Anti-leakage detection positioning welding clamp for automobile parts

Abstract

A first clamping mechanism and a second clamping mechanism are respectively arranged at two ends of a bottom plate, the bottom plate is connected with a second positioning mechanism through a third supporting seat, and one side of the bottom plate is connected with a third clamping mechanism through a fourth supporting seat. A third positioning mechanism is connected to the upper portion of the bottom plate through a fifth supporting seat, the second positioning mechanism is provided with a first leakage-proof probe in a penetrating mode through a connecting rod, and the third positioning mechanism is provided with a second leakage-proof probe in a penetrating mode. According to the tool clamp, the welding quality is guaranteed, the requirement for consistent production is met, and the tool clamp is simple and compact in overall structure and small in occupied space; and whether the first workpiece and the second workpiece are missed to be clamped or not can be detected through the first leakage-proof probe and the second leakage-proof probe, the requirement for manual inspection is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a leak-proof detection and positioning welding fixture for automobile parts. Background Art

[0002] With the trend of industrial intelligence development in recent years, more and more product production is constantly changing from traditional manual operation to semi-automatic and fully automated equipment production lines, and the degree of automation will become higher and higher. In the integration of automated equipment production lines, automated production fixtures are an indispensable part.

[0003] When assembling, positioning, and welding automobile components, it is often necessary to use multiple fixtures in different processes. The current solution to the problem of needing multiple fixtures is mainly to use a slide structure, which requires two or more guide rails, multiple cylinders, and a large-diameter telescopic cylinder to push the slide. This solution has the following main disadvantages: 1. The fixture structure is complex and occupies a large space, which is not conducive to the arrangement of the mechanism in a small space; 2. There are many supporting auxiliary parts, such as stop blocks, guide rail floors, etc.; 3. The processing cost is high, and more auxiliary parts and purchased parts are required; 4. The positioning stability is poor, making it difficult to ensure the welding quality and failing to meet the requirements of consistent production.

[0004] The higher the degree of automation of the welding equipment production line, the more common the problem of missing welding parts is. Traditional tooling and fixtures cannot detect whether the workpiece is missing. Usually, missing workpieces are discovered through workers' observation. Many unqualified parts cannot be discovered in time, wasting a lot of manpower and material resources. Utility Model Content

[0005] The purpose of the utility model is to provide a leak-proof detection and positioning welding fixture for automobile parts, aiming to solve the problems that the existing tooling fixtures have complex structures, occupy a large space, have many auxiliary parts, are high in cost, and have poor positioning stability, resulting in difficulty in ensuring welding quality, and are unable to automatically detect leaks and welding leaks, thereby wasting manpower and material resources.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] Provided is a leak-proof detection and positioning welding fixture for automotive parts, comprising a base plate, a first workpiece and a second workpiece, wherein the base plate is respectively provided with a first clamping mechanism and a second clamping mechanism at two ends corresponding to the first workpiece, the first clamping mechanism is connected to the base plate through a first supporting seat, the second clamping mechanism is connected to the base plate through a second supporting seat, the first supporting seat is connected to a first positioning mechanism corresponding to the first clamping mechanism, the base plate is provided with an opening, and a second positioning mechanism is provided in the opening, so that the second positioning mechanism and the second clamping mechanism clamp one end of the first workpiece, the second positioning mechanism is connected to the base plate through a third supporting seat, and one side of the base plate is located in the middle of the first workpiece through a second supporting seat. The fourth support seat is connected to a third clamping mechanism, and the top of the base plate is connected to a third positioning mechanism through a fifth support seat, and the third positioning mechanism and the third clamping mechanism are arranged opposite to each other, so that they exert force on each other to clamp the two surfaces of the second workpiece, one side of the third positioning mechanism is connected to a first limit plate, and the top of the base plate is connected to a second limit plate through a support, and the first limit plate and the second limit plate are arranged opposite to each other at two ends of the second workpiece, the second positioning mechanism is penetrated by a first anti-leakage probe through a connecting rod, and the first anti-leakage probe is arranged toward the first workpiece, and the third positioning mechanism is penetrated by a second anti-leakage probe, and the second anti-leakage probe is arranged toward the second workpiece.

