CN217832735U

CN217832735U - Fixing device for machining of mechanical parts

Info

Publication number: CN217832735U
Application number: CN202221205035.5U
Authority: CN
Inventors: 沈永坚; 褚迎锋
Original assignee: Shanghai Eci Precision Electromechanical Technology Co ltd
Current assignee: Shanghai Eci Precision Electromechanical Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-18
Anticipated expiration: 2032-05-19

Abstract

The utility model belongs to the field of machining of mechanical parts, in particular to a fixing device for machining of mechanical parts, which comprises a machining table with a square structure, wherein a cross adapter is embedded in the center of the machining table, four connecting ends of the cross adapter are respectively provided with a screw rod in a rotating way, the tail end of each screw rod extends out of the machining table and is provided with a first bevel gear, each screw rod is respectively provided with a guide plate in a threaded sleeve way, and the top part of each guide plate is respectively fixed with a clamping block; a driving mechanism is installed on the base, driven gears are installed in the middle of rotating shafts on four sides of the machining table, and a second bevel gear is installed on the upper portion of the rotating shaft. The utility model can clamp and fix the mechanical parts from four directions, has better stability, and the parts are not easy to rotate during processing; under the drive of the driving mechanism, the driven gear is matched with the first bevel gear, the four screw rods can be driven to rotate simultaneously, the four clamping blocks are driven to move synchronously, and the four-screw-rod-type clamping mechanism is simple to operate and good in controllability.

Description

Fixing device for machining of mechanical parts

Technical Field

The utility model relates to a machine part processing field specifically is a fixing device for machine part processing.

Background

The mechanical part, also called mechanical element, is the basic element that constitutes the machine, and is a non-detachable single piece that constitutes the machine and the machine. In the process of machining mechanical parts, in order to prevent the mechanical parts from shaking, a fixing device is required to be used for limiting and fixing the mechanical parts.

To the machine part of rule, traditional machine parts fixing device for processing carries out the centre gripping through two fixed plates to machine part's two sides mostly and fixes, and when machine part was circular workpiece, fixing device was relatively poor to its fixed effect, leads to in the course of working, the pivoted condition appears in machine part easily to can't guarantee machine part's processing quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device is used in machine part processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for machining mechanical parts comprises a machining table with a square structure, wherein a cross adapter is embedded in the center of the machining table, four connecting ends of the cross adapter are respectively and rotatably provided with a screw rod, the tail end of each screw rod extends out of the machining table and is provided with a first bevel gear, each screw rod is respectively sleeved with a guide plate in a threaded manner, and the top of each guide plate is respectively fixed with a clamping block; the processing table is characterized in that a base is arranged under the processing table in parallel, a driving mechanism is installed on the base, a rotating shaft is vertically arranged on the four sides of the processing table corresponding to the positions of the screws respectively, a driven gear matched with the driving mechanism is installed in the middle of the rotating shaft, and a second bevel gear meshed with the first bevel gear on the corresponding screw is installed on the upper portion of the rotating shaft.

Preferably, four screws are respectively arranged at the central positions of four sides of the square processing table.

Preferably, the processing table is provided with a limit groove for embedding the screws, and the guide plate is embedded into the limit groove in a sliding manner.

Preferably, the driving mechanism comprises a driving motor installed at the center of the base, and the output end of the driving motor is fixedly connected with the center of the driving gear upwards.

Preferably, the driving gear is arranged below the processing table in parallel, and the center of the driving gear is rotatably connected with the bottom surface of the processing table through a central shaft.

Preferably, the upper end of the rotating shaft is rotatably connected with the bottom surface of the processing table, the lower end of the rotating shaft is rotatably connected with the top surface of the base, and the driven gears on the rotating shafts are meshed with the driving gears.

Preferably, the opposite surfaces of the two opposite clamping blocks on the processing table are provided with arc-shaped curved surface structures with opposite openings.

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

the utility model can clamp and fix the mechanical parts from four directions, has better stability, and the parts are not easy to rotate when being processed; under the drive of the driving mechanism, the driven gear is matched with the first bevel gear, the four screw rods can be driven to rotate simultaneously, the four clamping blocks are driven to move synchronously, and the four-screw-rod-type clamping mechanism is simple to operate and good in controllability.

Drawings

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

fig. 2 is a schematic view of the connection structure of the cross adapter and the screw rod of the present invention;

fig. 3 is a schematic view of the specific structure of the processing table of the present invention.

In the figure: 1. a processing table; 2. a cross adapter; 3. a screw; 4. a first bevel gear; 5. a limiting groove; 6. a guide plate; 7. a clamping block; 8. a base; 9. a drive motor; 10. a drive gear; 11. a central shaft; 12. a rotating shaft; 13. a driven gear; 14. a second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a fixing device for machining mechanical parts comprises a machining table 1 with a square structure, wherein a cross adapter 2 is embedded in the center of the machining table 1, four connecting ends of the cross adapter 2 are respectively rotatably provided with a screw 3, the tail end of each screw 3 extends out of the machining table 1 and is provided with a first bevel gear 4, each screw 3 is respectively sleeved with a guide plate 6 in a threaded manner, and the top of each guide plate 6 is respectively fixed with a clamping block 7; a base 8 is arranged under the processing table 1 in parallel, a driving mechanism is arranged on the base 8, a rotating shaft 12 is respectively and vertically arranged on the four sides of the processing table 1 corresponding to the positions of the screws 3, a driven gear 13 matched with the driving mechanism is arranged in the middle of the rotating shaft 12, and a second bevel gear 14 meshed with the first bevel gear 4 on the corresponding screw 3 is arranged on the upper portion of the rotating shaft 12.

