CN211161708U

CN211161708U - Automatic feeding thread rolling machine

Info

Publication number: CN211161708U
Application number: CN201921595974.3U
Authority: CN
Inventors: 洪启洲
Original assignee: Dongguan Dexin Hardware Co ltd
Current assignee: Dongguan Dexin Hardware Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-08-04
Anticipated expiration: 2029-09-24

Abstract

The application provides an automatic feeding thread rolling machine which conveys materials to a position between a feeding rod and a thread rolling gap through a feeding module, drives the feeding rod to penetrate through the materials through a pushing cylinder and pushes the materials to the thread rolling gap to wait for thread rolling; when the first pushing device pushes the third roller cone to move towards the direction close to the material, the material on the feeding rod is pushed to be respectively attached to the first roller cone, the second roller cone and the third roller cone, and rolling is achieved; even if the material is extruded by the third roller cone, the feeding rod penetrates through the material to play a role in protecting the inner hole of the material in the rolling process. When the hobbing is completed, the third hobbing cutter moves towards the direction of keeping away from the material, the reset module resets the pushing cylinder and the feeding rod, and the pushing cylinder drives the feeding rod to move towards the direction of keeping away from the clearance of the hobbing, so that the blanking is realized. In this application promptly, can realize autoloading, material loading, unloading, can guarantee moreover that the material hole is indeformable at the tooth in-process of rolling.

Description

Automatic feeding thread rolling machine

Technical Field

The utility model relates to a roll the tooth machine field, indicate an automatic feeding rolls tooth machine especially.

Background

The thread rolling machine is also called thread rolling machine, and is a multifunctional cold rolling forming machine tool, and the thread rolling machine can perform thread, straight line and twill rolling, rolling of straight teeth, helical teeth and helical spline teeth, straightening, reducing, polishing and various forming rolling on a workpiece in a cold state within the range of rolling force.

For example, in the chinese utility model patent disclosed in CN 203484593U, the thread rolling machine in the conventional art places the workpieces into the thread rolling gap one by manual feeding, and the work efficiency is low. Meanwhile, as the equipment is operated all the time, the action of putting the workpiece into the empty hand has high danger, and the possibility of pinching off the finger is not noticed a little. In addition, the mechanical operation noise of the thread rolling machine is large, and the thread rolling machine is not suitable for long-time operation of workers. And still have a problem in artifical pay-off, need the extrusion of roller wheel just can realize rolling the tooth to the material surface, and to the inside material that is equipped with the trompil, owing to do not have and be provided with how protection mechanism, then lead to material hole compression deformation easily, influence subsequent processing.

Disclosure of Invention

In order to solve the problem, the utility model provides an automatic feeding thread rolling machine can realize automatic feeding, pay-off, unloading, improves its work efficiency greatly, and guarantees not to warp at thread rolling in-process material hole.

In order to achieve the above object, the utility model adopts the following technical scheme: an automatic feeding thread rolling machine comprises a control system, a thread rolling mechanism and an automatic feeding mechanism arranged on one side of the thread rolling mechanism; the rolling tooth mechanism comprises a first rolling tooth wheel, a second rolling tooth wheel, a third rolling tooth wheel, a first driving device and a first pushing device, wherein the first driving device is electrically connected with the control system, the first pushing device is electrically connected with the control system, the first rolling tooth wheel, the second rolling tooth wheel and the third rolling tooth wheel are positioned on the same vertical plane, and rolling tooth gaps are formed among the first rolling tooth wheel, the second rolling tooth wheel and the third rolling tooth wheel; the first driving device drives the first roller cone, the second roller cone and the third roller cone to rotate respectively; the automatic feeding mechanism comprises a feeding module and a feeding module; the feeding module comprises a feeding support, a feeding fixing seat arranged on the surface of the feeding support and a pushing cylinder arranged on the feeding fixing seat, and a reset module for resetting the pushing cylinder is arranged between the feeding support and the feeding fixing seat; the movable rod of the pushing cylinder is movably connected with a feeding rod aligned with the clearance of the thread rolling die through a bearing seat; the feeding module sends materials to a position between the feeding rod and the rolling tooth gap, the pushing cylinder drives the feeding rod to penetrate through the materials, and the materials are pushed into the rolling tooth gap; the first pushing device pushes the third roller cone to move towards the direction close to the material, so that the material on the feeding rod is pushed to be respectively attached to the first roller cone, the second roller cone and the third roller cone, and the roller cones are realized; the first pushing device drives the third roller wheel to move towards the direction far away from the material, and the reset module resets the pushing cylinder and the feeding rod.

