Spring steel wire drawing device

Abstract

The utility model relates to the technical field of drawing, and discloses a spring steel wire drawing device which comprises a base, a drawing assembly is arranged on the left side of the top end of the base and comprises a chuck, a circulating filtering assembly is arranged at the bottom end of the chuck, and a feeding wall is fixedly connected to the right side of the outer surface of the top end of the base. An oil receiving pipe is fixedly connected to the top end of the outer surface of the feeding wall, a sleeve is slidably connected to the inner surface of the oil receiving pipe, an oil discharging pipe is slidably connected to the inner surface of the sleeve, and an oil discharging hole is formed in the bottom end of the outer surface of the oil discharging pipe. According to the steel wire surface spraying device, by arranging the cam and the sleeve, when the guide roller rotates, the cam can be driven to extrude the bottom end of the traction rod, the sleeve is driven to move upwards, an oil discharging hole in the bottom end of the oil discharging pipe is stopped, the oil discharging pipe conveys cooling oil to the chuck, and the device can spray the surface of a steel wire only when running; therefore, the cooling oil is prevented from being wasted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drawing technical field especially relates to a spring steel wire drawing device. BACKGROUND

[0002] In the production of spring steel wire, need to use drawing device to stretch, cool and lubricate the steel wire, to improve its strength and toughness, improve ductility and fatigue resistance, and help to prolong the service life of spring effect.

[0003] Usually in drawing, it is first to cut the one end of the steel wire, so that the one end of the steel wire can pass through the drawing die, and then the drawing machine pulls the one end of the steel wire, so that the diameter of the steel wire is reduced after passing through the die, and the strength and hardness of the steel wire are increased, and when drawing, the surface of the steel wire is continuously sprayed with cooling oil to control the temperature and reduce the friction, to prevent scratches or other defects on the surface of the steel wire.

[0004] And considering that when opening and closing the cooling oil, usually in drawing, the switch of the cooling oil is started, so that the cooling oil is always sprayed on the die mouth, which not only causes waste of cooling oil due to continuous spraying, but also may cause oil stains, dirt or uneven coating on the surface of the steel wire due to accumulation of cooling oil in the die mouth, affecting subsequent detection and processing, therefore a spring steel wire drawing device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a spring steel wire drawing device, which aims at improving the problem that continuous spraying of cooling oil in the prior art not only causes waste of oil, but also may cause oil stains, dirt or uneven coating on the surface of the steel wire due to accumulation of oil in the die mouth, thereby affecting the detection and processing quality.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a spring steel wire drawing device, comprising a base, a drawing assembly is arranged on the top left side of the base, the drawing assembly comprises a chuck, a circulating filter assembly is arranged at the bottom end of the chuck, an inlet wall is fixedly connected to the outer surface of the top end of the base, an oil receiving pipe is fixedly connected to the outer surface of the top end of the inlet wall, a sleeve is slidably connected to the inner surface of the oil receiving pipe, a drain pipe is slidably connected to the inner surface of the sleeve, a drain hole is formed in the outer surface of the bottom end of the drain pipe, a traction rod is fixedly connected to the outer surface of the right side of the sleeve, a guide roller is rotatably connected to the outer surface of the top end of the inlet wall, a cam is fixedly connected to the outer surface of the rear end of the guide roller, and the outer surface of the cam is in contact with the outer surface of the bottom end of the traction rod.

[0007] As a further description of the above technical scheme:

[0008] The drawing assembly further comprises a drawing table, an auxiliary roller, a drawing seat and a drawing die, the outer surface bottom end of the drawing table is fixedly connected with the outer surface left side of the top end of the base, the outer surface top end of the drawing table is rotatably connected with the auxiliary roller, the outer surface bottom end of the drawing seat is fixedly connected with the outer surface right side of the drawing table, the inner surface right side of the drawing seat is inserted with the drawing die, the outer surface left side of the chuck is fixedly connected with the outer surface right side of the drawing seat through bolts, and the outer surface bottom end of the oil receiving pipe is fixedly connected with the outer surface right side of the chuck through a hose.

