CN214827580U

CN214827580U - Rotary disc driving device for plastic extrusion casting film machine

Info

Publication number: CN214827580U
Application number: CN202023238954.6U
Authority: CN
Inventors: 张军星; 白云亮; 史伟正; 陈志显
Original assignee: XINLE HUABAO PLASTIC MACHINERY CO Ltd
Current assignee: XINLE HUABAO PLASTIC MACHINERY CO Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-23
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a rotary table driving device for a plastic extrusion casting film machine, which comprises a wall plate, a rotary support arranged on the wall plate, a rotary table fixed on the rotary support and a driving device used for driving the rotary support to rotate; the rotary support comprises a rotary cylinder and a fixed disk which is sleeved outside the rotary cylinder and is rotationally connected with the rotary cylinder, the fixed disk is fixed on the wall plate, the rotary disk is fixed on the rotary cylinder, gear teeth are arranged on the outer side wall of the rotary cylinder, and the driving device is meshed with the gear teeth. The utility model discloses utilize the gyration to support and install the carousel on the wallboard, then be connected with drive arrangement through setting up the teeth of a cogwheel in the outside that the gyration was supported, realize its pivoted drive in the outer fringe that the gyration was supported.

Description

Rotary disc driving device for plastic extrusion casting film machine

Technical Field

The utility model relates to a plastics are extruded curtain coating carousel drive arrangement for film machine.

Background

In film production equipment, can often utilize the carousel rotation to drive rolling dabber etc. and move, utilize in traditional structural style to connect driving motor in the central point of carousel to realize the rotation of carousel. However, since the winding mandrel is installed at the peripheral position of the turntable and the requirement on the position accuracy of the winding mandrel is high, when a central driving mode is adopted, the error of the peripheral winding mandrel is large due to the small deflection error of the driving motor, and the positioning accuracy is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a carousel drive arrangement for cast film machine is extruded to plastics is provided, makes the carousel higher at the positioning accuracy who rotates the in-process.

The utility model adopts the technical proposal that: a rotary table driving device for a plastic extrusion casting film machine comprises a wall plate, a rotary support arranged on the wall plate, a rotary table fixed on the rotary support and a driving device for driving the rotary support to rotate;

the rotary support comprises a rotary cylinder and a fixed disk which is sleeved outside the rotary cylinder and is rotationally connected with the rotary cylinder, the fixed disk is fixed on the wall plate, the rotary disk is fixed on the rotary cylinder, gear teeth are arranged on the outer side wall of the rotary cylinder, and the driving device is matched with the gear teeth.

Further, the driving device is a driving motor.

Furthermore, a corresponding groove is arranged between the rotary cylinder and the fixed disc, and balls are arranged in the groove.

Further, still include the support frame, set up the center pin on the carousel, fix first rolling motor and the second rolling motor on the support frame and rotate the transmission that sets up on the center pin, transmission transmits the power of first rolling motor and second rolling motor to first rolling dabber and the second rolling dabber of installing on the carousel.

Further, transmission installs the rotation sleeve on the center pin including rotating, fixes first synchronous pulley and the second synchronous pulley and sets up the synchronous pulley group in the rotation sleeve outside at rotation sleeve both ends, and first synchronous pulley is connected with first rolling motor transmission, and second synchronous pulley is connected with second rolling dabber transmission, and first rolling dabber passes through synchronous pulley group transmission with the second rolling motor and is connected.

Further, the synchronous pulley group includes fixed sleeve and third synchronous pulley and fourth synchronous pulley of fixed mounting at the fixed sleeve both ends respectively, third synchronous pulley is connected with the transmission of second rolling motor, and fourth synchronous pulley is connected with the transmission of first rolling dabber.

Furthermore, the rotating sleeve is connected with the central shaft through rotation, the first synchronous belt wheel and the second synchronous belt wheel are fixed on the rotating sleeve through key connection, and the synchronous belt wheel set is arranged on the rotating sleeve through a bearing sleeve.

The utility model discloses an actively the effect does: the utility model discloses utilize the gyration to support and install the carousel on the wallboard, then be connected with drive arrangement through setting up the teeth of a cogwheel in the outside that the gyration was supported, realize its pivoted drive in the outer fringe that the gyration was supported. Compared with the traditional central driving structure, under the condition of the driving motor with the same precision, the edge driving mode can not amplify the driving error of the motor, so that the positioning precision of the turntable is higher.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rotary support structure of the present invention;

fig. 3 is a schematic structural diagram of the transmission device of the present invention.

Detailed Description

As shown in the attached

drawings

1 and 2, the utility model discloses a wallboard 1, the gyration that sets up on wallboard 1 supports 2, fixed mounting support 2 on the gyration carousel and be used for driving the rotatory drive arrangement of gyration support 2.

The rotary support 2 comprises a rotary cylinder 201 and a fixed disc 202 which is rotatably arranged on the outer side of the rotary cylinder 201, corresponding grooves are formed between the rotary cylinder 201 and the fixed disc 202, balls 203 are arranged in the grooves, and relative rotation between the balls 203 and the fixed disc is achieved. The fixed disc 202 is fixed on the wall plate 1, the turntable is fixed on the rotary drum 201, gear teeth are arranged on the outer edge of the rotary drum 201, the driving device is a driving motor, the motor is kneaded with the gear teeth on the rotary drum 201 after passing through a speed reducer, and the motor on the outer edge of the rotary drum 201 drives the rotary support.

