CN116765286B - Spring coiling equipment for precision spring production and precision spring production process - Google Patents

Spring coiling equipment for precision spring production and precision spring production process Download PDF

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Publication number
CN116765286B
CN116765286B CN202311041460.4A CN202311041460A CN116765286B CN 116765286 B CN116765286 B CN 116765286B CN 202311041460 A CN202311041460 A CN 202311041460A CN 116765286 B CN116765286 B CN 116765286B
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spring
butt joint
tool
roller
driving unit
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CN202311041460.4A
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CN116765286A (en
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张景春
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Suzhou Lierda Precision Spring Co ltd
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Suzhou Lierda Precision Spring Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The application relates to the technical field of spring winding, and discloses spring winding equipment for precision spring production and a precision spring production process. According to the application, in the specific application process, the butt joint tool is used for carrying out spring forming on the formed spring in the forming tool forming process, and the state of the forming tool is switched through the first driving unit, so that the formed spring is supported by the butt joint tool while the spring is always kept in a horizontal state, and therefore, when the wire is spirally wound to form the spring for cutting, the cutting section of the spring is in the moving process of the position of the spring, the phenomenon of burrs occurs on the cutting section of the spring, and the abrasion mark generated by the burrs on the section influences the precision of the precision instrument in the use process of the precision instrument.

Description

Spring coiling equipment for precision spring production and precision spring production process
Technical Field
The application relates to the technical field of spring winding, in particular to spring winding equipment for precision spring production and a precision spring production process.
Background
A spring is a mechanical part that works with elasticity; parts made of elastic materials deform under the action of external force, and recover after the external force is removed. Springs are an essential part in many devices, and are widely used in the interior of many devices including objects, so as to achieve the effects of shock absorption, recovery and the like. The spring machine is mechanical equipment for producing springs and is divided into the following components according to the functional characteristics: the spring coiling machine is processing equipment for producing springs, the common spring processing equipment adopts raw materials of coiled steel wires, and the steel wires are gradually extracted from the coiled steel wire coils in a traction and pulling mode during feeding. This pull-and-pull feeding mode typically employs two rotating rollers to grip and transport the steel wire.
After the spring is wound, when cutting, one end far away from the cutting part is in a suspended state, the end can generate downward deflection under the action of gravity of the end, so that when the other end is cut, the spring is tilted, the cutting surface is inclined, and the angle of the spring tilted gradually changes along with the cutting process, so that the edge of the cutter slides on the cutting surface, burrs are generated, and the precision of the burrs and the inclined surface in use is reduced.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides the spring coiling equipment for the precise spring production, which has the advantages of guiding cutting and the like, and solves the problem that the use precision is affected due to the fact that burrs exist during cutting and the cutting surface is an inclined surface.
(II) technical scheme
In order to solve the technical problem that the use precision is reduced due to the fact that burrs exist when the cutting is performed and the cutting surface is an inclined surface, the application provides the following technical scheme:
the spring winding equipment for precision spring production comprises a base, wherein a straightening feeding tool, a forming tool and a cutting tool are arranged on the base, a butt joint disc is arranged on the base, a plurality of butt joint tools are eccentrically arranged on the butt joint disc, any butt joint tool and the forming tool are coaxially arranged, the butt joint disc is rotatably arranged on a movable base, a second driving unit and a first driving unit are arranged on the movable base, the butt joint tools coaxially arranged with the forming tool correspond to the second driving unit, and the first driving unit and the second driving unit are symmetrically arranged;
when the forming tool winds the steel wire on the butt joint tool after completing deformation to form a spring, the second driving unit drives the butt joint tool to perform state switching so as to enlarge the radius of the outer surface of the butt joint tool to be in contact with the spring, then the cutting tool operates to be matched with the forming tool to cut off the spring, the second driving unit resets, the butt joint tool with the spring is clamped with the first driving unit in a rotating mode, the first driving unit drives the butt joint tool to slide to the butt joint tool state reset relative to the butt joint disc, the spring is enabled to slide to fall off relative to the butt joint tool after abutting against the butt joint disc, and meanwhile the next butt joint tool corresponds to the forming tool and the second driving unit.