[0008] Preferably, the first clamping mechanism, the second clamping mechanism and the third clamping mechanism all include a clamping cylinder, a pin shaft passes through the clamping cylinder along the width direction, and pressure arms are connected through both ends of the pin shaft, and the pressure arms are connected to a fixed pressure head.

[0009] Preferably, the first positioning mechanism, the second positioning mechanism and the third positioning mechanism all include a positioning cylinder, a cylinder body of the positioning cylinder is connected to a guide cylinder, a cylinder rod of the positioning cylinder is passed through the guide cylinder, and a positioning pin is connected to the guide cylinder through a joint, the positioning pin passes through the guide cylinder so that the positioning pin extends out of the guide cylinder and passes through the first workpiece / second workpiece.

[0010] Preferably, a positioning ring is provided on the surface of the guide cylinder corresponding to the positioning pin, wherein the guide cylinder of the third positioning mechanism is located at one end of the positioning pin and is connected to a probe connecting plate, so that the positioning ring is passed between the probe connecting plate and the guide cylinder, and the probe connecting plate is passed through a second leak-proof probe.

[0011] Preferably, a transverse adjustment plate is arranged between the first supporting seat and the base plate, and each end corner of the transverse adjustment plate is respectively provided with a waist-shaped hole, and the transverse adjustment plate is fixed by screws passed through the waist-shaped holes, and a fixing block is connected to one end of the transverse adjustment plate above the base plate, and a screw is passed through the fixing block, and one end of the screw is abutted against the transverse adjustment plate.

[0012] Preferably, the first support seat is an L-shaped structure, and each end corner thereof located at one end of the base plate is respectively provided with a waist-shaped hole in the longitudinal direction, and the first support seat is fixed to the transverse adjustment plate by passing screws through the waist-shaped holes, and a fixing block is connected to one end of the first support seat above the transverse adjustment plate, and the fixing block is passed through a screw, and one end of the screw abuts against the first support seat.

[0013] Preferably, the third support seat is in an L-shaped structure, and each end corner located at one end of the base plate is respectively provided with a waist-shaped hole in the longitudinal direction, and the third support seat is fixed to the base plate by screws inserted into the waist-shaped holes; each end corner at the other end of the third support seat is respectively provided with a waist-shaped hole in the transverse direction, and the third support seat is connected to an intermediate connecting plate by screws inserted into the waist-shaped holes, and the intermediate connecting plate is provided with several groups of waist-shaped holes in the up and down directions, and the intermediate connecting plate is connected to the third positioning mechanism by screws inserted into the waist-shaped holes.

[0014] Preferably, a longitudinal adjustment plate is arranged between the fifth support seat and the base plate, each end corner of the longitudinal adjustment plate is respectively provided with a waist-shaped hole, and the longitudinal adjustment plate is fixed by screws inserted into the waist-shaped hole, and each end corner of the fifth support seat is respectively provided with a waist-shaped hole in the transverse direction.

[0015] Preferably, the first support seat, the second support seat, the third support seat and the fifth support seat are respectively connected with reinforcing ribs.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides a leak-proof detection positioning welding fixture for automobile parts. The positioning is designed separately for each workpiece. The first workpiece is clamped by a first clamping mechanism combined with a first positioning mechanism and a second clamping mechanism combined with a second positioning mechanism. The second workpiece is positioned and clamped by a third clamping mechanism combined with a third positioning mechanism, which effectively improves the positioning accuracy and stability of the workpieces, is convenient for individual adjustment, helps to ensure welding quality, and meets the requirements of consistent production. The overall structure of the tooling fixture of the utility model is simple and compact, reduces the use of auxiliary parts, is easy to assemble, has a small size, occupies a small space, has a low cost, and is easy to operate. The first leak-proof probe and the second leak-proof probe can also automatically detect whether the first workpiece and the second workpiece are leaked, thereby improving the automation level of the production line, reducing the need for manual inspection, saving manpower and material resources, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a front perspective view of the utility model;

[0020] Figure 2 It is a back-facing stereogram of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the first clamping mechanism of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the third positioning mechanism of the utility model;

[0023] Figure 5 It is a cross-sectional view of the first positioning mechanism of the utility model.