Further, the feeding module comprises a discharging rail, a storage tank and a vibrating disc electrically connected with the control system, the discharging port of the vibrating disc is connected with one end of the discharging rail, the other end of the discharging rail is communicated with the storage tank, the storage tank is arranged between the feed rods in the rolling tooth gap, and the pushing cylinder pushes the feed rods to penetrate through materials in the storage tank and pushes the materials to the rolling tooth gap.

Further, a photoelectric sensor used for detecting materials is arranged above the discharging rail, and the output end of the photoelectric sensor is connected with the input end of the control system.

Furthermore, the reset module comprises a reset spring, a sliding block arranged on the bottom surface of the feeding fixing seat and a sliding rail arranged on the surface of the feeding support, wherein the sliding rail extends along the movement direction of the third roller wheel, the feeding fixing seat slides along the sliding rail direction in the sliding rail of the feeding support through the sliding block, the reset support is arranged on the side surface of the feeding support, one end of the reset spring is connected with the reset support, and the other end of the reset spring is fixedly connected with the feeding fixing seat.

Furthermore, the reset module also comprises a reset shaft extending along the movement direction of the third roller wheel, one end of the reset shaft penetrates through the feeding fixing seat, and the other end of the reset shaft is fixedly connected with the feeding support.

The thread rolling mechanism further comprises a positioning module, the positioning module comprises a positioning bracket arranged on one side of the thread rolling gap away from the pushing cylinder and a positioning rod arranged in parallel with the feeding rod, and one end of the positioning rod is arranged on the positioning bracket in a sliding mode through a bearing; the feeding rod penetrates through the material and moves towards the rolling tooth gap, and the tail end of the feeding rod is tightly attached to the other end of the positioning rod; the first pushing device enables materials on the feeding rod to be respectively attached to the first roller cone, the second roller cone and the third roller cone, and the feeding rod and the positioning rod rotate synchronously.

Furthermore, the positioning module also comprises a first limiting block, a second limiting block and a limiting spring, wherein the first limiting block is sleeved at one end of the positioning rod close to the thread rolling gap, the second limiting block is sleeved at one end far away from the thread rolling gap, and the first limiting block and the second limiting block are respectively positioned at the left side and the right side of the positioning bracket; wherein, the limiting spring is sleeved on the positioning rod and is positioned between the first limiting block and the positioning bracket.

The beneficial effects of the utility model reside in that: according to the feeding device, materials are conveyed to a position between the feeding rod and the rolling tooth gap through the feeding module, the feeding rod is driven to penetrate through the materials through the pushing cylinder, and the materials are pushed to the rolling tooth gap to wait for rolling teeth; when the first pushing device pushes the third roller cone to move towards the direction close to the material, the material on the feeding rod is pushed to be respectively attached to the first roller cone, the second roller cone and the third roller cone, and rolling is achieved; even the material receives the extrusion of third hobbing cutter, because at the hobbing in-process, the feed rod runs through the material and plays the effect of protection material hole, and the feed rod passes through the bearing frame to be connected with the movable rod that promotes the cylinder simultaneously, so the hobbing in-process can be followed material synchronous revolution, reduces the feed rod and at the influence of hobbing in-process to material hole inner wall. When the rolling teeth are completed, the third rolling teeth move towards the direction far away from the materials, the reset module resets the push cylinder and the feed rod, and simultaneously the push cylinder drives the feed rod to move towards the direction far away from the rolling teeth gap, so that the blanking is realized. In this application promptly, can realize autoloading, material loading, unloading, need not manual operation, improve its work efficiency greatly and avoid taking place the production accident, can guarantee simultaneously that the material hole is indeformable at the tooth in-process of rolling.

