Clamping device for axial drilling of shaft parts

Abstract

The utility model discloses a clamping device for axial drilling of shaft parts, which relates to the technical field of part processing and comprises a connecting block, a clamping block is arranged at the upper end of the connecting block, a clamping through groove is formed in the middle position between the connecting block and the clamping block, a clamping gasket is arranged in the clamping block and at the upper end of the clamping through groove, and a clamping groove is formed in the upper end of the clamping through groove. A limiting block is arranged at the lower end of the right side of the clamping gasket and extends into the lower end of the interior of the clamping through groove, a clamping sliding block is arranged at the lower end of the interior of the connecting block in a penetrating mode in the left-right direction, and a clamping wedge is arranged on the upper surface of the clamping sliding block and extends into the lower end of the interior of the clamping through groove. A clamping bolt is connected between the right side of the connecting block and the right side of the clamping sliding block through threads, the shaft part is clamped and fixed more firmly, when drilling is conducted in the axial direction, axial rotation of the shaft part is avoided, and the drilling precision and the outer surface precision of the shaft part are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular to an axial drilling clamping device for shaft parts. Background Art

[0002] Shaft parts refer to various shaft-shaped parts used in mechanical design and manufacturing, usually used to transmit power or connect other mechanical parts. During the manufacturing process, shaft parts usually need to be turned, ground, bored and other processing techniques. When axial drilling is performed on shaft parts, an axial drilling clamping device is required to clamp and fix the shaft parts to ensure that the parts remain stable during the drilling process and that the workpiece does not move or shake during the drilling process, so as to ensure that its accuracy and surface quality meet the requirements. Traditional axial drilling clamping devices are not firm enough to clamp and fix shaft parts. When drilling in the axial direction, the shaft parts will rotate axially, which will affect the drilling and outer surface accuracy of the shaft parts. Utility Model Content

[0003] The purpose of the utility model is to provide an axial drilling clamping device for shaft parts, so as to solve the problem that the traditional axial drilling clamping device proposed in the above background technology is not firm enough to clamp and fix the shaft parts, which causes axial rotation of the shaft parts when drilling in the axial direction, thus affecting the drilling and outer surface accuracy of the shaft parts.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an axial drilling clamping device for shaft parts, comprising a connecting block, a clamping block is provided at the upper end of the connecting block, a clamping groove is opened in the middle position between the connecting block and the clamping block, a clamping washer is provided inside the clamping block and at the upper end of the clamping groove, a limit block is provided at the right lower end of the clamping washer, the limit block extends into the inner lower end of the clamping groove, a clamping slider is penetrated through the inner lower end of the connecting block in the left and right directions, a clamping wedge is provided on the upper surface of the clamping slider, the clamping wedge extends into the inner lower end of the clamping groove, and a clamping bolt is threadedly connected between the right side of the connecting block and the right side of the clamping slider.

[0005] Preferably, a clamping groove is provided in the middle position of the lower end of the clamping washer, the clamping groove is arranged concentrically with the clamping washer, a fixing seat is provided at the upper end of the clamping washer, and a connecting bolt is threadedly connected through the upper end of the clamping block and the fixing seat.

[0006] Preferably, the front and rear sides of both ends of the connecting block are threadedly connected with mounting bolts, the lower ends of the mounting bolts extend below the connecting block, and the front and rear sides of both ends of the clamping block are threadedly connected with fixing bolts between the connecting block.

[0007] Preferably, the clamping through groove is a circular through groove structure divided into upper and lower parts, the upper part of the clamping through groove is arranged at the lower end of the clamping block, and the lower part of the clamping through groove is arranged at the upper end of the connecting block.

[0008] Preferably, a slide groove is provided inside the connecting block in the left-right direction, and the clamping slider is slidably connected to the inside of the slide groove.

[0009] Compared with the prior art, the beneficial effects of the utility model are: replacing the traditional axial drilling clamping device, the clamping block is fixedly connected to the connecting block by bolts, the shaft parts are arranged between the clamping block and the connecting block, and the clamping bolts are tightened so that the clamping slider is tightly against the lower end of the shaft parts, so that the shaft parts are clamped and fixed more firmly, and when drilling in the axial direction, axial rotation of the shaft parts is avoided, thereby ensuring the drilling and outer surface accuracy of the shaft parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is an axonometric drawing of the main structure of the utility model;

[0011] Figure 2 It is an axonometric exploded view of the main structure of the utility model;

[0012] Figure 3 It is an axonometric cross-sectional view of the main structure of the utility model;

[0013] Figure 4 This is a front cross-sectional view of the main structure of the utility model;

[0014] Figure 5 It is a schematic front view of the main structure of the utility model.

[0015] In the figure: 1-connecting block, 2-clamping block, 3-clamping through groove, 4-clamping washer, 5-limiting block, 6-clamping slider, 7-clamping wedge, 8-clamping bolt, 9-clamping groove, 10-fixing seat, 11-connecting bolt, 12-mounting bolt, 13-fixing bolt, 14-slide groove. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-5The utility model provides an axial drilling clamping device for shaft parts, including a connecting block 1, a clamping block 2 is provided at the upper end of the connecting block 1, a clamping through groove 3 is opened in the middle position between the connecting block 1 and the clamping block 2, a clamping washer 4 is provided inside the clamping block 2 and at the upper end of the clamping through groove 3, a limit block 5 is provided at the right lower end of the clamping washer 4, the limit block 5 extends into the inner lower end of the clamping through groove 3, a clamping slider 6 is penetrated in the left and right directions of the inner lower end of the connecting block 1, a clamping wedge 7 is provided on the upper surface of the clamping slider 6, the clamping wedge 7 extends into the inner lower end of the clamping through groove 3, and a clamping bolt 8 is threadedly connected between the right side of the connecting block 1 and the right side of the clamping slider 6.

