Multi-surface alternating thread rolling mechanism

Abstract

The utility model provides a multi-face alternating type thread rolling mechanism, and belongs to the technical field of thread rolling plates. The tooth plate comprises a bottom plate, a static tooth plate module and a movable tooth plate module are rotationally arranged on the bottom plate, and the movable tooth plate module is arranged on the periphery of the static tooth plate module. The two movable tooth plates on the movable tooth plate mounting plate can be matched with two of the four fixed tooth plates for thread rolling work at a time, thread rolling of two bolts can be achieved at a time, the thread rolling efficiency is high, and after thread rolling is completed for a period of time, the thread rolling efficiency is high. The fixed tooth plate mounting plate is driven by the rotary switching assembly to rotate by 180 degrees, so that the other two fixed tooth plates can be matched with the movable tooth plate for thread rolling, cooling time is provided for threads of the fixed tooth plates, and the service life of the threads of the fixed tooth plates is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of thread rolling dies, and relates to a multi-sided alternating thread rolling mechanism. Background Art

[0002] A thread rolling die is a tool for rolling threads on a thread rolling machine by using the method of metal plastic deformation, and is suitable for processing ordinary bolts and high-strength bolts. The traditional thread rolling machine can only thread one bolt at a time, with low efficiency.

[0003] As disclosed in a Chinese patent for a micro thread rolling die [Application No.: 202321109497.1], it includes a thread rolling strip integrally formed on one side of the thread rolling die body, the thread rolling die body, and a fixing plate. The thread rolling die body is arranged on one side of the fixing plate. Two groups of clamping strips are provided on the side of the fixing plate close to the thread rolling die body. Two groups of clamping grooves are correspondingly provided on the side of the thread rolling die body close to the fixing plate. The clamping strips are clamped in the clamping grooves. A number of groups of positioning holes are equidistantly provided on the thread rolling die body inside the clamping grooves. A number of groups of positioning protrusions are correspondingly fixed on the inside of the clamping strips. The positioning protrusions are correspondingly inserted into the positioning holes. A jack is provided on the thread rolling die body inside the clamping grooves. A push block is movably connected to the fixing plate on the inside of the clamping strip. One end of the push block extending outside the fixing plate is inserted into the jack. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a multi-sided alternating thread rolling mechanism for the above problems.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A multi-sided alternating thread rolling mechanism includes a bottom plate. A static die plate module and a moving die plate module are rotatably arranged on the bottom plate. The moving die plate module is arranged on the periphery of the static die plate module.

[0007] The static die plate module includes a static die plate mounting plate with a circular cross-section. A rotation switching component connected to the static die plate mounting plate is provided on the bottom plate. Four static die plates distributed in an annular array are vertically arranged on the static die plate mounting plate. A static thread rolling surface with an arc-shaped cross-section and arranged on the outer side wall of the static die plate is provided on the static die plate.

[0008] The moving die plate module includes a moving die plate mounting plate with an annular cross-section. The moving die plate mounting plate and the static die plate mounting plate are concentrically arranged, and the static die plate mounting plate is arranged in the middle of the moving die plate mounting plate. Two moving die plates corresponding to the static die plates are symmetrically arranged on the moving die plate mounting plate. The moving die plates are fixedly arranged on the moving die plate mounting plate. A moving thread rolling surface with an arc-shaped cross-section and facing inward is provided on the moving die plates.

[0009] The described base plate is also provided with a rotating assembly connected to the moving die plate mounting plate.

[0010] In the above multi-sided alternating wire rolling mechanism, the rotating switching assembly includes a circumferential drive fixed to the bottom of the base plate, and the output shaft of the circumferential drive penetrates the base plate and is connected to the static die plate mounting plate.

[0011] In the above multi-sided alternating wire rolling mechanism, the rotating assembly includes a driving gear driven by a rotating drive, and an annular tooth portion meshing with the driving gear is provided on the outer circumferential surface of the moving die plate mounting plate.

