Quick clamping device for machining parts

Abstract

The utility model belongs to the technical field of part machining, and particularly relates to a quick clamping device for machined parts, which comprises a base, a positioning cylinder is fixedly arranged at the top of the base, and a plurality of clamping components are arranged on the positioning cylinder; the clamping assembly comprises a supporting plate, the supporting plate is fixedly arranged on the outer surface of the positioning cylinder, and a rotating shaft penetrates through the axis of the positioning cylinder; a sliding part is fixedly arranged at the end, located in the positioning cylinder, of the rotating shaft, a feeding wheel is rotationally arranged on the sliding part, and a second motor acting on the feeding wheel is fixedly installed on the sliding part; a lantern ring is rotationally arranged at the end, located outside the positioning cylinder, of the rotating shaft, and a sliding plate is arranged in a limiting and sliding mode; a spring is arranged between the lantern ring and the sliding plate, and a driving piece acting on the sliding plate is arranged on the positioning cylinder. A vertical groove and an arc-shaped groove which communicate with each other are formed in the outer surface of the rotating shaft and are in limiting sliding fit with the sliding block. And the second motor is closed, the driving piece is started, the sliding plate moves towards the steel pipe, and therefore the clamping effect on the steel pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of part processing technology, specifically related to a quick clamping device of machining part. BACKGROUND

[0002] Steel pipe as common mechanical parts, it needs to go through foundry, polishing, polishing, cutting and other steps processing in machining car, wherein the cutting processing of steel pipe is a vital link in the steel pipe manufacturing and processing process, its method and technology are various, and it is suitable for steel pipes of different specifications and materials. When cutting the steel pipe, the steel pipe can be cut into multiple sections according to different requirements, and the multiple cutting needs to clamp and limit the steel pipe in time during the conveying process of the steel pipe, however, the clamping effect of the existing clamping device is general and has certain limitations.

[0003] The existing patent with publication number CN213614495U is a kind of quick clamping device, it includes steel pipe, positioning cylinder, advancing spring, feeding wheel, drive motor, synchronous pulley etc., when using, steel pipe is inserted into positioning cylinder, under the elastic force of advancing spring, feeding wheel is closely attached to steel pipe, for realizing the movement of subsequent steel pipe in positioning cylinder. Then, start drive motor to control synchronous pulley rotation, thereby control feeding wheel rotation, utilize feeding wheel rotation to drive steel pipe movement, make steel pipe conveying in positioning cylinder, and then convey steel pipe to cutting position.

[0004] Due to different cutting requirements, the steel pipe will be cut multiple times during processing, and the operator needs to clamp and stop the conveying steel pipe in time to ensure the cutting requirements. The above scheme can clamp and stop the conveying steel pipe under the elastic force of advancing spring by closing the drive motor. However, the center axis of the feeding wheel and the center axis of the steel pipe are always perpendicular to each other during the whole operation, the limiting effect on the steel pipe is general, and the steel pipe is easy to slide axially under the action of inertia, thereby affecting the subsequent processing of the steel pipe. UTILITY MODEL CONTENTS

[0005] To solve the problems in the background art, the utility model provides a quick clamping device of machining part.

[0006] In order to realize the above purpose, the utility model provides technical scheme as follows:

[0007] The application relates to a rapid clamping device for machining parts, which comprises a base, a positioning cylinder fixedly arranged at the top of the base, a supporting assembly and a plurality of clamping assemblies arranged in a circular array along the central axis of the positioning cylinder and arranged on the positioning cylinder, wherein the clamping assembly comprises a supporting plate, the outer surface of the positioning cylinder is provided with the supporting plate and a rotating shaft penetrating towards the axis of the positioning cylinder, one end of the rotating shaft located in the positioning cylinder is fixedly provided with a sliding part, the sliding part is provided with a feeding wheel rotatingly arranged thereon and a second motor fixedly arranged on the feeding wheel for driving the feeding wheel, one end of the rotating shaft located outside the positioning cylinder is provided with a sleeve ring rotatingly arranged thereon and a sliding plate limitingly and slidingly arranged, and the sliding plate is provided with a sliding block; a spring is arranged between the sleeve ring and the sliding plate, the positioning cylinder is provided with a driving piece acting on the sliding plate, and the outer surface of the rotating shaft is provided with a vertical groove and an arc-shaped groove in communication, and the vertical groove and the arc-shaped groove are in limitingly sliding cooperation with the sliding block.

