CN222430590U - Fixing device for parts - Google Patents

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a fixing device for parts. The utility model provides a fixing device for parts, which comprises a base, a support column, a rotating mechanism, a fixing mechanism and the like, wherein the support column is arranged at the top of the base, the rotating mechanism is rotatably arranged on the support column and used for changing the positions of the parts, and a plurality of fixing mechanisms are arranged on the rotating mechanism and used for fixing the parts. The utility model can quickly and conveniently fix the piston by arranging the fixing mechanism, is convenient for the disassembly of the piston ring, and can be applied to pistons with different sizes and types by the adjustable design of the arc clamping plates, thereby reducing the times of replacement or adjustment, improving the working efficiency, having wide applicability and being applicable to the fixation of other parts.

Description

Fixing device for parts

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a fixing device for parts.

Background

In the mechanical field, piston rings are a common component mounted on a piston for sealing the gap between the piston and the cylinder wall, preventing leakage of gas and engine oil, and performing a certain heat transfer and lubrication function. Piston rings are typically made of metallic materials, having a degree of elasticity and hardness, and are capable of operating in high temperature and high pressure environments. When installing a piston ring, the piston ring needs to be placed in a ring groove of the piston, and openings of the piston ring are staggered by a certain angle so as to maintain the sealing performance of the piston ring.

In the conventional piston ring removal process, the piston needs to be fixed in the removal process due to the close fit between the piston ring and the piston, and then the piston ring is removed from the piston mechanically or manually. The fixing of the piston is a critical step in the disassembly process, and it is necessary to ensure that the piston does not slip or rotate during the disassembly process, so as to avoid damage to the piston ring. However, some of the prior art piston fixtures are only suitable for use with a specific size or type of piston, and the fixtures need to be replaced or adjusted for different sizes or types of pistons, reducing the efficiency of operation. Therefore, a new type of fixing device for parts is required to solve this problem.

Disclosure of utility model

In order to overcome the defect that the fixing device for some pistons in the prior art is only suitable for pistons with specific sizes or types, and the fixing device needs to be replaced or adjusted for the pistons with different sizes or types, the utility model provides the fixing device for the parts, which can be used for adaptively fixing the pistons with different sizes and types, reduce the times of replacement or adjustment and improve the working efficiency.

The utility model provides a fixing device for spare part, includes base, support column, slewing mechanism and fixed establishment, and the base top is provided with the support column, and the last slewing mechanism that rotates of support column is provided with for change the position of spare part, last a plurality of fixed establishment that are provided with of slewing mechanism, are used for fixing the spare part.

In addition, it is particularly preferred that the rotating mechanism comprises an annular rotating shaft, a first rotating disc and a second rotating disc, the annular rotating shaft is fixedly connected to the upper portion of the supporting column, the first rotating disc is rotatably arranged on the upper portion of the annular rotating shaft, the second rotating disc is rotatably arranged on the lower portion of the annular rotating shaft, and the second rotating disc is located below the first rotating disc.

In addition, particularly preferred is, fixed establishment is including connecting shell, the lead screw, the bevel gear, arc splint and motor, the rigid coupling has a plurality of connection shells between carousel one and the carousel two, the equal rotation of connection shell inside wall is provided with four lead screws, the lead screw is the cross and distributes, the one end that the connection shell was kept away from to the lead screw all is provided with the bevel gear, the continuous meshing between four bevel gears are adjacent, all rotation is provided with arc splint on the lead screw, arc splint is connected with carousel one slidingtype, install a plurality of motors on the carousel two, the quantity is the same with the connection shell, the output shaft of motor all is connected with its adjacent lead screw.

In addition, it is particularly preferable to further comprise a handle, and a plurality of handles are arranged on the top of the turntable.

In addition, it is particularly preferable that the arc-shaped clamping plates further comprise rubber pads, and the inner sides of the arc-shaped clamping plates are provided with the rubber pads.

In addition, it is particularly preferable to further comprise an anti-skid sleeve, and the handles are provided with the anti-skid sleeve.

The beneficial effects of the utility model are as follows:

1. The utility model can quickly and conveniently fix the piston by arranging the fixing mechanism, is convenient for the disassembly of the piston ring, and can be applied to pistons with different sizes and types by the adjustable design of the arc clamping plates, thereby reducing the times of replacement or adjustment, improving the working efficiency, having wide applicability and being applicable to the fixation of other parts.

2. According to the utility model, by arranging the handle, a worker can easily rotate the first rotary table, so that the convenience of the device is improved. Through setting up the rubber pad, can increase contact surface frictional force, improve the clamping stability of splint to the piston to can cushion the protection to the piston, prevent piston deformation and damage.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is an exploded view of a three-dimensional structure of the present utility model.

Fig. 3 is a schematic perspective view of the fixing mechanism of the present utility model.

The drawing comprises the following reference numerals 1, a base, 2, a support column, 3, a rotating mechanism, 31, an annular rotating shaft, 32, a first rotary disk, 33, a second rotary disk, 4, a fixing mechanism, 41, a connecting shell, 42, a screw rod, 43, a bevel gear, 44, an arc clamping plate, 45, a motor, 5, a handle, 6, a rubber pad, 7 and an anti-skid sleeve.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The embodiment is that the fixing device for the parts comprises a base 1, a support column 2, a rotating mechanism 3 and a fixing mechanism 4, wherein the support column 2 is arranged at the top of the base 1, the rotating mechanism 3 for changing the position of a piston is rotatably arranged on the support column 2, and four fixing mechanisms 4 for fixing the piston are arranged on the rotating mechanism 3.

