Inner support positioning centering clamping device for tubular part machining

Abstract

The utility model discloses an inner support positioning centering clamping device for processing tubular parts, which comprises a support base, a baffle plate is arranged on the lower surface of the support base, a first motor is fixedly connected to the side surface of the baffle plate of the support base, and a transmission lead screw is rotatably connected between the baffle plate of the support base. According to the centering clamping device for machining the tubular part with the internal support positioning function, a lateral extrusion block and an internal support sliding plate are arranged, so that when the centering clamping device works, the tubular part is arranged on the surface of a fixed supporting plate in a sleeving mode, then a second motor drives a guide cylinder to rotate, and the guide cylinder drives the lateral extrusion block to abut against a linkage sliding block; the arc-shaped surfaces of the lateral extrusion blocks push the inclined surfaces of the linkage sliding blocks, so that the linkage sliding blocks drive the inner supporting sliding plates to slide, the arc-shaped inner supporting sliding plates conveniently support the inner walls of the parts, the supporting stability is improved, meanwhile, the supporting uniformity is improved, the outer surfaces of the parts are not shielded through the inner supporting design, and machining is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical part processing technical field, concretely is a kind of centering clamping device for tubular part processing of inner support positioning. BACKGROUND

[0002] Mechanical part processing is a kind of manufacturing process that raw materials are changed into mechanical parts with specific shape, size and performance by various processing methods, and different processing methods need corresponding equipment. Lathe has ordinary lathe and numerical control lathe, and there are various types of cutters. Different cutters are selected according to different processing methods and processing materials. Clamps are used for positioning and clamping workpieces to ensure processing accuracy. Common clamps, such as three-jaw chuck, are used for clamping workpieces with rotary center on lathe. Flat-nose pliers are used for clamping small flat workpieces on milling machine. Tubular part processing is an important branch of mechanical part processing. Due to its special shape, there are some unique points in the processing process. Tubular part surface processing is to meet the functional requirements of parts, improve the surface quality and aesthetic degree of parts and other purposes.

[0003] The existing tubular parts need to be supported by tooling during processing. However, the existing tooling will block the surface of the parts during use, so the position of the parts needs to be adjusted during surface processing of the parts, which reduces the working efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of centering clamping device for tubular part processing of inner support positioning to solve the problem that the existing tooling will block the surface of the parts during use in the above background art, so the position of the parts needs to be adjusted during surface processing of the parts, which reduces the working efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of centering clamping device for tubular part processing of inner support positioning, including support base, the lower surface of which is provided with baffle, the side surface of the support base baffle is fixedly connected with first motor, transmission lead screw is rotatably connected between the support base baffles, the surface of the support base is provided with sliding slot, and the inner wall of the support base slidingly connected with positioning sliding block, the upper surface of the positioning sliding block is fixedly connected with second motor, the upper end side surface of the second motor is provided with fixed support plate, the output end of the second motor is fixedly connected with guide cylinder, the outer surface of the guide cylinder is fixedly connected with lateral extrusion block, the surface of the fixed support plate is provided with opening, and the inner wall of the fixed support plate opening is slidably connected with inner support sliding plate, the surface of the inner support sliding plate towards guide cylinder is fixedly connected with linkage sliding block.

[0006] Preferably, the output end of the first motor is fixedly connected with the rotating shaft of a transmission screw, the transmission screw is in threaded connection with two positioning sliding blocks respectively, and the upper surface of the supporting base is provided with a supporting plate.

[0007] By adopting the technical scheme, the output end of the first motor drives the transmission screw to rotate, so that the transmission screw drives the two positioning sliding blocks to slide and move towards each other.

[0008] Preferably, the fixed supporting plate is designed as a hollow cylinder, the inner wall of the fixed supporting plate is in rotary connection with the guide cylinder, and the lateral extrusion blocks are arranged in a circumferential array.

[0009] By adopting the technical scheme, the fixed supporting plate supports and installs the guide cylinder, and the guide cylinder drives the lateral extrusion blocks to slide through rotation.

[0010] Preferably, the outer surface of the lateral extrusion block is designed as an arc, the inner supporting slide plate is designed as an arc, a spring is connected between the inner supporting slide plate and the fixed supporting plate, and the surface of the linkage sliding block facing the lateral extrusion block is designed as an inclination.

