CN107487660B - Tensioning device for winding frame and winding frame using the device - Google Patents

Abstract

The invention discloses the bobbin winder brackets of a kind of tensioning apparatus of bobbin winder bracket and the application device, it is related to bobbin winder bracket, it is intended to provide a kind of tensioning apparatus of bobbin winder bracket, have the advantages that for extra line to be tensioned, its key points of the technical solution are that: including the directive wheel for being erected at the support shaft of roll upper end by stand and being arranged on body, support shaft is equipped with connecting rod by sleeve, the connecting rod is rotatably connected to tensioning wheel far from one end of support shaft, line on tensioning wheel is oriented to roll by directive wheel, tensioning wheel is between directive wheel and roll, support shaft and stand are rotatablely connected, when support shaft rotates so that tensioning wheel is mobile to directive wheel direction, stand is equipped with the bar of limitation support shaft rotation, support shaft is equipped with the block cooperated with bar, sleeve, which is equipped with, makes connecting rod to the clump weight mobile far from directive wheel direction, when After clump weight drives support shaft rotation to tense extra line, stand is equipped with the mobile baffle of limitation clump weight.

Description

Tensioning device for winding frame and winding frame using the device

technical field

The invention relates to a winding frame, in particular to a tensioning device for a winding frame and a winding frame using the device.

Background technique

A winding machine is a device that winds a wire-like object onto a specific workpiece, usually used for copper wire winding.

The Chinese patent with the publication number CN203624718U discloses a small semi-automatic winding device, which includes a pay-off frame, a length measuring mechanism, a wire arrangement mechanism, a thread cutter and a winding mechanism arranged sequentially from front to back; the winding mechanism includes winding A wire frame and a cantilevered bobbin supported thereon and a bobbin installed on the bobbin, the bobbin includes an inner baffle, an outer baffle and at least 3 parallel to the bobbin Tension tiles; the winding shaft is driven by a motor. However, when the motor stops driving the winding shaft to rotate, the pay-off frame will release part of the wire due to inertia, and at this time the winding shaft stops rotating, and the excess wire will not be wound on the winding shaft, causing excess wire to accumulate in the winding shaft. In the device, the redundant wire will be wound on the winding shaft or the pay-off stand when the next winding is performed, which is not conducive to the next winding operation.

Contents of the invention

The object of the present invention is to provide a tensioning device for a bobbin, which has the advantage of tensioning redundant wires.

The above-mentioned technical purpose of the present invention is achieved by the following technical solutions: a tensioning device for a winding frame, including a support shaft erected on the upper end of the winding shaft through a stand and a guide wheel arranged on the body, the support shaft A connecting rod is provided through the sleeve, and the end of the connecting rod away from the supporting shaft is rotatably connected with a tensioning wheel, and the guide wheel guides the wire on the tensioning wheel to the winding shaft, and the tensioning wheel is located between the guiding wheel and the winding shaft Between, the support shaft is connected with the stand in rotation, when the support shaft rotates to make the tension wheel move toward the direction of the guide wheel, the stand is provided with a stop bar that restricts the rotation of the support shaft, and the support shaft is provided with A stopper matched with the stopper rod, the sleeve is provided with a counterweight to move the connecting rod away from the guide wheel, when the counterweight drives the support shaft to rotate to tighten the excess wire, the stand will There is a baffle that restricts the movement of the counterweight.

By adopting the above technical scheme, the wire before entering the winding shaft is first wound on the tensioning wheel, and then wound on the winding shaft through the guide wheel. At this time, the rotation of the winding shaft drives the wire to be transmitted on the tensioning wheel and the guiding wheel. At this time The pulling force of the wire drives the tension wheel to move towards the guide wheel until the stopper is in conflict with the stop rod, which restricts the movement of the tension wheel. When the winding shaft stops rotating, the force exerted by the line on the tension wheel and the guide wheel decreases. , at this time, the counterweight will drive the connecting rod to rotate away from the guide wheel, so that the distance between the tensioning wheel and the guide wheel will increase, which will help the tensioning wheel to tension the excess wire until the counterweight and the baffle conflict , the rotation of the connecting rod is limited at this time, until the winding shaft starts to rotate again, the line between the tensioning wheel and the guide wheel is wound up on the winding shaft, and the connecting rod is moved to the direction of the guiding wheel, which is easy to operate.

