Mold sliding block ejection device

By using a sliding tensioning mechanism and a moving push mechanism driven by a hydraulic cylinder, the problem of mold jamming during mold closing and opening is solved, enabling reliable mold separation and closing, and improving production efficiency.

CN223777697UActive Publication Date: 2026-01-09NINGBO JIEXIN MACHINERY CO LTD
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Patent Information

Application Number
CN202520066501.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-01-09
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The mold is prone to jamming when opening and closing, making demolding and mold closing difficult and affecting production efficiency.

Method used

The sliding tensioning mechanism and the moving push mechanism driven by hydraulic cylinders achieve reliable mold separation and mold closing through sliding tension blocks and guide rods. Combined with wedge blocks and micro switches to control the stroke of hydraulic cylinders, the precise operation of the mold during mold closing and opening is ensured.

Benefits of technology

It reduces the chance of mold jamming, improves mold opening and closing efficiency, and ensures smooth demolding of injection molded parts and production continuity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223777697U_ABST
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Abstract

The utility model discloses a die slider ejection device which comprises a lower die base, an upper die base is arranged on the side surface of one end of the lower die base, a fixed supporting plate is fixedly installed on the side surface of one end of the lower die base, and a sliding stretching mechanism is arranged between the lower die base and the fixed supporting plate. The lower die base and the upper die base can be opened through the sliding stretching mechanism, and the lower die base and the upper die base can be opened and closed conveniently. According to the mold sliding block ejection device, a buckling stretching block can be pushed out through pushing of a hydraulic oil cylinder, so that the buckling stretching block can slide in a fixed supporting plate and can drive a sliding-pulling mold fixing block to slide in a positioning guide rail, and an upper mold base is extruded and pushed to move through movement of the sliding-pulling mold fixing block; the upper mold base can be vertically opened and closed, and the probability that the upper mold base and the lower mold base are clamped when the upper mold base and the lower mold base are closed and opened can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a mould sliding block ejection device. BACKGROUND

[0002] With the development of science and technology, more and more products are produced, with the fine of parts, some parts with special shape and structure can not be manufactured by hand, at this moment, the mould is needed to be used to manufacture these parts with special shape and structure, the mould is widely applied in manufacturing industry, injection molding, die casting, stamping, customized production etc. to achieve the batch and high-precision production of parts, but it is difficult to open and close the mould in the process of injection molding, and it is often stuck when opening and closing the mould due to uneven force, which seriously affects the subsequent production. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of mould sliding block ejection devices, to solve the problem that mould is not good for stripping and stuck in opening and closing in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of mould sliding block ejection device, including lower mould base, the one end side surface of the lower mould base is provided with upper mould base, and the outer surface of upper mould base and lower mould base is attached, the one end side surface of the lower mould base is fixedly installed with fixed support plate, and the one end outer surface of fixed support plate is fixedly installed with hydraulic oil cylinder, the outer surface of upper mould base is rotatably installed with buckling fixed sheet, and buckling fixed sheet and lower mould base are fixed using screw between, sliding stretch mechanism is arranged between the lower mould base and fixed support plate, the lower mould base and upper mould base can be opened by sliding stretch mechanism, facilitate opening and closing lower mould base and upper mould base.

[0005] Preferably, the sliding stretch mechanism includes: buckling stretch block, the buckling stretch block is slidably installed in the inside of fixed support plate, and fixed support plate and buckling stretch block are buckled, the output end of hydraulic oil cylinder and buckling stretch block are engaged, the one end fixedly installed with positioning guide rail of the lower mould base close to fixed support plate, and the inside of positioning guide rail is slidably installed with slide mould fixed block, and slide mould fixed block and buckling stretch block are slidably connected, the outer surface of slide mould fixed block and the outer surface of upper mould base are attached.

