CN220863048U - Clamp for laser cutting - Google Patents

Abstract

The application relates to the technical field of laser cutting, in particular to a clamp for laser cutting, which comprises: the mounting plate, the mounting plate is used for installing the lock pin body, the mounting plate is provided with clamping assembly, clamping assembly is including clamp plate and stopper, the clamp plate is rotated and is installed the one end of mounting plate, the clamp plate is used for compressing tightly the fine end of lock pin short and the fine body of lock pin long respectively in first direction Z, the stopper sets up the top surface of mounting plate, the stopper is used for carrying out spacingly to the fine end of lock pin short in second direction X and third direction Y. The application has the effects of limiting and fixing the core insert body in multiple directions, reducing the phenomenon of deflection of the core insert body in the laser cutting process, improving the cutting precision and improving the product qualification rate.

Description

Clamp for laser cutting

Technical Field

The application relates to the technical field of laser cutting, in particular to a clamp for laser cutting.

Background

Laser cutting is a process of cutting a material with a laser beam; that is, by focusing a high energy laser beam onto a very small spot, a high temperature is generated at this spot to melt, vaporize or burn the material, and cutting of the material is accomplished by controlling the path of the laser beam. In the process of producing the ferrule, laser cutting is generally used for cutting, and a special fixture is required for fixing the ferrule during cutting to perform cutting.

However, the cutting requirement of the insert core is very strict, so that the clamp has higher requirement, and the clamping stability is ensured. At present, the prior clamp can only fix the insert core in a single direction, and in the cutting process, the insert core can receive a certain external force, the stability of the insert core is difficult to ensure due to the fixing in the single direction, the insert core is easy to deviate, the cutting precision is reduced, and the qualification rate of products is reduced.

Disclosure of Invention

In order to fix the insert in multiple directions, the phenomenon of offset of the insert in the laser cutting process is reduced, so that the cutting precision is improved, and the product qualification rate is improved.

The application provides a clamp for laser cutting, which adopts the following technical scheme:

A fixture for laser cutting, comprising: the mounting plate, the mounting plate is used for installing the lock pin body, the mounting plate is provided with clamping assembly, clamping assembly is including clamp plate and stopper, the clamp plate is rotated and is installed the one end of mounting plate, the clamp plate is used for compressing tightly the fine end of lock pin short and the fine body of lock pin long in first direction Z, the stopper sets up the top surface of mounting plate, the stopper is used for carrying out spacingly to the fine end of lock pin short in second direction X and third direction Y.

By adopting the technical scheme, the ferrule body is arranged on the mounting plate, then the pressing plate is made to press the end of the ferrule short fiber and the fiber body of the ferrule long fiber in the first direction Z, and the limiting block limits the end of the ferrule short fiber in the second direction X and the third direction Y, so that the clamp can realize multidirectional fixation of the ferrule body through the pressing plate and the limiting block, the occurrence of offset phenomenon of the ferrule body in the laser cutting process is reduced, the cutting precision is improved, and the product qualification rate is improved; and through rotating the clamp plate, realize that the clamp plate compresses tightly spacingly and release the clamp plate to the sticis of lock pin body in first direction Z, make the installation of lock pin body more convenient with dismantling.

Preferably, the side surface of the mounting plate provided with one end of the pressing plate is provided with a plurality of mounting grooves, and the plurality of mounting grooves are arranged at intervals along the second direction X; the mounting groove is divided into a mounting area and a limiting area along the second direction X, the mounting area is communicated with the limiting area, the mounting area is used for placing the ferrule end, and the limiting area is used for clamping and limiting the ferrule short fiber end by the limiting block.

Through adopting above-mentioned technical scheme, when making the lock pin body install on the mounting panel, the lock pin end can install and place on the installation zone of mounting groove, and the clamp plate cooperates the lock pin end to carry out spacing fixedly in first direction Z with the mounting groove tank bottom to make the lock pin end realize the installation of placing on the mounting panel through the installation zone, and lock pin long fiber arranges the lock pin short fiber's upper end in and stretches out the mounting groove, and is favorable to realizing the clamp plate to the spacing fixedly of lock pin short fiber end and lock pin long fiber body in first direction Z.

