CN110860568A

CN110860568A - Drawing machine is used in production of accurate screw

Info

Publication number: CN110860568A
Application number: CN201910996665.5A
Authority: CN
Inventors: 汤继勇
Original assignee: Jiangsu Bofanke Precision Hardware Technology Co Ltd
Current assignee: Jiangsu Bofanke Precision Hardware Technology Co Ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-03-06

Abstract

The invention discloses a wire drawing machine for producing precise screws, which comprises a reciprocating mechanism, a wire drawing mechanism and a wire conveying mechanism, wherein the reciprocating mechanism is internally provided with the wire drawing mechanism, the wire conveying mechanism is internally provided with the wire conveying mechanism, the reciprocating mechanism comprises a bottom plate, a top plate, a support rod, a transverse sliding chute, a first motor, a fixed rod, a connecting pin, a movable rod and a rotating sleeve, the top plate is arranged above the bottom plate, four support rods are fixedly connected between the bottom plate and the top plate, the transverse sliding chute is arranged in the top plate, the first motor is fixed on the lower side of the top plate through screws, and the output end of the first motor penetrates through the top plate to be fixedly connected with the fixed rod. The driving wheel can compress the wire rod, and the phenomena of slipping of the traction wheel and the like can be effectively avoided.

Description

Drawing machine is used in production of accurate screw

Technical Field

The invention relates to a wire drawing machine, in particular to a wire drawing machine for producing precise screws, and belongs to the technical field of screw machining.

Background

The wire rod for screw production needs to be pickled before wire drawing, an oxide film on the surface of the wire rod can be removed to form a phosphate film, the damage of the wire rod roughness and impurities to a die is reduced as much as possible, after the wire rod is pickled, the wire rod needs to be cold drawn to a required radius by a wire drawing machine, then the wire rod can be cut, and a wire column is made into a nail blank.

Present wire rod wire drawing machine for screw production adopts the mode of traction wheel transmission to defeated the line more, and for guaranteeing the accuracy of shearing length, the traction wheel speed of wire rod shearing is all comparatively slow, and during the terminal of intercepting longer length, the output efficiency of wire rod is low for the machining efficiency of wire drawing machine is low.

Disclosure of Invention

The invention aims to solve the problems, and provides a wire drawing machine for precision screw production, which solves the problems that when the conventional wire drawing machine for screw production mostly adopts a traction wheel transmission mode to carry out wire conveying and cuts a long wire column, the output efficiency of a wire is low, and the processing efficiency of the wire drawing machine is low.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention discloses a wire drawing machine for producing precise screws, which comprises a reciprocating mechanism, a wire drawing mechanism and a wire conveying mechanism, wherein the reciprocating mechanism is internally provided with the wire drawing mechanism, and the wire conveying mechanism is internally provided with the wire conveying mechanism.

As preferred, reciprocating mechanism includes bottom plate, roof, vaulting pole, horizontal spout, a motor, dead lever, connecting pin, movable rod and commentaries on classics cover, the top of bottom plate is equipped with the roof, four vaulting poles of fixedly connected with between bottom plate and the roof, horizontal spout has been seted up in the roof, the downside screw fixation of roof has a motor, the output of a motor passes roof fixedly connected with dead lever, the dead lever rotates through the connecting pin and is connected with the movable rod, the one end fixedly connected with commentaries on classics cover that the connecting pin was kept away from to the movable rod.

As preferred, it includes mount, a section of thick bamboo of taking out the line, montant, limiting plate, movable frame body, extension board, a section of thick bamboo of taking over the line and vertical spout to take out the line mechanism, the upside at the roof is fixed to the mount screw fixation, the fixed section of thick bamboo of taking out of inlaying in the middle part of mount, the montant inlays to be established in horizontal spout, the montant outside and the upper and lower both sides that are located the roof are all fixed the cover and are equipped with the limiting plate, the top fixedly connected with movable frame body of montant, one side of movable frame body is equipped with a section of thick bamboo of taking over the line, through two extension board fixed connection between movable frame body and the.

