CN219211750U

CN219211750U - Milling fixture for heavy-steam hydraulic system part

Info

Publication number: CN219211750U
Application number: CN202223302935.4U
Authority: CN
Inventors: 徐振保
Original assignee: Suzhou Baolige Precision Machinery Co ltd
Current assignee: Suzhou Baolige Precision Machinery Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-06-20
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of milling fixtures, in particular to a milling fixture for heavy-steam hydraulic system parts, wherein a lower support is fixed on the upper side of a bottom plate at the middle section position, a disc is arranged above the lower support, a turnover motor is arranged at one end of the lower support, two connecting plates are fixed on the lower side of the disc, the driving end of the turnover motor is connected with one of the connecting plates, three telescopic rods which are arranged in a circumferential manner are inserted in a sliding manner on the outer side of the disc, and a clamping driving mechanism is arranged between the three telescopic rods and the disc. According to the utility model, the pointing angles of the clamping blocks with different sizes can be adjusted through the adjustable clamping block mechanism, so that parts with different outer diameters can be clamped and fixed, the fixing stability is improved, the clamps do not need to be frequently replaced according to the sizes of the parts, the processing cost of the parts is reduced, and the processing efficiency is improved.

Description

Milling fixture for heavy-steam hydraulic system part

Technical Field

The utility model relates to the technical field of milling fixtures, in particular to a milling fixture for parts of a heavy-steam hydraulic system.

Background

The hydraulic system is an important component part in a heavy-duty car, parts in the hydraulic system need to be subjected to milling during production, and the parts need to be fixed by using a clamp during milling.

According to the patent application No.: CN201821131668.X discloses a milling fixture, and the milling fixture provided by the utility model can automatically turn over a connecting disc, so that the labor intensity of workers is reduced, and the machining efficiency is improved. Accordingly, one skilled in the art would provide a milling fixture for heavy-duty hydraulic system components that addresses the problems set forth in the background above.

Disclosure of Invention

The utility model aims to provide a milling fixture for parts of a heavy-steam hydraulic system, which is used for 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 milling fixture for heavy vapour hydraulic system part, includes the bottom plate, the upside of bottom plate is located middle section position department and is fixed with the lower carriage, the top of lower carriage is provided with the disc, and the upset motor is installed to the one end of lower carriage, the downside of disc is fixed with two connecting plates, the drive end of upset motor is connected with one of them connecting plate, the outside slip of disc is inserted and is equipped with three telescopic link that is circumference and arranges, three be provided with clamping driving mechanism between telescopic link and the disc, and the upside one end of three telescopic link all is provided with the same adjustable clamping block mechanism of structure, clamping driving mechanism is including installing clamping driving motor and the three screw rod of inserting in three telescopic link one end through the screw thread rotation in disc downside department, and the one end of three the screw rod all is fixed with driven bevel gear, the drive end of clamping driving motor is provided with the driving bevel gear that is located the disc inside, driving bevel gear passes through tooth and three driven bevel gear meshing.

As still further aspects of the utility model: the adjustable clamping block mechanism comprises a fixed column fixed on the upper side of a telescopic rod, a lower limiting plate is fixed on the middle section position outside the fixed column, a spring sleeved on the outer side of the fixed column is connected to the upper side of the lower limiting plate, a sliding plate sleeved on the outer side of the fixed column is connected to the upper end of the spring, four positioning plates which are circumferentially arranged are fixed on the upper side of the sliding plate, limiting grooves are formed in the upper ends of the positioning plates, a rotating shaft is connected to the upper end of the fixed column in a rotating mode, a cross is fixed on the upper end of the rotating shaft, four clamping blocks which are in rectangular arrangement are fixed on the outer side of the cross, and positioning pins are fixed on the outer side of the upper end of the rotating shaft corresponding to the positions of the four positioning plates.

As still further aspects of the utility model: one side of the four clamping blocks is provided with arc grooves with diameters decreasing in sequence, and the inner sides of the arc grooves are provided with protection pads.

As still further aspects of the utility model: one end of the outer side of each screw is rotationally connected with a supporting partition plate, and one side of each supporting partition plate is fixed with the inner side of the disc.

As still further aspects of the utility model: four mounting plates which are arranged in a rectangular mode are symmetrically fixed at the positions of the two sides of the lower side of the bottom plate, and mounting holes are formed in the four mounting plates.

