Optical fiber cutting clamping jig and laser cutting equipment

Abstract

The invention discloses an optical fiber cutting clamping jig and laser cutting equipment. The optical fiber cutting and clamping jig comprises an optical fiber limiting and placing bottom plate, an overturning and buckling gland and a buffering and pressing mechanism, the overturning and buckling gland is rotationally connected with the optical fiber limiting and placing bottom plate, and the buffering and pressing mechanism is arranged on the overturning and buckling gland and corresponds to the clamping groove structure. The buffer pressing mechanism comprises a pressing block, a mounting block and an elastic piece, when an optical fiber product is placed on the optical fiber limiting placement bottom plate, the overturning buckling gland and the optical fiber limiting placement bottom plate are separated and opened by a first angle, the overturning buckling gland is rotated relative to the optical fiber limiting placement bottom plate, and the optical fiber product is placed on the optical fiber limiting placement bottom plate. The pressing block abuts against and compresses the optical fiber ferrule located in the clamping groove structure, the installation block buffers stress in the rotation direction by extruding or stretching the elastic piece so that the position of the pressing block relative to the optical fiber ferrule can not be changed, and the situation that the optical fiber ferrule is driven by the stress in the rotation direction to generate dislocation and deviation is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of optical fiber laser cutting, and in particular to an optical fiber cutting clamping fixture and laser cutting equipment. Background Art

[0002] In the fiber optic communication industry, the end faces of optical fibers usually need to be ground and polished, which is relatively cumbersome and costly. Subsequently, laser fiber cutting has emerged in the industry to meet optical requirements while improving efficiency and reducing costs. However, laser fiber cutting is sensitive to focal length. If the position of the optical fiber is inconsistent each time, or there is a pitch angle, it is easy to cause problems such as unstable angle of the optical fiber end face after cutting and poor length consistency. Therefore, the optical fiber needs to be installed on a jig before cutting, and then the jig is placed on the laser cutting machine, so the operability and stability of the cutting jig are very important. The current fiber clamping jig is difficult to firmly press and fix the optical fiber, which is easy to cause optical fiber dislocation and ultimately cause unstable laser cutting. Summary of the invention

[0003] The embodiments of the present application provide a fiber optic cutting clamping fixture and a laser cutting device, which can solve the technical problem that the current fiber optic clamping fixture is difficult to firmly press and fix the optical fiber, which easily causes the optical fiber to be misaligned and ultimately leads to unstable laser cutting.

[0004] The embodiment of the present application provides an optical fiber cutting and clamping fixture for clamping an optical fiber product, wherein the optical fiber product includes a main shell and an optical fiber ferrule, wherein the optical fiber cutting and clamping fixture includes an optical fiber limiting placement bottom plate, a flip-fastening pressure cover, and a buffer pressing mechanism;

[0005] A contoured groove for placing the main body shell is provided in the middle of the optical fiber limit placement base plate, and a clamping groove structure for clamping the optical fiber ferrule is provided at the first end of the optical fiber limit placement base plate, and the clamping groove structure and the contoured groove are arranged on a straight line;

[0006] The flip buckle press cover is rotatably connected to the first end of the optical fiber limit placement base plate, and the flip buckle press cover can be buckled and locked with the optical fiber limit placement base plate;

[0007] The buffer pressing mechanism is arranged on the flip buckle pressing cover and corresponds to the card slot structure. The buffer pressing mechanism includes a pressing block, a mounting block and an elastic member. The pressing block is arranged on the mounting block, and the mounting block is connected to the flip buckle pressing cover through the elastic member.

[0008] When a fiber optic product is placed on the fiber optic positioning bottom plate, the flip-fitting pressing cover is separated from the fiber optic positioning bottom plate and opened at a first angle, the first angle being 90° to 180°, the top surface of the main shell being flush with the upper surface of the fiber optic positioning bottom plate, the top surface of the fiber optic ferrule being flush with the upper surface of the slot structure, the flip-fitting pressing cover is rotated relative to the fiber optic positioning bottom plate, the pressing block is pressed against the fiber optic ferrule in the slot structure, and the mounting block buffers the rotational stress by squeezing or stretching the elastic member so that the position of the pressing block relative to the fiber optic ferrule remains unchanged;

[0009] When the optical fiber product is clamped between the optical fiber position limiting placement base plate and the flip-locking press cover, the flip-locking press cover is buckled and locked with the optical fiber position limiting placement base plate.

