CN216899516U

CN216899516U - Automatic push-pull force testing device for small spring

Info

Publication number: CN216899516U
Application number: CN202220565465.1U
Authority: CN
Inventors: 吴传渠
Original assignee: Wuxi Kaiyi Science And Technology Co ltd
Current assignee: Wuxi Kaiyi Science And Technology Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-07-05
Anticipated expiration: 2032-03-15

Abstract

The utility model belongs to the technical field of detection, and relates to an automatic push-pull force testing device for a small spring, which comprises a positioning plate, wherein a motor, a push-pull force tester and a guide rail are arranged on the positioning plate, and a connector is arranged at the input end of the push-pull force tester; the output end of the motor is provided with a screw rod, a stop block is sleeved on the screw rod, the upper end of the stop block is connected with the guide rail, the left side of the stop block is provided with a sleeve, and the sleeve is connected with the connector through a force measuring mechanism; the structure is simple, and the assembly and the maintenance are convenient; the screw rod working head freely moves back and forth right, so that the operation is convenient; the automatic screw rod working head can be quickly self-locked after moving, and the positioning is accurate; the spring has guiding, safety and reliability, and wide application range; the testing device has small volume, a limit shaft and a working head are convenient to replace, and the testing device is suitable for testing springs with different sizes.

Description

Automatic push-pull force testing device for small spring

Technical Field

The utility model belongs to the technical field of detection, and relates to a small-sized spring automatic push-pull force testing device.

Background

With the continuous development of the mechanical industry, various pressure spring tension springs and traditional spring dynamometers are not used in mechanical design and assembly, so that the variety is large, the size is large, and the use and the operation are inconvenient particularly for small springs.

Disclosure of Invention

The utility model aims to provide an automatic push-pull force testing device for a small spring, which can solve the problem of inconvenient use and operation of the small spring.

According to the technical scheme provided by the utility model: a small-sized spring automatic push-pull force testing device comprises a positioning plate, wherein a motor, a push-pull force tester and a guide rail are mounted on the positioning plate, and a connector is arranged at the input end of the push-pull force tester; the lead screw is installed to the output of motor, the cover is equipped with the dog on the lead screw, the dog is connected with the guide rail simultaneously, the left side of dog is equipped with the sleeve, be connected through force measuring mechanism between sleeve and connector.

Preferably, the force measuring mechanism comprises a first force measuring assembly; first dynamometry subassembly includes first baffle, guiding axle and first installation pole, the guiding axle has been placed in the sleeve, the left end of guiding axle is equipped with first installation pole through first baffle, first installation pole is connected with the connector.

Preferably, the connector is provided with a mounting hole, and the mounting hole is in threaded connection with the first mounting rod.

Preferably, the guide shaft is sleeved with a spring.

Preferably, the force measuring mechanism further comprises a second force measuring assembly, the second force measuring assembly comprises a second baffle, a second hook and a second mounting rod, the second baffle is provided with a second hook matched with the first hook, and the second baffle is further provided with a second mounting rod connected with the connector.

Preferably, the connector is provided with a mounting hole, and the mounting hole is in threaded connection with the second mounting rod.

Preferably, the left end of the sleeve is provided with an annular gasket.

Preferably, a first hook is arranged on the block.

The positive progress effect of this application lies in:

the automatic push-pull force testing device for the small spring provided by the embodiment of the utility model has the following advantages:

1. simple structure, assembly and maintenance are convenient.

2. The working head of the screw rod freely moves back and forth at the right side, and the operation is convenient.

3. The working head of the screw rod can be quickly self-locked after moving, and the positioning is accurate.

4. The spring has guiding, safety, reliability and wide application range.

5. The testing device has small volume, a limit shaft and a working head are convenient to replace, and the testing device is suitable for testing springs with different sizes.

Drawings

Fig. 1 is a front view of the present invention.

Figure 2 is a schematic view of a first force measuring assembly of the present invention.

Figure 3 is a schematic view of a second force measuring assembly of the present invention.

In the figure: a positioning plate 1; a motor 2; a screw rod 3; a stopper 4; a sleeve 5; a spring 6; a first force measuring assembly 7; a first baffle 71; a guide shaft 72; a first mounting rod 73; a connecting head 8; a push-pull force tester 9; a guide rail 10; a second force measuring cell 11; a second shutter 111; a second hook 112; a second mounting rod 113; a first hook 12.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the utility model is a small-sized spring automatic push-pull force testing device, comprising a positioning plate 1, wherein a motor 2, a push-pull force tester 9 and a guide rail 10 are arranged on the positioning plate 1, and the type of the push-pull force tester 9 is as follows: SHSIWI; the input end of the push-pull force tester 9 is provided with a connector 8; lead screw 3 is installed to the output of motor 2, the cover is equipped with dog 4 on the lead screw 3, dog 4 is connected with guide rail 10 simultaneously, the left side of dog 4 is equipped with sleeve 5, be connected through the dynamometer between sleeve 5 and connector 8.

