CN211954951U

CN211954951U - Electronic pendulum bob tearing instrument

Info

Publication number: CN211954951U
Application number: CN202020647737.3U
Authority: CN
Inventors: 张飞; 胡凇月; 陈维维; 周秀艳; 史顺青; 王静; 王焕莲; 姚君; 李明
Original assignee: Tianfang Biao Shanghai Testing Technology Co ltd
Current assignee: Tianfang Biao Shanghai Testing Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-11-17
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to an electronic pendulum bob tearing instrument, which comprises a shell, a speed reducing motor and a cut-off knife, wherein the cut-off knife comprises a knife handle and a blade, and also comprises a mounting device for fixing the knife handle, the mounting device comprises an insert block which is clamped at one end of the knife handle close to the speed reducing motor, a connecting block which is in threaded connection with one end of an output shaft of the speed reducing motor, and a first slot which is arranged at one end of the connecting block far away from the output shaft of the speed reducing motor and is used for inserting the insert block; the inner wall of the first slot is provided with a through hole, a bolt is connected in the through hole in a sliding manner along the radial direction of the first slot, the insert block is provided with a second slot for inserting the bolt, one end of the bolt far away from the insert block is fixedly connected with a handle, and the handle protrudes out of the outer side wall of the connecting block; and an elastic component for enabling the bolt to abut against the inner wall of the second slot is arranged in the through hole. The utility model discloses a set up installation device, be convenient for change the cut-off knife.

Description

Electronic pendulum bob tearing instrument

Technical Field

The utility model belongs to the technical field of the fabric performance detects technique and specifically relates to an appearance is torn to electron pendulum is related to.

Background

The tear performance of a textile refers to the force required to tear a fabric sample under specified conditions. The textile impact pendulum method is a commonly used measuring method, generally, a small opening is cut on a test sample, and the force value required when the test sample is torn for a certain length from the small opening is the tearing strength of the fabric.

The prior art can refer to the chinese utility model patent that the grant bulletin number is CN205449695U, and it discloses an appearance is torn to electronic type fabric, including casing and control system, be equipped with stationary clamp, swing arm, activity clamp and counter weight on the casing, the casing internal fixation has the oscillating axle, swing arm and handle axle are connected to the one end of oscillating axle, and the other end of oscillating axle is connected with the encoder, and the swing arm can be along with the oscillating axle swing under the effect of handle axle, still be fixed with release cylinder and gear motor in the casing, a blade is connected to gear motor, the blade sets up in the clearance between stationary clamp and activity clamp, is fixed with the proximity switch that detects the blade position on the casing, proximity switch, gear motor, encoder, release cylinder all are connected with the control system electricity. The tearing instrument can be used for measuring the tearing strength of various woven fabrics and the like, and has the advantages of high automation degree and high use stability and precision.

The above prior art solutions have the following drawbacks: after the blade is used for a period of time, the blade is easy to damage, and the blade is inconvenient to replace by the equipment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an appearance is torn to electron pendulum, it is convenient for change the cut-off knife through setting up installation device.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an electronic pendulum bob tearing instrument comprises a shell, a speed reducing motor and a cutter, wherein the cutter comprises a cutter handle and a blade, and further comprises a mounting device for fixing the cutter handle, the mounting device comprises an insert block clamped at one end, close to the speed reducing motor, of the cutter handle, a connecting block in threaded connection with one end of an output shaft of the speed reducing motor, and a first slot, which is formed in one end, far away from the output shaft of the speed reducing motor, of the connecting block and used for inserting the insert block; the inner wall of the first slot is provided with a through hole, a bolt is connected in the through hole in a sliding manner along the radial direction of the first slot, the insert block is provided with a second slot for inserting the bolt, one end of the bolt far away from the insert block is fixedly connected with a handle, and the handle protrudes out of the outer side wall of the connecting block; and an elastic component for enabling the bolt to abut against the inner wall of the second slot is arranged in the through hole.

By adopting the technical scheme, when the cut-off knife needs to be installed, the plug pin is pulled by pulling the handle, the plug pin has a movement trend in the first slot under the action of the elastic component, the plug block is inserted into the first slot by moving the knife handle, then the handle is loosened, the plug pin is inserted into the second slot under the action of the elastic component, and in addition, the plug pin abuts against the inner wall of the second slot under the action of the elastic component, so that the cut-off knife can be installed; when the cutter needs to be detached, the plug pin is pulled by the handle to separate the plug pin from the second slot, and then the cutter is taken down; in conclusion, through setting up installation device, be convenient for change the cut-off knife.

