Multi-vehicle-type Z-direction positioning mechanism

Through the floating compression positioning assembly and multi-axle robot drive of the Z-direction positioning mechanism of multiple models, the handling and indentation problems caused by the differences in the specifications of accessories of different models are solved, automatic handling and flexible adaptation are realized, and the cost of introducing new models is reduced. Improves operational ease and device flexibility.

CN222135012UActive Publication Date: 2024-12-10CHINA NAT ELECTRIC APP RES INST
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Patent Information

Application Number
CN202420808050.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-18
Publication Date
2024-12-10
Estimated Expiration
2034-04-18

AI Technical Summary

Technical Problem

In automobile processing, the differences in the specifications of accessories of different models lead to indentation of contact points during handling. The existing technology solves the model adaptation problem through switching grippers, but the cost increases a lot and is inconvenient to operate.

Method used

Design a multi-model Z-direction positioning mechanism, including a driving mechanism and a handling mechanism, and use a floating compression positioning assembly to realize the positioning and compression of automobile components through telescopic cylinders and guide shaft columns. The support block can adjust the clamping process to accommodate different Specifications, combining multi-axis robot and drive cylinder block to achieve automated handling.

Benefits of technology

It realizes flexible adaptation of accessories for multiple models, reduces the cost of introducing new models, improves operational convenience and device flexibility, avoids damage to accessories, and significantly improves handling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile machining, and discloses a multi-vehicle-type Z-direction positioning mechanism which comprises a driving mechanism and a carrying mechanism, the driving mechanism is used for moving and driving the carrying mechanism, and the carrying mechanism is used for carrying and positioning automobile parts. The supporting block arranged on the upper portion of the telescopic air cylinder is used for carrying out floating supporting and positioning on the automobile part in the Z-axis direction, overturning supporting of the carrying grabbing arm is matched with pushing and pressing of the telescopic air cylinder on the supporting block, carrying and fixing of the automobile part are achieved, and when a new automobile model is guided in, only the supporting block needs to be replaced, and multiple automobile models can be compatible; the supporting block is arranged in a stroke-adjustable structure, the adjusting nut is arranged at the joint of the supporting block mounting seat, the clamping stroke of the supporting block can be controlled and adjusted by fastening and adjusting the adjusting nut, and the clamping stroke of the supporting block can be flexibly adjusted according to the specification of a component; the clamping precision of the supporting block is guaranteed, and automobile parts are prevented from being damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile processing, in particular to a Z-direction positioning mechanism for multiple vehicle models. Background Art

[0002] In order to reduce the labor intensity of employees and improve work efficiency in the processing of automobile parts, corresponding robotic arms are designed to cooperate with the work. However, in specific operations, components corresponding to the accessories must also be set up. For example, welding components are installed at the end of the robotic arm during welding. When welding or processing car doors, it is necessary to use grippers that cooperate with the robotic arm to transfer or load and unload the car doors, etc., to reduce manual operations.

[0003] Due to the wide variety of accessories in automobile processing and the differences in the specifications of accessories for different models, when transporting accessories of different models, the grippers need to be compatible with the specifications and shapes of the model accessories, otherwise there will be indentations on the contact points during the transportation process. The existing technology mostly solves the model adaptation problem by switching grippers, but when switching grippers, it is necessary to add equipment such as gripper placement racks and robot quick-change plates, which increases the cost when the model is introduced later. Utility Model Content

[0004] The utility model aims to provide a Z-direction positioning mechanism for multiple vehicle types to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-vehicle Z-direction positioning mechanism, comprising a driving mechanism and a transporting mechanism, wherein the driving mechanism is used for moving and driving the transporting mechanism, and the driving mechanism comprises a mounting base and a multi-axis robot;

[0006] The transport mechanism is used for transporting and positioning automobile parts. The transport mechanism includes a transport frame, a driving cylinder, a transport grabbing arm and a positioning assembly. The transport grabbing arm is turned over and installed on the side of the transport frame under the drive of the driving cylinder.

