disc 51 and the short shaft 100 to rotate 180 degrees accurately, the propulsion disc assembly 32 is not moved, the short shaft 100 rotates on the propulsion disc assembly 32 in a friction mode, the short shaft 100 is turned upside down, and the supporting plate 71 is separated from the lower end of the short shaft 100 and can ensure that the short shaft 100 rotates; then the piston rod 312 of the propulsion cylinder retracts into the propulsion cylinder body 311, the propulsion disc 321 leaves the short shaft 100, and the short shaft 100 becomes a free body and vertically falls down along the V-shaped groove 511 through the blanking hole 92;
a material baffle plate 93 is arranged at the lower part of the workbench 9, a vertical surface facing forwards is arranged on the material baffle plate 93, and the vertical surface facing forwards of the material baffle plate 93 is vertically aligned with the edge behind the blanking hole;
the tilting prevention assembly II 6 comprises a left tilting prevention assembly II 61, a right tilting prevention assembly II 62, a left rope wheel, a right rope wheel, a left rope, a right rope, a tensioning cylinder and a polyurethane spring II;
the second left anti-falling assembly 61 comprises a second left anti-falling door shaft 611, a second left anti-falling door 612, a left swing arm 613, an elastic piece left hanging pin 614 and a rope left hanging pin 615; one edge of the second left anti-falling door 612 is fixedly connected with the second left anti-falling door shaft 611; the left swing arm 613 is fixedly connected with a second left anti-falling door shaft 611, the left rope hanging pin 615 is fixed on the second left anti-falling door shaft 611, and the axis of the second left anti-falling door shaft 611 is not coincident with the axis of the left rope hanging pin 615; the left hanging pin 614 of the elastic piece is fixedly connected to the second left anti-falling door 612, and the axis of the left hanging pin 614 of the elastic piece is not coincident with the axis of the left hanging pin 615 of the rope; the second left anti-falling door shaft 611 is connected with the workbench 9 through a revolute pair;
the second right anti-falling assembly 62 comprises a second right anti-falling door shaft 621, a second right anti-falling door 622, a right swing arm 623, an elastic piece right hanging pin 624 and a rope right hanging pin 625; one edge of the second right anti-falling door 622 is fixedly connected with the second right anti-falling door shaft 621; the right swing arm 623 is fixedly connected with a right anti-falling door shaft II 621, a rope right hanging pin 625 is fixed on the right anti-falling door shaft II 621, and the axis line of the right anti-falling door shaft II 621 is not overlapped with the axis line of the rope right hanging pin 625; the elastic piece right hanging pin 624 is fixedly connected to the right anti-falling door II 622, and the axis of the elastic piece right hanging pin 624 is not coincident with the axis of the rope right hanging pin 625; the second right anti-falling door shaft 621 is connected with the workbench 9 through a revolute pair;
two ends of the second polyurethane spring are hung on the left hanging pin 614 and the right hanging pin 624 of the elastic part respectively, and the opposite side of the connecting side of the second left anti-falling door 612 and the second left anti-falling door shaft 611 leans against the opposite side of the connecting side of the second right anti-falling door 622 and the second right anti-falling door shaft 621 under the action of elastic tension of the second polyurethane spring;
the tensioning cylinder comprises a tensioning cylinder body and a tensioning cylinder piston rod, the tensioning cylinder body is fixedly connected with the rack, and the tensioning cylinder piston rod makes piston motion relative to the tensioning cylinder body; the left rope pulley and the right rope pulley are respectively connected with the frame through a revolute pair; one end of the left rope is fixedly connected to a rope left hanging pin 615, the other end of the left rope is fixedly connected to the tail end of a tensioning cylinder piston rod, and the middle of the left rope is wound on the left rope pulley; one end of a right rope is fixedly connected to a rope right hanging pin 625, the other end of the right rope is fixedly connected to the tail end of a tensioning cylinder piston rod, and the middle of the right rope is wound on a right rope wheel;
