CN212658400U

CN212658400U - Spring detection tool

Info

Publication number: CN212658400U
Application number: CN202021752907.0U
Authority: CN
Inventors: 伍非
Original assignee: Wuxi Qizhou Hardware Co ltd
Current assignee: Wuxi Qizhou Hardware Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-05
Anticipated expiration: 2030-08-20

Abstract

The utility model belongs to the technical field of the spring detects, concretely relates to spring detection tool. The utility model comprises a mounting rack; a first motor is mounted at the upper end of the mounting rack; the motor shaft I is connected with the motor shaft I, and the motor shaft I penetrates through a bearing arranged on the mounting frame in a matched manner to extend into the mounting frame; one end of the motor shaft extending into the mounting frame is connected with a lead screw; a sliding table is arranged on the screw rod in a matching way; a movable box is arranged on the sliding table; a second motor, a second motor shaft, a rotary disc, a rotary column, a fixed column, a push rod, a press rod and a press disc are arranged in the movable box. And a clamping assembly arranged on the mounting frame is arranged below the pressure plate. The utility model discloses a carousel, push rod and depression bar can apply stable pressure of being interrupted to the spring, and centre gripping subassembly structure is simple and easy simultaneously to can provide effectual centre gripping, prevent that the spring from removing. Through the design of movable case, can make things convenient for the dismouting of spring.

Description

Spring detection tool

Technical Field

The utility model belongs to the technical field of the spring detects, concretely relates to spring detection tool.

Background

A spring is a mechanical part that works by elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed. Springs are widely used in shock absorbing and absorbing devices due to their characteristics. After the spring is produced, the spring needs to be subjected to a fatigue test to test the shock-absorbing performance of the spring.

If publication number CN210953292U discloses a spring detection device, including workstation, durable detection device and external diameter detection device, utilize external diameter detection device can make things convenient for the quick external diameter dimension who detects a batch extension spring, although there is the deviation with the drawing size in extension spring external diameter dimension some, nevertheless do not influence the assembly effect, the durable detection device of accessible carries out the performance test to the spring, marks drawing dimensional tolerance again according to the test result after detecting, the utility model is simple in operation convenient, and with low costs, be particularly useful for extension spring product development phase product performance's verification and drawing dimensional tolerance's correction.

The detection equipment in the prior art is difficult to apply stable extrusion action to the spring, and for a large-sized spring, a simple spring fixing device is also lacked when pressure is applied, and a simple device for detecting the deformation quantity of the spring after fatigue detection is also lacked.

SUMMERY OF THE UTILITY MODEL

To the aforesaid not enough, the utility model aims at providing a spring detection tool.

The utility model provides a following technical scheme:

a spring detection jig comprises a mounting frame; a first motor is mounted at the upper end of the mounting rack; the motor shaft I is connected with the motor shaft I, and the motor shaft I penetrates through a bearing arranged on the mounting frame in a matched manner to extend into the mounting frame; one end of the motor shaft extending into the mounting frame is connected with a lead screw; a sliding table is arranged on the screw rod in a matching way; a movable box is arranged on the sliding table; a second motor is arranged in the movable box and connected with a second motor shaft; one end of the motor shaft II is fixedly connected with a turntable, and a rotating column is arranged on the outer end face of the turntable, close to the outer circumference; a fixed column parallel to the motor shaft II is also arranged in the movable box; a push rod is rotatably mounted on the fixed column, one end of the push rod is in a long strip shape, a rectangular through hole is formed in the long strip part of the push rod, and the rotary column is inserted into the rectangular through hole; the other end of the push rod is fan-shaped, and a first rack is arranged on the side face of the fan-shaped push rod; a second rack meshed with the first rack is arranged on one side of the pressure rod, and one end of the pressure rod penetrates through a first through hole formed in a lower panel of the movable box and extends out of the movable box; a pressure plate is arranged at one end of the pressure rod extending out of the movable box; two sleeves I are also arranged in the movable box at intervals; a pressure lever positioned in the movable box is slidably inserted in the sleeve I;

a clamping assembly arranged on the mounting frame is arranged below the pressure plate; a scale is vertically arranged on the mounting rack on one side of the clamping component; a sliding chute is fixedly arranged on one side of the scale; a sliding block is slidably arranged in the sliding groove; one end of the sliding block, which is close to the scale, is provided with a first pointer; one end of the sliding block, which is far away from the scale, is fixedly provided with a telescopic rod, and one end of the telescopic rod, which is far away from the sliding block, is provided with a pointer II.

A second sleeve is arranged on the left side and the right side of the outer part of the movable box; a guide post is inserted in the sleeve II; one end of the guide post is fixedly arranged on the mounting rack.

Two limiting blocks are arranged on the guide post at intervals; the sleeve is located between the two limiting blocks.

