阅读说明：本技术 一种用于铜棒的拉丝机构 (Wire drawing mechanism for copper bar ) 是由 陈中伟 黄鹏 于 2020-03-30 设计创作，主要内容包括：本发明公开了一种用于铜棒的拉丝机构,包括依次并列设置的送料单元、润滑单元、拉丝模和拔料单元；所述送料单元包括送料槽、送料块、送料气缸、送料架和承料块,所述送料槽倾斜设置在送料架的一侧,送料块置于送料槽和送料架之间,且送料块的一端滑动连接在送料架上,送料气缸的气缸轴与送料块固定连接,承料块固定连接在送料架的顶端,顶料气缸设于承料块的一侧。本发明结构简单,便于实现生产自动化,设置润滑单元,提高拉丝效率,批量上料,工作效率高。(The invention discloses a wire drawing mechanism for a copper bar, which comprises a feeding unit, a lubricating unit, a wire drawing die and a material drawing unit which are sequentially arranged in parallel; the feeding unit comprises a feeding groove, a feeding block, a feeding cylinder, a feeding frame and a material bearing block, wherein the feeding groove is obliquely arranged on one side of the feeding frame, the feeding block is arranged between the feeding groove and the feeding frame, one end of the feeding block is connected to the feeding frame in a sliding mode, a cylinder shaft of the feeding cylinder is fixedly connected with the feeding block, the material bearing block is fixedly connected to the top end of the feeding frame, and the material ejecting cylinder is arranged on one side of the material bearing block. The wire drawing machine is simple in structure, convenient for realizing production automation, high in wire drawing efficiency due to the fact that the lubricating unit is arranged, capable of feeding in batches and high in working efficiency.)

1. The utility model provides a wire drawing mechanism for bar copper which characterized in that: comprises a feeding unit (1), a lubricating unit (2), a wire drawing die (3) and a material drawing unit (4) which are arranged in parallel in sequence;

the feeding unit (1) comprises a feeding groove (12), a feeding block (13), a feeding cylinder (14), a feeding frame (15), a material bearing block (16) and a material ejecting cylinder (17), wherein the feeding groove (12) is obliquely arranged on one side of the feeding frame (15), the feeding block (13) is arranged between the feeding groove (12) and the feeding frame (15), one end of the feeding block (13) is connected onto the feeding frame (15) in a sliding manner, a cylinder shaft of the feeding cylinder (14) is fixedly connected with the feeding block (13), the material bearing block (16) is fixedly connected to the top end of the feeding frame (15), and the material ejecting cylinder (17) is arranged on one side of the material bearing block (16);

the feeding block (13) comprises a sliding block part (131) and a feeding part (132), the sliding block part (131) is connected to the feeding frame (15) in a sliding mode, the feeding part (132) is fixedly connected to the top end of the sliding block part (131), the upper end face of the sliding block part (131) is of an inclined plane structure, and the inclined plane is inclined downwards from the feeding groove (12) towards the direction of the feeding frame (15);

the top end of the feeding frame (15) is provided with a right-angle plate (18), the horizontal edge of the right-angle plate (18) is fixedly connected with the top end face of the feeding frame (15), and when the feeding cylinder (14) drives the feeding block (13) to slide up and down, the feeding part (132) moves along the vertical edge of the right-angle plate (18);

the material bearing block (16) is fixed at the right-angle corner of the right-angle plate (18), a V-shaped positioning groove (161) is formed in the top end face of the material bearing block (16), and a cylinder shaft of the material ejecting cylinder (17) is arranged along the length direction of the V-shaped positioning groove (161);

the lubricating unit (2) comprises an oil tank (21), an oil collecting tank (22), a feeding guide cover (23), a discharging guide cover (24), extruding blocks (25) and sponge (26), wherein a feeding hole and a discharging hole are formed in the oil tank (21), the feeding guide cover (23) and the discharging guide cover (24) are fixedly connected to the positions of the feeding hole and the discharging hole of the oil tank (21) respectively, the four extruding blocks (25) are elastically supported in the oil tank (21), a circular feeding cavity (200) is defined between the four extruding blocks (25), the feeding cavity (200) is correspondingly communicated with the feeding guide cover and the discharging guide cover, the oil collecting tank (22) is fixedly connected to the bottom end of the oil tank (21), and the outer end surface of the feeding guide cover (23) and the outer end surface of the discharging guide cover (24) are both located on the inner side of the wall of the oil collecting tank (22);