Drawings

Fig. 1 is a schematic front view of the feeding module and the feeding module of the present invention.

Fig. 2 is a schematic top view of the feeding module and the loading module according to the present invention.

Fig. 3 is a schematic front view of the middle rolling mechanism of the present invention.

Fig. 4 is a schematic top view of the rolling mechanism of the present invention.

The reference numbers illustrate: 1. a thread rolling mechanism; 11. a first roller cone; 12. a second roller cone; 13. a third roller cone; 14. a first urging device; 15. a thread rolling gap; 16. a first driving device; 17. positioning a rod; 18. positioning the bracket; 19. a first stopper; 110. a second limiting block; 111. a limiting spring; 2. a feeding module; 21. a push cylinder; 22. a bearing seat; 23. a feed bar; 24. a feeding fixing seat; 241. a slider; 25. a feeding bracket; 251. a reset bracket; 252. a reset shaft; 253. a return spring; 254. a slide rail; 3. a feeding module; 31. a vibrating pan; 32. a discharge rail; 33. a storage tank; 34. a photoelectric sensor.

Detailed Description

Referring to fig. 1-4, the present invention relates to an automatic feeding thread rolling machine, which comprises a control system, a thread rolling mechanism 1, and an automatic feeding mechanism disposed on one side of the thread rolling mechanism 1; the thread rolling mechanism 1 comprises a first thread rolling die 11, a second thread rolling die 12, a third thread rolling die 13, a first driving device 16 electrically connected with a control system, and a first pushing device 14 electrically connected with the control system, wherein the first thread rolling die 11, the second thread rolling die 12 and the third thread rolling die 13 are positioned on the same vertical plane, and thread rolling gaps 15 are formed among the first thread rolling die 11, the second thread rolling die 12 and the third thread rolling die 13; the first driving device 16 drives the first roller cone 11, the second roller cone 12 and the third roller cone 13 to rotate respectively; the automatic feeding mechanism comprises a feeding module 2 and a feeding module 3; the feeding module 2 comprises a feeding support 25, a bearing seat 22, a feeding fixing seat 24 arranged on the surface of the feeding support 25, and a pushing cylinder 21 arranged on the feeding fixing seat 24, and a reset module for resetting the pushing cylinder 21 is arranged between the feeding support 25 and the feeding fixing seat 24; the movable rod of the pushing cylinder 21 is movably connected with a feeding rod 23 aligned with the thread rolling gap 15 through a bearing seat 22; the feeding module 3 sends the material to the position between the feeding rod 23 and the thread rolling gap 15, the pushing cylinder 21 drives the feeding rod 23 to penetrate through the material, and the material is pushed into the thread rolling gap 15; the first pushing device 14 pushes the third roller cone 13 to move towards the direction close to the material, so that the material on the feeding rod 23 is pushed to be respectively attached to the first roller cone 11, the second roller cone 12 and the third roller cone 13, and rolling teeth are realized; the first pushing device 14 drives the third roller 13 to move in the direction away from the material, and the reset module resets the pushing cylinder 21 and the feeding rod 23.

