CN108188002B

CN108188002B - Roller machine

Info

Publication number: CN108188002B
Application number: CN201711336512.5A
Authority: CN
Inventors: 张序
Original assignee: Chongqing Mingding Machinery Manufacturing Co ltd
Current assignee: Chongqing Mingding Machinery Manufacturing Co ltd
Priority date: 2017-12-14
Filing date: 2017-12-14
Publication date: 2020-06-02
Anticipated expiration: 2037-12-14
Also published as: CN108188002A

Abstract

The invention belongs to the technical field of casting equipment, and particularly discloses a drum machine which comprises a base, a distributing mechanism and an air inlet disc, wherein an impurity discharging cavity is formed in the base, an impurity discharging hole is formed in the bottom of the base, the distributing mechanism comprises a plurality of hollow roll shafts, a pair of rotating discs, a top roll mechanism with a switch, a supporting wheel, a first motor and an incompletely-meshed rotating wheel, the top roll mechanism can jack up the roll shafts rotating to the bottom, and when the supporting wheel meshed with the incompletely-meshed rotating wheel does not rotate, the switch of the top roll mechanism is in a closed state. The invention provides a roller machine which is simple in clearance adjustment mode and rapid in finished product and sundry material sorting.

Description

Roller machine

Technical Field

The invention belongs to the technical field of casting equipment, and particularly discloses a drum machine.

Background

After injection molding and die casting of a workpiece are completed, sundries at a pouring gate are connected with a finished product and discharged from a die, the size of the sundries is smaller than that of the finished product, the conventional sundries separating mode is to screen out the sundries in the conveying process, and the finished product and the sundries cannot be effectively separated because some sundries cannot fall off from the finished product in the conveying process.

In order to solve the technical problems, the Chinese patent application with the application publication number of CN103599883A discloses a multipurpose roller structure injection molding and die casting sorting machine, which comprises a rack and a roller, wherein the roller comprises a roller main body formed by arranging a plurality of parallel roller shafts, a gap only used for screening out sundries is reserved between every two adjacent roller shafts, a first connecting and supporting ring for connecting and supporting the front ends of the roller shafts is arranged at the feeding end of the roller main body, and a second connecting and supporting ring for connecting and supporting the tail ends of the roller shafts is arranged at the discharging end of the roller main body; the rack is at least provided with four rollers which are matched with the first connecting and supporting ring and the second connecting and supporting ring to movably lift the roller; the roller is arranged on the frame in an inclined state that the height of the feeding end is greater than that of the discharging end, and at least one of the four rollers is connected with a driving mechanism for driving the roller to turn. According to the size proportion of the finished product and the sundries, the gap between two adjacent roll shafts of the part is correspondingly adjusted, so that the effects of screening the sundries and preventing the finished product from being discharged are achieved.

By adopting the technical scheme of the patent, 1) in the process of realizing adjustable gap, two adjacent roll shafts are provided, one is a main roll shaft, the other is an auxiliary roll shaft, and a connecting shaft is inserted into the main roll shaft, so that the auxiliary roll shaft revolves around the main roll shaft, and the installation is complicated in a gap adjustable mode; 2) according to the principle of expansion with heat and contraction with cold, after the injection molding and the die casting of the workpiece are completed, the temperature is higher, and the workpiece in the expansion state is not beneficial to separating from the sundries, so by adopting the technical scheme of the patent, the workpiece can be thoroughly sorted only by entering the roller machine for a longer time, and the sorting speed of the finished product and the sundries in the whole process is low.

Disclosure of Invention

The invention aims to provide a roller machine, which solves the problems that the roller machine for sorting finished products and sundries in the prior art is complicated in a clearance adjusting mode of adjacent roller shafts and slow in sorting speed of the finished products and the sundries.