the flat belt assembly 8 comprises a driving roller 81, a flat belt 82, a bend roller 83, a flat belt motor 84 and a roller bracket 85; the roller bracket 85 is fixedly connected with the frame; the driving roller 81 and the turnabout roller 83 are respectively connected with the roller bracket 85 through a rotating pair, the flat belt 82 is wound between the driving roller 81 and the turnabout roller 83, a shell flange of the flat belt motor 84 is fixedly connected with the roller bracket 85, an output shaft of the flat belt motor 84 is fixedly connected with the driving roller 81, and the flat belt motor 84 drives the upper edge of the flat belt 82, namely the working edge, to translate from back to front;
the short shaft 100 falls to the working edge of the flat belt 82 through the blanking hole 92 along the V-shaped groove 511, and the left anti-falling door II 612, the right anti-falling door II 622 and the striker plate 93 surround the short shaft 100 to prevent falling; a second in-place sensor 91 is arranged on the striker plate 93, and the detection area of the second in-place sensor 91 is the space surrounded by the second left anti-falling door 612, the second right anti-falling door 622 and the striker plate 93, so that the short shaft 100 in the area can be detected;
when the position sensor II 91 detects that the short shaft 100 is arranged in the area, the electric control system enables the supporting plate cylinder piston rod 732 to retract into the supporting plate cylinder body 731, the supporting plate cylinder piston rod 732 simultaneously pulls the left rope and the right rope, the left rope and the right rope respectively pull the left hanging pin 615 and the right hanging pin 625 of the rope, the left anti-falling door II 612 and the right anti-falling door II 622 respectively rotate around the left anti-falling door shaft II 611 and the right anti-falling door shaft II 621 to overcome the elastic tension of the polyurethane spring II, the opposite side of the connecting side of the left anti-falling door II 612 and the left anti-falling door shaft II 611 is separated from the opposite side of the connecting side of the right anti-falling door II 622 and the right anti-falling door shaft II 621, and a passage is reserved in front of the short shaft 100; the flat belt motor 84 drives the working edge of the flat belt 82 to translate from back to front, and the short shaft 100 is conveyed to the second tapping machine along with the translation from back to front, so that the purposes of automatically feeding the first tapping machine, overturning the short shaft with one end hole being tapped firstly, then automatically arranging the short shaft in line, and conveying the short shaft to the second tapping machine are achieved.
The working process of this embodiment is as follows.
1) The stub shaft 100 lies flat on the troughed belt and translates with the troughed belt, and the troughed belt conveyor 400 stops when the position sensor 1 detects the presence of the stub shaft 100 in the detection area.
2) After the previous stub axle 100 is processed, the grooved belt conveyor 400 is run to pay out one stub axle 100, and the grooved belt conveyor 400 is stopped when the next stub axle 100 passes through the detection area of the in-position sensor 1.
3) After the front end of the short shaft 100 passes through the driving sheave 401, the groove-shaped conveying belt 402 winds downwards on the driving sheave 401 to leave the front end of the short shaft 100, the short shaft 100 continues to move forwards, the front end of the short shaft 100 sequentially passes above the rear lower edge 211 and below the front upper edge 212 of the rear upper opening 21 of the guide cylinder, then the gravity center of the short shaft 100 leaves the groove-shaped conveying belt 402 through the position right above the driving sheave 401, the front end of the short shaft 100 firstly falls downwards and turns downwards to enter the guide cylinder 2, the short shaft 100 falls downwards through the guide effect of the guide cylinder 2 under the action of gravity and changes into the vertical direction when passing through the lower opening 22 of the guide cylinder, the front end of the short shaft 100 becomes the rear end of the short shaft 100, and the rear.
4) The short shaft 100 in the vertical direction falling from the lower opening 22 of the guide cylinder falls on the table top of the workbench 9 and is positioned in a space enclosed by the circular pushing surface of the pushing disc 321, the left anti-falling door I412 and the right anti-falling door I422, and the short shaft 100 is vertically erected on the table top of the workbench 9 and cannot fall down under the supporting and guiding effects of the three.