Further, four screws 3 are respectively arranged at the central positions of the four sides of the square processing table 1.

Furthermore, a limiting groove 5 for each screw 3 to be embedded is formed in the processing table 1, and the guide plate 6 is slidably embedded in the limiting groove 5.

Furthermore, the driving mechanism comprises a driving motor 9 installed at the center of the base 8, and the output end of the driving motor is fixedly connected with the center of a driving gear 10 upwards.

Further, the driving gear 10 is disposed in parallel below the processing table 1, and the center thereof is rotatably connected to the bottom surface of the processing table 1 through a central shaft 11.

Furthermore, the upper end of the rotating shaft 12 is rotatably connected with the bottom surface of the processing table 1, the lower end of the rotating shaft is rotatably connected with the top surface of the base 8, and the driven gear 13 on each rotating shaft 12 is meshed with the driving gear 10.

Furthermore, the opposite surfaces of the two opposite clamping blocks 7 on the processing table 1 are provided with arc-shaped curved surface structures with opposite openings.

The working principle is as follows:

during machining, a part to be machined is placed in the center of a machining table 1, a driving motor 9 is started to drive a driving gear 10 to rotate, the driving gear 10 drives four driven gears 13 meshed with the driving gear to rotate, the four driven gears 13 drive corresponding rotating shafts 12 to rotate, so that second bevel gears 14 on the rotating shafts 12 are driven to rotate, the second bevel gears 14 drive first bevel gears 4 meshed with the second bevel gears to rotate, so that screw rods 3 are driven to rotate, each guide plate 6 is driven to approach the center of the machining table 1 by means of thread driving, a clamping block 7 is driven to clamp the part, clamping and limiting of the part are completed, the mechanical part can be clamped and fixed from four directions, stability is good, and the part is not easy to rotate during machining; and only one driving motor 9 is used for realizing the synchronous movement of the four clamping blocks 7, so that the operation is simple and the controllability is good.

It is worth noting that: whole device realizes control to it through the control button of driving motor 9 self-bring, because the equipment that control button matches is equipment commonly used, belongs to current mature technology, no longer gives unnecessary details its electric connection relation and specific circuit structure here.

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

Claims

1. The fixing device for machining the mechanical part is characterized by comprising a machining table (1) with a square structure, wherein a cross adapter (2) is embedded in the center of the machining table, four connecting ends of the cross adapter (2) are respectively and rotatably provided with a screw (3), the tail end of each screw (3) extends out of the machining table (1) and is provided with a first bevel gear (4), each screw (3) is respectively sleeved with a guide plate (6) in a threaded manner, and the top of each guide plate (6) is respectively fixed with a clamping block (7); the processing table is characterized in that a base (8) is arranged under the processing table (1) in parallel, a driving mechanism is installed on the base (8), a rotating shaft (12) is vertically arranged on the four sides of the processing table (1) corresponding to the positions of the screws (3), a driven gear (13) matched with the driving mechanism is installed in the middle of the rotating shaft (12), and a second bevel gear (14) meshed with the first bevel gear (4) on the corresponding screw (3) is installed on the upper portion of the rotating shaft (12).

2. The fixing device for machine part machining according to claim 1, characterized in that: the four screw rods (3) are respectively arranged at the central positions of the four side edges of the square processing table (1).

3. The fixing device for machine part machining according to claim 1, characterized in that: the processing table (1) is provided with a limit groove (5) for embedding each screw (3), and the guide plate (6) is embedded into the limit groove (5) in a sliding manner.

4. The fixing device for machine part machining according to claim 1, characterized in that: the driving mechanism comprises a driving motor (9) arranged at the center of the base (8), and the output end of the driving motor is upwards fixedly connected with the center of the driving gear (10).

5. The fixing device for machine part processing according to claim 4, wherein: the driving gear (10) is parallel to the lower part of the processing table (1), and the center of the driving gear is rotationally connected with the bottom surface of the processing table (1) through a central shaft (11).

6. The fixing device for machine part machining according to claim 1, characterized in that: the upper end of each rotating shaft (12) is rotatably connected with the bottom surface of the processing table (1), the lower end of each rotating shaft is rotatably connected with the top surface of the base (8), and the driven gear (13) on each rotating shaft (12) is meshed with the driving gear (10).

7. The fixing device for machine part machining according to claim 1, characterized in that: the opposite surfaces of the two opposite clamping blocks (7) on the processing table (1) are arranged into arc-shaped curved surface structures with opposite openings.