Fixture assembling and disassembling tool

Abstract

The utility model belongs to the technical field of clamp assembling and disassembling, and discloses a clamp assembling and disassembling tool. The fixture assembling and disassembling tool comprises a rotating shaft, a clamping assembly, a rotating assembly and a clamping assembly. The clamping assembly comprises a clamping piece, the clamping piece is connected to the rotating shaft, the rotating assembly is arranged on the rotating shaft in a sliding mode, a tooth groove is formed in the rotating assembly, and when the rotating assembly rotates in the first direction, the clamp assembling and disassembling tool is in the rotating stroke increasing state; when the rotating assembly rotates in the second direction, the tooth groove abuts against the clamping piece and drives the clamping piece to rotate so as to drive the rotating shaft to rotate, and the clamp assembling and disassembling tool is in the clamp assembling and disassembling state. The clamping assembly is used for being matched with the knob. When the clamp dismounting tool is used for mounting or dismounting a sample on the clamp, the clamp dismounting tool does not need to be frequently dismounted and mounted, time and labor are saved, and the clamp mounting and dismounting efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of fixture loading and unloading, in particular to a fixture loading and unloading tool. Background Art

[0002] The mechanical property test (tensile test) of metal materials is mainly achieved by electronic universal testing machines. When using the electronic universal testing machine, the specimen needs to be clamped by a fixture. To tighten the specimen, the knobs at both ends of the fixture need to be turned so that the two clamping surfaces of the fixture are close to each other to clamp the specimen.

[0003] In the prior art, since the knob cannot be easily turned, it is necessary to use the hole on the knob to cooperate with the hexagonal screwdriver to turn the knob to clamp or remove the sample. When the hexagonal screwdriver acts on the knob to turn the knob, the hexagonal screwdriver needs to be frequently removed and installed on the knob to adjust the rotation angle of the knob, which is time-consuming and laborious; and since the initial clamping force is small, the sample is prone to slipping during the stretching process. After the sample breaks, it is also impossible to easily loosen the clamp to remove the sample, and the sample loading and unloading efficiency is low. Utility Model Content

[0004] The utility model aims to provide a fixture loading and unloading tool to solve the problems of time-consuming and labor-intensive clamping of a specimen by a fixture and low specimen loading and unloading efficiency during a tensile test.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A fixture disassembly tool is provided, which is used to cooperate with a knob on the fixture to clamp or loosen the sample on the fixture. The fixture disassembly tool comprises:

[0007] Rotating shaft;

[0008] A clamping assembly, comprising a clamping member, wherein the clamping member is connected to the rotating shaft;

[0009] A rotating assembly, wherein the rotating assembly is slidably arranged on the rotating shaft, and a tooth groove is arranged in the rotating assembly. When the rotating assembly rotates along a first direction, the fixture loading and unloading tool is in a state of increasing the rotation stroke; when the rotating assembly rotates along a second direction, the tooth groove abuts against the clamping member and drives the clamping member to rotate so as to drive the rotating shaft to rotate, and the fixture loading and unloading tool is in a fixture loading and unloading state; the first direction and the second direction are opposite;

[0010] A clamping assembly, the rotating shaft is connected to the clamping assembly, the rotation of the rotating shaft can drive the clamping assembly to rotate, and the clamping assembly is used to cooperate with the knob.

[0011] Preferably, the snap-on assembly further comprises an elastic member, the snap-on member is provided with a placement groove for placing the elastic member, the elastic member is placed in the placement groove, when the rotating assembly rotates along the second direction, the elastic member is deformed; the elastic member restores the deformation to reset the rotating assembly.

[0012] Preferably, the rotating assembly comprises a shell, the shell is sleeved on the rotating shaft, and the tooth groove is arranged on the inner wall of the shell.

[0013] Preferably, the rotating assembly further comprises a gripping portion, and the gripping portion is connected to the housing.

[0014] Preferably, the fixture loading and unloading tool further includes a covering member, which is arranged on the rotating shaft. The rotating assembly further includes a sliding member, a groove is arranged in the outer shell, the sliding member is placed in the groove, and the sliding member abuts against the covering member.

[0015] Preferably, the clamping member has a first abutting surface, the tooth groove has a second abutting surface, and the first abutting surface abuts against the second abutting surface.

