CN217277532U

CN217277532U - Bending test fixture

Info

Publication number: CN217277532U
Application number: CN202220205165.2U
Authority: CN
Inventors: 代红明
Original assignee: Shenzhen Sunway Communication Co Ltd
Current assignee: Shenzhen Sunway Communication Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-23
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a bending test fixture, which comprises a base, a clamping component, a driving component, a sliding component, a test board and a bracket; the clamping assembly, the driving assembly, the test board and the bracket are fixedly arranged on the base respectively; the test board is provided with an object carrying surface; a pressing block is arranged on the clamping assembly, and the clamping assembly drives the pressing block to be close to or far away from the object carrying surface; the sliding assembly is arranged on one side, close to the test board, of the support in a sliding mode, and the sliding direction of the sliding assembly is perpendicular to the object carrying surface; the driving assembly is used for driving the sliding assembly to slide, and the sliding assembly comprises a pressing plate. Only need utilize the briquetting to compress tightly the part that awaits measuring on carrying the thing face, order about the relative thing face of carrying of stripper plate on the sliding assembly through drive assembly and slide, make the stripper plate conflict part that awaits measuring to make the part that awaits measuring take place bending deformation, can judge the anti bending performance of part through observing whether the part department of buckling breaks.

Description

Bending test fixture

Technical Field

The utility model relates to a tool technical field especially relates to a test fixture bends.

Background

The existing test jig for testing the bending resistance of parts is mostly an integrated jig, one jig can only fixedly test parts of one type, the test type of the jig is single, and the test jig is not strong in universality; for parts of different models and sizes, special test fixtures need to be manufactured, and equipment cost is overhigh.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the bending test fixture with strong universality is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: a bending test fixture comprises a base, a clamping assembly, a driving assembly, a sliding assembly, a test board and a support; the clamping assembly, the driving assembly, the test board and the bracket are fixedly arranged on the base respectively; the test board is provided with an object carrying surface; a pressing block is arranged on the clamping assembly, and the clamping assembly drives the pressing block to be close to or far away from the object carrying surface; the sliding assembly is arranged on one side, close to the test board, of the support in a sliding mode, and the sliding direction of the sliding assembly is perpendicular to the object carrying surface; the driving assembly is used for driving the sliding assembly to slide, and the sliding assembly comprises a pressing plate.

Further, the driving assembly comprises a support, a push rod, a handle and a connecting rod; the support is fixedly arranged on the bracket; the push rod can be arranged at one end of the support in a lifting manner, and the central axis of the push rod is perpendicular to the object carrying surface; the handle is rotationally connected to the other end of the support; the two ends of the connecting rod are respectively hinged with the middle part of the handle and one end of the push rod; the other end of the push rod is fixedly connected with the sliding assembly.

Furthermore, the support is provided with a propping part for propping the bottom surface of the support.

Furthermore, the sliding assembly also comprises a sliding block, and the extrusion plate is fixedly arranged on the sliding block; the support is fixedly provided with a connecting block, the connecting block is provided with a linear slide rail, the length direction of the linear slide rail is perpendicular to the object carrying surface, and the sliding block is provided with a sliding structure matched with the linear slide rail; the top of slider with the push rod is connected, the stripper plate protrusion the bottom setting of slider.

Furthermore, the device also comprises a limiting piece which is fixedly arranged on the bracket; the sliding block comprises a connecting plate and a mounting plate fixedly arranged on the connecting plate, the sliding structure is arranged on the connecting plate, and the extrusion plate is fixedly connected with the mounting plate; and the side wall of the mounting plate is provided with a limiting lug which is used for abutting against the limiting part.

Furthermore, a matched limiting boss and a limiting groove are arranged on the contact surface of the mounting plate and the extrusion plate.

Furthermore, the limiting groove is a through groove.

Furthermore, the locating parts are two, the two locating parts are respectively arranged on two sides of the mounting plate, the number of the limiting lugs is two, and the limiting lugs and the locating parts are arranged in a one-to-one correspondence mode.

Furthermore, a groove is formed in the side face of the support, and a partial region of the limiting piece is located in the groove.

Furthermore, detachably be equipped with one on the testboard and carry the thing board, it keeps away from to carry the thing board the one side of testboard is for carry the thing face.

