CN215198994U

CN215198994U - Cold drawing equipment

Info

Publication number: CN215198994U
Application number: CN202120562751.8U
Authority: CN
Inventors: 凌金榜; 秦备荒; 王刚纯; 苏锦潮
Original assignee: Guangdong Hailiang Copper Industry Co ltd; Zhejiang Hailiang Co Ltd
Current assignee: Guangdong Hailiang Copper Industry Co ltd; Zhejiang Hailiang Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-12-17
Anticipated expiration: 2031-03-18

Abstract

The utility model provides a cold drawing equipment, include: the feeding device, the head making device, the first drawing device and the second drawing device are connected in sequence; the first drawing device comprises a first rack, a first die seat, a first drawing trolley, a first pipe sawing mechanism, a material distributing mechanism, a first conveying mechanism and a second conveying mechanism; the second drawing device comprises a core bar inserting mechanism, a guide mechanism, a second rack, a second die seat, a second drawing trolley, a second pipe sawing mechanism and a third conveying mechanism. Compared with the prior art, the utility model discloses a cold drawing equipment can draw multiple tubular product, has improved the linkage of equipment, can the continuity of operation, has reduced manufacturing cost and turnover time, has improved production efficiency, has reduced the manual work.

Description

Cold drawing equipment

Technical Field

The utility model relates to a metal processing technology field, concretely relates to cold drawing equipment.

Background

In the nonferrous metal copper processing industry, a cold drawing machine pulls red copper hard state tubes or soft state tubes for multiple times, the tonnage can be in an empty drawing or a lining drawing, the tonnage is generally 5-10T, and the tonnage can be higher than the drawing tonnage according to the requirements of users. The power execution mostly adopts chain drawing traction, the cold drawing speed is generally below 60m/min, and the drawing length is drawn according to the requirements of customers. The existing cold drawing machine is used for single drawing production, when a plurality of machines are required to be matched for drawing, the material turnover brings the input of excessive operators, and the problems of low drawing production efficiency, high manufacturing cost and the like are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a cold drawing equipment.

An embodiment of the utility model provides a cold drawing equipment, include: the feeding device, the head making device, the first drawing device and the second drawing device are connected in sequence;

the first drawing device comprises a first rack, a first die seat arranged on the first rack and connected with the discharging device, a first drawing vehicle movably arranged on the first rack, a first pipe sawing mechanism arranged between the first die seat and the drawing end point position of the first drawing vehicle, a material distributing mechanism arranged on the first rack, a first conveying mechanism movably connected with the material distributing mechanism, a first material receiving frame connected with the first conveying mechanism, and a second conveying mechanism movably connected with the material distributing mechanism of the first pipe sawing mechanism, wherein the material distributing mechanism receives the pipes drawn by the first drawing vehicle and respectively conveys the pipes to the first conveying mechanism and the second conveying mechanism;

the second drawing device comprises a core rod inserting mechanism, a guide mechanism connected with the core rod inserting mechanism, a second rack, a second die seat arranged on the second rack and connected with the guide mechanism, a second drawing trolley movably arranged on the second rack, a second pipe sawing and cutting mechanism arranged between the second die seat and the drawing end position of the second drawing trolley, a third conveying mechanism arranged on the second rack and a second material collecting frame connected with the third conveying mechanism, wherein the guide mechanism is connected with the second conveying mechanism, and the third conveying mechanism receives a pipe drawn by the second drawing trolley.

Compared with the prior art, the utility model discloses a cold drawing equipment can draw multiple tubular product, has improved the linkage of equipment, can the continuity of operation, has reduced manufacturing cost and turnover time, has improved production efficiency, has reduced the manual work.

Further, the material distributing mechanism comprises a first lifting platform movably arranged on the first frame, a first material supporting seat rotatably connected with the first lifting platform, and a first power assembly driving the first lifting platform to lift and the first material supporting seat to rotate, and after the first lifting platform rises, the first material supporting seat supports the pipe drawn by the first drawing vehicle;

the first conveying mechanism and the second conveying mechanism are respectively positioned on two sides of the first material supporting seat, and the first material supporting seat is connected with the first conveying mechanism or the second conveying mechanism after rotating.

