CN214705602U

CN214705602U - Resistance adjusting and polishing mechanism for resistance strain gauge

Info

Publication number: CN214705602U
Application number: CN202121363722.5U
Authority: CN
Inventors: 罗南
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-19
Filing date: 2021-06-19
Publication date: 2021-11-12
Anticipated expiration: 2031-06-19

Abstract

The utility model relates to the field of electronic element processing equipment, and provides a resistance strain gauge resistance-adjusting polishing mechanism, which comprises an adjusting bottom plate, an adjusting bottom plate hanger, a probe support, a probe adjusting rod, a probe fixing seat, a resistance value testing probe, a driving wheel, a tensioning wheel, a polishing pressure head and a polishing belt, wherein the adjusting bottom plate hanger comprises a hanger and a fixed plate, the adjusting bottom plate is connected with the hanger through a bolt, one end of the probe support is connected with the fixed plate, the other end of the probe support is connected with the upper part of the probe adjusting rod, the lower part of the probe adjusting rod is connected with the probe fixing seat, the resistance value testing probe is arranged on the probe fixing seat, the driving wheel, the tensioning wheel and the polishing pressure head are respectively arranged on the adjusting bottom plate, the polishing pressure head is positioned at the lower end part of the adjusting bottom plate, and the polishing belt is driven by the driving wheel to circularly move around the driving wheel, the tensioning wheel and the polishing pressure head. The utility model discloses a to the automatic resistance adjusting of resistance strain gauge polish, the pad is polished, reduced intensity of labour, improved production efficiency.

Description

Resistance adjusting and polishing mechanism for resistance strain gauge

Technical Field

The utility model belongs to electronic component processing equipment field, specific resistance strain gauge resistance adjusting grinding machanism.

Background

A strain gauge is an element for measuring strain that is constituted by a sensitive grid or the like. The working principle of the resistance strain gauge is based on the strain effect, namely, the elastic body material generates the strain force when being subjected to mechanical deformation under the action of external force, the resistance value of the strain gauge correspondingly changes, and the phenomenon is called as the strain effect. A plurality of resistive contacts are typically provided on the resistive strain gage.

At present, the unable accurate control of every resistance of the resistance foil gage of producing, can only adjust the size of needs through the artifical mode of polishing of later stage or machine polishing with the resistance, traditional artifical mode of polishing is fixed the stick of polishing on the small-size direct current motor shaft, the cotton is wrapped up in to the stick head, scribble some polishing powder on the cotton, polish on the test fixture limit test limit of installing two probes, this kind of manually operation's mode is not only production efficiency slow, produce easily moreover and polish hourglass, shortcomings such as resistance super-poor.

Disclosure of Invention

For overcoming the defect that prior art exists, the utility model provides a resistance strain gauge trimming grinding machanism realizes polishing to the automatic trimming of resistance strain gauge, reduces intensity of labour, improves production efficiency.

The utility model provides a resistance strain gauge resistance-adjusting grinding machanism, including adjusting the bottom plate, adjust the bottom plate gallows, the probe support, the probe adjustment pole, the probe fixing base, resistance test probe, the drive wheel, the take-up pulley, the pressure head of polishing and the area of polishing, it includes gallows and fixed plate to adjust the bottom plate gallows, it is connected with the gallows through the bolt to adjust the bottom plate, the one end of probe support is connected with the fixed plate, the other end of probe support is connected with the upper portion of probe adjustment pole, the lower part of probe adjustment pole is connected with the probe fixing base, resistance test probe sets up on the probe fixing base, the drive wheel, the take-up pulley, the pressure head of polishing sets up respectively on adjusting the bottom plate, wherein the pressure head of polishing is located the lower tip of adjusting the bottom plate, the area of polishing encircles the drive wheel under the drive of drive wheel, the take-up pulley, the pressure head of polishing is cyclic motion.

During the use, the adjusting bottom plate gallows passes through the fixed plate setting and on reciprocating Z axle of polisher, will treat to polish the resistance strain gauge and place on the product supports the chassis, and resistance test probe treats the contact of polishing the resistance strain gauge and measures one by one, unsatisfied the setting value, moves to under the pressure head of polishing, and the operation of polishing is carried out in the belt drive of polishing, and until the resistance reaches the setting value, next contact is measured again to resistance test probe, so circulation.

The probe comprises a probe support, a marking striker seat, a marking needle seat and a marking needle seat, wherein the marking striker is arranged on the marking striker seat; when the resistance test probe detects that the resistance of the contact of the resistance strain gauge is abnormal, the marking striker descends to mark the damaged contact on the resistance strain gauge.