The present invention further assumes that: the sleeve is slidably connected to the support shaft, and a plurality of locking bolts are threaded on the sleeve, and the locking bolts pass through the sleeve and interfere with the support shaft.

By adopting the above technical solution, the position of the moving sleeve on the support shaft can be adjusted so that the position of the tensioning wheel can be adjusted, so that the wire can be better transmitted to the guide wheel to meet the requirements of use, and the sleeve can be fixed by locking bolts different locations.

The present invention is further set as: the tension wheel is provided with a wire slot for the wire to pass through, and the connecting rod is provided with an arc-shaped plate that cooperates with the tension wheel above the tension wheel, and the arc-shaped plate is located on the wire above the notch of the slot.

By adopting the above technical solution, the arc-shaped plate restricts the wire from moving out of the wire groove, makes the wire stable in the wire groove, and facilitates wire transmission.

The present invention is further provided that: the baffle is slidably connected to the stand along the axial direction of the support shaft, the baffle is driven by a cylinder fixed on the stand, and There are steps on the side.

By adopting the above-mentioned technical scheme, when the cylinder drives the baffle to move on the stand, the position where the counterweight is in contact with the step surface is changed, and the rotation angle of the connecting rod is changed, thereby increasing the distance between the tension wheel and the guide wheel. The distance between them allows the tension wheel to accumulate more wire.

The present invention further assumes that: rubber pads are provided on the step surface.

By adopting the above technical solution, the arrangement of the rubber pad reduces the impact force between the counterweight and the step surface, and reduces the noise generated when the counterweight hits the step surface.

The present invention is further set as: the counterweight is provided with several placement boxes on the side away from the baffle, and several placement boxes are distributed along the length direction of the baffle, and a weighting block is placed in the placement box, and the placement The box is provided with a limiting piece that restricts the weighted block from moving out of the box.

By adopting the above-mentioned technical scheme, the placement boxes distributed along the length direction of the baffle are convenient for the weight blocks to be placed in different placement boxes according to the needs. At this time, the weight of the weight blocks is changed, and the rotation speed of the connecting rod is changed at the same time, and the weight is increased. Increase the force of the tension wheel to drive the tension of the line, which is beneficial to the tension of the line.

The present invention further assumes that: the limiting member is a magnet embedded in the bottom of the storage box, and the side of the weighting block that conflicts with the bottom of the storage box is embedded with an iron block that cooperates with the magnet.

By adopting the above-mentioned technical scheme, the weighting block is fixed in the placement box through the suction force of the magnet to the iron block. convenient.

The present invention is further set as: a plurality of fixed rods are evenly arranged on the connecting rod along the length direction of the connecting rod, the bearing of the tensioning wheel is connected on the fixed rod, and the fixed rod is threaded to limit the tension wheel to be fixed. Lock nut moving on rod.

By adopting the above technical solution, the fixed rod can change the connection position of the tension wheel and the connecting rod, and then change the height position of the tension wheel, and can adjust the position of the tension wheel according to the tension of the wire to meet the needs of use.

Another object of the present invention is to provide a winding frame, including the tensioning device of the above-mentioned winding frame.

By adopting the above-mentioned technical solution, when the bobbin winding shaft stops rotating, the extra thread is tensioned by the tensioning device, which reduces the accumulation of the thread on the bobbin frame.

