CN210393249U

CN210393249U - Braiding machine

Info

Publication number: CN210393249U
Application number: CN201921365134.8U
Authority: CN
Inventors: 宋小芳
Original assignee: Xi'an Xunda Cable Manufacturing Co Ltd
Current assignee: Xi'an Xunda Cable Manufacturing Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-04-24
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a braiding machine, which comprises a pay-off rack, a braiding device and a wire collecting device, wherein copper wires pass through the pay-off rack in sequence, the pay-off rack comprises a rack body, a wire coil and a tension force control device, the wire coil is rotatably arranged at the lower part of the rack body, the tension force control device is arranged at the upper part of the rack body, the tension force control device comprises a friction plate, a spring, a shell with an upper opening and a lower opening and a guide block, the shell is fixedly connected at the upper end of the rack body, the guide block is slidably arranged in the shell, the spring is also arranged in the shell, one end of the spring is in contact with one side surface of the shell, which is far away from the pay-off rack, the other end of the spring is in contact with the inner surface of the guide block, which is far away from the pay-off rack, one end of the friction, the installation is convenient, and the working amplitude is small.

Description

Braiding machine

Technical Field

The utility model relates to a field is woven to the electric wire, specifically is a braider.

Background

In the production process of electric wires and cables, a plurality of strands of copper wires are often required to be stranded into a strand of copper wire by a braiding machine, wherein the braiding machine comprises a pay-off rack, a braiding device and a wire collecting device. Application number is 201720194416.0's patent has announced the copper wire pay off rack of current braider including the drum of paying out the copper wire and the tensile force adjusting device that the speed was paid out to the control drum, tensile force adjusting device includes the casing and articulates in the casing and follow the first support arm that stretches out in the direction of keeping away from first crossbeam in the casing, first support arm is equipped with extension spring and supplies the fixed branch of extension spring in one section that first crossbeam was kept away from to the pin joint, first support arm articulates in the one end that the pin joint is close to first crossbeam has the connecting rod that links to each other with locking mechanism, the casing articulates in the top that first arm is close to first connecting rod has the cam that can adjust first arm inclination through rotating. When the copper wire has tensile force, the second support arm is driven to move downwards, the cam below the second support arm rotates to extrude the first support arm, one end, close to the first cross beam, of the first support arm moves downwards to drive the connecting rod to move downwards, the connecting rod is connected with the locking mechanism, the locking mechanism enables the wire coil to be loosened, and the wire coil is loosened to accelerate the speed of releasing the copper wire, so that the tensile force of the copper wire is reduced.

The tension adjusting device of the pay-off rack has the advantages that the number of parts is large, the installation is inconvenient, the mechanism is complicated, the second support arm needs to shake in an upper arc and a lower arc in the operation process of the tension adjusting device, and the working range of the copper wire is large, so that the copper wire is easily abraded.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a braider, the tensile force adjusting device who has the pay off rack setting in the braider is simple, simple to operate, advantage that the working range is little.

The above features of the present invention can be embodied by the following technical solutions:

the utility model provides a braiding machine, includes pay off rack, weaving device and the line concentration device that the copper wire passed through in proper order, the pay off rack includes frame body, drum and tensile force controlling means, and the drum rotates and sets up in frame body lower part, and tensile force controlling means sets up on frame body upper portion, tensile force controlling means includes friction plate, spring, upper and lower open-ended casing and guide block, casing fixed connection in frame body upper end, guide block slidable mounting still is provided with the spring in the casing, and a pay off rack side contact is kept away from to spring one end and casing, and the other end keeps away from the interior surface contact of pay off rack with the guide block, friction plate one end with guide block bottom fixed connection, the friction plate other end is vertical to be passed the casing and is contacted with the drum, the guide block still is provided with the arm that stretches out.