Preferably, the shaping frock includes the intermediate roll, winds the intermediate roll is provided with the guide post, the guide slot has been seted up to the terminal surface of guide post, the guide post with the intermediate roll all sets up on the clothes closet, the steel wire follow the second is repaiied straight roller with after the guide storehouse that sets up between the shaping frock comes out twine under the guide of guide slot form the spring on the intermediate roll, the one end of intermediate roll is semi-cylindrical, in order to be used for with cutting off the frock cooperation and cut off the spring.
Preferably, the cutting tool comprises a driving piece with one end hinged to the clothes closet, one end of the driving piece, close to a hinge point hinged to the clothes closet, slides and is rotationally connected with a cutting knife, the cutting knife only slides vertically relative to the clothes closet, and the other end of the driving piece is hinged to a driving strip which is connected with an output shaft of the double-output-shaft motor.
Preferably, the butt joint tool comprises a butt joint roller, a cavity is formed in the butt joint roller along the central axis direction, a plurality of sliding grooves which are uniformly distributed on the circumference are formed in the butt joint roller, the sliding grooves are communicated with the cavity, an abutting arc piece is slidably arranged on the sliding grooves along the direction perpendicular to the central axis direction of the butt joint roller, and two ends of one end of each abutting arc piece are arc-shaped;
a damping rod is fixedly arranged in the middle of the cavity, one end of the damping rod is fixedly provided with a driving disc, and the driving disc is used for extruding with the arc-shaped end on the abutting arc piece so as to drive the abutting arc piece to be far away from the butt-joint roller along the direction perpendicular to the central axis of the butt-joint roller;
one side of the abutting arc piece is fixedly provided with a middle rod, one end of the middle rod is fixedly provided with a bearing head, and the bearing head is in sliding fit with the cavity;
a clamping ring is arranged at one end of the butt-joint roller and is used for being clamped with the first driving unit; and a reset spring is fixedly arranged between the clamping ring and the butt joint disc.
Preferably, the second driving unit comprises a first sliding rail, the first sliding rail is fixedly installed on the movable base plate, a first electric sliding block is installed on the first sliding rail in a sliding mode, a card is fixedly installed on the first electric sliding block, and the card is used for being clamped with the clamping ring.
Preferably, the first driving unit comprises a second sliding rail, the second sliding rail is fixedly installed on the movable base plate, a second electric sliding block is installed on the second sliding rail in a sliding mode, an extrusion sheet is fixedly installed on the second electric sliding block, an extrusion rod is fixedly installed on the extrusion sheet, and the extrusion rod is used for being in interference with the pressure-bearing head.
Preferably, a gear ring is fixedly arranged on the outer side of the butt joint disc, a gear is meshed with the gear ring, the gear is fixedly arranged on an output shaft of a driving motor, and the driving motor is fixedly arranged on the movable base disc.
Preferably, the movable base plate is fixedly arranged on a third electric sliding block, the third electric sliding block is slidably arranged on a third sliding rail, and the third sliding rail is fixedly arranged on the carrying box.
A precision spring production process uses the spring coiling equipment for precision spring production.
(III) beneficial effects
Compared with the prior art, the application provides the spring winding equipment for producing the precise spring, which has the following beneficial effects:
1. in the specific application process, the formed spring is received by the butt joint tool in the process of forming the spring by the forming tool, and the state of the forming tool is switched by the first driving unit, so that the formed spring is supported by the butt joint tool while the spring is always kept in a horizontal state, and therefore, when the wire is spirally wound to form the spring for cutting, the cutting section of the spring is in a burr phenomenon in the process of moving the position of the spring, and the precision of the precision instrument is affected by grinding marks generated by the burrs of the section in the use process of the precision instrument.
2. According to the application, the second driving unit outputs the pressure-bearing head, the middle rod drives the abutting arc piece to move along the central axis of the butt-joint roller, so that the abutting arc piece compresses the damping rod and simultaneously extrudes the arc part at one end of the abutting arc piece, thereby outwards expanding the abutting sliding arc piece, further enabling the abutting arc piece to be in contact with the inner side of the spring, providing transverse guidance for the winding of the spring, avoiding uneven cutting surfaces and generating wire drawing to form burrs when the spring is bent in the winding process to cause cutting, and interfering the application on precise components.
