Assembled thread rolling plate

Abstract

The utility model provides an assembled thread rolling plate, and belongs to the technical field of thread rolling plates. The thread rolling plate comprises a base and a thread rolling plate body rotationally arranged on the base, the section of the thread rolling plate body is square, a hollow cavity with an opening in the top is formed in the thread rolling plate body, and the section of the hollow cavity is also square. Screw plate mounting cavities with openings in the tops are formed in the four side walls of the screw plate main body in an inward concave manner. Four thread rolling plates with thread rolling surfaces with different sizes of threads are arranged on the thread rolling plate main body, and the thread rolling plate main body and the base are in running fit, so that the thread rolling surfaces can be rotated and switched according to requirements so as to process bolt products of different models, and bolts of four types of signals can be produced at most; the thread rolling plate is arranged in the thread plate mounting cavity in a sliding mode so that the thread rolling plate can be replaced after being damaged, and during formal work, the upper cover plate driven by the lifting assembly can conduct upper limiting on the thread rolling plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of thread rolling plates and relates to an assembled thread rolling plate. Background Art

[0002] The thread rolling plate is the most commonly used thread tool for processing taps, bolts and screws. The processing principle mainly adopts cold extrusion molding. It has the advantages of high production efficiency, low processing cost, high precision and strength of the processed threads, good surface quality, etc., and has been widely used; the thread rolling plate is used on the thread rolling machine, which is generally two square templates, one long and one short, with teeth on them, which are used to extrude the screw nails into threads; at present, the structure and function of the thread rolling plate in the prior art are relatively simple. For example, when producing bolts with different threads, the teeth cannot be adjusted, and the template can only be removed and replaced, which is time-consuming and labor-intensive.

[0003] For example, a Chinese patent discloses a thread rolling plate [application number: 201921187112.7], which includes a thread rolling plate body, wherein the thread rolling plate body includes a fixed plate and a processing plate, wherein a thread rolling surface is provided on the side of the processing plate facing away from the fixed plate, wherein the thread rolling surface is provided with a plurality of thread rolling strips, and the processing plate is connected to the fixed plate through a fixing member. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled thread rolling plate in view of the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An assembled thread rolling plate comprises a base and a thread rolling plate body rotatably arranged on the base, the thread rolling plate body having a square cross-section and a hollow cavity with an opening at the top arranged inside the thread rolling plate body, the hollow cavity also having a square cross-section, four side walls of the thread rolling plate body being recessed inwardly and having a thread plate mounting cavity with an opening at the top, thread rolling plates being slidably arranged in the four thread plate mounting cavities and having thread rolling surfaces of different sizes of threads on the four thread rolling plates, and an upper cover plate driven by a lifting assembly being arranged directly above the thread rolling plate body.

[0007] In the above-mentioned assembled thread rolling plate, the lifting assembly includes four lifting drivers distributed in a rectangular shape in the hollow cavity, and the output shaft ends of the lifting drivers are connected to the upper cover plate.

[0008] In the above-mentioned assembled thread rolling plate, a plurality of positioning rods are fixedly connected to the bottom of the upper cover plate, and a plurality of positioning grooves corresponding to the positioning rods are arranged on the top of the thread rolling plate body.

[0009] In the above-mentioned assembled thread rolling die plate, limiting grooves which are recessed inward are further arranged on both sides of the die plate installation cavity, and limiting blocks which protrude from both sides of the thread rolling die plate and are inserted into the limiting grooves are provided.

[0010] In the above-mentioned assembled thread rolling die plate, four tightening assemblies corresponding to the thread rolling die plate are further arranged on the thread rolling die plate body.

[0011] In the above-mentioned assembled thread rolling die plate, the tightening assembly includes a top plate installation cavity which is recessed inward on the inner side wall of the die plate installation cavity, a top plate is arranged in the top plate installation cavity, a horizontally arranged tightening driver is further arranged in the hollow cavity, and the end part of the output shaft of the tightening driver is connected with the top plate.

[0012] In the above-mentioned assembled thread rolling die plate, a rotating groove with a circular cross-section is recessed inward on the base, a rotating part which protrudes from the bottom of the thread rolling die plate body and is inserted into the rotating groove is provided, and a positioning structure is further arranged on the base.

[0013] In the above-mentioned assembled thread rolling die plate, the rotating part is rotationally connected with the base through a rotating shaft.

[0014] In the above-mentioned assembled thread rolling die plate, the positioning structure includes a positioning bolt screwed on the base, and the inner end of the positioning bolt can be inserted into a positioning hole on the side of the rotating part.

