High-precision fastener wire rod fine drawing device

Abstract

The utility model relates to the field of fastener wire machining, and discloses a high-precision fastener wire fine drawing device which comprises a supporting table, a support is fixedly connected to the upper surface of the supporting table, an air cylinder is arranged on the lower surface of the support, and U-shaped plates are fixedly connected to the bottom end of an output shaft of the air cylinder and the upper surface of the supporting table. The inner surfaces of the two U-shaped plates are rotationally connected with pressing wheels, a lubricating assembly is arranged at the top end of the supporting table, and a cleaning assembly is arranged at the top end of the supporting table. The lubricating assembly comprises a first guide plate, and the first guide plate is fixedly connected to the upper surface of the supporting table. According to the utility model, under the cooperation of the lubricating assembly, lubricating oil flows into the oil storage groove through the round pipe, the cavity and the flow guide groove, and lubricates the wire after being adsorbed by the sponge pad, so that the friction force between the wire and equipment parts in the drawing process can be effectively reduced, the abrasion of the equipment and the wire is reduced, the processing quality is improved, and the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener wire rod processing field especially relates to a high accuracy fastener wire rod fine drawing device. BACKGROUND

[0002] Under the background of the continuous development of manufacturing industry, as an important part of manufacturing industry, the automobile industry develops rapidly, and the high performance, high safety and long service life of the automobile cannot be separated from the support of a large number of high-precision fasteners. The quality of these fasteners is closely related to the quality of the wire rod produced.

[0003] In the fastener production process, wire rod fine drawing is a key link, which can improve the precision, surface quality and other performance indicators of the wire rod, so as to meet the growing high standard demand of the automobile industry for fasteners.

[0004] Through retrieval, Chinese patent publication No. CN216881084U discloses a high-precision fastener wire rod fine drawing device, which comprises a base, a water storage tank is formed in the base, two symmetrical fixed frames are arranged on the upper end of the water storage tank, two movable frames with the same structure as the fixed frames are arranged on the upper end of the two fixed frames, a driving wheel is arranged between the two fixed frames, a driven wheel is arranged between the two movable frames, a pressing plate is fixedly arranged on the upper end of the movable frame, a cylinder mounting frame is arranged on the upper end of the pressing plate, a cylinder is arranged on the upper end of the cylinder mounting frame, a guide assembly is arranged at the front end of the fixed frame, and a rotary motor is arranged on one side of the fixed frame. The utility model has the beneficial effects that: the high-precision fastener fine drawing device adjusts the wire drawing driving wheel and the driven wheel to extrude the wire rod in the wire slot through the cylinder, drives the rotating speed of the driving wheel through the rotary motor, reduces the load of the pushing wire rod, makes the wire rod bear force evenly during the wire drawing process, ensures that the wire rod reduction area after fine drawing is within 15%, and meets the processing demand of high-precision fasteners.

[0005] Although the device has certain improvement, it still has some problems. On the one hand, there is no effective lubrication system, and the friction between the wire rod and the equipment parts is large during the drawing process, which will cause the wire rod surface to appear scratches and other defects, affect the surface quality, and affect the service life of the equipment. On the other hand, static electricity generated by the friction of the rough-drawn wire rod surface will attract a large amount of dust and impurities, which will cause defects on the wire rod surface during fine drawing, affecting the quality of the final fastener.

[0006] Therefore, a high-precision fastener wire rod fine drawing device is proposed to solve the above problems. Utility model content

[0007] In order to make up for the above shortcomings, the utility model provides a high-precision fastener wire rod fine drawing device, which aims to improve the problem of insufficient lubrication and impurity adhesion in the prior art, and further affect the quality of the subsequent fine drawing of the wire rod.

[0008] In order to achieve the above object, the utility model discloses the following technical scheme: a high-precision fastener wire rod fine extraction device, including the support table, the upper surface of the support table is fixedly connected with the support, the lower surface of the support is provided with the pneumatic cylinder, the bottom of pneumatic cylinder output shaft and the upper surface of the support table are all fixedly connected with the U-shaped plate, the inner surface of two groups U-shaped plates is all rotatably connected with the pinch roller, the top of support table is provided with lubricating assembly, the top of support table is provided with cleaning assembly,

[0009] The lubricating assembly comprises a guide plate one, the guide plate one is fixedly connected to the upper surface of the support table, the upper surface of the support table is fixedly connected with a guide plate two, the inner surfaces of the guide plate one and the guide plate two are rotatably connected with roller shafts, and the outer walls of the roller shafts are fixedly connected with sponge pads.

[0010] As a further description of the above technical scheme:

[0011] The lubricating assembly further comprises a circular pipe, the circular pipe penetrates through and is fixedly connected to the front surface of the guide plate one, a one-way valve is arranged on the middle section of the circular pipe, a cavity is formed in the inner wall of the guide plate one, a flow guide groove is formed in the inner wall of the guide plate one, and an oil storage groove is formed in the inner wall of the guide plate one.

