Mechanical mold locking structure of hydraulic mold clamping device

Abstract

The utility model discloses a mechanical mould locking structure of a hydraulic mould clamper, which belongs to the technical field of mould clamper equipment and comprises a mould clamper body and a pressing plate rotatably mounted at the top of the mould clamper body, a mould locking component is mounted at one end of the pressing plate and is connected with a mould positioned on one side of the mould clamper body, and the mould locking component is connected with the mould. The mold locking assembly comprises a pressing block slidably installed at the bottom of the pressing plate and a connecting rod penetrating through the pressing block and the pressing plate, and a first spring is installed between the pressing block and the pressing plate. Through the arrangement of the connecting rod, when the die clamper body clamps a die, the connecting rod is pushed to enable one end of the connecting rod to be clamped on the inner side of the die, and when hydraulic pressure is lost, as the connecting rod is connected with the pressing plate and the die, the die can be prevented from falling off, the automatic die locking function can be achieved, and the automatic die locking device is simple in arrangement and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a die clamp device, in particular to a hydraulic die clamp mechanical die locking structure, belongs to die clamp equipment technical field. BACKGROUND

[0002] The existing hydraulic die clamp all adopts ordinary hydraulic die clamp, and the die clamp utilizes oil pressure pressurization and then utilizes the lever pressing plate of the die clamp itself to connect the mold and the workbench plate of the injection molding machine or the press machine. Because the mold is clamped by completely relying on the oil pressure, if the oil pressure of all the die clamps is lost at this time, the mold will be loose and cannot be fixed on the workbench plate, especially the hydraulic die clamp of the injection molding machine or the die casting machine, and the mold will fall off if the oil pressure is lost. According to the Chinese utility model patent (application number: 201621465443.9) disclosed a kind of hydraulic die clamp mechanical die locking structure, adopt cam structure and the form of pressing plate cooperation, so that when oil pressure system occurs leakage, due to the action of mold gravity, pressing plate can exert force on cam, prevent the safety accidents of equipment mold sliding, falling.

[0003] But the device still has the following problems: the device uses cylinder auxiliary, and there will be gas breakage, which will cause the mold to fall off, and the safety factor is low, and in addition, the device is complex and inconvenient to use.

[0004] The utility model provides a new solution to the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problems of using cylinder auxiliary in the above device, which will cause gas breakage and lead to mold falling off, low safety factor, and complex setting of the above device, and provides a kind of hydraulic die clamp mechanical die locking structure.

[0006] The purpose of the utility model can be achieved by adopting the following technical scheme:

[0007] A kind of hydraulic die clamp mechanical die locking structure, including die clamp body and the pressing plate of rotating installation in the top of the die clamp body, one end of the pressing plate is equipped with die locking assembly, the die locking assembly and the mold located in the side of the die clamp body are interconnected, the die locking assembly includes the pressing block of sliding installation in the bottom of the pressing plate and the connecting rod of penetrating the pressing block and the pressing plate, first spring is installed between the pressing block and the pressing plate.

[0008] Preferably, the top of the mold is provided with a connecting hole for sliding cooperation with the connecting rod.

[0009] Preferably, one side of the mold is provided with a clamping groove penetrating the connecting hole.

[0010] Preferably, the bottom of the connecting rod is fixedly connected with a clamping ball on both sides through a second spring.

[0011] Preferably, the top of the connecting rod is fixedly connected with a handle, and the outer side of the connecting rod is provided with a limiting slot.

[0012] Preferably, the bottom of the pressing plate is provided with a receiving groove in sliding fit with the pressing block, and the top of the receiving groove is provided with two spring grooves in fit with the first springs.

[0013] Preferably, the spring grooves are provided with mounting grooves above, and a through hole is formed between the spring grooves and the mounting grooves.

[0014] Preferably, mounting holes in sliding fit with the connecting rod are arranged between the two spring grooves.

[0015] Preferably, the top of the pressing block is fixedly connected with two sliding rods in sliding fit with the through hole, and the top of the sliding rods is threadedly connected with a mounting cap located at the inner side of the mounting groove.

[0016] Preferably, the top of the pressing block is provided with a fit hole between the two sliding rods, the inner side of the fit hole is fixedly connected with a limiting block, and the first springs are provided with two, which are sleeved on the outer side of the sliding rods.

