CN212171133U - Mold core guide structure for plastic mold - Google Patents

Mold core guide structure for plastic mold Download PDF

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Publication number
CN212171133U
CN212171133U CN202020079773.4U CN202020079773U CN212171133U CN 212171133 U CN212171133 U CN 212171133U CN 202020079773 U CN202020079773 U CN 202020079773U CN 212171133 U CN212171133 U CN 212171133U
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screw
wall
mold
baffle
screw rod
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CN202020079773.4U
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Chinese (zh)
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张子虎
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Suzhou Liji Precision Mould Co ltd
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  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The utility model discloses a mold core guide structure for plastic mold, including lower mould and last mould, it has the injection syringe to peg graft to go up the inner chamber of mould, the inner chamber central point of lower mould puts and pegs graft and has the backup pad, the right side central point of backup pad puts and has electric telescopic handle through screw locking, electric telescopic handle's right side is provided with first baffle, there is the motor inner chamber bottom left side of lower mould through screw locking, the output of motor is provided with first screw rod, the outer wall top interference fit of first screw rod has the inner ring of bearing, the outer loop of bearing and the inner wall fixed connection of lower mould, the outer wall central point of first screw rod puts interference fit and has the worm, the equal threaded connection in both ends has first rectangular block about the outer wall of first screw rod. This mold core guide structure for plastic mold, the device can effectually make things convenient for injection mold to carry out drawing of patterns operation, avoids work piece and die cavity inner wall adhesion, more accords with actual user demand.

