A tool structure for processing a thread rolling die

Abstract

The utility model belongs to the field of thread rolling plate processing technology, especially a kind of frock structure for thread rolling plate processing, including the pedestal of being equipped with support column, two L-shaped clamping blocks being set symmetrically along horizontal direction, the driving part for driving two clamping blocks synchronous approach or away, and the first guide for the moving guide of clamping block;Each clamping block includes mutually perpendicular clamping part and alignment part, and the alignment part of two clamping blocks is located at the same side;Pedestal can be composed of bottom disc and annular side wall, installation cavity is formed in annular side wall for accommodating each component, the height sum of support column and the thread rolling plate to be processed is higher than the top surface of annular side wall;Through the cooperation of centering clamping structure and multidirectional positioning, the position accuracy of repeated clamping of thread rolling plate can be improved, the reference deviation is reduced, and the processing quality of thread rolling plate is beneficial to guarantee.

Description

Technical Field

[0001] This utility model belongs to the field of thread rolling plate processing technology, and in particular relates to a tooling structure for thread rolling plate processing. Background Technology

[0002] A thread rolling die is a mold for cold forming external threads of bolts. Through the relative reciprocating motion of two parallel templates, the metal blank is plastically deformed by room temperature extrusion to directly form high-precision threads.

[0003] Surface grinding is an indispensable and critical finishing process in the thread rolling die manufacturing process. It requires repeated grinding on both sides of the thread rolling die to remove the oxide scale and deformation after heat treatment, and to provide a high-precision reference surface for subsequent thread profile machining. However, the traditional thread rolling die grinding fixture has poor consistency when repeatedly clamping the two sides of the thread rolling die, which can easily cause the reference of the thread rolling die to shift, affecting the machining quality of the thread rolling die. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned technical problems by providing a tooling structure for thread rolling dies, thereby improving the accuracy of repeated clamping of the thread rolling die, preventing datum offset of the thread rolling die, and ensuring the quality of thread rolling die processing.

[0005] In view of this, the present invention provides a tooling structure for thread rolling dies, comprising: The base is equipped with supporting columns; Two clamping blocks are provided symmetrically along the horizontal direction, and each clamping block is L-shaped along the horizontal direction, and each includes a clamping part and an alignment part; A drive unit, mounted on the base, is used to allow the two clamping blocks to move closer or further apart synchronously in the horizontal direction; The first guide element, mounted on the base, is used to guide the movement of the two clamping blocks; The aligned portions of the two clamping blocks are located on the same side.

[0006] In the above technical solution, the driving component further includes: The linkage assembly includes a first link, a second link, a third link, and a fourth link, which are connected end to end to form a rhomboid structure. The first link and the second link form a first hinge point, the second link and the third link form a second hinge point, the third link and the fourth link form a third hinge point, and the fourth link and the first link form a fourth hinge point. An adjusting element, installed at the first hinge point, is used to actively drive the first hinge point to move; The second guide is installed at the second hinge point, the third hinge point, and the fourth hinge point, and is used for the passive movement of the second hinge point, the third hinge point, and the fourth hinge point when the first hinge point moves; The two clamping blocks are installed at the second hinge point and the third hinge point, respectively.

[0007] In the above technical solution, further: The adjusting component includes a first hinge seat and a screw rotatably connected to the first hinge seat, and the screw is threaded to the base in a horizontal direction; A lever is installed at the end of the screw that is away from the first hinge seat.

[0008] In the above technical solution, further: A nut is connected to the screw, and the nut is located on the outside of the base.

[0009] In the above technical solution, further: The second guide includes a second hinge seat and a slide rod connected to the second hinge seat; The base has a through hole that slides horizontally with the slide rod.

[0010] In the above technical solution, further: Both the first and second hinge seats have a U-shaped structure, and one end of the U-shaped structure opening is hinged to the connecting rod assembly.

[0011] In the above technical solution, further: Both the second hinge seat located at the second hinge point and the fourth hinge point are equipped with connecting plates that connect to the clamping blocks.

[0012] In the above technical solution, further: The first guide member includes a guide rod horizontally installed in the base, and the clamping block has a guide hole that is slidably connected to the guide rod.

[0013] The beneficial effects of this utility model are as follows: 1. The L-shaped clamping blocks are symmetrically arranged for centering and clamping. The alignment part and support column located on the same side of the two clamping blocks achieve multi-directional positioning. The position of the thread rolling plate is limited in both the horizontal and vertical directions, which helps to improve the positional consistency of repeated clamping of the thread rolling plate and reduce the risk of machining datum deviation.

