CN217528788U

CN217528788U - Bar positioning and straightening mechanism for centerless lathe

Info

Publication number: CN217528788U
Application number: CN202123088467.0U
Authority: CN
Inventors: 孙永军; 黄威
Original assignee: Zhejiang Aobamei New Materials Co ltd
Current assignee: Zhejiang Aobamei New Materials Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-10-04
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to a bar location alignment mechanism for centerless lathe. The device solves the problems of complex structure and inconvenient use of bar stock straightening equipment in the prior art. It is including installing the assembly grillage on centerless lathe, assembly grillage one side is equipped with bar input assembly, and assembly grillage both ends are equipped with the bar output assembly who is used for the bar output after the alignment, assembly grillage downside is equipped with the bar location structure with bar input assembly interconnect, and assembly grillage upside is equipped with the sliding connection device that can follow assembly grillage vertical lift, the last releasable connection of sliding connection device has the bar alignment subassembly of the setting that corresponds with bar location structure, bar location structure both ends are equipped with bar closing device. The utility model has the advantages that: simple structure, simple operation, excellent in use effect.

Description

Bar positioning and straightening mechanism for centerless lathe

Technical Field

The utility model relates to a bar processing equipment technical field, concretely relates to bar location alignment mechanism for centerless lathe.

Background

In the mechanical manufacturing process, especially in the manufacturing process of rod parts, purchased round steel has poor straightness for various reasons, and quality problems easily occur in the subsequent processing process. The traditional straightening method adopts a manual hammering method for straightening, the straightening method has low efficiency, and hammering marks are easy to be caused on the surface of a workpiece, so that the requirements of mass production operation cannot be met; in addition, the existing bar stock straightening equipment has the defects of complex structure, high cost, inconvenience in operation and poor use effect.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a bar straightener [ CN201710275321.6], which comprises a cylinder, a portal frame, a pressure bar, an upper die, a lower die, a support bracket and a wheel, wherein the portal frame and the lower die are arranged on the support bracket, the cylinder, the pressure bar and the upper die are arranged on the portal frame, and the wheel is arranged on the support bracket. During operation, the bar is placed on the two lower dies, the upper pressing die is clamped on the bar through the pressing rod, the cylinder is started, the pressing rod is pressed down to apply pressure to the bar, and the purpose of correcting the bar is achieved. In addition, the special machine is provided with wheels, so that the special machine is flexible and convenient to move, is suitable for different work sites, and reduces the running of bars.

Above-mentioned scheme has solved the mode inefficiency of artifical alignment bar among the prior art and has caused the problem of damage to the bar easily to a certain extent, but this scheme still has a great deal of not enoughly, for example: the equipment has complex structure, high cost, inconvenient operation and poor use effect.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a reasonable in design, use convenient a bar location alignment mechanism for centerless lathe is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this a bar location alignment mechanism for centerless lathe, including installing the assembly grillage on centerless lathe, assembly grillage one side is equipped with bar input assembly, and assembly grillage both ends are equipped with the bar output assembly that is used for the bar output after the alignment, assembly grillage downside is equipped with the bar location structure with bar input assembly interconnect, and assembly grillage upside is equipped with the sliding connection device that can follow assembly grillage vertical lift, the last releasable connection of sliding connection device has the bar alignment subassembly of the setting that corresponds with bar location structure, bar location structure both ends are equipped with bar closing device. The bar positioning structure used for receiving the bar is arranged on the lower side of the assembling plate frame, the bar is positioned, the two ends of the bar are compressed through the bar compressing device, the sliding connection device arranged on the upper side of the assembling plate frame is used for driving the bar straightening component to move towards the bar positioning structure, and the bar straightening component and the bar positioning structure are tightly closed to realize the straightening of the bar, so that the assembling device is simple in structure, convenient to operate and good in using effect.