In order to achieve the purpose, the basic scheme of the invention is as follows: a rotary drum machine comprises a base and a material distributing mechanism, wherein a material discharging cavity is formed in the base, a material discharging opening communicated with the material discharging cavity is formed in the bottom of the base, the rotary drum machine further comprises a material inlet disc, the material inlet disc is fixedly connected to the base, the material distributing mechanism comprises a plurality of hollow roll shafts, a pair of rotary discs, a top roll mechanism with a switch, a supporting wheel, a first motor and an incompletely-meshed rotary wheel, the roll shafts mutually enclose a bearing cavity of a synthetic workpiece, the first motor can drive the incompletely-meshed rotary wheel to rotate, each rotary disc is placed on two supporting wheels, the rotary discs rotate to drive the supporting wheel to rotate, the incompletely-meshed rotary wheel is in contact engagement with one supporting wheel, a material inlet and a material outlet are formed in the middle of each rotary disc, a plurality of clamping openings which are radially symmetrical along the rotary discs are formed in the periphery of the material inlet and outlet, the diameter of joint mouth is greater than the diameter at roller both ends, the one end of every roller articulates in left rotating circular disk joint mouth, and in the rotating circular disk joint mouth on the other end inserted the right side, the bottom of every roller was opened there was one row of gas pocket along the central line direction of roller, the dish that admits air is close to one side seal and sliding connection of rotating circular disk on the upper portion of rotating circular disk, the dish that admits air is kept away from one side of rotating circular disk and is equipped with the intake pipe, top roller mechanism is close to the rotating circular disk on right side to can jack-up rotate to the roller of bottom, when not rotating with the supporting wheel that incompletely meshes, the switch of top roller mechanism is in the.

The working principle of the basic scheme is as follows:

a plurality of roll shafts mutually enclose to form a bearing cavity of the workpiece; when the roller machine is installed, one end of the roller shaft is hinged in the rotary disc clamping opening on the left side, the other end of the roller shaft is inserted into the rotary disc clamping opening on the right side, and the diameter of the clamping opening is larger than that of the two ends of the roller shaft, so that the position of one end of the roller shaft in the rotary disc clamping opening on the left side is fixed, and the other end of the roller shaft in the rotary disc clamping opening on the left side can move in the radial direction along the roller shaft; because the bottom of each roll shaft is provided with a row of air holes along the central line direction of the roll shaft, one side of the air inlet disc close to the rotating disc is sealed and connected to the upper part of the rotating disc in a sliding way, and one side of the air inlet disc far away from the rotating disc is provided with the air inlet pipe, cooling air is introduced into the air inlet pipe of the air inlet disc, and the cooling air enters the roll shaft mainly through one end of the roll shaft and can be discharged from the air holes at the bottom of the roll shaft; because the side that the dish that admits air is close to the rotating disc seals and sliding connection is in the upper portion of rotating disc, so rotate the roller one end of upper portion and can be let in cooling gas to discharge from the gas pocket of bottom, because the work piece that is born is in the lower part that many rollers enclose synthetic bearing cavity each other all the time, so the work piece can receive the blowing of cooling gas from the upper portion, cooling gas can cool down for the work piece on the one hand, separation of finished product and miscellaneous material is accelerated, on the other hand the miscellaneous material that has been separated out is lighter because weight with the finished product, receiving the blowing of cooling gas from the top, be favorable to miscellaneous material to discharging from the clearance between the roller more, the finished product can be taken out from the business turn over mouth on the rotating disc of right side.

A workpiece is fed from a feeding and discharging port on the left rotating disc, the first motor is started, the incompletely meshed rotating wheel starts to rotate, the rotation of the incompletely meshed rotating wheel drives the supporting wheel to intermittently rotate, and the rotation of the supporting wheel drives the rotating disc to rotate; when the gear part which is not completely meshed with the rotating wheel is contacted with the supporting wheel, the supporting wheel rotates, and the switch of the top roller mechanism is in an off state; when the arc-shaped area of the incompletely-meshed rotating wheel is contacted with the supporting wheel, the supporting wheel and the rotating disc stop rotating, the switch of the top roller mechanism is in a closed state, the top roller mechanism works to enable the rotating disc to jack up the roller shaft rotating to the bottom, so that the gap between the roller shaft and the adjacent roller shaft is increased, and then the sundries are leaked from the gap, the purpose of sorting finished products and sundries is achieved, and the sorted sundries fall into a sundry outlet cavity in the base and are discharged through a sundry outlet at the bottom of the base; when the gear area of the incompletely meshed rotating wheel is contacted with the supporting wheel, the supporting wheel and the rotating disc continue to rotate, the switch of the top roller mechanism is in an off state, and the top roller mechanism stops working; in the whole process, cooling gas is introduced into the air inlet pipe of the air inlet disc, the cooling gas can enter the roller shaft on the upper part of the rotating disc through the air inlet disc and is discharged from one side of the roller shaft with air holes, so that a workpiece on the lower part of the rotating disc is cooled, on one hand, the separation of a finished product and sundries is accelerated, on the other hand, the sundries and the finished product are blown from top to bottom, and the blown sundries can be easily sorted out from the gap between the roller shafts because the weight of the sundries is light.

