Spring production device

Abstract

The utility model discloses a spring production device. The spring production device comprises a base frame; the guide wheel assembly is arranged on the base frame and used for guiding and conveying round steel for forming springs; the spring forming assembly is arranged at the tail end of the guide wheel assembly and used for receiving the round steel conveyed by the guide wheel assembly and spirally forming the round steel into a spring, and the spring forming assembly at least comprises a rotating part and a snake core forming part which are coaxially and synchronously rotated; the snake core forming part is arranged in the center of the side, away from the guide wheel assembly, of the rotating part, a spiral groove for round steel forming is formed in the snake core forming part, and the spiral groove of the snake core forming part is sleeved with the auxiliary forming part. The auxiliary forming part and the snake core forming part rotate in opposite directions; the spring spiral forming device can solve the problems that round steel cannot be effectively corrected and conveyed, spring spiral forming is unstable, and production efficiency is low in a traditional spring production device.

Description

Technical Field

[0001] This utility model relates to the field of spring production, specifically to a spring production apparatus. Background Technology

[0002] The inner core of a spring mattress is made up of multiple springs strung together, which are formed by spiraling round steel bars using a spring production device. However, since the round steel bars used to form the springs need to be straightened, current spring production equipment only uses rollers to transport the round steel bars during spring production. This results in poor straightening of bent round steel bars into straight lines, and traditional spring production equipment suffers from unstable spiral forming of springs and low production efficiency. Utility Model Content

[0003] To overcome the above-mentioned shortcomings, the purpose of this utility model is to provide a spring production device.

[0004] To achieve the above objectives, the technical solution adopted by this utility model includes: a base frame; a guide wheel assembly disposed on the base frame to guide and convey round steel for forming springs; and a spring forming assembly disposed at the end of the guide wheel assembly to receive the round steel conveyed by the guide wheel assembly and spirally form the round steel into a spring. The spring forming assembly includes at least a rotating component and a core forming component that rotate synchronously on the same axis. The core forming component is disposed at the center of the rotating component on the side away from the guide wheel assembly. The core forming component has a spiral groove for forming the round steel. The spring forming assembly also includes an auxiliary forming component sleeved outside the spiral groove of the core forming component. The auxiliary forming component is configured to rotate in the opposite direction to the core forming component.

[0005] In the preferred embodiment of the above-mentioned spring production device, the guide wheel assembly includes at least a straightening unit and a guiding conveying unit arranged sequentially along the conveying direction of the round steel. The straightening unit is used to straighten the bent round steel into a straight shape. The guiding conveying unit includes at least a first guide wheel and a second guide wheel that rotate in opposite directions. The round steel that has been straightened by the straightening unit enters between the first guide wheel and the second guide wheel for being rolled and conveyed.

[0006] In the preferred embodiment of the above-mentioned spring production device, the spring forming assembly further includes a reversing wheel that is tilted and rotatably disposed on the rotating member. The reversing wheel extends out of both sides of the rotating member and can rotate on the rotating member. The reversing wheel rotates synchronously with the rotating member about the central axis of the rotating member.

[0007] In the preferred technical scheme of the spring production device, the feeding structure is arranged on the rotating member on the side far from the guide wheel assembly and rotates axially synchronously with the rotating member, and the feeding structure is used to convey the round steel that has passed through the reversing wheel to the spiral groove of the snake core forming member.

[0008] In the preferred technical scheme of the spring production device, the feeding structure at least comprises a driving wheel and a driven wheel that are rotatably arranged on the rotating member, and the driving wheel and the driven wheel are connected through a chain, and the driving wheel is formed with a receiving groove for the round steel to pass through.

[0009] In the preferred technical scheme of the spring production device, the feeding structure further comprises a guide member arranged on the rotating member on the side far from the guide wheel assembly, and the round steel output from the end of the reversing wheel passes through the guide member.

