CN217798683U

CN217798683U - Shaping cutting structure for spring

Info

Publication number: CN217798683U
Application number: CN202221493837.0U
Authority: CN
Inventors: 杨关根
Original assignee: Suzhou Zhongyin Spring Manufacture Co ltd
Current assignee: Suzhou Zhongyin Spring Manufacture Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-15
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to a shaping cutting structure for spring, it includes: the wire inlet assembly comprises a vertical plate, a carrying disc fixed on one side of the vertical plate, a wire inlet column rotatably installed on one side of the carrying disc and a wire inlet hole penetrating through the wire inlet column, the carrying disc and the vertical plate; the spring making assembly is arranged on one side, far away from the vertical plate, of the loading disc and comprises a lifting plate arranged on one side of the vertical plate in a lifting mode, a movable plate movably arranged on the lifting plate, a forming cutter and a cutting knife which are fixed at the bottom of the movable plate, and a driving unit which is fixed on the lifting plate and used for driving the movable plate to move; the utility model discloses the shaping cutting structure for the spring is together fixed cutter and shaping sword on the movable plate, has greatly saved the usable floor area of system spring machine, also correspondingly has increased the distance of the adjacent work cell of system spring machine simultaneously, avoids appearing the condition that spring and work cell take place to interfere.

Description

Molding cutting structure for spring

Technical Field

The utility model belongs to the technical field of the spring processing, concretely relates to shaping cutting structure for spring.

Background

The spring is a mechanical part which works by utilizing elasticity, deforms under the action of external force, recovers the original shape after the external force is removed, and is generally made of spring steel; the spring has a wide application range and relates to a plurality of fields such as machinery, chemical engineering, detection, military industry and the like.

The spring is made by a spring making machine, and the spring making machine is distributed with a diameter-changing mechanism, a pitch-changing mechanism, a forming mechanism, a cutting mechanism and the like, so that the working space reserved on the existing spring making machine is extremely small, when a large-size spring is processed, the spring is easy to interfere with peripheral working mechanisms, peripheral workers are damaged, and the safety coefficient is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shaping cutting structure for spring in order to overcome prior art not enough.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a form cutting structure for a spring, comprising:

the wire inlet assembly comprises a vertical plate, a carrying disc fixed on one side of the vertical plate, a wire inlet column rotatably installed on one side of the carrying disc, and a wire inlet hole penetrating through the wire inlet column, the carrying disc and the vertical plate;

the spring making assembly is arranged on one side, away from the vertical plate, of the carrying disc and comprises a lifting plate arranged on one side of the vertical plate in a lifting mode, a movable plate movably arranged on the lifting plate, a forming cutter and a cutter which are fixed at the bottom of the movable plate, and a driving unit which is fixed on the lifting plate and used for driving the movable plate to move.

Optimally, the inlet wire subassembly is still including seting up rotatory groove and rotation on carrying the dish are installed rotating part in the rotatory inslot, inlet wire post body coupling is in on the rotating part, the entrance hole runs through the rotating part.

Preferably, the spring-making assembly further comprises a first slide rail fixed on the carrying disc and a first slide block slidably mounted on the first slide rail, and the lifting plate is fixed on the first slide block.

Preferably, the driving unit comprises a case fixed on one side of the lifting plate, a moving groove formed in a bottom plate of the case, and a ball screw rotatably mounted in the case.

Optimally, the driving unit further comprises a driving gear and a driven gear which are rotatably installed on one side of the case, a conveying belt wound on the driving gear and the driven gear, convex teeth which are arranged on the inner side of the conveying belt and meshed with the driving gear and the driven gear, and a servo motor which is fixed in the case and used for driving the driving gear to rotate, wherein the ball screw is connected with the driven gear.

Preferably, the diameter of the driving gear is smaller than the diameter of the driven gear.

Preferably, the forming cutter comprises a cutter body and a forming part arranged at the bottom of the cutter body.

Optimally, the cutter includes the cutter body, sets up the arcwall face and the chip surface of cutter body bottom and connection the cutting edge of arcwall face and chip surface.