Description

Mold core guide structure for plastic mold
Technical Field
The utility model relates to the technical field of mold, specifically be a mold core guide structure for plastic mold.
Background
The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate dimensions, the injection molding is a processing method used when producing some parts with complex shapes in batches, and specifically, the injection molding is a processing method used when injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and after cooling and solidification, a formed product is obtained, the injection mold is divided into a thermosetting plastic mold, an automobile mold and a thermoplastic plastic mold according to the forming characteristics, and the injection mold is divided into a transfer mold, a blow molding mold, a cast molding mold, a hot forming mold, a hot pressing mold (compression molding mold), an injection mold and the like according to the forming process;
after the existing injection mold completes injection molding, when the mold is opened, the phenomenon of adhesion between a workpiece and a mold cavity often occurs, the workpiece is inconvenient to take down, time and labor are wasted, the practicability of the injection mold is reduced, and the practical use requirement is not met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mold core guide structure for plastic mold to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mold core guide structure for a plastic mold comprises a lower mold and an upper mold, wherein an injection tube is inserted into an inner cavity of the upper mold, a support plate is inserted into the center position of the inner cavity of the lower mold, an electric telescopic rod is locked at the center position of the right side of the support plate through a screw, a first baffle plate is arranged at the right side of the electric telescopic rod, a motor is locked at the left side of the bottom end of the inner cavity of the lower mold through a screw, a first screw rod is arranged at the output end of the motor, an inner ring of a bearing is in interference fit with the top end of the outer wall of the first screw rod, an outer ring of the bearing is fixedly connected with the inner wall of the lower mold, a worm is in interference fit with the center position of the outer wall of the first screw rod, first rectangular blocks are in threaded connection with the upper end and the lower end of the outer ring of, the outer wall central point of second screw rod puts interference fit and has continuous with the worm meshing, the equal threaded connection in both ends has the second rectangular block around the outer wall of second screw rod, the inner chamber of first rectangular block and second rectangular block all is provided with the bracing piece, the spout has all been seted up at both ends about the inner chamber of bracing piece, the inner chamber left side of bracing piece is embedded to have the slider, the right side of slider is provided with the one end of connecting rod, the right side other end of connecting rod extends the inner chamber of bracing piece, and is provided with the second baffle.
Preferably, the threads at the upper end and the lower end of the outer wall of the first screw rod are threads in opposite directions.
Preferably, the second screw is located on the right side of the worm.
Preferably, the outer wall of the connecting rod is shaped like an 'L'.
Preferably, the number of the second baffle plates is four, and the four second baffle plates are respectively positioned at the upper end and the lower end of the front side and the rear side of the first baffle plate.
Compared with the prior art, the beneficial effects of the utility model are that: this mold core guide structure for plastic mold, after normally starting through the motor, make first screw rod drive the worm rotatory, make first rectangle piece drive the bracing piece through first screw rod, connecting rod and second baffle move to the outside along upper and lower direction, make the worm wheel drive the second screw rod rotatory through the worm simultaneously, make second rectangle piece drive the bracing piece through the second screw rod, connecting rod and second baffle move to the outside along the fore-and-aft direction, thereby make four second baffles and work piece break away from the contact, thereby realize work piece drawing of patterns operation, the device can effectually make things convenient for injection mold to carry out drawing of patterns operation, avoid work piece and die cavity inner wall adhesion, lead to its unable normal drawing of patterns, moreover, the steam generator is simple in operation, high durability and convenient use, manpower and material resources are saved, the practicality of injection mold is improved, more accord with actual user demand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top cross-sectional view of the lower mold of the present invention;
fig. 3 is a cross-sectional view of the support rod of the present invention;
fig. 4 is a schematic view of the supporting plate structure of the present invention.
In the figure: 1. the injection molding machine comprises a lower die, 2, an upper die, 3, an injection tube, 4, a supporting plate, 5, an electric telescopic rod, 6, a first baffle, 7, a motor, 8, a first screw rod, 9, a worm, 10, a first rectangular block, 11, a second screw rod, 12, a worm wheel, 13, a second rectangular block, 14, a supporting rod, 15, a sliding groove, 16, a sliding block, 17, a connecting rod, 18 and a second baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a mold core guide structure for a plastic mold comprises a lower mold 1 and an upper mold 2, an injection tube 3 is inserted in an inner cavity of the upper mold 2, a support plate 4 is inserted in the center position of the inner cavity of the lower mold 1, an electric telescopic rod 5 is locked in the center position of the right side of the support plate 4 through a screw, a first baffle 6 is arranged on the right side of the electric telescopic rod 5, a motor 7 is locked in the left side of the bottom end of the inner cavity of the lower mold 1 through a screw, a first screw 8 is arranged at the output end of the motor 7, after the motor 7 is normally started, the first screw 8 is enabled to drive a worm 9 to rotate, through the threaded connection relationship between the first screw 8 and a first rectangular block 10, the first rectangular block 10 is enabled to drive a support rod 14, a connecting rod 17 and a second baffle 18 to move outwards in the vertical direction, an inner ring of a bearing