Furthermore, the polishing machine also comprises a dust removal device which is arranged on the adjusting bottom plate and positioned right above the polishing belt so as to collect (remove) dust which is taken out by the polishing belt.

Furthermore, a sliding groove is formed in the adjusting bottom plate, a wheel shaft of the tensioning wheel penetrates through the sliding groove and is fixed, and the position of the tensioning wheel can be changed in the sliding groove so as to adjust the tightness of the grinding belt and meet the requirements of different tensioning forces.

The spring adjusting device further comprises a spring and a pressing bolt, wherein the upper part of the adjusting bottom plate is provided with a spring groove, one end of the adjusting bottom plate is connected with a hanger pin (connected) through a bolt, one end of the spring is fixedly arranged in the spring groove, and the pressing bolt penetrates through the hanger and is fixedly connected with the other end of the spring; thus, self-adaptive jacking aiming at different resistance strain gauges is realized.

Furthermore, the upper part of the probe adjusting rod and the upper part of the marking needle collision seat are respectively provided with a strip-shaped through hole, so that the positions of the resistance value testing probe and the marking needle collision seat can be conveniently adjusted.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. the automatic resistance adjustment and polishing of the resistance strain gauge are realized, the labor intensity is reduced, and the production efficiency is improved;

2. the damaged contact is marked, so that the identification is convenient;

3. various adjusting mechanisms are adopted, so that flexible adjustment is facilitated, and production is more convenient;

4. and the dust removal device is adopted to perform dust removal operation on the grinding belt, so that the service durability of the equipment is improved.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a resistance-adjusting polishing mechanism for a resistance strain gauge of the present invention;

fig. 2 is a schematic plan view of a resistance trimming and polishing mechanism for a resistance strain gauge of the present invention;

fig. 3 is a schematic structural diagram of a resistance-strain gauge trimming and grinding machine.

Reference is made to the following in corresponding reference numbers in the drawings of the specification:

1. adjusting the bottom plate; 2. adjusting the bottom plate hanger; 21. a hanger; 22. a fixing plate; 3. a probe holder; 4. marking a needle bumping seat; 5. a probe adjusting rod; 6. marking a striker; 7. polishing a pressure head; 8. polishing the belt; 9. a dust removal device; 10. a probe fixing seat; 11. a resistance value test probe; 12. a tension wheel; 13. a driving wheel; 14. a spring; 15. a hold-down bolt; 16. a chute; 17. moving the Z axis up and down; 18. the product supports the chassis.

Detailed Description

In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings. It should be noted that the directional terms used in the present invention, such as "inner", "outer", "upper", "lower", "left", "right", "front" and "rear", are used for describing the technical solutions simply and clearly, and should not be construed as limiting the scope of the present patent; it should be noted that the shapes, patterns and other structures shown in the drawings related to the background art are for clearly showing the technical solutions of the present patent, and the technical improvements of the present patent are highlighted, and it should not be understood that the shapes, patterns and other structures of the present patent are disclosed by the background art.

Referring to the attached drawings 1-3, the resistance strain gauge resistance-adjusting polishing mechanism comprises an adjusting base plate 1, an adjusting base plate hanger 2, a probe support 3, a probe adjusting rod 5, a probe fixing seat 10, a resistance value testing probe 11, a driving wheel 13, a tension wheel 12, a polishing pressure head 7 and a polishing belt 8, wherein the adjusting base plate hanger 2 comprises a hanger 21 and a fixing plate 22, the adjusting base plate 1 is connected with the hanger 21 through bolts, one end of the probe support 3 is connected with the fixing plate 22, the other end of the probe support 3 is connected with the upper part of the probe adjusting rod 5, the lower part of the probe adjusting rod 5 is connected with the probe fixing seat 10, the resistance value testing probe 11 is arranged on the probe fixing seat 10, the driving wheel 13, the tension wheel 12 and the polishing pressure head 7 are respectively arranged on the adjusting base plate 1, wherein the polishing pressure head 7 is positioned at the lower end part of the adjusting base plate 1, and the polishing belt 8 is driven by the driving wheel 13 to encircle the driving wheel 13, The tensioning wheel 12 and the grinding pressure head 7 do circular motion.