5) The piston rod 312 of the propelling cylinder extends out of the propelling cylinder body 311 to drive the propelling disc assembly 32 to translate forwards, the propelling disc 321 pushes the short shaft 100 to translate forwards in a friction manner on the table board of the workbench 9, the propelling disc 321 pushes the left anti-falling door I412 and the right anti-falling door I422, the left anti-falling door I412 and the right anti-falling door I422 overcome the elastic tension action of the polyurethane spring I43 and respectively rotate towards the left and the right around the left anti-falling door shaft I411 and the right anti-falling door shaft I421, opposite sides of connecting sides of the left anti-falling door I412 and the left anti-falling door shaft I411 and opposite sides of connecting sides of the right anti-falling door I422 and the right anti-falling door shaft I421 are separated from each other to give way for the short shaft 100 and the propelling disc assembly 32; after the push plate 321 leaves the edge of the first left anti-falling door 412 and the first right anti-falling door 422, the two push door guide plates 322 continue to push the first left anti-falling door 412 and the first right anti-falling door 422.
6) The pushing disc 321 continues to push the stub shaft 100 until the stub shaft 100 is embedded into the V-shaped groove 511, the pushing disc 321 and the V-shaped groove 511 clamp the stub shaft 100 together, so that the purpose of accurate positioning is achieved, and the lower end of the stub shaft 100 is supported by the supporting plate 71 below.
7) The tapping tap 500 on the first machine taps into the bottom hole at the end of the stub shaft 100 facing upward.
8) The pallet cylinder rod 732 is retracted into the pallet cylinder block 731, and the combined body of the pallet cylinder rod 732, the slider 72, the pallet 71 and the bracket plate 74 is pulled to move horizontally forward, the stub shaft 100 is clamped and fixed by the thrust plate 321 and the V-shaped groove 511, and the pallet 71 is separated from the lower end of the stub shaft 100.
9) The servomotor 52 rotates exactly 180 degrees and the stub shaft 100 is turned upside down, i.e., the threaded end of the stub shaft 100 faces downward and the untapped end faces upward. The lower end of the plate 71 away from the stub shaft 100 ensures that the stub shaft 100 completes its rotation without interference between the stub shaft 100 and either the plate 71 or the edge of the drop hole 92.
10) The propulsion cylinder piston rod 312 retracts into the propulsion cylinder body 311, the propulsion disc 321 leaves the stub shaft 100, and the stub shaft 100 becomes a free body and falls vertically through the blanking hole 92 along the V-shaped groove 511.
11) The short shaft 100 vertically falls onto the flat belt 82 through the blanking hole 92, and is located in a space surrounded by the left anti-falling door II 612, the right anti-falling door II 622 and the striker plate 93, so that the short shaft cannot topple.
12) The in-place sensor II 91 on the striker plate 93 detects that a short shaft 100 is arranged in a space enclosed by the left anti-falling door II 612, the right anti-falling door II 622 and the striker plate 93, the electric control system enables the supporting plate cylinder piston rod 732 to retract into the supporting plate cylinder body 731, the supporting plate cylinder piston rod 732 simultaneously pulls the left rope and the right rope, the left rope and the right rope respectively pull the left hanging pin 615 and the right hanging pin 625 of the rope, the left anti-falling door II 612 and the right anti-falling door II 622 respectively rotate around the left anti-falling door shaft II 611 and the right anti-falling door shaft II 621 to overcome the elastic tension of the polyurethane spring II, opposite edges of connecting edges of the left anti-falling door II 612 and the left anti-falling door shaft II 611 are mutually separated from opposite edges of connecting edges of the right anti-falling door II 622 and the right anti-falling door shaft II 621, and a channel is reserved in front of the short.