Optimally, the material of the conveying belt and the convex teeth is rubber.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses the shaping cutting structrual installation is on current system spring machine for the spring, fixes cutter and shaping sword together on the movable plate, controls the transfer of shaping sword and cutter through drive unit, has greatly saved the usable floor area of system spring machine, has also correspondingly increased the distance of the adjacent work unit of system spring machine simultaneously, and when processing the spring, the workspace of reserving out is bigger, avoids appearing the condition that spring and work unit take place to interfere, has improved factor of safety.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the inlet wire assembly of the present invention;

fig. 3 is a schematic structural view of the spring-making assembly of the present invention;

fig. 4 is a front view of the spring making assembly of the present invention;

fig. 5 is a left side view of the spring making assembly of the present invention;

fig. 6 is a schematic view of a partial structure of the spring-making assembly of the present invention;

FIG. 7 is a schematic structural view of the forming knife of the present invention;

fig. 8 is a schematic structural view of the cutter of the present invention;

fig. 9 is a schematic structural view of another angle of the cutter of the present invention;

description of reference numerals:

1. a wire inlet assembly; 101. a vertical plate; 102. a carrying disc; 103. a rotating tank; 104. a rotating part; 105. a wire inlet column; 106. a wire inlet hole;

2. a spring making assembly; 201. a first slide rail; 202. a first slider; 203. a lifting plate; 204. a chassis; 205. A servo motor; 206. a driving gear; 207. a driven gear; 208. a conveyor belt; 209. convex teeth; 210. A ball screw; 211. a moving groove; 212. moving the plate; 213. a second slide rail; 214. a second slider; 215. Forming a cutter; 2151. forming a cutter body; 2152. a molding section; 216. a cutter; 2161. a cutter body; 2162. an arc-shaped surface; 2163. chip removal surfaces; 2164. a cutting edge.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

As shown in fig. 1, for the utility model discloses the structure schematic diagram of shaping cutting structure for spring, it is fixed on the surface of system spring machine, accomplishes the processing of spring (generally used for processing compression spring) jointly with other work units on the system spring machine, and it includes inlet wire subassembly 1 and system spring subassembly 2.

As shown in fig. 2, it is a schematic structural diagram of a wire inlet assembly 1, which is used for feeding a spring wire, and comprises a vertical plate 101, a loading disc 102, a rotary slot 103, a rotary part 104, a wire inlet post 105 and a wire inlet hole 106. The vertical plate 101 is vertically fixed on a machine table of the spring making machine in a welding mode. The carrier plate 102 is fixed to the vertical plate 101 by means of screw fastening, and the rotary groove 103 is opened in the carrier plate 102. The rotating part 104 is rotatably installed in the rotating slot 103 (a rotating cylinder is fixed on the other side of the vertical plate 101, the rotating part 104 is fixed on the rotating part of the rotating cylinder through the vertical plate 101, and is rotated by the rotating cylinder, which is not shown in the figure; in this embodiment, the diameter of the rotating part 104 is equal to that of the rotating slot 103, the rotating part 104 is limited by the rotating slot 103 when rotating, so as to ensure coaxial rotation, and the rotating cylinder drives the rotating part 104 not to rotate 360 degrees, but to rotate within the range of 30-50 degrees). The inlet leg 105 is integrally connected to a side of the rotating part 104 away from the vertical plate 101 (the section of the inlet leg 105 is fan-shaped and rotates synchronously with the rotating part 104, and the inlet leg 105 is designed to be fan-shaped, rather than circular, in order to reserve enough processing space and prevent interference with other working units of the spring making machine, which is conventional). The wire inlet hole 106 penetrates through the wire inlet post 105, the rotating part 104 and the vertical plate 101 (the diameter of the spring wire is equal to that of the wire inlet hole 106, the outer spring wire penetrates through the wire inlet hole 106, the spring manufacturing assembly 2 and the spring manufacturing machine are matched to complete the manufacturing of the spring; in the embodiment, the wire inlet post 105 does not rotate during the process of completing the wire inlet of the spring wire and the processing of the spring, only when the manufactured spring is cut off, the rotating part 104 can drive the spring wire and the manufactured spring to rotate downwards by 30-50 degrees, so that after the spring is cut off, the spring is obliquely and downwards ejected into the collecting box and cannot be outwards ejected, the damage to surrounding workers is avoided, and the rotating part 104 drives the spring wire and the manufactured spring to downwards rotate by means of the friction force between the spring wire and the wire inlet hole 106).

As shown in fig. 3-6, the spring manufacturing assembly 2 is a schematic structural diagram, and it is used in cooperation with a spring manufacturing machine to complete the manufacturing of a spring, and it includes a first slide rail 201, a first slide block 202, a lifting plate 203, a driving unit, a moving plate 212, a second slide rail 213, a second slide block 214, a forming knife 215 and a cutting knife 216. The first slide rail 201 is fixed on the carrying disc 102 by a screw fastening mode, and the first slide block 202 is slidably mounted on the first slide rail 201 (the first slide rail 201 is perpendicular to a machine table of the spring making machine). The lifting plate 203 is fixed on the first slider 202 and lifted along the first sliding rail 201 (the driving device for driving the lifting plate 203 to lift may be an existing lifting cylinder, a linear module or a cam mechanism, etc., during the lifting process of the lifting plate 203, the first slider 202 is lifted and lowered synchronously along the first sliding rail 201, and the first slider 202 and the first sliding rail 201 support the lifting plate 203, and at the same time, the friction between the lifting plate 203 and the carrying disc 102 can be reduced).