Furthermore, a plurality of first feeding grooves for placing the pipes are formed in the first conveying mechanism and the second conveying mechanism, and the first conveying mechanism and the second conveying mechanism drive the feeding grooves to move circularly.

Further, the first conveying mechanism and the second conveying mechanism respectively comprise a first conveying chain arranged on the first frame and a plurality of first feeding seats arranged on the first conveying chain, the first feeding grooves are formed in the first feeding seats, and the first feeding seats are movably connected with the material distributing mechanism.

The second drawing device further comprises a material supporting mechanism arranged on the second rack, the material supporting mechanism comprises a second lifting platform movably arranged on the second rack, a second material supporting seat rotatably connected with the second lifting platform, and a second power assembly driving the second lifting platform to lift and the second material supporting seat to rotate, and after the second lifting platform rises, the second material supporting seat supports the pipe drawn by the second drawing vehicle;

the third conveying mechanism is located on one side of the second material supporting seat, and the second material supporting seat is connected with the third conveying mechanism after rotating.

Furthermore, a plurality of second feeding grooves for placing the pipes are formed in the third conveying mechanism, and the third conveying mechanism drive the feeding grooves to move circularly.

Further, the third conveying mechanisms comprise second conveying chains arranged on the second rack and a plurality of second feeding seats arranged on the second conveying chains, the second feeding grooves are formed in the second feeding seats, and the second feeding seats are movably connected with the material supporting mechanisms.

Further, the first pipe sawing mechanism comprises a first sawing machine arranged on the first rack and located at the drawing end point of the first drawing trolley, a second sawing machine movably arranged on the first rack, and a first driving assembly driving the second sawing machine to move in the moving direction of the first drawing trolley.

Further, the second pipe sawing mechanism comprises a third sawing machine arranged on the second rack and located at the drawing end point of the second drawing trolley, a fourth sawing machine movably arranged on the second rack, and a second driving assembly driving the fourth sawing machine to move in the moving direction of the second drawing trolley.

Further, guiding mechanism includes the guide holder and sets up a plurality of V type running rollers on the guide holder.

In order to make the present invention more clearly understood, the following description will be made in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a cold drawing apparatus according to an embodiment of the present invention;

fig. 2 is a schematic top view of the first drawing device and the guiding mechanism according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of one side of a first pulling device according to an embodiment of the present invention;

fig. 4 is a schematic top view of a second drawing device according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a second pulling apparatus according to an embodiment of the present invention, showing one side of the second pulling apparatus when the guide mechanism and the core bar insertion mechanism are hidden;

fig. 6 is a schematic structural diagram of a guide mechanism according to an embodiment of the present invention.

Description of reference numerals:

10. a discharging device; 11. a material placing frame; 12. a straightening device; 13. a clamping and conveying pre-straightening device; 20. a head making device; 30. a first drawing device; 31. a first frame; 32. a first mold base; 33. a first drawing vehicle; 34. a first pipe sawing mechanism; 341. A first saw cutter; 342. a second saw cutter; 35. a material distributing mechanism; 351. a first elevating platform; 352. a first material supporting seat; 36. A first conveying mechanism; 361. a first conveying chain; 362. a first feeding base; 37. a first material receiving frame; 38. a second conveying mechanism; 39. a material guide plate; 40. a second drawing device; 41. a core bar insertion mechanism; 42. a guide mechanism; 421. a guide seat; 422. A V-shaped roller; 43. a second frame; 44. a second mold base; 45. a second drawing vehicle; 46. a second pipe sawing mechanism; 461. A third sawing machine; 462. a fourth saw cutting machine; 47. a third conveying mechanism; 471. a second conveyor chain; 472. a second feeding base; 48. a second material receiving frame; 49. a material supporting mechanism; 491. a second lifting table; 492. a second material supporting seat; 50. an oiling machine; 60. a transition conveying mechanism; 70. a pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, which is a schematic structural diagram of a cold drawing apparatus according to an embodiment of the present invention, the cold drawing apparatus includes: the discharging device 10, the head making device 20, the first drawing device 30 and the second drawing device 40 are connected in sequence.