The clamping assembly comprises a support plate; an annular groove is formed in the middle of the upper end face of the supporting plate; at least three nuts are uniformly welded on the upper end face of the supporting plate; the nut is internally and fittingly provided with a bolt.

The utility model has the advantages that:

the utility model discloses a carousel, push rod and depression bar can apply stable pressure of being interrupted to the spring, and centre gripping subassembly structure is simple and easy simultaneously to can provide effectual centre gripping, prevent that the spring from removing. Through the design of movable case, can make things convenient for the dismouting of spring.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

fig. 4 is a top view of the clamping assembly of the present invention.

Labeled as: the device comprises a mounting frame 101, a spring 102, a pressure plate 103, a pressure rod 104, a first through hole 105, a movable box 106, a lead screw 107, a second sleeve 108, a guide post 109, a sliding table 110, a limiting block 111, a first motor shaft 112, a bearing 113, a first motor 114, a first sleeve 115, a scale 116, a sliding groove 117, a sliding block 119, a first pointer 120, a second pointer 121, a telescopic rod 122, a rotating disc 123, a second motor shaft 124, a rotating column 125, a rectangular through hole 127, a fixed column 128, a push rod 129, a clamping assembly 200, a supporting plate 201, an annular groove 202, a nut 203 and a.

Detailed Description

As shown in the figure, the spring detection jig comprises a mounting frame 101, a pressure plate 103, a pressure lever 104, a movable box 106, a lead screw 107, a second sleeve 108, a guide pillar 109, a sliding table 110, a limiting block 111, a first motor shaft 112, a bearing 113, a first motor 114, a second motor, a first sleeve 115, a scale 116, a sliding groove 117, a sliding block 119, a first pointer 120, a second pointer 121, an expansion rod 122, a rotating disc 123, a second motor shaft 124, a rotating column 125, a fixed column 128, a push rod 129 and a clamping assembly 200. The first motor 114 is mounted on the upper end of the mounting frame 101, the first motor 114 is connected with the first motor shaft 112, and the first motor shaft 112 cooperatively extends into the mounting frame 101 through a bearing 113 mounted on the mounting frame 101. One end of the first motor shaft 112 extending into the mounting frame 101 is connected with a lead screw 107. The first motor 114 can drive the first motor shaft 112 to rotate the lead screw 107. The sliding table 110 is cooperatively mounted on the screw 107, the movable box 106 is fixedly mounted on the sliding table 110, and when the screw 107 rotates, the sliding table 110 drives the movable box 106 to make linear motion. A second sleeve 108 is mounted on the outer left side and the outer right side of the movable box 106, a guide post 109 is inserted into the second sleeve 108, and one end of the guide post 109 is fixedly mounted on the mounting frame 101. Two limiting blocks 111 are arranged on the guide post 109 at intervals, and the second sleeve 108 is positioned between the two limiting blocks 111. The guide posts 109 limit the linear movement of the movable box 106 in the up-down direction.

The second motor is installed in the movable box 106 and connected with a second motor shaft 124, and one end, far away from the second motor, of the second motor shaft 124 is fixedly connected with the turntable 123. The second motor can drive the second motor shaft 124 to drive the turntable 123 to rotate. The end surface of the turntable 123 far away from the two ends of the motor is provided with a rotary column 125 near the outer circumference, and the rotary column 125 is fixedly arranged on the turntable 123. The movable box 106 is also provided with a fixed column 128 parallel to the motor shaft II 124, and a push rod 129 is rotatably arranged on the fixed column 128. One end of the push rod 129 is long, a rectangular through hole 127 is formed in the long part of the push rod 129, and the rotating column 125 is inserted into the rectangular through hole 127. The other end of the push rod 129 is fan-shaped, and a first rack is arranged on the side face of the fan-shaped side of the push rod 129. A pressing rod 104 is also vertically arranged in the movable box 106, a second rack meshed with the first rack is arranged on one side of the pressing rod 104, one end of the pressing rod 104 penetrates through a first through hole 105 formed in the lower panel of the movable box 106 and extends out of the movable box 106, and one end of the pressing rod 104 extending out of the movable box 106 is fixedly connected with the pressing plate 103. Two sleeves one 115 are further arranged in the movable box 106 at intervals, the pressure rod 104 positioned in the movable box 106 is slidably inserted into the sleeves one 115, and the sleeves one 115 are used for limiting the linear movement of the pressure rod 104 only along the up-and-down direction. When the second motor drives the second motor shaft 124 to drive the rotating disc 123 to rotate, the rotating column 125 drives the push rod 129 to repeatedly swing clockwise and counterclockwise with the fixed column 128 as a fixed point, and the swinging push rod 129 drives the press rod 104 to do reciprocating linear motion in the up-and-down direction.

