CN209394118U - An auxiliary device for mold processing used in conjunction with EDM machine tools - Google Patents

Abstract

The utility model discloses a kind of and matched mold auxiliary processing devices of EDM lathe, it include: main body, linkage block, guide rail, gear and rack gear, wherein: main body is oppositely disposed in the both ends of guide rail with linkage block, and main body is fixedly connected with guide rail, main body is equipped with upper central axis and lower central axis with its rolling assembling, linkage block is slidably connected with guide rail, linkage block is equipped with locating plate for being docked with the component that can be moved up and down in EDM lathe far from one end of main body, be equipped between linkage block and main body with the two against compressed spring；It is connected between the upper central axis and lower central axis by transmission mechanism；Gear is fixedly mounted on central axis, and rack gear is fixedly mounted in linkage block, and rack and pinion engages.The three axis machining mode of existing EDM lathe can be converted into the four axis lathes with rotary shaft after the utility model and the cooperation of existing EDM lathe.

Description

An auxiliary device for mold processing used in conjunction with EDM machine tools

technical field

The utility model relates to the technical field of mold processing equipment, in particular to a mold processing auxiliary device matched with an EDM machine tool.

Background technique

Existing EDM machine tools belong to three-axis processing machine tools, including components that can move up and down and worktables that can move along the X-axis and Y-axis directions. However, some molds need to be processed by rotating the processing head in the XY plane. This type of machine tool cannot meet the processing requirements of such molds.

Utility model content

In order to solve the technical problems existing in the background technology, the utility model proposes a mold processing auxiliary device matched with an EDM machine tool.

The utility model proposes a mold processing auxiliary device matched with an EDM machine tool, comprising: a main body, a linkage block, a guide rail, a gear and a rack, wherein:

The main body and the linkage block are relatively arranged at both ends of the guide rail, and the main body is fixedly connected to the guide rail. The positioning piece is docked with the parts that can move up and down in the EDM machine tool, and a compression spring that abuts against the two is provided between the linkage block and the main body; the upper central shaft and the lower central shaft are arranged at intervals along the length direction of the guide rail, And the extension directions of the upper central axis and the lower central axis are respectively perpendicular to the extending direction of the guide rail, and the upper central axis and the lower central axis are connected by a transmission mechanism;

The gear is fixedly installed on the upper central shaft, the rack is fixedly installed on the linkage block, and the rack is engaged with the gear.

Preferably, the transmission mechanism includes a first synchronous wheel, a second synchronous wheel and a synchronous belt connecting the first synchronous wheel and the second synchronous wheel, the first synchronous wheel is fixedly installed on the upper central shaft, and the second synchronous wheel is fixedly installed on the lower central axis.

Preferably, the side of the main body away from the linkage block is provided with an insulating block fixed thereto.

Preferably, a guide post is provided between the linkage block and the main body, one end of the guide post is fixed to the linkage block, and the other end extends into the main body and can slide up and down inside the main body; the compression spring is sleeved on the guide post.

Preferably, the main body is a rectangular frame, and the end of the guide column away from the linkage block extends through the side wall of the main body and into its inner side.

Preferably, the guide rail includes a first guide rail and a second guide rail located on one side of the first guide rail and arranged at a distance from the first guide rail.

Preferably, the compression spring is located between the first rail and the second rail.

Preferably, the compression spring includes a first compression spring and a second compression spring located on one side of the first compression spring and arranged at a distance from the first compression spring.

In the utility model, by setting the structure of the main body, the linkage block, the gear and the rack and the assembly relationship between each other, the auxiliary device is docked with the EDM machine tool through the positioning piece on the linkage block, and the auxiliary device When the linkage block moves down, it can drive the upper central shaft and the lower central shaft to rotate synchronously, so that after the auxiliary device is docked with the EDM machine tool, when the EDM machine tool performs up and down processing movements, it can drive the upper central shaft and the lower central shaft to rotate synchronously, thereby Convert an existing EDM machine to a 4-axis machine with a rotary axis.