By adopting the technical scheme, the copper wire is discharged from the wire coil and then is connected into the weaving device through the guide wheel, when the tensile force of the copper wire is increased, the guide wheel and the arm connected with the guide wheel move towards the direction far away from the pay-off rack, the arm indirectly drives the guide block to move along the guide groove towards the direction far away from the pay-off rack, and meanwhile, the friction plate connected with the guide block is driven to be far away from the flywheel, so that the resistance of the wire coil fixedly connected with the flywheel is reduced, the tensile force of the copper wire is finally reduced, the parts of the whole tensile force adjusting device are few, the installation is convenient only through installing the guide block into the shell and then fixing the guide block onto the pay-off rack to connect the copper wire, when the tensile force is adjusted, the guide block and the parts connected with the guide block move along the guide groove together, the working amplitude is small.

The utility model discloses further set up to: the tension control device is characterized in that a first cross beam parallel to the horizontal plane and a second cross beam located below the first cross beam are arranged on the rack body, the tension control device is provided with a plurality of rotating shafts which are arranged on the first cross beam side by side, the second cross beam is rotatably provided with a plurality of rotating shafts perpendicular to the second cross beam, and the wire coil is fixedly sleeved on the rotating shafts.

By adopting the technical scheme, when the copper wire discharged by the wire coil passes through the guide wheel on the tension force control device and then is connected into the weaving device through the height difference of the wire coil and the tension force control device, the copper wire forms a path which is firstly upward and then leads to the weaving device, so that the generated tension force can be better transmitted to the tension force control device to enable the tension force control device to play a good role, and the height difference is arranged between the wire coils to enable the wire coils not to be mutually interfered.

The utility model discloses further set up to: the rotary shaft is further provided with two conical stop blocks in threaded fit with the rotary shaft, the two conical stop blocks are arranged on each rotary shaft and are respectively arranged on two sides of the wire coil, and the conical ends of the conical stop blocks are oppositely arranged and respectively correspondingly inserted into the central hole of the wire coil and abut against the end face of the wire coil.

Through adopting above-mentioned technical scheme, only need unscrew the toper dog, can change the drum after exhausting the copper wire, only need screw in the toper dog once more after the change and can fix, made things convenient for the change of copper wire.

The utility model discloses further set up to: the tension control device further comprises a flywheel which is fixedly sleeved at one end of the rotating shaft close to the rack body, and the end face, far away from the rack body, of the flywheel is in contact with the friction plate.

By adopting the technical scheme, the flywheel is fixedly connected with the rotating shaft, the rotation of the wire coil arranged on the rotating shaft fixedly connected with the flywheel can be controlled only by controlling the rotation of the flywheel, the tension of the copper wire can be controlled by controlling the rotation of the wire coil, and the tension control device can control the tension more conveniently.

The utility model discloses further set up to: and friction pads are glued on the contact parts of the friction plates and the flywheel.

Through adopting above-mentioned technical scheme, after setting up the friction lining piece for when the in-process of control leads to control effect not good because wearing and tearing, only need change the lining piece can, reduce the cost of renewal part, simultaneously because the material of friction lining piece can be different with the friction plate, adopt behind the material of high coefficient of friction, only need exert a bit of power can produce frictional force, make control more meticulous.

The utility model discloses further set up to: the guide block is provided with a first groove in contact with the spring, a second groove is formed in the inner surface of the shell in contact with the spring, one end of the spring is placed in the first groove, and the other end of the spring is placed in the second groove.

Through adopting above-mentioned technical scheme, the spring both ends are lived with the recess support for the spring can not deviate from preset position under the effect of gravity and guide block motion in the tensile force adjustment mechanism.

The utility model discloses further set up to: the two opposite side walls of the shell, which are vertical to the rack body, are respectively provided with a corresponding through guide groove, the guide block is provided with a through hole along the through direction of the guide grooves, a guide rod penetrates through the through hole on the guide block, and two ends of the guide rod respectively extend outwards and are respectively arranged on the two guide grooves of the shell in a penetrating manner to form a guide block and a shell sliding connection.

Through adopting above-mentioned technical scheme for be difficult to deviate from the guide way when the guide block can move according to the direction that the guide way set up and guarantee the stability of working process.