[0007] The positioning assembly is used for positioning and pressing automobile parts. The positioning assembly includes a telescopic cylinder, a guide shaft column, a bracket mounting seat, a supporting bracket and an adjusting nut. The supporting bracket is installed on the push rod end of the telescopic cylinder through the bracket mounting seat, and the adjusting nut is arranged at the installation position of the supporting bracket.

[0008] Preferably, the mounting base is mounted on the upper part of the ground by means of a bolt structure, and the multi-axis robot is rotatably mounted on the upper part of the mounting base.

[0009] Preferably, the transport frame is mounted on the driving end of the multi-axis robot by bolts, and two groups of transport grab arms are provided. The two groups of transport grab arms are flipped and mounted on both sides of the transport frame through shaft seats.

[0010] Preferably, the number of the driving cylinders corresponds to the number of the transport grab arms, the driving cylinders are mounted on the rear of the transport frame via a bracket, and the push rod ends of the driving cylinders are connected to the driving sides of the transport grab arms.

[0011] Preferably, the telescopic cylinder is provided with multiple ones, the front part of the telescopic cylinder is fixedly installed with a cylinder mounting seat by bolts, the cylinder mounting seat is fixedly installed on the side of the transport frame by bolts, the support block mounting seat is sleeved on the push rod end of the telescopic cylinder, the number of the adjusting nuts is two, the two adjusting nuts are both threadedly connected to the upper part of the push rod of the telescopic cylinder, the two adjusting nuts are pressed against the two sides of the support block mounting seat, the side of the support block mounting seat is provided with a push rod support seat, the push rod support seat is fixedly installed on the side of the transport frame by bolts, the push rod end of the telescopic cylinder is movably inserted in the sliding hole provided on the side of the push rod support seat, and the push rod end of the telescopic cylinder is threadedly installed with a limiting nut.

[0012] Preferably, the above-mentioned support bracket is fixedly installed on the front side of the bracket mounting seat by bolts, and the connecting side of the bracket mounting seat and the support bracket is clamped with an adjustment gasket, the guide shaft column is fixed to the rear part of the bracket mounting seat, and the side of the cylinder mounting seat is provided with a guide slide hole, and the rear end of the guide shaft column is slidably inserted into the inner side of the guide slide hole.

[0013] Preferably, a detection bracket is installed on the rear side of the above-mentioned bracket mounting seat, and a proximity switch is installed on the side of the cylinder mounting seat, and the detection end of the proximity switch is directly opposite to the detection bracket.

[0014] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0015] This mechanism adopts a floating and clamping positioning method, and uses the positioning component as the positioning and clamping structure of the automobile part. The supporting bracket arranged on the upper part of the telescopic cylinder is used to perform floating support positioning on the automobile part in the Z-axis direction, and the flip support of the carrying grab arm cooperates with the telescopic cylinder to push and clamp the supporting bracket to achieve the transportation and fixation of the automobile part. When a new car model is introduced, only the supporting bracket needs to be replaced to be compatible with a variety of car models. The operation is convenient, and the cost of introducing new car models later is extremely low. The supporting bracket adopts a stroke-adjustable structure setting, and an adjusting nut is arranged at the connection of the bracket mounting seat. The clamping stroke of the supporting bracket can be controlled and adjusted by tightening the adjusting nut. The clamping stroke of the supporting bracket can be flexibly adjusted according to the specifications of the component to ensure the clamping accuracy of the supporting bracket and avoid damage to the automobile component, which greatly improves the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall front structure of the utility model;

[0019] Figure 3 It is a three-dimensional structural diagram of the positioning component of the utility model;

[0020] Figure 4 It is a schematic diagram of the front structure of the positioning component of the utility model.

