Positioning device for machining external thread screw

Abstract

The utility model discloses a positioning device for machining an external thread screw, which comprises a working frame and two groups of side baffles, the two groups of side baffles are fixedly arranged at the top of the working frame, and a thread rolling mechanism for machining a screw rod is arranged on the side baffles. A front supporting mechanism for supporting the front end of a screw raw material is fixedly mounted on the working frame, a pushing mechanism is fixedly mounted on one side of the working frame, and a rear supporting mechanism for positioning and supporting the other end of the screw raw material is arranged at the top of the pushing mechanism. The thread rolling mechanism can finish thread rolling treatment of the screw, one end of the thread rolling mechanism is supported and limited through the front supporting mechanism during thread rolling treatment, the rear end of the thread rolling mechanism can be placed in the rear supporting mechanism, and the limited and supported screw can rotate in a supporting mode. And then the arranged pushing mechanism can push the screw rod to move towards the interior of the thread rolling mechanism for thread rolling treatment, and the screw rod can be prevented from deviating in the thread rolling process.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw processing technical field, concretely is a positioning device for external thread screw processing. BACKGROUND

[0002] Threaded screw is a common fastener, which is characterized by a rod with external threads. It can be screwed into materials or used with internal threads by rotating. Threaded screws are widely used in various fields, from furniture manufacturing to industrial machinery, to electronic devices, etc.

[0003] During the production and manufacturing of threaded screws, external thread wire drawing treatment is required. However, the existing screw rod only relies on the wire drawing wheel for wire drawing forward movement during wire drawing treatment, and only uses a set of support plates for support. Such a support method is prone to cause screw rod damage during wire drawing. Therefore, we propose a positioning device for external thread screw processing. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a positioning device for external thread screw processing to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioning device for external thread screw processing, comprising a workbench and a side baffle, the side baffle is provided as two groups, two groups of side baffles are fixedly installed on the top of the workbench, a wire drawing mechanism for screw rod processing is provided on the side baffle, a front support mechanism for supporting the front end of screw raw material is fixedly installed on the workbench, a push mechanism is fixedly installed on one side of the workbench, a rear support mechanism for positioning and supporting the other end of the screw raw material is provided on the top of the push mechanism.

[0006] Further, the wire drawing mechanism comprises a limiting sleeve, a driving cylinder, a first mounting bracket, a wire drawing wheel, and a second driving motor, the limiting sleeve is slidably connected to the side baffle, the driving cylinder is fixedly installed on one side of the side baffle, the output end of the driving cylinder is fixedly connected with the limiting sleeve, the wire drawing wheel is rotatably connected to one side of the limiting sleeve through the first mounting bracket, the second driving motor is fixedly installed on one side of the first mounting bracket, and the output end of the second driving motor is fixedly connected with the wire drawing wheel.

[0007] Further, the front support mechanism comprises a second mounting bracket, a fixed frame, a third mounting bracket, and a support wheel, the second mounting bracket is fixedly installed on the workbench, the fixed frame is fixedly installed on the top of the second mounting bracket, the third mounting bracket is inserted into the fixed frame, two groups of support wheels are rotatably connected to the third mounting bracket, a plurality of adjustment grooves are formed through the third mounting bracket, and a positioning pin is inserted into the adjustment groove.

[0008] Further, the pushing mechanism comprises a pushing frame, a threaded rod, a threaded sleeve, a first driving motor and a fourth mounting frame, the threaded rod is rotationally connected in the pushing frame, the first driving motor is fixedly connected to one end of the pushing frame, the output end of the first driving motor is fixedly connected with the threaded rod, the threaded sleeve is threadedly connected to the outside of the threaded rod, and the fourth mounting frame is fixedly installed at the top of the threaded sleeve.

[0009] Further, the rear supporting mechanism comprises an installation plate, a rotating seat, a threaded pipe, a positioning sleeve and an extension pipe, the installation plate is fixedly installed at the top of the fourth mounting frame, the threaded pipe is rotationally connected to one side of the installation plate through the rotating seat, the positioning sleeve is threadedly connected to the outside of the threaded pipe, and the extension pipe is fixedly connected to the end of the positioning sleeve away from the threaded pipe.

[0010] Further, the second mounting frame is slidably connected with a limiting rod, and one end of the limiting rod is fixedly connected with the fourth mounting frame.

