Optical fiber ribbon cutter

Abstract

The utility model relates to the technical field of cutting knives, and discloses an optical fiber ribbon cutting knife which comprises a base plate, an operation table and a cutting assembly are arranged on the base plate, a mounting groove is formed in one side of the upper end face of the operation table, a detachable fixing plate is arranged in the mounting groove, and a limiting groove for an optical fiber ribbon to penetrate through is formed in the fixing plate. A rotatable rotating plate is arranged on the upper end face of the fixed plate, and a pressing block extending into the limiting groove is arranged on the rotating plate; a positioning groove communicated with the mounting groove is formed in the operation table, a positioning block extending into the positioning groove is arranged on the fixing plate, and a connecting piece is arranged in the positioning block. Through detachable arrangement of the fixing assembly, when optical fiber ribbons of different specifications need to be cut, fixing plates of different specifications (namely, the widths of limiting grooves are different) can be replaced, and compared with the prior art, the optical fiber ribbons of different specifications can be well fixed on the operation table, so that the applicability of the cutting knife is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting knife technical field, concretely relates to a kind of optical fiber ribbon cutting knives. BACKGROUND

[0002] In order to construction and lay convenient, optical fiber miniaturization, light weight become trend;Optical fiber ribbon has many advantages such as density, small volume;Optical fiber ribbon is by 4-24 optical fibers parallel arrangement after solidification obtained thin flat ribbon, before using, it needs to be cut to meet construction and lay requirements.

[0003] For example, the patent with the announcement number CN222135138U discloses a kind of optical fiber ribbon cutting knives, although the optical fiber ribbon cutting knife helps to control the size of cutting force in the process of optical fiber ribbon cutting, realizes the uniform force of optical fiber ribbon, improves optical fiber ribbon cutting effect;But when actually using, since optical fiber ribbon has different specifications (i.e. arrangement has different number of optical fibers), the fixing of the optical fiber ribbon cutting knife to optical fiber ribbon is using sample clamp, however, the sample clamp is difficult to adapt to different specifications of optical fiber ribbon, thereby affecting the applicability of the optical fiber ribbon cutting knife, so there is to be improved. SUMMARY

[0004] The utility model aims at providing a kind of optical fiber ribbon cutting knives to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of optical fiber ribbon cutting knife, including substrate, operating platform and cutting assembly are equipped on substrate, the upper end surface of operating platform and located at one side is equipped with installation slot, installation slot is equipped with the fixed component for fixing optical fiber ribbon and can be detached;Fixed component includes fixed plate, fixed plate is equipped with the limiting slot for optical fiber ribbon to pass through, the upper end surface of fixed plate is equipped with rotatable rotating plate, rotating plate is equipped with the pressing block that enters limiting slot, rotating plate is used to press mounting optical fiber ribbon in limiting slot;

[0007] Operating platform is equipped with the positioning slot that is connected with installation slot, fixed plate is equipped with the positioning block that enters positioning slot, positioning block is equipped with connecting piece in, connecting piece is used to carry out the fixation of positioning block in positioning slot.

[0008] As preferred, opposite side walls of the positioning groove are provided with positioning holes in pairs, and the positioning block is internally provided with a positioning cavity open at one end; the connecting piece comprises movable moving plates oppositely arranged in the positioning cavities, and the moving plates are oppositely provided with positioning rods, the positioning rods pass through the positioning block and extend into the corresponding positioning holes for fixing the positioning block, the positioning cavities are provided with guide rods, the guide rods pass through the corresponding moving plates, springs are arranged on the guide rods between the moving plates, the springs are used for pushing the moving plates away from each other, the moving plates are used for driving the positioning rods to extend into the positioning holes, and the positioning cavities are further provided with driving members for driving the moving plates to move close to each other.

