Clamping tool for precision part machining

Abstract

The utility model relates to the technical field of clamping tools, in particular to a clamping tool for machining precision parts, which comprises a support plate, and positioning holes are uniformly arranged above the support plate. And the positioning assembly comprises a positioning ring, the inner wall of the positioning ring is fixedly connected with a guide cylinder, the guide cylinder is inserted into the positioning hole, the upper portion of the positioning ring is fixedly connected with a bottom plate, one end of the bottom plate is connected with a supporting frame, and the other end of the bottom plate is connected with a guide frame. According to the clamping tool, the limiting clamping blocks are circumferentially distributed and matched with angle rotation of the positioning ring, so that when the clamping tool is installed and positioned, the angle can be flexibly adjusted, the adaptability of the extrusion face of the clamping tool is greatly improved, and the clamping diversity and adaptability of the clamping tool are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping tooling, in particular to a clamping tooling for precision parts processing. Background Art

[0002] Precision parts are high-precision, high-demand mechanical parts that are often used in equipment that requires high precision and high quality. In the processing steps of some parts, the parts need to be clamped and positioned, and then the surfaces of many parts need to be manually processed.

[0003] However, the existing precision parts clamping tooling usually adopts a quick clamp in conjunction with a workbench to achieve auxiliary positioning of the parts when clamping and positioning the parts. However, when performing the auxiliary positioning of the quick clamp, the installation has certain limitations, and the positioning angle cannot be flexibly adjusted, which makes its installation and positioning have certain limitations. It can only achieve extrusion positioning in a horizontal or vertical state, and its adaptability is low. Utility Model Content

[0004] The purpose of the utility model is to provide a clamping tool for precision parts processing, so as to solve the problem proposed in the above background technology that when performing auxiliary positioning of quick clamps, the installation has certain limitations and the positioning angle cannot be flexibly adjusted, thus making the installation and positioning have certain limitations.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping tool for precision parts processing, comprising:

[0006] A support plate, wherein positioning holes are evenly formed on the top of the support plate;

[0007] A positioning assembly, the positioning assembly includes a positioning ring, the inner wall of the positioning ring is fixedly connected to a guide cylinder, and the guide cylinder is inserted into the interior of the positioning hole, the top of the positioning ring is fixedly connected to a base plate, one end of the base plate is connected to a support frame, the other end of the base plate is connected to a guide frame, and the interior of the guide frame is hinged with a driving rod, the exterior of the driving rod is hinged with a hinged rod, the other end of the hinged rod is hinged with a guide tube, and the internal thread of the guide tube is connected to a threaded rod.

[0008] Preferably, a support leg is fixedly connected to the lower surface of the support plate, a clamping hole is provided on the upper surface of the support plate, and a limiting clamping block is fixedly connected to the upper surface of the clamping hole.

[0009] Preferably, the diameter of the engaging hole is larger than the diameter of the positioning hole, the depth of the engaging hole is one-fourth of the depth of the positioning hole, the limiting block is evenly distributed on the upper surface of the engaging hole, the inner diameter of the limiting block is equal to the inner diameter of the positioning hole, and the outer diameter of the limiting block is smaller than the diameter of the engaging hole.

[0010] Preferably, the depth of the positioning ring is equal to the depth of the engagement hole, the inner wall of the positioning ring is provided with a limiting protrusion, and the limiting protrusion is adapted to the fan-shaped space between adjacent limiting blocks, and the lower surface of the guide cylinder is attached to the upper surface of the support plate.

[0011] Preferably, a through hole is opened in the center of the guide cylinder, and bolts penetrate the through hole, the center of the guide cylinder and the center of the positioning hole, the external thread of the bolt is connected with a second nut, and the second nut is located at the bottom of the support plate.

[0012] Preferably, the top of the guide frame is in a U-shaped structure, and the inner wall of the U-shaped structure is rotatably connected to a driving rod, the outer side of the bending part of the driving rod is rotatably connected to a hinged rod, and the guide tube is slidably connected to the inside of the support frame.

[0013] Preferably, the guide tube has an internal thread adapted to the hinged rod, the external thread of the threaded rod is connected to a first nut, and the first nut abuts against the end of the guide tube away from the hinged rod, and the end of the threaded rod away from the guide tube is provided with an anti-slip rubber pad.

[0014] Compared with the prior art, the beneficial effect of the utility model is that the utility model, through the circumferential distribution setting of the limit blocks and the angular rotation of the positioning ring, can make the angle of the clamping tool flexibly adjusted during installation and positioning, thereby greatly improving the adaptability of its extrusion surface and further improving the diversity and adaptability of the clamping tool.