The beneficial effect of this basic scheme lies in: the roller shafts rotating to the bottom are jacked up through the jacking roller mechanism, so that sundries leak out from gaps among the roller shafts, and the purpose of sorting finished products and sundries is achieved; through changing the right-hand member diameter difference value of joint interface diameter and roller on the rotatory disc in right side or changing the journey that pushes away of knock-out roller mechanism, just can sort the miscellaneous material of different specifications, compare with the cylinder machine that changes clearance between the roller through the relative rotation of roller among the prior art, this cylinder machine installation is simple, realizes easily to it is bigger by clearance adjustable range between jack-up roller and the adjacent roller. In addition, the bottom of the roll shaft is provided with air holes, cooling gas can enter the roll shaft at the upper part of the rotary disc through the air inlet disc and is discharged from one side of the roll shaft with the air holes to cool a workpiece at the lower part of the rotary disc.

Further, the top roller mechanism includes cam, second motor, ejector pin and mount pad, the switch can control the work of second motor, the top of ejector pin is in the roller below of rotating to the bottom, the bottom of ejector pin with the cam offsets, mount pad fixed connection is in on the base, ejector pin sliding connection is in on the mount pad. When the arc-shaped area of the incomplete meshing rotating wheel is contacted with the supporting wheel, the supporting wheel and the rotating disc stop rotating, the switch of the top roller mechanism is in a closed state, the second motor drives the cam to rotate, the ejector rod rises, and the roller shaft above the ejector rod is jacked up, so that the distance between the roller shaft and the adjacent roller shaft is changed.

Furthermore, go out miscellaneous material chamber to go out miscellaneous material mouth department slope, make things convenient for the base to discharge miscellaneous material.

Further, the period for which the cam achieves one push stroke is equal to the time taken for the incompletely meshed rotary wheel to rotate through 180 °, and the circumference of the gear-shaped region of the incompletely meshed rotary wheel is one half of the entire circumference. When the arc-shaped area of the incompletely-meshed rotating wheel is contacted with the supporting wheel, the top roller mechanism starts to work, and after the incompletely-meshed rotating wheel rotates for half a circle, the top roller mechanism just finishes a pushing stroke.

Further, the distance of pushing away of cam equals the joint mouth diameter of right side rotating disc department with the difference of the right-hand member diameter of roller, the ejector pin just in time can rise the right-hand member of roller to the top of joint mouth, realizes the biggest regulation in clearance of bottommost roller and adjacent roller.

Further, the left end of every roller articulates the center department that is close to the rotating disc in the joint, rotates the roller left end height that the bottom is higher than the height of right-hand member, is the slope, and miscellaneous material and finished product can be along with the rotation of rotating disc, move from a left side to the right side, and miscellaneous material has been discharged at the removal in-process, and the finished product can gather and be close to right side rotating disc department in bearing the weight of the chamber, and it can to take out the finished product at last.

Drawings

FIG. 1 is a schematic structural diagram of a rolling machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a barrel machine according to an embodiment A of the present invention;

FIG. 3 is a schematic view of a partial structure of a barrel machine according to embodiment B of the present invention;

FIG. 4 is a schematic view of a portion of a drum machine according to an embodiment of the present invention at C;

FIG. 5 is a schematic structural diagram of an air intake disc of an embodiment of the rolling machine of the present invention;

fig. 6 is a schematic view of a roller shaft rotating to the bottom according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a base 1, a sundry discharging cavity 2, a sundry discharging port 3, a supporting wheel 4, a roller shaft 5, a rotating disc 6, an air inlet disc 7, a clamping port 8, an air hole 9, a switch 10, a first motor 11, an incomplete meshing rotating wheel 12, a material inlet/outlet port 13, an air inlet pipe 14, a cam 15, a second motor 16, an ejector rod 17 and a mounting seat 18.

As shown in fig. 1, a roller machine comprises a base 1, a material distribution mechanism and an air inlet disc 7, wherein universal wheels are arranged at four feet of the base 1, so that the roller machine can move conveniently; the interior of the base 1 is provided with a sundry discharging cavity 2, the sundry discharging cavity 2 is arranged below the material distributing mechanism, the bottom of the base 1 is provided with a sundry discharging port 3, the sundry discharging cavity 2 inclines towards the direction of the sundry discharging port 3, and sundry materials sorted from the material distributing mechanism can completely enter the sundry discharging cavity 2 and are discharged from the sundry discharging port 3.