The beneficial effects of the utility model reside in that: this test fixture of bending simple structure, the production assembly of being convenient for, and the use is simple convenient, and applicable in the part of different models size, has stronger commonality. Only need utilize the briquetting to compress tightly the part that awaits measuring on carrying the thing face, order about the relative thing face of carrying of stripper plate on the sliding assembly through drive assembly and slide, make the stripper plate conflict part that awaits measuring to make the part that awaits measuring take place bending deformation, can judge the anti bending performance of part through observing whether the part department of buckling breaks.

Drawings

Fig. 1 is a schematic view of an overall structure of a bending test fixture according to a first embodiment of the present invention;

fig. 2 is a first right view (when a part is not bent) of the bending test fixture according to the first embodiment of the present invention;

fig. 3 is a second right side view (when a part is bent) of the bending test fixture according to the first embodiment of the present invention;

fig. 4 is a schematic structural view of a base, a bracket and a test board in the bending test fixture according to the first embodiment of the present invention;

fig. 5 is a schematic structural view of a driving assembly in a bending test fixture according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of a test board and a clamping assembly in the bending test fixture according to the first embodiment of the present invention;

fig. 7 is an exploded view of a sliding component in a bending test fixture according to a first embodiment of the present invention.

Description of reference numerals:

1. a base;

2. a clamping assembly; 21. briquetting;

3. a drive assembly; 31. a support; 32. a push rod; 321. an annular boss; 33. a handle; 34. a connecting rod;

4. a sliding assembly; 41. a compression plate; 411. a limiting boss; 42. a connecting plate; 421. a sliding structure; 43. mounting a plate; 431. a limiting bump; 432. a limiting groove; 433. a T-shaped slot;

5. a test bench; 51. a loading plate; 511. a carrying surface; 512. a limit screw;

6. a support; 61. a butting part; 62. connecting blocks; 621. a linear slide rail; 63. a groove;

7. a limiting member;

8. and (4) parts.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 7, a bending test fixture includes a base 1, a clamping assembly 2, a driving assembly 3, a sliding assembly 4, a test table 5 and a bracket 6; the clamping component 2, the driving component 3, the test board 5 and the bracket 6 are respectively and fixedly arranged on the base 1; the test platform 5 is provided with an object carrying surface 511; a pressing block 21 is arranged on the clamping component 2, and the clamping component 2 drives the pressing block 21 to be close to or far away from the object carrying surface 511; the sliding component 4 is arranged on one side of the bracket 6 close to the test board 5 in a sliding manner, and the sliding direction of the sliding component 4 is perpendicular to the object carrying surface 511; the driving assembly 3 is used for driving the sliding assembly 4 to slide, and the sliding assembly 4 comprises a pressing plate 41.

From the above description, the beneficial effects of the present invention are: this test fixture of bending simple structure, the production assembly of being convenient for, and the use is simple convenient, and applicable in the part 8 of different models size, has stronger commonality. Only need utilize briquetting 21 to compress tightly the part 8 that awaits measuring on year thing face 511, order about the stripper plate 41 on the sliding component 4 through drive assembly 3 and slide relatively year thing face 511, make stripper plate 41 conflict part 8 that awaits measuring to the part 8 that makes the part 8 that awaits measuring takes place bending deformation, can judge the bending resistance ability of part 8 through observing whether the part 8 department of buckling breaks.

Further, the driving assembly 3 comprises a support 31, a push rod 32, a handle 33 and a connecting rod 34; the support 31 is fixedly arranged on the bracket 6; the push rod 32 is arranged at one end of the support 31 in a lifting manner, and the central axis of the push rod 32 is perpendicular to the object carrying surface 511; the handle 33 is rotatably connected to the other end of the support 31; two ends of the connecting rod 34 are respectively hinged with the middle part of the handle 33 and one end of the push rod 32; the other end of the push rod 32 is fixedly connected with the sliding component 4.

As can be seen from the above description, the components of the driving assembly 3 are simple to assemble, the whole structure is labor-saving, and the motion of the push rod 32 is stable.

Further, the support 6 is provided with a propping part 61 for propping against the bottom surface of the support 31.

As can be seen from the above description, the abutting portion 61 can help the support 31 bear a downward acting force when the user uses the driving assembly 3, so as to prevent the connecting structure between the support 31 and the bracket 6 from being loosened due to the force; and the abutting part 61 has a certain positioning function in the installation process of the support 31.