[0015] (1) The utility model makes it possible to flexibly adjust the extrusion angle of the positioning assembly through the rotatable adjustment of the positioning assembly, thereby greatly improving the adaptability of the clamping tool. At the same time, through the snap-fit ​​positioning setting, the positioning is made more stable, effectively avoiding the risk of tilting and rotating under pressure, and ensuring the stability of the positioning.

[0016] (2) The utility model adopts the arrangement of a combined positioning structure, so that the position of the positioning component can be flexibly adjusted. Combined with the adjustability of the angle, it can effectively improve the adaptability of the clamping shape of the clamping tool, meet the multi-faceted and multi-angle extrusion positioning in a horizontal state, and further improve the adaptability of the tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model from a top view;

[0018] Figure 2 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0019] Figure 3It is a partial cross-sectional structural schematic diagram of the utility model;

[0020] Figure 4 For the utility model Figure 3 A is a schematic diagram of the enlarged structure of the middle part;

[0021] Figure 5 It is a schematic diagram of the exploded structure of the positioning component of the utility model.

[0022] In the figure: 1. support plate; 11. positioning hole; 12. support foot; 13. engaging hole; 14. limit block; 2. positioning assembly; 21. positioning ring; 22. guide cylinder; 23. bottom plate; 24. support frame; 25. guide frame; 26. driving rod; 27. hinged rod; 28. guide tube; 29. ​​threaded rod; 30. first nut; 31. bolt; 32. second nut. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5 The utility model provides an embodiment: a clamping tool for precision parts processing, including: the guide frame 25, the driving rod 26 and the hinge rod 27 used in the present application are all products that can be directly purchased on the market, and their principles and connection methods are all existing technologies well known to those skilled in the art, so they will not be repeated here.

[0025] A support plate 1, with positioning holes 11 evenly formed on the top of the support plate 1;

[0026] The positioning assembly 2 includes a positioning ring 21, the inner wall of the positioning ring 21 is fixedly connected with a guide cylinder 22, and the guide cylinder 22 is inserted into the interior of the positioning hole 11, and the top of the positioning ring 21 is fixedly connected with a base plate 23, one end of the base plate 23 is connected with a support frame 24, and the other end of the base plate 23 is connected with a guide frame 25, and the inside of the guide frame 25 is hinged with a driving rod 26, the outside of the driving rod 26 is hinged with a hinged rod 27, and the other end of the hinged rod 27 is hinged with a guide tube 28, and the internal thread of the guide tube 28 is connected with a threaded rod 29. By adjusting the angle of the driving rod 26, the guide tube 28 can be driven to slide forward and backward through the hinged rotation of the hinged rod 27, and then the extrusion positioning of the parts is realized through the end of the threaded rod 29. At the same time, through the thread adjustment of the guide tube 28 and the threaded rod 29, the length adjustment can be realized, so that the extrusion positioning spacing can be flexibly adjusted according to the positioning position, which greatly improves the flexibility of its installation and positioning.

[0027] Furthermore, a support leg 12 is fixedly connected to the lower surface of the support plate 1 , a clamping hole 13 is opened on the upper surface of the support plate 1 , and a limiting clamping block 14 is fixedly connected to the upper surface of the clamping hole 13 .

[0028] Furthermore, the diameter of the engaging hole 13 is larger than the diameter of the positioning hole 11, and the depth of the engaging hole 13 is one-fourth of the depth of the positioning hole 11. The limiting blocks 14 are evenly distributed on the upper surface of the engaging hole 13, the inner diameter of the limiting blocks 14 is equal to the inner diameter of the positioning hole 11, and the outer diameter of the limiting blocks 14 is smaller than the diameter of the engaging hole 13, the depth of the positioning ring 21 is equal to the depth of the engaging hole 13, and the inner wall of the positioning ring 21 is provided with a limiting protrusion, and the limiting protrusion is adapted to the fan-shaped space between adjacent limiting blocks 14, and the lower surface of the guide cylinder 22 is attached to the upper surface of the support plate 1, and the limiting engagement of the limiting blocks 14 and the positioning ring 21 can make the positioning ring 21 engage with the inside of the engaging hole 13, and the auxiliary limiting of the limiting blocks 14 can ensure the stability of the engagement of the positioning ring 21, and the installation positioning at different angles can be achieved through the engagement positioning at different positions, thereby achieving the extrusion positioning of surfaces at different angles.

[0029] Furthermore, a through hole is opened in the center of the guide cylinder 22, and a bolt 31 penetrates the through hole, the center of the guide cylinder 22 and the center of the positioning hole 11, and the external thread of the bolt 31 is connected to the second nut 32, and the second nut 32 is located at the bottom of the support plate 1. Through the through connection between the bolt 31 and the second nut 32, the extrusion positioning of the positioning ring 21 and the base plate 23 and other components is completed, thereby improving the stability of its installation.

