CN114799930A

CN114799930A - Automatic efficient spring manufacturing production line and process

Info

Publication number: CN114799930A
Application number: CN202210387797.XA
Authority: CN
Inventors: 施遨翔; 周文成; 李云静; 叶隆
Original assignee: Zhejiang Sanhe Spring Co ltd
Current assignee: Zhejiang Sanhe Spring Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-29
Anticipated expiration: 2042-04-13
Also published as: CN114799930B

Abstract

The invention relates to a spring automatic high-efficiency manufacturing production line and a spring automatic high-efficiency manufacturing process, wherein a spring product (61) comprises a spiral formed spring (62); the forming spring (62) is provided with two ends, and the two ends of the forming spring (62) are respectively connected with a first end cap (63) and a second end cap (64); a first end cap (63) and/or a second end cap (64) having a hollow bore and a connecting flange; the hollow hole is welded with the end of the forming spring (62), and the connecting flange is used for connecting a corresponding traction piece; the invention has reasonable design, compact structure and convenient use.

Description

Automatic efficient spring manufacturing production line and process

Technical Field

The invention relates to an automatic and efficient spring manufacturing production line and a process.

Background

The existing spring needs to be assembled by drawing a spring wire, shaping, heat treating and winding, and has low automation degree because of artificial participation, the accuracy of the assembled spring needs to be controlled by experience, and the technical requirement on people is higher. The operation can be carried out only after long-time training is carried out on welding assembly personnel, which wastes time and labor.

CN201911152142.9 provides a method for manufacturing a retainer spring, but the degree of automation is not reasonable in design of the spring pulling connection part, and the pulling deformation is easily generated.

The invention improves the existing design and manufacturing process and designs a set of brand new springs and matched automatic equipment thereof.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic and efficient spring manufacturing production line.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a spring article comprising a shaped spring in the form of a spiral; the forming spring is provided with two end heads, and the two end heads of the forming spring are respectively connected with a first end cap and a second end cap;

the first end cap and/or the second end cap are/is provided with a hollow hole and a connecting flange; the hollow hole is connected with the end of the forming spring in a welding mode, and the connecting flange is used for connecting the corresponding traction piece.

An automatic and efficient spring manufacturing production line comprises

The spring chamber coiling seat is coiled with a spring silk thread, and the spring chamber coiling seat drives the spring silk thread to rotate or the spring silk thread is rotatably arranged on the spring chamber coiling seat, so that the spring silk thread is linearly output;

the straightening assembly receives the spring silk thread output by the spring chamber reel seat and straightens and shapes the spring silk thread;

the wire winding assembly is used for winding the spring wire on the mandrel to form a spring;

the matching frame is used for conveying the springs to the corresponding working procedure;

the input end of the linear conveying assembly is provided with one side of the matching frame and is used for receiving the spring output by the wire winding assembly, and the spring is driven to move forwards by a push rod or a manipulator;

the linear conveying assembly is provided with:

the trimming assembly is used for performing electric heating bending treatment on the end of the spring;

the first end cap feeding assembly is used for installing a first end cap at the lower end of the spring;

the shaft taking assembly is used for taking the mandrel off the spring;

the second end cap feeding assembly is used for installing a second end cap at the upper end of the spring;

the welding device is provided with a guide rail parallel to the second end cap feeding assembly and is used for welding the end of the spring with the first end cap or the second end cap at a corresponding station;

the production line also comprises secondary processing equipment for forming the spring.

As a further improvement of the above technical solution:

the spring chamber reel seat comprises a reel tray which is fixedly arranged; a guide central shaft is arranged at the center of the reel tray and used for inserting the spring wire coil;

a plurality of rotary radial notches are distributed on the reel tray and are used for installing radial moving side supporting claws;

a lateral traction seat is arranged on one side of the reel tray, and a guide through hole which is tangentially arranged relative to the radius of the reel seat of the spring chamber is arranged on the lateral traction seat and is used for coiling the spring silk thread which outputs a straight line;

the straightening assembly comprises a linear heating pipe which is coaxial with the guide through hole and is used for heating a spring silk thread which passes through the linear heating pipe, a driven upper support frame is arranged at the output end of the linear heating pipe, a driven upper elastic support roller is arranged on the driven upper support frame, and a driven lower support roller is arranged below the driven upper elastic support roller;

a channel is arranged between the driven lower supporting roller and the driven upper elastic supporting roller so as to move forward through the spring silk thread;

a pair of pinch roller rollers are arranged in front of the driven upper support frame, and the spring silk thread is rolled to form a straight line; the spring wire output tube seat is arranged at the output end of the pinch roller and is provided with an air path for cooling the spring silk thread;

a pipe output inclined plane port is arranged at the outlet of the spring wire output pipe seat and used for outputting a spring wire;

the end part of the pipe output inclined plane opening is provided with a lower supporting seat for supporting the spring silk thread, and the lower supporting seat is provided with a lifting cutter seat for cutting off the spring silk thread on the lower supporting seat; the output end of the lower supporting seat is provided with a transverse guide rail, a transverse moving slide block is arranged on the transverse guide rail, a plurality of guide sleeves are arranged on the transverse moving slide block side by side and used for receiving the spring silk thread output from the lower supporting seat, and one side of the transverse moving slide block is provided with a sharpening grinding wheel cutter holder used for sharpening the end head of the spring silk thread;

one side of the lower supporting seat is provided with a plurality of groups of lower traction guide rollers, the lower traction guide rollers are correspondingly provided with upper pinch roller sets,

a corresponding channel is arranged between the lower traction guide roller and the upper pinch roller set so as to feed the cut spring silk thread;

a guide pipeline is arranged in front of the lower traction guide roller and is used for guiding the spring silk thread of the corresponding channel;

the spring silk thread output by the guide pipeline is sent into the silk winding assembly;

the wire winding assembly comprises an input fixing seat with an eccentric input hole; a spring manufacturing station is arranged at the front end of the input fixing seat;

