CN218904818U

CN218904818U - Multi-station grinding head combined driving box

Info

Publication number: CN218904818U
Application number: CN202320532735.3U
Authority: CN
Inventors: 冯加鹏
Original assignee: Yantai Shengdao Electronic Technology Co ltd
Current assignee: Yantai Shengdao Electronic Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-04-25
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a multi-station grinding head combined driving box, which belongs to the technical field of processing equipment and comprises a shell, wherein the shell is provided with a box body, the box body is rotationally connected with the shell, a plurality of grinding and polishing heads are rotationally arranged on the side surface of the box body, two opposite sides of the box body are combined into a group, the same group of grinding and polishing heads are connected through a first rotating shaft, a first belt and a first motor are arranged in the box body, and the first rotating shaft is driven to rotate through the cooperation of the first belt and the first motor; the box is internally provided with a tensioning shaft, the end part of the tensioning shaft is connected with a tensioning sleeve, the lower part of the tensioning sleeve is attached to the first belt, and the box is provided with a tensioning assembly for driving the tensioning sleeve to act. Through adjusting tensioning assembly, can drive the take-up shaft and follow vertical direction motion to can adjust the tensioning cover and to the dynamics of compressing tightly of first belt, realize the regulation to first belt tensioning force, in order to guarantee that the grinding and polishing head can not receive the influence because of the tensioning of first belt in the rotation process, guarantee the quality of polishing of work piece.

Description

Multi-station grinding head combined driving box

Technical Field

The utility model relates to the technical field of processing equipment, in particular to a multi-station grinding head combined driving box.

Background

The mobile phone has become a very popular personal object, and the grinding and polishing processing of the four sides of the mobile phone shell is one of the procedures for manufacturing the mobile phone. The traditional polishing method usually uses a worker to hold a polishing tool to polish different parts of a product, and generally uses a numerical control polishing machine to polish because of high yield and high polishing precision, and meanwhile, in order to improve the polishing efficiency, a multi-station polishing machine is developed to mechanically automate the polishing process. The polishing device generally comprises a driving box, wherein a polishing head is arranged on the driving box, and polishing operation is performed on the workpiece through rotation of the polishing head.

At present, a plurality of groups of polishing heads are arranged on the driving box, the polishing heads are driven by a belt in a rotating mode, but when the belt is loosened, the rotation of the whole group of polishing heads is affected, and when the rotation of the polishing heads is affected, the polishing quality of a workpiece is greatly reduced.

Disclosure of Invention

The utility model provides a multi-station grinding head combined driving box, which aims at the defects existing in the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a multistation bistrique combination drive case, includes the casing, the casing is equipped with the box, the box rotates with the casing to be connected, the side of box rotates has a plurality of grinds the throwing head, and the grinds the throwing head of two opposite sides of box is a set of, and same group grinds the throwing head and passes through first axis of rotation connection, be equipped with first belt and first motor in the box, through the cooperation drive first axis of rotation of first belt and first motor; the box is internally provided with a tensioning shaft, the end part of the tensioning shaft is connected with a tensioning sleeve, the lower part of the tensioning sleeve is attached to the first belt, and the box is provided with a tensioning assembly for driving the tensioning sleeve to act.

Through adopting above-mentioned technical scheme, utilize first motor drive first belt to rotate, the rotation of first belt can drive first axis of rotation to realize grinding the rotation of throwing head and polish with the work piece, when the tensioning force of first belt needs to be adjusted, start tensioning assembly, tensioning assembly starts the back, can drive tensioning axle and follow vertical direction motion, thereby can adjust the dynamics of compressing tightly of tensioning cover to first belt, realize the regulation to first belt tensioning force, in order to guarantee that grinding the throwing head can not receive the influence because of the tensioning of first belt in the rotation process, guarantee the quality of polishing of work piece.

Further, tensioning assembly includes the take-up pulley of being connected with the box, just the take-up pulley passes through adjusting bolt and is connected with the box, the adaptation hole with the take-up pulley adaptation is seted up to the box, the inboard of take-up pulley passes the adaptation hole, the take-up pulley rotates with the box to be connected, eccentric hole has been seted up in the outside of take-up pulley, the mounting hole has been seted up to the inboard of take-up pulley, the axis coincidence of mounting hole and eccentric hole, the take-up shaft passes the mounting hole, the take-up shaft passes fixing bolt and is connected with the take-up pulley, fixing bolt pass the eccentric hole with the take-up shaft is connected, the adjustment tank has been seted up on the take-up pulley, the adjustment tank is seted up along the circumference of take-up pulley, adjusting bolt passes the adjustment tank and with box threaded connection.

