Coating steel wire tension control mechanism for preventing surface coating of variable-diameter spring from being scratched

Abstract

The utility model discloses a coating steel wire tension control mechanism for preventing a surface coating of a variable-diameter spring from being scratched, and relates to the technical field of variable-diameter spring machining. The coating anti-scratching device comprises a rack, a coating anti-scratching assembly and a quick dismounting and mounting assembly, the left side of the rack is fixedly connected with an electromagnetic damper, and the right side of the output end of the electromagnetic damper penetrates through the rack and is sleeved with a wire roller. Through the coating anti-scratch assembly, the coating steel wire can be prevented from continuously sliding leftwards and rightwards on the surface of the tension detection roller, the tension detection roller is prevented from abrading the coating steel wire, the servo motor is used for controlling the screw to rotate, and the screw and the threaded sleeve are matched to control the adjusting mechanism and the movable wheel to reciprocate leftwards and rightwards. The rotating speed of the servo motor is adjusted, the release positions of the movable wheel and the coated steel wire are controlled to be the same, the movable wheel and the coated steel wire synchronously move left and right, transverse friction between the movable wheel and the coated steel wire is avoided, and a coating on the surface of the coated steel wire is prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of variable diameter spring processing, and particularly relates to a coating steel wire tension control mechanism for preventing scratch of a surface coating of a variable diameter spring. BACKGROUND

[0002] A variable diameter spring refers to a spring with different diameters of spring coils on the same axis, which is composed of many coils with different diameters and has an increasing or decreasing diameter, and the spring realizes different load bearing capacity and rigidity by changing the diameter. The variable diameter spring includes different types such as a conical spring, an hourglass spring and a barrel-shaped spring, and a tension adjusting mechanism is needed to adjust the tension of the coating steel wire during the production of the variable diameter spring.

[0003] The existing coating steel wire tension control mechanism for the variable diameter spring is composed of a tension sensor, an electromagnetic damper, a guide roller and a wire roller. The tension sensor is used to detect the conveying tension of the coating steel wire, and the electromagnetic damper is used to control the conveying resistance of the wire roller for the control of the conveying tension of the coating steel wire. However, the coating on the surface of the coating steel wire is easily scratched during use. Since the coating steel wire is uniformly wound on the surface of the wire roller, the steel wire continuously slides left and right on the surface of the guide roller connected with the tension sensor when the wire roller releases the coating steel wire, which generates a large transverse friction and gradually wears the surface of the guide roller to cause scratches. When the wear is large, the friction between the guide roller and the coating steel wire is increased, the coating on the surface of the guide roller is damaged during tension adjustment, and the consistency of the quality of the variable diameter spring is affected.

[0004] Therefore, the coating steel wire tension control mechanism for preventing scratch of a surface coating of a variable diameter spring is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a coating steel wire tension control mechanism for preventing scratch of a surface coating of a variable diameter spring, which solves the problem that the existing coating steel wire tension control mechanism for the variable diameter spring does not have the function of preventing scratch of a surface coating and the coating on the surface of the coating steel wire is easily damaged during tension adjustment by the cooperation of the coating scratch prevention assembly and the quick disassembly and assembly assembly.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme.

[0007] The utility model discloses a coating steel wire tension control mechanism for the surface coating scratchproof of variable diameter spring, including frame, coating scratchproof subassembly and quick detachable subassembly, the left side fixed connection of frame has electromagnetic damper, the right side of electromagnetic damper output penetrates frame and is equipped with wire roller, the top fixed connection of frame front side has angle control mechanism, the coating scratchproof subassembly includes fixed frame, the bottom fixed connection of fixed frame and frame, the left side fixed connection of fixed frame has servo motor, the right side fixed connection of servo motor output penetrates fixed frame and has screw rod, the surface screw thread connection of screw rod has thread sleeve, the bottom fixed connection of thread sleeve has adjusting mechanism, the bottom of adjusting mechanism penetrates to the bottom of fixed frame, the top fixed connection of frame left side has tension sensor, the detection end of tension sensor right side penetrates frame and is fixedly connected with slide rod, the surface sliding connection of slide rod has movable wheel, quick detachable subassembly includes fixed platform, the left side fixed connection of fixed platform front side and frame, the rear side fixed connection of fixed platform has control shell, the inner chamber of control shell is provided with reset mechanism, the right side of reset mechanism penetrates control shell and is movably connected with push board, the front side movable connection of push board left side has top block, the left side extension of top block reaches the inner chamber of wire roller.

