CN216705520U - Wire folding and winding drum - Google Patents

Abstract

The utility model relates to the technical field of watch processing equipment, and particularly discloses a wire folding and winding cylinder for winding finished watch hairspring wires, which comprises a cylinder body, a base plate, a height adjusting plate and a wire winding fixing piece, wherein a partition plate is arranged in the circumferential plane of the cylinder body in the inner cavity of the cylinder body, and an eccentric hole for penetrating a winding shaft is formed in the partition plate; the substrate is fixed on the ring side surface of the cylinder body; the height adjusting plate is arranged on the base plate and is adjustable relative to the height of the connecting part of the base plate and the cylinder body; the winding fixing piece is arranged on one end face of the barrel body. Above-mentioned wire winding section of thick bamboo, the flat filament is on the barrel under the combined action of heightening board and barrel to being heightened the board top and bending under tension, still can be through the silk material length of the altitude mixture control finished product balance spring of adjusting the board of heightening, its simple structure, the simple operation has reduced the balance spring and has bent the operating cost, heightens the board and bends the flat filament with the barrel cooperation, has guaranteed that the stress that each position of finished product balance spring received is unanimous, has reduced the control degree of difficulty of balance spring size.

Description

Wire folding and winding drum

Technical Field

The utility model relates to the technical field of watch processing equipment, in particular to a wire folding and winding barrel for winding a watch hairspring finished wire.

Background

The balance spring of watch is an elastic element for controlling balance wheel to make isochronous reciprocating movement, and is a precision component, and its comprehensive performance is very sensitive to size precision and stress. The production process of the watch hairspring mainly comprises wire drawing, wire rolling, bending, wire coiling, shaping and the like, wherein the bending process requires that rolled long flat wires are cut into wire materials with the same length according to the length requirement of the hairspring, the wire materials are folded from the middle, creases are left to enable the lengths of two sides of the wire materials to be the same, and the wire materials are conveniently plugged into a wire embedding groove of a wire coiling mandrel during subsequent wire coiling.

At present, a flat wire is usually coiled into a symmetrical I-shaped wire-coiling cylinder, and then the flat wire on the I-shaped wire-coiling cylinder is stretched, bent and cut through a special machine so as to obtain a finished wire during subsequent wire coiling.

SUMMERY OF THE UTILITY MODEL

Therefore, the wire folding take-up drum is needed to solve the technical problems that the spring bending process is complex, the production cost is high, and the size of the spring is not easy to control due to uneven stress of each part of the spring, and can realize fixed length, winding and bending of watch hairspring finished wires and conveniently cut off, and meanwhile can reduce the problem of uneven stress of each part of the finished wires.

A wire-folding take-up drum comprises:

the inner cavity of the cylinder is internally provided with a partition plate in the circumferential plane of the cylinder, and the partition plate is provided with an eccentric hole for penetrating a take-up shaft;

the base plate is fixed on the side face of the ring of the cylinder;

the height-adjusting plate is arranged on the base plate and is adjustable in height relative to the connecting part of the base plate and the cylinder; and

and the winding fixing piece is arranged on one end surface of the barrel.

In one embodiment, the ring side surface of the cylinder body is provided with at least one groove, and the groove penetrates through two end surfaces of the cylinder body.

In one embodiment, the eccentricity of the eccentric hole is delta, the distance between the connecting part of the base plate and the cylinder and the top of the height-adjusting plate is H, and delta is more than 0 and less than or equal to 1.5H.

In one embodiment, two sides of the partition board are respectively provided with an eccentric pipe which is coaxially connected and communicated with the eccentric hole.

In one embodiment, the annular side surface of the cylinder body is provided with a mounting plane, and the base plate is arranged in the mounting plane and fixedly connected with the cylinder body.

In one embodiment, the base plate is screwed, glued or welded with the cylinder; the winding fixing piece is in threaded connection, adhesive connection or welding with the end face of the barrel.

