CN216242093U - Wrist bending machine and driving mechanism thereof - Google Patents

Abstract

The utility model discloses a wrist bending machine and a driving mechanism thereof, wherein the driving mechanism comprises an upper shaft, a lower shaft, a middle shaft, a motor and a synchronous belt, wherein the lower shaft and the middle shaft are both positioned below the upper shaft and are respectively arranged at two sides of the upper shaft, the motor is fixedly connected with the middle shaft, the synchronous belt is in an inverted T shape and sequentially bypasses the upper shaft, the lower shaft and the middle shaft, so that the arrangement position of the motor can be changed by changing the arrangement mode of the synchronous belt, the gravity center of the whole machine is deviated, the operation space at the front side of the whole machine is enlarged, the influence of the motor on the use of a bedplate is avoided, and the operation of a user is convenient.

Description

Wrist bending machine and driving mechanism thereof

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a wrist bending machine and a driving mechanism thereof.

Background

The wrist bending machine can be used for sewing from medium-thick materials to extremely-thick materials, such as windcheaters, jeans, raincoats, tents and the like,

the driving mechanism of the existing wrist bending machine comprises an upper shaft and a lower shaft, wherein the upper shaft is arranged on an upper section of a machine shell, the lower shaft is arranged on a lower section of the machine shell, the upper shaft is connected with a motor through a coupler, and the upper shaft transmits power to the lower shaft by a transmission belt. The upper shaft is provided with a driving belt wheel, the lower shaft is provided with a driven belt wheel, the middle shaft positioned at the corner is provided with an intermediate belt wheel, and the synchronous belt sequentially bypasses the driving belt wheel, the driven belt wheel and the intermediate belt wheel to realize power transmission.

However, due to the limitation of the arrangement of the existing synchronous belt, the motor mounted on the upper shaft may cause the center of the whole machine to be deviated, so that the use space of the bedplate is limited, and the housing of the synchronous belt may reduce the operation space at the front side of the whole machine due to the poor arrangement of the synchronous belt, so that the operation of the user is affected.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a wrist bending machine and a driving mechanism thereof, in which a synchronous belt is in an inverted T shape and sequentially bypasses an upper shaft, a lower shaft and a middle shaft, the middle shaft is located below the upper shaft and is connected to a motor, the arrangement position of the motor is changed, the influence on a platen and the front side of the whole machine is avoided, and the operation by a user is facilitated.

The utility model provides a driving mechanism of a wrist bending machine, which comprises:

an upper shaft;

the lower shaft and the middle shaft are positioned below the upper shaft and respectively arranged at two sides of the upper shaft;

the motor is fixedly connected with the intermediate shaft;

the synchronous belt sequentially bypasses the upper shaft, the lower shaft and the middle shaft and is of an inverted T-shaped structure.

Preferably, the intermediate shaft is located on the rear side of the lower shaft.

Preferably, the center lines of both the lower and intermediate shafts are coplanar.

Preferably, the device further comprises an idler wheel which is rotatably arranged, is used for winding the synchronous belt and is used for bending the synchronous belt wound between the upper shaft and the lower shaft to form a right angle.

Preferably, the device also comprises a base, and the idler wheel is hinged on a supporting shaft arranged on the base.

Preferably, the device further comprises a tension pulley which abuts against the synchronous belt wound between the upper shaft and the intermediate shaft and is used for tensioning the synchronous belt.

Preferably, the tension pulley abuts against an outer side of the timing belt.

Preferably, the device also comprises an adjusting frame which is arranged on the base in a sliding manner, is connected with the tensioning wheel and is used for adjusting the position of the tensioning wheel, and a locking screw is arranged between the adjusting frame and the base.

Preferably, the upper shaft is fixedly provided with an upper shaft belt wheel, the lower shaft is fixedly provided with a lower shaft belt wheel, the intermediate shaft is fixedly provided with an intermediate belt wheel, and the synchronous belt sequentially bypasses the upper shaft belt wheel, the idle wheel, the lower shaft belt wheel, the intermediate belt wheel and the tension wheel.

The utility model provides a wrist bending machine which comprises the driving mechanism.