In the application, materials are conveyed between the feeding rod 23 and the thread rolling gap 15 through the feeding module 3, the feeding rod 23 is driven to penetrate through the materials through the pushing cylinder 21, and the materials are pushed into the thread rolling gap 15 to wait for thread rolling; when the first pushing device 14 pushes the third roller cone 13 to move towards the direction close to the material, the material on the feeding rod 23 is pushed to be respectively attached to the first roller cone 11, the second roller cone 12 and the third roller cone 13, and rolling is realized; even the material receives the extrusion of third hobbing cutter 13, because at the hobbing in-process, feed rod 23 runs through the material and plays the effect of protection material hole, and feed rod 23 passes through bearing frame 22 and is connected with the movable rod that promotes cylinder 21 simultaneously, so the hobbing in-process can be followed material synchronous revolution, reduces feed rod 23 and is hobbing in-process to the influence of hole inner wall in the material. When the rolling teeth are finished, the third rolling teeth 13 move towards the direction far away from the materials, the reset module resets the push cylinder 21 and the feed rod 23, and meanwhile, the push cylinder 21 drives the feed rod 23 to move towards the direction far away from the rolling teeth gap 15, so that blanking is realized. In this application promptly, can realize autoloading, material loading, unloading, can guarantee moreover that the material hole is indeformable at the tooth in-process of rolling.

Further, in this embodiment, the feeding module 3 includes a discharging rail 32, a storage tank 33, and a vibration plate 31 electrically connected to the control system, a discharging port of the vibration plate 31 is connected to one end of the discharging rail 32, the other end of the discharging rail 32 is communicated with the storage tank 33, the storage tank 33 is disposed between the feeding rod 23 and the feeding rod 15, and the pushing cylinder 21 pushes the feeding rod 23 to pass through the material in the storage tank 33 and push the material into the rolling tooth gap 15. Wherein in this embodiment, the stock chest 33 is connected perpendicularly in the one end that the vibration dish 31 was kept away from to ejection of compact track 32, and when vibration dish 31 carried the material to stock chest 33 from ejection of compact track 32, and stock chest 33 can save two materials, when the material that is located the below was released, the material that is located the top was placed in the top of feed rod 23 promptly, when pushing away the cylinder drive feed rod 23 and toward keeping away from the direction removal in hobbing tooth clearance 15 for the material that is located the top falls in the place ahead of feed rod 23. It should be noted that the above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and those skilled in the art can adopt other mechanisms to realize the loading.

Further, a photoelectric sensor 34 for detecting materials is arranged above the discharging rail 32, and an output end of the photoelectric sensor 34 is connected with an input end of a control system. In this embodiment, a photoelectric sensor 34 for detecting the material is disposed above the middle position of the discharging track 32, and when the photoelectric sensor 34 detects the material, it sends a corresponding electrical signal to the control system, and the control system controls the vibration disc 31 to stop working; in this application, the continuous consumption of material, promptly when photoelectric sensor 34 can not detect the material, send corresponding signal of telecommunication to control system promptly, control system then controls vibration dish 31 and begins work, supplements the material.

Further, in the present embodiment, in order to realize normal blanking of the material; the reset module comprises a reset spring 253, a sliding block 241 arranged on the bottom surface of the feeding fixed seat 24 and a sliding rail 254 arranged on the surface of the feeding support 25, wherein the sliding rail 254 extends along the movement direction of the third roller 13, the feeding fixed seat 24 is arranged in the sliding rail 254 of the feeding support 25 through the sliding block 241 to slide along the direction of the sliding rail 254, a reset support 251 is arranged on the side surface of the feeding support 25, one end of the reset spring 253 is connected with the reset support 251, and the other end of the reset spring 253 is fixedly connected with the feeding fixed seat 24.

Namely, when the air cylinder 21 is pushed to push the material to enter the rolling tooth gap 15 at the beginning, the material is not contacted with the rolling tooth wheel; when the first pushing device 14 drives the third roller cone 13, the materials on the feeding rod 23 are respectively attached to the first roller cone 11, the second roller cone 12 and the third roller cone 13, and the roller cones are realized; meanwhile, the first pushing device 14 pushes the pushing cylinder 21, the feeding rod 23 and the material to the first roller cutter 11 and the second roller cutter 12 (at the moment, the return spring 253 is in a stretching state); after the rolling is finished, the first pushing device 14 drives the third rolling cutter 13 to move in the direction away from the material, the reset spring 253 in the reset module resets the feeding fixing seat 24, so that the pushing cylinder 21 and the feeding rod 23 arranged on the surface of the feeding fixing seat 24 reset, the pushing cylinder 21 pulls back the feeding rod 23 after the resetting is finished to realize the feeding of the next material, and the resetting has the effect that the material scratches the rolling cutter when the pushing cylinder 21 pulls back the material on the feeding rod 23.

