CN219561494U

CN219561494U - Piston processing fixing tool

Info

Publication number: CN219561494U
Application number: CN202321879678.2U
Authority: CN
Inventors: 赵新治; 韩翠霞; 郭佩玉; 郭茂亮; 袁文帅
Original assignee: Henan Xinxiang Piston Co ltd
Current assignee: Henan Xinxiang Piston Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2023-08-22
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a piston machining and fixing tool which comprises a top plate, a bottom plate, a supporting component, a fixed steel sleeve, an adjusting pressing column and a threaded rod, wherein the supporting component is symmetrically arranged on the left side and the right side of the bottom plate and comprises a lower supporting bar and an upper supporting bar, a supporting bar is arranged between the upper supporting bar and the lower supporting bar, the lower supporting bar is fixed on the bottom plate through a fastening screw III, the top plate is arranged at the upper end of the supporting component, the upper end of the fixed steel sleeve is fixedly connected with the lower surface of the top plate, the upper end of the adjusting pressing column is connected with the fixed steel sleeve, the lower end of the adjusting pressing column is in threaded connection with a pressing head, one end of the threaded rod penetrates through the lower part of the top plate and is fixedly connected with the center of the upper end of the adjusting pressing column, and the upper surface of the bottom plate is provided with a positioning round seat; the tool is simple in structure, convenient to operate, capable of adjusting the height, applicable to fixing pistons of different sizes, high in universality, capable of preventing the problem of deviation in the drilling process and capable of improving the drilling precision.

Description

Piston processing fixing tool

Technical Field

The utility model relates to the technical field of piston machining fixtures, in particular to a piston machining fixture.

Background

The main function of the piston is to withstand the combustion pressure in the cylinder and to transmit this force to the crankshaft via the wrist pin and connecting rod. In addition, the piston forms a combustion chamber together with the cylinder head and the cylinder wall. The diesel piston is generally used on a ship, and when the piston is processed, a side surface is required to be drilled, and the side surface is not well fixed due to the circular structure of the piston; for some traditional lathes, the pistons cannot be directly drilled, special tools are needed to fix the pistons, then hole turning operation is carried out, the conventional fixed tools have the problems that the fixation is unstable, the offset is easy to occur when the stress is uneven, and the machining precision is affected, and because the pistons are different in size, various fixed tools are needed, and the universality of the tools is poor; in order to enable the traditional lathe to efficiently and accurately finish drilling operation, a piston machining fixing tool is provided.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a piston machining fixing tool which is simple in structure, convenient to operate, adjustable in height, applicable to fixing pistons of different sizes, high in universality, capable of preventing the problem of deviation in the drilling process, capable of improving the drilling precision, capable of meeting the requirements of enterprises and capable of effectively solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixed frock of piston processing, which comprises a top plate, the bottom plate, supporting component, fixed steel bushing, adjust pressure post and threaded rod, supporting component symmetry sets up the left and right sides at the bottom plate, supporting component includes support bar and upper support bar down, be provided with the bracing piece between upper support bar and the lower support bar, the support bar passes through fastening screw III to be fixed on the bottom plate down, the top plate sets up the upper end at supporting component, fixed steel bushing's upper end and roof lower surface fixed connection, adjust the upper end and fixed steel bushing of pressure post and be connected, adjust the lower extreme threaded connection of pressure post and have the pressure head, the one end of threaded rod wears to the below of top plate and adjusts pressure post upper end center fixed connection, the upper surface of bottom plate is provided with the location circle seat, the last fixed surface of location circle seat has the positioning disk.

Further, the upper end of fixed steel bushing is provided with outer chimb, and the roof passes through fastening screw IV and the outer flange fixed connection of fixed steel bushing upper end, and the inner wall of fixed steel bushing is provided with the screw thread, adjusts the upper end of post to establish to connecting portion, and connecting portion and the inner wall threaded connection of fixed steel bushing, the lower extreme inboard of fixed steel bushing is provided with spacing retainer.

Further, fixed holes are formed in the left side and the right side of the upper surface of the bottom plate, and the positioning disc, the positioning round seat and the bottom plate are fixedly connected through a fastening screw II.