[0006] The technical scheme can drive the buckling stretching block to move through the contraction of the hydraulic cylinder when demolding, so that the buckling stretching block can slide in the fixed support plate, the slide mold fixing block can be pulled up and moved along the direction of the positioning guide rail, the lower mold base is separated from the upper mold base through the movement of the slide mold fixing block, and when the mold is closed, the hydraulic cylinder is only needed to be extended, the buckling stretching block and the slide mold fixing block will be reset, and the mold base is automatically returned to the original position, so that the upper mold base and the lower mold base can be vertically up and down through the action of the hydraulic cylinder, and the probability of being stuck during demolding and molding is reduced.

[0007] Preferably, the outer surface of the upper mold base is fixedly provided with an insertion positioning pin, the insertion positioning pin is inserted into the lower mold base, and the outer surface of the lower mold base is directly provided with a copper sleeve.

[0008] The technical scheme can position the lower mold base and the upper mold base through the insertion positioning pin, so that the lower mold base and the upper mold base can be accurately buckled with each other, and the copper sleeve and the insertion positioning pin can be conveniently replaced and maintained after being worn out.

[0009] Preferably, a moving and pushing mechanism is arranged between the lower mold base and the upper mold base, so that the lower mold base and the upper mold base are automatically opened and separated during the separation or closing process.

[0010] The technical scheme can automatically release the sub-mold sliding block in the upper mold base when the lower mold base and the upper mold base are separated, so as to facilitate demolding of the molded product after injection molding.

[0011] Preferably, the moving and pushing mechanism comprises: an auxiliary guide rail fixedly installed on the outer surface of the lower mold base, a sub-mold sliding block slidably installed between the lower mold base and the auxiliary guide rail, the outer surface of the sub-mold sliding block being in abutment with the outer surface of the upper mold base, a guide rod penetratingly installed on the outer surface of the upper mold base and being clamped with the upper mold base, the outer surface of the guide rod penetrating the outer surface of the sub-mold sliding block, the sub-mold sliding block and the guide rod being in sliding connection, and the outer surface of the guide rod being in abutment with the outer surface of the lower mold base.

[0012] The technical scheme can drive the buckling stretching block to move through the contraction of the hydraulic cylinder when demolding, so that the buckling stretching block can slide in the fixed support plate, the slide mold fixing block can be pulled up and moved along the direction of the positioning guide rail, the lower mold base is separated from the upper mold base through the movement of the slide mold fixing block, and when the mold is closed, the hydraulic cylinder is only needed to be extended, the buckling stretching block and the slide mold fixing block will be reset, and the mold base is automatically returned to the original position, so that the upper mold base and the lower mold base can be vertically up and down through the action of the hydraulic cylinder, and the probability of being stuck during demolding and molding is reduced.

[0013] Preferably, a sliding mechanism is arranged between the fixed support plate and the hydraulic cylinder, so that the hydraulic cylinder can automatically stop running after reaching the position through the sliding mechanism.

[0014] The above technical scheme can effectively prevent the hydraulic cylinder from being excessively pushed out, so that the buckling stretching block can stop at a proper position, the damage probability of the movable part buckling stretching block and the slide-draw mold fixed block is reduced, and the opening and closing distance between the lower mold base and the upper mold base can be adjusted.

[0015] Preferably, the sliding mechanism comprises a plug-in positioning rod, one end of the plug-in positioning rod is fixedly installed on the outer surface of the output end of the hydraulic cylinder, the outer surface of the hydraulic cylinder is penetrated by the plug-in positioning rod, the plug-in positioning rod and the outer surface of the hydraulic cylinder are in sliding connection, a micro switch is fixedly installed on the outer surface of the hydraulic cylinder, and a wedge-shaped block is fixedly installed on the outer surface of the plug-in positioning rod and is in abutment with the outer surface of the micro switch.

[0016] The above technical scheme can control the extension and retraction distance of the output end of the hydraulic cylinder by adjusting the position of the wedge-shaped block on the plug-in positioning rod, so that the movement stroke of the hydraulic cylinder can be adjusted.