[0008] The utility model further sets up, adjusting mechanism includes adjusting frame, the top fixed connection of adjusting frame penetrates fixed frame and has connecting plate, the top fixed connection of connecting plate and thread sleeve, the both sides fixed connection of adjusting frame inner chamber has limit seat, the inner chamber sliding connection of limit seat has ball, adjusting frame can be convenient for two limit seat's installation fixed, ball can not influence its autorotation when adjusting the position of movable wheel, connecting plate can be convenient for thread sleeve and adjusting frame are connected fixed.

[0009] The utility model further sets up, reset mechanism includes limit board, the right side fixed connection of limit board has pull rod, the surface of pull rod is equipped with reset spring, the right side of pull rod penetrates control shell and is movably connected with push board, limit board can prevent pull rod from separating the inner chamber of control shell, pull rod can be compressed with limit board cooperation reset spring, reset spring can control pull rod and push board reset with limit board cooperation.

[0010] The utility model further sets up, the right side fixed connection of push board has handle, the right side of wire roller is equipped with with top block cooperation uses the positioning gap, handle can be convenient for staff control push board's use position, positioning gap can make top block and wire roller stable fixed.

[0011] The utility model further sets up, the right side of screw rod is connected with mounting panel, the bottom of mounting panel is fixedly connected with fixed frame, the rear side of mounting panel left side is fixedly connected with limit rod, the surface of limit rod is connected with limit sleeve, the front side of limit sleeve is fixedly connected with thread sleeve, mounting panel can increase the stability in the process of screw rod rotation, limit rod and limit sleeve can limit thread sleeve, prevent its autorotation, and make thread sleeve can stably move left and right.

[0012] The utility model further sets up, the right side of slide rod is provided with limit shell, the right side of limit shell is fixedly connected with fixed frame, the top of fixed frame is equipped with adjusting opening, limit shell can limit one side of slide rod, prevent slide rod and appear bending of big inclination, adjusting opening can conveniently adjust frame and move left and right reciprocating.

[0013] The utility model further sets up, the front side of rack left side is fixedly connected with positioning wheel, the right side of rack is fixedly connected with guide wheel, positioning wheel and guide wheel can control the conveying position of coating steel wire, make it can convey coating steel wire to power wheel stably.

[0014] The utility model further sets up, the bottom of rack right side is fixedly connected with power wheel, the right side of top block is rotatably connected with push board through bearing, power wheel can convey coating steel wire to angle control mechanism inside, be convenient for coating steel wire winding on the surface of mandrel, bearing can make top block stably rotate.

[0015] The utility model has the advantages of the following.

[0016] 1, the utility model discloses a coating scratchproof subassembly can avoid coating steel wire and constantly slide left and right on the surface of tension detection roller, prevent the abrasion of tension detection roller to coating steel wire, utilize servo motor control screw rotation, and screw and thread sleeve cooperation control adjustment mechanism and movable wheel and move left and right reciprocating, adjust the rotating speed of servo motor, make it control movable wheel and the release position of coating steel wire same, and movable wheel and coating steel wire synchronize and move left and right, make the horizontal friction between both sides not appear, avoid the coating of coating steel wire surface and appear breakage.

[0017] 2, the utility model discloses a quick detachable subassembly can quick assembly and disassembly to line roller, shorten line roller assembly and disassembly time, improve the production efficiency of variable diameter spring, utilize handle control push board and top block movement, and top block departs the inner chamber of line roller after pushing handle, and make push board be in perpendicular state, at this moment, the staff can take down empty line roller and install new line roller, pull handle and make top block card into the inner chamber of line roller again complete its installation operation, and it is fast, convenient, time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed for the embodiment description.

[0019] Figure 1 It is a perspective view of the coating steel wire tension control mechanism for preventing scratch of the surface coating of the variable diameter spring;

[0020] Figure 2 It is a side view of the coating steel wire tension control mechanism for preventing scratch of the surface coating of the variable diameter spring;

[0021] Figure 3 It is an exploded view of the quick dismounting assembly in the coating steel wire tension control mechanism for preventing scratch of the surface coating of the variable diameter spring;

[0022] Figure 4 It is a sectional view of the control shell in the coating steel wire tension control mechanism for preventing scratch of the surface coating of the variable diameter spring;

[0023] Figure 5 It is a schematic view of the adjusting mechanism in the coating steel wire tension control mechanism for preventing scratch of the surface coating of the variable diameter spring.

