Die lubricating structure

Abstract

The utility model discloses a die lubricating structure which comprises a bottom die, a top die is arranged at one end of the bottom die, and the bottom die is rotationally connected with a cylinder through a bearing. According to the utility model, the top mold is used for driving the curved bar and the bottom mold to move in a fitting manner, so that the curved bar can drive the cylinder to move the pipe body out of the space between the bottom mold and the top mold by using the transmission with the sliding rail, and the pipe body can be prevented from influencing the fitting operation of the top mold and the bottom mold; the column body can be driven again to drive the pipe body to move to the position between the bottom mold and the top mold, then lubricating oil spraying operation is conducted, the labor amount of lubricating operation of workers can be reduced, lubricating is convenient, a through hole does not need to be formed in a cavity of the bottom mold, and the phenomenon that when a workpiece is pressed to deform in the bottom mold, the workpiece is damaged is avoided. The problem that the quality of a finished product is affected due to the fact that the top die is pressed down to enter the through hole and the formed workpiece has flaws is solved.

Description

Technical Field

[0001] The utility model relates to the technical field related to molds, in particular to a mold lubrication structure. Background Art

[0002] When the mold is processing the workpiece, in order to facilitate better demolding of the workpiece, it is necessary to use a lubrication structure to spray lubricating oil in the mold cavity in advance. There is currently a compression molding mold with an oil injection lubrication structure (Announcement No.: CN215750368U), which is convenient for the compression molding mold to increase the pressure in the oil tank by squeezing the booster slider before each compression molding, and at the same time drive the wheel to rotate. The wheel squeezes the injection tube through the arc pressure plate to inject the lubricating oil into the bottom mold, thereby facilitating the removal of the product from the bottom mold, while reducing the workload of technicians and improving efficiency.

[0003] The above-mentioned problem is that although the lubricating oil can be injected into the bottom mold by fitting the top mold and the bottom mold, it is necessary to additionally open a through hole in the cavity in the bottom film so that the lubricating oil can be injected into the bottom mold. When the workpiece is deformed by compression in the mold, the downward pressure of the top mold may enter the through hole, causing defects in the molded workpiece, thereby affecting the quality of the finished product. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a mold lubrication structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A mold lubrication structure includes a bottom mold, a top mold is provided at one end of the bottom mold, the bottom mold is rotatably connected to a column through a bearing, a slide groove is processed on the column, a curved rod is slidably connected to the spiral of the slide groove, the curved rod is fixedly connected to the top mold, a sleeve is fixedly connected to the column, and a tube body is passed through the sleeve.

[0007] Preferably, the tube body is connected to a shell, and a plurality of nozzles are installed in a circular array on the shell.

[0008] Preferably, a bolt is threadedly connected to the sleeve, and one end of the bolt is fitted with the tube body.

[0009] Preferably, a rubber ring is fixedly connected at the joint between the sleeve body and the tube body.

[0010] Preferably, a hydraulic cylinder is installed at the top mold.

[0011] Preferably, a liquid inlet is fixedly connected to one end of the tube body.

[0012] Preferably, the plurality of groups of nozzles are placed in the cavity of the bottom mold with one end away from the shell facing away from the shell.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the coordination among the bottom mold, top mold, column, slide groove, curved rod, sleeve and tube body, the top mold is used to drive the curved rod to fit and move with the bottom mold, and the curved rod can use the transmission with the slide rail to drive the column to move the tube body out from between the bottom mold and the top mold, so as to avoid the tube body affecting the fitting operation of the top mold and the bottom mold. At the same time, when the top mold drives the curved rod to move upward to the spiral of the slide rail, the column can be driven again to drive the tube body to move between the bottom mold and the top mold, and then the lubricating oil spraying operation can be carried out, which can reduce the labor of the staff in the lubrication operation, facilitate lubrication, and do not need to open a through hole in the cavity of the bottom mold, so as to avoid the workpiece being pressed and deformed in the bottom mold, which may enter the inner part of the through hole due to the downward pressure of the top mold, causing the workpiece to have defects after molding, and affecting the quality of the finished product;

[0015] 2. By coordinating the shell, the tube body and the nozzle, and using the multiple sets of nozzles at the shell to be placed obliquely, the shell is placed at a certain height above the bottom mold, which does not affect the removal or placement of the workpiece in the bottom mold. At the same time, the multiple sets of nozzles can also spray the lubricating oil more evenly in the cavity of the bottom mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a mold lubrication structure proposed by the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the structure of the top mold, column and slide;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the middle curved rod, the sleeve body and the tube body;

[0019] Figure 4 for Figure 3 Schematic diagram of the structure of the center column, the slideway and the curved rod;

[0020] Figure 5 for Figure 3 Schematic diagram of the structure of the middle tube body, shell and nozzle.