The clamping assembly 200 arranged on the mounting frame 101 is arranged below the pressure plate 103, and the clamping assembly 200 comprises a supporting plate 201, a nut 203 and a bolt 204. The middle of the upper end face of the support plate 201 is provided with an annular groove 202, the upper end face of the support plate 201 is uniformly welded with at least three nuts 203, preferably four nuts, and bolts 204 are fittingly installed in the nuts 203. The lower end of the spring 102 may be snapped into the annular groove 202 and then the bolt 204 may be tightened to insert one end of the bolt 204 into the spring 102, thereby restraining the spring 102 against movement.

The mounting frame 101 on one side of the clamping assembly 200 is vertically provided with a scale 116, one side of the scale 116 is fixedly provided with a sliding groove 117, and a sliding block 119 is slidably arranged in the sliding groove 117. One end of the sliding block 119 close to the scale 116 is provided with a first pointer 120, and one end of the sliding block 119 far away from the scale 116 is fixedly provided with a telescopic rod 122. And a second pointer 121 is arranged at one end of the telescopic rod 122 far away from the sliding block 119.

The operation method of the utility model is as follows:

the lower end of the spring 102 is inserted into the annular groove 202, and then the bolt 204 is screwed so that one end of the bolt 204 is inserted into the spring 102 to restrain the spring 102 against movement. And starting a first motor 114 to move the movable box 106 downwards until the lower end face of the pressure plate 103 is contacted with the upper end face of the spring 102. And starting the second motor to enable the pressing rod 104 to push the pressure plate 103 to do reciprocating linear motion in the vertical direction, and the pressure plate 103 intermittently extrudes the spring 102 to perform fatigue detection on the spring 102. Before the spring 102 is extruded, the telescopic rod 122 can be adjusted to enable the pointer II 121 to contact the upper end face of the spring 102, the number of indications indicated by the pointer I120 is recorded, the same operation is repeated after the fatigue test of the spring 102 is finished, and the deformation amount after the fatigue test of the spring 102 can be obtained by comparing the number of indications obtained twice.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spring detection jig comprises a mounting frame (101); the method is characterized in that: a first motor (114) is mounted at the upper end of the mounting rack (101); the first motor (114) is connected with a first motor shaft (112), and the first motor shaft (112) penetrates through a bearing (113) arranged on the mounting frame (101) in a matched mode and extends into the mounting frame (101); one end of the first motor shaft (112) extending into the mounting frame (101) is connected with a screw rod (107); a sliding table (110) is arranged on the screw rod (107) in a matched manner; a movable box (106) is arranged on the sliding table (110); a second motor is arranged in the movable box (106), and is connected with a second motor shaft (124); one end of the second motor shaft (124) is fixedly connected with a turntable (123), and a rotating column (125) is arranged on the outer end face of the turntable (123) close to the outer circumference; a fixed column (128) parallel to the second motor shaft (124) is also arranged in the movable box (106); a push rod (129) is rotatably mounted on the fixed column (128), one end of the push rod (129) is long, a rectangular through hole (127) is formed in the long strip part of the push rod (129), and the rotary column (125) is inserted into the rectangular through hole (127); the other end of the push rod (129) is fan-shaped, and a first rack is arranged on the side surface of the fan-shaped side of the push rod (129); a pressure lever (104) is further arranged in the movable box (106), a rack II meshed with the rack I is arranged on one side of the pressure lever (104), and one end of the pressure lever (104) penetrates through a through hole I (105) formed in the lower panel of the movable box (106) and extends out of the movable box (106); a pressure plate (103) is arranged at one end of the pressure lever (104) extending out of the movable box (106); two sleeves I (115) are also arranged in the movable box (106) at intervals; a pressure rod (104) positioned in the movable box (106) is slidably inserted in the sleeve I (115);

a clamping assembly (200) arranged on the mounting frame (101) is arranged below the pressure plate (103); a scale (116) is vertically arranged on the mounting rack (101) at one side of the clamping assembly (200); a sliding groove (117) is fixedly arranged on one side of the scale (116); a slide block (119) is slidably arranged in the sliding groove (117); one end of the sliding block (119) close to the scale (116) is provided with a first pointer (120); one end of the sliding block (119) far away from the scale (116) is fixedly provided with a telescopic rod (122), and one end of the telescopic rod (122) far away from the sliding block (119) is provided with a second pointer (121).

2. The spring detection tool of claim 1, wherein: a second sleeve (108) is arranged on the left side and the right side of the outer part of the movable box (106); a guide post (109) is inserted in the second sleeve (108); one end of the guide post (109) is fixedly arranged on the mounting rack (101).

3. The spring detection jig of claim 2, wherein: two limiting blocks (111) are arranged on the guide post (109) at intervals; the second sleeve (108) is located between the two limiting blocks (111).

4. The spring detection tool of claim 1, wherein: the clamping assembly (200) comprises a support plate (201); an annular groove (202) is formed in the middle of the upper end face of the supporting plate (201); at least three nuts (203) are uniformly welded on the upper end face of the support plate (201); a bolt (204) is fittingly mounted in the nut (203).