13) The flat belt motor 84 drives the working edge of the flat belt 82 to translate from back to front, and the short shaft 100 is conveyed to the second tapping machine along with the translation from back to front, so that the purposes of automatically feeding the first tapping machine, overturning the short shaft with one end hole being tapped firstly, then automatically arranging the short shaft in line, and conveying the short shaft to the second tapping machine are achieved.
The beneficial effects of this embodiment: the short shaft tapping machine can automatically feed materials to a first tapping machine, turn over the short shaft which has been tapped with the end hole, and then automatically arrange the short shaft in line and put the short shaft to a second tapping machine; the automatic production level is improved, the labor force usage amount is reduced, and the labor cost is reduced for enterprises; the mechanical equipment automatically completes the function, all the functions are completed according to the program, the accuracy is high, and in contrast, manual placement has randomness and uncertainty.

Claims (2)

1. The short shaft automatic feeding, overturning and returning device of the medical incubator for the tapping machine is characterized by comprising a groove-shaped belt conveyor, a first in-place sensor, a guide cylinder, a pushing assembly, a first anti-falling assembly, a V-shaped groove assembly, a second anti-falling assembly, a supporting plate assembly, a flat belt assembly and a workbench; the workbench is fixedly connected with the frame;
the groove-shaped belt conveyor comprises a driving grooved wheel and a groove-shaped conveying belt; the working edge of the groove-shaped conveying belt moves from back to front, the short shaft is horizontally laid on the groove-shaped conveying belt and translates along with the groove-shaped conveying belt, and the axial lead of the short shaft is parallel to the moving direction of the groove-shaped conveying belt; the first in-place sensor is positioned right above the driving grooved wheel and fixedly connected with the rack, and the groove-shaped belt conveyor stops running when the first in-place sensor detects that the short shaft appears in a detection area; the groove-shaped belt conveyor is fixedly connected with the rack;
the guide cylinder is a bent pipe with a continuous and smooth inner wall, the guide cylinder is fixedly connected with the rack, and is provided with two openings, wherein the opening facing downwards is called a lower opening of the guide cylinder, and the opening facing upwards backwards is called an upper rear opening of the guide cylinder; the lower opening of the guide cylinder is in a right circular shape, and the rear upper opening of the guide cylinder is in an oblate shape; the size of the rear upper opening of the guide cylinder is small in the left-right direction and large in the front-up-back-down direction; the rear upper opening of the guide cylinder is overlapped with a discharge opening at the front end of the groove-shaped belt conveyor; the short shaft moves forwards along with the groove-shaped conveying belt, the front end of the short shaft passes through the driving grooved wheel, the groove-shaped conveying belt winds downwards on the driving grooved wheel to be away from the front end of the short shaft, the short shaft continues to move forwards, the front end of the short shaft sequentially passes through the position right above the rear lower edge and the position right below the front upper edge of the rear upper opening of the guide cylinder, then the gravity center of the short shaft leaves the groove-shaped conveying belt through the position right above the axial line of the driving grooved wheel, the front end of the short shaft falls downwards firstly and turns downwards to enter the guide cylinder, the short shaft falls under the action of gravity under the guiding action of the guide cylinder and becomes the vertical direction when passing through the lower opening of the guide cylinder, the front end of the short shaft becomes;
the propelling assembly comprises a propelling cylinder and a propelling disc assembly; the propulsion cylinder comprises a propulsion cylinder body and a propulsion cylinder piston rod; the propulsion cylinder body is fixedly connected with the frame; the pushing disc assembly comprises a pushing disc and two pushing door guide plates, and the two pushing door guide plates are fixedly connected to the left side and the right side of the pushing disc respectively; the propelling disc is provided with a round propelling surface facing forwards; the rear part of the propulsion disc is fixedly connected with the tail end of a piston rod of the propulsion cylinder;
the first anti-falling component comprises a first left anti-falling component, a first right anti-falling component and a first elastic component;