Preferably, the force measuring mechanism comprises a first force measuring assembly 7; first dynamometry subassembly 7 includes first baffle 71, guiding axle 72 and first installation pole 73, guiding axle 72 has been placed in the sleeve 5, the left end of guiding axle 72 is equipped with first installation pole 73 through first baffle 71, first installation pole 73 is connected with connector 8.

Preferably, a mounting hole is formed in the connector 8, and the mounting hole is in threaded connection with the first mounting rod 73; the first mounting rod 73 is convenient to mount and dismount in a threaded manner.

Preferably, the guide shaft 72 is sleeved with a spring 6.

Preferably, the force measuring mechanism further comprises a second force measuring assembly 11, the second force measuring assembly 11 comprises a second baffle 111, a second hook 112 and a second mounting rod 113, the second baffle 111 is provided with the second hook 112 matched with the first hook 12, and the second baffle 111 is further provided with the second mounting rod 113 connected with the connector 8.

Preferably, the connector 8 is provided with a mounting hole, and the mounting hole is in threaded connection with the second mounting rod 113; the second mounting rod 113 can be conveniently mounted and dismounted by adopting a threaded connection mode.

Preferably, the left end of the sleeve 5 is provided with an annular gasket; be used for spacing spring 6, prevent that spring 6 from when receiving pressure, extruding to sleeve 5 in, causing the deviation of pressure value.

Preferably, a first hook 12 is arranged on the block 4.

The working process is as follows:

1. test spring

The spring 6 is sleeved on the guide shaft 72, the motor 2 rotates to drive the screw rod 3 to rotate, the screw rod 3 drives the stop block 4 to move linearly along the rail 10 to compress the spring 6, and corresponding pressure values can be displayed on the push-pull force tester 9 at different positions to record the compression position and the corresponding pressure values of the spring 6.

2. Test tension spring

The first force measuring assembly 7 is replaced by a second force measuring assembly 11, a tension spring is hung between a first hook 12 and a second hook 112, the motor 2 rotates to drive the screw rod 3 to rotate, the screw rod 3 drives the stop block 4 to linearly move along the rail 10 to stretch the tension spring, corresponding tension values are displayed on the push-pull force tester 9 at different positions, and the stretching positions and the corresponding tension values of the tension spring are recorded.

3. Aiming at the springs 6 and the tension springs with different sizes, the corresponding first force measuring component 7 and the second force measuring component 11 are convenient to replace, so that the test result is safer and more accurate.

The working principle is as follows:

the precision through motor 2 is high, and controllability is good, drives the accurate motion around lead screw 3, compresses spring 6 and stretches the extension spring, shows the pressure and the pulling force of spring 6 and extension spring respectively on through the extension spring tester 9.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.

Claims

1. The automatic push-pull force testing device for the small spring is characterized by comprising a positioning plate (1), wherein a motor (2), a push-pull force tester (9) and a guide rail (10) are mounted on the positioning plate (1), and a connector (8) is arranged at the input end of the push-pull force tester (9); lead screw (3) are installed to the output of motor (2), the cover is equipped with dog (4) on lead screw (3), dog (4) are connected with guide rail (10) simultaneously, the left side of dog (4) is equipped with sleeve (5), be connected through the dynamometer between sleeve (5) and connector (8).

2. The automatic push-pull force testing device for the miniature springs as claimed in claim 1, wherein said force measuring mechanism comprises a first force measuring assembly (7); first dynamometry subassembly (7) is including first baffle (71), guiding axle (72) and first installation pole (73), guiding axle (72) have been placed in sleeve (5), the left end of guiding axle (72) is equipped with first installation pole (73) through first baffle (71), first installation pole (73) are connected with connector (8).

3. The automatic push-pull force testing device for the miniature springs as claimed in claim 2, wherein the connecting head (8) is provided with a mounting hole, and the mounting hole is in threaded connection with the first mounting rod (73).

4. The automatic push-pull force testing device for the miniature springs as claimed in claim 2, wherein the spring (6) is sleeved on the guide shaft (72).

5. The automatic push-pull force testing device for the small-sized springs as claimed in claim 1, wherein the force measuring mechanism further comprises a second force measuring assembly (11), the second force measuring assembly (11) comprises a second baffle (111), a second hook (112) and a second mounting rod (113), the second baffle (111) is provided with the second hook (112) matched with the first hook (12), and the second baffle (111) is further provided with the second mounting rod (113) connected with the connector (8).

6. The automatic push-pull force testing device for the miniature springs as claimed in claim 5, wherein the connecting head (8) is provided with a mounting hole, and the mounting hole is in threaded connection with the second mounting rod (113).

7. The automatic push-pull force testing device for small springs as claimed in claim 1, wherein the left end of the sleeve (5) is provided with an annular gasket.

8. The automatic push-pull force testing device for small springs as claimed in claim 1, wherein the stopper (4) is provided with a first hook (12).