Further, still include spacing fixture block, the lower surface of spacing fixture block is provided with the draw-in groove, and spacing fixture block card is on last support bar, is provided with the gasket between roof and the spacing fixture block, and through fastening screw I fixed connection between roof and the last support bar.

Further, the upper end of threaded rod is provided with the carousel, and upper surface one side of carousel is provided with the operation hand lever, threaded rod and roof threaded connection.

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

1. the threaded rod is arranged on the piston drilling device, the adjusting pressing column can be driven to downwards rotate through the threaded rod, pressure is applied to the upper end of the piston through the pressure head on the adjusting pressing column, the piston is reliably fixed on the positioning disc, the lower end of the piston is positioned through the positioning disc, displacement in the piston drilling process is prevented, and the drilling precision is improved.

2. The utility model is provided with the fastening screw II, the positioning disc and the positioning round seat on the bottom plate can be detached by loosening the fastening screw II, and the positioning disc and the positioning round seat are convenient to replace so as to adapt to pistons with different specifications, the height of the supporting component is increased by the limiting clamping block, and the height of the supporting component can be changed by replacing the limiting clamping block or the gasket.

3. The tool is simple in structure, convenient to operate, capable of adjusting the height, applicable to fixing pistons of different sizes, high in universality, capable of preventing the problem of deviation in the drilling process and capable of improving the drilling precision.

Drawings

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

FIG. 2 is a left-hand structural schematic diagram of the present utility model;

FIG. 3 is a schematic elevational view of the present utility model;

fig. 4 is a schematic cross-sectional view of a limiting block according to the present utility model.

In the figure: the device comprises a limiting clamping block 1, a top plate 2, a rotary table 3, an operating hand lever 4, a threaded rod 5, a fastening screw I6, a fixing steel sleeve 7, an adjusting pressing column 8, a pressing head 9, a fixing hole 10, a positioning disk 11, a positioning round seat 12, a fastening screw II 13, a bottom plate 14, a fastening screw III 15, a lower supporting bar 16, a supporting bar 17, an upper supporting bar 18, a gasket 19, an outer convex edge 20, a limiting retainer ring 21, a connecting part 22 and a fastening screw IV 23.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fixed frock of piston processing, including roof 2, the bottom plate 14, supporting component, fixed steel bushing 7, adjust pressure post 8 and threaded rod 5, supporting component symmetry sets up the left and right sides at bottom plate 14, supporting component includes support bar 16 and last support bar 18 down, be provided with bracing piece 17 between support bar 18 and the support bar 16 down, support bar 16 passes through fastening screw III 15 to be fixed on bottom plate 14 down, roof 2 sets up the upper end at supporting component, supporting component is reliably supported the roof, the upper end of fixed steel bushing 7 and the lower fixed surface of roof 2 are connected, the upper end and the fixed steel bushing 7 of regulation pressure post 8 are connected, the lower extreme threaded connection of regulation pressure post 8 has pressure head 9, the upper end of threaded rod 5 is provided with carousel 3, upper surface one side of carousel 3 is provided with operation hand lever 4, threaded rod 5 and roof 2 threaded connection, be convenient for operation carousel 3 rotation can drive 5 rotation through operation, the one end of threaded rod 5 wears to the below of roof 2 and the fixed connection of regulation post 8 upper end, threaded rod 5 rotation down, can drive regulation pressure post 8 down, can be driven and adjust pressure post 8 down, the upper end and position location disc 12 is fixed through the piston positioning disc 11 is gone up to the piston position location disc through the upper end of pressure post 9, the piston positioning accuracy is fixed on the piston seat 11, the piston 11 is fixed on the surface is located to the piston position location disc is 11.

The upper end of fixed steel bushing 7 is provided with outward flange 20, roof 2 passes through fastening screw IV 23 and the outward flange 20 fixed connection of fixed steel bushing 7 upper end, the inner wall of fixed steel bushing 7 is provided with the screw thread, the upper end of adjusting press post 8 is established to connecting portion 22, connecting portion 22 and the inner wall threaded connection of fixed steel bushing 7, the lower extreme inboard of fixed steel bushing 7 is provided with spacing retainer 21, prevent through spacing retainer 21 that adjusting press post 8 from droing from fixed steel bushing 7, fixed steel bushing 7 and adjusting press post 8 threaded connection ensure to adjust press post 8 in-process stable in structure.

