Spring manufacturing apparatus and method

Abstract

The application relates to the technical field of spring manufacturing, in particular to a spring manufacturing device and method, which comprises a base, first and second supports are fixedly connected to the two ends of the top of the base, a sliding groove is arranged on the first support, a movable block is slidably connected in the sliding groove, a fixed shaft is fixedly connected to one end of the movable block, a rotating sleeve is rotatably connected to the surface of the fixed shaft, and the fixed shaft and the rotating sleeve are located between the first and second supports; in the process of steel wire winding, the oil liquid can be accurately sprayed on the winding contact position through the quantitative spraying of the nozzle, the spraying amount of the oil liquid can be effectively controlled, oil liquid waste is reduced, the oil liquid spraying is triggered through the contact pressure, the oil liquid spraying and the winding of the steel wire are synchronously performed, the flowing and dripping of the oil liquid caused by early smearing is reduced, and the uniformity of the oil film is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spring manufacturing, in particular to a spring manufacturing device and method. BACKGROUND

[0002] Spring manufacturing mainly goes through three links of coiling, heat treatment and surface treatment. First, through cold coiling or hot coiling process, the steel wire or steel bar is wound into a preset shape. Then the key heat treatment is carried out to eliminate internal stress and stabilize the elasticity and mechanical properties. Finally, surface treatment such as shot blasting and electroplating is carried out to enhance fatigue resistance and corrosion resistance, and finally the product is put into the market after strict detection.

[0003] The patent document with publication number CN118253673A discloses a manufacturing device for springs, relating to the technical field of spring manufacturing, comprising a base, a fixed seat on one side of the top of the base, and a rotary three-jaw chuck installed on the upper part of the inner side of the fixed seat. The top surface of the base is installed with a linear motor, the inside of the positioning groove is provided with an auxiliary mechanism, the rotary three-jaw chuck clamps a positioning rod, the other side of the top surface of the base is provided with a guide seat, and the inside of the horizontal moving cavity is provided with a driving assembly.

[0004] In the prior art, when the steel wire is spirally wound, oil is usually brushed on the surface of the winding roller for lubrication and to prevent sticking. However, in the actual operation process, it is difficult to accurately control the amount of oil brushing with a brush, which can easily cause uneven thickness of the oil film on the surface of the winding roller. Moreover, when brushing oil in a continuous manner, the contact position of the spring with the winding roller only accounts for a small part of the brushing position, resulting in a large amount of oil not being effectively utilized, causing waste of oil. SUMMARY

[0005] The present application aims to solve the problems existing in the prior art and provides a spring manufacturing device and method.

[0006] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a spring manufacturing device, comprising a base, first and second supports fixedly connected at both ends of the top of the base, a sliding groove is formed in the first support, an activity block is slidably connected in the sliding groove, a fixed shaft is fixedly connected to one end of the activity block, a rotating sleeve is rotatably connected to the surface of the fixed shaft, the fixed shaft and the rotating sleeve are located between the first and second supports, and a driving displacement assembly is arranged on the activity block.

[0007] The rotating column is fixedly connected to the second support, a first motor is fixedly installed on the second support, the output shaft of the first motor is fixedly connected to the rotating column, an installation ring is fixedly connected to one end of the rotating column close to the rotating sleeve, a clamping assembly is arranged on the installation ring, a circular abutting plate is fixedly connected to the first support, the circular abutting plate is located above the rotating sleeve, a first limiting assembly is arranged between the fixed shaft and the rotating sleeve, and a second limiting assembly is arranged on the rotating column;

[0008] A plurality of nozzles are fixedly inserted on the rotating sleeve, a pressure sensor is fixedly installed on each nozzle, the plurality of nozzles are distributed in a spiral shape along the surface of the rotating sleeve, the nozzles and the pressure sensors are attached to the surface arc of the rotating sleeve, a first spiral groove is formed in the interior of the rotating sleeve, one end of each nozzle is in communication with the first spiral groove, a pumping assembly is arranged on the first spiral groove, and a wire roller is arranged on one side of the rotating sleeve.

[0009] Preferably, a second spiral groove is formed in the surface of the rotating sleeve, the fixed insertion positions of the nozzles and the pressure sensors are in communication with the second spiral groove, a plurality of spiral support strips are fixedly connected in the interior of the second spiral groove, the spiral support strips are located between two adjacent pressure sensors, a gap exists between the spiral support strips and the two sides of the second spiral groove, and the spiral support strips are attached to the surface arc of the rotating sleeve.

[0010] Preferably, an electrostatic generator is arranged on one side of the wire roller, a metal ring is electrically connected to the electrostatic generator, the metal ring is arranged between the wire roller and the rotating sleeve, an electrode core shaft is fixedly installed on the base, and the bottom end of the electrode core shaft is grounded.

[0011] Preferably, a ring-shaped shell is fixedly connected to one end of the interior of the sliding groove close to the rotating sleeve, the ring-shaped shell is slidably sleeved on the rotating sleeve, a communication hole is formed in the rotating sleeve, the two ends of the communication hole are in communication with the ring-shaped shell and the first spiral groove respectively, a liquid storage cylinder is fixedly connected to the base, a liquid pump is fixedly installed on the first support, a liquid inlet pipe is fixedly connected in communication between the liquid inlet end of the liquid pump and the liquid storage cylinder, and a liquid outlet pipe is fixedly connected in communication between the liquid outlet end of the liquid pump and the ring-shaped shell.

