Bolt connection fastener assembling jig for pipeline joint
By designing the pipe interface, the fixture is assembled by bolting fasteners, and the coordination between the cylinder and the guide column is used to solve the problems of difficult assembly and poor consistency in the prior art, achieving efficient, accurate and consistent assembly.
Patent Information
- Application Number
- CN202420635631.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-29
AI Technical Summary
In the prior art, it is difficult to assemble the fasteners with bolts at the pipe interface, and manual assembly leads to poor overall consistency, high labor intensity and low efficiency.
A fixture is designed to use bolted fasteners to assemble the fixture at the pipe interface, including the base plate, stamping assembly, workpiece positioning assembly and workpiece limit assembly. Through the cooperation of the cylinder and the guide column, the workpiece is clamped by air pressure control to ensure the accuracy and consistency of assembly.
It achieves the overall consistency of assembly, is convenient to operate, improves work efficiency, reduces labor costs, and can complete assembly work on one assembly fixture, saving production costs.
Smart Images

Figure CN222588688U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of aluminum product processing and relates to an assembly jig for fasteners connected by bolts at pipeline interfaces. Background Art
[0002] The bolt fasteners used at the pipeline interface are made of aluminum products, which include three shapes of workpieces, including workpiece A, one workpiece B, and two workpieces C, where workpiece B is a workpiece with a through hole on the top and a thread on the bottom, workpiece A is a long strip with two through holes and an arc-shaped edge, and workpiece C is an overall arched structure, one of the arched bottom edges is an arc-shaped, the other arched bottom is a long rectangular strip, and each arched bottom is provided with an opening, and each arched bottom is provided with a through hole. During specific assembly, the two workpieces C have an arc-shaped arched bottom and are arranged in contact with each other. Workpiece A is inserted at the opening at the contact point of the two workpieces C, and the through holes are ensured to be the same, and the two workpieces C and workpiece A are connected by two pins penetrating the through holes. The through hole on the arched bottom of one workpiece C is a long rectangular strip and is connected to the through hole on workpiece B by a pin. The workpieces are not only of many types but also of different sizes, and manual assembly is difficult and labor-intensive. Manual assembly leads to poor overall consistency. Therefore, it is necessary to develop an assembly fixture that can ensure the consistency of each assembly. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and provide an assembly jig for bolting fasteners at pipeline interfaces, which provides overall assembly consistency and is easy to operate, improves work efficiency, reduces labor costs, and enables assembly work to be completed on one assembly jig.
[0004] The technical solution adopted by the utility model to solve its technical problems is: a fixture for assembling fasteners with bolts at pipeline interfaces, comprising a base plate; a stamping assembly is arranged on the base plate, a workpiece positioning assembly is arranged between the stamping assembly and the base plate, the workpiece positioning assembly is arranged on the base plate, and a workpiece limiting assembly is arranged in front of the workpiece positioning assembly, the workpiece limiting assembly is arranged on the base plate, and the workpiece limiting assembly is not arranged below the stamping assembly.
[0005] The stamping assembly includes a cylinder base plate and cylinder legs; the cylinder base plate is fixed to the base plate through the cylinder legs, a cylinder D is arranged on the cylinder base plate, a cylinder joint is arranged at the front end of the cylinder rod of the cylinder D, the cylinder D is connected to the punch fixing plate through the cylinder joint, and a punch is arranged on the bottom surface of the punch fixing plate.
[0006] The cylinder bottom plate is provided with a plurality of through holes, guide sleeves are arranged on the through holes, a plurality of guide pillars are fixedly arranged on the punch back plate, and the guide pillars extend through the through holes on the cylinder bottom plate.
[0007] The number of through holes and guide pins on the cylinder bottom plate is the same. There is no specific limitation, as long as the working function is achieved.
[0008] The guide sleeve and the guide post are slidably connected.
