Coupler machining clamp

Abstract

The utility model relates to the technical field of couplings, in particular to a coupler machining clamp which comprises a box body, an elastic piece is arranged in the middle of the top of the box body, a pressing assembly for pressing the elastic piece is arranged in the box body, a rotating shaft is rotationally installed in the middle of the bottom of the box body, and a driving gear is installed on the top of the rotating shaft. The pressing assembly is provided with three driven gears meshed with the driving gear, a worm is rotationally installed between the two sides of the box body, and a worm gear meshed with the worm is installed on the outer side wall of the rotating shaft. According to the coupler clamping device, the worm is rotated, the worm gear drives the rotating shaft, the driving gear can drive the three driven gears to rotate synchronously, the three screws rotate synchronously, the three sliding plates are driven to be close to one another, the three pressing columns are close to one another to press the elastic piece, clamping of a coupler can be completed, and a worker only needs to rotate the worm; and compared with a mode of rotating three clamping rods one by one, the operation is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coupling technical field, concretely is a coupling machining clamp. BACKGROUND

[0002] Coupling is a mechanical engineering device, is used to connect two shafts or shaft and rotary piece, rotates together in the process of transmitting motion and power, usually does not break off under normal circumstances. Its main function is to transmit torque and motion between two shafts, sometimes also as a safety device to prevent the connected machine parts from bearing excessive load, and play the role of overload protection.

[0003] Chinese utility model publication number: including the positioning piece fixedly connected with the surface of the workbench, and a plurality of clamping rods moving on the positioning piece, the inner wall of the positioning piece is fixedly installed with a guide piece, one side of the guide piece is fixedly connected with a long strip, one end of the long strip penetrates through the positioning piece and is in sliding connection with the positioning piece, the plurality of clamping rods are arranged in annular array on the positioning piece, a tensioning assembly for driving the long strip away from the positioning piece is installed on the outer wall of the positioning piece; the user first places the coupling between the guide piece and the long strip, then rotates the second handle to drive the long strip to tightly adhere to the outer circumferential surface of the coupling, prevents the coupling from rotating and moving axially by using the friction force exerted by the long strip, then rotates the second handle to drive the jacks to tightly adhere to the long strip including the coupling, thereby limiting the radial movement of the coupling, so that the purpose of clamping the coupling is achieved.

[0004] The applicant finds that the patent has some deficiencies in use: the long strip is clamped by the three clamping rods, and the purpose of clamping the coupling is achieved, but the clamping rods need to be rotated one by one, which is not convenient to operate.

[0005] Therefore, the utility model designs a coupling machining clamp to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a coupling machining clamp to solve the problems in the background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coupling machining clamp, comprising: a box body, an elastic sheet is arranged at the middle of the top of the box body, a tightening assembly for tightening the elastic sheet is arranged on the box body, a pressing assembly for pressing the elastic sheet is arranged in the box body, a rotating shaft is rotatably installed at the middle of the bottom of the box body, a driving gear is installed at the top of the rotating shaft, three driven gears meshing with the driving gear are arranged on the pressing assembly, a worm is rotatably installed between the two sides of the box body, and a worm wheel meshing with the worm is installed on the outer side wall of the rotating shaft.

[0008] Preferably, the tightening assembly comprises two supports, the two supports are installed at one end of the top of the box body, a bidirectional screw rod is rotatably installed between the two supports, a screw block is installed on the outer side wall of the two sides of the bidirectional screw rod, the two sides of one end of the elastic sheet are fixedly installed with the two screw blocks respectively, the other end of the elastic sheet is fixedly installed with the bottom of the box body, the position of the elastic sheet can be kept fixed, the other end of the elastic sheet can be tightened by rotating the bidirectional screw rod and making the two screw blocks close to each other, and the coupling can be clamped.

[0009] Preferably, a guide rod is installed between the two supports, the screw block and the guide rod are in sliding connection, and the guide rod limits the screw block.

[0010] Preferably, the pressing assembly comprises three connecting plates, the connecting plates are installed on the inner wall of the top of the box body, a screw rod is rotatably installed between the connecting plate and the box body, three driven gears are installed on one side of the three screw rods respectively, a sliding plate is slidably installed on the outer side wall of the screw rod in a threaded mode, a limiting groove in sliding connection with the sliding plate is formed in the top of the box body, a pressing column is installed on the side of the sliding plate close to the elastic sheet, the pressing column can press the elastic sheet by rotating the screw rod and making the sliding plate close to the elastic sheet, the coupling can be pressed, the pressure of the pressing column is applied on the elastic sheet, the coupling can be avoided from being directly pressed, and damage of the coupling can be avoided.

[0011] Preferably, a knob is installed on one side of the worm and the bidirectional screw rod, the knob facilitates rotating the worm and the bidirectional screw rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a worm, a worm wheel, a rotating shaft, a driving gear, three driven gears, three screw rods, three sliding plates and three pressing columns are installed, the worm is rotatably installed on the rotating shaft, the worm wheel is rotatably installed on the rotating shaft, the driving gear is rotatably installed on the worm wheel, the three driven gears are rotatably installed on one side of the three screw rods respectively, the screw rod is slidably installed on the outer side wall of the screw rod in a threaded mode, the limiting groove in sliding connection with the sliding plate is formed in the top of the box body, the pressing column is installed on the side of the sliding plate close to the elastic sheet, the pressing column can press the elastic sheet by rotating the screw rod and making the sliding plate close to the elastic sheet, the coupling can be pressed, the pressure of the pressing column is applied on the elastic sheet, the coupling can be avoided from being directly pressed, and damage of the coupling can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a bottom view schematic diagram of the utility model;

[0015] Fig. 2 It is a top view sectional view schematic diagram of the utility model;

[0016] Fig. 3 It is a pressing assembly structure schematic diagram of the utility model.

