KR100489385B1 - Clamper of slider for rubber molding machine - Google Patents

Abstract

The present invention improves the clamp provided on the front of the slider to the main table and the ejector to reciprocate the upper and lower molds in a simple configuration mechanically so that the rubber can be installed at a low cost while ensuring smooth operation regardless of heat. The present invention relates to a slider clamp of a rubber molding apparatus that can reduce the cost while improving the quality of the molding apparatus.

A base 31 provided in a rectangular shape;

A main table 34 provided with upper and lower molds 35 and 36 above the main cylinder 32 installed in the base 31;

A vacuum means (37) provided with a vacuum chamber (40) so as to maintain a vacuum state during molding above the main table (34);

An ejector (42) provided at the rear of the main table (34) to open the upper and lower molds (35, 36) so as to leave the molded rubber product;

A slider 47 provided at the front of the main table 34 to reciprocate the upper and lower molds 35 and 36 between the ejector 42 and the main table 34;

A clamp 60 for holding the clamping pin 55 provided at the front of the lower mold 36 to the slider 47 to reciprocate the upper and lower molds 35 and 36 to the main table 34 and the ejector 42. In the rubber molding apparatus 30 is configured by installing;

The clamp 60 includes a fixed clamp 64 provided to fix the rod 63 and the guide 61 of the slider cylinder 50 protruding forward of the cylinder block 62;

A movable clamp (68) clamping the clamping pin (55) provided at the lower mold (36) together with the fixed clamp (64) while being fixed and hinged (69) above the fixed clamp (64);

It is characterized by consisting of a working plate 76 which is fixed to the cylinder block 62 and positioned above the movable clamp 68 so that the movable clamp 68 can be varied.

Description

Clamper of slider for rubber molding machine

The present invention relates to a clamp for a slider of a rubber molding apparatus, and more particularly, to the provision of an improved clamp mounted to a slider for reciprocating a mold used for rubber molding in the direction of the main table and the ejector.

Rubber molding apparatus is to inject the liquefied rubber raw material into the mold and to mold in various shapes and shapes.

This rubber molding apparatus 30 is as shown in Figs.

A main table 34 having a lower heating plate 33 for heating is provided above the main cylinder 32 installed in the base 31 provided in a rectangular shape, and is formed above the lower heating plate 33. Upper and lower molds (35, 36) having a molding room of the shape and shape is located.

Above the main table 34 has a vacuum means 37 as a means for maintaining a vacuum state during rubber molding, the vacuum means 37 is a chamber cylinder of the chamber body 38 is maintained as a guide The vacuum chamber 40, which can accommodate the upper and lower molds 35 and 36, is fixed to the end of the 39.

Of course, it is a matter of course to have the heat plate 41 to be able to apply heat to the upper mold 35 below the chamber body 38.

The rear of the main table 34 is provided with an ejector 42 for opening the upper and lower molds 35 and 36 so as to leave the molded rubber products in the upper and lower molds 35 and 36.

The ejector 42 has upper and lower mold guides 44 and 45 for holding the upper and lower molds 35 and 36 that have been transferred above the ejector table 43 connected to the main table 34.

The upper mold guide 44 is configured to be opened and closed by an ejector cylinder 46 installed on the bottom of the ejector table 43.

The front of the main table 34 is provided with a slider 47 for reciprocating the upper and lower molds 35 and 36 between the ejector 42 and the main table 34.

The slider 47 has a slider cylinder 50 supported by a support 49 mounted on the slider table 48 fixed to the main table 34, and in front of the slider cylinder 50 a lower mold ( The clamp 60 is configured to hold the clamping pin 55 provided in front of the 36 and to reciprocate the upper and lower molds 35 and 36 to the main table 34 and the ejector 42.

Conventionally, such a clamp has a disadvantage that the cost of the clamp is complicated as well as the function of simply reciprocating the upper and lower molds by providing the clamp to operate by hydraulic or pneumatic pressure in front of the slider cylinder.