[0009] As a further description of the above technical solution:

[0010] The circulating filtering assembly comprises an oil receiving platform, a filtering sponge, a filtering pool, an oil pump and an oil tank, the outer surface left side of the oil receiving platform is fixedly connected with the outer surface right side of the drawing table, the inner surface top end of the oil receiving platform is contactingly connected with the filtering sponge, the outer surface bottom end of the filtering pool is fixedly connected with the outer surface rear end of the top end of the base, the oil receiving platform is fixedly connected with the outer surface top end of the filtering pool through an oil conveying pipe, the outer surface bottom end of the oil pump is fixedly connected with the outer surface rear end of the top end of the base, the input end of the oil pump is fixedly connected with the outer surface left side of the filtering pool, the output end of the oil pump is fixedly connected with the outer surface top end of the oil tank, and the outer surface bottom end of the oil tank is fixedly connected with the outer surface top end of the feeding wall.

[0011] As a further description of the above technical solution:

[0012] The inner surface top end of the oil receiving platform is rotatably and slidably connected with an oil squeezing roller, the outer surface of the oil squeezing roller is contactingly connected with the outer surface top end of the filtering sponge, the outer surface of the oil squeezing roller is rotatably connected with a pull rod, and the outer surface of the pull rod is slidably connected with the inner surface of the oil receiving platform.

[0013] As a further description of the above technical solution:

[0014] The outer surface of the guide roller is contactingly connected with a spring wire, and the outer surface of the spring wire is slidably connected with the inner surface of the chuck, the inner surface of the drawing die and the inner surface of the drawing seat.

[0015] As a further description of the above technical solution:

[0016] The inner surface of the chuck is provided with an oil injection hole, the bottom end of the traction rod is rotatably connected with a roller, and the outer surface of the roller is contactingly connected with the outer surface of the cam.

[0017] As a further description of the above technical solution:

[0018] The auxiliary roller is provided with a plurality of groups, and the outer surfaces of the plurality of groups of auxiliary rollers are contactingly connected with the outer surface of the spring wire.

[0019] As a further description of the above technical solutions:

[0020] The outer surface top end of the oil discharge pipe is fixedly connected with the outer surface front end of the oil tank.

[0021] The utility model has the following beneficial effects:

[0022] 1、 the utility model discloses a cam and sleeve are equipped with, make the guide roller when rotating, will drive the cam extrusion draw bar's bottom and drive sleeve to move upwards, stop the oil hole of oil discharge pipe bottom and make the oil discharge pipe to chuck conveying cooling oil, make the device only when running, can spray on the steel wire surface to prevent the effect of cooling oil waste.

[0023] 2、 the utility model discloses an extrusion roller is equipped with, after finishing processing, through the draw bar, make it drive extrusion roller roll along the top end of filter sponge, can effectively discharge the cooling oil that stores in the inside of sponge, to ensure that cooling oil does not appear the situation of excessive accumulation. DRAWINGS

[0024] Figure 1 It is the main body structure schematic drawing of spring steel wire drawing device that the utility model proposes;

[0025] Figure 2 It is the rear view structure schematic drawing of spring steel wire drawing device that the utility model proposes;

[0026] Figure 3 It is the oil receiving pipe structure schematic drawing of spring steel wire drawing device that the utility model proposes;

[0027] Figure 4 It is the oil receiving pipe sectional structure schematic drawing of spring steel wire drawing device that the utility model proposes;

[0028] Figure 5 It is the drawing die dismounting structure schematic drawing of spring steel wire drawing device that the utility model proposes.

[0029] Legend:

