CN113092370A - Adjustable clamp of testing device - Google Patents
Adjustable clamp of testing device Download PDFInfo
- Publication number
- CN113092370A CN113092370A CN202110340332.4A CN202110340332A CN113092370A CN 113092370 A CN113092370 A CN 113092370A CN 202110340332 A CN202110340332 A CN 202110340332A CN 113092370 A CN113092370 A CN 113092370A
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- wire
- arm
- support
- straight arm
- groove
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000009471 action Effects 0.000 abstract description 16
- 230000033001 locomotion Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Abstract
The invention discloses an adjustable clamp of a testing device, which comprises: the device comprises a support, a driving cylinder and a side frame, wherein the support is provided with a support, a driving cylinder and a side frame, the support is provided with a long rod, and the long rod makes lever motion by taking the support as a fulcrum; a thread end fixing base is fixedly installed at the bottom of the support or on the ground, a straight arm is rotatably connected to the end of the long rod, the long rod drives the straight arm to move longitudinally, the side frame is used for limiting and guiding the movement of the long rod, a clamping device is installed at the upper end part of the straight arm, the starting end of a pull wire is fixed on the thread end fixing base, then the pull wire penetrates through the straight arm and is connected into the clamping device, the pull wire drives the clamping device to perform clamping action, the driving cylinder drives the straight arm to act, and the straight arm acts to drive the pull wire to act; the clamping device has the advantages that large samples can be clamped conveniently and quickly, the structure is simple, the maintenance and the assembly are convenient, and the use and the production cost can be effectively reduced.
Description
Technical Field
The invention relates to the field of test device equipment, in particular to an adjustable clamp of a test device.
Background
The existing testing device is generally clamped and adjusted by hand or clamped by a clamping jaw driven by a servo motor.
Due to the fact that manual clamping efficiency is low, when the number of samples is too large, repeated clamping actions are prone to fatigue, and clamping errors are caused; although the efficiency and the precision of the servo motor clamping are higher, the manufacturing cost is high, the cost of later-period maintenance and repair is also higher, a sample is placed on a test bed during use, the test bed translates the sample to the position under the clamping jaw through visual positioning, the sample position is rotationally adjusted, the clamping device translates up and down under the driving of the stepping motor or the air cylinder, and the clamping or the loosening is carried out under the driving of the servo motor. It can be seen that completing a clamping action at least comprises: the clamping jaw moves downwards → the clamping jaw clamps upwards → the clamping jaw loosens, while the conventional clamping device is completed by a servo motor and a cylinder, and a complicated transmission device is required to complete the action of the cylinder by using the servo motor, but the cost is too high. And traditional cylinder clamping jaw is at the centre gripping in-process, and in order to press from both sides steadily fast, generally can carry on spacingly to the stroke of clamping jaw, avoid pressing from both sides too tightly and lead to the sample impaired to generally can not adjust, nevertheless can lead to the clamping jaw can not be suitable for multiple type sample like this, whole work efficiency is not high.
Accordingly, there is a need for an adjustable clamp for a testing device that addresses one or more of the above problems.
Disclosure of Invention
To address one or more of the problems of the prior art, the present invention provides an adjustable clamp for a testing device. The technical scheme adopted by the invention for solving the problems is as follows: an adjustable fixture for a test device, comprising: the support is fixedly arranged on the support;
the long rod is divided into a long section and a short section, is arranged on the support and rotates by taking the support as a fulcrum;
the front end of the front rotating connecting piece is rotatably arranged at the end part of the short section;
the front end of the rear adapter is rotatably arranged at the end part of the long section;
the driving cylinder is fixedly arranged on the support, the cylinder of the driving cylinder is rotatably connected with the rear end of the front rotating connecting piece, and the driving cylinder drives the long rod to rotate;
the wire end fixing base is fixedly arranged on the ground or at the bottom of the support and used for fixing the wire end of the stay wire;
the side frame is fixedly arranged on the bracket, a guide piece is fixedly arranged on the side frame, and a matching bulge is arranged on the guide piece;
the side surface of the straight arm is provided with a guide groove matched with the matching bulge, the side surface of the lower end part of the straight arm is provided with a connecting groove, the rear end of the front rotating connecting piece is matched and rotatably connected with the connecting groove, the top of the straight arm is provided with a threading support, a thread hole is formed in the straight arm, and the straight arm is installed on the guide piece and the front rotating connecting piece;
the clamping device is provided with a mounting box, the mounting box is fixedly mounted at the upper end part of the straight arm, a mounting groove is formed in the mounting box, and a sliding groove is formed in the side surface of the mounting box;
the upper end part of the sliding piece is provided with a wire fixing groove, the front side surface of the sliding piece is provided with two chutes which are symmetrically arranged, and the sliding piece is slidably arranged in the mounting groove;
the stopper is fixedly arranged at the bottom of the mounting groove and used for limiting the slider and preventing the slider from falling off;
the upper end part of each clamping arm is provided with a sliding arm, the sliding arm is slidably mounted in the chute, the end part of the sliding arm is provided with a locking hole, the locking hole is matched with the chute, the locking hole is connected with the chute through a pin, and the two clamping arms are slidably mounted on the chute and symmetrically arranged;
the starting end part of the pull wire is fixed on the wire head fixing base, and the pull wire penetrates through the wire hole and bypasses the threading support to be fixedly connected into the wire fixing groove.
