Tempering device for soft spring

Abstract

The utility model discloses a soft spring tempering device which comprises a tempering box, a transmission shaft is arranged in the tempering box, a fixing disc is arranged at the bottom of the transmission shaft, a plurality of cone-shaped second fixing seats are fixedly installed in a collecting tank, threaded rods are installed in the fixing disc in a threaded mode, the threaded rods penetrate through the second fixing seats, and the second fixing seats are fixedly installed in the collecting tank. A supporting rod is fixedly installed at the top end of the threaded rod, a plurality of sliding grooves are formed in the fixing disc, iron balls are movably installed in the sliding grooves, compression springs are fixedly installed at one ends of the sliding grooves, and check blocks are fixedly installed at the other ends of the compression springs. The supporting rod penetrates through the soft spring, the second fixing base is located at the bottom end of the soft spring, and the first fixing base is located at the top end of the soft spring, so that the soft spring can be completely supported, the radial movement space of the spring is limited through supporting and shaping, the shape of the spring can be stabilized, and the spring is prevented from being easily deformed; and meanwhile, an oxide layer on the surface of the spring can be shaken off after tempering is finished, and the trouble of follow-up treatment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spring production technical field especially relates to a soft spring's tempering device. BACKGROUND

[0002] Spring is a kind of mechanical parts using elasticity to work. The parts made of elastic material are deformed under the action of external force, and restore to original shape after removing the external force, also known as "spring", generally made of spring steel, the types of spring are complex and various, according to shape, mainly have spiral spring, spiral spring, plate spring, special-shaped spring etc., in the production and processing of spring, spring needs to be tempered.

[0003] In the prior art, the utility model discloses a kind of for spring manufacturing's stress relieving tempering device, including furnace body and furnace cover, handle is provided at the top of furnace cover, heating rod and limit roller are present in furnace body inner wall, limit roller is clamped with horizontal rack, and horizontal rack is fixedly connected with limit pin and fixed frame, main swing arm is inserted into limit pin sleeve, fixed frame is connected with article placing tray, and article placing tray is welded with fixed rod, horizontal rack is fixedly connected with auxiliary swing arm, shaft is inserted in furnace body inner wall, and the one side of shaft is fixedly connected with rotating disc, the other side is fixedly connected with motor, rotating disc is integrally formed with two clamping columns.

[0004] In the above prior art, although the shaft is driven by motor, the clamping column on the article placing tray drives the auxiliary swing arm to move to one side, the main swing arm moves to the other side, so that the horizontal rack and the spring arranged on the article placing tray make reciprocating motion, solve the problem of uneven heating in spring tempering process, but the outer ring of spring will shrink after tempering, cannot maintain stable shape, easy to deform, affect use effect. UTILITY MODEL CONTENTS

[0005] The utility model discloses in order to solve the technical problem that the outer ring of spring will shrink, cannot maintain stable shape, easy to deform, affect use effect, provide a kind of soft spring's tempering device.

[0006] The utility model discloses in order to achieve the above-mentioned purpose, provide the following technical scheme: a kind of soft spring's tempering device, including tempering box, the inside of the tempering box is provided with transmission shaft, the bottom of the transmission shaft is provided with fixed disc, the upper surface of the fixed disc is equipped with collection groove, the inside of the collection groove is fixedly installed with multiple conical second fixed seat,

[0007] The inside of the fixed disc is screw-threaded with threaded rod, the threaded rod penetrates second fixed seat, and threaded rod is fixedly installed with support rod at top,

[0008] The inside of the fixed disc is provided with a plurality of arc-shaped sliding grooves, iron balls are movably installed in the sliding grooves, and a compression spring is fixedly installed at one end of the sliding groove.

[0009] Optionally, a pressing plate is slidably installed at the top of the transmission shaft, a limiting screw is threadedly installed on the front surface of the pressing plate, and a first fixing base that cooperates with the second fixing base is fixedly installed on the lower surface of the pressing plate.

[0010] Optionally, an L-shaped mounting bracket is fixedly installed at the top of the tempering box, and a motor that drives the transmission shaft is fixedly installed on the lower surface of the mounting bracket.