In addition, since hoses and wires for oil and pneumatic supply for clamp operation are installed together, hoses and wires are often damaged by upper and lower molds as well as upper and lower heating plates, which prevents smooth operation. Problems are occurring.

Therefore, the present invention was invented to solve the above problems, and improved mechanical clamping of the slider provided at the front of the slider so that the upper and lower molds can be reciprocated to the main table and the ejector with a simple configuration, regardless of heat. It is an important purpose to ensure that the installation can be carried out at a low cost while ensuring the quality of the rubber molding apparatus while reducing the cost.

Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the present invention for achieving the above object.

1 is a block diagram showing a rubber molding apparatus for explaining the present invention, a state in which the slider is moved backwards, the main cylinder is raised or the vacuum chamber is lowered, Figure 2 is a rubber molding for explaining the present invention Fig. 3 is a block diagram showing the device, in which the slider is moved forward and the ejector is raised, and Fig. 3 is a block diagram showing the rubber molding device for explaining the present invention. The slider is moved backward, the main cylinder is lowered, and the vacuum is lowered. 4 is a perspective view showing an extract of the slider clamp of the rubber molding apparatus to which the technique of the present invention is applied, and FIG. 5 is a slider clamp of the rubber molding apparatus applied to FIG. Fig. 6 (a) is a plan view showing the unclamping process of the clamp for the slider of the rubber molding apparatus to which the technique of the present invention is applied. A) and b) are described together as a plan view showing the clamping process of the clamp for slider of the rubber molding apparatus to which the technique of the present invention is applied.

The conventional rubber molding apparatus 30 has upper and lower molds 35 and 36 above the main cylinder 32 installed on the base 31 having a rectangular shape, and a main table 34 is provided.

Above the main table 34 is provided with a vacuum means 37 having a vacuum chamber 40 as a means for maintaining a vacuum state during rubber molding, and the upper and lower molds (behind the main table 34) Ejectors 42 are provided to open the upper and lower molds 35 and 36 so as to leave the molded rubber product inside the 35 and 36.

The front of the main table 34 is provided with a slider 47 for reciprocating the upper and lower molds 35 and 36 between the ejector 42 and the main table 34, and the slider 47 has a lower mold. The clamp 60 is configured to hold the clamping pin 55 provided in front of the 36 to reciprocate the upper and lower molds 35 and 36 to the main table 34 and the ejector 42.

In the present invention, it is characterized by improving the clamp 60 to ensure a smooth operability with a simple mechanical structure.

Clamp 60 of the present invention for this purpose is a rough T-shaped fixed clamp 64 fixed to the rear of the rod 63 protruding forward of the cylinder block 62 for fixing the slider cylinder 50 and the guide 61 to the rear. It is provided.

In front of the fixing clamp 64 to form a clamping pin 55 provided on the lower mold 36, one side is closed and the other side is open pin groove 65, the open side of the pin groove 65 It has a step 67 having an inclined surface 66.

The upper side of the fixed clamp 64 is fixed to the hinge 69 of the cross-shaped movable clamp 68 to be free to move, and the clamping pin 55 in front of the movable clamp 68 can be intermittent. An intermittent hook 70 is formed.

In the front of the intermittent hook 70 is formed an intermittent groove 71 for intermittent clamping pin 55 together with the pin groove 65, the rear side has a downwardly inclined bent portion 72 to clamp the pin (55) In case of cracking, the inclined surface 66 and the step 67 of the fixing clamp 64 are not affected.

The roller 75 is provided above the rear end of the movable clamp 68 so as to be located in the operation hole 77 formed in the operation plate 76 which is fixed to the cylinder block 62 and protrudes forward.

The operation hole 77 forms an inlet 78 which is biased to one side and a straight portion 79 which is biased in a direction opposite to the inlet and formed to the rear of the operation plate 76, and the inlet 78 and The connection part of the straight part 79 is bent and connected and the operation part 80 for moving the movable clamp 68 by moving the roller 75 of the movable clamp 68 to left and right (↑, ↓ in figure) is moved. It consists of.

