One-way valve for die clamper

Abstract

The utility model discloses a one-way valve used for a die clamping device, and relates to the technical field of die clamping devices, the one-way valve used for the die clamping device comprises an outer shell, a gas circuit pipeline installed above the outer shell, an oil circuit pipeline installed on the side face of the outer shell and a connecting pipeline installed at the bottom of the outer shell, the inner wall of the outer shell is fixedly connected with a valve body, and a connecting channel is arranged in the valve body. An oil inlet channel communicated with the oil way pipeline is arranged on the surface of the valve body, a sealing plate is fixedly connected to the top of the valve body, and a piston is slidably connected to the inner wall of the gas way pipeline. In a normal state, oil enters the oil inlet channel from the oil way pipeline and then enters the connecting channel, under the action of hydraulic pressure, the movable plate is pushed downwards, the oil flows out of the connecting pipeline, and the oil way is normally connected, and when no oil flows in abnormally, the oil flows out of the connecting pipeline under the action of the elastic force of the spring and the elastic rod. And the movable plate is inserted into the valve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to die holder technical field especially relates to one -way valve for die holder. BACKGROUND

[0002] Die holder as the important part of quick die changing system, it is used as die holder clamping and fixing, after die holder clamping, in order to guarantee that die holder clamping does not fall, need air pump unit to provide the pressure of 250Kg / cm for die holder continuously.

[0003] But when power failure or other abnormality leads to sudden air break, die holder will loosen the pressing plate because of losing pressure, leading to die displacement or even falling. INNOVATION CONTENT

[0004] The utility model discloses a one-way valve for die holder, which solves the problem of die displacement or even falling caused by power failure or other abnormality leading to sudden air break.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a one-way valve for die holder, comprising a shell, a gas path pipeline installed above the shell, an oil path pipeline installed on the side surface of the shell and a connecting pipeline installed at the bottom of the shell, the inner wall of the shell is fixedly connected with a valve body, a connecting channel is arranged in the valve body, an oil inlet channel in communication with the oil path pipeline is arranged on the surface of the valve body, a sealing plate is fixedly connected to the top of the valve body, a piston is slidably connected to the inner wall of the gas path pipeline, a connecting rod is fixedly connected to the lower surface of the piston, and an active plate is fixedly connected to one end of the connecting rod.

[0006] As a further description of the above technical scheme:

[0007] A connecting sleeve is fixedly connected to the axis of the sealing plate, and a sealing sleeve is arranged on the inner wall of the connecting sleeve.

[0008] As a further description of the above technical scheme:

[0009] The inner wall of the sealing sleeve is slidably connected with the connecting rod, and the material of the sealing sleeve is abrasion-resistant material.

[0010] As a further description of the above technical scheme:

[0011] A fixed plate is fixedly connected to the lower surface of the connecting sleeve, and the inner wall of the fixed plate is slidably connected with the connecting rod.

[0012] As a further description of the above technical scheme:

[0013] The lower surface of the fixed plate is fixedly connected with a spring, and the upper surface of the movable plate is fixedly connected with the spring.

[0014] As further description of the above technical solution:

[0015] The lower surface of the fixed plate is fixedly connected with an elastic sleeve, and the upper surface of the movable plate is fixedly connected with the elastic sleeve.

[0016] As further description of the above technical solution:

[0017] The lower surface of the fixed plate is fixedly connected with an elastic rod, and the upper surface of the movable plate is fixedly connected with the elastic rod.

[0018] As further description of the above technical solution:

[0019] The surface of the movable plate is fixedly connected with a first sealing ring, and the surface of the movable plate is fixedly connected with a second sealing ring.

[0020] As further description of the above technical solution:

[0021] The inner wall of the valve body is fixedly connected with two sealing nests corresponding to the first sealing ring and the second sealing ring respectively, and the upper surface of the movable plate is fixedly connected with a fitting ring.

[0022] As further description of the above technical solution:

[0023] The surface of the shell is coated with a protective paint layer, and the inner wall of the shell is provided with a wear-resistant layer.

[0024] The utility model has the following beneficial effects:

[0025] Compared with the prior art, the one-way valve for the mold clamp has the following advantages: in the normal state, oil enters the oil inlet channel from the oil path pipeline, then enters the connecting channel, and under the action of hydraulic pressure, the movable plate is pushed downward, the oil flows out of the connecting pipeline, and the oil path is normally connected; when no oil flows in abnormally, the movable plate is inserted into the valve body under the elastic force of the spring and the elastic rod, the movable plate is fitted with the inner wall of the valve body, the first sealing ring and the second sealing ring are fitted with the sealing nests, sealing is performed, the oil cannot enter the connecting channel from the connecting pipeline, pressure retention is achieved, the mold clamp is still clamped, gas enters from the gas path pipeline, the gas pressure pushes the piston downward, and then drives the connecting rod to move downward, the spring and the elastic rod are elongated, the connecting channel, the connecting pipeline and the oil inlet channel are connected, the oil is discharged from the connecting pipeline through the connecting channel and the oil inlet channel, and pressure relief is performed. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1The internal structure diagram of the one-way valve for the die clamp is provided in the utility model.

