Pneumatic clamping device for cylindrical part

Abstract

The pneumatic clamping device comprises a bottom plate, a supporting frame fixed to the upper end of the bottom plate, an air cylinder fixed to the lower portion of an upper end plate of the supporting frame, a clamping fixing body fixed to the upper portion of the upper end plate of the supporting frame, a clamping cone and a clamping sliding block, wherein the clamping cone and the clamping sliding block are installed in the clamping fixing body. The clamping cone is installed in an inner hole of the clamping fixing body, and the front end of a telescopic rod of the air cylinder penetrates through an upper end plate of the supporting frame to be fixed to the clamping cone. Clamping sliding blocks are installed in all the sliding block installation holes of the clamping fixing body, limiting screws are fixed in all the bolt connecting holes of the clamping fixing body, and each limiting screw is inserted into the corresponding limiting long hole of the clamping sliding block. A spring is installed between each limiting screw and the corresponding clamping sliding block. By means of the pneumatic clamping device, clamping and positioning operation of cylindrical part products can be achieved.

Description

Technical Field

[0001] The invention relates to a pneumatic clamping device for a cylindrical piece, belonging to the technical field of mechanical processing. Background Art

[0002] The cylindrical parts need to be threaded together and assembled. At this time, one of the parts needs to be fixed, and the other part needs to be connected and assembled with its thread and tightened. In order to achieve fast fixing and clamping of parts and improve production efficiency, it is necessary to design a cylindrical parts clamping device with simple structure and easy operation. Summary of the invention

[0003] The object of the present invention is to provide a pneumatic clamping device for cylindrical parts.

[0004] The objective of the present invention is achieved through the following technical solutions:

[0005] A pneumatic clamping device for a cylindrical piece of the present invention comprises a base plate, a support frame fixed to the upper end of the base plate, a cylinder fixed below the upper end plate of the support frame, a clamping fixture fixed above the upper end plate of the support frame, a clamping cone installed in the clamping fixture, and a clamping slide block;

[0006] The clamping fixed body is a cylindrical structure, and the outer edges of the upper port portion and the lower port portion of the clamping fixed body are respectively processed with annular connecting platforms, and the upper end annular connecting platform of the clamping fixed body is provided with a group of slider mounting holes evenly distributed around the circumference and extending radially, and the outer end of each slider mounting hole is vertically provided with a bolt connecting hole;

[0007] The lower section of the clamping cone is a cylindrical section whose diameter matches the inner diameter of the clamping fixture, and the upper section of the clamping cone is a truncated cone section that converges upwards;

[0008] The clamping slider is a long strip structure whose shape matches the mounting hole of the clamping fixed body slider, the front end of the clamping slider is processed into an inclined surface matching the clamping cone truncated cone section, the rear end of the clamping slider is vertically opened with a horizontally extending limiting long hole, and the front end of the limiting long hole is opened with a spring mounting hole;

[0009] The clamping cone is installed in the inner hole of the clamping fixed body, and the front end of the telescopic rod of the cylinder passes through the upper end plate of the support frame and is fixed to the clamping cone; clamping sliders are installed in each slider mounting hole of the clamping fixed body, and limiting screws are fixed in each bolt connection hole of the clamping fixed body, and each limiting screw is inserted into the limiting long hole of the corresponding clamping slider; a spring is installed between each limiting screw and the corresponding clamping slider.

[0010] Working process

[0011] When clamping a cylindrical product, the cylindrical product is sleeved on the annular connecting platform at the upper end of the clamping fixed body, and the cylinder drives the clamping cone to move upward through the telescopic rod, and the clamping cone pushes each clamping slider to extend radially outward through the truncated cone section, thereby clamping and fixing the cylindrical product. When releasing the cylindrical product, the cylinder drives the clamping cone to move downward through the telescopic rod, and each clamping slider retracts radially inward under the action of the corresponding spring, so that the clamping of the cylindrical product is released.