[0016] Preferably, the clamping assembly includes a first clamping member and a second clamping member, and in the axial direction of the rotating shaft, the first clamping member and the second clamping member are respectively located on both sides of the rotating shaft; when the first clamping member is working, the clamp loading and unloading tool is used to rotate the knob to clamp the sample; when the second clamping member is working, the clamp loading and unloading tool is used to rotate the knob to loosen the sample.

[0017] Preferably, a rotating shaft groove is provided on one side of the first clamping member and the second clamping member close to the rotating shaft, and the rotating shaft is inserted into the rotating shaft groove.

[0018] Preferably, a knob groove is provided on one side of the first clamping member and the second clamping member away from the rotating shaft, and the knob groove is adapted to the knob for clamping the knob.

[0019] Preferably, a slide groove is provided in the circumferential direction of the rotating shaft, and the rotating assembly can slide in the slide groove along the first direction or the second direction.

[0020] Beneficial effects of the utility model:

[0021] The fixture assembly and disassembly tool provided by the utility model includes a rotating shaft, a clamping assembly, a rotating assembly and a clamping assembly. The clamping assembly includes a clamping part, which is connected to the rotating shaft. A tooth groove is provided in the rotating assembly. When the rotating assembly rotates along a first direction, the fixture disassembly tool is in a state of increasing the rotation stroke. This state is used to prepare for the subsequent work of rotating the knob, and there is no need to frequently disassemble and install the hexagonal screwdriver on the knob. When the rotating assembly rotates along a second direction, the tooth groove abuts against the clamping part, and drives the clamping part to rotate to drive the rotating shaft to rotate, and the fixture assembly and disassembly tool is in a fixture assembly and disassembly state. The clamping assembly is used to cooperate with the knob so that the fixture assembly and disassembly tool can act on the fixture. Since the extension direction of the tooth groove is fixed, the arrangement of the tooth groove in the clamping part and the rotating assembly ensures that when the fixture disassembly tool rotates along the first direction, the tooth groove does not drive the clamping part to rotate, so that the fixture disassembly tool can increase the rotation stroke; when the fixture disassembly tool rotates along the second direction, the tooth groove drives the clamping part to rotate, thereby driving the rotating shaft to rotate, and the fixture disassembly tool can rotate the knob on the fixture to clamp or loosen the specimen on the fixture. When installing or removing the specimen on the fixture, the fixture disassembly tool does not need to frequently disassemble the fixture disassembly tool, which saves time and effort and has a high efficiency in fixture loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an exploded view of the fixture disassembly tool provided in the embodiment of the utility model;

[0023] Figure 2 It is a structural schematic diagram of a rotating assembly in a fixture disassembly tool provided in an embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the rotating shaft of the clamp disassembly tool provided in the embodiment of the utility model;

[0025] Figure 4 It is a structural schematic diagram of a clamping member of a fixture disassembly tool provided in an embodiment of the utility model;

[0026] Figure 5 yes Figure 4 Enlarged view of part A.

[0027] In the figure:

[0028] 1. Rotating shaft;

[0029] 2. a clamping member; 21. an elastic member; 22. a placement groove; 23. a first abutting surface;

[0030] 3. Rotating assembly; 31. Tooth groove; 311. Second abutting surface; 32. Housing; 321. Groove; 33. Grip portion; 34. Sliding member;

[0031] 4. Clamping assembly; 41. First clamping member; 42. Second clamping member; 43. Rotating shaft slot; 44. Knob slot;

[0032] 5. Covering member; 6. First connecting member; 7. Second connecting member. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0037] like Figures 1 to 5 As shown, this embodiment provides a fixture loading and unloading tool, which is used to cooperate with the knob on the fixture to reduce or increase the distance between the two clamping surfaces on the fixture when performing a tensile test on the specimen, so as to clamp or loosen the specimen on the fixture.