[0012] As a further description of the above technical scheme:

[0013] The cleaning assembly comprises a slot, the slot is formed in the upper surface of the support table, a plug rod is inserted into the inner wall of the slot, the upper surface of the plug rod is fixedly connected with a cleaning ring, a clamping groove is formed in the bottom of the front surface of the cleaning ring, and a clamping block is elastically connected to the inner wall of the front side of the support table through a compression spring.

[0014] As a further description of the above technical scheme:

[0015] The upper surfaces of the guide plate one and the guide plate two are both provided with semicircular recesses, and the upper surfaces of the roller shafts protrude from the upper surfaces of the guide plate one.

[0016] As a further description of the above technical scheme:

[0017] The rear end of the circular pipe is located in the cavity, the bottom of the cavity is provided as an inclined surface, and the rear end of the cavity and the front end of the flow guide groove are communicated.

[0018] As a further description of the above technical scheme:

[0019] The flow guide groove is provided as an inclined shape with a front high and rear low, the rear end of the flow guide groove and the front end of the oil storage groove are communicated, and the bottom ends of the roller shafts and the sponge pads are both located in the oil storage groove.

[0020] As a further description of the above technical scheme:

[0021] The inner surface of the cleaning ring is fixedly connected with bristles, and the clamping block is slidingly connected to the inner wall of the support table.

[0022] Further description of the above technical solution:

[0023] The rear surface of the clamping block is provided as an arc surface, and the clamping block is inserted into the inner wall of the clamping groove.

[0024] The utility model has the advantages of the following:

[0025] 1. In the utility model, under the cooperation of the lubricating assembly, the lubricating oil will flow into the oil storage groove through the circular pipe, the cavity and the flow guide groove, and then be adsorbed by the sponge pad to provide lubrication for the wire rod, which can effectively reduce the friction between the wire rod and the equipment components during the drawing process, reduce the wear of the equipment and the wire rod, improve the processing quality, and prolong the service life of the equipment.

[0026] 2. In the utility model, through the cooperation of the cleaning assembly, the dust and impurities adsorbed on the surface of the wire rod after rough drawing due to static electricity can be effectively removed, so that the surface quality of the wire rod is not affected during fine drawing, the defects are reduced, and the fine drawing quality of the wire rod is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front view schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0028] Figure 2 It is a sectional view schematic diagram of the three-dimensional structure of the guide plate one and the guide plate two in the utility model;

[0029] Figure 3 It is a sectional view schematic diagram of the three-dimensional structure of the guide plate one and the roller shaft in the utility model;

[0030] Figure 4 It is a sectional view schematic diagram of the three-dimensional structure of the support table and the insertion rod in the utility model.

[0031] LEGEND:

[0032] 1. Support table; 2. Support; 3. Air cylinder; 4. U-shaped plate; 5. Pressing wheel; 61. Guide plate one; 62. Guide plate two; 63. Roller shaft; 64. Sponge pad; 65. Circular pipe; 66. One-way valve; 601. Cavity; 602. Flow guide groove; 603. Oil storage groove; 71. Insertion rod; 72. Cleaning ring; 73. Clamping block; 74. Compression spring; 701. Insertion slot; 702. Clamping groove. DETAILED DESCRIPTION

[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.

[0034] 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. Figures 1-2 The present application provides an embodiment: a high-precision fastener wire rod fine-drawing device, the raw material of the high-precision fastener is a wire rod, the fastener in the technical solution is a high-strength automobile fastener wire rod, a corrosion-resistant automobile fastener wire rod, etc., and the high-precision fastener wire rod fine-drawing device comprises a supporting table 1 for supporting the device, the supporting table 1 is located behind a continuous wire drawing machine, the wire rod moved to the supporting table 1 is coarsely drawn, the coarsely drawn wire rod will generate friction when being drawn, and static electricity exists on the surface, and dust in the air will be adsorbed in the process of moving to the supporting table 1, a device for drawing the wire rod exists at the next process of the supporting table 1, the device is prior art and can be realized by those skilled in the art, and since it is prior art, it will not be described too much in the present case, the upper surface of the supporting table 1 is fixedly connected with a support 2, the lower surface of the support 2 is provided with a pneumatic cylinder 3, the pneumatic cylinder 3 is prior art and can be realized by those skilled in the art, and since it is prior art, it will not be described too much in the present case, the bottom end of the output shaft of the pneumatic cylinder 3 and the upper surface of the supporting table 1 are both fixedly connected with a U-shaped plate 4, the pneumatic cylinder 3 can drive the U-shaped plate 4 at the upper position to move up and down after being started, the inner surfaces of the two groups of U-shaped plates 4 are both rotatably connected with a pressure roller 5, the two groups of pressure rollers 5 can further draw the wire rod, a lubricating assembly is arranged at the top end of the supporting table 1, the lubricating assembly can reduce the wear during drawing, and can effectively avoid the wear and damage of the wire rod and the device, a cleaning assembly is arranged at the top end of the supporting table 1, the cleaning assembly can sweep the dust adsorbed on the surface of the wire rod, and the drawing precision of the subsequent process is improved.