the left anti-falling assembly I comprises a left anti-falling door shaft I, a left anti-falling door I, a left incomplete gear and an elastic part hanging pin I; one side of the first left anti-falling door shaft and one side of the first left anti-falling door are fixedly connected to form a door-shaped part, one direction of the left anti-falling door shaft is vertical, the first left anti-falling door shaft is connected with the workbench through a revolute pair, and the first left anti-falling door is arranged at the upper part of the workbench; the first left anti-falling door shaft penetrates through the workbench and is fixedly connected with the axle center part of the left incomplete gear at the lower part of the workbench; the elastic piece hanging pin I is fixedly connected with the left incomplete gear, and the axial lead of the elastic piece hanging pin I is not coincident with the axial lead of the left anti-falling door shaft I;
the right anti-falling assembly I comprises a right anti-falling door shaft I, a right anti-falling door I and a right incomplete gear; one side of the right anti-falling door shaft I and one side of the right anti-falling door I are fixedly connected to form a door-shaped part, the right anti-falling door shaft I is vertical in direction, the right anti-falling door shaft I is connected with the workbench through a revolute pair, and the right anti-falling door I is arranged at the upper part of the workbench; the first right anti-falling door shaft penetrates through the workbench and is fixedly connected with the axle center part of the incomplete right gear at the lower part of the workbench; the left incomplete gear is meshed with the right incomplete gear; the lower surface of the workbench is provided with an elastic piece hanging pin II; two ends of the first elastic piece are respectively hung on the first elastic piece hanging pin and the second elastic piece hanging pin; under the action of elastic tension of the first elastic piece, the first left anti-falling component rotates around the first left anti-falling door shaft, and the first left anti-falling component drives the first right anti-falling component to rotate around the first right anti-falling door shaft in the opposite direction through the combination of the left incomplete gear and the right incomplete gear until the opposite side of the connecting edge of the first left anti-falling door and the first left anti-falling door shaft is contacted with the opposite side of the connecting edge of the first right anti-falling door and the first right anti-falling door shaft and prevents the first left anti-falling door and the first right anti-falling door shaft from rotating continuously;
the combination of the propulsion disc assembly and the propulsion cylinder piston rod performs piston motion in the front-rear direction relative to the propulsion cylinder body; when the piston rod of the propulsion cylinder retracts into the propulsion cylinder body, the circular propulsion surface of the propulsion disc, the first left anti-falling door and the first right anti-falling door serve as edges and the bottom of a lower workbench, a container with an upward opening is temporarily enclosed by the three, and a short shaft in the vertical direction, which falls from the lower opening of the guide cylinder, falls into the container;
the V-shaped groove assembly comprises a V-shaped groove disc and a servo motor; the V-shaped groove disc is provided with a V-shaped groove; the V-shaped groove disc is connected with the frame through a revolute pair, the opening of the V-shaped groove faces to the right horizontally, and the groove of the V-shaped groove forms a vertical direction; a shell flange of the servo motor is fixedly connected with the rack, and an output shaft of the servo motor is fixedly connected with the V-shaped groove disc;
when a piston rod of the propulsion cylinder extends out of the propulsion cylinder body, the propulsion cylinder drives the propulsion disc assembly to translate forwards, the propulsion disc pushes the short shaft to rub on the table top of the workbench to translate forwards, the propulsion disc pushes the left anti-falling door I and the right anti-falling door I, the left anti-falling door I and the right anti-falling door I respectively rotate around the left anti-falling door shaft I and the right anti-falling door shaft I towards the left and the right under the action of elastic tension of the elastic piece I, and the opposite side of the connecting edge of the left anti-falling door I and the left anti-falling door shaft I and the opposite side of the connecting edge of the right anti-falling door I and the right anti-falling door shaft I are separated from each other; when the pushing disc leaves the edge of the first left anti-falling door and the edge of the first right anti-falling door, the two pushing door guide plates continue to push the first left anti-falling door and the first right anti-falling door;