[0038] In some embodiments, the fixture loading and unloading tool comprises a rotating shaft 1, a clamping component assembly, a rotating component 3 and a clamping component 4. The clamping component comprises a clamping component 2, which is connected to the rotating shaft 1; the rotating component 3 is slidably arranged on the rotating shaft 1, and a tooth groove 31 is arranged in the rotating component 3. When the rotating component 3 rotates along a first direction, the fixture loading and unloading tool is in a state of increasing the rotation stroke; when the rotating component 3 rotates along a second direction, the tooth groove 31 abuts against the clamping component 2, and drives the clamping component 2 to rotate to drive the rotating shaft 1 to rotate, and the fixture loading and unloading tool is in a fixture loading and unloading state; the first direction and the second direction are opposite; the rotating shaft 1 is connected to the clamping component 4, and the rotation of the rotating shaft 1 can drive the clamping component 4 to rotate, and the clamping component 4 is used to cooperate with the knob. Specifically, the rotating shaft 1 comprises a rotating shaft 1 body and a turntable, and the rotating component 3 is arranged on the turntable.

[0039] The clamping member 2 is connected to the rotating shaft 1, and a tooth groove 31 is provided in the rotating assembly 3. When the rotating assembly 3 rotates in the first direction, the fixture disassembly tool is in a state of increasing the rotation stroke, which is used to prepare for the subsequent work of rotating the knob, and there is no need to frequently disassemble and install the hexagonal screwdriver on the knob. When the rotating assembly 3 rotates in the second direction, the tooth groove 31 abuts against the clamping member 2, and drives the clamping member 2 to rotate to drive the rotating shaft 1 to rotate, and the fixture loading and unloading tool is in a fixture loading and unloading state. The clamping assembly 4 is used to cooperate with the knob so that the fixture loading and unloading tool can act on the fixture. Since the extension direction of the tooth groove 31 is fixed, the arrangement of the tooth groove 31 in the clamping part 2 and the rotating assembly 3 ensures that when the fixture disassembly tool rotates along the first direction, the tooth groove 31 does not drive the clamping part 2 to rotate, so that the fixture disassembly tool can increase the rotation stroke; when the fixture disassembly tool rotates along the second direction, the tooth groove 31 drives the clamping part 2 to rotate, thereby driving the rotating shaft 1 to rotate, and the fixture disassembly tool can rotate the knob on the fixture to clamp or loosen the sample on the fixture. When the fixture disassembly tool is used to install or remove the sample on the fixture, there is no need to frequently disassemble the fixture disassembly tool, which saves time and effort and has a high efficiency in fixture loading and unloading.

[0040] like Figures 2 to 5 As shown, the clamping assembly also includes an elastic member 21. The clamping member 2 is provided with a placement groove 22 for placing the elastic member 21. The elastic member 21 is placed in the placement groove 22. When the rotating assembly 3 rotates along the second direction, the elastic member 21 is deformed; the elastic member 21 restores the deformation to reset the rotating assembly 3.

[0041] Specifically, the clamping member 2 is connected to the rotating shaft 1 through the second connecting member 7, and the second connecting member 7 can be a screw. There are three clamping members 2, and the three clamping members 2 are evenly distributed on the rotating shaft 1 along the circumference of the rotating shaft 1. The arrangement of the three clamping members 2 enables the tooth groove 31 to drive the rotating shaft 1 to rotate more stably through the clamping member 2 when rotating. The elastic member 21 is a spring. When the elastic member 21 is placed in the placement groove 22 of the three clamping members 2, the elastic member 21 does not deform. When the rotating assembly 3 rotates along the second direction, the tooth groove 31 abuts against the clamping member 2, and the clamping member 2 is driven by the tooth groove 31. At this time, the elastic member 21 is deformed by the force of the inner wall of the placement groove 22. The elastic member 21 restores the deformation to reset the rotating assembly 3, preparing for the next rotation of the rotating assembly 3. At the same time, the elastic force of the elastic member 21 to restore the deformation makes the abutment between the clamping member 2 and the tooth groove 31 tighter.

[0042] like Figure 2 As shown, in order to facilitate the arrangement of the tooth groove 31 , the rotating assembly 3 includes a housing 32 , the housing 32 is sleeved on the rotating shaft 1 , and the tooth groove 31 is arranged on the inner wall of the housing 32 .

[0043] In order to facilitate the operator to rotate the rotating assembly 3, the rotating assembly 3 further includes a gripping portion 33, which is connected to the housing 32. The gripping portion 33 is used for the operator to hold, and the gripping portion 33 is a gripping rod, which is used to increase the torque when the rotating assembly 3 is rotated.