[0021] In the figure: 1. bottom mold; 2. top mold; 3. cylinder; 4. slide groove; 5. curved rod; 6. sleeve; 7. tube body; 8. shell; 9. nozzle; 10. rubber ring; 11. bolt; 12. liquid inlet; 13. hydraulic cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1, reference Figures 1 to 5 A mold lubrication structure includes a bottom mold 1, a top mold 2 is provided at one end of the bottom mold 1, the bottom mold 1 is rotatably connected to a column 3 through a bearing, a slide groove 4 is processed at the column 3, the slide groove 4 is composed of a straight and spiral slide groove, a curved rod 5 is slidably connected to the spiral of the slide groove 4, the curved rod 5 is fixedly connected to the top mold 2, the top mold 2 can drive the curved rod 5 to move synchronously, a sleeve 6 is fixedly connected to the column 3, a tube 7 is passed through the sleeve 6, and when the top mold 2 drives the curved rod 5 to fit and move with the bottom mold 1, the curved rod 5 will utilize At the spiral part of the slide groove 4, in cooperation with the transmission of the slide groove 4, the column 3 drives the tube body 7 to rotate, so that the tube body 7 can be moved out from between the bottom mold 1 and the top mold 2. When the top mold 2 is separated from the bottom mold 1, the top mold 2 will drive the curved rod 5 to move first in the straight part of the slide groove 4, and when it moves to the spiral part of the slide groove 4, it will drive the column 3 again to pull the tube body 7 to rotate between the bottom mold 1 and the top mold 2, and then the lubricating oil spraying operation is performed on the cavity of the bottom mold 1, which can reduce the labor of the staff's lubrication operation and facilitate lubrication.

[0024] In this embodiment, the tube body 7 is connected with a shell 8, and a plurality of nozzles 9 are installed in a circular array at the shell 8. The nozzles 9 can spray the lubricating oil more evenly in the cavity of the bottom mold 1. The sleeve body 6 is threadedly connected with a bolt 11, and one end of the bolt 11 is fitted with the tube body 7. The bolt 11 can fix the tube body 7 in the sleeve body 6, which can facilitate the disassembly and assembly of the tube body 7. A rubber ring 10 is fixedly connected at the fitting place between the sleeve body 6 and the tube body 7. A hydraulic cylinder 13 is installed at the top mold 2, and the hydraulic cylinder 13 is used to drive the top mold 2 to fit with the bottom mold 1. A liquid inlet 12 is fixedly connected at one end of the tube body 7, and the liquid inlet 12 is used to connect an external lubricating oil delivery device, so that the lubricating oil can be sprayed into the cavity in the bottom mold 1 at the nozzle 9. The plurality of nozzles 9 are placed away from one end of the shell 8 and face the cavity of the bottom mold 1, so that the shell 8 is placed at a certain height above the bottom mold 1, which does not affect the removal of the processed workpiece in the bottom mold 1. At the same time, the plurality of nozzles 9 can spray the lubricating oil into the cavity of the bottom mold 1 for lubrication.

[0025] The working principle of this embodiment is as follows: when in use, the liquid inlet 12 is connected to an external lubricating oil delivery device, and the lubricating oil can be delivered through the tube body 7, the shell 8 and the multiple groups of nozzles 9 and sprayed into the cavity of the bottom mold 1. After the lubrication operation is completed, the hydraulic cylinder 13 is connected to the external drive device, and the hydraulic cylinder 13 can drive the top mold 2 to fit and move with the bottom mold 1. At this time, the top mold 2 will drive the curved rod 5 to move synchronously, and the curved rod 5 will move due to the spiral part of the slide groove 4 of the column 3. The curved rod 5 can cooperate with the transmission of the slide groove 4, and the traction column 3 drives the tube body 7 to rotate, so that the tube body 7 moves out of the bottom mold 1 and the top mold 2. The top mold 2 is moved up again, and the top mold 2 drives the curved rod 5 to move in the straight part of the slide groove 4. When the top mold 2 drives the curved rod 5 to move to the spiral part of the slide groove 4, the column 3 can be used to drive the tube body 7 to be moved between the top mold 2 and the bottom mold 1 and placed. The workpiece in the bottom mold 1 is also taken out manually, and the nozzle 9 is used again to spray lubricating oil on the inside of the bottom mold 1, and then the next group of workpieces can be processed.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mold lubrication structure, comprising a bottom mold (1), characterized in that: A top mold (2) is provided at one end of the bottom mold (1), and the bottom mold (1) is rotatably connected to a column (3) via a bearing, a slide groove (4) is processed on the column (3), a curved rod (5) is slidably connected to the spiral of the slide groove (4), the curved rod (5) is fixedly connected to the top mold (2), a sleeve (6) is fixedly connected to the column (3), and a tube (7) is passed through the sleeve (6).

2. A mold lubrication structure according to claim 1, characterized in that: The tube body (7) is connected to a shell (8), and a plurality of groups of nozzles (9) are installed in a circular array on the shell (8).

3. A mold lubrication structure according to claim 1, characterized in that: The sleeve body (6) is threadably connected to a bolt (11), and one end of the bolt (11) is in contact with the tube body (7).

4. A mold lubrication structure according to claim 1, characterized in that: A rubber ring (10) is fixedly connected at the joint between the sleeve body (6) and the tube body (7).

5. A mold lubrication structure according to claim 1, characterized in that: A hydraulic cylinder (13) is installed at the top mold (2).

6. A mold lubrication structure according to claim 1, characterized in that: One end of the tube body (7) is fixedly connected with a liquid inlet (12).

7. A mold lubrication structure according to claim 2, characterized in that: The multiple groups of nozzles (9) are placed with one end away from the shell (8) facing the cavity of the bottom mold (1).

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