Quick-change butt joint device for feeding cross rod of multi-station press line

Abstract

A quick-change butt joint device for a feeding cross rod of a multi-station stamping line belongs to the technical field of stamping machine tools and comprises a three-coordinate cross rod feeding shaft, a quick-change butt joint device male disc end is arranged at the end of the three-coordinate cross rod feeding shaft, a press machine moving workbench moving along the X axis or the Y axis is arranged on one side of the three-coordinate cross rod feeding shaft, and a quick-change butt joint device male disc end is arranged on the other side of the three-coordinate cross rod feeding shaft. A cross rod replacement support is installed on the press machine moving workbench, a three-coordinate cross rod is assembled on the cross rod replacement support and driven by the cross rod replacement support to move in the Z-axis direction, and a quick-change butt-joint device female disc end capable of being locked with the quick-change butt-joint device male disc end in a matched mode is arranged at the end of the three-coordinate cross rod. The structure is simple, the interchangeability is high, the rigidity of the whole machine is high, stable carrying of the three-coordinate / three-dimensional cross rod of the multi-station stamping line is achieved, the rapid ATC function of the three-coordinate / three-dimensional cross rod is achieved, high-speed production of the whole stamping line is achieved, the reliability of equipment is improved, and the maintenance cost of the equipment is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of stamping machines, and particularly relates to a quick-change docking device for a feeding crossbar of a multi-station stamping line. Background Art

[0002] A stamping production line is an automated production equipment for manufacturing metal parts. It mainly consists of a series of stamping equipment and automated equipment to form a production line, which can use specific molds to cause plastic deformation, trimming, punching and other technological processes on metal sheets to finally form the required parts.

[0003] Thanks to the rapid development of multi-station stamping production line control technology and die design technology, multi-station stamping lines have the advantages of fast stamping speed, low equipment investment, and small floor area, and are increasingly favored by automobile OEMs, first-level and second-level suppliers. Currently, for large stamping production lines, the whole-line ATC (Automatic Tooling Change, the ATC function of the machine tool is the automatic tool change function) technology has been widely applied. However, in the field of multi-station stamping production lines, due to the compactness of its structure, it is difficult to automatically replace the crossbar; due to the compactness of the overall layout, the crossbar is arranged on both sides of the workbench, which requires high requirements for the die placement space and the working intensity of the press, and strict requirements for die design, processing, and hoisting. During the ATC process, the operation sequence has strict requirements and requires manual assistance, which poses certain safety hazards to the production line operators and further restricts the automation upgrade of related products.

[0004] For multi-coordinate handling devices, there is currently no quick-change docking device that supports ATC, which severely restricts the automation level of the production line. Therefore, a crossbar quick-change docking device is needed that can reduce the labor intensity of production line operators and improve the safety and reliability of the equipment. Summary of the Invention

[0005] To solve the problems of cumbersome operation and the safety of die hoisting during the ATC process of multi-coordinate handling devices, the present invention provides a quick-change docking device for a feeding crossbar of a multi-station stamping line.

[0006] The present invention is achieved by the following technical solutions: A quick-change docking device for a feeding crossbar of a multi-station stamping line, comprising a three-coordinate crossbar feeding shaft. A male end of the quick-change docking device is provided at the end of the three-coordinate crossbar feeding shaft. A moving worktable of a press that moves along the X-axis or Y-axis is provided on one side of the three-coordinate crossbar feeding shaft. A crossbar replacement bracket is installed on the moving worktable of the press. A three-coordinate crossbar is assembled on the crossbar replacement bracket. The three-coordinate crossbar is driven by the crossbar replacement bracket to move in the Z-axis direction. A female end of the quick-change docking device that can cooperate and lock with the male end of the quick-change docking device is provided at the end of the three-coordinate crossbar. The male end of the quick-change docking device includes a quick-change male disk mounting block connected to the three-coordinate crossbar feeding shaft through a telescopic cylinder. A male-side docking protruding block is provided on the joint surface of the quick-change male disk mounting block. A sliding pin that penetrates the quick-change male disk mounting block and is driven to expand and contract by the telescopic cylinder is provided above the male-side docking protruding block. The female end of the quick-change docking device includes a quick-change female disk mounting block. A female-side docking protruding block that can cooperate with the male-side docking protruding block is provided on the joint surface of the quick-change female disk mounting block. A female-side fixing pin that can cooperate with the outward-extending sliding pin is provided in the quick-change female disk mounting block.

