Mold structure for delaying core pulling of sliding block

Abstract

The utility model provides a slide block delayed core-pulling mould structure, which comprises a tapping assembly and an oil cylinder slide block assembly, the oil cylinder slide block assembly comprises a slide block seat and an oil cylinder, the oil cylinder is in driving connection with the slide block seat, and the slide block seat can do reciprocating motion along the axial direction of a piston rod of the oil cylinder. A sliding block unlocking rod and a tapping assembly are respectively mounted on the same sides of the sliding block seat and the oil cylinder; the tapping assembly comprises a tapping rod, a tapping seat, a tapping lock head and a tapping lock block, the tapping lock block and the tapping rod are both installed below the tapping lock head, the tapping lock block is in transmission connection with the tapping rod, the tapping rod can rotate around the top of the tapping rod, and the tapping seat is arranged below the tapping rod; the rapping assembly includes a locked state and an opened state. The tapping assembly and the oil cylinder sliding block assembly are adopted, so that fastening connection of the mold plate A and the mold plate B during locking is guaranteed, the insert pin is firstly pulled out to be prevented from being damaged after unlocking, the effect of delayed opening is achieved, and therefore the safety of mold production is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, specifically, relate to a mould structure of slider delayed core-pulling. BACKGROUND

[0002] The plastic shell of the air valve box for controlling inflation in the automobile electric seat massage chair is usually produced by using a precision injection mold. Such a mold needs to have a high-finish cavity and precise tolerance control to ensure the cooperation precision of the air valve sealing surface and the internal air path structure.

[0003] When the mold is opened after the injection is completed, the rear mold slide block insert needle is positioned in the front mold insert. If the insert needle is not pulled out first, the front mold and the rear mold are directly opened, and the insert needle will be bent and broken by the front mold. If the positioning is not performed, the position size of the product hole in the front mold cannot be guaranteed.

[0004] The existing Chinese patent with the publication number CN207549339U discloses an injection mold with a slider insert delayed core-pulling mechanism, which comprises a mold assembly and a delayed core-pulling mechanism. The top end of the mold assembly is provided with a fixed mold panel. The bottom end of the fixed mold panel is fixedly connected with a gate plate. The bottom end of the gate plate is fixedly connected with a fixed mold plate. The lower end of the fixed mold plate is provided with the delayed core-pulling mechanism on one side. The delayed core-pulling mechanism comprises a slider, a slider insert, a plug screw, a spring, an inclined guide seat, and an inclined guide column. The bottom end of the slider is movably connected in a T-shaped sliding groove on the upper end of the movable mold plate. The upper end of the slider is provided with a through hole. The inner wall of the through hole is provided with a step. The left end of the through hole is movably mounted with the slider insert. The right end of the slider insert is threadedly connected with the plug screw. The right end of the plug screw penetrates the step. The right end of the slider insert and the step are provided with the spring.

[0005] The slider delayed core-pulling mold structure used in the prior art is complex and is not suitable for the air valve box for controlling inflation in the automobile electric seat massage chair. Therefore, it is necessary to provide a mold structure with slider delayed core-pulling, which can open the insert needle through a simple structure and delay the opening of the front mold and the rear mold, thereby ensuring the safety of the mold production. UTILITY MODEL CONTENTS

[0006] In view of the defects in the prior art, the utility model aims to provide a mold structure with slider delayed core-pulling.

[0007] According to the mold structure with slider delayed core-pulling provided by the utility model, the oil cylinder slider assembly comprises a slider seat and an oil cylinder. The oil cylinder is drivingly connected with the slider seat. The slider seat can make reciprocating motion along the axial direction of the piston rod of the oil cylinder. The same side of the slider seat and the oil cylinder is respectively provided with a slider unlocking rod and a percussion assembly.

[0008] The knocking assembly comprises a knocking rod, a knocking seat, a knocking lock head, and a knocking lock block, the knocking lock block and the knocking rod are both installed below the knocking lock head, the knocking lock block is in transmission connection with the knocking rod, the knocking rod can rotate around its top, and the knocking seat is arranged below the knocking rod;

[0009] The knocking assembly comprises a locking state and an opening state, when the knocking assembly is in the opening state, the sliding block unlocking rod is in abutment with the knocking lock block, and the knocking rod is unlocked from the knocking seat;

[0010] When the knocking assembly is in the locking state, the sliding block unlocking rod is not in contact with the knocking lock block, and the knocking rod is locked with the knocking seat.

