CN114798937A - Automatic closing device of spring rod steel pipe component - Google Patents

Automatic closing device of spring rod steel pipe component Download PDF

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Publication number
CN114798937A
CN114798937A CN202210579546.1A CN202210579546A CN114798937A CN 114798937 A CN114798937 A CN 114798937A CN 202210579546 A CN202210579546 A CN 202210579546A CN 114798937 A CN114798937 A CN 114798937A
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China
Prior art keywords
cylinder
steel pipe
unit
along
plate
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Granted
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CN202210579546.1A
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Chinese (zh)
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CN114798937B (en
Inventor
胡威明
王祖雷
魏海泉
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Ningbo Lipinge Machine Industry Co ltd
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Ningbo Automation Equipment Co ltd
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Priority to CN202210579546.1A priority Critical patent/CN114798937B/en
Publication of CN114798937A publication Critical patent/CN114798937A/en
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Publication of CN114798937B publication Critical patent/CN114798937B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00Application of procedures in order to alter the diameter of tube ends
    • B21D41/04Reducing; Closing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention relates to the technical field of pipe processing, in particular to an automatic closing-in device for a spring rod steel pipe assembly, which comprises a workbench, a closing-in unit, a lifting unit, an anti-suspension unit and an anti-falling unit, wherein the closing-in unit comprises a clamping hole and a spinning wheel, the anti-suspension unit comprises a vertical frame, a first cylinder, a clamping jaw frame, a first roller and a second roller, and the vertical frame is arranged on the feeding side of the clamping hole; the first cylinder is arranged on the vertical frame along the vertical direction; the clamping jaw cylinder is arranged at the output end of the first cylinder; the clamping jaws are erected on the two clamping jaws of the clamping jaw cylinder; the anti-falling unit comprises a fixed table, a sliding plate, a second air cylinder, a third air cylinder, a first push plate and a top column; this application is through the steel pipe that the centre gripping hole centre gripping extends along the horizontal direction, and the unit carries out the centre gripping to the centre gripping position of not of steel pipe through preventing hanging simultaneously, and anticreep unit is with spacer sleeve, Y shape circle and uide bushing butt in the steel pipe to can stably close up to the steel pipe.

Description

Automatic closing device of spring rod steel pipe component
Technical Field
The invention relates to the technical field of pipe processing, in particular to an automatic closing device for a spring rod steel pipe assembly.
Background
The spring rod is a connecting rod capable of providing damping force, is similar to a gas spring in structure, and is widely applied to various fields of home furnishing, equipment and instruments and the like. The spring rod differs from a gas spring in that the damping force of the spring rod is from a spring inside the steel tube assembly, while the damping force of the gas spring is from a compressed gas inside the steel tube assembly.
The steel pipe subassembly of spring beam mainly includes steel pipe, spacer, Y shape circle and uide bushing, and spacer, Y shape circle and uide bushing are fixed in the tip of steel pipe in proper order along the axial, and concrete assembly structure is: the method comprises the steps of firstly rolling a groove on the outer wall of a steel pipe close to the end part to form an annular bulge on the inner wall of the steel pipe at the corresponding position, then sequentially inserting a spacer bush, a Y-shaped ring and a guide bush into the steel pipe from the end part of the steel pipe until the spacer bush is abutted against the annular bulge, and finally closing up the end part of the steel pipe to limit the spacer bush, the Y-shaped ring and the guide bush in the steel pipe.
In the process of closing up the spring rod steel pipe, the structure of the steel pipe is slender, and the spacer bush, the Y-shaped ring and the guide sleeve are easy to fall off from the steel pipe, so that the spacer bush, the Y-shaped ring and the guide sleeve are limited in the steel pipe to close up, and the existing equipment cannot stably limit and close up.
Disclosure of Invention
Therefore, it is necessary to provide an automatic closing device for a spring rod steel tube assembly to solve the problems in the prior art.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
an automatic spring rod steel pipe assembly closing device comprises a workbench and a closing unit arranged on the workbench, wherein the closing unit comprises a clamping hole which is horizontal in the axial direction and a spinning wheel for spinning a port of a steel pipe, and further comprises a lifting unit, an anti-suspension unit and an anti-falling unit, the lifting unit is arranged on the discharge side of the clamping hole and used for supporting the steel pipe, the anti-suspension unit comprises a vertical frame, a first air cylinder, a clamping jaw frame, a first roller and a second roller, and the vertical frame is arranged on the feed side of the clamping hole; the first cylinder is arranged on the stand along the vertical direction; the clamping jaw air cylinder is arranged at the output end of the first air cylinder, and the working end of the clamping jaw air cylinder faces downwards vertically; the clamping jaw frame is arranged on the two clamping jaws of the clamping jaw cylinder; the first roller and the second roller are coaxially arranged on the opposite sides of the two clamping jaw frames; the anti-falling unit comprises a fixed table, a sliding plate, a second air cylinder, a third air cylinder, a first push plate and a top column, and the fixed table is arranged on the discharging side of the clamping hole; the sliding plate is horizontally arranged on the fixed table in a sliding manner along the axial direction of the steel pipe; the second cylinder is arranged on the fixed table and used for driving the sliding plate to move; the first push plate is horizontally arranged on the sliding plate in a sliding manner along the radial direction of the steel pipe; the third cylinder is arranged on the sliding plate and used for driving the first push plate to slide; the fore-set is fixed on first push pedal, and when first push pedal removed the discharge end to the centre gripping hole, the fore-set was coaxial with the steel pipe, and the diameter of fore-set is less than the internal diameter of steel pipe.