a first side auxiliary seat and a second side auxiliary seat which are involutory and provided with inner spiral guide grooves are arranged at a spring manufacturing station;

when the first side auxiliary seat is embraced with the second side auxiliary seat, the inner spiral guide grooves of the first side auxiliary seat and the second side auxiliary seat are continuously arranged;

a central guide shaft penetrates through a cavity encircled by the first side auxiliary seat and the second side auxiliary seat; a thread guide male groove is formed in the central guide shaft, a front end positioning clamping groove with a jackscrew is formed in the front end of the central guide shaft, is opposite to the eccentric input hole, is used for receiving the front end of the inserted spring silk thread and is tightly fixed through the jackscrew;

the inner spiral guide groove and the thread guide male groove exist simultaneously or alternatively;

when the central guide shaft rotates, the first side auxiliary seat and the second side auxiliary seat are encircled, the first side auxiliary seat is static or linearly reciprocates while being encircled, when the central guide shaft rotates, the central guide shaft rotates for a circle, and the first side auxiliary seat and the second side auxiliary seat retreat by a lead;

the matching frame comprises a conversion station disc, and an arc-shaped side guide bracket is coaxially and rotatably or fixedly arranged on the outer side of the conversion station disc;

a clamping ring groove is arranged on the central guide shaft; an opening clamping groove is distributed on the conversion station disc and used for clamping a clamping ring groove of the central guide shaft and driving the clamped central guide shaft to rotate, and the spring manufacturing station, the spring heat treatment station, the redundancy station and the falling station sequentially pass through;

the spring is wound at a spring manufacturing station, and meanwhile, the first side auxiliary seat and the second side auxiliary seat are provided with heating wire coils to preheat and shape the formed spring; a heat treatment device and a matched manipulator are arranged at a spring heat treatment station, and the formed spring is sent into the heat treatment device to carry out secondary heat treatment on the formed spring;

a falling station which is arranged downwards, is provided with an ejection push rod on one side and receives a falling central guide shaft and a forming spring through a side guide bracket;

the ejection push rod pushes the forming spring loaded with the central guide shaft out of the matching frame in the axial direction;

a rotary swing arm for driving the side guide bracket to rotate is arranged on the back side of the conversion station disc;

and a driving rotating shaft capable of moving axially is arranged on the back side of the spring manufacturing station, two end faces of the central guide shaft are provided with corresponding spline holes, and the driving rotating shaft is provided with a spline head for use.

The linear conveying assembly comprises a longitudinal guide rail which is longitudinally arranged;

the output end of the falling station is provided with a feeding vertical station, the feeding vertical station is provided with a guide inclined plane, and the driving rotating shaft slides along the guide inclined plane to be in a vertical state; a linear guide rail parallel to the linear conveying assembly is arranged at the output end of the guide inclined plane, and a moving manipulator walks on the linear guide rail;

the movable manipulator comprises manipulator transverse moving arms which are symmetrically arranged on two sides of the linear conveying assembly and move oppositely; the two manipulator transverse moving arms are provided with manipulator side rotating arms; a manipulator secondary opposite moving arm is arranged on the manipulator side rotating arm, and a manipulator clamping half sleeve is arranged at the end part of the manipulator secondary opposite moving arm and used for clamping the middle part of a central guide shaft in a vertical state;

a trimming station, a first end cap mounting station, a mandrel removing station and a second end cap mounting and overturning station which are positioned at the front side of the vertical station are sequentially arranged on the longitudinal guide rail;

at a trimming station, a trimming assembly comprises a spring extension upper end trimming manipulator and a matched screw manipulator which are positioned above the movable manipulator, and a spring extension lower end trimming manipulator is arranged below the spring extension upper end trimming manipulator;

the front end positioning clamping groove is provided with a side opening; the screw manipulator is used for loosening a jackscrew on the front-end positioning clamping groove and pulling the end of the forming spring clamped in the front-end positioning clamping groove out of the front-end positioning clamping groove from the side opening;

the spring extension upper end shaping manipulator and the spring extension lower end shaping manipulator respectively clamp the corresponding end of the formed spring and are heated and roasted for forming;

at a first end cap mounting station, the first end cap feeding assembly comprises a first end cap feeding assembly and a matched cap feeding clamping manipulator, the first end cap feeding assembly is used for receiving a fed first end cap, and the cap feeding clamping manipulator clamps the first end cap and sleeves the first end cap onto the lower end head of the forming spring from the lower part of the central guide shaft;

the welding device comprises a welding manipulator which longitudinally displaces and/or a standby welding manipulator; the welding manipulator is matched with a welding spot repairing inner grinding head and/or a welding spot repairing lengthened grinding head which are controlled by the manipulator and used for repairing and grinding welding spots; the welding manipulator is used for welding the lower end head of the forming spring with the first end cap and/or welding the upper end head of the forming spring with the second end cap, and the welding spot repairing inner grinding head and/or the welding spot repairing lengthened grinding head is used for repairing and grinding welding spots;

the upper connecting lifting rotary seat is arranged below the mandrel removing station and is matched with an auxiliary mechanical hand, the auxiliary mechanical hand is used for clamping the first end cap, and the upper end of the upper connecting lifting rotary seat is provided with a spline head which is used for being inserted into a corresponding spline hole at the lower end of the central guide shaft and driving the central guide shaft to rotate and ascend to be separated from the forming spring;

a second end cap is provided with a turnover station, and a corresponding cap conveying clamping manipulator and a side supporting head are arranged; the cap feeding clamping manipulator is used for installing a second end cap on the upper end head of the forming spring and welding the second end cap; the manipulator side rotating arm rotates, so that the forming spring is horizontally or obliquely arranged downwards, the manipulator clamping half sleeve is opened, and the side supporting ejector head ejects the forming spring out of the second end cap installation and turnover station.

An automatic and efficient spring manufacturing production process is used for manufacturing spring products, and firstly, a spring silk thread is wound and bent to form a spiral formed spring; and then, welding the corresponding first end cap and the second end cap at the two ends of the formed spring.

The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.