[0012] Preferably, a placing groove is formed in the base, a collection shell is arranged in the interior of the placing groove, a filter plate is fixedly connected in the interior of the collection shell, a guide hopper is fixedly connected to one side of the first support close to the collection shell, and the guide hopper is located below the ring-shaped shell.

[0013] Preferably, the clamping assembly comprises a limiting sleeve, the limiting sleeve is fixedly connected to the installation ring, a clamping strip is slidably connected in the interior of the limiting sleeve, a first electric cylinder is fixedly installed on the limiting sleeve, and a transmission shaft of the first electric cylinder is fixedly connected to the clamping strip.

[0014] Preferably, the first support and the second support are fixedly connected with a U-shaped support, the inside of the U-shaped support is slidably connected with a sliding bar, a second electric cylinder is fixedly installed on the U-shaped support, the transmission shaft of the second electric cylinder is fixedly connected with the sliding bar, the two sides of the top of the sliding bar are fixedly connected with strip-shaped housings, the two strip-shaped housings are located at the bottom of the one side of the clamping strip and the circular abutting plate respectively, the top of the strip-shaped housing is provided with an arc-shaped groove, the inside of the arc-shaped groove is fixedly connected with a liquid absorbing cotton, the bottom of the liquid absorbing cotton is in communication with the inside of the strip-shaped housing, the top of the strip-shaped housing is fixedly and communicatively provided with a perfusion port, and a one-way valve is fixedly installed on the perfusion port.

[0015] Preferably, the first limiting assembly comprises a limiting sleeve nozzle, the limiting sleeve nozzle is fixedly connected to one end of the rotating sleeve, two limiting holes are formed in the rotating sleeve and the limiting sleeve nozzle, a let-in groove is formed in the inside of the fixed shaft, a movable plate is slidably connected to the inside of the let-in groove, a polished rod is fixedly connected to the inside of the let-in groove, the polished rod is slidably inserted into the movable plate, an extrusion spring is sleeved on the polished rod, the extrusion spring is fixedly connected between the movable plate and one end of the let-in groove, two circular pins are fixedly connected to the movable plate, and the two circular pins penetrate through the fixed shaft and extend to the outside of the fixed shaft and are in communication with the corresponding limiting holes.

[0016] The second limiting assembly comprises a limiting groove, the limiting groove is formed in one end of the rotating column, the limiting sleeve nozzle is located in the inside of the limiting groove, and two extrusion pins are fixedly connected in the limiting groove, the two extrusion pins are respectively located in the inside of the corresponding limiting holes and are in contact with the corresponding circular pins.

[0017] Preferably, the reciprocating moving assembly comprises a mounting rack, the mounting rack is fixedly connected between one side of the first support and the second support, a sliding block is slidably connected to the inside of the mounting rack, a lead screw is rotatably connected to the inside of the mounting rack, the sliding block is threadedly connected to the lead screw, a second motor is fixedly installed on the mounting rack, the output shaft of the second motor is fixedly connected to one end of the lead screw, a fixed support is fixedly connected to the top of the sliding block, the wire roller is fixedly connected to the inside of the fixed support, and the electrostatic generator and the metal ring are fixedly installed on the sliding block.

[0018] The driving displacement assembly comprises a placing housing, the placing housing is fixedly connected to one end of the first support away from the second support, the inside of the placing housing is in communication with the sliding groove, a third electric cylinder is fixedly installed on the placing housing, and the transmission shaft of the third electric cylinder is fixedly connected to the movable block.

[0019] A manufacturing method of a spring manufacturing device, the method comprising the following steps:

[0020] Step 1: One end of the steel wire moves along the bottom of the guide roller to the top of the rotating sleeve. The clamping assembly clamps and fixes one end of the steel wire to the top of the rotating sleeve. The rotating column drives the rotating sleeve to rotate and wind the steel wire along the surface of the rotating sleeve. The other end of the steel wire is pressed onto the rotating sleeve by the squeezing and limiting action of the circular abutment.

[0021] Step 2: The pumping assembly pumps the oil into the interior of the first spiral groove. When the steel wire spirally winds along the surface of the rotating sleeve, the steel wire contacts multiple pressure sensors on the surface of the rotating sleeve in sequence. The pressure generated by the contact causes the corresponding pressure sensor to emit a pressure signal, which is then transmitted to the controller connected to the pressure sensor. After receiving the pressure signal, the controller opens the nozzle switch and sprays the oil inside the first spiral groove into the contact position between the rotating sleeve and the steel wire through the corresponding nozzle in a metered manner.

[0022] Step 3: Drive the movable block to move by the action of the drive displacement component, so that the fixed shaft and the rotating sleeve move into the sliding groove, thereby unwinding the coiled spring from the surface of the rotating sleeve and completing the unloading of the spring.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. During the wire winding process, the oil is precisely sprayed onto the winding contact position through the nozzle in a metered spray, which can effectively control the amount of oil sprayed, thereby effectively reducing the amount of oil used and reducing oil waste. Furthermore, the oil spray is triggered by the contact pressure, so that the oil spraying and wire winding are synchronized, reducing the flow and dripping phenomenon caused by the pre-applied oil, improving the uniformity of the oil film, and improving the lubrication and heat dissipation effect in the spring manufacturing process.

