CN219633158U - A part milling fixture - Google Patents

Abstract

The utility model discloses a part milling fixture, which relates to the technical field of milling fixtures, and comprises an adjustment box, two linkage plates are arranged above the adjustment box, and a first rotating shaft and a second rotating shaft are rotationally connected in the two linkage plates respectively. The ends of the first rotating shaft and the second rotating shaft close to each other are equipped with splints, and an adjusting assembly for adjusting the distance between the two linkage plates is arranged in the adjusting box. The utility model has a reasonable design structure. It uses the adjustment assembly to make the two splints move close to each other, and clamps and fixes the parts under the action of the splints, and the parts in the fixed state are always located at the center line of the adjustment box. The lock rotation assembly can make the second rotating shaft drive the splint to rotate, so as to flip and adjust the parts in the fixed state, and the adjusted parts have self-locking performance, and there will be no shaking of the parts after the milling tool touches the parts, ensuring The milling quality of the part.

Description

A part milling fixture

technical field

The utility model relates to the technical field of milling fixtures, in particular to a part milling fixture.

Background technique

Milling refers to the use of a rotating multi-blade tool to cut a workpiece. It is a high-efficiency processing method. During work, the tool rotates (as the main movement), the workpiece moves (as the feed movement), and the workpiece can also be fixed, but at this time the rotating tool is still Must move (complete the main movement and feed movement at the same time), the machine tools used for milling include horizontal milling machines or vertical milling machines, and there are also large gantry milling machines. These machine tools can be ordinary machine tools or CNC machine tools, with rotating milling cutters Cutting as a cutting tool.

In the Chinese utility model application number: 202021690572.4, a milling fixture for aviation parts is disclosed, which drives the extrusion plate to rotate by manually rotating the rotating shaft, so that the clamped object can be rotated, which is convenient for processing other surfaces of the object without Save time by performing multiple clampings.

There are still some problems in the above scheme, for example, because the clamped object is rotated by driving the extrusion plate to rotate through the rotating shaft, but there is no limit structure designed on the rotating shaft, when the object is milled, the parts will not It will move due to the contact of the milling tool, which will affect the milling quality of the part. For this reason, we provide a part milling fixture to solve the above problems.

Utility model content

1) Solved technical problems

The purpose of the utility model is to provide a part milling fixture in order to make up for the deficiencies of the prior art.

2) Technical solution

In order to achieve the above purpose, the utility model provides the following technical solution: a part milling fixture, including an adjustment box, two linkage plates are arranged above the adjustment box, and the first rotation plate is respectively connected to the two linkage plates. shaft and the second rotating shaft, the ends of the first rotating shaft and the second rotating shaft close to each other are equipped with splints, and the adjustment box is provided with an adjustment assembly for adjusting the distance between the two linkage plates.

The adjustment assembly includes a two-way motor installed on the adjustment box, two moving slots opened on the adjustment box, and a two-way screw rod installed on the output shaft of the two-way motor. Two moving blocks are threaded on the two-way screw rod, The top ends of the two moving blocks respectively pass through the two moving grooves and are installed on the bottom surfaces of the two linkage plates.

The top of the adjustment box is provided with a self-locking rotating assembly for adjusting the rotation of the second rotating shaft. The self-locking rotating assembly includes an L-shaped frame mounted on the linkage plate, a self-locking motor mounted on the L-shaped frame, The driving wheel is installed on the output shaft of the self-locking motor, and the driven wheel is installed on the second rotating shaft, and the driving wheel is engaged with the driven wheel.

A placement board is arranged above the adjustment box, and a lifting assembly for lifting and adjusting the placement board is arranged on the adjustment box, and a support assembly for supporting the adjustment box is also provided on the adjustment box, and the support assembly includes The bottom plate is arranged under the adjustment box, and two sets of pillars are installed on the bottom plate, and the top ends of the pillars are installed on the bottom surface of the adjustment box.

The lifting assembly includes a support frame installed on the bottom surface of the adjustment box, and an electric push rod installed on the bottom plate. The telescopic end of the electric push rod passes through the support frame and is equipped with a linkage block. Two linkage blocks are installed on the Rod, and the top of the linkage rod runs through the adjustment box and is installed on the bottom surface of the placement plate.