Referring to fig. 2 and fig. 3, which are schematic top structural diagrams of a first drawing device and a guiding mechanism according to an embodiment of the present invention and a sectional view of one side of the first drawing device according to an embodiment of the present invention, respectively, the first drawing device 30 includes a first frame 31, a first die holder 32 disposed on the first frame 31 and connected to the dispensing device 10, a first drawing carriage 33 movably disposed on the first frame 31, a first pipe sawing mechanism 34 disposed between the first die holder 32 and a drawing end position of the first drawing carriage 33, a dividing mechanism 35 disposed on the first frame 31, a first conveying mechanism 36 movably connected to the dividing mechanism 35, a first receiving frame 37 connected to the first conveying mechanism 36, and a second conveying mechanism 38 movably connected to the dividing mechanism 35 and connected to the first pipe sawing mechanism 34, the material distributing mechanism 35 is configured to receive the tube 70 drawn by the first drawing cart 33, and respectively transport the tube 70 to the first transporting mechanism 36 and the second transporting mechanism 38.

Referring to fig. 4 and 5, which are a schematic top structure diagram of a second drawing device according to an embodiment of the present invention and a cross-sectional view of one side of the second drawing device when hiding a guide mechanism and a core bar insertion mechanism according to an embodiment of the present invention, respectively, the second drawing device 40 includes a core bar insertion mechanism 41, a guide mechanism 42 connected to the core bar insertion mechanism 41, a second frame 43, a second die holder 44 disposed on the second frame 43 and connected to the guide mechanism 42, a second drawing carriage 45 movably disposed on the second frame 43, a second pipe sawing and cutting mechanism 46 disposed between the second die holder 44 and a drawing end position of the second drawing carriage 45, a third conveying mechanism 47 disposed on the second frame 43, and a second material receiving frame 48 connected to the third conveying mechanism 47, the guiding mechanism 42 is connected to the second conveying mechanism 38, and the third conveying mechanism 47 is configured to receive the tube 70 drawn by the second drawing carriage 45.

When the equipment is operated, the tube 70 is discharged from the discharging device 10, passes through the head making device 20, passes through the first die seat 32, is clamped by the first drawing vehicle 33, and then is drawn, after the first drawing vehicle 33 finishes drawing, the first tube sawing mechanism 34 saws, the sawed tube 70 is delivered to the first conveying mechanism 36 or the second conveying mechanism 38 by the material distribution mechanism 35 according to different requirements, if the tube 70 needs to be further processed, for example, to produce a cross core tube, the separating mechanism 35 transports the tube 70 to the second conveying mechanism 38, the tube 70 reaches the guiding mechanism 42 under the transportation of the second conveying mechanism 38, at this time, the core rod inserting mechanism 41 inserts the core rod into the tube 70 on the guiding mechanism 42, the tube 70 is drawn by the second drawing carriage 45 after passing through the second die base 44, sawed by the second tube sawing mechanism 46, and then passed through the third conveying mechanism 47 to the second material receiving frame 48.

The first conveying mechanism 36, the second conveying mechanism 38, and the third conveying mechanism 47 may be subjected to a process such as burring or purging, and the first conveying mechanism 36 may be connected to the first material receiving frame 37 or may be connected to another processing process; the third conveyance mechanism 47 may be connected to the second material receiving frame 48, or may be connected to another processing step.

In some optional embodiments, the material distribution mechanism 35 includes a first lifting platform 351 movably disposed on the first frame 31, a first material supporting seat 352 rotatably connected to the first lifting platform 351, and a first power assembly for driving the first lifting platform 351 to lift and rotate the first material supporting seat 352, after the drawing of the first drawing cart 33 is completed, after the first lifting platform 351 is lifted, the first material supporting seat 352 supports the tube material 70 drawn by the first drawing cart 33, and then the first lifting platform 351 is lowered, and the first drawing cart 33 returns to the initial drawing position for the next drawing; the first conveying mechanism 36 and the second conveying mechanism 38 are respectively located at two sides of the first material supporting seat 352, and after the first lifting platform 351 is lowered to a proper position, the first material supporting seat 352 is turned over towards one side, so that the tube material 70 on the first material supporting seat 352 is moved to the first conveying mechanism 36 or the second conveying mechanism 38. Of course, the material separating mechanism 35 may be designed appropriately according to actual needs, for example, a rotatable guide plate is used to roll the tube 70 to the first conveying mechanism 36 or the second conveying mechanism 38 through the guide plate.

In some alternative embodiments, a plurality of first feed chutes for placing the tubes 70 are provided on each of the first conveying mechanism 36 and the second conveying mechanism 38.