[0009] The workpiece positioning assembly includes a main body positioning plate and a main body Z-positioning block. The main body Z-positioning block is arranged on the bottom plate. The main body positioning plate is arranged behind the main body Z-positioning block. A main body circular positioning column for placing the workpiece C is arranged in front of the main body positioning plate. A pin guide plate is arranged on the top surface of the main body positioning plate. Three pin holes for assembling the workpiece are arranged on the pin guide plate, and each pin hole is equipped with a pin for assembling the workpiece; a cylinder limit block for limiting the cylinder D is arranged on the top surface of the pin guide plate.
[0010] A cylinder E is arranged on the back of the main body positioning plate, a double-hole gasket pusher block is arranged at the front end of the cylinder rod of the cylinder E, a through hole is arranged in the central area of the main body positioning plate, a double-hole gasket stopper block for placing the workpiece A is arranged on the inner wall of the through hole, and the rear end of the workpiece A is inserted on the double-hole gasket stopper block. The cylinder rod of the cylinder E can be telescopically moved in the through hole arranged in the central area of the main body positioning plate.
[0011] The cylinder E is arranged on the main body positioning plate through the cylinder support. A cylinder pad is arranged at the connection between the cylinder E and the cylinder support.
[0012] A groove for placing workpiece B is also set on one end of the main positioning plate, and a cylinder support plate is also set on the side of the main positioning plate adjacent to the groove. Cylinder C is set in front of the cylinder support plate, and a limiting push block is set at the front end of the cylinder rod of cylinder C to limit workpiece B.
[0013] The workpiece limiting assembly includes a clamping cylinder pad, which is arranged on a base plate, and a cylinder A for limiting the workpiece C and a cylinder B for limiting the workpiece A are arranged on the clamping cylinder pad; a cylinder A is arranged on each side of cylinder B; a limiting cylinder extension rod is arranged at the front end of the cylinder rod of cylinder A and cylinder B, and a double-hole gasket forward limiting block is also arranged at the front end of the limiting cylinder extension rod arranged on cylinder B.
[0014] A limit cylinder pad is also arranged below the limit cylinder extension rod arranged on the cylinder B. The limit cylinder pad is fixed on the bottom plate.
[0015] Furthermore, a punch back plate is provided between the cylinder joint and the punch fixing plate. The guide column and the punch back plate are connected by bolts. The punch back plate and the punch fixing plate are connected by bolts, and the punch fixing plate and the punch are connected by bolts. The bottom plate and the cylinder legs are connected by bolts, the cylinder legs and the cylinder bottom plate are connected by bolts, the cylinder bottom plate and the cylinder are connected by bolts, the cylinder D and the cylinder joint are connected by bolts, and the cylinder joint and the punch back plate are connected by bolts.
[0016] Furthermore, three punches are provided, two of which are used to punch the pins connecting workpiece A and workpiece C, and the other one is used to punch the pin connecting workpiece C and workpiece B.
[0017] The height of the main body Z-position positioning block is lower than the height of the main body positioning plate.
[0018] The front end of the double-hole gasket limit block extends out of the main body positioning plate, and the top surface of the pin guide plate is used to place the workpiece A downwardly in the workpiece lowering through hole of the double-hole gasket limit block.
[0019] Further, two Z-position positioning blocks of the main body are provided, and the two blocks are arranged side by side and fixed by bolt connection. The Z-position positioning block of the main body is fixed to the base plate by bolts. The rear part of the main body positioning plate is fixed to the base plate by bolts. The front part of the main body positioning plate is connected to the Z-position positioning block of the main body by bolts. The main body circular positioning column is connected to the main body positioning plate by bolts. The bottom surface of the main body circular positioning column is connected to the Z-position positioning block by bolts. The main body positioning plate is connected to the pin guide plate by bolts. The cylinder limit block is connected to the pin guide plate by bolts.
[0020] Furthermore, the cylinder E and the cylinder gasket are connected by bolts, the cylinder support and the cylinder gasket are connected by bolts, the cylinder support and the main body positioning plate are connected by bolts, the cylinder rod of the cylinder E and the double-hole gasket push block are connected by bolts, and the double-hole gasket limit block and the main body positioning plate are connected by bolts.
[0021] Further, the cylinder C is connected to the cylinder backing plate by bolts. The cylinder backing plate is arranged on the bottom plate and connected by bolts.