In the above rod positioning and straightening mechanism for the centerless lathe, one end of the sliding connection device is slidably arranged in the lifting guide groove on the assembly plate frame, the upper side of the sliding connection device is connected with a hydraulic cylinder capable of driving the sliding connection device to vertically move along the lifting guide groove, and the sliding connection devices are respectively arranged at two ends of the assembly plate frame. The setting up of lift guide way can make sliding connection device keep vertical motion, prevents that bar alignment subassembly from producing the slope and influencing the alignment effect.

In foretell a bar location alignment mechanism for centerless lathe, sliding connection device is including sliding the linkage slider that sets up in the lift guide way, and linkage slider one end orientation is kept away from lift guide way direction level and is extended and be equipped with alignment roof beam installation spout in the bottom, and alignment roof beam installation spout inner wall both sides are equipped with a plurality of levels and set up alignment roof beam location block. The setting up of alignment roof beam installation spout and alignment roof beam locating block makes bar alignment subassembly installation more convenient, and stability is good moreover.

In foretell a bar location alignment mechanism for centerless lathe, bar alignment subassembly is including the alignment roof beam connecting seat of slip grafting in alignment roof beam installation spout, alignment roof beam connecting seat both sides be equipped with the spread groove that alignment roof beam location block one-to-one set up, and alignment roof beam connecting seat downside is equipped with the alignment groove that is half circular, and alignment groove circumference inner wall is equipped with the alignment protection and fills up. The setting of alignment protection pad can prevent to produce the condition that rigid contact leads to bar wearing and tearing between alignment groove and the bar.

In foretell a bar location alignment mechanism for centerless lathe, bar location structure is including the fixed location base that sets up on the assembly grillage, location base upper end is equipped with and corresponds the bar constant head tank that sets up and be semicircle form with the alignment groove, and bar constant head tank circumference inner wall is equipped with the roof pressure protection pad. The positioning protection pad can prevent rigid extrusion between the bar stock and the bar stock positioning groove, and damage is avoided.

In foretell a bar location alignment mechanism for centerless lathe, bar closing device drives actuating cylinder including setting up the lift of keeping away from bar location structure one side at the assembly grillage, and the lift drives actuating cylinder and is connected with the linkage pressure strip that is the level setting, and linkage pressure strip one end is passed the direction spout that sets up on the assembly grillage and the bottom is equipped with the arc that corresponds the setting with the location base and is compressed tightly location portion, and the arc compresses tightly location portion both sides and is equipped with grafting portion. The arc-shaped pressing and positioning part can be used for pressing and positioning the bar in advance, so that the bar is prevented from rotating in the straightening process.

In the above rod positioning and straightening mechanism for a centerless lathe, the positioning base is provided with insertion grooves for the insertion parts to be inserted on two sides of the rod positioning groove. And the radian of the arc-shaped pressing positioning part is greater than that of the bar positioning groove. The arrangement can effectively compress the bar stock.

In the above rod positioning and straightening mechanism for the centerless lathe, the rod input assembly includes a conveying roller with one end connected to the positioning base, one end of the conveying roller is supported by the bracket, and the upper end surface of the conveying roller is flush with the positioning base. Thus, the bar stock can conveniently rotate and fall into the bar stock positioning groove.

In foretell a bar location aligning gear for centerless lathe, bar output subassembly sets up the driving roller at assembly grillage both ends, is equipped with the conveyer belt between the driving roller, and the conveyer belt middle part sets up in the bar constant head tank. Thus, the straightened bar stock can be conveniently sent out of the bar stock positioning groove.

In the above rod positioning and straightening mechanism for the centerless lathe, two ends of the straightening beam mounting chute are provided with sliding insertion openings.