[0017] The hydraulic mold clamp mechanical mold locking structure of the utility model has the advantages that when the mold clamp body clamps the mold, the connecting rod is pushed and clamped at one end in the inner side of the mold, when the hydraulic pressure is lost, the connecting rod is connected with the pressing plate and the mold, so that the mold can be prevented from falling, thus the automatic mold locking function is realized, the structure is simple and convenient to use, through the arrangement of the connecting hole and the clamping groove, when in use, the mold is first clamped by the mold clamp body, then the handle is gripped, the connecting rod is inserted into the connecting hole, the clamping ball is clamped in the clamping groove under the action of the second spring, and the clamping ball is prevented from being easily separated, through the arrangement of the limiting slot, the limiting block is matched, the guiding function is realized, and the clamping ball can be quickly clamped in the clamping groove. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of a preferred embodiment provided by the utility model;

[0019] Figure 2 It is a mold clamp body and mold connection schematic view of a preferred embodiment provided by the utility model;

[0020] Figure 3 It is a pressing plate structure schematic view of a preferred embodiment provided by the utility model;

[0021] Figure 4The mold opening diagram of a preferred embodiment provided by the utility model is shown in the figure.

[0022] Figure 5 The briquetting structure diagram of a preferred embodiment provided by the utility model is shown in the figure.

[0023] Figure 6 The connecting rod structure diagram of a preferred embodiment provided by the utility model is shown in the figure.

[0024] In the figure: 1, mold holder body; 2, pressing plate; 3, mold locking assembly; 4, mold; 5, briquetting; 6, connecting rod; 7, first spring; 401, connecting hole; 402, clamping groove; 601, second spring; 602, clamping ball; 603, handle; 604, limiting groove; 201, storage groove; 202, spring groove; 203, mounting groove; 204, through hole; 205, mounting hole; 501, sliding rod; 502, mounting cap; 503, matching hole; 504, limiting block. DETAILED DESCRIPTION

[0025] In order to make the technical personnel in the art more clear and definite technical scheme of the utility model, the utility model is described in further detail below in combination with examples and drawings, but the embodiment of the utility model is not limited thereto.

[0026] As Figures 1-6 shown, the hydraulic mold holder mechanical mold locking structure provided by the embodiment comprises a mold holder body 1 and a pressing plate 2 rotatably installed on the top of the mold holder body 1, one end of the pressing plate 2 is provided with a mold locking assembly 3, the mold locking assembly 3 is connected with a mold 4 located on one side of the mold holder body 1, the mold locking assembly 3 comprises a briquetting 5 slidingly installed on the bottom of the pressing plate 2 and a connecting rod 6 penetrating through the briquetting 5 and the pressing plate 2, and a first spring 7 is installed between the briquetting 5 and the pressing plate 2.

[0027] Through the setting of the connecting rod 6, when the mold holder body 1 clamps the mold 4, the connecting rod 6 is pushed and its one end is clamped in the inner side of the mold, when the hydraulic pressure is lost, since the connecting rod 6 connects the pressing plate 2 and the mold 4, the mold 4 can be prevented from falling, thus the automatic mold locking function can be realized, and the setting is simple and convenient to use.

[0028] In the embodiment, as Figure 1 , Figure 4 and Figure 6As shown, the top of the mold 4 is provided with a connecting hole 401 which is in sliding fit with the connecting rod 6, and one side of the mold 4 is provided with a clamping groove 402 which penetrates the connecting hole 401, and the bottom of the connecting rod 6 is fixedly connected with a clamping ball 602 on both sides through a second spring 601, and the top of the connecting rod 6 is fixedly connected with a handle 603, and the outer side of the connecting rod 6 is provided with a limiting groove 604. Through the arrangement of the connecting hole 401 and the clamping groove 402, in use, first, the mold 4 is clamped by the mold clamping device body 1, then the handle 603 is grabbed, the connecting rod 6 is inserted into the connecting hole 401, and the clamping ball 602 is clamped in the clamping groove 402 under the action of the second spring 601, so as to prevent easy disengagement, and through the arrangement of the limiting groove 604, in cooperation with the limiting block 504, a guiding effect can be achieved, so that the clamping ball 602 can be quickly clamped into the clamping groove 402.