[0011] Optionally, a rotating shaft is rotatably installed at the top of the two sides of the tempering box, a driven wheel is fixedly installed at the top end of the rotating shaft, and a fan blade is fixedly installed at the bottom end of the rotating shaft, two driving wheels are fixedly installed on the output end of the motor, and the driving wheels and the driven wheel are drivingly connected through a transmission belt.

[0012] Optionally, a heater is arranged in the inner cavity of the tempering box, and air return pipes that communicate with the upper and lower ends of the tempering box are arranged on the two sides of the tempering box.

[0013] Optionally, a fastening screw is arranged through the inside of the fixed disc, and the fixed disc is assembled at the bottom of the transmission shaft through the fastening screw.

[0014] Compared with the prior art, the tempering device for soft springs has the following beneficial effects:

[0015] 1. In the utility model, the supporting rod penetrates the soft spring, the second fixing base is located at the bottom end of the soft spring and is used for supporting the coil, then the pressing plate drives the first fixing base to move downwards, so that the first fixing base is located at the top end of the soft spring, then the limiting screw is rotated, the other end of the limiting screw abuts against the transmission shaft to complete limiting, the soft spring can be completely supported, the supporting and shaping limit the radial movement space of the spring, the multiple springs are prevented from winding and overlapping in the tempering process, the shape of the spring is stabilized, and the spring is prevented from being easily deformed.

[0016] 2. In the utility model, when the fixed disc is driven to rotate by the transmission shaft, the iron ball rotates together, so that the iron ball always presses the compression spring, when the fixed disc stops rotating at the end of the tempering, the compression spring resets when no force is applied to the compression spring, the iron ball is pushed back by the stop block, the iron ball hits the other end of the sliding groove, the iron ball is subjected to a reverse shock force, the iron ball reciprocates in the sliding groove, so that the fixed disc is vibrated, the soft spring is vibrated, the oxide layer impurities on the surface of the soft spring are shaken off and fall into the collecting groove below, the subsequent processing is saved, and the working efficiency is improved.

[0017] 3、 The utility model discloses a through the rotation of motor, drive driving wheel rotation, through the use of belt, drive driven wheel rotation, to make the fan blade rotation, blow the heat in the annealing box from top to bottom, through the use of return air pipe, complete hot air circulation, make the spring even in the annealing process heat. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole three -dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is annealing structure schematic diagram of the utility model;

[0020] Figure 3 It is fixed disc structure schematic diagram of the utility model;

[0021] Figure 4 It is fixed disc sectional structure schematic diagram of the utility model;

[0022] In the drawing: 1, annealing box;2, box door;3, heater;4, mounting bracket;5, motor;6, transmission shaft;7, pressing plate;8, limit screw;9, first fixed seat;10, fixed disc;11, fastening screw;12, collection groove;13, second fixed seat;14, support rod;15, threaded rod;16, knob;17, sliding slot;18, iron ball;19, stop block;20, compression spring;21, driving wheel;22, rotating shaft;23, driven wheel;24, belt;25, fan blade;26, return air pipe. DETAILED DESCRIPTION

[0023] In order to make the personnel in the technical field better understand the utility model scheme, below will combine the drawings in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described.

[0024] Reference Figure 1 A kind of annealing device of soft spring, including annealing box 1, hinged box door 2 on the front surface of annealing box 1, and heating device 3 is fixedly installed on the both sides of the inner chamber of annealing box 1.

[0025] Reference Figure 2 L-shaped mounting bracket 4 is fixedly installed on the top of annealing box 1, motor 5 is fixedly installed on the lower surface of mounting bracket 4, the output end of motor 5 penetrates the top of annealing box 1, and is rotationally connected with annealing box 1, and its lower end surface is fixedly installed with transmission shaft 6, transmission shaft 6 is equipped with fixed disc 10 on the bottom, fastening screw 11 is penetrated in the inside of fixed disc 10, and fixed disc 10 is assembled on the bottom of transmission shaft 6 by fastening screw 11.

