Rivet removing device
By designing a rivet removal device that uses a falling hammer to remove rivets from the fixture, the problem of fixture damage caused by low rivet removal efficiency is solved, and the experimental accuracy and fixture lifespan are improved.
Patent Information
- Application Number
- CN202520384709.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-06
AI Technical Summary
In existing technologies, rivets are difficult to remove efficiently after shearing tests, leading to fixture deformation or damage, which affects experimental accuracy and fixture lifespan.
A rivet removal device is designed, including a bracket, a drop hammer, and a clamp. The drop hammer is slidably set in the vertical direction. The rivet is removed from the clamp by impact of the drop hammer, preventing the clamp from deforming or being damaged. It is also equipped with a pin, a limiting post, and a storage box to improve the versatility and convenience of the device.
It achieves efficient rivet removal, prevents fixture deformation or damage, ensures experimental accuracy, and extends the service life of the fixture.
Smart Images
Figure CN223801491U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material mechanical performance test technical field especially relates to rivet removal device. BACKGROUND
[0002] Shear test is the resistance performance under the action of shearing force of material, and is one of basic test methods of material mechanical performance. It is mainly used for testing parts and materials under shearing load, such as aircraft skin and rivets on bridge, pins on machine, etc. Shear test is generally carried out on a universal testing machine, and is a process that the sample is placed on a shear clamp and cut off under the action of shearing load P. There are two kinds of loading forms, single shear and double shear. When single shear, the shearing strength τb=P / A can be obtained by dividing the shearing load P by the sample cross-sectional area A. When double shear loading, τb=P / 2A.
[0003] Due to the influence of test fixture hole precision and rivet size, after single shear test, the rivet is deformed under stress, and part of the deformed rivet after fracture is left in the shear clamp hole. Generally, other irregular objects are used to knock the residual rivet, so that the residual rivet is knocked out. However, this method has low experimental efficiency, and the knocking process can not avoid causing deformation or damage of the shear clamp hole, affecting the accuracy of subsequent experiments, thereby reducing the service life of the clamp.
[0004] Therefore, there is an urgent need for a rivet removal device to solve the above technical problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a rivet removal device, which can smoothly remove the rivet, prevent the clamp from being deformed or damaged, ensure the accuracy of the experiment, and thus increase the service life of the clamp.
[0006] To achieve this purpose, the utility model adopts the following technical solutions:
[0007] A rivet removal device, comprising: a support, a drop hammer and a clamp, the drop hammer is slidably arranged in the vertical direction on the support, the clamp is detachably connected to the support, and the clamp is located directly below the drop hammer, the clamp is provided with a shear hole, a rivet is arranged in the shear hole, and the drop hammer is directly opposite the rivet.
[0008] As a preferred technical solution of the above-mentioned rivet removal device, the rivet removal device further comprises a thimble, and the thimble is threadedly connected with the drop hammer.
[0009] As a preferred technical solution of the above-mentioned rivet removal device, the rivet removal device further comprises a limiting column, the limiting column is arranged on the drop hammer, the support is provided with a first sliding groove, and the limiting column can move along the first sliding groove.
[0010] As an preferred technical scheme of the rivet removing device, the rivet removing device further comprises a limiting piece, the limiting piece is slidingly arranged in the support, the drop hammer is spaced apart from the limiting piece along the vertical direction and is provided with a plurality of limiting holes, and one end of the limiting piece can be inserted into the limiting hole.
[0011] As an preferred technical scheme of the rivet removing device, the support is provided with a second sliding groove, and the limiting piece is slidingly arranged in the second sliding groove.
[0012] As an preferred technical scheme of the rivet removing device, the limiting piece comprises a sliding block and a limiting pin, the sliding block is slidingly arranged in the second sliding groove, the limiting pin is connected to the sliding block, and the limiting pin can be inserted into the limiting hole.
[0013] As an preferred technical scheme of the rivet removing device, the rivet removing device further comprises a storage box, the storage box is slidingly arranged in the support, and the storage box can be arranged directly below the shearing hole.
[0014] As an preferred technical scheme of the rivet removing device, the rivet removing device further comprises a handle, and the handle is connected to the storage box.
[0015] As an preferred technical scheme of the rivet removing device, the support is provided with a third sliding groove, and the storage box is slidingly arranged in the third sliding groove.
[0016] As an preferred technical scheme of the rivet removing device, the support is provided with a first through hole, the first through hole is opposite to the shearing hole, and the rivet can pass through the first through hole and enter the storage box.