pull out material unit (4) and include pneumatic cylinder (41), fixed block (42), arm lock (43), actuating lever (44), driving block (45), clamp splice (46) and power unit, pneumatic cylinder (41) and fixed block (42) equal fixed mounting are at power unit's free end, and the output shaft of pneumatic cylinder (41) pass fixed block (42) and with driving block (45) fixed connection, two arm lock (43) symmetry articulate on fixed block (42), the one end correspondence of two actuating levers (44) articulates on two arm lock (43), the other end of two actuating levers (44) all articulates on driving block (45), two clamp splice (46) correspond the end that articulates in two arm lock (43).

2. The wire drawing mechanism for copper bars as claimed in claim 1, wherein: the feeding groove (12) comprises an upper limiting plate (121) and a lower supporting plate (122), the upper limiting plate (121) and the lower supporting plate (122) are vertically layered and arranged in parallel, and the feeding groove (12) is formed between the upper limiting plate (121) and the lower supporting plate (122).

3. The wire drawing mechanism for copper bars as claimed in claim 1, wherein: the extrusion block (25) comprises arc sheets (251), fan-shaped blocks (252) and guide sheets (253), the fan-shaped blocks (252) are fixedly connected to the outer wall of the arc sheets (251), the guide sheets (253) are fixedly connected to the tail ends of the arc sheets (251), the guide sheets (253) on the four extrusion blocks (25) enclose a horn-shaped material guide opening, and a plurality of oil leakage holes are formed in the guide sheets (253).

4. A wire drawing mechanism for a copper rod as claimed in claim 3, wherein: be equipped with four elastic support unit on the inner wall of oil tank (21), the free end and a fan-shaped piece (252) fixed connection of every supporting element, the supporting element includes guide sleeve (211), spring (212), guide bar (213) and stop nut (214), guide sleeve (211) are fixed on the inner wall of oil tank (21), the bottom and fan-shaped piece (252) threaded connection of guide bar (213), stop nut (214) threaded connection is on the top of guide bar (213), in guide sleeve (211) was located in spring (212), and the one end of spring is contradicted on the inner wall of oil tank (21), the other end cover is established at the end of guide bar (213) and is contradicted on stop nut (214).

5. The wire drawing mechanism for copper rods according to claim 4, characterized in that: the inner wall of the guide sleeve (211) is provided with a limiting bulge, and the spring (212) is sleeved on the limiting bulge.

6. A wire drawing mechanism for a copper rod as claimed in claim 3, wherein: the feeding and guiding cover (23) and the discharging and guiding cover (24) are of horn-shaped structures with cone openings and cylinder parts, the cone opening part of the feeding and guiding cover (23) is arranged on the outer side of the oil tank (21), the cylinder part of the feeding and guiding cover (23) and the cone opening part of the guiding cover (24) are respectively arranged on two sides of the extrusion block (25), and the cylinder part of the feeding and guiding cover (23) is positioned on one side of the guide sheet (253); a plurality of oil leakage holes are arranged on the cylindrical part of the feeding and guiding cover (23).

7. The wire drawing mechanism for copper bars as claimed in claim 1, wherein: the clamping block (46) is of a rectangular block structure, and conical teeth (461) are arranged on the clamping surface of the clamping block (46).

8. The wire drawing mechanism for copper bars as claimed in claim 1, wherein: the power unit in the material pulling unit (4) is a chain and sprocket transmission mechanism, a fixing plate (400) is arranged on a chain, and the hydraulic cylinder (41) and the fixing block (42) are both fixedly installed on the fixing plate (400).

9. The wire drawing mechanism for copper bars as claimed in claim 1, wherein: the power unit in the material pulling unit (4) is of an electric sliding block structure, and the hydraulic cylinder (41) and the fixed block (42) are both fixedly installed at the free end of the electric sliding block.

The technical field is as follows:

the invention relates to a wire drawing mechanism for a copper rod.

Background art:

current bar copper wire drawing generally is single dry material loading, and the manual work is sent into wire drawing die orifice department with the bar copper, then pushes through cylinder or pneumatic cylinder, and is inefficient, is unfavorable for realizing the automation of production.