[0011] By adopting the technical scheme, the arc design of the lateral extrusion block drives the linkage sliding block to move, so that the linkage sliding block drives the inner supporting slide plate to slide.

[0012] Preferably, the outer surface of the guide cylinder is fixedly connected with a first magnet, the inner wall of the cavity of the fixed supporting plate is provided with a groove, a guide piston column is in sliding connection with the inner wall of the groove of the fixed supporting plate, one end of the guide piston column is fixedly connected with a second magnet, and an anti-skid air bag is embeddedly installed on the outer surface of the fixed supporting plate.

[0013] By adopting the technical scheme, the guide cylinder drives the first magnet to rotate synchronously through rotation.

[0014] Preferably, the first magnet is arranged in a circumferential array and is correspondingly arranged with the lateral extrusion block, and a spring is connected between the guide piston column and the fixed supporting plate.

[0015] By adopting the technical scheme, the first magnet rotates to correspondingly repel the second magnet, so that the second magnet drives the guide piston column to slide.

[0016] Preferably, the poles of the first magnet and the second magnet at the ends facing each other are the same, the anti-skid air bag is designed as a ring, and the anti-skid air bag is in communication with the guide piston column.

[0017] By adopting the technical scheme, the guide piston column pushes air into the anti-skid air bag to facilitate inflation and adhesion of the anti-skid air bag through sliding of the guide piston column.

[0018] Compared with the prior art, the inner support positioning tubular part machining centering clamping device has the advantages that:

[0019] 1. The device is provided with lateral extrusion blocks and inner support sliding plates, so that when the device works, the tubular part is sleeved on the surface of the fixed support plate, then the second motor drives the guide cylinder to rotate, so that the guide cylinder drives the lateral extrusion blocks to abut against the linkage sliding blocks, the arc surface of the lateral extrusion blocks pushes the inclined surface of the linkage sliding blocks, so that the linkage sliding blocks drive the inner support sliding plates to slide, the arc inner support sliding plates are convenient for supporting the inner wall of the part, the stability of the support is improved, the uniformity of the support is increased, the inner support does not block the outer surface of the part and is convenient for machining;

[0020] 2. The device is provided with guide piston columns and anti-skid air bags, so that when the device works, the first magnet is driven to correspond to the second magnet through the rotation of the guide cylinder, the second magnet is repelled, so that the second magnet drives the guide piston column to slide, the guide piston column blows the air at one end into the anti-skid air bag, the annular anti-skid air bag is inflated to adhere to the inner wall of the part, so that the friction is increased to prevent skidding, and the stability of the part is further improved;

[0021] 3. The device is provided with transmission lead screws and positioning sliding blocks, so that when the device works, the transmission lead screw is driven to rotate by the first motor, the transmission lead screw is convenient for driving the two positioning sliding blocks to slide close to or away from each other, the two fixed support plates are convenient for limiting the two ends of the part, the symmetry stability of the limiting of the device is increased, and the supporting plate on the surface of the support base is convenient for supporting the part and convenient for taking and placing. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic view of the support base and the positioning sliding block of the utility model;

[0023] Figure 2 It is a three-dimensional structure schematic view of the first motor and the transmission lead screw of the utility model;

[0024] Figure 3 It is a three-dimensional structure schematic view of the positioning sliding block and the second motor of the utility model;

[0025] Figure 4 It is a three-dimensional structure schematic view of the fixed support plate and the guide cylinder of the utility model;

[0026] Figure 5 It is a three-dimensional structure schematic view of the fixed support plate and the inner support sliding plate of the utility model;

[0027] Figure 6 It is a three-dimensional structure schematic view of the inner support sliding plate and the linkage sliding block of the utility model.

[0028] In the figure: 1, support base; 2, first motor; 3, transmission screw; 4, positioning sliding block; 5, second motor; 6, fixed support plate; 7, guide cylinder; 8, lateral extrusion block; 9, inner support sliding plate; 10, linkage sliding block; 11, first magnet; 12, guide piston column; 13, second magnet; 14, anti-skid air bag. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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 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 protection of the present application.