[0017] The rivet removing device has the beneficial effects that:
[0018] The utility model provides a rivet removing device. The rivet removing device comprises a support, a drop hammer and a clamp. The drop hammer is slidingly arranged in the support along the vertical direction. The clamp is detachably connected to the support and is located directly below the drop hammer. The clamp is provided with a shearing hole. The rivet is provided with the shearing hole. The drop hammer is opposite to the rivet. The device can remove the rivet in the clamp through the impact of the drop hammer, prevent the deformation or damage of the clamp, ensure the precision of the experiment, and increase the service life of the clamp. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the contents of the embodiments of the present application and these drawings without any creative effort.
[0020] Figure 1 The structure diagram of the rivet removing device provided by the embodiment of the present application is shown in the figure.
[0021] Figure 2 The structure diagram of the drop hammer provided by the embodiment of the present application is shown in the figure.
[0022] In the figure:
[0023] 1, support; 11, first sliding groove; 12, second sliding groove; 13, third sliding groove; 14, first through hole; 15, fourth sliding groove; 2, drop hammer; 21, limiting hole; 22, sliding rod; 23, hammer cap; 3, clamp; 31, shearing hole; 4, thimble; 5, limiting column; 6, limiting piece; 61, sliding block; 62, limiting pin; 7, storage box; 8, handle. DETAILED DESCRIPTION
[0024] The present application will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, not all the structures.
[0025] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0026] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature "under", "below" and "under surface of" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.
[0027] In the description of the embodiment, the orientation or position relationship of the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
[0028] As shown in Figure 1 The utility model provides a rivet removal device. The rivet removal device comprises a support 1, a drop hammer 2 and a clamp 3.
[0029] Specifically, the drop hammer 2 is arranged in the vertical direction on the support 1, the clamp 3 is detachably connected to the support 1, and the clamp 3 is located directly below the drop hammer 2. The clamp 3 is provided with a shearing hole 31, the rivet is arranged in the shearing hole 31, and the drop hammer 2 is opposite to the rivet. The device can remove the rivet in the clamp 3 through the impact of the drop hammer 2, prevent the deformation or damage of the clamp 3, ensure the accuracy of the experiment, and thereby increase the service life of the clamp 3. Further, the support 1 is provided with a second through hole, and the drop hammer 2 is arranged on the hole wall of the second through hole.
[0030] Optionally, the rivet removal device further comprises a thimble 4, the thimble 4 is threadedly connected with the drop hammer 2, the thimble 4 is used for pushing out the residual rivet, and different diameters can be replaced according to the size of the rivet, thereby improving the versatility of the device.
[0031] Optionally, the rivet removal device further comprises a limiting column 5, the limiting column 5 is arranged on the drop hammer 2, the support 1 is provided with a first sliding groove 11, and the limiting column 5 can move along the first sliding groove 11. When the drop hammer 2 slides along the hole wall of the second through hole, the limiting column 5 moves along the first sliding groove 11, so that the drop hammer 2 can be prevented from rotating during the falling process. Further, the limiting column 5 is arranged in the drop hammer 2 in the horizontal direction, and the first sliding groove 11 is communicated with the second through hole.
[0032] Optionally, as shown in Figure 2As shown, the rivet removing device further comprises a limiting piece 6, the limiting piece 6 is slidingly arranged on the support 1, the drop hammer 2 is provided with a plurality of limiting holes 21 in the vertical direction, one end of the limiting piece 6 can be inserted into the limiting hole 21, so that the drop hammer 2 can be adjusted to different heights according to the rivet condition and fixed.
[0033] Optionally, the support 1 is provided with a second sliding groove 12, the limiting piece 6 is slidingly arranged in the second sliding groove 12, so as to realize the fixing and releasing of the drop hammer 2.
[0034] Optionally, the limiting piece 6 comprises a sliding block 61 and a limiting pin 62, the sliding block 61 is slidingly arranged in the second sliding groove 12, the limiting pin 62 is connected to the sliding block 61, and the limiting pin 62 can be inserted into the limiting hole 21. Specifically, the sliding block 61 is fixedly connected with the limiting pin 62, when the drop hammer 2 needs to be fixed, the sliding block 61 is pushed to make the limiting pin 62 inserted into the limiting hole 21, so that the drop hammer 2 can be fixed and prevented from freely falling; when the drop hammer 2 needs to be released, the sliding block 61 is pushed to make the limiting pin 62 moved out of the limiting hole 21, and the free fall of the drop hammer 2 can exit the residual rivet in the clamp 3 without damaging the clamp 3.
[0035] Optionally, the rivet removing device further comprises a storage box 7, the storage box 7 is slidingly arranged on the support 1, and the storage box 7 can be arranged directly below the shearing hole 31, so as to collect the falling rivets.
[0036] Optionally, the rivet removing device further comprises a handle 8, the handle 8 is connected to the storage box 7, so as to facilitate the movement of the storage box 7.