The utility model discloses further set up to: the arm comprises a cross arm and a longitudinal arm, one end of the cross arm is fixedly connected to the guide block, one end of the longitudinal arm is fixedly connected to the upper surface of the cross arm, and guide wheels are arranged on the cross arm and the longitudinal arm.

Through adopting above-mentioned technical scheme, the copper wire is come out from the drum and is gone through the guide pulley that sets up on the xarm and the guide pulley that sets up on the longitudinal arm in proper order for the copper wire is more with tensile force adjustment mechanism's contact, and the frictional plate that the tensile force can be better drives guide block and the last connection of guide block moves to the direction of keeping away from the frame body, thereby better going to adjust the tensile force.

To sum up, the utility model discloses a beneficial technological effect does:

the copper wire is discharged from the wire coil and then enters the weaving device through the guide wheel, when the tensile force of the copper wire is increased, the guide wheel and an arm connected with the guide wheel move towards the direction far away from the pay-off rack, the arm indirectly drives the guide block to move towards the direction far away from the pay-off rack along the guide groove, meanwhile, the friction plate connected with the guide block is driven to be far away from the flywheel, the rotating resistance of the flywheel is reduced, the resistance of the wire coil fixedly connected with the flywheel is reduced, the tensile force of the copper wire is finally reduced, the parts of the whole tensile force adjusting device are few, the installation is convenient, the guide block only needs to be installed in the shell and then fixed to the pay-off rack, the copper wire is connected with the guide block, the guide block and the parts connected with the guide block move along the guide groove when the tensile force is adjusted.

Drawings

Fig. 1 is a schematic view of the overall mechanism of the present invention;

FIG. 2 is a block diagram of the pay-off stand of FIG. 1;

FIG. 3 is an exploded view of the tension control device of FIG. 2;

FIG. 4 is an exploded view of the tension control device of FIG. 2;

fig. 5 is an enlarged view of a portion a of fig. 2.

Description of reference numerals: 1. a pay-off rack; 11. a frame body; 111. a first cross member; 112. a second cross member; 113. a rotating shaft; 12. wire coils; 121. a conical stopper; 13. a tension control device; 131. a housing; 1311. a second groove; 1312. a guide groove; 132. a guide bar; 133. a guide block; 1331. a first groove; 1332. a through hole; 134. a spring; 135. an arm; 1351. a cross arm; 1352. a trailing arm; 136. a friction plate; 1361. a friction pad; 137. a guide wheel; 138. a flywheel; 2. a knitting device; 3. a line concentration device.

Detailed Description

As shown in fig. 1, for the utility model discloses a braiding machine, including pay off rack 1, weaving device 2 and the line concentrator 3 placed in proper order, the three links together through the copper wire, and the copper wire is in proper order played from pay off rack 1 and is inserted weaving device 2 and weave, and the copper wire that has woven inserts line concentrator 3 and is collected, and it is more in braiding machine to weave device 2 and line concentrator 3, no longer gives details here.

As shown in fig. 2, the pay-off stand 1 includes a stand body 11, a wire coil 12 and a tension control device 13, and a first cross beam 111 parallel to a horizontal plane and a plurality of second cross beams 112 located below the first cross beam 111 are disposed on the stand body 11. In this embodiment, three second cross beams 112 are disposed on the rack body 11.

As shown in fig. 2 and 5, a rotating shaft 113 capable of rotating freely is arranged on the second beam 112, the rotating shaft 113 is provided with a plurality of height-staggered second beams 112 and is perpendicular to the second beams 112, a wire coil 12 rotating along with the rotating shaft 113 is arranged on the rotating shaft 113, a tapered stop 121 in threaded fit with the rotating shaft 113 is further arranged on the rotating shaft 113, after the wire coil 12 is inserted into the rotating shaft 113, a tapered end of the tapered stop 121 is inserted into a central hole of the wire coil 12 and abuts against an end face of the wire coil 12, the tapered stop 121 inserts the tapered end into the central hole of the wire coil 12 through threaded connection, and compresses the wire coil 12, so that the wire coil 12 can rotate synchronously with the rotating shaft 113.