[0021] Explanation of the accompanying drawings: 1. driving mechanism; 11. mounting base; 12. multi-axis robot; 2. transporting mechanism; 21. transporting frame; 22. driving cylinder; 23. transporting grab arm; 24. positioning assembly; 241. telescopic cylinder; 242. guide shaft column; 243. support block mounting seat; 244. supporting support block; 245. adjusting nut; 246. adjusting gasket; 247. detection bracket; 248. proximity switch; 249. cylinder mounting seat; 2410. push rod support seat. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0024] Example

[0025] See also Figure 1-4The utility model provides a technical solution: a multi-type Z-direction positioning mechanism, including a driving mechanism 1 and a conveying mechanism 2, the driving mechanism 1 is used for mobile driving of the conveying mechanism 2, the driving mechanism 1 includes a mounting base 11 and a multi-axis robot 12, the mounting base 11 serves as a mounting support structure of the multi-axis robot 12, the mounting base 11 is installed on the upper part of the ground through a bolt structure, the multi-axis robot 12 is rotatably installed on the upper part of the mounting base 11, and the conveying mechanism 2 can be driven to move under the drive of the multi-axis robot 12.

[0026] The transport mechanism 2 is used for transporting and positioning automobile parts. The transport mechanism 2 includes a transport frame 21, a drive cylinder 22, a transport grab arm 23 and a positioning assembly 24. Figure 2 As shown, the transport frame 21 is installed on the driving end of the multi-axis robot 12 by bolts. In order to support and limit the automobile parts, the transport grabbing arm 23 is provided with two groups, as shown in the attached Figure 2 As shown, two groups of transport grab arms 23 are respectively flipped and installed on both sides of the transport frame 21 through axle seats. The driving cylinder 22 can be a pneumatic cylinder. The driving cylinder 22 is used for flipping drive of the transport grab arms 23. The number of driving cylinders 22 corresponds to that of the transport grab arms 23. The driving cylinder 22 is installed on the rear part of the transport frame 21 through a bracket. The push rod end of the driving cylinder 22 is connected to the driving side of the transport grab arms 23. The transport grab arms 23 are flipped and installed on the side of the transport frame 21 under the drive of the driving cylinder 22.

[0027] The positioning assembly 24 is used for positioning and pressing the automobile parts. The positioning assembly 24 includes a telescopic cylinder 241, a guide shaft column 242, a bracket mounting seat 243, a support bracket 244 and an adjusting nut 245. The telescopic cylinder 241 is used for pressing and driving the support bracket 244. The model of the telescopic cylinder 241 can be CDA2B40-75. A plurality of telescopic cylinders 241 are provided. The front part of the telescopic cylinder 241 is fixed with a cylinder mounting seat 249 by bolts. Figure 2 As shown, the cylinder mounting seat 249 is fixedly mounted on the side of the transport frame 21 by bolts. In order to achieve the sliding adjustment of the mounting position of the bracket mounting seat 243, as shown in the attached Figure 3 As shown, the support block mounting seat 243 is sleeved on the push rod end of the telescopic cylinder 241, and there are two adjusting nuts 245. The two adjusting nuts 245 are both threadedly connected to the upper part of the push rod of the telescopic cylinder 241. The two adjusting nuts 245 are pressed against the two sides of the support block mounting seat 243. The installation position of the support block mounting seat 243 can be adjusted by adjusting the fastening position of the two adjusting nuts 245, and the control and adjustment of the clamping stroke of the support support block 244 can be realized. The clamping stroke of the support support block 244 can be flexibly adjusted according to the specifications of the components, thereby ensuring the clamping accuracy of the support support block 244 to avoid damage to automobile components, thereby greatly improving the flexibility of the device.

[0028] In order to improve the sliding stability of the support block mounting seat 243, a push rod support seat 2410 is arranged on the side of the support block mounting seat 243. The push rod support seat 2410 is fixed to the side of the carrying frame 21 by bolts. The push rod end of the telescopic cylinder 241 is movably inserted into the sliding hole arranged on the side of the push rod support seat 2410, which can provide sliding support for the push rod end of the telescopic cylinder 241. In order to prevent the push rod of the telescopic cylinder 241 from falling out and to limit the push rod stroke of the telescopic cylinder 241, a limiting nut is threadedly installed on the push rod end of the telescopic cylinder 241.

