WO2021088858A1

WO2021088858A1 - Cnc mold inclined-top machining fixture

Info

Publication number: WO2021088858A1
Application number: PCT/CN2020/126445
Authority: WO
Inventors: 郭宏军; 袁自平
Original assignee: 昆山腾宇鑫金属制品有限公司
Priority date: 2019-11-04
Filing date: 2020-11-04
Publication date: 2021-05-14
Also published as: CN211414361U

Abstract

Provided is a CNC mold inclined-top machining fixture, comprising a clamp foot (1); a fixed bottom plate (2) is disposed above the vertical part of the clamp foot (1); the upper surface of the fixed bottom plate (2) is provided with a fix unit; the fix unit comprises an upper fix plate (4) and a lower fix plate (5); one end of each of the upper fix plate (4) and the lower fix plate (5) is fixedly connected by means of a positioning pin (6); the upper fix plate (4) rotates about the lower fix plate (5) with the positioning pin (6) as the center; the upper fix plate (4) is a concave fix plate; the protruding part of the upper fix plate (4) that is not connected to the positioning pin (6) is penetrated back and forth by a workpiece fixing screw (7); the lower fix plate (5) is also provided with an angle pad block (8); the sides of the upper and lower fix plates are provided with arc-shaped angle locking blocks (9); the arc shape fits the path of rotation of the upper fix plate (4) away from the end of the positioning pin (6), and the bottom end is fixedly connected to the lower fix plate (5); the middle of the angle locking block (9) is hollow; a threaded hole is provided on the side of the upper fix plate (4) away from one end of the positioning pin (6); a locking screw (10) penetrates the angle locking block (9) and is connected to the upper fix plate (4). The fixture can process inclined tops at any angle simply by changing the angle pad block; the clamping is simple and convenient, and the workpiece is not prone to move during machining, improving the machining efficiency and machining stability of a mold inclined-top fitting.

Description

A CNC Mold Inclined Top Machining Fixture

Technical field

The utility model relates to the field of mechanical manufacturing, in particular to a CNC mold inclined top processing fixture.

Background technique

The earlier type of fixture is mainly composed of two movable jaws and fixed jaws. The type is relatively simple. The defects of this type are: it is easy to cause deformation of the workpiece hole during processing, difficult to locate, and affect processing accuracy. It is easy to locate by shape. Causes poor hole position and hole position processing error, slow clamping speed is easy to make mistakes, and processing speed is slow, workpiece processing is easy to move.

Utility model content

The utility model aims to provide a CNC mold inclined top processing fixture.

In order to achieve the above technical purpose, the present utility model adopts the following technical solution, a CNC mold oblique top processing fixture, the fixture includes two left and right clamping feet, the shape of the clamping feet is L-shaped, and the horizontal ends of the two clamping feet extend outward A fixed bottom plate is provided above the vertical part of the clamp foot, and the fixed bottom plate is fixedly installed on the presser foot by M8 fixing screws. The upper surface of the fixed bottom plate is provided with a number of fixing units, and the fixing unit includes an upper fixing plate and a lower fixing plate. , The lower fixing plate is fixed on the fixing bottom plate by fixing screws, the upper fixing plate and the lower fixing plate are fixedly connected by positioning pins at each end, the upper fixing plate rotates around the lower fixing plate with the positioning pin as the center, and the positioning pin penetrates the upper fixing The upper fixing plate is a concave fixing plate, and the two ends of the upper fixing plate are convex upwards. The convex part of the upper fixing plate that is not connected to the positioning pin is penetrated back and forth by the M8 workpiece fixing screws. The lower fixing plate is also provided Angled spacer, the angle spacer is L-shaped, the lower part is between the upper fixing plate and the lower fixing plate, the higher part of the angle spacer is attached to the convex part of the upper fixing plate, the upper and lower fixing plates An angle locking block is provided on the side of the angle locking block. The angle locking block is in the shape of an arc. The arc shape fits the rotation track of the end of the upper fixing plate away from the positioning pin. The bottom end is fixedly connected with the lower fixing plate. The middle of the angle locking block is hollow. , The side of the upper fixing plate away from the end of the positioning pin is provided with threaded holes, and the locking screw passes through the angle locking block to connect with the upper fixing plate.