[0009] As preferred, the driving member comprises a first driving block arranged on the moving plate, and a second driving block movably arranged in the positioning cavity in pairs, the first driving block is provided with a first inclined surface, and the second driving block is provided with a second inclined surface, the second driving block moves towards the opening direction of the positioning cavity for driving the positioning rods to retract into the positioning cavities.

[0010] As preferred, the upper end surface of the fixed plate is provided with a connecting seat, one side of the rotating plate is hingedly connected to the connecting seat, the upper end surface of the fixed plate is provided with a threaded hole, and the other side of the rotating plate is provided with a hand screw that can extend into the threaded hole.

[0011] As preferred, the upper end surface of the fixed plate is provided with a buffer pad.

[0012] As preferred, the opening of the positioning cavity is provided with a cover plate, the second driving block is provided with an extension part extending out of the cover plate, and the extension parts are provided with detachable handles at the extension ends.

[0013] As preferred, the cutting assembly comprises a support arranged on the base plate, the support is provided with an electric push rod, and the output end of the electric push rod is provided with a cutter head.

[0014] As preferred, the upper end surface of the operation table is provided with a avoiding groove corresponding to the cutter head.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The utility model discloses a fixed component can be detachably arranged, when different specifications of fiber optic ribbon need to be cut, different specifications of fixed plates (i.e. different widths of limiting grooves) can be replaced, compared with the prior art, different specifications of fiber optic ribbon can be better fixed on the operation table, and the applicability of the cutting knife is better.

[0017] The utility model discloses a connecting piece, so that the fixed plate on the operation table can be disassembled and assembled, so that different specifications of fixed components can be replaced. ACCURACY OF DRAWINGS

[0018] Figure 1 It is a structure diagram of the fiber optic ribbon cutting knife.

[0019] Figure 2 It is the vertical section schematic view of the support, electric push rod and cutting knife in the utility model.

[0020] Figure 3 It is the structure schematic view of the operation table, fixed plate and rotating plate in the utility model.

[0021] Figure 4 It is the structure schematic view of the operation table in the utility model.

[0022] Figure 5 It is the structure schematic view of the fixed plate and positioning block in the utility model.

[0023] Figure 6 It is the explosion view of the fixed plate, positioning block and connecting piece in the utility model.

[0024] The meaning of each reference numeral in the drawing is as follows:

[0025] 100, base plate; 110, support; 120, operation table; 130, optical fiber ribbon; 140, fixed plate; 141, rotating plate;

[0026] 200, electric push rod; 201, cutter head;

[0027] 300, avoiding groove; 310, buffer pad; 311, pressing block; 320, hand screw;

[0028] 400, positioning groove; 401, positioning hole; 402, mounting groove;

[0029] 500, positioning block; 501, positioning rod; 510, cover plate; 511, handle; 520, connecting seat;

[0030] 600, limiting groove; 610, positioning cavity; 620, moving plate; 622, first driving block; 630, guide rod; 631, spring; 640, second driving block. DETAILED DESCRIPTION

[0031] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings and examples. It should be understood that the examples are only used to explain the utility model and are not limited.

[0032] The following is combined with the drawings Figures 1-6 The example is further described in detail.

[0033] Please refer to Figures 1-3The optical fiber ribbon cutting knife in the embodiment comprises a base plate 100, the base plate 100 is provided with an operation table 120 and a cutting assembly, the upper end surface of the operation table 120 and located at one side is provided with a mounting groove 402, the mounting groove 402 is provided with a fixing assembly which is detachable and used for fixing an optical fiber ribbon 130;

[0034] The fixing assembly comprises a fixing plate 140, the fixing plate 140 is provided with a limiting groove 600 through which the optical fiber ribbon 130 passes, the upper end surface of the fixing plate 140 is provided with a rotatable rotating plate 141, the rotating plate 141 is provided with a pressing block 311 which extends into the limiting groove 600, the rotating plate 141 is used for pressing the optical fiber ribbon 130 into the limiting groove 600;

[0035] The operation table 120 is provided with a positioning groove 400 which is communicated with the mounting groove 402, the fixing plate 140 is provided with a positioning block 500 which extends into the positioning groove 400, the positioning block 500 is provided with a connecting piece, the connecting piece is used for fixing the positioning block 500 in the positioning groove 400.