The present invention may be further configured in a preferred embodiment as: a first sliding groove is formed in the through hole, and the elastic assembly comprises a cylindrical block which is connected to the first sliding groove in a sliding manner along the radial direction of the inserting block and is sleeved and fixed on the outer side wall of the bolt and a spring sleeved on the bolt; one end of the spring is abutted against one end, far away from the insert block, of the cylindrical block, and the other end of the spring is abutted against the inner wall of one end, far away from the insert block, of the first sliding groove.

By adopting the technical scheme, the plug pin moves to drive the cylindrical block to move, the cylindrical block moves to compress the spring, and the spring is in a compressed state at the moment; when the plug block is plugged with the second slot, the handle is loosened, and the cylindrical block drives the plug pin to be plugged with the second slot under the action of the spring; when the plug is inserted into the second slot, the spring is still in a compressed state, so that the plug can be abutted against the inner wall of the second slot, and the plug can be effectively prevented from being separated from the second slot.

The present invention may be further configured in a preferred embodiment as: the outer peripheral surface of the insertion block is fixedly connected with a pre-positioning block, and the inner peripheral surface of the first slot is provided with a second sliding groove for the pre-positioning block to slide along the axial direction of the connection block; and after the pre-positioning block slides into the second sliding groove, the bolt is aligned to the second slot.

By adopting the technical scheme, the plug and the second slot are conveniently spliced by arranging the pre-positioning block and the second chute.

The present invention may be further configured in a preferred embodiment as: the connecting block comprises a first block body and a second block body, wherein the opposite inner sides of the first block body and the second block body are respectively provided with a first arc-shaped groove, and the two first arc-shaped grooves surround to form a through hole; the opposite inner sides of the first block body and the second block body are respectively provided with a second arc-shaped groove, and the two second arc-shaped grooves surround to form a first sliding groove; the first block body is clamped with the second block body.

Through adopting above-mentioned technical scheme, through setting up first block and second block, be convenient for install cylindricality piece and bolt.

The present invention may be further configured in a preferred embodiment as: the relative inboard of first block and second block is provided with a plurality of fixture blocks and a plurality of draw-in grooves respectively, the joint of fixture block one-to-one in the draw-in groove.

Through adopting above-mentioned technical scheme, through setting up fixture block and draw-in groove, be convenient for make first block and second block joint.

The present invention may be further configured in a preferred embodiment as: the lateral wall of the first block body is provided with two clamping surfaces which are parallel to each other, and the lateral wall of the second block body is fixedly connected with a convex block.

Through adopting above-mentioned technical scheme, through setting up two clamping faces, the vice of being convenient for carries out the centre gripping to first block, and through setting up the lug, the operating personnel of being convenient for utilizes the hammer block to knock off the second block to be convenient for make first block and second block separation.

The present invention may be further configured in a preferred embodiment as: the one end rigid coupling that the inserted block is close to the handle of a knife has square piece, the handle of a knife is close to one side of inserted block and offers the square groove that is used for supplying square piece joint, install the drive assembly who is used for making square piece and square groove separation in the inserted block.

By adopting the technical scheme, the square block and the square groove are arranged, the insertion block is conveniently clamped with the knife handle, the square block is conveniently separated from the square groove by arranging the driving assembly, and therefore the insertion block can be repeatedly used, and production cost can be saved.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a through hole arranged at one end of the inserting block, a fixed block fixedly connected to the through hole and a bolt rotatably connected to the fixed block; the bolt is in threaded connection with a moving block, and the moving block is connected to the through hole in a sliding manner along the axial direction of the inserting block; and one end of the moving block, which is far away from the fixed block, is fixedly connected with a butting block.

By adopting the technical scheme, when the square block is required to be separated from the square groove, the tool shank is fixed through the vice, then the moving block is moved towards the direction close to the tool shank by rotating the bolt, and the moving block moves to drive the abutting block to move; when the abutting block abuts against the side wall of the cutter handle, the bolt continues to be rotated, the inserting block moves towards the direction far away from the cutter handle, and the inserting block moves to drive the square block to move, so that the square block can be separated from the square groove; through setting up drive assembly, be convenient for make square piece and square groove separation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the cut-off knife needs to be installed, the plug pin is pulled by pulling the handle, the plug pin has a movement trend in the first slot under the action of the elastic assembly, then the plug block is inserted into the first slot by moving the knife handle, then the handle is loosened, the plug pin is inserted into the second slot under the action of the elastic assembly, and in addition, the plug pin abuts against the inner wall of the second slot under the action of the elastic assembly, so that the cut-off knife can be installed; when the cutter needs to be detached, the plug pin is pulled by the handle to separate the plug pin from the second slot, and then the cutter is taken down; in conclusion, the installation device is arranged, so that the cutter is convenient to replace;