Preferably, the fixing unit is provided with two groups.

Preferably, there are three M8 workpiece fixing screws penetrating the upper fixing plate for each group of fixing units.

In order to solve the problem of easy deformation of workpiece processing and easy clamping of workpiece caused by earlier fixtures, the utility model adjusts the overall design and positioning method of the fixture. The fixing unit includes an upper fixing plate and a lower fixing plate. The lower fixing plate is fixed to the fixing bottom plate by fixing screws. The upper, upper fixing plate and the lower fixing plate are fixedly connected by positioning pins at their respective ends. The upper fixing plate rotates around the lower fixing plate with the positioning pin as the center. The positioning pins penetrate the upper fixing plate and the lower fixing plate. The upper fixing plate It is a concave fixing plate with both ends protruding upward. The convex part of the upper fixing plate that is not connected to the positioning pin is penetrated back and forth by the M8 workpiece fixing screw. The lower fixing plate is also equipped with an angle pad, which is L-shaped , The lower part is cushioned between the upper fixing plate and the lower fixing plate, the higher part of the angle pad is attached to the convex part of the upper fixing plate, the sides of the upper and lower fixing plates are equipped with angle locking blocks, and the angle lock The clamping block is installed in an arc. The arc shape fits the rotation track of the upper fixing plate away from the positioning pin. Its bottom end is fixedly connected to the lower fixing plate. The middle of the angle locking block is hollow. The upper fixing plate is set on the side away from the end of the positioning pin. There are threaded holes, and the locking screw penetrates the angle locking block to connect with the upper fixing plate. The fixture designed by the utility model can process inclined tops at any angle only by changing the angle pad. The clamping is simple and convenient, the processing speed is fast, and the workpiece is processed. It is not easy to move, which greatly improves the processing efficiency and processing stability of the inclined top parts of the mold.

Description of the drawings

The above and/or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Figure 1 is a schematic diagram of the structure of the utility model.

In the figure: 1. Clamping foot; 2. Fixing the bottom plate; 3. M8 fixing screw; 4. Upper fixing plate; 5. Lower fixing plate; 6. Positioning pin; 7. M8 workpiece fixing screw; 8. Angle pad; 9. , Angle locking block; 10. Locking screws.

Detailed ways

The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present utility model, and cannot be understood as a limitation to the present utility model.

In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, they can be mechanically connected or electrically connected, or they can be The internal communication between the two elements can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms can be understood according to specific circumstances.

The following describes a CNC mold oblique top machining fixture according to an embodiment of the present utility model with reference to FIG. 1. The fixture includes two left and right clamping feet 1. The shape of the clamping feet 1 is L-shaped, and the horizontal ends of the two clamping feet 1 are all facing outward. Extend, a fixed bottom plate 2 is provided above the vertical part of the clamp foot 1, and the fixed bottom plate 2 is fixedly installed on the presser foot 1 by M8 fixing screws 3. The upper surface of the fixed bottom plate 2 is provided with a number of fixing units, and the fixing units include The upper fixing plate 4 and the lower fixing plate 5, the lower fixing plate 5 is fixed on the fixing bottom plate 2 by fixing screws, the upper fixing plate 4 and the lower fixing plate 5 are fixedly connected by positioning pins 6 at their respective ends, and the upper fixing plate 4 is fixed with The positioning pin 6 rotates around the lower fixing plate 5 with the center of the circle. The positioning pin 6 penetrates the upper fixing plate 4 and the lower fixing plate 5. The upper fixing plate 4 is a concave fixing plate with both ends protruding upward, and the upper fixing plate 4 does not The protruding part of one end of the connecting positioning pin 6 is penetrated back and forth by the M8 workpiece fixing screw 7. The lower fixing plate 5 is also provided with an angle spacer 8 which is L-shaped, and the lower part is cushioned on the upper fixing plate 4 Between the lower fixing plates 5, the higher part of the angle spacer 8 is attached to the convex part of the upper fixing plate 4. The sides of the upper and lower fixing plates are provided with angle locking blocks 9, which are arc-shaped , The arc shape fits the rotation track of the upper fixing plate 4 away from the end of the positioning pin 6, its bottom end is fixedly connected with the lower fixing plate 5, the middle of the angle locking block 9 is hollow, and the upper fixing plate 4 is arranged on the side away from the end of the positioning pin 6 There is a threaded hole, and the locking screw 10 penetrates the angle locking block 9 and is connected to the upper fixing plate 4.