Compared with the prior art, the utility model has the advantages of: reasonable in design, moreover, the steam generator is simple in structure, through setting up bar alignment subassembly at assembly grillage upside, and set up the bar location structure that corresponds the setting with bar alignment subassembly at the downside, utilize bar input assembly to carry the bar to the bar constant head tank in, and compress tightly location portion through the arc and carry out the chucking location, utilize hydraulic cylinder drive linkage slider to drive alignment roof beam connecting seat vertical migration, carry out whole alignment through alignment groove 63 to the bar, and the steam generator is simple in operation, high durability and convenient use.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic position diagram of the bar pressing device of the present invention;

fig. 4 is a schematic diagram of a bar positioning structure of the present invention.

In the figure, the assembling plate frame 1, the lifting guide groove 11, the hydraulic cylinder 12, the bar input component 2, the conveying roller 21, the bracket 22, the bar output component 3, the driving roller 31, the conveying belt 32, the bar positioning structure 4, the positioning base 41, the bar positioning groove 42, the jacking protection pad 43, the insertion groove 44, the sliding connection device 5, the linkage sliding block 51, the straightening beam installation sliding groove 52, the straightening beam positioning block 53, the bar straightening component 6, the straightening beam connecting seat 61, the connecting groove 62, the straightening groove 63, the straightening protection pad 64, the bar pressing device 7, the lifting driving cylinder 71, the linkage pressing plate 72, the guide sliding groove 73, the arc pressing positioning part 74 and the insertion part 75 are arranged.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the bar positioning and aligning mechanism for the centerless lathe comprises an assembly plate rack 1 installed on the centerless lathe, a bar input assembly 2 is arranged on one side of the assembly plate rack 1, bar output assemblies 3 used for outputting bars after alignment are arranged at two ends of the assembly plate rack 1, a bar positioning structure 4 connected with the bar input assembly 2 is arranged on the lower side of the assembly plate rack 1, a sliding connection device 5 capable of vertically lifting along the assembly plate rack 1 is arranged on the upper side of the assembly plate rack 1, a bar aligning assembly 6 corresponding to the bar positioning structure 4 is detachably connected to the sliding connection device 5, and bar compressing devices 7 are arranged at two ends of the bar positioning structure 4. Carry bar to bar location structure 4 through bar input module 2, utilize bar closing device 7 to fix a position the bar both ends, straighten the bar through bar alignment subassembly 6, shift out bar location structure 4 through bar output module 3 with the bar after the alignment is accomplished.

Wherein, 5 one end of sliding connection device slides and sets up in the lift guide way 11 on assembly grillage 1, and 5 upsides of sliding connection device are connected with hydraulic cylinder 12 that can drive 5 vertical motions of sliding connection device along lift guide way 11, and sliding connection device 5 sets up respectively at assembly grillage 1 both ends. The hydraulic cylinder 12 is fixed on the assembly plate frame 1, and the two ends of the assembly plate frame 1 are both provided with the sliding connection devices 5, so that the straightening force is kept uniform.

As can be seen, the sliding connection device 5 includes a linkage slider 51 slidably disposed in the lifting guide slot 11, one end of the linkage slider 51 extends horizontally toward the direction away from the lifting guide slot 11 and is provided with an alignment beam mounting chute 52 at the bottom, and two sides of the inner wall of the alignment beam mounting chute 52 are provided with a plurality of alignment beam positioning blocks 53 horizontally disposed.

Obviously, bar alignment subassembly 6 includes alignment beam connecting seat 61 of slip grafting in alignment beam installation spout 52, and alignment beam connecting seat 61 both sides are equipped with the connecting groove 62 that sets up with alignment beam locating block 53 one-to-one, and alignment beam connecting seat 61 downside is equipped with alignment groove 63 that is half circular, and alignment groove 63 circumference inner wall is equipped with alignment protection pad 64. The straightening beam connecting seat 61 is inserted into the straightening beam mounting sliding groove 52 after being inserted into the straightening beam positioning block body 53 through the connecting groove 62 for positioning.

