Equipment capable of being conveniently matched with pressing rivet machining of heavy part

The riveting mechanism driven by the gantry and travel hanger solves the problem of frequent workpiece movement in the traditional riveting process and realizes efficient riveting processing of large-sized and heavy workpieces.

CN223441014UActive Publication Date: 2025-10-17LINGYUN INDAL CORP +1
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Patent Information

Application Number
CN202422491439.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-10-17
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

In the traditional riveting process, the fixed mold leads to frequent movement of large and heavy workpieces, low work efficiency, and difficulty in efficient processing.

Method used

The gantry and travel hanger are combined with a riveting mechanism. The guide rail and cylinder drive the riveting mechanism to move laterally along the guide rail. The riveting is achieved by combining air pressure to avoid frequent movement of the workpiece.

Benefits of technology

It improves the convenience of riveting processing of large-sized and heavy workpieces, reduces the frequency of workpiece movement, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of auxiliary equipment for automobile part machining, and particularly relates to equipment capable of being matched with heavy parts for press riveting machining conveniently. The riveting device comprises a portal frame, a stroke lifting appliance, a riveting mechanism and a positioning pressing plate, a guide rail is arranged on a cross beam of the portal frame, a guide block matched with the guide rail is arranged on the guide rail, the top end of the stroke lifting appliance is fixedly connected with the guide block, the bottom end of the stroke lifting appliance is connected with the riveting mechanism, and the stroke lifting appliance can transversely move in the direction of the guide rail. The stroke lifting appliance drives the rivet pressing mechanism to ascend and descend, a workbench is arranged below the portal frame, the workpiece to be machined is placed on the workbench, and the positioning pressing plate presses the workpiece to be machined on the rivet pressing mechanism. And the position of the rivet pressing mechanism is arranged to be an adjustable mechanism, so that movement of large-size and heavy workpieces can be effectively reduced, and the convenience of rivet pressing is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of auxiliary equipment for automobile parts machining, especially a device facilitating heavy component press riveting machining. BACKGROUND

[0002] Press riveting is a process of fixed die, commonly used for fixing studs or other fasteners on sheet materials such as iron sheet and aluminum sheet which cannot be welded. Its principle is to make a specific part of the fastener (such as press riveting nut, press riveting bolt, etc.) embossed tooth press into the pre-set hole of the sheet material by pressure, and then fix the die to make the plastic deformation of the hole periphery, and the deformation is extruded into the guide groove or specific structure of the fastener, so that the press riveting nut is embedded in the sheet material, thereby realizing the locking of the hole and the press riveting nut.

[0003] The traditional press riveting process cannot continuously press rivet because the die is fixed, and can only press rivet one hole of one workpiece at a time. When processing large-size and heavy workpieces, the workpiece needs to be frequently moved to align with the die hole. Even when processing adjacent holes of the same workpiece, the workpiece also needs to be moved again, which is very inconvenient and has very low work efficiency. SUMMARY

[0004] The utility model provides a device facilitating heavy component press riveting machining, which can effectively reduce the movement of large-size and heavy workpieces and improve the convenience of press riveting.

[0005] The utility model solves the above technical problems through the following technical scheme,

[0006] A device facilitating heavy component press riveting machining, comprising a portal frame, a stroke hoist, a press riveting mechanism, and a positioning press plate, wherein the crossbeam of the portal frame is provided with a guide rail, the guide rail is provided with a guide block matched therewith, the top end of the stroke hoist is fixedly connected with the guide block, the bottom end of the stroke hoist is connected with the press riveting mechanism, the stroke hoist can move transversely along the direction of the guide rail, the stroke hoist drives the press riveting mechanism to ascend and descend, a workbench is arranged below the portal frame, the workpiece to be processed is placed on the workbench, and the positioning press plate presses the workpiece to be processed on the press riveting mechanism.

[0007] The device facilitating heavy component press riveting machining, wherein the press riveting mechanism comprises a first air cylinder, a second air cylinder, a base, a male die, a female die, and a press plate, the base is fixedly connected with the lifting end of the stroke hoist, the first air cylinder and the second air cylinder are fixed on the base, the cylinder rods of the first air cylinder and the second air cylinder are respectively connected with the male die and the positioning press plate, the male die is above the female die, the male die and the female die are arranged in a matched mode, the first air cylinder drives the male die to ascend and descend towards the female die, and the positioning press plate is arranged between the female die and the male die.

[0008] The stroke lifting appliance comprises a fixed plate, a sliding rail, a sliding block, a steel wire rope and a balancer, the fixed plate is longitudinally arranged, the sliding rail is arranged in the middle of the fixed plate, the sliding block is arranged in matching with the sliding rail, the balancer is arranged on the cross beam, the movable end of the balancer is connected with the top of the sliding block through the steel wire rope, and the bottom of the sliding block is connected with the base.