Preferably, the thread conveying mechanism comprises an air cylinder, a chuck, a first rotating rod, a driven wheel, a driving wheel, a thread groove, a rack, a second motor, a second rotating rod and a sliding plate, the cylinder screw is fixed on the upper side of the movable frame body, the output end of the cylinder penetrates through the movable frame body and is fixedly connected with a chuck, a second rotating rod is arranged in the chuck, one side of the chuck is fixedly connected with a sliding plate, one end of the sliding plate passes through the vertical sliding chute and is fixedly connected with a frame, a second motor is arranged on the frame, an output shaft of the second motor passes through the frame and the sliding plate to be fixedly connected with a second rotating rod, a driving wheel is fixedly sleeved on the outer side of the middle part of the second rotating rod, a first rotating rod is arranged below the driving wheel and in the movable frame body, the fixed cover in the middle part outside of bull stick is equipped with from the driving wheel, the wire casing has all been seted up to the action wheel and from the driving wheel outside.

Preferably, the rotating sleeve is rotatably sleeved on the outer side of the vertical rod, and the inner wall of the transverse sliding groove is in sliding connection with the vertical rod.

Preferably, a tapered groove is formed in the end face of one side of the wire drawing cylinder, and the wire drawing cylinder and the wire lapping cylinder are located on the same straight line.

Preferably, the sliding plate is connected with the inner wall of the vertical sliding groove in a sliding mode, and the driving wheel is located right above the driven wheel.

Preferably, two ends of the first rotating rod are respectively and rotatably connected with two opposite inner walls of the movable frame body through bearings, and two ends of the second rotating rod are rotatably connected with the inner walls of the chucks through bearings.

The invention achieves the following beneficial effects: the wire drawing machine for producing the precise screws has the characteristics of reasonable structural design and high machining efficiency, when in use, the wire drawing is carried out by adopting a mode of combining the reciprocating mechanism and the wire conveying mechanism, the wire conveying efficiency is greatly improved, meanwhile, the arrangement of the air cylinder enables the driving wheel to compress the wires, the phenomena of slipping of the traction wheel and the like can be effectively avoided, compared with the traditional wire drawing machine structure, the wire drawing machine can realize equidistant feeding operation of the wires, is convenient for cutting wire columns, and has higher adjustable degree.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a side sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the movable frame of the present invention;

FIG. 4 is a schematic structural view of the chuck of the present invention;

fig. 5 is a structural section view of the thread drawing cylinder of the invention.

In the figure: 1. a reciprocating mechanism; 11. a base plate; 12. a top plate; 13. a stay bar; 14. a transverse chute; 15. a first motor; 16. fixing the rod; 17. a connecting pin; 18. a movable rod; 19. rotating the sleeve; 2. a wire drawing mechanism; 21. a fixed mount; 22. a wire drawing cylinder; 23. a vertical rod; 24. a limiting plate; 25. a movable frame body; 26. an extension plate; 27. a wire lapping cylinder; 28. a vertical chute; 3. a thread conveying mechanism; 31. a cylinder; 32. a chuck; 33. a first rotating rod; 34. a driven wheel; 35. a driving wheel; 36. a wire slot; 37. a frame; 38. a second motor; 39. a second rotating rod; 310. a slide board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-5, the wire drawing machine for producing precise screws of the present invention comprises a reciprocating mechanism 1, a wire drawing mechanism 2 and a wire feeding mechanism 3, wherein the reciprocating mechanism 1 is internally provided with the wire drawing mechanism 2, and the wire feeding mechanism 3 is internally provided with the wire drawing mechanism 2.

Wherein, reciprocating mechanism 1 includes bottom plate 11, roof 12, vaulting pole 13, horizontal spout 14, a motor 15, dead lever 16, connecting pin 17, movable rod 18 and commentaries on classics cover 19, the top of bottom plate 11 is equipped with roof 12, four vaulting poles 13 of fixedly connected with between bottom plate 11 and the roof 12, horizontal spout 14 has been seted up in the roof 12, the downside screw fixation of roof 12 has a motor 15, roof 12 fixedly connected with dead lever 16 is passed to a motor 15's output, dead lever 16 rotates through connecting pin 17 and is connected with movable rod 18, movable rod 18 keeps away from the one end fixedly connected with commentaries on classics cover 19 of connecting pin 17.