the workbench is provided with a through blanking hole which is positioned below the V-shaped groove;
the supporting plate assembly comprises a supporting plate, a sliding block, a supporting plate cylinder and a supporting plate; the supporting plate cylinder comprises a supporting plate cylinder body and a supporting plate cylinder piston rod; the supporting plate cylinder body is fixedly connected with the frame; the tail end of the piston rod of the supporting plate cylinder, the sliding block and the supporting plate are fixedly connected with the support plate respectively; the rack is provided with a linear guide rail which is arranged in the front-back horizontal direction; the supporting plate is positioned in the blanking hole, and the upper horizontal surface of the supporting plate is aligned with the upper table top of the workbench in the horizontal direction; the sliding block and the linear guide rail form a linear guide rail pair, and the supporting plate cylinder piston rod drives the supporting plate cylinder piston rod, the sliding block, the supporting plate and the support plate to do piston motion in the front-back horizontal direction relative to the supporting plate cylinder body;
when the piston rod of the supporting plate cylinder extends out of the supporting plate cylinder body, the edge behind the supporting plate and the edge behind the blanking hole are butted together, the pushing disc pushes the short shaft to move forwards on the table top of the workbench in a friction mode, the short shaft moves to the upper surface of the supporting plate in a translation mode, then the short shaft continues to move in a translation mode, the short shaft is embedded into the V-shaped groove, the pushing disc and the V-shaped groove clamp the short shaft together, and the lower end of the short shaft is supported by the supporting plate below;
a supporting plate cylinder piston rod retracts into the supporting plate cylinder body, the supporting plate cylinder piston rod, a sliding block, a supporting plate and a support plate are pulled to horizontally move towards the front, the short shaft is clamped and fixed by the pushing disc and the V-shaped groove, and the supporting plate is separated from the lower end of the short shaft;
the servo motor drives the V-shaped groove disc and the short shaft to rotate 180 degrees, the propulsion disc assembly is not moved, the short shaft rotates on the propulsion disc assembly in a friction mode, and the short shaft is turned upside down; then the piston rod of the propulsion cylinder retracts into the propulsion cylinder body, and the propulsion disc leaves the short shaft;
the lower part of the workbench is provided with a material baffle plate, the material baffle plate is provided with a vertical surface facing forwards, and the vertical surface facing forwards of the material baffle plate is aligned with the edge behind the blanking hole up and down;
the tilting prevention assembly II comprises a left tilting prevention assembly II, a right tilting prevention assembly II, a left rope wheel, a right rope wheel, a left rope, a right rope, a tensioning cylinder and an elastic piece II;
the left anti-falling assembly II comprises a left anti-falling door shaft II, a left anti-falling door II, a left swing arm, an elastic piece left hanging pin and a rope left hanging pin; one edge of the second left anti-falling door is fixedly connected with the second left anti-falling door shaft; the left swing arm is fixedly connected with the left anti-falling door shaft II, the rope left hanging pin is fixed on the left anti-falling door shaft II, and the axis line of the left anti-falling door shaft II and the axis line of the rope left hanging pin are not overlapped; the left hanging pin of the elastic piece is fixedly connected to the second left anti-falling door, and the axial lead of the left hanging pin of the elastic piece and the axial lead of the left hanging pin of the rope are not overlapped; the left anti-falling door shaft II is connected with the workbench through a revolute pair;
the right anti-falling assembly II comprises a right anti-falling door shaft II, a right anti-falling door II, a right swing arm, an elastic piece right hanging pin and a rope right hanging pin; one edge of the second right anti-falling door is fixedly connected with the second right anti-falling door shaft; the right swing arm is fixedly connected with the right anti-falling door shaft II, the rope right hanging pin is fixed on the right anti-falling door shaft II, and the axis line of the right anti-falling door shaft II and the axis line of the rope right hanging pin are not overlapped; the right hanging pin of the elastic part is fixedly connected to the second right anti-falling door, and the axis of the right hanging pin of the elastic part is not coincident with the axis of the right hanging pin of the rope; the right anti-falling door shaft II is connected with the workbench through a revolute pair;