Compared with the background technology, the driving mechanism of the wrist bending machine provided by the utility model comprises an upper shaft, a lower shaft, a middle shaft, a motor and a synchronous belt, wherein the lower shaft and the middle shaft are both positioned below the upper shaft and are respectively arranged at two sides of the upper shaft, the motor is fixedly connected with the middle shaft, the synchronous belt is in an inverted T shape and sequentially bypasses the upper shaft, the lower shaft and the middle shaft, so that the arrangement position of the motor can be changed by changing the arrangement mode of the synchronous belt, the gravity center of the whole machine is deviated, the operation space at the front side of the whole machine is increased, the motor is prevented from influencing the use of a bedplate, and the operation of a user is facilitated.

The wrist bending machine provided by the utility model comprises the driving mechanism and has the same beneficial effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a structural diagram of a driving mechanism of a wrist bending machine according to an embodiment of the present invention.

The reference numbers are as follows:

the device comprises an upper shaft 1, an upper shaft belt pulley 2, a synchronous belt 3, an idler pulley 4, a lower shaft 5, a lower shaft belt pulley 6, an intermediate shaft 7, an intermediate belt pulley 8, a motor 9 and a tension pulley 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Referring to fig. 1, fig. 1 is a structural diagram of a driving mechanism of a wrist bending machine according to an embodiment of the present invention.

The embodiment of the utility model discloses a driving mechanism of a wrist bending machine, which has the key improvement point that the arrangement mode of a synchronous belt 3 is changed, so that the setting position of a motor 9 is changed, and the operation of a user is facilitated.

The driving mechanism of the wrist bending machine comprises an upper shaft 1, a lower shaft 5, an intermediate shaft 7, a motor 9 and a synchronous belt 3, wherein the lower shaft 5 and the intermediate shaft 7 are both positioned below the upper shaft 1, the lower shaft 5 and the intermediate shaft 7 are respectively arranged at two sides of the lower shaft 5, the upper shaft 1 is arranged at the upper section of a machine shell, the lower shaft 5 is arranged at the lower section of the machine shell, and the structure, the working principle and the installation mode of the upper shaft 1 and the lower shaft 5 can refer to the prior art. The motor 9 is fixedly connected with the intermediate shaft 7 through a coupler, the synchronous belt 3 sequentially bypasses the upper shaft 1, the lower shaft 5 and the intermediate shaft 7, and the upper shaft 1, the lower shaft 5 and the intermediate shaft 7 are all provided with belt wheels, and the following contents can be referred to.

Therefore, the arrangement mode of the synchronous belt 3 is changed by changing the arrangement position of the intermediate shaft 7, so that the whole synchronous belt 3 is in an inverted T shape, as shown in the attached drawing 1, the arrangement position of the motor 9 is changed, the center of gravity of the motor 9 is deviated, the operation space on the front side of the whole machine is enlarged, the motor 9 is prevented from influencing the use of the bedplate, and the operation of a user is facilitated.

All the orientation words in the text are based on the current view of the attached drawing 1, the lower shaft 5 is positioned at the front side of the upper shaft 1, the middle shaft 7 is positioned at the rear side of the lower shaft 5, so that the wound synchronous belt 3 is ensured to be in an inverted T shape, and the gravity center of the whole machine is lowered. In order to make the arrangement mode of the synchronous belt 3 better, the central lines of the lower shaft 5 and the intermediate shaft 7 are coplanar, so that the bottom of the synchronous belt 3 is horizontal, and power transmission is facilitated.

The driving mechanism provided by the utility model further comprises an idler pulley 4, wherein the idler pulley 4 can be rotatably arranged and used for winding the synchronous belt 3, so that the synchronous belt 3 wound between the upper shaft 1 and the lower shaft 5 is bent to be in a right-angle shape, the arrangement mode of the synchronous belt 3 is changed by additionally arranging the idler pulley 4, and the condition is provided for the synchronous belt 3 to be in an inverted T shape. It should be noted that the idler pulley 4 abuts against the outside of the timing belt 3, ensuring that the timing belt 3 is inverted T-shaped.

The driving mechanism provided by the utility model further comprises a base, and the structure of the base can refer to the prior art. The base is integrally provided with a support shaft, and the idler pulley 4 is hinged to the support shaft, so that the idler pulley 4 rotates around the support shaft. Of course, the installation manner of the idler pulley 4 is not limited to this, for example, the idler pulley 4 may also be hinged on a support frame, and the support frame may be fixed on the base.