Preferably, the device also comprises a material bearing unit and a material pushing unit, wherein the material bearing unit comprises a first electric grooved pulley set, a first positioning column and a first double-shaft double-rod cylinder, and the first electric grooved pulley set is arranged on the feeding side of the clamping hole along the horizontal direction; the first positioning column is fixedly arranged on the workbench, penetrates through the first electric grooved pulley set and is in sliding fit with the first electric grooved pulley set; the first double-shaft double-rod cylinder is arranged in the workbench and used for pushing the first electric grooved pulley set to lift along the vertical direction; the pushing unit is arranged on one side of the material bearing unit and used for pushing the steel pipe on the first electric grooved pulley group to be inserted into the clamping hole.
Preferably, the pushing unit comprises a second magnetic coupling rodless cylinder and a fourth cylinder, the second magnetic coupling rodless cylinder is arranged on one side of the first electric grooved pulley group along the horizontal direction, the fourth cylinder is arranged at the working end of the second magnetic coupling rodless cylinder along the vertical direction, and a second push plate for pushing the steel pipe to move on the first electric grooved pulley group along the horizontal direction is arranged at the working end of the fourth cylinder.
Preferably, the pushing unit further comprises a pressure sensor, the pressure sensor is arranged on the second pushing plate, and the second pushing plate pushes the end of the steel pipe along the horizontal direction through the pressure sensor.
Preferably, the material collecting unit comprises a second electric grooved wheel set, a material collecting box, a lifting plate and a second double-shaft double-rod cylinder, and the second electric grooved wheel set is arranged at the discharge end of the clamping hole along the horizontal direction; the material receiving box is arranged on one side of the second electric grooved wheel set, and the inner ground of the material receiving box is inclined downwards; the lifting plate is arranged at the bottom of the second electric grooved wheel set in a sliding mode along the vertical direction, a top plate penetrating through the second electric grooved wheel set along the vertical direction is arranged at the top end of the lifting plate, and the top end of the top plate is inclined; the second double-shaft double-rod cylinder is arranged at the bottom of the second electric fluted wheel set and used for driving the lifting plate to move along the vertical direction.
Preferably, the material receiving unit comprises a bottom plate and a threaded column, the bottom plate is horizontally arranged on the workbench, a second positioning column extending in the vertical direction is arranged at the top end of the bottom plate, and the second electric grooved pulley group is arranged on the second positioning column in a sliding manner in the vertical direction; the screw thread post rotates and sets up in the bottom of the electronic groove wheelset of second, and the screw thread post runs through the bottom plate along vertical direction and connects rather than the screw thread is screwed.
Preferably, the lifting unit comprises a supporting table, a push block, a lifting block, a first supporting wheel, a second supporting wheel, a fifth cylinder and a limiting block, the supporting table is arranged on the discharging side of the clamping hole, and the top end of the supporting table is provided with a placement groove which extends along the clamping hole in the radial direction; the pushing block is arranged at the bottom end of the placing groove in a sliding mode along the radial direction of the clamping hole, and a first inclined plane is arranged at the top end of the pushing block; the lifting block is arranged in the placing groove in a sliding mode along the vertical direction, and a second inclined plane in sliding fit with the first inclined plane is arranged at the bottom end of the lifting block; the first supporting wheel and the second supporting wheel are coaxially and rotatably arranged at the top end of the lifting block, the first supporting wheel and the second supporting wheel are positioned at the bottom of the spinning wheel, and a steel pipe in the spinning wheel is coaxially abutted between the first supporting wheel and the second supporting wheel; the fifth cylinder is arranged on one side of the supporting table, and an output rod of the fifth cylinder is fixedly connected with one side of the push block; the stopper sets up the opening side at the resettlement groove, and the stopper is located the dorsad side that the ejector pad connects the fifth cylinder.
Preferably, the two sides of the saddle are provided with first sliding grooves extending along the horizontal direction, and the two sides of the push block are provided with convex strips in sliding fit with the first sliding grooves.
Preferably, the two sides of the placing groove are provided with convex blocks extending along the vertical direction, the two sides of the lifting block are provided with second sliding grooves extending along the vertical direction, and the second sliding grooves are in sliding fit with the convex blocks.
Preferably, the lifting unit further comprises a fixing strip, a spring and fixing lugs, the fixing lugs are arranged on two sides of the lifting block, and the fixing lugs are in sliding fit with the placing grooves along the horizontal direction; the fixing strip is arranged at the top end of the supporting platform and is positioned at the top of the fixing lug; the fixed ear sets up between fixed strip and fixed ear, and the axis of fixed ear extends along vertical direction.
Compared with the prior art, the beneficial effect of this application is:
1. according to the steel pipe clamping device, the steel pipe extending in the horizontal direction is clamped through the clamping holes, meanwhile, the non-clamped part of the steel pipe is clamped through the anti-suspension unit, the separation sleeve, the Y-shaped ring and the guide sleeve are abutted to the steel pipe through the anti-falling unit, and therefore the steel pipe can be stably closed;
2. according to the steel pipe loading device, the steel pipe with the horizontal axis is loaded through the material loading unit, and then the steel pipe is pushed into the clamping hole through the material pushing unit, so that the steel pipe is quickly loaded;
3. the second magnetic coupling rodless cylinder can drive the fourth cylinder to move in the horizontal direction, and after the steel pipe is placed on the first electric grooved pulley group, the fourth cylinder is started, so that the working end of the fourth cylinder drives the second push plate to descend and move to the tail side of the steel pipe, and the steel pipe is pushed into the clamping hole by the second magnetic coupling rodless cylinder;
4. according to the steel pipe lifting device, the fifth cylinder is started, so that the first supporting wheel and the second supporting wheel can lift the steel pipe along the radial direction, the steel pipe is supported, and the whole deformation of the steel pipe is prevented;
5. this application is through setting up the fixed strip on the top of resettlement groove, and will fix the ear setting in the both sides of elevator to set up the vertical spring of axis between fixed strip and fixed ear, make the elevator need overcome the elasticity of spring and form the support to the steel pipe, when the ejector pad resets, the elevator can reset fast under the elastic force effect of spring, makes first riding wheel and second riding wheel can break away from the steel pipe fast.