[0025] 2. By setting a spiral support bar inside the second spiral groove, the spiral support bar is used to contact and support the wound steel wire, preventing the steel wire from embedding into the second spiral groove during the winding process and increasing the difficulty of unloading. The additionally sprayed oil flows along the gap between the spiral support bar and both sides of the second spiral groove, and wets the surface of the spiral support bar during the flow. Thus, while the steel wire is in contact with the spiral support bar, the additionally sprayed oil flows and covers the contact position between the steel wire and the spiral support bar, changing the oil coverage position of the rotating sleeve from point to line, reducing the impact of the density of the nozzle distribution on the oil coverage.

[0026] 3. When the one end of the steel wire moves along the bottom of the guide roller to the top of the rotating sleeve, the steel wire passes through the inside of the metal ring and carries positive charges, the oil is sprayed along the nozzle on the surface of the rotating sleeve and carries negative charges, the oil carrying negative charges repel each other, so it is difficult to coagulate into a group, at the same time, the oil is attracted to the surface of the steel wire carrying positive charges and forms a uniform oil film on the surface of the steel wire, further improving the uniformity of oil distribution. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the first structure schematic diagram of the application;

[0028] Figure 2 It is the first structure schematic diagram of the application; Figure 1

[0029] Figure 3 It is the first structure schematic diagram of the application; Figure 1

[0030] Figure 4 It is the second structure schematic diagram of the application;

[0031] Figure 5 It is the first structure schematic diagram of the application; Figure 4

[0032] Figure 6 It is the first structure schematic diagram of the application;

[0033] Figure 7 It is the first structure schematic diagram of the application; Figure 6

[0034] Figure 8 It is the first structure schematic diagram of the application; Figure 6

[0035] Figure 9 It is the first structure schematic diagram of the application;

[0036] Figure 10 It is the first structure schematic diagram of the application; Figure 9

[0037] Figure 11 It is the first structure schematic diagram of the application;

[0038] Figure 12 It is the first structure schematic diagram of the application; Figure 11

[0039] Figure 13 It is the first structure schematic diagram of the application; ​​​​​​​

[0040] Fig. 1, base; 2, first support; 3, second support; 4, sliding groove; 5, movable block; 6, fixed shaft; 7, rotating sleeve; 8, rotating column; 9, first motor; 10, mounting ring; 11, circular stop plate; 12, nozzle; 13, pressure sensor; 14, first spiral groove; 15, wire roller; 16, second spiral groove; 17, spiral support strip; 18, electrostatic generator; 19, metal ring; 20, electrode core shaft; 21, annular housing; 22, communication hole; 23, liquid storage cylinder; 24, liquid pump; 25, liquid inlet pipe; 26, liquid outlet pipe; 27, placement groove; 28, collection housing; 29, filter plate; 30, guide hopper; 31, limiting sleeve; 32, clamping strip; 33, first electric cylinder; 34, U-shaped support; 35, sliding strip; 36, second electric cylinder; 37, strip-shaped housing; 38, arc-shaped groove; 39, liquid absorbing cotton bar; 40, infusion port; 41, one-way valve; 42, limiting sleeve nozzle; 43, limiting hole; 44, clearance groove; 45, movable plate; 46, light rod; 47, extrusion spring; 48, circular pin; 49, limiting groove; 50, extrusion pin; 51, mounting frame; 52, sliding block; 53, screw rod; 54, second motor; 55, fixed support; 56, placement housing; 57, third electric cylinder. DETAILED DESCRIPTION

[0041] The following description is provided to enable those skilled in the art to implement the present application. The preferred embodiments in the following description are only examples and other obvious modifications can be made by those skilled in the art.

[0042] As Figures 1 to 13 shown in a spring manufacturing device, comprising a base 1, the top of the base 1 is fixedly connected with a first support 2 and a second support 3 at both ends respectively, a sliding groove 4 is formed in the first support 2, a movable block 5 (as Figure 6 shown) is slidably connected in the sliding groove 4, one end of the movable block 5 is fixedly connected with a fixed shaft 6, the surface of the fixed shaft 6 is rotatably connected with a rotating sleeve 7, the fixed shaft 6 and the rotating sleeve 7 are located between the first support 2 and the second support 3, and a driving displacement assembly is arranged on the movable block 5;

[0043] A rotating column 8 is rotatably connected to the second support 3, a first motor 9 is fixedly installed on the second support 3, the output shaft of the first motor 9 is fixedly connected to the rotating column 8, a mounting ring 10 is fixedly connected to one end of the rotating column 8 close to the rotating sleeve 7, a clamping assembly is arranged on the mounting ring 10, a circular stop plate 11 is fixedly connected to the first support 2, the circular stop plate 11 is located above the rotating sleeve 7, a first limiting assembly is arranged between the fixed shaft 6 and the rotating sleeve 7, and a second limiting assembly is arranged on the rotating column 8;