In one embodiment, the base plate comprises a first mounting plate and a second mounting plate, the first mounting plate is connected with the annular side face of the barrel, the second mounting plate is connected with the height-adjusting plate, and the included angle between the first mounting plate and the second mounting plate is 70-110 degrees.

In one embodiment, the second mounting plate or the height-adjusting plate is provided with a U-shaped groove.

In one embodiment, the wire folding and rewinding drum further comprises a locking member penetrating through the U-shaped groove on the second mounting plate and the height adjusting plate or the U-shaped groove on the height adjusting plate and the second mounting plate.

In one embodiment, the top of the height-adjusting plate is provided with an inclined wire folding surface, and the included angle between the inclined wire folding surface and the height direction of the height-adjusting plate is 30-80 degrees.

According to the wire folding take-up cylinder, the eccentric hole is formed in the partition plate, after the cylinder body is arranged on the take-up shaft of an external take-up machine in a penetrating mode, the cylinder body rotates at a uniform angle speed under the driving of the take-up shaft, the flat wire with one end tied to the wire winding fixing piece is wound on the cylinder body under the combined action of the height adjusting plate and the cylinder body, meanwhile, the flat wire is bent by the top of the height adjusting plate under the tension effect, and therefore bending operation of the balance spring is achieved.

Drawings

FIG. 1 is a schematic structural view of a wire folding take-up drum according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a wire folding take-up drum according to an embodiment of the present invention;

FIG. 3 is a partially enlarged view of the portion A in the embodiment of FIG. 2;

FIG. 4 is a schematic structural view of a cartridge in an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a cartridge according to an embodiment of the present invention;

FIG. 6 is a schematic view of a substrate from a perspective in accordance with an embodiment of the present invention;

FIG. 7 is a schematic view of a substrate under different angles according to an embodiment of the present invention;

FIG. 8 is a schematic view of an embodiment of the utility model from a perspective of the leveling plate;

FIG. 9 is a schematic view of an embodiment of the utility model from a perspective of an elevation plate;

fig. 10 is a schematic structural view of the height-adjusting plate in the embodiment of fig. 9 from another perspective.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1, 2 and 3, the present invention discloses a wire folding and winding drum 10 capable of fixing, winding, bending and conveniently cutting off a watch hairspring finished wire, and reducing the problem of uneven stress on each part of the finished wire, wherein the wire folding and winding drum 10 includes a drum body 100, a base plate 200, a height-adjusting plate 300 and a wire winding fixing member 400, wherein a partition plate 500 is disposed in a circumferential plane of the drum body 100 in an inner cavity of the drum body 100, an eccentric hole 110 for passing a wire winding shaft is disposed on the partition plate 500, specifically, the partition plate 500 is parallel to two side end faces of the drum body 100, and a vertical cross section of the drum body 100 is in an i-shaped structure. Preferably, the partition 500 is installed in the middle of the inner cavity of the cylinder 100, that is, the partition 500 is installed at the half height of the cylinder 100 on the cylinder 100, so that when the cylinder 100 is threaded through the eccentric hole 110 on the take-up shaft of the external take-up machine, the weight of the two sides of the partition 500 is the same, and the cylinder 100 is prevented from shaking in the rotating process. The base plate 200 is fixed on the ring side surface of the cylinder 100 and used for positioning and installing the height-adjusting plate 300; the height-adjusting plate 300 is mounted on the base plate 200 and is adjustable in height relative to the connecting portion between the base plate 200 and the barrel 100, on one hand, the height-adjusting plate 300 is used for tensioning the flat wire together with the annular side face of the barrel 100 to bend the flat wire, on the other hand, the height-adjusting plate 300 is also used for controlling the length of the finished wire, and particularly, the bent portion of the flat wire is controlled by adjusting the height of the height-adjusting plate 300, so that the purpose of controlling the length of the finished wire is achieved. The winding fixing member 400 is installed on an end surface of the barrel 100, and is used for fixing one end of the flat wire to be bent, so as to prevent the flat wire from slipping.