Drawings
FIG. 1 is a diagram of an integrally formed blanking assembly structure of the present application;
FIG. 2 is an assembly structure diagram of a straightening feeding tool, a cutting tool and a forming tool of the application;
FIG. 3 is a side mounting block diagram of the carrying case of the present application;
FIG. 4 is an assembled structure diagram of the docking tool, the first driving unit and the second driving unit of the present application;
FIG. 5 is a view showing the structure of a butt roller of the present application;
FIG. 6 is an exploded view of the internal structure of the butt roller of the present application;
fig. 7 is a schematic diagram of the installation position and structure of the driving wheel set of the present application.
In the figure: 1. a base; 2. straightening and feeding tools; 201. a first straightening roller; 202. a second straightening roller; 203. a guide bin; 204. a transmission wheel set; 205. a double output shaft motor; 3. forming tool; 301. an intermediate roller; 302. a guide post; 4. cutting off the tool; 401. a driving plate; 402. a shearing knife; 403. a drive bar; 5. a butt joint disc; 6. a butt joint tool; 601. a butt-joint roller; 602. a chute; 603. an abutting arc piece; 604. a damping rod; 605. a drive plate; 606. an intermediate lever; 607. a pressure bearing head; 608. a clasp; 609. a return spring; 7. moving the base plate; 8. a second driving unit; 801. a first slide rail; 802. a first electric slider; 803. a card; 9. a first driving unit; 901. a second slide rail; 902. the second electric sliding block; 903. extruding the sheet; 904. an extrusion rod; 10. a clothes closet; 11. a gear ring; 12. a gear; 13. a driving motor; 14. a third electric slider; 15. a third slide rail; 16. the carrying box.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As described in the background art, the present application provides a spring winding device for precision spring production, which solves the above technical problems.
Referring to fig. 1-7, a spring winding device for precision spring production includes a base 1, a straightening feeding tool 2, a forming tool 3 and a cutting tool 4 are arranged on the base 1, a butt joint disc 5 is arranged on the base 1, a plurality of butt joint tools 6 are eccentrically arranged on the butt joint disc 5, any butt joint tool 6 and the forming tool 3 are coaxially arranged, the butt joint disc 5 is rotatably arranged on the movable base 7, a second driving unit 8 and a first driving unit 9 are arranged on the movable base 7, the butt joint tools 6 coaxially arranged with the forming tool 3 correspond to the second driving unit 8, and the first driving unit 9 and the second driving unit 8 are symmetrically arranged;
when the forming tool 3 winds the steel wire on the butt joint tool 6 after deforming to form a spring, the second driving unit 8 drives the butt joint tool 6 to switch states so as to enlarge the radius of the outer surface of the butt joint tool 6 to be in contact with the spring, then the cutting tool 4 operates to be matched with the forming tool 3 to cut off the spring, the second driving unit 8 resets, the butt joint disc 5 is rotated to clamp the butt joint tool 6 with the spring with the first driving unit 9, the first driving unit 9 drives the butt joint tool 6 to slide to the butt joint tool 6 relative to the butt joint disc 5 to reset states, the spring slides relative to the butt joint tool 6 to fall off after being in contact with the butt joint disc 5, and meanwhile, the next butt joint tool 6 corresponds to the forming tool 3 and the second driving unit 8.
