Clamping tool for milling plane of guide pin

Abstract

The utility model relates to a clamping tool for milling a plane of a guide pin. The clamping tool comprises a tool main body, the tool main body is provided with two working grooves which are oppositely arranged and a mounting hole which is communicated with the two working grooves and is used for mounting a workpiece; an abutting assembly and a clamping assembly are arranged on the two sides of the mounting hole correspondingly; the total length of the effective working surface of the clamping assembly in contact with the workpiece in the first direction is not less than half of the length of the workpiece; the first direction is parallel to the length direction of the workpiece; a movable assembly capable of abutting the clamping assembly against the workpiece is arranged at the end, away from the mounting hole, of the clamping assembly. According to the utility model, the first clamping plate and the second clamping plate are arranged to clamp a workpiece, and a plate-shaped structure is utilized, so that the contact area with the workpiece is larger, the clamping stability can be better ensured, and the deformation of the workpiece during processing is reduced; on the other hand, the thickness of the first clamping plate and the second clamping plate is smaller than the diameter of the workpiece, so that the part, needing to be milled, of the workpiece protrudes, and machining is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of guide pin milling, in particular to a clamping tool for guide pin milling plane. Background Art

[0002] Most traditional milling and clamping fixtures use V-blocks. They are suitable for cylindrical workpieces. In the prior art, there are also structures such as clamps that are used to clamp cylindrical workpieces, thereby completing the milling flattening operation; but this type of fixture is usually suitable for clamping larger cylindrical workpieces. It is difficult to clamp and position particularly small cylindrical workpieces. For example, for cylindrical workpieces with a diameter of about 0.2-5mm, the clamping fixtures in the prior art cannot perform the clamping operation well, and the strength of small cylindrical workpieces is poor. It is also necessary to consider the problem of workpiece deformation that may be caused when milling a plane. Utility Model Content

[0003] In order to solve the above problems in the prior art, the utility model provides a guide pin milling plane clamping tool.

[0004] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0005] The guide pin milling plane clamping tool comprises a tool body; the tool body is provided with two working grooves arranged opposite to each other and a mounting hole for mounting a workpiece connecting the two working grooves; abutment components and clamping components are respectively provided on both sides of the mounting hole; the total length of the effective working surface of the abutment component abutting on the workpiece along the first direction is not less than half of the length of the workpiece; the total length of the effective working surface of the clamping component in contact with the workpiece along the first direction is not less than half of the length of the workpiece; the first direction is parallel to the length direction of the workpiece; the end of the clamping component away from the mounting hole is provided with a movable component that can press the clamping component against the workpiece.

[0006] Furthermore, the abutting assembly includes a first clamping plate; and a first mounting groove for accommodating the first clamping plate is provided on the tooling body.

[0007] Furthermore, the total length of the effective working surface of the first clamping plate along the first direction is equal to the length of the workpiece.

[0008] Furthermore, the first mounting groove is connected to the mounting hole; the size of the first mounting groove in the second direction is equal to the size of the first clamping plate in the second direction; the second direction is perpendicular to the first direction; and the first direction and the second direction are both perpendicular to the third direction.

[0009] Furthermore, the effective working surface of the first clamping plate abutting against the workpiece is an arc surface; and the size of the effective working surface in the third direction is smaller than the diameter of the workpiece.

[0010] Furthermore, the clamping assembly includes a second clamping plate; and the tooling body is provided with a second mounting groove for accommodating the first clamping plate.

[0011] Furthermore, the total length of the effective working surface of the second clamping plate along the first direction is equal to the length of the workpiece.

[0012] Furthermore, the second mounting groove is connected to the mounting hole; the size of the second mounting groove in the second direction is larger than the size of the second clamping plate in the second direction; the second direction is perpendicular to the first direction; and the first direction and the second direction are both perpendicular to the third direction.

[0013] Furthermore, the movable component is provided with an external thread; the tool body is provided with a threaded hole that matches the external thread; and the threaded hole is connected to the second mounting groove.

[0014] Furthermore, the effective working surface of the second clamping plate abutting against the workpiece is an arc surface; and the size of the effective working surface in the third direction is smaller than the diameter of the workpiece.