[0026] Further, the fixed disc 10 is used for placing the soft spring, in use, the motor 5 drives the transmission shaft 6 to rotate, so that the transmission shaft 6 drives the fixed disc 10 to rotate, the fixed disc 10 drives the soft spring to rotate in the tempering box 1 when rotating, and the soft spring is uniformly heated during tempering, thereby improving the tempering effect and improving the product quality.

[0027] With reference to Figure 2 And Figure 3 , the upper surface of the fixed disc 10 is fixedly provided with a conical second fixing seat 13, the second fixing seat 13 is conical, facilitating the insertion of the soft spring and supporting the bottom coil of the soft spring, the lower surface of the fixed disc 10 is threadedly provided with a threaded rod 15, the threaded rod 15 penetrates through the second fixing seat 13 and is threadedly matched with the second fixing seat 13, the top end of the threaded rod 15 is fixedly provided with a supporting rod 14, and the bottom of the threaded rod 15 is fixedly provided with a knob 16, the top of the transmission shaft 6 is slidably provided with a pressing plate 7, the front surface of the pressing plate 7 is threadedly provided with a limiting screw 8, and the lower surface of the pressing plate 7 is fixedly provided with a first fixing seat 9 matched with the second fixing seat 13.

[0028] Further, in use, the supporting rod 14 penetrates through the soft spring, the second fixing seat 13 is located at the bottom end of the soft spring, and is used for supporting the bottom coil of the soft spring, then the pressing plate 7 drives the first fixing seat 9 to move downwards, so that the first fixing seat 9 is located at the top end of the soft spring, and then the limiting screw 8 is rotated to make the other end of the limiting screw 8 abut against the transmission shaft 6 to complete limiting, so that the soft spring can be completely supported, the supporting and shaping limit the radial movement space of the spring, avoid the winding and overlapping of multiple springs during tempering, can stabilize the shape of the spring and prevent the easy deformation of the spring, when the length of the soft spring changes, the knob 16 can be rotated, the rotation of the knob 16 drives the threaded rod 15 to rotate, so that the threaded rod 15 drives the supporting rod 14 to move, and the distance between the supporting rod 14 and the second fixing seat 13 is changed, so that the soft spring of different lengths can be supported, and the use range is expanded.

[0029] With reference to Figure 3 And Figure 4 , the upper surface of the fixed disc 10 is provided with a collecting groove 12, the second fixing seat 13 is arranged in the collecting groove 12, and the surface of the soft spring will form an oxide layer due to high temperature during tempering, the collecting groove 12 is used for receiving the oxide layer impurities, a plurality of arc-shaped sliding grooves 17 are arranged in the fixed disc 10, iron balls 18 are movably arranged in the sliding grooves 17, one end of the sliding groove 17 is fixedly provided with a compression spring 20, the other end of the compression spring 20 is fixedly provided with a stop block 19, and the stop block 19 is slidably arranged in the sliding groove 17.

[0030] Further, in use, when the transmission shaft 6 drives the fixed disc 10 to rotate, the iron ball 18 rotates along with the fixed disc 10, so that the iron ball 18 always presses the compression spring 20, when the fixed disc 10 stops rotating at the end of tempering, the compression spring 20 resets, pushes the iron ball 18 back through the stopper 19, and the iron ball 18 hits the other end of the chute 17, the impact of the iron ball 18 makes the fixed disc 10 vibrate, so that the soft spring vibrates, and the oxide layer impurities on the surface of the soft spring are shaken off and fall into the collecting groove 12 below, saving the trouble of subsequent processing and accelerating the work efficiency.

[0031] Reference Figure 1 And Figure 2 The top of the tempering box 1 is penetrated through with a rotating shaft 22, the rotating shaft 22 is rotationally matched with the tempering box 1, the top end of the rotating shaft 22 is fixedly installed with a driven wheel 23, the output end of the motor 5 is fixedly installed with two driving wheels 21, the driving wheels 21 are transmissionally connected with the driven wheel 23 through a transmission belt 24, the bottom end of the rotating shaft 22 is fixedly installed with a fan blade 25, the two sides of the tempering box 1 are communicated with a return air pipe 26, and the return air pipe 26 simultaneously communicates the upper end and the lower end of the tempering box 1.

