CN213915903U

CN213915903U - Bending structure of coiling machine

Info

Publication number: CN213915903U
Application number: CN202022680300.2U
Authority: CN
Inventors: 朱钟勇
Original assignee: Zhejiang Yinfeng Automation Technology Co ltd
Current assignee: Zhejiang Yinfeng Automation Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-10
Anticipated expiration: 2030-11-18

Abstract

The utility model provides a bending structure of coiling machine belongs to spring production facility technical field. The novel rotary table shaft solves the problems that when the existing rotary table shaft is stressed greatly, shaking can occur, errors exist in installation of the rotary table shaft and a driven gear, and the precision of a bent product is low. The utility model discloses a seat and the center pin of setting on the seat of bending of rotation setting carousel axle, the fixed setting on the seat of bending still are equipped with a driving motor and are used for driving the carousel axle and rotate on the seat of bending, and the fixed driving gear that is equipped with on driving motor's the output shaft, the epaxial fixed driven gear that is equipped with of carousel and this driving gear meshing, driven gear and carousel axle integrated into one piece. The utility model has the advantages of through with carousel axle and driven gear integrated into one piece, guarantee carousel axle and driven gear's concentricity, through adding in the inside and outside of carousel axle and establishing a plurality of bearings, the carousel axle is supported to the multiple spot, avoids the carousel axle to rock because of the too big production of atress, improves the precision of product.

Description

Bending structure of coiling machine

Technical Field

The utility model belongs to the technical field of spring production facility, a bending structure of coiling machine is related to.

Background

The spring machine is a processing machine for producing springs and bending and forming spring wires. At present, one end of coiled spring steel is pulled out and conveyed forwards by a common spring machine on the market, a turntable shaft is arranged on the spring machine in a rotating mode, a bending column is arranged on the turntable shaft, and after the spring steel is conveyed forwards for a certain distance, the bending column rotates for a certain angle to bend the spring steel, so that the strip-shaped spring steel is bent into a rectangular shape or other polygonal shapes or even special-shaped shapes.

The spring machine is provided with a driving motor which drives a driving gear to rotate, the driving gear is meshed with a driven gear, and the driven gear is fixedly connected with the turntable shaft and drives the turntable shaft to rotate. Only one bearing is arranged on a turntable shaft of a spring machine in the current market, and the turntable shaft can shake when being stressed greatly; and this carousel axle and driven gear installation or add the precision error that exists, lead to driven gear and carousel axle offset, when driving motor rotated, the carousel axle can eccentric rotation, lead to the product precision after buckling not high.

The spring machine is provided with a central shaft at the center of the turntable, the central shaft penetrates out of the center of the turntable shaft and is fixed with the machine body of the spring machine, a limiting component for fixing and limiting spring steel is arranged on the upper end face of the central shaft, a guide groove is formed in the limiting component, and the spring steel penetrates through the guide groove and is bent after rotating through the bending column.

Because long-time work, the wearing and tearing take place for spring steel and spacing subassembly, if change whole center pin can make part replacement cost too high, some processing units can add the longer size of center pin in advance at present, after the spacing subassembly of center pin takes place to wear and tear, lift off the center pin, mill the position that wears out, a new spacing subassembly of reprocess again, although part replacement cost has been practiced thrift to this kind of mode, but at every turn the change all need be reprocessed, the change step is comparatively loaded down with trivial details, and work efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the bending structure of the existing spring machine, and providing a bending structure which is convenient for replacing and saves the replacement cost of parts of a central shaft and has high rotation precision of a turntable shaft.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a bending structure of coiling machine, includes the seat of bending and rotates carousel axle, the fixed center pin that sets up on the seat of bending of setting on the seat of bending, still be equipped with a driving motor on the seat of bending and be used for driving the carousel axle and rotate, its characterized in that, the center pin include fixed axial region and removable head, fixed axial region links firmly with the seat of bending, removable head can dismantle with fixed axial region and be connected, is equipped with the spacing subassembly that can supply the spring steel to pass through on the removable head, is equipped with a location structure between removable head and the fixed axial region, driving motor's output shaft on the fixed driving gear that is equipped with, the epaxial fixed driven gear that is equipped with of carousel meshes with this driving gear, driven gear and carousel axle integrated into one piece.

In the bending structure of the spring machine, the positioning structure comprises positioning columns, two positioning groove holes are respectively formed in two end faces of the detachable head part, which are opposite to the fixed shaft part, and the positioning columns are clamped in the two positioning groove holes to limit radial deviation of the detachable head part and the fixed shaft part.

In the bending structure of the spring machine, the lower end face of the detachable head portion is provided with a positioning clamping groove, the upper end face of the fixed shaft portion is provided with a positioning boss corresponding to the positioning clamping groove in position, the positioning boss is clamped in the positioning clamping groove, and the shape of the positioning boss is matched with that of the positioning clamping groove.