The invention realizes the automatic assembly and connection of the spring, greatly reduces the participation of manpower and reduces the assembly and welding strength.

Drawings

Fig. 1 is a schematic diagram of the spring assembly structure of the present invention.

Fig. 2 is a schematic diagram of the specific structure of the present invention.

Fig. 3 is a schematic view of the spring wire delivery structure of the present invention.

FIG. 4 is a schematic view of the filament winding structure of the present invention.

Fig. 5 is a schematic diagram of the use structure of the finished product of the invention.

Wherein: 1. a spring chamber reel seat; 2. a straightening assembly; 3. a wire winding assembly; 4. a matching frame; 5. a trim component; 6. a first end cap feeding assembly; 7. a linear transport assembly; 8. a shaft taking assembly; 9. a welding device; 10. a second end cap feeding assembly; 11. a reel tray; 12. a guide central shaft; 13. rotating the radial gap; 14. a lateral traction seat; 15. a guide roller seat; 16. a spring wire; 17. a linear heating pipe; 18. a driven lower support roller; 19. a driven upper elastic supporting roller; 20. a driven upper support frame; 21. pressing roller pair; 22. a spring wire output tube seat; 23. a tube output bevel port; 24. a lower support seat; 25. transversely moving the slide block; 26. a lateral guide rail; 27. leading in a guide sleeve; 28. grinding the tool apron of the grinding wheel; 29. lifting the cutter holder; 30. a lower traction guide roller; 31. an upper pinch roller set; 32. guiding a pipeline; 33. an input fixing seat; 34. an eccentric input aperture; 35. a central guide shaft; 36. the thread is guided to the male groove; 37. a first side auxiliary seat; 38. a second side auxiliary seat; 39. an inner spiral guide groove; 40. a front end positioning clamping groove; 41. converting the station disc; 42. a side guide bracket; 43. feeding the spring into a station; 44. a spring manufacturing station; 45. redundant stations; 46. a drop station; 47. ejecting the push rod; 48. rotating the swing arm; 49. driving the rotating shaft; 50. a guide slope; 51. moving the manipulator; 52. a manipulator lateral movement arm; 53. a manipulator side rotating arm; 54. the manipulator moves the arm in opposite directions for the second time; 55. the manipulator clamps the half sleeve; 56. feeding the workpiece to a vertical station; 57. a longitudinal guide rail; 58. the second end cap is provided with a turnover station; 59. a mandrel removing station; 60. a first end cap installation station; 61. a spring article; 62. forming a spring; 63. a first end cap; 64. a second end cap; 65. the upper end of the spring is extended to form a shaping manipulator; 66. the lower end of the spring is extended to form a shaping manipulator; 67. a first end cap feeding assembly; 68. a cap feeding clamping manipulator; 69. welding a manipulator; 70. repairing a welding spot inner grinding head; 71. repairing welding points and lengthening a grinding head; 72. a welding manipulator is reserved; 73. supporting the top head laterally; 74. the upper part is connected with a lifting rotating seat.

Detailed Description

As shown in fig. 1-5, in the spring product of the present embodiment, the spring product 61 includes a spiral shaped spring 62; the forming spring 62 has two ends, and a first end cap 63 and a second end cap 64 are respectively connected to the two ends of the forming spring 62;

a first end cap 63 and/or a second end cap 64 having a hollow bore and a connecting flange; a hollow hole welded to the end of the formed spring 62, and a connecting flange for connecting a corresponding pull member.

The automatic processing equipment comprises

The spring room coiling seat 1 is coiled with a spring silk thread 16, the spring room coiling seat 1 drives the spring silk thread 16 to rotate or the spring silk thread 16 rotates on the spring room coiling seat 1, so that the spring silk thread 16 is output linearly;

the straightening assembly 2 receives the spring silk thread 16 output by the spring chamber reel seat 1 and straightens and shapes the spring silk thread 16;

the wire winding assembly 3 is used for winding a spring formed by mandrel winding the spring wire 16;

the matching frame 4 is used for conveying the springs to the corresponding working procedure;

the input end of the linear conveying assembly 7 is provided with one side of the matching frame 4 and is used for receiving the spring output by the wire winding assembly 3, and the spring is driven to move forwards by a push rod or a mechanical arm;

the linear transport unit 7 is provided with:

the trimming assembly 5 is used for performing electric heating bending treatment on the end of the spring;

a first end cap feeding assembly 6 for mounting a first end cap 63 at the lower end of the spring;

the shaft taking assembly 8 is used for taking the mandrel off the spring;

a second end cap feeding assembly 10 for mounting a second end cap 64 on the upper end of the spring;

a welding device 9 having a guide rail parallel to the second end cap feeding assembly 10 for welding the end of the spring to the first end cap 63 or the second end cap 64 at a corresponding station;

the production line also includes secondary processing equipment for forming the spring 62

The spring chamber reel seat 1 comprises a reel tray 11 which is fixedly arranged; a guiding central shaft 12 is arranged at the center of the reel tray 11 and is used for inserting a spring wire 16 to be coiled;

a plurality of rotary radial notches 13 are distributed on the reel tray 11 and are used for installing radial moving side supporting claws; a lateral traction seat 14 is arranged on one side of the reel tray 11, a guide through hole which is tangentially arranged relative to the radius of the spring chamber reel seat 1 is arranged on the lateral traction seat 14, and the guide through hole is used for a spring wire 16 to coil an output linear spring wire 16;

the straightening assembly 2 comprises a linear heating pipe 17 which is coaxial with the guide through hole and is used for heating a spring wire 16 which passes through the linear heating pipe, a driven upper support frame 20 is arranged at the output end of the linear heating pipe 17, a driven upper elastic support roller 19 is arranged on the driven upper support frame 20, and a driven lower support roller 18 is arranged below the driven upper elastic support roller 19;

a channel is provided between the driven lower support roller 18 and the driven upper elastic support roller 19 to advance through the spring wire 16;