is in interference fit, a worm 9 is in interference fit with the center of the outer wall of the first screw 8, the upper end and the lower end of the outer wall of the first screw 8 are in threaded connection with a first rectangular block 10, the left sides of the front end and the rear end of the inner cavity of the lower die 1 are fixedly connected with the outer ring of a bearing, the inner ring of the bearing is in interference fit with a second screw 11, the center of the outer wall of the second screw 11 is in interference fit with a 12 meshed and connected with the worm 9, the worm wheel 12 drives the second screw 11 to rotate through the meshed and connected relation of the worm 9 and a worm wheel 12, the second rectangular block 13 drives a support rod 14, a connecting rod 17 and a second baffle plate 18 to move outwards along the front and rear direction through the threaded connection of the second screw 11 and the second rectangular block 13, the front end and the rear end of the outer wall of the second screw 11 are in threaded connection with a second rectangular block 13, the inner cavities of the first rectangular block 10 and the second rectangular, a slide block 16 is embedded in the left side of the inner cavity of the support rod 14, one end of a connecting rod 17 is arranged on the right side of the slide block 16, the motor 7 is started through reverse rotation, the motor 7 is enabled to drive a first screw rod 8 and a worm 9 to rotate reversely, a first rectangular block 10 is enabled to drive the support rod 14 through the first screw rod 8, the connecting rod 17 and a second baffle 18 move inwards to be in contact with the first baffle 6 for resetting, a worm wheel 12 is enabled to drive a second screw rod 11 to rotate reversely through the worm 9, a second rectangular block 13 is enabled to drive the support rod 14, the connecting rod 17 and the second baffle 18 move inwards to be in contact with the first baffle 6 for resetting, the other end of the right side of the connecting rod 17 extends out of the inner cavity of the support rod 14 and is provided with the second baffle 18, after the motor 7 is normally started, the first screw rod 8 is enabled to drive the worm, The connecting rod 17 and the second baffle 18 move outwards along the up-down direction, meanwhile, the worm 9 enables the worm wheel 12 to drive the second screw rod 11 to rotate, the second rectangular block 13 is enabled to drive the supporting rod 14, the connecting rod 17 and the second baffle 18 to move outwards along the front-back direction through the second screw rod 11, and therefore the four second baffles 18 are separated from the workpiece to be in contact with the workpiece, and the workpiece demoulding operation is achieved.
The following electric devices have the following types and functions:
the electric telescopic rod 5 is NKLA22 in model, the electric telescopic rod 5 is connected with an external power supply, the external power supply is 380V alternating current, and the external power supply of the electric telescopic rod 5 is switched on or off to enable the electric telescopic rod to work or stop working;
the motor 7 is a speed reducing motor, the model is R107R77, and is connected with an external power supply, the external power supply is 380V alternating current, the external power supply motor 7 of the motor 7 is switched on to work, and the external power supply motor 7 of the motor 7 is switched off to stop working.
Preferably, the threads at the upper end and the lower end of the outer wall of the first screw 8 are threads in opposite directions, after the motor 7 is normally started, the first screw 8 is driven to drive the worm 9 to rotate, and the first rectangular block 10 is driven to drive the support rod 14, the connecting rod 17 and the second baffle 18 to move outwards in the upper-lower direction through the threaded connection relationship between the first screw 8 and the first rectangular block 10.
Preferably, the second screw 11 is located on the right side of the worm 9, the worm wheel 12 is caused to drive the second screw 11 to rotate by the meshed connection of the worm 9 and the worm wheel 12, and the support rod 14, the connecting rod 17 and the second baffle 18 are caused to be driven to move to the outside in the front-back direction by the second rectangular block 13 by the threaded connection of the second screw 11 and the second rectangular block 13.
Preferably, the outer wall of the connecting rod 17 is shaped like an "L", the motor 7 is started by reversing, the motor 7 is caused to drive the first screw 8 and the worm 9 to rotate in opposite directions, the first rectangular block 10 is caused to drive the supporting rod 14, the connecting rod 17 and the second baffle 18 to move inwards to be in contact with the first baffle 6 for resetting, the worm 9 is caused to drive the worm wheel 12 to drive the second screw 11 to rotate in opposite directions, and the second rectangular block 13 is caused to drive the supporting rod 14, the connecting rod 17 and the second baffle 18 to move inwards to be in contact with the first baffle 6 for resetting.
As a preferable scheme, furthermore, the number of the second baffles 18 is four, and the four second baffles 18 are respectively located at the upper end and the lower end of the front side and the lower end of the rear side of the first baffle 6, after the motor 7 is normally started, the first screw 8 is driven to drive the worm 9 to rotate, the first rectangular block 10 is driven by the first screw 8 to drive the support rod 14, the connecting rod 17 and the second baffle 18 to move outwards along the vertical direction, the worm wheel 12 is driven by the worm 9 to drive the second screw 11 to rotate, the second rectangular block 13 is driven by the second screw 11 to drive the support rod 14, the connecting rod 17 and the second baffle 18 to move outwards along the front-rear direction, so that the four second baffles 18 are separated from the workpiece, and the workpiece demoulding operation is realized.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, specific connection and control sequence.