Furthermore, a flange is arranged on the thread end fixing base, a screw is connected with the inner thread of the flange, and a thread fixing hole is formed in the screw;
and a second screw is connected in the thread fixing groove in a threaded manner, a second thread fixing hole is formed in the second screw, and the second thread fixing hole is used for fixing the thread head of the pull thread.
Further, the straight arm is in an inverted L shape, a second wire hole is formed in the front end of the upper end portion of the straight arm, the pull wire penetrates through the second wire hole and then is inverted into the wire fixing groove in the slider, the mounting box is fixedly mounted on the bottom face of the front end of the upper end portion of the straight arm, and the mounting groove is matched with the second wire hole.
Furthermore, the upper surface of the stopper is provided with a limiting protrusion, the limiting protrusion is used for abutting against the slider, and the sliding stroke of the slider is adjusted by adjusting the height of the limiting protrusion.
Furthermore, the chutes are symmetrically arranged and then are in an inverted splayed shape.
Furthermore, the lower tip of arm lock is provided with the regulating arm, be provided with the regulation cross slot on the regulating arm, fixed mounting has the clamping jaw on the regulation cross slot, through adjust the cross slot regulation the mounted position of clamping jaw.
Furthermore, the front side face and the rear side face of the mounting box are provided with the sliding grooves, and two clamping arms are symmetrically mounted in each sliding groove.
Further, the threading support is provided with two.
Further, the adjusting transverse groove is obliquely arranged, and the height of the outward end of the adjusting transverse groove is lower than that of the inward end of the adjusting transverse groove.
The invention has the advantages that the bracket, the long rod, the front and rear adapter pieces, the driving cylinder, the thread end fixing base, the side frame, the straight arm, the clamping device and other components are connected together through a smart structure, the cylinder is used for driving the long rod to do lever motion, and the long rod is tilted, at the moment, because the length of the stay wire is not changed, the long rod moves upwards to lengthen the longitudinal part of the stay wire, the transverse part of the stay wire is shortened, namely the stay wire pulls the sliding piece to move upwards, the chute drives the clamping arm to move inwards to clamp, and the clamping action and the lifting action are carried out simultaneously, so that the quick clamping is realized, and the clamping length of the clamping arm and the lifting height of the long rod can be adjusted; to the test centre gripping action of major possession sample, realize simpler through servo motor's structure relatively, the cost is lower, and the structure is succinct and is convenient for maintain. The practical value of the invention is greatly improved.
Drawings
FIG. 1 is a perspective view of an adjustable fixture of a test apparatus of the present invention;
FIG. 2 is a perspective view of an adjustable clamp bar of a testing device of the present invention;
FIG. 3 is a cross-sectional view of an elongated bar of an adjustable clamp of a testing device of the present invention;
FIG. 4 is a perspective view of a thread end fixing base of an adjustable clamp of a testing device according to the present invention;
FIG. 5 is a perspective view of a side frame of an adjustable clamp of a test apparatus of the present invention;
FIG. 6 is a perspective view of a clamping device of an adjustable clamp of a testing device of the present invention;
FIG. 7 is an exploded view of a clamping assembly of an adjustable clamp of a testing apparatus of the present invention;
FIG. 8 is a cross-sectional view of a clamping device of an adjustable clamp of a testing device of the present invention.