Preferably, the fixing unit is provided with two groups.

Preferably, there are three M8 workpiece fixing screws 7 passing through the upper fixing plate 4 in each group of fixing units.

In order to solve the problem of easy deformation of workpiece processing and easy clamping of workpiece caused by earlier fixtures, the utility model adjusts the overall design and positioning method of the fixture. The fixing unit includes an upper fixing plate and a lower fixing plate. The lower fixing plate is fixed to the fixing bottom plate by fixing screws. The upper, upper fixing plate and the lower fixing plate are fixedly connected by positioning pins at their respective ends. The upper fixing plate rotates around the lower fixing plate with the positioning pin as the center. The positioning pins penetrate the upper fixing plate and the lower fixing plate. The upper fixing plate It is a concave fixing plate with both ends protruding upward. The convex part of the upper fixing plate that is not connected to the positioning pin is penetrated back and forth by the M8 workpiece fixing screw. The lower fixing plate is also equipped with an angle pad, which is L-shaped , The lower part is cushioned between the upper fixing plate and the lower fixing plate, the higher part of the angle pad is attached to the convex part of the upper fixing plate, the sides of the upper and lower fixing plates are equipped with angle locking blocks, and the angle lock The clamping block is arc-mounted, and the arc shape fits the rotation track of the upper fixing plate away from the positioning pin. Its bottom end is fixedly connected with the lower fixing plate. The middle of the angle locking block is hollow, and the upper fixing plate is set on the side away from the end of the positioning pin. There are threaded holes, and the locking screw penetrates the angle locking block to connect with the upper fixing plate. The fixture designed by the utility model can process inclined tops at any angle only by changing the angle pad. The clamping is simple and convenient, the processing speed is fast, and the workpiece is processed. It is not easy to move, which greatly improves the processing efficiency and processing stability of the inclined top parts of the mold.

In the description of this specification, the description with reference to the terms "one embodiment", "example", or "some examples" etc. means that the specific feature, structure, material or characteristic described in combination with the embodiment or example is included in the present utility model. In at least one embodiment or example. In this specification, the schematic representation of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and substitutions can be made to these embodiments without departing from the principle and purpose of the present invention. Variations, the scope of the utility model is defined by the claims and their equivalents.

Claims

A CNC mold slant top processing fixture, characterized in that the fixture includes two left and right clamping feet, the shape of the clamping feet is L-shaped, the horizontal ends of the two clamping feet extend outward, and the vertical part of the clamping feet is set above There is a fixed bottom plate. The fixed bottom plate is fixedly installed on the presser foot by M8 fixing screws. The upper surface of the fixed bottom plate is provided with a number of fixing units. The fixing unit includes an upper fixing plate and a lower fixing plate. The lower fixing plate is fixed on the fixing plate by fixing screws. On the bottom plate, the respective ends of the upper fixing plate and the lower fixing plate are fixedly connected by positioning pins. The upper fixing plate rotates around the lower fixing plate with the positioning pin as the center. The positioning pins penetrate the upper fixing plate and the lower fixing plate. The plate is a concave fixed plate, with both ends protruding upwards. The convex part of the upper fixed plate not connected to the positioning pin is penetrated back and forth by the M8 workpiece fixing screw. The lower fixed plate is also equipped with an angle pad, the angle pad is L The lower part is cushioned between the upper fixing plate and the lower fixing plate. The higher part of the angle pad is attached to the convex part of the upper fixing plate. The sides of the upper and lower fixing plates are equipped with angle locking blocks. The locking block is in the shape of an arc, and the arc shape fits the rotation track of the upper fixing plate away from the positioning pin, and its bottom end is fixedly connected with the lower fixing plate, the middle of the angle locking block is hollow, and the upper fixing plate is away from the side of the positioning pin. A threaded hole is provided, and the locking screw penetrates the angle locking block to connect with the upper fixing plate.
The clamp according to claim 1, wherein the fixing unit is provided with two groups.
The clamp according to claim 1, wherein there are three M8 workpiece fixing screws penetrating the upper fixing plate in each group of fixing units.