The moving plate 212 is movably disposed on one side of the lifting plate 203, the driving unit is fixed on the lifting plate 203 and used for driving the moving plate 212 to move, and the driving unit comprises a chassis 204, a servo motor 205, a driving gear 206, a driven gear 207, a conveyor belt 208, a convex tooth 209, a ball screw 210 and a moving groove 211. The chassis 204 is fixed on one side of the lifting plate 203, the driving gear 206 and the driven gear 207 are rotatably installed on the outer side of the chassis 204 (the motor casing of the servo motor 205 is fixed on the inner bottom surface of the chassis 204, the output shaft of the servo motor 205 passes through the chassis 204 and is connected to the driving gear 206 for driving the driving gear 206 to rotate, and the motor shaft of the servo motor 205 is connected with the driving gear 206 through a flat key). The transmission belt 208 is wound between the driving gear 206 and the driven gear 207, and the driven gear 207 is driven to rotate by the driving gear 206 (the inner side of the transmission belt 208 is integrally connected with a convex tooth 209 meshed with a tooth groove of the gear, and the driven gear 207 is driven to rotate by the meshing action of the convex tooth 209 and the tooth groove; in this embodiment, the transmission belt 208 and the convex tooth 209 are made of rubber, because the rubber transmission belt 208 rotates stably in the rotating process, the generated noise is low, the friction force between the transmission belt 208 and the driving gear 206 and the driven gear 207 is low, the tooth groove cannot be worn after long-time use, the diameter of the driving gear 206 is smaller than that of the driven gear 207, and when the servo motor 205 drives the driving gear 206 to rotate at high speed, the large-diameter driven gear 207 can reduce the output rotating speed, so that the moving plate 212 moves more stably).

Ball screw 210 is installed in chassis 204, and links to each other through flat key with driven gear 207 (ball screw 210 is current conventional, and the fixing base at ball screw 210 both ends is fixed on the inside wall of chassis 204, and servo motor 205 drives driving gear 206 and rotates, and under the effect of conveyer belt 208, driven gear 207 synchronous rotation, the ball screw 210 synchronous rotation who links to each other with driven gear 207, and meanwhile, the transfer seat of suit on the lead screw then removes about). The moving groove 211 is opened at the bottom of the cabinet 204, and the moving plate 212 is fixed to the transfer base of the ball screw 210, passes through the moving groove 211, and moves in the moving groove 211. The second slide rail 213 is fixed at the bottom of the chassis 204, and the second slider 214 is slidably mounted on the second slide rail 213 (the moving plate 212 is "L" -shaped, one end of the "L" -shaped moving plate 212 is fixed on the transfer seat of the ball screw 210, and the other end is fixed on the second slider 214. When the ball screw 210 drives the moving plate 212 to move, the second slider 214 fixed on the moving plate 212 moves synchronously along the second slide rail 213, and the second slider 214 and the second slide rail 213 play a role in assisting to support the moving plate 212, so as to reduce the load of the ball screw 210, and prevent the accuracy of the ball screw 210 from being affected after long-time use).

The forming blade 215 and the cutting blade 216 are fixed to the bottom of the moving plate 212, as shown in fig. 7, which is a schematic structural view of the forming blade 215, and includes a forming blade body 2151 and a forming portion 2152. The forming cutter body 2151 is fixed at the bottom of the moving plate 212, the forming portion 2152 is arranged at the bottom of the forming cutter body 2151 and faces the wire inlet column 105, the forming portion 2152 is arc-shaped, the spring wire penetrates through the wire inlet hole 106 and is bent downwards after contacting the forming portion 2152 of the forming cutter 215, the downward bent spring wire contacts other working units (such as a diameter changing unit and a pitch changing unit which are existing structures of a spring making machine, for example, a taiwan newly-achieved CNC-620 numerical control universal spring coiling machine, which is an existing spring making machine, and the bent spring wire is processed into a spring shape after the diameter changing unit and the pitch changing unit are arranged on the spring making machine).

