CN213256870U

CN213256870U - Feeding device for three-roller thread rolling machine

Info

Publication number: CN213256870U
Application number: CN202021771229.2U
Authority: CN
Inventors: 吴超峰
Original assignee: Suzhou Sudelan Railway Accessories Co ltd
Current assignee: Suzhou Sudelan Railway Accessories Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-05-25
Anticipated expiration: 2030-08-21

Abstract

The application relates to the technical field of feeding equipment, in particular to a feeding device for a three-roll thread rolling machine, which comprises a rack, wherein a driving air cylinder is arranged on the upper surface of the rack and at one end far away from a feeding hole of the three-roll thread rolling machine, and one end, close to the feeding hole, of the driving air cylinder is connected with a clamping device for clamping a spike blank; a sliding groove is formed in the upper surface of the rack and at the bottom end of the clamping device, and the clamping device can slide in the sliding groove; and one side of the clamping device along the sliding direction is provided with a travel switch. The driving cylinder pushes the spike blank to move towards the direction of the feed port, and the travel switch limits the moving distance of the spike blank. This application has the effect that improves spiral spike grinding quality.

Description

Feeding device for three-roller thread rolling machine

Technical Field

The application relates to the technical field of feeding equipment, in particular to a feeding device for a three-roll thread rolling machine.

Background

In the process of producing the spiral spike, a three-roll thread rolling machine is needed to roll out the threads of the spike blank.

In the existing thread rolling process, an operator is required to manually push the spike blank into a three-roll thread rolling machine for thread rolling.

Aiming at the related technologies, an operator manually rolls the screw, the jacking force is not consistent every time, and the jacking angle is not enough, so that the rolled threads of each spike blank are not consistent, and the processing quality of the spiral spike is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the processingquality of spiral spike, this application provides a loading attachment for three-roll thread rolling machine.

The application provides a three roll and roll loading attachment for silk machine adopts following technical scheme:

a feeding device for a three-roller thread rolling machine comprises a rack, wherein a driving air cylinder is arranged on the upper surface of the rack and at one end far away from a feed port of the three-roller thread rolling machine, and a clamping device used for clamping a spike blank is connected to one end, close to the feed port, of the driving air cylinder; a sliding groove is formed in the upper surface of the rack and at the bottom end of the clamping device, and the clamping device can slide in the sliding groove; and a travel switch is arranged on one side of the clamping device along the sliding direction of the clamping device.

By adopting the technical scheme, the driving cylinder pushes the spike blank fixed on the clamping device to move towards the direction of the feed port, and the travel switch limits the moving distance of the spike blank. Even if the spike blank has a fixed stroke, each spike blank can obtain the same speed and the same driving air cylinder driving force in the wire grinding process. Compared with the manual processing mode of an operator, the stroke and the pushing force given to the spike blank by the operator each time are not fixed. Therefore, the quality of the grinding of the spike blank can be greatly increased.

Preferably, the clamping device comprises a rotary seat and a base in sequence from top to bottom, and a fastening bolt is arranged between the rotary seat and the base and fixes the rotary seat and the base together.

Through adopting above-mentioned technical scheme, set clamping device to detachable two parts, wherein, the revolving bed can cooperate the spike blank rotatory. When the spike blanks with different specifications need to be processed, the rotary seat which is adaptive to the spike blanks with different specifications can be replaced, and the base does not need to be replaced.

Preferably, the base comprises a sliding plate in sliding fit with the sliding groove and an upper inclined block positioned on the upper surface of the sliding plate, and the rotary seat comprises a lower inclined block with the same inclination angle as the upper inclined block and a bearing seat positioned on the upper surface of the lower inclined block; the upper inclined block and the lower inclined block are tightly attached.

Through adopting above-mentioned technical scheme, set base and revolving bed to inclined plane complex mode, when driving actuating cylinder and promoting clamping device, can have the power of mutual support between base and the revolving bed on the horizontal direction.

Preferably, the end of the upper surface of the upper inclined block close to the feed port is lower than the end of the upper surface of the upper inclined block far away from the feed port.

Through adopting above-mentioned technical scheme, when driving actuating cylinder and promoting clamping device, go up the sloping block and can promote down the sloping block.

Preferably, the sliding plate is located in the sliding groove, and one end, close to the driving cylinder, of the sliding plate is connected with the driving cylinder.

Through adopting above-mentioned technical scheme, the slide slides in the spout, and the slide links to each other with driving actuating cylinder for drive actuating cylinder and promote the slide and remove in the spout.

Preferably, a tapered roller bearing is arranged in the bearing seat, an ejector block is arranged in the tapered roller bearing, and a groove for placing a spike blank is formed in the middle of the ejector block.

By adopting the technical scheme, the tapered roller bearing can bear certain radial force, the pushing block positioned in the tapered roller bearing is convenient to push, the head of the spike blank is clamped by the groove of the pushing block, and the spike blank is convenient to push into the feed inlet.