As still further aspects of the utility model: the upper side of the disc is provided with a supporting table at the center position.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the pointing angles of clamping blocks with different sizes can be adjusted through the adjustable clamping block mechanism, so that parts with different outer diameters can be clamped and fixed, the fixing stability is improved, the clamp is not required to be frequently replaced according to the sizes of the parts, the processing cost of the parts is reduced, the processing efficiency is improved, and the three telescopic rods are driven to move through the clamping driving mechanism, so that the three adjustable clamping block mechanisms are driven to move to the central position, the parts are clamped and fixed, and the clamping mechanism is simple in structure and reliable in operation.

Drawings

FIG. 1 is a schematic structural view of a milling fixture for heavy-duty hydraulic system components;

FIG. 2 is a bottom view of a milling fixture for a heavy-duty hydraulic system component;

FIG. 3 is an enlarged schematic view of the milling fixture at A in FIG. 2 for use with heavy-duty hydraulic system components;

fig. 4 is a schematic structural view of an adjustable clamp block mechanism in a milling fixture for heavy-duty hydraulic system components.

In the figure: 1. a bottom plate; 2. a lower bracket; 3. a disc; 4. a connecting plate; 5. a turnover motor; 6. a telescopic rod; 7. a screw; 8. a driven bevel gear; 9. clamping a driving motor; 10. a drive bevel gear; 11. fixing the column; 12. a lower limit plate; 13. a sliding plate; 14. a spring; 15. a rotating shaft; 16. a cross; 17. a clamping block; 18. a positioning pin; 19. a positioning plate; 20. a protective pad; 21. a supporting partition; 22. a mounting plate; 23. and a support table.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present utility model, a milling fixture for parts of a heavy-duty hydraulic system includes a bottom plate 1, a lower bracket 2 is fixed at a middle position on an upper side of the bottom plate 1, a disc 3 is disposed above the lower bracket 2, a turnover motor 5 is installed at one end of the lower bracket 2, two connection plates 4 are fixed at a lower side of the disc 3, a driving end of the turnover motor 5 is connected with one of the connection plates 4, three circumferentially arranged telescopic rods 6 are slidably inserted at an outer side of the disc 3, a clamping driving mechanism is disposed between the three telescopic rods 6 and the disc 3, and adjustable clamping block mechanisms with the same structure are disposed at upper ends of the three telescopic rods 6, the clamping driving mechanism includes a clamping driving motor 9 installed at a central position on a lower side of the disc 3 and three screw rods 7 rotatably inserted at one ends of the three telescopic rods 6 through threads, driven bevel gears 8 are fixed at one ends of the three screw rods 7, driving ends of the clamping driving motor 9 are provided with driving bevel gears 10 disposed inside the disc 3, and the driving bevel gears 10 are engaged with the three driven bevel gears 8 through teeth.

In fig. 3: the adjustable clamping block mechanism comprises a fixed column 11 fixed on the upper side of a telescopic rod 6, a lower limiting plate 12 is fixed on the middle section position of the outer side of the fixed column 11, a spring 14 sleeved on the outer side of the fixed column 11 is connected to the upper side of the lower limiting plate 12, a sliding plate 13 sleeved on the outer side of the fixed column 11 is connected to the upper end of the spring 14, four positioning plates 19 which are circumferentially arranged are fixed to the upper side of the sliding plate 13, limiting grooves are formed in the upper ends of the four positioning plates 19, a rotating shaft 15 is rotatably connected to the upper end of the fixed column 11, a cross 16 is fixed to the upper end of the rotating shaft 15, four clamping blocks 17 which are in rectangular arrangement are fixed to the outer side of the cross 16, positioning pins 18 are fixed to the outer side of the upper end of the rotating shaft 15 corresponding to the positions of the four positioning plates 19, and the pointing angles of the clamping blocks 17 in different sizes can be adjusted through the adjustable clamping block mechanism, so that the parts with different outer diameters can be clamped and fixed, the fixing stability is improved, the machining cost of the parts is not required to be replaced frequently according to the sizes of the parts, and the machining efficiency is improved.

In fig. 3: one side of the four clamping blocks 17 is provided with arc grooves with diameters decreasing in sequence, the inner sides of the arc grooves are provided with protection pads 20, and the protection pads 20 are used for protecting parts from being damaged by clamping.

In fig. 4: the outside one end of three screw rods 7 all rotates and is connected with the support baffle 21, and one side of three support baffle 21 all is fixed with the inboard of disc 3, and the support baffle 21 is used for supporting the one end of screw rod 7.

In fig. 1: four mounting plates 22 which are arranged in a rectangular shape are symmetrically fixed at the positions of the two sides of the lower side of the bottom plate 1, mounting holes are formed in the four mounting plates 22, and the mounting plates 22 are used for fixing the whole clamp with the mounting surfaces.

In fig. 1: the upper side of the disc 3 is provided with a support table 23 at a central position, the support table 23 being used for placing parts.