[0014] 2. The synchronous centering movement of the two clamping blocks is achieved through a single-input driven transmission structure. Combined with the design of the threaded adjustment and locking mechanism, the clamping adjustment and locking operation process of the tooling can be simplified, and the ease of use of the tooling can be improved.

[0015] 3. By guiding and constraining the moving parts through the first and second guide members, and in conjunction with the U-shaped first and second hinge seats, the overall running stability and clamping reliability of the tooling can be improved, reducing the possibility of tooling loosening or displacement caused by vibration and other factors during processing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a utility model Figure 2 Sectional view at point AA; The markings in the diagram represent: 1. Base; 2. Support column; 3. Clamping block; 30. Clamping part; 31. Alignment part; 4. Driving component; 40. First connecting rod; 41. Second connecting rod; 42. Third connecting rod; 43. Fourth connecting rod; 44. Adjusting component; 440. First hinge seat; 441. Screw; 442. Support rod; 443. Nut; 45. Second guide component; 450. Second hinge seat; 451. Slide rod; 452. Through hole; 46. Connecting plate; 5. First guide component; 50. Guide rod; 51. Guide hole; 6. Thread rolling plate. Detailed Implementation

[0017] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0018] Example 1:

[0019] This embodiment provides a tooling structure for thread rolling die processing, including: Base 1, with supporting columns 2 installed; Two clamping blocks 3 are provided symmetrically along the horizontal direction, and each clamping block 3 is L-shaped along the horizontal direction, and each includes a clamping part 30 and an alignment part 31; The driving component 4 is mounted on the base 1 and is used for the two clamping blocks 3 to move closer or further apart synchronously in the horizontal direction; The first guide 5 is mounted on the base 1 and is used to guide the movement of the two clamping blocks 3. Among them, the alignment portions 31 of the two clamping blocks 3 are located on the same side; Meanwhile, the base 1 may include a chassis and an annular sidewall, and an installation cavity is formed inside the annular sidewall, and each component is installed in the installation cavity. However, it should be noted that the total height of the support column 2 and the thread rolling plate should be higher than the top surface of the annular sidewall. The chassis may be provided with a connection structure for connecting the base 1 and the workbench. The connection structure includes, but is not limited to, mounting holes, etc., which are conventional settings for those skilled in the art and will not be described in detail here.

[0020] As can be seen from this embodiment, by using the driving component 4 to drive the two clamping blocks 3 to center and clamp, and the alignment part 31 and the clamping part 30 are perpendicular to each other, forming an L-shape, that is, the alignment part 31 is perpendicular to the clamping and moving direction of the two clamping blocks 3, thereby ensuring the positional accuracy of the thread rolling plate in the horizontal direction. Furthermore, with the alignment part 31 on the same side of the two clamping blocks 3, it can be ensured that the length or width direction of the thread rolling plate is parallel to the moving direction of the two clamping blocks 3, further ensuring the positional accuracy in the horizontal direction. The setting of support column 2 can improve the positional accuracy of the thread rolling plate in the vertical direction. Therefore, combined with the positional limitation in the horizontal direction, it can effectively improve the accuracy of repeated clamping of the thread rolling plate, avoid the reference offset of the thread rolling plate, and ensure the processing quality of the thread rolling plate.

[0021] Example 2:

[0022] This embodiment provides a tooling structure for thread rolling, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the driving component 4 includes: The linkage assembly includes a first link 40, a second link 41, a third link 42, and a fourth link 43, which are connected end to end to form a rhomboid structure. The first link 40 and the second link 41 form a first hinge point, the second link 41 and the third link 42 form a second hinge point, the third link 42 and the fourth link 43 form a third hinge point, and the fourth link 43 and the first link 40 form a fourth hinge point. Adjustment element 44 is installed at the first hinge point and is used to actively drive the first hinge point to move; The second guide member 45 is installed at the second hinge point, the third hinge point and the fourth hinge point, and is used for the passive movement of the second hinge point, the third hinge point and the fourth hinge point when the first hinge point moves; Among them, the two clamping blocks 3 are installed at the second hinge point and the third hinge point respectively.