[0036] As shown in the embodiment, Figure 2 the cutting assembly comprises a support 110 which is arranged on the base plate 100, the support 110 is provided with an electric push rod 200, the output end of the electric push rod 200 is provided with a cutter head 201, the upper end surface of the operation table 120 is provided with an avoiding groove 300 corresponding to the cutter head 201, when cutting the optical fiber ribbon 130, first, the optical fiber ribbon 130 is placed in the limiting groove 600, the optical fiber ribbon 130 is limited by the side wall of the limiting groove 600, then, the rotating plate 141 is turned to the fixing plate 140, the pressing block 311 presses the middle part of the optical fiber ribbon 130 in the limiting groove 600, the electric push rod 200 is started, the cutter head 201 is driven to move downward to contact the optical fiber ribbon 130 to cut it;

[0037] The cutter head 201 will not directly contact the operation table 120 when cutting the optical fiber ribbon 130, so that the cutter head 201 is not damaged;

[0038] The fixing assembly is detachable, when different specifications of the optical fiber ribbon 130 need to be cut, different specifications of the fixing plate 140 (i.e. the width of the limiting groove 600 is different) can be replaced, compared with the prior art, the operation table 120 can better fix different specifications of the optical fiber ribbon 130, so that the applicability of the cutting knife is better;

[0039] Specifically, the width of the pressing block 311 is adapted to the width of the limiting groove 600, so that the optical fiber ribbon 130 in the limiting groove 600 can be better fixed when the pressing block 311 is rotated, and the pressing block 311 is made of soft material (such as rubber);

[0040] The fixing plate 140 can be disassembled from the operation table 120, so that different specifications of the fixing assembly can be replaced.

[0041] In combination Figures 1-6 As shown in the embodiment, opposite side walls of the positioning groove 400 are provided with positioning holes 401, and the positioning block 500 is provided with an open-ended positioning cavity 610; the connecting member comprises movable moving plates 620 movably arranged in the positioning cavity 610, and the moving plates 620 are provided with positioning rods 501 movably arranged in the positioning cavity 610, the positioning rods 501 extend through the positioning block 500 and into the corresponding positioning holes 401 to fix the positioning block 500, the positioning cavity 610 is provided with guide rods 630, the guide rods 630 pass through the corresponding moving plates 620, the guide rods 630 between the moving plates 620 are provided with springs 631, the springs 631 are used to push the moving plates 620 away from each other, the moving plates 620 are used to drive the positioning rods 501 to extend into the positioning holes 401, and the positioning cavity 610 is further provided with a driving member for driving the moving plates 620 to move close to each other.

[0042] In the embodiment, when the fixing plate 140 is disassembled from the operation table 120, first, the positioning block 500 is extended into the positioning groove 400 and slides, when one end of the positioning block 500 contacts the innermost end of the positioning groove 400, under the pushing force of the spring 631, the moving plates 620 move away from each other, the positioning rods 501 extend into the positioning holes 401, and the fixing of the fixing plate 140 on the operation table 120 is completed; when the fixing plate 140 needs to be removed from the operation table 120, under the action of the driving member, the moving plates 620 move close to each other, the positioning rods 501 retract into the positioning cavity 610 and are separated from the positioning holes 401, at this time, the fixing plate 140 is moved to the opening of the positioning groove 400;

[0043] The moving direction of the moving plate 620 is limited by the guide rod 630, that is, the moving plate 620 can only move along the axial direction of the guide rod 630, and the spring 631 is preferably installed.