As shown in fig. 2, 3, 4 and 5, the material separating mechanism includes a plurality of hollow roller shafts 5, a pair of rotating disks 6, a top roller mechanism with a switch 10, supporting wheels 4, a first motor 11 and incompletely-meshed rotating wheels 12, the first motor 11 is used for driving the incompletely-meshed rotating wheels 12 to rotate, each rotating disk 6 is placed on two supporting wheels 4, the supporting wheels 4 can drive the rotating disks 6 to rotate, so that the supporting wheels 4 can support and drive the rotating disks 6 to rotate, the incompletely-meshed rotating wheels 12 are in contact engagement with one supporting wheel 4 and can drive the supporting wheel 4 to rotate, a material inlet and outlet 13 is formed in the middle of the rotating disk 6, a plurality of clamping ports 8 which are symmetrical along the radial direction of the rotating disk 6 are formed around the material inlet and outlet 13, the diameter of each clamping port 8 is larger than the diameter of two ends of the roller shaft 5, one end of each roller shaft 5 is hinged in the clamping port 8 of the rotating disk 6 on the left side, the other end is inserted into a clamping opening 8 of a rotating disc 6 on the right side, and the bottom of each roller shaft 5 is provided with a row of air holes 9 along the central line direction of the roller shaft 5. The left end of each roller shaft 5 is preferably hinged to the center of the rotary disc 6 in the clamping port 8, as shown in fig. 5, the left end of the roller shaft 5 which rotates to the bottom is higher than the right end in height and is inclined, the sundries and the finished products move from left to right along with the rotation of the rotary disc 6, the sundries are discharged in the moving process, the finished products are gathered in the bearing cavity and are close to the right rotary disc 6, and finally the finished products are taken out.

One side of the air inlet disc 7 close to the rotating disc 6 is sealed and connected to the upper portion of the rotating disc 6 in a sliding mode, an air inlet pipe 14 is arranged on one side, away from the rotating disc 6, of the air inlet disc 7, cooling air is introduced from the air inlet pipe 14, and the cooling air enters the roll shaft 5 along one end of the roll shaft 5 and is discharged from the air hole 9 of the roll shaft 5.

The preferred top roller mechanism of this embodiment includes cam 15, second motor 16, ejector pin 17 and mount pad 18, and switch 10 can control the work of second motor 16, and the top of ejector pin 17 is in the below of the roller 5 that is closest to base 1, and the bottom of ejector pin 17 supports against cam 15, and mount pad 18 fixed connection is on base 1, and ejector pin 17 sliding connection is on mount pad 18. When incomplete meshing live wheel 12 does not contact with supporting wheel 4, supporting wheel 4 and rotating disc 6 stall, the switch 10 of knock-out roller mechanism is in the closure state, second motor 16 drive cam 15 rotates, ejector pin 17 rises, will be in the roller 5 jack-up of ejector pin 17 top, thereby change the clearance between the roller 5 of bottom and the adjacent roller 5, through changing the right-hand member diameter difference value of joint mouth 8 diameter and roller 5 on the rotating disc 6 on right side or changing the stroke that pushes away of knock-out roller mechanism, just can sort the miscellaneous material of different specifications.

The preferred embodiment is that the cam 15 performs one push stroke for a period equal to the time taken for the incompletely meshed rotary wheel 12 to rotate through 180 °, and the incompletely meshed rotary wheel 12 is provided with a gear-shaped region having a circumference occupying one half of the entire circumference. When the arc-shaped area of the incompletely-meshed rotating wheel 12 is contacted with the supporting wheel 4, the top roller mechanism starts to work, and after the incompletely-meshed rotating wheel rotates for half a circle, the top roller mechanism just finishes a pushing stroke. In addition, the pushing distance of the cam 15 is equal to the difference value between the diameter of the clamping opening 8 at the right rotating disc 6 and the diameter of the right end of the roller shaft 5, and the ejector rod 17 just can lift the right end of the bottommost roller shaft 5 to be in contact with the top end of the clamping opening 8, so that the adjustment that the gap between the bottommost roller shaft 5 and the adjacent roller shaft 5 is the largest is realized.