[0024] In the figure: 1, bottom plate; 2, first workpiece; 3, second workpiece; 4, first clamping mechanism; 5, second clamping mechanism; 6, first support seat; 7, first positioning mechanism; 8, opening; 9, second positioning mechanism; 10, third support seat; 11, fourth support seat; 12, third clamping mechanism; 13, fifth support seat; 14, third positioning mechanism; 15, first limit plate; 16, support; 17, second limit plate; 18, connecting rod; 19, The first anti-leakage probe; 20, the second anti-leakage probe; 21, the clamping cylinder; 22, the pin shaft; 23, the pressure arm; 24, the fixed pressure head; 25, the positioning cylinder; 26, the guide cylinder; 27, the second supporting seat; 28, the joint; 29, the positioning pin; 30, the positioning ring; 31, the probe connecting plate; 32, the transverse adjustment plate; 33, the waist-shaped hole; 34, the fixing block; 35, the screw; 36, the longitudinal adjustment plate; 37, the reinforcing rib; 38, the middle connecting plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0028] Combine the following Figures 1 to 5 The utility model describes a leak-proof detection positioning welding fixture for automobile parts.

[0029] like Figures 1 to 5As shown, the utility model provides a leak-proof detection positioning welding fixture for automobile parts, including a base plate 1, a first workpiece 2 and a second workpiece 3, the base plate 1 is respectively provided with a first clamping mechanism 4 and a second clamping mechanism 5 at two ends corresponding to the first workpiece 2, the first clamping mechanism 4 is connected to the base plate 1 through a first supporting seat 6, the second clamping mechanism 5 is connected to the base plate 1 through a second supporting seat 27, the first supporting seat 6 is connected to a first positioning mechanism 7 corresponding to the first clamping mechanism 4, the base plate 1 is provided with an opening 8, and a second positioning mechanism 9 is provided in the opening 8, so that the second positioning mechanism 9 and the second clamping mechanism 5 clamp one end of the first workpiece 2, the second positioning mechanism 9 is connected to the base plate 1 through a third supporting seat 10, and one side of the base plate 1 is located in the middle of the first workpiece 2 through the second The fourth support seat 11 is connected to the third clamping mechanism 12, and the top of the base plate 1 is connected to the third positioning mechanism 14 through the fifth support seat 13. The third positioning mechanism 14 and the third clamping mechanism 12 are arranged opposite to each other, so that they exert force on each other to clamp the two surfaces of the second workpiece 3. One side of the third positioning mechanism 14 is connected to the first limit plate 15, and the top of the base plate 1 is connected to the second limit plate 17 through the support 16. The first limit plate 15 and the second limit plate 17 are arranged at two ends of the second workpiece 3 opposite to each other. The second positioning mechanism 9 is penetrated by a first anti-leakage probe 19 through a connecting rod 18, and the first anti-leakage probe 19 is arranged toward the first workpiece 2. The third positioning mechanism 14 is penetrated by a second anti-leakage probe 20, and the second anti-leakage probe 20 is arranged toward the second workpiece 3.

[0030] Preferably, the first clamping mechanism 4, the second clamping mechanism 5 and the third clamping mechanism 12 all include a clamping cylinder 21, which provides a reliable clamping force to ensure the stability of the parts during the welding process, thereby ensuring the welding quality. The clamping cylinder 21 is penetrated by a pin shaft 22 along the width direction, and is connected to a pressure arm 23 at both ends of the pin shaft 22. The design of the pin shaft 22 and the pressure arm 23 makes the clamping mechanism structure compact, which helps to save space. The pressure arm 23 is connected to a fixed pressure head 24, which provides a stable clamping point.

