CN219684695U

CN219684695U - Milling hydraulic clamp

Info

Publication number: CN219684695U
Application number: CN202320497175.2U
Authority: CN
Inventors: 沈军; 洪贵情; 汤凯; 郭猛; 胡昌平
Original assignee: Hefei Bolin Advanced Materials Co ltd
Current assignee: Hefei Bolin Advanced Materials Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-09-15
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a milling hydraulic clamp which comprises a clamping assembly, wherein a corner pressing plate for preventing a workpiece from tilting in the clamping process is arranged above the clamping assembly, the corner pressing plate comprises a connecting part and a pressing part, the pressing part is positioned at the end part of the connecting part, and a rotary cylinder for driving the corner pressing plate to lift and rotate is arranged on the lower surface of the corner pressing plate. The clamping device is simple in structure, the rotating cylinder drives the corner pressing plate to lift or rotate through the mutual matching between the rotating cylinder and the corner pressing plate, so that the workpiece above the placing table is stably clamped, the phenomenon that the workpiece is tilted in the workpiece clamping process is effectively prevented, a worker is required to knock the upper part of the clamped workpiece by using a tool, the workpiece is ensured to be in a flat state during milling, and a better clamping and leveling effect is achieved.

Description

Milling hydraulic clamp

Technical Field

The utility model relates to the technical field of machining, in particular to a milling hydraulic clamp.

Background

Milling is a mechanical processing method for processing the surface of an object by taking a milling cutter as a cutter, wherein the milling machine comprises a horizontal milling machine, a vertical milling machine, a planer milling machine, a profiling milling machine, a universal milling machine, a bar milling machine and the like, and when the end face of a workpiece is milled, a hydraulic clamp is required to clamp the workpiece.

Through searching, although the first clamping head is close to the second clamping head through the work of the telescopic air cylinder by the Chinese patent number CN2017107764997. X, the clamping structure is relatively stable and convenient, but the position of the workpiece is continuously changed in the process of clamping the workpiece, and the problem of tilting of the workpiece easily occurs in part of the workpiece clamping process.

Disclosure of Invention

The utility model aims to provide a milling hydraulic clamp 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 hydraulic fixture, includes the clamping assembly, the top of clamping assembly is provided with the corner clamp plate that prevents the work piece from appearing the perk at the clamp process, the corner clamp plate includes connecting portion and pressing part, the tip at connecting portion is located to the pressing part, and the lower surface mounting of corner clamp plate has the rotatory cylinder that drive corner clamp plate goes up and down and rotate.

As a further scheme of the utility model: the number of the pressing parts is two, and the two pressing parts are respectively arranged at one end of the connecting part, which is far away from each other.

As a further scheme of the utility model: in order to ensure that the work piece can not appear shifting in the in-process of processing, the clamping assembly includes hydraulic chuck, hydraulic chuck's upper surface installs places the platform, and hydraulic chuck's upper surface still installs two jack catch that press from both sides tightly the work piece, and places the platform and be located between two jack catch, presses the position to be located the top of placing the platform, and revolving cylinder's flexible direction perpendicular to places the platform.

As a further scheme of the utility model: in order to enable the clamping jaws to adapt to workpieces with more sizes in the clamping process, the opening widths of the two clamping jaws are gradually reduced from the opening end to the position away from the opening end.

As a further scheme of the utility model: in order to ensure that the bottom of the hydraulic chuck is effectively supported, the lower surface of the hydraulic chuck is provided with a base.

As a further scheme of the utility model: in order to facilitate the movement of the position of the base, a plurality of hanging buckles which facilitate the hanging of the base are arranged on the upper surface of the base.

As a further scheme of the utility model: for conveniently carrying out simultaneous processing to a plurality of work pieces, the upper surface mounting of base has a plurality of clamping components, and when a corner clamp plate and a clamping component one-to-one, connecting portion on the corner clamp plate only is provided with the pressing part near the tip of clamping component, the upper surface at the base is installed to the revolving cylinder, revolving cylinder's output is connected with connecting portion, and revolving cylinder and corner clamp plate all are located clamping component's same side, and when a corner clamp plate and two clamping components correspond, the both ends of connecting portion all are equipped with pressing part on the corner clamp plate, and corner clamp plate and revolving cylinder all are located between two clamping components.

Compared with the prior art, the utility model has the beneficial effects that: the clamping device is novel in structure, the rotating cylinder drives the corner pressing plate to lift or rotate through mutual matching between the rotating cylinder and the corner pressing plate, so that the workpiece above the placing table is stably clamped, the phenomenon that the workpiece is tilted in the workpiece clamping process is effectively prevented, a worker is required to knock the upper part of the clamped workpiece by using a tool, the workpiece is ensured to be in a flat state during milling, and a better clamping and leveling effect is achieved.