A plurality of roll shafts 5 mutually enclose to form a bearing cavity of the workpiece; when the roller machine is installed, one end of the roller shaft 5 is hinged in the clamping port 8 of the rotating disc 6 on the left side, and the other end of the roller shaft is inserted into the clamping port 8 of the rotating disc 6 on the right side; because the diameter of the clamping opening 8 is larger than the diameter of the two ends of the roller shaft 5, one end of the roller shaft 5 is fixed in the clamping opening 8 of the left rotating disc 6, and the other end of the roller shaft 5 can move in the radial direction of the roller shaft 5 in the clamping opening 8 of the right rotating disc 6; when finished products and sundries are sorted, firstly, workpieces are fed from a feeding and discharging port 13 on the left rotating disc 6, the first motor 11 is started, the incomplete meshing rotating wheel 12 starts to rotate, the rotation of the incomplete meshing rotating wheel 12 drives the supporting wheel 4 to rotate intermittently, and the rotation of the supporting wheel 4 drives the rotating disc 6 to rotate; when the gear portion not completely meshing the rotating wheel 12 is in contact with the supporting wheel 4, the supporting wheel 4 rotates, and the switch 10 of the top roller mechanism is in an off state; when the arc-shaped area of the incompletely-meshed rotating wheel 12 is contacted with the supporting wheel 4, the supporting wheel 4 and the rotating disc 6 stop rotating, the switch 10 of the top roller mechanism is in a closed state, the cam 15 starts to rotate, the top rod 17 jacks up the roller shaft 5 which rotates to the bottommost part, so that the gap between the roller shaft 5 and the adjacent roller shaft 5 is enlarged, the sundries leak out from the gap, the purpose of sorting finished products and sundries is achieved, and the sorted sundries fall into the sundry outlet cavity 2 in the base 1 and are discharged through the sundry outlet 3 at the bottom of the base 1; when the gear area which is not completely meshed with the rotating wheel 12 is contacted with the supporting wheel 4, the supporting wheel 4 and the rotating disk 6 continue to rotate, the switch 10 of the top roller mechanism is in an off state, and the cam 15 stops rotating; in the whole process, cooling gas is introduced into the air inlet pipe 14 of the air inlet disc 7, the cooling gas can enter the roller shaft 5 on the upper portion of the rotating disc 6 through the air inlet disc 7 and is discharged from one side of the roller shaft 5 with the air holes 9, the workpiece on the lower portion of the rotating disc 6 is cooled, on one hand, separation of finished products and sundries is accelerated, on the other hand, sundries and finished products are blown from top to bottom, the blown sundries can be easily sorted out from the gap of the roller shaft 5 due to the light weight of the sundries, and finally the finished products can be taken out from the feed and discharge port 13 on the rotating disc 6 on the right side.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A roller machine comprises a base and a material distributing mechanism, wherein a material discharging cavity is formed in the base, the bottom of the base is provided with a material discharging port communicated with the material discharging cavity, the roller machine is characterized by further comprising an air inlet disc, the air inlet disc is fixedly connected to the base, the material distributing mechanism comprises a plurality of hollow roller shafts, a pair of rotating discs, a top roller mechanism with a switch, a supporting wheel, a first motor and an incomplete meshing rotating wheel, the plurality of roller shafts mutually enclose a bearing cavity of a synthetic workpiece, the first motor can drive the incomplete meshing rotating wheel to rotate, each rotating disc is placed on two supporting wheels, the rotating disc drives the supporting wheel to rotate, the incomplete meshing rotating wheel is in contact meshing with one supporting wheel, the middle part of each rotating disc is provided with a material discharging port, and the material discharging port is provided with a plurality of clamping ports radially symmetrical along the rotating disc, the diameter of joint mouth is greater than the diameter at roller both ends, the one end of every roller articulates in left rotating circular disk joint mouth, and in the rotating circular disk joint mouth on the other end inserted the right side, the bottom of every roller was opened there was one row of gas pocket along the central line direction of roller, the dish that admits air is close to one side seal and sliding connection of rotating circular disk on the upper portion of rotating circular disk, the dish that admits air is kept away from one side of rotating circular disk and is equipped with the intake pipe, top roller mechanism is close to the rotating circular disk on right side to can jack-up rotate to the roller of bottom, when not rotating with the supporting wheel that incompletely meshes, the switch of top roller mechanism is in the.

2. The rotary drum machine according to claim 1, wherein the top roller mechanism comprises a cam, a second motor, a top rod and a mounting seat, the switch can control the second motor to work, the top end of the top rod is arranged below the roller shaft rotating to the bottom, the bottom end of the top rod abuts against the cam, the mounting seat is fixedly connected to the base, and the top rod is slidably connected to the mounting seat.

3. The rotary drum machine as claimed in claim 1, wherein said trash chamber is inclined toward said trash outlet.

4. The rotary drum machine according to claim 2, wherein said cam performs a push stroke for a period equal to the time taken for the incompletely meshed rotary wheel to rotate through 180 °, said incompletely meshed rotary wheel having a gear-shaped region of a circumference of one half of the entire circumference.

5. The roller machine as claimed in claim 2, wherein the push distance of the cam is equal to the difference between the diameter of the snap interface at the right rotating disk and the diameter of the right end of the roller shaft.

6. The rotary drum machine according to claim 1, wherein a left end of each roller shaft is hinged in the card slot near the center of the rotary disc.