[0011] Compared with the prior art, the utility model has the advantages that the thread rolling mechanism provided by the utility model can complete thread rolling treatment of the screw rod, one end of the screw rod is supported and limited by the front supporting mechanism during thread rolling treatment, the rear end of the screw rod can be placed in the rear supporting mechanism, the screw rod can be supported and rotated after being limited and supported, the pushing mechanism provided subsequently can push the screw rod to move to the inside of the thread rolling mechanism for thread rolling treatment, and the screw rod can be prevented from deviating during thread rolling, so that the thread rolling process can be accurately carried out. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a first perspective view structural schematic drawing of the utility model;

[0013] Figure 2 It is a second perspective view structural schematic drawing of the utility model;

[0014] Figure 3 It is an A structure enlarged schematic drawing of the utility model;

[0015] Figure 4 It is a third mounting frame perspective view structural schematic drawing of the utility model.

[0016] In the drawing: 1 work frame, 2 side baffle, 3 thread rolling mechanism, 4 pushing mechanism, 5 front supporting mechanism, 6 rear supporting mechanism, 7 limiting sleeve, 8 driving cylinder, 9 first mounting frame, 10 thread rolling wheel, 11 second mounting frame, 12 fixed frame, 13 third mounting frame, 14 supporting wheel, 15 pushing frame, 16 threaded rod, 17 threaded sleeve, 18 first driving motor, 19 fourth mounting frame, 20 installation plate, 21 rotating seat, 22 threaded pipe, 23 positioning sleeve, 24 extension pipe, 25 limiting rod, 26 positioning pin, 27 adjusting groove, 28 second driving motor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a positioning device for external thread screw machining, including workbench 1 and side baffle 2, the side baffle 2 is set to two groups, two groups the side baffle 2 is fixedly installed on the top of workbench 1, the side baffle 2 is provided with the thread rolling mechanism 3 of screw rod processing, the front support mechanism 5 of the front end support of screw raw material is fixedly installed on the workbench 1, the push mechanism 4 is fixedly installed on the side of the workbench 1, the rear support mechanism 6 of the other end positioning support of screw raw material is provided on the top of the push mechanism 4.

[0019] Among them, the thread rolling mechanism 3 set can complete the thread rolling treatment of screw rod, and when thread rolling treatment, one end is supported and limited by front support mechanism 5, and the rear end can be placed in rear support mechanism 6, and the screw rod after limiting and supporting can be supported and rotated, then the push mechanism 4 set can push screw rod to move thread rolling mechanism 3 inside thread rolling treatment, and during thread rolling process, it can prevent screw rod from deviating, ensure the accurate performance of thread rolling process.

[0020] Please refer to Figure 1 And Figure 2 The thread rolling mechanism 3 includes limiting sleeve 7, drive cylinder 8, first mounting bracket 9, thread rolling wheel 10 and second drive motor 28, the limiting sleeve 7 is slidably connected on the side baffle 2, the drive cylinder 8 is fixedly installed on the side of the side baffle 2, the output end of the drive cylinder 8 is fixedly connected with the limiting sleeve 7, the thread rolling wheel 10 is rotatably connected with the first mounting bracket 9 on the side of the limiting sleeve 7, the second drive motor 28 is fixedly installed on the side of the first mounting bracket 9, and the output end of the second drive motor 28 is fixedly connected with the thread rolling wheel 10.

[0021] Among them, the position of thread rolling wheel 10 is adjusted according to the size of screw rod, moves the limiting sleeve 7, first mounting bracket 9 and thread rolling wheel 10 by drive cylinder 8 operation, so that it is contacted with screw rod, then starts second drive motor 28 to drive thread rolling wheel 10 to rotate, so that the thread rolling step of screw rod can be completed.

[0022] Please refer to Figure 1 、 Figure 2 AndFigure 4 The front supporting mechanism 5 comprises a second mounting frame 11, a fixed frame 12, a third mounting frame 13 and supporting wheels 14, the second mounting frame 11 is fixedly installed on the work stand 1, the top of the second mounting frame 11 is fixedly installed with the fixed frame 12, the fixed frame 12 is inserted with the third mounting frame 13, the third mounting frame 13 is rotatably connected with two groups of supporting wheels 14, a plurality of adjusting grooves 27 are formed through the third mounting frame 13, and the fixed frame 12 is provided with a positioning pin 26 inserted into the adjusting groove 27.