[0007] This structure is simple, has strong interchangeability, high overall machine stiffness, realizes the stable handling of the three-coordinate / three-dimensional crossbar of the multi-station stamping line, meets the fast ATC function of the three-coordinate / three-dimensional crossbar, realizes the high-speed production of the entire stamping production line, improves the reliability of the equipment, and reduces the maintenance cost of the equipment.

[0008] A further improvement of the present invention is that the joint surfaces of the quick-change male disk mounting block and the quick-change female disk mounting block are inclined surfaces that can fit and cooperate.

[0009] A further improvement of the present invention is that a male-side docking concave groove that can adapt to the female-side docking protruding block is reserved between the upper part of the male-side docking protruding block and the quick-change male disk mounting block; a female-side docking concave groove that can adapt to the male-side docking protruding block is reserved between the lower part of the female-side docking protruding block and the quick-change female disk mounting block.

[0010] A further improvement of the present invention is that the joint surfaces of the sliding pin and the female-side fixing pin are inclined surfaces that can fit and cooperate.

[0011] A further improvement of the present invention is that a male-side positioning surface is recessed at one corner of the joint surface of the quick-change male disk mounting block above the male-side docking protruding block, and a female-side positioning block that can be adapted to the male-side positioning surface is provided at one corner of the joint surface of the quick-change female disk mounting block.

[0012] A further improvement of the present invention is that a male-side guiding surface that is inclined and can be adapted to and fit the side surface of the female-side positioning block is provided between the male-side positioning surface and the joint surface of the quick-change male disk mounting block.

[0013] A further improvement of the present invention is that a master disk side positioning surface is recessed at one corner of the mating surface of the quick-change master disk mounting block below the mating protrusion on the master disk side, and a male disk side positioning block adapted to the master disk side positioning surface is provided at one corner of the mating surface of the quick-change male disk mounting block.

[0014] A further improvement of the present invention is that a master disk side guiding surface which is inclined and can be adapted to and fit the side surface of the male disk side positioning block is provided between the master disk side positioning surface and the mating surface of the quick-change master disk mounting block.

[0015] A further improvement of the present invention is that the crossbar replacement bracket includes a replacement bracket sliding guiding device installed on the moving workbench of the press, a replacement bracket sliding component is slidably provided on the replacement bracket sliding guiding device, and a replacement bracket guiding and positioning pin connected to the three-coordinate crossbar is provided on the replacement bracket sliding component.

[0016] A further improvement of the present invention is that a crossbar in-place detection switch for sensing the in-place of the three-coordinate crossbar is provided on one side of the replacement bracket sliding component.

[0017] As can be seen from the above technical solutions, the beneficial effects of the present invention are as follows: The structure is simple, the interchangeability is strong, the overall machine stiffness is high, the stable handling of the three-coordinate / three-dimensional crossbar of the multi-station stamping line is realized, and the rapid ATC function of the three-coordinate / three-dimensional crossbar is satisfied, the high-speed production of the whole stamping production line is realized, the reliability of the equipment is improved, and the maintenance cost of the equipment is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present invention, the drawings required for description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is the front view of the quick-change docking device described in the present invention.

[0020] Figure 2 It is the 45° view of the quick-change docking device described in the present invention.

[0021] Figure 3 It is the 135° view of the quick-change docking device described in the present invention.

[0022] Figure 4 It is the view of the quick-change docking device described in the present invention when the docking is completed.

[0023] Figure 5 It is the view of the internal locking pin of the quick-change docking device described in the present invention disengaged.

[0024] Figure 6 This is the view of the male and female discs of the quick-change docking device of the present invention disengaging.

[0025] Figure 7 This is the view of the male and female discs of the quick-change docking device of the present invention being completely disengaged.

[0026] Figure 8 This is the layout view of the detection switches for the detection cylinder on the male disc of the quick-change docking device of the present invention extending / retracting to the in-place position.

[0027] Figure 9 This is the 45° view of the crossbar support device of the quick-change docking device of the present invention.

[0028] Figure 10 This is the front view of the crossbar support of the quick-change docking device of the present invention.

[0029] Figure 11 This is the working schematic diagram of the quick-change docking device of the present invention.