Wherein, the wire drawing mechanism 2 includes the mount 21, a wire drawing section of thick bamboo 22, the montant 23, the limiting plate 24, movable framework 25, extension board 26, a string section of thick bamboo 27 and vertical spout 28, the upside at roof 12 is fixed to mount 21 screw, the fixed line section of thick bamboo 22 that is equipped with of middle part of mount 21, montant 23 inlays and establishes in horizontal spout 14, montant 23 outside and the upper and lower both sides that are located roof 12 all fix the cover and are equipped with limiting plate 24, the top fixedly connected with movable framework 25 of montant 23, one side of movable framework 25 is equipped with a string section of thick bamboo 27, through two extension board 26 fixed connection between movable framework 25 and the string section of thick bamboo 27, vertical spout 28 has been seted up to movable framework 25's bilateral.

Wherein, the thread transferring mechanism 3 comprises a cylinder 31, a chuck 32, a first rotating rod 33, a driven wheel 34 and a driving wheel 35, wire casing 36, frame 37, No. two motor 38, bull stick 39 and slide 310, cylinder 31 screw fixation is at the upside of movable frame 25, movable frame 25 fixedly connected with chuck 32 is passed to the output of cylinder 31, be equipped with bull stick 39 in the chuck 32, one side fixedly connected with slide 310 of chuck 32, vertical spout 28 fixedly connected with frame 37 is passed to the one end of slide 310, install No. two motor 38 in the frame 37, the output shaft of No. two motor 38 passes frame 37 and slide 310 and No. two bull stick 39 fixed connection, the fixed cover in middle part outside of No. two bull stick 39 is equipped with driving wheel 35, the below of driving wheel 35 just is located movable frame 25 and is equipped with bull stick 33 No. one, the fixed cover in middle part outside of a bull stick 33 is equipped with from driving wheel 34, wire casing 36 has all been seted up in driving wheel 35 and the follow driving wheel 34 outside.

Wherein, the rotating sleeve 19 is rotatably sleeved on the outer side of the vertical rod 23, and the inner wall of the transverse chute 14 is connected with the vertical rod 23 in a sliding way.

Wherein, a tapered groove is arranged on one side end face of the thread drawing tube 22, and the thread drawing tube 22 and the thread lapping tube 27 are positioned on the same straight line.

The sliding plate 310 is slidably connected to the inner wall of the vertical sliding groove 28, and the driving wheel 35 is located right above the driven wheel 34.

Two ends of the first rotating rod 33 are rotatably connected with two opposite inner walls of the movable frame 25 through bearings respectively, and two ends of the second rotating rod 39 are rotatably connected with the inner walls of the chucks 32 through bearings respectively.

Specifically, when the wire drawing device is used, the end of a wire penetrates through the wire drawing cylinder 22 and the wire lapping cylinder 27, then the air cylinder 31 is started, the piston rod of the air cylinder 31 pushes the chuck 32 to move downwards, so that the driving wheel 35 compresses the wire, the wire is clamped in the wire groove 36 between the driving wheel 35 and the driven wheel 34, the contact area is effectively increased, the friction force of wire transmission is increased, then the second motor 38 is started to drive the second rotating rod 39 and the driving wheel 35 to rotate, further the wire is driven to be transmitted to the wire lapping cylinder 27 from the wire drawing cylinder 22, meanwhile, the first motor 15 drives the fixed rod 16 to rotate, the fixed rod 16 pushes the movable rod 18 and the vertical rod 23 to slide along a straight line, so that the driven wheel 34 and the driving wheel 35 drag the wire forwards, the wire with a larger radius and a bent state is effectively straightened under the action of the wire drawing cylinder 22, the later-stage processing operation of the wire, the cylinder 31 piston rod resets, the wire rod will be released, treat montant 23 back that resets again, the cylinder 31 piston rod promotes chuck 32 and moves down again, realize the circulation and draw the process of dragging, adopt reciprocating mechanism 1 and the mode that defeated line mechanism 3 combined together to take out the line, the transmission efficiency of wire rod has greatly been improved, and simultaneously, the setting of cylinder 31, make action wheel 35 can compress tightly the wire rod, can effectively avoid the traction wheel phenomenon such as skid to take place, when cutting the terminal, adjust No. two motor 38's rotational speed, can effectively finely tune the length of wire rod single transmission, and then steerable length of cutting, and simultaneously, the setting of reciprocating mechanism 1, the problem that adopts the traction wheel transmission and efficiency is lower has been avoided.

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. The utility model provides a precision is wire drawing machine for screw production, includes reciprocating mechanism (1), wire drawing mechanism (2) and defeated line mechanism (3), its characterized in that, install in reciprocating mechanism (1) and take out line mechanism (2), install in the mechanism of taking out line mechanism (2) and defeated line mechanism (3).