2. the pre-positioning block and the second sliding groove are arranged, so that the plug pin is conveniently inserted into the second slot;

3. when the square block and the square groove need to be separated, the tool shank is fixed through the vice, then the moving block moves towards the direction close to the tool shank through rotating the bolt, and the moving block moves to drive the abutting block to move; when the abutting block abuts against the side wall of the cutter handle, the bolt continues to be rotated, the inserting block moves towards the direction far away from the cutter handle, and the inserting block moves to drive the square block to move, so that the square block can be separated from the square groove; through setting up drive assembly, be convenient for make square piece and square groove separation.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the structure of the mounting device in the embodiment;

FIG. 3 is a schematic view showing the internal structure of the joint block in the embodiment, in which the second block is turned over by 180 degrees;

FIG. 4 is a partial cross-sectional view of a highlighted drive assembly of the embodiment.

In the figure, 1, a housing; 11. a reduction motor; 12. a cutter; 121. a knife handle; 1211. a square groove; 122. a blade; 2. a mounting device; 21. inserting a block; 211. a second slot; 212. pre-positioning blocks; 213. a square block; 22. connecting blocks; 221. a first block; 2211. a clamping surface; 222. a second block; 2221. a bump; 223. a first arc-shaped slot; 224. a second arc-shaped slot; 225. a clamping block; 226. a card slot; 23. a first slot; 231. a second chute; 24. a through hole; 25. a bolt; 26. a handle; 27. a first chute; 28. an elastic component; 281. a cylindrical block; 282. a spring; 3. a drive assembly; 31. perforating; 32. a fixed block; 33. a bolt; 34. a moving block; 35. and a butt joint block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, for the utility model discloses an appearance is torn to electron pendulum, including casing 1, gear motor 11 and cut-off knife 12, cut-off knife 12 includes handle of a knife 121 and blade 122, still includes the installation device 2 that is used for fixed handle of a knife 121.

As shown in fig. 2 and 3, the mounting device 2 includes an insertion block 21 that is clamped at one end of the tool holder 121 close to the speed reduction motor 11, a connection block 22 that is in threaded connection with one end of the output shaft of the speed reduction motor 11, and a first insertion slot 23 that is provided at one end of the connection block 22 away from the output shaft of the speed reduction motor 11 and is used for inserting the insertion block 21; a through hole 24 is formed in the inner wall of the first slot 23, a plug pin 25 is connected in the through hole 24 in a sliding manner along the radial direction of the first slot 23, a second slot 211 for the plug pin 25 to be plugged is formed in the plug block 21, a handle 26 is fixedly connected to one end, far away from the plug block 21, of the plug pin 25, and the handle 26 protrudes out of the outer side wall of the connecting block 22; an elastic member 28 for abutting the plug 25 against the inner wall of the second slot 211 is installed in the through hole 24. When the cut-off knife 12 needs to be installed, the handle 26 is pulled to pull the plug pin 25, at this time, the plug pin 25 has a movement trend in the first slot 23 under the action of the elastic component 28, then the plug block 21 is inserted into the first slot 23 by moving the knife handle 121, then the handle 26 is loosened, at this time, the plug pin 25 is inserted into the second slot 211 under the action of the elastic component 28, in addition, the plug pin 25 abuts against the inner wall of the second slot 211 under the action of the elastic component 28, and therefore the cut-off knife 12 can be installed; when the cut-off knife 12 needs to be detached, the handle 26 pulls the bolt 25 to separate the bolt 25 from the second slot 211, and then the cut-off knife 12 is detached; in summary, the installation device 2 is provided to facilitate replacement of the cutting blade 12.