Preferably, a plurality of sliding grooves are formed in the top surface of the mounting plate along the second direction X at intervals, the sliding grooves are close to the mounting grooves, a plurality of limiting blocks are arranged, the limiting blocks are respectively and slidably arranged in the sliding grooves, a spring is arranged on the inner side wall of the sliding grooves, one end of the spring is fixedly connected with the inner side wall of the sliding grooves, the other end of the spring is fixedly connected with the side wall of the limiting blocks, and the elastic direction of the spring is set towards the direction of an included angle between the second direction X and the third direction Y.

Through the adoption of the technical scheme, the limiting block is installed in the sliding groove of the mounting plate in a sliding manner through the spring, and then the limiting block is pushed to move along the included angle direction between the second direction X and the third direction Y under the action of the elastic force of the spring, so that the limiting block is matched with the second direction X and the third direction Y to limit the end of the short fiber of the ferrule; and the sliding installation of the limiting block is convenient for realizing the installation and the disassembly of the short fiber end head of the lock pin in the installation area of the installation groove.

Preferably, the limiting block is provided with a limiting step, the limiting step is located on the top surface of the limiting block, the limiting step is used for limiting the stub end of the ferrule in the second direction X and the third direction Y, the limiting step is provided with an abutting portion, the abutting portion stretches into a limiting area of the mounting groove to be arranged, and the abutting portion is used for being matched with the groove wall of the mounting groove to clamp and limit the stub end of the ferrule in the second direction X.

By adopting the technical scheme, the limiting block limits the end of the short fiber of the ferrule in the second direction X and the third direction Y through the limiting step; and the abutting part of the limiting step stretches into the limiting area of the mounting groove to be placed, so that the abutting part is matched with the groove wall of the mounting groove to clamp and limit the end of the short fiber of the lock pin in the second direction X, and therefore limiting and fixing of the limiting block to the lock pin body in the second direction X are achieved.

Preferably, the clamping assembly further comprises a plurality of retaining plates, the retaining plates are provided with a plurality of retaining plates, the retaining plates are fixedly mounted on the end face of one end of the mounting plate, which is provided with the mounting groove, the retaining plates are arranged along the second direction X, gaps are arranged between adjacent retaining plates, the gaps are used for allowing the fiber body at one end of the ferrule body to pass through, and the retaining plates are used for clamping and limiting the ferrule short fiber end in the third direction Y in cooperation with the limiting step of the limiting block.

Through adopting above-mentioned technical scheme, the spacing step cooperation of board and stopper is held in clamp to the lock pin short fiber end and is spacing in third direction Y to realize that anchor clamps are fixed to the lock pin body spacing in third direction Y.

Preferably, the bottom surface of the pressing plate is provided with a convex column, and the convex column is used for being abutted with the end head of the short fiber of the inserting core and the fiber body of the long fiber of the inserting core.

Through adopting above-mentioned technical scheme, the side of clamp plate is provided with the projection, makes the clamp plate through the fine body of projection sticis the end of lock pin short fiber and lock pin long fiber to increase the pressure of mounting panel to the lock pin body, thereby make the mounting panel further strengthen the effect of compressing tightly to the lock pin body through the projection in first direction Z, be favorable to reducing the lock pin body and take place in the phenomenon of first direction Z skew in the laser cutting process, in order to improve cutting precision, improve the product percent of pass.

Preferably, a fixing part is arranged at the top surface of the mounting plate corresponding to the position of the limiting block, and the fixing part is used for limiting the position of the limiting block in the first direction Z in the sliding groove.

Through adopting above-mentioned technical scheme, carry out spacingly through fixed part to the stopper in the position of the first direction Z in the groove that slides to make the stopper stably slide and install in the groove that slides, be favorable to realizing the stopper in the ascending slip of contained angle direction between second direction X and the third direction Y.

Preferably, the top surface of the limiting block is provided with a push-pull part, and the push-pull part is used for a user to push and pull the sliding limiting block.