Further, bar location structure 4 is including the fixed location base 41 that sets up on assembly grillage 1, location base 41 upper end is equipped with and corresponds the setting with alignment groove 63 and be the bar positioning groove 42 of semicircle form, and bar positioning groove 42 circumference inner wall is equipped with the roof pressure protection pad 43. The bar stock positioning groove 42 and the alignment groove 63 are matched with each other to realize alignment of the bar stock.

Specifically, bar closing device 7 drives actuating cylinder 71 including setting up the lift that keeps away from bar location structure 4 one side at assembly grillage 1, and lift drives actuating cylinder 71 and is connected with the linkage pressure strip 72 that is the level setting, and linkage pressure strip 72 one end is passed the direction spout 73 that sets up on assembly grillage 1 and the bottom is equipped with the arc that corresponds the setting with location base 41 and is compressed tightly location portion 74, and the arc compresses tightly location portion 74 both sides and is equipped with grafting portion 75. The circumferential inner side of the arc-shaped pressing and positioning part 74 is provided with a bar fixing part for clamping the bar.

Furthermore, the positioning base 41 is provided with insertion grooves 44 for the insertion of the insertion portions 75 at two sides of the bar positioning groove 42. And the arc of the arc compacting positioning part 74 is greater than the arc of the bar positioning groove 42.

More specifically, the bar input assembly 2 includes a conveying roller 21 having one end connected to the positioning base 41, the conveying roller 21 having one end supported by a bracket 22, and the upper end surface of the conveying roller 21 being flush with the positioning base 41.

In detail, the bar output assembly 3 is arranged on the driving rollers 31 at the two ends of the assembling plate frame 1, the conveying belt 32 is arranged between the driving rollers 31, and the middle part of the conveying belt 32 is arranged in the bar positioning groove 42. When the bar enters the bar positioning groove 42, the conveyer belt 32 is located at the bottom of the bar and is semicircular to fit the inner wall of the bar positioning groove 42.

Preferably, the straightening beam mounting chute 52 has a sliding plug opening at both ends.

In summary, the principle of the present embodiment is: carry the bar to the bar constant head tank 42 in through conveying roller 21, it moves down to drive actuating cylinder 71 drive arc and compresses tightly location portion 74, make grafting portion 75 insert inserting groove 44, and the bar fixed part carries out the joint to the bar and fixes, thereby hydraulic cylinder 12 drive linkage slider 51 moves down and makes the alignment of laminating realization to the bar between alignment groove 63 and the bar constant head tank 42, linkage slider 51 drives alignment groove 63 and resets after the alignment is accomplished, it drives actuating cylinder 71 and drives arc and compresses tightly location portion 74 and resets to go up and down, the bar after the alignment is accomplished shifts out bar constant head tank 42 through conveyer belt 32.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the assembling plate frame 1, the lifting guide groove 11, the hydraulic cylinder 12, the bar input assembly 2, the conveying roller 21, the support 22, the bar output assembly 3, the driving roller 31, the conveying belt 32, the bar positioning structure 4, the positioning base 41, the bar positioning groove 42, the pressing protection pad 43, the insertion groove 44, the sliding connection device 5, the linkage slider 51, the alignment beam installation sliding groove 52, the alignment beam positioning block 53, the bar alignment assembly 6, the alignment beam connecting seat 61, the connecting groove 62, the alignment groove 63, the alignment protection pad 64, the bar pressing device 7, the lifting driving cylinder 71, the linkage pressing plate 72, the guide sliding groove 73, the arc-shaped pressing positioning portion 74, the insertion portion 75, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. The utility model provides a bar location alignment mechanism for centerless lathe, is including installing assembly grillage (1) on centerless lathe, assembly grillage (1) one side be equipped with bar input subassembly (2), and assembly grillage (1) both ends are equipped with bar output subassembly (3) that are used for the bar output after the alignment, a serial communication port, assembly grillage (1) downside be equipped with bar input subassembly (2) interconnect's bar location structure (4), and assembly grillage (1) upside is equipped with sliding connection device (5) that can follow assembly grillage (1) vertical lift, sliding connection device (5) go up releasable connection have bar alignment subassembly (6) with the setting that bar location structure (4) correspond, bar location structure (4) both ends be equipped with bar closing device (7).

