CN215487057U

CN215487057U - Be applied to quick frock clamp of paster

Info

Publication number: CN215487057U
Application number: CN202121617818.XU
Authority: CN
Inventors: 李进; 李阳; 王凯; 金晖
Original assignee: CHANGZHOU HOTO ELECTRONIC WEIGHING APPARATUS CO LTD
Current assignee: CHANGZHOU HOTO ELECTRONIC WEIGHING APPARATUS CO LTD
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-11
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a rapid tooling clamp applied to surface mounting, which mainly comprises the following components: force cell sensor fixing base install at cylinder piston rod left side end, force cell sensor installs on the force cell sensor fixing base, the instrument of weighing passes through the cable and is connected with force cell sensor, left side fixing base limiting plate is installed on left fixing base right flank, the U type presss from both sides the left end and installs on left fixing base and the U type presss from both sides the right-hand member and installs on right fixing base, adjusting bolt installs in the screw hole on the U type presss from both sides, the elastomer front end is installed on preceding mount pad, the elastomer rear end is installed on the mount pad of back, the ejector pin pressure head is installed at ejector pin post left end, the ejector pin post is installed in the U type presss from both sides the mounting hole, the spring housing is on the ejector pin post, the solidification briquetting is installed in the mounting hole of elastomer. The utility model has the advantages of simple structure, easy assembly, visual, controllable and adjustable curing pressure, good stability and convenient operation, reduces errors caused by manual assembly and improves the working efficiency.

Description

Be applied to quick frock clamp of paster

Technical Field

The utility model belongs to the technical field of weighing sensor manufacturing, and particularly relates to a quick tool clamp applied to surface mounting.

Background

At present, in the manufacturing process of a weighing sensor, the pasting of the resistance strain gauge is a key process in the manufacturing process flow of the weighing sensor, the resistance strain gauge is required to be firmly pasted inside the sensor, and the pasting effect can be guaranteed only by pressing the resistance strain gauge for several hours by using a tool clamp after the pasting. Traditional solidification frock clamp is pressed from both sides, briquetting and silicone rubber skin etc. by pressure head, spring, adjusting bolt, C type and constitutes, and not only the equipment is got up complicatedly, and the spring uses the back for a long time under high temperature moreover, can lead to pressure inhomogeneous, can not discover at the very first time, causes resistance strain gauge to paste insecure and lead to empty piece to lead to the sensor performance bad, work efficiency is also low simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a rapid tooling fixture applied to a patch, which has the advantages of simple structure, easy assembly, visual, controllable and adjustable curing pressure, good stability and convenient operation, reduces errors caused by manual assembly and improves the working efficiency.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a be applied to quick frock clamp of paster, wherein: the pneumatic hand-operated valve comprises a base, a left fixing seat, a curing press block, a force transducer, an air cylinder stroke limiting sleeve, a pneumatic hand-operated valve, a force transducer fixing seat, a right fixing seat, a left fixing seat limiting plate, a weighing instrument, a mandril pressing head, a right air cylinder mounting seat, a left air cylinder mounting seat, a front mounting seat, an adjusting bolt, a rear limiting plate, a mandril column, a spring, a front limiting plate, a rear mounting seat, an elastic body and a U-shaped clamp, wherein the left end of the air cylinder is fixedly arranged on the left air cylinder mounting seat, the right end of the air cylinder is fixedly arranged on the right air cylinder mounting seat, the right air cylinder mounting seat and the left air cylinder mounting seat are fixedly arranged on the base, the air cylinder stroke limiting sleeve is arranged at the right end of an air cylinder piston rod, the force transducer fixing seat is arranged at the left end of the air cylinder piston rod, the force transducer is arranged on the force transducer fixing seat, the pneumatic hand-operated valve is fixedly arranged on the base and the pneumatic hand-operated valve is connected with the air cylinder through an air pipe, the weighing instrument is connected with the force measuring sensor through a cable, the left fixing seat and the right fixing seat are fixedly arranged on the base, the left fixing seat limiting plate is fixedly arranged on the right side surface of the left fixing seat, the left end of the U-shaped clamp is arranged on the left fixing seat, the right end of the U-shaped clamp is arranged on the right fixing seat, the adjusting bolt is arranged in a threaded hole on the U-shaped clamp, the front mounting seat and the rear mounting seat are fixedly arranged on the base, the front limiting plate is fixedly arranged on the front mounting seat, the rear limiting plate is fixedly arranged on the rear mounting seat, the front end of the elastic body is arranged on the front mounting seat, the front end of the elastic body is propped against the front limiting plate, the rear end of the elastic body is arranged on the rear mounting seat, the rear end of the elastic body is propped against the rear limiting plate, the ejector rod pressure head is fixedly arranged at the left end of the ejector rod column, the ejector rod column is arranged in a mounting hole of the U-shaped clamp, the spring is sleeved on the ejector rod column, and the curing pressing block is arranged in the mounting hole of the elastic body.

