CN220912831U - Cutter pulling force test fixture - Google Patents

Abstract

The utility model discloses a cutter tension test fixture, which relates to the technical field of tension tests and comprises a fixture and a tension test machine, wherein the fixture is arranged in the tension test machine and comprises a cutter handle fixture and a blade fixture, the upper end of the cutter handle fixture is connected with a connecting mechanism through a connecting bolt, one end of the connecting mechanism is connected with the tension test machine, a cutter handle groove is formed in the cutter handle fixture, blade slots are formed in the lower part and the side wall of the cutter handle groove, a blade groove is formed in the blade fixture, a soft rubber pad is arranged on the inner side wall of the blade groove, an air cylinder is arranged on the outer side wall of the blade fixture, a movable plate is connected with the output end of the air cylinder, the soft rubber pad is arranged on the movable plate, a fixed base is arranged at the lower end of the blade fixture, and the fixed base is connected with the tension test machine; the problems that the distribution of clamping force is uneven, the accuracy of a test result is affected, and good adaptability cannot be provided for tool handles of different shapes and sizes, the operation of adjusting or replacing a clamp is complex, and the production efficiency is low are solved.

Description

Cutter pulling force test fixture

Technical Field

The utility model relates to the technical field of tensile testing, in particular to a cutter tensile testing clamp.

Background

The cutter comprises a blade and a cutter handle, the cutter handle is generally formed by welding two half symmetrical cutter handles in cutter production, the blade and the cutter handle are welded and polished to form the cutter, and before a finished cutter leaves a factory, the cutter is required to be subjected to tensile test, so that whether the tensile strength of the cutter meets the standard requirement is tested.

In chinese patent CN2804852Y, a tensile strength tester for tableware, kitchen ware and knife is disclosed, the clamp adopts upper and lower clamps, respectively clamping the blade and knife handle, then manually adjusting the distance between the clamps, and performing tensile test; the upper clamp and the lower clamp are in a mode that clamping force is not uniformly distributed, the force applied by the clamp on one side is inconsistent with the force applied by the clamp on the other side, so that the accuracy of a test result is affected, the clamp cannot provide good suitability for tool shanks with different shapes and sizes, the clamp adjustment or replacement operation is complex, and the production efficiency is low.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the cutter tension testing clamp which solves the problems that the distribution of clamping force is uneven, the accuracy of a testing result is affected, good adaptability cannot be provided for cutter handles with different shapes and sizes, the operation of adjusting or replacing a clamp is complex, and the production efficiency is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tool tension test fixture comprises a fixture and a tension tester, wherein the fixture is arranged in the tension tester, and comprises a tool handle fixture and a blade fixture;

the upper end of the knife handle clamp is connected with the connecting mechanism through a connecting bolt, one end of the connecting mechanism is connected with the tensile testing machine, a knife handle groove is formed in the knife handle clamp, and blade slits are formed in the lower portion and the side wall of the knife handle groove;

The utility model discloses a blade fixture, including blade fixture, fixed base, the blade fixture is last to be seted up the blade recess, be equipped with the soft rubber mat on the inside wall of blade recess, be equipped with the cylinder on the lateral wall of blade fixture, the output of cylinder is connected with the movable plate, be equipped with the soft rubber mat on the movable plate, the lower extreme of blade fixture is equipped with unable adjustment base, unable adjustment base is connected with the tensile testing machine.

Further, the upper end of handle of a knife anchor clamps is equipped with the recess, run through on the front and back lateral wall at recess place and be equipped with the round hole, connecting bolt passes through the round hole with handle of a knife anchor clamps through the bolt and is connected.

Further, the soft rubber pad is made of polyurethane, and anti-skid patterns are arranged on the soft rubber pad.

Further, the lower extreme of blade anchor clamps is equipped with cylindrical boss, cylindrical boss lateral wall runs through and is equipped with the round hole.

Further, the top surface of unable adjustment base is equipped with the cylinder boss, the cylinder boss lateral wall runs through and is equipped with the round hole, the cylinder boss cup joints in the cylinder boss, runs through the round hole through the bolt and connects.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. In the utility model, the clamp adopts the combination of the knife handle clamp and the blade clamp, and the stable installation of the clamp is realized through the design of the connecting bolt and the connecting mechanism. Grooves and gaps on the knife handle clamp and the blade clamp can be adapted to cutters with different shapes and sizes, so that clamping force is ensured to be uniformly distributed in a clamping area, and the accuracy of a test result is improved;

2. compared with the complex operation of adjusting the distance of clamping jaws or replacing clamps in the prior art, the novel clamp scheme has the advantages that the connection and the fixation of the novel clamp scheme adopt simple and convenient modes such as bolts, bolts and the like, so that the operation flow is simplified, and the production efficiency is improved;

3. According to the utility model, the inner side wall of the blade groove on the blade clamp is provided with the soft rubber pad, so that the effects of buffering and protecting the blade can be achieved, the damage of the cutter is avoided, the soft rubber pad is made of polyurethane, and the surface of the soft rubber pad is provided with anti-skid patterns, so that better clamping and anti-skid effects are provided, and the stability and accuracy of the testing process are ensured.