Further, in order to ensure that the resetting direction does not deviate, the resetting module further comprises a resetting shaft 252 extending along the movement direction of the third roller 13, one end of the resetting shaft 252 penetrates through the feeding fixing seat 24, and the other end of the resetting shaft is fixedly connected with the feeding support 25, so that the pushing cylinder 21, the feeding rod 23 and the material are all enabled to reset along the direction of the resetting shaft 252.

Further, the thread rolling mechanism 1 further comprises a positioning module, the positioning module comprises a positioning bracket 18 arranged on one side of the thread rolling gap 15 far away from the pushing cylinder 21 and a positioning rod 17 arranged in parallel with the feeding rod 23, and one end of the positioning rod 17 is slidably arranged on the positioning bracket 18 through a bearing; the feeding rod 23 penetrates through the material and moves towards the thread rolling gap 15, and the tail end of the feeding rod 23 is tightly attached to the other end of the positioning rod 17; the first pushing device 14 enables the material on the feeding rod 23 to be respectively attached to the first roller cone 11, the second roller cone 12 and the third roller cone 13, and the feeding rod 23 and the positioning rod 17 rotate synchronously. The positioning module further comprises a first limiting block 19, a second limiting block 110 and a limiting spring 111, wherein the first limiting block 19 is sleeved at one end, close to the thread rolling gap 15, of the positioning rod 17, the second limiting block 110 is sleeved at one end, far away from the thread rolling gap 15, and the first limiting block 19 and the second limiting block 110 are respectively positioned at the left side and the right side of the positioning support 18; the limiting spring 111 is sleeved on the positioning rod 17, and the limiting spring 111 is located between the first limiting block 19 and the positioning bracket 18.

In this embodiment, the positioning module can facilitate positioning of the feeding rod 23 during the working process, wherein the feeding rod 23 penetrates through the material and moves towards the thread rolling gap 15, and the end of the feeding rod 23 is tightly attached to the other end of the positioning rod 17, so that the limiting spring 111 is in a compressed state; (at this time, the circle centers of the feeding rod 23 and the positioning rod 17 are not aligned); when the first pushing device 14 makes the material on the feeding rod 23 respectively and tightly attached to the first roller cone 11, the second roller cone 12 and the third roller cone 13 (at this time, the circle centers of the feeding rod 23 and the positioning rod 17 are aligned, and the feeding rod 23 and the positioning rod 17 synchronously rotate); during the thread rolling process, the material can move in the direction away from the thread rolling gap 15 while rolling the threads; therefore, in the working process, the movable rod of the pushing cylinder 21 drives the feeding rod 23 to move in the direction away from the thread rolling gap 15; due to the action of the limiting spring 111, the positioning rod 17 can be tightly attached to the tail end of the feeding rod 23 to realize positioning in the process that the feeding rod 23 moves away from the thread rolling gap 15.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides an automatic material loading thread rolling machine which characterized in that: comprises a control system, a thread rolling mechanism and an automatic feeding mechanism arranged on one side of the thread rolling mechanism; the rolling tooth mechanism comprises a first rolling tooth wheel, a second rolling tooth wheel, a third rolling tooth wheel, a first driving device and a first pushing device, wherein the first driving device is electrically connected with the control system, the first pushing device is electrically connected with the control system, the first rolling tooth wheel, the second rolling tooth wheel and the third rolling tooth wheel are positioned on the same vertical plane, and rolling tooth gaps are formed among the first rolling tooth wheel, the second rolling tooth wheel and the third rolling tooth wheel; the first driving device drives the first roller cone, the second roller cone and the third roller cone to rotate respectively; the automatic feeding mechanism comprises a feeding module and a feeding module; the feeding module comprises a feeding support, a bearing seat, a feeding fixing seat arranged on the surface of the feeding support and a pushing cylinder arranged on the feeding fixing seat, and a reset module for resetting the pushing cylinder is arranged between the feeding support and the feeding fixing seat; the movable rod of the pushing cylinder is movably connected with a feeding rod aligned with the clearance of the thread rolling die through a bearing seat; the feeding module sends materials to a position between the feeding rod and the rolling tooth gap, the pushing cylinder drives the feeding rod to penetrate through the materials, and the materials are pushed into the rolling tooth gap; the first pushing device pushes the third roller cone to move towards the direction close to the material, so that the material on the feeding rod is pushed to be respectively attached to the first roller cone, the second roller cone and the third roller cone, and the roller cones are realized; the first pushing device drives the third roller wheel to move towards the direction far away from the material, and the reset module resets the pushing cylinder and the feeding rod.