The invention content is as follows:

the invention provides a wire drawing mechanism for a copper rod, which aims to solve the problems in the prior art.

The technical scheme adopted by the invention is as follows:

a wire drawing mechanism for a copper bar comprises a feeding unit, a lubricating unit, a wire drawing die and a material drawing unit which are sequentially arranged in parallel;

the feeding unit comprises a feeding groove, a feeding block, a feeding cylinder, a feeding frame and a material bearing block, wherein the feeding groove is obliquely arranged on one side of the feeding frame;

the lubricating unit comprises an oil tank, an oil collecting tank, a feeding guide cover, a discharging guide cover, extruding blocks and sponge, wherein a feeding hole and a discharging hole are formed in the oil tank;

the material pulling unit comprises a hydraulic cylinder, a fixed block, clamping arms, driving rods, driving blocks, clamping blocks and a power unit, wherein the hydraulic cylinder and the fixed block are fixedly arranged at the free end of the power unit, an output shaft of the hydraulic cylinder penetrates through the fixed block and is fixedly connected with the driving blocks, the two clamping arms are symmetrically hinged to the fixed block, one ends of the two driving rods are correspondingly hinged to the two clamping arms, the other ends of the two driving rods are hinged to the driving blocks, and the two clamping blocks are correspondingly hinged to the tail ends of the two clamping arms.

Further, the feeding block comprises a sliding block portion and a feeding portion, the sliding block portion is connected to the feeding frame in a sliding mode, the feeding portion is fixedly connected to the top end of the sliding block portion, the upper end face of the sliding block portion is of an inclined face structure, and the inclined face inclines downwards from the feeding groove to the direction of the feeding frame.

Furthermore, a right-angle plate is arranged at the top end of the feeding frame, the horizontal edge of the right-angle plate is fixedly connected with the top end face of the feeding frame, and when the feeding cylinder drives the feeding block to slide up and down, the feeding part moves along the vertical edge of the right-angle plate.

Furthermore, the material bearing block is fixed at the right-angle corner of the right-angle plate, a V-shaped positioning groove is formed in the top end face of the material bearing block, and a cylinder shaft of the material ejecting cylinder is arranged along the length direction of the V-shaped positioning groove.

Further, the chute feeder comprises an upper limiting plate and a lower supporting plate, the upper limiting plate and the lower supporting plate are arranged in a vertically layered and parallel mode, and the chute feeder is formed between the upper limiting plate and the lower supporting plate.

Furthermore, the extrusion piece includes circular arc piece, sector and guide vane, sector fixed connection is on the outer wall of circular arc piece, and guide vane fixed connection is at the end of circular arc piece, and the guide vane on four extrusion pieces encloses into the guide opening of a loudspeaker form, is equipped with a plurality of oil leak holes on the guide vane.

Further, be equipped with four elastic support unit on the inner wall of oil tank, the free end and a sectorial block fixed connection of every supporting element, the supporting element includes guide sleeve, spring, guide bar and stop nut, and guide sleeve fixes on the inner wall of oil tank, the bottom and the sectorial block threaded connection of guide bar, and stop nut threaded connection is on the top of guide bar, and in the guide sleeve was located to the spring, and the one end of spring was contradicted on the inner wall of oil tank, and another pot head was established at the end of guide bar and is contradicted on stop nut.

Furthermore, the feeding and guiding cover and the discharging and guiding cover are of horn-shaped structures with cone openings and cylinder portions, the cone openings of the feeding and guiding cover are arranged on the outer side of the oil tank, the cylinder portions of the feeding and guiding cover and the cone openings of the guiding cover are respectively arranged on two sides of the extrusion block, and the cylinder portions of the feeding and guiding cover are positioned on one side of the guide sheet; a plurality of oil leakage holes are arranged on the cylindrical part of the feeding and guiding cover.

Furthermore, be equipped with spacing arch on guide sleeve's inner wall, the spring housing is established on spacing arch, and spacing arch can guarantee the stability of spring flexible in-process.

Furthermore, the rectangular block structure of the clamping block is provided with bevel teeth on the clamping surface of the clamping block for ensuring the clamping force of the clamping block.