Drawings

FIG. 1 is a front view of a milling hydraulic clamp;

in the figure: 1. a base; 2. hanging buckle; 3. a hydraulic chuck; 4. a placement table; 5. a claw; 6. a rotary cylinder; 7. a connection part; 8. a pressing part.

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, in an embodiment of the utility model, a hydraulic fixture for milling includes a clamping assembly, a corner pressing plate for preventing a workpiece from tilting during clamping is disposed above the clamping assembly, the corner pressing plate includes a connecting portion 7 and a pressing portion 8, the pressing portion 8 is located at an end of the connecting portion 7, and a rotary cylinder 6 for driving the corner pressing plate to lift and rotate is mounted on a lower surface of the corner pressing plate.

Referring to fig. 1, in one embodiment, in order to ensure that the workpiece does not tilt during the machining process, the number of pressing portions 8 is preferably two, and the two pressing portions 8 are respectively disposed at the ends of the connecting portions 7 away from each other.

When the clamping device is used, the top of a workpiece can be limited through the pressing part 8, and the phenomenon that the workpiece is tilted in the clamping process is effectively prevented.

Referring to fig. 1, in one embodiment, in order to ensure that the workpiece does not deviate during the processing, in this embodiment, preferably, the clamping assembly includes a hydraulic chuck 3, a placement table 4 is mounted on an upper surface of the hydraulic chuck 3, two jaws 5 for clamping the workpiece are further mounted on an upper surface of the hydraulic chuck 3, the placement table 4 is located between the two jaws 5, a pressing portion 8 is located above the placement table 4, and a telescopic direction of the rotary cylinder 6 is perpendicular to the placement table 4.

When the hydraulic clamping device is used, a workpiece is placed above the placing table 4, then two clamping claws 5 driven by the hydraulic clamping disc 3 approach to the workpiece on the placing table 4, clamping of the workpiece on the placing table 4 is achieved, a better workpiece clamping effect is achieved, the two clamping claws 5 on the hydraulic clamping disc 3 are driven by a hydraulic station connected with the hydraulic clamping disc 3 when moving, the hydraulic station is connected with the hydraulic clamping disc 3 through an oil pipe, when oil is fed into the oil pipe, the two clamping claws 5 are driven by the hydraulic clamping disc 3 to clamp the workpiece synchronously, and when oil is returned into the oil pipe, the two clamping claws 5 are driven by the hydraulic clamping disc 3 to loosen the workpiece synchronously (the working principle of the hydraulic station and the oil pipe is known to the prior art, and excessive repeated description is omitted).

Referring to fig. 1, in an embodiment, in order to enable the jaws 5 to adapt to a workpiece with a larger size during the clamping process, in this embodiment, preferably, the opening widths of the two jaws 5 are gradually reduced from the opening end to the opening end, and the opening shape of the jaws 5 is not limited, and in this embodiment, the opening shape of the jaws 5 is preferably a V shape.

Referring to fig. 1, in another embodiment, in order to better protect the surface of the workpiece, a protective layer is disposed on the inner wall of the opening of the claw 5, and the protective layer is made of rubber, preferably, in this embodiment, the protective layer is made of rubber, and when in use, the rubber can form a certain soft protection between the workpiece and the claw 5, so as to avoid the phenomenon of scratching the surface of the workpiece in the clamping process.

Referring to fig. 1, in an embodiment, in order to ensure that the bottom of the hydraulic chuck 3 is effectively supported, in this embodiment, preferably, the lower surface of the hydraulic chuck 3 is provided with a base 1, and the shape of the base 1 is not limited, in this embodiment, preferably, the shape of the base 1 is rectangular parallelepiped, and the base 1 can support a plurality of hydraulic chucks 3 during use.

Referring to fig. 1, in an embodiment, in order to facilitate moving the position of the base 1, preferably, a plurality of hanging buckles 2 which facilitate hanging the base 1 are installed on the upper surface of the base 1 in this embodiment, and when in use, the hanging buckles 2 can be used for moving and hanging the base 1, so that the device is convenient for a worker to move.

