A device and method for automatic threading and assembly of spring resistor

Abstract

The present invention provides a device and method for automatic threading and assembling of a spring resistor, comprising a frame, a wire feeding mechanism, a wire pulling mechanism, a wire cutting mechanism, a guide mechanism, a threading mechanism, and a spring resistor; the frame is provided with a wire cutting station, a wire folding station, and a threading station; the wire feeding mechanism sends the wire rope to the wire cutting station; the wire pulling mechanism moves to the wire cutting station and clamps the wire rope; the wire cutting mechanism cuts the wire rope; the guide mechanism comprises a third driving component and a guide tube assembly, and the third driving component can drive the guide tube assembly to move to the wire folding station or the threading station; the threading mechanism comprises a punching needle assembly and an air blowing assembly, and when the guide tube assembly moves to the wire folding station, the wire pulling mechanism sends the cut wire rope to the guide tube assembly, and the punching needle assembly can punch the wire rope into the guide tube assembly; when the guide tube assembly moves to the threading station, the air blowing assembly blows the wire rope in the guide tube assembly into the spring resistor. The method improves production efficiency, stabilizes the performance of the finished product, and avoids waste.

Description

Technical Field

[0001] The invention relates to the technical field of electronic component manufacturing, and in particular to a device and method for automatic threading and assembling of a spring resistor. Background Art

[0002] In the manufacture of some electronic components, it is necessary to insert a suitable length of double-folded high-temperature silicone braided wire into the spring resistor and then perform wax dipping treatment to protect the spring resistor from deformation and stabilize its electrical performance. The existing manufacturing process is generally manual operation. First, a section of the required length is cut from the high-temperature silicone braided wire coil, and then the wire rope section is manually folded in half. The folded end is pinched and inserted into the wire hole at one end of the spring resistor, and then inserted while rotating until the folded end is inserted into the other end of the spring. Finally, use scissors to cut off the excess wire end of the spring resistor so that the length of the folded high-temperature silicone wire is the same as the length of the spring resistor.

[0003] The existing manual assembly method has the following disadvantages:

[0004] (1) Low production efficiency, high labor intensity, and direct contact with hazardous materials can cause harm to people. All assembly processes rely on manual operation, which results in low production efficiency and high labor intensity. In addition, the glass fiber in the high-temperature silicone braided wire is extremely harmful to the human body and can cause itching and pain on the skin in contact. The glass fiber dust floating in the air can also cause damage to the human respiratory system and body.

[0005] (2) Unstable yield and product performance. When threading the wire manually, one hand holds the spring and the other hand holds the folded silicone wire while rotating and inserting it, which can easily cause the spring to deform, and the insertion depth may be too deep or not deep enough, causing large fluctuations in the electrical performance of the product, unstable product performance, and affecting the yield.

[0006] (3) Waste of materials. After the silicone wire is inserted into place, the section of silicone wire that is finally held by the human hand is actually redundant and needs to be cut off, resulting in a waste of materials. Summary of the invention

[0007] In order to solve the above technical problems, the object of the present invention is to provide a device and method for automatic threading and assembly of a spring resistor.

[0008] To achieve the above objectives, the technical solution of the present invention is as follows.

[0009] A device for automatically threading and assembling a spring resistor, comprising:

[0010] A frame, wherein the frame is provided with a thread cutting station, a thread folding station and a threading station;

[0011] The wire feeding mechanism comprises a first driving component and a first wire clamping assembly, wherein the first wire clamping assembly can clamp the wire rope, and the first driving component can drive the first wire clamping assembly to move and feed the wire rope to the wire cutting station;

[0012] The wire pulling mechanism comprises a second driving component and a second wire clamping assembly, wherein the second driving component can drive the second wire clamping assembly to move to the wire cutting station and clamp the wire rope;

[0013] A wire cutting mechanism, arranged at the wire cutting station, and capable of cutting the wire of the wire cutting station when the second wire clamping assembly clamps the wire rope;

[0014] The guide mechanism comprises a third driving component and a guide tube assembly, wherein the third driving component can drive the guide tube assembly to move to the folding station or the threading station;

[0015] The threading mechanism comprises a punching needle assembly and a blowing assembly, wherein the punching needle assembly is arranged at the line folding station, and the blowing assembly is arranged at the threading station;

[0016] A spring resistor, arranged at the threading station and corresponding to the position of the blowing assembly;

[0017] When the guide tube assembly moves to the folding station, the second driving component can drive the second wire clamping assembly to move and deliver the cut wire rope to the guide tube assembly, and at this time, the punching needle assembly can punch the wire rope into the guide tube assembly;

[0018] When the guide tube assembly moves to the threading station, the blowing assembly can blow the wire rope in the guide tube assembly into the spring resistor.