Through adopting above-mentioned technical scheme, the stopper top surface is provided with push-and-pull portion, and when installing or dismantling the lock pin body, through giving thrust or pulling force in the push-and-pull portion department of stopper, make the stopper slide in the contained angle direction between second direction X and the third direction Y to realize the installation and the dismantlement of lock pin short fiber end in the mounting groove installation zone, thereby realize the push-and-pull effect of user to the stopper through push-and-pull portion, make the installation and the dismantlement of lock pin body more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The installation plate and the clamping component are arranged, so that when the ferrule body is installed, the limiting block is pushed towards the direction of an included angle between the second direction X and the third direction Y through the push-pull part, the end of the ferrule short fiber is installed in the installation area of the installation groove, the long ferrule fiber is arranged at the upper end of the ferrule short fiber and stretches out of the installation groove, after the ferrule body is installed and placed on the installation plate, the pressing plate is turned over, the pressing plate presses the end of the ferrule short fiber and the fiber body of the ferrule long fiber, then the limiting block slides back to the fixed position under the action of spring force, the abutting part of the limiting step is matched with the groove wall of the installation groove to clamp the end of the ferrule short fiber in the second direction X, and finally the abutting plate is matched with the limiting step to clamp the end of the ferrule short fiber in the third direction Y, so that the clamp realizes multidirectional limiting and fixing of the ferrule body through the clamping component, further reduces the phenomenon that the ferrule body shifts in the laser cutting process, so that the cutting precision is improved, and the qualified rate of products is improved;

2. The arrangement of the convex columns enables the pressing plate to tightly press the end heads of the short fibers of the core insert and the fiber bodies of the long fibers of the core insert through the convex columns so as to increase the pressure of the mounting plate on the core insert body, so that the mounting plate further strengthens the compaction effect on the core insert body in the first direction Z through the convex columns, the phenomenon that the core insert body is deviated in the first direction Z in the laser cutting process is reduced, the cutting precision is improved, and the product qualification rate is improved;

3. Under the effect of the fixed part, the limiting of the position of the limiting block in the first direction Z in the sliding groove is realized, so that the limiting block is stably installed in the sliding groove in a sliding manner, and the sliding of the limiting block in the direction of an included angle between the second direction X and the third direction Y is facilitated.

Drawings

FIG. 1 is a schematic view showing the overall structure of a jig for laser cutting according to an embodiment of the present application;

FIG. 2 is a schematic top view of a mounting plate in an embodiment of the application;

FIG. 3 is a schematic view of a laser cutting jig after concealing a platen and a pull plate in an embodiment of the present application;

FIG. 4 is an enlarged partial schematic view of FIG. 3A in an embodiment of the application;

FIG. 5 is a schematic view of the assembly of a retaining plate on a mounting plate in an embodiment of the application;

fig. 6 is an enlarged partial schematic view at B in fig. 5 in an embodiment of the present application.

Reference numerals illustrate: 1. a tray; 2. a mounting plate; 21. a mounting groove; 211. an installation area; 212. a limit area; 22. a slip groove; 221. a spring; 3. a ferrule body; 31. a core-inserted short fiber; 32. core-inserting long fiber; 4. a clamping assembly; 41. a pressing plate; 411. a convex column; 42. a limiting block; 421. a limit step; 422. a through groove; 423. an abutting portion; 424. a push-pull part; 43. a retaining plate; 5. a mounting base; 51. a placement area; 6. a fixing seat; 61. a rotating shaft; 7. placing a plate; 8. a placement groove; 9. a fixing member; 91. a first fixing plate; 92. and a second fixing plate.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a clamp for laser cutting.

