CN215791370U - High-precision injection mold for preparing small injection molding parts - Google Patents

High-precision injection mold for preparing small injection molding parts Download PDF

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Publication number
CN215791370U
CN215791370U CN202121231542.1U CN202121231542U CN215791370U CN 215791370 U CN215791370 U CN 215791370U CN 202121231542 U CN202121231542 U CN 202121231542U CN 215791370 U CN215791370 U CN 215791370U
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mold
groove
plate
injection molding
strip
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CN202121231542.1U
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尹志命
李光恩
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Nanjing Xinxing Delta Technology Co ltd
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Nanjing Xinxing Delta Technology Co ltd
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Abstract

The utility model relates to the technical field of molds and discloses a high-precision injection mold for preparing small injection molding parts, which comprises a bottom plate, wherein a lower mold is fixedly arranged on the bottom plate, a top plate is arranged above the bottom plate, guide posts are symmetrically connected between the top plate and the bottom plate, a hydraulic cylinder is fixedly arranged on the top plate, a piston rod of the hydraulic cylinder penetrates through the top plate and is fixedly connected with an upper mold corresponding to the lower mold, the top of the upper mold is communicated with an injection port, a jacking plate is arranged in the lower mold in a sliding manner, the bottom of the jacking plate is symmetrically hinged with a first connecting rod, a strip-shaped groove is formed in the lower surface in the lower mold, cross rods are inserted in the groove at two ends of the strip-shaped groove in a sliding manner, an elastic reset component is arranged between each cross rod and the strip-shaped groove, a second connecting rod is hinged to the upper surface at one end of each cross rod, and the other end of each cross rod is hinged with the first connecting rod. The utility model is convenient for automatically ejecting the molded injection molding piece and demoulding, thereby effectively improving the production efficiency of the injection molding piece.