A first sliding groove 27 is formed in the through hole 24, and the elastic component 28 includes a cylindrical block 281 slidably connected to the first sliding groove 27 along the radial direction of the insertion block 21 and sleeved and fixed on the outer side wall of the bolt 25, and a spring 282 sleeved and connected to the bolt 25; one end of the spring 282 abuts against one end of the cylindrical block 281 far away from the insert 21, the other end abuts against an inner wall of one end of the first chute 27 far away from the insert 21, and the elastic force of the spring 282 on the cylindrical block 281 is larger than the centrifugal force on the cylindrical block 281 when the speed reduction motor 11 rotates, so that the bolt 25 can be prevented from being separated from the second slot 211 when the speed reduction motor 11 rotates. The bolt 25 moves to drive the column block 281 to move, the column block 281 moves to compress the spring 282, and the spring 282 is in a compressed state; when the plug block 21 is plugged into the second slot 211, the handle 26 is released, and the column block 281 drives the plug pin 25 to be plugged into the second slot 211 under the action of the spring 282; after the latch 25 is inserted into the second slot 211, the spring 282 is still in a compressed state, so that the latch 25 abuts against the inner wall of the second slot 211, thereby effectively preventing the latch 25 from being separated from the second slot 211.

The outer circumferential surface of the insertion block 21 is fixedly connected with a pre-positioning block 212, and the inner circumferential surface of the first slot 23 is provided with a second sliding groove 231 for the pre-positioning block 212 to slide along the axial direction of the connecting block 22; when the pre-positioning block 212 slides into the second sliding slot 231, the latch 25 is aligned with the second slot 211. The pin 25 is inserted into the second slot 211 by the pre-positioning block 212 and the second sliding slot 231.

The connecting block 22 comprises a first block 221 and a second block 222, wherein the opposite inner sides of the first block 221 and the second block 222 are respectively provided with a first arc-shaped groove 223, and the two first arc-shaped grooves 223 enclose a through hole 24; the opposite inner sides of the first block 221 and the second block 222 are respectively provided with a second arc-shaped groove 224, and the two second arc-shaped grooves 224 enclose a first sliding groove 27; the first block 221 is clamped to the second block 222; the opposite inner sides of the first block 221 and the second block 222 are respectively provided with a plurality of clamping blocks 225 and a plurality of clamping grooves 226, and the clamping blocks 225 are correspondingly clamped in the clamping grooves 226 one to one. The installation of the column block 281 and the plug 25 is facilitated by the provision of the first block 221 and the second block 222.

The outer side wall of the first block 221 is provided with two parallel clamping surfaces 2211, and the outer side wall of the second block 222 is fixedly connected with a projection 2221. Through setting up two clamping face 2211, be convenient for the vice to carry out the centre gripping to first block 221, through setting up lug 2221, be convenient for operating personnel utilizes the hammer block to knock off second block 222 to be convenient for make first block 221 and second block 222 separate.

As shown in fig. 2 and 4, a square block 213 is fixedly connected to one end of the insert block 21 close to the handle 121, a square groove 1211 for clamping the square block 213 is formed in one side of the handle 121 close to the insert block 21, and a driving assembly 3 for separating the square block 213 from the square groove 1211 is installed in the insert block 21. The square block 213 and the square groove 1211 are arranged, so that the insertion block 21 is conveniently clamped with the tool handle 121, the square block 213 is conveniently separated from the square groove 1211 by arranging the driving component 3, the insertion block 21 can be repeatedly used, and the production cost can be saved.

The driving assembly 3 comprises a through hole 31 arranged at one end of the inserting block 21, a fixing block 32 welded to the through hole 31 and a bolt 33 rotatably connected to the fixing block 32; the bolt 33 can be rotatably connected to the fixed block 32 by fixedly connecting the annular block to the bolt 33 and forming an annular groove in the fixed block 32, the bolt 33 is in threaded connection with a moving block 34, and the moving block 34 is connected to the through hole 31 in a sliding manner along the axial direction of the insertion block 21; and one end of the moving block 34 far away from the fixed block 32 is fixedly connected with an abutting block 35. When the square block 213 and the square groove 1211 need to be separated, the tool holder 121 is fixed through the vice, then the moving block 34 moves towards the direction close to the tool holder 121 by rotating the bolt 33, and the moving block 34 moves to drive the abutting block 35 to move; after the abutting block 35 abuts against the side wall of the knife handle 121, the bolt 33 continues to be rotated, at this time, the inserting block 21 moves in the direction away from the knife handle 121, and the inserting block 21 moves to drive the square block 213 to move, so that the square block 213 is separated from the square groove 1211; by providing the driving unit 3, the square block 213 is easily separated from the square groove 1211.