[0044] A plurality of nozzles 12 (as Figure 10 shown) are fixedly inserted on the rotating sleeve 7,Figure 12 As shown, a pressure sensor 13 is fixedly installed on each nozzle 12 (as shown) Figure 10 As shown, a plurality of nozzles 12 are distributed in a spiral along the surface of the rotating sleeve 7, the nozzles 12 and the pressure sensors 13 are attached to the surface of the rotating sleeve 7, a first spiral groove 14 is formed in the interior of the rotating sleeve 7, one end of each nozzle 12 is connected to the first spiral groove 14, a pumping assembly is arranged on the first spiral groove 14, and a wire roller 15 is arranged on one side of the rotating sleeve 7 (as shown) Figure 5 As shown, a reciprocating moving assembly is arranged on the wire roller 15;

[0045] One end of the steel wire for winding the spring is moved along the bottom of the wire roller 15 to the top of the rotating sleeve 7, and then the one end of the steel wire is clamped and fixed at the top of the rotating sleeve 7 by the clamping assembly, the output shaft of the first motor 9 drives the rotating column 8 and the mounting ring 10 to rotate synchronously, the rotating sleeve 7 is driven by the rotating column 8 to rotate synchronously along the rotating connection of the fixed shaft 6 under the action of the second limiting assembly, and the clamping and fixing of the one end of the steel wire by the clamping assembly enables the steel wire to be wound along the surface of the rotating sleeve 7, the wire roller 15 moves transversely under the action of the reciprocating moving assembly and guides the steel wire, so as to control the spiral interval of the steel wire during winding, when the steel wire is wound to the last stage, the other end of the steel wire is moved away from the bottom of the wire roller 15, and the other end of the steel wire is pressed on the rotating sleeve 7 by the extrusion limiting action of the circular stop plate 11, so as to complete the winding and manufacturing of the spring;

[0046] After winding, the movable block 5 is driven to move by the driving displacement assembly, so that the fixed shaft 6 and the rotating sleeve 7 move into the sliding groove 4, so as to remove the wound spring from the surface of the rotating sleeve 7, and the spring is unloaded;

[0047] Before the rotation sleeve 7 rotates, the oil is pumped to the inside of the first spiral groove 14 by the action of the pumping assembly, and the oil in the inside of the first spiral groove 14 always has hydraulic pressure. When the steel wire is spirally wound along the surface of the rotation sleeve 7, the steel wire sequentially contacts the plurality of pressure sensors 13 on the surface of the rotation sleeve 7, the pressure generated by the contact makes the corresponding pressure sensor 13 send a pressure signal, and the pressure signal is transmitted to the controller connected to the pressure sensor 13. After the controller receives the pressure signal, the nozzle 12 switch is opened, and the oil in the inside of the first spiral groove 14 is quantitatively sprayed along the corresponding nozzle 12 to the contact position of the rotation sleeve 7 and the steel wire. In the process of winding the steel wire, the oil is accurately sprayed at the winding contact position by the quantitative spraying of the nozzle 12, and the spraying amount of the oil can be effectively controlled at the same time, thereby effectively reducing the use amount of the oil, reducing the waste of the oil, and triggering the oil spraying by the contact pressure, so that the oil spraying and the winding of the steel wire are synchronized, reducing the flow droplet phenomenon caused by the advance of the oil, improving the uniformity of the oil film, and improving the lubrication and heat dissipation effect in the spring manufacturing process.

[0048] As a further embodiment of the present application, as shown in Figure 10 The surface of the rotation sleeve 7 is provided with a second spiral groove 16, and the fixed insertion positions of the nozzles 12 and the pressure sensors 13 are all communicated with the second spiral groove 16. A plurality of spiral support strips 17 are fixedly connected in the inside of the second spiral groove 16. The spiral support strips 17 are located between adjacent two pressure sensors 13, and there is a gap between the spiral support strips 17 and the two sides of the second spiral groove 16. The spiral support strips 17 are attached to the surface arc of the rotation sleeve 7.

[0049] When the steel wire is wound on the surface of the rotation sleeve 7, the nozzle 12 performs point spraying on the contact position of the steel wire and the rotation sleeve 7. While covering the contact point, the nozzle 12 continues to spray a certain amount of oil. The additional sprayed oil moves to the next nozzle 12 along the internal track of the second spiral groove 16 under the action of gravity and the centrifugal force generated by the rotation of the rotation sleeve 7. By arranging the spiral support strips 17 in the inside of the second spiral groove 16, the spiral support strips 17 are used to contact and support the wound steel wire, so as to prevent the steel wire from being embedded in the inside of the second spiral groove 16 and increasing the unloading difficulty during the winding process. The additional sprayed oil flows along the gap between the spiral support strips 17 and the two sides of the second spiral groove 16, and infiltrates the surface of the spiral support strips 17 during the flowing process. Therefore, while the steel wire contacts the spiral support strips 17, the additional sprayed oil covers the contact position of the steel wire and the spiral support strips 17, and the oil coverage position of the rotation sleeve 7 is converted from point to line, reducing the influence of the density of the nozzle 12 distribution on the oil coverage.

[0050] As a further embodiment of the present application, one side of the wire roller 15 is provided with an electrostatic generator 18, and a metal ring 19 is electrically connected to the electrostatic generator 18, which is arranged between the wire roller 15 and the rotating sleeve 7, as shown in Figure 1 The base 1 is fixedly installed with an electrode core shaft 20, and the bottom end of the electrode core shaft 20 is grounded.