[0010] Furthermore, the flip-fitting pressure cover is provided with a groove, and the buffer pressing mechanism is arranged in the groove; the flip-fitting pressure cover is rotatably connected to the first end of the optical fiber limiting placement base plate through a rotating shaft, and the pressure block, the mounting block and the elastic member are arranged in sequence, and the pressure block is arranged adjacent to the rotating shaft; at least two of the elastic members are arranged in the groove, and the elastic members keep the mounting block in contact with the inner wall of the groove through elastic force.

[0011] Furthermore, the slot structure includes an end limiting protrusion, a front spring placement block, a spring and a rear spring placement block; a support plate is provided at the first end of the optical fiber limiting placement base plate, the end limiting protrusion is arranged on the first side of the support plate, the front spring placement block is arranged on the second side of the support plate, the rear spring placement block is fixed on the optical fiber limiting placement base plate, and the spring is arranged between the front spring placement block and the rear spring placement block; the end limiting protrusion is higher than the top surface of the support plate, the front spring placement block is higher than the top surface of the support plate, and is used to clamp the optical fiber ferrule between the end limiting protrusion and the front spring placement block.

[0012] Furthermore, the optical fiber product includes an optical fiber cable, and the front spring placement block and the rear spring placement block are provided with cable clamping grooves at positions corresponding to the contoured grooves.

[0013] Furthermore, the slot structure includes an end plate, the end limiting protrusion is arranged on the end plate, and the end plate is detachably connected to the first side of the support plate.

[0014] Furthermore, the end limit protrusion is provided with a first placement bevel on the side facing the front spring placement block, and the front spring placement block is provided with a second placement bevel on the side facing the end limit protrusion, and the first placement bevel and the second placement bevel form a guide groove for installing the optical fiber ferrule.

[0015] Furthermore, lower hook blocks are provided on both sides of the optical fiber limiting placement base plate, and upper hook clamping blocks are extended on both sides of the flip-fitting pressure cover. The upper hook clamping block is hinged to the position of the lower hook block corresponding to the upper hook block, and the upper hook block is locked or unlocked with the lower hook block by rotating the upper hook block.

[0016] Furthermore, a flip handle convex plate is provided on the side of the flip-fastening press cover away from the optical fiber limiting placement bottom plate.

[0017] Furthermore, the optical fiber product includes a cable protective layer, and an embedded protective plate is provided at the second end of the optical fiber limiting placement base plate, and the embedded protective plate is provided with a wire groove for placing the cable protective layer, and the wire groove and the contoured groove are arranged on a straight line.

[0018] The embodiment of the present application provides a laser cutting device, the laser cutting device comprising the optical fiber cutting clamping fixture described above;

[0019] The laser cutting equipment also includes a fixture fixing seat and a laser cutting head; the fixture fixing seat is provided with a first front and rear sliding seat and a second front and rear sliding seat, the optical fiber cutting clamping fixture is fixed on the upper surface of the fixture fixing seat, the laser cutting head is arranged above the optical fiber cutting clamping fixture, and a gap is provided between the laser cutting head and the optical fiber cutting clamping fixture; the laser cutting head includes a laser generating module, a beam reflecting mechanism, a transverse laser head, a transverse driving mechanism and a focusing mechanism, the laser beam generated by the laser generating module is transmitted into the transverse laser head through the beam reflecting mechanism, the transverse driving mechanism drives the transverse laser head to move along the width direction of the optical fiber limiting placement base plate, and the focusing mechanism gathers the laser beam emitted by the transverse laser head to cut the optical fiber cable fixed on the optical fiber cutting clamping fixture at the optical fiber ferrule.

[0020] The optical fiber cutting clamping jig and laser cutting equipment provided in the embodiment of the present application are provided with an optical fiber cutting clamping jig including an optical fiber limiting placement base plate, a flip-locking pressure cover and a buffer pressing mechanism. The middle part of the optical fiber limiting placement base plate is provided with a contoured groove for placing the main body shell. The flip-locking pressure cover is rotatably connected with the optical fiber limiting placement base plate. The buffer pressing mechanism is arranged on the flip-locking pressure cover and corresponds to the slot structure. The buffer pressing mechanism includes a pressing block, a mounting block and an elastic member. When the flip-locking pressure cover rotates relative to the optical fiber limiting placement base plate, the pressing block abuts and presses the optical fiber ferrule located in the slot structure. The mounting block buffers the rotational stress by squeezing or stretching the elastic member so that the position of the pressing block relative to the optical fiber ferrule remains unchanged, thereby preventing the optical fiber ferrule from being dislocated and offset due to the rotational stress. In this way, the flip-locking pressure cover can apply greater pressure to the optical fiber ferrule to clamp the optical fiber ferrule, so as to facilitate laser cutting of the optical fiber on the optical fiber ferrule. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.