[0012] Beneficial Effects

[0013] The pneumatic clamping device of the present invention has the characteristics of simple structure, low manufacturing cost, convenient clamping, high production efficiency, etc. It can realize the clamping and positioning operation of cylindrical products and meet the needs of batch processing of cylindrical products. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the pneumatic clamping device of the present invention;

[0015] Figure 2 It is a schematic structural diagram of a clamping fixture in a pneumatic clamping device of the present invention;

[0016] In the figure, 1-base plate, 2-support frame, 3-cylinder, 4-clamping fixed body, 5-clamping cone, 6-positioning screw, 7-spring, 8-clamping slide block, 9-cylindrical product. DETAILED DESCRIPTION

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Example

[0019] like Figure 1 As shown, a pneumatic clamping device for a cylindrical member of the present invention comprises a base plate 1, a support frame 2 fixed to the upper end of the base plate 1, a cylinder 3 fixed below the upper end plate of the support frame 2, a clamping fixture 4 fixed above the upper end plate of the support frame 2, a clamping cone 5 installed in the clamping fixture 4, and a clamping slide block 8;

[0020] like Figure 2 As shown, the clamping fixing body 4 is a cylindrical structure, and the outer edges of the upper port portion and the lower port portion of the clamping fixing body 4 are respectively processed with annular connecting platforms, and the upper end annular connecting platform of the clamping fixing body 4 is provided with a group of slider mounting holes that are evenly distributed around the circumference and extend radially, and the outer end of each slider mounting hole is vertically provided with a bolt connecting hole;

[0021] The lower section of the clamping cone 5 is a cylindrical section whose diameter matches the inner diameter of the clamping fixture 4, and the upper section of the clamping cone 5 is a truncated cone section that converges upwards;

[0022] The clamping slider 8 is a long strip structure whose shape matches the slider mounting hole of the clamping fixed body 4. The front end of the clamping slider 8 is processed into an inclined surface matching the truncated cone section of the clamping cone 5. The rear end of the clamping slider 8 is vertically opened with a horizontally extending limiting long hole, and the front end of the limiting long hole is opened with a spring mounting hole;

[0023] The clamping cone 5 is installed in the inner hole of the clamping fixed body 4, and the front end of the telescopic rod of the cylinder 3 passes through the upper end plate of the support frame 2 and is fixed to the clamping cone 5; a clamping slider 8 is installed in each slider mounting hole of the clamping fixed body 4, and a limit screw 6 is fixed in each bolt connection hole of the clamping fixed body 4, and each limit screw 6 is inserted into the limit long hole of the corresponding clamping slider 8; a spring 7 is installed between each limit screw 6 and the corresponding clamping slider 8.

[0024] Working process

[0025] When clamping a cylindrical product, the cylindrical product 10 is sleeved on the annular connecting platform at the upper end of the clamping fixing body 4, and the cylinder 3 drives the clamping cone 5 to move upward through the telescopic rod, and the clamping cone 5 pushes each clamping slide block 8 to extend radially outward through the truncated cone section, thereby clamping and fixing the cylindrical product 10. When releasing the cylindrical product, the cylinder 3 drives the clamping cone 5 to move downward through the telescopic rod, and each clamping slide block 8 retracts radially inward under the action of the corresponding spring 7, so that the clamping of the cylindrical product 10 is released.

Claims

1. A pneumatic clamping device for cylindrical parts, characterized in that: It includes a bottom plate, a support frame fixed to the upper end of the bottom plate, a cylinder fixed below the upper end plate of the support frame, a clamping fixture fixed above the upper end plate of the support frame, a clamping cone and a clamping slide block installed in the clamping fixture; The clamping fixed body is a cylindrical structure, and the outer edges of the upper port portion and the lower port portion of the clamping fixed body are respectively processed with annular connecting platforms, and the upper end annular connecting platform of the clamping fixed body is provided with a group of slider mounting holes evenly distributed around the circumference and extending radially, and the outer end of each slider mounting hole is vertically provided with a bolt connecting hole; The lower section of the clamping cone is a cylindrical section whose diameter matches the inner diameter of the clamping fixture, and the upper section of the clamping cone is a frustum section that converges upwards; The clamping slider is a long strip structure whose shape matches the mounting hole of the clamping fixed body slider, the front end of the clamping slider is processed into an inclined surface matching the clamping cone truncated cone section, the rear end of the clamping slider is vertically opened with a horizontally extending limiting long hole, and the front end of the limiting long hole is opened with a spring mounting hole; The clamping cone is installed in the inner hole of the clamping fixed body, and the front end of the telescopic rod of the cylinder passes through the upper end plate of the support frame and is fixed to the clamping cone; clamping sliders are installed in each slider mounting hole of the clamping fixed body, and limiting screws are fixed in each bolt connection hole of the clamping fixed body, and each limiting screw is inserted into the limiting long hole of the corresponding clamping slider; a spring is installed between each limiting screw and the corresponding clamping slider.

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