[0051] The electrostatic generator 18 generates a direct current static voltage, and through the electrical connection with the metal ring 19, the metal ring 19 is connected to the positive electrode of the electrostatic generator 18. The bottom end of the electrode core shaft 20 is grounded, so that the base 1 and the rotating sleeve 7 connected to the base 1 serve as the negative electrode. When one end of the steel wire moves along the bottom of the wire roller 15 to the top of the rotating sleeve 7, the steel wire passes through the inside of the metal ring 19 and carries a positive charge. The oil is sprayed out of the nozzle 12 on the surface of the rotating sleeve 7 and carries a negative charge. The oil carrying a negative charge repels each other, making it difficult to coagulate into a group. At the same time, the oil is attracted to the surface of the steel wire carrying a positive charge and forms a uniform oil film on the surface of the steel wire, further improving the uniformity of oil distribution.

[0052] As a further embodiment of the present application, the inside of the sliding groove 4 is fixedly connected with a ring-shaped housing 21 near one end of the rotating sleeve 7, and the ring-shaped housing 21 is slidably sleeved on the rotating sleeve 7. The rotating sleeve 7 is provided with a communication hole 22 (as shown in Figure 12 The two ends of the communication hole 22 are respectively communicated with the ring-shaped housing 21 and the first spiral groove 14. The base 1 is fixedly connected with a liquid storage cylinder 23, and the first support 2 is fixedly installed with a liquid pump 24 (as shown in Figure 7 The liquid pump 24 is fixedly communicated with the liquid storage cylinder 23 through a liquid inlet pipe 25 at the liquid inlet end, and is fixedly communicated with the ring-shaped housing 21 through a liquid outlet pipe 26 at the liquid outlet end.

[0053] When the liquid pump 24 works, the oil in the liquid storage cylinder 23 is pumped into the liquid pump 24 through the liquid inlet pipe 25, and then the oil is pumped into the ring-shaped housing 21 through the liquid outlet pipe 26. The oil enters the communication hole 22 through the communication between the ring-shaped housing 21 and the communication hole 22, and fills the first spiral groove 14 through the communication between the communication hole 22 and the first spiral groove 14. The rotating sleeve 7 is rotatably connected to the fixed shaft 6, and the inside of the rotating sleeve 7 is slidingly sealed by the fixed shaft 6, so as to ensure the storage of the oil in the first spiral groove 14.

[0054] As a further embodiment of the present application, the base 1 is provided with a placing groove 27, and the inside of the placing groove 27 is provided with a collection housing 28. The inside of the collection housing 28 is fixedly connected with a filter plate 29. The first support 2 is fixedly connected with a guide hopper 30 on the side close to the collection housing 28, and the guide hopper 30 is located below the ring-shaped housing 21.

[0055] The movable block 5 moves by the action of the driving displacement assembly, and drives the fixed shaft 6 and the rotating sleeve 7 to move towards the inside of the sliding groove 4. In the moving process, the rotating sleeve 7 is scraped on the surface by the inner wall of the annular shell 21, so that the metal impurities and oil attached to the rotating sleeve 7 are scraped off, the cleaning degree of the surface of the rotating sleeve 7 is ensured, the scraped metal impurities and oil fall into the collecting shell 28 along the inclined surface of the guide hopper 30, and the metal impurities are screened on the top of the filter plate 29 by the filter plate 29, and the oil flows into the inside of the collecting shell 28 along the screen hole on the filter plate 29, facilitating the screening and recycling of the oil.

[0056] As a further embodiment of the application, the clamping assembly comprises a limiting sleeve 31 fixedly connected to the mounting ring 10, a clamping strip 32 (as shown in Figure 13 ) slidably connected in the inside of the limiting sleeve 31, and a first electric cylinder 33 fixedly installed on the limiting sleeve 31, with the transmission shaft of the first electric cylinder 33 fixedly connected to the clamping strip 32;

[0057] After one end of the steel wire moves to the top of the rotating sleeve 7 along the bottom of the wire guide roller 15, the transmission shaft of the first electric cylinder 33 drives the clamping strip 32 to slide along the inside of the limiting sleeve 31, so that one end of the clamping strip 32 moves towards the rotating sleeve 7 and clamps one end of the steel wire between the rotating sleeve 7 and the clamping strip 32. After the steel wire is wound into a shape, the transmission shaft of the first electric cylinder 33 reversely moves and releases the clamping action.

[0058] As a further embodiment of the application, the first support 2 and the second support 3 are fixedly connected with a U-shaped support 34, the inside of the U-shaped support 34 is slidably connected with a sliding strip 35, and a second electric cylinder 36 (as shown in Figure 1 and Figure 4 ) is fixedly installed on the U-shaped support 34, with the transmission shaft of the second electric cylinder 36 fixedly connected to the sliding strip 35. The top of the sliding strip 35 is fixedly connected with two strip-shaped shells 37, and the two strip-shaped shells 37 are respectively located at the bottom of one side of the clamping strip 32 and the circular stop plate 11. An arc-shaped groove 38 is formed in the top of the strip-shaped shell 37, and a liquid-absorbing cotton bar 39 is fixedly connected in the inside of the arc-shaped groove 38. The bottom of the liquid-absorbing cotton bar 39 is in communication with the inside of the strip-shaped shell 37. The top of the strip-shaped shell 37 is fixedly connected with a pouring port 40, and a one-way valve 41 is fixedly installed on the pouring port 40;

