Multi-vehicle-type tool automatic switching device used for production line

Abstract

The multi-vehicle-type tool automatic switching device comprises a lift car, fixing plates are connected to the outer walls of the bottom sides of the four corners of the lift car in a locked mode through four sets of locking bolts, guide seats are welded to the outer walls of the fixing plates, two sets of guide holes are formed in the centers of the guide seats in a penetrating mode, buffer arms are inserted into the two sets of guide holes, and the buffer arms are connected with the lift car through bolts. A plurality of sets of buffer holes are formed in the two side walls of the buffer arm at equal intervals, and two sets of buffer insertion blocks are symmetrically inserted into the buffer holes. According to the multi-vehicle-type tool automatic switching device used for the production line, in the elevator falling process, preliminary buffering is carried out through the arranged first buffering spring, buffering can be carried out through sliding of the buffering arm in the guide hole, and in the process, the safety of the elevator is greatly improved. The inserting blocks on the two sides of the buffering arm can slide in and out of the buffering holes in the bottom side of the buffering arm one by one till the lift car stops, buffering can be conducted continuously, and the safety of the lift car is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile welding production, and particularly relates to an automatic switching device for multi-model tooling used in a production line. Background Art

[0002] With the development of domestic social economy, people's lives are getting better and better, and people's demands for improving the quality of life are gradually increasing. As a major consumer product, cars are gradually entering the homes of ordinary people, and their replacement speed is getting faster and faster. Due to the large differences in appearance and size of each model, usually one production line can only produce one model, and the production of multiple models requires the layout of multiple production lines, which makes the investment in production equipment huge; how to achieve the automatic switching of tooling for multiple models on the same production line is becoming more and more urgent. Utility Model Content

[0003] The main purpose of the utility model is to provide an automatic switching device for multi-type tooling used in a production line, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An automatic switching device for multi-type tooling used in a production line includes a fixed base, which includes a base, a slide rail, a tank chain, a sensor and a forklift limit tube. The slide rails are symmetrically installed on both sides of the base, the tank chain is connected to one side of one group of slide rails, the slide rails are slidably arranged on a sliding platform, the sensors are installed at both ends of the slide rails, and the forklift limit tubes are symmetrically arranged on both sides of the base.

[0006] Preferably, the sliding platform includes a base, a guide bracket, a position positioning block, an in-position sensor, a locking swing arm, a second driving cylinder, a second limit block and a roller. The guide bracket is fixedly installed on the top surface of the base, the second limit block and the roller are fixedly installed on the separated sides of the two groups of top surfaces of the base, four groups of position positioning blocks are provided, and the four groups of position positioning blocks are fixedly installed on the top surface of the base on the inner side of the guide bracket. The in-position sensor is fixedly installed on one side of the position positioning block on the inner side of the base. The second driving cylinder is installed on the front and rear outer walls of the base through a bracket, and the output end of the second driving cylinder is rotatably connected to the locking swing arm, and the locking swing arm is rotatably arranged on the bracket.

[0007] Preferably, a driving mechanism is fixedly mounted on the fixed base, the driving mechanism comprising a driving cylinder, a cylinder body support and a cylinder rod support, the cylinder body support is mounted on the top surface of the base by bolts, the driving cylinder is mounted on the cylinder body support, and the output end of the driving cylinder is fixedly connected to the bottom surface of the base through the cylinder rod support.

[0008] Preferably, buffering and locking mechanisms are provided on both sides of the top surface of the base, and the buffering and locking mechanisms include a support, a buffer, a locking swing arm 2, a driving cylinder 3, a limit block and a driving cylinder bracket. The support is installed on the top surface of the base by bolts, and the driving cylinder bracket is fixedly installed on one side wall of the support. The driving cylinder 3 is installed on the driving cylinder bracket, and the output end of the driving cylinder 3 is rotatably connected to one end of the locking swing arm 2. The locking swing arm 2 is rotatably set on the driving cylinder bracket, and the buffer and the limit block are respectively fixedly installed on the outer walls on both sides of the support.