The cylinder 100 is provided at least one groove 120 at a side surface of the ring, and the groove 120 penetrates both end surfaces of the cylinder 100. In this embodiment, by forming the groove 120 on the side of the ring of the barrel 100, the groove 120 provides an insertion position for a cutting tool, and when the flat wire needs to be cut, the cutting tool is inserted into the groove 120, so that the flat wire wound on the barrel 100 and passing through the notch of the groove 120 can be cut. In the present embodiment, the extending direction of the groove 120 is parallel to the length direction of the barrel 100, so as to ensure that the length of the finished wire obtained after cutting the flat wire is consistent.

In one embodiment, the eccentricity of the eccentric hole 110 is δ, the distance between the connecting portion of the base plate 200 and the cylinder 100 and the top of the height-adjusting plate 300 is H, which can also be understood as the total height of the height-adjusting plate 300, and in this embodiment, δ is set to 0 < δ ≦ 1.5H. The partition plate 500 is provided with the eccentric hole 110, and the relation between the eccentric distance and the total height of the height-adjusting plate 300 is limited, so that when the barrel 100 rotates along with the take-up shaft, the tension of the flat wire at each position on the barrel 100 tends to be consistent, and the problem of deformation caused by uneven stress distribution of each part is avoided. Further, the two sides of the partition plate 500 are respectively provided with an eccentric pipe 600 coaxially connected and communicated with the eccentric hole 110. In one embodiment, the eccentric tubes 600 on both sides of the partition 500 are integrally formed. In another embodiment, the edges of the two sides of the eccentric hole 110 extend towards the direction far away from the center of the cylinder 100 respectively, so as to form the eccentric tube 600, the eccentric tube 600 is used for guiding and limiting the take-up shaft, when the cylinder 100 is arranged on the take-up shaft through the eccentric hole 110, the inner surface of the eccentric tube 600 is abutted against the outer surface of the take-up shaft, so as to prevent the cylinder 100 from shaking relative to the take-up shaft in the process of rotating under the driving of the take-up shaft, and thus, the reliability of the balance spring winding is ensured.

Referring to fig. 4 and 5, a mounting plane 130 is disposed on a side surface of the cylinder 100, and the substrate 200 is disposed in the mounting plane 130 and fixedly connected to the cylinder 100. By arranging the mounting plane 130 on the side surface of the cylinder 100, the substrate 200 can be attached to the outer surface of the cylinder 100 conveniently, the contact area between the substrate 200 and the cylinder 100 is increased, and the connection stability between the substrate 200 and the cylinder 100 is improved.

Referring to fig. 3 and 7, the base plate 200 includes a first mounting plate 210 and a second mounting plate 220, the first mounting plate 210 is connected to the side of the ring of the cylinder 100, the second mounting plate 220 is connected to the height-adjusting plate 300, an included angle between the first mounting plate 210 and the second mounting plate 220 is between 70 to 110 degrees, fig. 7 shows a schematic structural diagram of the substrate 200 in the case that the included angle between the first mounting plate 210 and the second mounting plate 220 is 70 °, 90 ° and 110 °, by selecting the substrate 200 with different included angles, when the height-adjusting plate 300 is mounted on the second mounting plate 220 of the base plate 200, the plate-surface mounting planes 130 of the height-adjusting plate 300 form an included angle therebetween, and thus, when the top of the height-adjusting plate 300 and the barrel 100 jointly tension the flat wires, the inclination angles of the flat wires are different, in other words, the bending degrees of the flat wires are different, and the purpose of controlling the bending degrees of the flat wires can be achieved by selecting the base plates 200 with different included angles in the embodiment.