[0018] When in use, the connecting block 1 is fixedly connected to the processing platform by bolts, and the clamping washer 4 of the corresponding size is set inside the clamping block 2. The clamping washer 4 can be designed in 5 different size categories according to the actual use situation. When clamping the shaft parts, use the clamping washer 4 of the corresponding size or the smallest size difference, and place the shaft parts into the clamping groove 3 so that the clamping washer 4 rests on the upper surface of the shaft parts. Then, the clamping block 2 is fixedly connected to the upper end of the connecting block 1 by bolts, and then screw The clamping bolt 8 is rotatably connected to the connecting block 1, and the inner end of the clamping bolt 8 is threadedly connected to the clamping slider 6. When the clamping bolt 8 is turned, the clamping slider 6 is driven to slide inside the connecting block 1, and the upper surface of the clamping wedge 7 is driven to abut against the lower end of the shaft part. As the clamping slider 6 moves, the inclined surface of the clamping wedge 7 gradually increases the clamping pressure of the shaft part with the clamping washer 4. A limit block 5 is set on the right side of the clamping washer 4 to prevent the shaft parts from detaching from the clamping washer 4, thereby ensuring the firmness of the connection of the shaft parts.

[0019] A clamping groove 9 is provided at the middle position of the lower end of the clamping washer 4, and the clamping groove 9 is concentrically arranged with the clamping washer 4. A fixing seat 10 is provided at the upper end of the clamping washer 4, and a connecting bolt 11 is threadedly connected through the upper end of the clamping block 2 and the fixing seat 10. By providing the clamping groove 9 at the lower end of the clamping washer 4, the sizes of the clamping grooves 9 provided in the clamping washers 4 of 5 different size categories are changed sequentially, and a fixing seat 10 is provided at the upper end of the clamping washer 4. The clamping washer 4 is fixed to the inside of the clamping block 2 by the threaded connection of the connecting bolt 11 and the fixing seat 10.

[0020] The front and rear sides of both ends of the connecting block 1 are penetrated by mounting bolts 12 through threads, and the lower ends of the mounting bolts 12 extend below the connecting block 1. The front and rear sides of both ends of the clamping block 2 are penetrated by threads and connected to the connecting block 1 with fixing bolts 13. The mounting bolts 12 penetrate the connecting block 1 to fix the entire clamping device on the processing platform, and the clamping block 2 is fixedly connected to the connecting block 1 through the fixing bolts 13.

[0021] The clamping groove 3 is a circular groove structure divided into upper and lower parts. The upper part of the clamping groove 3 is set to the lower end of the clamping block 2, and the lower part of the clamping groove 3 is set to the upper end of the connecting block 1. The clamping groove 3 with a circular structure design ensures the universality of clamping shaft parts.

[0022] The connecting block 1 is provided with a slide groove 14 in the left and right directions inside, and the clamping slider 6 is slidably connected to the inside of the slide groove 14. By setting the slide groove 14 inside the connecting block 1, the left side of the slide groove 14 passes through the left side of the connecting block 1, and a certain distance is left between the right side of the slide groove 14 and the right side outer surface of the connecting block 1, leaving space for the installation of the clamping bolt 8.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for axial drilling and clamping of shaft parts, characterized in that: The invention comprises a connecting block (1), wherein a clamping block (2) is provided at the upper end of the connecting block (1), a clamping groove (3) is provided in the middle position between the connecting block (1) and the clamping block (2), a clamping washer (4) is provided inside the clamping block (2) and at the upper end of the clamping groove (3), a limit block (5) is provided at the lower right end of the clamping washer (4), the limit block (5) extends into the lower inner end of the clamping groove (3), a clamping slider (6) is provided through the lower inner end of the connecting block (1) in the left and right directions, a clamping wedge (7) is provided on the upper surface of the clamping slider (6), the clamping wedge (7) extends into the lower inner end of the clamping groove (3), and a clamping bolt (8) is connected between the right side of the connecting block (1) and the right side of the clamping slider (6) by a thread.

2. The axial drilling clamping device for shaft parts according to claim 1 is characterized in that: A clamping groove (9) is provided at the middle position of the lower end of the clamping washer (4), and the clamping groove (9) is arranged concentrically with the clamping washer (4). A fixing seat (10) is provided at the upper end of the clamping washer (4), and a connecting bolt (11) is threadedly connected through the upper end of the clamping block (2) and the fixing seat (10).

3. The axial drilling clamping device for shaft parts according to claim 1 is characterized in that: The front and rear sides of both ends of the connecting block (1) are threadedly connected with mounting bolts (12), and the lower ends of the mounting bolts (12) extend below the connecting block (1). The front and rear sides of both ends of the clamping block (2) are threadedly connected with fixing bolts (13) between the connecting block (1).

4. The axial drilling clamping device for shaft parts according to claim 1 is characterized in that: The clamping through groove (3) is a circular through groove structure divided into upper and lower parts; the upper part of the clamping through groove (3) is arranged at the lower end of the clamping block (2), and the lower part of the clamping through groove (3) is arranged at the upper end of the connecting block (1).

5. The axial drilling clamping device for shaft parts according to claim 1 is characterized in that: The connection block (1) is provided with a slide groove (14) in the left and right directions inside, and the clamping slider (6) is slidably connected to the inside of the slide groove (14).

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