[0030] In the drawings: 100, three-coordinate crossbar feeding shaft; 200, male disc end of the quick-change docking device; 300, female disc end of the quick-change docking device; 400, crossbar replacement bracket; 500, three-coordinate crossbar; 600, moving workbench of the press; 201, quick-change male disc mounting block; 202, telescopic cylinder; 203, rear extension rod of the telescopic cylinder; 204, male disc side positioning block; 205, male disc side docking projection; 206, male disc side guiding surface; 207, male disc side positioning surface; 208, front extension rod of the telescopic cylinder; 209, sliding pin; 211, male disc side extension in-place detection switch; 212, male disc side retraction in-place detection switch; 213, male disc side docking concave groove; 301, quick-change female disc mounting block; 302, female disc side positioning block; 303, female disc side fixing pin; 304, female disc side docking projection; 305, female disc side positioning surface; 306, female disc side guiding surface; 307, female disc side fixing pin positioning block; 308, female disc side docking concave groove; 401, replacement bracket guiding and positioning pin; 402, crossbar in-place detection switch; 403, replacement bracket sliding component; 404, replacement bracket sliding guiding device; 405, crossbar replacement bracket extension in-place detection switch; 406, crossbar bracket retraction in-place detection switch; 407, crossbar bracket telescopic driving cylinder; 408, pneumatic spring limit for the crossbar bracket to extend and retract in place. Detailed implementation manners

[0031] In order to make the objectives, features, and advantages of the present invention more obvious and understandable, the following will clearly and completely describe the technical solutions in the present invention in conjunction with the accompanying drawings in the specific embodiments. Obviously, the embodiments described below are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in this patent, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this patent.

[0032] As Figures 1 - 11 shown, the present invention discloses a quick-change docking device for a feeding crossbar of a multi-station stamping line, including a three-coordinate crossbar feeding shaft 100. A quick-change docking device male disk end 200 is provided at the end of the three-coordinate crossbar feeding shaft 100. A press moving workbench 600 that moves along the X-axis or Y-axis is provided on one side of the three-coordinate crossbar feeding shaft 100. A crossbar replacement bracket 400 is installed on the press moving workbench 600. A three-coordinate crossbar 500 is assembled on the crossbar replacement bracket 400. The three-coordinate crossbar 500 is driven by the crossbar replacement bracket 400 to move in the Z-axis direction. A quick-change docking device female disk end 300 that can cooperate and lock with the quick-change docking device male disk end 200 is provided at the end of the three-coordinate crossbar 500; the joint surface of the sliding pin 209 and the female disk side fixed pin 303 is an inclined surface that can fit and cooperate.

[0033] The female disk side fixed pin 303 is installed in the quick-change female disk mounting block 301 through the female disk side fixed pin positioning block 307.

[0034] The quick-change docking device male disk end 200 includes a quick-change male disk mounting block 201 connected to the three-coordinate crossbar feeding shaft 100 through a telescopic cylinder 202. A male disk side docking protrusion 205 is provided on the joint surface of the quick-change male disk mounting block 201. The quick-change docking device female disk end 300 includes a quick-change female disk mounting block 301. A female disk side docking protrusion 304 that can cooperate with the male disk side docking protrusion 205 is provided on the joint surface of the quick-change female disk mounting block 301.

[0035] One end of the telescopic cylinder 202 close to the three-coordinate crossbar feeding shaft 100 is provided with a telescopic cylinder rear extension rod 203, and one end of it close to the quick-change male disk mounting block 201 is provided with a telescopic cylinder front extension rod 208. The telescopic cylinder front extension rod 208 is connected to the sliding pin 209, and the telescopic cylinder front extension rod 208 and the telescopic cylinder rear extension rod 203 are connected as a whole. That is to say, the telescopic cylinder 202 is a double-acting shaft cylinder.

[0036] A male disk side extension in-place detection switch 211 and a male disk side retraction in-place detection switch 212 for detecting the position of the telescopic cylinder rear extension rod 203 are provided on the three-coordinate crossbar feeding shaft 100 to judge whether the sliding pin 209 is outside the quick-change male disk mounting block 201.

[0037] An upper part between the male disk side docking projection block 205 and the quick-change male disk mounting block 201 is provided with a male disk side docking concave groove 213 adaptable to the female disk side docking projection block 304; a lower part between the female disk side docking projection block 304 and the quick-change female disk mounting block 301 is provided with a female disk side docking concave groove 308 adaptable to the male disk side docking projection block 205.

[0038] Above the male disk side docking projection block 205, there is a sliding pin 209 passing through the quick-change male disk mounting block 201 and driven to expand and contract by a telescopic cylinder 202; inside the quick-change female disk mounting block 301, there is a female disk side fixed pin 303 that can cooperate with the outward-extending sliding pin 209.

[0039] One corner of the joint surface of the quick-change male disk mounting block 201 above the male disk side docking projection block 205 is recessed with a male disk side positioning surface 207, and one corner of the joint surface of the quick-change female disk mounting block 301 is provided with a female disk side positioning block 302 that can be adapted to the male disk side positioning surface 207.