Through adopting above-mentioned technical scheme, when the tensioning force of first belt is adjusted to needs, the operator dismantles adjusting bolt and dismantles from the box, rotates the take-up pulley, because the setting of eccentric hole, so the take-up pulley also is eccentric setting, and when the take-up pulley is rotating, the take-up pulley rises or descends in vertical orientation to drive the tensioning cover and rise or descend, with the clamping force of regulation tensioning cover to first belt, adjust the tensioning force of first belt promptly.

Further, the tensioning shaft is provided with a groove at one end far away from the tensioning sleeve, the groove direction of the groove is consistent with the axial direction of the tensioning shaft, and the mounting hole is provided with a tangential plane matched with the groove.

Through adopting above-mentioned technical scheme, the tensioning cover can rotate along with the rotation of first belt when laminating with first belt, cooperates through setting up recess and tangent plane, can prevent that the take-up shaft from rotating along with the rotation of tensioning cover, because the tip of take-up shaft is fixed through fixing bolt with the take-up pulley, consequently prevents that the take-up shaft from rotating can improve the stability of take-up pulley.

Further, the inside of take-up pulley is equipped with the sealing washer along its circumference, the outer wall of sealing washer is contradicted with the adaptation hole.

Through adopting above-mentioned technical scheme, the leakproofness between take-up pulley and the box can be improved in the setting of sealing washer.

Further, the shell is provided with a servo motor, and an output shaft of the servo motor is connected with a rotating shaft of the box body.

Through adopting above-mentioned technical scheme, can drive the box through servo motor and rotate to the different side of tangent plane processes the work piece.

Further, the shell is provided with a plurality of suction pipes for sucking waste materials.

Further, the suction pipe is telescopic.

In summary, compared with the prior art, the beneficial effects of the technical scheme are as follows:

(1) The first motor is utilized to drive the first belt to rotate, the first rotating shaft can be driven to rotate by the rotation of the first belt, so that the grinding and polishing head can rotate to polish a workpiece, when the tensioning force of the first belt needs to be regulated, the tensioning assembly is started, the tensioning assembly can be driven to move in the vertical direction after being started, the compression force of the tensioning sleeve on the first belt can be regulated, the tensioning force of the first belt can be regulated, the grinding and polishing head can not be influenced by the tensioning of the first belt in the rotating process, and the polishing quality of the workpiece can be guaranteed;

(2) When the tensioning force of the first belt needs to be adjusted, an operator dismantles the adjusting bolt from the box body, rotates the tensioning wheel, and because of the arrangement of the eccentric hole, the tensioning shaft is also eccentrically arranged, and when the tensioning wheel rotates, the tensioning shaft rises or falls in the vertical direction, so that the tensioning sleeve is driven to rise or fall, and the pressing force of the tensioning sleeve on the first belt is adjusted, namely the tensioning force of the first belt is adjusted;

(3) The tensioning sleeve can rotate along with the rotation of the first belt when being attached to the first belt, the tensioning sleeve is matched with the tangent plane through the groove, the tensioning shaft can be prevented from rotating along with the rotation of the tensioning sleeve, and the end part of the tensioning shaft is fixed with the tensioning wheel through the fixing bolt, so that the stability of the tensioning wheel can be improved due to the fact that the tensioning shaft is prevented from rotating.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the interior of the case according to the embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view of a tensioning assembly according to an embodiment of the present utility model;

FIG. 5 is a partial schematic view of an embodiment of the present utility model;

fig. 6 is an enlarged schematic view of a portion B in fig. 5.

Reference numerals illustrate: 1. a housing; 2. a case; 3. a servo motor; 4. grinding and polishing head; 5. a suction pipe; 6. a first rotation shaft; 7. a first belt; 8. a first motor; 9. a tensioning shaft; 10. tensioning sleeve; 11. a tensioning assembly; 12. a tensioning wheel; 13. a seal ring; 14. an adjustment tank; 15. an adjusting bolt; 17. a fixing bolt; 19. a mounting hole; 20. a groove; 21. cutting into sections.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The embodiment of the utility model discloses a multi-station grinding head combined driving box.