Drawings
FIG. 1 is a spin-forming drawing of a steel pipe of the present application;
figure 2 is a perspective view of the necking device of the present application from a first perspective;
figure 3 is a perspective view of the necking device of the present application from a second perspective;
figure 4 is a perspective view of the necking device of the present application from a third perspective;
figure 5 is a front view of the necking device of the present application;
fig. 6 is a perspective view of the lifting unit and the drop-off prevention unit of the present application;
FIG. 7 is a partial exploded perspective view of the lift unit of the present application;
FIG. 8 is a partially exploded front view of the lift unit of the present application;
FIG. 9 is a perspective view of the anti-hang unit of the present application;
fig. 10 is a side view of the anti-hang unit of the present application.
The reference numbers in the figures are:
1-a workbench; 2-closing-in unit; 2 a-a clamping hole; 2 b-spinning wheel; 3-a lifting unit; 3 a-a pallet; 3a 1-placing groove; 3a 2-first runner; 3a 3-bumps; 3 b-a push block; 3b1 — first slope; 3b 2-ribs; 3 c-a lifting block; 3c1 — second slope; 3c 2-second runner; 3 d-a first riding wheel; 3 e-a second riding wheel; 3 f-a fifth cylinder; 3 g-a limiting block; 3 h-fixing strip; 3 i-a spring; 3 j-fixing ear; 4-anti-hanging unit; 4 a-a vertical frame; 4 b-a first cylinder; 4 c-a jaw cylinder; 4 d-a gripper frame; 4 e-a first roller; 4 f-second roller; 5-a disengagement prevention unit; 5 a-a stationary stage; 5 b-a sliding plate; 5 c-a second cylinder; 5 d-a third cylinder; 5 e-a first push plate; 5 f-top column; 6-a material bearing unit; 6 a-a first electric sheave group; 6 b-a first positioning post; 6 c-a first double-shaft double-rod cylinder; 7-a material pushing unit; 7 a-a second magnetically coupled rodless cylinder; 7 b-a fourth cylinder; 7b1 — second pusher plate; 7 c-a pressure sensor; 8-a receiving unit; 8 a-a second electric sheave group; 8 b-a material receiving box; 8 c-a lifter plate; 8c 1-top plate; 8 d-a second double-shaft double-rod cylinder; 8 e-a bottom plate; 8e 1-second location post; 8 f-threaded post; 9 a-steel tube; 9a 1-convex ring; 9 b-spacer bush; 9c-Y ring; 9 d-guide sleeve.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1-10, the present application provides:
an automatic closing-in device of a spring rod steel pipe assembly comprises a workbench 1 and a closing-in unit 2 arranged on the workbench 1, wherein the closing-in unit 2 comprises a clamping hole 2a which is horizontal in the axial direction and a spinning wheel 2b which spins a port of a steel pipe 9a, and further comprises a lifting unit 3, an anti-suspension unit 4 and an anti-drop unit 5, the lifting unit 3 is arranged on the discharge side of the clamping hole 2a and is used for supporting the steel pipe 9a,
the anti-suspension unit 4 comprises a vertical frame 4a, a first cylinder 4b, a clamping jaw cylinder 4c, a clamping jaw frame 4d, a first roller 4e and a second roller 4f, wherein the vertical frame 4a is arranged on the feeding side of the clamping hole 2 a; the first cylinder 4b is arranged on the stand 4a along the vertical direction; the clamping jaw cylinder 4c is arranged at the output end of the first cylinder 4b, and the working end of the clamping jaw cylinder 4c faces downwards vertically; the clamping jaw frame 4d is arranged on two clamping jaws of the clamping jaw cylinder 4 c; the first roller 4e and the second roller 4f are coaxially disposed on opposite sides of the two jaw frames 4 d;
the anti-falling unit 5 comprises a fixed table 5a, a sliding plate 5b, a second air cylinder 5c, a third air cylinder 5d, a first push plate 5e and a top column 5f, wherein the fixed table 5a is arranged on the discharging side of the clamping hole 2 a; the sliding plate 5b is horizontally arranged on the fixed table 5a in a sliding manner along the axial direction of the steel pipe 9 a; a second air cylinder 5c is arranged on the fixed table 5a for driving the sliding plate 5b to move; the first push plate 5e is horizontally arranged on the sliding plate 5b in a sliding manner along the radial direction of the steel pipe 9 a; the third cylinder 5d is arranged on the sliding plate 5b and used for driving the first push plate 5e to slide; the top column 5f is fixedly arranged on the first push plate 5e, when the first push plate 5e moves to the discharge end of the clamping hole 2a, the top column 5f is coaxial with the steel pipe 9a, and the diameter of the top column 5f is smaller than the inner diameter of the steel pipe 9 a.