[0017] Compared with the prior art, the mold slide block ejection device has the following beneficial effects:

[0018] 1. The buckling stretching block can be pushed out by the hydraulic cylinder, so that the buckling stretching block can slide in the fixed support plate, the buckling stretching block can drive the slide-draw mold fixed block to slide in the positioning guide rail, the slide-draw mold fixed block is extruded and moves the upper mold base, the upper mold base can be vertically opened and closed, and the probability of jamming of the upper mold base and the lower mold base during mold closing and mold opening is reduced.

[0019] 2. When the upper mold base and the lower mold base are separated, the guide rod is driven to move, the guide rod drives the secondary mold slide block to slide, the secondary mold slide block slides along the direction of the auxiliary guide rail, the secondary mold slide block can be separated from the injection molded part, and the injection molded part can be easily taken out from the lower mold base and the upper mold base.

[0020] 3. The position of the wedge-shaped block on the plug-in positioning rod can be adjusted, so that the plug-in positioning rod and the wedge-shaped block can move together after the hydraulic cylinder is pushed out, the hydraulic cylinder stops running after the wedge-shaped block contacts the micro switch, the stroke position of the hydraulic cylinder can be adjusted, and the mold opening distance between the lower mold base and the upper mold base can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1The utility model discloses a fixed block of slide -draw mould and the three-dimensional structure schematic diagram of fixed block of slide -draw mould,

[0022] Figure 2 The utility model discloses the three-dimensional structure schematic diagram of hydraulic oil cylinder and plug -in positioning rod,

[0023] Figure 3 The utility model discloses the explosion three-dimensional structure schematic diagram of fixed block of slide -draw mould and positioning guide rail,

[0024] Figure 4 The utility model discloses the three-dimensional structure schematic diagram of upper mould base and fixed block of slide -draw mould,

[0025] Figure 5 The utility model discloses the three-dimensional structure schematic diagram of lower mould base and fixed block of slide -draw mould,

[0026] Figure 6 The utility model discloses the three-dimensional structure schematic diagram of lower mould base and upper mould base.

[0027] In the drawing: 1, lower mould base, 2, upper mould base, 3, fixed support plate, 4, hydraulic oil cylinder, 5, plug -in positioning rod, 6, wedge, 7, micro -switch, 8, buckle stretch block, 9, fixed block of slide -draw mould, 10, positioning guide rail, 11, auxiliary guide rail, 13, guide rod, 14, plug -in positioning pin, 15, buckle fixed sheet. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0029] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a mould slide block ejection device, including lower mould base 1, the end side surface of lower mould base 1 is provided with upper mould base 2, and the outer surface of upper mould base 2 is attached with lower mould base 1, the end side surface of lower mould base 1 is fixedly installed with fixed support plate 3, and the outer surface of one end of fixed support plate 3 is fixedly installed with hydraulic oil cylinder 4, the outer surface of upper mould base 2 is rotatably installed with buckle fixed sheet 15, and buckle fixed sheet 15 is fixed between lower mould base 1 using screw, sliding stretch mechanism is arranged between lower mould base 1 and fixed support plate 3, lower mould base 1 and upper mould base 2 can be opened by sliding stretch mechanism, facilitate opening and closing lower mould base 1 and upper mould base 2.

[0030] The lower mold base 1 and the upper mold base 2 can be fixed after being closed by the buckle fixing piece 15, so that the lower mold base 1 and the upper mold base 2 can be locked after being closed, and the hydraulic oil cylinder 4 can be removed after the buckle stretching block 8 is damaged and worn out, so that the buckle stretching block 8 and the hydraulic oil cylinder 4 can be separated and inserted.

[0031] The sliding stretching mechanism comprises a buckle stretching block 8, which is slidingly installed in the inside of the fixed support plate 3, and the fixed support plate 3 is buckled with the buckle stretching block 8, the output end of the hydraulic oil cylinder 4 is engaged with the buckle stretching block 8, the lower mold base 1 is fixedly installed with a positioning guide rail 10 at one end close to the fixed support plate 3, the inside of the positioning guide rail 10 is slidingly installed with a sliding mold fixing block 9, and the sliding mold fixing block 9 is slidingly connected with the buckle stretching block 8, and the outer surface of the sliding mold fixing block 9 is fitted with the outer surface of the upper mold base 2.