[0009] Preferably, a vehicle body tooling is provided on the top surface of the sliding platform, and a guide groove and a locking groove are provided on the bottom of the vehicle body tooling.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the operation contents of multiple vehicle models can be completed at one workstation, the number of welding robots and welding guns can be reduced, thereby reducing the equipment investment cost;

[0011] The long-stroke cylinder can be moved forward and backward to realize the automatic switching of multiple vehicle types, ensuring the continuity of the production line.

[0012] The modular structure enables rapid mass production and assembly, facilitating timely promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a multi-vehicle tooling automatic switching device used in a production line of the utility model;

[0014] Figure 2 This is a schematic diagram of a fixed base of a multi-model tooling automation switching device used in a production line of the utility model;

[0015] Figure 3 It is a schematic diagram of a driving mechanism of a multi-vehicle tooling automatic switching device used in a production line of the utility model;

[0016] Figure 4 It is a schematic diagram of a buffer and locking mechanism of a multi-vehicle tooling automation switching device used in a production line of the utility model;

[0017] Figure 5 A schematic diagram of a sliding platform of a multi-vehicle tooling automation switching device used in a production line of the utility model;

[0018] Figure 6 It is a schematic diagram of vehicle type tooling of a multi-vehicle type tooling automatic switching device used in a production line of the utility model.

[0019] In the figure: 100, fixed base; 101, base; 102, slide rail; 103, tank chain; 104, sensor; 105, forklift limit tube; 200, driving mechanism; 201, driving cylinder; 202, cylinder body support; 203, cylinder rod support; 300, buffer and locking mechanism; 301, support; 302, buffer; 303, locking swing arm 2; 304, driving cylinder 3; 305, limit block; 306, driving cylinder bracket; 400, sliding platform; 401, base; 402, guide bracket; 403, position positioning block; 404, in-place sensor; 405, locking swing arm; 406, driving cylinder 2; 407, limit block 2; 408, roller; 501, guide groove; 502, locking groove. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-6 As shown, an automatic switching device for multi-vehicle tooling used in a production line includes a fixed base 100, which includes a base 101, a slide rail 102, a tank chain 103, a sensor 104 and a forklift limit tube 105. The slide rails 102 are symmetrically installed on both sides of the base 101, the tank chain 103 is connected to one side of one group of slide rails 102, the slide rails 102 are slidably arranged on a sliding platform 400, the sensors 104 are installed at both ends of the slide rails 102, and the forklift limit tubes 105 are symmetrically arranged on both sides of the base 101. The arranged base 101 and slide rails 102 are used to support the movement position adjustment of the vehicle tooling.

[0022] In this embodiment, the sliding platform 400 includes a base 401, a guide bracket 402, a position positioning block 403, an in-position sensor 404, a locking swing arm 405, a driving cylinder 406, a limit block 407 and a roller 408. The guide bracket 402 is fixedly installed on the top surface of the base 401, the limit block 407 and the roller 408 are fixedly installed on the separated sides of the two groups of top surfaces of the base 401, and four groups of position positioning blocks 403 are arranged. The four groups of position positioning blocks 403 are fixedly installed on the top surface of the base 401 on the inner side of the guide bracket 402, the in-position sensor 404 is fixedly installed on one side of the position positioning block 403 on the inner side of the base 401, the driving cylinder 406 is installed on the outer walls of the front and rear sides of the base 401 through the bracket, the output end of the driving cylinder 406 is rotatably connected to the locking swing arm 405, and the locking swing arm 405 is rotatably arranged on the bracket.