Drawings

FIG. 1 is a schematic perspective view of a tool pull test fixture according to the present utility model;

In the figure: the tool comprises a clamp 1, a tool handle clamp 11, a blade clamp 12, a connecting bolt 2, a connecting mechanism 3, a tool handle groove 4, a blade slit 5, a blade groove 6, a soft rubber pad 7, an air cylinder 8, a moving plate 9 and a fixed base 10.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a tool tension test fixture in the present embodiment includes a fixture 1 and a tension tester, the fixture 1 is installed in the tension tester, wherein the fixture 1 includes a shank fixture 11 and a blade fixture 12; the upper end of the tool shank clamp 11 is connected with the connecting mechanism 3 through the connecting bolt 2, one end of the connecting mechanism 2 is connected with the tensile testing machine, the tool shank clamp 11 is provided with a tool shank groove 4, and the lower part and the side wall of the tool shank groove 4 are provided with blade slits 5; the blade clamp 12 is provided with a blade groove 6, the inner side wall of the blade groove 6 is provided with a soft rubber pad 7, the outer side wall of the blade clamp 12 is provided with an air cylinder 8, the output end of the air cylinder 8 is connected with a moving plate 9, the moving plate 9 is provided with the soft rubber pad 7, the lower end of the blade clamp 12 is provided with a fixed base 10, and the fixed base 10 is connected with a tensile testing machine;

It should be noted that, the shank groove 4 of the shank clamp 11 is used for placing the shank of the finished tool, the blade thereof passes through the blade slot 5, the blade groove 6 of the blade clamp 12 is used for placing the blade passing through the blade slot 5 and is clamped and fixed by the air cylinder 8, wherein the specific power of the air cylinder 8 is derived from compressed air.

In the embodiment, a groove is arranged at the upper end of the tool handle clamp 11, round holes are formed in the front side wall and the rear side wall of the groove in a penetrating mode, and the connecting bolt 2 is connected with the tool handle clamp 11 through a bolt penetrating round hole;

It should be noted that, the upper end of the tool holder clamp 11 is connected with the bolt of the connecting bolt 2, and can swing around the bolt, so that a tested tool can be conveniently taken and put, and when the tool holder clamp 11 needs to be replaced, the bolt is pulled out, so that the replacement is convenient.

In the embodiment, the soft rubber pad 7 is made of polyurethane, and the soft rubber pad 7 is provided with anti-skid patterns;

It should be noted that, the inner side wall of the blade groove 6 on the blade clamp 11 is provided with the soft rubber pad 7, which can play a role in buffering and protecting the blade, so that the damage of the cutter is avoided, the soft rubber pad 7 is made of polyurethane, and the surface of the soft rubber pad is provided with anti-skid patterns, so that better clamping and anti-skid effects are provided, and the stability and accuracy of the testing process are ensured.

In this embodiment, the lower end of the blade clamp 12 is provided with a cylindrical boss, the side wall of the cylindrical boss is provided with a round hole in a penetrating way, the top surface of the fixed base 10 is provided with a cylindrical boss, the side wall of the cylindrical boss is provided with a round hole in a penetrating way, the cylindrical boss is sleeved in the cylindrical boss, and the cylindrical boss is connected through the round hole in a penetrating way by a bolt;

when the blade holder 12 needs to be replaced, the plug pin is pulled out, so that the replacement is convenient.

The working principle of the embodiment is as follows:

A finished cutter needing tension test is placed on a cutter handle groove 4, a cutter blade penetrates through a cutter blade slit 5, then the cutter blade penetrating through the cutter blade slit 5 is placed in a cutter blade groove 6 of a cutter blade clamp 12, a cylinder 8 is started to push a movable plate 9 to clamp a fixed cutter blade, a cutter handle clamp 11 is connected with a tension tester, the tension tester drives the cutter handle clamp 11 to move upwards, an upward tension is generated on the cutter blade, and tension test is carried out.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a cutter tensile test anchor clamps, includes anchor clamps (1) and tensile test machine, anchor clamps (1) are installed in tensile test machine, its characterized in that: the clamp (1) comprises a knife handle clamp (11) and a blade clamp (12);

The upper end of the tool handle clamp (11) is connected with the connecting mechanism (3) through the connecting bolt (2), one end of the connecting mechanism is connected with the tensile testing machine, the tool handle clamp (11) is provided with a tool handle groove (4), and blade slits (5) are formed in the lower part and the side wall of the tool handle groove (4);

The utility model discloses a blade fixture, including blade fixture, fixed base is offered on blade fixture (12), blade recess (6) has been offered on blade fixture (12), be equipped with soft rubber pad (7) on the inside wall of blade recess (6), be equipped with cylinder (8) on the lateral wall of blade fixture (12), the output of cylinder (8) is connected with movable plate (9), be equipped with soft rubber pad (7) on movable plate (9), the lower extreme of blade fixture (12) is equipped with unable adjustment base (10), unable adjustment base (10) are connected with the tensile testing machine.

2. The tool pull test fixture of claim 1, wherein: the upper end of the tool handle clamp (11) is provided with a groove, round holes are formed in the front side wall and the rear side wall of the groove in a penetrating mode, and the connecting bolt (2) is connected with the tool handle clamp (11) through the round holes in a penetrating mode through a bolt.

3. The tool pull test fixture of claim 1, wherein: the soft rubber pad (7) is made of polyurethane, and anti-skid patterns are arranged on the soft rubber pad (7).

4. The tool pull test fixture of claim 1, wherein: the lower extreme of blade anchor clamps (12) is equipped with cylindrical boss, cylindrical boss lateral wall runs through and is equipped with the round hole.

5. The tool pull test fixture of claim 4, wherein: the top surface of unable adjustment base (10) is equipped with the cylinder boss, cylinder boss lateral wall runs through and is equipped with the round hole, the cylinder boss cup joints in the cylinder boss, runs through the round hole through the bolt and connects.