In order to optimize the technical scheme, the specific measures adopted further comprise:

all be equipped with rectangle guide slot and U type and press from both sides both ends and install respectively in the rectangle guide slot on foretell left side fixing base and the right fixing base.

The axis of the threaded hole on the left side of the U-shaped clamp, the axis of the mounting hole on the right side of the U-shaped clamp and the axis of the cylinder are overlapped.

Two curing press blocks are arranged in the elastomer mounting hole, and the axis of the elastomer mounting hole is coincident with the axis of the ejector rod pressure head.

The adjusting bolt is internally provided with a mechanical spring, a fixed central shaft, a limiting block and an alignment head.

The left end of the ejector rod column is provided with external threads, and the right end of the ejector rod column is provided with a flange.

The front mounting seat, the rear mounting seat, the left fixing seat, the right air cylinder mounting seat, the left air cylinder mounting seat, the pneumatic hand-operated valve and the base are fixed by bolts, a force transducer is clamped in the force transducer fixing seat through a clamping groove, the force transducer fixing seat is connected with an air cylinder piston rod through a threaded structure, and the force transducer is connected into a weighing instrument through a transducer cable; marking and positioning are carried out on the elastic body, the strain gauge and the elastic body are coated with double-sided high-temperature curing glue together, the strain gauge after being coated with the glue is aligned with a cross mark and then is adhered to the elastic body, and the surface of the strain gauge is protected by a high-temperature-resistant covering film so as to be prevented from being damaged by external force; then putting the elastic body bonded with the strain gauge into two curing pressing blocks with high-temperature rubber blocks, and then integrally putting the elastic body on a front mounting seat and a rear mounting seat; adjusting the adjusting bolt to a required pressure value range (the adjusting bolt compresses an internal spring according to the stress state so as to transmit a force value), and screwing the adjusting bolt into one end with threads on the left side of the U-shaped clamp; firstly, sleeving a spring on a mandril column, then penetrating the mandril column into a U-shaped clamp mounting hole, and screwing a mandril pressure head into the left end of the mandril column through threads; placing the U-shaped clamp screwed with the adjusting bolt and the ejector rod pressure head on the left fixing seat and the right fixing seat, and rotating the adjusting bolt to enable the bolt alignment head and the ejector rod pressure head to be in contact with the curing press block, so that the curing press block cannot move; the force cell is a high-precision weighing sensor, is connected with a weighing instrument, is placed in a force cell fixing seat after being calibrated, and is connected with a power supply; the air cylinder and the pneumatic hand-operated valve are connected into an air storage tank, the pneumatic hand-operated valve is toggled to be switched, so that air is input into the air cylinder, a piston rod of the air cylinder moves towards a left U-shaped clamp, a force-bearing end of a force-measuring sensor is driven by a piston rod of the air cylinder to be in contact with an ejector rod pressure head on the U-shaped clamp and push the ejector rod pressure head to move towards the left, the ejector rod pressure head is stressed to extrude a right curing press block, meanwhile, an elastic body is stressed to move towards the left to drive a left curing press block to move, the left curing press block is stressed to exert pressure to an alignment head of an adjusting bolt, the alignment head compresses an internal spring, the spring is stressed to act on the left curing press block in a reverse mode, and a high-temperature rubber block of the curing press block uniformly exerts pressure on a strain gauge, so that pressurized patch curing is realized; meanwhile, the force is indirectly transmitted to the force transducer, and the stress pressure value of the curing press block is displayed through a weighing instrument; when the adjusting bolt fixes the central shaft, the stressed moving protrusion is flush with the bolt head of the shell, namely the curing pressure value reaches the required value, if the stress value does not reach or is too protruded or the instrument displays that the stress value does not reach the standard, the stroke of the air cylinder is adjusted by adjusting the stroke limiting sleeve of the air cylinder, so that the stress is ensured to reach the standard; after the curing pressure reaches the standard, a corresponding U-shaped plug piece is plugged between the ejector rod pressure head and the right side of the U-shaped clamp, the pneumatic hand-operated valve is pulled to release the force, the U-shaped plug piece is stressed, and the extrusion force of an adjusting bolt on the U-shaped clamp and the ejector rod pressure head on the curing press block is ensured to be unchanged; and (5) moving out the U-shaped clamp and the elastic body, and quickly curing the clamp.