In the specific application process, a steel wire required by spring manufacturing enters a straightening feeding tool 2 from a steel wire reel, the steel wire is corrected through the straightening feeding tool 2, so that the steel wire straightly moves, and after entering a forming tool 3, the steel wire is spirally wound under the action of the forming tool 3, so that a spring is formed;
before the steel wire forms a spring, the butt joint disc 5 rotates to enable any butt joint tool 6 arranged on the butt joint disc 5 and the forming tool 3 to be in a coaxial state, at the moment, the butt joint tool 6 and the second driving unit 8 are coaxial, then the straightening feeding tool 2 feeds materials, the steel wire enters the forming tool 3 to be spirally wound to form a spring, the formed spring is wound on a part of the butt joint tool 6 coaxial with the forming tool 3, then the second driving unit 8 outputs to drive the butt joint tool 6 to perform state switching, so that the inner diameter of the spirally formed spring is matched with the diameter of the outermost side of the butt joint tool 6, the butt joint tool 6 transversely translates the spring to form a support, and after the spring is completely formed at the forming tool 3, the cutting tool 4 is matched with the forming tool 3 to cut off the spring supported by the butt joint tool 6, so as to form a spring with a certain length specification;
the second driving unit 8 is reset to restore the state of the butt joint tooling 6 to the initial state, so that the support limit on the spring is eliminated, the friction resistance between the butt joint tooling 6 and the spring is reduced, the spring is convenient to drop, then the butt joint tooling 5 continues to rotate, the position of the butt joint tooling 6 on the butt joint tooling 5 is switched, the butt joint tooling 6 which is not wound with the spring next is coaxial with the forming tooling 3, the butt joint tooling 6 which is wound with the spring is clamped with the first driving unit 9 in the rotating process of the butt joint tooling 5, when the forming tooling 3 winds the formed spring on the butt joint tooling 6, the first driving unit 9 drives the butt joint tooling 6 to rotate relative to the butt joint tooling 5, after the butt joint tooling 6 is completely reset, the spring wound on the butt joint tooling 6 is abutted against the butt joint tooling 5, and the spring drops off from the butt joint tooling 6 under the limited effect of the displacement of the butt joint tooling 5 along with the movement of the butt joint tooling 6, and the blanking is completed;
then the butt-joint disc 5 rotates again, and the butt-joint tool 6 is staggered with the first driving unit 9, so that the butt-joint tool 6 is reset under the action of the reset trend of the butt-joint tool 6, and the next spring winding preparation is performed.
The dynamic switching of the docking tool 6 refers to that when the docking tool 6 projects to an end face along the central axis direction, the diameter of the outermost periphery of the formed graph changes, for example, in an initial state, the diameter of the outermost side of the docking tool 6 is n cm, and after the state switching, the diameter of the outermost side of the docking tool 6 is Kn cm, wherein K is a numerical value greater than 1.
In the specific application process, the formed spring is received by the butt-joint tool 6 in the process of forming the spring by the forming tool 3, and the state of the forming tool 3 is switched by the first driving unit 9, so that the formed spring is supported by the butt-joint tool 6 while the spring is always kept in a horizontal state, and therefore, when the wire is spirally wound to form the spring for cutting, the cutting section of the spring generates a burr phenomenon in the process of moving the position of the spring, and the precision of the precision instrument is influenced by grinding marks generated by the burrs of the section in the use process of the precision instrument.
Further, for the straightening feeding tool 2, the straightening feeding tool 2 includes a first straightening roller 201 and a second straightening roller 202, the first straightening roller 201 and the second straightening roller 202 are both rotatably disposed at one side of the clothes closet 10, the clothes closet 10 is fixedly mounted on the base 1, guide bins 203 are respectively disposed between the first straightening roller 201 and the second straightening roller 202, between the second straightening roller 202 and the forming tool 3, the first straightening roller 201 and the second straightening roller 202 are both connected with a transmission wheel set 204, the transmission wheel set 204 is dynamically connected with one end output shaft of the dual output shaft motor 205, and an output shaft at the other end of the dual output shaft motor 205 is dynamically connected with the cutting tool 4;
the transmission wheel set 204 is driven to rotate by the double-output shaft motor 205, so that the transmission wheel set 204 drives the first straightening roller 201 and the second straightening roller 202 to rotate, when a steel wire passes through the first straightening roller 201, the first straightening roller 201 primarily corrects the steel wire and then sends the steel wire into the guide bin 203 between the first straightening roller 201 and the second straightening roller 202, the steel wire after coming out of the guide bin 203 enters the second straightening roller 202 to carry out final correction, the steel wire forms a straight state, and then the steel wire enters the guide bin 203 between the second straightening roller 202 and the forming tool 3 to guide the movement track of the steel wire.
Wherein the rotation of the first straightening roller 201 and the second straightening roller 202 corrects the straightness of the steel wire on one hand and provides power for the movement of the steel wire on the other hand.
