CN215510096U

CN215510096U - Hydraulic clamping device for machine tool

Info

Publication number: CN215510096U
Application number: CN202121132471.XU
Authority: CN
Inventors: 谢建地
Original assignee: Suzhou Jingxie Machine Product Co ltd
Current assignee: Suzhou Jingxie Machine Product Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-14
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to the technical field of machine tool fixtures, in particular to a hydraulic clamping device for a machine tool, which comprises the machine tool and a machining tool, wherein a slide seat is arranged on the upper side of the machine tool and comprises a base, an oil pump and an oil filling pipe, two groups of fixtures are arranged on the upper side of the slide seat and are respectively arranged on two sides of the slide seat, each fixture comprises a clamping block, a protection pad, a fixture seat and a sliding block, a piston is fixed on one side of each clamping block, an oil cavity matched with the piston is formed in each fixture seat, the sliding block is fixedly connected with the fixture seat, a sliding groove matched with the sliding block is formed in the upper side of the base, an oil cylinder matched with the oil filling pipe is formed in the sliding block, an oil duct communicated with the oil filling pipe is formed in the base, and the oil duct is communicated with the oil pump. According to the utility model, the hydraulic oil is injected into the oil cylinder through the oil injection pipe, so that the clamp is enabled to clamp, the operation is reliable, the work is stable, and meanwhile, the impact generated when the clamp is clamped is shared by the hydraulic oil in the oil cavity at one side of the clamping block and the protection pad, so that the surface of a workpiece is prevented from being damaged.

Description

Hydraulic clamping device for machine tool

Technical Field

The utility model relates to the technical field of machine tool fixtures, in particular to a hydraulic clamping device for a machine tool.

Background

The hydraulic clamp replaces mechanical parts with hydraulic elements, realizes the automatic positioning, supporting and clamping of workpieces through hydraulic control, has the advantages of large clamping force, reliable clamping, stable work, convenient use and the like, is widely applied to scenes such as numerical control machines, machining centers, automatic production lines and the like at present, and can obtain the required clamp by assembling the selected hydraulic elements and the designed mechanical parts together.

The hydraulic clamping device on the machine tool rotary table is generally used for clamping workpieces, and in the clamping process, as the hydraulic cylinder is not provided with a buffer device, the clamping block directly clamps the workpieces, so that marks are left on the surfaces of the workpieces, and the appearance and the yield of the workpieces are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a hydraulic clamping device for a machine tool.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a lathe hydraulic clamping device, includes lathe and processing cutter, the lathe upside is equipped with the slide, the slide includes base, oil pump and notes oil pipe, the slide upside is equipped with anchor clamps, anchor clamps are equipped with two sets ofly, divide and establish the slide both sides, anchor clamps include clamp splice, protection pad, anchor clamps seat and slider, clamp splice one side is fixed with the piston, set up the oil pocket with the piston adaptation in the anchor clamps seat, slider and anchor clamps seat fixed connection, the spout with the slider adaptation is seted up to the base upside, set up the hydro-cylinder with notes oil pipe adaptation in the slider, set up the communicating oil duct with notes oil pipe in the base, the oil duct communicates with each other with the oil pump.

Preferably, the sliding seat is in sliding contact with the machine tool, and a sliding rail matched with the sliding seat is arranged on the upper side of the machine tool.

Preferably, the piston is connected with the oil chambers in a sliding mode, the piston is provided with a plurality of groups, the oil chambers correspond to the piston, and the oil chambers of the plurality of groups are communicated.

Preferably, a screw plug is embedded in one side of the clamp seat, a threaded hole matched with the screw plug is formed in the clamp seat, and the threaded hole is communicated with the oil cavity.

Preferably, the sliding block is connected with the base in a sliding mode, and the oil filling pipe is connected with the sliding block in a sliding mode.

Preferably, the protection pad is fixedly connected with the clamping block, and an anti-collision pad is arranged on one side of the sliding block.

The utility model has the beneficial effects that:

compared with the prior art, the hydraulic oil is injected into the oil cylinder through the oil injection pipe, so that the clamp is enabled to clamp, the operation is reliable, the work is stable, and meanwhile, the impact generated when the clamp clamps is shared by the hydraulic oil in the oil cavity on one side of the clamping block and the protection pad, so that the surface of a workpiece is prevented from being damaged.

Drawings

Fig. 1 is a schematic view of an assembly structure of a hydraulic clamping device of a machine tool according to the present invention;

FIG. 2 is a schematic sectional front view of a hydraulic clamping apparatus for a machine tool according to the present invention;

fig. 3 is a schematic view of a clamp structure of a hydraulic clamping device of a machine tool according to the present invention.