[ reference numerals ]
101. bracket
110. stay wire
201. support
301. long rod
302. long section
303. short section
310. front connector
311. rear adapter
320. drive cylinder
401. wire end fixing base
402. flange
403. screw
404. hole for fixing wire
501. side frame
510. guide member
511. mating projection
601. straight arm
602. guide groove
603. connecting groove
604. threading support
605. line hole
606. second wire hole
701. clamping device
710. mounting box
711 mounting groove
712 sliding chute
713. stopper
714. first projection
715. second projection
716. limiting projection
720 slider
721. fixed wire groove
722. second screw
723. second wire fixing hole
724. chute
730. clamping arm
731. slide arm
732. locking hole
733. regulating arm
734. regulating transverse groove
801. clamping jaw.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1 to 8, the present invention discloses an adjustable clamp of a testing apparatus, which includes: the support 101 is characterized in that a support 201 is fixedly arranged on the support 101;
the long rod 301 is divided into a long section 302 and a short section 303, and the long rod 301 is mounted on the support 201 and rotates by taking the support 201 as a fulcrum;
the front end of the front connecting piece 310 is rotatably arranged at the end part of the short section 303;
the front end of the rear adapter 311 is rotatably arranged at the end part of the long section 302;
the driving air cylinder 320 is fixedly installed on the support 101, the air cylinder of the driving air cylinder 320 is rotatably connected with the rear end of the front rotating connecting piece 310, and the driving air cylinder 320 drives the long rod 301 to rotate;
the wire end fixing base 401 is fixedly arranged on the ground or at the bottom of the support 101, and the wire end fixing base 401 is used for fixing a wire end of a pull wire;
the side frame 501 is fixedly arranged on the bracket 101, a guide piece 510 is fixedly arranged on the side frame 501, and a matching protrusion 511 is arranged on the guide piece 510;
a straight arm 601, a guide groove 602 matched with the matching protrusion 511 is arranged on the side surface of the straight arm 601, a connecting groove 603 is arranged on the side surface of the lower end part of the straight arm 601, the rear end of the front connector 310 is matched and rotatably connected with the connecting groove 603, a threading support 604 is arranged on the top of the straight arm 601, a thread hole 605 is arranged in the straight arm 601, and the straight arm 601 is installed on the guide piece 510 and the front connector 310;
the clamping device 701 is provided with a mounting box 710, the mounting box 710 is fixedly mounted at the upper end part of the straight arm 601, a mounting groove 711 is arranged in the mounting box 710, and a sliding groove 712 is arranged on the side surface of the mounting box 710;
a slider 720, wherein a wire fixing slot 721 is arranged at the upper end of the slider 720, two chutes 724 are symmetrically arranged on the front side surface of the slider 720, the chutes 724 may penetrate through the chutes, and the slider 720 is slidably mounted in the mounting groove 711;
a stopper 713, wherein the stopper 713 is fixedly installed at the bottom of the installation groove 711, and the stopper 713 is used for limiting the slider 720 and preventing the slider 720 from falling;
the upper end of each clamping arm 730 is provided with a sliding arm 731, the sliding arm 731 is slidably mounted in the sliding groove 712, the end of the sliding arm 731 is provided with a locking hole 732, the locking hole 732 is matched with the inclined groove 724, the locking hole 732 is connected with the inclined groove 724 through a pin, and the two clamping arms 730 are slidably mounted on the sliding groove 712 and are symmetrically arranged;
a pull wire 110, the initial end of the pull wire 110 is fixed on the thread end fixing base 401, the pull wire 110 passes through the thread hole 605 and bypasses the threading bracket 604 to be fixedly connected into the thread fixing groove 721.
As shown in fig. 1, when the present invention is used, the driving cylinder 320 drives the long rod 301 to perform a lever motion, tilting the straight arm 601, the straight arm 601 moves vertically upwards under the action of the side frame 501, after the straight arm 601 tilts up, because the total length of the stay wire 110 is not changed, the longitudinal part of the stay wire 110 is lengthened, the lateral portion thereof is inevitably shortened, so that the wire 110 pulls the slider 720 upward, when the slider 720 moves upwards, under the action of the chute 724 and the chute 712, the two symmetrically arranged clamping arms 730 perform horizontal translation movement (when the sliding groove 712 is horizontally arranged) to clamp a sample, the clamping action and the lifting action are very fast and generally performed simultaneously, the sample can be quickly clamped and lifted, other actions to be tested or NG and OK operations can be performed, and after the clamping is released, the slide 720 pulls the pull wire 110 to reset together under the action of gravity. Generally, the movement stroke of the driving cylinder 320 is limited, and the pull wire 110 has a certain elasticity.