2. An automatic feeding thread rolling machine according to claim 1, characterized in that: the feeding module comprises a discharging rail, a storage tank and a vibrating disc electrically connected with the control system, the discharging port of the vibrating disc is connected with one end of the discharging rail, the other end of the discharging rail is communicated with the storage tank, the storage tank is arranged between the feed rod and the thread rolling gap, and the pushing cylinder pushes the feed rod to penetrate through materials in the storage tank and push the materials to the thread rolling gap.

3. An automatic feeding thread rolling machine according to claim 2, characterized in that: and a photoelectric sensor for detecting materials is arranged above the discharging rail, and the output end of the photoelectric sensor is connected with the input end of the control system.

4. An automatic feeding thread rolling machine according to claim 1, characterized in that: the reset module comprises a reset spring, a sliding block and a sliding rail, wherein the sliding block is arranged on the bottom surface of the feeding fixing seat, the sliding rail is arranged on the surface of the feeding support, the sliding rail extends along the movement direction of the third roller wheel, the feeding fixing seat is arranged in the sliding rail of the feeding support through the sliding block and slides along the direction of the sliding rail, the side surface of the feeding support is provided with a reset support, one end of the reset spring is connected with the reset support, and the other end of the reset spring is fixedly connected with the feeding fixing seat.

5. An automatic feeding thread rolling machine according to claim 4, characterized in that: the reset module further comprises a reset shaft extending along the movement direction of the third roller wheel, one end of the reset shaft penetrates through the feeding fixing seat, and the other end of the reset shaft is fixedly connected with the feeding support.

6. An automatic feeding thread rolling machine according to claim 1, characterized in that: the thread rolling mechanism further comprises a positioning module, the positioning module comprises a positioning bracket arranged on one side of the thread rolling gap away from the pushing cylinder and a positioning rod arranged in parallel with the feeding rod, and one end of the positioning rod is arranged on the positioning bracket in a sliding mode through a bearing; the feeding rod penetrates through the material and moves towards the rolling tooth gap, and the tail end of the feeding rod is tightly attached to the other end of the positioning rod; the first pushing device enables materials on the feeding rod to be respectively attached to the first roller cone, the second roller cone and the third roller cone, and the feeding rod and the positioning rod rotate synchronously.

7. An automatic feeding thread rolling machine according to claim 6, characterized in that: the positioning module further comprises a first limiting block, a second limiting block and a limiting spring, wherein the first limiting block is sleeved at one end, close to the thread rolling gap, of the positioning rod, the second limiting block is sleeved at one end, far away from the thread rolling gap, of the positioning rod, and the first limiting block and the second limiting block are respectively located on the left side and the right side of the positioning support; wherein, the limiting spring is sleeved on the positioning rod and is positioned between the first limiting block and the positioning bracket.