[0022] Figure 1 A schematic diagram of the structure of a fiber optic cutting and clamping fixture for clamping a fiber optic product provided in an embodiment of the present application.

[0023] Figure 2 A schematic diagram of the structure of the optical fiber product provided in an embodiment of the present application.

[0024] Figure 3 A schematic diagram of the structure of the optical fiber limiting placement base plate provided in an embodiment of the present application.

[0025] Figure 4 A schematic diagram of the structure of the flip-and-snap cover provided in an embodiment of the present application.

[0026] Figure 5 A schematic diagram of the exploded structure of the upper hook clamping block corresponding to the hinged upper hook block of the flip-closed pressure cover provided in an embodiment of the present application.

[0027] Figure 6 A cross-sectional view of the optical fiber cutting and clamping fixture provided in an embodiment of the present application.

[0028] Figure 7 A partial structural cross-sectional view of the optical fiber cutting and clamping fixture provided in an embodiment of the present application.

[0029] Figure 8 A schematic diagram of the structure of the laser cutting equipment provided in an embodiment of the present application.

[0030] Fig. 9A schematic diagram of the partial structure of the laser cutting equipment provided in an embodiment of the present application.

[0031] The markings in the figure are as follows:

[0032] Laser cutting equipment 100, optical fiber cutting clamping fixture 10, optical fiber limiting placement base plate 1, profiling groove 11, card slot structure 12, end limiting protrusion 121, front spring placement block 122, spring 123, rear spring placement block 124, cable card slot 125, end plate 126, first placement slope 127, second placement slope 128, support plate 13, lower hook block 14, embedded protection plate 15, wire slot 151, flip buckle cover 2, groove 21, rotating shaft 22, upper hook clamping block 23, Upper hook block 24, return spring 25, flip handle convex plate 26, buffer clamping mechanism 3, pressure block 31, mounting block 32, limit column 321, elastic member 33, optical fiber product 20, main body shell 201, optical fiber ferrule 202, optical fiber cable 203, cable protective layer 204, fixture fixing seat 30, front and rear sliding seat 31, left and right sliding seat 32, laser cutting head 40, laser generating module 41, beam reflecting mechanism 42, transverse laser head 43, transverse driving mechanism 44, focusing mechanism 45. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0034] In the description of the present application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present application, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0035] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] For details, please refer to Figures 1 to 4 The embodiment of the present application provides an optical fiber cutting and clamping fixture 10 for clamping an optical fiber product 20, wherein the optical fiber product 20 includes a main shell 201 and an optical fiber ferrule 202, wherein the optical fiber cutting and clamping fixture 10 includes an optical fiber positioning and placing base plate 1, a flip-fastening and locking cover 2, and a buffer pressing mechanism 3; a contoured groove 11 for placing the main shell 201 is provided in the middle of the optical fiber positioning and placing base plate 1, a first end of the optical fiber positioning and placing base plate 1 is provided with a clamping groove structure 12 for clamping the optical fiber ferrule 202, and the clamping groove structure 12 It is arranged on a straight line with the contoured groove 11; the flip-fitting cover 2 is rotatably connected to the first end of the optical fiber limiting placement base plate 1, and the flip-fitting cover 2 can be buckled and locked with the optical fiber limiting placement base plate 1; the buffer clamping mechanism 3 is arranged on the flip-fitting cover 2 and corresponds to the slot structure 12, and the buffer clamping mechanism 3 includes a pressing block 31, a mounting block 32 and an elastic member 33, the pressing block 31 is arranged on the mounting block 32, and the mounting block 32 is connected to the flip-fitting cover 2 through the elastic member 33.

