Clamping device for cutting machine

Abstract

The utility model provides a clamping device for a cutting machine, and belongs to the technical field of cutting machines, the clamping device is provided with a clamping device, a transmission mechanism and a driving mechanism, the transmission mechanism is provided with a transmission lead screw and a transmission nut, the transmission nut is rotatably arranged on the transmission lead screw in a sleeving mode, the clamping device is in linkage with the transmission nut, and the driving mechanism is provided with a driving seat and a driving motor; the driving seat is provided with a main supporting seat, an auxiliary supporting seat, a linkage wheel and a linkage shaft, the linkage shaft and the linkage wheel are rotatably arranged between the main supporting seat and the auxiliary supporting seat, and the linkage wheel is linked with the linkage shaft; the driving motor is provided with a driving wheel, and a transmission belt is arranged between the driving wheel and the linkage wheel; the transmission lead screw is linked with the linkage shaft; the main supporting seat and the auxiliary supporting seat can stably support the linkage shaft and the linkage wheel to rotate, force in the radial direction of the linkage shaft is limited between the main supporting seat and the auxiliary supporting seat, the linkage shaft can be prevented from being broken, a transmission mechanism cannot be affected, and the running stability of equipment is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of cutting machines, and more specifically, relates to a clamping device for a cutting machine. Background Art

[0002] Cutting machines are indispensable equipment in some light industries. They use the force of machine movement to apply pressure to the cutting die to cut materials.

[0003] Steel cord is the main skeleton material of radial tires and is mainly used in tire carcasses and belt layers to maintain the stability of the tire's shape and size. The tire industry uses cutting machines to cut steel cords, and during the cutting process, clamps are used to clamp the edges of the steel cords and drive the clamps to reciprocate.

[0004] The existing clamping device for cutting machines has the following disadvantages: in order to ensure the effect of clamping the steel cord, the clamp has a large mass, and the drive shaft often breaks, resulting in long downtime, which seriously affects production efficiency; the drive shaft is expensive, and frequent replacement also increases production operating costs. Summary of the invention

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a clamping device for a cutting machine. The technical solution adopted in this application is:

[0006] A clamping device for a cutting machine is provided with a clamper, a transmission mechanism and a driving mechanism. The transmission mechanism is provided with a transmission screw and a transmission nut. The transmission nut is rotatably sleeved on the transmission screw. The clamper is linked with the transmission nut. The driving mechanism is provided with a driving seat and a driving motor. The driving seat is provided with a main supporting seat, a secondary supporting seat, a linkage wheel and a linkage shaft. The linkage shaft and the linkage wheel are rotatably provided between the main supporting seat and the secondary supporting seat, and the linkage wheel is linked with the linkage shaft. The driving motor is provided with a driving wheel, and a transmission belt is provided between the driving wheel and the linkage wheel. The transmission screw is linked with the linkage shaft.

[0007] Preferably, a coupling is provided between the transmission screw and the linkage shaft.

[0008] Preferably, the coupling is provided with a connecting sleeve and a pressing sleeve, wherein the pressing sleeve is arranged on the connecting sleeve; the connecting sleeve is arranged on the linkage shaft, and the transmission screw is arranged in the connecting sleeve.

[0009] Preferably, the outer diameter of the connecting sleeve gradually increases from the outside to the inside; the connecting sleeve is provided with a first clamping plate and a second clamping plate, the cross-sections of the first clamping plate and the second clamping plate are both semicircular, and a gap is provided between the first clamping plate and the second clamping plate; the transmission screw is provided between the first clamping plate and the second clamping plate.

[0010] Preferably, a flange is provided between the connecting sleeve and the linkage shaft, and the pressing sleeve is close to the flange and fixed on the flange by bolts.

[0011] Preferably, the transmission screw is provided with a first transmission screw and a second transmission screw, the transmission nut is provided with a first transmission nut and a second transmission nut, the first transmission nut is sleeved on the first transmission screw, the second transmission nut is sleeved on the second transmission screw, and the first transmission screw and the second transmission screw are arranged parallel to each other; the clamp is fixedly arranged between the first transmission nut and the second transmission nut.