Based on the above embodiments, the technical problem that the present application intends to solve is how to stably close the steel pipe with the spacer 9b, the Y-shaped ring 9c and the guide sleeve 9 d. Therefore, the steel pipe 9a extending in the horizontal direction is clamped through the clamping hole 2a, meanwhile, the unclamped part of the steel pipe 9a is clamped through the anti-suspension unit 4, the anti-drop unit 5 enables the spacer 9b, the Y-shaped ring 9c and the guide sleeve 9d to be abutted in the steel pipe 9a, and therefore the steel pipe 9a can be stably closed;
specifically, the workbench 1 is used for supporting and installing the closing-in unit 2, the axis of the steel tube 9a horizontally penetrates through the clamping hole 2a, and the closing-in part of the steel tube 9a is positioned at the bottom of the spinning wheel 2 b;
the fixed table 5a is used for stably installing the sliding plate 5b, starting the third air cylinder 5d to enable the first push plate 5e to extend out along the radial direction of the steel pipe 9a, enabling the ejection column 5f to be coaxial with the steel pipe, enabling the diameter of the ejection column 5f to be smaller than the inner diameter of the steel pipe 9a, starting the second air cylinder 5c to enable the sliding plate 5b to move along the axial direction of the steel pipe 9a, enabling the ejection column 5f to be coaxially inserted into the steel pipe 9a and abutted against the outer end of the guide sleeve 9d, and enabling the spacer 9b to be abutted against the convex ring 9a 1;
the stand 4a is used for supporting and installing a first air cylinder 4b, starting the first air cylinder 4b to enable the working end of the first air cylinder to drive the clamping jaw air cylinder 4c to move downwards, starting the clamping jaw air cylinder 4c to enable the two clamping jaw frames 4d to move oppositely, further enabling the first rollers 4e and the second rollers 4f on the two first rollers 4e to clamp the steel pipe 9a along the radial direction, and accordingly supporting the steel pipe 9a under the condition that the rotation of the steel pipe 9a is not influenced;
and starting the closing-in unit 2, so that the clamping hole 2a drives the steel pipe 9a to coaxially rotate, and meanwhile, the spinning wheel 2b moves downwards to close the steel pipe 9a, thereby preventing the spacer 9b, the Y-shaped ring 9c and the guide sleeve 9d from being separated from the steel pipe 9 a.
As shown in fig. 4, further:
also comprises a material bearing unit 6 and a material pushing unit 7, wherein the material bearing unit 6 comprises a first electric grooved pulley group 6a, a first positioning column 6b and a first double-shaft double-rod cylinder 6c,
the first electric grooved pulley group 6a is arranged on the feeding side of the clamping hole 2a along the horizontal direction;
the first positioning column 6b is fixedly arranged on the workbench 1, and the first positioning column 6b penetrates through the first electric grooved pulley group 6a and is in sliding fit with the first electric grooved pulley group;
the first double-shaft double-rod cylinder 6c is arranged in the workbench 1 and used for pushing the first electric sheave group 6a to lift along the vertical direction;
the pushing unit 7 is arranged on one side of the material bearing unit 6 and used for pushing the steel pipe 9a on the first electric sheave block 6a to be inserted into the clamping hole 2 a.
Based on the above-described embodiments, the technical problem to be solved by the present application is how to self-feed the steel pipe 9a having a horizontal axis to the grip hole 2 a. Therefore, the steel pipe 9a with the horizontal axis is placed through the material bearing unit 6, and then the steel pipe 9a is pushed to the clamping hole 2a through the material pushing unit 7, so that the steel pipe can be rapidly loaded;
specifically, a steel pipe 9a assembled with a spacer 9b, a Y-shaped ring 9c and a guide sleeve 9d is placed on a first electric grooved wheel set 6a, the first electric grooved wheel set 6a is slidably arranged on the workbench 1 through a first positioning column 6b, at the moment, the steel pipe on the first electric grooved wheel set 6a is coaxial with the clamping hole 2a, the pushing unit 7 is started to push the steel pipe 9a to the clamping hole 2a through the working end of the pushing unit, in order to prevent the steel pipe from being scraped by the first electric grooved wheel set 6a during rotation, the first double-shaft double-rod cylinder 6c is started to enable the first electric grooved wheel set 6a to descend, namely, the unclamped part of the steel pipe 9a is suspended, and then the suspending prevention unit 4 clamps the steel pipe, so that the closing operation is completed.
As shown in fig. 4, further:
the material pushing unit 7 comprises a second magnetic coupling rodless cylinder 7a and a fourth cylinder 7b, the second magnetic coupling rodless cylinder 7a is arranged on one side of the first electric sheave group 6a along the horizontal direction, the fourth cylinder 7b is arranged at the working end of the second magnetic coupling rodless cylinder 7a along the vertical direction, and a second push plate 7b1 for pushing the steel pipe 9a to move on the first electric sheave group 6a along the horizontal direction is arranged at the working end of the fourth cylinder 7 b.
Based on the above embodiments, the technical problem that the present application intends to solve is how to push the steel pipe on the material receiving unit 6 to the clamping hole 2a by the material pushing unit 7. Therefore, the second magnetic coupling rodless cylinder 7a can drive the fourth cylinder 7b to move along the horizontal direction, the steel pipe 9a is placed on the first electric grooved pulley group 6a, the fourth cylinder 7b is started, the working end of the fourth cylinder drives the second push plate 7b1 to descend and move to the tail side of the steel pipe 9a, and then the second magnetic coupling rodless cylinder 7a pushes the steel pipe 9a to the clamping hole 2 a.