[0017] In the figure: 1, box; 2, elastic sheet; 3, tightening assembly; 4, compression assembly; 5, rotating shaft; 6, driving gear; 7, driven gear; 8, worm; 9, worm wheel; 301, support; 302, bidirectional screw rod; 303, screw block; 401, connecting plate; 402, screw rod; 403, sliding plate; 404, limiting groove; 405, compression column. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides an embodiment: a coupling machining clamp, include: box 1, the top middle part of box 1 is equipped with elastic sheet 2, be equipped with the tightening assembly 3 of elastic sheet 2 tightening on box 1, be equipped with the compression assembly 4 of elastic sheet 2 compression in box 1, the bottom middle part of box 1 is rotatably installed with rotating shaft 5, the top of rotating shaft 5 is installed with driving gear 6, be equipped with three driven gear 7 and driving gear 6 meshing on compression assembly 4, rotatably installed with worm 8 between the both sides of box 1, the outer wall of rotating shaft 5 is installed with worm wheel 9 and worm 8 meshing, elastic sheet 2 is alloy steel spring sheet, it can withstand a large amount of deformation without rupture, has strong resilience and recovery ability.

[0020] Please refer to Figs. 1-3 In the embodiment: the tightening assembly 3 includes two supports 301, two supports 301 are installed at one end of the top of the box 1, a bidirectional screw rod 302 is rotatably installed between the two supports 301, screw blocks 303 are installed on the outer side walls of both sides of the bidirectional screw rod 302, and the two sides of one end of the elastic sheet 2 are fixedly installed with the two screw blocks 303, respectively.

[0021] Please refer to Figs. 1-3 In the embodiment: a guide rod is installed between the two supports 301, and the screw blocks 303 are slidably connected with the guide rod.

[0022] Please refer to Figs. 1-3In the embodiment, the pressing assembly 4 comprises three connecting plates 401 installed on the inner wall of the top of the box 1, a screw rod 402 rotatably installed between the connecting plate 401 and the box 1, three driven gears 7 respectively installed on one side of the three screw rods 402, a sliding plate 403 threadedly and slidably installed on the outer wall of the screw rod 402, a limiting slot 404 slidably connected with the sliding plate 403 formed on the top of the box 1, and a pressing column 405 installed on the side of the sliding plate 403 close to the elastic sheet 2.

[0023] Please refer to Figs. 1-3 In the embodiment, the worm 8 and the bidirectional screw rod 302 are both provided with a knob.

[0024] Working principle: the coupling is put into the elastic sheet 2, then the bidirectional screw rod 302 is rotated to make the two screw blocks 303 close to each other, drive the elastic sheet 2 to be tightened at one end, press the outer wall of the coupling, then the worm 8 is rotated to make the worm wheel 9 drive the rotating shaft 5 to rotate, the rotating shaft 5 drives the driving gear 6 to rotate, so that the three driven gears 7 are synchronously rotated, thereby making the three screw rods 402 synchronously rotate, drive the three sliding plates 403 to close to the elastic sheet 2, and make the three pressing columns 405 tightly abut against the elastic sheet 2 to further improve the clamping effect, the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A coupling machining fixture comprising: The utility model provides a box (1), its characterized in be equipped with elastic sheet (2) in the top middle part of box (1), be equipped with the tightening assembly (3) of elastic sheet (2) tightening on box (1), be equipped with the compression assembly (4) of elastic sheet (2) compression in box (1), rotationally installed the pivot (5) in the bottom middle part of box (1), the top of pivot (5) is installed with driving gear (6), be equipped with three driven gear (7) with driving gear (6) meshing on compression assembly (4), rotationally installed the worm (8) between the both sides of box (1), the outer side wall of pivot (5) is installed with worm wheel (9) with worm (8) meshing.

2. A coupling machining fixture according to claim 1, characterized in that: The tightening assembly (3) includes two supports (301), two supports (301) are installed at one end of the top of the box (1), a bidirectional screw rod (302) is rotatably installed between two supports (301), screw blocks (303) are installed on the outer side walls of the two sides of the bidirectional screw rod (302), and the two sides of one end of the elastic sheet (2) are fixedly installed with two screw blocks (303), respectively.

3. A coupling machining fixture according to claim 2, wherein: Two supports (301) are installed with a guide rod, and the screw blocks (303) are slidably connected with the guide rod.

4. A coupling machining fixture according to claim 1, wherein: The compression assembly (4) includes three connecting plates (401), the connecting plates (401) are installed on the inner wall of the top of the box (1), screw rods (402) are rotatably installed between the connecting plates (401) and the box (1), three driven gears (7) are installed on one side of the three screw rods (402), respectively, slide plates (403) are slidably installed on the outer side walls of the screw rods (402) through threads, the top of the box (1) is provided with limiting grooves (404) in sliding connection with the slide plates (403), and compression columns (405) are installed on one side of the slide plates (403) close to the elastic sheet (2).

5. A coupling machining fixture according to claim 1, wherein: The worm (8) and one side of the bidirectional screw rod (302) are both installed with knobs.

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