[0023] The screw to be machined can be positioned through the two groups of supporting wheels 14, and then the positions of the two groups of supporting wheels 14 are adjusted according to the size of the screw, the positioning pin 26 is removed from the adjusting groove 27 during the position adjustment of the supporting wheels 14, then the third mounting frame 13 can be moved up and down along the fixed frame 12, and the positioning pin 26 is inserted into the adjusting groove 27 to complete the fixed installation of the third mounting frame 13 and the supporting wheels 14 after the position adjustment is completed.

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 , the rear supporting mechanism 6 comprises a mounting plate 20, a rotating seat 21, a threaded pipe 22, a positioning sleeve 23 and an extension pipe 24, the top of the fourth mounting frame 19 is fixedly installed with the mounting plate 20, one side of the mounting plate 20 is rotatably connected with the threaded pipe 22 through the rotating seat 21, the threaded pipe 22 is externally threadedly connected with the positioning sleeve 23, and the positioning sleeve 23 is fixedly connected with the outwardly expanded extension pipe 24 away from the threaded pipe 22.

[0025] The screw to be machined is placed in the positioning sleeve 23, the extension pipe 24 provided on one side of the positioning sleeve 23 can facilitate the insertion of the screw, when the screw of different sizes needs to be processed, the positioning sleeve 23 can be replaced by rotating the positioning sleeve 23 to be separated from the threaded pipe 22, and the screw and the positioning sleeve 23 can rotate along the rotating seat 21 when the screw is rotated by the twisting mechanism 3.

[0026] Please refer to Figure 1 , Figure 2 and Figure 3 , the pushing mechanism 4 comprises a pushing frame 15, a threaded rod 16, a threaded sleeve 17, a first driving motor 18 and a fourth mounting frame 19, the threaded rod 16 is rotatably connected in the pushing frame 15, the first driving motor 18 is fixedly connected at one end of the pushing frame 15, the output end of the first driving motor 18 is fixedly connected with the threaded rod 16, the threaded rod 16 is externally threadedly connected with the threaded sleeve 17, and the fourth mounting frame 19 is fixedly installed at the top of the threaded sleeve 17.

[0027] When the screw needs to move forward, the first drive motor 18 operates, driving the threaded rod 16 to rotate. This allows the threaded rod 16 to drive the threaded sleeve 17 to move forward, which in turn allows the moving threaded sleeve 17 to drive the mounting plate 20, the rotating seat 21, the threaded tube 22, the positioning sleeve 23, and the screw inside the positioning sleeve 23 to move forward.

[0028] Please see Figure 1 and Figure 3 A limiting rod 25 is slidably connected to the second mounting bracket 11. One end of the limiting rod 25 is fixedly connected to the fourth mounting bracket 19. The limiting rod 25 can limit the fourth mounting bracket 19 to ensure that the fourth mounting bracket 19 will not deviate when it moves forward.