As shown in fig. 3 and 4, further:
the pushing unit 7 further includes a pressure sensor 7c, the pressure sensor 7c is provided on the second push plate 7b1, and the second push plate 7b1 pushes the end of the steel pipe 9a in the horizontal direction by the pressure sensor 7 c.
Based on the above embodiment, the technical problem to be solved by the present application is how to control the pushing force of the second push plate 7b1 to the steel pipe 9 a. For this reason, the present application detects the pushing force of the second push plate 7b1 on the steel pipe 9a in real time by the pressure sensor 7c to prevent the steel pipe 9a from directly punching the clamping hole 2 a.
As shown in fig. 4 and 5, further:
also comprises a material receiving unit 8, the material receiving unit 8 comprises a second electric fluted wheel group 8a, a material receiving box 8b, a lifting plate 8c and a second double-shaft double-rod cylinder 8d,
the second electric fluted roller group 8a is arranged at the discharge end of the clamping hole 2a along the horizontal direction;
the material receiving box 8b is arranged on one side of the second electric grooved wheel set 8a, and the inner ground of the material receiving box 8b is inclined downwards;
the lifting plate 8c is arranged at the bottom of the second electric grooved wheel set 8a in a sliding mode along the vertical direction, the top end of the lifting plate 8c is provided with a top plate 8c1 penetrating through the second electric grooved wheel set 8a along the vertical direction, and the top end of the top plate 8c1 is inclined;
the second double-shaft double-rod cylinder 8d is arranged at the bottom of the second electric sheave group 8a and used for driving the lifting plate 8c to move along the vertical direction.
Based on the above embodiments, the technical problem to be solved by the present application is how to store the closed steel tube 9 a. Therefore, the steel pipe 9a that this application will close up is released from centre gripping hole 2a through pushing away material unit 7, is pull by second electric fluted wheel group 8a again, starts second double-shaft double-rod cylinder 8d, makes its working end upwards jacking lifter plate 8c for roof 8c1 passes second electric fluted wheel group 8a and jacking steel pipe 9a, and steel pipe 9a rolls to receiving material box 8b under the top inclined plane effect of roof 8c1, thereby accomplishes and receives the material.
As shown in fig. 5, further:
the material receiving unit 8 comprises a bottom plate 8e and a threaded column 8f, the bottom plate 8e is horizontally arranged on the workbench 1, a second positioning column 8e1 extending in the vertical direction is arranged at the top end of the bottom plate 8e, and the second electric sheave block 8a is arranged on the second positioning column 8e1 in a sliding mode in the vertical direction;
the threaded column 8f is rotatably arranged at the bottom end of the second electric sheave block 8a, and the threaded column 8f penetrates through the bottom plate 8e in the vertical direction and is screwed with the thread thereof.
Based on the above embodiments, the technical problem that the present application intends to solve is how to adjust the height of the second electric sheave block 8a to accommodate steel pipes 9a of different heights in the traction clamping hole 2 a. For this purpose, the second positioning column 8e1 is arranged on the bottom plate 8e, so that the second electric sheave group 8a is arranged on the top of the bottom plate 8e in a sliding manner along the vertical direction, and the position of the second electric sheave group 8a on the top of the bottom plate 8e is adjusted by rotating the threaded column 8 f.
As shown in fig. 6, 7 and 8, further:
the lifting unit 3 comprises a supporting platform 3a, a pushing block 3b, a lifting block 3c, a first supporting wheel 3d, a second supporting wheel 3e, a fifth cylinder 3f and a limiting block 3g,
the supporting platform 3a is arranged at the discharge side of the clamping hole 2a, and the top end of the supporting platform 3a is provided with a placing groove 3a1 extending along the radial direction of the clamping hole 2 a;
the pushing block 3b is arranged at the bottom end of the containing groove 3a1 in a sliding manner along the radial direction of the clamping hole 2a, and the top end of the pushing block 3b is provided with a first inclined surface 3b 1;
the lifting block 3c is arranged in the placing groove 3a1 in a sliding manner along the vertical direction, and the bottom end of the lifting block 3c is provided with a second inclined surface 3c1 in sliding fit with the first inclined surface 3b 1;
the first riding wheel 3d and the second riding wheel 3e are coaxially and rotatably arranged at the top end of the lifting block 3c, the first riding wheel 3d and the second riding wheel 3e are positioned at the bottom of the spinning wheel 2b, and a steel pipe in the spinning wheel 2b is coaxially abutted between the first riding wheel 3d and the second riding wheel 3 e;
the fifth cylinder 3f is arranged on one side of the supporting table 3a, and an output rod of the fifth cylinder 3f is fixedly connected with one side of the push block 3 b;
the limiting block 3g is arranged on the opening side of the placing groove 3a1, and the limiting block 3g is located on the back side of the pushing block 3b connected with the fifth cylinder 3 f.