[0023] As can be seen from this embodiment, by using a linkage assembly, namely the first linkage 40, the second linkage 41, the third linkage 42 and the fourth linkage 43, and the hinge points between two adjacent linkages, and by driving the first hinge point to move through a single adjusting member 44, the other three hinge points are passively moved, so that the rhomboid structure is deformed and the two clamping blocks 3 are centered and clamped. In other words, only a single adjusting member 44 needs to be operated, and the single adjusting member 44 is simultaneously located in a direction perpendicular to the clamping and moving direction of the two clamping blocks 3, thereby making the adjusting member 44 closer to the feeding side, thus effectively improving the convenience of controlling the driving member 4; Furthermore, locking a single adjusting component 44 can lock the shape of the rhomboid structure, ensuring that the two clamping blocks 3 clamp the thread rolling plate, further improving the ease of operation.

[0024] Example 3:

[0025] This embodiment provides a tooling structure for thread rolling, which, in addition to the technical solutions of the above embodiments, also has the following technical features: The adjusting member 44 includes a first hinge seat 440 and a screw 441 rotatably connected to the first hinge seat 440, and the screw 441 is threadedly connected to the base 1 in the horizontal direction; Among them, the end of the screw 441 away from the first hinge seat 440 is equipped with a lever 442, that is, the end of the screw 441 away from the first hinge seat 440 is provided with an extension post, and a through hole is provided in the radial direction of the extension post. The lever 442 passes through the through hole, and spherical bodies are provided at both ends of the lever 442 to restrict the lever 442 from leaving the through hole. Meanwhile, the rotatable connection between the first hinge seat 440 and the screw 441 can be a bearing connection.

[0026] As can be seen from this embodiment, by using a screw 441 and a base 1 threaded connection, and by rotating the screw 441 and the first hinge seat 440, the first hinge seat 440 can be moved by rotating the screw 441, thereby causing the rhomboid structure to deform, thereby driving the two clamping blocks 3 to move synchronously and ensuring centering and clamping. The provision of the lever 442 improves the ease of driving the screw 441 to rotate. The extension post and the through hole on the extension post allow the lever 442 to slide relative to the extension post, making it easier to leverage force when driving the lever 442 to rotate radially around the extension post, further improving the ease of driving. The spherical bodies at both ends of the lever 442 prevent the lever 442 from dislodging from the through hole, thus preventing the lever 442 from being lost when it is installed on the extension post.

[0027] Example 4:

[0028] This embodiment provides a tooling structure for thread rolling, which, in addition to the technical solutions of the above embodiments, also has the following technical features: A nut 443 is connected to the screw 441, and the nut 443 is located outside the base 1.

[0029] As can be seen from this embodiment, by setting the nut 443 on the outside of the base 1, the screw 441 can be adjusted and locked in conjunction with the threaded connection between the screw 441 and the base 1, reducing the loosening of the threaded connection between the screw 441 and the base 1 due to factors such as vibration, thereby reducing the impact on the clamping force of the two clamping blocks 3, ensuring the clamping stability of the two clamping blocks 3 on the thread rolling plate, ensuring the safety of the thread rolling plate grinding, and the structure is simple and easy to operate.

[0030] Example 5:

[0031] This embodiment provides a tooling structure for thread rolling, which, in addition to the technical solutions of the above embodiments, also has the following technical features: The second guide member 45 includes a second hinge seat 450 and a slide rod 451 connected to the second hinge seat 450; The base 1 has a through hole 452 that is slidably connected to the slide rod 451 in the horizontal direction; The second hinge seat 450 and the slide rod 451 can be welded together.

[0032] As can be seen from this embodiment, by adopting the second hinge seat 450 for the second guide member 45, it is convenient to connect the slide rod 451 with the second hinge point. At the same time, the sliding connection between the slide rod 451 and the through hole 452 facilitates the smoothness of the passive movement of the second hinge point caused by the deformation of the rhomboid structure when the first hinge point is adjusted. Furthermore, the sliding connection between the slide rod 451 and the through hole 452 ensures that the second hinge point can only move along the axial direction of the slide rod 451, thereby restricting the movement direction of the second hinge point and ensuring the stability of the rhomboid structure deformation.

[0033] Example 6:

[0034] This embodiment provides a tooling structure for thread rolling, which, in addition to the technical solutions of the above embodiments, also has the following technical features: Both the first hinge seat 440 and the second hinge seat 450 have a U-shaped structure, and are hinged to the connecting rod assembly at one end of the opening of the U-shaped structure. The first hinge seat 440 and the second hinge seat 450 can be hinged to the connecting rod assembly using semi-threaded bolts and nuts.

[0035] As can be seen from this embodiment, by setting both the first hinge seat 440 and the second hinge seat 450 into U-shaped structures, and hinge connecting one end of the U-shaped structure opening to the connecting rod assembly, that is, placing two adjacent connecting rods inside the U-shaped structure opening for hinge connection, the structural stability and strength of the screw 441 after being connected to the first hinge point through the first hinge seat 440 and the slide rod 451 after being connected to the second hinge point through the second hinge seat 450 are effectively improved, thus ensuring the stability of the rhomboid structure deformation.