[0038] When the optical fiber product 20 is placed on the optical fiber positioning and placing base plate 1, the flip-locking pressure cover 2 is separated from the optical fiber positioning and placing base plate 1 and opened at a first angle, the first angle being 90° to 180°, the top surface of the main shell 201 is flush with the upper surface of the optical fiber positioning and placing base plate 1, the top surface of the optical fiber ferrule 202 is flush with the upper surface of the slot structure 12, the flip-locking pressure cover 2 is rotated relative to the optical fiber positioning and placing base plate 1, the pressing block 31 is abutted and pressed against the optical fiber ferrule 202 located in the slot structure 12, the mounting block 32 buffers the rotational stress by squeezing or stretching the elastic member 33 to keep the position of the pressing block 31 relative to the optical fiber ferrule 202 unchanged, and avoids the optical fiber ferrule 202 being dislocated and offset due to the rotational stress.

[0039] When the optical fiber product 20 is clamped between the optical fiber positioning limiting placement base plate 1 and the flip-locking pressure cover 2, the flip-locking pressure cover 2 is buckled and locked with the optical fiber positioning limiting placement base plate 1, so that the flip-locking pressure cover 2 can apply greater pressure to the optical fiber ferrule 202 to clamp the optical fiber ferrule 202, thereby facilitating laser cutting of the optical fiber cable 203 on the optical fiber ferrule 202.

[0040] The elastic member 33 is preferably a compression spring 123, a coil spring or an elastic column. The pressing block 31 is made of elastic buffer material, and the pressing block 31 can buffer stress deformation when the optical fiber ferrule 202 is squeezed by force, so as to achieve tight compression with the optical fiber ferrule 202. The optical fiber ferrule 202 is preferably a fiber carrier such as jump, MT, Mini MT, etc.

[0041] See also Figure 4 The flip buckle press cover 2 is provided with a groove 21, and the buffer pressing mechanism 3 is arranged in the groove 21. In this way, the flip buckle press cover 2 can be kept flush with the surface of one side of the optical fiber limit placement base plate 1 to prevent interference with the optical fiber product 20.

[0042] See also Figure 4 The flip-fitting cover 2 is rotatably connected to the first end of the optical fiber positioning limit placement base plate 1 through a rotating shaft 22, and the pressing block 31, the mounting block 32 and the elastic member 33 are arranged in sequence, and the pressing block 31 is arranged adjacent to the rotating shaft 22; at least two elastic members 33 are arranged in the groove 21, and the elastic members 33 keep the mounting block 32 in contact with the inner wall of the groove 21 through elastic force. When the flip-fitting cover 2 rotates relative to the optical fiber positioning limit placement base plate 1, the flip-fitting cover 2 will drive the pressing block 31 to rotate, and the pressing block 31 is fixed on the mounting block 32. The mounting block 32 buffers the rotational stress by squeezing or stretching the elastic member 33 to keep the position of the pressing block 31 relative to the optical fiber ferrule 202 unchanged, thereby preventing the optical fiber ferrule 202 from being dislocated and offset by the rotational stress.

[0043] It is understandable that the groove 21 is also provided with at least two guide columns, and through holes are provided on both sides of the mounting block 32. The guide columns pass through the through holes, and the elastic member 33 is sleeved on the guide columns to enable the mounting block 32 to slide along the guide columns to avoid position displacement.

[0044] See also Figure 6A sliding limit hole is provided at the bottom of the groove 21, and a limit column 321 extends from the bottom of the mounting block 32. The limit column 321 is slidably connected in the sliding limit hole along the direction of the elastic member 33 to avoid position deviation. When the elastic member 33 is stuck, the limit column 321 can be manually unlocked by moving it.

[0045] See also Figure 3 The slot structure 12 includes an end limiting protrusion 121, a front spring placement block 122, a spring 123 and a rear spring placement block 124; a support plate 13 is provided at the first end of the optical fiber limiting placement base plate 1, the end limiting protrusion 121 is arranged on the first side of the support plate 13, the front spring placement block 122 is arranged on the second side of the support plate 13, the rear spring placement block 124 is fixed on the optical fiber limiting placement base plate 1, and the spring 123 is arranged between the front spring placement block 122 and the rear spring placement block 124; the end limiting protrusion 121 is higher than the top surface of the support plate 13, the front spring placement block 122 is higher than the top surface of the support plate 13, and is used to clamp the optical fiber ferrule 202 between the end limiting protrusion 121 and the front spring placement block 122. That is, the area surrounded by the top surface of the support plate 13 , the end limiting protrusion 121 and the front spring placement block 122 is used to clamp the optical fiber ferrule 202 , and the end limiting protrusion 121 and the front spring placement block 122 clamp the two side edges of the optical fiber ferrule 202 .