[0019] Furthermore, it also includes a control system, which is electrically connected to the wire feeding mechanism, the wire pulling mechanism, the wire cutting mechanism, the guide mechanism and the threading mechanism respectively;

[0020] A photoelectric sensor is provided on one side of the thread trimming station for detecting whether the thread rope is fed to the thread trimming station; when the photoelectric sensor detects that the thread rope is fed to the thread trimming station, the control system can control the thread trimming mechanism to start and cut the thread rope corresponding to the thread trimming station;

[0021] When the photoelectric sensor fails to detect that the wire rope is being fed to the wire cutting station, that is, when the wire feeding mechanism is detected to be idle, the control system provides a fault alarm, and the cause needs to be checked to eliminate the fault.

[0022] Furthermore, it also includes a dust suction mechanism, which includes a first dust suction mechanism and a second dust suction mechanism. The first dust suction mechanism is arranged on one side of the wire cutting mechanism, and the second dust suction mechanism is arranged on one side of the spring resistor.

[0023] Furthermore, a wire cutting hole is provided on the wire cutting station, the first dust suction mechanism includes a dust suction nozzle tube, the dust suction nozzle tube is provided with a through hole connected at both ends, one end of the through hole is fixedly connected to the wire cutting hole, and one end of the wire cutting mechanism passes through the through hole and extends out of the wire cutting hole.

[0024] Further, the guide tube assembly comprises:

[0025] A fixing member, fixedly disposed on the sliding member of the third driving member;

[0026] A guide plate is vertically fixed on the fixing member; the guide plate is provided with a guide groove, the guide groove is in a strip shape and is parallel to the moving path of the second driving component; the guide groove is provided with a guide tube hole;

[0027] A guide tube, one end of which is fixed to the lower side of the guide tube hole.

[0028] Furthermore, the top of the guide tube assembly and the platform of the thread trimming station are located on the same plane.

[0029] Further, the punch needle assembly includes a punch needle cylinder and a punch needle sheet, the punch needle cylinder is fixed on the frame, the punch needle sheet is installed on the piston rod end of the punch needle cylinder, and the punch needle cylinder can drive the punch needle sheet to move in the vertical direction;

[0030] When the guide tube assembly moves to the folding line station, the position of the punching needle piece corresponds to the position of the guide tube hole of the guide tube assembly.

[0031] Further, the blowing assembly comprises a blowing cylinder, a blowing nozzle mounting frame and a blowing nozzle, the blowing cylinder is fixed on the frame, the blowing nozzle mounting frame is fixed to the piston rod end of the blowing cylinder, and the blowing nozzle is mounted on the blowing nozzle mounting frame;

[0032] When the guide tube assembly moves to the threading station, the position of the air blowing nozzle corresponds to the position of the guide tube hole of the guide tube assembly.

[0033] Furthermore, a spring resistor positioning tool is provided on the threading station, and the spring resistor is placed on the spring resistor positioning tool. When the guide tube assembly moves to the threading station, the position of the spring resistor corresponds to the position of the guide tube hole of the guide tube assembly.

[0034] The present invention also provides a method for automatically threading and assembling a spring resistor using the above device, comprising the following steps:

[0035] S1, inserting one end of the wire rope into the wire cutting station, and the first wire clamping assembly clamps the wire rope;

[0036] S2, the first driving component drives the first clamping assembly to move from its initial position to the wire trimming station, and the end of the wire rope passes through the wire trimming station;

[0037] S3, the second driving component drives the second clamping assembly to move to the wire cutting station, and the second clamping assembly clamps the end of the wire rope;

[0038] S4, the wire cutting mechanism cuts the wire rope of the wire cutting station;

[0039] S5, the second driving component drives the second clamping assembly to move from the wire cutting station to the wire folding station; the third driving component drives the guide tube assembly to move to the wire folding station and corresponds to the position of the cut wire rope;