Referring to fig. 1, a fixture for laser cutting includes a tray 1 and a mounting plate 2, wherein one end of the tray 1 is set to be a clamping end, the mounting plate 2 is fixedly mounted at the clamping end, and the mounting plate 2 is used for mounting a ferrule body 3. The ferrule body 3 has a ferrule short fiber 31 and a ferrule long fiber 32. The mounting plate 2 is provided with a clamping assembly 4 at a position corresponding to the ferrule body 3, and the clamping assembly 4 is used for clamping the end head of the ferrule short fiber 31 in the first direction Z, the second direction X and the third direction Y; and, the clamping component 4 is further used for clamping the fiber body of the long core-inserting fiber 32 in the first direction Z, so that the clamp can fix the core-inserting body 3 in multiple directions through the clamping component 4, the phenomenon that the core-inserting body 3 deflects in the laser cutting process is reduced, the cutting precision is improved, and the product qualification rate is improved.

Referring to fig. 2 to 4, the top surface of the mounting plate 2 is provided with a mounting seat 5, and the mounting seat 5 is used for placing and mounting the ferrule body 3. The top surface of the mounting seat 5 is provided with a plurality of placement areas 51 along the second direction X at intervals, a plurality of different ferrule bodies 3 are respectively installed and placed on the plurality of placement areas 51, and the ferrule bodies 3 can be stably placed on the mounting seat 5 through the placement areas 51, so that stable installation of the ferrule bodies 3 on the mounting plate 2 is realized. The mounting plate 2 is kept away from the side of tray 1 one end and has been seted up mounting groove 21, and mounting groove 21 is provided with a plurality ofly, and a plurality of mounting grooves 21 and a plurality of district 51 of placing are placed in one-to-one correspondence and are linked together. The mounting groove 21 is divided into a mounting area 211 and a limiting area 212 along the second direction X, and the mounting area 211 is communicated with the limiting area 212; and the installation area 211 is communicated with the placement area 51 of the installation seat 5, the installation area 211 is used for placing and installing the end head of the short core fiber 31, when the short core body 3 is placed and installed in the placement area 51 of the installation seat 5, the end head of the short core fiber 31 can be stably placed in the installation area 211, and the long core fiber 32 is placed at the upper end of the short core fiber 31 and extends out of the installation groove 21. The limiting area 212 is used for clamping and limiting the ferrule body 3 by the clamping assembly 4.

Referring to fig. 5 and 6, the clamping assembly 4 includes a pressing plate 41, where the pressing plate 41 is rotatably mounted on an end of the mounting plate 2 away from the tray 1, and the pressing plate 41 is used to cooperatively press the end of the ferrule short fiber 31 and the fiber body of the ferrule long fiber 32 in the first direction Z.

Referring to fig. 2, 5 and 6, specifically, the fixing bases 6 are respectively installed at two sides of the mounting plate 2, the rotating shafts 61 are respectively rotatably installed at inner sides of the two fixing bases 6, two ends of the pressing plate 41 are respectively sleeved and fixed on the two rotating shafts 61, and the pressing plate 41 is rotatably installed at one end, far away from the tray 1, of the mounting plate 2 through the rotating shafts 61 so as to press the ferrule body 3 in the first direction Z. In order to stably compress the ferrule body 3, a plurality of protruding columns 411 are installed at positions, corresponding to the installation grooves 21, on the bottom surface of the pressing plate 41, when the pressing plate 41 is compressed, the protruding columns 411 can respectively extend into the installation grooves 21 to compress the ends of the ferrule short fibers 31 and the fiber bodies of the ferrule long fibers 32, so that the pressure of the mounting plate 2 on the ferrule body 3 is increased, and the mounting plate 2 further strengthens the compressing effect on the ferrule body 3 in the first direction Z through the protruding columns 411.

Referring to fig. 2, 5 and 6, when the ferrule body 3 is installed, the ferrule body 3 is placed in the placement area 51 of the mounting seat 5, the end of the ferrule short fiber 31 is placed in the mounting area 211 of the mounting groove 21, the ferrule long fiber 32 is placed at the upper end of the ferrule short fiber 31 and extends out of the mounting groove 21, and then the pressing plate 41 is turned over, so that the pressing plate 41 presses the end of the ferrule short fiber 31 and the fiber body of the ferrule long fiber 32 through the convex column 411, thereby stably pressing the ferrule body 3 in the first direction Z, being beneficial to reducing the occurrence of the phenomenon that the ferrule body 3 is deviated in the first direction Z in the laser cutting process, improving the cutting precision and the product qualification rate; when the ferrule body 3 needs to be disassembled, the pressing plate 41 is turned up, the pressing of the pressing plate 41 on the ferrule body 3 is relieved, and then the ferrule body 3 is disassembled.