[0046] See also Figure 2 The optical fiber product 20 includes an optical fiber cable 203, see Figure 3 The front spring placement block 122 and the rear spring placement block 124 are provided with a cable clamping groove 125 at the position corresponding to the contoured groove 11. In this way, the optical fiber cable 203 is accommodated in the cable clamping groove 125, so that the upper surface of the front spring placement block 122 and the rear spring placement block 124 is flush with the upper surface of the optical fiber limit placement base plate 1.

[0047] See also Figure 3 , Figure 6 , Figure 7 The slot structure 12 includes an end plate 126, the end limit protrusion 121 is provided on the end plate 126, and the end plate 126 is detachably connected to the first side of the support plate 13. The detachable connection of the end plate 126 allows only the end plate 126 to be disassembled and replaced when the end limit protrusion 121 is broken or deformed due to long-term use, without the need to replace the entire optical fiber limit placement base plate 1.

[0048] See also Figure 7, the end limit protrusion 121 is provided with a first placement slope 127 on the side facing the front spring placement block 122, and the front spring placement block 122 is provided with a second placement slope 128 on the side facing the end limit protrusion 121, and the first placement slope 127 and the second placement slope 128 form a guide groove for installing the optical fiber ferrule 202. It can be understood that the guide groove can facilitate the optical fiber ferrule 202 to be pressed and installed on the card slot structure 12. Preferably, the distance between the first placement slope 127 and the top surface of the support plate 13 is greater than or equal to the thickness of the optical fiber ferrule 202, and the distance between the second placement slope 128 and the top surface of the support plate 13 is greater than or equal to the thickness of the optical fiber ferrule 202.

[0049] See also Figure 3 , Figure 4 , Figure 5 , Figure 6 , lower hook blocks 14 are provided on both sides of the optical fiber limit placement base plate 1, upper hook clamping blocks 23 are extended on both sides of the flip-fastening pressure cover 2, and the upper hook clamping block 23 is hinged to the upper hook block 24 corresponding to the position of the lower hook block 14, and the upper hook block 24 is locked or unlocked by rotating the upper hook block 24. The upper hook block 24 is in contact with the end of the upper hook clamping block 23 through a reset spring 25, the lower hook block 14 is C-shaped, and the upper hook block 24 is in an inverted C-shape. The upper hook block 24 can be flipped and reset elastically, so that the upper hook block 24 can be pressed and rotated to achieve locking or unlocking with the lower hook block 14. The locking of the upper hook block 24 and the lower hook block 14 can realize the locking of the flip-fitting pressing cover 2 and the optical fiber limiting placement base plate 1, and the optical fiber ferrule 202 between the flip-fitting pressing cover 2 and the optical fiber limiting placement base plate 1 is abutted and pressed, which can increase the abutting and pressing pressure between the pressing block 31 and the optical fiber ferrule 202 located in the slot structure 12, and the pressing pressure on both sides of the optical fiber limiting placement base plate 1 is the same, and the flip-fitting pressing cover 2 can apply a greater pressure to the optical fiber ferrule 202 to clamp the optical fiber ferrule 202, so as to facilitate laser cutting of the optical fiber on the optical fiber ferrule 202, and no misalignment will occur during laser cutting.

[0050] See also Figure 4 , Figure 6 The flip buckle pressing cover 2 is also provided with a flip handle convex plate 26 on the side away from the optical fiber limit placement bottom plate 1. Preferably, the flip handle convex plate 26 is L-shaped, and the flip handle convex plate 26 is convenient for finger movement or grasping and moving, so as to facilitate the flip buckle pressing cover 2 to be rotated, pressed or opened relative to the optical fiber limit placement bottom plate 1.

[0051] See also Figure 2 The optical fiber product 20 includes a cable protective layer 204, see Figure 3 , Figure 6 An embedded protection plate 15 is provided at the second end of the optical fiber limiting placement base plate 1, and the embedded protection plate 15 is provided with a wire groove 151 for placing the cable protective layer 204, and the wire groove 151 and the contoured groove 11 are arranged on a straight line.