[0040] S6, the second clamping assembly releases the cut wire rope and allows the wire rope to fall into the guide groove of the guide tube assembly;

[0041] S7, the punching needle piece of the punching needle assembly extends downward, and as the punching needle piece moves downward, the punching needle piece can fold the wire rope on the guide groove in half and press it into the guide tube hole of the guide tube assembly, and then the punching needle piece withdraws from the guide tube assembly;

[0042] S8, placing the spring resistor at the corresponding position of the threading station; the third driving component drives the guide tube assembly to move from the folding station to the threading station;

[0043] S9. The blowing nozzle of the blowing assembly extends downward, and the straight air outlet conduit of the blowing nozzle is moved to the upper end of the guide tube hole of the guide tube assembly. The blowing nozzle blows air downward, and uses the blown high-pressure gas to blow the wire rope in the guide tube assembly into the spring resistor.

[0044] Beneficial effects of the present invention:

[0045] 1. The present invention proposes a device and method for automatic threading and assembly of spring resistors, which realizes the automated process operations of automatic wire feeding (wire), automatic wire cutting, automatic wire folding, and automatic threading, and is equipped with a vacuum cleaner to vacuum harmful waste and dust. A spring resistor positioning tool is provided, and the spring resistor is manually loaded, which has high production efficiency, low labor intensity, no need for people to contact harmful materials, high safety protection, avoidance of spring deformation during assembly, high assembly consistency, stable performance of the finished product, and can effectively avoid the waste of high-temperature silicone wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a schematic structural diagram of a device for automatic threading and assembling of a spring resistor according to an embodiment of the present invention.

[0047] Figure 2 It is a three-dimensional structural schematic diagram of the internal mechanism of the device in an embodiment of the present invention.

[0048] Figure 3 It is a schematic diagram of the main structure of the internal mechanism of the device in an embodiment of the present invention.

[0049] Figure 4 It is a schematic diagram of the side view structure of the internal mechanism of the device in an embodiment of the present invention.

[0050] Figure 5 It is a schematic diagram of the structure of the elastic wire pressing block in an embodiment of the present invention.

[0051] Figure 6 Schematic diagram of the structure of the wire feeding mechanism in the embodiment of the present invention.

[0052] Figure 7 It is a schematic diagram of the structure of the thread trimming mechanism and the dust suction nozzle pipe in an embodiment of the present invention.

[0053] Figure 8 Schematic diagram of the structure of the guide tube assembly in an embodiment of the present invention.

[0054] Fig. 9 It is a structural schematic diagram of a spring resistor positioning tool and a spring resistor in an embodiment of the present invention.

[0055] Fig.10 Schematic diagram of the structure of the spring resistor in the embodiment of the present invention.

[0056] In the figure, 1, frame; 11, wire trimming station; 111, wire trimming hole; 112, photoelectric sensor; 12, wire folding station; 13, threading station; 14, spring resistance positioning tooling; 15, wire winding mechanism; 16, guide wheel; 17, elastic wire pressing block; 171, wire passing hole; 172, spring wire pressing piece; 2, wire feeding mechanism; 21, first driving component; 22, first wire clamping assembly; 221, first finger cylinder; 222, first wire clamping block; 3, wire pulling mechanism; 31, second driving component; 32, second wire clamping assembly; 4, wire trimming mechanism; 41, wire trimming driving component; 42 , pneumatic scissors; 5. Guide mechanism; 51. The third driving component; 52. Guide tube assembly; 521. Fixing piece; 522. Guide plate; 523. Guide groove; 524. Guide tube hole; 525. Guide tube; 6. Threading mechanism; 61. Punch needle assembly; 611. Punch needle cylinder; 612. Punch needle sheet; 62. Blow assembly; 621. Blow cylinder; 622. Blow nozzle mounting bracket; 623. Blow nozzle; 7. Spring resistor; 8. Cord; 9. Dust suction mechanism; 91. The first dust suction mechanism; 911. Dust suction nozzle tube; 912. Through hole; 92. The second dust suction mechanism. DETAILED DESCRIPTION

[0057] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0058] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0059] See also Figures 1 to 10 A device for automatic threading and assembling of a spring resistor comprises a frame 1, a wire winding mechanism, a wire feeding mechanism 2, a wire pulling mechanism 3, a wire cutting mechanism 4, a guiding mechanism 5, a threading mechanism 6, a spring resistor 7, a wire rope 8, and a dust collecting mechanism 9.