Referring to fig. 5 and 6, a placement plate 7 is mounted on a side wall of a side, far away from the convex column, of the pressing plate 41, the placement plate 7 and the pressing plate 41 are mutually perpendicular, a placement groove 8 is formed by matching the placement plate 7 and the pressing plate 41, and when the short core fiber 31 is cut, the long core fiber 31 can be folded and placed in the placement groove 8 for temporary storage, so that the short core fiber 31 can be cut.

Referring to fig. 2-4, the clamping assembly 4 further includes a stop block 42 and a retaining plate 43. The top surface of the mounting plate 2 is provided with a plurality of sliding grooves 22 at intervals along the second direction X, and the sliding grooves 22 are located between the mounting grooves 21 and the mounting seats 5. The limiting blocks 42 are provided with a plurality of limiting blocks 42, the limiting blocks 42 are respectively installed in the sliding grooves 22 in a sliding mode, and the sliding direction of the limiting blocks 42 is set towards the direction of an included angle between the second direction X and the third direction Y. Specifically, the spring 221 is mounted on an inner side wall of the sliding groove 22, and an elastic direction of the spring 221 is set towards an included angle direction between the second direction X and the third direction Y, one end of the spring 221 is fixedly connected with an inner side wall of the sliding groove 22, and the other end of the spring 221 is fixedly connected with a side wall of the limiting block 42, so that the limiting block 42 is slidably mounted in the sliding groove 22 through the spring 221.

Referring to fig. 2 to 4, the stopper 42 has a limiting step 421, the limiting step 421 is located on the top surface of the stopper 42, and the limiting step 421 is used for limiting the end of the stub 31 in the second direction X and the third direction Y. The top surface of the limiting step 421 is provided with a through groove 422, the through groove 422 is communicated with the mounting area 211 of the mounting groove 21, and the through groove 422 is used for allowing the fiber body of the ferrule body 3 to pass through for placement. The limiting step 421 is provided with an abutment portion 423, and the abutment portion 423 extends into the limiting region 212. During operation, the spring 221 pushes the limiting block 42 to move along the direction of the included angle between the second direction X and the third direction Y, so that the abutting portion 423 cooperates with the groove wall of the mounting groove 21 to clamp the end of the ferrule short fiber 31 in the second direction X, so as to limit and fix the ferrule body 3 in the second direction X. When the ferrule body 3 is installed, the limiting block 42 is pushed towards the direction of an included angle between the second direction X and the third direction Y to compress the spring 221, so that the end of the ferrule short fiber 31 can be installed in the installation area 211, then the limiting block 42 is slid back to a fixed position under the elastic force of the spring 221, and then the abutting part 423 is matched with the wall of the installation groove 21 to clamp the end of the ferrule short fiber 31 in the second direction X, so that the limiting of the ferrule body 3 in the second direction X is realized, the occurrence of the phenomenon that the ferrule body 3 is deviated in the second direction X in the laser cutting process is reduced, the cutting precision is improved, and the product qualification rate is improved; when the ferrule body 3 needs to be disassembled, the limiting block 42 is pushed towards the direction of the included angle between the second direction X and the third direction Y, the abutment of the limiting block 42 to the ferrule body 3 is relieved, and the ferrule body 3 is disassembled.