[0009] The stroke lifting appliance further comprises a clamping block, the clamping block is clamped on the two sides of the cross beam, a guide block is arranged in the middle of the clamping block, the side wall of the clamping block is fixedly connected with the sliding rail, and the clamping block moves reciprocally on the cross beam.

[0010] Compared with the prior art, the position of the press riveting mechanism is arranged as an adjustable mechanism, the press riveting mechanism moves laterally along the guide rail of the portal frame, and the longitudinal position of the stroke lifting appliance is adjusted to meet the processing position requirement of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is a structural schematic view of the utility model;

[0012] Fig. 2 is a structural schematic view of the utility model when working;

[0013] Fig. 3 is a structural schematic view of the press riveting mechanism;

[0014] Fig. 4 is a structural schematic view of the press riveting mechanism when working;

[0015] The marks in the drawings represent: 1. portal frame, 2. stroke lifting appliance, 3. press riveting mechanism, 4. positioning pressing plate, 5. guide rail, 6. guide block, 7. first air cylinder, 8. second air cylinder, 9. base, 10. male die, 11. female die, 13. fixed plate, 14. sliding rail, 15. sliding block, 16. steel wire rope, 17. balancer, 18. clamping block, 19. operating handrail. DETAILED DESCRIPTION

[0016] The specific implementation of the utility model will be further described in detail in combination with the drawings and examples. The following examples are used to illustrate the utility model.

[0017] As Figs. 1 to 4As shown, the utility model of progress hoist 2, the press riveting mechanism 3 and the positioning pressing plate 4 are arranged on the gantry 1, the crossbeam of gantry 1 is equipped with guide rail 5, and there is guide block 6 matched with it on guide rail 5, the top of progress hoist 2 is fixedly connected with guide block 6, the bottom of progress hoist 2 is connected with press riveting mechanism 3, progress hoist 2 can move laterally along the direction of guide rail 5, and progress hoist 2 drives press riveting mechanism 3 to lift, the workbench is arranged below gantry 1, the workpiece to be processed is placed on the workbench, and positioning pressing plate 4 presses the workpiece to be processed on press riveting mechanism 3. Through the above-mentioned setting, press riveting mechanism 3 is hoisted on gantry 1, and the heavy workpiece is fixed on the workbench, press riveting mechanism 3 can move laterally along guide rail 5 on the crossbeam, and progress hoist 2 can drive press riveting mechanism 3 to move longitudinally, so that the frequent movement of the heavy workpiece can be reduced, and the convenience of work is improved.

[0018] Further, in order to facilitate the press riveting mechanism 3 to press rivet the prefabricated hole in the cavity, the press riveting mechanism 3 comprises a first cylinder 7, a second cylinder, a base 9, a male die 10 and a female die 11, the base 9 is fixedly connected with the lifting end of the progress hoist 2, the first cylinder 7 and the second cylinder are fixed on the base 9, the cylinder rods of the first cylinder 7 and the second cylinder are connected with the male die 10 and the positioning pressing plate 4 respectively, the bottom of the base 9 is provided with a lifting platform, and the female die 11 is arranged on the lifting platform; the male die 10 is above the female die 11, the male die 10 and the female die 11 are matched, the first cylinder 7 drives the male die 10 to lift towards the female die 11, and the positioning pressing plate 4 is arranged between the female die 11 and the male die 10. The press rivet is placed in the female die 11, then the lifting platform is stretched into the workpiece cavity, the lifting platform is lifted, the press nut enters the prefabricated hole, the second cylinder acts to clamp the positioning pressing plate 4 beside the prefabricated hole of the workpiece, the first cylinder 7 acts, the male die 10 is pressed down, the deformation around the prefabricated hole is generated, the press nut is tightly held, and the press riveting work is completed.

[0019] In order to realize the lifting of the lifting platform on the base 9, the progress hoist 2 comprises a fixed plate 13, a sliding rail 14, a sliding block 15, a steel wire rope 16 and a balancer 17, the fixed plate 13 is longitudinally arranged, the sliding rail 14 is arranged in the middle of the fixed plate 13, the sliding block 15 is matched with the sliding rail 14, the balancer 17 is arranged on the crossbeam, the movable end of the balancer 17 is connected with the top of the sliding block 15 through the steel wire rope 16, and the bottom of the sliding block 15 is connected with the base 9. After the balancer 17 is retracted and drives the sliding block 15 to ascend to a suitable position along the sliding rail 14, the balancer 17 is locked. The lifting platform can be kept at a suitable position. In use, the rivet is placed in the female die 11, then the lifting platform is stretched into the workpiece cavity, the lifting platform is lifted in the cavity, the rivet in the female die 11 is stretched out of the prefabricated hole, and the male die 10 is pressed down. The balancer 17 adopts a commercially available spring balancer with self-locking function.