[0052] The optical fiber cutting clamping fixture 10 provided in the embodiment of the present application is provided with an optical fiber cutting clamping fixture 10 including an optical fiber limiting placement base plate 1, a flip-locking pressure cover 2 and a buffer clamping mechanism 3. The middle part of the optical fiber limiting placement base plate 1 is provided with a contoured groove 11 for placing the main body shell 201. The flip-locking pressure cover 2 is rotatably connected to the optical fiber limiting placement base plate 1. The buffer clamping mechanism 3 is arranged on the flip-locking pressure cover 2 and corresponds to the card slot structure 12. The buffer clamping mechanism 3 includes a pressure block 31, a mounting block 32 and an elastic member 33. When the flip-locking pressure cover 2 is When the optical fiber limiting placement base plate 1 rotates, the pressing block 31 abuts and presses the optical fiber ferrule 202 located in the slot structure 12, and the mounting block 32 buffers the rotational stress by squeezing or stretching the elastic member 33 to keep the position of the pressing block 31 relative to the optical fiber ferrule 202 unchanged, thereby preventing the optical fiber ferrule 202 from being dislocated and offset due to the rotational stress. In this way, greater pressure can be applied to the optical fiber ferrule 202 by the flip-and-fasten pressing cover 2 to clamp the optical fiber ferrule 202, thereby facilitating laser cutting of the optical fiber on the optical fiber ferrule 202.

[0053] See also Figure 8 An embodiment of the present application provides a laser cutting device 100, which includes the optical fiber cutting clamping fixture 10 described above.

[0054] See also Figure 8 , Fig. 9The laser cutting equipment 100 also includes a fixture fixing seat 30 and a laser cutting head 40; the fixture fixing seat 30 is provided with a first front and rear sliding seat 31 and a second front and rear sliding seat 32, the optical fiber cutting clamping fixture 10 is fixed on the upper surface of the fixture fixing seat 30, the laser cutting head 40 is arranged above the optical fiber cutting clamping fixture, and a gap is provided between the laser cutting head 40 and the optical fiber cutting clamping fixture 10; the laser cutting head 40 includes a laser generating module 41, a beam reflecting mechanism 42, a transverse laser head 43, a transverse driving mechanism 44 and a focusing mechanism 45, the laser beam generated by the laser generating module 41 is transmitted into the transverse laser head 43 through the beam reflecting mechanism 42, the transverse driving mechanism 44 drives the transverse laser head 43 to move along the width direction of the optical fiber limiting placement base plate 1, and the focusing mechanism 45 focuses the laser beam emitted by the transverse laser head 43 to cut the optical fiber cable 203 fixed on the optical fiber cutting clamping fixture 10 at the optical fiber ferrule 202.

[0055] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0056] The above is a detailed introduction to an optical fiber cutting and clamping fixture provided in an embodiment of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of ​​the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An optical fiber cutting and clamping fixture, used for clamping an optical fiber product, the optical fiber product comprising a main body shell and an optical fiber ferrule, characterized in that: The optical fiber cutting and clamping fixture comprises an optical fiber limiting placement base plate, a flip-fastening cover and a buffer pressing mechanism; A contoured groove for placing the main body shell is provided in the middle of the optical fiber limit placement base plate, and a clamping groove structure for clamping the optical fiber ferrule is provided at the first end of the optical fiber limit placement base plate, and the clamping groove structure and the contoured groove are arranged on a straight line; The flip buckle press cover is rotatably connected to the first end of the optical fiber limit placement base plate, and the flip buckle press cover can be buckled and locked with the optical fiber limit placement base plate; The buffer pressing mechanism is arranged on the flip buckle pressing cover and corresponds to the card slot structure. The buffer pressing mechanism includes a pressing block, a mounting block and an elastic member. The pressing block is arranged on the mounting block, and the mounting block is connected to the flip buckle pressing cover through the elastic member. When a fiber optic product is placed on the fiber optic positioning bottom plate, the flip-fitting pressing cover is separated from the fiber optic positioning bottom plate and opened at a first angle, the first angle being 90° to 180°, the top surface of the main shell being flush with the upper surface of the fiber optic positioning bottom plate, the top surface of the fiber optic ferrule being flush with the upper surface of the slot structure, the flip-fitting pressing cover is rotated relative to the fiber optic positioning bottom plate, the pressing block is pressed against the fiber optic ferrule in the slot structure, and the mounting block buffers the rotational stress by squeezing or stretching the elastic member so that the position of the pressing block relative to the fiber optic ferrule remains unchanged; When the optical fiber product is clamped between the optical fiber position limiting placement base plate and the flip-locking press cover, the flip-locking press cover is buckled and locked with the optical fiber position limiting placement base plate.