two ends of the second elastic part are respectively hung on the left hanging pin and the right hanging pin of the elastic part, and the opposite side of the connecting edge of the second left anti-falling door and the second left anti-falling door shaft is leaned against the opposite side of the connecting edge of the second right anti-falling door and the second right anti-falling door shaft under the action of the elastic tension of the second elastic part;
the tensioning cylinder comprises a tensioning cylinder body and a tensioning cylinder piston rod, the tensioning cylinder body is fixedly connected with the rack, and the tensioning cylinder piston rod makes piston motion relative to the tensioning cylinder body; the left rope pulley and the right rope pulley are respectively connected with the frame through a revolute pair; one end of a left rope is fixedly connected to a left rope hanging pin, the other end of the left rope is fixedly connected to the tail end of a piston rod of the tensioning cylinder, and the middle of the left rope is wound on the left rope wheel; one end of a right rope is fixedly connected to a right rope hanging pin, the other end of the right rope is fixedly connected to the tail end of a piston rod of the tensioning cylinder, and the middle of the right rope is wound on the right rope wheel;
the flat belt assembly comprises a driving roller, a flat belt, a bend roller, a flat belt motor and a roller bracket; the roller bracket is fixedly connected with the frame; the driving roller and the turnabout roller are respectively connected with the roller bracket through revolute pairs, a flat belt is wrapped between the driving roller and the turnabout roller, a shell flange of a flat belt motor is fixedly connected with the roller bracket, an output shaft of the flat belt motor is fixedly connected with the driving roller, and the flat belt motor drives the upper edge of the flat belt, namely a working edge, to translate from back to front;
the short shaft falls to the working edge of the flat belt through the blanking hole along the V-shaped groove, and the left anti-falling door II, the right anti-falling door II and the material baffle plate surround the short shaft to prevent falling; the striker plate is provided with a second in-place sensor, and the detection area of the second in-place sensor is a space surrounded by the second left anti-falling door, the second right anti-falling door and the striker plate;
when the in-place sensor II detects that a short shaft exists in the area, the electric control system enables the supporting plate cylinder piston rod to retract into the supporting plate cylinder body, the supporting plate cylinder piston rod simultaneously pulls the left rope and the right rope, the left rope and the right rope respectively pull the left hanging pin and the right hanging pin of the ropes, the left anti-falling door II and the right anti-falling door II respectively rotate around the left anti-falling door shaft II and the right anti-falling door shaft II to overcome the elastic tension of the elastic piece II, the opposite side of the two-phase connecting edge of the left anti-falling door II and the left anti-falling door shaft is separated from the opposite side of the two-phase connecting edge of the right anti-falling door II and the right anti-falling door shaft, and a channel is reserved in; the working edge of the flat belt is driven by the flat belt motor to translate from back to front, and the short shaft is conveyed to the second tapping machine along with the translation from back to front.
2. The automatic short shaft feeding, overturning and returning device for the medical incubator of claim 1, wherein the first elastic member or the second elastic member is an industrial rubber spring, a polyurethane spring or a metal coil spring.
CN201910391432.2A 2019-05-13 2019-05-13 Tapping machine is with medical thermostated container minor axis automatic feeding upset material returned device Active CN110091010B (en)

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CN111151934A (en) * 2020-02-23 2020-05-15 杜宗英 Intelligent welding workstation for automatic assembly of detaching and withdrawing hanging piece pipe and pull pin base of medical wheelchair
CN114226881B (en) * 2021-11-30 2022-11-15 邯郸市占江预应力锚具有限公司 Efficient internal thread machining device for anchor rod connector production

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Denomination of invention: Short axis automatic feeding, flipping, and returning device for medical thermostats used in tapping machines

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