Preferably, the travel switch is an inductive travel switch, and an inductive metal block is arranged on the side wall of the sliding plate close to the travel switch.

By adopting the technical scheme, the inductive travel switch is a non-contact travel switch, and the inductive travel switch can send a signal after sensing the inductive metal block, so that the driving cylinder returns.

Preferably, a slide rail is arranged on the rack, a slide block is arranged in the slide rail, and the travel switch is fixed on the slide block.

Through adopting above-mentioned technical scheme, set travel switch to can slide in the slide rail for travel switch can the adjusting position, can make the adaptability change to different spike blanks.

Preferably, the track direction of the slide rail is consistent with the stroke direction of the driving cylinder.

By adopting the technical scheme, namely the moving direction of the travel switch is consistent with the feeding direction of the spike blank, and corresponding adjustment is made according to the sizes of the spike blanks with different specifications. Specifically, if the size of the replaced spike blank is larger than a certain numerical value of the size of the previous spike blank, the travel switch moves on the slide rail correspondingly and vertically.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving cylinder is used for feeding the spike blanks, so that different spike blanks can obtain the same speed and driving force during feeding, and compared with a manual operation mode, the scheme can ensure that different spike blanks obtain the same processing quality;

2. through setting travel switch to the mode that can slide in the slide rail for travel switch can make corresponding adjustment according to the spike bolt of different specifications.

Drawings

FIG. 1 is a schematic overall view of a feeding device for a three-roll thread rolling machine according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the loading device;

FIG. 3 is an exploded schematic view of the clamping device;

fig. 4 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a frame; 2. a driving cylinder; 3. a clamping device; 4. a travel switch; 5. three thread rolling machines; 6. a top block; 7. a slide rail; 11. a transverse plate; 12. a support leg; 13. a chute; 31. a rotary base; 311. a bearing seat; 312. a lower inclined block; 313. a tapered roller bearing; 314. a waist-shaped hole; 315. fastening a bolt; 32. a base; 321. a slide plate; 322. an upper inclined block; 323. an induction metal block; 51. a feed inlet; 61. a groove; 71. a slide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a feeding device for a three-roll thread rolling machine 5. Referring to fig. 1, the feeding device includes a frame 1, the frame 1 includes a pair of horizontal plates 11 and a plurality of legs 12 supporting the horizontal plates 11, the horizontal plates 11 are parallel to each other and form a chute 13 therebetween, and a track direction of the chute 13 faces a feed port 51 direction of the three-thread rolling machine 5. The upper surface of the frame 1 and the end far away from the feed inlet 51 of the three-thread rolling machine 5 are provided with a driving cylinder 2, and the driving cylinder 2 is horizontally arranged and the extension direction of a piston rod in the driving cylinder 2 faces the feed inlet 51. The piston rod in the driving cylinder 2 extends into the chute 13 and is connected with a clamping device 3, the clamping device 3 is used for clamping the spike blank, and the clamping device 3 is positioned in the chute 13 and can slide in the chute 13. One side of the clamping device 3 along the sliding direction of the sliding chute 13 is provided with a travel switch 4, and specifically, the travel switch 4 is an inductive travel switch 4. When the wire grinding processing is carried out on the spike blank, the spike blank is placed on the clamping device 3, the driving cylinder 2 pushes the clamping device 3 to move towards the feeding hole 51, the driving cylinder 2 abuts against the clamping device 3, the clamping device 3 drives the spike blank to grind the wire in the three-roller wire grinding machine, and when the driving cylinder 2 extends out to a fixed stroke, the inductive stroke switch 4 sends out a signal to enable the driving cylinder 2 to drive the clamping device 3 to return.

Referring to fig. 2, the clamping device 3 includes a rotary base 31 and a base 32 in sequence from top to bottom, the base 32 includes a sliding plate 321 slidably engaged with the sliding slot 13 and an upper inclined block 322 located on an upper surface of the sliding plate 321, and the upper inclined block 322 is welded on the sliding plate 321. The bottom surface of the upper inclined block 322 is horizontally arranged, the upper surface of the upper inclined block 322 is obliquely arranged, and one end, close to the feed port 51, of the upper surface of the upper inclined block 322 is lower than one end, far away from the feed port 51, of the upper surface of the upper inclined block.

Referring to fig. 2, the swivel base 31 includes a lower inclined block 312 and a bearing seat 311 located on the upper surface of the lower inclined block 312, the lower surface of the lower inclined block 312 has the same inclination angle as the upper surface of the upper inclined block 322, and the lower surface of the lower inclined block 312 is closely attached to the upper surface of the upper inclined block 322. The upper surface of the lower swash block 312 is horizontally disposed, and the bearing housing 311 is welded to a portion of the upper surface of the lower swash block 312 near the feed opening 51. The tapered roller bearing 313 capable of bearing a certain radial force is arranged in the bearing seat 311, the axial lead of the tapered roller bearing 313 is horizontal, the tapered roller bearing 313 is internally fixed with the top block 6, the top block 6 is cylindrical, and the middle part of the end surface of the top block 6 close to the feed inlet 51 is provided with a groove 61 for placing spike blanks. The end of the upper surface of the upper inclined block 322 close to the feed opening 51 is set lower than the end of the upper surface far from the feed opening 51, so that the inclined surface can abut against the spike blank when the spike blank is milled, and the milling of the spike blank is facilitated.