[0010] In the preferred technical scheme of the spring production device, the snake core forming member is arranged with an adjusting barrel on the end far from the rotating member, and the spring formed by the spiral forming of the snake core forming member passes through the adjusting barrel.

[0011] In the preferred technical scheme of the spring production device, the rotating member is a belt wheel, the base frame is arranged with a first motor, and the rotating shaft end of the first motor is connected with the rotating member through a belt.

[0012] In the preferred technical scheme of the spring production device, the rotating member is arranged with a sliding seat on the surface on the side far from the guide wheel assembly along the radial direction through an elastic member, and the driven wheel is rotatably arranged on the sliding seat.

[0013] In the preferred technical scheme of the spring production device, the auxiliary forming member and the driving wheel are driven by the same driving module.

[0014] The beneficial effect of the utility model is that the round steel is conveyed through the guide wheel assembly, so that the round steel passes through the center of the rotating member and enters the spiral groove of the snake core forming member on the side far from the guide wheel assembly, the round steel is conveyed by traction, the round steel advances in the spiral groove and is limited by the auxiliary forming member to form a spring, the auxiliary forming member is arranged to rotate reversely with the snake core forming member, the resistance of the round steel advancing in the spiral groove is reduced, and the efficiency of the round steel forming into a spring is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is the schematic view of the guide wheel assembly;

[0018] Figure 4 Schematic diagram of spring forming assembly Figure 1 ;

[0019] Figure 5 Schematic diagram of spring forming assembly Figure 2 ;

[0020] Figure 6 Connection relationship between rotating member and feeding structure Figure 1 ;

[0021] Figure 7 Connection relationship between rotating member and feeding structure Figure 2 ;

[0022] Figure 8 Connection relationship between snake core forming member and adjusting barrel

[0023] Figure 9 Connection relationship between snake core forming member and auxiliary forming member

[0024] Figure 10 Connection relationship between feeding structure and sliding seat

[0025] In the figure: base frame 1, guide wheel assembly 2, correction unit 21, first guide wheel 221, second guide wheel 222, spring forming assembly 3, rotating member 31, snake core forming member 32, spiral groove 321, auxiliary forming member 33, reversing wheel 34, driving wheel 351, driven wheel 352, chain 353, guide member 354, sliding seat 36, elastic member 37, first motor 4, second motor 51, rotating member 52, first gear 53, second gear 54, adjusting barrel 6. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0027] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "front", "back" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] Moreover, it needs to be explained that, in the description of the utility model, unless another explicit provision and limitation, the term "arrangement", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integral connection. For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0029] As Figures 1 to 10 The utility model discloses a spring production device, including: base frame 1;Guide wheel subassembly 2, be configured to base frame 1, guide conveying is used for the round steel of forming spring;Spring forming subassembly 3, be configured to guide wheel subassembly 2 end, to receive the round steel conveyed by guide wheel subassembly 2, and spiral forming is formed into spring by round steel, spring forming subassembly 3 at least includes the synchronous rotation of coaxial core rotating part 31 and snake core forming part 32, snake core forming part 32 is configured in the center of rotating part 31 on the side away from guide wheel subassembly 2, snake core forming part 32 is opened with the spiral groove 321 of round steel forming, spring forming subassembly 3 also includes the auxiliary forming part 33 of the spiral groove 321 outside of snake core forming part 32, auxiliary forming part 33 is configured as with snake core forming part 32 mutual reverse rotation.

[0030] Referring to Figures 1 to 5 , guide wheel subassembly 2 can pull the round steel conveying towards spring forming subassembly 3 direction;Spring forming subassembly 3 at least includes rotating part 31, snake core forming part 32 and auxiliary forming part 33, rotating part 31 and snake core forming part 32 coaxial core and synchronous rotation, auxiliary forming part 33 is the sleeve that can occur axial rotation, auxiliary forming part 33 is set in the outside of snake core forming part 32, to limit the gradually spiral forming spring in the spiral groove 321 of snake core forming part 32, avoid the round steel that enters the spiral groove 321 and exits spiral groove 321 and cause the problem of spring forming failure.