Based on the above embodiments, the technical problem to be solved by the present application is how to lift the closed portion of the steel tube 9a to prevent the overall deformation. Therefore, the fifth cylinder 3f is started, so that the first supporting wheel 3d and the second supporting wheel 3e can lift the steel pipe 9a along the radial direction, the steel pipe 9a is supported, and the whole deformation of the steel pipe 9a is prevented;
specifically, the steel pipe coaxially passes through a clamping hole 2a along the horizontal direction, the clamping hole 2a positions and clamps the steel pipe, and meanwhile, the rolling groove part of the steel pipe is positioned at the bottom of a spinning wheel 2 b;
at this time, the bottoms of the first supporting roller 3d and the second supporting roller 3e, which are located at the closing-in position of the steel tube 9a, do not support the steel tube, the fifth cylinder 3f is started, so that the output shaft of the fifth cylinder pushes the push block 3b along the horizontal direction, so that the push block 3b slides along the horizontal direction in the placement groove 3a1, the first inclined surface 3b1 is in sliding fit with the second inclined surface 3c1, and the second inclined surface 3c1 is arranged in the placement groove 3a1 along the vertical direction in a sliding manner, that is, when the push block 3b moves along the horizontal direction, the lifting block 3c lifts along the vertical direction relative to the supporting platform 3a, so that the closing-in position of the steel tube 9a can be supported by the first supporting roller 3d and the second supporting roller 3e along the vertical direction;
the clamping hole 2a drives the closing-up part of the steel tube 9a to rotate between the first supporting roller 3d and the second supporting roller 3e, and the spinning wheel 2b presses downwards at the same time, so that the steel tube 9a is closed up; a limiting block 3g is arranged on one side of the placing groove 3a1, so that the limiting block 3g can limit the push block 3b, and the push block 3b is prevented from being separated from the placing groove 3a1
As shown in fig. 6, 7 and 8, further:
first slide grooves 3a2 extending in the horizontal direction are provided on both sides of the pallet 3a, and protruding strips 3b2 slidably engaged with the first slide grooves 3a2 are provided on both sides of the push block 3 b.
Based on the above-described embodiment, the technical problem that the present application intends to solve is how to stably slide the push block 3b in the seating groove 3a 1. Therefore, the bottom ends of the two sides of the placing groove 3a1 are provided with the first sliding grooves 3a2, and the two sides of the pushing block 3b are provided with the convex strips 3b2 which are in sliding fit with the first sliding grooves 3a2, so that the convex strips 3b2 are embedded with the first sliding grooves 3a2 to stably slide.
As shown in fig. 6, 7 and 8, further:
the two sides of the placing groove 3a1 are provided with a convex block 3a3 extending along the vertical direction, the two sides of the lifting block 3c are provided with a second sliding groove 3c2 extending along the vertical direction, and the second sliding groove 3c2 is in sliding fit with the convex block 3a 3.
Based on the above-described embodiment, the technical problem that the present application intends to solve is how to stably slide the elevator block 3c in the seating groove 3a1 in the vertical direction. For this reason, the second sliding grooves 3c2 extending along the vertical direction are arranged on the two sides of the lifting block 3c, and the convex blocks 3a3 extending along the horizontal direction are arranged at the top ends of the placing grooves 3a1, so that the convex blocks 3a3 and the second sliding grooves 3c2 are engaged and stably slide, and the lifting block 3c is prevented from being separated from the vertical track.
As shown in fig. 6, 7 and 8, further:
the lifting unit 3 also comprises a fixed strip 3h, a spring 3i and a fixed lug 3j,
the fixing lugs 3j are arranged on two sides of the lifting block 3c, and the fixing lugs 3j are in sliding fit with the placing grooves 3a1 along the horizontal direction;
the fixing strip 3h is arranged at the top end of the support table 3a, and the fixing strip 3h is positioned at the top of the fixing lug 3 j;
the fixing lug 3j is disposed between the fixing strip 3h and the fixing lug 3j, and the axis of the fixing lug 3j extends in the vertical direction.
Based on the above embodiment, the technical problem that the present application intends to solve is how to quickly separate the first riding wheel 3d and the second riding wheel 3e from the rolling groove of the abutting steel pipe after the push block 3b is reset. For this reason, this application is through setting up fixed strip 3h at the top of resettlement groove 3a1, and set up fixed ear 3j in the both sides of lifter 3c, and set up the vertical spring 3i of axis between fixed strip 3h and fixed ear 3j, make lifter 3c need overcome spring 3 i's elasticity and form the support to steel pipe 9a, when ejector pad 3b resets, lifter 3c can reset fast under spring 3 i's elastic force effect, make first riding wheel 3d and second riding wheel 3e can break away from steel pipe 9a fast.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides an automatic binding off device of spring beam steel pipe subassembly, including workstation (1), and close up unit (2) of setting on workstation (1), close up unit (2) including axial horizontally centre gripping hole (2a), and carry out spinning wheel (2b) of spinning to the port of steel pipe (9a), its characterized in that, still include lift unit (3), prevent hanging unit (4) and anticreep unit (5), lift unit (3) and set up in the delivery side of centre gripping hole (2a) and be used for supporting steel pipe (9a), prevent hanging unit (4) including grudging post (4a), first cylinder (4b), clamping jaw cylinder (4c), clamping jaw frame (4d), first gyro wheel (4e) and second gyro wheel (4f), grudging post (4a) set up in the feed side of centre gripping hole (2 a); the first cylinder (4b) is arranged on the stand (4a) along the vertical direction; the clamping jaw cylinder (4c) is arranged at the output end of the first cylinder (4b), and the working end of the clamping jaw cylinder (4c) faces downwards vertically; the clamping jaw frame (4d) is arranged on two clamping jaws of the clamping jaw cylinder (4 c); the first roller (4e) and the second roller (4f) are coaxially arranged on the opposite sides of the two clamping jaw frames (4 d); the anti-falling unit (5) comprises a fixed table (5a), a sliding plate (5b), a second air cylinder (5c), a third air cylinder (5d), a first push plate (5e) and a top column (5f), and the fixed table (5a) is arranged on the discharging side of the clamping hole (2 a); the sliding plate (5b) is horizontally arranged on the fixed platform (5a) in a sliding manner along the axial direction of the steel pipe (9 a); the second air cylinder (5c) is arranged on the fixed table (5a) and used for driving the sliding plate (5b) to move; the first push plate (5e) is horizontally arranged on the sliding plate (5b) in a sliding manner along the radial direction of the steel pipe (9 a); the third air cylinder (5d) is arranged on the sliding plate (5b) and used for driving the first push plate (5e) to slide; the ejection column (5f) is fixedly arranged on the first push plate (5e), when the first push plate (5e) moves to the discharge end of the clamping hole (2a), the ejection column (5f) is coaxial with the steel pipe (9a), and the diameter of the ejection column (5f) is smaller than the inner diameter of the steel pipe (9 a).