Further, the sliding assembly 4 further includes a sliding block, and the pressing plate 41 is fixedly arranged on the sliding block; a connecting block 62 is fixedly arranged on the support 6, a linear slide rail 621 is arranged on the connecting block 62, the length direction of the linear slide rail 621 is perpendicular to the object carrying surface 511, and a sliding structure 421 matched with the linear slide rail 621 is arranged on the sliding block; the top end of the sliding block is connected with the push rod 32, and the extrusion plate 41 protrudes out of the bottom end of the sliding block.

As can be seen from the above description, the sliding connection structure of the sliding assembly 4 and the bracket 6 is simple, and the production and assembly are convenient.

Furthermore, the device also comprises a limiting piece 7, wherein the limiting piece 7 is fixedly arranged on the bracket 6; the sliding block comprises a connecting plate 42 and a mounting plate 43 fixedly arranged on the connecting plate 42, the sliding structure 421 is arranged on the connecting plate 42, and the extrusion plate 41 is fixedly connected with the mounting plate 43; the mounting plate 43 is provided with a limiting bump 431 on the side wall for abutting against the limiting part 7.

As can be seen from the above description, the limiting member 7 can limit the stroke of the sliding assembly 4, so as to limit the bending angle generated by the part 8 being collided by the extrusion plate 41, and facilitate a user to determine whether the bending resistance of the part 8 is qualified; meanwhile, damage to parts caused by over-stroke use of the driving assembly 3 can be avoided, or the extrusion plate 41 is prevented from colliding with the base 1 due to overlarge sliding amplitude of the sliding assembly 4.

Further, a matched limiting boss 411 and a limiting groove 432 are arranged on the contact surface of the mounting plate 43 and the extrusion plate 41.

As can be seen from the above description, the matched limiting boss 411 and limiting groove 432 can help the pressing plate 41 bear the force in the vertical direction during the use process, and prevent the connection structure of the pressing plate 41 and the mounting plate 43 from being loosened due to the force.

Further, the limiting groove 432 is a through groove.

As can be seen from the above description, the limiting groove 432 is configured as a through groove, which facilitates the cutting and forming of the limiting groove 432.

Further, the number of the limiting parts 7 is two, the two limiting parts 7 are respectively arranged on two sides of the mounting plate 43, the number of the limiting convex blocks 431 is two, and the limiting convex blocks 431 and the limiting parts 7 are arranged in a one-to-one correspondence manner.

As can be seen from the above description, the two pairs of limiting members 7 and the limiting protrusions 431 are provided to balance the forces on the two sides of the mounting plate 43, so as to prevent the mounting plate 43 from being subjected to a force on one side to cause an angular deviation.

Further, a groove 63 is formed in a side surface of the bracket 6, and a partial region of the limiting member 7 is located in the groove 63.

As can be seen from the above description, the groove 63 can receive a partial region of the limiting member 7, so as to reduce the occupied space of the bracket 6 in the width direction, and at the same time, can play a certain role in positioning during the installation of the limiting member 7.

Furthermore, a carrying plate 51 is detachably arranged on the test platform 5, and a carrying surface 511 is arranged on one surface of the carrying plate 51 far away from the test platform 5.

As can be seen from the above description, the user can replace the loading plate 51 when the flatness of the loading surface 511 is damaged due to long-term friction.

Example one

Referring to fig. 1 to 7, a first embodiment of the present invention is: a bending test fixture can be widely used for testing the bending resistance of sheet parts of various models and sizes.

The bending test fixture comprises a base 1, a clamping assembly 2, a driving assembly 3, a sliding assembly 4, a test board 5 and a support 6; the clamping component 2, the driving component 3, the test board 5 and the bracket 6 are respectively and fixedly arranged on the base 1; the test bench 5 is provided with an object carrying surface 511; a pressing block 21 is arranged on the clamping component 2, and the clamping component 2 drives the pressing block 21 to be close to or far away from the object carrying surface 511; the sliding assembly 4 is slidably arranged on one side of the bracket 6 close to the test bench 5, and the sliding direction of the sliding assembly 4 is perpendicular to the object carrying surface 511; the driving assembly 3 is used for driving the sliding assembly 4 to slide, and the sliding assembly 4 comprises a pressing plate 41.