[0044] In combination Figures 5-6 As shown in the embodiment, the driving member comprises a first driving block 622 arranged on the moving plate 620, and a second driving block 640 movably arranged in the positioning cavity 610, the first driving block 622 is provided with a first inclined surface, and the second driving block 640 is provided with a second inclined surface, the second driving block 640 moves towards the opening direction of the positioning cavity 610 to drive the positioning rods 501 to retract into the positioning cavity 610.

[0045] When the second driving block 640 moves towards the opening direction of the positioning cavity 610, the second inclined surface extrudes the first inclined surface, and the first driving block 622 is subjected to a slanting force. Under the guidance of the guide rod 630, the first driving block 622 moves towards each other, and drives the positioning rod 501 to retract into the positioning cavity 610.

[0046] Specifically, as shown in Figure 5 and Figure 6 The opening of the positioning cavity 610 is provided with a cover plate 510, and the second driving block 640 is provided with an extension part extending through the cover plate 510. The extension part is connected by a handle 511 at the extension end.

[0047] Specifically, the cover plate 510 is installed on the opening of the positioning cavity 610 by bolts, and the handle 511 is fixedly installed on the extension end of the extension part by bolts. The handle 511 is connected with the first driving block 622 in the positioning cavity 610, and further drives the second driving block 640 to move outside the positioning cavity 610.

[0048] The cover plate 510 is provided with a notch for the extension part to pass through, and the extension part is limited by the notch, so that the second inclined surface can always cooperate with the first inclined surface.

[0049] In the embodiment, during assembly, first, the first driving block 622 and the moving plate 620 are installed at the bottom end of the positioning cavity 610. Then, the spring 631 is placed between the moving plates 620, and the second driving block 640 is placed on the moving plates 620. Next, the guide rod 630 passes through the moving plates 620 and is installed on the side wall of the positioning cavity 610 by threads. Finally, the handle 511 is installed on the extension end of the extension part by bolts.

[0050] As shown in Figures 3-6 The upper end surface of the fixed plate 140 is provided with a connecting seat 520, one side of the rotating plate 141 is hingedly connected to the connecting seat 520, the upper end surface of the fixed plate 140 is provided with a threaded hole, and the other side of the rotating plate 141 is provided with a hand screw 320 which can extend into the threaded hole.

[0051] In the embodiment, one side of the rotating plate 141 is hingedly connected to the connecting seat 520 through a connecting shaft, so that one side of the rotating plate 141 can rotate around the connecting seat 520. When the rotating plate 141 rotates to the fixed plate 140, the pressing block 311 can be driven to extend into the limiting groove 600 to fix the optical fiber ribbon 130. When the rotating plate 141 rotates away from the fixed plate 140, the fixing of the optical fiber ribbon 130 is released. At this time, the optical fiber ribbon 130 can be taken out of the limiting groove 600;

[0052] The hand screw 320 is arranged in the threaded hole, and when the hand screw 320 is inserted into the threaded hole, the pressing block 311 can be kept in the state of being inserted into the limiting groove 600 to fix the optical fiber ribbon 130, and when the hand screw 320 is pulled out of the threaded hole, the state is released, and the rotating plate 141 can be rotated.

[0053] Specifically, the upper end surface of the fixed plate 140 is provided with a buffer pad 310, and when the fixed plate 140 contacts the operation table 120, the buffer pad 310 can be buffered to avoid damage to the two.

[0054] In actual use, when the optical fiber ribbon 130 needs to be cut, first, the corresponding fixed plate 140 is selected according to the width of the optical fiber ribbon 130, the fixed plate 140 is installed on the operation table 120 through the connecting piece, the rotating plate 141 is rotated away from the fixed plate 140 to expose the limiting groove 600, the optical fiber ribbon 130 is placed in the limiting groove 600, then the rotating plate 141 is rotated towards the fixed plate 140 to fix the optical fiber ribbon 130 in the limiting groove 600, the hand screw 320 is rotated to make one end of the hand screw 320 extend out of the threaded hole, secondly, the electric push rod 200 is started to drive the cutter head 201 to move downward to contact the optical fiber ribbon 130 to cut the optical fiber ribbon 130, and after the cutting is completed, the optical fiber ribbon 130 can be taken off the operation table 120.