[0030] 1, base;2, drawing table;3, feed wall;4, auxiliary roller;5, drawing seat;6, chuck;7, spring steel wire;8, guide roller;9, oil tank;10, filter sponge;11, oil receiving platform;12, filter tank;13, oil pump;14, oil discharge pipe;15, sleeve;16, oil receiving pipe;17, cam;18, draw bar;19, drawing die;20, extrusion roller;21, draw bar;22, oil injection hole. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 1 - Figure 3 The utility model provides an embodiment: a spring steel wire drawing device, including base 1, the top left side of base 1 is provided with drawing assembly, makes drawing assembly can draw the effect to spring steel wire 7, drawing assembly includes chuck 6, the bottom of chuck 6 is provided with circulating filter assembly, makes circulating filter assembly can collect the effect of purification to the excessive cooling oil, the outer surface right side of base 1 top is fixedly connected with feed wall 3, and the top of feed wall 3 is provided with oil receiving pipe 16, and the outer surface top of feed wall 3 is provided with the fixed support effect for oil receiving pipe 16, the inner surface of oil receiving pipe 16 is slidably connected with sleeve 15, and the outer surface of sleeve 15 can be along the inner surface of oil receiving pipe 16 vertically moves the effect, the inner surface of sleeve 15 is slidably connected with oil drain pipe 14, and sleeve 15 can along the outer surface of oil drain pipe 14 vertically moves the effect, the outer surface bottom of oil drain pipe 14 is provided with oil drain hole, and oil drain pipe 14 can be through oil drain hole and is discharged from the effect of cooling oil in oil tank 9 to oil receiving pipe 16, the outer surface right side of sleeve 15 is fixedly connected with traction rod 18, and traction rod 18 can drive sleeve 15 to move together when vertically moving the effect, the outer surface top of feed wall 3 is rotatably connected with guide roller 8, and guide roller 8 can along the outer surface top of feed wall 3 rotates the effect, the outer surface rear end of guide roller 8 is fixedly connected with cam 17, and guide roller 8 can drive cam 17 to rotate together when rotating the effect, the outer surface of cam 17 is in contact with the outer surface bottom of traction rod 18, and traction rod 18 can vertically move under the driving of cam 17 the effect.

[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figure 1 - Figure 3The drawing assembly further comprises a drawing table 2, an auxiliary roller 4, a drawing seat 5 and a drawing die 19. The outer surface bottom end of the drawing table 2 is fixedly connected with the outer surface left side of the top end of the base 1. The top end of the base 1 provides a fixed support effect for the drawing table 2. The outer surface top end of the drawing table 2 is rotatably connected with the auxiliary roller 4, so that the auxiliary roller 4 can rotate along the top end of the drawing table 2. The outer surface bottom end of the drawing seat 5 is fixedly connected with the outer surface right side of the drawing table 2. The outer surface right side of the drawing table 2 provides a fixed support effect for the drawing seat 5. The inner surface right side of the drawing seat 5 is inserted with the drawing die 19, so that the drawing die 19 can be put into the inside of the drawing seat 5. The outer surface left side of the chuck 6 is fixedly connected with the outer surface right side of the drawing seat 5 through bolts, so that the chuck 6 can fix the drawing die 19 in the drawing seat 5. The outer surface bottom end of the oil receiving pipe 16 is fixedly connected with the outer surface right side of the chuck 6 through a hose, so that the cooling oil in the oil receiving pipe 16 can be transported into the chuck 6 through the hose.