[0032] When opening the mold, the buckle fixing piece 15 needs to be opened first, then the buckle stretching block 8 can be driven to slide in the inside of the fixed support plate 3 by the retraction of the hydraulic oil cylinder 4, and the buckle stretching block 8 can drive the sliding mold fixing block 9 to move together, so that the sliding mold fixing block 9 can slide along the specified direction of the positioning guide rail 10, so that the sliding mold fixing block 9 can extrude and lift the upper mold base 2, so that the upper mold base 2 can be vertically separated from the lower mold base 1, and after the injection molded part is taken out, the hydraulic oil cylinder 4 can be pushed out and the buckle stretching block 8 and the sliding mold fixing block 9 can be automatically reset, and the upper mold base 2 can be reset and buckled with the lower mold base 1, so that the lower mold base 1 and the upper mold base 2 can be vertically opened for demolding and closing, and the probability of the upper mold base 2 and the lower mold base 1 being stuck is reduced.

[0033] The outer surface of the upper mold base 2 is fixedly installed with an insertion positioning pin 14, the insertion positioning pin 14 is inserted into the lower mold base 1, and the outer surface of the lower mold base 1 is directly provided with a copper sleeve.

[0034] The insertion positioning pin 14 can position the lower mold base 1 and the upper mold base 2, and ensure the accuracy when the lower mold base 1 and the upper mold base 2 are closed, and the insertion positioning pin 14 and the copper sleeve can be easily replaced after being worn out.

[0035] The moving and pushing mechanism is arranged between the lower mold base 1 and the upper mold base 2, and the moving and pushing mechanism is used for automatically opening the separated mold during the separating or closing process of the lower mold base 1 and the upper mold base 2, the moving and pushing mechanism comprises: an auxiliary guide rail 12, the auxiliary guide rail 12 is fixedly installed on the outer surface of the lower mold base 1, a sub-mold sliding block 11 is slidingly installed between the lower mold base 1 and the auxiliary guide rail 12, the outer surface of the sub-mold sliding block 11 is attached to the outer surface of the upper mold base 2, a guide rod 13 is installed through the outer surface of the upper mold base 2, the guide rod 13 is clamped with the upper mold base 2, the outer surface of the guide rod 13 penetrates through the outer surface of the sub-mold sliding block 11, the sub-mold sliding block 11 is slidingly connected with the guide rod 13, and the outer surface of the guide rod 13 is attached to the outer surface of the lower mold base 1.

[0036] After the upper mold base 2 is lifted by the sliding mold fixing block 9, the upper mold base 2 will be lifted together with the guide rod 13, and the rising of the guide rod 13 will push the sub-mold sliding block 11, so that the sub-mold sliding block 11 can move along the direction of the auxiliary guide rail 12, the sub-mold sliding block 11 can be separated from the injection molded part, and after the lower mold base 1 is separated from the upper mold base 2, the sub-mold sliding block 11 can automatically move and be separated from the injection molded part, so that the injection molded part can be more easily taken out.

[0037] The sliding mechanism is arranged between the fixed support plate 3 and the hydraulic oil cylinder 4, and the sliding mechanism is used for automatically stopping the operation of the hydraulic oil cylinder 4 after reaching the position, the sliding mechanism comprises: a plug-in positioning rod 5, one end of the plug-in positioning rod 5 is fixedly installed on the outer surface of the output end of the hydraulic oil cylinder 4, the outer surface of the hydraulic oil cylinder 4 is penetrated by the plug-in positioning rod 5, the plug-in positioning rod 5 is slidingly connected with the outer surface of the hydraulic oil cylinder 4, a micro switch 7 is fixedly installed on the outer surface of the hydraulic oil cylinder 4, a wedge-shaped block 6 is fixedly installed on the outer surface of the plug-in positioning rod 5, and the wedge-shaped block 6 is attached to the outer surface of the micro switch 7.