Furthermore, the power unit in the material pulling unit is a chain and sprocket transmission mechanism, a fixing plate is arranged on the chain, and the hydraulic cylinder and the fixing block are both fixedly installed on the fixing plate.

Furthermore, the power unit in the material pulling unit is of an electric sliding block structure, and the hydraulic cylinder and the fixed block are both fixedly installed at the free end of the electric sliding block.

The invention has the following beneficial effects:

the wire drawing machine is simple in structure, convenient for realizing production automation, high in wire drawing efficiency due to the fact that the lubricating unit is arranged, capable of feeding in batches and high in working efficiency.

Description of the drawings:

FIG. 1 is a block diagram of the present invention.

Fig. 2 and 3 are structural views of a feeding unit in the present invention.

Fig. 4 is a structural view of a lubricating unit in the present invention.

FIG. 5 is a view showing the arrangement of the extrusion blocks in the present invention.

Fig. 6 is a structural view of the elastic support unit according to the present invention.

FIG. 7 is a structural view of the drawing unit of the present invention.

Fig. 8 is a block diagram of a power unit of the present invention.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 8, the wire drawing mechanism for the copper rod comprises a feeding unit 1, a lubricating unit 2, a wire drawing die 3 and a material drawing unit 4 which are sequentially arranged in parallel.

The feeding unit 1 comprises a feeding groove 12, a feeding block 13, a feeding cylinder 14, a feeding frame 15, a material bearing block 16 and a material ejecting cylinder 17, wherein the feeding groove 12 is obliquely arranged on one side of the feeding frame 15, the feeding block 13 is arranged between the feeding groove 12 and the feeding frame 15, one end of the feeding block 13 is slidably connected onto the feeding frame 15, a cylinder shaft of the feeding cylinder 14 is fixedly connected with the feeding block 13, and the material bearing block 16 is fixedly connected to the top end of the feeding frame 15; the material ejecting cylinder 17 is arranged on one side of the material bearing block 16.

When the feeding unit 1 works, a copper rod is placed in the feeding groove 12 and rolls downwards, the copper rod at the bottommost end rolls onto the feeding block 13, the feeding air cylinder 14 drives the feeding block 13 to ascend, the copper rod at the bottommost end is fed onto the material bearing block 16, then the air cylinder shaft of the material ejecting air cylinder 17 extends out, and the copper rod on the material bearing block 16 is pushed into the wire drawing die 3.

The feeding block 13 of the present invention comprises a slider portion 131 and a feeding portion 132, wherein the slider portion 131 is vertically slidably connected to the feeding frame 15, and the feeding portion 132 is fixedly connected to the top end of the slider portion 131.

The upper end surface of the slider portion 131 is an inclined surface structure, and the inclined surface is inclined downward from the feeding chute 12 toward the feeding frame 15. The sloping configuration of the top end of the slider portion 131 facilitates better rolling of the copper bar onto the carrier block 16. And the inclined plane inclines downwards, so that the copper bar at the bottommost end in the feeding groove 12 can be conveniently ejected out.

The right-angle plate 18 is arranged at the top end of the feeding frame 15, the horizontal edge of the right-angle plate 18 is fixedly connected with the top end face of the feeding frame 15, and when the feeding cylinder 14 drives the feeding block 13 to slide up and down, the feeding part 132 moves along the vertical edge of the right-angle plate 18. The feeding part 132 slides against the right-angle plate 18, so that the stability of the copper bar is ensured when the copper bar is ejected.

The material bearing block 16 is fixed at the right-angle corner of the right-angle plate 18, and a V-shaped positioning groove 161 is arranged on the top end surface of the material bearing block 16. The V-shaped positioning groove 161 has a limiting function, and when the copper bar on the material bearing block 16 is ejected out by the material ejecting cylinder 17, the position of the copper bar can be prevented from being deviated by the V-shaped positioning groove 161. The cylinder axis of the topping cylinder 17 is arranged along the length direction of the V-shaped positioning groove 161.

The feeding chute 12 comprises an upper limiting plate 121 and a lower supporting plate 122, the upper limiting plate 121 and the lower supporting plate 122 are vertically layered and arranged in parallel, the outer side end faces of the upper limiting plate 121 and the lower supporting plate 122 are fixedly connected with each other, the upper limiting plate 121 and the lower supporting plate 122 are mutually fixed, and a feeding chute is formed between the upper limiting plate 121 and the lower supporting plate 122.