[0023] Specifically, before the production line is put into operation, a worker operates a forklift to insert the forklift guide groove 501 at the bottom of the vehicle model tooling, and places the vehicle model tooling A and B to be produced into the sliding platform 400. The guide bracket 402 installed on the sliding platform 400 can assist the forklift to place the vehicle model tooling more smoothly. The sliding platform 400 is also equipped with a V-shaped positioning block 403, which realizes precise positioning of the vehicle model tooling through limiting in two directions. When the in-position sensor 404 senses that the vehicle model tooling is in place, the driving cylinder 406 is extended to drive the locking swing arm 405 to rotate into the locking groove 502 of the vehicle model tooling to achieve locking of the vehicle model tooling.

[0024] In this embodiment, a driving mechanism 200 is fixedly installed on the fixed base 100, and the driving mechanism 200 includes a driving cylinder 201, a cylinder body support 202 and a cylinder rod support 203. The cylinder body support 202 is installed on the top surface of the base 101 by bolts, and the driving cylinder 201 is installed on the cylinder body support 202, and the output end of the driving cylinder 201 is fixedly connected to the bottom surface of the base 401 through the cylinder rod support 203.

[0025] Specifically, when model A is produced, the long-stroke cylinder 201 of the drive mechanism 200 is in an extended state, and the buffer and locking mechanism 300 next to the model B is locked, so that the model A tooling is located in the middle production position, and model A is produced; when it is necessary to switch to model B production, the buffer and locking mechanism 300 next to the model B is unlocked, and the long-stroke drive cylinder 201 of the drive mechanism 200 is retracted, driving the sliding platform 400 to retreat, and after it is in place, the sensor 104 generates a signal, and the buffer and locking mechanism 300 next to the model A is locked, so that the model B tooling is located in the middle production position, and model B is produced; thereby, the complete process of automated switching of vehicle model tooling is realized.

[0026] In this embodiment, buffering and locking mechanisms 300 are provided on both sides of the top surface of the base 101. The buffering and locking mechanisms 300 include a support 301, a buffer 302, a locking swing arm 2 303, a driving cylinder 304, a limit block 305 and a driving cylinder bracket 306. The support 301 is installed on the top surface of the base 101 by bolts, the driving cylinder bracket 306 is fixedly installed on a side wall of the support 301, the driving cylinder 304 is installed on the driving cylinder bracket 306, and the output end of the driving cylinder 304 is rotatably connected to one end of the locking swing arm 2 303, the locking swing arm 2 303 is rotatably set on the driving cylinder bracket 306, and the buffer 302 and the limit block 305 are respectively fixedly installed on the outer walls on both sides of the support 301.

[0027] Specifically, the driving cylinder 304 can extend and retract, driving the locking arm 2 303 to rotate to achieve locking and unlocking.

[0028] In this embodiment, a vehicle body tooling is disposed on the top surface of the sliding platform 400 , and a guide groove 501 and a locking groove 502 are disposed on the bottom of the vehicle body tooling.

[0029] Specifically, the guide groove 501 and the locking groove 502 are provided to facilitate the movement of the vehicle body tooling.