[0059] Before one end of the steel wire moves to the top of the rotating sleeve 7, the transmission shaft of the second electric cylinder 36 drives the sliding bar 35 to move along the inside of the U-shaped support 34, so that the two strip-shaped housings 37 respectively move close to the bottom of the clamping bar 32 and the circular stop plate 11, oil is injected into the inside of the strip-shaped housing 37 through the injection port 40, and the one-way liquid inlet of the one-way valve 41 prevents the oil from spilling during the movement. The oil in the inside of the strip-shaped housing 37 contacts the liquid-absorbing cotton bar 39 and absorbs part of the oil through the liquid-absorbing cotton bar 39. When the two strip-shaped housings 37 respectively move to the bottom of the clamping bar 32 and the circular stop plate 11, the two liquid-absorbing cotton bars 39 respectively contact the bottom of the clamping bar 32 and the circular stop plate 11 and smear part of the absorbed oil on the bottom of the clamping bar 32 and the circular stop plate 11, so as to cool and lubricate the contact stress position of the clamping bar 32 and the circular stop plate 11. Then, through the reverse movement of the transmission shaft of the second electric cylinder 36, the two strip-shaped housings 37 return to the initial position and move to the position.

[0060] As a further embodiment of the present application, the first limiting assembly comprises a limiting sleeve nozzle 42 fixedly connected to one end of the rotating sleeve 7 (as shown in Figure 8 The rotating sleeve 7 and the limiting sleeve nozzle 42 are provided with two limiting holes 43, the inside of the fixed shaft 6 is provided with a let-go slot 44, the inside of the let-go slot 44 is slidably connected with a movable plate 45, the inside of the let-go slot 44 is fixedly connected with a polished rod 46, the polished rod 46 is slidably inserted into the movable plate 45, the polished rod 46 is sleeved with an extrusion spring 47, the extrusion spring 47 is fixedly connected between the movable plate 45 and one end of the let-go slot 44, the movable plate 45 is fixedly connected with two circular pins 48, both of which penetrate through the fixed shaft 6 and extend to the outside of the fixed shaft 6 and are in communication with the corresponding limiting holes 43;

[0061] The second limiting assembly comprises a limiting slot 49 provided on one end of the rotating column 8, the limiting sleeve nozzle 42 is located in the inside of the limiting slot 49, the limiting slot 49 is fixedly connected with two extrusion pins 50, both of which are located in the corresponding limiting holes 43 and contact the corresponding circular pins 48;

[0062] One end of the limiting sleeve nozzle 42 is limited by the limiting groove 49, so that when the rotating column 8 rotates, it can drive the rotating sleeve 7 to rotate synchronously along the surface of the fixed shaft 6. When the fixed shaft 6 and the rotating sleeve 7 move towards the inside of the sliding groove 4, the limiting sleeve nozzle 42 moves outwards from the inside of the limiting groove 49. The two extrusion pins 50 are separated from the corresponding limiting holes 43 along with the movement of the limiting sleeve nozzle 42. During the process that the extrusion pin 50 is separated from the limiting hole 43, the extrusion spring 47 extrudes the movable plate 45 to move, so that one end of the two circular pins 48 on the movable plate 45 enters the corresponding limiting hole 43 along the through hole, thereby limiting the rotating sleeve 7 on the fixed shaft 6. When the rotating column 8 and the rotating sleeve 7 are disengaged, the fixed shaft 6 limits the rotating sleeve 7, preventing the rotating sleeve 7 from rotating freely, and ensuring that the rotating sleeve 7 can be accurately docked with the limiting sleeve nozzle 42 when it is close to the rotating column 8 next time.

[0063] As a further embodiment of the application, the reciprocating moving assembly comprises a mounting frame 51 fixedly connected between one side of the first support 2 and the second support 3, a sliding block 52 slidably connected in the mounting frame 51, a lead screw 53 rotatably connected in the mounting frame 51, the sliding block 52 being threadedly connected to the lead screw 53, a second motor 54 fixedly installed on the mounting frame 51, an output shaft of the second motor 54 being fixedly connected to one end of the lead screw 53, a fixed support 55 fixedly connected to the top of the sliding block 52, the wire roller 15 being fixedly connected in the fixed support 55, the electrostatic generator 18 and the metal ring 19 being fixedly installed on the sliding block 52;

[0064] The driving displacement assembly comprises a placing shell 56 fixedly connected to the end of the first support 2 away from the second support 3, the placing shell 56 being in communication with the sliding groove 4, a third electric cylinder 57 fixedly installed on the placing shell 56, a transmission shaft of the third electric cylinder 57 being fixedly connected to the movable block 5;

[0065] The output shaft of the second motor 54 drives the lead screw 53 to rotate, and the sliding block 52 moves unidirectionally along the sliding connection of the mounting frame 51 through the threaded connection of the lead screw 53 and the sliding block 52, thereby driving the fixed support 55 and the wire roller 15 to move synchronously. The wire roller 15 moves and guides the steel wire in the process of moving, and the steel wire is spirally wound on the surface of the rotating sleeve 7. The electrostatic generator 18 and the metal ring 19 are fixedly installed on the sliding block 52 and move synchronously with the sliding block 52, thereby continuously applying electric charge to the surface of the moving steel wire.