The feeding unit 1 collects feeding and pushing materials, the automation degree is high, the working efficiency can be improved, the structure motion is stable, and the using effect is good.

The lubricating unit 2 comprises an oil tank 21, an oil collecting tank 22, a feeding guide cover 23, a discharging guide cover 24, an extrusion block 25 and sponge 26, wherein a feeding hole and a discharging hole are formed in the oil tank 21, and the feeding guide cover 23 and the discharging guide cover 24 are fixedly connected to the feeding hole and the discharging hole of the oil tank 21 respectively.

The four extrusion blocks 25 are elastically supported in the oil tank 21 at certain intervals, a circular feeding cavity 200 is defined by the four extrusion blocks 25, and the feeding cavity 200 is coaxially arranged and communicated with the feeding and discharging material guide covers correspondingly.

The oil collecting tank 22 is fixedly connected to the bottom end of the oil tank 21, and the outer end surface of the feeding guide cover 23 and the outer end surface of the discharging guide cover 24 are both located on the inner side of the tank wall of the oil collecting tank 22.

When the lubricating unit 2 is used, lubricating oil is injected into the oil filling hole on the oil tank 21, the lubricating oil soaks the sponge 26, so that the copper rod is inserted into the oil tank 21 along the feeding guide cover 23, sequentially passes through the feeding cavity 200 and is led out of the oil tank 21 through the discharging guide cover 24. When the extrusion blocks 25 are arranged, the diameter of the feeding cavity 200 is smaller than that of the copper rod, and the minimum diameters of the feeding guide cover 23 and the discharging guide cover 24 are both larger than that of the copper rod. When the copper rod is inserted into the feeding cavity 200, the four extrusion blocks 25 are extruded and are outwards expanded, and the extrusion blocks 25 compress the sponge, so that the copper rod can be fully lubricated by lubricating oil. When the copper rod penetrates through the oil tank 21 to extrude the sponge, part of lubricating oil is extruded out of the outer ports of the feeding material guide cover 23 and the discharging material guide cover 24, and the lubricating oil can be recovered through the oil collecting tank 22.

Be equipped with the filter screen in the inner chamber of oil trap 22, be equipped with the oil outlet on the outer wall of oil trap 22, the oil outlet is located the below of filter screen, and oil trap 22 passes through buckle connected mode or bolted connection mode detachably and fixes the below at oil tank 21, and when fluid in the oil trap accumulated to a certain extent, can pour the fluid of oil trap into oil tank 21 and carry out recycle. The provision of the oil sump 22 avoids waste of oil.

The extrusion blocks 25 comprise circular arc sheets 251, fan-shaped blocks 252 and guide sheets 253, the fan-shaped blocks 252 are fixedly connected to the outer walls of the circular arc sheets 251, the guide sheets 253 are fixedly connected to the tail ends of the circular arc sheets 251, the guide sheets 253 on the four extrusion blocks 25 form a horn-shaped material guide opening in a surrounding mode, and a plurality of oil leakage holes are formed in the guide sheets 253.

The guide opening at the tail end of the extrusion block 25 can facilitate the copper rod to enter the feeding cavity 200, when the copper rod extrudes sponge through the extrusion block 25, one part of lubricating oil enters the copper rod from the oil leakage hole, and the other part of lubricating oil enters the copper rod from the gap between the two adjacent circular arc sheets 251.

In order to realize the elastic support of the extrusion block 25 in the oil tank 21, four elastic support units are arranged on the inner wall of the oil tank 21, and the free end of each support unit is fixedly connected with one fan-shaped block 252.

The supporting unit comprises a guide sleeve 211, a spring 212, a guide rod 213 and a limit nut 214, wherein the guide sleeve 211 is fixed on the inner wall of the oil tank 21, the bottom end of the guide rod 213 is in threaded connection with the segment 252, the limit nut 214 is in threaded connection with the top end of the guide rod 213, the limit nut 214 is arranged in the guide sleeve 211, the spring 212 is arranged in the guide sleeve 211, one end of the spring abuts against the inner wall of the oil tank 21, and the other end of the spring is sleeved at the tail end of the guide rod 213 and abuts against the limit nut 214.