[0030] Furthermore, the top of the guide frame 25 is in a U-shaped structure, and the inner wall of the U-shaped structure is rotatably connected to the drive rod 26, and the external rotatable connection of the bend of the drive rod 26 is connected to the hinge rod 27, and the guide tube 28 is slidably connected to the inside of the support frame 24. The inside of the guide tube 28 is provided with an internal thread adapted to the hinge rod 27, and the external thread of the threaded rod 29 is connected to the first nut 30, and the first nut 30 abuts against the end of the guide tube 28 away from the hinge rod 27, and the end of the threaded rod 29 away from the guide tube 28 is provided with an anti-skid rubber pad. By setting the anti-skid rubber pad, the stability of the extrusion of components can be improved, and the extrusion wear on the surface can be reduced.

[0031] Working principle: When the utility model is in use, the position of the positioning component 2 is first installed and positioned, the positioning ring 21 is engaged with the inside of a suitable engaging hole 13, and after it is installed to a suitable angle, the bolt 31 is penetrated and the second nut 32 is cooperated to complete the locking positioning, and the driving rod 26 is further hinged and rotated, so that the rotation of the hinged rod 27 drives the guide tube 28 to slide, and the extrusion positioning of the side of the component is further completed through the threaded rod 29.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A clamping tool for precision parts processing, characterized in that: include: A support plate (1), wherein positioning holes (11) are evenly arranged on the top of the support plate (1); A positioning assembly (2), the positioning assembly (2) comprising a positioning ring (21), the inner wall of the positioning ring (21) being fixedly connected to a guide cylinder (22), and the guide cylinder (22) being inserted into the interior of the positioning hole (11), the upper part of the positioning ring (21) being fixedly connected to a base plate (23), one end of the base plate (23) being connected to a support frame (24), the other end of the base plate (23) being connected to a guide frame (25), and the interior of the guide frame (25) being hinged to a driving rod (26), the exterior of the driving rod (26) being hinged to a hinged rod (27), the other end of the hinged rod (27) being hinged to a guide tube (28), and the interior of the guide tube (28) being threadedly connected to a threaded rod (29).

2. The clamping tool for precision parts processing according to claim 1 is characterized in that: The lower surface of the support plate (1) is fixedly connected to a support leg (12), the upper surface of the support plate (1) is provided with a snap-fit ​​hole (13), and the upper surface of the snap-fit ​​hole (13) is fixedly connected to a limit block (14).

3. The clamping tool for precision parts processing according to claim 2 is characterized in that: The diameter of the engaging hole (13) is greater than the diameter of the positioning hole (11), the depth of the engaging hole (13) is one quarter of the depth of the positioning hole (11), the limiting block (14) is evenly distributed on the upper surface of the engaging hole (13), the inner diameter of the limiting block (14) is equal to the inner diameter of the positioning hole (11), and the outer diameter of the limiting block (14) is smaller than the diameter of the engaging hole (13).

4. The clamping tool for precision parts processing according to claim 1 is characterized in that: The depth of the positioning ring (21) is equal to the depth of the engaging hole (13), the inner wall of the positioning ring (21) is provided with a limiting protrusion, and the limiting protrusion is adapted to the fan-shaped space between adjacent limiting blocks (14), and the lower surface of the guide cylinder (22) is attached to the upper surface of the support plate (1).

5. The clamping tool for precision parts processing according to claim 1 is characterized in that: A through hole is provided at the center of the guide cylinder (22), and a bolt (31) passes through the through hole, the center of the guide cylinder (22) and the center of the positioning hole (11). The outer thread of the bolt (31) is connected to a second nut (32), and the second nut (32) is located at the bottom of the support plate (1).

6. The clamping tool for precision parts processing according to claim 1 is characterized in that: The top of the guide frame (25) is in a U-shaped structure, and the inner wall of the U-shaped structure is rotatably connected to a driving rod (26), the outer part of the bending part of the driving rod (26) is rotatably connected to a hinge rod (27), and the guide tube (28) is slidably connected to the inside of the support frame (24).

7. The clamping tool for precision parts processing according to claim 5, characterized in that: The guide tube (28) is provided with an internal thread adapted to the hinge rod (27); the external thread of the threaded rod (29) is connected with a first nut (30), and the first nut (30) abuts against an end of the guide tube (28) away from the hinge rod (27); and an anti-slip rubber pad is provided at an end of the threaded rod (29) away from the guide tube (28).

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