[0060] like Figure 1 The rack 1 is provided with equipment brackets and mounting holes, electrical box and threaded holes, a wire cutting mechanism protective housing, a wire feeding mechanism protective housing, a wire threading mechanism protective housing, and a connecting frame for connecting other parts. Among them, the wire cutting mechanism protective housing, the wire feeding mechanism protective housing, and the wire threading mechanism protective housing are all fixed to the front side of the rack by bolts to protect against safety hazards that may be caused by the operation of each moving mechanism. The electrical box is fixed to the back of the vertical plate of the sub-rack by bolts, and a control system is set in the electrical box to control the operation of the equipment. Figure 2The frame 1 is provided with a wire cutting station 11, a wire folding station 12 and a wire threading station 13, which are arranged in sequence along the moving path of the wire rope. The wire cutting station 11 is mainly used to cut the high-temperature silicone braided wire to the required length; the wire folding station 12 is mainly used to fold the cut wire rope in half and insert it into the guide tube assembly 52; the wire threading station 13 is mainly used to insert the folded end of the folded wire rope into the other end of the spring.

[0061] See also Figure 3 to Figure 4 , a wire winding mechanism 15 is provided at the upper end of one side of the frame 1, and the wire winding mechanism 15 is fixedly mounted on the vertical plate of the frame 1 through a connecting plate. In this embodiment, a rotation damping structure is provided on the wire reel of the wire winding mechanism 15, which is used to install the winding wire rope 8 and provide a certain rotation damping to the wire rope 8 to prevent excessive feeding of the wire rope. The rotation damping structure is an existing structure and will not be repeated here. The wire rope 8 is a high-temperature resistant silicone braided wire, and the wire reel of the high-temperature resistant silicone braided wire is installed on the wire reel of the wire winding mechanism 15, and the wire rope 8 is guided by a guide wheel 16 to penetrate into two elastic wire pressing blocks 17. The guide wheel 16 is installed on the vertical plate of the frame 1, and the two elastic wire pressing blocks 17 are installed on the upper part of the protective casing of the wire cutting mechanism. The elastic wire pressing block 17 is provided with a wire passing hole 171 and a spring wire pressing piece 172, and the spring wire pressing piece is connected to the wire passing hole through a spring, so that the spring wire pressing piece always keeps pressing the wire rope downward. After the wire rope 8 passes through the wire hole 171, it is pressed by the spring wire pressing piece 172 to prevent the wire rope 8 from shrinking when feeding.

[0062] See also Figure 2 and Figure 6 , the wire feeding mechanism 2 includes a first driving component 21 and a first wire clamping assembly 22. The first wire clamping assembly 22 can clamp the wire rope 8. The first driving component 21 can drive the first wire clamping assembly 22 to move and send the wire rope 8 to the wire cutting station 11; specifically, the first driving component 21 includes a first slide cylinder, and the first slide cylinder is installed on the connecting frame on the vertical plate of the frame 1. The first wire clamping assembly 22 includes a first finger cylinder 221 and two first wire clamping blocks 222. The first finger cylinder 221 is installed on the piston end plate connecting plate of the first slide cylinder. The two first wire clamping blocks 222 are installed on the finger connecting plate of the first finger cylinder 221. When in use, the first finger cylinder is driven by the first slide cylinder to move horizontally; the two first wire clamping blocks are driven by the first finger cylinder to move closer or farther from each other to achieve the clamping and loosening of the wire rope. The first slide cylinder and the first finger cylinder are both existing structures and will not be repeated here. In this embodiment, the action judgment of each cylinder has a magnetic limit switch.

[0063] See also Figure 2The wire pulling mechanism 3 includes a second driving component 31 and a second wire clamping assembly 32. The second driving component 31 can drive the second wire clamping assembly 32 to move to the wire cutting station 11 and clamp the wire rope 8; specifically, the second driving component 31 includes a second slide cylinder, and the second slide cylinder is installed on the connecting frame on the vertical plate of the frame 1. The second wire clamping assembly 32 includes a second finger cylinder and two second wire clamping blocks, and the second finger cylinder is installed on the piston end plate connecting plate of the second slide cylinder. The two second wire clamping blocks are installed on the finger connecting plate of the second finger cylinder. The structure of the wire pulling mechanism 3 is basically the same as that of the wire feeding mechanism 2. The wire feeding mechanism 2 is mainly used to feed the end of the wire rope into the wire cutting station; the wire pulling mechanism 3 is mainly used to move the cut wire rope from the wire cutting station to the wire folding station.