[0029] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 5 , the bottom of the pressing plate 2 is provided with a receiving groove 201 which is in sliding fit with the pressing block 5, the top of the receiving groove 201 is provided with two spring grooves 202 which are in fit with the first spring 7, an installation groove 203 is arranged above the spring groove 202, a through hole 204 is arranged between the spring groove 202 and the installation groove 203, an installation hole 205 which is in sliding fit with the connecting rod 6 is arranged between the two spring grooves 202, the top of the pressing block 5 is fixedly connected with two sliding rods 501 which are in sliding fit with the through hole 204, the top of the sliding rod 501 is threadedly connected with an installation cap 502 which is located inside the installation groove 203, the top of the pressing block 5 is provided with a fit hole 503 which is located between the two sliding rods 501, and the inside of the fit hole 503 is fixedly connected with a limiting block 504, and two first springs 7 are arranged, which are sleeved on the outside of the sliding rod 501. Through the arrangement of the receiving groove 201, the pressing block 5 can be received when it is pressed down, at this time the sliding rod 501 slides in the through hole 204, through the arrangement of the installation groove 203, the installation cap 502 is convenient to install, through the arrangement of the installation hole 205, the connecting rod 6 slides, and through the arrangement of the two first springs 7, the stress is more uniform.

[0030] In this embodiment, as shown in Figures 1-6 , the working process of the hydraulic mold clamping device mechanical mold locking structure provided in this embodiment is as follows:

[0031] Step 1: push the mold clamping device body 1 to make it close to the mold 4, then start the mold clamping device body 1 to clamp the mold 4, and then push the connecting rod 6 to make one end of it enter the inside of the mold, and the clamping ball 602 is clamped in the clamping groove 402 under the action of the second spring 601;

[0032] Step 2: when the hydraulic pressure is lost, since the connecting rod 6 is horizontally connected with the pressing plate 2 and the mold 4, it can prevent the mold 4 from falling off, and realize the function of automatic mold locking;

[0033] Step 3: When the mold needs to be removed, the connecting rod 6 is pulled off with force to make the clamping ball 602 out of the clamping groove 402, and the connecting rod 6 is out of the mold 4, and then the mold clamping device body 1 is pulled back.

[0034] The above merely describes further embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent substitutions or changes according to the technical scheme and concept of the present application within the scope disclosed by the present application, and all of the above still belong to the protection scope of the present application.

Claims

1. A mechanical locking structure for a hydraulic mold clamp, characterized in that, The device includes a mold clamping body (1) and a pressure plate (2) rotatably mounted on the top of the mold clamping body (1). A mold locking assembly (3) is mounted on one end of the pressure plate (2). The mold locking assembly (3) is connected to a mold (4) located on one side of the mold clamping body (1). The mold locking assembly (3) includes a pressure block (5) slidably mounted on the bottom of the pressure plate (2) and a connecting rod (6) passing through the pressure block (5) and the pressure plate (2). A first spring (7) is installed between the pressure block (5) and the pressure plate (2).

2. The hydraulic mold clamping device mechanical locking structure as described in claim 1, characterized in that, The top of the mold (4) is provided with a connecting hole (401) that slides with the connecting rod (6).

3. The hydraulic mold clamping device mechanical locking structure as described in claim 2, characterized in that, The mold (4) has a slot (402) that passes through the connecting hole (401) on one side.

4. The hydraulic mold clamping device mechanical locking structure as described in claim 1, characterized in that, Both sides of the bottom of the connecting rod (6) are fixedly connected to ball bearings (602) by a second spring (601).

5. The hydraulic mold clamping device mechanical locking structure as described in claim 1, characterized in that, A handle (603) is fixedly connected to the top of the connecting rod (6), and a limiting groove (604) is opened on the outer side of the connecting rod (6).

6. The hydraulic mold clamping device mechanical locking structure as described in claim 1, characterized in that, The bottom of the pressure plate (2) is provided with a storage groove (201) that slides with the pressure block (5), and the top of the storage groove (201) is provided with two spring grooves (202) that cooperate with the first spring (7).

7. The hydraulic mold clamping device mechanical locking structure as described in claim 6, characterized in that, A mounting groove (203) is provided above the spring groove (202), and a through hole (204) is provided between the spring groove (202) and the mounting groove (203).

8. The hydraulic mold clamping device mechanical locking structure as described in claim 6, characterized in that, A mounting hole (205) is provided between the two spring grooves (202) to slide with the connecting rod (6).

9. The hydraulic mold clamping device mechanical locking structure as described in claim 7, characterized in that, The top of the pressure block (5) is fixedly connected to two slide rods (501) that slide in cooperation with the through hole (204), and the top of the slide rods (501) is threadedly connected to a mounting cap (502) located inside the mounting groove (203).

10. The hydraulic mold clamping device mechanical locking structure as described in claim 9, characterized in that, The top of the pressure block (5) is provided with a mating hole (503) between the two slide rods (501). A limit block (504) is fixedly connected to the inner side of the mating hole (503). Two first springs (7) are provided, both of which are sleeved on the outer side of the slide rods (501).

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