The utility model has the advantages that:

1) the device is provided with a force transducer and a weighing display instrument, so that the curing pressure is visualized, the curing pressure is controllable, the consistency is ensured, and meanwhile, the pressure can be adjusted only by adjusting a cylinder stroke limiting sleeve and an adjusting bolt;

2) the operation is simple and convenient, the air cylinder is adopted to push the adjusting bolt to reach a fixed position, the rapid U-shaped plug piece is adopted to ensure the pressure to be stable, the errors caused by manual assembly and the manual integral assembly time are reduced, and the working efficiency is improved;

3) the compression mode of the elastomer and the strain gauge is that the high-temperature rubber block on the curing press block is uniformly acted on the strain gauge after being subjected to the fixed pressure transmitted by the cylinder through the adjusting bolt and the ejector rod, so that the consistency of the whole patch is controlled;

4) simple structure, processing is simple and convenient, easily assembles, can used repeatedly, and considering the elastomer size is different simultaneously, only need adjust left fixing base limiting plate, back limiting plate, preceding limiting plate and adjusting bolt's pressure range, need not to change other subassemblies, can realize the sharing.

Drawings

FIG. 1 is an isometric view of the structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a top view of the structure of the present invention;

fig. 4 is a left side view of the structure of the present invention.

Wherein the reference numerals are: the device comprises a base 1, a left fixing seat 2, a curing press block 3, a force measuring sensor 4, an air cylinder 5, an air cylinder stroke limiting sleeve 6, a pneumatic hand-operated trigger valve 7, a force measuring sensor fixing seat 8, a right fixing seat 9, a left fixing seat limiting plate 10, a weighing instrument 11, an ejector rod pressure head 12, a right air cylinder mounting seat 13, a left air cylinder mounting seat 14, a front mounting seat 15, an adjusting bolt 16, a rear limiting plate 17, an ejector rod column 18, a spring 19, a front limiting plate 20, a rear mounting seat 21, an elastic body 22 and a U-shaped clamp 23.

Detailed Description

The following further describes embodiments of the present invention in conjunction with the attached figures:

the utility model provides a be applied to quick frock clamp of paster, wherein: the device comprises a base 1, a left fixed seat 2, a curing press block 3, a force measuring sensor 4, an air cylinder 5, an air cylinder stroke limiting sleeve 6, a pneumatic hand-operated trigger valve 7, a force measuring sensor fixed seat 8, a right fixed seat 9, a left fixed seat limiting plate 10, a weighing instrument 11, an ejector rod pressure head 12, a right air cylinder mounting seat 13, a left air cylinder mounting seat 14, a front mounting seat 15, an adjusting bolt 16, a rear limiting plate 17, an ejector rod column 18, a spring 19, a front limiting plate 20, a rear mounting seat 21, an elastic body 22 and a U-shaped clamp 23, wherein the left end of the air cylinder 5 is fixedly mounted on the left air cylinder mounting seat 14, the right end of the air cylinder 5 is fixedly mounted on the right air cylinder mounting seat 13, the right air cylinder mounting seat 13 and the left air cylinder mounting seat 14 are fixedly mounted on the base 1, the air cylinder stroke limiting sleeve 6 is mounted at the right end of the air cylinder 5, the force measuring sensor fixed seat 8 is mounted at the tail end of the left side of a piston rod of the air cylinder 5, the load cell 4 is arranged on a load cell fixing seat 8, the pneumatic hand-operated valve 7 is fixedly arranged on a base 1, the pneumatic hand-operated valve 7 is connected with an air cylinder 5 through an air pipe, the weighing instrument 11 is connected with the load cell 4 through a cable, the left fixing seat 2 and the right fixing seat 9 are both fixedly arranged on the base 1, the left fixing seat limiting plate 10 is fixedly arranged on the right side surface of the left fixing seat 2, the left end of the U-shaped clamp 23 is arranged on the left fixing seat 2, the right end of the U-shaped clamp 23 is arranged on the right fixing seat 9, the adjusting bolt 16 is arranged in a threaded hole on the U-shaped clamp 23, the front mounting seat 15 and the rear mounting seat 21 are both fixedly arranged on the base 1, the front limiting plate 20 is fixedly arranged on the front mounting seat 15, the rear limiting plate 17 is fixedly arranged on the rear mounting seat 21, the front end of the elastic body 22 is arranged on the front mounting seat 15, and the front end of the elastic body 22 is propped against the front limiting plate 20, elastomer 22 rear end install on back mount pad 21 and elastomer 22 rear end top on back limiting plate 17, ejector pin pressure head 12 fixed mounting at ejector pin post 18 left end, ejector pin post 18 install in the U type presss from both sides 23 mounting holes, spring 19 cover on ejector pin post 18, solidification briquetting 3 install in elastomer 22's mounting hole.