[0012] In the above multi-sided alternating wire rolling mechanism, the moving die plate mounting plate is rotationally matched with the base plate through an annular limiting structure.

[0013] In the above multi-sided alternating wire rolling mechanism, the annular limiting structure includes an annular limiting groove recessed inwardly in the base plate and an annular limiting block protruding from the bottom of the moving die plate mounting plate, and the annular limiting block is inserted into the annular limiting groove.

[0014] In the above multi-sided alternating wire rolling mechanism, the cross-sections of the annular limiting block and the annular limiting groove are in a T shape.

[0015] In the above multi-sided alternating wire rolling mechanism, the moving die plate mounting plate is also provided with a translation assembly capable of driving the moving die plate to move towards or away from the static die plate.

[0016] In the above multi-sided alternating wire rolling mechanism, the translation assembly includes a translation drive horizontally fixed to the moving die plate mounting plate through a drive mounting plate, and the end of the output shaft of the translation drive is connected to the moving die plate.

[0017] In the above multi-sided alternating wire rolling mechanism, a first connecting seat is fixedly connected to the outer side wall of the moving die plate, a second connecting seat is fixedly connected to the end of the output shaft of the translation drive, and the first connecting seat and the second connecting seat are detachably connected by a plurality of bolts.

[0018] In the above multi-sided alternating wire rolling mechanism, both the static wire rolling surface and the moving wire rolling surface are formed by combining a plurality of wire teeth with an arc-shaped cross-section.

[0019] Compared with the existing technology, the advantages of the present utility model are as follows:

[0020] 1. Two moving die plates on the moving die plate mounting plate can cooperate with two of the four stationary die plates for thread rolling work at a time, enabling the thread rolling of two bolts at once, with high thread rolling efficiency. After thread rolling for a certain period of time, the stationary die plate mounting plate can be rotated 180° by the rotation switching component to make the other two stationary die plates cooperate with the moving die plate for thread rolling, providing cooling time for the thread teeth of the stationary die plates to improve the service life of the thread teeth of the stationary die plates.

[0021] 2. The circumferential driver can drive the stationary die plate mounting plate to rotate circumferentially to switch the stationary die plates cooperating with the moving die plate.

[0022] Other advantages, objectives and features of the present utility model will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the present utility model. Description of the Drawings

[0023] Figure 1 is the overall structural schematic diagram of the present utility model;

[0024] Figure 2 is Figure 1 the cross-sectional view at A-A in

[0025] In the figure, base plate 1, stationary die plate module 2, moving die plate module 3, stationary die plate mounting plate 4, stationary die plate 5, static thread rolling surface 6, moving die plate mounting plate 7, moving die plate 8, moving thread rolling surface 9, circumferential driver 10, rotation driver 11, driving gear 12, annular limiting groove 13, annular limiting block 14, translation driver 15, first connecting seat 16, second connecting seat 17. Detailed Embodiment

[0026] As Figure 1 and Figure 2As shown in the figure, a multi-faceted alternating wire rolling mechanism includes a bottom plate 1. A static die plate module 2 and a moving die plate module 3 are rotatably arranged on the bottom plate 1, and the moving die plate module 3 is arranged on the periphery of the static die plate module 2. The static die plate module 2 includes a static die plate mounting plate 4 with a circular cross-section. A rotary switching component connected to the static die plate mounting plate 4 is provided on the bottom plate 1. Four static die plates 5 distributed in a circular array are vertically arranged on the static die plate mounting plate 4. A static wire rolling surface 6 with an arc-shaped cross-section and arranged on the outer side wall of the static die plate 5 is provided on the static die plate 5. The moving die plate module 3 includes a moving die plate mounting plate 7 with an annular cross-section. The moving die plate mounting plate 7 and the static die plate mounting plate 4 are concentrically arranged, and the static die plate mounting plate 4 is arranged in the middle of the moving die plate mounting plate 7. Two moving die plates 8 corresponding to the static die plates 5 are symmetrically arranged on the moving die plate mounting plate 7. The moving die plates 8 are fixedly arranged on the moving die plate mounting plate 7. A moving wire rolling surface 9 with an arc-shaped cross-section and facing inwards is provided on the moving die plates 8. A rotary component connected to the moving die plate mounting plate 7 is also provided on the bottom plate 1.

