Wire extruding mechanism of winding machine
Technical Field
The invention relates to the technical field of automatic production equipment.
Background
Currently, there is a connector in which a conductive terminal is formed by doubling a length (for example, 1 m) of gold wire having a gold content of 99% as a wire, twisting the doubled gold wire by a suitable angle, and finally extruding the twisted gold wire to a desired predetermined size. The existing production and processing of the conductive terminal are realized by pure manual or semi-automatic operation, and the production efficiency is low.
Disclosure of Invention
In summary, the invention aims to solve the problem that the existing device for fully automatically tightening and transversely extruding the folded wire rod is lack, and provides a wire extruding mechanism of a winding machine.
In order to solve the technical problems, the invention adopts the following technical scheme:
the wire extruding mechanism of the winding machine is characterized by comprising a rubbing mechanism (1) for rubbing and tightening wires in a folded state, a cross extruding mechanism (2) positioned at the bottom of the rubbing mechanism (1) and used for cross extruding and tightening the wires in the folded state, a wire extruding mounting seat (3) positioned at the bottom of the cross extruding mechanism (2) and a wire extruding mechanism translation sliding module (4) used for driving the wire extruding mounting seat (3) to translate;
the rubbing and extruding mechanism (1) comprises a chassis (11), a fixed shaft (12) is vertically arranged on the chassis (11), a rubbing and extruding driving wheel (13) sleeved on the fixed shaft (12) is arranged above the chassis (11), the rubbing and extruding driving wheel (13) is rotationally connected with the chassis (11) through a bearing supporting mechanism (131) coaxially arranged with the fixed shaft (12), a circular arc-shaped clearance groove (132) is arranged between the inner wall of the rubbing and extruding driving wheel (13) and the outer wall of the fixed shaft (12), and a discharging hole (111) corresponding to the circular arc-shaped clearance groove (132) is arranged on the chassis (11); a rubbing wheel driving motor (14) for driving the rubbing driving wheel (13) to rotate back and forth through a synchronous belt is fixedly arranged on the chassis (11);
the cross extrusion mechanism (2) comprises a round table (21) with the bottom surface fixedly connected with the extrusion line mounting seat (3), more than two sliding clamping grooves (211) are radially arranged on the round table (21), each sliding clamping groove (211) is connected with a sliding block (22) in a sliding manner, and extrusion teeth (221) which are matched with each other in a cross manner and used for transversely extruding and tightening wires are arranged at the inner side ends of the sliding blocks (22); the rotary table (21) is movably sleeved with a rotary table (23), more than two rollers (231) which are correspondingly used for pushing the sliding blocks (22) to push towards the center are arranged on the surface of the rotary table (23), and the top surface of the rotary table (23) is connected with the chassis (11) through fastening; the rotary disc (23) is fixedly sleeved with an extrusion driving wheel (232), and an extrusion wheel driving motor (233) for driving the extrusion driving wheel (232) to rotate through a synchronous belt is arranged on the extrusion line mounting seat (3); the center of the round table (21) is provided with a first discharging channel (212) corresponding to the discharging hole (111), and the round table (21) is internally provided with a valve mechanism (213) arranged in the first discharging channel (212); and a second discharging channel (31) corresponding to the bottom opening of the first discharging channel (212) is arranged on the extruding line mounting seat (3).
The top surface of the chassis (11) is provided with a groove (112), the bearing supporting mechanism (131) comprises a bearing (1311) embedded in the groove (112), a bearing pressing plate (1312) arranged above the bearing (1311) and fixedly connected with the chassis (11), and a flange connecting sleeve (1313) penetrating upwards from the bottom of the bearing (1311); the rubbing and squeezing driving wheel (13) is positioned above the bearing (1311) and is fixedly connected with the flange connecting sleeve (1313).
The rubbing and extruding driving wheel (13) comprises a rubbing and extruding driving wheel body (135) and a rubbing and extruding sleeve (136) positioned at the center of the rubbing and extruding driving wheel body (135); the rubbing sleeve (136) is fixedly connected with the top surface of the flange connecting sleeve (1313); an arc-shaped clearance groove (132) in clearance fit is arranged between the rubbing sleeve (136) and the fixed shaft (12).