The driving mechanism provided by the utility model further comprises a tension pulley 10, wherein the tension pulley 10 abuts against the synchronous belt 3 wound between the upper shaft 1 and the intermediate shaft 7, is used for adjusting the tension degree of the synchronous belt 3, and is also used for changing the arrangement mode of the synchronous belt 3 together with the idler pulley 4. It should be noted that the tension pulley 10 also abuts against the outer side of the timing belt 3, and the timing belt 3 is ensured to have an inverted T shape.

The driving mechanism provided by the utility model further comprises an adjusting frame which is slidably arranged on the base and connected with the tension pulley 10, a sliding rail and a sliding groove which are matched with each other are arranged between the adjusting frame and the base, the position of the tension pulley 10 is changed by changing the position of the adjusting frame, and then the acting force applied to the synchronous belt 3 by the tension pulley 10 is changed. And a locking screw is arranged between the adjusting frame and the base, and after the tensioning wheel 10 completes adjustment, the locking screw is screwed down, the tail part of the locking screw is abutted against the base, so that the adjusting frame is prevented from sliding relative to the base, and the adjusting frame is fixed. Of course, the adjustment of the tensioner 10 is not limited thereto.

The upper shaft 1 is fixedly provided with an upper shaft belt wheel 2, the lower shaft 5 is fixedly provided with a lower shaft belt wheel 6, the intermediate shaft 7 is fixedly provided with an intermediate belt wheel 8, the synchronous belt 3 sequentially bypasses the upper shaft belt wheel 2, the idle wheel 4, the lower shaft belt wheel 6, the intermediate belt wheel 8 and the tension wheel 10, and the intermediate belt wheel 8 is a driving wheel, so that the synchronous belt 3 drives the wheels to synchronously rotate to realize power transmission.

It should be noted that, if only from the viewpoint of power transmission, the motor 9 may be disposed on the upper shaft 1, the lower shaft 5 or the rotating shaft hinged to the idle gear 4, and still make the synchronous belt 3 in an inverted T shape.

The utility model also discloses a wrist bending machine which comprises the driving mechanism and has the same beneficial effects.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a actuating mechanism of bent wrist machine which characterized in that includes:

an upper shaft (1);

the lower shaft (5) and the middle shaft (7) are positioned below the upper shaft (1) and are respectively arranged on two sides of the upper shaft (1);

the motor (9) is fixedly connected with the intermediate shaft (7);

the synchronous belt (3) sequentially bypasses the upper shaft (1), the lower shaft (5) and the intermediate shaft (7) and is of an inverted T-shaped structure.

2. The drive mechanism of the wrist bending machine according to claim 1, wherein the intermediate shaft (7) is located at a rear side of the lower shaft (5).

3. Drive mechanism of a wrist bending machine according to claim 1, characterized in that the centre lines of both the lower shaft (5) and the intermediate shaft (7) are coplanar.

4. The driving mechanism of the wrist bending machine according to claim 1, further comprising an idler pulley (4) rotatably disposed and used for winding the synchronous belt (3) and bending the synchronous belt (3) wound between the upper shaft (1) and the lower shaft (5) into a right angle shape.

5. The drive mechanism of the wrist bending machine according to claim 4, further comprising a base, wherein the idler pulley (4) is hinged on a support shaft arranged on the base.

6. The drive mechanism of the wrist bending machine according to claim 5, further comprising a tension pulley (10) abutting against a timing belt (3) wound between the upper shaft (1) and the intermediate shaft (7) and tensioning the timing belt (3).

7. The drive mechanism of the wrist bending machine according to claim 6, wherein the tension pulley (10) abuts against an outer side of the timing belt (3).

8. The driving mechanism of the wrist bending machine according to claim 6, further comprising an adjusting bracket slidably disposed on the base and connected to the tension wheel (10) for adjusting the position of the tension wheel (10), wherein a locking screw is disposed between the adjusting bracket and the base.

9. The driving mechanism of a wrist bending machine according to claim 6, wherein an upper shaft pulley (2) is fixed on the upper shaft (1), a lower shaft pulley (6) is fixed on the lower shaft (5), an intermediate pulley (8) is fixed on the intermediate shaft (7), and the synchronous belt (3) sequentially bypasses the upper shaft pulley (2), the idle pulley (4), the lower shaft pulley (6), the intermediate pulley (8) and the tension pulley (10).

10. A wrist bending machine comprising the drive mechanism of any one of claims 1 to 9.

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