Clamping jig for CNC machining of cylindrical side face threaded hole

Abstract

The clamping jig for CNC machining of the cylindrical side face threaded hole comprises a clamp body and a clamping block, a containing groove is formed in the side wall of the clamp body in the height direction, and the upper end of the containing groove is of a completely-open structure located in the upper end face of the clamp body. The depth of the containing groove is smaller than the length of the clamp body in the extending direction. The clamping block is arranged in an opening, located in the side face of the clamp body, of the containing groove, a plurality of screw holes axially perpendicular to the side face of the clamp body are formed in the clamping block, and bolts are connected into the screw holes in a screwed mode. A plurality of positioning holes opposite to the screw holes are formed in the side wall, opposite to the clamping plate, of the clamp body, positioning pins are inserted into the positioning holes, and the bolts abut against the opposite ends of the positioning pins. According to the clamping jig for CNC machining of the threaded hole in the side face of the cylinder, clamping is easy, product precision is guaranteed, and product machining efficiency and stability are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of CNC machining fixtures, and particularly relates to a clamping fixture for machining a threaded hole on the side surface of a cylinder in CNC machining. Background Art

[0002] The side surface of a shaft-like part is machined by using a vise pressure block. The defect of this method is that each part needs to be positioned, which is time-consuming and laborious, and the machining accuracy cannot be guaranteed, and the product is deformed. Content of the Utility Model

[0003] In view of the above problems, the utility model provides a clamping fixture for machining a threaded hole on the side surface of a cylinder in CNC machining.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A clamping fixture for machining a threaded hole on the side surface of a cylinder in CNC machining, comprising a fixture main body and a clamping block. A receiving groove is formed in the side wall of the fixture main body in the height direction. The upper end of the receiving groove is a completely open structure located within the upper end surface of the fixture main body, and the depth of the receiving groove is less than the length of the fixture main body in its extending direction; the clamping block is placed in the open portion of the receiving groove on the side surface of the fixture main body. A plurality of screw holes axially perpendicular to the side surface of the fixture main body are formed in the clamping block, and bolts are screwed in the screw holes; a plurality of positioning holes opposite to the screw holes are formed in the side wall of the fixture main body opposite to the clamping plate, and positioning pins are inserted in the positioning holes, and the opposite ends of the bolts and the positioning pins are in contact.

[0006] Further, the fixture main body is cylindrical, the receiving groove is located in the upper part of the fixture main body, and the depth of the receiving groove is less than the diameter of the fixture main body.

[0007] Further, the clamping block is circular.

[0008] Further, the number of the screw holes is two, the two screw holes are symmetrically arranged with respect to the center of the clamping block, and the two screw holes are horizontally arranged.

[0009] Further, the upper end surface of the clamping block is lower than the upper end surface of the fixture main body.

[0010] Further, the open structure of the receiving groove located within the upper end surface of the fixture main body is rectangular, and the width of the rectangle is less than the diameter of the clamping block.

[0011] The clamping fixture for machining a threaded hole on the side surface of a cylinder in the utility model uses a positioning pin and a clamping block to position and clamp the product, reduces the time for repeated positioning, ensures the machining accuracy and the part will not be deformed, is not only easy to clamp but also ensures the product accuracy, and greatly improves the machining efficiency and stability of the product. Description of the Drawings

[0012] Figure 1 This is a schematic diagram of the disassembled structure of the clamping fixture for machining a threaded hole on the side surface of a cylinder by CNC according to the present utility model.

[0013] Figure 2 This is a three-dimensional view of the assembled structure of the clamping fixture for machining a threaded hole on the side surface of a cylinder by CNC according to the present utility model.

[0014] Figure 3 This is a top view of the assembled structure of the clamping fixture for machining a threaded hole on the side surface of a cylinder by CNC according to the present utility model.

[0015] Among them, 1 - fixture main body, 2 - clamping block, 3 - positioning pin, 4 - bolt, 11 - receiving groove. Detailed Description of the Preferred Embodiments

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way restrictive of the present utility model and its application or use. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0017] As Figures 1 to 3 shown, a clamping fixture for machining a threaded hole on the side surface of a cylinder by CNC includes a fixture main body 1 and a clamping block 2. A receiving groove 11 is provided on the side wall of the fixture main body 1 in the height direction. The upper end of the receiving groove 11 is a completely open structure located within the upper end surface of the fixture main body 1, and the depth of the receiving groove 11 is less than the length of the fixture main body 1 in its extending direction; the clamping block 2 is placed in the open portion of the receiving groove 11 on the side surface of the fixture main body. A plurality of screw holes perpendicular to the side surface of the fixture main body 1 in the axial direction are provided on the clamping block 2, and bolts 4 are screwed into the screw holes; a plurality of positioning holes opposite to the screw holes are provided on the side wall of the fixture main body 1 opposite to the clamping plate, and positioning pins 3 are inserted into the positioning holes, and the opposite ends of the bolts 4 and the positioning pins abut against each other.

[0018] Furthermore, the fixture main body 1 is cylindrical, the clamping block 2 is circular, and the upper end surface of the clamping block 2 is lower than the upper end surface of the fixture main body 1; the receiving groove 11 is located in the upper part of the fixture main body 1, and the depth of the receiving groove 11 is less than the diameter of the fixture main body 1; the open structure of the receiving groove 11 located within the upper end surface of the fixture main body 1 is rectangular, and the width of the rectangle is less than the diameter of the clamping block 2.

[0019] In this embodiment, the number of the screw holes is two, and the two screw holes are symmetrically arranged relative to the center of the clamping block 2, and the two screw holes are horizontally arranged.

[0020] The fixture body 1 is fixed by a machine tool, and the workpiece is fixed by a positioning pin 3 and a bolt 4 to realize the machining of the side hole thread.

[0021] Those of ordinary skill in the art should understand that: the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A clamping fixture for CNC machining of threaded holes on the side of a cylinder, characterized in that: It includes a clamp body and a clamp block, a receiving groove is opened on the side wall of the clamp body in the height direction, the upper end of the receiving groove is a completely open structure located in the upper end surface of the clamp body, and the depth of the receiving groove is less than the length of the clamp body in its extension direction; the clamp block is placed in the opening of the receiving groove on the side of the clamp body, and a plurality of screw holes axially perpendicular to the side of the clamp body are opened on the clamp block, and bolts are screwed in the screw holes; a plurality of positioning holes arranged opposite to the screw holes are opened on the side wall of the clamp body opposite to the clamp plate, and positioning pins are inserted in the positioning holes, and the bolts abut against the opposite ends of the positioning pins.

2. The clamping fixture for CNC machining of cylindrical side threaded holes according to claim 1, characterized in that: The clamp body is cylindrical, the receiving groove is located at the upper part of the clamp body, and the depth of the receiving groove is smaller than the diameter of the clamp body.

3. The clamping fixture for CNC machining of cylindrical side threaded holes according to claim 2, characterized in that: The clamping block is in the shape of a disc.

4. The clamping fixture for CNC machining of cylindrical side threaded holes according to claim 3, characterized in that: The number of the screw holes is two, the two screw holes are symmetrically arranged relative to the center of the clamping block, and the two screw holes are horizontally arranged.

5. The clamping fixture for CNC machining of cylindrical side threaded holes according to claim 4, characterized in that: The upper end surface of the clamp block is lower than the upper end surface of the clamp body.

6. The clamping fixture for CNC machining of cylindrical side threaded holes according to claim 4, characterized in that: The open structure of the receiving groove located in the upper end surface of the clamp body is rectangular, and the width of the rectangle is smaller than the diameter of the clamp block.

Images