Referring to fig. 2, a plurality of fastening bolts 315 are disposed between the rotary seat 31 and the base 32, a plurality of slotted holes 314 are opened on the upper surface of the lower inclined block 312, and each fastening bolt 315 passes through a corresponding slotted hole 314 from the upper side of the lower inclined block 312 and is in threaded connection with the upper inclined block 322, thereby completing the fixation between the rotary seat 31 and the base 32.

Referring to fig. 3, a slide rail 7 is disposed on a side of the upper surface of the frame 1, which is close to the slide plate 321, and a track direction of the slide rail 7 is the same as a sliding direction of the slide plate 321. A sliding block 71 is arranged in the sliding rail 7, the travel switch 4 is fixed on the sliding block 71, and a sensing metal block 323 is fixed on the side wall of the sliding plate 321 close to the travel switch 4. When the sliding plate 321 slides, the sensing metal block 323 sliding along the sliding plate 321 approaches the travel switch 4, and when the travel switch 4 senses the sensing metal block 323, a signal is sent to retract the driving cylinder 2.

The implementation principle of the embodiment is as follows: when the spike blank is subjected to wire grinding processing, the spike blank is placed in the groove 61 of the top block 6. Drive actuating cylinder 2 and promote clamping device 3 and make clamping device 3 move towards feed inlet 51, the spike blank gets into feed inlet 51 of three roll thread rolling machine 5 under clamping device 3's drive and grinds the silk, after the spike blank stretches into feed inlet 51 certain distance, travel switch 4 senses response metal block 323 back and sends back the signal to driving actuating cylinder 2, the spike blank of having ground the silk breaks away from the thread rolling machine and gets into the feed cylinder to accomplish the thread grinding process of spike blank.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a three roll loading attachment for thread rolling machine which characterized in that: the device comprises a rack (1), wherein a driving cylinder (2) is arranged on the upper surface of the rack (1) and at one end far away from a feed inlet (51) of a three-roll thread rolling machine (5), and a clamping device (3) used for clamping a spike blank is connected to one end, close to the feed inlet (51), of the driving cylinder (2); a sliding chute (13) is formed in the upper surface of the rack (1) and at the bottom end of the clamping device (3), and the clamping device (3) can slide in the sliding chute (13); and a travel switch (4) is arranged on one side of the clamping device (3) along the sliding direction of the clamping device.

2. The loading attachment for three-roll thread rolling machine of claim 1, characterized in that: the clamping device (3) sequentially comprises a rotary seat (31) and a base (32) from top to bottom, a fastening bolt (315) is arranged between the rotary seat (31) and the base (32), and the rotary seat (31) and the base (32) are fixed together through the fastening bolt (315).

3. The loading attachment for three-roll thread rolling machine of claim 2, characterized in that: the base (32) comprises a sliding plate (321) in sliding fit with the sliding groove (13) and an upper inclined block (322) positioned on the upper surface of the sliding plate (321), and the rotary seat (31) comprises a lower inclined block (312) with the same inclination angle as the upper inclined block (322) and a bearing seat (311) positioned on the upper surface of the lower inclined block (312); the upper inclined block (322) and the lower inclined block (312) are tightly attached.

4. A loading device for a three-roll thread rolling machine according to claim 3, characterized in that: the end of the upper surface of the upper inclined block (322) close to the feed port (51) is lower than the end of the upper surface far away from the feed port (51).

5. A loading device for a three-roll thread rolling machine according to claim 3, characterized in that: the sliding plate (321) is positioned in the sliding groove (13), and one end, close to the driving cylinder (2), of the sliding plate (321) is connected with the driving cylinder (2).

6. A loading device for a three-roll thread rolling machine according to claim 3, characterized in that: the track spike is characterized in that a tapered roller bearing (313) is arranged in the bearing seat (311), an ejector block (6) is arranged in the tapered roller bearing (313), and a groove (61) for placing spike blanks is formed in the middle of the ejector block (6).

7. A loading device for a three-roll thread rolling machine according to claim 3, characterized in that: the travel switch (4) is an inductive travel switch (4), and an inductive metal block (323) is arranged on the side wall of the sliding plate (321) close to the travel switch (4).

8. The loading attachment for three-roll thread rolling machine of claim 1, characterized in that: the automatic travel switch is characterized in that a sliding rail (7) is arranged on the rack (1), a sliding block (71) is arranged in the sliding rail (7), and the travel switch (4) is fixed on the sliding block (71).

9. The loading attachment for three-roll thread rolling machine of claim 8, characterized in that: the track direction of the slide rail (7) is consistent with the stroke direction of the driving cylinder (2).