Mold locking device

Abstract

The utility model relates to the field of two-plate machines, in particular to a mold locking device. A wedge-shaped plate is arranged on the mold locking device, the wedge-shaped plate is provided with a bevel edge, protrusions are arranged on the two side edges of the wedge-shaped plate, a movable plate is arranged on the bevel edge of the wedge-shaped plate, a groove is formed in the movable plate, the groove is matched with the protrusions on the bevel edge of the wedge-shaped plate, a connecting plate is arranged on the movable plate, and the connecting plate is driven by an oil cylinder to move. The movable plate moves on the wedge-shaped plate, the distance is increased, mold clamping force is provided at the same time, the movable mold plate and the fixed mold plate are clamped more firmly, and meanwhile the device is simple in design, does not need too many parts and is slightly affected by the outside.

Description

TECHNICAL FIELD

[0001] The utility model relates to two-plate machine field, especially a mould locking device. BACKGROUND

[0002] The mould locking structure of two-plate machine is the key part in injection molding machine or die casting machine, which provides sufficient mould locking force when the mould is closed to ensure that the mould keeps stable during injection molding or die casting.

[0003] The existing mould locking device adopts mould locking oil cylinder to feed oil, the piston pushes two-plate to move to head plate, makes the mould close and locks, this process needs the hydraulic cylinder to continuously exert greater force to movable die plate, and the piston distance that the mould locking oil cylinder needs to push is also longer, and the energy consumption that the oil cylinder needs to consume is also big.The existing technology also adopts setting nut to embrace hydraulic locking movable die plate to reach the mould locking effect, but in actual situation, the mould locking effect is not good.

[0004] Therefore, it is particularly important to design a mould locking device that provides large mould locking force when the brake holding mechanism is running. CONTENT OF THE UTILITY MODEL

[0005] The application provides a mould locking device, which adopts the following technical scheme:

[0006] A mould locking device is provided with a wedge-shaped plate, the wedge-shaped plate is provided with an inclined edge, the wedge-shaped plate is provided with protrusions on both sides, the wedge-shaped plate is provided with a movable plate on the inclined edge, the movable plate is provided with a groove, the groove is matched with the protrusions on the inclined edge of the wedge-shaped plate, the movable plate is provided with a connecting plate, and the connecting plate is driven by an oil cylinder.

[0007] Optionally, two wedge-shaped plates are arranged on the upper and lower parts of the wedge-shaped plate, and two movable plates are arranged on the wedge-shaped plate correspondingly.

[0008] Optionally, the connecting plate is fixedly connected with the upper and lower movable plates.

[0009] Optionally, a piston hole is arranged on the back side of the back plate of the connecting plate.

[0010] Optionally, a fixed plate is arranged on the back side of the connecting plate, and an oil cylinder is arranged on the fixed plate.

[0011] Optionally, a piston is extended from the oil cylinder and connected and fixed in the piston hole on the connecting plate.

[0012] Optionally, four sets of mould locking devices are arranged on the two-plate machine.

[0013] Optionally, one side of the wedge-shaped plate is a straight edge, and an adjusting rod is arranged on the straight edge of the wedge-shaped plate.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The locking device is arranged on the movable die plate, a wedge-shaped plate is arranged on the locking device, the movable plate and the connecting plate are arranged, the connecting plate and the movable plate are driven by the oil cylinder to move on the inclined edge of the wedge-shaped plate, the distance between the two sides of the locking device is increased, a locking force is applied to the movable die plate, the locking of the brake holding mechanism is realized, and stronger locking force is provided to lock the mold; meanwhile, the device is simple in design, does not need too many parts, is less affected by the outside world, and the movable plate is provided with two movable plates, so that the locking force can be better provided. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be described below. Obviously, the technical schemes described in the description in combination with the drawings are only some embodiments of the present application, and for those skilled in the art, other embodiments and drawings can be obtained on the basis of the embodiments shown in the drawings without creative labor.

[0017] Figure 1 It is a locking device structure schematic view of the present application.

[0018] Figure 2 It is a locking device structure side schematic view of the present application.

[0019] Figure 3 It is a locking device and oil cylinder structure schematic view of the present application.

[0020] Figure 4 It is a locking device and oil cylinder structure side schematic view of the present application.

[0021] Figure 5 It is a locking device structure schematic view on a two-plate machine of the present application.

[0022] Figure 6 It is a locking device structure enlarged schematic view on a two-plate machine of the present application.