In the bending structure of a coiling machine, the limiting assembly comprises two symmetrical first limiting blocks and two symmetrical second limiting blocks, the first limiting blocks and the second limiting blocks are fixedly arranged on the upper end face of the detachable head, the distance between the two first limiting blocks is the same as that between the two second limiting blocks, and the two distances form a feeding channel for spring steel to pass through.

In the bending structure of the spring machine, the upper end surface and the lower end surface of the turntable shaft are both provided with first bearing holes, the two first bearing holes are respectively provided with a first bearing, the first bearings are sleeved on the fixed shaft part, the bending seat is internally provided with two second bearing holes which are spaced up and down, and the two second bearings are sleeved on the turntable shaft.

In the bending structure of a coiling machine, be equipped with a fixed subassembly on the seat of bending and be used for fixed center pin, this fixed subassembly includes mounting and retaining member, the mounting links firmly with the seat of bending, all opens the circular arc hole that sets up with the center pin is concentric on mounting and the retaining member, and this circular arc hole is worn out to the lower extreme of center pin, the retaining member passes through the fastener and fixes the central axis locking in two circular arc holes.

In the bending structure of the spring machine, a gap is reserved between two opposite end faces of the fixing piece and the locking piece. The situation that the two opposite end faces of the fixing piece and the locking piece are abutted but the central shaft is not locked is avoided.

In the bending structure of the spring machine, the upper end of the turntable shaft is fixedly provided with a connecting sleeve, the connecting sleeve is detachably connected with a fixing ring, and the fixing ring is fixedly provided with two bending columns.

Compared with the prior art, the utility model has the advantages that the central shaft is divided into the fixed shaft part and the detachable head part, the fixed shaft part is fixedly connected with the bending seat, the limiting component is arranged on the detachable head part, and the detachable head part can be detached and replaced after the limiting component is worn for a period of time, so that the replacement cost of parts is saved, and the working efficiency is improved; through with carousel axle and driven gear integrated into one piece, guarantee carousel axle and driven gear's concentricity, establish a plurality of bearings through adding in the inside and outside of carousel axle, the carousel axle is supported to the multiple spot, avoids the carousel axle to rock because of the too big production of atress, improves the precision of product.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

fig. 2 is a general cross-sectional view of the present invention;

fig. 3 is a schematic view of the positioning structure of the present invention;

fig. 4 is a schematic structural diagram of the fixing assembly of the present invention.

In the figure, 1, a bending seat; 2. a turntable shaft; 3. a central shaft; 4. a fixed shaft portion; 5. a detachable head; 6. a positioning column; 7. positioning the clamping groove; 8. positioning the boss; 9. a first stopper; 10. a second limiting block; 11. bending the column; 12. a drive motor; 13. a driving gear; 14. a driven gear; 15. a fixing member; 16. a locking member; 17. a first bearing; 18. a second bearing; 19. connecting sleeves; 20. and (4) fixing the ring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, a bending structure of coiling machine, including bending seat 1 and rotate carousel axle 2, the fixed center pin 3 that sets up on bending seat 1 that sets up, still be equipped with a driving motor 12 on bending seat 1 and be used for driving carousel axle 2 and rotate, center pin 3 includes fixed axial region 4 and removable head 5, fixed axial region 4 links firmly with bending seat 1, removable head 5 can be dismantled with fixed axial region 4 and be connected, is equipped with the spacing subassembly that can supply the spring steel to pass through on the removable head 5, spacing subassembly uses after the wearing and tearing of a period, can pull down removable head 5 and change, has both practiced thrift the replacement cost of part, has improved work efficiency again.

As shown in fig. 3, a positioning structure is disposed between the detachable head portion 5 and the fixed shaft portion 4, the positioning structure includes a positioning column 6, two end faces of the detachable head portion 5 opposite to the fixed shaft portion 4 are respectively provided with a positioning slot hole, the positioning column 6 is clamped in the two positioning slot holes to limit radial deviation between the detachable head portion 5 and the fixed shaft portion 4. The detachable head part 5 is provided with a positioning clamping groove 7 on the lower end face, the upper end face of the fixed shaft part 4 is provided with a positioning boss 8 corresponding to the positioning clamping groove 7, the positioning boss 8 is clamped in the positioning clamping groove 7, and the shape of the positioning boss 8 is matched with that of the positioning clamping groove 7.

The limiting assembly comprises two symmetrical first limiting blocks 9 and two symmetrical second limiting blocks 10, the first limiting blocks 9 and the second limiting blocks 10 are fixedly arranged on the upper end face of the detachable head portion 5, the distance between the two first limiting blocks 9 is the same as that between the two second limiting blocks 10, and the two distances form a feeding channel for spring steel to pass through. The upper end of the turntable shaft 2 is fixedly provided with a connecting sleeve 19, the connecting sleeve 19 is detachably connected with a fixing ring 20, and the fixing ring 20 is fixedly provided with two bending columns 11. The spring steel passes through the feeding channel, the driving motor 12 drives the turntable shaft 2 to rotate, and the bending column 11 bends and forms the spring steel.

