CN221048202U

CN221048202U - Rotary positioning assembly

Info

Publication number: CN221048202U
Application number: CN202322830669.0U
Authority: CN
Inventors: 杨小龙; 林育正
Original assignee: Freewon China Co Ltd
Current assignee: Freewon China Co Ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-31
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to the technical field of positioning components, in particular to a rotary positioning component, which comprises: a fixing plate; the rotary positioning device is arranged on the fixed plate and used for rotating and fixing the aluminum shell; wherein, rotary positioning device includes: the positioning component is arranged on the fixed plate and used for positioning the aluminum shell; the rotating mechanism is arranged on the fixed plate and used for rotating the positioning assembly, so that the processing equipment is convenient for processing the aluminum shell; the rotary auxiliary piece is arranged on the fixed plate and used for being matched with the rotary mechanism to rotate, the positioning assembly comprises a bearing plate and a bearing I, the bearing plate is fixedly connected to the left side of the fixed plate, the bottom of the bearing plate is provided with a rotary rod I through the bearing I, the rotary rod I movably penetrates through the bearing plate to extend to the top, the top of the rotary rod I is fixedly connected with a positioning block, a threaded rod, a rotary rod II and a bearing III are driven by a servo motor, the rotary angle of the rotary rod I and the positioning block can be adjusted by a protective cap, and sand blasting of different angles of an aluminum shell is facilitated by processing equipment.

Description

Rotary positioning assembly

Technical Field

The utility model relates to the technical field of positioning components, in particular to a rotary positioning component.

Background

The sand blasting adopts compressed air as power to form a high-speed jet beam to jet the sprayed material (copper ore sand, quartz sand, silicon carbide, iron sand and sea sand) onto the surface of a workpiece to be treated at a high speed, so that the appearance or shape of the outer surface of the workpiece is changed, and due to the impact and cutting action of the abrasive on the surface of the workpiece, the surface of the workpiece has certain cleanliness and different roughness, so that the mechanical property of the surface of the workpiece is improved, the fatigue resistance of the workpiece is improved, the adhesive force between the workpiece and a coating is increased, the durability of the coating is prolonged, the leveling and decoration of the coating are also facilitated, and a positioning piece for supporting an aluminum shell is needed to be manually adjusted for sand blasting angle.

Through retrieving, chinese patent publication No. CN203292914U discloses a positioning assembly, a positioning assembly for positioning a workpiece, comprising: the body is in a cuboid shape; at least two stoppers each having a long strip shape, and each of which is pivotally attached to the body at one end in a length direction and protrudes from the body at the other end; wherein one end of each stopper receives a force from the outside so that each stopper can rotate between a standby position and a positioning position with respect to the body; in the standby position, the stop block does not contact the workpiece; in the positioning position, the other end of each stop block abuts against the workpiece through corresponding elastic force. The positioning assembly can position workpieces which are produced in batches and have approximately the same size, so that the production efficiency is improved to the greatest extent.

The above patent suffers from the following disadvantages: when the device is used, the aluminum shell needs to be manually rotated, and the manual rotation of the aluminum shell can cause machining deviation.

Disclosure of utility model

The present utility model is directed to a rotary positioning assembly, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A rotational positioning assembly, comprising: two fixing plates and a rotary positioning device; the rotary positioning device is arranged on the fixed plate and used for rotating the aluminum shell to assist the aluminum shell to carry out subsequent processing; the rotary positioning device comprises a positioning component, a rotary mechanism and a rotary auxiliary, wherein the positioning component and the rotary mechanism are arranged on the inner side of the fixed plate, and the rotary mechanism rotates to drive the positioning component to rotate through the rotary auxiliary so as to change the angle of the aluminum shell.