[0064] See also Figure 2 and Figure 7 The wire cutting mechanism 4 is arranged at the wire cutting station 11. When the second wire clamping assembly 32 clamps the wire rope 8, the wire cutting mechanism 4 can cut the wire rope 8 at the wire cutting station 11. Specifically, Figure 7 The wire cutting mechanism 4 includes a wire cutting drive component 41 and a pneumatic scissors 42. The wire cutting drive component 41 is a cylinder. One end of the pneumatic scissors 42 is mounted on the connecting frame of the vertical plate of the frame 1. The other end of the pneumatic scissors 42 is mounted on the dust suction nozzle pipe 911 of the first dust suction mechanism 91. The scissor mouth of the pneumatic scissors 42 passes through the rectangular opening of the dust suction nozzle pipe 911 and the rectangular hole on the upper part of the wire cutting mechanism protection housing. The wire cutting drive component 41 is connected to one end of the pneumatic scissors 42 through two connecting rods. When in use, the wire cutting drive component 41 drives one end of the pneumatic scissors 42 to open or close, thereby opening or closing the other end of the pneumatic scissors 42. When the high temperature resistant silicone braided wire passes through the scissor mouth, it can be cut.

[0065] See also Figure 3 and Figure 8 The guide mechanism 5 includes a third driving component 51 and a guide tube assembly 52. ​​The third driving component 51 can drive the guide tube assembly 52 to move to the folding station 12 or the threading station 13. The third driving component 51 includes a third slide cylinder, and the third slide cylinder is installed on the vertical plate of the frame 1. The guide tube assembly 52 is installed on the slider of the third slide cylinder. The third slide cylinder can drive the guide tube assembly to reciprocate to the folding station and the threading station. Specifically, Figure 8The guide tube assembly 52 includes: a fixing member 521, a guide plate 522 and a guide tube 525. The fixing member 521 is fixedly arranged on the sliding member of the third driving member 51; the guide plate 522 is vertically fixed on the fixing member 521; the guide plate 522 has a guide groove 523, which is in a strip shape and parallel to the moving path of the second driving member 31; the guide groove 523 is provided with a guide tube hole 524; one end of the guide tube 525 is fixed to the lower side of the guide tube hole 524. In this embodiment, the top of the guide tube assembly 52 is located on the same plane as the platform of the thread trimming station 11.

[0066] See also Figure 2 and Figure 3 The threading mechanism 6 includes a punching needle assembly 61 and a blowing assembly 62. The punching needle assembly 61 is arranged at the folding line station 12, and the blowing assembly 62 is arranged at the threading line station 13. Specifically, the punching needle assembly 61 includes a punching needle cylinder 611 and a punching needle piece 612. The punching needle cylinder 611 is fixed on the frame 1, and the punching needle piece 612 is installed on the piston rod end of the punching needle cylinder 611. The punching needle cylinder 611 can drive the punching needle piece 612 to move in the vertical direction; when the guide tube assembly 52 moves to the folding line station 12, the position of the punching needle piece 612 corresponds to the position of the guide tube hole 524 of the guide tube assembly 52.

[0067] The blowing assembly 62 includes a blowing cylinder 621, a blowing nozzle mounting bracket 622 and a blowing nozzle 623. The blowing cylinder 621 is fixed on the frame 1, the blowing nozzle mounting bracket 622 is fixed to the end of the piston rod of the blowing cylinder 621, and the blowing nozzle 623 is installed on the blowing nozzle mounting bracket 622; when the guide tube assembly 52 moves to the threading station 13, the position of the blowing nozzle 623 corresponds to the position of the guide tube hole 524 of the guide tube assembly 52.