[0029] As attached Figure 3 As shown, the support bracket 244 is fixedly installed on the front side of the bracket mounting seat 243 by bolts, and the connection side of the bracket mounting seat 243 and the support bracket 244 is clamped with an adjusting gasket 246. By installing the adjusting gasket 246, the pressing stroke of the support bracket 244 can be further fine-tuned. In order to improve the sliding stability of the support bracket 244, the guide shaft column 242 is fixed to the rear part of the bracket mounting seat 243, and the side of the cylinder mounting seat 249 is provided with a guide sliding hole. The rear end of the shaft column 242 is slidably inserted into the inner side of the guide slide hole. In order to detect the stroke of the support block 244, a detection bracket 247 is installed on the rear side of the support block mounting seat 243, and a proximity switch 248 is installed on the side of the cylinder mounting seat 249. The model of the proximity switch 248 may be IFR-202. The detection end of the proximity switch 248 is aligned with the detection bracket 247. By detecting the movement of the detection bracket 247, the stroke of the support block 244 can be indirectly detected.

[0030] Working principle or structural principle, when working, under the drive of the multi-axis robot 12, the transport frame 21 is moved to the transport position of the automobile part, so that the support bracket 244 in the positioning assembly 24 is aligned and positioned with the positioning slot on the upper part of the automobile part, and then under the drive of the driving cylinder 22, the transport grab arms 23 on both sides of the transport frame 21 are synchronously flipped, and after flipping, the transport grab arms 23 are clamped and supported at the front of the automobile part, and then under the push of the telescopic cylinder 241, the support bracket 244 is in contact with the positioning slot on the upper part of the automobile part, and through continuous air supply, the support bracket 244 continuously outputs force to reach the end of the stroke, clamps the automobile part, and realizes the compression and positioning of the automobile part, and then under the drive of the multi-axis robot 12, the automobile part is moved and transported to complete the transport work;

[0031] When a new vehicle model is introduced, the model of the support bracket 244 is selected and replaced according to the specifications and appearance characteristics of the components of the new vehicle model, and the installation position of the positioning assembly 24 is adjusted. Then, the fastening position of the adjusting nut 245 is adjusted according to the tightening needs of the tightening part, and the tightening stroke of the support bracket 244 is adjusted to complete the adjustment operation of the device.

[0032] In summary, this mechanism adopts a floating and clamping positioning method, and uses the positioning component 24 as the positioning and clamping structure of the automobile part. The supporting block 244 arranged on the upper part of the telescopic cylinder 241 is used to perform floating support positioning on the automobile part in the Z-axis direction, and the flip support of the transport grab arm 23 cooperates with the telescopic cylinder 241 to push and clamp the supporting block 244, so as to realize the transportation and fixation of the automobile part. When a new car model is introduced, only the supporting block 244 needs to be replaced to be compatible with a variety of car models. The operation is convenient, and the cost of introducing new car models in the later stage is extremely low. The supporting block 244 adopts a stroke-adjustable structural setting, and an adjusting nut 245 is arranged at the connection of the supporting block mounting seat 243. By tightening and adjusting the adjusting nut 245, the clamping stroke of the supporting block 244 can be controlled and adjusted. The clamping stroke of the supporting block 244 can be flexibly adjusted according to the specifications of the part to ensure the clamping accuracy of the supporting block 244 and avoid damage to the automobile parts, thereby greatly improving the flexibility of the device.

[0033] So far, the embodiments of the utility model have been described in detail in conjunction with the accompanying drawings. It should be noted that the implementation methods not shown or described in the drawings or the body of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each component are not limited to the various specific structures, shapes or methods mentioned in the embodiments, and ordinary technicians in the field can simply change or replace them.