The driving wheel set 204 is a combination of driving components including gears, sprockets, chains, etc., and is mainly used for synchronously driving all the first straightening rollers 201 and the second straightening rollers 202 to rotate.
Further, for the above-mentioned forming tool 3, the forming tool 3 includes an intermediate roller 301, a guide post 302 is disposed around the intermediate roller 301, a guide groove is formed on an end surface of the guide post 302, the guide post 302 and the intermediate roller 301 are both disposed on the closet 10, after the steel wire comes out of the guide chamber 203 disposed between the second straightening roller 202 and the forming tool 3, the steel wire is wound on the intermediate roller 301 under the guidance of the guide groove to form a spring, and one end of the intermediate roller 301 is semi-cylindrical for being matched with the cutting tool 4 to cut the spring;
after coming out of the guide bin 203, the modified steel wire passes through the lower part of the intermediate roller 301 and the tangent of the steel wire, and then passes through the tangent of the steel wire, and is abutted against the guide groove on the guide column 302, so that the steel wire spirally surrounds the intermediate roller 301 to form a spring, the cutting tool 4 is displaced after the spring is formed, dislocation shearing is formed with the intermediate roller 301, and the spring is cut off to form a finished spring.
Further, for the above-mentioned cutting tool 4, the cutting tool 4 includes a driving piece 401 with one end hinged to the closet 10, one end of the driving piece 401 close to a hinge point hinged to the closet 10 slides and is rotatably connected with a cutting knife 402, the cutting knife 402 slides vertically relative to the closet 10 only, the other end of the driving piece 401 is hinged with a driving bar 403, and the driving bar 403 is connected with the output shaft of the dual-output shaft motor 205;
the double output shaft motor 205 rotates to drive the driving bar 403 to displace downwards, so that the driving bar 403 drives one end of the driving sheet 401 downwards, and then drives the shearing blade 402 to move downwards, so that the shearing blade 402 and the semi-cylindrical middle roller 301 form dislocation shearing to cut off the spring, and then the output shaft at one end of the double output shaft motor 205 resets, so that the shearing blade 402 is lifted and reset.
Further, for the above-mentioned butt-joint tooling 6, the butt-joint tooling 6 includes a butt-joint roller 601, a cavity is formed in the butt-joint roller 601 along the central axis direction, and a plurality of sliding grooves 602 uniformly distributed on the circumference are formed in the butt-joint roller 601, the sliding grooves 602 are communicated with the cavity, and abutting arc pieces 603 are slidably arranged in the direction perpendicular to the central axis direction of the butt-joint roller 601 along the sliding grooves 602, and both ends of one end of each abutting arc piece 603 are arc-shaped;
a damping rod 604 is fixedly arranged in the middle of the cavity, a driving disc 605 is fixedly arranged at one end of the damping rod 604, and the driving disc 605 is used for extruding with the arc-shaped end on the abutting arc piece so as to drive the abutting arc piece 603 to be far away from the abutting roller 601 along the direction perpendicular to the central axis of the abutting roller 601;
an intermediate rod 606 is fixedly arranged on one side of the abutting arc piece 603, a bearing head 607 is fixedly arranged at one end of the intermediate rod 606, and the bearing head 607 is in sliding fit with the cavity;
a clamping ring 608 is arranged at one end of the butt-joint roller 601, and the clamping ring 608 is used for being clamped with the first driving unit 9; a return spring 609 is fixedly arranged between the clamping ring 608 and the butt joint disc 5;
when the device is specifically used, the butt-joint roller 601 is slidably mounted relative to the butt-joint disc 5, the butt-joint disc 5 rotates to enable the butt-joint roller 601 to correspond to the middle roller 301 (namely to the same central axis), at the moment, the butt-joint roller 601 also corresponds to the second driving unit 8, then the steel wire bypasses the middle roller 301 under the correction and driving actions of the first straightening roller 201 and the second straightening roller 202, and after abutting against the guide groove on the guide column 302, the steel wire tangentially passes through the guide groove, so that spiral surrounding around the middle roller 301 is formed, and a spring is formed;