[0030] It should be noted that the utility model is an automatic switching device for multiple vehicle type tooling used in a production line. Before the production line is in operation, a worker operates a forklift to insert the forklift guide groove 501 at the bottom of the vehicle type tooling, and puts the vehicle type tooling A and B to be produced into the sliding platform 400. The guide bracket 402 installed on the sliding platform 400 can assist the forklift to put the vehicle type tooling more smoothly. The sliding platform 400 is also equipped with a V-shaped positioning block 403, which realizes the precise positioning of the vehicle type tooling through the limit in two directions. When the in-place sensor 404 senses that the vehicle type tooling is in place, the driving cylinder 406 extends out, driving the locking swing arm 405 to rotate into the locking groove 502 of the vehicle type tooling, so as to realize Now let's talk about the locking of the vehicle model tooling. When vehicle model A is produced, the long-stroke driving cylinder 201 of the driving mechanism 200 is in an extended state, and the buffer and locking mechanism 300 next to vehicle model B is locked, so that the tooling of vehicle model A is located in the middle production position, and vehicle model A is produced; when it is necessary to switch to the production of vehicle model B, the buffer and locking mechanism 300 next to vehicle model B is unlocked, and the long-stroke driving cylinder 201 of the driving mechanism 200 is retracted, driving the sliding platform 400 to retreat, and after it is in place, the sensor 104 generates a signal, and the buffer and locking mechanism 300 next to vehicle model A is locked, so that the tooling of vehicle model B is located in the middle production position, and vehicle model B is produced; thereby, the complete process of automated switching of vehicle model tooling is realized.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic switching device for multi-model tooling used in a production line, comprising a fixed base (100), characterized in that: The fixed base (100) comprises a base (101), a slide rail (102), a tank chain (103), a sensor (104) and a forklift limit tube (105); the slide rail (102) is symmetrically installed on both sides of the base (101); the tank chain (103) is connected to one side of one set of the slide rails (102); the slide rail (102) is slidably arranged on a sliding platform (400); the sensor (104) is installed at both ends of the slide rail (102); and the forklift limit tube (105) is symmetrically arranged on both sides of the base (101).

2. The multi-model tooling automatic switching device used in a production line according to claim 1 is characterized in that: The sliding platform (400) comprises a base (401), a guide bracket (402), a position positioning block (403), an in-position sensor (404), a locking rotary arm (405), a second driving cylinder (406), a second limit block (407) and a roller (408), wherein the guide bracket (402) is fixedly mounted on the top surface of the base (401), the second limit block (407) and the roller (408) are fixedly mounted on two groups of mutually separated sides of the top surface of the base (401), and the position positioning block (403) is provided with Four groups, the four groups of position positioning blocks (403) are fixedly mounted on the top surface of the base (401) inside the guide bracket (402), the in-position sensor (404) is fixedly mounted on one side of the position positioning block (403) inside the base (401), the driving cylinder 2 (406) is mounted on the outer walls of the front and rear sides of the base (401) through the bracket, the output end of the driving cylinder 2 (406) is rotatably connected to the locking rotary arm (405), and the locking rotary arm (405) is rotatably arranged on the bracket.

3. The multi-model tooling automatic switching device used in a production line according to claim 1 is characterized in that: A driving mechanism (200) is fixedly mounted on the fixed base (100), the driving mechanism (200) comprising a driving cylinder (201), a cylinder body support (202) and a cylinder rod support (203), the cylinder body support (202) being mounted on the top surface of the base (101) by means of bolts, the driving cylinder (201) being mounted on the cylinder body support (202), and the output end of the driving cylinder (201) being fixedly connected to the bottom surface of the base (401) via the cylinder rod support (203).

4. The multi-model tooling automatic switching device used in a production line according to claim 1 is characterized in that: Buffering and locking mechanisms (300) are provided on both sides of the top surface of the base (101). The buffering and locking mechanisms (300) comprise a support (301), a buffer (302), a locking rotary arm 2 (303), a driving cylinder 3 (304), a limit block (305) and a driving cylinder bracket (306). The support (301) is mounted on the top surface of the base (101) by bolts. The driving cylinder bracket (306) is fixedly mounted on a side wall of the support (301). The driving cylinder 3 (304) is mounted on the driving cylinder bracket (306), and the output end of the driving cylinder 3 (304) is rotatably connected to one end of the locking rotary arm 2 (303). The locking rotary arm 2 (303) is rotatably mounted on the driving cylinder bracket (306). The buffer (302) and the limit block (305) are respectively fixedly mounted on the outer walls of both sides of the support (301).

5. The multi-model tooling automatic switching device used in a production line according to claim 2 is characterized in that: The top surface of the sliding platform (400) is provided with a vehicle body tooling, and the bottom of the vehicle body tooling is provided with a guide groove (501) and a locking groove (502).

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