[0012] The advantages of the utility model are as follows:

[0013] The linkage shaft and the linkage wheel are rotatably arranged between the main support seat and the auxiliary support seat. The main support seat and the auxiliary support seat can stably support the linkage shaft and the linkage wheel to rotate. The force along the radial direction of the linkage shaft is limited between the main support seat and the auxiliary support seat, which can avoid the linkage shaft from breaking and will not affect the transmission mechanism, thereby increasing the stability of the equipment operation.

[0014] The transmission screw and linkage shaft together constitute the main shaft, and the main shaft adopts a split structure, which reduces the complexity of parts, simplifies processing and is convenient for assembly;

[0015] The outer diameter of the connecting sleeve increases gradually from the outside to the inside. After the compression sleeve is arranged on the connecting sleeve, the connecting sleeve will be compressed inwardly, the first clamping plate and the second clamping plate will be close to each other, and the transmission screw between the first clamping plate and the second clamping plate will be clamped, which is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained like these drawings without paying any creative labor.

[0017] Figure 1 is a schematic diagram of a clamping device for a cutting machine;

[0018] Figure 2 It is a schematic diagram of the linkage axis;

[0019] Figure 3 It is the front view of the compression sleeve;

[0020] Figure 4 It is the right side view of the compression sleeve.

[0021] Explanation of symbols in the figure:

[0022] 1 is a transmission mechanism, 11 is a transmission screw, and 12 is a transmission nut;

[0023] 2 is a driving mechanism, 21 is a driving seat, 211 is a main supporting seat, 212 is a secondary supporting seat, 213 is a linkage wheel, and 214 is a linkage shaft;

[0024] 3 is a coupling, 31 is a connecting sleeve, 311 is a first clamping plate, 312 is a second clamping plate, 313 is a flange, and 32 is a clamping sleeve. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] The clamping device for a cutting machine provided in an embodiment of the present application is now described.

[0027] like Figures 1 to 4 As shown, a clamping device for a cutting machine is provided with a clamper, a transmission mechanism 1 and a driving mechanism 2. The transmission mechanism 1 is provided with a transmission screw 11 and a transmission nut 12. The transmission nut 12 is rotatably sleeved on the transmission screw 11. The clamper is linked with the transmission nut 12. The driving mechanism 2 is provided with a driving seat 21 and a driving motor. The driving seat 21 is provided with a main supporting seat 211, a secondary supporting seat 212, a linkage wheel 213 and a linkage shaft 214. The linkage shaft 214 and the linkage wheel 213 are both rotatably provided between the main supporting seat 211 and the secondary supporting seat 212, and the linkage wheel 213 is linked with the linkage shaft 214; the driving motor is provided with a driving wheel, the driving wheel is linked with the output shaft of the driving motor, and a transmission belt is provided between the driving wheel and the linkage wheel 213; the transmission screw 11 is linked with the linkage shaft 214.

[0028] The linkage shaft 214 and the linkage wheel 213 are both rotatably arranged between the main support seat 211 and the auxiliary support seat 212. The main support seat 211 and the auxiliary support seat 212 can stably support the linkage shaft 214 and the linkage wheel 213 to rotate. The force along the radial direction of the linkage shaft 214 is limited between the main support seat 211 and the auxiliary support seat 212, which can avoid the linkage shaft 214 from breaking and will not affect the transmission mechanism 1, thereby increasing the stability of the equipment operation.

[0029] A coupling 3 is provided between the transmission screw 11 and the linkage shaft 214 , and the coupling 3 enables the transmission screw 11 and the linkage shaft 214 to rotate together and stably transmit torque.

[0030] The driving screw 11 and the linkage shaft 214 together constitute the main shaft, and the main shaft adopts a split structure, which reduces the complexity of parts, simplifies processing and is convenient for assembly.

[0031] The coupling 3 is provided with a connecting sleeve 31 and a pressing sleeve 32 . The pressing sleeve 32 is sleeved on the connecting sleeve 31 . The connecting sleeve 31 is provided on the linkage shaft 214 , and the driving screw 11 is provided in the connecting sleeve 31 .

[0032] The outer diameter of the connecting sleeve 31 gradually increases from the outside to the inside; the connecting sleeve 31 is provided with a first clamping plate 311 and a second clamping plate 312, the cross-sections of the first clamping plate 311 and the second clamping plate 312 are both semicircular, and a gap is provided between the first clamping plate 311 and the second clamping plate 312; the transmission screw 11 is provided between the first clamping plate 311 and the second clamping plate 312. In this embodiment, the inner side of the compression sleeve 32 is provided with a curved surface adapted to the connecting sleeve 31, and the contact area between the compression sleeve 32 and the connecting sleeve 31 is large, which can ensure the compression force on the connecting sleeve 31.