As shown in fig. 8 and 9, the cutter 216 includes a cutter body 2161, an arc face 2162, a chip discharging face 2163 and a cutting edge 2164. The cutter body 2161 is fixed at the bottom of the moving plate 212, the arc-shaped face 2162 and the chip discharging face 2163 are arranged at the bottom of the cutter body 2161, and the chip discharging face 2163 faces the wire inlet column 105 and is used for discharging the chips generated by cutting inwards and preventing the chips from splashing outwards to cause the injury of surrounding workers. A cutting edge 2164 is formed between the arcuate face 2162 and the chip surface 2163 for cutting the finished spring from the spring wire.

The utility model discloses the theory of operation of shaping cutting structure for spring:

firstly, an external driving device drives the lifting plate 203 to descend until the forming part 2152 descends to the wire inlet column 105, the spring wire penetrates through the wire inlet hole 106 and is bent downwards after contacting with the forming part 2152 of the forming knife 215, and the bent spring wire is processed into a spring shape after contacting with other working units on the spring making machine; the spring wire stops being conveyed, the external driving device drives the lifting plate 203 to reset, the driving unit drives the moving plate 212 to move, the cutter 216 is moved to the position of the forming cutter 215, the external driving device continuously drives the lifting plate 203 to descend to cut the manufactured spring from the spring wire (when the cutter 216 descends, the rotating part 104 drives the spring wire and the manufactured spring to rotate downwards by 30-50 degrees, and after the spring is cut off, the spring is obliquely and downwards ejected into the collecting box without being ejected outwards, so that damage to surrounding workers is avoided).

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a shaping cutting structure for spring which characterized in that, it includes:

the wire inlet assembly (1) comprises a vertical plate (101), a carrying disc (102) fixed on one side of the vertical plate (101), a wire inlet column (105) rotatably installed on one side of the carrying disc (102), and a wire inlet hole (106) penetrating through the wire inlet column (105), the carrying disc (102) and the vertical plate (101);

the spring making assembly (2) is arranged on one side, away from the vertical plate (101), of the carrying disc (102), and comprises a lifting plate (203) arranged on one side of the vertical plate (101) in a lifting mode, a moving plate (212) movably arranged on the lifting plate (203), a forming knife (215) and a cutting knife (216) fixed at the bottom of the moving plate (212), and a driving unit which is fixed on the lifting plate (203) and used for driving the moving plate (212) to move.

2. The form-cutting structure for springs as claimed in claim 1, wherein: the wire inlet assembly (1) further comprises a rotating groove (103) formed in the carrying disc (102) and a rotating portion (104) rotatably mounted in the rotating groove (103), the wire inlet post (105) is integrally connected to the rotating portion (104), and the wire inlet hole (106) penetrates through the rotating portion (104).

3. The form-cutting structure for springs as claimed in claim 1, wherein: the spring making assembly (2) further comprises a first sliding rail (201) fixed on the carrier disc (102) and a first sliding block (202) installed on the first sliding rail (201) in a sliding mode, and the lifting plate (203) is fixed on the first sliding block (202).

4. The form-cutting structure for springs as claimed in claim 1, wherein: the driving unit comprises a case (204) fixed on one side of the lifting plate (203), a moving groove (211) formed in the bottom plate of the case (204), and a ball screw (210) rotatably installed in the case (204), wherein the moving plate (212) is fixed on a transfer seat of the ball screw (210) and penetrates through the moving groove (211).

5. The form-cutting structure for springs as claimed in claim 4, wherein: the driving unit further comprises a driving gear (206) and a driven gear (207) which are rotatably installed on one side of the case (204), a conveying belt (208) which is wound on the driving gear (206) and the driven gear (207), convex teeth (209) which are arranged on the inner side of the conveying belt (208) and meshed with the driving gear (206) and the driven gear (207), and a servo motor (205) which is fixed in the case (204) and used for driving the driving gear (206) to rotate, wherein the ball screw (210) is connected with the driven gear (207).

6. The form-cutting structure for springs as claimed in claim 5, wherein: the diameter of the driving gear (206) is smaller than the diameter of the driven gear (207).

7. The form-cutting structure for springs as claimed in claim 1, wherein: the forming knife (215) comprises a forming knife body (2151) and a forming part (2152) arranged at the bottom of the forming knife body (2151).

8. The form-cutting structure for springs as claimed in claim 1, wherein: the cutter (216) comprises a cutter body (2161), an arc-shaped surface (2162) and a chip discharge surface (2163) which are arranged at the bottom of the cutter body (2161), and a cutting edge (2164) connecting the arc-shaped surface (2162) and the chip discharge surface (2163).

9. The form-cutting structure for springs as claimed in claim 5, wherein: the material of the conveyor belt (208) and the convex teeth (209) is rubber.