[0036] Example 7:

[0037] This embodiment provides a tooling structure for thread rolling, which, in addition to the technical solutions of the above embodiments, also has the following technical features: A connecting plate 46 is provided on the second hinge seat 450 located at the second hinge point and the fourth hinge point, and is connected to the clamping block 3; The connecting plate 46 can be welded to the second hinge seat 450 located at the second hinge point and the fourth hinge point, while the connecting plate 46 can be fastened to the clamping block 3 with bolts.

[0038] As can be seen from this embodiment, by setting the connecting plate 46, the connection strength between the second hinge seat 450 located at the second hinge point and the fourth hinge point and the clamping block 3 is improved, ensuring the stability of the movement and clamping of the two clamping blocks 3.

[0039] Example 8:

[0040] This embodiment provides a tooling structure for thread rolling, which, in addition to the technical solutions of the above embodiments, also has the following technical features: The first guide member 5 includes a guide rod 50 horizontally installed in the base 1, and a guide hole 51 slidably connected to the guide rod 50 is provided on the clamping block 3.

[0041] As can be seen from this embodiment, by opening the guide rod 50 and the guide hole 51 that is slidably connected to the clamping block 3, the stability of the clamping block 3 when moving can be further guaranteed, and the clamping block 3 can be restricted in the vertical direction to ensure the stability of the two clamping blocks 3 in clamping the thread rolling plate when grinding the thread rolling plate.

[0042] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A tooling structure for thread rolling die processing, characterized in that, include: The base (1) is equipped with a support column (2); Two clamping blocks (3) are provided symmetrically in the horizontal direction, and each clamping block (3) is L-shaped in the horizontal direction, and each includes a clamping part (30) and an alignment part (31). The driving component (4) is mounted on the base (1) for the two clamping blocks (3) to move closer or further apart in the horizontal direction simultaneously; The first guide (5) is mounted on the base (1) and is used to guide the movement of the two clamping blocks (3); The aligned portions (31) of the two clamping blocks (3) are located on the same side.

2. The tooling structure for thread rolling as described in claim 1, characterized in that, The driving component (4) includes: The linkage assembly includes a first link (40), a second link (41), a third link (42) and a fourth link (43), which are connected end to end to form a rhomboid structure. The first link (40) and the second link (41) form a first hinge point, the second link (41) and the third link (42) form a second hinge point, the third link (42) and the fourth link (43) form a third hinge point, and the fourth link (43) and the first link (40) form a fourth hinge point. An adjusting element (44) is installed at the first hinge point and is used to actively drive the first hinge point to move; The second guide (45) is installed at the second hinge point, the third hinge point and the fourth hinge point, and is used for the passive movement of the second hinge point, the third hinge point and the fourth hinge point when the first hinge point moves; The two clamping blocks (3) are respectively installed at the second hinge point and the third hinge point.

3. The tooling structure for thread rolling as described in claim 2, characterized in that: The adjusting member (44) includes a first hinge seat (440) and a screw (441) rotatably connected to the first hinge seat (440), and the screw (441) is threadedly connected to the base (1) in the horizontal direction; The screw (441) is equipped with a lever (442) at the end away from the first hinge seat (440).

4. The tooling structure for thread rolling as described in claim 3, characterized in that: A nut (443) is connected to the screw (441), and the nut (443) is located outside the base (1).

5. The tooling structure for thread rolling as described in claim 3, characterized in that: The second guide (45) includes a second hinge seat (450) and a slide rod (451) connected to the second hinge seat (450). The base (1) has a through hole (452) that is slidably connected to the slide rod (451) in the horizontal direction.

6. The tooling structure for thread rolling as described in claim 5, characterized in that: The first hinge seat (440) and the second hinge seat (450) are both U-shaped structures, and are hinged to the connecting rod assembly at one end of the opening of the U-shaped structure.

7. The tooling structure for thread rolling as described in claim 6, characterized in that: A connecting plate (46) is provided on the second hinge seat (450) located at the second hinge point and the fourth hinge point, and is connected to the clamping block (3).

8. The tooling structure for thread rolling as described in claim 1, characterized in that: The first guide member (5) includes a guide rod (50) horizontally installed in the base (1), and a guide hole (51) is provided on the clamping block (3) to be slidably connected to the guide rod (50).

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