[0008] Further, the supporting assembly comprises a sliding wheel, the bottom inner wall of the positioning cylinder is fixedly provided with a supporting box, a plurality of sliding wheels are rotatingly arranged in the supporting box, and the plurality of sliding wheels are arranged along the length direction of the positioning cylinder; the bottom of the base is fixedly provided with a plurality of air cylinders, and the telescopic shafts of the plurality of air cylinders are fixedly connected with the bottom of the supporting box.

[0009] Further, the driving piece comprises a first motor, the outer surface of the positioning cylinder is fixedly provided with a guide rod and fixedly provided with the first motor, the telescopic shaft of the first motor is fixedly connected with a threaded rod, the other end of the guide rod is fixedly connected with the supporting plate, the other end of the threaded rod is rotatingly connected with the supporting plate, the guide rod is in sliding cooperation with the sliding plate, and the threaded rod is in threaded cooperation with the sliding plate.

[0010] Further, a plurality of supporting rods are fixedly arranged on the base, the supporting rods are equal in number to the supporting plates and are fixedly connected with the supporting plates one by one.

[0011] The application has the following beneficial effects:

[0012] 1. When the second motor is turned off and the driving piece is started, the steel pipe loses the driving of the second motor, the sliding plate moves towards the steel pipe under the driving of the driving piece, the extrusion force of the feeding wheel on the steel pipe is increased, the clamping effect on the steel pipe is improved, in the process of sliding of the sliding plate, the feeding wheel rotates, the axis of the feeding wheel is not perpendicular to the axis of the steel pipe, the clamping and limiting effect on the steel pipe is further improved, the axial sliding of the steel pipe under the action of inertia is avoided, and the subsequent machining of the steel pipe is facilitated.

[0013] 2. The first motor can drive the slide plate to slide towards the direction close to the steel pipe, so that the feeding wheel is in contact with the surface of the steel pipe of different specifications. After the two are in contact, the slide plate will pull the spring under the continuous driving of the first motor, so that the feeding wheel is abutted on the surface of the steel pipe under the elastic action of the spring, thereby clamping and limiting the steel pipe of different specifications. Compared with the smaller steel pipe in the comparative document, the feeding wheel clamping effect is worse. The present scheme can exert good clamping effect on steel pipes of different specifications, has wider overall application range, and has better actual use effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and other objects, features and advantages of the exemplary embodiments of the present application will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:

[0015] Figure 1 is a schematic diagram of the overall structure of the present application;

[0016] Figure 2 is a schematic diagram of the side view structure of the present application;

[0017] Figure 3 is a schematic diagram of the local structure of the present application;

[0018] Figure 4 is a schematic diagram of the connection relationship between the slide plate and the shaft of the present application.

[0019] In the drawings:

[0020] 1, base; 2, positioning cylinder; 3, support plate; 4, support rod; 5, sliding wheel; 6, first motor; 7, threaded rod; 8, slide plate; 9, guide rod; 10, sliding block; 11, spring; 12, collar; 13, shaft; 14, vertical groove; 15, arc-shaped groove; 17, sliding part; 18, second motor; 19, feeding wheel; 20, air cylinder. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Those skilled in the art should know that the embodiments described below are only part of the embodiments of the present disclosure, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] As Figures 1-4The technical scheme that the utility model adopts is as follows: A quick clamping device for machining parts, comprising a base 1, a positioning cylinder 2 fixedly arranged on the top of the base 1, a steel pipe arranged in the positioning cylinder 2, and a support assembly arranged along the length direction of the positioning cylinder 2 on the inner wall of the bottom of the positioning cylinder 2.