In the embodiment, the left fixing seat 2 and the right fixing seat 9 are both provided with rectangular guide grooves, and two ends of the U-shaped clamp 23 are respectively installed in the rectangular guide grooves.

In the embodiment, the axis of the threaded hole on the left side of the U-shaped clamp 23, the axis of the mounting hole on the right side of the U-shaped clamp 23 and the axis of the air cylinder 5 are coincident.

In the embodiment, two curing press blocks 3 are arranged in the mounting hole of the elastic body 22, and the axis of the mounting hole of the elastic body 22 is coincident with the axis of the ejector rod pressure head 12.

In the embodiment, the adjusting bolt 16 is internally provided with a mechanical spring, a fixed central shaft, a limiting block and an alignment head.

In the embodiment, the left end of the post rod column 18 is provided with an external thread and the right end of the post rod column 18 is provided with a flange.

A front mounting seat 15, a rear mounting seat 21, a left fixing seat 2, a right fixing seat 9, a right air cylinder mounting seat 13, a left air cylinder mounting seat 14, a pneumatic hand-operated valve 7 and a base 1 are all fixed by bolts, a force measuring sensor 4 is clamped in a force measuring sensor fixing seat 8 through a clamping groove, the force measuring sensor fixing seat 8 is connected with a piston rod of an air cylinder 5 through a threaded structure, and the force measuring sensor 4 is connected into a weighing instrument 11 through a sensor cable; marking and positioning are carried out on the elastic body 22, the strain gauge and the elastic body 22 are coated with double-sided high-temperature curing glue together, the strain gauge after being coated with the glue is aligned with a cross mark and then is adhered to the elastic body 22, and the surface of the strain gauge is protected by a high-temperature-resistant covering film so as to be prevented from being damaged by external force; then placing the elastic body 22 bonded with the strain gauge into the two curing pressing blocks 3 with the high-temperature rubber blocks, and then integrally placing the two curing pressing blocks on the front mounting seat 15 and the rear mounting seat 21; adjusting the adjusting bolt 16 to a required pressure value range (the adjusting bolt 16 compresses an internal spring according to a stressed state so as to transmit a force value), and screwing the adjusting bolt 16 into one end with threads on the left side of the U-shaped clamp 23; firstly, sleeving a spring 19 on a mandril column 18, then penetrating the mandril column 18 into an installation hole of a U-shaped clamp 23, and screwing the mandril pressure head 12 into the left end of the mandril column 18 through threads; the U-shaped clamp 23 screwed with the adjusting bolt 16 and the ejector rod pressure head 12 is placed on the left fixing seat 2 and the right fixing seat 9, the adjusting bolt 16 is rotated to enable the bolt alignment head and the ejector rod pressure head 12 to be in contact with the curing press block 3, and the curing press block 3 is guaranteed to be incapable of moving; the force cell 4 is a high-precision weighing sensor, is connected with a weighing instrument 11, is calibrated and then is placed in the force cell fixing seat 8, and is connected with a power supply; the air cylinder 5 and the pneumatic hand-operated valve 7 are connected into an air storage tank, the pneumatic hand-operated valve 7 is switched on and off, so that air is input into the air cylinder 5, a piston rod of the air cylinder 5 moves towards the left U-shaped clamp 23, a force-bearing end of the force-measuring sensor 4 is driven by the piston rod of the air cylinder 5 to be in contact with an ejector rod pressure head 12 on the U-shaped clamp 23 and push against the ejector rod pressure head 12 to move towards the left, the ejector rod pressure head 12 is forced to extrude a right curing press block 3, meanwhile, an elastic body 22 is forced to move towards the left to drive a left curing press block 3 to move, the left curing press block 3 is forced to an alignment head of an adjusting bolt 16, the alignment head compresses an internal spring, the spring is reversely acted on the left curing press block 3 after being stressed, and a high-temperature rubber block of the curing press block 3 uniformly presses pressure on a strain gauge, so that pressurized patch curing is realized; meanwhile, the force is indirectly transmitted to the force transducer 4, and the stress pressure value of the curing pressing block 3 is displayed through the weighing instrument 11; when the adjusting bolt 16 fixes the central shaft to be stressed and move to protrude out of the same level with the bolt head of the shell, namely the curing pressure value reaches the required value, if the central shaft is not reached or is too protruded or the stress value displayed by the instrument does not reach the standard, the stroke of the air cylinder 5 is adjusted by adjusting the stroke limiting sleeve 6 of the air cylinder, so that the stress is ensured to reach the standard; after the curing pressure reaches the standard, a corresponding U-shaped plug piece is plugged between the ejector rod pressure head 12 and the right side of the U-shaped clamp 23, the pneumatic hand-operated trigger valve 7 is pulled to release the force, the U-shaped plug piece is stressed, and the extrusion force of the adjusting bolt 16 on the U-shaped clamp 23 and the ejector rod pressure head 12 on the curing press block 3 is ensured to be unchanged; the clevis 23 and elastomer 22 are removed and the quick cure fixture is complete.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may be made by those skilled in the art without departing from the principle of the utility model.