In the actual use process, the two opposite first winding mandrels 8 and the second winding mandrel 13 need to be driven to rotate so as to realize winding. As a further improvement of the present invention, as shown in fig. 1 and 3, the present invention further comprises a support frame 4 fixed on the ground or the wall plate 1, a central shaft 7 arranged on the turntable, a first winding motor 5 and a second winding motor 6 fixed on the support frame 4, and a transmission device arranged on the central shaft 7, wherein the central shaft 7 is located at the center of the turntable.

The transmission device comprises a rotating sleeve 10 which is rotatably arranged on the central shaft 7 through a bearing, a first synchronous belt pulley 9 and a second synchronous belt pulley 12 which are fixed on the rotating sleeve 10, and a synchronous belt pulley group which is rotatably arranged on the outer side of the rotating sleeve 10, wherein the synchronous belt pulley group comprises a third synchronous belt pulley 11 and a fourth synchronous belt pulley 14 which are arranged side by side, and a connecting sleeve 15 which is fixedly arranged between the third synchronous belt pulley 11 and the fourth synchronous belt pulley 14; the first synchronous belt pulley 9 and the third synchronous belt pulley 11 are respectively connected with the first winding motor 5 and the second winding motor 6 through synchronous belts, and the second synchronous belt pulley 12 and the fourth synchronous belt pulley 14 are respectively connected with the second winding mandrel 13 and the first winding mandrel 8 through synchronous belts.

Preferably, the third synchronous pulley 11 and the fourth synchronous pulley 14 are sleeved on the rotating sleeve 10 through bearings, and the first synchronous pulley 9 and the second synchronous pulley 12 are both mounted on the rotating sleeve 10 through a key connection. The first winding motor 5 is in transmission connection with the first synchronous belt pulley 9, and the second winding motor 6 is in transmission connection with the third synchronous belt pulley 11.

The axis of the central shaft 7 is the same as the rotating axis of the turntable, and the power of the two winding motors is transmitted to the two winding mandrels through the transmission device respectively. After the structure is adopted, the two winding motors do not rotate together with the turntable, and only need to be fixed on the support frame 4, so that the bearing of the turntable is reduced, and the rotary support is easier to drive.

Claims

1. A rotary table driving device for a plastic extrusion casting film machine is characterized by comprising a wall plate (1), a rotary support (2) arranged on the wall plate (1), a rotary table fixed on the rotary support (2) and a driving device (3) used for driving the rotary support (2) to rotate;

gyration is supported (2) and is put at gyration section of thick bamboo (201) outside and with gyration section of thick bamboo (201) rotation fixed disk (202) of being connected including gyration section of thick bamboo (201) and cover, fixed disk (202) are fixed on wallboard (1), and the carousel is fixed on gyration section of thick bamboo (201) the lateral wall of gyration section of thick bamboo (201) is equipped with the teeth of a cogwheel, drive arrangement (3) cooperate with the teeth of a cogwheel.

2. A turntable drive for a plastic extrusion cast film machine according to claim 1, characterized in that said drive means (3) is a drive motor.

3. A turntable driving device for a plastic extrusion casting film machine according to claim 1, characterized in that a corresponding groove is provided between the rotary drum (201) and the fixed disc (202), and a ball (203) is provided in the groove.

4. A turntable driving device for a plastic extrusion casting film machine according to claim 1, further comprising a support frame (4), a central shaft (7) disposed on the turntable, a first winding motor (5) and a second winding motor (6) fixed on the support frame (4), and a transmission device rotatably disposed on the central shaft (7), the transmission device transmitting power of the first winding motor (5) and the second winding motor (6) to the first winding spindle (8) and the second winding spindle (13) mounted on the turntable.

5. The rotating disk driving device for plastic extrusion casting film machine according to claim 4, characterized in that the transmission device comprises a rotating sleeve (10) rotatably installed on the central shaft (7), a first synchronous pulley (9) and a second synchronous pulley (12) fixed at two ends of the rotating sleeve (10) and a synchronous pulley set arranged outside the rotating sleeve (10), the first synchronous pulley (9) is in transmission connection with the first winding motor (5), the second synchronous pulley (12) is in transmission connection with the second winding mandrel (13), and the first winding mandrel (8) is in transmission connection with the second winding motor (6) through the synchronous pulley set.

6. A rotating disc driving device for plastic extrusion casting film machine according to claim 5, characterized in that the synchronous pulley set comprises a fixed sleeve (15) and a third synchronous pulley (11) and a fourth synchronous pulley (14) respectively fixedly installed at two ends of the fixed sleeve (15), the third synchronous pulley (11) is in transmission connection with the second winding motor (6), and the fourth synchronous pulley (14) is in transmission connection with the first winding mandrel (8).

7. A turntable driving device for a plastic extrusion casting film machine according to claim 5, characterized in that said rotating sleeve (10) is rotatably connected to the central shaft (7), the first synchronous pulley (9) and the second synchronous pulley (12) are fixed to the rotating sleeve (10) by a key connection, and the synchronous pulley set is mounted on the rotating sleeve (10) by a bearing.