[0015] The beneficial effects of the present invention are as follows: the workpiece is clamped by setting the first clamping plate and the second clamping plate. Due to the use of the plate-like structure, the contact area with the workpiece is larger, which can better ensure the stability of the clamping and reduce the deformation of the workpiece during processing; on the other hand, the thickness of the first clamping plate and the second clamping plate is smaller than the diameter of the workpiece, so that the part of the workpiece that needs to be milled protrudes, thereby facilitating processing, and the end face of the clamping plate can be used to conveniently observe the processing results; the movable component is used to facilitate the installation and disassembly of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the workpiece structure of the utility model after processing;

[0019] Figure 3 This is the main view of the utility model tooling body;

[0020] Figure 4 This is a structural schematic diagram of another embodiment of the first clamping plate of the utility model;

[0021] Description of reference numerals:

[0022] 100. Tool body; 101. Effective working surface; 110. Working groove; 120. Mounting hole; 130. First mounting groove; 131. First clamping plate; 132. Hollow groove; 140. Second mounting groove; 141. Second clamping plate; 150. Threaded hole; 160. Movable component; 170. Workpiece; 171. Flat head. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model in specific circumstances.

[0026] Example:

[0027] like Figure 1-3 As shown, the first direction is parallel to the X direction, the second direction is parallel to the Y direction, and the third direction is parallel to the Z direction. For the convenience of description, the first direction may also be referred to as the X direction, the second direction may also be referred to as the Y direction, and the third direction may also be referred to as the Z direction.

[0028] A guide pin milling plane clamping tool, wherein the guide pin refers to a cylindrical workpiece 170 with a diameter of 0.2-5 mm, and a guide pin with a diameter of 0.7 mm for the cylindrical workpiece 170 is used as an example; the tool comprises a tool body 100; the tool body 100 is provided with two working grooves 110 arranged opposite to each other and a mounting hole 120 connecting the two working grooves 110 for mounting the workpiece 170; the length direction of the mounting hole 120 is the X direction; in one embodiment, the working groove 110 extends along the Z direction, that is, the length direction of the working groove 110 is along the Z direction; the depth direction of the working groove 110 is along the X direction; the setting of the working groove 110 provides a processing space when processing the flat head 171 of the workpiece 170, so that both ends of the workpiece 170 can extend into the working groove 110, which is convenient for milling the plane;

[0029] 170 , the workpiece 170 is provided with a plurality of support members 122 and 123. The support members 122 are provided with a plurality of support members 124 and 125. The support members 124 are provided with a plurality of support members 126 and 127. The support members 126 are provided with a plurality of support members 128 and 129. Figure 4As shown, in one embodiment, the abutment assembly can be provided with a plurality of hollow grooves 132 on the basis of the first clamping plate 131, thereby reducing costs; however, correspondingly, the contact area between the effective working surface 101 and the workpiece 170 will be reduced, but it still has an effective clamping effect on the small-sized workpiece 170; in one embodiment, the first mounting groove 130 is connected to the mounting hole 120, and the size of the first mounting groove 130 in the Y direction is equal to the size of the first clamping plate 131 in the Y direction; in one embodiment, the first clamping plate 131 and the first mounting groove 130 are interference fit, thereby achieving the fixed setting of the first clamping plate 131; in one embodiment, most of the first clamping plates 131 and the tooling body 100 can be welded or fixedly connected with any other structure, or the first clamping plate 131 and the tooling body 100 can be provided as an integral structure;

[0030] The total length of the effective working surface 101 of the clamping assembly in contact with the workpiece 170 along the X direction is not less than half the length of the workpiece 170; in one embodiment, the clamping assembly includes a second clamping plate 141; a second mounting groove 140 is provided on the tooling body 100 to accommodate the first clamping plate 131; the total length of the effective working surface 101 of the second clamping plate 141 along the first direction is equal to the length of the workpiece 170; the second mounting groove 140 is connected to the mounting hole 120; the size of the second mounting groove 140 in the Y direction is greater than the size of the second clamping plate 141 in the Y direction, so that the second The clamping plate 141 has a movable space in the Y direction, which is convenient for the second clamping plate 141 to clamp and release the workpiece 170; the effective working surface 101 of the second clamping plate 141 abutting against the workpiece 170 is an arc surface, which matches the arc surface with the arc of the outer surface of the workpiece, so that it can better fit the workpiece 170; the size of the effective working surface 101 in the Z direction is smaller than the diameter of the workpiece 170; the end of the clamping assembly away from the mounting hole 120 is provided with a movable assembly 160 that can press the clamping assembly against the workpiece 170; the movable assembly 160 is provided with an external thread; the tooling body 100 is provided with a There is a threaded hole 150 that cooperates with the external thread; the threaded hole 150 is connected to the second mounting groove 140; the movable component 160 can use a bolt at any time to realize the movable component 160 to move closer to or away from the mounting hole 120 by rotation; in one embodiment, the movable component 160 may not be directly connected to the second clamping plate 141, and the two may be separate components. To achieve clamping of the workpiece 170, the movable component 160 is rotated to move closer to the mounting hole 120, thereby pressing the second clamping plate 141 against the workpiece 170 to achieve the fixation of the workpiece 170, and when releasing, it is only necessary to move the movable component 160 to move closer to the mounting hole 120. After rotating in the opposite direction, the second clamping plate 141 naturally releases the workpiece 170 without the force applied by the movable assembly 160. Therefore, the movable assembly 160 does not need to be diametrically connected to the second clamping plate 141. In one embodiment, the movable assembly 160 is magnetically connected to the second clamping plate 141. A magnet is provided at one end of the movable assembly 160 close to the second clamping plate 141. The second clamping plate 141 is made of a magnetic conductive metal. The connection between the two is achieved through magnetic attraction. When the workpiece 170 is released, the second clamping plate 141 can be driven to move away from the workpiece 170, thereby better releasing the workpiece 170.

