CN218670476U - Transmission structure of crimping device - Google Patents

Abstract

The utility model discloses a crimping device's transmission structure belongs to mechanical transmission technical field, aims at optimizing crimping device motion structure commonly used, reduction in production's cost. The utility model comprises a shaft sleeve, a first gear and a first supporting plate; the shaft sleeve is provided with a first shaft shoulder and a second shaft shoulder, the first gear is installed on the first shaft shoulder through a flat key, and the first supporting plate is installed on the second shaft shoulder. By using the transmission technical scheme, the rotation and the telescopic motion of the crimping device can be well completed, the transmission structure of the crimping device is optimized, and the cost is reduced.

Description

Transmission structure of crimping device

Technical Field

The utility model relates to a transmission structure, more specifically say, relate to a crimping device's transmission structure.

Background

The transmission structure of the crimping device commonly used in the market at present solely comprises a rotating function and lacks a telescopic function. And a small part of the crimping device has the function of integrating rotation and extension, but the transmission structure of the crimping device generally adopts a lead screw for transmission, so that the cost is higher.

Chinese patent publication No. CN 208495666U, announcement day 2019, 2 months and 15 days, the utility model discloses a double-crimping device on a spring machine, this application discloses a double-crimping device for wire rod, it can accomplish the bending of Z-shaped wire rod structure, machining efficiency is high, but its crimping device does not contain flexible function, and wire rod machine-shaping is very single.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes a not enough of two curling devices on coiling machine provides a rotatory and flexible integrative transmission structure of curling head, accomplishes the rotatory and flexible function of curling head mainly through being connected between gear and the axle sleeve. The transmission structure is optimized, and the production cost is reduced.

In order to solve the technical problem, the utility model discloses a following technical scheme: the transmission structure of the crimping device is characterized by comprising a shaft sleeve, a first gear and a first supporting plate; the shaft sleeve is provided with a first shaft shoulder and a second shaft shoulder, the first gear is connected with the first shaft shoulder in a key mode, and the first supporting plate is installed on the second shaft shoulder. The gear is installed on the first shaft shoulder of axle sleeve through the parallel key, can drive the axle sleeve and be rotary motion together to realize the rotary motion of crimping head, first backup pad is installed on the second shaft shoulder simultaneously, and first backup pad can make the axle sleeve along axial reciprocating motion through the second shaft shoulder, thereby has realized the concertina movement of crimping head.

Preferably, the first support plate is provided with a threaded hole and connected with a first screw rod for driving the first support plate. The first supporting plate can reciprocate along the axial direction by utilizing a curling telescopic motor to drive the screw rod to rotate forwards or reversely.

Preferably, the gear box further comprises a shaft gear for driving the first gear to rotate, and the first gear is in meshed transmission with the shaft gear. The first gear can rotate forwards or backwards by utilizing the forward rotation or the reverse rotation of the driving shaft gear of the curling head rotating motor, so that the forward rotation or the reverse rotation of the shaft sleeve is realized, and the rotation of the curling device is finally realized.

Preferably, the tooth width of the shaft gear is not less than the movement stroke of the shaft sleeve. Because the first gear is arranged on the shaft sleeve, when the shaft sleeve moves along the axial direction by the first supporting plate, the shaft sleeve can drive the gear to move along the axial direction, the tooth width of the shaft gear is not less than the movement stroke of the shaft sleeve, and the curling device can be ensured to complete the telescopic movement of a certain stroke.

Preferably, the two ends of the inner part of the shaft sleeve are provided with sliding bush grooves and are provided with sliding bushes. The sliding bush is internally provided with a ball, which is beneficial to reducing the friction force when the fixed shaft moves along the inside of the shaft sleeve.

Preferably, a fixed shaft is arranged in the shaft sleeve, a third shaft shoulder is arranged at one end of the fixed shaft, a second supporting plate is arranged on the third shaft shoulder, and a threaded hole is formed in the second supporting plate and connected with a second screw rod used for driving the second supporting plate. The second screw rod is rotated forwards or reversely by using a fixed shaft telescopic motor, so that the second support plate can reciprocate along the guide post, and the telescopic motion of the fixed shaft is realized.

Preferably, the second supporting plate is provided with a plurality of guide holes, and the guide holes are connected with the guide columns. The guiding hole can guarantee that the second backup pad moves along the guide post direction, makes the fixed axle can not appear moving the deviation and harms or block unable motion to axle sleeve inner structure.

The utility model has the advantages that: (1) The transmission structure is optimized, the curling device has the functions of rotation and extension at the same time, (2) the cost is reduced, and the use of a lead screw is reduced.

Drawings

Fig. 1 is a sectional view of the present invention in practical use.

Fig. 2 is a sectional view of the shaft sleeve and the slide bush of the present invention partially installed.

Fig. 3 is a schematic view of the fixing shaft of the present invention connected to the second supporting plate.

In the figure: 1. the novel crimping head comprises a crimping head rotating motor, 2 a crimping telescopic motor, 3 a fixed shaft telescopic motor, 4 a shaft gear, 5 a first gear, 6 a first supporting plate, 7 a guide post, 8 a copper sleeve, 9 a first screw rod, 10 a second screw rod, 11 a crimping head, 12 a crimping head base, 13 a sliding bush, 14 a shell, 15 a shaft sleeve, 16 a threaded cap cake, 17 a fixed shaft, 18 a guide hole, 19 a third shaft shoulder, 20 a second supporting plate, 21 a first shaft shoulder and 22 a second shaft shoulder.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments with reference to the accompanying drawings.