[0023] The support assembly comprises sliding wheels 5, the support box is fixedly arranged on the inner wall of the bottom of the positioning cylinder 2, the sliding wheels 5 are rotatably arranged in the support box, and the sliding wheels 5 are arranged along the length direction of the positioning cylinder 2.

[0024] The inner wall of the positioning cylinder 2 is provided with a plurality of clamping assemblies for clamping the steel pipe, the clamping assemblies are arranged in a circular array along the central axis of the positioning cylinder 2, and in the example, two clamping assemblies are arranged at the front and rear cylinder openings of the positioning cylinder 2 respectively.

[0025] The clamping assembly comprises a support plate 3, the outer surface of the positioning cylinder 2 is fixedly provided with the support plate 3 and rotatably provided with a rotating shaft 13 towards the axis of the positioning cylinder 2, one end of the rotating shaft 13 located in the positioning cylinder 2 is fixedly provided with a sliding part 17, the sliding part 17 is rotatably provided with a feeding wheel 19 and fixedly installed with a second motor 18, and the output shaft of the second motor 18 is fixedly connected with the rotating shaft of the feeding wheel 19.

[0026] One end of the rotating shaft 13 located outside the positioning cylinder 2 is rotatably provided with a sleeve ring 12, the outer surface of the rotating shaft 13 located outside the positioning cylinder 2 is slidably provided with a sliding plate 8 and sleeved with a spring 11, one end of the spring 11 is fixedly connected with the sleeve ring 12, and the other end is fixedly connected with the sliding plate 8. The outer surface of the rotating shaft 13 is provided with a vertical groove 14 and an arc-shaped groove 15 in communication, the arc-shaped groove 15 is spirally arranged, a sliding block 10 is fixedly arranged in the sliding plate 8, and the vertical groove 14 and the arc-shaped groove 15 are limitingly and slidably connected with the sliding block 10.

[0027] The positioning cylinder 2 is provided with a driving part for driving the sliding plate 8 to slide, the driving part comprises a first motor 6, the outer surface of the positioning cylinder 2 is fixedly provided with a guide rod 9 and fixedly installed with the first motor 6, the telescopic shaft of the first motor 6 is fixedly connected with a threaded rod 7, the other end of the guide rod 9 is fixedly connected with the support plate 3, and the other end of the threaded rod 7 is rotatably connected with the support plate 3. The guide rod 9 is slidably connected with the sliding plate 8, and the threaded rod 7 is threadedly connected with the sliding plate 8.

[0028] In addition, a plurality of support rods 4 are fixedly arranged on the base 1, the support rods 4 are equal in number to the support plates 3 and are fixedly connected with the support plates 3 one by one.

[0029] The drawings in the scheme are structural schematic diagrams, and the specific size can be adjusted according to actual use.

[0030] Working principle: when in use, the steel pipe is inserted into the positioning cylinder 2, so that the steel pipe is placed above the sliding wheel 5, the air cylinder 20 is started, and the sliding wheel 5 is driven to rise by the telescopic shaft of the air cylinder 20, so that the steel pipe is coaxial with the positioning cylinder 2.

[0031] Subsequently, the first motor 6 is started, the threaded rod 7 is driven to rotate by the rotating shaft of the first motor 6, the sliding plate 8 approaches the central axis of the positioning cylinder 2, the sliding plate 8 is driven to slide synchronously by the spring 11, the sleeve ring 12 is driven to slide synchronously by the sleeve ring 12, and the feeding wheel 19 gradually approaches the steel pipe and is in contact with the surface of the steel pipe.