It should be noted that the front adapter 310 and the rear adapter 311 are arranged to facilitate the rotational connection between the two components, and the ascending height of the straight arm 601 can be adjusted by replacing the adapters with different lengths, and the longer the front adapter 310 is, the longer the ascending distance of the straight arm 601 is, and the guide groove 602 can also limit the stroke of the straight arm 601.
Specifically, as shown in fig. 4 and 7, a flange 402 is provided on the string head fixing base 401, a screw 403 is connected to the flange 402 through a thread, and a string hole 404 is provided on the screw 403;
a second screw 722 is connected to the thread fixing groove 721 through a female thread, a second thread fixing hole 723 is formed in the second screw 722, and the second thread fixing hole 723 is used for fixing a thread end of the pull thread 110.
Specifically, as shown in fig. 2 and 3, the straight arm 601 is in an inverted L shape, a second wire hole 606 is formed in a front end of an upper end portion of the straight arm 601, the pull wire 110 passes through the second wire hole 606 and enters the wire fixing groove 721 on the slider 720, the mounting box 710 is fixedly mounted on a bottom surface of the front end of the upper end portion of the straight arm 601, and the mounting groove 711 is matched with the second wire hole 606. Generally, there are two threading brackets 604. The threading bracket 604 functions to facilitate adjustment of the position of the wire 110 and to withstand the downward pressure of the wire 110.
Specifically, as shown in fig. 8, the stopper 713 is provided at an upper surface thereof with a limit protrusion 716, the limit protrusion 716 is used to abut against the slider 720, and the sliding stroke of the slider 720 is adjusted by adjusting the height of the limit protrusion 716. Generally, the inclined slots 724 are symmetrically arranged and then have an inverted-splayed shape, so that the two clamping arms 730 are spread apart when the slider 720 is at the bottom of the mounting groove 711, and the two clamping arms 730 are pulled close to clamp when the slider 720 moves upwards. Generally, the clamping arms 730 are plastic members, the slider 720 is a metal member, and a weight is optionally disposed in the slider 720 to facilitate gravity return.
Specifically, as shown in fig. 6 to 8, an adjusting arm 733 is disposed at a lower end of the clamping arm 730, an adjusting transverse slot 734 is disposed on the adjusting arm 733, a clamping jaw 801 is fixedly mounted on the adjusting transverse slot 734, and the mounting position of the clamping jaw 801 is adjusted through the adjusting transverse slot 734. Generally, the front and rear sides of the mounting box 710 are provided with the sliding grooves 712, and two clamping arms 730 are symmetrically mounted in each sliding groove 712, i.e. a total of 4 clamping arms 730 are provided, and two clamping arms are a group, so that the clamping is more stable. When the adjusting transverse slot 734 is arranged obliquely, the height of the outward end of the adjusting transverse slot 734 is lower than that of the inward end thereof, so as to finely adjust the height position of the clamping jaw 801.
In summary, the bracket 101, the long rod 301, the front and rear adapters, the driving cylinder 320, the thread end fixing base 401, the side frame 501, the straight arm 601, the clamping device 701 and other components are connected together through a smart structure, the cylinder is used to drive the long rod to make lever motion, and the long rod is tilted up, at this time, because the length of the pull wire is not changed, the long rod moves upwards to lengthen the longitudinal part of the pull wire, the transverse part of the pull wire is shortened, namely the pull wire pulls the slider to move upwards, the inclined groove drives the clamping arm to move inwards to clamp, and the clamping action and the lifting action are performed simultaneously, so that the sample is clamped while the sample is clamped, and the clamping length of the clamping arm and the lifting height of the long rod can be adjusted; to the test centre gripping action of major possession sample, realize simpler through servo motor's structure relatively, the cost is lower, and the structure is succinct and is convenient for maintain. The practical value of the invention is greatly improved.