[0022] Furthermore, the clamping cylinder pad and the bottom plate are connected by bolts. The cylinder A and the cylinder B are connected to the clamping cylinder pad by bolts respectively. The cylinder A and the cylinder B are connected to the limit cylinder extension rod by bolts respectively.
[0023] Furthermore, the bolts are all countersunk hexagonal to avoid damage to the workpiece during loading and unloading. The extension rod of the limit cylinder is made of PPT material to fix and clamp the product to avoid clamping the workpiece.
[0024] Furthermore, the cylinder A, cylinder B, cylinder C, cylinder D, and cylinder E are not limited in model, as long as their working functions are realized, wherein the model of cylinder A is preferably MD25*50.STP, the model of cylinder B is preferably MK25*50, the model of cylinder C is preferably QCKR16*108_0_180, and the model of cylinder D is preferably ADQ100*75_0.
[0025] Compared with the prior art, the utility model has the following beneficial effects:
[0026] The assembly jig provides the consistency of the whole assembly and is easy to operate, which improves the work efficiency and reduces the labor cost. The assembly work can be completed on one assembly jig. It can complete the assembly of multiple workpieces at one time, saving the production cost. The cylinder uses air pressure to control the clamping of the workpiece, with stable clamping force, accurate clamping position and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0028] Figure 1 It is a front view of an assembly jig for fasteners connected by bolts at a pipeline interface of the utility model.
[0029] Figure 2 yes Figure 1 BB cross-sectional view.
[0030] Figure 3 The utility model is a top view of an assembly jig for fastening pieces connected by bolts at a pipeline interface.
[0031] Figure 4 yes Figure 3 AA section view.
[0032] In the figure, 1. main body positioning plate, 2. main body circular positioning column, 3. main body Z-positioning block A, 4. workpiece A, 5. main body Z-positioning block B, 6. workpiece B, 7. pin guide plate, 8. cylinder A, 9. cylinder B, 10. cylinder C, 11. cylinder D, 12. guide column, 13. workpiece C, 14. punch A, 15. punch fixing plate, 16. punch B, 17. punch back plate, 18. cylinder joint A, 1 9. Cylinder joint B, 20. Cylinder base plate, 21. Guide sleeve, 22. Base plate, 23. Cylinder support leg, 24. Cylinder limit block, 25. Double-hole gasket limit block, 26. Cylinder support plate, 27. Double-hole gasket push block, 28. Cylinder E, 29. Cylinder support, 30. Cylinder pad, 31. Press cylinder pad, 32. Limit cylinder extension rod, 33. Limit cylinder pad, 34. Double-hole gasket forward limit block. DETAILED DESCRIPTION
[0033] The present invention is further described below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments.
[0034] Example 1
[0035] A fixture for assembling fasteners with bolts at pipe interfaces, such as Figure 1-4As shown, it includes a base plate 22; a stamping assembly is arranged on the base plate 22, a workpiece positioning assembly is arranged between the stamping assembly and the base plate 22, the workpiece positioning assembly is arranged on the base plate 22, and a workpiece limiting assembly is arranged in front of the workpiece positioning assembly, the workpiece limiting assembly is arranged on the base plate 22, and the workpiece limiting assembly is not arranged below the stamping assembly.
[0036] The stamping assembly includes a cylinder base plate 20 and a cylinder leg 23; the cylinder base plate 20 is fixed to the base plate 22 through the cylinder leg 23, a cylinder D11 is arranged on the cylinder base plate 20, a cylinder joint is arranged at the front end of the cylinder rod of the cylinder D11, the cylinder D11 is connected to the punch fixing plate 15 through the cylinder joint, and a punch is arranged on the bottom surface of the punch fixing plate 15.
[0037] The cylinder bottom plate 20 is provided with a plurality of through holes, on which guide sleeves 21 are arranged, a punch back plate 17 is arranged on the top surface of the punch fixing plate 15, on which a plurality of guide pillars 12 are fixedly arranged, and the guide pillars 12 extend through the through holes on the cylinder bottom plate 20.
[0038] The number of through holes on the cylinder bottom plate 20 is the same as that of the guide pillars 12. There is no specific limitation, as long as the working function is achieved.