Description

High-precision injection mold for preparing small injection molding parts
Technical Field
The utility model relates to the technical field of molds, in particular to a high-precision injection mold for preparing small injection molding parts.
Background
Along with the more and more extensive of mould application, people also have more and more high to the requirement of mould injection molding process, and the mould mainly used makes fashioned instrument to the work piece, and the application is more extensive, and current high accuracy injection mold of preparation small-size injection molding still has some problems, is not convenient for carry out the drawing of patterns to the work piece fast and handles to the production efficiency of influence injection molding.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the background technology, and provides a high-precision injection mold for preparing small injection molding parts.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-precision injection mold for preparing small injection molding pieces comprises a bottom plate, wherein a lower mold is fixedly arranged on the bottom plate, a top plate is arranged above the bottom plate, guide posts are symmetrically connected between the top plate and the bottom plate, hydraulic cylinders are fixedly arranged on the top plate, piston rods of the hydraulic cylinders penetrate through the top plate and are fixedly connected with an upper mold corresponding to the lower mold, the top of the upper mold is communicated with an injection port, a jacking plate is arranged in the lower mold in a sliding mode, the bottom of the jacking plate is symmetrically hinged with a first connecting rod, a strip-shaped groove is formed in the lower surface in the lower mold, cross rods are slidably inserted into groove walls at two ends of the strip-shaped groove, an elastic reset component is arranged between each cross rod and the strip-shaped groove, a second connecting rod is hinged to the upper surface at one end of each cross rod, the other end of each cross rod is hinged with the first connecting rod, and a movable plate is hinged to the end of each second connecting rod, and the upper surface of the movable plate is attached to the bottom of the upper die, a T-shaped sliding block is fixedly connected to the side wall of the movable plate, a T-shaped sliding groove is formed in the outer side wall of the lower die, and the T-shaped sliding block is connected with the T-shaped sliding groove in a sliding mode.
Preferably, the elastic reset assembly comprises a check block fixedly sleeved on the cross rod, the check block is positioned in the strip-shaped groove, a first spring is fixedly connected between the check block and the groove wall of the end part of the strip-shaped groove, and the first spring is sleeved on the cross rod.
Preferably, the upper die is symmetrically and fixedly connected with guide sleeves matched with the guide posts on the side wall close to the top end, the guide sleeves are in sliding sleeve connection with the guide posts, and second springs are fixedly connected between the guide sleeves and the top plate.
Preferably, sealing strips attached to the inner cavity of the lower die are fixedly mounted on four sides of the jacking plate.
Preferably, a ball groove is formed in one side, close to the bottom of the T-shaped sliding groove, of the T-shaped sliding block, a ball is installed in the ball groove, one end of the ball penetrates through a groove opening of the ball groove and extends outwards, and the ball is connected with the bottom of the T-shaped sliding groove in a rolling mode.
Preferably, the top edge of the lower die is fixedly provided with a matched cushion pad.
Compared with the prior art, the utility model provides a high-precision injection mold for preparing small injection molding parts, which has the following beneficial effects:
this prepare high-accuracy injection mold of small-size injection molding, through setting up the bed die, the pneumatic cylinder, go up the mould, the mouth of moulding plastics, the jacking board, first connecting rod, the horizontal pole, elasticity reset assembly, the second connecting rod, the fly leaf, T type slider and T type spout, the pneumatic cylinder conveniently drives mould and bed die looks block, the mouth of moulding plastics conveniently moulds plastics, mould and bed die separation in the control after the injection moulding, elasticity reset assembly conveniently drives the horizontal pole and resets, make the jacking board rise along the bed die inner chamber is automatic, thereby it is automatic ejecting with the injection molding, the convenient drawing of patterns, effectively improve the production efficiency of injection molding.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the utility model is convenient for automatically ejecting the molded injection molding piece and demoulding, thereby effectively improving the production efficiency of the injection molding piece.
Drawings
FIG. 1 is a schematic structural diagram of a high-precision injection mold for producing small injection-molded parts according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: the injection molding machine comprises a base plate 1, a lower mold 2, a top plate 3, a guide post 4, a hydraulic cylinder 5, an upper mold 6, an injection molding opening 7, a jacking plate 8, a first connecting rod 9, a strip-shaped groove 10, a cross rod 11, a second connecting rod 12, a movable plate 13, a T-shaped sliding block 14, a T-shaped sliding groove 15, a stop block 16, a first spring 17, a guide sleeve 18, a second spring 19 and balls 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a high precision injection mold for preparing small injection molding parts, comprising a bottom plate 1, a lower mold 2 fixedly mounted on the bottom plate 1, a top plate 3 disposed above the bottom plate 1, guide posts 4 symmetrically connected between the top plate 3 and the bottom plate 1, a hydraulic cylinder 5 fixedly mounted on the top plate 3, a piston rod of the hydraulic cylinder 5 penetrating through the top plate 3 and fixedly connected with an upper mold 6 corresponding to the lower mold 2, an injection opening 7 communicated with the top of the upper mold 6, a lifting plate 8 slidably disposed in the lower mold 2, first connecting rods 9 symmetrically hinged to the bottom of the lifting plate 8, a strip-shaped groove 10 disposed on the lower surface of the inner portion of the lower mold 2, cross rods 11 slidably inserted on the groove walls at both ends of the strip-shaped groove 10, an elastic reset component mounted between the cross rod 11 and the strip-shaped groove 10, a second connecting rod 12 hinged to the upper surface at one end of the cross rod 11, and the other end of the cross rod 11 hinged to the first connecting rod 9, the end of the second connecting rod 12 is hinged to a movable plate 13, the upper surface of the movable plate 13 is attached to the bottom of the upper mold 6, a T-shaped slider 14 is fixedly connected to the side wall of the movable plate 13, a T-shaped sliding slot 15 is formed in the outer side wall of the lower mold 2, and the T-shaped slider 14 is slidably connected to the T-shaped sliding slot 15.