[0032] Further, in use, the motor 5 rotates to drive the driving wheels 21 to rotate, the transmission belt 24 is used to drive the driven wheel 23 to rotate, so that the fan blade 25 rotates to blow the heat in the tempering box 1 from top to bottom, the return air pipe 26 is used to complete the hot air circulation, so that the spring is evenly heated in the tempering process.

[0033] Some terms are used in the description and claims herein to refer to particular components. One skilled in the art will recognize that manufacturers can refer to a component by different names. This description and claims should not be limited as a result of these differences in nomenclature. The terms "including" and "comprising" are used herein in their open-ended, conventional sense unless otherwise indicated. The term "consisting essentially of" is used herein to indicate the inclusion of some recited items or group of items and the exclusion of other, non-recited items or group of items that can affect the definition of the phrase. The use of "about" in conjunction with a recited value means that the value is within a reasonable expected range of the value.

[0034] It should be noted that the terms "comprising," "including," and "having" or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a process, product, or method that comprises, has, or includes an item refers to a process, product, or method that can also have other items not expressly listed or included. Further, unless otherwise specified, the use of "or" in any statement herein is intended to indicate a possible selection of either one of the items or a combination of the items. The use of "and" in any statement herein is intended to indicate a possible selection of either one of the items or a combination of the items.

[0035] The foregoing description illustrates and describes several preferred embodiments of the present application. However, it is to be understood that the application is not limited to the precise forms described, and that changes can be made therein without departing from the scope of the present application. Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. Therefore, the specification and examples are to be considered exemplary only, with a true scope and spirit of the application being indicated by the following claims.

Claims

1. A tempering device for soft springs, characterized in that Including annealing box (1), the inside of annealing box (1) is provided with transmission shaft (6), the bottom of transmission shaft (6) is provided with fixed disc (10), the upper surface of fixed disc (10) is opened with collection groove (12), a plurality of conical second fixed base (13) is fixedly installed in the inside of collection groove (12), The inside of fixed disc (10) is screw-mounted with threaded rod (15), threaded rod (15) penetrates second fixed base (13), and the top end of threaded rod (15) is fixedly installed with support rod (14), The inside of fixed disc (10) is opened with a plurality of arc-shaped sliding grooves (17), iron ball (18) is movably installed in the inside of sliding groove (17), and compression spring (20) is fixedly installed at one end of sliding groove (17), the other end of compression spring (20) is fixedly installed with stop block (19).

2. A tempering device for soft springs according to claim 1, characterized in that The top of transmission shaft (6) is penetrated and slidably installed with pressing plate (7), the front surface of pressing plate (7) is screw-mounted with limit screw (8), and the lower surface of pressing plate (7) is fixedly installed with first fixed base (9) used in cooperation with second fixed base (13).

3. A tempering device for soft springs according to claim 1, characterized in that The top of annealing box (1) is fixedly installed with L-shaped mounting bracket (4), the lower surface of mounting bracket (4) is fixedly installed with motor (5) driving transmission shaft (6).

4. A tempering device for soft springs according to claim 3, characterized in that The top of annealing box (1) is rotatably installed with rotating shaft (22) on both sides, the top end of rotating shaft (22) is fixedly installed with driven wheel (23), and the bottom end of rotating shaft (22) is fixedly installed with fan blade (25), the output end of motor (5) is fixedly installed with two driving wheels (21), the driving wheels (21) and driven wheel (23) are drivingly connected through transmission belt (24).

5. A tempering device for soft springs according to claim 4, characterized in that The inner cavity of annealing box (1) is provided with heater (3), and air return pipe (26) is communicated on both sides of annealing box (1), the air return pipe (26) is simultaneously communicated with the upper end and the lower end of annealing box (1).

6. A tempering device for soft springs according to claim 1, characterized in that The inside of fixed disc (10) is penetrated with fastening screw (11), and fixed disc (10) is assembled at the bottom of transmission shaft (6) through fastening screw (11).

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