Further, referring to fig. 1 and 4, the substrate 200 is screwed, glued or welded to the cylinder 100; the winding fixture 400 is screwed, adhesively bonded, or welded to the end surface of the barrel 100. In this embodiment, the base plate 200 is in threaded connection with the barrel 100, the winding fixing member 400 is in threaded connection with the end face of the barrel 100, the mounting plane 130 is provided with a plurality of first screw holes 140 at intervals, the portion of the first mounting plate 210, which is matched with the mounting plane 130, is provided with second screw holes 211 which are in one-to-one correspondence with the first screw holes 140, and the first mounting plate 210 is fixed on the mounting plane 130 by screws. Similarly, a third screw hole is formed in the end face of the barrel 100, and an external thread matched with the third screw hole is formed in one end, adjacent to the end face of the barrel 100, of the winding fixing member 400, so that the mounting difficulty of the winding fixing member 400 is reduced, and the winding fixing member 400 can be detached. The can 100 may be made of metal, alloy or plastic, and when the substrate 200 is welded to the can 100, the can 100 is made of metal or alloy.

In one embodiment, the second mounting plate 220 or the height-adjusting plate 300 is provided with a U-shaped slot 700. Further, the wire folding and rewinding cylinder 10 further includes a locking member passing through the U-shaped groove 700 on the second mounting plate 220 and the height adjustment plate 300 or passing through the U-shaped groove 700 on the height adjustment plate 300 and the second mounting plate 220. Specifically, referring to fig. 3, 6 and 8, when the second mounting plate 220 is provided with the U-shaped groove 700, the height-adjusting plate 300 is provided with a circular hole 800 correspondingly communicated with the U-shaped groove 700, in the process of connecting the height-adjusting plate 300 and the base plate 200, the height-adjusting plate 300 is lifted to a preset height on the second mounting plate 220, and then a locking member (not shown) is inserted through the circular hole 800 and the U-shaped groove 700 and fastened to limit the relative height between the height-adjusting plate 300 and the base plate 200. When the length of the finished wire needs to be adjusted, the retaining member is loosened to release the constraint on the height-adjusting plate 300 and the base plate 200, and after the height of the height-adjusting plate 300 is adjusted, the retaining member is fastened again, so that the purpose of adjusting the total height of the height-adjusting plate 300 is achieved. In this embodiment, the retaining member also defines a sliding path for the heightening plate 300 to ensure that the circular hole 800 of the heightening plate 300 is always aligned with the U-shaped groove 700 of the second mounting plate 220. Fig. 9 shows the case that the height-adjusting plate 300 is provided with a U-shaped groove 700. in conjunction with the above discussion, when the height-adjusting plate 300 is provided with a U-shaped groove 700, the second mounting plate 220 is provided with a circular hole correspondingly communicating with the U-shaped groove 700, and the locking member is inserted through the circular hole and the U-shaped groove 700 and limits the relative position of the height-adjusting plate 300 and the base plate 200. It should be noted that, in this embodiment, the number of the U-shaped grooves 700 formed on the second mounting plate 220 or the height-adjusting plate 300 may be plural, so as to increase the contact area between the second mounting plate 220 and the height-adjusting plate 300 and improve the connection stability between the two.

Referring to fig. 10, in an embodiment, an inclined wire folding surface 310 is disposed at the top of the height-adjusting plate 300, an included angle between the inclined wire folding surface 310 and the height direction of the height-adjusting plate 300 is between 30 to 80 °, and by disposing the inclined wire folding surface 310, when a flat wire passes through the top of the height-adjusting plate 300, the flat wire is tensioned under the combined action of the height-adjusting plate 300 and the cylinder 100 and is attached to the inclined wire folding surface 310, so as to be bent.

In this embodiment, before the yarn winding operation, the components need to be assembled. Specifically, the substrate 200 and the barrel 100 are fixed first, and the fixing manner may be screw connection, glue adhesion or welding, etc. Subsequently, the base plate 200 is mounted on the height-adjusting plate 300, the relative position between the height-adjusting plate 300 and the base plate 200 is adjusted according to the length of the required finished wire, the winding fixing piece 400 is fixed with the cylinder 100, and the assembled wire folding and winding cylinder 10 is connected with a winding shaft of a winding machine, that is, the eccentric hole 110 of the cylinder 100 penetrates through the winding shaft of the winding machine. Before working, the flat wire is firstly drawn to wind 3-4 circles on the barrel 100, and then the head of the flat wire is fastened on the winding fixing piece 400, so that the metal wire is prevented from slipping and loosening due to loose winding or insufficient friction force after the equipment is started. After the wire rolling machine and the wire rewinding machine are started, the barrel 100 rotates at a uniform angular speed, the flat wire is naturally wound on the barrel 100, and meanwhile, under the action of tension, the flat wire is bent by the acute angle of the height-adjusting plate 300. After the work is finished, the wire rolling machine and the wire rewinding machine are turned off, the bending part of the flat wire is pressed and fixed by a paper sheet, the flat wire is stretched into the groove 120 on the cylinder body 100 by using scissors, and the flat wire is cut off, so that the finished wire required by wire coiling is formed.