The inner wall of the guide sleeve 211 is provided with a limiting protrusion, the spring 212 is sleeved on the limiting protrusion, and the limiting protrusion can ensure the stability of the spring 212 in the stretching process.

When the supporting unit moves telescopically, the limiting nut 214 is always in the guide sleeve 211, so that the stability of the movement is ensured.

The feeding and guiding cover 23 and the discharging and guiding cover 24 are both horn-shaped structures with a cone opening part and a cylinder part, the cone opening part of the feeding and guiding cover 23 is arranged at the outer side of the oil tank 21, the cylinder part of the feeding and guiding cover 23 and the cone opening part of the guiding cover 24 are respectively arranged at two sides of the extrusion block 25, and the cylinder part of the feeding and guiding cover 23 is arranged at one side of the guide sheet 253. A plurality of oil leakage holes are arranged on the cylindrical part of the feeding and guiding cover 23.

The pay-off guide cover 23 and the ejection of compact guide cover 24 of horn structure guarantee the stationarity of bar copper when inserting the lubricated in the oil tank 21, guarantee the accurate insertion of bar copper, avoid the bar copper motion to appear interfering.

The material pulling unit 4 comprises a hydraulic cylinder 41, a fixed block 42, clamping arms 43, driving rods 44, driving blocks 45, clamping blocks 46 and a power unit, wherein the hydraulic cylinder 41 and the fixed block 42 are fixedly arranged at the free end of the power unit, an output shaft of the hydraulic cylinder 41 penetrates through the fixed block 42 and is fixedly connected with the driving blocks 45, the two clamping arms 43 are symmetrically hinged on the fixed block 42, one ends of the two driving rods 44 are correspondingly hinged on the two clamping arms 43, the other ends of the two driving rods 44 are respectively hinged on the driving blocks 45, and the two clamping blocks 46 are correspondingly hinged at the tail ends of the two clamping arms 43.

When the copper bar is pushed into the space between the two clamping blocks 46, the hydraulic cylinder 41 drives the two clamping blocks 46 to move oppositely and clamp the copper bar, and then the power unit acts and moves rightwards to finish the wire drawing process of the copper bar. After the copper bar is drawn, the hydraulic cylinder 41 drives the two clamping blocks 46 to move backwards and release the copper bar, the copper bar is separated from the clamping blocks 46 due to self weight, then the power unit moves leftwards and returns, and the next operation is carried out after the next copper bar is clamped between the two clamping blocks again.

The clamping block 46 has a rectangular block structure, and in order to ensure the clamping force of the clamping block 46, a conical tooth 461 is provided on the clamping surface of the clamping block 46.

The power unit in the material pulling unit 4 has two structural forms, one is a chain and sprocket transmission mechanism, and when the structure is adopted, the parts are installed as follows: the chain is provided with a fixing plate 400, and the hydraulic cylinder 41 and the fixing block 42 are both fixedly mounted on the fixing plate 400.

The other structure is as follows: the power unit in the material pulling unit 4 is an electric slider structure, and when the structure is adopted, the component installation is as follows: the hydraulic cylinder 41 and the fixed block 42 are both fixedly mounted at the free end of the electric slider.

The copper bar to be drawn is placed in the feeding unit 1, the copper bar is pushed into the wire drawing die 3 by the feeding unit 1, lubrication is carried out by the lubricating unit 2 before the copper bar is pushed into the wire drawing die 3, the wire drawing die 3 can conveniently carry out wire drawing operation after the lubrication, the copper bar enters and is pushed until the copper bar enters between two clamping blocks in the material drawing unit 4, the feeding unit 1 stops pushing the copper bar, and the material drawing unit 4 clamps the copper bar and moves away from the wire drawing die 3, so that the wire drawing operation of the copper bar is realized. After one copper rod is drawn, the material pulling unit 4 returns to the initial position, and in the process that the material pulling unit 4 returns to the initial position, the feeding unit 1 simultaneously carries out the feeding and pushing step of the next copper rod.

The structure of the wire-drawing die 3 is the same as that of the wire-drawing die in the prior art, so the detailed structure of the wire-drawing die is not repeated in the invention.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.