[0040] Between the male disk side positioning surface 207 and the joint surface of the quick-change male disk mounting block 201, there is an inclined male disk side guiding surface 206 that can be adapted to and fit with the side surface of the female disk side positioning block 302.

[0041] One corner of the joint surface of the quick-change female disk mounting block 301 below the female disk side docking projection block 304 is recessed with a female disk side positioning surface 305, and one corner of the joint surface of the quick-change male disk mounting block 201 is provided with a male disk side positioning block 204 that can be adapted to the female disk side positioning surface 305.

[0042] Between the female disk side positioning surface 305 and the joint surface of the quick-change female disk mounting block 301, there is an inclined female disk side guiding surface 306 that can be adapted to and fit with the side surface of the male disk side positioning block 204.

[0043] The crossbar replacement bracket 400 includes a replacement bracket sliding guiding device 404 installed on the moving workbench 600 of the press, a replacement bracket sliding member 403 slidably arranged on the replacement bracket sliding guiding device 404, and a replacement bracket guiding and positioning pin 401 connected to the three-coordinate crossbar 500 on the replacement bracket sliding member 403.

[0044] On one side of the replacement bracket sliding member 403, there is a crossbar in-place detection switch 402 for detecting the in-place of the three-coordinate crossbar 500.

[0045] On one side of the replacement bracket sliding guide device 404, there are a crossbar replacement bracket extended position detection switch 405 and a crossbar bracket retracted position detection switch 406 for detecting whether the replacement bracket sliding component 403 is in place. After the coordinate measuring machine crossbar 500 is transported to the operation area of the crossbar replacement bracket 400, the crossbar replacement bracket extended position detection switch 405 detects whether the replacement bracket sliding component 403 corresponds to the coordinate measuring machine crossbar 500 vertically and horizontally.

[0046] The replacement bracket sliding guide device 404 further includes a crossbar bracket telescopic driving cylinder 407 at one end of the replacement bracket sliding guide device 404 to drive the movement of the replacement bracket sliding component 403, and a pneumatic spring limit 408 for damping the replacement bracket sliding component 403 in place at the other end. It can achieve the damping effect when the replacement bracket bearing component extends in place, avoiding vibration caused by the large thrust of the cylinder, which may affect the replacement efficiency due to hard limit installation after the replacement bracket bearing component reaches the position.

[0047] In summary, the usage method of this device is as follows: One: The replacement bracket sliding component 403 sends the replacement bracket guiding positioning pin 401 to the ATC position, that is, the extended in-place position, through the crossbar bracket telescopic driving cylinder 407. Two: The feeding crossbar places the coordinate measuring machine crossbar 500 on the replacement bracket sliding component 403 through the drive of the multi-station stamping line coordinate measuring machine / coordinate measuring instrument feeding hand. Three: Using the drive of the multi-station stamping line coordinate measuring machine / coordinate measuring instrument feeding hand and the action of the telescopic cylinder 202, the male end 200 of the quick-change docking device and the female end 300 of the quick-change docking device are separated. Four: The replacement bracket sliding component 403 sends the replacement bracket guiding positioning pin 401 and the coordinate measuring machine crossbar 500 to the lifting station, that is, the retracted in-place position, through the crossbar bracket telescopic driving cylinder 407. Five: The moving workbench 600 of the press carries the coordinate measuring machine crossbar 500 and drives out of the die area, and another moving workbench 600 of the press drives into the die area. Six: After the moving workbench 600 of the press reaches a specific position, the crossbar bracket telescopic driving cylinder 407 moves the replacement bracket sliding component 403 from the retracted in-place position to the extended in-place position. Using the drive of the multi-station stamping line coordinate measuring machine / coordinate measuring instrument feeding hand, the male end 200 of the quick-change docking device and the female end 300 of the quick-change docking device are completed for docking, and the coordinate measuring machine crossbar 500 is taken away. Seven: The replacement bracket sliding component 403 retracts the replacement bracket sliding component 403 to the retracted in-place position through the crossbar bracket telescopic driving cylinder 407 to complete the crossbar ATC action.

[0048] A quick-change docking device for a feeding crossbar of a multi-station stamping line according to the present invention has a simple structure, strong interchangeability, high overall rigidity, can achieve stable handling of the three-coordinate / three-dimensional crossbar of the multi-station stamping line, meet the fast ATC function of the three-coordinate / three-dimensional crossbar, realize high-speed production of the entire stamping production line, improve the reliability of the equipment, and reduce the maintenance cost of the equipment.