[0034] Referring to Figure 1 - Figure 3The circulating filtering assembly comprises an oil receiving platform 11, a filtering sponge 10, a filtering pool 12, an oil pump 13 and an oil tank 9. The outer surface left side of the oil receiving platform 11 is fixedly connected with the outer surface right side of the drawing bench 2. The drawing bench 2 provides a fixed support effect for the oil receiving platform 11. The inner surface top end of the oil receiving platform 11 is in contact with the filtering sponge 10. The filtering sponge 10 can be placed on the oil receiving platform 11, so that the filtering sponge 10 can filter the cooling oil dropped on the chuck 6. The outer surface bottom end of the filtering pool 12 is fixedly connected with the outer surface rear end of the top end of the base 1. The top end of the base 1 provides a fixed support effect for the filtering pool 12. The oil receiving platform 11 is fixedly connected with the outer surface top end of the filtering pool 12 through the oil conveying pipe. The cooling oil collected by the oil receiving platform 11 can flow into the filtering pool 12, so as to achieve a further purification effect. The outer surface bottom end of the oil pump 13 is fixedly connected with the outer surface rear end of the top end of the base 1. The top end of the base 1 provides a fixed support effect for the oil pump 13. The input end of the oil pump 13 is fixedly connected with the outer surface left side of the filtering pool 12. The output end of the oil pump 13 is fixedly connected with the outer surface top end of the oil tank 9. The cooling oil filtered by the filtering pool 12 can be conveyed into the oil tank 9 through the oil pump 13. The outer surface bottom end of the oil tank 9 is fixedly connected with the outer surface top end of the feeding wall 3. The top end of the feeding wall 3 provides a fixed support effect for the oil tank 9. The outer surface top end of the oil discharging pipe 14 is fixedly connected with the outer surface front end of the oil tank 9. The cooling oil in the oil tank 9 can flow into the oil discharging pipe 14. The inner surface top end of the oil receiving platform 11 is rotatably and slidably connected with the oil squeezing roller 20. The oil squeezing roller 20 can move laterally along the inner surface top end of the oil receiving platform 11 and rotate. The outer surface of the oil squeezing roller 20 is in contact with the outer surface top end of the filtering sponge 10. When the oil squeezing roller 20 moves laterally, the filtering sponge 10 can be squeezed. The outer surface of the pull rod 21 is rotatably connected with the oil squeezing roller 20. When the pull rod 21 moves laterally, the oil squeezing roller 20 can move together. The outer surface of the pull rod 21 is slidably connected with the inner surface of the oil receiving platform 11. The pull rod 21 can move laterally along the inner surface top end of the oil receiving platform 11.

[0035] Referring to Figure 1 - Figure 3The outer surface of the guide roller 8 is in contact with the spring wire 7, which can pull the spring wire 7 to move horizontally along the specified position. The outer surface of the spring wire 7 is in sliding connection with the inner surface of the chuck 6, the inner surface of the drawing die 19 and the inner surface of the drawing seat 5, which can draw the spring wire 7. The inner surface of the chuck 6 is provided with an oil injection hole 22, which can spray cooling oil on the surface of the spring wire 7. The bottom end of the traction rod 18 is rotatably connected with the roller, which can rotate along the bottom end of the traction rod 18. The outer surface of the roller is in contact with the outer surface of the cam 17, which can make the process of extruding the traction rod 18 more smooth. The auxiliary roller 4 is provided with multiple groups, and the outer surfaces of the multiple groups of auxiliary rollers 4 are in contact with the outer surface of the spring wire 7, which can correct the spring wire 7 after drawing and prevent the spring wire 7 from bending.

[0036] Working principle: when using the device, one end of the spring wire 7 is cut to pass through the drawing die 19, and then the spring wire 7 is inserted into the drawing die 19 through the guide roller 8. Then start the drawing device to continuously draw the spring wire 7, which can change the diameter of the spring wire 7 and increase the strength and hardness of the wire. During the continuous traction of the spring wire 7 by the drawing device, the guide roller 8 rotates, which drives the cam 17 to rotate and makes the traction rod 18 move vertically under the extrusion of the cam 17. When the traction rod 18 moves vertically, the sleeve 15 moves vertically along the outer surface of the oil discharge pipe 14, so that the oil discharge hole at the bottom end of the oil discharge pipe 14 is no longer blocked by the sleeve 15, so that the cooling oil in the oil discharge pipe 14 is discharged into the oil receiving pipe 16, and then is sprayed on the surface of the spring wire 7 by the oil injection hole 22 in the chuck 6.

[0037] The excess cooling oil will drip onto the filter sponge 10 on the oil receiving platform 11 along the outer surface of the chuck 6, and then be preliminarily filtered by the filter sponge 10. The filtered cooling oil will flow into the filter tank 12 for further filtration, and then be retransported to the oil tank 9 by the oil pump 13 for reuse. When the machining is completed, the oil squeezing roller 20 is pulled to roll along the top end of the filter sponge 10, which can effectively squeeze out the cooling oil accumulated in the filter sponge 10 to prevent the accumulation of cooling oil.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A spring wire drawing device comprising a base (1), characterized in that: The top left side of the base (1) is provided with a drawing assembly, the drawing assembly comprises a chuck (6), the bottom end of the chuck (6) is provided with a circulating filtering assembly, the outer surface of the top end of the base (1) is fixedly connected with a feeding wall (3) on the right side, the outer surface of the top end of the feeding wall (3) is fixedly connected with an oil receiving pipe (16), the inner surface of the oil receiving pipe (16) is slidably connected with a sleeve (15), the inner surface of the sleeve (15) is slidably connected with an oil discharging pipe (14), the outer surface of the bottom end of the oil discharging pipe (14) is provided with an oil discharging hole, the outer surface of the right side of the sleeve (15) is fixedly connected with a traction rod (18), the outer surface of the top end of the feeding wall (3) is rotatably connected with a guide roller (8), the outer surface of the rear end of the guide roller (8) is fixedly connected with a cam (17), the outer surface of the cam (17) is in contact with the outer surface of the bottom end of the traction rod (18).