[0023] In the figure: 1, movable plate; 2, connecting plate; 3, wedge-shaped plate; 4, fixed plate; 5, oil cylinder; 6, adjusting rod; 10, movable die plate; 11, brake holding mechanism; 12, fixed die plate; 13, pull rod. DETAILED DESCRIPTION

[0024] The technical schemes of the embodiments of the present application will be described in detail below in combination with the drawings. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate with a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "installation", "provided with", "connection" and so on should be understood broadly, for example, "connection", can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] The embodiment of the utility model provides a mold locking device.

[0028] Embodiment: as Figures 1-4 The utility model discloses a mold locking device, and the mold locking device is provided with wedge plate 3, one side of wedge plate 3 is linear, the other side is bevel, the distance of two sides gradually increases, and two pieces are arranged on wedge plate 3 up and down;The convex is arranged on the two sides of wedge plate 3, the convex on the bevel of wedge plate 3 is provided with movable plate 1, and two pieces are also arranged on movable plate 1 up and down according to the corresponding wedge plate 3, the recess is arranged on movable plate 1, and the recess is matched with the convex on the bevel of wedge plate 3, and the connecting plate 2 is arranged on movable plate 1, the connecting plate 2 is fixedly connected with the two pieces of movable plate 1 up and down, and the piston hole is arranged on the back side of the back plate of connecting plate 2.

[0029] The fixed plate 4 is arranged on the back side of connecting plate 2, the oil cylinder 5 is arranged on the fixed plate 4, the piston is extended out of the oil cylinder 5 and connected and fixed in the piston hole on the connecting plate 2, the oil cylinder 5 is started to push the piston to move and drive the connecting plate 2 to move forward, and the connecting plate 2 moves forward to drive the two pieces of movable plate 1 up and down to move on the bevel of wedge plate 3. An adjusting rod 6 is arranged on the straight edge of wedge plate 3.

[0030] Working principle: as Figure 5 And Figure 6As shown, the straight edge side of the wedge plate 3 is fixed on the side of the clamp brake mechanism 11 of the two-plate machine, the movable plate 1 on the inclined edge of the wedge plate 3 is in contact with the movable die plate 10, and the oil cylinder 5 is arranged in the movable die plate 10, two oil cylinders 5 are arranged opposite to each other, four sets of mold locking devices are arranged on the two-plate machine, and the mold locking devices are arranged on the four corners of the movable die plate 10. When running, the movable die plate 10 moves on the two-plate machine, the nut on the clamp brake mechanism 11 on the movable die plate 10 passes through the pull rod 13, the nut on the clamp brake mechanism 11 is clamped with the tooth surface on the pull rod 13, at this time the mold locking is completed; at this time the oil cylinder 5 on the movable die plate 10 is started, the piston on the oil cylinder 5 is pushed out to drive the connecting plate 2 to move, the connecting plate 2 drives the movable plate 1 fixedly connected therewith to move on the inclined edge of the wedge plate 3, and as the movable plate 1 moves on the wedge plate 3, the distance between the movable plate 1 and the clamp brake mechanism 11 also increases, and because the clamp brake mechanism 11 is locked and fixed with the tooth surface on the pull rod, the force generated when the movable plate 1 moves is towards the side of the fixed die plate 12, that is, the pressure is applied to the fixed die plate 12, and stronger mold locking force is provided.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view. The scope of the present application is defined by the appended claims, not the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined to form other embodiments that those skilled in the art can understand.

Claims

1. A mode locking device characterized by: The locking device is provided with a wedge-shaped plate (3), the wedge-shaped plate (3) is provided with an inclined edge, the wedge-shaped plate (3) is provided with a convex on two side edges, the wedge-shaped plate (3) is provided with a movable plate (1) on the inclined edge, the movable plate (1) is provided with a recess, the recess is matched with the convex on the inclined edge of the wedge-shaped plate (3), the movable plate (1) is provided with a connecting plate (2), and the connecting plate (2) is driven by an oil cylinder (5).

2. A device as claimed in claim 1, wherein: The wedge-shaped plate (3) is provided with two blocks in correspondence with each other.

3. A device as claimed in claim 2, wherein: The connecting plate (2) is fixedly connected with the two movable plates (1) above and below.

4. A device as claimed in claim 1, wherein: A piston hole is formed in the back plate of the connecting plate (2).

5. A device as claimed in claim 1, wherein: The connecting plate (2) is provided with a fixed plate (4) on the back side, and the fixed plate (4) is provided with an oil cylinder (5).

6. A device as claimed in claim 5, wherein: The oil cylinder (5) extends out of a piston and is connected and fixed in the piston hole of the connecting plate (2).

7. A device as claimed in claim 1, wherein: Four sets of locking devices are arranged on the two-plate machine.

8. A device as claimed in claim 1, wherein: One side of the wedge-shaped plate (3) is a straight edge, and the wedge-shaped plate (3) is provided with an adjusting rod (6) on the straight edge.

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