[0038] The position of the wedge-shaped block 6 on the plug-in positioning rod 5 can be adjusted, so that the plug-in positioning rod 5 can be moved after the hydraulic oil cylinder 4 is moved, the wedge-shaped block 6 can be in contact with the micro switch 7, the hydraulic oil cylinder 4 can be stopped by triggering the micro switch 7, the movement stroke of the hydraulic oil cylinder 4 can be adjusted, and the opening and closing width of the lower mold base 1 and the upper mold base 2 can be adjusted.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mold slider ejection device, comprising a lower mold base (1), one end side surface of the lower mold base (1) is provided with an upper mold base (2), and the upper mold base (2) is attached to the outer surface of the lower mold base (1), one end side surface of the lower mold base (1) is fixedly installed with a fixed support plate (3), and one end outer surface of the fixed support plate (3) is fixedly installed with a hydraulic oil cylinder (4), the outer surface of the upper mold base (2) is rotatably installed with a buckling fixed plate (15), and the buckling fixed plate (15) is fixed with the lower mold base (1) by screws, characterized in that: The lower mold base (1) and the fixed support plate (3) are provided with a sliding stretching mechanism, which can make the lower mold base (1) and the upper mold base (2) be opened and closed conveniently.

2. A mold slide ejector device as defined in claim 1, wherein: The sliding stretching mechanism comprises: a buckling stretching block (8) which is slidingly installed in the fixed support plate (3), and the fixed support plate (3) is buckled with the buckling stretching block (8), the output end of the hydraulic oil cylinder (4) is clamped with the buckling stretching block (8), one end of the lower mold base (1) is fixedly installed with a positioning guide rail (10) close to the fixed support plate (3), and the inside of the positioning guide rail (10) is slidingly installed with a sliding mold fixing block (9), and the sliding mold fixing block (9) is slidingly connected with the buckling stretching block (8), and the outer surface of the sliding mold fixing block (9) is matched with the outer surface of the upper mold base (2).

3. A mold slide ejector device as defined in claim 1 wherein: The outer surface of the upper mold base (2) is fixedly installed with a plug-in positioning pin (14), and the plug-in positioning pin (14) is inserted into the lower mold base (1), and the outer surface of the lower mold base (1) is directly provided with a copper sleeve with the plug-in positioning pin (14).

4. The mold slide ejector apparatus of claim 1, wherein: The lower mold base (1) and the upper mold base (2) are provided with a moving pushing mechanism, which can automatically open the separated mold during the separation or closing process of the lower mold base (1) and the upper mold base (2).

5. A mold slide ejector device as defined in claim 4 wherein: The moving pushing mechanism comprises: an auxiliary guide rail (12) which is fixedly installed on the outer surface of the lower mold base (1), and the lower mold base (1) and the auxiliary guide rail (12) are slidingly installed with a vice mold sliding block (11), the outer surface of the vice mold sliding block (11) is matched with the outer surface of the upper mold base (2), the outer surface of the upper mold base (2) is installed with a guide rod (13), and the guide rod (13) is clamped with the upper mold base (2), the outer surface of the guide rod (13) penetrates the outer surface of the vice mold sliding block (11), the vice mold sliding block (11) is slidingly connected with the guide rod (13), and the guide rod (13) is matched with the outer surface of the lower mold base (1).

6. A mold slide ejector device as defined in claim 1 wherein: The fixed support plate (3) and the hydraulic oil cylinder (4) are provided with a sliding mechanism, which can automatically stop running after reaching the position.

7. A mold slide ejector device as defined in claim 6 wherein: The sliding mechanism comprises: a plug-in positioning rod (5) which is fixedly installed at one end of the output end of the hydraulic oil cylinder (4), the outer surface of the hydraulic oil cylinder (4) is penetrated by the plug-in positioning rod (5), the plug-in positioning rod (5) is slidingly connected with the outer surface of the hydraulic oil cylinder (4), the outer surface of the hydraulic oil cylinder (4) is fixedly installed with a micro switch (7), the outer surface of the plug-in positioning rod (5) is fixedly installed with a wedge block (6), and the wedge block (6) is matched with the outer surface of the micro switch (7).