[0027] In the present utility model, the two moving die plates on the moving die plate mounting plate 7 can cooperate with two of the four static die plates 5 for wire rolling work at a time, and can realize wire rolling of two bolts at a time, with high wire rolling efficiency. After wire rolling for a certain period of time, the static die plate mounting plate can be driven to rotate 180° by the rotary switching component, so that the other two static die plates can cooperate with the moving die plates for wire rolling, providing a cooling time for the thread teeth of the static die plates to improve the service life of the thread teeth of the static die plates.

[0028] Specifically, the rotary switching component includes a circumferential driver 10 fixed to the bottom of the bottom plate 1. The output shaft of the circumferential driver 10 penetrates the bottom plate 1 and is connected to the static die plate mounting plate 4. The circumferential driver can drive the static die plate mounting plate to rotate circumferentially so as to switch the static die plates cooperating with the moving die plates.

[0029] Those skilled in the art should understand that the circumferential driver can be a rotary oil cylinder or a motor, etc.

[0030] Specifically, the rotary component includes a driving gear 12 driven by a rotary driver 11. An annular tooth part meshing with the driving gear 12 is provided on the outer circumferential surface of the moving die plate mounting plate 7. The rotary driver can drive the driving gear to rotate, and the rotation of the driving gear can drive the static die plate mounting plate to rotate through the annular tooth part, so as to realize the rotary wire rolling of the moving die plates and the static die plates.

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

[0032] Preferably, the moving die plate mounting plate 7 is rotationally engaged with the bottom plate 1 through an annular limiting structure. The annular limiting structure includes an annular limiting groove 13 recessed inwardly on the bottom plate 1 and an annular limiting block 14 protruding from the bottom of the moving die plate mounting plate 7. The annular limiting block 14 is inserted into the annular limiting groove 13, and the cross-sections of the annular limiting block 14 and the annular limiting groove 13 are T-shaped. The cooperation between the annular limiting block 14 and the annular limiting groove 13 can provide a limit and a rotation center for the moving die plate mounting plate.

[0033] Specifically, a translation assembly capable of driving the moving die plate 8 to move towards or away from the stationary die plate 5 is further provided on the moving die plate mounting plate 7. The translation assembly includes a translation driver 15 horizontally fixed on the moving die plate mounting plate 7 through a driver mounting plate. The end of the output shaft of the translation driver 15 is connected to the moving die plate 8. A first connecting seat 16 is fixedly connected to the outer side wall of the moving die plate 8, and the end of the output shaft of the translation driver 15 is fixedly connected to a second connecting seat 17. The first connecting seat 16 and the second connecting seat 17 are detachably connected by a plurality of bolts. During loading and unloading, the translation driver can drive the moving die plate to translate towards or away from the stationary die plate.

[0034] Those skilled in the art should understand that the translation driver can be an oil cylinder, a cylinder, a linear motor, etc.

[0035] Specifically, both the stationary thread rolling surface 6 and the moving thread rolling surface 9 are formed by combining a plurality of thread teeth with an arc-shaped cross-section.

