CN219094429U - High-precision tool clamp for copper bottom plate - Google Patents

Abstract

The utility model relates to the technical field of metal processing clamps and discloses a high-precision tool clamp for a copper bottom plate, which comprises a mounting plate, wherein a hydraulic cylinder is mounted at the top of the mounting plate, a lower clamping mechanism for clamping the copper bottom plate is mounted at the top end of the hydraulic cylinder through an output shaft, an upper clamping mechanism for clamping the copper bottom plate is arranged right above the lower clamping mechanism, the upper clamping mechanism comprises a fixing frame, a connecting frame is mounted at one side of the fixing frame, and a plurality of upper clamping plates are connected inside the fixing frame in a sliding mode. This high accuracy frock clamp of copper bottom plate, when processing the position of copper bottom plate difference, can rotatory regulating spindle, drive the lead screw through the regulating spindle and rotate, the lead screw drives the upper plate at the inside of mount and slides this moment to change the position of processing groove on the upper plate, thereby change the processing position of copper bottom plate, be convenient for process out the copper bottom plate of different specifications, it is comparatively convenient to use.

Description

High-precision tool clamp for copper bottom plate

Technical Field

The utility model relates to the technical field of metal machining fixtures, in particular to a high-precision fixture for a copper bottom plate.

Background

With the development of numerical control technology, the machining of parts of many products is completed by a numerical control machine tool, and a fixture is generally required to clamp a workpiece or guide a tool during CNC machining, which is used for positioning the workpiece so that the machined workpiece, such as a copper block cooling fin, can obtain a correct position relative to the machine tool and the tool, and reliably clamp the machined workpiece. In the process of a radiator such as copper aluminum, a copper bottom plate needs to be machined, positioning is not accurate enough in machining in the prior art, and flatness of a sheet material in machining is difficult to guarantee.

A high-precision tooling fixture for copper base plates disclosed in chinese issued patent application publication No. CN207014061U, but the structural design of the above prior art:

although the flatness of copper bottom plate centre gripping time has been improved, but be used for the through-hole position of processing comparatively fixed on the cope match-plate pattern, when processing the copper bottom plate of different specifications, still need to change different anchor clamps, it is comparatively inconvenient to use.

So we propose a high precision tooling fixture for copper base plates in order to solve the problems set forth above.

It should be noted that the information disclosed in the background section of the present utility model is only for increasing the understanding of the general background of the present utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art in the background technology, the utility model aims to provide a high-precision tool clamp for a copper bottom plate, so as to solve the problems in the background technology.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the high-precision tool clamp for the copper bottom plate comprises a mounting plate, wherein a hydraulic cylinder is mounted at the top of the mounting plate, a lower clamping mechanism for clamping the copper bottom plate is mounted at the top end of the hydraulic cylinder through an output shaft, and an upper clamping mechanism for clamping the copper bottom plate is arranged right above the lower clamping mechanism;

the upper clamping mechanism comprises a fixing frame, a connecting frame is installed on one side of the fixing frame, a plurality of upper clamping plates are connected to the inside of the fixing frame in a sliding mode, a machining groove is formed in the middle of each upper clamping plate, and a screw is connected to one side, close to the machining groove, of the inside of each upper clamping plate in a threaded mode.

Preferably, slide bars are arranged on two sides of the top of the mounting plate, and a baffle is arranged on the top end of each slide bar.

Preferably, the two sides of the fixing frame are provided with through grooves for the upper clamping plates to pass through, and one side of the upper clamping plates is movably connected with one side of the inner wall of the connecting frame.

Preferably, one side of the connecting frame is rotatably connected with an adjusting shaft for driving the screw rod to rotate.

Preferably, the lower clamping mechanism comprises a lifting plate, a lower clamping plate is arranged at the top of the lifting plate, and first limiting plates are arranged on the front side and the rear side of the lower clamping plate.

Preferably, a second limiting plate is arranged on one side of the lower clamping plate, and a movable plate is movably connected to the other side of the lower clamping plate.

Preferably, an elastic piece is installed on one side of the movable plate, and a fixed plate is installed at one end of the elastic piece.

(III) beneficial effects

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

(1) When the copper bottom plate is processed at different positions, the adjusting shaft can be rotated, the screw rod is driven to rotate by the adjusting shaft, and the screw rod drives the upper clamping plate to slide in the fixing frame, so that the position of the processing groove on the upper clamping plate is changed, the processing position of the copper bottom plate is changed, copper bottom plates with different specifications can be processed conveniently, and the copper bottom plate processing device is convenient to use.