In some optional embodiments, the first conveying mechanism 36 and the second conveying mechanism 38 each include a first conveying chain 471361 disposed on the first frame 31 and a plurality of first feeding seats 362 disposed on the first conveying chain 471361, the first feeding grooves are disposed on the first feeding seats 362, and the first feeding seats 362 are movably connected to the material distributing mechanism 35. In this embodiment, the first feeding chute has its notch facing upward when receiving the tube 70, and then the first conveying chain 471361 is conveyed obliquely upward so that the notch of the first feeding chute is inclined upward to prevent the tube 70 from rolling out, and when approaching the first receiving frame 37 or the guide mechanism 42, the notch of the first feeding chute moves around the conveying gear so that the notch of the first feeding chute faces downward to separate the tube 70 from the first feeding chute.

In some optional embodiments, the second drawing device 40 further includes a material supporting mechanism 49 disposed on the second machine frame 43, the material supporting mechanism 49 includes a second lifting platform 491 movably disposed on the second machine frame 43, a second material supporting base 492 rotatably connected to the second lifting platform 491, and a second power assembly for driving the second lifting platform 491 to lift and rotate, after the second pipe sawing mechanism 46 finishes sawing, the second lifting platform 491 is lifted, the second material supporting base 492 supports the pipe material 70 drawn by the second drawing vehicle 45, then the second lifting platform 491 is lowered, and the second drawing vehicle 45 returns to the initial drawing position for the next drawing; the third conveying mechanism 47 is located at one side of the second material supporting seat 492, and after the second lifting platform 491 descends to a proper position, the second material supporting seat 492 rotates the third conveying mechanism 47 to connect, so that the tube 70 on the second material supporting seat 492 is moved to the third conveying mechanism 47. It should be noted that other devices may be used to move the tube 70 onto the third conveyor 47, such as a guide plate to roll the tube 70 directly onto the third conveyor 47.

In some alternative embodiments, a plurality of second feeding troughs for placing the pipes 70 are provided on each of the third conveying mechanisms 47, and the second feeding troughs preferably only correspond to the placement of a single pipe 70.

In some alternative embodiments, the third conveying mechanisms 47 each include a second conveying chain 471 arranged on the second frame 43 and a plurality of second feeding seats 472 arranged on the second conveying chain 471, the second feeding grooves are arranged on the second feeding seats 472, and the second feeding seats 472 are movably connected to the material supporting mechanism 49. In this embodiment, the second chute has its slot facing upward when receiving the tube 70, and then the second conveyor chain is conveyed obliquely upward so that the slot of the second chute is inclined upward to prevent the tube 70 from rolling out, and when approaching the second receiving frame 48 or the guide mechanism 42, the slot of the second chute moves around the conveying gear so that the slot of the second chute faces downward to separate the tube 70 from the second chute.

It should be noted that the conveying structure can be designed appropriately according to actual needs, for example, the conveying belt can be directly adopted, or a plurality of feeding grooves are arranged on the conveying belt, and the conveying form of the feeding seat can also be designed according to actual needs, and not only can be realized by the conveying chain, but also can be realized by other conveying forms such as the matching of a guide rail and a slide block,

in some optional embodiments, material guiding plates 39 are disposed between the first material supporting seat 352 and the first conveying mechanism 36, between the first material supporting seat 352 and the second conveying mechanism 38, and between the second material supporting seat 492 and the third conveying mechanism 47, so as to prevent the first material supporting seat 352 and the second material supporting seat 492 from colliding with the conveying mechanism after rotating.

In some alternative embodiments, the first and second feed chutes are V-shaped, which makes the tube 70 more stable, especially when it is transported and received obliquely.

In some optional embodiments, the first pipe sawing mechanism 34 includes a first saw 341 disposed on the first frame 31 and located at the drawing end position of the first drawing carriage 33, a second saw 342 movably disposed on the first frame 31, and a first driving assembly for driving the second saw 342 to move in the moving direction of the first drawing carriage 33, so as to saw the pipe 70 with the required length.