[0044] like Figure 1 and Figure 3 As shown, the fixture loading and unloading tool also includes a cover 5, which is arranged on the rotating shaft 1, and the rotating assembly 3 also includes a sliding member 34. A groove 321 is provided in the housing 32, and the sliding member 34 is placed in the groove 321, and the sliding member 34 abuts against the covering member 5. The arrangement of the covering member 5 makes the structures such as the clamping member 2, the elastic member 21, and the tooth groove 31 hidden, thereby improving the aesthetics of the fixture loading and unloading tool. Furthermore, since when the rotating assembly 3 moves along the first direction, the rotating shaft 1 does not rotate therewith, and the covering member 5 does not rotate either, the sliding member 34 is arranged, and the arrangement of the sliding member 34 reduces the friction between the covering member 5 and the rotating assembly 3. Specifically, the sliding member 34 can be a ball. The covering member 5 is fixedly connected to the rotating shaft 1 through a first connecting member 6, and the first connecting member 6 can be a bolt.

[0045] like Figure 2 and Figure 3 As shown, in order to facilitate the abutment between the clamping member 2 and the tooth groove 31 , the clamping member 2 has a first abutting surface 23 , the tooth groove 31 has a second abutting surface 311 , and the first abutting surface 23 abuts against the second abutting surface 311 .

[0046] like Figure 1 and Figure 2As shown, in the fixture loading and unloading tooling of this embodiment, the housing 32 can only rotate with the clamping member 2 when the rotating assembly 3 rotates along the second direction, thereby driving the rotating shaft 1 to rotate. In order to enable the fixture loading and unloading tooling to rotate the knob to clamp the sample and to rotate the knob to loosen the sample, the clamping assembly 4 includes a first clamping member 41 and a second clamping member 42. In the axial direction of the rotating shaft 1, the first clamping member 41 and the second clamping member 42 are respectively located on both sides of the rotating shaft 1; when the first clamping member 41 is working, the fixture loading and unloading tooling is used to rotate the knob to clamp the sample; when the second clamping member 42 is working, the fixture loading and unloading tooling is used to rotate the knob to loosen the sample. It is worth noting that since the rotating assembly 3 can only drive the knob to rotate when it rotates along the second direction, when the first clamping member 41 and the second clamping member 42 act on the knob, the knob rotates in opposite directions.

[0047] In order to facilitate the connection between the first clamping member 41 and the second clamping member 42 and the rotating shaft 1 , a rotating shaft groove 43 is provided on one side of the first clamping member 41 and the second clamping member 42 close to the rotating shaft 1 , and the rotating shaft 1 is inserted into the rotating shaft groove 43 .

[0048] In order to facilitate the first clamping member 41 and the second clamping member 42 to cooperate with the knob on the clamp, the first clamping member 41 and the second clamping member 42 are both provided with a knob groove 44 on one side away from the rotating shaft 1, and the knob groove 44 is adapted to the knob for clamping the knob.

[0049] A slide groove is provided in the circumferential direction of the rotating shaft 1, and the rotating component 3 can slide in the slide groove along the first direction or the second direction. When in use, since the rotating component 3 needs to rotate along the first direction or the second direction, the setting of the slide groove prevents the rotating component 3 from falling off the rotating shaft 1 during the rotation process.

[0050] When the fixture assembly and disassembly tool provided in this embodiment is used, when it is necessary to clamp the sample on the fixture, the first clamping member 41 is engaged with the knob on the fixture, and the sample is clamped. Figure 2 Rotate the rotating assembly 3 in the first direction shown to increase the rotation stroke of the fixture disassembly tool; then rotate the rotating assembly 3 in the first direction shown to increase the rotation stroke of the fixture disassembly tool; Figure 2 The rotating assembly 3 is rotated in the second direction shown, and the tooth groove 31 drives the clamping member 2 to rotate, thereby driving the rotating shaft 1 to rotate. The fixture disassembly tool can rotate the knob on the fixture to reduce the distance between the two clamping surfaces of the fixture, thereby clamping the sample. When it is necessary to loosen the sample on the fixture, the second clamping member 42 is matched with the knob on the fixture, and the sample is clamped. Figure 2 Rotate the rotating assembly 3 in the first direction shown to increase the rotation stroke of the fixture disassembly tool; then rotate the rotating assembly 3 in the first direction shown to increase the rotation stroke of the fixture disassembly tool; Figure 2 The rotating assembly 3 is rotated in the second direction shown, and the housing 32 drives the clamping member 2 to rotate, thereby driving the rotating shaft 1 to rotate. The fixture disassembly tool can rotate the knob on the fixture to increase the distance between the two clamping surfaces of the fixture, thereby clamping the sample.