The elastic reset component comprises a stop block 16 fixedly sleeved on the cross rod 11, the stop block 16 is positioned in the strip-shaped groove 10, a first spring 17 is fixedly connected between the stop block 16 and the groove wall at the end part of the strip-shaped groove 10, the first spring 17 is sleeved on the cross rod 11, the hydraulic cylinder 5 is started to drive the upper die 6 to move downwards so as to be clamped with the lower die 2, the upper die 6 drives the movable plate 13 to move downwards in the descending process, the movable plate 13 drives the hinged second connecting rod 12 so as to enable the two cross rods 11 to slide oppositely, the cross rod 11 drives the hinged first connecting rod 9 so as to facilitate the lifting plate 8 to move downwards along the inner cavity of the lower die 2, the injection port 7 facilitates injection molding, the hydraulic cylinder 5 drives the upper die 6 to ascend after injection molding, the first spring 17 drives the cross rod 11 to automatically reset so as to enable the lifting plate 8 to ascend automatically along the inner cavity of the lower die 2, so as to automatically eject an injection molding piece, the convenient drawing of patterns effectively improves the production efficiency of injection molding.
Go up symmetrical fixedly connected with and guide post 4 assorted uide bushing 18 on the lateral wall that mould 6 is close to the top, and uide bushing 18 and guide post 4 slip cup joint, the stability that mould 6 goes up and down is effectively guaranteed in the uide bushing 18 cooperation guide post 4, fixedly connected with second spring 19 between uide bushing 18 and the roof 3, convenient buffering, the impact force is too big when avoiding going up mould 6 downstream.
Sealing strips attached to the inner cavity of the lower die 2 are fixedly mounted on four sides of the jacking plate 8, and sealing performance between the jacking plate 8 and the inner cavity of the lower die 2 is guaranteed.
The T-shaped sliding block 14 is provided with a ball groove at one side close to the bottom of the T-shaped sliding groove 15, a ball 20 is arranged in the ball groove, one end of the ball 20 penetrates through the notch of the ball groove and extends outwards, and is in rolling connection with the bottom of the T-shaped sliding groove 15, so that the friction force between the T-shaped sliding block 14 and the T-shaped sliding groove 15 is reduced.
The top edge of the lower die 2 is fixedly provided with a matched cushion pad, so that the buffering protection is facilitated, and the die damage is avoided.
In the utility model, when the injection molding machine is used, the hydraulic cylinder 5 is started to drive the upper mold 6 to move downwards to be clamped with the lower mold 2, the movable plate 13 is driven to move downwards in the descending process of the upper mold 6, the movable plate 13 drives the hinged second connecting rod 12 to enable the two cross rods 11 to slide back to back, the cross rods 11 drive the hinged first connecting rod 9, so that the jacking plate 8 can conveniently move downwards along the inner cavity of the lower mold 2, the injection port 7 can conveniently perform injection molding, the hydraulic cylinder 5 drives the upper mold 6 to ascend after injection molding, the first spring 17 drives the cross rods 11 to automatically reset, and the jacking plate 8 can automatically ascend along the inner cavity of the lower mold 2, so that an injection molding piece is automatically ejected, the demolding is convenient, and the production efficiency of the injection molding piece is effectively improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A high-precision injection mold for preparing small injection molding parts comprises a bottom plate (1) and is characterized in that a lower mold (2) is fixedly installed on the bottom plate (1), a top plate (3) is arranged above the bottom plate (1), guide columns (4) are symmetrically connected between the top plate (3) and the bottom plate (1), a hydraulic cylinder (5) is fixedly installed on the top plate (3), a piston rod of the hydraulic cylinder (5) penetrates through the top plate (3) and is fixedly connected with an upper mold (6) corresponding to the lower mold (2), an injection molding opening (7) is communicated with the top of the upper mold (6), a jacking plate (8) is arranged in the lower mold (2) in a sliding mode, first connecting rods (9) are symmetrically hinged to the bottom of the jacking plate (8), a strip-shaped groove (10) is formed in the lower surface inside the lower mold (2), and cross rods (11) are inserted and connected to the two ends of the strip-shaped groove (10) in a sliding mode, install the elasticity subassembly that resets between horizontal pole (11) and bar groove (10), the upper surface of horizontal pole (11) one end articulates there is second connecting rod (12), and horizontal pole (11) other end and first connecting rod (9) are articulated mutually, the tip of second connecting rod (12) articulates there is fly leaf (13), and the upper surface of fly leaf (13) and the bottom of last mould (6) laminate mutually, fixedly connected with T type slider (14) on the lateral wall of fly leaf (13), T type spout (15) have been seted up on the lateral wall of bed die (2), and T type slider (14) and T type spout (15) sliding connection.
2. The high-precision injection mold for preparing small injection-molded parts according to claim 1, wherein the elastic reset component comprises a stopper (16) fixedly sleeved on the cross rod (11), the stopper (16) is positioned in the strip-shaped groove (10), a first spring (17) is fixedly connected between the stopper (16) and a groove wall at the end of the strip-shaped groove (10), and the first spring (17) is sleeved on the cross rod (11).
3. A high-precision injection mold for preparing small injection-molded parts, according to claim 1, characterized in that the side wall of the upper mold (6) near the top end is symmetrically and fixedly connected with a guide sleeve (18) matched with the guide post (4), the guide sleeve (18) is sleeved with the guide post (4) in a sliding manner, and a second spring (19) is fixedly connected between the guide sleeve (18) and the top plate (3).
4. A high precision injection mould for making small injection moulded parts according to claim 1 characterised in that the four sides of the jacking plate (8) are fixedly fitted with sealing strips which fit the inner cavity of the lower mould (2).
5. The high-precision injection mold for preparing the small injection molded parts is characterized in that one side, close to the bottom of the T-shaped sliding groove (15), of the T-shaped sliding block (14) is provided with a ball groove, a ball (20) is installed in the ball groove, and one end of the ball (20) penetrates through the notch of the ball groove, extends outwards and is in rolling connection with the bottom of the T-shaped sliding groove (15).
6. A high precision injection mould for the production of small injection moulded parts according to claim 1 characterised in that the top edge of the lower mould (2) is fixed with matching cushions.
CN202121231542.1U 2021-06-03 2021-06-03 High-precision injection mold for preparing small injection molding parts Active CN215791370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121231542.1U CN215791370U (en) 2021-06-03 2021-06-03 High-precision injection mold for preparing small injection molding parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121231542.1U CN215791370U (en) 2021-06-03 2021-06-03 High-precision injection mold for preparing small injection molding parts