The sliding block (22) comprises a sector cam block (222) matched with the roller (231) and a sliding bar (223) arranged on the bottom surface of the sector cam block (222) and in sliding fit with the sliding clamping groove (211).
The valve mechanism (213) comprises a valve block (2131) arranged in the first discharging channel (212) and a valve cylinder (2132) arranged in the round table (21) and used for pushing the valve block (2131) into or out of the first discharging channel (212).
The extrusion teeth (221) are composed of more than two extrusion sheets which are horizontally arranged in parallel, and gaps for inserting the extrusion sheets of other sliding blocks (22) are reserved behind two adjacent extrusion sheets.
The beneficial effects of the invention are as follows: after the wire clamping mechanism is folded in half and the gold wires are twisted by a proper angle, the wires are inserted into the twisting and extruding mechanism for twisting and tightening, and then transversely and crosswise extruding and tightening are performed in the cross extruding mechanism, so that the whole wire extruding process operation is fully automatically completed, the labor cost is saved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the whole structure in the application process of the invention;
FIG. 2 is a schematic diagram of the structure of the wire clamping mechanism;
FIG. 3 is a schematic view of the bottom structure of FIG. 2;
FIG. 4 is a schematic diagram of a perspective view of the present invention;
FIG. 5 is a schematic diagram of a perspective view of the second embodiment of the present invention;
FIG. 6 is a schematic diagram of an exploded structure of the present invention;
FIG. 7 is a schematic diagram of an exploded structure of the present invention;
FIG. 8 is a schematic top view of the present invention;
FIG. 9 is a schematic view of a three-dimensional structure of the slider and the roller of the present invention when engaged;
FIG. 10 is a schematic view of the bottom view of the slider and roller of the present invention in cooperation;
fig. 11 is a schematic cross-sectional structure of the present invention.
Description of the embodiments
The structure of the present invention will be further described with reference to the accompanying drawings and preferred embodiments of the present invention.
Referring to fig. 1 to 11, the wire extruding mechanism of the winding machine of the present invention includes a wire extruding mechanism 1 for extruding and tightening the wire in a folded state, a cross extruding mechanism 2 located at the bottom of the wire extruding mechanism 1 for cross extruding and tightening the wire in a folded state, a wire extruding mounting seat 3 located at the bottom of the cross extruding mechanism 2, and a wire extruding mechanism translation sliding module 4 for driving the wire extruding mounting seat 3 to translate. In the application process, the wire extruding mechanism translation sliding module 4 is arranged on the bottom surface of the large bottom plate 9 and is fixedly connected with the bottom of the wire extruding installation seat 3 on the top surface of the large bottom plate 9 through a boss. In operation, the twisted and tightened wire is inserted into the wringing mechanism 1 by the vertical wire clamp 53 of the wire clamping mechanism.
The twisting and squeezing mechanism 1 has the functions similar to that of two hands of a person, one hand is forward, and the other hand is backward, so that a section of folded relatively loose wire is twisted and squeezed, and the thickness of the wire is uniform and compact. The specific structure of the rubbing and extruding mechanism 1 comprises a chassis 11, a fixed shaft 12 is vertically arranged on the chassis 11, a rubbing and extruding driving wheel 13 sleeved on the fixed shaft 12 is arranged above the chassis 11, the rubbing and extruding driving wheel 13 is rotationally connected with the chassis 11 through a bearing supporting mechanism 131 coaxially arranged with the fixed shaft 12, a circular arc-shaped clearance groove 132 is arranged between the inner wall of the rubbing and extruding driving wheel 13 and the outer wall of the fixed shaft 12, and a discharging hole 111 corresponding to the circular arc-shaped clearance groove 132 is arranged on the chassis 11; the chassis 11 is also fixedly provided with a rubbing wheel driving motor 14 for driving the rubbing driving wheel 13 to rotate back and forth through a synchronous belt. When the fixed shaft 12 rotates forward along with the cross extrusion mechanism 2, the extrusion driving wheel 13 rotates reversely under the action of the extrusion driving wheel driving motor 14, and the folded wire inserted in the circular arc gap groove 132 between the inner wall of the extrusion driving wheel 13 and the outer wall of the fixed shaft 12 by the wire clamping mechanism is extruded and tightened under the friction force, and then falls into the cross extrusion mechanism 2 through the discharge hole 111. In order to detect that the rubbing driving wheel 13 rotates to the maximum forward rotation angle or rotates reversely to the maximum rotation angle, a switching signal is provided for the rubbing driving wheel driving motor 14, a circular arc-shaped boss 133 is arranged on the rubbing driving wheel 13, and a metal sensor 141 or a reflective optical fiber for detecting the circular arc-shaped boss 133 is arranged on a rack of the rubbing driving wheel driving motor 14.