Referring to fig. 2, 4 and 5, the plurality of the retaining plates 43 are provided, the plurality of retaining plates 43 are fixedly installed at an end surface of the mounting plate 2 at an end far from the tray 1, and the plurality of retaining plates 43 are arranged in the second direction X. A gap is provided between adjacent abutment plates 43, so that the fiber body at one end of the ferrule body 3 passes through the gap. And the top end of the retaining plate 43 is higher than the top end of the mounting groove 21, and the retaining plate 43 is matched with the limiting step 421 to limit and fix the position of the ferrule body 3 in the third direction Y. When the end of the short core fiber 31 is installed in the installation area 211 in the installation groove 21, the abutting plate 43 and the limiting step 421 are matched to clamp the end of the short core fiber 31 in the third direction Y, so that the limiting fixation of the short core fiber 31 in the third direction Y is realized, the phenomenon that the short core fiber 3 deviates in the third direction Y in the laser cutting process is reduced, the cutting precision is improved, and the product qualification rate is improved.

Referring to fig. 2, a fixing member 9 is provided on the top surface of the mounting plate 2 corresponding to the position of the stopper 42, the fixing member 9 being for defining the position of the stopper 42 in the first direction Z in the slide groove 22. The fixing component 9 comprises a first fixing plate 91 and a second fixing plate 92, the first fixing plate 91 is fixed between two adjacent mounting grooves 21, a part of the first fixing plate 91 extends into the upper part of the limiting area 212, and the first fixing plate 91 is used for being in abutting connection with the top surface of the abutting part 423 of the limiting block 42; the second fixed plate 92 is fixed to be set up in the one end that is close to the groove 22 that slides of mount pad 5 top surface, the second fixed plate 92 passes through bolt threaded connection to the top of mount pad 5 to the part of second fixed plate 92 stretches into the top of the groove 22 that slides, and the second fixed plate 92 is used for keeping away from the one side butt of butt portion 423 with the logical groove 422 top surface of stopper 42, makes first fixed plate 91 and second fixed plate 92 in stopper 42 top surface diagonal position, thereby carries out spacingly to the stopper 42 in the position in the first direction Z in the groove 22 that slides through first fixed plate 91 and second fixed plate 92, so that stopper 42 is stable to slide and install in the groove 22 that slides, and then is favorable to realizing the stopper 42 and slide in the contained angle orientation between second direction X and the third direction Y.

Referring to fig. 2 and 4, in order to facilitate the installation and removal of the ferrule body 3, the top surface of the stopper 42 is provided with a push-pull portion 424, and the push-pull portion 424 is used for a user to push and pull the sliding stopper 42. When the ferrule body 3 is installed or disassembled, the ferrule body 3 is placed in the placement area 51 of the installation seat 5, and the push-pull part 424 of the limiting block 42 gives a pushing force or a pulling force to enable the limiting block 42 to slide in the direction of an included angle between the second direction X and the third direction Y so as to realize the installation and the disassembly of the end of the ferrule short fiber 31 in the installation area 211 of the installation groove 21, thereby realizing the push-pull effect of a user on the limiting block 42 through the push-pull part 424 and facilitating the installation and the disassembly of the ferrule body 3.

The implementation principle of the fixture for laser cutting of the embodiment of the application is that the ferrule body 3 is installed and placed in the placement area 51 of the mounting seat 5, the fiber body of the ferrule body 3 is placed through the through groove 422 of the limiting block 42, then the limiting block 42 is pushed by the push-pull part 424 towards the direction of the included angle between the second direction X and the third direction Y to compress the spring 221, so that the end of the ferrule short fiber 31 is installed in the installation area 211 of the installation groove 21, and the ferrule long fiber 32 is placed at the upper end of the ferrule short fiber 31 and extends out of the installation groove 21; after the ferrule body 3 is arranged on the mounting plate 2, the pressing plate 41 is turned over, so that the pressing plate 41 presses the end of the ferrule short fiber 31 and the fiber body of the ferrule long fiber 32 in the first direction Z through the convex column 411; secondly, under the action of the elasticity of the spring 221, the limiting block 42 slides back to the fixed position, and then the abutting part 423 of the limiting block 42 is matched with the wall of the mounting groove 21 to clamp the end of the short core-spun fiber 31 in the second direction X; finally, the abutment plate 43 cooperates with the limit step 421 of the limit block 42 to clamp the end of the ferrule short fiber 31 in the third direction Y, so that the clamp can fix the ferrule body 3 in multiple directions through the clamping component 4, and further the phenomenon that the ferrule body 3 is deviated in the laser cutting process is reduced, the cutting precision is improved, and the product qualification rate is improved.