2. The wire drawing machine for producing precise screws as claimed in claim 1, the reciprocating mechanism (1) comprises a bottom plate (11), a top plate (12), a support rod (13), a transverse sliding groove (14), a first motor (15), a fixed rod (16), a connecting pin (17), a movable rod (18) and a rotating sleeve (19), a top plate (12) is arranged above the bottom plate (11), four support rods (13) are fixedly connected between the bottom plate (11) and the top plate (12), a transverse sliding groove (14) is formed in the top plate (12), a first motor (15) is fixed on the lower side of the top plate (12) through screws, the output end of the first motor (15) penetrates through the top plate (12) and is fixedly connected with a fixed rod (16), the fixed rod (16) is rotationally connected with a movable rod (18) through a connecting pin (17), one end of the movable rod (18) far away from the connecting pin (17) is fixedly connected with a rotating sleeve (19).

3. The wire drawing machine for producing precise screws according to claim 1, wherein the wire drawing mechanism (2) comprises a fixed frame (21), a wire drawing tube (22), a vertical rod (23), a limiting plate (24), a movable frame body (25), an extending plate (26), a wire lapping tube (27) and a vertical sliding groove (28), the fixed frame (21) is fixed on the upper side of the top plate (12) through screws, the wire drawing tube (22) is fixedly embedded in the middle of the fixed frame (21), the vertical rod (23) is embedded in the horizontal sliding groove (14), the limiting plate (24) is fixedly sleeved on the outer side of the vertical rod (23) and positioned on the upper side and the lower side of the top plate (12), the movable frame body (25) is fixedly connected to the top end of the vertical rod (23), the wire lapping tube (27) is arranged on one side of the movable frame body (25), and the movable frame body (25) and the wire lapping tube (27) are fixedly connected through the two extending plates (26), vertical sliding grooves (28) are symmetrically formed in two sides of the movable frame body (25).

4. The wire drawing machine for producing precise screws according to claim 1, wherein the wire conveying mechanism (3) comprises a cylinder (31), a chuck (32), a first rotating rod (33), a driven wheel (34), a driving wheel (35), a wire groove (36), a frame (37), a second motor (38), a second rotating rod (39) and a sliding plate (310), the cylinder (31) is fixed on the upper side of the movable frame (25) through screws, the output end of the cylinder (31) penetrates through the fixed connection chuck (32) of the movable frame (25), the second rotating rod (39) is arranged in the chuck (32), the sliding plate (310) is fixedly connected to one side of the chuck (32), one end of the sliding plate (310) penetrates through the vertical sliding groove (28) and is fixedly connected with the frame (37), the second motor (38) is installed on the frame (37), and the output shaft of the second motor (38) penetrates through the frame (37) and the sliding plate (310) and is fixedly connected with the second rotating rod (39) Connect, the fixed cover in the middle part outside of No. two bull sticks (39) is equipped with action wheel (35), the below of action wheel (35) just is located activity framework (25) and is equipped with bull stick (33) No. one, the fixed cover in the middle part outside of bull stick (33) is equipped with from driving wheel (34), wire casing (36) have all been seted up in action wheel (35) and from driving wheel (34) outside.

5. The wire drawing machine for producing precise screws as claimed in claim 2, wherein the rotating sleeve (19) is rotatably sleeved on the outer side of the vertical rod (23), and the inner wall of the transverse sliding groove (14) is slidably connected with the vertical rod (23).

6. The wire drawing machine for producing precise screws as claimed in claim 3, wherein a tapered groove is provided on one side end surface of the wire drawing cylinder (22), and the wire drawing cylinder (22) and the wire lapping cylinder (27) are located on the same straight line.

7. The wire drawing machine for producing precise screws as claimed in claim 4, wherein the sliding plate (310) is connected with the inner wall of the vertical chute (28) in a sliding manner, and the driving wheel (35) is positioned right above the driven wheel (34).

8. The wire drawing machine for producing precise screws as claimed in claim 4, wherein two ends of the first rotating rod (33) are rotatably connected with two opposite inner walls of the movable frame (25) through bearings respectively, and two ends of the second rotating rod (39) are rotatably connected with the inner walls of the chucks (32) through bearings respectively.