2. The bar positioning and straightening mechanism for the centerless lathe according to claim 1, wherein one end of the sliding connection device (5) is slidably disposed in the lifting guide slot (11) of the assembling plate frame (1), a hydraulic cylinder (12) capable of driving the sliding connection device (5) to vertically move along the lifting guide slot (11) is connected to the upper side of the sliding connection device (5), and the sliding connection devices (5) are respectively disposed at two ends of the assembling plate frame (1).

3. The bar positioning and straightening mechanism for the centerless lathe according to claim 2, wherein the sliding connection device (5) comprises a linkage sliding block (51) slidably arranged in the lifting guide groove (11), one end of the linkage sliding block (51) horizontally extends towards the direction away from the lifting guide groove (11) and is provided with a straightening beam mounting sliding groove (52) at the bottom, and a plurality of horizontally arranged straightening beam positioning blocks (53) are arranged on two sides of the inner wall of the straightening beam mounting sliding groove (52).

4. The bar positioning and straightening mechanism for the centerless lathe according to claim 3, wherein the bar straightening assembly (6) comprises a straightening beam connecting seat (61) slidably inserted into the straightening beam mounting sliding groove (52), connecting grooves (62) corresponding to the straightening beam positioning blocks (53) one by one are formed on two sides of the straightening beam connecting seat (61), a semicircular straightening groove (63) is formed on the lower side of the straightening beam connecting seat (61), and a straightening protection pad (64) is arranged on the circumferential inner wall of the straightening groove (63).

5. The bar positioning and straightening mechanism for the centerless lathe according to claim 4, wherein the bar positioning structure (4) comprises a positioning base (41) fixedly arranged on the assembling plate frame (1), a semicircular bar positioning groove (42) corresponding to the straightening groove (63) is arranged at the upper end of the positioning base (41), and a jacking protective pad (43) is arranged on the circumferential inner wall of the bar positioning groove (42).

6. The bar positioning and straightening mechanism for the centerless lathe according to claim 5, wherein the bar pressing device (7) comprises a lifting driving cylinder (71) which is arranged on one side of the assembling plate frame (1) far away from the bar positioning structure (4), the lifting driving cylinder (71) is connected with a linkage pressing plate (72) which is horizontally arranged, one end of the linkage pressing plate (72) penetrates through a guide chute (73) arranged on the assembling plate frame (1) and the bottom of the linkage pressing plate (72) is provided with an arc pressing positioning part (74) correspondingly arranged with the positioning base (41), and two sides of the arc pressing positioning part (74) are provided with inserting parts (75).

7. The rod positioning and straightening mechanism for the centerless lathe as claimed in claim 6, wherein the positioning base (41) is provided with insertion grooves (44) for the insertion of the insertion parts (75) at two sides of the rod positioning groove (42), and the radian of the arc-shaped pressing positioning part (74) is greater than that of the rod positioning groove (42).

8. The rod positioning and straightening mechanism for the centerless lathe according to claim 5, wherein the rod input assembly (2) comprises a conveying roller (21) with one end connected with the positioning base (41), one end of the conveying roller (21) is supported by a bracket (22), and the upper end surface of the conveying roller (21) is flush with the positioning base (41).

9. The rod positioning and straightening mechanism for the centerless lathe according to claim 4, wherein the rod output assembly (3) comprises driving rollers (31) arranged at two ends of the assembling plate frame (1), a conveying belt (32) is arranged between the driving rollers (31), and the middle part of the conveying belt (32) is arranged in the rod positioning groove (42).

10. The bar stock positioning and straightening mechanism for the centerless lathe as claimed in claim 3, wherein the straightening beam mounting chute (52) has sliding insertion openings at both ends.