[0033] The outer diameter of the connecting sleeve 31 gradually increases from the outside to the inside. After the compression sleeve 32 is sleeved on the connecting sleeve 31, the connecting sleeve 31 will be compressed inward, the first clamping plate 311 and the second clamping plate 312 are close to each other, and the transmission screw 11 between the first clamping plate 311 and the second clamping plate 312 is clamped, which is convenient for installation.

[0034] The cross sections of the first clamping plate 311 and the second clamping plate 312 are both semicircular, and the structures are symmetrical and simple, which simplifies the structure of the connecting sleeve 31 . The connecting sleeve 31 has high reliability and low processing cost.

[0035] A flange 313 is provided between the connecting sleeve 31 and the linkage shaft 214 , and the pressing sleeve 32 is close to the flange 313 and fixed on the flange 313 by bolts.

[0036] The transmission screw 11 is provided with a first transmission screw and a second transmission screw, and the transmission nut 12 is provided with a first transmission nut and a second transmission nut, the first transmission nut is sleeved on the first transmission screw, the second transmission nut is sleeved on the second transmission screw, and the first transmission screw and the second transmission screw are arranged parallel to each other; the clamp is fixedly arranged between the first transmission nut and the second transmission nut.

[0037] The clamp is fixed between the first transmission nut and the second transmission nut, the relative position between the first transmission nut and the second transmission nut remains unchanged, and the first transmission nut and the second transmission nut jointly drive the clamp to move stably; in this embodiment, two drive seats 21 are also correspondingly provided, and the drive seats 21 are driven by the same drive motor, and the two linkage wheels 213 are driven by the same drive wheel through the transmission belt to ensure the synchronous operation of the two linkage wheels.

[0038] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A clamping device for a cutting machine, comprising a clamp, a transmission mechanism and a driving mechanism, wherein the transmission mechanism comprises a transmission screw and a transmission nut, wherein the transmission nut is rotatably sleeved on the transmission screw, and the clamp is linked to the transmission nut, characterized in that: The driving mechanism is provided with a driving seat and a driving motor, the driving seat is provided with a main supporting seat, a secondary supporting seat, a linkage wheel and a linkage shaft, the linkage shaft and the linkage wheel are both rotatably arranged between the main supporting seat and the secondary supporting seat, the linkage wheel is linked with the linkage shaft; the driving motor is provided with a driving wheel, a transmission belt is provided between the driving wheel and the linkage wheel; the transmission screw is linked with the linkage shaft.

2. The clamping device for a cutting machine according to claim 1, characterized in that: A coupling is arranged between the transmission screw and the linkage shaft.

3. The clamping device for a cutting machine according to claim 2, characterized in that: The coupling is provided with a connecting sleeve and a pressing sleeve, wherein the pressing sleeve is arranged on the connecting sleeve; the connecting sleeve is arranged on the linkage shaft, and the transmission screw is arranged in the connecting sleeve.

4. The clamping device for a cutting machine according to claim 3, characterized in that: The outer diameter of the connecting sleeve gradually increases from the outside to the inside; the connecting sleeve is provided with a first clamping plate and a second clamping plate, the cross-sections of the first clamping plate and the second clamping plate are both semicircular, and a gap is provided between the first clamping plate and the second clamping plate; the transmission screw is provided between the first clamping plate and the second clamping plate.

5. The clamping device for a cutting machine according to claim 4, characterized in that: A flange is provided between the connecting sleeve and the linkage shaft, and the clamping sleeve is close to the flange and is fixed to the flange by bolts.

6. The clamping device for a cutting machine according to any one of claims 1 to 5, characterized in that: The transmission screw is provided with a first transmission screw and a second transmission screw, and the transmission nut is provided with a first transmission nut and a second transmission nut, the first transmission nut is sleeved on the first transmission screw, the second transmission nut is sleeved on the second transmission screw, and the first transmission screw and the second transmission screw are arranged parallel to each other; the clamp is fixed between the first transmission nut and the second transmission nut.

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