2. The automatic necking device for the spring rod steel tube assembly according to claim 1, further comprising a material bearing unit (6) and a material pushing unit (7), wherein the material bearing unit (6) comprises a first electric grooved pulley group (6a), a first positioning column (6b) and a first double-shaft double-rod cylinder (6c),
the first electric grooved pulley group (6a) is arranged on the feeding side of the clamping hole (2a) along the horizontal direction;
the first positioning column (6b) is fixedly arranged on the workbench (1), and the first positioning column (6b) penetrates through the first electric grooved pulley set (6a) and is in sliding fit with the first electric grooved pulley set;
the first double-shaft double-rod cylinder (6c) is arranged in the workbench (1) and used for pushing the first electric sheave group (6a) to lift along the vertical direction;
the pushing unit (7) is arranged on one side of the material bearing unit (6) and used for pushing the steel pipe (9a) on the first electric grooved wheel set (6a) to be inserted into the clamping hole (2 a).
3. The automatic necking device of the spring rod steel tube assembly according to claim 2, wherein the pushing unit (7) comprises a second magnetic coupling rodless cylinder (7a) and a fourth cylinder (7b), the second magnetic coupling rodless cylinder (7a) is arranged on one side of the first electric grooved wheel set (6a) along the horizontal direction, the fourth cylinder (7b) is arranged on the working end of the second magnetic coupling rodless cylinder (7a) along the vertical direction, and the working end of the fourth cylinder (7b) is provided with a second pushing plate (7b1) which pushes the steel tube (9a) to move on the first electric grooved wheel set (6a) along the horizontal direction.
4. The automatic necking device of the spring rod steel tube assembly according to claim 3, wherein the pushing unit (7) further comprises a pressure sensor (7c), the pressure sensor (7c) is arranged on the second pushing plate (7b1), and the second pushing plate (7b1) pushes the end of the steel tube (9a) in the horizontal direction through the pressure sensor (7 c).
5. The automatic necking device of the spring rod steel tube assembly according to claim 3 or 4, further comprising a material receiving unit (8), wherein the material receiving unit (8) comprises a second electric fluted wheel set (8a), a material receiving box (8b), a lifting plate (8c) and a second double-shaft double-rod cylinder (8d),
the second electric fluted roller set (8a) is arranged at the discharge end of the clamping hole (2a) along the horizontal direction;
the material receiving box (8b) is arranged on one side of the second electric grooved pulley group (8a), and the inner ground surface of the material receiving box (8b) is inclined downwards;
the lifting plate (8c) is arranged at the bottom of the second electric grooved wheel set (8a) in a sliding mode along the vertical direction, the top end of the lifting plate (8c) is provided with a top plate (8c1) penetrating through the second electric grooved wheel set (8a) along the vertical direction, and the top end of the top plate (8c1) is inclined;
the second double-shaft double-rod cylinder (8d) is arranged at the bottom of the second electric sheave group (8a) and used for driving the lifting plate (8c) to move along the vertical direction.
6. The automatic necking device of the spring rod steel tube assembly according to claim 5, wherein the material receiving unit (8) comprises a bottom plate (8e) and a threaded column (8f), the bottom plate (8e) is horizontally arranged on the workbench (1), a second positioning column (8e1) extending in the vertical direction is arranged at the top end of the bottom plate (8e), and a second electric sheave group (8a) is arranged on the second positioning column (8e1) in a sliding manner in the vertical direction;
the threaded column (8f) is rotatably arranged at the bottom end of the second electric fluted wheel set (8a), and the threaded column (8f) penetrates through the bottom plate (8e) along the vertical direction and is screwed with the threads of the bottom plate.
7. The automatic closing-in device of the spring rod steel tube assembly according to claim 1, wherein the lifting unit (3) comprises a supporting platform (3a), a pushing block (3b), a lifting block (3c), a first supporting wheel (3d), a second supporting wheel (3e), a fifth cylinder (3f) and a limiting block (3g),
the supporting platform (3a) is arranged on the discharging side of the clamping hole (2a), and the top end of the supporting platform (3a) is provided with a placement groove (3a1) extending along the radial direction of the clamping hole (2 a);
the push block (3b) is arranged at the bottom end of the placement groove (3a1) in a sliding manner along the radial direction of the clamping hole (2a), and the top end of the push block (3b) is provided with a first inclined surface (3b 1);
the lifting block (3c) is arranged in the placing groove (3a1) in a sliding mode along the vertical direction, and a second inclined surface (3c1) in sliding fit with the first inclined surface (3b1) is arranged at the bottom end of the lifting block (3 c);
the first supporting wheel (3d) and the second supporting wheel (3e) are coaxially and rotatably arranged at the top end of the lifting block (3c), the first supporting wheel (3d) and the second supporting wheel (3e) are positioned at the bottom of the spinning wheel (2b), and a steel pipe in the spinning wheel (2b) is coaxially abutted between the first supporting wheel (3d) and the second supporting wheel (3 e);
the fifth cylinder (3f) is arranged on one side of the supporting table (3a), and an output rod of the fifth cylinder (3f) is fixedly connected with one side of the push block (3 b);
the limiting block (3g) is arranged on the opening side of the placing groove (3a1), and the limiting block (3g) is located on the back side, connected with the fifth cylinder (3f), of the push block (3 b).