then the second driving unit 8 outputs, the bearing head 607 drives the abutting arc piece 603 to move along the central axis of the butt roller 601 through the middle rod 606, so that the abutting arc piece 603 compresses the damping rod 604 and simultaneously extrudes the arc part at one end of the abutting arc piece 603, the abutting arc piece 603 expands outwards, the abutting arc piece 603 contacts with the inner side of the spring, transverse guidance is provided for winding the spring, bending of the spring in the winding process is avoided, when the spring is cut off, uneven cutting surfaces and wire drawing and burrs are generated, and interference is generated on application on a precision component;
when winding is completed, the double-output-shaft motor 205 rotates to drive the driving bar 403 to displace downwards, so that the driving bar 403 drives one end of the driving piece 401 to displace downwards, and then drives the shearing blade 402 to displace downwards, so that the shearing blade 402 and the semi-cylindrical middle roller 301 form dislocation shearing, and the spring is cut off;
after the spring is cut off, the second driving unit 8 resets, the butt-joint disc 5 rotates, the snap ring 608 at one end of the butt-joint roller 601 with the spring is clamped with the first driving unit 9, then the first driving unit 9 drives the butt-joint roller 601 to move relative to the butt-joint disc 5, the arc-shaped part at one end of the abutting arc piece 603 and the butt-joint disc 5 form extrusion and shrink in the butt-joint roller 601, friction limitation on the spring is relieved, the spring is convenient to fall off, the butt-joint roller 601 slides relative to the butt-joint disc 5 along with the movement of the butt-joint roller 601, the spring is static relative to the butt-joint disc 5 due to the position limitation of the butt-joint disc 5, and therefore the spring falls off from the butt-joint roller 601, and collection after spring molding is completed;
finally, as the docking plate 5 rotates, the snap ring 608 is separated from the first driving unit 9, and the snap ring 608 drives the docking roller 601 to reset under the action of the reset spring 609.
It should be noted that, the sliding of the abutting arc piece 603 and the sliding groove 602 on the butt roller 601 is a damping sliding, that is, the sliding needs to be realized by an external force (the external force does not include self force, such as gravity).
Further, for the above second driving unit 8, the second driving unit 8 includes a first sliding rail 801, the first sliding rail 801 is fixedly mounted on the moving base 7, a first electric slider 802 is slidably mounted on the first sliding rail 801, a card 803 is fixedly mounted on the first electric slider 802, and the card 803 is used for being clamped with the snap ring 608, so that the card 803 is driven to move under the guidance of the first sliding rail 801 by the first electric slider 802, so that the card 803 drives the snap ring 608 to translate, and the docking roller 601 slides relative to the docking plate 5.
Further, for the first driving unit 9, the first driving unit 9 includes a second slide rail 901, where the second slide rail 901 is fixedly installed on the moving base 7, a second electric slider 902 is slidably installed on the second slide rail 901, a pressing piece 903 is fixedly installed on the second electric slider 902, and a pressing rod 904 is fixedly installed on the pressing piece 903, and the pressing rod 904 is used for abutting against the pressure-bearing head 607; the second electric sliding block 902 drives the extrusion piece 903 to move under the guiding action of the second sliding rail 901, so that the extrusion rod 904 extrudes the bearing head 607.
Further, for the above-mentioned docking plate 5, the outside of the docking plate 5 is fixedly provided with the gear ring 11, the gear ring 11 is meshed with the gear 12, the gear 12 is fixedly installed on the output shaft of the driving motor 13, and the driving motor 13 is fixedly installed on the moving base plate 7, so that the driving motor 13 drives the gear 12 to rotate, and the gear 12 drives the docking plate 5 to rotate through the gear ring 11 meshed with the gear ring 12.
Further, for the mobile base disc 7, the mobile base disc 7 is fixedly mounted on a third electric sliding block 14, the third electric sliding block 14 is slidably mounted on the third sliding rail 15, and the third sliding rail 15 is fixedly mounted on the carrying box 16;
after the springs are cut off each time, the movable base plate 7 is driven to translate through the third electric sliding block 14, so that the butt-joint roller 601 is far away from the middle roller 301, and part of the springs wound on the middle roller 301 are pulled out, so that the butt-joint roller 601 can conveniently rotate under the action of the butt-joint plate 5.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present application.