[0051] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A fixture loading and unloading tool, used to cooperate with a knob on a fixture to clamp or loosen a specimen on the fixture, characterized in that: The fixture loading and unloading tooling comprises: A rotating shaft (1); A clamping assembly, comprising a clamping member (2), wherein the clamping member (2) is connected to the rotating shaft (1); A rotating assembly (3), wherein the rotating assembly (3) is slidably arranged on the rotating shaft (1), and a tooth groove (31) is arranged in the rotating assembly (3). When the rotating assembly (3) rotates in a first direction, the fixture loading and unloading tool is in a state of increasing the rotation stroke; when the rotating assembly (3) rotates in a second direction, the tooth groove (31) abuts against the clamping member (2) and drives the clamping member (2) to rotate so as to drive the rotating shaft (1) to rotate, and the fixture loading and unloading tool is in a fixture loading and unloading state; the first direction and the second direction are opposite; A clamping assembly (4), wherein the rotating shaft (1) is connected to the clamping assembly (4), and the rotation of the rotating shaft (1) can drive the clamping assembly (4) to rotate, and the clamping assembly (4) is used to cooperate with the knob.

2. The fixture handling tool according to claim 1, characterized in that: The clamping assembly further comprises an elastic member (21), the clamping member (2) being provided with a placement groove (22) for placing the elastic member (21), the elastic member (21) being placed in the placement groove (22), and when the rotating assembly (3) rotates along the second direction, the elastic member (21) is deformed; the elastic member (21) recovers its deformation to enable the rotating assembly (3) to be reset.

3. The fixture handling tool according to claim 1, characterized in that: The rotating assembly (3) comprises a housing (32), the housing (32) is sleeved on the rotating shaft (1), and the tooth groove (31) is arranged on the inner wall of the housing (32).

4. The fixture handling tool according to claim 3, characterized in that: The rotating assembly (3) further comprises a gripping portion (33), wherein the gripping portion (33) is connected to the housing (32).

5. The fixture handling tool according to claim 3, characterized in that: The clamp loading and unloading tool also includes a covering member (5), and the covering member (5) is arranged on the rotating shaft (1). The rotating assembly (3) also includes a sliding member (34). A groove (321) is arranged in the outer shell (32), and the sliding member (34) is placed in the groove (321). The sliding member (34) abuts against the covering member (5).

6. The fixture handling tool according to any one of claims 1 to 5, characterized in that: The clamping member (2) has a first abutting surface (23), the tooth groove (31) has a second abutting surface (311), and the first abutting surface (23) abuts against the second abutting surface (311).

7. The fixture handling tool according to any one of claims 1 to 5, characterized in that: The clamping assembly (4) comprises a first clamping member (41) and a second clamping member (42). In the axial direction of the rotating shaft (1), the first clamping member (41) and the second clamping member (42) are respectively located on both sides of the rotating shaft (1); when the first clamping member (41) is working, the clamp loading and unloading tool is used to rotate the knob to clamp the sample; when the second clamping member (42) is working, the clamp loading and unloading tool is used to rotate the knob to loosen the sample.

8. The fixture handling tool according to claim 7, characterized in that: A rotating shaft groove (43) is provided on one side of the first clamping member (41) and the second clamping member (42) close to the rotating shaft (1), and the rotating shaft (1) is inserted into the rotating shaft groove (43).

9. The fixture handling tool according to claim 7, characterized in that: A knob groove (44) is provided on one side of the first clamping member (41) and the second clamping member (42) away from the rotating shaft (1); the knob groove (44) is adapted to the knob and is used to clamp the knob.

10. The fixture handling tool according to any one of claims 1 to 5, characterized in that: A sliding groove is provided in the circumferential direction of the rotating shaft (1), and the rotating assembly (3) can slide in the sliding groove along the first direction or the second direction.

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