a counter-pressure roller 21 is arranged in front of the driven upper support frame 20, and is used for linearly rolling the spring wire 16; the spring wire output tube seat 22 is arranged at the output end of the counter pressure roller 21, and an air path is arranged on the spring wire output tube seat 22 and used for cooling the spring wire 16;

a pipe output bevel port 23 is arranged at the outlet of the spring wire output pipe seat 22 and used for outputting the spring wire 16; a lower support seat 24 is arranged at the end part of the pipe output inclined plane port 23 and is used for supporting the spring silk thread 16, and a lifting cutter seat 29 is arranged on the lower support seat 24 and is used for cutting off the spring silk thread 16 on the lower support seat 24; a transverse guide rail 26 is arranged at the output end of the lower support seat 24, a transverse moving slide block 25 is arranged on the transverse guide rail 26, a plurality of guide sleeves 27 are arranged on the transverse moving slide block 25 side by side and used for receiving the spring silk thread 16 output from the lower support seat 24, and a grinding wheel knife holder 28 is arranged at one side of the transverse moving slide block 25 and used for grinding the end of the spring silk thread 16;

a plurality of groups of lower traction guide rollers 30 are arranged on one side of the lower supporting seat 24, an upper pinch roller set 31 is correspondingly arranged on the lower traction guide rollers 30,

a corresponding channel is arranged between the lower traction guide roller 30 and the upper pinch roller set 31 so as to feed the cut spring wire 16;

a guide pipeline 32 is arranged in front of the lower traction guide roller 30 and used for guiding the spring wire 16 of the corresponding channel; the spring wire 16 output from the guide pipeline 32 is fed into the wire winding assembly 3;

the filament winding assembly 3 comprises an input holder 33 with an eccentric input hole 34; a spring manufacturing station 44 is arranged at the front end of the input fixing seat 33;

a first side auxiliary seat 37 and a second side auxiliary seat 38 which are oppositely combined and provided with inner spiral guide grooves 39 are arranged at a spring manufacturing station 44;

when the first side auxiliary seat 37 and the second side auxiliary seat 38 are engaged, the inner spiral guide grooves 39 of the first side auxiliary seat 37 and the second side auxiliary seat 38 are continuously arranged;

a central guide shaft 35 penetrates through a cavity surrounded by the first side auxiliary seat 37 and the second side auxiliary seat 38; a thread guide male groove 36 is formed in the central guide shaft 35, a front end positioning clamping groove 40 with a jackscrew is formed in the front end of the central guide shaft 35, the front end positioning clamping groove 40 is opposite to the eccentric input hole 34 and used for receiving the front end of the inserted spring wire 16 and is tightly pressed and fixed through the jackscrew;

the inner screw guide groove 39 and the screw guide male groove 36 exist simultaneously or alternatively;

when the central guide shaft 35 rotates, the first side auxiliary seat 37 and the second side auxiliary seat 38 are encircled, the first side auxiliary seat 37 performs static or linear reciprocating movement while being encircled, when rotation is adopted, the central guide shaft 35 rotates for one circle, and the first side auxiliary seat 37 and the second side auxiliary seat 38 retreat for one lead; the matching frame 4 comprises a conversion station disc 41, and an arc-shaped side guide bracket 42 is coaxially and rotatably or fixedly arranged on the outer side of the conversion station disc 41;

a clamping ring groove is arranged on the central guide shaft 35; an opening clamping groove is distributed on the conversion station disc 41 and is used for clamping a clamping ring groove of the central guide shaft 35 and driving the clamped central guide shaft 35 to rotate, and the spring passes through a spring manufacturing station 44, a spring heat treatment station 43, a redundant station 45 and a falling station 46 in sequence;

in the spring manufacturing station 44, the spring is wound, and meanwhile, the first side auxiliary seat 37 and the second side auxiliary seat 38 are provided with heating wire coils to preheat and shape the formed spring 62; a heat treatment device and a matched manipulator are arranged at the spring heat treatment station 43, and the formed spring 62 is sent into the heat treatment device to carry out secondary heat treatment on the formed spring 62;

a drop station 46, which is arranged downwards, is provided with an ejection push rod 47 at one side, and receives the dropped central guide shaft 35 and the forming spring 62 through a side guide bracket 42;

the ejector push rod 47 pushes the forming spring 62 carrying the central guide shaft 35 axially out of the mating rack 4; a rotary swing arm 48 for driving the side guide bracket 42 to rotate is arranged on the back side of the conversion station disc 41;

an axially movable drive and rotation shaft 49 is provided on the back side of the spring making station 44, the central guide shaft 35 has corresponding splined holes on both end faces, and the drive and rotation shaft 49 has a splined head for use.

The linear transport assembly 7 comprises a longitudinal guide 57 arranged longitudinally;

a feeding vertical station 56 is arranged at the output end of the falling station 46, a guide inclined plane 50 is arranged at the feeding vertical station 56, and the driving rotating shaft 49 slides along the guide inclined plane 50 to be in a vertical state; a linear guide rail parallel to the linear conveying assembly 7 is arranged at the output end of the guide inclined plane 50, and a moving manipulator 51 runs on the linear guide rail;

the moving manipulator 51 comprises manipulator transverse moving arms 52 which are symmetrically arranged at two sides of the linear conveying assembly 7 and move oppositely; a manipulator side rotating arm 53 is arranged on the two manipulator transverse moving arms 52; a manipulator secondary opposite moving arm 54 is arranged on the manipulator side rotating arm 53, and a manipulator clamping half sleeve 55 is arranged at the end part of the manipulator secondary opposite moving arm 54 and used for clamping the middle part of the central guide shaft 35 in a vertical state; a trimming station, a first end cap mounting station 60, a mandrel removing station 59 and a second end cap mounting and overturning station 58 which are positioned at the front side of the vertical station 56 are sequentially arranged on the longitudinal guide rail 57;

at the trimming station, the trimming assembly 5 comprises a spring extension upper end trimming manipulator 65 and a matched screw manipulator which are positioned above the moving manipulator 51, and a spring extension lower end trimming manipulator 66 is arranged below the spring extension upper end trimming manipulator 65;