Claims

1. The utility model provides a be applied to quick frock clamp of paster which characterized in that: comprises a base (1), a left fixed seat (2), a curing press block (3), a force cell sensor (4), a cylinder (5), a cylinder stroke limit sleeve (6), a pneumatic hand-operated valve (7), a force cell sensor fixed seat (8), a right fixed seat (9), a left fixed seat limit plate (10), a weighing instrument (11), an ejector rod pressure head (12), a right cylinder mounting seat (13), a left cylinder mounting seat (14), a front mounting seat (15), an adjusting bolt (16), a rear limit plate (17), an ejector rod column (18), a spring (19), a front limit plate (20), a rear mounting seat (21), an elastic body (22) and a U-shaped clamp (23), wherein the left end of the cylinder (5) is fixedly arranged on the left cylinder mounting seat (14), the right end of the cylinder (5) is fixedly arranged on the right cylinder mounting seat (13), and the right cylinder mounting seat (13) and the left cylinder mounting seat (14) are fixedly arranged on the base (1), the air cylinder stroke limiting sleeve (6) is installed at the right end of the air cylinder (5), the force measuring sensor fixing seat (8) is installed at the tail end of the left side of a piston rod of the air cylinder (5), the force measuring sensor (4) is installed on the force measuring sensor fixing seat (8), the pneumatic hand-operated valve (7) is fixedly installed on the base (1) and is connected with the air cylinder (5) through an air pipe, the weighing instrument (11) is connected with the force measuring sensor (4) through a cable, the left fixing seat (2) and the right fixing seat (9) are fixedly installed on the base (1), the left fixing seat limiting plate (10) is fixedly installed on the right side face of the left fixing seat (2), the left end of the U-shaped clamp (23) is installed on the left fixing seat (2) and the U-shaped clamp (23) is installed on the right fixing seat (9), the adjusting bolt (16) is installed in a threaded hole in the right end of the U-shaped clamp (23), preceding mount pad (15) and back mount pad (21) all fixed mounting on base (1), preceding limiting plate (20) fixed mounting in the front on mount pad (15), back limiting plate (17) fixed mounting on back mount pad (21), elastomer (22) front end install before on mount pad (15) and elastomer (22) front end top in the front on limiting plate (20), elastomer (22) rear end install on back mount pad (21) and elastomer (22) rear end top on back limiting plate (17), ejector pin pressure head (12) fixed mounting in ejector pin post (18) left end, ejector pin post (18) install in U type clamp (23) mounting hole, spring (19) cover on ejector pin post (18), solidification briquetting (3) install in the mounting hole of elastomer (22).

2. The quick tooling clamp applied to the paster of claim 1 is characterized in that: and the left fixing seat (2) and the right fixing seat (9) are respectively provided with a rectangular guide groove, and two ends of the U-shaped clamp (23) are respectively arranged in the rectangular guide grooves.

3. The quick tooling clamp applied to the paster of claim 1 is characterized in that: the axis of the threaded hole at the left side of the U-shaped clamp (23), the axis of the mounting hole at the right side of the U-shaped clamp (23) and the axis of the cylinder (5) are overlapped.

4. The quick tooling clamp applied to the paster of claim 1 is characterized in that: two curing press blocks (3) are arranged in the elastomer (22) mounting hole, and the axis of the elastomer (22) mounting hole coincides with the axis of the ejector rod pressure head (12).

5. The quick tooling clamp applied to the paster of claim 1 is characterized in that: and a mechanical spring, a fixed central shaft, a limiting block and an alignment head are arranged in the adjusting bolt (16).

6. The quick tooling clamp applied to the paster of claim 1 is characterized in that: the left end of the ejector rod column (18) is provided with external threads, and the right end of the ejector rod column (18) is provided with a flange.