As shown in fig. 2, the first beam 111 is provided with a tension control device 13, the tension control device 13 has a plurality of flywheels 138, friction plates 136, springs 134, a housing 131 and guide blocks 133 movably disposed in the housing 131, the flywheels 138 are fixedly sleeved on the rotation shafts 113 and close to one end of the second beam 112, the housing 131 is fixedly connected to the first beam 111, the inner side of the housing 131 far from the first beam 111 is provided with a second groove 1311, the side of the guide blocks 133 far from the first beam 111 is provided with a first groove 1331, the springs 134 are disposed between the first groove 1331 and the second groove 1311, two opposite side walls of the housing 131 perpendicular to the rack body 11 are respectively provided with corresponding through guide slots 1312, the guide blocks 133 are provided with through holes 1332 along the through direction of the guide slots 1312, two ends of the guide rod 132 extend outwards and penetrate through two guide grooves 1312 of the housing 131, respectively, one end of the guide rod 132 is threaded and screwed with a nut so that the guide rod 132 does not fall off, the guide block 133 can horizontally move on the guide grooves 1312 along with the guide rod 132, the lower surface of the guide block 133 is fixedly connected with one end of the friction plate 136, as shown in fig. 5, the other end of the friction plate 136 is arranged on the surface of the flywheel 138 away from the second cross beam 112, and a contact part of the friction plate 136 and the flywheel 138 is provided with a friction pad 1361.

As shown in fig. 3 and 4, the side of the guide block 133 provided with the circular groove is further provided with an arm 135 extending out of the housing 131, the arm 135 comprises a cross arm 1351 and a longitudinal arm 1352, one end of the cross arm 1351 is fixedly connected to the guide block 133, one end of the longitudinal arm 1352 is fixedly connected to the upper surface of the cross arm 1351, the cross arm 1351 and the longitudinal arm 1352 are provided with three guide wheels 137, the number of the guide wheels is three in the embodiment, the cross arm 1351 is provided with a guide wheel 137 far away from the guide block 133 and a guide wheel 137 near the guide block 133, and the longitudinal arm 1352 is also provided with a guide wheel.

The implementation principle of the above embodiment is as follows: the wire coil 12 is arranged on the rotating shaft 113 of the second cross beam 112, copper wires discharged by the wire coil 12 sequentially pass through the first guide wheel 1371 on the cross arm 1351, the third guide wheel 1372 on the longitudinal arm 1352 and then enter the inlet of the weaving device 2 through the second guide wheel 1372 on the cross arm 1351, sequentially pass through the parallel guide rods 132 and finally enter the wire collecting device 3 from the outlet of the weaving device 2, and as a plurality of wire discharging mechanisms and tension adjusting mechanisms are arranged, a plurality of strands of copper wires discharged by a plurality of wire coils 12 are connected in the above manner, the wire collecting device 3 operates to take the copper wires out of the wire coil 12 and finally collect the copper wires into the wire collecting device 3 so that the copper wires have tension, when the wire discharging speed of the wire coil 12 is not higher than the wire collecting speed of the wire collecting device 3, the tension of the copper wires is too high, the guide block 133 connected with the arm 135 provided with the guide wheel 137 is driven to move in the direction far away from the wire discharging rack 1 on the guide groove by overcoming the elasticity of the, the friction pad 1361 on the friction plate 136 is also far away from the flywheel 138, the friction force on the flywheel 138 is reduced, so that the resistance on the rotating shaft 113 fixedly connected with the wind wheel is reduced, the paying-off speed of the wire coil 12 fixed on the rotating shaft 113 and rotating together is increased, when the wire releasing speed of the wire coil 12 meets the wire receiving speed of the wire collecting device 3, the tension force of the copper wire is reduced, the guide block 133 connected with the arm 135 provided with the guide wheel 137 is adjusted under the action of the spring, the friction plate 136, which is fixedly connected to the guide block 133, returns to its original position, and the friction pad 1361 continues to generate resistance to the flywheel 138 on the shaft 113, so that the copper wire has a certain tension, due to the plurality of wire coils 12 and the tension adjusting device, the tension adjusting device ensures that the speed of copper wires on the plurality of wire coils 12 is almost the same, the condition that the lengths of all strands of copper wires are different is avoided, and the breakage caused by knotting and overlarge tension of the copper wires is avoided.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a braider, includes pay off rack (1), weaving device (2) and collection line device (3) that the copper wire passes through in proper order, its characterized in that: the pay-off rack (1) comprises a rack body (11), a wire coil (12) and a tension control device (13), wherein the wire coil (12) is rotatably arranged at the lower part of the rack body (11), the tension control device (13) is arranged at the upper part of the rack body (11), the tension control device (13) comprises a friction plate (136), a spring (134), a shell (131) with an upper opening and a lower opening and a guide block (133), the shell (131) is fixedly connected with the upper end of the rack body (11), the guide block (133) is slidably arranged in the shell (131), the spring (134) is further arranged in the shell (131), one end of the spring (134) is in contact with one side surface of the shell (131) far away from the pay-off rack (1), the other end of the spring is in contact with the inner surface of the guide block (133) far away from the pay-off rack (1), one end of the friction plate (136) is fixedly connected with the bottom of the guide block (133), and the other, the guide block (133) is further provided with an arm (135) extending out of the shell (131), and a guide wheel (137) is arranged on the arm (135).