[0030] Please refer to Figures 1-6 The present application provides a technical solution: a centering and clamping device for machining tubular parts with inner support positioning, comprising a support base 1, a first motor 2, a transmission screw 3, a positioning sliding block 4, a second motor 5, a fixed support plate 6, a guide cylinder 7, a lateral extrusion block 8, an inner support sliding plate 9, a linkage sliding block 10, a first magnet 11, a guide piston column 12, a second magnet 13, and an anti-skid air bag 14. The lower surface of the support base 1 is provided with a baffle, and the side surface of the baffle of the support base 1 is fixedly connected with the first motor 2. The transmission screw 3 is rotatably connected between the baffles of the support base 1. The output end of the first motor 2 is fixedly connected with the rotating shaft of the transmission screw 3. The transmission screw 3 is in threaded connection with the two positioning sliding blocks 4, respectively. The upper surface of the support base 1 is provided with a supporting plate. When using the device, first, place the parts on the supporting plate on the surface of the support base 1. Then, use the air cylinder or electric push rod to push the supporting plate and the parts upward. Then, rotate the transmission screw 3 by the first motor 2, so that the transmission screw 3 drives the two positioning sliding blocks 4 to slide close. Then, the positioning sliding blocks 4 are inserted into both ends of the parts by the second motor 5.

[0031] The surface of the support base 1 is provided with a sliding groove, and the inner wall of the support base 1 is slidably connected with a positioning sliding block 4, the upper surface of the positioning sliding block 4 is fixedly connected with a second motor 5, the upper end surface of the second motor 5 is provided with a fixed support plate 6, the fixed support plate 6 is designed as a hollow cylinder, and the inner wall of the fixed support plate 6 is rotatably connected with a guide cylinder 7, the lateral extrusion blocks 8 are arranged in a circumferential array, the outer surface of the lateral extrusion blocks 8 is designed as an arc, the inner support slide plate 9 is designed as an arc, and the inner support slide plate 9 is connected with the fixed support plate 6 through a spring, the surface of the linkage sliding block 10 facing the lateral extrusion blocks 8 is designed as an inclination, and the guide cylinder 7 is driven to rotate by the second motor 5, so that the guide cylinder 7 drives the lateral extrusion blocks 8 on the surface to move and approach the linkage sliding block 10, and the arc surface of the lateral extrusion blocks 8 extrudes and pushes the inclined surface of the linkage sliding block 10.

[0032] The output end of the second motor 5 is fixedly connected with the guide cylinder 7, the outer surface of the guide cylinder 7 is fixedly connected with the lateral extrusion blocks 8, the surface of the fixed support plate 6 is provided with an opening, the inner wall of the opening of the fixed support plate 6 is slidably connected with the inner support slide plate 9, the outer surface of the guide cylinder 7 is fixedly connected with the first magnet 11, the inner wall of the cavity of the fixed support plate 6 is provided with a groove, the inner wall of the groove of the fixed support plate 6 is slidably connected with the guide piston column 12, one end of the guide piston column 12 is fixedly connected with the second magnet 13, the outer surface of the fixed support plate 6 is embeddedly installed with the anti-skid air bag 14, and the linkage sliding block 10 is driven to move after being pushed, the inner support slide plate 9 is slidably extended out of the fixed support plate 6, so as to support and limit the inner wall of the part, prevent the outer surface of the part from being blocked, and improve the convenience of part surface machining.

[0033] The surface of the inner support slide plate 9 facing the guide cylinder 7 is fixedly connected with the linkage sliding block 10, the first magnet 11 is arranged in a circumferential array, and the first magnet 11 is correspondingly arranged with the lateral extrusion blocks 8, the guide piston column 12 is connected with the fixed support plate 6 through a spring, the opposite end poles of the first magnet 11 and the second magnet 13 are the same, the anti-skid air bag 14 is designed as a ring, and the anti-skid air bag 14 is communicated with the guide piston column 12, when the guide cylinder 7 rotates, the guide cylinder 7 drives the first magnet 11 on the surface to correspond to the second magnet 13, the second magnet 13 is repelled by the first magnet 11 and drives the guide piston column 12 to slide, so that the guide piston column 12 pushes the air into the cavity of the anti-skid air bag 14, the annular anti-skid air bag 14 is inflated and expanded to be attached to the inner wall of the part, thereby further improving the stability of the part limiting, and the practicability is improved by increasing the friction force for anti-skid.