Both sides of the fixed clamp 62 and the movable clamp 68 are configured by connecting the spring 81 so that the movable clamp 68 is continuously maintained.

In the present invention as described above, the rubber product is formed by the slider 47 and the main table 34 and the ejector 42 are reciprocated in order to leave the molded rubber product.

That is, the clamp 60 provided at the front of the slider 47 moves the upper and lower molds 35 and 36 forward and backward as the slider cylinder 50 extends and contracts, and thus the main table 34 and the ejector 42. It is to reciprocate between phases.

When the slider cylinder 50 is retracted and the clamp 60 is located outside the vacuum chamber 40 containing the lower mold 36 as an initial state, a series of processes in which the clamp 60 is operated will be described. Same as

When the rubber is completed in the upper and lower molds 35 and 36, the vacuum chamber 40 is raised. At this time, the slider cylinder 50 is extended so that the rod 63 and the guide 61 are advanced. The fixed clamp 64 fixing the rod 63 and the guide 61 and the movable clamp 68 fixed to the fixed clamp 64 are advanced.

At this time, the roller 75 fixed above the rear of the movable clamp 68 is moved in the direction of the inlet 78 in a state located in the straight portion 79 of the operation hole 77 formed in the operation plate 76 and In this process, since the roller 75 located in the operation hole 77 is biased in the ↓ direction than the hinge 69 which fixes the fixed clamp 64 and the movable clamp 68, the intermittent hook of the movable clamp 68 is fixed. 70 is to be spaced apart from the pin groove 65 of the fixed clamp (64).

When the fixed and movable clamps 64 and 68 approach the clamping pins 55 due to the extension of the slider cylinder 50 which continues in this state, the roller 75 fixed to the movable clamp 68 is moved to the operating hole 77. Close to the actuator 80.

At this time, the roller 75 hits the wall surface 80-1 in the ↓ direction of the operation unit 80 so that the roller 75 moves in the ↑ direction, and at the same time the movable clamp 68 is centered on the hinge 69 ↓. It will rotate in each direction.

At this time, the pin groove 65 of the fixed clamp 64 is in a state that almost receives the clamping pin 55, and the intermittent groove 71 formed in the intermittent hook 70 of the movable clamp 68 rotated in the direction ↓ and The clamping pins 55 are to be interrupted (clamped) together.

In this state, since the slider cylinder 50 is continuously extended, the clamp 60 moves the upper and lower molds 35 and 36 to the ejector 42. The fixed and movable clamps 64 and 68 are cylinder blocks. This is possible by leaving the operating plate 76 fixed to the 62.

When the separation of the molded rubber product is completed in such a state, the slider cylinder 50 contracts and at the same time, the fixed and movable clamps 64 and 68 move the upper and lower molds 35 and 36 to their original positions. Will be transferred to).

When the upper and lower molds 35 and 36 reach the main table 34 as described above, the roller 75 provided in the movable clamp 68 is the inlet 78 of the operation hole 77 of the operation plate 76. The roller 75 is positioned at the straight portion 79 while hitting the wall surface 80-2 located in the ↑ direction of the operating portion 80.

Then, the movable clamp 68 is rotated in the ↑ direction around the hinge 69 to the state where the intermittent hook 70 is spaced apart from the pin groove 65 of the fixed clamp 64, thereby leaving the clamping pin 55 In the contraction of the slider cylinder 50 will be able to return to the initial state.

In addition, the springs 81 installed on both sides of the fixed and movable clamps 64 and 68 are pushed and pulled so that the movable clamp 68 can be continuously maintained in a variable state, and thus the movable clamp 68 is moved. It is possible to maintain the state continuously.

The present invention by simply configuring the clamp 60 to operate mechanically by the high temperature and high heat even in the process of passing through the upper and lower molds 35 and 36 and the upper and lower plates 33 and 41 in a high temperature state. Since there is no phenomenon in which the operating part is damaged, smooth operability can be secured.