[0032] After the feeding wheel 19 is in contact with the surface of the steel pipe, neither the feeding wheel 19 nor the rotating shaft 13 slides, the sliding plate 8 stretches the spring 11 as the output shaft of the first motor 6 continues to rotate, the spring 11 generates a pulling force on the sleeve ring 12, and then the feeding wheel 19 is tightly pressed against the steel pipe, so that the limitation of the steel pipe is completed.

[0033] Subsequently, the first motor 6 is closed, and the second motor 18 is started, the output shaft of the second motor 18 drives the feeding wheel 19 to rotate, so that the steel pipe is transported to the cutting position.

[0034] When it is necessary to limit the steel pipe in transportation and avoid the pipe material to be transported along the axial direction of the positioning cylinder 2, the second motor 18 is closed, and the first motor 6 is started.

[0035] At the same time, in the process that the sliding plate 8 slides downward, the sliding block 10 slides into the arc-shaped groove 15, the feeding wheel 19 is driven to rotate by the rotating shaft 13, and the clamping and limiting effect of the steel pipe is further improved, so that the axial sliding of the steel pipe under the action of inertia is avoided, and the subsequent processing of the steel pipe is facilitated.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick clamping device for machining a part, characterized in that, The base (1) is provided with a positioning cylinder (2) at the top, the positioning cylinder (2) is provided with a support assembly and a plurality of clamping assemblies, and the clamping assemblies are arranged in a circular array along the central axis of the positioning cylinder (2); the clamping assembly comprises a support plate (3), the outer surface of the positioning cylinder (2) is fixedly provided with the support plate (3), and a rotating shaft (13) is arranged penetratingly towards the axis of the positioning cylinder (2); one end of the rotating shaft (13) in the positioning cylinder (2) is fixedly provided with a sliding part (17), the sliding part (17) is rotatably provided with a feeding wheel (19) and fixedly installed with a second motor (18) acting on the feeding wheel (19); one end of the rotating shaft (13) outside the positioning cylinder (2) is rotatably provided with a sleeve ring (12) and limitingly and slidably provided with a sliding plate (8), and the sliding plate (8) is provided with a sliding block (10); the sleeve ring (12) and the sliding plate (8) are provided with a spring (11) therebetween, and the positioning cylinder (2) is provided with a driving piece acting on the sliding plate (8); the outer surface of the rotating shaft (13) is provided with a vertical groove (14) and an arc-shaped groove (15) in communication, and the vertical groove (14) and the arc-shaped groove (15) are in limitingly and slidably matched with the sliding block (10).

2. The quick clamping device for machining parts according to claim 1, characterized in that, The support assembly comprises a sliding wheel (5), the bottom inner wall of the positioning cylinder (2) is fixedly provided with a support box, a plurality of sliding wheels (5) are rotatably arranged in the support box, and the plurality of sliding wheels (5) are arranged along the length direction of the positioning cylinder (2); the bottom of the base (1) is fixedly installed with a plurality of air cylinders (20), and the telescopic shafts of the plurality of air cylinders (20) are fixedly connected with the bottom of the support box.

3. The quick clamping device for machining parts according to claim 1, characterized in that, The driving piece comprises a first motor (6), the outer surface of the positioning cylinder (2) is fixedly provided with a guide rod (9) and fixedly installed with the first motor (6), the telescopic shaft of the first motor (6) is fixedly connected with a threaded rod (7); the other end of the guide rod (9) is fixedly connected with the support plate (3), the other end of the threaded rod (7) is rotatably connected with the support plate (3), the guide rod (9) is slidably matched with the sliding plate (8), and the threaded rod (7) is threadedly matched with the sliding plate (8).

4. The quick clamping device for machining parts according to claim 1, characterized in that, A plurality of support rods (4) are fixedly arranged on the base (1), the support rods (4) are equal in number to the support plates (3) and are fixedly connected one by one in a one-to-one correspondence.

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