[0031] Specifically, when forming spring, first, the round steel is conveyed using guide wheel subassembly 2, to make the round steel pass through the center of rotating part 31 and enter the spiral groove 321 of snake core forming part 32 on the side away from guide wheel subassembly 2 in rotating part 31, with the round steel being towed conveying, the round steel advances in spiral groove 321 and gradually forms into spring. It needs to be explained that auxiliary forming part 33 is configured as with snake core forming part 32 mutual reverse rotation, by this kind of setting, can further reduce the resistance of round steel advancing in spiral groove 321, improve the efficiency of round steel forming into spring.

[0032] In one or more embodiments, the guide wheel assembly 2 at least comprises a straightening unit 21 and a guide conveying unit arranged in sequence along the conveying direction of the round steel, the straightening unit 21 is used for straightening the bent round steel into a straight line, the guide conveying unit at least comprises a first guide wheel 221 and a second guide wheel 222 rotating in opposite directions, the round steel straightened by the straightening unit 21 enters between the first guide wheel 221 and the second guide wheel 222 to be conveyed by rolling.

[0033] Referring to Figures 1 to 3 , the straightening unit 21 comprises a vertical straightening part and a horizontal straightening part arranged in sequence along the conveying direction of the round steel, the vertical straightening part is composed of a plurality of groups of vertically arranged upper straightening rods and lower straightening rods, the horizontal straightening part is composed of a plurality of groups of horizontally arranged front straightening rods and rear straightening rods, the conveyed round steel first passes between the upper straightening rods and the lower straightening rods, and then enters between the front straightening rods and the rear straightening rods, so that the round steel is corrected in all directions, so that the bent round steel can be straightened into a straight line and conveyed towards the spring forming assembly 3.

[0034] Referring to Figure 3 , the guide conveying unit comprises a horizontally arranged first guide wheel 221 and a second guide wheel 222, the first guide wheel 221 is a driving wheel, and the second guide wheel 222 is a driven wheel, the first guide wheel 221 is driven to rotate by a belt wheel module controlled by a servo motor, and the second guide wheel 222 is connected with the first guide wheel 221 through a gear module to realize opposite rotation of the first guide wheel 221 and the second guide wheel 222.

[0035] In one or more embodiments, the spring forming assembly 3 further comprises a reversing wheel 34 obliquely rotating arranged on the rotating member 31, the reversing wheel 34 extends out of both sides of the rotating member 31, the reversing wheel 34 can rotate on the rotating member 31, and the reversing wheel 34 rotates synchronously with the rotating member 31 with the central axis of the rotating member 31 as the center; the rotating member 31 is arranged on the side away from the guide wheel assembly 2 with a feeding structure rotating synchronously with the rotating member 31, the feeding structure is used to convey the round steel winding through the reversing wheel 34 into the spiral groove 321 of the snail core forming member 32; the feeding structure at least comprises a driving wheel 351 and a driven wheel 352 rotating arranged on the rotating member 31, the driving wheel 351 and the driven wheel 352 are connected through a chain 353, and the driving wheel 351 is formed with a receiving groove for the round steel winding; the feeding structure further comprises a guide 354 arranged on the side of the rotating member 31 away from the guide wheel assembly 2, the round steel output from the end of the reversing wheel 34 passes through the guide 354, so that the conveying path of the round steel is more stable, and the stability of spring forming is improved.

[0036] Referring to Figures 4 to 10Before the spring is formed, the round steel needs to be put into the predetermined position, first make the round steel conveyed by the guide wheel assembly 2 around the reversing wheel 34 into the rotating part 31 on the side away from the guide wheel assembly 2, at this time, the round steel needs to be put through the accommodating groove of the driving wheel 351, and then through the guide part 354 of the tubular structure, and then put the round steel into the spiral groove 321 of the snake core forming part 32.