The implementation principle of the embodiment is as follows: when the cut-off knife 12 needs to be installed, the handle 26 is pulled to pull the latch 25, the latch 25 has a movement trend in the first slot 23 under the action of the column block 281 and the spring 282, then the insert 21 is inserted into the first slot 23 by moving the knife handle 121, then the handle 26 is released, and the latch 25 is inserted into the second slot 211 under the action of the column block 281 and the spring 282; when the cut-off knife 12 needs to be detached, the handle 26 pulls the bolt 25 to separate the bolt 25 from the second slot 211, and then the cut-off knife 12 is detached; in summary, the installation device 2 is provided to facilitate replacement of the cutting blade 12.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an appearance is torn to electron pendulum, includes casing (1), gear motor (11) and cut-off knife (12), its characterized in that: the cutting knife (12) comprises a knife handle (121), a blade (122) and a mounting device (2) for fixing the knife handle (121), wherein the mounting device (2) comprises an insert block (21) clamped at one end, close to the speed reduction motor (11), of the knife handle (121), a connecting block (22) in threaded connection with one end of an output shaft of the speed reduction motor (11) and a first slot (23) which is arranged at one end, far away from the output shaft of the speed reduction motor (11), of the connecting block (22) and used for inserting the insert block (21); a through hole (24) is formed in the inner wall of the first slot (23), a bolt (25) is connected to the through hole (24) in a sliding manner along the radial direction of the first slot (23), a second slot (211) for inserting the bolt (25) is formed in the insert block (21), a handle (26) is fixedly connected to one end, far away from the insert block (21), of the bolt (25), and the handle (26) protrudes out of the outer side wall of the connecting block (22); an elastic component (28) for enabling the plug pin (25) to abut against the inner wall of the second slot (211) is installed in the through hole (24).

2. The electronic pendulum tear gauge of claim 1, wherein: a first sliding groove (27) is formed in the through hole (24), and the elastic component (28) comprises a cylindrical block (281) which is connected to the first sliding groove (27) in a sliding manner along the radial direction of the inserting block (21) and is sleeved and fixed on the outer side wall of the bolt (25) and a spring (282) sleeved and connected with the bolt (25); one end of the spring (282) is abutted against one end, far away from the insert block (21), of the cylindrical block (281), and the other end of the spring is abutted against the inner wall of one end, far away from the insert block (21), of the first sliding groove (27).

3. The electronic pendulum tear gauge of claim 1, wherein: a pre-positioning block (212) is fixedly connected to the outer peripheral surface of the insertion block (21), and a second sliding groove (231) for allowing the pre-positioning block (212) to slide along the axial direction of the connecting block (22) is formed in the inner peripheral surface of the first slot (23); when the pre-positioning block (212) slides into the second sliding slot (231), the latch (25) is aligned with the second slot (211).

4. The electronic pendulum tear gauge of claim 1, wherein: the connecting block (22) comprises a first block body (221) and a second block body (222), wherein the opposite inner sides of the first block body (221) and the second block body (222) are respectively provided with a first arc-shaped groove (223), and the two first arc-shaped grooves (223) form a through hole (24) in a surrounding manner; the opposite inner sides of the first block body (221) and the second block body (222) are respectively provided with a second arc-shaped groove (224), and the two second arc-shaped grooves (224) enclose a first sliding groove (27); the first block body (221) is clamped with the second block body (222).

5. The electronic pendulum tear gauge of claim 4, wherein: the relative inboard of first block (221) and second block (222) is provided with a plurality of fixture blocks (225) and a plurality of draw-in groove (226) respectively, fixture block (225) one-to-one joint in draw-in groove (226).

6. The electronic pendulum tear gauge of claim 5, wherein: the outer side wall of the first block body (221) is provided with two clamping surfaces (2211) which are parallel to each other, and the outer side wall of the second block body (222) is fixedly connected with a convex block (2221).

7. The electronic pendulum tear gauge of claim 1, wherein: the one end rigid coupling that inserts piece (21) is close to handle of a knife (121) has square piece (213), square groove (1211) that are used for supplying square piece (213) joint are seted up to one side that handle of a knife (121) is close to inserts piece (21), install in inserting piece (21) and be used for making square piece (213) and square groove (1211) drive assembly (3) of separating.

8. The electronic pendulum tear gauge of claim 7, wherein: the driving assembly (3) comprises a through hole (31) formed in one end of the inserting block (21), a fixing block (32) fixedly connected to the through hole (31) and a bolt (33) rotatably connected to the fixing block (32); a moving block (34) is connected to the bolt (33) in a threaded manner, and the moving block (34) is connected to the through hole (31) in a sliding manner along the axial direction of the inserting block (21); and one end of the moving block (34) far away from the fixed block (32) is fixedly connected with a butting block (35).