In summary, the present invention has the following beneficial effects: by setting the tensioning wheel above the winding shaft, when the winding shaft stops rotating, the counterweight drives the connecting rod to rotate away from the guide wheel, and at this time the tensioning wheel moves away from the guide wheel. The direction of the guide wheel moves, increasing the distance between the guide wheel and the tension wheel, and then the redundant wire is tensioned between the guide wheel and the tension wheel.

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

Fig. 2 is the structural representation of embodiment 1;

Fig. 3 is a partially enlarged schematic diagram of part A in Fig. 2;

Fig. 4 is the structural representation of embodiment 2;

Fig. 5 is a partially enlarged schematic diagram of part B in Fig. 4;

Fig. 6 is a partially enlarged schematic diagram of part C in Fig. 4;

Fig. 7 is a schematic diagram showing the connection relationship between the weight block and the placement box in Embodiment 2.

Among the figure, 1, body; 11, guide wheel; 2, stand; 21, support shaft; 211, block; 22, sleeve; 221, counterweight; 222, locking bolt; 223, placement box; 224 , weight block; 225, magnet; 226, iron block; 23, connecting rod; 231, fixed rod; 232, lock nut; 24, tensioning wheel; 261, step surface; 262, rubber pad; 27, curved plate; 28, cylinder; 3, winding shaft; 31, motor.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Embodiment 1: A tensioning device for a winding frame, as shown in Figures 1 and 2, includes a support shaft 21 erected on the upper end of the winding shaft 3 through a stand 2 and a guide wheel 11 arranged on the body 1, and the support shaft 21 Rotately connected with the stand 2, the axis of the support shaft 21 is set parallel to the axis of the winding shaft 3, the support shaft 21 is provided with a connecting rod 23 through the sleeve 22, and the end of the connecting rod 23 away from the support shaft 21 is rotatably connected with a tensioning wheel 24 , the axis of the tensioning wheel 24 is parallel to the axis of the winding shaft 3, and the guide wheel 11 guides the wire on the tensioning wheel 24 to the winding shaft 3, and the tensioning wheel 24 is located between the guiding wheel 11 and the winding shaft 3. Wheel 24, guide wheel 11 and bobbin 3 are triangular distribution. When the bobbin 3 is driven by the motor 31 fixed on the stand 2, the bobbin 3 drives the line to be transmitted on the tension wheel 24 and the guide wheel 11, and the tension of the line drives the tension wheel 24 to the direction of the guide wheel 11. Move, as shown in Figure 3, the stand 2 is provided with a stop bar 25 that limits the rotation of the support shaft 21, and the support shaft 21 is provided with a stopper 211 that cooperates with the stop bar 25. When the support shaft 21 rotates and tightens the excess wire , the stop block 211 interferes with the stop rod 25 and limits the rotation of the support shaft 21 .

As shown in Fig. 1, when the bobbin 3 stops rotating, the force exerted by the line on the tension wheel 24 and the guide wheel 11 decreases, and at this moment, the sleeve 22 is provided with a matching device for moving the connecting rod 23 away from the guide wheel 11. The weight 221 , when the counterweight 221 drives the support shaft 21 to rotate through a certain angle, the stand 2 is provided with a baffle 26 that restricts the movement of the counterweight 221 . The distance between the tension wheel 24 and the guide wheel 11 is increased, which is beneficial to the tension wheel 24 to tension the excess wire until the bobbin 3 starts to rotate again, and the wire between the tension wheel 24 and the guide wheel 11 is rewound On the bobbin 3, and make the connecting rod 23 move toward the direction of the guide wheel 11, easy to operate.

As shown in Figure 1, in addition, the sleeve 22 can be slidably connected to the support shaft 21 to facilitate the replacement of the tensioning wheel 24 on the sleeve 22. Two locking bolts 222 are threaded on the sleeve 22, and the two locking bolts 222 are located on both sides of the counterweight 221 , and the locking bolts 222 pass through the sleeve 22 and interfere with the support shaft 21 , so that the position of the sleeve 22 on the support shaft 21 is fixed.