[0037] Specifically, when the round steel is formed, the rotating part 31 is controlled to rotate counterclockwise, the snake core forming part 32, the driving wheel 351, the driven wheel 352, the chain 353 and the guide part 354 are synchronously rotated counterclockwise with the central axis of the rotating part 31 as the center, so that the round steel around the reversing wheel 34 into the snake core forming part 32 can be pre-bent, thereby reducing the forming difficulty of the round steel in the spiral groove 321 of the snake core forming part 32, while the driving wheel 351 is driven to rotate by other driving devices when the rotating part 31 drives the driving wheel 351 and the driven wheel 352 to rotate counterclockwise, the driving wheel 351 drives the driven wheel 352 to rotate through the chain 353, so that the round steel entering the spiral groove 321 of the snake core forming part 32 after being put into the accommodating groove of the driving wheel 351 can obtain further power, improve the forming quality and forming efficiency of the round steel in the spiral groove 321 of the snake core forming part 32, has the characteristics of simple structure, high spring forming quality and high forming efficiency, and has practicality.

[0038] In one or more embodiments, the surface of the rotating part 31 on the side away from the guide wheel assembly 2 is installed with a sliding seat 36 along the radial direction through an elastic member 37, and the driven wheel 352 is rotatably installed on the sliding seat 36.

[0039] Referring to Figure 6 , Figure 7 , Figure 10 , the elastic member 37 can be a spring or elastic steel, and the driven wheel 352 is rotatably installed on the sliding seat 36 and can slide in the radial direction of the rotating part 31 by means of the elastic member 37; through this kind of setting, the round steel around the accommodating groove of the driven wheel 352 can be tensioned at the same time, and the round steel conveyed by the driven wheel 352 has a certain rebound space, which reduces the possibility of the round steel being excessively stretched and deformed due to the fixed position of the driven wheel 352.

[0040] In one or more embodiments, the rotating part 31 is a pulley, and the base frame 1 is provided with a first motor 4, and the rotating shaft end of the first motor 4 is connected with the rotating part 31 through a belt.

[0041] Referring to Figure 4 , Figure 5The rotating shaft end of the first motor 4 is also provided with a driving pulley, and the driving pulley is connected with the rotating member 31 through a belt. The driving pulley is driven to rotate by the first motor 4, and then the rotating member 31 is driven to rotate, and the structure has the characteristics of simple structure, small transmission power loss and low noise.

[0042] In one or more embodiments, the auxiliary forming part 33 and the driving wheel 351 are driven by the same driving module.

[0043] Referring to Figures 4 to 9 , the driving module comprises a rotating member 52 rotatably installed on the base frame 1, the rotating member 52 is driven to rotate by the second motor 51, the rotating member 52 is coaxial with the rotating member 31, the rotating member 52 is provided with a first gear 53, the first gear 53 is meshingly connected with a second gear 54, the second gear 54 is connected with the driving wheel 351 through a rod, and the second gear 54 is synchronously rotated counterclockwise on the first gear 53 while the rotating member 31 drives the driving wheel 351 to rotate clockwise, at this time, the driving wheel 351 is driven to rotate, and the driven wheel 352 is driven to rotate by means of the chain 353.

[0044] Referring to Figures 4 to 7 , the driving module further comprises a transmission module installed on the rotating member 52 and a belt wheel module driven by the transmission module, and the belt wheel module drives the auxiliary forming part 33 to rotate clockwise. When the second motor 51 drives the rotating member 52 to rotate counterclockwise, the first gear 53 synchronously rotates counterclockwise with the rotating member 52, the second gear 54 rotates clockwise, and the driving wheel 351 is driven to rotate, at the same time, the counterclockwise rotating rotating member 52 can drive the auxiliary forming part 33 to rotate clockwise through the transmission module and the belt wheel module.