[0066] The transmission shaft of the third electric cylinder 57 drives the movable block 5 to move, the movable block 5 moves from the inside of the sliding groove 4 to the inside of the placing shell 56, and the fixed shaft 6 and the rotating sleeve 7 move towards the inside of the sliding groove 4, so that the rotating sleeve 7 moves and accommodates the spring.

[0067] A manufacturing method of a spring manufacturing device, the method comprising the steps of:

[0068] Step one, the end of the steel wire moves along the bottom of the guide roller 15 to the top of the rotating sleeve 7, the clamping assembly clamps and fixes the end of the steel wire at the top of the rotating sleeve 7, the rotating column 8 drives the rotating sleeve 7 to rotate and wind the steel wire along the surface of the rotating sleeve 7, and the other end of the steel wire is pressed on the rotating sleeve 7 through the extrusion limiting action of the circular stop plate 11;

[0069] Step two, the action of the pumping assembly pumps the oil liquid 24 to the inside of the first spiral groove 14, when the steel wire is spirally wound along the surface of the rotating sleeve 7, the steel wire sequentially contacts the plurality of pressure sensors 13 on the surface of the rotating sleeve 7, the pressure generated by the contact makes the corresponding pressure sensor 13 send a pressure signal, and the pressure signal is transmitted to the controller connected with the pressure sensor 13, the controller opens the nozzle 12 switch after receiving the pressure signal, and quantitatively sprays the oil liquid in the first spiral groove 14 to the contact position of the rotating sleeve 7 and the steel wire along the corresponding nozzle 12;

[0070] Step three, the action of the driving displacement assembly drives the movement of the movable block 5, so that the fixed shaft 6 and the rotating sleeve 7 move to the inside of the sliding groove 4, so as to remove the spring wound on the surface of the rotating sleeve 7, and complete the unloading of the spring.

[0071] The above shows and describes the basic principles, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A spring manufacturing device comprising a base (1), characterized in that, The base (1) top is fixedly connected with first support (2) and second support (3) at both ends respectively, the first support (2) is provided with sliding groove (4), the inside of sliding groove (4) is slidably connected with movable block (5), one end of movable block (5) is fixedly connected with fixed shaft (6), the surface of fixed shaft (6) is rotatably connected with rotating sleeve (7), fixed shaft (6) and rotating sleeve (7) are located between first support (2) and second support (3), movable block (5) is provided with drive displacement assembly; The second support (3) is rotatably connected with rotating column (8), the second support (3) is fixedly connected with first motor (9), the output shaft of first motor (9) is fixedly connected on rotating column (8), one end of rotating column (8) close to rotating sleeve (7) is fixedly connected with mounting ring (10), the mounting ring (10) is provided with clamping assembly, the first support (2) is fixedly connected with circular stop plate (11), the circular stop plate (11) is located above rotating sleeve (7), first limiting assembly is arranged between fixed shaft (6) and rotating sleeve (7), the second limiting assembly is arranged on rotating column (8); Rotating sleeve (7) is fixedly provided with a plurality of nozzles (12), the pressure sensor (13) is fixedly installed on the nozzle (12), a plurality of nozzles (12) are distributed in spiral along the surface of rotating sleeve (7), the nozzle (12) and pressure sensor (13) are arc surface bonded with the surface of rotating sleeve (7), the first spiral groove (14) is arranged in the inside of rotating sleeve (7), one end of nozzle (12) is communicated with first spiral groove (14), the pumping assembly is arranged on the first spiral groove (14), the wire roller (15) is arranged on one side of rotating sleeve (7), the reciprocating movement assembly is arranged on wire roller (15).

2. A spring manufacturing apparatus according to claim 1, wherein The surface of rotating sleeve (7) is provided with second spiral groove (16), the fixed insertion of nozzle (12) and pressure sensor (13) is communicated with second spiral groove (16), a plurality of spiral support strips (17) are fixedly connected in the inside of second spiral groove (16), the spiral support strip (17) is located between adjacent two pressure sensors (13), there is a gap between spiral support strip (17) and the two sides of second spiral groove (16), the spiral support strip (17) is arc surface bonded with the surface of rotating sleeve (7).

3. A spring manufacturing apparatus according to claim 2, wherein The wire roller (15) is provided with electrostatic generator (18) on one side, the metal ring (19) is electrically connected on electrostatic generator (18), the metal ring (19) is arranged between wire roller (15) and rotating sleeve (7), the electrode core shaft (20) is fixedly installed on base (1), the bottom end of electrode core shaft (20) is grounded.

4. The spring manufacturing apparatus of claim 1 wherein, The sliding groove (4) is fixedly connected with a ring-shaped shell (21) near one end of the rotating sleeve (7), the ring-shaped shell (21) is slidably sleeved on the rotating sleeve (7), the rotating sleeve (7) is provided with a communication hole (22), the two ends of the communication hole (22) are communicated with the ring-shaped shell (21) and the first spiral groove (14) respectively, the base (1) is fixedly connected with a liquid storage cylinder (23), the first support (2) is fixedly connected with a liquid pump (24), the liquid pump (24) is fixedly connected with the liquid storage cylinder (23) through a liquid inlet pipe (25), and the liquid pump (24) is fixedly connected with the ring-shaped shell (21) through a liquid outlet pipe (26).