Preferably, the locating component comprises a bearing plate and a first bearing, the bearing plate is fixedly connected to the inner sides of the two fixing plates, the bottom of the bearing plate is rotatably connected with a first rotating rod through the bearing, the top of the first rotating rod movably penetrates through the bearing plate to extend upwards, the top of the first rotating rod is fixedly connected with a locating block for placing an aluminum shell, so that the aluminum shell rotates along with the locating block, the first bearing is a roller bearing and has excellent radial load characteristics, the bearing capacity is strong, the bearing component is suitable for bearing heavy loads, can bear large axial impact loads, can be kept parallel to a shaft, has excellent radial rigidity, and cannot generate excessive displacement at a shaft contact position.

Preferably, the rotating mechanism comprises a supporting plate and a bearing II, the supporting plate is fixedly connected to the right side of the right side fixing plate, a servo motor is fixedly connected to the top of the supporting plate, a threaded rod is arranged on the inner side of the fixing plate in a rotating mode through the bearing II, the threaded rod movably penetrates through the right side fixing plate to extend to the servo motor, and the extending end of the threaded rod is fixedly connected with the output end of the servo motor.

Preferably, the rotary auxiliary comprises a plurality of second rotating rods which are circumferentially distributed and fixedly connected to the outer wall of the first rotating rod, the second outer wall of the second rotating rod is fixedly sleeved with a third bearing, the third bearing is a ball bearing, can bear radial and axial directions and can bear composite loads at the same time, the ball bearing and the shaft are matched in an interference fit or clearance fit mode, the installation is more convenient, the stress direction is relatively stable, and therefore the influence of installation errors on the ball bearing and the shaft is small.

Preferably, the rotary auxiliary is inserted into the inner wall of the thread groove of the threaded rod.

Preferably, the second rotating rod is fixedly connected with a protective cap on one side far away from the first rotating rod and used for protecting the side edge of the bearing.

Compared with the prior art, the utility model has the beneficial effects that:

1. The rotary positioning assembly is convenient for a processing device to process the aluminum shell placed at the top of the positioning block through the first rotating rod and the positioning block which are connected to the top of the bearing plate through the first bearing.

2. The rotary positioning assembly drives the threaded rod, the second rotating rod and the third bearing through the servo motor. The protection cap can adjust the rotation angle of the first rotating rod and the positioning block, and is convenient for processing the aluminum shell at different angles by processing equipment.

Drawings

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

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the back structure of the present utility model;

Fig. 5 is an enlarged schematic view of the structure of fig. 3B according to the present utility model.

In the figure: 1. a fixing plate; 2. a rotational positioning assembly; 21. a positioning assembly; 211. a first rotating rod; 212. a positioning block; 213. a carrying plate; 214. a first bearing; 22. a rotation mechanism; 221. a supporting plate; 222. a servo motor; 223. a threaded rod; 224. a second bearing; 23. rotating the auxiliary; 231. a third bearing; 232. a protective cap; 233. and a second rotating rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the prior art, chinese patent publication No. CN203292914U discloses a positioning assembly, where the stopper 2 is rotated to a standby position under the action of an external force, so that a workpiece to be positioned can smoothly enter a predetermined area to be fixed, and at this time, the elastic member 5 generates an elastic force for rotating the stopper 2 toward the positioning position. When the external force is removed, the stopper 2 is rotated to the positioning position by the elastic force of the elastic member 5, thereby positioning the workpiece.

The inventor finds that the device needs to manually rotate the aluminum shell when in use, and the manual rotation of the aluminum shell can cause machining deviation.

As shown in fig. 1-5, a rotational positioning assembly comprising: two fixed plates 1 and a rotary positioning device 2; the rotary positioning device 2 is arranged on the fixed plate 1 and is used for rotating the aluminum shell to assist the aluminum shell to carry out subsequent processing; wherein, the rotary positioning device 2 comprises a positioning component 21, a rotary mechanism 22 and a rotary auxiliary piece 23, wherein the positioning component 21 and the rotary mechanism 22 are arranged on the inner side of the fixed plate 1, and the rotary mechanism 22 rotates to drive the positioning component 21 to rotate through the rotary auxiliary piece 23 so as to change the angle of the aluminum shell.