[0031] like Figure 1 In FIG, the end portion of the workpiece 170 is round and has not yet been processed; Figure 2 After the workpiece 170 is machined, two flat surfaces are milled out of the end portion of the workpiece 170 to form a flat head 171 .

[0032] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. The guide pin milling plane clamping fixture is characterized by: The tooling body (100) comprises two working grooves (110) arranged opposite to each other and a mounting hole (120) for mounting a workpiece (170) and communicating with the two working grooves (110); an abutting assembly and a clamping assembly are respectively provided on both sides of the mounting hole (120); the total length of the effective working surface (101) of the abutting assembly abutting against the workpiece (170) along a first direction is not less than half the length of the workpiece (170); the total length of the effective working surface (101) of the clamping assembly in contact with the workpiece (170) along the first direction is not less than half the length of the workpiece (170); the first direction is parallel to the length direction of the workpiece (170); and a movable assembly (160) is provided at one end of the clamping assembly away from the mounting hole (120) for pressing the clamping assembly against the workpiece (170).

2. The guide pin milling plane clamping fixture according to claim 1, characterized in that: The abutting assembly comprises a first clamping plate (131); and a first mounting groove (130) for accommodating the first clamping plate (131) is provided on the tooling body (100).

3. The guide pin milling plane clamping fixture according to claim 2, characterized in that: The total length of the effective working surface (101) of the first clamping plate (131) along the first direction is equal to the length of the workpiece (170).

4. The guide pin milling plane clamping fixture according to claim 2, characterized in that: The first mounting groove (130) is connected to the mounting hole (120); the size of the first mounting groove (130) in the second direction is equal to the size of the first clamping plate (131) in the second direction; the second direction is perpendicular to the first direction; and the first direction and the second direction are both perpendicular to the third direction.

5. The guide pin milling plane clamping fixture according to claim 4, characterized in that: The effective working surface (101) of the first clamping plate (131) abutting against the workpiece (170) is an arc surface; the size of the effective working surface (101) in the third direction is smaller than the diameter of the workpiece (170).

6. The guide pin milling plane clamping fixture according to claim 1 or 2, characterized in that: The clamping assembly includes a second clamping plate (141); and a second mounting groove (140) for accommodating the first clamping plate (131) is provided on the tooling body (100).

7. The guide pin milling plane clamping fixture according to claim 6, characterized in that: The total length of the effective working surface (101) of the second clamping plate (141) along the first direction is equal to the length of the workpiece (170).

8. The guide pin milling plane clamping fixture according to claim 6, characterized in that: The second mounting groove (140) is in communication with the mounting hole (120); the size of the second mounting groove (140) in the second direction is greater than the size of the second clamping plate (141) in the second direction; the second direction is perpendicular to the first direction; and both the first direction and the second direction are perpendicular to the third direction.

9. The guide pin milling plane clamping fixture according to claim 6, characterized in that: The movable component (160) is provided with an external thread; the tool body (100) is provided with a threaded hole (150) that matches the external thread; the threaded hole (150) is communicated with the second installation groove (140).

10. The guide pin milling plane clamping fixture according to claim 8, characterized in that: The effective working surface (101) of the second clamping plate (141) abutting against the workpiece (170) is an arc surface; and the size of the effective working surface (101) in the third direction is smaller than the diameter of the workpiece (170).

Images