[0049] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A quick-change docking device for a feeding crossbar of a multi-station stamping line, comprising a three-coordinate crossbar feeding shaft (100), characterized in that, A quick-change docking device male disk end (200) is provided at the end of the three-coordinate crossbar feeding shaft (100). A press moving workbench (600) that moves along the X-axis or Y-axis is provided on one side of the three-coordinate crossbar feeding shaft (100). A crossbar replacement bracket (400) is installed on the press moving workbench (600). A three-coordinate crossbar (500) is assembled on the crossbar replacement bracket (400). The three-coordinate crossbar (500) is driven by the crossbar replacement bracket (400) to move in the Z-axis direction. A quick-change docking device female disk end (300) that can cooperate and lock with the quick-change docking device male disk end (200) is provided at the end of the three-coordinate crossbar (500). The quick-change docking device male disk end (200) includes a quick-change male disk mounting block (201) connected to the three-coordinate crossbar feeding shaft (100) through a telescopic cylinder (202). A male disk side docking protrusion block (205) is provided on the mating surface of the quick-change male disk mounting block (201). Above the male disk side docking protrusion block (205), a sliding pin (209) that penetrates the quick-change male disk mounting block (201) and is driven to expand and contract by the telescopic cylinder (202) is provided. The quick-change docking device female disk end (300) includes a quick-change female disk mounting block (301). A female disk side docking protrusion block (304) that can cooperate with the male disk side docking protrusion block (205) is provided on the mating surface of the quick-change female disk mounting block (301). A female disk side fixing pin (303) that can cooperate with the outward-extending sliding pin (209) is provided inside the quick-change female disk mounting block (301).

2. The quick-change docking device for the feeding crossbar of a multi-station stamping line according to claim 1, characterized in that, The mating surfaces of the quick-change male disk mounting block (201) and the quick-change female disk mounting block (301) are inclined surfaces that can fit together.

3. The quick-change docking device for the feeding crossbar of a multi-station stamping line according to claim 2, wherein, A male disk side docking concave slot (213) that can adapt to the female disk side docking protrusion block (304) is reserved between the upper part of the male disk side docking protrusion block (205) and the quick-change male disk mounting block (201). A female disk side docking concave slot (308) that can adapt to the male disk side docking protrusion block (205) is reserved between the lower part of the female disk side docking protrusion block (304) and the quick-change female disk mounting block (301).

4. The quick-change docking device for the feeding cross bar of a multi-station stamping line according to claim 3, characterized in that, The mating surfaces of the sliding pin (209) and the female disk side fixing pin (303) are inclined surfaces that can fit together.

5. The quick-change docking device for the feeding cross bar of a multi-station stamping line according to claim 2, characterized in that, One corner of the mating surface of the quick-change male disk mounting block (201) above the male disk side docking protrusion block (205) is recessed with a male disk side positioning surface (207). One corner of the mating surface of the quick-change female disk mounting block (301) is provided with a female disk side positioning block (302) that can be adapted to the male disk side positioning surface (207).

6. The quick-change docking device for a feeding cross bar of a multi-station stamping line according to claim 5, characterized in that, An inclined male disk side guiding surface (206) that can be adapted and fitted to the side surface of the female disk side positioning block (302) is provided between the male disk side positioning surface (207) and the mating surface of the quick-change male disk mounting block (201).

7. The quick-change docking device for a feeding crossbar of a multi-station stamping line according to claim 5, characterized in that, One corner of the mating surface of the quick-change female disk mounting block (301) below the female disk side docking protrusion block (304) is recessed with a female disk side positioning surface (305). One corner of the mating surface of the quick-change male disk mounting block (201) is provided with a male disk side positioning block (204) that can be adapted to the female disk side positioning surface (305).

8. The quick-change docking device for the feeding cross bar of a multi-station stamping line according to claim 7, characterized in that, An inclined master disk side guiding surface (306) that can be adaptively fitted to the side surface of the male disk side positioning block (204) is provided between the joint surface of the master disk side positioning surface (305) and the quick-change master disk mounting block (301).

9. The quick-change docking device for a feeding crossbar of a multi-station stamping line according to claim 8, characterized in that, The crossbar replacement bracket (400) includes a replacement bracket sliding guiding device (404) installed on the moving workbench (600) of the press. A replacement bracket sliding member (403) is slidably arranged on the replacement bracket sliding guiding device (404). A replacement bracket guiding positioning pin (401) connected to the three-coordinate crossbar (500) is provided on the replacement bracket sliding member (403).

10. A quick-change docking device for a feeding cross bar of a multi-station stamping line according to claim 9, characterized in that, A crossbar in-place detection switch (402) for sensing the in-place of the three-coordinate crossbar (500) is provided on one side of the replacement bracket sliding member (403).

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