Specifically, in this embodiment, the clamping assembly 2 is preferably a horizontal rapid clamp, and the pressing block 21 and one end of the clamping assembly 2 are fixedly connected through a pin. The support 6 comprises a rib plate and a supporting plate, wherein one end of the supporting plate is connected to the base 1 through a screw, and the rib plate is fixedly connected to one side, far away from the test board 5, of the supporting plate. The test bench 5 is shaped like Jiong, and the clamping component 2 is fixedly connected on the test bench 5. The plane that the lateral wall of stripper plate 41 was located is separated by certain distance with the plane that testboard 5 lateral wall was located to reserve certain space for the bending of the part 8 that awaits measuring, avoid the part 8 that awaits measuring to receive the shearing force of stripper plate 41 and testboard 5 effect and directly break.

As shown in fig. 1 and 5, the driving assembly 3 includes a support 31, a push rod 32, a handle 33 and a connecting rod 34; the support 31 is fixedly arranged on the bracket 6; the push rod 32 can be arranged at one end of the support 31 in a lifting manner, and the central axis of the push rod 32 is perpendicular to the object carrying surface 511; the handle 33 is rotatably connected to the other end of the support 31; two ends of the connecting rod 34 are respectively hinged with the middle part of the handle 33 and one end of the push rod 32; the other end of the push rod 32 is fixedly connected with the sliding component 4. Specifically, the support 31 is connected to the bracket 6 by screws, and one end of the support 31 is provided with a cylindrical structure, and a central axis of the cylindrical structure is perpendicular to the object carrying surface 511; the push rod 32 is cylindrical and vertically ascends and descends in the cylindrical structure.

As shown in fig. 1 and 4, the support 6 is provided with a propping part 61 for propping against the bottom surface of the support 31. Specifically, the abutting portion 61 is a step structure, and the bottom surface of the support 31 abuts against the step structure.

As shown in fig. 7, the sliding assembly 4 further includes a sliding block, and the pressing plate 41 is fixedly arranged on the sliding block; the support 6 is fixedly provided with a connecting block 62, the connecting block 62 is provided with a linear slide rail 621, the length direction of the linear slide rail 621 is perpendicular to the object carrying surface 511, and the sliding block is provided with a sliding structure 421 matched with the linear slide rail 621; the top of slider with the push rod 32 is connected, stripper plate 41 protrusion the bottom setting of slider.

As shown in fig. 1 and 7, the bending test fixture further includes a limiting member 7, and the limiting member 7 is fixedly disposed on the bracket 6; the sliding block comprises a connecting plate 42 and a mounting plate 43 fixedly arranged on the connecting plate 42, the sliding structure 421 is arranged on the connecting plate 42, and the extrusion plate 41 is fixedly connected with the mounting plate 43; the mounting plate 43 is provided with a limiting bump 431 on the side wall for abutting against the limiting part 7.

Specifically, the pressing plate 41 is screwed to the mounting plate 43. In this embodiment, the linear sliding rail 621 is a vertical groove with an arc-shaped cross section, and the sliding structure 421 is correspondingly a boss with an arc-shaped cross section; two side surfaces of the connecting block 62 are provided with linear sliding rails 621; connecting block 62 both sides are equipped with linear slide 621, and connecting plate 42 both sides all are equipped with to the convex arm board of direction that is close to support 6, and connecting block 62 is located between two arm boards, and two relative faces that set up of arm board all be equipped with linear slide 621 complex sliding structure 421. The end of the push rod 32, which is far away from the connecting rod 34, protrudes outwards to form an annular boss 321, a T-shaped groove 433 connected with the top surface is arranged on the mounting plate 43, and the T-shaped groove 433 is connected with the end of the push rod 32, which is provided with the annular boss 321, in a matching manner, so that the push rod 32 is connected with the mounting plate 43 in a driving manner. In other embodiments, the push rod 32 and the mounting plate 43 may be threaded, snap-fit, or welded.

As shown in fig. 7, a surface of the mounting plate 43 contacting the pressing plate 41 is provided with a limiting boss 411 and a limiting groove 432. The limiting groove 432 is a through groove. In this embodiment, the limiting boss 411 is disposed on the extrusion plate 41, and the limiting groove 432 is disposed on the mounting plate 43.

As shown in fig. 1 and 4, two limiting members 7 are provided, two limiting members 7 are respectively provided at two sides of the mounting plate 43, the number of the limiting protrusions 431 is two, and the limiting protrusions 431 and the limiting members 7 are provided in a one-to-one correspondence. A groove 63 is formed in the side surface of the bracket 6, and a partial region of the limiting member 7 is located in the groove 63.