[0068] See also Fig. 9 and Fig.10 , the spring resistor 7 is arranged at the threading station 13, and corresponds to the position of the blowing assembly 62; the threading station 13 is provided with a blowing spring resistor positioning tool 14, and the spring resistor 7 is placed on the blowing spring resistor positioning tool 14. When the guide tube assembly 52 moves to the threading station 13, the position of the spring resistor 7 corresponds to the position of the guide tube hole 524 of the guide tube assembly 52. ​​The spring resistor positioning tool is installed on the corresponding connecting frame on the vertical plate of the frame 1. The spring resistor is placed in the corresponding position of the spring resistor positioning tool by manual operation. When the guide tube assembly 52 moves to the folding station 12, the second driving component 31 can drive the second clamping assembly 32 to move, and send the cut wire rope 8 to the guide tube assembly 52, at this time, the punching needle assembly 61 can punch the wire rope 8 into the guide tube assembly 52; when the guide tube assembly 52 moves to the threading station 13, the blowing assembly 62 can blow the wire rope 8 in the guide tube assembly 52 into the spring resistor 7.

[0069] The control system is electrically connected to the wire feeding mechanism 2, the wire pulling mechanism 3, the wire cutting mechanism 4, the guide mechanism 5 and the threading mechanism 6 respectively; a photoelectric sensor 112 is provided on one side of the wire cutting station 11 to detect whether the wire rope 8 is fed to the wire cutting station 11; when the photoelectric sensor 112 detects that the wire rope 8 is fed to the wire cutting station 11, the control system can control the wire cutting mechanism 4 to start and cut the wire rope 8 corresponding to the wire cutting station 11. When the photoelectric sensor 112 does not detect that the wire rope 8 is fed to the wire cutting station 11, that is, when the wire feeding mechanism 2 is detected to be idle, the control system provides a fault alarm, and the cause needs to be checked and the fault needs to be eliminated.

[0070] See also Figure 1 and Figure 2 The dust suction mechanism 9 includes a first dust suction mechanism 91 and a second dust suction mechanism 92, and the first dust suction mechanism 91 is arranged on one side of the wire cutting mechanism 4. The first dust suction mechanism 91 includes a dust suction nozzle pipe, a first vacuum scrap collector, a dust suction pipe and a first dust bag, and they are connected in sequence. The first vacuum scrap collector is installed in the wire cutting mechanism protection housing through a pipe clamp. The dust suction nozzle pipe 911 is installed on the suction pipe of the first vacuum scrap collector, and the dust suction pipe connects the first dust bag to the air outlet pipe of the first vacuum scrap collector. The wire cutting station 11 is provided with a wire cutting hole 111, and the first dust suction mechanism 91 includes a dust suction nozzle pipe 911. The dust suction nozzle pipe 911 is provided with a through hole 912 connected at both ends, and one end of the through hole 912 is fixedly connected to the wire cutting hole 111. One end of the wire cutting mechanism 4 passes through the through hole 912 and extends out of the wire cutting hole 111.

[0071] The second dust collecting mechanism 92 is arranged on one side of the spring resistor 7. The second dust collecting mechanism 92 includes a second vacuum dust collector and a second dust collecting bag, which are connected in sequence. The suction pipe of the second vacuum dust collector is connected to the hole of the shell side plate of the spring resistor positioning tool 14. The air outlet pipe of the second vacuum dust collector is connected to the second dust collecting bag. The dust collecting mechanism is a vacuum dust collecting device, which is mainly used for dusting harmful waste and dust.

[0072] The specific working process is as follows:

[0073] The method for automatically threading and assembling a spring resistor using the above device comprises the following steps:

[0074] S1, insert one end of the wire rope 8 into the wire cutting station 11, and the first wire clamping assembly 22 clamps the wire rope 8;

[0075] S2, the first driving component 21 drives the first wire clamping assembly 22 to move from its initial position to the wire cutting station 11, and the end of the wire rope 8 passes through the wire cutting station 11;

[0076] S3, the second driving component 31 drives the second wire clamping assembly 32 to move to the wire cutting station 11, and the second wire clamping assembly 32 clamps the end of the wire rope 8;

[0077] S4, the thread cutting mechanism 4 cuts the thread rope 8 of the thread cutting station 11;

[0078] S5, the second driving component 31 drives the second wire clamping assembly 32 to move from the wire cutting station 11 to the wire folding station 12; the third driving component 51 drives the guide tube assembly 52 to move to the wire folding station 12, and corresponds to the position of the cut wire rope 8;

[0079] S6, the second wire clamping assembly 32 releases the cut wire rope 8 and allows the wire rope 8 to fall into the guide groove 523 of the guide tube assembly 52;