Referring to fig. 1-6, a multi-station grinding head combined driving box comprises a shell 1, wherein the shell 1 is L-shaped, a box body 2 is arranged in the shell 1, the box body 2 is rotationally connected with the shell 1, a servo motor 3 is arranged at the outer side end part of the shell 1, an output shaft of the servo motor 3 is connected with the box body 2, and the box body 2 is rotated through the servo motor 3. The four sides of the box body 2 are divided into two groups, and two opposite sides are one group, in the embodiment of the utility model, the two opposite sides of the first group are both provided with the polishing heads 4, one side of the two sides of the second group is provided with the polishing heads 4, the other side can be used for arranging the unloading tool, and as another implementation mode of the embodiment of the utility model, the four sides can be all provided with the polishing heads 4, and the embodiment of the utility model of the unloading tool is not illustrated. Different sides can be switched by the rotation of the box body 2 so as to polish or discharge the workpiece.

The internal structures of the first group and the second group are the same, and in the embodiment of the present utility model, the first group is taken as an example for explanation, and the following explanation does not distinguish the first group from the second group.

Referring to fig. 1 and 2, five polishing heads 4 are disposed on each side of the case 2, two polishing heads 4 on opposite sides are taken as a unit, five units are altogether taken as one unit, the polishing heads 4 of each unit are connected through first rotating shafts 6, belt pulleys are disposed on each first rotating shaft 6, a first belt 7 and a first motor 8 which are matched with the belt pulleys are disposed in the case 2, the first belt 7 is wound on the five belt pulleys in a wave shape in sequence, the first belt 7 is driven to rotate through the first motor 8, and then the belt pulleys are driven to rotate through the first rotating shafts 6, so that the purpose of driving the polishing heads 4 to synchronously rotate is achieved.

Four tensioning shafts 9 are arranged in the box body 2, the tensioning shafts 9 are arranged between the adjacent first rotating shafts 6, the axis of each tensioning shaft 9 is consistent with that of each first rotating shaft 6, one end of each tensioning shaft 9 is rotatably connected with a tensioning sleeve 10, the lower portion of each tensioning sleeve 10 is attached to the corresponding first belt 7, and the box body 2 is provided with a tensioning assembly 11 used for driving the tensioning sleeves 10 to act.

When the tensioning force of the first belt 7 needs to be adjusted, the tensioning assembly 11 is started, after the tensioning assembly 11 is started, the tensioning shaft 9 can be driven to move along the vertical direction, so that the compression force of the tensioning sleeve 10 on the first belt 7 can be adjusted, the tensioning force of the first belt 7 is adjusted, the polishing head 4 is guaranteed not to be affected by the tensioning of the first belt 7 in the rotating process, and the polishing quality of a workpiece is guaranteed.

Referring to fig. 1, 4 and 6, the tensioning assembly 11 includes a tensioning wheel 12, an adapting hole is formed in the box 2 in a penetrating manner, one end (inner side) of the tensioning wheel 12 penetrates through the adapting hole, a mounting hole 19 which is convenient for a tensioning shaft 9 to penetrate through is formed in the inner side of the tensioning wheel 12, the outer side of the tensioning wheel 12 is attached to the outer wall of the box 2, an eccentric hole is formed in the outer side of the tensioning wheel 12, the axis of the mounting hole 19 coincides with the axis of the eccentric hole, and after the end of the tensioning shaft 9 penetrates through the mounting hole 19, the fixing of the tensioning shaft 9 and the tensioning wheel 12 is achieved through a fixing bolt 17; the outside of take-up pulley 12 has offered adjustment tank 14 along its circumference, and every adjustment tank 14 all is the arc, utilizes adjusting bolt 15 to pass adjustment tank 14 and box 2 threaded connection realization take-up pulley 12 and box 2 fixed.

When the tensioning force of the first belt 7 needs to be adjusted, an operator removes the adjusting bolt 15 from the box body 2, rotates the tensioning wheel 12, and due to the arrangement of the eccentric holes, the tensioning shaft 9 is also eccentrically arranged relative to the tensioning wheel 12, and when the tensioning wheel 12 rotates, the tensioning shaft 9 ascends or descends in the vertical direction, so that the tensioning sleeve 10 is driven to ascend or descend, and the pressing force of the tensioning sleeve 10 on the first belt 7, namely the tensioning force of the first belt 7, is adjusted.