[0034] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-type Z-direction positioning mechanism, comprising a driving mechanism (1) and a transport mechanism (2), characterized in that: The driving mechanism (1) is used for driving the transport mechanism (2) to move, and the driving mechanism (1) comprises a mounting base (11) and a multi-axis robot (12); The transport mechanism (2) is used for transporting and positioning automobile parts. The transport mechanism (2) comprises a transport frame (21), a driving cylinder (22), a transport grabbing arm (23) and a positioning assembly (24). The transport grabbing arm (23) is driven by the driving cylinder (22) to be flipped and installed on the side of the transport frame (21). The positioning assembly (24) is used for positioning and pressing automobile parts. The positioning assembly (24) comprises a telescopic cylinder (241), a guide shaft column (242), a bracket mounting seat (243), a supporting bracket (244) and an adjusting nut (245). The supporting bracket (244) is mounted on the push rod end of the telescopic cylinder (241) through the bracket mounting seat (243), and the adjusting nut (245) is arranged at the mounting position of the supporting bracket (244).

2. A multi-vehicle Z-direction positioning mechanism according to claim 1, characterized in that: The mounting base (11) is mounted on the upper part of the ground via a bolt structure, and the multi-axis robot (12) is rotatably mounted on the upper part of the mounting base (11).

3. A multi-vehicle Z-direction positioning mechanism according to claim 2, characterized in that: The transport frame (21) is mounted on the driving end of the multi-axis robot (12) by means of bolts. Two groups of transport grab arms (23) are provided. The two groups of transport grab arms (23) are respectively flipped and mounted on both sides of the transport frame (21) by means of shaft seats.

4. A multi-vehicle Z-direction positioning mechanism according to claim 3, characterized in that: The number of the driving cylinders (22) corresponds to the number of the transport grab arms (23). The driving cylinders (22) are mounted on the rear of the transport frame (21) via a bracket, and the push rod end of the driving cylinder (22) is connected to the driving side of the transport grab arms (23).

5. The multi-vehicle Z-direction positioning mechanism according to claim 1, characterized in that: The telescopic cylinder (241) is provided with a plurality of them. A cylinder mounting seat (249) is fixedly mounted on the front of the telescopic cylinder (241) by bolts. The cylinder mounting seat (249) is fixedly mounted on the side of the transport frame (21) by bolts. The support block mounting seat (243) is sleeved on the push rod end of the telescopic cylinder (241). The number of the adjusting nuts (245) is two. Both of the adjusting nuts (245) are threadedly connected to the upper part of the push rod of the telescopic cylinder (241). The two adjusting nuts (245) are pressed against the two sides of the support block mounting seat (243), and a push rod support seat (2410) is arranged on the side of the support block mounting seat (243). The push rod support seat (2410) is fixedly installed on the side of the transport frame (21) by bolts, and the push rod end of the telescopic cylinder (241) is movably inserted into the sliding hole arranged on the side of the push rod support seat (2410), and the push rod end of the telescopic cylinder (241) is threadedly installed with a limiting nut.

6. A multi-vehicle Z-direction positioning mechanism according to claim 5, characterized in that: The support bracket (244) is fixedly mounted on the front side of the bracket mounting seat (243) by bolts, and an adjusting gasket (246) is clamped and mounted on the connecting side of the bracket mounting seat (243) and the support bracket (244). The guide shaft column (242) is fixed to the rear part of the bracket mounting seat (243), and a guide sliding hole is arranged on the side of the cylinder mounting seat (249), and the rear end of the guide shaft column (242) is slidably inserted into the inner side of the guide sliding hole.

7. A multi-vehicle Z-direction positioning mechanism according to claim 6, characterized in that: A detection bracket (247) is installed on the rear side of the support block mounting seat (243), and a proximity switch (248) is installed on the side of the cylinder mounting seat (249), and the detection end of the proximity switch (248) is aligned with the detection bracket (247).