Drawings

FIG. 1 is a schematic diagram of the overall front view of a high-precision tooling fixture for copper base plates of the present utility model;

FIG. 2 is a schematic top view of the lower clamping plate of the high-precision tooling clamp of the copper base plate of the utility model;

FIG. 3 is a schematic perspective view of an upper clamping mechanism of the high-precision tooling fixture of the copper base plate of the present utility model;

fig. 4 is a schematic cross-sectional structure of an upper clamping plate of the high-precision tool clamp of the copper base plate.

In the figure: 1. a mounting plate; 2. a hydraulic cylinder; 3. a lower clamping mechanism; 4. a slide bar; 5. an upper clamping mechanism; 31. a lifting plate; 32. a lower clamping plate; 33. a first limiting plate; 34. a second limiting plate; 35. a fixing plate; 36. an elastic member; 37. a movable plate; 51. a fixing frame; 52. a connecting frame; 53. an adjusting shaft; 54. an upper clamping plate; 55. a processing groove; 56. and (5) a screw rod.

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 high-precision tooling fixture for copper base plates; the copper bottom plate clamping device comprises a mounting plate 1, wherein a hydraulic cylinder 2 is arranged at the top of the mounting plate 1, a lower clamping mechanism 3 for clamping a copper bottom plate is arranged at the top end of the hydraulic cylinder 2 through an output shaft, and an upper clamping mechanism 5 for clamping the copper bottom plate is arranged right above the lower clamping mechanism 3;

the upper clamping mechanism 5 comprises a fixing frame 51, the fixing frame 51 is shaped like a Chinese character 'kou', a connecting frame 52 is installed on one side of the fixing frame 51, the connecting frame 52 is shaped like a U, a plurality of upper clamping plates 54 are connected inside the fixing frame 51 in a sliding mode, a processing groove 55 is formed in the middle of each upper clamping plate 54, and a screw rod 56 is connected to one side, close to the processing groove 55, of the inner portion of each upper clamping plate 54 in a threaded mode.

As shown in fig. 1-2, as a preferable mode, slide bars 4 are mounted on two sides of the top of the mounting plate 1, the top ends of the slide bars 4 sequentially penetrate through the lower clamping mechanism 3 and the upper clamping mechanism 5 and extend to the outside, a fixing frame 51 is mounted on the outer side of the slide bars 4, a baffle is mounted on the top ends of the slide bars 4, and the stability of the lower clamping mechanism 3 during lifting can be improved by the aid of the slide bars 4;

as shown in fig. 3, preferably, both sides of the fixing frame 51 are provided with through grooves through which the upper clamping plates 54 pass, and the upper clamping plates 54 can extend out of the fixing frame 51 through the through grooves, so that the position of the processing groove 55 is adjusted, one side of the upper clamping plates 54 is movably connected with one side of the inner wall of the connecting frame 52, and the length of the upper clamping plates 54 extending to the connecting frame 52 is equal to the length from the processing groove 55 to the edge of the inner wall of the fixing frame 51;

as shown in fig. 3 to 4, preferably, one side of the connecting frame 52 is rotatably connected with an adjusting shaft 53 for driving the screw rod 56 to rotate, one end of the adjusting shaft 53 penetrates through one side of the connecting frame 52 and is mounted at one end of the screw rod 56, and the upper clamping plate 54 can be driven to move left and right through the adjusting shaft 53;

as shown in fig. 1-2, as a preferred embodiment, the lower clamping mechanism 3 comprises a lifting plate 31, a hole matched with the sliding rod 4 is formed in the lifting plate 31, an output shaft of the hydraulic cylinder 2 is installed at the bottom of the lifting plate 31, a lower clamping plate 32 is installed at the top of the lifting plate 31, the top of the lower clamping plate 32 is positioned in a fixing frame 51 after the lifting, first limiting plates 33 are installed at the front side and the rear side of the lower clamping plate 32, and the first limiting plates 33 are used for limiting the copper bottom plate front and rear;