In order to realize the rotary connection between the rubbing driving wheel 13 and the chassis 11, the top surface of the chassis 11 is provided with a groove 112, the bearing supporting mechanism 131 comprises a bearing 1311 embedded in the groove 112, a bearing pressing plate 1312 arranged above the bearing 1311 and fixedly connected with the chassis 11, and a flange connecting sleeve 1313 penetrating upwards from the bottom of the bearing 1311; the rubbing driving wheel 13 is positioned above the bearing 1311 and is tightly connected with the flange connecting sleeve 1313.
In order to adapt the twisting and extruding mechanism 1 to wires with different thickness specifications, the twisting and extruding driving wheel 13 comprises a twisting and extruding driving wheel body 135 and a twisting and extruding sleeve 136 positioned at the center of the twisting and extruding driving wheel body 135; the rubbing sleeve 136 is tightly connected with the top surface of the flange connecting sleeve 1313; the rubbing sleeve 136 and the fixed shaft 12 are provided with circular arc gap grooves 132 in clearance fit. The corresponding pickup tube 136 is selected or replaced according to different specifications.
Referring to fig. 6 to 11, the cross extrusion mechanism 2 includes a circular table 21 with a bottom surface fixedly connected with the wire extrusion mounting base 3, more than two sliding clamping grooves 211 are radially arranged on the circular table 21, three sliding clamping grooves 211 are taken as an example in the drawing, each sliding clamping groove 211 is slidably connected with a sliding block 22, and extrusion teeth 221 which are mutually matched in a cross manner and are used for transversely extruding and tightening wires are arranged at the inner side ends of the sliding blocks 22; a rotary disk 23 is movably sleeved outside the round table 21, more than two rolling shafts 231 which are respectively corresponding to the sliding blocks 22 and used for pushing the sliding blocks 22 to push towards the center are arranged on the disk surface of the rotary disk 23, and the top surface of the rotary disk 23 is fixedly connected with the chassis 11; the rotary disc 23 is fixedly sleeved with an extrusion driving wheel 232, and an extrusion wheel driving motor 233 for driving the extrusion driving wheel 232 to rotate through a synchronous belt is arranged on the extrusion line mounting seat 3; a first discharging channel 212 corresponding to the discharging hole 111 is arranged in the center of the round table 21, and a valve mechanism 213 arranged in the first discharging channel 212 is arranged in the round table 21; the second discharging channel 31 on the extruding line mounting seat 3 corresponds to the bottom opening of the first discharging channel 212.
The sliding block 22 comprises a sector cam block 222 matched with the roller 231 and a sliding bar 223 arranged on the bottom surface of the sector cam block 222 and in sliding fit with the sliding clamping groove 211. That is, after the roller 231 revolves with the rotary disk 23 by a proper angle, the roller is pushed toward the center of the circular table 21 from the tail end of the sector cam block 222, and when the sliding blocks 22 are simultaneously pushed toward the center of the circular table 21, the wire inserted into the center of the circular table 21 is transversely squeezed and tightened by the sliding blocks 22. For better transverse extrusion of the wire, the extrusion teeth 221 are formed by more than two extrusion sheets horizontally arranged in parallel, and gaps for inserting the extrusion sheets of other sliding blocks 22 are reserved between two adjacent extrusion sheets.
The valve mechanism 213 includes a valve block 2131 disposed in the first discharge channel 212 and a valve cylinder 2132 disposed in the circular table 21 for pushing the valve block 2131 into or out of the first discharge channel 212.