[0036] 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 to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0037] Although terms such as bottom plate 1, stationary die plate module 2, moving die plate module 3, stationary die plate mounting plate 4, stationary die plate 5, stationary thread rolling surface 6, moving die plate mounting plate 7, moving die plate 8, moving thread rolling surface 9, circumferential driver 10, rotary driver 11, driving gear 12, annular limiting groove 13, annular limiting block 14, translation driver 15, first connecting seat 16, second connecting seat 17, etc. are used more frequently herein, 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. A multi-surface alternating thread rolling mechanism, comprising a bottom plate (1), characterized in that: A stationary tooth plate module (2) and a movable tooth plate module (3) are rotatably arranged on the base plate (1), and the movable tooth plate module (3) is arranged on the periphery of the stationary tooth plate module (2); The static tooth plate module (2) comprises a static tooth plate mounting plate (4) with a circular cross section, the bottom plate (1) is provided with a rotation switching assembly connected to the static tooth plate mounting plate (4), four static tooth plates (5) distributed in a ring array are vertically arranged on the static tooth plate mounting plate (4), and the static tooth plate (5) is provided with a static thread rolling surface (6) with an arc-shaped cross section and arranged on the outer side wall of the static tooth plate (5); The movable tooth plate module (3) comprises a movable tooth plate mounting plate (7) with an annular cross section, the movable tooth plate mounting plate (7) and the stationary tooth plate mounting plate (4) are concentrically arranged, and the stationary tooth plate mounting plate (4) is arranged in the middle of the movable tooth plate mounting plate (7), two movable tooth plates (8) corresponding to the stationary tooth plates (5) are symmetrically arranged on the movable tooth plate mounting plate (7), the movable tooth plate (8) is fixedly arranged on the movable tooth plate mounting plate (7), and a movable thread rolling surface (9) with an arc-shaped cross section is arranged on the movable tooth plate (8), and the movable thread rolling surface (9) is arranged inwardly; The base plate (1) is also provided with a rotating assembly connected to the movable tooth plate mounting plate (7).

2. The multi-surface alternating thread rolling mechanism according to claim 1, characterized in that: The rotary switching assembly comprises a circumferential driver (10) fixed to the bottom of the base plate (1), and the output shaft of the circumferential driver (10) passes through the base plate (1) and is connected to the stationary tooth plate mounting plate (4).

3. The multi-surface alternating thread rolling mechanism according to claim 1, characterized in that: The rotating assembly comprises a driving gear (12) driven by a rotating driver (11), and an annular tooth portion meshing with the driving gear (12) is provided on the outer circumferential surface of the movable tooth plate mounting plate (7).

4. The multi-surface alternating thread rolling mechanism according to claim 3, characterized in that: The movable tooth plate mounting plate (7) is rotationally matched with the base plate (1) via an annular limiting structure.

5. The multi-surface alternating thread rolling mechanism according to claim 4, characterized in that: The annular limiting structure comprises an annular limiting groove (13) recessed inwardly on the base plate (1) and an annular limiting block (14) protruding from the bottom of the movable tooth plate mounting plate (7), wherein the annular limiting block (14) is inserted into the annular limiting groove (13).

6. The multi-surface alternating thread rolling mechanism according to claim 5, characterized in that: The cross sections of the annular limiting block (14) and the annular limiting groove (13) are T-shaped.

7. The multi-surface alternating thread rolling mechanism according to any one of claims 1 to 6, characterized in that: The movable tooth plate mounting plate (7) is also provided with a translation component capable of driving the movable tooth plate (8) to move towards or away from the stationary tooth plate (5).

8. The multi-surface alternating thread rolling mechanism according to claim 7, characterized in that: The translation assembly comprises a translation driver (15) horizontally fixed on a movable tooth plate mounting plate (7) via a driver mounting plate, and the output shaft end of the translation driver (15) is connected to the movable tooth plate (8).

9. The multi-surface alternating thread rolling mechanism according to claim 8, characterized in that: The outer wall of the movable tooth plate (8) is fixedly connected to a first connecting seat (16), and the output shaft end of the translation driver (15) is fixedly connected to a second connecting seat (17). The first connecting seat (16) and the second connecting seat (17) are detachably connected by a plurality of bolts.

10. The multi-surface alternating thread rolling mechanism according to any one of claims 1 to 6, characterized in that: The static thread rolling surface (6) and the dynamic thread rolling surface (9) are both formed by a combination of a number of thread teeth with arc-shaped cross sections.

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