Claims (6)

1. The utility model provides a precision spring production is with spring coiling equipment, includes base (1), its characterized in that: the novel automatic cutting machine is characterized in that a straightening feeding tool (2), a forming tool (3) and a cutting tool (4) are arranged on the base (1), a butt joint disc (5) is arranged on the base (1), a plurality of butt joint tools (6) are eccentrically arranged on the butt joint disc (5), any butt joint tool and the forming tool (3) are coaxially arranged, the butt joint disc (5) is rotatably arranged on a movable base disc (7), a second driving unit (8) and a first driving unit (9) are arranged on the movable base disc (7), the butt joint tools (6) coaxially arranged with the forming tool (3) correspond to the second driving unit (8), and the first driving unit (9) and the second driving unit (8) are symmetrically arranged;
when the forming tool (3) is used for winding the steel wire on the butt joint tool (6) after deforming to form a spring, the second driving unit (8) is used for driving the butt joint tool (6) to perform state switching so as to enlarge the radius of the outer surface of the butt joint tool (6) to be in contact with the spring, then the cutting tool (4) is operated to be matched with the forming tool (3) to cut off the spring, the second driving unit (8) is reset, the butt joint disc (5) is rotated to clamp the butt joint tool (6) with the spring with the first driving unit (9), the first driving unit (9) is used for driving the butt joint tool (6) to slide to the butt joint tool (6) relative to the butt joint disc (5) to be reset, the spring is used for sliding relative to the butt joint tool (6) to be separated after being in contact with the butt joint disc (5), and the next butt joint tool (6) corresponds to the forming tool (3) and the second driving unit (8);
the butt joint tool (6) comprises a butt joint roller (601), a cavity is formed in the butt joint roller (601) along the axis direction, a plurality of sliding grooves (602) which are uniformly distributed in circumference are formed in the butt joint roller (601), the sliding grooves (602) are communicated with the cavity, abutting arc pieces (603) are slidably arranged on the sliding grooves (602) along the axis direction perpendicular to the axis direction of the butt joint roller (601), and two ends of one end of each abutting arc piece (603) are arc-shaped;
a damping rod (604) is fixedly arranged in the middle of the cavity, a driving disc (605) is fixedly arranged at one end of the damping rod (604), and the driving disc (605) is used for extruding with the arc-shaped end on the abutting arc piece so as to drive the abutting arc piece (603) to be far away from the abutting roller (601) along the direction perpendicular to the central axis of the abutting roller (601);
an intermediate rod (606) is fixedly arranged on one side of the abutting arc piece (603), a bearing head (607) is fixedly arranged at one end of the intermediate rod (606), and the bearing head (607) is in sliding fit with the cavity;
a clamping ring (608) is arranged at one end of the butt-joint roller (601), and the clamping ring (608) is used for being clamped with the first driving unit (9); a return spring (609) is fixedly arranged between the clamping ring (608) and the butt joint disc (5);
the second driving unit (8) comprises a first sliding rail (801), the first sliding rail (801) is fixedly arranged on the movable base plate (7), a first electric sliding block (802) is slidably arranged on the first sliding rail (801), a card (803) is fixedly arranged on the first electric sliding block (802), and the card (803) is used for being clamped with the clamping ring (608);
the first driving unit (9) comprises a second sliding rail (901), the second sliding rail (901) is fixedly installed on the movable base plate (7), a second electric sliding block (902) is installed on the second sliding rail (901) in a sliding mode, an extrusion sheet (903) is fixedly installed on the second electric sliding block (902), an extrusion rod (904) is fixedly installed on the extrusion sheet (903), and the extrusion rod (904) is used for abutting against the pressure-bearing head (607).
2. The spring coiling apparatus for precision spring production as claimed in claim 1, wherein: the utility model provides a repair straight pay-off frock (2) including first straightening roller (201) and second straightening roller (202), first straightening roller (201) and second straightening roller (202) all rotate and set up in one side of clothes closet (10), clothes closet (10) fixed mounting is on base (1) first straightening roller (201) with between second straightening roller (202) all be provided with guide bin (203) between second straightening roller (202) and shaping frock (3), first straightening roller (201) and second straightening roller (202) all are connected with drive wheelset (204), drive wheelset (204) power connection have the one end output shaft of double output shaft motor (205), the output shaft of double output shaft motor (205) other end with cut off frock (4) and be connected with power.