[0027] Figure 2 The sealing plate structure diagram of the one-way valve for the die clamp is provided in the utility model.

[0028] Figure 3 The movable plate structure diagram of the one-way valve for the die clamp is provided in the utility model.

[0029] Figure 4 The sealing plate structure diagram of the one-way valve for the die clamp is provided in the utility model. Figure 1 The structure enlarged view of A in the utility model.

[0030] Figure 5 The shell structure diagram of the one-way valve for the die clamp is provided in the utility model.

[0031] Legend:

[0032] 1, shell; 2, gas path pipeline; 3, oil path pipeline; 4, connecting pipeline; 5, valve body; 6, oil inlet channel; 7, sealing plate; 8, connecting sleeve; 9, sealing sleeve; 10, connecting rod; 11, piston; 12, movable plate; 13, fixed plate; 14, spring; 15, first sealing ring; 16, second sealing ring; 17, adhering ring; 18, sealing nest; 19, connecting channel; 20, telescopic sleeve; 21, elastic rod. Specific implementation

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore cannot be understood as a limitation on the utility model; the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise expressly specified and limited, the term "installation", "connection", "connection" should be broadly understood, for example, can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0035] Embodiment

[0036] Refer to Figures 1-5The utility model provides a one -way valve for clamp mould ware: including shell 1, install the air path pipeline 2 of shell 1 top, install the oil path pipeline 3 of shell 1 side and install the connecting pipeline 4 of shell 1 bottom, the inner wall fixed connection of shell 1 has valve body 5, the inside of valve body 5 is provided with connecting channel 19, the surface of valve body 5 is provided with the oil inlet channel 6 of oil path pipeline 3 intercommunication, the top fixed connection of valve body 5 has sealing plate 7, the inner wall sliding connection of air path pipeline 2 has piston 11, the lower surface fixed connection of piston 11 has connecting rod 10, one end fixed connection of connecting rod 10 has movable plate 12, the axial fixed connection of sealing plate 7 has connecting sleeve 8, the inner wall of connecting sleeve 8 is provided with sealing sleeve 9, the inner wall of sealing sleeve 9 is slidingly connected with connecting rod 10, sealing sleeve 9 sealing connecting rod 10 is connected with connecting sleeve 8, the material of sealing sleeve 9 is set as wear -resisting material, the lower surface fixed connection of connecting sleeve 8 has fixed plate 13, the inner wall sliding connection of fixed plate 13 and connecting rod 10, the lower surface fixed connection of fixed plate 13 has spring 14, the upper surface of movable plate 12 is fixedly connected with spring 14, in ordinary state, oil liquid enters the inside of oil inlet channel 6 from oil path pipeline 3, then enters connecting channel 19, under the action of hydraulic pressure, push movable plate 12 downward, and oil liquid flows out from connecting pipeline 4, when no oil liquid flows in abnormally, because the elastic force of spring 14 and elastic rod 21, movable plate 12 and valve body 5 inner wall adhere, make first sealing ring 16 and second sealing ring 15 and sealing nest 18 adhere, seal, make oil liquid unable from connecting pipeline 4 enter the inside of connecting channel 19, play the role of pressure retention, clamp mould ware still clamps tightly, gas enters from air path pipeline 2, and the gas pressure pushes piston 11 to move downward, and then drives connecting rod 10 to move downward, simultaneously lengthens spring 14 and elastic rod 21, and connecting channel 19, connecting pipeline 4 and oil inlet channel 6 are communicated, and oil liquid is discharged from connecting pipeline 4 through connecting channel 19 and oil inlet channel 6, and pressure relief is carried out.