In the figure: the machining tool comprises a clamp 1, an oil cavity 11, a clamp block 12, a protection pad 13, a clamp seat 14, a screw plug 15, a slide block 16, a slide seat 2, a base 21, an oil channel 22, an oil pump 23, an oil filling pipe 24, a machine tool 3 and a machining tool 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a hydraulic clamping device for a machine tool comprises a machine tool 3 and a machining tool 4, wherein a slide seat 2 is arranged on the upper side of the machine tool 3, the slide seat 2 comprises a base 21, an oil pump 23 and an oil filling pipe 24, a clamp 1 is arranged on the upper side of the slide seat 2, the clamp 1 is provided with two groups, two sides of the slide seat 2 are respectively arranged, the clamp 1 comprises a clamping block 12, a protection pad 13, a clamp seat 14 and a sliding block 16, a piston 121 is fixed on one side of the clamping block 12, an oil cavity 11 matched with the piston 121 is formed in the clamp seat 14, the sliding block 16 is fixedly connected with the clamp seat 14, a sliding groove matched with the sliding block 16 is formed in the upper side of the base 21, an oil cylinder matched with the oil filling pipe 24 is formed in the sliding block 16, an oil duct 22 communicated with the oil filling pipe 24 is formed in the base 21, and the oil duct 22 is communicated with the oil pump 23.

In this embodiment, the slide base 2 is in sliding contact with the machine tool 3, and the upper side of the machine tool 3 is provided with a slide rail adapted to the slide base 2, so as to facilitate pushing the slide base 2 to contact the workpiece with the machining tool 4.

Specifically, the piston 121 is slidably connected with the oil chamber 11, the piston 121 is provided with a plurality of groups, the oil chambers 11 are arranged corresponding to the piston 121, the plurality of groups of oil chambers 11 are communicated, and impact force transmitted by the clamping block 12 is absorbed through oil liquid flow by balancing pressure.

Further, a screw plug 15 is embedded on one side of the clamp seat 14, a threaded hole matched with the screw plug 15 is formed in the clamp seat 14, and the threaded hole is communicated with the oil cavity 11, so that hydraulic oil can be added conveniently.

Specifically, the sliding connection between the sliding block 16 and the base 21 is convenient for clamping a workpiece, and the sliding connection between the oil filling pipe 24 and the sliding block 16 is used for promoting the oil cylinder to change the volume through oil hydraulic pressure so as to push the sliding block 16 to move.

Specifically, the protection pad 13 is fixedly connected with the clamping block 12 to protect the surface of a workpiece, and an anti-collision pad is arranged on one side of each sliding block 16 to prevent the sliding blocks 16 from being impacted to cause damage.

In this embodiment, in oil pump 23 with the fluid pump sending of liquid storage pot in getting into oil duct 22, send into the hydro-cylinder through oiling pipe 24 in, the hydro-cylinder volume changes, promote slider 16 to remove to make both sides anchor clamps 1 press from both sides tightly, be equipped with the spacing sealing ring with the hydro-cylinder adaptation on oiling pipe 24, avoid fluid to leak, both sides anchor clamps 1 are close to each other, clamp splice 12 presss from both sides tight work piece, the impact force of production feeds back to in the oil pocket 11 through piston 121, flow through hydraulic oil, absorb some impact, avoid equipment to cause the damage to the work piece.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Claims

1. The utility model provides a lathe hydraulic clamping device, includes lathe (3) and processing cutter (4), its characterized in that, lathe (3) upside is equipped with slide (2), slide (2) include base (21), oil pump (23) and oiling pipe (24), slide (2) upside is equipped with anchor clamps (1), anchor clamps (1) are equipped with two sets ofly, set up slide (2) both sides separately, anchor clamps (1) include clamp splice (12), protection pad (13), anchor clamps seat (14) and slider (16), clamp splice (12) one side is fixed with piston (121), set up oil pocket (11) with piston (121) adaptation in anchor clamps seat (14), slider (16) and anchor clamps seat (14) fixed connection, the spout with slider (16) adaptation is seted up to base (21) upside, set up the hydro-cylinder with oiling pipe (24) adaptation in slider (16), an oil duct (22) communicated with the oil filling pipe (24) is formed in the base (21), and the oil duct (22) is communicated with the oil pump (23).

2. Hydraulic clamping device for machine tools according to claim 1, characterised in that the slide (2) is in sliding contact with the machine tool (3), the machine tool (3) being provided on the upper side with sliding rails adapted to the slide (2).

3. The hydraulic clamping device for machine tools as claimed in claim 1, wherein the piston (121) is slidably connected to oil chambers (11), the piston (121) is provided with a plurality of sets, the oil chambers (11) are arranged corresponding to the piston (121), and the oil chambers (11) of the plurality of sets are communicated with each other.

4. The hydraulic clamping device for the machine tool as claimed in claim 3, wherein a screw plug (15) is embedded in one side of the clamp seat (14), a threaded hole matched with the screw plug (15) is formed in the clamp seat (14), and the threaded hole is communicated with the oil cavity (11).

5. Hydraulic clamping device for machine tools, according to claim 1, characterised in that said slide (16) is slidably connected to said base (21) and said filler pipe (24) is slidably connected to said slide (16).

6. The hydraulic clamping device for machine tools as claimed in claim 1, characterized in that the protective pad (13) is fixedly connected to the clamping block (12), and a crash pad is arranged on one side of the slide (16).