As shown in fig. 2, a driving gear 13 is fixedly disposed on an output shaft of the driving motor 12, a driven gear 14 is fixedly disposed on the turntable shaft 2 and engaged with the driving gear 13, and the driven gear 14 and the turntable shaft 2 are integrally formed to ensure concentricity of the turntable shaft 2 and the driven gear 14. The upper end face and the lower end face of the turntable shaft 2 are both provided with first bearing holes, the two first bearing holes are respectively provided with a first bearing 17, the first bearing 17 is sleeved on the fixed shaft part 4, the bending seat 1 is internally provided with two second bearing holes which are spaced up and down, the two second bearings 18 are sleeved on the turntable shaft 2, a plurality of bearings are additionally arranged inside and outside the turntable shaft 2, the turntable shaft 2 is supported at multiple points, the turntable shaft 2 is prevented from shaking due to overlarge stress, and the precision of a product is improved.

As shown in fig. 4, be equipped with a fixed subassembly on the seat of bending 1 and be used for fixed center pin 3, this fixed subassembly includes mounting 15 and retaining member 16, mounting 15 links firmly with seat of bending 1, all opens the circular arc hole that has set up with center pin 3 is concentric on mounting 15 and the retaining member 16, and this circular arc hole is worn out to center pin 3's lower extreme, retaining member 16 passes through the fastener and fixes center pin 3 locking in two circular arc holes. A gap is left between the two opposite end faces of the fixing member 15 and the locking member 16. The situation is avoided in which the opposite end faces of the securing member 15 and the locking member 16 abut, but the central shaft 3 is not locked.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

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.

Claims

1. A bending structure of a spring machine comprises a bending seat (1), a turntable shaft (2) rotatably arranged on the bending seat (1), and a central shaft (3) fixedly arranged on the bending seat (1), wherein the bending seat (1) is also provided with a driving motor (12) for driving the turntable shaft (2) to rotate, and the bending structure is characterized in that the central shaft (3) comprises a fixed shaft part (4) and a detachable head part (5), the fixed shaft part (4) is fixedly connected with the bending seat (1), the detachable head part (5) is detachably connected with the fixed shaft part (4), the detachable head part (5) is provided with a limiting component for spring steel to pass through, a positioning structure is arranged between the detachable head part (5) and the fixed shaft part (4), an output shaft of the driving motor (12) is fixedly provided with a driving gear (13), the turntable shaft (2) is fixedly provided with a driven gear (14) which is meshed with the driving gear (13), the driven gear (14) and the turntable shaft (2) are integrally processed and molded.

2. The bending structure of a spring machine according to claim 1, wherein the positioning structure comprises positioning posts (6), two end faces of the detachable head portion (5) opposite to the fixed shaft portion (4) are respectively provided with a positioning slot hole, and the positioning posts (6) are clamped in the two positioning slot holes to limit radial deviation of the detachable head portion (5) and the fixed shaft portion (4).

3. The bending structure of a spring machine according to claim 1, wherein a positioning clamping groove (7) is formed in the lower end face of the detachable head portion (5), a positioning boss (8) corresponding to the positioning clamping groove (7) is arranged on the upper end face of the fixed shaft portion (4), the positioning boss (8) is clamped in the positioning clamping groove (7), and the shape of the positioning boss (8) is matched with the shape of the positioning clamping groove (7).

4. The bending structure of a spring machine according to claim 1, characterized in that the limiting assembly comprises two symmetrical first limiting blocks (9) and two symmetrical second limiting blocks (10), the first limiting blocks (9) and the second limiting blocks (10) are fixedly arranged on the upper end face of the detachable head portion (5), the distance between the two first limiting blocks (9) is the same as the distance between the two second limiting blocks (10), and the two distances form a feeding channel for spring steel to pass through.

5. The bending structure of a spring machine according to claim 1, wherein the upper and lower end surfaces of the turntable shaft (2) are respectively provided with a first bearing hole, the two first bearing holes are respectively provided with a first bearing (17), the first bearings (17) are sleeved on the fixed shaft part (4), the bending base (1) is internally provided with two second bearing holes which are spaced up and down, and the two second bearings (18) are sleeved on the turntable shaft (2).

6. The bending structure of a spring machine according to claim 1, wherein a fixing component is arranged on the bending seat (1) and used for fixing the central shaft (3), the fixing component comprises a fixing member (15) and a locking member (16), the fixing member (15) is fixedly connected with the bending seat (1), circular arc holes concentric with the central shaft (3) are formed in the fixing member (15) and the locking member (16), the lower end of the central shaft (3) penetrates through the circular arc holes, and the locking member (16) locks and fixes the central shaft (3) in the two circular arc holes through a fastening member.

7. Bending structure for spring machine according to claim 6, characterized in that a gap is left between the opposite end faces of said fixing element (15) and locking element (16).

8. The bending structure of a spring machine according to claim 1, characterized in that a connecting sleeve (19) is fixedly arranged at the upper end of the turntable shaft (2), a fixing ring (20) is detachably connected to the connecting sleeve (19), and two bending columns (11) are fixedly arranged on the fixing ring (20).