During the use, adjusting bottom plate gallows 2 sets up on reciprocating Z axle 17 of polisher through fixed plate 22, will wait to polish resistance strain gauge and place on product support chassis 18, and resistance test probe 11 treats the contact of polishing resistance strain gauge and measures one by one, and the contact that does not satisfy the setting value moves to polishing pressure head 7 under, and polishing 8 transmission carries out the operation of polishing, and until the contact reaches the setting value, resistance test probe 11 remeasures next contact, so circulation.

Furthermore, the probe comprises a marking striker 6 and a marking striker base 4, wherein the marking striker 6 is arranged on the marking striker base 4, and the marking striker base 4 is arranged on the probe bracket 3; when the resistance test probe 11 detects that the resistance of the contact of the resistance strain gauge is abnormal, the marking striker 6 descends to mark the damaged contact on the resistance strain gauge.

Further, the dust removing device 9 is further included, and the dust removing device 9 is arranged on the adjusting bottom plate 1 and located right above the polishing belt 8 so as to collect dust brought out by polishing of the polishing belt 8.

Furthermore, a sliding groove 16 is formed in the adjusting base plate 1, a wheel shaft of the tensioning wheel 12 penetrates through the sliding groove 16 and is fixed, and the position of the tensioning wheel 12 can be changed in the sliding groove 16 to adjust the tightness of the grinding belt 8, so that the requirements of different tensioning forces are met.

Further, the adjustable base plate comprises a spring 14 and a pressing bolt 15, wherein a spring groove is formed in the upper portion of the adjustable base plate 1, one end of the adjustable base plate 1 is connected with a hanger 21 through a bolt in a pin mode, one end of the spring 14 is fixedly arranged in the spring groove, and the pressing bolt 15 penetrates through the hanger 21 and then is fixedly connected with the other end of the spring 14; thus, self-adaptive jacking aiming at different resistance strain gauges is realized.

Furthermore, the upper part of the probe adjusting rod 5 and the upper part of the marking needle collision seat 4 are respectively provided with a strip-shaped through hole, so that the positions of the resistance value testing probe 11 and the marking needle collision seat 4 can be conveniently adjusted.

2. the damaged contact is marked, so that the identification is convenient;

4. and the dust removal device 9 is adopted to remove dust from the grinding belt 8, so that the service durability of the equipment is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Resistance foil gage resistance adjusting grinding machanism, its characterized in that: including adjusting the bottom plate, adjust the bottom plate gallows, the probe support, the probe adjustment pole, the probe fixing base, resistance test probe, the drive wheel, the take-up pulley, polish the pressure head and polish the area, it includes gallows and fixed plate to adjust the bottom plate gallows, it is connected with the gallows through the bolt to adjust the bottom plate, the one end of probe support is connected with the fixed plate, the other end of probe support is connected with the upper portion of probe adjustment pole, the lower part of probe adjustment pole is connected with the probe fixing base, resistance test probe sets up on the probe fixing base, the drive wheel, the take-up pulley, the pressure head of polishing sets up respectively on adjusting the bottom plate, wherein polish the pressure head and be located the lower tip of adjusting the bottom plate, the area of polishing encircles the drive wheel under the drive of drive wheel, the take-up pulley, the pressure head of polishing is cyclic motion.

2. The resistance-strain gauge resistance-trimming grinding mechanism according to claim 1, wherein: the probe comprises a probe support, a marking striker and a marking striker seat, wherein the marking striker is arranged on the marking striker seat, and the marking striker seat is arranged on the probe support.

3. The resistance-strain gauge resistance-trimming grinding mechanism according to claim 1, wherein: still include dust collector, dust collector sets up on adjusting the bottom plate, is located directly over the area of polishing.

4. The resistance-strain gauge resistance-trimming grinding mechanism according to claim 1, wherein: the adjusting bottom plate is provided with a sliding groove, a wheel shaft of the tensioning wheel penetrates through the sliding groove and is fixed, and the position of the tensioning wheel can be changed in the sliding groove.

5. The resistance-strain gauge resistance-trimming grinding mechanism according to claim 1, wherein: the spring hanger is characterized by further comprising a spring and a pressing bolt, wherein a spring groove is formed in the upper portion of the adjusting bottom plate, one end of the adjusting bottom plate is connected with the hanger pin through a bolt, one end of the spring is fixedly arranged in the spring groove, and the pressing bolt penetrates through the hanger and then is fixedly connected with the other end of the spring.

6. The resistance-strain gauge resistance-trimming grinding mechanism according to claim 1, wherein: the upper part of the probe adjusting rod and the upper part of the marking needle collision seat are respectively provided with a strip-shaped through hole.