In some optional embodiments, the second pipe sawing mechanism 46 includes a third sawing machine 461 disposed on the second frame 43 and located at the drawing end position of the second drawing carriage 45, a fourth sawing machine 462 movably disposed on the second frame 43, and a second driving assembly for driving the fourth sawing machine 462 to move in the moving direction of the second drawing carriage 45, so as to saw the pipe 70 with the required length.

Please refer to fig. 6, which is a schematic structural diagram of a guiding mechanism according to an embodiment of the present invention. In some alternative embodiments, the guide mechanism 42 includes a guide seat 421 and a plurality of V-shaped rollers 422 disposed on the guide seat 421, and the V-shaped rollers 422 facilitate centering when inserting the core rod, and facilitate insertion of the core rod. Preferably, the core bar inserting machine further comprises an oil injecting machine 50, oil is injected into the pipe 70 when the core bar needs to be inserted, and the automatic operation of oil injection and core bar insertion is achieved.

In some alternative embodiments, the discharge device 10 comprises a discharge frame 11, a straightening device 12 and a pinch pre-straightening device 13 connected in sequence, and the pinch pre-straightening device 13 is connected with the first die base 32. In the present embodiment, a transition conveying mechanism 60 is further provided between the pinch pre-straightener 13 and the first die holder 32.

It should be noted that the first die holder 32 and the second die holder 44 are preferably spherical die holders, and the die cavity can be adjusted to control the uniformity of the wall thickness of the straight tube during drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cold drawing apparatus, comprising: the feeding device, the head making device, the first drawing device and the second drawing device are connected in sequence;

2. A cold drawing apparatus according to claim 1, wherein: the material distribution mechanism comprises a first lifting platform movably arranged on the first frame, a first material supporting seat rotatably connected with the first lifting platform, and a first power assembly driving the first lifting platform to lift and the first material supporting seat to rotate, and after the first lifting platform rises, the first material supporting seat supports the pipe drawn by the first drawing vehicle;

3. A cold drawing apparatus according to any one of claims 1 or 2, wherein: and the first conveying mechanism and the second conveying mechanism are respectively provided with a plurality of first feeding grooves for placing pipes.

4. A cold drawing apparatus according to claim 3, wherein: the first conveying mechanism and the second conveying mechanism respectively comprise a first conveying chain arranged on the first frame and a plurality of first feeding seats arranged on the first conveying chain, the first feeding grooves are formed in the first feeding seats, and the first feeding seats are movably connected with the material distributing mechanism.

5. A cold drawing apparatus according to claim 1, wherein: the second drawing device further comprises a material supporting mechanism arranged on the second rack, the material supporting mechanism comprises a second lifting table movably arranged on the second rack, a second material supporting seat rotatably connected with the second lifting table and a second power assembly driving the second lifting table to lift and the second material supporting seat to rotate, and after the second lifting table rises, the second material supporting seat supports the pipe drawn by the second drawing vehicle;

6. A cold drawing apparatus according to claim 5, wherein: and the third conveying mechanism is provided with a plurality of second feeding grooves for placing the pipes.

7. A cold drawing apparatus according to claim 6, wherein: the third conveying mechanism comprises a second conveying chain arranged on the second rack and a plurality of second feeding seats arranged on the second conveying chain, the second feeding grooves are formed in the second feeding seats, and the second feeding seats are movably connected with the material supporting mechanism.

8. A cold drawing apparatus according to any one of claims 1, 2, 4, 5 or 7, wherein: the first pipe sawing mechanism comprises a first sawing machine, a second sawing machine and a first driving assembly, wherein the first sawing machine is arranged on the first rack and is positioned at the drawing end point of the first drawing trolley, the second sawing machine is movably arranged on the first rack, and the first driving assembly drives the second sawing machine to move in the moving direction of the first drawing trolley.

9. A cold drawing apparatus according to any one of claims 1, 2, 4, 5 or 7, wherein: the second pipe sawing mechanism comprises a third sawing machine, a fourth sawing machine and a second driving assembly, wherein the third sawing machine is arranged on the second rack and is positioned at the drawing end point of the second drawing trolley, the fourth sawing machine is movably arranged on the second rack, and the second driving assembly drives the fourth sawing machine to move in the moving direction of the second drawing trolley.

10. A cold drawing apparatus according to any one of claims 1, 2, 4, 5 or 7, wherein: the guide mechanism comprises a guide seat and a plurality of V-shaped rollers arranged on the guide seat.