[0034] Working principle: when the centering and clamping device for tubular part positioning is used, the first motor 2 drives the transmission screw 3 to rotate, the transmission screw 3 drives the two positioning sliding blocks 4 to slide close, the two fixed support plates 6 are inserted into the two ends of the part respectively, then the second motor 5 drives the guide cylinder 7 to rotate, the guide cylinder 7 drives the lateral extrusion block 8 to push the linkage sliding block 10, the linkage sliding block 10 drives the inner support sliding plate 9 to slide out to facilitate the inner support part, the first magnet 11 on the surface of the guide cylinder 7 rotates at the same time, the first magnet 11 corresponds and repels the second magnet 13, the second magnet 13 drives the guide piston column 12 to slide and inflates the anti-skid air bag 14, the anti-skid air bag 14 is inflated and adheres to the inner wall of the part to prevent skidding, the practicability of the whole is increased.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A centering clamping device for machining tubular parts with internal support positioning, comprising a support base (1) with a baffle on its lower surface, a first motor (2) fixedly connected to the side surface of the baffle of the support base (1), a transmission screw (3) rotatably connected between the baffles of the support base (1), a sliding groove opened on the surface of the support base (1), and a positioning slider (4) slidably connected to the inner wall of the support base (1), characterized in that: The upper surface of the positioning slider (4) is fixedly connected with a second motor (5), the upper end surface of the second motor (5) is provided with a fixed support plate (6), the output end of the second motor (5) is fixedly connected with a guide cylinder (7), the outer surface of the guide cylinder (7) is fixedly connected with a lateral extrusion block (8), the surface of the fixed support plate (6) is provided with an opening, and the inner wall of the opening of the fixed support plate (6) is slidably connected with an inner support slide plate (9), and the surface of the inner support slide plate (9) towards the guide cylinder (7) is fixedly connected with a linkage slider (10).

2. A centering and clamping device for machining of internally supported positioned tubular parts according to claim 1, characterized in that: The output end of the first motor (2) is fixedly connected with the rotating shaft of the transmission screw (3), the transmission screw (3) is in threaded connection with the two positioning sliders (4) respectively, and the upper surface of the support base (1) is provided with a supporting plate.

3. A centering and clamping device for machining of internally supported positioned tubular parts according to claim 1, characterized in that: The fixed support plate (6) is designed as a hollow cylinder, and the inner wall of the fixed support plate (6) is in rotational connection with the guide cylinder (7), and the lateral extrusion block (8) is arranged in a circumferential array.

4. A centering and clamping device for machining of internally supported positioned tubular parts according to claim 1, characterized in that: The outer surface of the lateral extrusion block (8) is designed as an arc, the inner support slide plate (9) is designed as an arc, and a spring is connected between the inner support slide plate (9) and the fixed support plate (6), and the surface of the linkage slider (10) towards the lateral extrusion block (8) is designed as an inclination.

5. A centering and clamping device for machining of internally supported positioned tubular parts according to claim 1, characterized in that: The outer surface of the guide cylinder (7) is fixedly connected with a first magnet (11), the inner wall of the cavity of the fixed support plate (6) is provided with a groove, and the inner wall of the groove of the fixed support plate (6) is slidably connected with a guide piston column (12), one end of the guide piston column (12) is fixedly connected with a second magnet (13), and the outer surface of the fixed support plate (6) is embeddedly installed with an anti-skid air bag (14).

6. A centering and clamping device for the machining of internally supported tubular parts according to claim 5, characterized in that: The first magnet (11) is arranged in a circumferential array, and the first magnet (11) is correspondingly arranged with the lateral extrusion block (8), and a spring is connected between the guide piston column (12) and the fixed support plate (6).

7. A centering and clamping device for the machining of internally supported tubular parts according to claim 5, characterized in that: The same magnetic pole is arranged at the end of the first magnet (11) and the second magnet (13) facing each other, the anti-skid air bag (14) is designed as a ring, and the anti-skid air bag (14) is in communication with the guide piston column (12). The same magnetic pole is arranged at the end of the first magnet (11) and the second magnet (13) facing each other, the anti-skid air bag (14) is designed as a ring, and the anti-skid air bag (14) is in communication with the guide piston column (12).

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