[0039] The guide sleeve 21 and the guide post 12 are slidably connected.
[0040] The workpiece positioning assembly includes a main body positioning plate 1 and a main body Z-item positioning block. The main body Z-item positioning block is arranged on the bottom plate 22. The main body positioning plate 1 is arranged behind the main body Z-item positioning block. A main body circular positioning column 2 for placing the workpiece C13 is arranged in front of the main body positioning plate 1. A pin guide plate 7 is arranged on the top surface of the main body positioning plate 1. Three pin holes for assembling the workpiece are arranged on the pin guide plate 7, and each pin hole is equipped with a pin for assembling the workpiece; a cylinder limit block 24 for limiting the cylinder D11 is arranged on the top surface of the pin guide plate 7.
[0041] A cylinder E 28 is arranged on the back of the main body positioning plate 1, and a double-hole gasket pusher block 27 is arranged at the front end of the cylinder rod of the cylinder E 28. A through hole is arranged in the central area of the main body positioning plate 1, and a double-hole gasket stopper block 25 for placing the workpiece A4 is arranged on the inner wall of the through hole. The rear end of the workpiece A4 is inserted on the double-hole gasket stopper block 25. The cylinder rod of the cylinder E 28 can be telescopically moved in the through hole arranged in the central area of the main body positioning plate 1.
[0042] The cylinder E 28 is arranged on the main body positioning plate 1 through the cylinder support 29. A cylinder pad 30 is arranged at the connection between the cylinder E 28 and the cylinder support 29.
[0043] A groove for placing the workpiece B6 is also provided at one end of the main positioning plate 1, and a cylinder support plate 26 is also provided on the side of the main positioning plate 1 adjacent to the groove. A cylinder C10 is provided in front of the cylinder support plate 26, and a limiting push block is provided at the front end of the cylinder rod of the cylinder C10 for limiting the workpiece B6.
[0044] The workpiece limiting assembly includes a clamping cylinder pad 31, which is arranged on the base plate 22, and is provided with a cylinder A8 for limiting the workpiece C13 and a cylinder B9 for limiting the workpiece A4; a cylinder A8 is provided on each side of the cylinder B9; a limiting cylinder extension rod 32 is provided at the front end of the cylinder rod of the cylinder A8 and the cylinder B9, and a double-hole gasket forward limiting block 34 is also provided at the front end of the limiting cylinder extension rod 32 provided on the cylinder B9.
[0045] A limit cylinder pad 33 is also arranged below the limit cylinder extension rod 32 arranged on the cylinder B 9. The limit cylinder pad 33 is fixed on the bottom plate 22.
[0046] The punches are provided with three, two of which are used for punching the pins connecting the workpiece A4 and the workpiece C13, and the other is used for punching the pin connecting the workpiece C13 and the workpiece B6.
[0047] During the specific operation, the workpiece A4 is placed on the double-hole gasket stopper 25. The two workpieces C13 are placed on a main body circular positioning column 2 respectively. The workpiece B6 is placed on the groove for placing the workpiece B6 set on the main body positioning plate 1, and the three pin values are placed into the corresponding holes on the pin guide plate 7. The workpiece A4 is placed on the double-hole gasket stopper 25. After manual placement, assembly begins. The limit cylinder extension rods 32 on the two cylinders A 8 move forward to clamp and fix the two workpieces C13; the limit cylinder extension rods 32 of cylinder B 9 move forward to drive the double-hole gasket forward limit block 34 to move forward to limit the forward movement of workpiece A4, and cylinder E 28 drives the double-hole gasket push block 27 to move forward to push workpiece A4 to the corresponding position of the through hole of workpiece 13 and clamp it; cylinder C11 drives its limit push block to clamp and fix workpiece B 6; cylinder D11 drives the cylinder joint and then drives the punch on the punch fixing plate to move downward, press the pin into the position to be assembled, and then the cylinder D11 stops moving when it hits the cylinder limit block 24, and the assembly is completed. Cylinder D11 drives the punch fixing plate 15 to press the punch at the same time, so that the assembly force is even, which can ensure that the force of the three workpieces remains consistent during assembly.