[0031] Preferably, the first positioning mechanism 7, the second positioning mechanism 9 and the third positioning mechanism 14 all include a positioning cylinder 25, a cylinder body of the positioning cylinder 25 is connected to a guide cylinder 26, a cylinder rod of the positioning cylinder 25 is passed through the guide cylinder 26, and is located in the guide cylinder 26 and connected to a positioning pin 29 through a joint 28, the positioning pin 29 passes through the guide cylinder 26, the first positioning mechanism 7 and the second positioning mechanism 9 extend out of the guide cylinder 26 through the positioning pin 29 and are passed through the first workpiece 2, the third positioning mechanism 14 extends out of the guide cylinder 26 through the positioning pin 29 and is passed through the second workpiece 3, the guide cylinder 26 provides a stable guide for the positioning pin 29, reduces the swing or deviation caused by lateral force, and thus improves the stability and reliability of positioning.

[0032] Preferably, a positioning ring 30 is provided on the surface of the guide cylinder 26 corresponding to the positioning pin 29, wherein the guide cylinder 26 of the third positioning mechanism 14 is located at one end of the positioning pin 29 and is connected to a probe connecting plate 31, so that the positioning ring 30 is passed between the probe connecting plate 31 and the guide cylinder 26, and the probe connecting plate 31 is passed through the second leak-proof probe 20. The design of the positioning ring 30 provides additional support and stability for the positioning pin 29, ensuring the accuracy and repeatability of the positioning process. The positioning ring 30 is passed between the probe connecting plate 31 and the guide cylinder 26, which helps to maintain the linear motion of the positioning pin 29 and reduces the possibility of deviation or tilt.

[0033] Preferably, a transverse adjustment plate 32 is arranged between the first support seat 6 and the base plate 1, and each end corner of the transverse adjustment plate 32 is respectively provided with a waist-shaped hole 33, and the transverse adjustment plate 32 is fixed by screws passed through the waist-shaped hole 33. A fixing block 34 is connected to one end of the transverse adjustment plate 32 above the base plate 1, and a screw 35 is passed through the fixing block 34, and one end of the screw 35 abuts against the transverse adjustment plate 32. The design of the transverse adjustment plate 32 allows the position of the first support seat 6 on the base plate 1 to be fine-tuned to accommodate workpieces of different sizes or to adjust the positioning accuracy, thereby improving the applicability and flexibility of the fixture, and the position of the transverse adjustment plate 32 can be quickly and easily adjusted by loosening and tightening the screws passing through the waist-shaped hole 33, thereby reducing the adjustment time and improving the production efficiency.

[0034] Preferably, the first support seat 6 is in an L-shaped structure, and each end corner located at one end of the base plate 1 is provided with a waist-shaped hole 33 in the longitudinal direction, and the first support seat 6 is fixed to the transverse adjustment plate 32 by passing screws through the waist-shaped hole 33. The waist-shaped hole 33 on the first support seat 6 allows fine-tuning in the longitudinal direction. Such a design makes it possible to adjust the position of the first support seat 6 according to the needs of different workpieces, thereby improving the applicability and flexibility of the fixture. The first support seat 6 is fixed by screws through the waist-shaped hole 33, which can achieve quick and simple installation and adjustment, reducing production preparation time. A fixing block 34 is connected to one end of the first support seat 6 above the transverse adjustment plate 32, and a screw 35 is passed through the fixing block 34, and one end of the screw 35 abuts against the first support seat 6.