8. The automatic necking device of the spring rod steel tube assembly according to claim 7, wherein the two sides of the support table (3a) are provided with first sliding grooves (3a2) extending in the horizontal direction, and the two sides of the push block (3b) are provided with protruding strips (3b2) slidably engaged with the first sliding grooves (3a 2).
9. The automatic necking device of the spring rod steel tube assembly according to claim 7, wherein the two sides of the placing groove (3a1) are provided with a protrusion (3a3) extending in the vertical direction, the two sides of the lifting block (3c) are provided with a second sliding groove (3c2) extending in the vertical direction, and the second sliding groove (3c2) is in sliding fit with the protrusion (3a 3).
10. The automatic necking device of the spring rod steel tube assembly according to claim 7, wherein the lifting unit (3) further comprises a fixing strip (3h), a spring (3i) and a fixing lug (3j),
the fixing lugs (3j) are arranged on two sides of the lifting block (3c), and the fixing lugs (3j) are in sliding fit with the placing grooves (3a1) along the horizontal direction;
the fixing strip (3h) is arranged at the top end of the supporting platform (3a), and the fixing strip (3h) is positioned at the top of the fixing lug (3 j);
the fixing lug (3j) is arranged between the fixing strip (3h) and the fixing lug (3j), and the axis of the fixing lug (3j) extends along the vertical direction.
CN202210579546.1A 2022-05-26 2022-05-26 Automatic closing-in device for spring rod steel pipe assembly Active CN114798937B (en)

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CN202210579546.1A CN114798937B (en) 2022-05-26 2022-05-26 Automatic closing-in device for spring rod steel pipe assembly

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Application Number Priority Date Filing Date Title
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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH239059A (en) * 1940-09-19 1945-09-15 Biginelli Oreste Flavio Alfred Process for hollow-swelling a metal tube, and machine for carrying out this process.
FR2190243A5 (en) * 1972-06-22 1974-01-25 Leifeld & Co
JP2001286955A (en) * 2000-04-11 2001-10-16 Sakamoto Industry Co Ltd Method and apparatus for forming tube
CN106001225A (en) * 2016-07-29 2016-10-12 青岛歌尔声学科技有限公司 Spring rod preassembling structure, stamping cutter head and processing jig
CN206474590U (en) * 2016-12-28 2017-09-08 深圳市配天机器人技术有限公司 A kind of multistation tubing necking equipment
WO2018014332A1 (en) * 2016-07-22 2018-01-25 深圳市大富科技股份有限公司 Usb metal pipe processing equipment
CN109465348A (en) * 2018-12-29 2019-03-15 宁波祥润自动化设备有限公司 Cooling tube straight flange reducing device
CN110340238A (en) * 2018-04-03 2019-10-18 苏州德锌达自动化科技有限公司 A kind of safety belt bulb necking machine
CN210816371U (en) * 2019-11-04 2020-06-23 浙江圣雪休闲用品有限公司 Automatic loading and unloading device for pipe shrinking machine
CN111570647A (en) * 2020-05-27 2020-08-25 成都佰缇丽贸易有限公司 Short pipe material necking machine
CN111702065A (en) * 2020-07-11 2020-09-25 彭敬 Pre-pressing necking machine for automobile steering pull rod assembly
CN215544364U (en) * 2021-06-24 2022-01-18 天津市盈隆无缝钢管工贸有限公司 High-stability steel pipe necking machine

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH239059A (en) * 1940-09-19 1945-09-15 Biginelli Oreste Flavio Alfred Process for hollow-swelling a metal tube, and machine for carrying out this process.
FR2190243A5 (en) * 1972-06-22 1974-01-25 Leifeld & Co
JP2001286955A (en) * 2000-04-11 2001-10-16 Sakamoto Industry Co Ltd Method and apparatus for forming tube
WO2018014332A1 (en) * 2016-07-22 2018-01-25 深圳市大富科技股份有限公司 Usb metal pipe processing equipment
CN106001225A (en) * 2016-07-29 2016-10-12 青岛歌尔声学科技有限公司 Spring rod preassembling structure, stamping cutter head and processing jig
CN206474590U (en) * 2016-12-28 2017-09-08 深圳市配天机器人技术有限公司 A kind of multistation tubing necking equipment
CN110340238A (en) * 2018-04-03 2019-10-18 苏州德锌达自动化科技有限公司 A kind of safety belt bulb necking machine
CN109465348A (en) * 2018-12-29 2019-03-15 宁波祥润自动化设备有限公司 Cooling tube straight flange reducing device
CN210816371U (en) * 2019-11-04 2020-06-23 浙江圣雪休闲用品有限公司 Automatic loading and unloading device for pipe shrinking machine
CN111570647A (en) * 2020-05-27 2020-08-25 成都佰缇丽贸易有限公司 Short pipe material necking machine
CN111702065A (en) * 2020-07-11 2020-09-25 彭敬 Pre-pressing necking machine for automobile steering pull rod assembly
CN215544364U (en) * 2021-06-24 2022-01-18 天津市盈隆无缝钢管工贸有限公司 High-stability steel pipe necking machine

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