Referring to fig. 1, in one embodiment, in order to facilitate simultaneous processing of multiple workpieces, preferably, a plurality of clamping components are mounted on an upper surface of the base 1, when one corner pressing plate corresponds to one clamping component, a pressing portion 8 is provided at a connecting portion 7 on the corner pressing plate only adjacent to an end portion of the clamping component, a rotary cylinder 6 is mounted on an upper surface of the base 1, an output end of the rotary cylinder 6 is connected with the connecting portion 7, the rotary cylinder 6 and the corner pressing plate are both located on the same side of the clamping component, when one corner pressing plate corresponds to two clamping components, pressing portions 8 are provided at two ends of the connecting portion 7 on the corner pressing plate, and the corner pressing plate and the rotary cylinder 6 are both located between the two clamping components.

When the milling machine is used, when the corner pressing plate is staggered with the workpiece, the pressing part 8 on the corner pressing plate can press the workpiece on the clamping assembly, and when the corner pressing plate is parallel to the workpiece, the position of the corner pressing plate can be ensured not to be above the workpiece, so that the workpiece can be milled conveniently.

The working principle and the using flow of the utility model are as follows: firstly placing a workpiece to be processed on a placing table 4 between two clamping jaws 5, opening a rotary cylinder 6, driving a corner pressing plate to rotate by 90 degrees by the rotary cylinder 6, enabling the corner pressing plate to be crossed with the workpiece, when the rotary cylinder 6 drives the corner pressing plate to descend and limit the workpiece on the placing table 4, avoiding the phenomenon that the workpiece is tilted in the process of clamping the workpiece, starting a hydraulic station, driving the two clamping jaws 5 to synchronously move by a hydraulic chuck 3 when oil is fed into an oil pipe, enabling the clamping jaws 5 on two sides to automatically and synchronously move towards the center by the hydraulic station, completing clamping the workpiece, controlling the corner pressing plate to ascend by the rotary cylinder 6 after the workpiece is clamped, reversely rotating by 90 degrees to be parallel with the workpiece, facilitating milling processing of the clamped workpiece by a processing device (the working principle of the rotary cylinder 6 is the prior art, not repeated herein), controlling the oil return by the hydraulic chuck 3 to synchronously loosen the workpiece, then taking down the processed workpiece by a worker, moving the lifting hook by the lifting hook when the position of the device is required to be moved by the worker, and finally fixing the lifting hook on the lifting hook by the lifting device.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Therefore, the above description is not intended to limit the scope of the utility model; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a milling hydraulic fixture, includes clamping assembly, its characterized in that, clamping assembly's top is provided with the corner clamp plate that prevents the work piece and appear the perk at the clamp process, the corner clamp plate includes connecting portion (7) and pressing part (8), pressing part (8) are located the tip of connecting portion (7), and the lower surface mounting of corner clamp plate has rotatory cylinder (6) that drive corner clamp plate goes up and down and pivoted.

2. A milling hydraulic clamp according to claim 1, characterized in that the number of pressing parts (8) is two, and that the two pressing parts (8) are provided at the ends of the connecting parts (7) remote from each other, respectively.

3. The milling hydraulic clamp according to claim 2, wherein the clamping assembly comprises a hydraulic chuck (3), a placement table (4) is mounted on the upper surface of the hydraulic chuck (3), two clamping claws (5) for clamping a workpiece are further mounted on the upper surface of the hydraulic chuck (3), the placement table (4) is located between the two clamping claws (5), the pressing part (8) is located above the placement table (4), and the telescopic direction of the rotary cylinder (6) is perpendicular to the placement table (4).

4. A milling hydraulic clamp according to claim 3, characterized in that the opening width of both jaws (5) tapers from the open end to the remote end.

5. A milling hydraulic clamp according to claim 3, characterized in that the lower surface of the hydraulic chuck (3) is provided with a seat (1).

6. The milling hydraulic clamp according to claim 5, characterized in that the upper surface of the base (1) is provided with a plurality of hanging buckles (2) which facilitate hanging the base (1).

7. The milling hydraulic clamp according to claim 5, wherein the plurality of clamping components are mounted on the upper surface of the base (1), when one corner pressing plate corresponds to one clamping component, the pressing part (8) is arranged at the end part of the connecting part (7) on the corner pressing plate, which is only adjacent to the clamping component, the rotating cylinder (6) is mounted on the upper surface of the base (1), the output end of the rotating cylinder (6) is connected with the connecting part (7), the rotating cylinder (6) and the corner pressing plate are located on the same side of the clamping component, when one corner pressing plate corresponds to two clamping components, the pressing parts (8) are arranged at the two ends of the connecting part (7) on the corner pressing plate, and the corner pressing plate and the rotating cylinder (6) are located between the two clamping components.