the front positioning clamping groove 40 is provided with a side opening; the screw manipulator is used for loosening the jackscrew on the front-end positioning clamping groove 40 and pulling the end of the forming spring 62 clamped in the front-end positioning clamping groove 40 out of the front-end positioning clamping groove 40 from the side opening;

the spring extension upper end shaping manipulator 65 and the spring extension lower end shaping manipulator 66 respectively clamp the corresponding ends of the forming spring 62 and are heated and roasted for forming;

at the first end cap mounting station 60, the first end cap feeding assembly 6 comprises a first end cap feeding assembly 67 and a matched cap feeding clamping manipulator 68, the first end cap feeding assembly 67 is used for receiving the fed first end cap 63, and the cap feeding clamping manipulator 68 clamps the first end cap 63 and sleeves the first end cap 63 onto the lower end head of the forming spring 62 from the lower part of the central guide shaft 35;

a welding device 9 comprising a longitudinally displaced welding robot 69 and/or a spare welding robot 72; the welding manipulator 69 is matched with a welding spot repairing inner grinding head 70 and/or a welding spot repairing lengthened grinding head 71 which are controlled by the manipulator and used for repairing welding spots; the welding manipulator 69 is used for welding the lower end head of the forming spring 62 with the first end cap 63 and/or welding the upper end head of the forming spring 62 with the second end cap 64, and the welding point repairing inner grinding head 70 and/or the welding point repairing lengthened grinding head 71 is used for repairing welding points;

a lifting rotary seat 74 is arranged below the mandrel removing station 59 and is matched with an auxiliary manipulator, the auxiliary manipulator is used for clamping the first end cap 63, and the upper end of the lifting rotary seat 74 is provided with a spline head which is used for being inserted into a corresponding spline hole at the lower end of the central guide shaft 35 and driving the central guide shaft 35 to rotate and lift to be separated from the forming spring 62;

the second end cap mounting and overturning station 58 is provided with a corresponding cap feeding clamping manipulator 68 and a corresponding side jacking head 73; a cap feeding clamping manipulator 68 is used for installing the second end cap 64 on the upper end of the forming spring 62 and welding; the robot side pivot arm 53 rotates so that the formed spring 62 becomes horizontal or diagonally downward, the robot gripping half-sleeve 55 opens, and the side up-top head 73 ejects the formed spring 62 out of the second end cap installation inversion station 58.

The automatic and efficient manufacturing and producing process of the spring is used for manufacturing a spring product, and firstly, the spring wire 16 is wound and bent to form a spiral forming spring 62; then, the first end cap 63 and the second end cap 64 are welded to the ends of the formed spring 62.

The automatic and efficient spring manufacturing process disclosed by the embodiment comprises the following steps of;

s1, first, a coil of the spring wire 16 is placed on the spring chamber coil seat 1; then, the coiled straight line of the spring wire 16 is output;

s2, the straightening component 2 receives the spring wire 16 output by the spring chamber reel seat 1, and straightens and shapes the spring wire 16 and performs surface rolling treatment;

s3, winding the wire assembly 3, and forming the formed spring 62 by mandrel winding and shaping the spring wire 16;

s4, a mating rack 4 for conveying the formed springs 62 for a corresponding process.

S5, in the transfer to the vertical station 56, first, the driving rotary shaft 49 slides down along the guide slope 50 to be in a vertical state; then, the moving manipulator 51 operates the manipulator clamping half-sleeve 55 to clamp the middle part of the central guide shaft 35 in a vertical state;

s6, the trimming component 5 performs electric heating bending treatment on the end of the spring;

s7, the first end cap feeding assembly 6 is provided with a first end cap 63 at the lower end of the formed spring 62 and welded by the welding device 9;

s8, the mandrel is taken down from the spring through the shaft taking assembly 8;

s9, first, mounting the second end cap 64 on the upper end of the formed spring 62 by the second end cap feeding assembly 10; then, welding is performed by a welding device 9; next, the spring product 61 of the welding device 9 is output.

In S1, first, the coil of the spring wire 16 is placed on the reel tray 11, and then the spring wire 16 is linearly output through the guide through-hole on the lateral traction seat 14;

in S2, first, the spring wire 16 is heated by the linear heating pipe 17; then, the spring wire 16 is clamped by the driven upper elastic supporting roller 19 and the driven lower supporting roller 18 and is output to the pinch roller 21 linearly; secondly, the spring wire 16 is rolled into a straight line by the pressure roller 21, is output through the spring wire output tube seat 22 and is cooled through an air path; again, the spring wire 16 is advanced through the lower support seat 24 into the introduction guide sleeve 27 and is cut to size by the lifting cutter seat 29; then, the guide sleeve 27 is led in to move transversely, the rear end of the cut spring wire 16 is ground through a grinding wheel knife holder 28, and the front end of the spring wire 16 to be cut is ground through a grinding wheel; thereafter, the cut spring wire 16 is sent out to the eccentric input hole 34 along the guide path 32 by the upper pinch roller set 31 and the lower traction guide roller 30;

in S3, first, the front section of the spring wire 16 is fed into the front positioning slot 40 of the central guide shaft 35 pre-installed in the spring manufacturing station 44 through the eccentric input hole 34, and is tightly fixed by the jackscrew; then, the first side auxiliary seat 37 and the second side auxiliary seat 38 are engaged; secondly, the central guide shaft 35 rotates one turn, and the first side auxiliary seat 37 and the second side auxiliary seat 38 are retracted by one lead, so that the spring wire 16 is wound on the central guide shaft 35; thirdly, the first side auxiliary seat 37 and the second side auxiliary seat 38 electrically heat the spring wire 16 and shape;

s4, firstly, in the spring heat treatment station 43, the formed spring 62 is sent into a heat treatment device to carry out secondary heat treatment on the formed spring 62; next, at the falling station 46, the falling center guide shaft 35 and the forming spring 62 are received by the side guide bracket 42; again, the ejector ram 47 pushes the shaped spring 62 carrying the central guide shaft 35 axially out of the pocket 4.