[0048] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.
Claims
1. A fixture for assembling fasteners with bolts at pipeline interfaces, characterized in that: The invention comprises a bottom plate (22); a punching assembly is arranged on the bottom plate (22); a workpiece positioning assembly is arranged between the punching assembly and the bottom plate (22); the workpiece positioning assembly is arranged on the bottom plate (22); a workpiece limiting assembly is arranged in front of the workpiece positioning assembly; the workpiece limiting assembly is arranged on the bottom plate (22); and the workpiece limiting assembly is not arranged below the punching assembly.
2. A fixture for assembling fasteners with bolts at pipe interfaces as claimed in claim 1, characterized in that: The punching assembly comprises a cylinder base plate (20) and a cylinder leg (23); the cylinder base plate (20) is fixed on a base plate (22) via the cylinder leg (23); a cylinder D (11) is arranged on the cylinder base plate (20); a cylinder joint is arranged at the front end of a cylinder rod of the cylinder D (11); the cylinder D (11) is connected to a punch fixing plate (15) via the cylinder joint; and a punch is arranged on the bottom surface of the punch fixing plate (15).
3. The assembly jig for bolted fasteners at pipeline interfaces as claimed in claim 1 is characterized in that: The workpiece positioning assembly comprises a main body positioning plate (1) and a main body Z-position positioning block, wherein the main body Z-position positioning block is arranged on a bottom plate (22), the main body positioning plate (1) is arranged behind the main body Z-position positioning block, a main body circular positioning column (2) for placing a workpiece C (13) is arranged on the front of the main body positioning plate (1), a pin guide plate (7) is arranged on the top surface of the main body positioning plate (1), three pin holes for assembling the workpiece are arranged on the pin guide plate (7), and each pin hole is equipped with a pin for assembling the workpiece; and a cylinder limiting block (24) for limiting the cylinder D (11) is arranged on the top surface of the pin guide plate (7).
4. The assembly jig for bolted fasteners at pipeline interfaces as claimed in claim 1, characterized in that: The workpiece limiting assembly comprises a clamping cylinder pad (31), the clamping cylinder pad (31) being arranged on a bottom plate (22), a cylinder A (8) for limiting the workpiece C (13) and a cylinder B (9) for limiting the workpiece A (4) being arranged on the clamping cylinder pad (31); a cylinder A (8) being arranged on each side of the cylinder B (9); a limiting cylinder extension rod (32) being arranged at the front end of the cylinder rods of the cylinders A (8) and B (9); and a double-hole gasket forward limiting block (34) being arranged at the front end of the limiting cylinder extension rod (32) arranged on the cylinder B (9).
5. The assembly jig for bolting fasteners at pipeline interfaces as claimed in claim 2 is characterized in that: The cylinder bottom plate (20) is provided with a plurality of through holes, on which guide sleeves (21) are arranged, a punch back plate (17) is arranged on the top surface of the punch fixing plate (15), and a plurality of guide pillars (12) are fixedly arranged on the punch back plate (17), and the guide pillars (12) extend through the through holes on the cylinder bottom plate (20).
6. The assembly jig for bolted fasteners at pipeline interfaces as claimed in claim 3, characterized in that: A cylinder E (28) is arranged on the back of the main body positioning plate (1), a double-hole gasket pushing block (27) is arranged at the front end of the cylinder rod of the cylinder E (28), a through hole is arranged in the central area of the main body positioning plate (1), a double-hole gasket limiting block (25) for placing the workpiece A (4) is arranged on the inner wall of the through hole, and the rear end of the workpiece A (4) is inserted into the double-hole gasket limiting block (25).
7. The assembly jig for bolted fasteners at pipeline interfaces as claimed in claim 3, characterized in that: A groove for placing the workpiece B (6) is also provided at one end of the main body positioning plate (1), and a cylinder support plate (26) is also provided on one side of the main body positioning plate (1) adjacent to the groove. A cylinder C (10) is provided in front of the cylinder support plate (26), and a limiting push block is provided at the front end of the cylinder rod of the cylinder C (10) for limiting the workpiece B (6).