As shown in fig. 1-2, the positioning assembly 21 includes a bearing plate 213 and a bearing one 214, the bearing plate 213 is fixedly connected to the inner sides of the two fixing plates 1, the bottom of the bearing plate 213 is rotatably connected with a rotating rod one 211 through the bearing one 214, the top of the rotating rod one 211 movably extends upwards through the bearing plate 213, the top of the rotating rod one 211 is fixedly connected with a positioning block 212 for placing an aluminum shell so that the aluminum shell rotates along with the positioning block 212, the bearing one 214 is a roller bearing, and has excellent radial load characteristics, strong bearing capacity, is suitable for bearing heavy load, can bear large axial impact load, can keep parallel to a shaft, has excellent radial rigidity, and can not generate excessive displacement at the contact position of the shaft, and can realize simultaneous processing of a plurality of aluminum shells through 6 positioning blocks and six rotating rods one 211 by sleeving the aluminum shells on the top of the positioning block 212.

As shown in fig. 2-3, the rotating mechanism 22 includes a supporting plate 221 and a bearing two 224, the supporting plate 221 is fixedly connected to the right side of the right side fixing plate 1, the top of the supporting plate 221 is fixedly connected with a servo motor 222, the inner sides of the two fixing plates 1 rotate with a threaded rod 223 through the bearing two 224, the threaded rod 223 movably penetrates through the right side fixing plate 1 to extend towards the servo motor 222, the extending end of the threaded rod extends to be fixedly connected with the output end of the servo motor 222, when the angle needs to be adjusted, the servo motor 222 fixedly connected to the top of the supporting plate 221 is started, the servo motor 222 drives the threaded rod 223 rotating through the bearing two 224, the bearing two 224 is a roller bearing, which has excellent radial load characteristics, strong bearing capacity, is suitable for bearing heavy load, can bear large axial impact load, can be parallel to the shaft, has excellent radial rigidity, can not generate excessive displacement at the shaft contact position, can bear certain axial load at high temperature, has self-lubricating capacity, has small friction coefficient, is suitable for high-speed rotation, and has limit rotating speed approaching to a groove ball bearing, and the cylindrical roller bearing belongs to a split bearing, or is detachable and is convenient to install and detach.

As shown in fig. 3 and 5, the rotating auxiliary 23 includes a plurality of second rotating rods 233 circumferentially distributed and fixedly connected to the outer wall of the first rotating rod 211, a third bearing 231 is fixedly sleeved on the outer wall of the second rotating rod 233, the third bearing 231 is a ball bearing, and can bear radial and axial directions and simultaneously bear compound loads, the ball bearing and the shaft are matched in an interference fit or clearance fit manner, the installation is more convenient, the stress direction is relatively stable, the influence of installation errors on the rotating auxiliary is small, the rotating auxiliary 23 is inserted into the inner wall of a thread groove of the threaded rod 223, and a protective cap 232 is fixedly connected to one side, away from the first rotating rod 211, of the second rotating rod 233 for protecting the side edge of the bearing.

The screw thread through the outer wall of the threaded rod 223 is meshed with the bearing three 231, the bearing three 231 is a ball bearing, the radial and axial directions can be borne, the composite load can be borne at the same time, the ball bearing and the shaft are matched in an interference fit or clearance fit mode, the installation is more convenient, the stress direction is relatively stable, the influence of installation errors on the ball bearing is small, the threaded rod 223 drives the bearing three 231 to rotate, the bearing three 231 drives the rotating rod two 233, the rotating rod two 233 drives the rotating rod one 211, the rotating rod one 211 drives the positioning block 212 at the top to rotate, the bearing three 231, the protective cap 232 and the rotating rod two 223 are in a group, eleven groups are all selected, and the applicability is improved.