[0045] Through the above arrangement, the application can realize the simultaneous driving of the driving wheel 351 and the auxiliary forming part 33 by using fewer parts, reduce the generation of noise and reduce the production cost.

[0046] In one or more embodiments, the snake core forming part 32 is provided with an adjusting barrel 6 at one end away from the rotating member 31, and the spring formed by the snake core forming part 32 spirally forms the adjusting barrel 6.

[0047] Referring to Figure 4 , Figure 6 , Figure 8 , when the spring forming is completed, the spring passes through the adjusting barrel 6 and is limited in the movement path by the adjusting barrel 6, so as to avoid the problem of spring distortion after forming. In addition, the adjusting barrel 6 is detachably installed at the end of the snake core forming part 32, so as to satisfy the limiting of the spring with different inner diameters and improve the use effect of the application.

[0048] The above embodiments only illustrate the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A spring production apparatus characterized by comprising: The utility model relates to a spring forming device, comprising: a base frame; a guide wheel assembly arranged on the base frame and configured to guide and convey a round steel for forming a spring; a spring forming assembly arranged at the end of the guide wheel assembly and configured to receive the round steel conveyed by the guide wheel assembly and spiral-form the round steel into a spring, the spring forming assembly comprising a rotating member and a snakelike core forming member arranged coaxially and synchronously rotating, the snakelike core forming member is arranged at the center of the rotating member on the side away from the guide wheel assembly, the snakelike core forming member is provided with a spiral groove for forming the round steel, the spring forming assembly further comprises an auxiliary forming member sleeved outside the spiral groove of the snakelike core forming member, the auxiliary forming member is arranged to rotate reversely with the snakelike core forming member.

2. The spring production apparatus of claim 1, wherein: The guide wheel assembly comprises a straightening unit and a guide conveying unit arranged in sequence along the conveying direction of the round steel, the straightening unit is configured to straighten the curved round steel, the guide conveying unit comprises a first guide wheel and a second guide wheel arranged reversely, the straightened round steel enters between the first guide wheel and the second guide wheel to be conveyed by rolling.

3. The spring production apparatus of claim 1, wherein: The spring forming assembly further comprises a reversing wheel arranged obliquely and rotatably on the rotating member, the reversing wheel extends out of both sides of the rotating member, the reversing wheel is rotatable on the rotating member and rotates synchronously with the rotating member around the central axis of the rotating member.

4. The spring production apparatus of claim 3, wherein: The rotating member is provided with a feeding structure arranged axially and synchronously with the rotating member on the side away from the guide wheel assembly, the feeding structure is configured to convey the round steel around the reversing wheel to the spiral groove of the snakelike core forming member.

5. The spring production apparatus of claim 4, wherein: The feeding structure comprises a driving wheel and a driven wheel arranged rotatably on the rotating member, the driving wheel and the driven wheel are connected by a chain, the driving wheel is provided with a receiving groove for the round steel to pass around.

6. The spring production apparatus of claim 5, wherein: The feeding structure further comprises a guide arranged on the side of the rotating member away from the guide wheel assembly, the round steel output from the end of the reversing wheel passes through the guide.

7. The spring production apparatus of claim 1, wherein: The snakelike core forming member is provided with an adjusting barrel arranged at the end away from the rotating member, the spring formed by the snakelike core forming member passes through the adjusting barrel.

8. The spring production apparatus of claim 1, wherein: The rotating member is a pulley, the base frame is provided with a first motor, and the rotating shaft of the first motor is connected to the rotating member by a belt.

9. The spring production apparatus of claim 5, wherein: The rotating member is provided with a sliding seat mounted by an elastic member along the radial direction on the surface of the side away from the guide wheel assembly, and the driven wheel is rotatably mounted on the sliding seat.

10. The spring production apparatus of claim 5, wherein: The auxiliary forming member and the driving wheel are driven by the same driving module.

Images