In the wire folding and rewinding cylinder 10, the partition plate 500 is provided with the eccentric hole 110, and after the cylinder body 100 is arranged on the rewinding shaft of the external rewinding machine in a penetrating manner, the cylinder 100 is driven by the take-up shaft to rotate at uniform angular speed, a flat wire with one end tied on the winding fixing piece 400 is wound on the cylinder 100 under the combined action of the height-adjusting plate 300 and the cylinder 100, meanwhile, the flat wire is bent by the top of the height-adjusting plate 300 under the action of tension, namely, the bending operation of the balance spring is realized, the wire length of the finished balance spring can be adjusted by adjusting the height of the height-adjusting plate 300, the structure is simple, the operation is convenient and fast, the hairspring finished wire is fixed in length, wound, bent and cut conveniently, the cost of the hairspring bending operation can be obviously reduced, the height-adjusting plate 300 is matched with the barrel 100 to bend the flat hairspring, the stress on all parts of the finished hairspring is consistent, and the difficulty in controlling the size of the hairspring is reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a wire folding take-up cylinder which characterized in that includes:

the inner cavity of the cylinder is internally provided with a partition plate in the circumferential plane of the cylinder, and the partition plate is provided with an eccentric hole for penetrating a take-up shaft;

the base plate is fixed on the ring side surface of the cylinder;

the height-adjusting plate is arranged on the base plate and is adjustable in height relative to the connecting part of the base plate and the cylinder; and

and the winding fixing piece is arranged on one end surface of the barrel.

2. The wire folding take-up drum according to claim 1, wherein the annular side surface of the drum body is provided with at least one groove, and the groove penetrates through two end surfaces of the drum body.

3. The wire folding and rewinding drum according to claim 2, wherein the eccentricity of the eccentric hole is δ, the distance between the connecting part of the base plate and the drum body and the top of the height adjusting plate is H, and δ is greater than 0 and less than or equal to 1.5H.

4. The wire folding take-up drum according to claim 3, wherein two sides of the partition plate are respectively provided with an eccentric pipe coaxially connected and communicated with the eccentric hole.

5. The wire folding take-up drum according to claim 4, wherein the annular side surface of the drum body is provided with a mounting plane, and the substrate is arranged in the mounting plane and fixedly connected with the drum body.

6. The wire folding take-up drum according to claim 5, wherein the base plate is screwed, glued or welded to the drum body; the winding fixing piece is in threaded connection, adhesive connection or welding with the end face of the barrel.

7. The wire folding take-up reel of claim 6, wherein the base plate comprises a first mounting plate and a second mounting plate, the first mounting plate is connected with the annular side surface of the reel body, the second mounting plate is connected with the height-adjusting plate, and an included angle between the first mounting plate and the second mounting plate is between 70 and 110 degrees.

8. The wire folding take-up drum according to claim 7, wherein the second mounting plate or the height-adjusting plate is provided with a U-shaped groove.

9. The wire folding take-up drum according to claim 8, further comprising a locking member passing through the U-shaped groove on the second mounting plate and the height-adjusting plate or the U-shaped groove on the height-adjusting plate and the second mounting plate.

10. The wire folding take-up drum according to claim 9, wherein the top of the height-adjusting plate is provided with an inclined wire folding surface, and an included angle between the inclined wire folding surface and the height direction of the height-adjusting plate is 30-80 °.

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