Specific mode of operation: when the motor 31 drives the winding shaft 3 to rotate, the winding shaft 3 gradually winds the wire. At this time, the wire is in the process from the tensioning wheel 24, the guide wheel 11 to the winding shaft 3, and the pulling force of the line drives the tensioning wheel 24. Move towards the direction of the guide wheel 11 until the stopper 211 interferes with the stopper rod 25, limiting the movement of the tension wheel 24. When the bobbin 3 stops rotating, the force applied by the line to the tension wheel 24 and the guide wheel 11 decreases At this time, the counterweight 221 will drive the connecting rod 23 to rotate away from the direction of the guide wheel 11, so that the distance between the tension wheel 24 and the guide wheel 11 will increase, which will help the tension wheel 24 to tension the excess wire until the matching The weight 221 is in conflict with the baffle plate 26 until the winding shaft 3 starts to rotate again, and the line between the tensioning wheel 24 and the guide wheel 11 is wound up on the winding shaft 3, and the connecting rod 23 is moved toward the direction of the guiding wheel 11, Easy to operate.

Embodiment 2: A tensioning device for a winding frame, the difference from Embodiment 1 is that, as shown in Figure 4 and Figure 5, in order to make the wire better transmitted on the tensioning wheel 24, the tensioning wheel 24 is provided with a wire groove 241 for the wire to pass through, and the connecting rod 23 is provided with an arc-shaped plate 27 cooperating with the tension pulley 24 above the tension pulley 24, and the arc-shaped plate 27 is positioned above the notch of the wire groove 241. The shaped plate 27 restricts the wire from moving out from the wire groove 241 .

As shown in Figure 4, when it is necessary to change the adjustment range of the distance between the tension wheel 24 and the guide wheel 11, the baffle plate 26 is slidably connected to the stand 2 along the axial direction of the support shaft 21, and the baffle plate 26 is fixed on the stand Driven by the cylinder 28 on the frame 2, the baffle plate 26 is provided with a step surface 261 on the side that conflicts with the counterweight 221. When the cylinder 28 drives the baffle plate 26 to move on the stand 2, the counterweight 221 can touch the step surface. 261 are in conflict with each other, and the distance between the tension wheel 24 and the guide wheel 11 can be increased or decreased as required.

As shown in Figure 6, when the counterweight 221 is in conflict with the stepped surface 261, a rubber pad 262 is provided on the stepped surface 261, and the setting of the rubber pad 262 reduces the impact force between the counterweight 221 and the stepped surface 261, and reduces The noise generated when the counterweight 221 hits the step surface 261 is eliminated.

As shown in Fig. 4 and Fig. 7, according to the winding speed of the wire, the rotation speed of the connecting rod 23 can be changed. At this time, it is necessary to be provided with some placing boxes 223 on the side of the counterweight 221 away from the baffle plate 26, and several placing boxes 223 Distributed along the length direction of the baffle plate 26, a weight block 224 is placed in the placement box 223, and the weight block 224 is placed in the placement box 223, so that the weight of the counterweight block 221 is increased, and the rotation speed of the connecting rod 23 is changed. The same weight block 224 is placed in the placement box 223 at different positions, and the speed at which the connecting rod 23 rotates can also be changed. In order to fix the weight block 224 in the placement box 223, a magnet 225 is embedded in the bottom of the placement box 223, and the side where the weight block 224 is in contact with the bottom of the placement box 223 is embedded with an iron block 226 that cooperates with the magnet 225 , by the suction force of magnet 225 to iron block 226, weight block 224 is fixed in placing box 223, when needing to take out weight block 224, only need overcome magnet 225 for the suction force of iron block 226 just, easy to operate.