The left and right sides of the upper surface of the bottom plate 14 are provided with fixing holes 10, the device is conveniently fixed on a lathe frame through the fixing holes 10, the operation is convenient, the positioning disc 11, the positioning round seat 12 and the bottom plate 14 are fixedly connected through the fastening screw II 13, and the positioning disc 11 and the positioning round seat 12 on the bottom plate 14 can be detached through loosening the fastening screw II 13, so that the device is convenient to replace, and the device is suitable for pistons with different specifications.

Still including spacing fixture block 1, the lower surface of spacing fixture block 1 is provided with the draw-in groove, and spacing fixture block 1 blocks on last support bar 18, is provided with gasket 19 between roof 2 and the spacing fixture block 1, increases the height of supporting component through spacing fixture block 1, changes spacing fixture block 1 or gasket and can change the height of supporting component, satisfies the user demand, and through fastening screw I6 fixed connection, through fastening screw I6 fastening between roof 2 and the last support bar 18, convenient dismouting.

When in use: the lower end of the piston is clamped on the positioning disc 11, the positioning disc 11 is used for positioning the lower end of the piston, displacement is prevented from occurring in the piston drilling process, then the operating handle rod 4 is used for conveniently operating the rotating disc 3 to rotate, the rotating disc 3 can drive the threaded rod 5 to rotate, the threaded rod 5 can rotate downwards, the adjusting press column 8 can be driven downwards, pressure is applied to the upper end of the piston through the pressing head 9 on the adjusting press column 8, the piston is reliably fixed on the positioning disc 11, and fixing of the piston is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed frock of piston processing, includes roof (2), bottom plate (14), supporting component, fixed steel bushing (7), adjusts compression leg (8) and threaded rod (5), its characterized in that: the supporting component symmetry sets up the left and right sides at bottom plate (14), supporting component includes support bar (16) and upper support bar (18) down, be provided with bracing piece (17) between upper support bar (18) and lower support bar (16), lower support bar (16) are fixed on bottom plate (14) through fastening screw III (15), roof (2) set up the upper end at supporting component, the upper end and the roof (2) lower fixed surface of fixed steel bushing (7) are connected, the upper end and the fixed steel bushing (7) of adjusting press post (8) are connected, the lower extreme threaded connection of adjusting press post (8) has pressure head (9), the one end of threaded rod (5) wears to the below of roof (2) and adjusts press post (8) upper end center fixed connection, the upper surface of bottom plate (14) is provided with location circle seat (12), the upper surface fixed with positioning disk (11) of location circle seat (12).

2. The piston machining fixture of claim 1, wherein: the upper end of fixed steel bushing (7) is provided with outer chimb (20), and roof (2) are through binding screw IV (23) and outer chimb (20) fixed steel bushing (7) upper end fixed connection, and the inner wall of fixed steel bushing (7) is provided with the screw thread, adjusts the upper end of clamp column (8) and establishes into connecting portion (22), and connecting portion (22) and the inner wall threaded connection of fixed steel bushing (7), and the lower extreme inboard of fixed steel bushing (7) is provided with spacing retainer ring (21).

3. The piston machining fixture of claim 1, wherein: fixing holes (10) are formed in the left side and the right side of the upper surface of the bottom plate (14), and the positioning disc (11), the positioning round seat (12) and the bottom plate (14) are fixedly connected through fastening screws II (13).

4. The piston machining fixture of claim 1, wherein: still including spacing fixture block (1), the lower surface of spacing fixture block (1) is provided with the draw-in groove, and spacing fixture block (1) card is on last support bar (18), is provided with gasket (19) between roof (2) and spacing fixture block (1), and through fastening screw I (6) fixed connection between roof (2) and the last support bar (18).

5. The piston machining fixture of claim 1, wherein: the upper end of threaded rod (5) is provided with carousel (3), and upper surface one side of carousel (3) is provided with operation hand lever (4), threaded rod (5) and roof (2) threaded connection.