[0024] In the drawings: 1, rack; 2, electromagnetic damper; 3, wire roller; 4, angle control mechanism; 5, coating scratch prevention assembly; 51, fixed frame; 52, servo motor; 53, screw rod; 54, threaded sleeve; 55, adjusting mechanism; 56, tension sensor; 57, sliding rod; 58, movable wheel; 6, quick dismounting assembly; 61, fixed table; 62, control shell; 63, reset mechanism; 64, push plate; 65, top block; 551, adjusting frame; 552, connecting plate; 553, limiting seat; 554, ball; 631, limiting plate; 632, pull rod; 633, reset spring; 7, positioning wheel; 8, power wheel. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described below in combination with the drawings in the embodiments of the present application, and the described embodiments are only some of the embodiments of the present application, not all of the embodiments.

[0026] Embodiment one

[0027] Please refer to Figures 1-5The utility model discloses a coating steel wire tension control mechanism for diameter-variable spring surface coating scratch prevention, including frame 1, coating scratch prevention subassembly 5 and quick detachable subassembly 6, the left side fixed connection of frame 1 has electromagnetic damper 2, and the right side of electromagnetic damper 2 output penetrates frame 1 and is set up with wire roller 3, and the top fixed connection of frame 1 front side has angle control mechanism 4, and coating scratch prevention subassembly 5 includes fixed frame 51, and the bottom fixed connection of fixed frame 51 and frame 1, and the left side fixed connection of fixed frame 51 has servo motor 52, and the right side penetration of servo motor 52 output end fixed connection has screw rod 53 of fixed frame 51, and the surface screw thread connection of screw rod 53 has thread sleeve 54, and the bottom fixed connection of thread sleeve 54 has adjusting mechanism 55, and the bottom penetration of adjusting mechanism 55 to the bottom of fixed frame 51, and the top fixed connection of frame 1 left side has tension sensor 56, and the detection end of tension sensor 56 right side penetrates frame 1 and is fixedly connected with slide bar 57, and the surface sliding connection of slide bar 57 has movable wheel 58, and quick detachable subassembly 6 includes fixed platform 61, and the left side with frame 1 fixed connection of fixed platform 61 front side, and the rear side fixed connection of fixed platform 61 has control shell 62, and the inner chamber of control shell 62 is provided with reset mechanism 63, and the right side penetration of reset mechanism 63 control shell 62 and swing joint have push plate 64, and the front side swing joint of push plate 64 left side has top block 65, and the left side extension of top block 65 to the inner chamber of wire roller 3.

[0028] Specifically: fixed frame 51 can conveniently install and fix servo motor 52, screw rod 53 can cooperate with servo motor 52 and control the use position of thread sleeve 54 and adjusting mechanism 55, adjusting mechanism 55 can control movable wheel 58 and move left and right along with coating steel wire, prevent horizontal friction between the two, slide bar 57 and tension sensor 56 can detect the conveying tension of coating steel wire, push plate 64 can cooperate with reset mechanism 63 and control top block 65 and be clamped on one side of wire roller 3, make wire roller 3 firmly install on the surface of electromagnetic damper 2 detection end, fixed platform 61 can conveniently install and fix control shell 62, and the front and rear sides of top block 65 are all provided with positioning block, can be clamped into the positioning gap on one side of wire roller 3, increase the stability of wire roller 3 installation fixation.