The present invention as described above can be installed at a low cost while ensuring a smooth operation regardless of heat by improving the clamp provided in the front of the slider to the mechanical table of the slider to reciprocate the upper and lower molds to the main table and the ejector. In order to improve the quality of the rubber molding machine and reduce the cost, various effects can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram showing a rubber molding apparatus for explaining the present invention, in which a slider is moved backwards, a main cylinder is raised, and a vacuum chamber is lowered.

Figure 2 is a block diagram showing a rubber molding apparatus for explaining the present invention, a state in which the slider is advanced and the ejector is raised.

3 is a block diagram showing a rubber molding apparatus for explaining the present invention, a state in which the slider is reversed, the main cylinder is lowered and the vacuum chamber is raised;

Figure 4 is a perspective view showing an extract of the clamp for the slider of the rubber molding apparatus applied technology of the present invention.

Fig. 5 is a cross sectional view of the slider clamp of the rubber molding apparatus applied to Fig. 4 taken along the line A-A.

Figure 6 (a, b) is a plan view showing the unclamping process of the clamp for the slider of the rubber molding apparatus applied technology of the present invention.

Figure 7 (a, b) is a plan view showing the clamping process of the clamp for the slider of the rubber molding apparatus applied technology of the present invention.

* Description of the symbols used in the main parts of the drawings *

30; Rubber Molding Equipment

35; Upper gold flavor

36; Bottom mold

55; Clamping pin

60; clamp

64; Fixed clamp

65; Pin groove

68; Movable Clamp

70; Intermittent hook

75; Roller

76; Working plate

78; Entrance

79; Straight part

80; Actuator

Claims (2)

A base 31 provided in a rectangular shape; A main table 34 provided with upper and lower molds 35 and 36 above the main cylinder 32 installed in the base 31; A vacuum means (37) provided with a vacuum chamber (40) so as to maintain a vacuum state during molding above the main table (34); An ejector (42) provided at the rear of the main table (34) to open the upper and lower molds (35, 36) so as to leave the molded rubber product; A slider 47 provided at the front of the main table 34 to reciprocate the upper and lower molds 35 and 36 between the ejector 42 and the main table 34; A clamp 60 for holding the clamping pin 55 provided at the front of the lower mold 36 to the slider 47 to reciprocate the upper and lower molds 35 and 36 to the main table 34 and the ejector 42. In the rubber molding apparatus 30 is configured by installing; The clamp 60 includes a fixed clamp 64 provided to fix the rod 63 and the guide 61 of the slider cylinder 50 protruding forward of the cylinder block 62; A movable clamp (68) clamping the clamping pin (55) provided at the lower mold (36) together with the fixed clamp (64) while being fixed and hinged (69) above the fixed clamp (64); A working plate (76) fixed to the cylinder block (62) to be positioned above the movable clamp (68) so as to vary the movable clamp (68); The fixing clamp (64) is a pin groove (65) formed so that one side is closed and the other side is open to accommodate the clamping pin (55) in front; A step (67) formed on the open side of the pin groove (65) with an inclined surface (66); An intermittent hook (70) formed at the front of the movable clamp (68) with an intermittent groove (71) for clamping the clamping pin (55) together with the pin groove (65); A downwardly inclined bent portion (72) formed so as not to be affected by the inclined surface (66) and the step (67) of the fixed clamp (64) when the clamping pin (55) is interrupted in the rear of the intermittent hook (70); A roller (75) provided above the rear end of the movable clamp (68) to control movement of the entire movable clamp (68); The operation plate (76) forms an operation hole (77) to move the roller (75) so as to convert the movable clamp (68) into clamping and unclamping states; The operation hole 77 has an inlet 78 biased to one side; A straight portion 79 that is biased in a direction opposite to the inlet and formed to the rear of the operating plate 76; It is characterized in that it comprises an operating portion 80 is bent to the connection portion of the inlet 78 and the straight portion 79 to move the roller 75 of the movable clamp 68 to convert the movable clamp 68 Slider clamp of rubber molding machine. The method of claim 1; Both sides of the fixed clamp 62 and the movable clamp 68 includes a spring 81 for connecting the movable clamp 68 so as to continuously maintain the moving state. .