[0015] Compared with the existing technology, the advantages of the present utility model are as follows:

[0016] 1. Four thread rolling die plates with thread rolling surfaces having different sizes of thread teeth are arranged on the thread rolling die plate body, and the thread rolling die plate body and the base are rotationally matched, so that the thread rolling surface can be rotated and switched according to requirements to process bolt products of different models, and at most four signals of bolts can be produced. The thread rolling die plate is slidably arranged in the die plate installation cavity, so that the thread rolling die plate can be replaced after being damaged. During formal work, the upper cover plate driven by the lifting assembly can limit the upper position of the thread rolling die plate.

[0017] 2. The synchronous action of the four lifting drivers can drive the upper cover plate to lift in the vertical direction. After the upper cover plate moves upward, the thread rolling die plate can be replaced, and after the upper cover plate is closed, the upper position of the thread rolling die plate can be limited.

[0018] Other advantages, objectives and features of the present utility model will be partly reflected by the following description, and partly will be understood by those skilled in the art through the research and practice of the present utility model. Description of the Drawings

[0019] Figure 1 It is a top view of the thread rolling die plate body;

[0020] Figure 2It is a cross-sectional view of the present utility model.

[0021] In the figure, there are base 1, thread rolling plate main body 2, hollow cavity 3, thread plate installation cavity 4, thread rolling plate 5, thread rolling surface 6, upper cover plate 7, lifting driver 8, positioning groove 9, top plate installation cavity 10, top plate 11, pressing driver 12, rotating groove 13, rotating part 14, rotating shaft 15, positioning bolt 16, positioning hole 17, limiting groove 18, and limiting block 19. Specific embodiments

[0022] As Figure 1 and Figure 2 shown, an assembled thread rolling plate includes a base 1 and a thread rolling plate main body 2 rotatably arranged on the base 1. The cross-section of the thread rolling plate main body 2 is square, and a hollow cavity 3 with an open top is arranged inside the thread rolling plate main body 2. The cross-section of the hollow cavity 3 is also square. Thread plate installation cavities 4 with openings at the top are recessed inwardly on the four side walls of the thread rolling plate main body 2. Thread rolling plates 5 are slidably arranged in the four thread plate installation cavities 4, and the thread rolling surfaces 6 with different-sized thread teeth are provided on the four thread rolling plates 5. An upper cover plate 7 driven by a lifting assembly is arranged directly above the thread rolling plate main body 2.

[0023] In the present utility model, four thread rolling plates with thread rolling surfaces having different-sized thread teeth are arranged on the thread rolling plate main body. The thread rolling plate main body and the base 1 are rotationally matched, and the thread rolling surface can be rotated and switched according to requirements to process bolt products of different models. At most, four types of bolts can be produced. The thread rolling plate 5 is slidably arranged in the thread plate installation cavity, so that the thread rolling plate can be replaced after being damaged. During formal work, the upper cover plate driven by the lifting assembly can perform upper limit positioning on the thread rolling plate.

[0024] Specifically, the lifting assembly includes four lifting drivers 8 distributed in a rectangular shape in the hollow cavity 3. The end of the output shaft of the lifting driver 8 is connected to the upper cover plate 7. The synchronous action of the four lifting drivers can drive the upper cover plate to move up and down in the vertical direction. After the upper cover plate moves upward, the thread rolling plate can be replaced. After the upper cover plate is closed, it can perform upper limit positioning on the thread rolling plate.

[0025] Those skilled in the art should understand that the lifting driver can be an oil cylinder, a cylinder, a linear motor, etc.

[0026] Specifically, several positioning rods are fixedly connected to the bottom of the upper cover plate 7, and several positioning grooves 9 corresponding to the positioning rods are arranged at the top of the thread rolling plate main body 2. The cooperation of the positioning rods and the positioning grooves can facilitate positioning.

[0027] Specifically, limiting grooves 18 are further recessed inwardly on both sides of the thread plate installation cavity 4, and limiting blocks 19 protruding from both sides of the thread rolling plate 5 are inserted into the limiting grooves 18.

[0028] The limiting block 19 and the limiting groove cooperate to limit the thread rolling plate.

[0029] Preferably, four tightening components corresponding to the thread rolling plate 5 are further provided on the thread rolling plate main body 2. The setting of the tightening components can prevent the thread rolling plate from loosening during operation.