Description of drawings

Fig. 1 is a structural representation of a mold processing auxiliary device that is used in conjunction with an EDM machine tool proposed by the utility model;

Fig. 2 is a side view of a mold processing auxiliary device used in conjunction with an EDM machine tool proposed by the utility model.

Detailed ways

Below, the technical solution of the utility model is described in detail through specific embodiments.

As shown in Figures 1-2, Figure 1 is a structural schematic diagram of a mold processing auxiliary device used in conjunction with an EDM machine tool proposed by the utility model; Figure 2 is a mold processing tool used in conjunction with an EDM machine tool proposed by the utility model Side view of the auxiliary device.

Referring to Fig. 1-2, the utility model proposes a mold processing auxiliary device matched with an EDM machine tool, including: a main body 1, a linkage block 2, a guide rail 3, a gear 4 and a rack 5, wherein: the main body 1 and the linkage block 2 is relatively arranged at both ends of the guide rail 3, and the main body 1 is fixedly connected to the guide rail 3. The main body 1 is provided with an upper central shaft 6 and a lower central shaft 7 that are rotatably assembled with it. The linkage block 2 is slidingly connected to the guide rail 3. The linkage block 2 The end away from the main body 1 is provided with a positioning piece 8 for docking with parts that can move up and down in the EDM machine tool, and a compression spring 14 is provided between the linkage block 2 and the main body 1 to abut against both.

The upper central axis 6 and the lower central axis 7 are arranged at intervals along the length direction of the guide rail 3, and the extension directions of the upper central axis 6 and the lower central axis 7 are respectively perpendicular to the extension direction of the guide rail 3, and the upper central axis 6 and the lower central axis 7 They are connected by a transmission mechanism, and the transmission mechanism includes a first synchronous wheel 9, a second synchronous wheel 10 and a synchronous belt 11 connecting the first synchronous wheel 9 and the second synchronous wheel 10, and the first synchronous wheel 9 is fixedly installed On the upper central shaft 6, the second synchronous wheel 10 is fixedly installed on the lower central shaft 7, so that when the upper central shaft 6 rotates, the lower central shaft 7 rotates synchronously thereupon. The gear 4 is fixedly installed on the upper central shaft 6, the rack 5 is fixedly installed on the linkage block 2, and the rack 5 is meshed with the gear 4, so that the upper center can be made to cooperate with the rack 5 and the gear 4 when the linkage block 2 goes down. The shaft 6 rotates synchronously with the lower central shaft 7 .

During use, the linkage block 2 is docked with the parts that move up and down in the EDM machine tool through the positioning piece 8 in advance, so that the linkage block 2 can move up and down as the parts move up and down, and then the electrode 15 for processing is fixed. On the lower central axis 7. When performing processing operations, fix the mold (or part) to be processed on the worktable that can move along the X-axis and Y-axis in the EDM machine tool, and make the end of the main body 1 away from the linkage block 2 lean against the to-be-processed On the mold (or part), so that the EDM machine tool can move up and down when the parts move up and down, the linkage block 2 will move down accordingly, so that the rack 5 fixed on the linkage block 2 will move downward accordingly, and then The gear 4 engaged with the rack 5 rotates, and the rotating gear 4 drives the upper central shaft 6 and the lower central shaft 7 to rotate synchronously through the transmission mechanism, so that the electrode 15 installed on the lower central shaft 7 rotates accordingly. To process the mold (or part).

It can be seen from the above that the utility model sets the structure of the main body 1, the linkage block 2, the gear 4 and the rack 5 and the assembly relationship between them, so that the auxiliary device can pass through the positioning piece 8 on the linkage block 2 and the EDM. The machine tool is docked, and when the linkage block 2 in the auxiliary device moves down, it can drive the upper central shaft 6 and the lower central shaft 7 to rotate synchronously, so that after the auxiliary device is docked with the EDM machine tool, when the EDM machine tool performs up and down processing movements, it can drive The upper central shaft 6 rotates synchronously with the lower central shaft 7, thereby converting the three-axis machine tool of the existing EDM machine tool into a four-axis machine tool with rotary axes.

In addition, since the positive and negative poles are processed by EDM, the stages of the main body 1 and the mold (or parts) are different. Therefore, in this embodiment, an insulating block 12 is fixed to the side of the main body 1 away from the linkage block 2 to pass The insulating block 12 separates the main body 1 from the mold (or part) to be processed.