In S6, first, at the trimming station, the screw manipulator loosens the jack screw on the front end positioning card slot 40, and pulls out the end of the forming spring 62 clamped in the front end positioning card slot 40 from the side opening of the front end positioning card slot 40; then, the spring extension upper end trimming manipulator 65 and the spring extension lower end trimming manipulator 66 respectively clamp the corresponding ends of the formed spring 62 and heat and shape the spring;

at the first end cap mounting station 60, first, the first end cap feeding assembly 67 receives the fed first end cap 63 at S7; then, the cap feeding holding robot 68 holds the first end cap 63 and is fitted over the lower end of the shaping spring 62 from the lower portion of the central guide shaft 35; secondly, the welding manipulator 69 welds the lower end of the formed spring 62 with the first end cap 63; thirdly, the welding point repairing inner grinding head 70 and/or the welding point repairing lengthened grinding head 71 are used for repairing welding points;

at S8, at the spindle removing station 59, first, the auxiliary robot grips the first end cap 63, and the spline head of the upper end of the upper connection elevation rotation base 74 is inserted into the corresponding spline hole of the lower end of the center guide shaft 35 and drives the center guide shaft 35 to rotate and rise to be separated from the forming spring 62.

According to the invention, the spring steel is preferably coiled for prefabrication through the spring chamber coiling seat 1, the assembly 2 is straightened, the steel wire is straightened and is generally coiled, the wire winding assembly 3 realizes that the steel wire is wound into the spring assembly, the matching frame 4 can be double rows, so that the assembly is convenient to install and clamp, the trimming assembly 5 realizes trimming of the end head of the spring, the rapid and convenient heating is realized through an electric heating mode, the bending memory is eliminated, the first end cap feeding assembly 6 realizes the installation of an end cap, the linear conveying assembly 7 facilitates the linear conveying and guiding, the shaft taking assembly 8 facilitates the separation of the spring and a mandrel, the welding device 9 realizes the movement through a track, so that the welding fixation is realized, and the second end cap feeding assembly 10 realizes the vibration feeding of the end cap. As a specific structure, the reel tray 11 is used for bearing, a rotating seat can be arranged, conventional parts are omitted or simplified, technical characteristics related to the invention point are mainly described, the reel tray does not exist, corresponding functions can be realized by reasonably adding parts, the protection range is wide, for example, a mechanical arm and the like, a guide central shaft 12 plays a role in guiding, a radial gap 13 is rotated, a clamping jaw can be installed, the reel tray can be used for clamping and righting, a lateral traction seat 14 realizes guiding output, a guide roller seat 15 realizes guiding righting, a spring wire 16 realizes linear output, a linear heating pipe 17 plays a role in heating and straightening, a driven lower supporting roller 18, a driven upper elastic roller 19, a driven upper supporting frame 20 realizes auxiliary supporting of a pressing roller 21, and pressing is realized to form a required section. The spring wire is output to the tube seat 22 to realize output. The pipe is output from the bevel port 23, so that the spring wire is partially exposed during guiding to facilitate observation, the lower supporting seat 24, the transverse moving slide block 25, the transverse guiding guide rail 26, the guiding sleeve 27, the grinding wheel cutter seat 28 and the lifting cutter seat 29 are arranged, fixed-size cutting is realized, multi-group flat-row output is realized, and the working efficiency is improved.

Through a lower traction guide roller 30, an upper pinch roller set 31 is used for traction, a plurality of groups of conveying are realized through a guide pipeline 32, an input fixed seat 33 and an eccentric input hole 34 are used for realizing guide, a central guide shaft 35 is used for realizing wire winding to form a spring, a thread guide male groove 36 is used for realizing guide manufacturing, a first side auxiliary seat 37 and a second side auxiliary seat 38 are used for realizing opening and closing, an inner spiral guide groove 39 is used as optimization, a front end positioning clamping groove 40 is used for realizing end fixing, a conversion station disc 41 is used for realizing support mandrel fixing, a side guide bracket 42 is used for carrying, a spring heat treatment station is used for carrying out interaction of heat treatment equipment and carrying out corresponding heat treatment, modes of paint spraying, bluing treatment and the like can be added, a spring manufacturing station 44 is used for realizing support, a redundant station 45 can be a laser engraving machine for realizing label or quality inspection and the like, a falling station 46 realizes automatic falling, an output is realized through an ejection push rod 47 as optimization, realize angle of adjustment through rotatory swing arm 48 and support, it is rotatory that drive rotation axis 49 has realized the drive through spline fit, the propelling movement is realized to direction inclined plane 50, remove manipulator 51 through manipulator lateral shifting arm 52, manipulator side swinging boom 53, manipulator secondary opposite direction shifting arm 54, half set 55 cohesion of manipulator centre gripping and unclamping have been realized, it has realized vertical cohesion dabber middle part to send into vertical station 56, the spring is in the groove, the guide is realized to longitudinal rail 57, second end cap installation upset station 58, go mandrel station 59, first end cap installation station 60 accomplishes corresponding the operation.

Spring article 61 includes, but is not limited to, a formed spring 62, a first end cap 63, and a second end cap 64.

Through spring extension upper end profile modeling manipulator 65, spring extension lower extreme profile modeling manipulator 66 can be operations such as centre gripping, bend, realize the design of end, probe and welding after being convenient for, first end cap material loading subassembly 67, send cap clamping manipulator 68, welding manipulator 69, bistrique 70 in the repair welding spot, repair welding spot extension bistrique 71, reserve welding manipulator 72, top 73 is held up to the side, go up the connection lift roating seat 74, thereby conveniently realize the coping, can be manipulator or manual operation.

The present invention has been described in sufficient detail for clarity of disclosure and is not exhaustive of the prior art.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several technical solutions of the present invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.