[0035] Preferably, the third support seat 10 has an L-shaped structure, and each end corner located at one end of the base plate 1 is respectively provided with a waist-shaped hole 33 in the longitudinal direction, and the third support seat 10 is fixed to the base plate 1 by screws inserted into the waist-shaped holes 33. The third support seat 10 with an L-shaped structure provides a larger contact area and a stronger supporting force, which helps to improve the stability of the entire clamp system. The waist-shaped holes 33 on the third support seat 10 allow fine-tuning in the longitudinal and transverse directions. Such a design makes it possible to adjust the position of the third support seat 10 according to the needs of different workpieces, thereby improving the applicability and flexibility of the clamp; each end corner at the other end of the third support seat 10 is respectively provided with a waist-shaped hole 33 in the transverse direction, and the third support seat 10 is connected to an intermediate connecting plate 38 by screws inserted into the waist-shaped holes 33. The intermediate connecting plate 38 is provided with several groups of waist-shaped holes 33 in the up and down directions, and the intermediate connecting plate 38 is connected to the third positioning mechanism 14 by screws inserted into the waist-shaped holes 33.

[0036] Preferably, a longitudinal adjustment plate 36 is arranged between the fifth support seat 13 and the base plate 1, and each end corner of the longitudinal adjustment plate 36 is respectively provided with a waist-shaped hole 33, and the longitudinal adjustment plate 36 is fixed by screws inserted into the waist-shaped hole 33, and each end corner of the fifth support seat 13 is respectively provided with a waist-shaped hole 33 along the transverse direction.

[0037] Preferably, the first support seat 6, the second support seat 27, the third support seat 10 and the fifth support seat 13 are respectively connected with reinforcing ribs 37. The addition of the reinforcing ribs 37 significantly improves the strength and rigidity of each support seat, so that the clamp can withstand greater force and pressure.

[0038] The utility model provides a leak-proof detection positioning welding fixture for automobile parts, which is designed and positioned separately for each workpiece. The first workpiece 2 is clamped by a first clamping mechanism 4 combined with a first positioning mechanism 7 and a second clamping mechanism 5 combined with a second positioning mechanism 9, and the second workpiece 3 is positioned and clamped by a third clamping mechanism 12 combined with a third positioning mechanism 14, which effectively improves the positioning accuracy and stability of the workpieces, is convenient for individual adjustment, helps to ensure welding quality, and meets the requirements of consistent production. The overall structure of the tooling fixture of the utility model is simple and compact, reduces the use of auxiliary parts, is easy to assemble, has a small size, occupies a small space, has a low cost, and is easy to operate. The first leak-proof probe 19 and the second leak-proof probe 20 can also automatically detect whether the first workpiece 2 and the second workpiece 3 are leaked, thereby improving the degree of automation of the production line, reducing the need for manual inspection, saving manpower and material resources, and improving production efficiency.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A leak-proof detection and positioning welding fixture for automobile parts, comprising a base plate, a first workpiece and a second workpiece, characterized in that: The bottom plate is respectively provided with a first clamping mechanism and a second clamping mechanism at two ends corresponding to the first workpiece, the first clamping mechanism is connected to the bottom plate through a first supporting seat, the second clamping mechanism is connected to the bottom plate through a second supporting seat, the first supporting seat is connected with a first positioning mechanism corresponding to the first clamping mechanism, the bottom plate is provided with an opening, and a second positioning mechanism is provided in the opening, so that the second positioning mechanism and the second clamping mechanism clamp one end of the first workpiece, the second positioning mechanism is connected to the bottom plate through a third supporting seat, one side of the bottom plate is located in the middle of the first workpiece and is connected to the third clamping mechanism through a fourth supporting seat, the bottom plate A third positioning mechanism is connected to the top through a fifth supporting seat, and the third positioning mechanism and the third clamping mechanism are arranged opposite to each other, so that they exert force on each other to clamp the two surfaces of the second workpiece, a first limit plate is connected to one side of the third positioning mechanism, and a second limit plate is connected to the top of the bottom plate through a support, the first limit plate and the second limit plate are arranged at two ends of the second workpiece opposite to each other, the second positioning mechanism is penetrated by a first leakage prevention probe through a connecting rod, and the first leakage prevention probe is arranged toward the first workpiece, and the third positioning mechanism is penetrated by a second leakage prevention probe, and the second leakage prevention probe is arranged toward the second workpiece.