In particular, the groove 63 is provided through the bracket 6. The limiting member 7 is in an L-shaped block shape and is fixedly connected to the bottom surface of the groove 63 through a screw. The two limiting members 7 are symmetrically arranged.

As shown in fig. 6, a carrying plate 51 is detachably disposed on the testing platform 5, and a side of the carrying plate 51 away from the testing platform 5 is the carrying surface 511. Specifically, in this embodiment, the top surface of the test board 5 is in threaded connection with two limit screws 512, two through holes are formed in the object carrying plate 51, and the two through holes and the two limit screws 512 are arranged in a one-to-one correspondence manner. The user only needs to make the object carrying surface 511 of the object carrying plate 51 face upward and align the two through holes with the two limit screws 512 one by one, and then the object carrying plate 51 can be placed on the test board 5 to complete the installation.

To sum up, the utility model provides a test fixture of bending simple structure, the production assembly of being convenient for, and the use is simple convenient, and applicable in the part of different model sizes, has stronger commonality. Only need utilize the briquetting to compress tightly the part that awaits measuring on carrying the thing face, order about the relative thing face of carrying of stripper plate on the sliding assembly through drive assembly and slide, make the stripper plate conflict part that awaits measuring to make the part that awaits measuring take place bending deformation, can judge the anti bending performance of part through observing whether the part department of buckling breaks. The matched limiting boss and limiting groove are beneficial to helping the extrusion plate to bear acting force in the vertical direction; the object carrying plate which is detachably arranged is beneficial to a user to replace the damaged object carrying surface.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a test fixture bends which characterized in that: the device comprises a base, a clamping assembly, a driving assembly, a sliding assembly, a test board and a bracket; the clamping assembly, the driving assembly, the test board and the bracket are fixedly arranged on the base respectively; the test board is provided with an object carrying surface; a pressing block is arranged on the clamping assembly, and the clamping assembly drives the pressing block to be close to or far away from the object carrying surface; the sliding assembly is arranged on one side, close to the test board, of the support in a sliding mode, and the sliding direction of the sliding assembly is perpendicular to the object carrying surface; the driving assembly is used for driving the sliding assembly to slide, and the sliding assembly comprises a pressing plate.

2. The bending test fixture according to claim 1, wherein: the driving assembly comprises a support, a push rod, a handle and a connecting rod; the support is fixedly arranged on the bracket; the push rod can be arranged at one end of the support in a lifting manner, and the central axis of the push rod is perpendicular to the object carrying surface; the handle is rotatably connected to the other end of the support; the two ends of the connecting rod are respectively hinged with the middle part of the handle and one end of the push rod; the other end of the push rod is fixedly connected with the sliding assembly.

3. The bending test fixture according to claim 2, wherein: the support is provided with a propping part for propping the bottom surface of the support.

4. The bending test fixture according to claim 2, wherein: the sliding assembly further comprises a sliding block, and the extrusion plate is fixedly arranged on the sliding block; the support is fixedly provided with a connecting block, the connecting block is provided with a linear slide rail, the length direction of the linear slide rail is perpendicular to the object carrying surface, and the sliding block is provided with a sliding structure matched with the linear slide rail; the top of slider with the push rod is connected, the stripper plate protrusion the bottom setting of slider.

5. The bending test fixture according to claim 4, wherein: the limiting piece is fixedly arranged on the bracket; the sliding block comprises a connecting plate and a mounting plate fixedly arranged on the connecting plate, the sliding structure is arranged on the connecting plate, and the extrusion plate is fixedly connected with the mounting plate; the mounting plate side wall is provided with a limiting lug which is used for abutting against the limiting part.

6. The bending test fixture according to claim 5, wherein: and the surface of the mounting plate, which is in contact with the extrusion plate, is provided with a matched limiting boss and a limiting groove.

7. The bending test fixture according to claim 6, wherein: the limiting groove is a through groove.

8. The bending test fixture according to claim 5, wherein: the locating part is equipped with two, two the locating part is located respectively the mounting panel both sides, the quantity of spacing lug is two, spacing lug with the locating part one-to-one sets up.

9. The bending test fixture according to claim 8, wherein: the side face of the bracket is provided with a groove, and part of the area of the limiting part is located in the groove.

10. The bending test fixture according to claim 1, wherein: the test board is detachably provided with a loading plate, and one surface of the loading plate, which is far away from the test board, is the loading surface.