[0030] Specifically, the tightening component includes a top plate mounting cavity 10 recessed inwardly on the inner side wall of the thread plate mounting cavity 4. A top plate 11 is arranged in the top plate mounting cavity 10. A horizontally arranged tightening driver 12 is further provided in the hollow cavity 3. The end of the output shaft of the tightening driver 12 is connected to the top plate 11. After the tightening driver 12 drives the top plate 11 to translate into the top plate mounting cavity 10, it is convenient to insert the thread rolling plate into the thread plate mounting cavity. After the installation of the thread rolling plate is completed, the tightening driver drives the top plate to translate to tighten the thread rolling plate.

[0031] Those skilled in the art should understand that the tightening driver can be an oil cylinder, a cylinder or a linear motor, etc.

[0032] Specifically, a rotation groove 13 with a circular cross-section is recessed inwardly on the base 1. A rotation part 14 protruding from the bottom of the thread rolling plate main body 2 is inserted into the rotation groove 13. A positioning structure is further provided on the base 1. The rotation part 14 is rotatably connected to the base 1 through a rotating shaft 15. The rotation part and the rotation groove can enable the thread rolling plate main body to rotate along the rotating shaft to switch the thread rolling plate. During operation, the thread rolling plate main body can be fixed by the positioning structure to prevent loosening.

[0033] Specifically, the positioning structure includes a positioning bolt 16 screwed on the base 1. The inner end of the positioning bolt 16 can be inserted into a positioning hole 17 on the side of the rotation part 14 to position the thread rolling plate main body.

[0034] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0035] Although terms such as base 1, thread rolling plate main body 2, hollow cavity 3, thread plate mounting cavity 4, thread rolling plate 5, thread rolling surface 6, upper cover plate 7, lifting driver 8, positioning groove 9, top plate mounting cavity 10, top plate 11, tightening driver 12, rotation groove 13, rotation part 14, rotating shaft 15, positioning bolt 16, positioning hole 17, limiting groove 18, limiting block 19, etc. are used more in this article, the use of these terms is only for more convenient description and explanation of the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. An assembled thread rolling die plate, comprising a base (1) and a thread rolling die plate body (2) rotatably arranged on the base (1), characterized in that, The cross-section of the thread rolling plate body (2) is square, and a hollow cavity (3) with an open top is arranged inside the thread rolling plate body (2). The cross-section of the hollow cavity (3) is also square. Thread plate mounting cavities (4) with openings at the top are recessed inwardly on the four side walls of the thread rolling plate body (2). Thread rolling plates (5) are slidably arranged in the four thread plate mounting cavities (4), and the thread rolling surfaces (6) with different sizes of thread teeth are provided on the four thread rolling plates (5). A top cover plate (7) driven by a lifting assembly is arranged directly above the thread rolling plate body (2).

2. The assembled thread rolling die according to claim 1, wherein The lifting assembly includes four lifting drivers (8) distributed in a rectangular shape inside the hollow cavity (3). The end of the output shaft of the lifting driver (8) is connected to the top cover plate (7).

3. The assembled thread rolling die according to claim 2, wherein, A number of positioning rods are fixedly connected to the bottom of the top cover plate (7), and a number of positioning grooves (9) corresponding to the positioning rods are arranged on the top of the thread rolling plate body (2).

4. The assembled thread rolling die according to any one of claims 1-3, characterized in that, Limiting grooves (18) are further recessed inwardly on both sides of the thread plate mounting cavity (4). Limiting blocks (19) protruding from both sides of the thread rolling plate (5) are inserted into the limiting grooves (18).

5. The assembled thread rolling die according to claim 4, characterized in that, Four tightening assemblies corresponding to the thread rolling plates (5) are further arranged on the thread rolling plate body (2).

6. The assembled thread rolling die according to claim 5, wherein, The tightening assembly includes a top plate mounting cavity (10) recessed inwardly on the inner side wall of the thread plate mounting cavity (4). A top plate (11) is arranged inside the top plate mounting cavity (10). A horizontally arranged tightening driver (12) is further arranged inside the hollow cavity (3). The end of the output shaft of the tightening driver (12) is connected to the top plate (11).

7. The assembled thread rolling die according to any one of claims 1-3, characterized in that, A rotation groove (13) with a circular cross-section is recessed inwardly on the base (1). A rotation part (14) protruding from the bottom of the thread rolling plate body (2) is inserted into the rotation groove (13), and a positioning structure is further arranged on the base (1).

8. The assembled thread rolling die according to claim 7, wherein, The rotation part (14) is rotatably connected to the base (1) through a rotating shaft (15).

9. The assembled thread rolling die according to claim 7, wherein, The positioning structure includes a positioning bolt (16) screwed onto the base (1). The inner end of the positioning bolt (16) can be inserted into a positioning hole (17) on the side of the rotation part (14).

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