[0029] In use, the thread rolling mechanism 3 first completes the thread rolling process of the screw. During the thread rolling process, one end is supported and limited by the front support mechanism 5, while the rear end can be placed inside the rear support mechanism 6. After being limited and supported, the screw can rotate. Then, the pushing mechanism 4 pushes the screw into the thread rolling mechanism 3 for thread rolling. During the thread rolling process, the screw is prevented from deviating, ensuring the accuracy of the thread rolling process. The position of the thread rolling wheel 10 is adjusted according to the size of the screw. The drive cylinder 8 operates, driving the limit sleeve 7, the first mounting bracket 9, and the thread rolling wheel 10 to move and contact the screw. Then, the second drive motor 28 is started to drive the thread rolling wheel 10 to rotate, thus completing the screw thread rolling step. The screw to be processed can be limited by two sets of support wheels 14. Then, the positions of the two sets of support wheels 14 are adjusted according to the size of the screw. When adjusting the position of the support wheels 14, the positioning pin 26 is removed from the adjustment groove 27. The third mounting bracket 13 is moved up and down along the fixed frame 12. After the position is adjusted, the positioning pin 26 can be inserted into the adjustment groove 27 to complete the fixed installation of the third mounting bracket 13 and the support wheel 14. The screw to be processed is placed inside the positioning sleeve 23. The extension tube 24 on one side of the positioning sleeve 23 can easily insert the screw. When different sizes of screws need to be threaded, the positioning sleeve 23 can be rotated to disengage it from the thread tube 22, so that the positioning sleeve 23 can be replaced. When the thread rolling mechanism 3 drives the screw to rotate, the screw and the positioning sleeve 23 can rotate along the rotating seat 21. When the screw needs to move forward, the first drive motor 18 operates to drive the thread rod 16 to rotate. The thread rod 16 can then drive the thread sleeve 17 to move forward. The moving thread sleeve 17 can then drive the mounting plate 20, the rotating seat 21, the thread tube 22, the positioning sleeve 23, and the screw inside the positioning sleeve 23 to move forward.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for machining external thread screws, comprising a workbench (1) and side plates (2), the side plates (2) are arranged in two groups, and the two groups of side plates (2) are fixedly installed on the top of the workbench (1), characterized in that: The side baffle (2) is provided with a thread rolling mechanism (3) for processing screw, the workbench (1) is fixedly installed with a front support mechanism (5) for supporting the front end of screw raw material, and one side of the workbench (1) is fixedly installed with a pushing mechanism (4), and the top of the pushing mechanism (4) is provided with a rear support mechanism (6) for positioning and supporting the other end of the screw raw material.

2. A positioning device for machining external thread screws according to claim 1, characterized in that: The thread rolling mechanism (3) comprises a limiting sleeve (7), a driving cylinder (8), a first mounting frame (9), a thread rolling wheel (10) and a second driving motor (28), the limiting sleeve (7) is slidably connected to the side baffle (2), the driving cylinder (8) is fixedly installed on one side of the side baffle (2), the output end of the driving cylinder (8) is fixedly connected with the limiting sleeve (7), the limiting sleeve (7) is rotatably connected with the thread rolling wheel (10) through the first mounting frame (9) on one side, the second driving motor (28) is fixedly installed on one side of the first mounting frame (9), and the output end of the second driving motor (28) is fixedly connected with the thread rolling wheel (10).

3. A positioning device for machining external thread screws according to claim 2, characterized in that: The front support mechanism (5) comprises a second mounting frame (11), a fixed frame (12), a third mounting frame (13) and a supporting wheel (14), the second mounting frame (11) is fixedly installed on the workbench (1), the fixed frame (12) is fixedly installed on the top of the second mounting frame (11), the third mounting frame (13) is inserted into the fixed frame (12), and the third mounting frame (13) is rotatably connected with two groups of supporting wheels (14); a plurality of adjusting grooves (27) are penetratingly formed on the third mounting frame (13), and a positioning pin (26) is arranged on the fixed frame (12) and inserted into the adjusting groove (27).

4. A positioning device for machining external thread screws according to claim 3, characterized in that: The pushing mechanism (4) comprises a pushing frame (15), a threaded rod (16), a threaded sleeve (17), a first driving motor (18) and a fourth mounting frame (19), the threaded rod (16) is rotatably connected in the pushing frame (15), the first driving motor (18) is fixedly connected to one end of the pushing frame (15), the output end of the first driving motor (18) is fixedly connected with the threaded rod (16), the threaded rod (16) is externally threadedly connected with the threaded sleeve (17), and the fourth mounting frame (19) is fixedly installed on the top of the threaded sleeve (17).

5. A positioning device for machining external thread of a screw as claimed in claim 4, characterized in that: The rear support mechanism (6) comprises a mounting plate (20), a rotating seat (21), a threaded pipe (22), a positioning sleeve (23) and an extension pipe (24), the mounting plate (20) is fixedly installed on the top of the fourth mounting frame (19), the threaded pipe (22) is rotatably connected to one side of the mounting plate (20) through the rotating seat (21), the threaded pipe (22) is externally threadedly connected with the positioning sleeve (23), and the extension pipe (24) is fixedly connected to the end, away from the threaded pipe (22), of the positioning sleeve (23) and expands outward.

6. A positioning device for machining external thread of a screw as claimed in claim 5, characterized in that: The second mounting frame (11) is slidably connected with a limiting rod (25), and one end of the limiting rod (25) is fixedly connected with the fourth mounting frame (19).

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