[0029] Example two

[0030] Please refer to Figures 1-5On the basis of the first embodiment, the adjusting mechanism 55 comprises an adjusting frame 551, the top of the adjusting frame 551 penetrates through the fixing frame 51 and is fixedly connected with a connecting plate 552, the top of the connecting plate 552 is fixedly connected with the threaded sleeve 54, both sides of the inner cavity of the adjusting frame 551 are fixedly connected with limiting seats 553, the inner cavity of the limiting seat 553 is slidingly connected with a ball 554, the reset mechanism 63 comprises a limiting plate 631, the right side of the limiting plate 631 is fixedly connected with a pull rod 632, the surface of the pull rod 632 is sleeved with a reset spring 633, the right side of the pull rod 632 penetrates through the control shell 62 and is movably connected with the push plate 64, the right side of the push plate 64 is fixedly connected with a handle, the right side of the wire roller 3 is provided with a positioning gap used in cooperation with the top block 65, the right side of the screw rod 53 is movably connected with a mounting plate, the bottom of the mounting plate is fixedly connected with the fixing frame 51, the rear side of the left side of the mounting plate is fixedly connected with a limiting rod, the surface of the limiting rod is slidingly connected with a limiting sleeve, the front side of the limiting sleeve is fixedly connected with the threaded sleeve 54, the right side of the sliding rod 57 is provided with a limiting shell, the right side of the limiting shell is fixedly connected with the fixing frame 51, the top of the fixing frame 51 is provided with an adjusting opening, the front side of the left side of the rack 1 is fixedly connected with the positioning wheel 7, the right side of the rack 1 is fixedly connected with a guide wheel, the bottom of the right side of the rack 1 is fixedly connected with the power wheel 8, the right side of the top block 65 is movably connected with the push plate 64 through a bearing.

[0031] Specifically: the adjusting frame 551 can conveniently install and fix the two limiting seats 553, the ball 554 can not affect the autorotation of the movable wheel 58 when adjusting the position of the movable wheel 58, the connecting plate 552 can facilitate the connection and fixation of the threaded sleeve 54 and the adjusting frame 551, the limiting plate 631 can prevent the pull rod 632 from being separated from the inner cavity of the control shell 62, the pull rod 632 can be compressed with the limiting plate 631 to compress the reset spring 633, the reset spring 633 can cooperate with the limiting plate 631 to control the reset of the pull rod 632 and the push plate 64, the handle can facilitate the staff to control the use position of the push plate 64, the positioning gap can stably fix the top block 65 and the wire roller 3, the mounting plate can increase the stability of the screw rod 53 during rotation, the limiting rod and the limiting sleeve can limit the threaded sleeve 54 to prevent it from autorotating and enable the threaded sleeve 54 to stably move left and right, the limiting shell can limit one side of the sliding rod 57 to prevent the sliding rod 57 from bending due to large inclination, the adjusting opening can facilitate the left and right reciprocating movement of the adjusting frame 551, the positioning wheel 7 and the guide wheel can control the conveying position of the coated steel wire to enable it to be stably conveyed to the power wheel 8, the power wheel 8 can convey the coated steel wire to the inside of the angle control mechanism 4 to facilitate the winding of the coated steel wire on the surface of the mandrel, and the bearing can enable the top block 65 to stably rotate.

[0032] The working principle of the utility model is as follows: the staff pulls the handle, moves the push plate 64 through the handle control, the push plate 64 cooperates with the pull rod 632 to control the compression reset spring 633 of the limiting plate 631, simultaneously, the push plate 64 controls the top block 65 to no longer lock the empty line roller 3, pushes the handle downward to make the push plate 64 vertical, the staff can pull out the line roller 3 and replace the new line roller 3 to the detection end surface of the electromagnetic damper 2, reversely operates the above steps to make the top block 65 clamped into the positioning gap of one side of the line roller 3 to complete the installation and fixation thereof, utilizes the tension sensor 56, the sliding rod 57 and the movable wheel 58 to detect the tension of the coating steel wire in conveying when controlling the conveying tension of the coating steel wire, opens the servo motor 52, the servo motor 52 cooperates with the screw rod 53 to control the threaded sleeve 54, the connecting plate 552 and the adjusting frame 551 to move, the adjusting frame 551 cooperates with the limiting seat 553 and the ball 554 to make the movable wheel 58 move left and right in the rotating process, controls the movable wheel 58 and the coating steel wire to move left and right synchronously, after the movable wheel 58 and the coating steel wire move left and right synchronously, the transverse friction between them does not appear, the surface of the movable wheel 58 does not wear, prevents the friction between the movable wheel 58 and the coating steel wire from increasing, avoids the coating on the surface of the coating steel wire from being damaged.