[0037] Further, the support 1 is provided with a third sliding groove 13, the storage box 7 is slidingly arranged in the third sliding groove 13, the worker can push the storage box 7 into the third sliding groove 13 through the handle 8, so that the rivet falls into the storage box 7, and the worker can move the storage box 7 out of the third sliding groove 13 through the handle 8, so as to clean the rivets in the storage box 7.
[0038] Optionally, the support 1 is provided with a first through hole 14, the first through hole 14 is opposite to the shearing hole 31, and the rivet can pass through the first through hole 14 to enter the storage box 7. Specifically, the support 1 is provided with a fourth sliding groove 15, the clamp 3 can be slidingly arranged in the fourth sliding groove 15, the bottom of the fourth sliding groove 15 is provided with the first through hole 14, the first through hole 14 is located below the shearing hole 31 and opposite to the shearing hole 31, and the first through hole 14 is communicated with the third sliding groove 13, so as to make the rivet directly fall into the storage box 7, and realize automatic collection when the residual rivet is exited.
[0039] Optionally, the falling hammer 2 comprises a slide rod 22 and a hammer cap 23, the slide rod 22 is fixedly connected with the hammer cap 23, the slide rod 22 is arranged on the hole wall of the second through hole, the hammer cap 23 is arranged on the top of the slide rod 22, the hammer cap 23 can abut against the support 1, the slide rod 22 can be prevented from falling excessively, the punch pin 4 can be prevented from impacting the receiving box 7, meanwhile, the slide rod 22 can be prevented from impacting the shearing hole 31, and the shearing hole 31 can be prevented from being deformed or damaged.
[0040] The utility model provides a rivet removal device, the use process of the device is as follows:
[0041] First step: according to the shearing hole 31 hole size of clamp 3 selects installation punch 4, rotates installation punch 4 in slide rod 22, and hammer cap 23 is pulled up to a certain height, and the limiting pin 62 is inserted into the limiting hole 21, so that the falling hammer 2 is fixed.
[0042] Second step: push the clamp 3 into the fourth sliding groove 15, so that the shearing hole 31 is opposite to the first through hole 14.
[0043] Third step: the limiting pin 62 is moved out of the limiting hole 21, and the hammer is free falling, so that the residual rivet is pushed out.
[0044] Fourth step: the residual rivet is pushed out and falls into the receiving box 7.
[0045] Fifth step: the receiving box 7 can be moved out of the third sliding groove 13 through the handle 8, and the rivet in the receiving box 7 can be cleaned.
[0046] In addition, the above is only the preferred embodiment of the utility model and the technical principle applied. The person skilled in the art can understand that the utility model is not limited to the specific embodiments described herein, and various obvious changes, re-adjustments and substitutions can be carried out without departing from the protection scope of the utility model for the person skilled in the art. Therefore, although the utility model is more specifically described through the above embodiments, the utility model is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the utility model concept, and the scope of the utility model is determined by the appended claims.
Claims
1. A rivet removal device, characterized by, The rivet removing device comprises a support (1), a drop hammer (2) and a clamp (3), the drop hammer (2) is arranged on the support (1) in a vertical direction, the clamp (3) is detachably connected to the support (1), and the clamp (3) is located directly below the drop hammer (2), the clamp (3) is provided with a shearing hole (31), a rivet is arranged in the shearing hole (31), and the drop hammer (2) is opposite to the rivet. The rivet removing device further comprises a thimble (4), and the thimble (4) is threadedly connected with the drop hammer (2).
2. A rivet removal device according to claim 1, wherein The rivet removing device further comprises a limiting column (5), and the limiting column (5) is arranged on the drop hammer (2).
3. A rivet removal device according to claim 1, wherein The support (1) is provided with a first sliding groove (11), and the limiting column (5) can move along the first sliding groove (11).
4. A rivet removal device according to claim 1, wherein The support (1) is provided with a second sliding groove (12), and the limiting member (6) is slidably arranged in the second sliding groove (12).
5. A rivet removal device according to claim 4, wherein The limiting member (6) comprises a sliding block (61) and a limiting pin (62), the sliding block (61) is slidably arranged in the second sliding groove (12), and the limiting pin (62) is connected to the sliding block (61).
6. A rivet removal device according to claim 5, wherein, The rivet removing device further comprises a receiving box (7), and the receiving box (7) is slidably arranged in the support (1).
7. A rivet removal device according to claim 1, wherein The rivet removing device further comprises a handle (8), and the handle (8) is connected to the receiving box (7).
8. A rivet removal device according to claim 7, wherein, The support (1) is provided with a third sliding groove (13), and the receiving box (7) is slidably arranged in the third sliding groove (13).
9. A rivet removal device according to claim 7, wherein The support (1) is provided with a first through hole (14), the first through hole (14) is opposite to the shearing hole (31), and the rivet can pass through the first through hole (14) and enter the receiving box (7).
10. A rivet removal device according to claim 9, wherein