3. The spring coiling apparatus for precision spring production as claimed in claim 2, wherein: the shaping frock (3) include intermediate roll (301), around intermediate roll (301) are provided with guide post (302), the guide slot has been seted up to the terminal surface of guide post (302), guide post (302) with intermediate roll (301) all set up on clothes closet (10), the steel wire follow second is repaiied straight roll (202) with after setting up between shaping frock (3) guide storehouse (203) come out twine under the guide of guide slot intermediate roll (301) are last to form the spring, the one end of intermediate roll (301) is semi-cylindrical, in order to be used for with cut off frock (4) cooperation and cut off the spring.
4. A spring coiling apparatus for precision spring production as claimed in claim 3, wherein: the cutting tool (4) comprises a driving piece (401) with one end hinged to the clothes closet (10), one end, close to a hinge point hinged to the clothes closet (10), of the driving piece (401) slides and is rotationally connected with a cutting knife (402), the cutting knife (402) only slides vertically relative to the clothes closet (10), a driving strip (403) is hinged to the other end of the driving piece (401), and the driving strip (403) is connected with an output shaft of the double-output-shaft motor (205).
5. The spring coiling apparatus for precision spring production as claimed in claim 1, wherein: the gear ring (11) is fixedly arranged on the outer side of the butt joint disc (5), the gear (12) is meshed with the gear (11), the gear (12) is fixedly arranged on an output shaft of the driving motor (13), and the driving motor (13) is fixedly arranged on the movable base disc (7).
6. The spring coiling apparatus for precision spring production as recited in claim 5, wherein: the movable base plate (7) is fixedly arranged on a third electric sliding block (14), the third electric sliding block (14) is slidably arranged on a third sliding rail (15), and the third sliding rail (15) is fixedly arranged on the bearing box (16).
CN202311041460.4A 2023-08-18 2023-08-18 Spring coiling equipment for precision spring production and precision spring production process Active CN116765286B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117862381B (en) * 2024-03-13 2024-05-07 苏州立而达精准弹簧有限公司 Forming device for spring production and spring processing technology

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB646176A (en) * 1947-12-31 1950-11-15 George Henry Mercer Improvements in spring coiling machines
US4214466A (en) * 1977-09-27 1980-07-29 Hugo Kern Und Liebers & Co. Apparatus for the winding of helical springs
CN204545266U (en) * 2015-03-27 2015-08-12 滕运生 A kind of novel numerical control coiling circle spring machine
CN209156985U (en) * 2018-12-12 2019-07-26 四川华庆机械有限责任公司 Torsion machine
CN212239043U (en) * 2019-12-30 2020-12-29 昆山合利达精密五金有限公司 Spring autoloading coiling shaping cutting device
CN215845412U (en) * 2021-08-06 2022-02-18 昆山捷胜精密电子有限公司 Winding equipment with equidistant mechanism for production of precision spring
CN115647251A (en) * 2022-10-12 2023-01-31 安庆谢德尔汽车零部件有限公司 Production device of spring with low winding ratio and use method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB646176A (en) * 1947-12-31 1950-11-15 George Henry Mercer Improvements in spring coiling machines
US4214466A (en) * 1977-09-27 1980-07-29 Hugo Kern Und Liebers & Co. Apparatus for the winding of helical springs
CN204545266U (en) * 2015-03-27 2015-08-12 滕运生 A kind of novel numerical control coiling circle spring machine
CN209156985U (en) * 2018-12-12 2019-07-26 四川华庆机械有限责任公司 Torsion machine
CN212239043U (en) * 2019-12-30 2020-12-29 昆山合利达精密五金有限公司 Spring autoloading coiling shaping cutting device
CN215845412U (en) * 2021-08-06 2022-02-18 昆山捷胜精密电子有限公司 Winding equipment with equidistant mechanism for production of precision spring
CN115647251A (en) * 2022-10-12 2023-01-31 安庆谢德尔汽车零部件有限公司 Production device of spring with low winding ratio and use method thereof

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