[0080] S7, the punching needle piece 612 of the punching needle assembly 61 extends downward, and as the punching needle piece 612 moves downward, the punching needle piece 612 can fold the wire rope 8 on the guide groove 523 in half and press it into the guide tube hole 524 of the guide tube assembly 52, and then the punching needle piece 612 withdraws from the guide tube assembly 52;

[0081] S8, placing the spring resistor 7 at the corresponding position of the threading station 13; the third driving component 51 drives the guide tube assembly 52 to move from the folding station 12 to the threading station 13;

[0082] S9. The blowing nozzle 623 of the blowing assembly 62 extends downward, and the straight air outlet conduit of the blowing nozzle 623 moves to the upper end of the guide tube hole 524 of the guide tube assembly 52. ​​The blowing nozzle 623 blows air downward, and uses the blown high-pressure gas to blow the wire rope 8 in the guide tube assembly 52 into the spring resistor 7.

[0083] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for automatic threading and assembly of spring resistors, characterized in that: include: A frame (1), wherein the frame (1) is provided with a thread cutting station (11), a thread folding station (12) and a threading station (13); The wire feeding mechanism (2) comprises a first driving component (21) and a first wire clamping assembly (22), wherein the first wire clamping assembly (22) is capable of clamping the wire rope (8), and the first driving component (21) is capable of driving the first wire clamping assembly (22) to move and feed the wire rope (8) to the wire cutting station (11); The wire pulling mechanism (3) comprises a second driving component (31) and a second wire clamping assembly (32), wherein the second driving component (31) is capable of driving the second wire clamping assembly (32) to move to the wire cutting station (11) and clamp the wire rope (8); A wire cutting mechanism (4) is arranged at the wire cutting station (11), and when the second wire clamping assembly (32) clamps the wire rope (8), the wire cutting mechanism (4) can cut the wire rope (8) at the wire cutting station (11); The guide mechanism (5) comprises a third driving component (51) and a guide tube assembly (52), wherein the third driving component (51) is capable of driving the guide tube assembly (52) to move to the folding station (12) or the threading station (13); A threading mechanism (6), comprising a punching needle assembly (61) and an air blowing assembly (62), wherein the punching needle assembly (61) is arranged at the line folding station (12), and the air blowing assembly (62) is arranged at the threading station (13); A spring resistor (7) is arranged at the threading station (13) and corresponds to the position of the blowing component (62); When the guide tube assembly (52) moves to the folding station (12), the second driving component (31) can drive the second clamping assembly (32) to move and deliver the cut wire rope (8) to the guide tube assembly (52), and at this time, the punching needle assembly (61) can punch the wire rope (8) into the guide tube assembly (52); When the guide tube assembly (52) moves to the threading station (13), the blowing assembly (62) can blow the wire rope (8) in the guide tube assembly (52) into the spring resistor (7).

2. The device for automatic threading and assembly of spring resistors according to claim 1, characterized in that: It also includes a control system, which is electrically connected to the wire feeding mechanism (2), the wire pulling mechanism (3), the wire cutting mechanism (4), the guide mechanism (5) and the wire threading mechanism (6) respectively; A photoelectric sensor (112) is provided on one side of the thread trimming station (11) for detecting whether the thread rope (8) is fed to the thread trimming station (11); when the photoelectric sensor (112) detects that the thread rope (8) is fed to the thread trimming station (11), the control system can control the thread trimming mechanism (4) to start and cut the thread rope (8) corresponding to the thread trimming station (11).

3. The device for automatic threading and assembly of spring resistors according to claim 1, characterized in that: It also comprises a dust suction mechanism (9), the dust suction mechanism (9) comprising a first dust suction mechanism (91) and a second dust suction mechanism (92), the first dust suction mechanism (91) being arranged on one side of the thread cutting mechanism (4), and the second dust suction mechanism (92) being arranged on one side of the spring resistor (7).

4. The device for automatic threading and assembly of spring resistors according to claim 3, characterized in that: The thread trimming station (11) is provided with a thread trimming hole (111); the first dust suction mechanism (91) comprises a dust suction nozzle pipe (911); the dust suction nozzle pipe (911) is provided with a through hole (912) with two ends connected; one end of the through hole (912) is fixedly connected to the thread trimming hole (111); one end of the thread trimming mechanism (4) passes through the through hole (912) and extends out of the thread trimming hole (111).