5. A spring manufacturing apparatus according to claim 4, wherein The base (1) is provided with a placing groove (27), the placing groove (27) is provided with a collecting shell (28), the collecting shell (28) is fixedly connected with a filter plate (29), the first support (2) is fixedly connected with a guide hopper (30) near the collecting shell (28), and the guide hopper (30) is located below the ring-shaped shell (21).

6. The spring manufacturing apparatus of claim 1 wherein, The clamping assembly comprises a limiting sleeve (31) fixedly connected to the mounting ring (10), a clamping strip (32) slidably connected to the limiting sleeve (31), and a first electric cylinder (33) fixedly installed on the limiting sleeve (31), and a transmission shaft of the first electric cylinder (33) is fixedly connected to the clamping strip (32).

7. A spring manufacturing apparatus according to claim 6, wherein The first support (2) and the second support (3) are fixedly connected with a U-shaped support (34), the U-shaped support (34) is slidably connected with a sliding strip (35), the U-shaped support (34) is fixedly installed with a second electric cylinder (36), a transmission shaft of the second electric cylinder (36) is fixedly connected to the sliding strip (35), and the sliding strip (35) is fixedly connected with a strip-shaped shell (37) on both sides of the top, the two strip-shaped shells (37) are located on the bottom of one side of the clamping strip (32) and the circular stop plate (11), respectively, the top of the strip-shaped shell (37) is provided with an arc-shaped groove (38), the arc-shaped groove (38) is fixedly connected with a liquid absorbing cotton (39), the bottom of the liquid absorbing cotton (39) is communicated with the inside of the strip-shaped shell (37), the top of the strip-shaped shell (37) is fixedly communicated with a perfusion port (40), and the perfusion port (40) is fixedly installed with a one-way valve (41).

8. The spring manufacturing apparatus of claim 1 wherein, The first limiting assembly comprises a limiting sleeve nozzle (42) fixedly connected to one end of the rotating sleeve (7), two limiting holes (43) are formed in the rotating sleeve (7) and the limiting sleeve nozzle (42) together, a let-out slot (44) is formed in the fixed shaft (6), a movable plate (45) is slidably connected in the let-out slot (44), a light rod (46) is fixedly connected in the let-out slot (44), the light rod (46) is slidably inserted in the movable plate (45), an extrusion spring (47) is sleeved on the light rod (46), the extrusion spring (47) is fixedly connected between the movable plate (45) and one end of the let-out slot (44), two circular pins (48) are fixedly connected to the movable plate (45) and extend to the outside of the fixed shaft (6) and are in communication with the corresponding limiting holes (43); The second limiting assembly comprises a limiting slot (49) formed in one end of the rotating column (8), the limiting sleeve nozzle (42) is located in the limiting slot (49), and two extrusion pins (50) are fixedly connected in the limiting slot (49) and located in the corresponding limiting holes (43) and in contact with the corresponding circular pins (48).

9. The spring manufacturing apparatus of claim 3 wherein, The reciprocating moving assembly comprises a mounting frame (51) fixedly connected between one side of the first support (2) and the second support (3), a sliding block (52) slidably connected in the mounting frame (51), a lead screw (53) rotatably connected in the mounting frame (51), the sliding block (52) threadedly connected to the lead screw (53), a second motor (54) fixedly installed on the mounting frame (51), an output shaft of the second motor (54) fixedly connected to one end of the lead screw (53), a fixed bracket (55) fixedly connected to the top of the sliding block (52), the wire roller (15) fixedly connected in the fixed bracket (55), and the electrostatic generator (18) and the metal ring (19) fixedly installed on the sliding block (52). The driving displacement assembly comprises a placing shell (56) fixedly connected to one end of the first support (2) away from the second support (3), the placing shell (56) is in communication with the sliding groove (4), and a third electric cylinder (57) is fixedly installed on the placing shell (56).

10. A manufacturing method of a spring manufacturing apparatus, which is suitable for the spring manufacturing apparatus according to any one of claims 1 to 9, characterized by, The method comprises the following steps: Step one, one end of the steel wire moves along the bottom of the wire roller (15) to the top of the rotating sleeve (7), the clamping assembly clamps and fixes one end of the steel wire at the top of the rotating sleeve (7), the rotating column (8) drives the rotating sleeve (7) to rotate to wind the steel wire along the surface of the rotating sleeve (7), and the other end of the steel wire is pressed on the rotating sleeve (7) through the extrusion limiting action of the circular abutting plate (11); Step two, the role of pumping assembly will send oil through the liquid pump (24) to the inside of the first spiral groove (14), when the steel wire is spirally wound along the surface of the rotating sleeve (7), the steel wire contacts the multiple pressure sensors (13) on the surface of the rotating sleeve (7) in turn, the pressure generated by the contact makes the corresponding pressure sensor (13) send a pressure signal, and the pressure signal is transmitted to the controller connected with the pressure sensor (13), the controller opens the nozzle (12) switch after receiving the pressure signal, and quantitatively sprays the oil in the first spiral groove (14) along the corresponding nozzle (12) at the contact position of the rotating sleeve (7) and the steel wire; Step three, drive the movement of the movable block (5) by driving the displacement assembly, so that the fixed shaft (6) and the rotating sleeve (7) move towards the inside of the sliding groove (4), so as to remove the spring wound on the surface of the rotating sleeve (7), and complete the unloading of the spring.

Images