as shown in fig. 1-2, as a preferable mode, a second limiting plate 34 is installed on one side of the lower clamping plate 32, the length of the first limiting plate 33 is longer than that of the second limiting plate 34, a movable plate 37 is movably connected to the other side of the lower clamping plate 32, the second limiting plate 34 and the movable plate 37 are the same in size, limiting grooves for limiting the copper bottom plate are formed in the first limiting plate 33, the second limiting plate 34 and the movable plate 37, and the top of the lower clamping plate 32 and the inner bottom wall of the limiting grooves are located on the same horizontal line;

as shown in fig. 1-2, as a preferred embodiment, an elastic member 36 is mounted on one side of the movable plate 37, the elastic member 36 is a spring, and the space between the movable plate 37 and the second limiting plate 34 can be adjusted by compressing the elastic member 36, so that the copper bottom plate can be conveniently placed and fastened, a fixed plate 35 is mounted on one end of the elastic member 36, and the bottom of the fixed plate 35 is mounted on the top of the lifting plate 31.

It should be noted that, this embodiment is a high-precision fixture for copper bottom plates, when in processing, four edges of the copper bottom plates are respectively clamped into the limiting grooves on the first limiting plate 33, the second limiting plate 34 and the movable plate 37, at this time, under the action of the elastic piece 36, the copper bottom plates can be clamped at the top of the lower clamping plate 32, then the hydraulic cylinder 2 is started, at this time, the hydraulic cylinder 2 drives the copper bottom plates at the top of the lower clamping plate 32 to move upwards and approach the upper clamping plate 54 on the fixing frame 51 through the lifting plate 31 on the output shaft, so that the copper bottom plates are clamped between the upper clamping plate 54 of the lower clamping plate 32, thereby completing the clamping of the copper bottom plates, then a machine tool cutter passes through the processing groove 55 to process the copper bottom plates, when the copper bottom plates are required to be processed at different positions, the adjusting shaft 53 can be rotated, the screw rod 56 is driven to rotate through the adjusting shaft 53, at this time, the screw rod 56 drives the upper clamping plate 54 to slide in the fixing frame 51, thereby changing the position of the processing groove 55 on the upper clamping plate 54, thereby changing the processing position of the copper bottom plates, and being convenient for processing copper bottom plates with different specifications.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The high-precision tool clamp for the copper bottom plate comprises a mounting plate (1), wherein a hydraulic cylinder (2) is mounted at the top of the mounting plate (1), and is characterized in that a lower clamping mechanism (3) for clamping the copper bottom plate is mounted at the top end of the hydraulic cylinder (2) through an output shaft, and an upper clamping mechanism (5) for clamping the copper bottom plate is arranged right above the lower clamping mechanism (3);

the upper clamping mechanism (5) comprises a fixing frame (51), a connecting frame (52) is arranged on one side of the fixing frame (51), a plurality of upper clamping plates (54) are connected to the fixing frame (51) in a sliding mode, a machining groove (55) is formed in the middle of each upper clamping plate (54), and a screw (56) is connected to one side, close to the machining groove (55), of the upper clamping plates (54) in a threaded mode.

2. The high-precision tool clamp for the copper bottom plate according to claim 1, wherein sliding rods (4) are arranged on two sides of the top of the mounting plate (1), and a baffle is arranged at the top end of each sliding rod (4).

3. The high-precision tool clamp of the copper bottom plate according to claim 1, wherein through grooves for allowing the upper clamping plates (54) to pass through are formed in two sides of the fixing frame (51), and one side of each upper clamping plate (54) is movably connected with one side of the inner wall of the connecting frame (52).

4. The high-precision tool clamp for the copper base plate according to claim 1, wherein one side of the connecting frame (52) is rotatably connected with an adjusting shaft (53) for driving a screw rod (56) to rotate.

5. The high-precision tool clamp for the copper bottom plate according to claim 1, wherein the lower clamping mechanism (3) comprises a lifting plate (31), a lower clamping plate (32) is arranged at the top of the lifting plate (31), and first limiting plates (33) are arranged on the front side and the rear side of the lower clamping plate (32).

6. The high-precision tool clamp for the copper bottom plate according to claim 5, wherein a second limiting plate (34) is arranged on one side of the lower clamping plate (32), and a movable plate (37) is movably connected to the other side of the lower clamping plate (32).

7. The high-precision tool clamp for the copper base plate according to claim 6, wherein an elastic member (36) is mounted on one side of the movable plate (37), and a fixed plate (35) is mounted on one end of the elastic member (36).

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