[0035] 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. Figures 1-3The lubricating assembly comprises a guide plate one 61 fixedly connected to the upper surface of the support table 1, the guide plate one 61 being located at the left side of the support 2, the upper surface of the support table 1 being fixedly connected with a guide plate two 62, the guide plate two 62 being located at the right side of the support 2, the inner surfaces of the guide plate one 61 and the guide plate two 62 being rotatably connected with roller shafts 63, the roller shafts 63 being capable of providing support for the wire rod, the outer walls of the roller shafts 63 being fixedly connected with sponge pads 64, the lubricating assembly further comprising a circular tube 65 penetrating through and fixedly connected to the front surface of the guide plate one 61, lubricating oil being capable of being added from the circular tube 65, the middle section of the circular tube 65 being provided with a one-way valve 66, the one-way valve 66 being a prior art and capable of being realized by those skilled in the art, the one-way valve 66 being capable of adding lubricating oil only from the front end of the circular tube 65 and incapable of flowing out from the front end of the circular tube 65, the inner wall of the guide plate one 61 being provided with a cavity 601, the inner wall of the guide plate one 61 being provided with a flow guide groove 602, and the inner wall of the guide plate one 61 being provided with an oil storage groove 603.

[0036] With reference to Figures 1-3 The upper surfaces of the guide plate one 61 and the guide plate two 62 are each provided with a semicircular recess, the wire rod being conveniently placed, the upper surfaces of the roller shafts 63 protruding from the upper surfaces of the guide plate one 61 and the guide plate two 62, the rear end of the circular tube 65 being located inside the cavity 601, the added lubricating oil entering the cavity 601, the bottom end of the cavity 601 being provided as an inclined surface, the rear end of the cavity 601 and the front end of the flow guide groove 602 being in communication, the flow guide groove 602 being provided as an inclined surface with the front end being higher than the rear end, the rear end of the flow guide groove 602 and the front end of the oil storage groove 603 being in communication, the lubricating oil in the cavity 601 flowing into the oil storage groove 603 along the track of the flow guide groove 602, the bottom ends of the roller shafts 63 and the sponge pads 64 being located inside the oil storage groove 603, the sponge pads 64 adsorbing the lubricating oil inside the oil storage groove 603 and printing the lubricating oil on the wire rod when contacting the wire rod, so as to realize lubrication when the wire rod is subsequently pulled.

[0037] With reference to Figure 1 , Figure 4 The cleaning assembly comprises a slot 701 provided on the upper surface of the support table 1, the inner wall of the slot 701 being inserted with a plug rod 71, the upper surface of the plug rod 71 being fixedly connected with a cleaning ring 72, the cleaning ring 72 being a circular ring, the height of the cleaning ring 72 being the same as the height of the semicircular recesses on the upper surfaces of the guide plate one 61 and the guide plate two 62, the bottom end of the front surface of the cleaning ring 72 being provided with a clamping groove 702, the inner wall of the front side of the support table 1 being elastically connected with a clamping block 73 through a compression spring 74, the clamping block 73 and the clamping groove 702 being fitted.

[0038] With reference to Figure 1 , Figure 4The inner surface of the cleaning ring 72 is fixedly connected with bristles, the bristles are made of flexible material and are in contact with the surface of the wire, so that the dust can be swept down without abrading the wire. The clamping block 73 is slidingly connected to the inner wall of the support table 1 and slides in the front-rear direction. When the clamping block 73 moves forward, it will press and compress the compression spring 74 to generate a reaction force. The rear surface of the clamping block 73 is provided with a curved surface. When the curved surface is pressed by an external force, the clamping block 73 will move forward. The clamping block 73 is inserted into the inner wall of the clamping groove 702. When the clamping block 73 moves forward, it will be disengaged from the clamping groove 702 to release the limiting of the insertion rod 71.

[0039] Working principle: when pulling, the air cylinder 3 is started, and the output shaft of the air cylinder 3 drives the U-shaped plate 4 above to move up and down. At this time, the distance between the two groups of pressing wheels 5 changes, so that the pressure on the wire can be applied, which facilitates further pulling to improve the precision of the wire and achieve fine pulling.