[0033] The above disclosed utility model preferred embodiments are only used to help explain the utility model, the preferred embodiments do not describe all the details, and also do not limit the utility model to only the specific implementation mode, the description selects and specifically describes these embodiments, is to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. A tension control mechanism for coating steel wire of variable diameter spring surface with scratch-proof coating, comprising a frame (1), a coating scratch-proof assembly (5) and a quick dismounting assembly (6), characterized in that: The left side of the rack (1) is fixedly connected with an electromagnetic damper (2), the right side of the output end of the electromagnetic damper (2) penetrates through the rack (1) and is sleeved with a wire roller (3), and the top of the front side of the rack (1) is fixedly connected with an angle control mechanism (4). The coating scratch-proof assembly (5) comprises a fixed frame (51), the bottom of the fixed frame (51) is fixedly connected with the rack (1), the left side of the fixed frame (51) is fixedly connected with a servo motor (52), the right side of the output end of the servo motor (52) penetrates through the fixed frame (51) and is fixedly connected with a screw rod (53), the surface of the screw rod (53) is threadedly connected with a threaded sleeve (54), the bottom of the threaded sleeve (54) is fixedly connected with an adjusting mechanism (55), the bottom of the adjusting mechanism (55) penetrates through the bottom of the fixed frame (51), the top of the left side of the rack (1) is fixedly connected with a tension sensor (56), the detection end on the right side of the tension sensor (56) penetrates through the rack (1) and is fixedly connected with a sliding rod (57), and the surface of the sliding rod (57) is slidingly connected with a movable wheel (58). The quick disassembly assembly (6) comprises a fixed table (61), the left side of the front side of the fixed table (61) is fixedly connected with the rack (1), the rear side of the fixed table (61) is fixedly connected with a control shell (62), the inner cavity of the control shell (62) is provided with a reset mechanism (63), the right side of the reset mechanism (63) penetrates through the control shell (62) and is movably connected with a push plate (64), the front side of the left side of the push plate (64) is movably connected with a top block (65), and the left side of the top block (65) extends into the inner cavity of the wire roller (3).

2. The coated steel wire tension control mechanism for scratch protection of variable spring surface coating according to claim 1, characterized in that: The adjusting mechanism (55) comprises an adjusting frame (551), the top of the adjusting frame (551) penetrates through the fixed frame (51) and is fixedly connected with a connecting plate (552), the top of the connecting plate (552) is fixedly connected with the threaded sleeve (54), the inner cavities on both sides of the adjusting frame (551) are fixedly connected with limit seats (553), and the inner cavities of the limit seats (553) are slidingly connected with balls (554).

3. The coated steel wire tension control mechanism for a variable diameter spring surface coating scratch prevention coating of claim 1, wherein: The reset mechanism (63) comprises a limit plate (631), the right side of the limit plate (631) is fixedly connected with a pull rod (632), the surface of the pull rod (632) is sleeved with a reset spring (633), and the right side of the pull rod (632) penetrates through the control shell (62) and is movably connected with the push plate (64).

4. The coated steel wire tension control mechanism for a variable diameter spring surface coating scratch prevention coating of claim 1, wherein: The right side of the push plate (64) is fixedly connected with a handle, and the right side of the wire roller (3) is provided with a positioning notch used in cooperation with the top block (65).

5. The coated steel wire tension control mechanism for a variable diameter spring surface coating scratch prevention coating of claim 1, wherein: The right side of the screw rod (53) is movably connected with a mounting plate, the bottom of the mounting plate is fixedly connected with the fixed frame (51), the rear side of the left side of the mounting plate is fixedly connected with a limit rod, the surface of the limit rod is slidingly connected with a limit sleeve, and the front side of the limit sleeve is fixedly connected with the threaded sleeve (54).

6. The coated steel wire tension control mechanism for a variable diameter spring surface coating scratch prevention coating of claim 1, wherein: The right side of the sliding rod (57) is provided with a limit shell, the right side of the limit shell is fixedly connected with the fixed frame (51), and the top of the fixed frame (51) is provided with an adjusting opening.

7. The coated steel wire tension control mechanism for variable diameter spring surface coating scratch protection of claim 1, wherein: The front side of the left side of the rack (1) is fixedly connected with a positioning wheel (7), and the right side of the rack (1) is fixedly connected with a guide wheel.

8. The coated steel wire tension control mechanism for a variable diameter spring surface coating scratch prevention coating of claim 1, wherein: The bottom of the right side of the rack (1) is fixedly connected with a power wheel (8), and the right side of the top block (65) is movably connected with a push plate (64) through a bearing.

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