As shown in Fig. 4 and Fig. 5, when the bobbin 3 was winding different lines, the tension of the lines should be adjusted according to the different needs of the lines. At this time, the connecting rod 23 was evenly provided with several fixed rods 231 along the length direction of the connecting rod 23. Tension pulley 24 bearings are connected on the fixed bar 231, change the connection position of tension pulley 24 and connecting rod 23 at this moment, and then change the height position of tension pulley 24, can adjust the position of tension pulley 24 according to the tension force of line, Satisfying the use, in addition, the fixed rod 231 is threaded with a lock nut 232 that restricts the movement of the tension wheel 24 on the fixed rod 231. The lock nut 232 has fixed the position of the tension wheel 24 on the fixed rod 231. At this time, the arc Shaped plate 27 is fixed on the fixed rod 231.

Embodiment 3: a winding frame, which differs from Embodiment 1 in that it includes Embodiment 1 or Embodiment 2 above.

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment without creative contribution as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

Claims (7)

1. a kind of tensioning apparatus of bobbin winder bracket, it is characterised in that: the branch including being erected at roll (3) upper end by stand (2) The directive wheel (11) for supportting axis (21) and being arranged on body (1), the support shaft (21) are equipped with connecting rod by sleeve (22) (23), the connecting rod (23) is rotatably connected to tensioning wheel (24) far from the one end of support shaft (21), and the directive wheel (11) will Line on tensioning wheel (24) is oriented to roll (3), and the tensioning wheel (24) is located between directive wheel (11) and roll (3), institute It states support shaft (21) and stand (2) to be rotatablely connected, when support shaft (21) rotate so that tensioning wheel (24) is to directive wheel (11) direction When mobile, the stand (2) is equipped with the bar (25) of limitation support shaft (21) rotation, and the support shaft (21) is equipped with and gear The block (211) of bar (25) cooperation, the sleeve (22), which is equipped with, makes connecting rod (23) to far from the movement of directive wheel (11) direction Clump weight (221) set on the stand (2) after clump weight (221) driving support shaft (21) rotation tenses extra line The mobile baffle (26) of restricted clump weight (221)；Sleeve (22) sliding is connected on support shaft (21), the sleeve (22) it is threaded on several clamping screws (222), the clamping screw (222) passes through sleeve (22) and supports with support shaft (21) Touching；The baffle (26) is connected on stand (2) along the axis direction sliding of support shaft (21), and the baffle (26) is by being fixed on Cylinder (28) driving in stand (2), the baffle (26) are equipped with step surface (261) in the side contradicted with clump weight (221).

2. the tensioning apparatus of bobbin winder bracket according to claim 1, it is characterised in that: offer confession on the tensioning wheel (24) The metallic channel (241) that line passes through, the connecting rod (23) are equipped with the arc cooperated with tensioning wheel (24) above tensioning wheel (24) Plate (27), the arc panel (27) are located above the notch of metallic channel (241).

3. the tensioning apparatus of bobbin winder bracket according to claim 1, it is characterised in that: the step surface (261) is equipped with rubber Rubber mat (262).

4. the tensioning apparatus of bobbin winder bracket according to claim 1, it is characterised in that: the clump weight (221) is away from gear The side of plate (26) is equipped with several holders (223), and several holders (223) are distributed along the length direction of baffle (26), It is placed with weight (224) in the holder (223), limitation weight (224) removal is equipped in the holder (223) and is put Set the locating part in box (223).

5. the tensioning apparatus of bobbin winder bracket according to claim 4, it is characterised in that: the locating part is to be embedded in holder (223) side that the magnet (225) of cassette bottom, the weight (224) and holder (223) cassette bottom contradict is embedded with and magnet (225) iron block (226) cooperated.

6. the tensioning apparatus of bobbin winder bracket according to claim 1, it is characterised in that: along connecting rod on the connecting rod (23) (23) length direction is uniformly provided with several fixed links (231), and tensioning wheel (24) bearing is connected on fixed link (231), The locking nut (232) that restricted tensioning wheel (24) moves on fixed link (231) is threadedly coupled on the fixed link (231).

7. a kind of bobbin winder bracket, it is characterised in that: the tensioning dress including bobbin winder bracket described in any one of the claims 1-6 It sets.