[0020] In order to improve the stability of the device, part of the weight of the rivet pressing mechanism 3 is borne by the cross beam, and a clamping block 18 is also provided, which is clamped on the top of the two sides of the cross beam, reciprocally moves on the cross beam, and the side wall of the clamping block 18 is fixedly connected with the sliding rail 14, and the guide block 6 is arranged in the middle of the clamping block 18; the clamping block 18 bears the gravity of the rivet pressing mechanism 3, and the guide block 6 guides the moving direction of the rivet pressing mechanism 3. Since the device is manually controlled in direction, in order to facilitate operation, an operation handrail 19 is arranged on the side of the base 9.

[0021] The working process is as follows: when batch processing of fixed models of workpieces is performed, the position of the clamping block 18 on the cross beam is adjusted, so that the rivet pressing mechanism 3 is located near the workbench, then the position of the sliding block 15 on the sliding rail 14 is adjusted, so that the rivet pressing mechanism 3 is leveled with the horizontal position of the workpiece to be riveted, after the workpiece to be riveted reaches the workbench, the rivet screw is placed in the concave die 11, then the lifting table is pushed into the cavity of the workpiece, so that the rivet screw is aligned with the preformed hole, the base 9 is manually lifted upward, then the balancer 17 lifts the lifting table, the concave die 11 rises to make the rivet nut enter the preformed hole, then the positioning pressing plate 4 is pressed on the workpiece by the action of the second air cylinder, so as to fix the positions of the concave die 11, the rivet nut and the preformed hole, then the first air cylinder 7 acts, the convex die 10 is pressed downward, the metal at the edge of the preformed hole is deformed to tightly hold the rivet nut. Then reverse action, the workpiece can be removed.

[0022] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection range of the present application.

Claims

1. A device that is convenient for matching heavy parts riveting processing, characterized in that: It comprises a gantry (1), a travel hanger (2), a riveting mechanism (3), and a positioning pressure plate (4); a guide rail (5) is provided on the crossbeam of the gantry (1); a guide block (6) is provided on the guide rail (5); the top end of the travel hanger (2) is fixedly connected to the guide block (6); the bottom end of the travel hanger (2) is connected to the riveting mechanism (3); the travel hanger (2) can move laterally along the direction of the guide rail (5); the travel hanger (2) drives the riveting mechanism (3) to rise and fall; a workbench is provided under the gantry (1); a workpiece to be processed is placed on the workbench; the positioning pressure plate (4) presses the workpiece to be processed onto the riveting mechanism (3).

2. The device for facilitating the riveting process of heavy parts according to claim 1, characterized in that: The riveting mechanism (3) includes a first cylinder (7), a second cylinder, a base (9), a punch (10), a die (11) and a pressure plate, wherein the base (9) is fixedly connected to the lifting end of the travel hanger (2), the first cylinder (7) and the second cylinder are fixed on the base (9), the cylinder rods of the first cylinder (7) and the second cylinder are respectively connected to the punch (10) and the positioning pressure plate (4), the punch (10) is above the die (11), the punch (10) and the die (11) are matched, the first cylinder (7) drives the punch (10) to rise and fall toward the die (11), and the positioning pressure plate (4) is arranged between the die (11) and the punch (10).

3. The device for facilitating the riveting process of heavy parts according to claim 2, characterized in that: The travel spreader (2) includes A fixed plate (13), a slide rail (14), a slider (15), a steel wire rope (16) and a balancer (17), wherein the fixed plate (13) is arranged longitudinally, the slide rail (14) is opened in the middle of the fixed plate (13), the slider (15) is matched with the slide rail (14), and the balancer (17) is arranged on the crossbeam, and the movable end of the balancer (17) is connected to the top of the slider (15) through the steel wire rope (16), and the bottom of the slider (15) is connected to the base (9).

4. The device for facilitating the riveting process of heavy parts according to claim 3, characterized in that: A clamping block (18) is also provided, the top of the clamping block (18) is clamped on both sides of the cross beam, a guide block (6) is provided in the middle of the clamping block (18), the side wall of the clamping block (18) is fixedly connected to the slide rail (14), and the clamping block (18) moves back and forth on the cross beam; an operating handrail (19) is provided on the side of the base (9).