2. A spring wire drawing device as claimed in claim 1, characterized in that: The drawing assembly further comprises a drawing table (2), an auxiliary roller (4), a drawing seat (5) and a drawing die (19), the outer surface of the bottom end of the drawing table (2) is fixedly connected with the outer surface of the top end of the base (1) on the left side, the outer surface of the top end of the drawing table (2) is rotatably connected with the auxiliary roller (4), the outer surface of the bottom end of the drawing seat (5) is fixedly connected with the outer surface of the right side of the drawing table (2), the inner surface of the right side of the drawing seat (5) is inserted with the drawing die (19), the outer surface of the left side of the chuck (6) is fixedly connected with the outer surface of the right side of the drawing seat (5) through bolts, and the outer surface of the bottom end of the oil receiving pipe (16) is fixedly connected with the outer surface of the right side of the chuck (6) through a hose.

3. The spring wire drawing device of claim 1, wherein: The circulating filtering assembly comprises an oil receiving platform (11), a filtering sponge (10), a filtering pool (12), an oil pump (13) and an oil tank (9), the outer surface of the left side of the oil receiving platform (11) is fixedly connected with the outer surface of the right side of the drawing table (2), the inner surface of the top end of the oil receiving platform (11) is in contact with the filtering sponge (10), the outer surface of the bottom end of the filtering pool (12) is fixedly connected with the outer surface of the rear end of the top end of the base (1), the oil receiving platform (11) is fixedly connected with the outer surface of the top end of the filtering pool (12) through an oil conveying pipe, the outer surface of the bottom end of the oil pump (13) is fixedly connected with the outer surface of the rear end of the top end of the base (1), the input end of the oil pump (13) is fixedly connected with the outer surface of the left side of the filtering pool (12), the output end of the oil pump (13) is fixedly connected with the outer surface of the top end of the oil tank (9), and the outer surface of the bottom end of the oil tank (9) is fixedly connected with the outer surface of the top end of the feeding wall (3).

4. A spring wire drawing device as claimed in claim 3, characterized in that: The inner surface of the top end of the oil receiving platform (11) is rotatably and slidably connected with an oil squeezing roller (20), the outer surface of the oil squeezing roller (20) is in contact with the outer surface of the top end of the filtering sponge (10), and the outer surface of the oil squeezing roller (20) is rotatably connected with a pull rod (21), and the outer surface of the pull rod (21) is slidably connected with the inner surface of the oil receiving platform (11).

5. A spring wire drawing device as claimed in claim 2, wherein: The outer surface of the guide roller (8) is connected with spring wire (7), the outer surface of the spring wire (7) is connected with the inner surface of the chuck (6), the inner surface of the drawing die (19) and the inner surface of the drawing seat (5).

6. A spring wire drawing device as claimed in claim 1, wherein: The inner surface of the chuck (6) is provided with oil injection hole (22), the bottom end of the traction rod (18) is rotatably connected with the roller, and the outer surface of the roller is connected with the outer surface of the cam (17).

7. A spring wire drawing device as claimed in claim 2, wherein: The auxiliary roller (4) is provided with a plurality of groups, and the outer surfaces of the plurality of groups of auxiliary rollers (4) are connected with the outer surfaces of the spring wires (7).

8. The spring wire drawing device of claim 1, wherein: The outer surface of the oil injection pipe (14) is fixedly connected with the outer surface of the oil tank (9).

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