As shown in fig. 1 and 2, the rotating mechanism 3 includes an annular rotating shaft 31, a first turntable 32 and a second turntable 33, the upper portion of the supporting column 2 is fixedly connected with the annular rotating shaft 31 in a welding manner, the first turntable 32 is rotatably arranged on the upper portion of the annular rotating shaft 31, the second turntable 33 is rotatably arranged on the lower portion of the annular rotating shaft 31, and the second turntable 33 is located below the first turntable 32.

As shown in fig. 1-3, the fixing mechanism 4 comprises a connecting shell 41, a screw rod 42, bevel gears 43, arc clamping plates 44 and a motor 45, four connecting shells 41 are fixedly connected between the first turntable 32 and the second turntable 33 in a welding mode, four screw rods 42 are rotatably arranged on the inner side walls of the connecting shells 41, the screw rods 42 are distributed in a cross shape, the bevel gears 43 are continuously meshed between the adjacent four bevel gears 43 at one ends of the screw rods 42 far away from the connecting shells 41, the arc clamping plates 44 are rotatably arranged on the screw rods 42, through holes with the same quantity of the arc clamping plates 44 are formed in the first turntable 32, the arc clamping plates 44 are slidably connected with the first turntable 32 through the through holes, the four motors 45 are arranged on the second turntable 33, and output shafts of the motors 45 are connected with the adjacent screw rods 42 through the connecting shells 41.

When the piston ring dismounting device is used, a piston to be dismounted by a worker is placed on the inner side of the nearest arc clamping plate 44, all motors 45 are started, the output shafts of the motors 45 drive screw rods 42 connected with the motors to rotate, the arc clamping plates 44 on the screw rods 42 are driven to move inwards, and simultaneously, due to the meshing effect between bevel gears 43, the three adjacent screw rods 42 are driven to rotate together, so that the arc clamping plates 44 connected with the screw rods are driven to move inwards, when the four arc clamping plates 44 move inwards to be in close contact with the piston, all motors 45 are closed, the arc clamping plates 44 clamp and fix the piston, the piston cannot slide or rotate in the dismounting process, the piston ring on the piston is convenient for the worker to dismount, the arc design of the clamping plates and the size accommodated by the arc clamping plates can be adjusted when the arc clamping plates move on the screw rods 42, the fixing mechanism 4 can be suitable for pistons of different sizes and types, the frequency of replacement or adjustment is reduced, the work efficiency is improved, and the piston ring dismounting device has wide applicability and can be used for fixing other parts. After the piston ring of a piston is disassembled by a worker, the next empty clamping plate can be quickly moved to one side of the worker by rotating the first rotary table 32, so that the next piston is fixed, the continuity of work can be maintained, and the work efficiency is improved.

As shown in fig. 1 and 2, the rotary table further comprises handles 5, and four handles 5 are arranged on the top of the first rotary table 32.

As shown in fig. 1 and 3, the device further comprises a rubber pad 6, and the inner sides of the arc-shaped clamping plates 44 are provided with the rubber pad 6.

As shown in fig. 1 and 2, the anti-slip device further comprises an anti-slip sleeve 7, and the anti-slip sleeve 7 is arranged on the handle 5.

The arrangement of the handle 5 enables a worker to easily rotate the first turntable 32, thereby improving the convenience of the device. The arrangement of the rubber pad 6 can improve the clamping stability of the clamping plate to the piston by increasing the friction force of the contact surface, and can buffer and protect the piston to prevent the piston from deforming and damaging. The anti-skid sleeve 7 can increase the friction force of the holding part of the handle 5, prevent the hand from slipping and improve the operation stability.

It should be understood that this example is only illustrative of the utility model and is not intended to limit the scope of the utility model. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.

Claims (4)

1. The fixing device for the parts is characterized by comprising a base (1), wherein a support column (2) is arranged at the top of the base (1), a rotating mechanism (3) is rotatably arranged on the support column (2) and used for changing the positions of the parts, and a plurality of fixing mechanisms (4) are arranged on the rotating mechanism (3) and used for fixing the parts;

The rotating mechanism (3) comprises an annular rotating shaft (31), the upper part of the supporting column (2) is fixedly connected with the annular rotating shaft (31), a first rotary table (32) is rotatably arranged on the upper part of the annular rotating shaft (31), a second rotary table (33) is rotatably arranged on the lower part of the annular rotating shaft (31), and the second rotary table (33) is positioned below the first rotary table (32);

The utility model provides a fixed establishment (4) including coupling shell (41), carousel one (32) with rigid coupling has a plurality of coupling shells (41) between carousel two (33), coupling shell (41) inside wall all rotates and is provided with four lead screws (42), lead screw (42) are cross distribution, lead screw (42) are kept away from coupling shell (41) one end all is provided with bevel gear (43), four continuous meshing between bevel gear (43) equal rotation is provided with arc splint (44) on lead screw (42), arc splint (44) are connected with carousel one (32) slidingtype, install a plurality of motors (45) on carousel two (33), the quantity with coupling shell (41) are the same, the output shaft of motor (45) all is connected with its adjacent lead screw (42).

2. A device for fixing a component according to claim 1, further comprising a handle (5), a plurality of handles (5) being provided on top of said first turntable (32).

3. A fixing device for parts according to claim 2, further comprising rubber pads (6), wherein the rubber pads (6) are provided on the inner sides of the arc-shaped clamping plates (44).

4. A device for fixing parts according to claim 3, characterized in that it further comprises anti-slip sleeves (7), said handles (5) being provided with anti-slip sleeves (7).