2. The optical fiber cutting and clamping jig according to claim 1, characterized in that: The flip-fitting pressure cover is provided with a groove, and the buffer pressing mechanism is arranged in the groove; the flip-fitting pressure cover is rotatably connected to the first end of the optical fiber limiting placement base plate through a rotating shaft, and the pressure block, the mounting block and the elastic member are arranged in sequence, and the pressure block is arranged adjacent to the rotating shaft; at least two elastic members are arranged in the groove, and the elastic members keep the mounting block in contact with the inner wall of the groove through elastic force.

3. The optical fiber cutting and clamping jig according to claim 1, characterized in that: The clamping slot structure includes an end limiting protrusion, a front spring placement block, a spring and a rear spring placement block; a support plate is provided at the first end of the optical fiber limiting placement base plate, the end limiting protrusion is arranged on the first side of the support plate, the front spring placement block is arranged on the second side of the support plate, the rear spring placement block is fixed on the optical fiber limiting placement base plate, and the spring is arranged between the front spring placement block and the rear spring placement block; the end limiting protrusion is higher than the top surface of the support plate, the front spring placement block is higher than the top surface of the support plate, and is used to clamp the optical fiber ferrule between the end limiting protrusion and the front spring placement block.

4. The optical fiber cutting and clamping jig according to claim 3, characterized in that: The optical fiber product comprises an optical fiber cable, and the front spring placement block and the rear spring placement block are provided with cable clamping grooves at positions corresponding to the contoured grooves.

5. The optical fiber cutting and clamping jig according to claim 3, characterized in that: The slot structure includes an end plate, the end limiting protrusion is arranged on the end plate, and the end plate is detachably connected to the first side of the support plate.

6. The optical fiber cutting and clamping jig according to claim 3, characterized in that: The end limit protrusion is provided with a first placement slope on the side facing the front spring placement block, and the front spring placement block is provided with a second placement slope on the side facing the end limit protrusion, and the first placement slope and the second placement slope form a guide groove for installing the optical fiber ferrule.

7. The optical fiber cutting and clamping jig according to claim 1, characterized in that: Lower hook blocks are provided on both sides of the optical fiber limiting placement base plate, and upper hook clamping blocks are extended on both sides of the flip-closed pressure cover. The upper hook clamping block is hinged to the upper hook block corresponding to the position of the lower hook block, and the upper hook block is locked or unlocked with the lower hook block by rotating the upper hook block.

8. The optical fiber cutting and clamping jig according to claim 1, characterized in that: A flip handle convex plate is also provided on the side of the flip-fastening press cover away from the optical fiber limiting placement bottom plate.

9. The optical fiber cutting and clamping jig according to claim 1, characterized in that: The optical fiber product includes a cable protective layer, an embedded protective plate is provided at the second end of the optical fiber limiting placement base plate, the embedded protective plate is provided with a wire groove for placing the cable protective layer, and the wire groove and the contoured groove are arranged on a straight line.

10. A laser cutting device, characterized in that: The laser cutting equipment comprises the optical fiber cutting clamping fixture according to any one of claims 1 to 9; The laser cutting equipment also includes a fixture fixing seat and a laser cutting head; the fixture fixing seat is provided with a first front and rear sliding seat and a second front and rear sliding seat, the optical fiber cutting clamping fixture is fixed on the upper surface of the fixture fixing seat, the laser cutting head is arranged above the optical fiber cutting clamping fixture, and a gap is provided between the laser cutting head and the optical fiber cutting clamping fixture; the laser cutting head includes a laser generating module, a beam reflecting mechanism, a transverse laser head, a transverse driving mechanism and a focusing mechanism, the laser beam generated by the laser generating module is transmitted into the transverse laser head through the beam reflecting mechanism, the transverse driving mechanism drives the transverse laser head to move along the width direction of the optical fiber limiting placement base plate, and the focusing mechanism gathers the laser beam emitted by the transverse laser head to cut the optical fiber cable fixed on the optical fiber cutting clamping fixture at the optical fiber ferrule.

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