When the injection molding machine is used, an injection molding material is injected into the inner sides of the first baffle 6 and the second baffle 18 through the injection pipe 3 by the injection molding machine, after a product is cooled and molded, the power supply of the electric telescopic rod 5 and the motor 7 is switched on, the upper die 2 and the injection pipe 3 are driven to move towards the right side through the external driving device, after the electric telescopic rod 5 is normally started, the first baffle 6 is pushed and drives the product, the second baffle 18, the connecting rod 17 and the sliding block 16 to move towards the right side, after the first baffle 6 drives the product and the second baffle 18 to move out of the inner cavity of the lower die 1, the electric telescopic rod 5 stops working, after the motor 7 is normally started, the first screw rod 8 drives the worm 9 to rotate, through the relationship that the first screw rod 8 is in threaded connection with the first rectangular block 10, the first rectangular block 10 drives the supporting rod 14, the connecting rod 17 and the second baffle 18 to move towards the outer side, the worm wheel 12 is promoted to drive the second screw rod 11 to rotate, the second rectangular block 13 is promoted to drive the supporting rod 14, the connecting rod 17 and the second baffle plate 18 to move outwards along the front-back direction through the threaded connection relationship between the second screw rod 11 and the second rectangular block 13, so that the four second baffle plates 18 are separated from contact with a workpiece, the workpiece demoulding operation is realized, the motor 7 is started in a reverse mode, the motor 7 is promoted to drive the first screw rod 8 and the worm 9 to rotate in a reverse mode, the first rectangular block 10 is promoted to drive the supporting rod 14, the connecting rod 17 and the second baffle plate 18 to move inwards to be in contact with the first baffle plate 6 through the first screw rod 8, the worm wheel 12 is promoted to drive the second screw rod 11 to rotate in a reverse mode through the worm 9, the second rectangular block 13 is promoted to drive the supporting rod 14, the connecting rod 17 and the second baffle plate 18 to move inwards to be in contact with the first baffle, drive first baffle 6, second baffle 18, connecting rod 17 and slider 16 and move to the left side and reset, the device simple structure controls convenient to use, can effectually make things convenient for injection mold to carry out drawing of patterns operation, avoids work piece and die cavity inner wall adhesion, more accords with the user demand of reality.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "coupled," "plugged," "welded," "clamped," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a mold core guide structure for plastic mold, includes lower mould (1) and last mould (2), its characterized in that: an injection tube (3) is inserted into an inner cavity of the upper die (2), a support plate (4) is inserted into the center position of the inner cavity of the lower die (1), an electric telescopic rod (5) is locked at the center position of the right side of the support plate (4) through a screw, a first baffle plate (6) is arranged at the right side of the electric telescopic rod (5), a motor (7) is locked at the left side of the bottom end of the inner cavity of the lower die (1) through a screw, a first screw (8) is arranged at the output end of the motor (7), an inner ring of a bearing is in interference fit with the top end of the outer wall of the first screw (8), an outer ring of the bearing is fixedly connected with the inner wall of the lower die (1), a worm (9) is in interference fit with the center position of the outer wall of the first screw (8), a first rectangular block (10) is in threaded connection with the upper end and the lower end of the outer wall of, the inner ring interference fit of bearing has second screw rod (11), the outer wall central point of second screw rod (11) puts interference fit and has (12) continuous with worm (9) meshing, the equal threaded connection in both ends has second rectangular block (13) around the outer wall of second screw rod (11), the inner chamber of first rectangular block (10) and second rectangular block (13) all is provided with bracing piece (14), spout (15) have all been seted up at both ends about the inner chamber of bracing piece (14), the inner chamber left side of bracing piece (14) is embedded to have slider (16), the right side of slider (16) is provided with the one end of connecting rod (17), the right side other end of connecting rod (17) extends the inner chamber of bracing piece (14) and is provided with second baffle (18).
2. The mold core guide structure for plastic molds according to claim 1, wherein: the threads at the upper end and the lower end of the outer wall of the first screw rod (8) are threads in opposite directions.
3. The mold core guide structure for plastic molds according to claim 1, wherein: the second screw (11) is positioned on the right side of the worm (9).
4. The mold core guide structure for plastic molds according to claim 1, wherein: the outer wall of the connecting rod (17) is L-shaped.
5. The mold core guide structure for plastic molds according to claim 1, wherein: the number of the second baffle plates (18) is four, and the four second baffle plates (18) are respectively positioned at the upper end and the lower end of the front side and the rear side of the first baffle plate (6).
CN202020079773.4U 2020-01-14 2020-01-14 Mold core guide structure for plastic mold Active CN212171133U (en)

Priority Applications (1)

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CN202020079773.4U CN212171133U (en) 2020-01-14 2020-01-14 Mold core guide structure for plastic mold

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Application Number Priority Date Filing Date Title
CN202020079773.4U CN212171133U (en) 2020-01-14 2020-01-14 Mold core guide structure for plastic mold

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CN212171133U true CN212171133U (en) 2020-12-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113476025A (en) * 2021-07-06 2021-10-08 南通大学附属医院 Puncture needle capable of shortening puncture time and used for invasive arterial pressure monitoring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113476025A (en) * 2021-07-06 2021-10-08 南通大学附属医院 Puncture needle capable of shortening puncture time and used for invasive arterial pressure monitoring
CN113476025B (en) * 2021-07-06 2023-07-25 南通大学附属医院 Puncture needle for monitoring pressure of invasive artery

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210308

Address after: 215103 Building 2, No.16 Yaonan Road, Hengjing street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province

Patentee after: Suzhou Liji precision mould Co.,Ltd.

Address before: 476000 building 57, Shenhuo city garden, Wenhua South Road and Huayuan Road, Yanji Town, Yongcheng City, Shangqiu City, Henan Province

Patentee before: Zhang Zihu

TR01 Transfer of patent right