The above-described examples merely represent one or more embodiments of the present invention, which are described in greater detail and detail, but are not to be construed as limiting the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the spirit of the invention, which falls within the scope of the invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. An adjustable clamp for a testing device, comprising: the support is fixedly arranged on the support;
the long rod is divided into a long section and a short section, is arranged on the support and rotates by taking the support as a fulcrum;
the front end of the front rotating connecting piece is rotatably arranged at the end part of the short section;
the front end of the rear adapter is rotatably arranged at the end part of the long section;
the driving cylinder is fixedly arranged on the support, the cylinder of the driving cylinder is rotatably connected with the rear end of the front rotating connecting piece, and the driving cylinder drives the long rod to rotate;
the wire end fixing base is fixedly arranged on the ground or at the bottom of the support and used for fixing the wire end of the stay wire;
the side frame is fixedly arranged on the bracket, a guide piece is fixedly arranged on the side frame, and a matching bulge is arranged on the guide piece;
the side surface of the straight arm is provided with a guide groove matched with the matching bulge, the side surface of the lower end part of the straight arm is provided with a connecting groove, the rear end of the front rotating connecting piece is matched and rotatably connected with the connecting groove, the top of the straight arm is provided with a threading support, a thread hole is formed in the straight arm, and the straight arm is installed on the guide piece and the front rotating connecting piece;
the clamping device is provided with a mounting box, the mounting box is fixedly mounted at the upper end part of the straight arm, a mounting groove is formed in the mounting box, and a sliding groove is formed in the side surface of the mounting box;
the upper end part of the sliding piece is provided with a wire fixing groove, the front side surface of the sliding piece is provided with two chutes which are symmetrically arranged, and the sliding piece is slidably arranged in the mounting groove;
the stopper is fixedly arranged at the bottom of the mounting groove and used for limiting the slider and preventing the slider from falling off;
the upper end part of each clamping arm is provided with a sliding arm, the sliding arm is slidably mounted in the chute, the end part of the sliding arm is provided with a locking hole, the locking hole is matched with the chute, the locking hole is connected with the chute through a pin, and the two clamping arms are slidably mounted on the chute and symmetrically arranged;
the starting end part of the pull wire is fixed on the wire head fixing base, and the pull wire penetrates through the wire hole and bypasses the threading support to be fixedly connected into the wire fixing groove.
2. The adjustable clamp of the testing device as claimed in claim 1, wherein a flange is provided on the thread end fixing base, a screw is connected to the flange in a threaded manner, and a thread fixing hole is provided on the screw;
and a second screw is connected in the thread fixing groove in a threaded manner, a second thread fixing hole is formed in the second screw, and the second thread fixing hole is used for fixing the thread head of the pull thread.
3. The adjustable clamp of the testing device as claimed in claim 1, wherein the straight arm is inverted L-shaped, a second wire hole is formed at a front end of an upper end portion of the straight arm, the pull wire penetrates through the second wire hole and then is inverted into the wire fixing groove on the slider, the mounting box is fixedly mounted on a bottom surface at the front end of the upper end portion of the straight arm, and the mounting groove is matched with the second wire hole.
4. The adjustable clamp for the testing device according to claim 1, wherein the stopper is provided with a limiting protrusion on an upper surface thereof, the limiting protrusion is used for abutting against the slider, and the sliding stroke of the slider is adjusted by adjusting the height of the limiting protrusion.
5. The adjustable clamp of claim 1, wherein the chutes are symmetrically arranged and have an inverted splay shape.
6. The adjustable clamp of the testing device as claimed in claim 1, wherein the lower end of the clamping arm is provided with an adjusting arm, the adjusting arm is provided with an adjusting transverse slot, the adjusting transverse slot is fixedly provided with a clamping jaw, and the mounting position of the clamping jaw is adjusted through the adjusting transverse slot.
7. The adjustable clamp of a testing device according to claim 1, wherein the front and rear side surfaces of the mounting box are provided with the sliding grooves, and two clamping arms are symmetrically mounted in each sliding groove.
8. The adjustable clamp of claim 1 wherein there are two threading brackets.
9. The adjustable clamp of claim 6, wherein the adjusting transverse slot is disposed obliquely, and the height of the outward end of the adjusting transverse slot is lower than that of the inward end of the adjusting transverse slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340332.4A CN113092370B (en) | 2021-03-30 | 2021-03-30 | Adjustable clamp of testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340332.4A CN113092370B (en) | 2021-03-30 | 2021-03-30 | Adjustable clamp of testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113092370A true CN113092370A (en) | 2021-07-09 |
| CN113092370B CN113092370B (en) | 2024-04-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110340332.4A Active CN113092370B (en) | 2021-03-30 | 2021-03-30 | Adjustable clamp of testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113092370B (en) |
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| CN113092370B (en) | 2024-04-19 |
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