2. The leak-proof detection and positioning welding fixture for automobile parts according to claim 1 is characterized in that: The first clamping mechanism, the second clamping mechanism and the third clamping mechanism all include a clamping cylinder, a pin shaft passes through the clamping cylinder along the width direction, and pressure arms are connected through both ends of the pin shaft, and the pressure arms are connected to a fixed pressure head.

3. The leak-proof detection and positioning welding fixture for automobile parts according to claim 1 is characterized in that: The first positioning mechanism, the second positioning mechanism and the third positioning mechanism all include a positioning cylinder, a cylinder body of the positioning cylinder is connected to a guide cylinder, a cylinder rod of the positioning cylinder is passed through the guide cylinder, and a positioning pin is connected to the guide cylinder through a joint, the positioning pin passes through the guide cylinder so that the positioning pin extends out of the guide cylinder and passes through the first workpiece / second workpiece.

4. The leak-proof detection and positioning welding fixture for automobile parts according to claim 3 is characterized in that: A positioning ring is provided on the surface of the guide cylinder corresponding to the positioning pin, wherein the guide cylinder of the third positioning mechanism is located at one end of the positioning pin and is connected to a probe connecting plate, so that the positioning ring is passed between the probe connecting plate and the guide cylinder, and the probe connecting plate is passed through a second leak-proof probe.

5. The leak-proof detection and positioning welding fixture for automobile parts according to claim 1 is characterized in that: A transverse adjustment plate is arranged between the first supporting seat and the base plate, and each end corner of the transverse adjustment plate is respectively provided with a waist-shaped hole, and the transverse adjustment plate is fixed by screws passed through the waist-shaped holes, and a fixing block is connected to one end of the transverse adjustment plate above the base plate, and a screw is passed through the fixing block, and one end of the screw is abutted against the transverse adjustment plate.

6. The leak-proof detection and positioning welding fixture for automobile parts according to claim 5, characterized in that: The first support seat is in an L-shaped structure, and each end corner located at one end of the base plate is provided with a waist-shaped hole in the longitudinal direction, and the first support seat is fixed to the transverse adjustment plate by screws inserted through the waist-shaped holes. A fixing block is connected to one end of the first support seat above the transverse adjustment plate, and a screw is inserted through the fixing block, and one end of the screw is in contact with the first support seat.

7. The leak-proof detection and positioning welding fixture for automobile parts according to claim 1 is characterized in that: The third support seat is in an L-shaped structure, and each end corner at one end of the base plate is provided with a waist-shaped hole in the longitudinal direction, and the third support seat is fixed to the base plate by screws inserted into the waist-shaped holes; each end corner at the other end of the third support seat is provided with a waist-shaped hole in the transverse direction, and the third support seat is connected to an intermediate connecting plate by screws inserted into the waist-shaped holes, and the intermediate connecting plate is provided with several groups of waist-shaped holes in the up and down directions, and the intermediate connecting plate is connected to the third positioning mechanism by screws inserted into the waist-shaped holes.

8. The leak-proof detection and positioning welding fixture for automobile parts according to claim 1 is characterized in that: A longitudinal adjustment plate is arranged between the fifth support seat and the base plate, each end corner of the longitudinal adjustment plate is respectively provided with a waist-shaped hole, and the longitudinal adjustment plate is fixed by screws inserted into the waist-shaped hole, and each end corner of the fifth support seat is respectively provided with a waist-shaped hole in the transverse direction.

9. The leak-proof detection and positioning welding fixture for automobile parts according to claim 1, characterized in that: The first support seat, the second support seat, the third support seat and the fifth support seat are respectively connected with reinforcing ribs.

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