Three) beneficial effect:

Compared with the prior art, the part milling fixture has the following beneficial effects:

The utility model is arranged through the cooperation between the adjusting assembly, the self-locking rotating assembly, the second rotating shaft and the splint, and the adjusting assembly can make the two splints move close to each other, and the parts are clamped and fixed under the action of the splint, and The parts in the fixed state are always located at the center line of the adjustment box, and the second rotating shaft can drive the splint to rotate through the self-locking rotating assembly, so that the parts in the fixed state can be flipped and adjusted, and the adjusted parts have self-locking performance. There will be no shaking of the part after the milling tool touches the part, which ensures the milling quality of the part.

Description of drawings

Fig. 1 is a perspective view one of the utility model;

Fig. 2 is a perspective view two of the utility model;

Fig. 3 is a sectional view of the utility model.

In the figure: 1. Adjusting box; 2. Linkage plate; 3. First rotating shaft; 4. Second rotating shaft; 5. Plywood; 6. L-shaped frame; 7. Self-locking motor; 8. Drive wheel; 9. Driven wheel; 10, bidirectional motor; 11, bidirectional screw rod; 12, moving slot; 13, moving block; 14, placing plate; 15, linkage rod; 16, support frame; 17, linkage block; 18, pillar; Electric push rod; 20, bottom plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1-3, the utility model provides a technical solution: a part milling fixture, including an adjustment box 1, two linkage plates 2 are arranged above the adjustment box 1, and the two linkage plates 2 are symmetrically arranged. The first rotating shaft 3 and the second rotating shaft 4 are rotationally connected in the two linkage plates 2 respectively, and the end of the first rotating shaft 3 and the second rotating shaft 4 close to each other is equipped with a splint 5, and the splint 5 is close to one side of the part It is a rough surface, which can clamp and fix the parts. An adjustment assembly for adjusting the distance between the two linkage plates 2 is arranged in the adjustment box 1 .

The adjustment assembly includes a bidirectional motor 10 installed on the adjustment box 1, two moving slots 12 opened on the adjustment box 1, and a bidirectional screw 11 installed on the output shaft of the bidirectional motor 10. The bidirectional screw 11 is specifically designed with On the opposite threaded rod, two moving blocks 13 are threaded on the two-way screw rod 11, and the tops of the two moving blocks 13 run through the two moving grooves 12 respectively and are installed on the bottom surfaces of the two linkage plates 2. The output rotating shaft can drive the two-way screw rod 11 to rotate in the adjustment box 1, and make the two moving blocks 13 slide in the two moving grooves 12, and can drive the two linkage plates 2 to move toward each other.

The top of the adjustment box 1 is provided with a self-locking rotating assembly for adjusting the rotation of the second rotating shaft 4. The self-locking rotating assembly includes an L-shaped frame 6 mounted on the linkage plate 2, and a self-locking motor mounted on the L-shaped frame 6. 7. The driving wheel 8 installed on the output shaft of the self-locking motor 7, the driven wheel 9 installed on the second rotating shaft 4, the driving wheel 8 is meshed with the driven wheel 9, and the driving wheel 8 is driven by the output shaft of the self-locking motor 7 Rotate, and under the action of the driven wheel 9, the second rotating shaft 4 can be rotated in the linkage plate 2, and since the self-locking motor 7 has self-locking properties, the adjusted second rotating shaft 4 also has self-locking performance .

The top of the adjustment box 1 is provided with a placement plate 14, and the adjustment box 1 is provided with a lifting assembly for lifting and adjusting the placement plate 14. The adjustment box 1 is also provided with a support assembly for supporting the adjustment box 1. The support assembly includes a Adjust the bottom plate 20 below the box 1 , two groups of pillars 18 are installed on the bottom plate 20 , and the tops of the pillars 18 are installed on the bottom surface of the regulating box 1 .