Publications (1)

Publication Number Publication Date
CN215791370U true CN215791370U (en) 2022-02-11

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CN202121231542.1U Active CN215791370U (en) 2021-06-03 2021-06-03 High-precision injection mold for preparing small injection molding parts

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CN (1) CN215791370U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115122588A (en) * 2022-06-30 2022-09-30 安徽顺达模塑科技有限公司 Automobile air outlet molding equipment
CN115302718A (en) * 2022-08-24 2022-11-08 苏州迈创信息技术有限公司 Forming die for security protection camera shell injection molding
CN116587540A (en) * 2023-07-18 2023-08-15 南通恒立机械设备有限公司 Mold of aviation bearing gasket and molding method of bearing gasket
CN117690832A (en) * 2024-01-02 2024-03-12 浙江大学 Semiconductor device packaging device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115122588A (en) * 2022-06-30 2022-09-30 安徽顺达模塑科技有限公司 Automobile air outlet molding equipment
CN115302718A (en) * 2022-08-24 2022-11-08 苏州迈创信息技术有限公司 Forming die for security protection camera shell injection molding
CN115302718B (en) * 2022-08-24 2023-06-06 苏州迈创信息技术有限公司 Forming die for security protection camera shell injection molding
CN116587540A (en) * 2023-07-18 2023-08-15 南通恒立机械设备有限公司 Mold of aviation bearing gasket and molding method of bearing gasket
CN116587540B (en) * 2023-07-18 2023-10-31 南通恒立机械设备有限公司 Mold of aviation bearing gasket and molding method of bearing gasket
CN117690832A (en) * 2024-01-02 2024-03-12 浙江大学 Semiconductor device packaging device
CN117690832B (en) * 2024-01-02 2024-05-24 浙江大学 Semiconductor device packaging device

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