[0055] In summary, the above is only a preferred embodiment of the present application, and any changes and modifications made within the scope of the present application should be included in the scope of the present application.

Claims

1. An optical fiber ribbon dicing blade comprising a substrate (100) having an operation platform (120) and a cutting assembly disposed thereon, characterized in that: The upper end face of the operating table (120) at one side is provided with a mounting groove (402), and the mounting groove (402) is provided with a detachable fixing assembly for fixing the optical fiber ribbon (130); the fixing assembly comprises a fixing plate (140), the fixing plate (140) is provided with a limiting groove (600) for the optical fiber ribbon (130) to pass through, the upper end face of the fixing plate (140) is provided with a rotatable rotating plate (141), the rotating plate (141) is provided with a pressing block (311) extending into the limiting groove (600), and the rotating plate (141) is used for pressing the optical fiber ribbon (130) into the limiting groove (600). The operating table (120) is provided with a positioning groove (400) communicating with the mounting groove (402), and the fixing plate (140) is provided with a positioning block (500) extending into the positioning groove (400), and the positioning block (500) is provided with a connecting piece for fixing the positioning block (500) in the positioning groove (400).

2. The fiber optic ribbon cleaver of claim 1, wherein: The opposite side walls of the positioning groove (400) are oppositely provided with positioning holes (401), and the positioning block (500) is provided with a positioning cavity (610) with one end open; the connecting piece comprises movable moving plates (620) oppositely arranged in the positioning cavity (610), the moving plates (620) are oppositely provided with positioning rods (501), the positioning rods (501) extend through the positioning block (500) and extend into the corresponding positioning holes (401) for fixing the positioning block (500), the positioning cavity (610) is provided with guide rods (630), the guide rods (630) pass through the corresponding moving plates (620), the guide rods (630) between the moving plates (620) are provided with springs (631), the springs (631) are used for pushing the moving plates (620) away from each other, the moving plates (620) are used for driving the positioning rods (501) to extend into the positioning holes (401), and the positioning cavity (610) is further provided with a driving piece for driving the moving plates (620) to move close to each other.

3. The fiber optic ribbon cleaving tool of claim 2, wherein: The driving piece comprises first driving blocks (622) arranged on the moving plates (620), and second driving blocks (640) oppositely arranged in the positioning cavity (610) are movable, the first driving blocks (622) are provided with first inclined surfaces, the second driving blocks (640) are provided with second inclined surfaces, and the second driving blocks (640) move towards the opening direction of the positioning cavity (610) to drive the positioning rods (501) to retract into the positioning cavity (610).

4. The fiber optic ribbon cleaver of claim 1, wherein: The upper end face of the fixing plate (140) is provided with a connecting seat (520), one side of the rotating plate (141) is hingedly connected to the connecting seat (520), the upper end face of the fixing plate (140) is provided with a threaded hole, and the other side of the rotating plate (141) is provided with a hand screw (320) which can extend into the threaded hole.

5. The fiber optic ribbon cleaving tool of claim 4, wherein: The upper end face of the fixing plate (140) is provided with a buffer pad (310).

6. The fiber optic ribbon cleaving tool of claim 3, wherein: The opening of the positioning cavity (610) is provided with a cover plate (510), the second driving block (640) is provided with an extension portion extending out of the cover plate (510), and the extension portions are provided with a detachable handle (511) between the extension portions.

7. The fiber optic ribbon cleaver of claim 1, wherein: The cutting assembly comprises a support (110) arranged on a base plate (100), and an electric push rod (200) arranged on the support (110), wherein an output end of the electric push rod (200) is provided with a cutter head (201).

8. The fiber optic ribbon cleaving tool of claim 7, wherein: The upper end surface of the operation table (120) is provided with an avoiding groove (300) corresponding to the cutter head (201).

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