The lifting assembly includes a support frame 16 installed on the bottom surface of the adjustment box 1, an electric push rod 19 installed on the bottom plate 20, the telescopic end of the electric push rod 19 runs through the support frame 16 and a linkage block 17 is installed, and two linkage blocks 17 are installed. A linkage rod 15, and the top of the linkage rod 15 runs through the adjustment box 1 and is installed on the bottom surface of the placement plate 14, and the telescopic end of the electric push rod 19 drives the linkage block 17 to move up and down, so that the linkage rod 15 can drive the placement plate 14 to move. Lifting and moving can support the parts to be fixed, which is convenient for clamping and fixing the parts.

Working principle: First, place the parts on the placement plate 14, then start the electric push rod 19, so that the telescopic end of the electric push rod 19 drives the linkage block 17 to move up and down, so that the linkage rod 15 drives the placement plate 14 to move up and down , the part can be moved to the center position of the splint 5, and then, start the bidirectional motor 10, so that the output shaft of the bidirectional motor 10 drives the bidirectional screw 11 to rotate in the adjustment box 1, and the two moving blocks 13 are moved in two Sliding in the groove 12 can drive the two linkage plates 2 to move towards each other, and can fix the parts between the two splints 5. Then, start the electric push rod 19 to retract the telescopic end of the electric push rod 19, so that the placed The plate 14 descends to the original position, and finally, the self-locking motor 7 is started, so that the output shaft of the self-locking motor 7 drives the driving wheel 8 to rotate, and under the action of the driven wheel 9, the second rotating shaft 4 can be placed in the linkage plate 2 Rotate, so as to flip and adjust the parts in the fixed state, and the adjusted parts have self-locking performance, and there will be no shaking of the parts after the milling tool touches the parts, ensuring the milling quality of the parts.

Claims (4)

1. A part milling fixture, comprising an adjustment box (1), characterized in that two linkage plates (2) are arranged above the adjustment box (1), and the two linkage plates (2) rotate respectively The first rotating shaft (3) and the second rotating shaft (4) are connected, and the ends of the first rotating shaft (3) and the second rotating shaft (4) close to each other are equipped with splints (5), so The adjustment box (1) is provided with an adjustment assembly for adjusting the distance between the two linkage plates (2), and the top of the adjustment box (1) is provided with an automatic rotation adjustment for the second rotation shaft (4). The lock rotation assembly, the adjustment box (1) is provided with a placement plate (14), the adjustment box (1) is provided with a lifting assembly for lifting and adjusting the placement plate (14), the adjustment box (1 ) is also provided with a support assembly for supporting the adjustment box (1), and the self-locking rotation assembly includes an L-shaped frame (6) mounted on the linkage plate (2), an L-shaped frame (6) mounted on the Self-locking motor (7), the driving wheel (8) that is installed in self-locking motor (7) output rotating shaft, the driven wheel (9) that is installed on the second rotating shaft (4), described driving wheel (8) and all The driven wheel (9) is meshed. 2. A part milling fixture according to claim 1, characterized in that: the adjustment assembly includes a bidirectional motor (10) installed on the adjustment box (1), two Moving groove (12), the two-way screw mandrel (11) that is installed in bidirectional motor (10) output rotating shaft, two moving blocks (13) are threadedly connected on the described two-way screw mandrel (11), two described moving blocks ( The top ends of 13) respectively pass through the two moving slots (12) and are installed on the bottom surfaces of the two linkage plates (2). 3. A part milling fixture according to claim 1, characterized in that: the support assembly includes a bottom plate (20) arranged below the adjustment box (1), and two sets of pillars are installed on the bottom plate (20) (18), and the top of the pillar (18) is installed on the bottom surface of the regulating box (1). 4. A part milling fixture according to claim 3, characterized in that: the lifting assembly includes a support frame (16) installed on the bottom surface of the adjustment box (1), an electric push rod installed on the bottom plate (20) (19), the telescopic end of the electric push rod (19) runs through the support frame (16) and a linkage block (17) is installed, and two linkage rods (15) are installed on the linkage block (17), and the linkage The top of the rod (15) runs through the adjustment box (1) and is installed on the bottom surface of the placement plate (14).