In this embodiment, the main body 1 is a rectangular frame, and a guide post 13 is provided between the linkage block 2 and the main body 1. One end of the guide post 13 is fixed to the linkage block 2, and the other end of the guide post 13 extends through the side wall of the main body 1. Its inner side, to avoid interference between the guide post 13 and the workpiece when the linkage block 2 moves down. The compression spring 14 is sleeved on the guide post 13 to improve the guiding line between the linkage block 2 and the main body 1 and ensure the consistency of the compression path of the compression spring 14 .

In this embodiment, the guide rail 3 includes a first guide rail and a second guide rail located on one side of the first guide rail and arranged at a distance from the first guide rail; the compression spring 14 is located between the first guide rail and the second guide rail, and the compression spring 14 includes a first A compression spring and a second compression spring located on one side of the first compression spring and arranged at a distance from the first compression spring. In order to further improve the stability and compactness of the auxiliary device structure.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (8)

1. A mold processing auxiliary device used in conjunction with an EDM machine tool, characterized in that it comprises: a main body (1), a linkage block (2), a guide rail (3), a gear (4) and a rack (5), wherein: The main body (1) and the linkage block (2) are arranged at both ends of the guide rail (3), and the main body (1) is fixedly connected with the guide rail (3). The main body (1) is provided with an upper central shaft (6 ) and the lower central shaft (7), the linkage block (2) and the guide rail (3) are slidingly connected, and the end of the linkage block (2) away from the main body (1) is provided with a positioning for docking with parts that can move up and down in the EDM machine tool piece (8), a compression spring (14) is provided between the linkage block (2) and the main body (1); the upper central shaft (6) and the lower central shaft (7) are arranged along the guide rail (3 ) in the length direction, and the extension directions of the upper central axis (6) and the lower central axis (7) are respectively perpendicular to the extension direction of the guide rail (3), and the distance between the upper central axis (6) and the lower central axis (7) are connected by a transmission mechanism; The gear (4) is fixedly installed on the upper central shaft (6), the tooth bar (5) is fixedly installed on the linkage block (2), and the tooth bar (5) meshes with the gear (4). 2. The mold processing auxiliary device matched with the EDM machine tool according to claim 1, wherein the transmission mechanism includes a first synchronous wheel (9), a second synchronous wheel (10) and a first synchronous wheel (9) connected ) and the timing belt (11) of the second synchronous wheel (10), the first synchronous wheel (9) is fixedly installed on the upper central shaft (6), and the second synchronous wheel (10) is fixedly installed on the lower central shaft (7 )superior. 3. The mold processing auxiliary device matched with the EDM machine tool according to claim 1, characterized in that, the side of the main body (1) away from the linkage block (2) is provided with an insulating block (12) fixed thereto. 4. The mold processing auxiliary device matched with the EDM machine tool according to claim 1, wherein a guide post (13) is also provided between the linkage block (2) and the main body (1), and the guide post (13 ) is fixed with the linkage block (2), and its other end stretches into the inside of the main body (1) and can slide up and down inside the main body (1); the compression spring (14) is sleeved on the guide post (13). 5. The mold processing auxiliary device matched with the EDM machine tool according to claim 4, characterized in that the main body (1) is a rectangular frame, and the end of the guide post (13) away from the linkage block (2) passes through the main body The side wall of (1) stretches into its inner side. 6. according to any one of claim 1-5 described in the supporting mold processing auxiliary device that is used with EDM machine tool, it is characterized in that, guide rail (3) comprises first guide rail and is positioned at first guide rail side and is connected with first guide rail Second guide rails arranged at intervals. 7. The mold processing auxiliary device matched with the EDM machine tool according to claim 6, characterized in that the compression spring (14) is located between the first guide rail and the second guide rail. 8. The mold processing auxiliary device matched with the EDM machine tool according to claim 7, characterized in that, the compression spring (14) comprises a first compression spring and is located on one side of the first compression spring and arranged at a distance from the first compression spring the second compression spring.