Referring to fig. 5 and 6, a groove 20 is formed at one end of the tensioning shaft 9 away from the tensioning sleeve 10, the groove direction of the groove 20 is consistent with the axial direction of the tensioning shaft 9, and a tangential surface 21 matched with the groove 20 is formed in the mounting hole 19. When the tensioning sleeve 10 is attached to the first belt 7, the tensioning sleeve 10 rotates along with the rotation of the first belt 7, the tensioning shaft 9 can be prevented from rotating along with the rotation of the tensioning sleeve 10 by matching the groove 20 with the tangential surface 21, and the end part of the tensioning shaft 9 is fixed with the tensioning wheel 12 through the fixing bolt 17, so that the stability of the tensioning wheel 12 can be improved by preventing the tensioning shaft 9 from rotating.

Referring to fig. 1-3, a sealing ring 13 is disposed on the inner side of the tensioning wheel 12 along the circumferential direction thereof, and the outer wall of the sealing ring 13 abuts against the adapting hole, so as to improve the tightness between the tensioning wheel 12 and the box 2.

Referring to fig. 1, a housing 1 is provided with a plurality of suction pipes 5 for sucking waste, five suction pipes 5, and the suction pipes 5 are telescopic. The suction pipe 5 is connected with a dust collector, and the dust can be sucked into the dust collector to be treated by introducing gas into the suction pipe 5.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a multistation bistrique combination drive case, includes casing (1), its characterized in that, casing (1) is equipped with box (2), box (2) are connected with casing (1) rotation, the side of box (2) rotates has a plurality of grinding and polishing heads (4), and two opposite sides's of box (2) grind and polish head (4) and be a set of, are connected through first axis of rotation (6) with group grinding and polishing head (4), be equipped with first belt (7) and first motor (8) in box (2), through the cooperation drive first axis of rotation (6) of first belt (7) and first motor (8); the novel belt tensioning device is characterized in that a tensioning shaft (9) is arranged in the box body (2), the end portion of the tensioning shaft (9) is connected with a tensioning sleeve (10), the lower portion of the tensioning sleeve (10) is attached to the first belt (7), and the box body (2) is provided with a tensioning assembly (11) for driving the tensioning sleeve (10) to act.

2. The multi-station grinding head combined driving box according to claim 1, wherein: tensioning assembly (11) are including take-up pulley (12) be connected with box (2), just take-up pulley (12) are connected with box (2) through adjusting bolt (15), the adaptation hole with take-up pulley (12) adaptation is seted up to box (2), the adaptation hole is passed to the inboard of take-up pulley (12), take-up pulley (12) are rotated with box (2) and are connected, eccentric hole has been seted up in the outside of take-up pulley (12), mounting hole (19) have been seted up to the inboard of take-up pulley (12), the axis coincidence of mounting hole (19) and eccentric hole, take-up pulley (9) pass mounting hole (19), take-up pulley (9) are connected with take-up pulley (12) through fixing bolt (17), fixing bolt (17) pass the eccentric hole with take-up pulley (9) are connected, set up adjustment groove (14) on take-up pulley (12) are seted up along the circumference of take-up pulley (12), adjusting bolt (15) pass adjustment groove (14) and are connected with box (2) screw thread.

3. The multi-station grinding head combined driving box according to claim 2, wherein: the tensioning device is characterized in that a groove (20) is formed in one end, far away from the tensioning sleeve (10), of the tensioning shaft (9), the groove direction of the groove (20) is consistent with the axial direction of the tensioning shaft (9), and a tangential surface (21) matched with the groove (20) is arranged in the mounting hole (19).

4. The multi-station grinding head combined driving box according to claim 2, wherein: the inside of take-up pulley (12) is equipped with sealing washer (13) along its circumference, the outer wall of sealing washer (13) is contradicted with the adaptation hole.

5. The multi-station grinding head combined driving box according to claim 1, wherein: the casing (1) is provided with a servo motor (3), and an output shaft of the servo motor (3) is connected with a rotating shaft of the box body (2).

6. The multi-station grinding head combined driving box according to claim 1, wherein: the shell (1) is provided with a plurality of suction pipes (5) for sucking waste materials.

7. The multi-station grinding head combined driving box according to claim 6, wherein: the suction pipe (5) is telescopic.