The working principle of the utility model is as follows: the aluminum shell is sleeved at the top of the positioning block 212, a plurality of aluminum shells can be processed simultaneously through 6 positioning blocks and six first rotating rods 211, when the angle needs to be adjusted, a servo motor 222 fixedly connected at the top of a supporting plate 221 is started, the servo motor 222 drives a threaded rod 223 which rotates through a second bearing 224, the second bearing 224 is a roller bearing, has excellent radial load characteristics, strong bearing capacity and is suitable for bearing heavy load, can bear large axial impact load, can be parallel to a shaft, has excellent radial rigidity, can not generate excessive displacement at the contact position of the shaft, can bear certain axial load at higher temperature, has self-lubricating capability, has small friction coefficient, is suitable for high-speed rotation, has limit rotating speed close to a deep groove ball bearing, the cylindrical roller bearing belongs to a separation type bearing, the inner ring or the outer ring is detachable, the installation and the disassembly are convenient, the threads on the outer wall of the threaded rod 223 are meshed with the bearing three 231, the bearing three 231 is a ball bearing which can bear radial and axial directions and can bear compound loads at the same time, the ball bearing and the shaft are matched in an interference fit or clearance fit mode, the installation is more convenient, the stress direction is relatively stable, the installation error has small influence on the bearing three 231, the bearing three 231 drives the rotating rod two 233, the rotating rod two 233 drives the rotating rod one 211, the rotating rod one 211 drives the positioning block 212 at the top to rotate, the bearing three 231, the protective cap 232 and the rotating rod two 223 are in a group, eleven groups are arranged in total, and more angles can be selected, so that the applicability is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A rotational positioning assembly, comprising: two fixed plates (1) and a rotary positioning device (2);

the rotary positioning device (2) is arranged on the fixed plate (1) and is used for rotating the aluminum shell to assist the aluminum shell to be processed later;

the rotary positioning device (2) comprises a positioning assembly (21), a rotary mechanism (22) and a rotary auxiliary (23), wherein the positioning assembly (21) and the rotary mechanism (22) are arranged on the inner side of the fixed plate (1), and the rotary mechanism (22) rotates to drive the positioning assembly (21) to rotate through the rotary auxiliary (23) so as to change the angle of the aluminum shell.

2. The rotational positioning assembly of claim 1, wherein: the positioning assembly (21) comprises a bearing plate (213) and a first bearing (214), the bearing plate (213) is fixedly connected to the inner sides of the two fixed plates (1), a first rotating rod (211) is rotatably connected to the bottom of the bearing plate (213) through the first bearing (214), the top of the first rotating rod (211) movably penetrates through the bearing plate (213) and extends upwards, and a positioning block (212) is fixedly connected to the top of the first rotating rod (211) and used for placing an aluminum shell so that the aluminum shell rotates along with the positioning block (212).

3. The rotational positioning assembly of claim 1, wherein: the rotating mechanism (22) comprises a supporting plate (221) and a bearing II (224), the supporting plate (221) is fixedly connected to the right side of the right side fixing plate (1), a servo motor (222) is fixedly connected to the top of the supporting plate (221), threaded rods (223) are arranged on the inner sides of the fixing plates (1) in a rotating mode through the bearing II (224), the threaded rods (223) movably penetrate through the right side fixing plate (1) to extend to the servo motor (222), and the extending ends of the threaded rods are fixedly connected with the output ends of the servo motor (222).

4. The rotational positioning assembly of claim 1, wherein: the rotary auxiliary parts (23) comprise a plurality of second rotating rods (233) which are circumferentially distributed and fixedly connected to the outer wall of the first rotating rods (211), and third bearings (231) are fixedly sleeved on the outer wall of the second rotating rods (233).

5. The rotational positioning assembly of claim 1, wherein: the rotary auxiliary part (23) is inserted into the inner wall of the thread groove of the threaded rod (223).

6. The rotational positioning assembly of claim 4, wherein: and one side, far away from the first rotating rod (211), of the second rotating rod (233) is fixedly connected with a protective cap (232) for protecting the side edge of the bearing.