[0040] Before pulling, lubricating oil is added to the device through the circular pipe 65. The one-way valve 66 in the middle section of the circular pipe 65 ensures that the lubricating oil can only be added from the front end. The lubricating oil will enter the cavity 601 along the circular pipe 65. Because the bottom end of the cavity 601 is a slope and its rear end is communicated with the front end of the flow guide groove 602, under the action of gravity, the lubricating oil flows along the flow guide groove 602 and flows into the oil storage groove 603.

[0041] The bottom end of the roller shaft 63 and the sponge pad 64 is located in the oil storage groove 603. The sponge pad 64 will absorb the lubricating oil in the oil storage groove 603. When the wire is pulled, it will come into contact with the sponge pad 64 and drive the sponge pad 64 and the roller shaft 63 to rotate. The sponge pad 64 will print the absorbed lubricating oil on the surface of the wire, which will play a lubricating role in subsequent pulling and reduce the friction and wear between the wire and the device.

[0042] Moreover, before the wire is lubricated, it will pass through the cleaning ring 72. The bristles will come into contact with the surface of the wire and will sweep off the dust adsorbed on the surface of the wire due to static electricity, thereby improving the subsequent pulling precision.

[0043] When it is necessary to dismount or install the cleaning ring 72, the insertion rod 71 can be directly pulled upward or inserted into the insertion slot 701. During the insertion and extraction process, the curved surface of the clamping block 73 will be pressed and the clamping block 73 will be displaced to release the limiting. When the insertion rod 71 is inserted, the clamping groove 702 on the insertion rod 71 will be aligned with the clamping block 73, and the compression spring 74 will push the clamping block 73 and the clamping groove 702 to be inserted, thereby limiting the insertion rod 71.

[0044] 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 high-precision fastener wire drawing device, comprising a support table (1), characterized in that: The upper surface of the support table (1) is fixedly connected with a support (2), the lower surface of the support (2) is provided with a pneumatic cylinder (3), the bottom end of the output shaft of the pneumatic cylinder (3) and the upper surface of the support table (1) are fixedly connected with a U-shaped plate (4), the inner surfaces of the two groups of U-shaped plates (4) are rotatably connected with a pressure roller (5), the top end of the support table (1) is provided with a lubricating assembly, and the top end of the support table (1) is provided with a cleaning assembly. The lubricating assembly comprises a guide plate one (61), the guide plate one (61) is fixedly connected to the upper surface of the support table (1), the upper surface of the support table (1) is fixedly connected with a guide plate two (62), the inner surfaces of the guide plate one (61) and the guide plate two (62) are rotatably connected with a roller shaft (63), and the outer wall of the roller shaft (63) is fixedly connected with a sponge pad (64).

2. The high-precision fastener wire drawing apparatus according to claim 1, wherein: The lubricating assembly further comprises a circular pipe (65), the circular pipe (65) penetrates through and is fixedly connected to the front surface of the guide plate one (61), the middle section of the circular pipe (65) is provided with a one-way valve (66), the inner wall of the guide plate one (61) is provided with a cavity (601), the inner wall of the guide plate one (61) is provided with a flow guide groove (602), and the inner wall of the guide plate one (61) is provided with an oil storage groove (603).

3. The high-precision fastener wire drawing apparatus according to claim 1, wherein: The cleaning assembly comprises a slot (701), the slot (701) is formed in the upper surface of the support table (1), the inner wall of the slot (701) is inserted with a plug rod (71), the upper surface of the plug rod (71) is fixedly connected with a cleaning ring (72), the bottom end of the front surface of the cleaning ring (72) is provided with a clamping groove (702), and the inner wall of the front side of the support table (1) is elastically connected with a clamping block (73) through a compression spring (74).

4. The high-precision fastener wire drawing apparatus according to claim 1, wherein: The upper surfaces of the guide plate one (61) and the guide plate two (62) are both provided with semicircular recesses, and the upper surface of the roller shaft (63) protrudes from the upper surface of the guide plate one (61).

5. The high-precision fastener wire drawing apparatus according to claim 2, wherein: The rear end of the circular pipe (65) is located in the cavity (601), the bottom end of the cavity (601) is provided as an inclined surface, and the rear end of the cavity (601) is communicated with the front end of the flow guide groove (602).

6. The high-precision fastener wire drawing apparatus according to claim 2, wherein: The flow guide groove (602) is provided in an inclined shape with the front end being higher than the rear end, the rear end of the flow guide groove (602) is communicated with the front end of the oil storage groove (603), and the bottom ends of the roller shaft (63) and the sponge pad (64) are located in the oil storage groove (603).

7. The high-precision fastener wire drawing apparatus according to claim 3, wherein: The inner surface of the cleaning ring (72) is fixedly connected with bristles, and the clamping block (73) is slidingly connected to the inner wall of the support table (1).

8. The high-precision fastener wire drawing apparatus according to claim 3, wherein: The rear surface of the clamping block (73) is provided as a curved surface, and the clamping block (73) is inserted into the inner wall of the clamping groove (702).

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