The first embodiment is as follows: as shown in fig. 1 to 3, a transmission structure of a curling device comprises a shaft sleeve 15, a first gear 5, a first support plate 6; the shaft sleeve 15 is provided with a first shaft shoulder 21 and a second shaft shoulder 22, the first gear 5 is mounted on the first shaft shoulder 21 through a flat key, the first support plate 6 is mounted on the second shaft shoulder 22, and the first support plate 6 is provided with a threaded hole and connected with the first screw rod 9; the first gear 5 is in meshed transmission with the shaft gear 4, and the tooth width of the shaft gear 4 is not less than the movement stroke of the shaft sleeve. The curling head rotating motor 1 is connected with the shaft gear 4 and can drive the shaft gear 4 to rotate forwards or reversely, the shaft gear 4 is meshed with the first gear 5 and can drive the first gear 5 to rotate forwards or reversely, the first gear 5 is arranged on the shaft sleeve 15 through a flat key and drives the shaft sleeve 15 to rotate forwards or reversely, one end of the shaft sleeve 15 is fixedly provided with a curling head base 12 through a screw, and the curling head 11 is fixedly arranged on the curling head base 12, so that the forward rotation or the reverse rotation of the curling head 11 can be realized; at the same time, two threaded cap cakes 16 are arranged on the shaft sleeve 15 and block the first gear 5 from moving along the axial direction. Meanwhile, the curling telescopic motor 2 is connected with the first screw rod 9, when the curling telescopic motor 2 rotates forwards or reversely, the first supporting plate 6 can do reciprocating motion along a straight line under the action of screw rod connection, the first supporting plate 6 is arranged on the second shaft shoulder 22, and the shaft shoulder can be utilized to push the shaft sleeve 15 to do reciprocating motion along the straight line, so that the telescopic motion of the curling device is realized. When the shaft sleeve 15 performs the telescopic movement, the first gear 5 can also move along the axial direction, and in order to prevent the first gear 5 and the shaft gear 4 from being disconnected, the tooth width of the shaft gear 4 is designed to be longer and is not smaller than the movement stroke of the shaft sleeve 15.

Two ends of the inner part of the shaft sleeve 15 are provided with a sliding bush 13 groove and are provided with a sliding bush 13; a fixed shaft 17 is arranged in the shaft sleeve 15, a third shaft shoulder 19 is arranged at one end of the fixed shaft 17, a second support plate 20 is arranged on the third shaft shoulder 19, and a threaded hole is formed in the second support plate 20 and is connected with the second screw 10; the second support plate 20 is provided with a plurality of guide holes 18, and the guide holes 18 are connected with the guide posts 7. Utilize a flexible motor 3 of fixed axle to drive corotation or reversal of second screw rod 10, the rotation of screw rod is changed into the straight reciprocating motion of second backup pad 20 through the screw hole, second backup pad 20 is installed on third shoulder 19, through third shoulder 19, second backup pad 20 can drive fixed axle 17 along axle sleeve 15 internal movement, axle sleeve 15 inside both ends respectively install slip bush 13 can reduce the motion resistance of fixed axle 17 in axle sleeve 15 inside, avoid the card condition of dying, the guiding hole 18 on the second backup pad 20 is installed and can be guaranteed the motion that second backup pad 20 and fixed axle 17 can both be normal in guide post 7 simultaneously, set up copper sheathing 8 in the guiding hole 18, can reduce the resistance when second backup pad 20 moves, avoid the card condition of dying.

Use this transmission structure, can let crimping device accomplish rotation and concertina movement well, the fixed axle 17 keeps away from the draw-in groove that third axle shoulder 19 one end can set up the wire rod, and fixed axle 17 stretches out and draws back to suitable position, and the wire rod pierces into the position of draw-in groove, then the crimping head also carries out concertina movement to certain position, then rotates and curls the shaping with the wire rod, and these three movements are independent respectively, each other does not influence.

Claims (7)

1. The transmission structure of the crimping device is characterized by comprising a shaft sleeve, a first gear and a first supporting plate; the shaft sleeve is provided with a first shaft shoulder and a second shaft shoulder, the first gear is connected with the first shaft shoulder in a key mode, and the first supporting plate is installed on the second shaft shoulder.

2. A driving structure of a curling device according to claim 1, wherein the first support plate has a screw hole and is connected with a first screw for driving the first support plate.

3. A transmission structure of a curling device according to claim 1, further comprising a shaft gear for driving the first gear to rotate, wherein the first gear is in meshed transmission with the shaft gear.

4. A transmission structure of a curling device according to claim 3, wherein the width of the teeth of the shaft gear is not less than the moving stroke of the sleeve.

5. A transmission structure of a curling device according to claim 1, wherein sliding bush grooves are formed at both ends of the inside of the bush, and sliding bushes are installed.

6. A transmission structure of a curling device according to claim 1, wherein a fixing shaft is installed inside the shaft housing, a third shoulder is installed at one end of the fixing shaft, a second support plate is installed on the third shoulder, and a second screw for driving the second support plate is installed on the second support plate with a screw hole.

7. A driving structure of a curling device according to claim 6, wherein said second supporting plate is provided with a plurality of guiding holes, and the guiding holes are connected with the guiding posts.

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