The working principle of the utility model is as follows: during the use, place the part in the upside of supporting bench 23, then control the drive end operation of clamp driving motor 9 and drive initiative bevel gear 10 rotation, initiative bevel gear 10 rotates and drives three driven bevel gear 8 synchronous rotation through tooth meshing, three driven bevel gear 8 drives three screw rod 7 rotation respectively, three screw rod 7 rotates and drives the flexible removal of three telescopic link 6 through the screw thread meshing, three telescopic link 6 drives three adjustable clamping block mechanism respectively and moves to the center, the clamping block 17 that makes adjustable clamping block mechanism upper end presss from both sides the part outside, can fix a position the part, press down sliding plate 13, sliding plate 13 drives four locating plates 19 and moves down, and compress spring 14, make spacing groove and locating pin 18 separation of locating plate 19 upper end, then rotate pivot 15 to 90, pivot 15 drives four clamping blocks 17 through cross 16 and rotate, make the directional part direction of clamping block 17 of different diameters, then loosen sliding plate 13, sliding plate 13 moves up under the elastic force effect of spring 14, and drive four locating plates 19 and move up, make four locating plate 19 block clamping groove and four locating plates 19 block respectively lock the outside at the locating pin 18, thereby the fixed angle is realized, the fixed angle is realized to the fixed part, and the fixed angle is not needed, and the fixed part is changed, and the diameter is improved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The milling fixture for the heavy-steam hydraulic system part comprises a bottom plate (1), and is characterized in that a lower bracket (2) is fixed at the position of the middle section of the upper side of the bottom plate (1), a disc (3) is arranged above the lower bracket (2), a turnover motor (5) is arranged at one end of the lower bracket (2), two connecting plates (4) are fixed at the lower side of the disc (3), the driving end of the turnover motor (5) is connected with one of the connecting plates (4), three telescopic rods (6) which are circumferentially arranged are slidably inserted in the outer side of the disc (3), a clamping driving mechanism is arranged between the three telescopic rods (6) and the disc (3), and adjustable clamping block mechanisms with the same structure are arranged at one ends of the upper sides of the three telescopic rods (6);

the clamping driving mechanism comprises a clamping driving motor (9) arranged at the lower side of the disc (3) and three screws (7) inserted into one ends of the three telescopic rods (6) through screw threads, driven bevel gears (8) are fixed at one ends of the three screws (7), a driving bevel gear (10) arranged inside the disc (3) is arranged at the driving end of the clamping driving motor (9), and the driving bevel gear (10) is meshed with the three driven bevel gears (8) through teeth.

2. The milling fixture for parts of a heavy-steam hydraulic system according to claim 1, characterized in that the adjustable clamping block mechanism comprises a fixed column (11) fixed on the upper side of a telescopic rod (6), a lower limiting plate (12) is fixed on the middle section position of the outer side of the fixed column (11), a spring (14) sleeved on the outer side of the fixed column (11) is connected on the upper side of the lower limiting plate (12), a sliding plate (13) sleeved on the outer side of the fixed column (11) in a sliding mode is connected on the upper end of the spring (14), four positioning plates (19) which are circumferentially arranged are fixed on the upper side of the sliding plate (13), limiting grooves are formed in the upper ends of the four positioning plates (19), a rotating shaft (15) is rotatably connected to the upper end of the fixed column (11), a cross (16) is fixed on the upper end of the rotating shaft (15), four clamping blocks (17) which are rectangular in arrangement are fixed on the outer side of the cross (16), and the upper end of the cross (15) corresponds to the four positioning plates (19) and is fixed on the positions of the four positioning plates (18).

3. Milling fixture for parts of heavy-duty hydraulic systems according to claim 2, characterized in that one side of each of the four clamping blocks (17) is provided with an arc-shaped groove with successively decreasing diameters, and the inner sides of the arc-shaped grooves are provided with protection pads (20).

4. Milling fixture for parts of heavy-duty hydraulic systems according to claim 1, characterized in that the outer ends of the three screws (7) are each rotatably connected with a supporting partition plate (21), and that one side of the three supporting partition plates (21) is fixed with the inner side of the disc (3).

5. The milling fixture for the parts of the heavy-steam hydraulic system according to claim 1, wherein four mounting plates (22) which are arranged in a rectangular shape are symmetrically fixed at the positions of two sides of the lower side of the bottom plate (1), and mounting holes are formed in the four mounting plates (22).

6. Milling fixture for parts of heavy-duty hydraulic systems according to claim 1, characterized in that the upper side of the disc (3) is provided with a support table (23) in a central position.