Claims

1. A spring article characterized by: the spring product (61) comprises a spiral shaped spring (62); the forming spring (62) is provided with two ends, and the two ends of the forming spring (62) are respectively connected with a first end cap (63) and a second end cap (64);

a first end cap (63) and/or a second end cap (64) having a hollow bore and a connecting flange; the hollow hole is connected with the end of the forming spring (62) in a welding mode, and the connecting flange is used for connecting the corresponding traction piece.

2. The utility model provides an automatic high-efficient preparation production line of spring which characterized in that: comprises that

The spring room coiling seat (1) is coiled with a spring silk thread (16), the spring room coiling seat (1) drives the spring silk thread (16) to rotate or the spring silk thread (16) rotates on the spring room coiling seat (1), so that the spring silk thread (16) is linearly output;

the straightening assembly (2) is used for receiving the spring silk thread (16) output by the spring chamber coiling seat (1) and straightening and shaping the spring silk thread (16);

the wire winding assembly (3) is used for winding a spring formed by mandrel winding on the spring wire (16);

a matching frame (4) for conveying the spring corresponding to the working procedure;

the input end of the linear conveying assembly (7) is provided with one side of the matching frame (4) and is used for receiving the spring output by the wire winding assembly (3), and the spring is driven to move forwards by a push rod or a mechanical arm;

the linear conveying component (7) is provided with:

the trimming assembly (5) is used for performing electric heating bending treatment on the end head of the spring;

a first end cap feeding assembly (6) for mounting a first end cap (63) at the lower end of the spring;

a shaft taking assembly (8) for taking the mandrel off the spring;

a second end cap feeding assembly (10) for mounting a second end cap (64) on the upper end of the spring;

the welding device (9) is provided with a guide rail parallel to the second end cap feeding assembly (10) and is used for welding the end of the spring with the first end cap (63) or the second end cap (64) at a corresponding station;

the production line also includes secondary processing equipment for forming the springs (62).

3. The automatic efficient manufacturing production line of the springs as claimed in claim 2, characterized in that: the spring chamber reel seat (1) comprises a reel tray (11) which is fixedly arranged; a guiding central shaft (12) is arranged at the center of the reel tray (11) and is used for inserting a spring wire (16) to be coiled;

a plurality of rotary radial notches (13) are distributed on the reel tray (11) and are used for mounting side supporting claws which move in the radial direction;

a lateral traction seat (14) is arranged on one side of the reel tray (11), a guide through hole which is tangentially arranged relative to the radius of the reel seat (1) of the spring chamber is arranged on the lateral traction seat (14), and the lateral traction seat is used for coiling a spring silk thread (16) which outputs a straight line;

the straightening assembly (2) comprises a linear heating pipe (17) which is coaxial with the guide through hole and is used for heating a spring silk thread (16) which penetrates through the linear heating pipe, a driven upper support frame (20) is arranged at the output end of the linear heating pipe (17), a driven upper elastic support roller (19) is arranged on the driven upper support frame (20), and a driven lower support roller (18) is arranged below the driven upper elastic support roller (19);

a channel is arranged between the driven lower support roller (18) and the driven upper elastic support roller (19) to advance through the spring wire (16);

a counter-pressure roller (21) is arranged in front of the driven upper support frame (20) and linearly rolls the spring wire (16); the spring wire output tube seat (22) is arranged at the output end of the pinch roller (21), and an air path is arranged on the spring wire output tube seat (22) and used for cooling the spring silk wire (16);

a pipe output inclined plane port (23) is arranged at the outlet of the spring wire output pipe seat (22) and is used for outputting the spring wire (16);

a lower supporting seat (24) is arranged at the end part of the pipe output inclined plane port (23) and is used for supporting the spring silk thread (16), and a lifting cutter seat (29) is arranged on the lower supporting seat (24) and is used for cutting off the spring silk thread (16) on the lower supporting seat (24); a transverse guide rail (26) is arranged at the output end of the lower support seat (24), a transverse moving sliding block (25) is arranged on the transverse guide rail (26), a plurality of guide sleeves (27) are arranged on the transverse moving sliding block (25) side by side and used for bearing the spring silk thread (16) output from the lower support seat (24), and a sharpening grinding wheel tool apron (28) is arranged on one side of the transverse moving sliding block (25) and used for sharpening the end of the spring silk thread (16);

a plurality of groups of lower traction guide rollers (30) are arranged on one side of the lower supporting seat (24), an upper pinch roller set (31) is correspondingly arranged on the lower traction guide rollers (30),

a corresponding channel is arranged between the lower traction guide roller (30) and the upper pinch roller set (31) to feed the cut spring wire (16);

a guide pipeline (32) is arranged in front of the lower traction guide roller (30) and is used for guiding the spring silk thread (16) of the corresponding channel;

the spring wire (16) output by the guide pipeline (32) is sent into the wire winding assembly (3);

the wire winding assembly (3) comprises an input fixing seat (33) with an eccentric input hole (34); a spring manufacturing station (44) is arranged at the front end of the input fixing seat (33);

a first side auxiliary seat (37) and a second side auxiliary seat (38) which are oppositely combined and provided with an inner spiral guide groove (39) are arranged at a spring manufacturing station (44);

when the first side auxiliary seat (37) and the second side auxiliary seat (38) are embraced, the inner spiral guide grooves (39) of the first side auxiliary seat (37) and the second side auxiliary seat (38) are continuously arranged;

a central guide shaft (35) penetrates through a cavity encircled by the first side auxiliary seat (37) and the second side auxiliary seat (38); a thread guide male groove (36) is formed in the central guide shaft (35), a front end positioning clamping groove (40) with a jackscrew is formed in the front end of the central guide shaft (35), the front end positioning clamping groove (40) is opposite to the eccentric input hole (34) and used for bearing the front end of the inserted spring silk thread (16) and is tightly fixed through the jackscrew;

the inner spiral guide groove (39) and the thread guide male groove (36) exist at the same time or alternatively;

when the central guide shaft (35) rotates, the first side auxiliary seat (37) and the second side auxiliary seat (38) are encircled, the first side auxiliary seat (37) is still or linearly and reciprocally advanced while being encircled, when the central guide shaft (35) rotates for one circle, and the first side auxiliary seat (37) and the second side auxiliary seat (38) retreat for one lead;