The foregoing is illustrative of the present application, and is not meant to limit the scope of the application in any way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a fixture for laser cutting, its characterized in that includes mounting panel (2), mounting panel (2) are used for installing lock pin body (3), mounting panel (2) are provided with clamping assembly (4), clamping assembly (4) are including clamp plate (41) and stopper (42), clamp plate (41) are rotated and are installed the one end of mounting panel (2), clamp plate (41) are used for compressing tightly the fine end of lock pin short fiber (31) and the fine body of lock pin long fiber (32) in first direction Z, stopper (42) set up the top surface of mounting panel (2), stopper (42) are used for carrying out spacingly to lock pin short fiber (31) end in second direction X and third direction Y.

2. The fixture for laser cutting according to claim 1, wherein a side surface of the mounting plate (2) provided with one end of the pressing plate (41) is provided with a plurality of mounting grooves (21), and the plurality of mounting grooves (21) are arranged at intervals along the second direction X; the mounting groove (21) is divided into a mounting area (211) and a limiting area (212) along the second direction X, the mounting area (211) is communicated with the limiting area (212), the mounting area (211) is used for placing a ferrule end, and the limiting area (212) is used for clamping and limiting the ferrule short fiber (31) end by the limiting block (42).

3. The fixture for laser cutting according to claim 2, wherein a plurality of sliding grooves (22) are formed in the top surface of the mounting plate (2) at intervals along the second direction X, the sliding grooves (22) are close to the mounting groove (21), a plurality of limiting blocks (42) are arranged, the limiting blocks (42) are respectively and slidably mounted in the sliding grooves (22), a spring (221) is mounted on the inner side wall of the sliding groove (22), one end of the spring (221) is fixedly connected with the inner side wall of the sliding groove (22), the other end of the spring (221) is fixedly connected with the side wall of the limiting block (42), and the elastic direction of the spring (221) is set towards the included angle direction between the second direction X and the third direction Y.

4. A laser cutting jig according to claim 3, wherein the stopper (42) has a limiting step (421), the limiting step (421) is located on the top surface of the stopper (42), the limiting step (421) is used for limiting the end of the ferrule short fiber (31) in the second direction X and the third direction Y, the limiting step (421) has an abutting portion (423), the abutting portion (423) extends into the limiting region (212) of the mounting groove (21) and is disposed, and the abutting portion (423) is used for clamping and limiting the end of the ferrule short fiber (31) in the second direction X in cooperation with the groove wall of the mounting groove (21).

5. The fixture for laser cutting according to claim 4, wherein the clamping assembly (4) further comprises a plurality of retaining plates (43), the retaining plates (43) are provided with a plurality of end faces, provided with the mounting grooves (21), of the mounting plates (2), the retaining plates (43) are fixedly mounted on one end face of the mounting plates, the retaining plates (43) are arranged along the second direction X, gaps are formed between adjacent retaining plates (43), the gaps are used for allowing the fiber body at one end of the ferrule body (3) to pass through, and the retaining plates (43) are used for clamping and limiting the end of the ferrule short fiber (31) in the third direction Y in cooperation with limiting steps (421) of the limiting blocks (42).

6. The fixture for laser cutting according to claim 1, wherein the bottom surface of the pressing plate (41) is provided with a protruding column (411), and the protruding column (411) is used for abutting against the end of the short core-insert fiber (31) and the fiber body of the long core-insert fiber (32).

7. A laser cutting jig according to claim 3, wherein a fixing member (9) is provided on the top surface of the mounting plate (2) at a position corresponding to the stopper (42), and the fixing member (9) is configured to limit the position of the stopper (42) in the first direction Z in the sliding groove (22).

8. A laser cutting jig according to claim 3, wherein the stopper (42) has a push-pull portion (424) provided on the top surface thereof, the push-pull portion (424) being adapted for a user to push and pull the sliding stopper (42).