5. The device for automatic threading and assembly of spring resistors according to claim 1, characterized in that: The guide tube assembly (52) comprises: A fixing member (521) fixedly arranged on the sliding member of the third driving member (51); A guide plate (522) is vertically fixed on the fixing member (521); the guide plate (522) is provided with a guide groove (523), the guide groove (523) is in a strip shape and is parallel to the moving path of the second driving component (31); the guide groove (523) is provided with a guide tube hole (524); A guide tube (525) has one end fixed to the lower side of the guide tube hole (524).

6. The device for automatic threading and assembly of spring resistors according to claim 1, characterized in that: The top of the guide tube assembly (52) and the platform of the thread trimming station (11) are located on the same plane.

7. The device for automatic threading and assembly of spring resistors according to claim 5, characterized in that: The punch needle assembly (61) comprises a punch needle cylinder (611) and a punch needle plate (612), wherein the punch needle cylinder (611) is fixed on the frame (1), and the punch needle plate (612) is mounted on the piston rod end of the punch needle cylinder (611), and the punch needle cylinder (611) can drive the punch needle plate (612) to move in a vertical direction; When the guide tube assembly (52) moves to the folding line station (12), the position of the punching needle plate (612) corresponds to the position of the guide tube hole (524) of the guide tube assembly (52).

8. The device for automatic threading and assembly of spring resistors according to claim 7, characterized in that: The blowing assembly (62) comprises a blowing cylinder (621), a blowing nozzle mounting frame (622) and a blowing nozzle (623); the blowing cylinder (621) is fixed on the frame (1); the blowing nozzle mounting frame (622) is fixed on the piston rod end of the blowing cylinder (621); and the blowing nozzle (623) is mounted on the blowing nozzle mounting frame (622); When the guide tube assembly (52) moves to the threading station (13), the position of the air blowing nozzle (623) corresponds to the position of the guide tube hole (524) of the guide tube assembly (52).

9. The device for automatic threading and assembly of spring resistors according to claim 5, characterized in that: The threading station (13) is provided with a spring resistor positioning tool (14), and the spring resistor (7) is placed on the spring resistor positioning tool (14). When the guide tube assembly (52) moves to the threading station (13), the position of the spring resistor (7) corresponds to the position of the guide tube hole (524) of the guide tube assembly (52).

10. A method for automatically threading and assembling a spring resistor using the device of claim 8, characterized in that: The following steps are involved: S1, inserting one end of the wire rope (8) into the wire cutting station (11), and the first wire clamping assembly (22) clamps the wire rope (8); S2, the first driving component (21) drives the first wire clamping assembly (22) to move from its initial position to the wire cutting station (11), and at this time, the end of the wire rope (8) passes through the wire cutting station (11); S3, the second driving component (31) drives the second wire clamping assembly (32) to move to the wire cutting station (11), and the second wire clamping assembly (32) clamps the end of the wire rope (8); S4, the thread cutting mechanism (4) cuts the thread rope (8) of the thread cutting station (11); S5, the second driving component (31) drives the second wire clamping assembly (32) to move from the wire cutting station (11) to the wire folding station (12); the third driving component (51) drives the guide tube assembly (52) to move to the wire folding station (12) and corresponds to the position of the cut wire rope (8); S6, the second wire clamping assembly (32) loosens the cut wire rope (8), and allows the wire rope (8) to fall into the guide groove (523) of the guide tube assembly (52); S7, the punching needle piece (612) of the punching needle assembly (61) extends downward, and as the punching needle piece (612) moves downward, the punching needle piece (612) can fold the wire rope (8) on the guide groove (523) in half and press it into the guide tube hole (524) of the guide tube assembly (52), and then the punching needle piece (612) withdraws from the guide tube assembly (52); S8, placing the spring resistor (7) at a corresponding position of the threading station (13); the third driving component (51) drives the guide tube assembly (52) to move from the folding station (12) to the threading station (13); S9. The blowing nozzle (623) of the blowing assembly (62) extends downward, and the straight air outlet conduit of the blowing nozzle (623) is moved to the upper end of the guide tube hole (524) of the guide tube assembly (52). The blowing nozzle (623) blows air downward, and uses the blown high-pressure gas to blow the wire rope (8) in the guide tube assembly (52) into the spring resistor (7).

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