the matching frame (4) comprises a conversion station disc (41), and an arc-shaped side guide bracket (42) is coaxially and rotatably or fixedly arranged on the outer side of the conversion station disc (41);

a clamping ring groove is arranged on the central guide shaft (35); open clamping grooves are distributed on the conversion station disc (41) and used for clamping a clamping ring groove of the central guide shaft (35) and driving the clamping central guide shaft (35) to rotate, and the clamping central guide shaft sequentially passes through a spring manufacturing station (44), a spring heat treatment station (43), a redundancy station (45) and a falling station (46);

in a spring manufacturing station (44), spring winding is carried out, and meanwhile, the first side auxiliary seat (37) and the second side auxiliary seat (38) are provided with heating wire coils to preheat and shape the formed spring (62); a heat treatment device and a matching manipulator are arranged at the spring heat treatment station (43), and the formed spring (62) is sent into the heat treatment device to carry out secondary heat treatment on the formed spring (62);

a drop station (46) which is arranged downwards, is provided with an ejection push rod (47) at one side and receives a dropped central guide shaft (35) and a forming spring (62) through a side guide bracket (42);

the ejection push rod (47) axially pushes out the forming spring (62) loaded with the central guide shaft (35) away from the matching frame (4);

a rotary swing arm (48) which drives the side guide bracket (42) to rotate is arranged on the back side of the conversion station disc (41);

a driving rotating shaft (49) capable of moving axially is arranged on the back side of the spring manufacturing station (44), corresponding spline holes are formed in two end faces of the central guide shaft (35), and the driving rotating shaft (49) is provided with a spline head.

4. The automatic efficient manufacturing production line of springs according to claim 3, characterized in that: the linear conveying assembly (7) comprises a longitudinal guide rail (57) arranged longitudinally;

a feeding vertical station (56) is arranged at the output end of the falling station (46), a guide inclined plane (50) is arranged at the feeding vertical station (56), and the driving rotating shaft (49) slides along the guide inclined plane (50) to be in a vertical state; a linear guide rail parallel to the linear conveying assembly (7) is arranged at the output end of the guide inclined plane (50), and a moving manipulator (51) runs on the linear guide rail;

the movable manipulator (51) comprises manipulator transverse moving arms (52) which are symmetrically arranged at two sides of the linear conveying assembly (7) and move oppositely; a manipulator side rotating arm (53) is arranged on the two manipulator transverse moving arms (52); a manipulator secondary opposite moving arm (54) is arranged on the manipulator side rotating arm (53), and a manipulator clamping half sleeve (55) is arranged at the end part of the manipulator secondary opposite moving arm (54) and is used for clamping the middle part of the central guide shaft (35) in a vertical state;

a trimming station, a first end cap mounting station (60), a mandrel removing station (59) and a second end cap mounting and overturning station (58) which are positioned at the front side of the feeding vertical station (56) are sequentially arranged on the longitudinal guide rail (57);

at a trimming station, a trimming assembly (5) comprises a spring extension upper end trimming manipulator (65) and a matched screw manipulator which are positioned above the movable manipulator (51), and a spring extension lower end trimming manipulator (66) is arranged below the spring extension upper end trimming manipulator (65);

the front end positioning clamping groove (40) is provided with a side opening; the screw manipulator is used for loosening a jackscrew on the front-end positioning clamping groove (40) and pulling the end of a forming spring (62) clamped in the front-end positioning clamping groove (40) out of the front-end positioning clamping groove (40) from the side opening;

the spring extension upper end shaping manipulator (65) and the spring extension lower end shaping manipulator (66) respectively clamp the corresponding end of the formed spring (62) and are heated and roasted for shaping;

at a first end cap mounting station (60), the first end cap feeding assembly (6) comprises a first end cap feeding assembly (67) and a matched cap feeding clamping mechanical hand (68), the first end cap feeding assembly (67) is used for receiving a fed first end cap (63), and the cap feeding clamping mechanical hand (68) clamps the first end cap (63) and sleeves the first end cap onto the lower end head of the forming spring (62) from the lower part of the central guide shaft (35);

a welding device (9) comprising a longitudinally displaced welding robot (69) and/or a spare welding robot (72); the welding manipulator (69) is matched with a welding point repairing inner grinding head (70) and/or a welding point repairing lengthened grinding head (71) which are controlled by the manipulator and used for repairing welding points; the welding manipulator (69) is used for welding the lower end head of the forming spring (62) with the first end cap (63) and/or welding the upper end head of the forming spring (62) with the second end cap (64), and the welding point repairing inner grinding head (70) and/or the welding point repairing lengthened grinding head (71) are used for repairing welding points;

a lifting rotary seat (74) is arranged below the mandrel removing station (59) and is matched with an auxiliary mechanical hand, the auxiliary mechanical hand is used for clamping the first end cap (63), the upper end of the lifting rotary seat (74) is provided with a spline head, and the spline head is used for being inserted into a corresponding spline hole at the lower end of the central guide shaft (35) and driving the central guide shaft (35) to rotate and ascend to be separated from the forming spring (62);

a turning station (58) is arranged at the second end cap, and a corresponding cap feeding clamping manipulator (68) and a side supporting top head (73) are arranged; the cap feeding clamping manipulator (68) is used for installing the second end cap (64) on the upper end of the forming spring (62) and welding; the manipulator side rotating arm (53) rotates to enable the forming spring (62) to be arranged horizontally or obliquely downwards, the manipulator clamping half sleeve (55) is opened, and the side supporting and ejecting head (73) ejects the forming spring (62) out of the second end cap mounting and overturning station (58).

5. An automatic and efficient spring manufacturing and producing process is characterized in that: for producing a spring product according to claim 1, first a spring wire (16) is wound to form a helical shaped spring (62); then, a first end cap (63) and a second end cap (64) are welded to the two ends of the formed spring (62).