2. The knitting machine of claim 1, characterized by: the tension control device is characterized in that a first cross beam (111) parallel to the horizontal plane and a second cross beam (112) located below the first cross beam (111) are arranged on the rack body (11), a plurality of tension control devices (13) are arranged on the first cross beam (111) side by side, a plurality of rotating shafts (113) perpendicular to the second cross beam are arranged on the second cross beam (112) in a rotating mode, and the wire coil (12) is fixedly sleeved on the rotating shafts (113).

3. A knitting machine as claimed in claim 2, characterized by: the rotary shaft (113) is further provided with two conical stop blocks (121) in threaded fit with the rotary shaft (113), the two conical stop blocks (121) are arranged on each rotary shaft (113) and are respectively arranged on two sides of the wire coil (12), and the conical ends of the conical stop blocks (121) are oppositely arranged and are respectively correspondingly inserted into a central hole of the wire coil (12) and abut against the end face of the wire coil (12).

4. A knitting machine as claimed in claim 2, characterized by: the tension control device (13) further comprises a flywheel (138), the flywheel (138) is fixedly sleeved on the rotating shaft (113) and is close to one end of the rack body (11), and the end face, far away from the rack body (11), of the flywheel (138) is in contact with the friction plate (136).

5. Knitting machine as claimed in claim 4, characterized by: the friction plate (136) is glued with a friction pad (1361) at the portion that contacts the flywheel (138).

6. The knitting machine of claim 1, characterized by: the surface that guide block (133) and spring (134) contact is provided with first recess (1331), the internal surface that casing (131) and spring (134) contact is provided with second recess (1311), and spring (134) one end is placed in first recess (1331), and the other end is placed in second recess (1311).

7. The knitting machine of claim 1, characterized by: two opposite side walls perpendicular to the rack body (11) on the shell (131) are respectively provided with a corresponding through guide groove (1312), a through hole (1332) is formed in the guide block (133) along the through direction of the guide groove (1312), a guide rod (132) penetrates through the through hole (1332) in the guide block (133), and two ends of the guide rod (132) respectively extend outwards and are respectively arranged on the two guide grooves (1312) of the shell (131) in a penetrating manner to form sliding connection between the guide block (133) and the shell (131).

8. The knitting machine of claim 1, characterized by: the arm (135) comprises a cross arm (1351) and a longitudinal arm (1352), one end of the cross arm (1351) is fixedly connected to the guide block (133), one end of the longitudinal arm (1352) is fixedly connected to the upper surface of the cross arm (1351), and guide wheels (137) are arranged on the cross arm (1351) and the longitudinal arm (1352).