[0037] Referring to Figures 1-5The lower surface of the fixed plate 13 is fixedly connected with an elastic sleeve 20, the upper surface of the movable plate 12 is fixedly connected with the elastic sleeve 20, the lower surface of the fixed plate 13 is fixedly connected with an elastic rod 21, when oil passes, the elastic sleeve 20 blocks the oil, the elastic rod 21 shares the pressure, so that the elastic sleeve 20 is not easy to be deformed excessively, thereby protecting the spring 14, so that the wear speed of the spring 14 is slow, the service life of the spring 14 is improved, the upper surface of the movable plate 12 is fixedly connected with the elastic rod 21, the surface of the movable plate 12 is fixedly connected with a first sealing ring 15, the surface of the movable plate 12 is fixedly connected with a second sealing ring 16, the inner wall of the valve body 5 is fixedly connected with two sealing nests 18 corresponding to the first sealing ring 15 and the second sealing ring 16 in position, the upper surface of the movable plate 12 is fixedly connected with a fit ring 17, the surface of the shell 1 is coated with a protective paint layer, the protective paint layer improves the rust prevention ability of the surface of the shell 1, the inner wall of the shell 1 is provided with a wear-resistant layer, the wear-resistant layer improves the wear resistance of the inner wall of the shell 1, the fit ring 17 is fitted with the valve body 5, thereby improving the stability of the movable plate 12 after being inserted into the valve body 5.

[0038] Working principle: in the normal state, oil enters the oil inlet channel 6 inside from the oil channel pipeline 3, and then enters the connecting channel 19, under the action of hydraulic pressure, the movable plate 12 is pushed downward, and the oil flows out from the connecting pipeline 4, when no oil flows in abnormally, under the elastic force of the spring 14 and the elastic rod 21, the movable plate 12 is fitted with the inner wall of the valve body 5, so that the first sealing ring 16 and the second sealing ring 15 are fitted with the sealing nests 18, sealing is performed, so that the oil cannot enter the connecting channel 19 inside from the connecting pipeline 4, pressure maintaining effect is achieved, the mold clamp is still clamped, gas enters from the gas channel pipeline 2, the gas pressure drives the piston 11 to move downward, thereby driving the connecting rod 10 to move downward, at the same time, the spring 14 and the elastic rod 21 are lengthened, the connecting channel 19, the connecting pipeline 4 and the oil inlet channel 6 are connected, and the oil is discharged from the connecting pipeline 4 through the connecting channel 19 and the oil inlet channel 6, pressure relief is performed.

[0039] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A one-way valve for a die holder, comprising a housing (1), an air passage pipe (2) installed above the housing (1), an oil passage pipe (3) installed at the side of the housing (1), and a connection pipe (4) installed at the bottom of the housing (1), characterized in that: The inner wall of the shell (1) is fixedly connected with a valve body (5), the inside of the valve body (5) is provided with a connecting channel (19), the surface of the valve body (5) is provided with an oil inlet channel (6) in communication with the oil way pipeline (3), the top of the valve body (5) is fixedly connected with a sealing plate (7), the inner wall of the gas way pipeline (2) is slidingly connected with a piston (11), the lower surface of the piston (11) is fixedly connected with a connecting rod (10), one end of the connecting rod (10) is fixedly connected with a movable plate (12).

2. The check valve for a die holder according to claim 1, characterized in that: The shaft center of the sealing plate (7) is fixedly connected with a connecting sleeve (8), the inner wall of the connecting sleeve (8) is provided with a sealing sleeve (9).

3. The check valve for a die holder of claim 2, wherein: The inner wall of the sealing sleeve (9) is slidingly connected with the connecting rod (10), and the material of the sealing sleeve (9) is abrasion-resistant material.

4. The check valve for a die holder of claim 2, wherein: The lower surface of the connecting sleeve (8) is fixedly connected with a fixed plate (13), and the inner wall of the fixed plate (13) is slidingly connected with the connecting rod (10).

5. The check valve for a die holder of claim 4, wherein: The lower surface of the fixed plate (13) is fixedly connected with a spring (14), and the upper surface of the movable plate (12) is fixedly connected with the spring (14).

6. The check valve for a die holder of claim 5, wherein: The lower surface of the fixed plate (13) is fixedly connected with a telescopic sleeve (20), and the upper surface of the movable plate (12) is fixedly connected with the telescopic sleeve (20).

7. The check valve for a die holder of claim 6, wherein: The lower surface of the fixed plate (13) is fixedly connected with an elastic rod (21), and the upper surface of the movable plate (12) is fixedly connected with the elastic rod (21).

8. The check valve for a die holder of claim 1, wherein: The surface of the movable plate (12) is fixedly connected with a first sealing ring (15), and the surface of the movable plate (12) is fixedly connected with a second sealing ring (16).

9. The one-way valve for a die clamp according to claim 8, wherein: The inner wall of the valve body (5) is fixedly connected with two sealing nests (18) corresponding to the first sealing ring (15) and the second sealing ring (16) respectively, and the upper surface of the movable plate (12) is fixedly connected with a sticking ring (17).

10. The check valve for a die clamp of claim 1, wherein: The surface of the shell (1) is coated with a protective paint layer, and the inner wall of the shell (1) is provided with an abrasion-resistant layer.

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