[0011] Preferably, the mold comprises a mold A plate and a mold B plate, when the knocking assembly is in the locking state, the mold A plate and the mold B plate are fixed, and when the knocking assembly is in the opening state, the mold A plate and the mold B plate can be opened.

[0012] Preferably, the bottom of the sliding block seat is provided with a spade base, the spade base is in sliding fit with the sliding block seat, and when the sliding block unlocking rod approaches the knocking lock block, the spade base can move upward.

[0013] Preferably, a glue position sliding block product extraction mold hole is formed between the spade base and the mold A plate, an inner core small sliding block seat is arranged in the hole, and the spade base is in transmission connection with the inner core small sliding block seat.

[0014] Preferably, an oil cylinder support is fixedly installed on the mold A plate, a groove is arranged in the middle of the oil cylinder support, and the piston rod of the oil cylinder is arranged in the groove and moves along the axial direction of the groove.

[0015] Preferably, a light sensing switch contact support is arranged on the side of the sliding block seat away from the sliding block unlocking rod, and an oil cylinder light sensing extraction switch and an oil cylinder light sensing reset switch are installed on the light sensing switch contact support.

[0016] Preferably, a limit switch support is installed on the oil cylinder support, and a limit switch corresponding to the oil cylinder light sensing extraction switch and the oil cylinder light sensing reset switch is arranged on the limit switch support.

[0017] Preferably, the mold further comprises a rear mold component, the rear mold component comprises an upper ejector pin plate, a lower ejector pin plate, a square iron, and a rear mold bottom plate, the rear mold bottom plate is press-fitted and fixed on the injection molding machine, the upper ejector pin plate, the lower ejector pin plate, and the square iron are all installed on the rear mold bottom plate, the square iron is used for supporting the mold B plate, and the upper ejector pin plate and the lower ejector pin plate are used for ejecting products.

[0018] Preferably, the sliding block seat is fixedly installed on the end of the piston rod of the oil cylinder through an oil cylinder link head.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] This invention employs a striking assembly and a hydraulic cylinder slider assembly. The hydraulic cylinder drives the slider seat, which in turn moves the slider unlocking rod to push open the striking lock head, thus unlocking the striking assembly. Simultaneously, the slider seat moves the shovel base to pull out the inner core-pulling slider seat. This dual structure ensures both a tight connection between mold plate A and mold plate B when locked, and the timely removal of the insert pin after unlocking to protect it from damage, achieving a delayed opening effect and thus ensuring the safety of mold production. Attached Figure Description

[0021] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of the mold structure for delayed core pulling using a slider, which is the main feature of this utility model.

[0023] Figure 2 This is a top view of the mold structure for delayed core pulling using a slider, which is the main feature of this utility model.

[0024] Figure 3 This is a front view of the mold structure for delayed core pulling using a slider, which is the main feature of this utility model.

[0025] Figure 4 This is a schematic diagram showing the mold structure of the slider delayed core pulling, which is installed on the mold.

[0026] Figure 5 This utility model mainly embodies Figure 4 AA section diagram;

[0027] Figure 6 This is a schematic diagram showing the main feature of this utility model: the striking component is in a locked state.

[0028] Figure 7 This utility model is a top view showing the tapping component in a locked state.

[0029] Figure 8 This utility model mainly embodies Figure 7 BB section diagram;

[0030] Figure 9 This is a schematic diagram showing the main feature of this utility model: the striking component is in the open state.

[0031] Figure 10 This utility model is a top view showing the tapping component in the open state.

[0032] Figure 11 The utility model mainly embodies Figure 10 The C-C sectional view in the utility model.

[0033] Reference signs:

[0034] Slider seat 1 Shovel base 2 Oil cylinder link head 3

[0035] Slider unlocking rod 4 Knocking rod 5 Knocking seat 6

[0036] Knocking lock head 7 Oil cylinder 8 Knocking lock block 9

[0037] Oil cylinder support 10 Oil cylinder light induction pull-out switch 11 Limit switch support 12

[0038] Light induction switch contact support 13 Oil cylinder light induction reset switch 14 Mold A plate 15

[0039] Mold B plate 16 Upper ejector pin plate 17 Lower ejector pin plate 18

[0040] Square iron 19 Rear mold bottom plate 20 Inner core-pulling small slider seat 21 DETAILED DESCRIPTION

[0041] The utility model will be described in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that, for those skilled in the art, without departing from the concept of the utility model, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.

[0042] As Figures 1-11 Indicated, according to the utility model provides a kind of slider delayed core-pulling mould structure, including: knocking component and oil cylinder slider component, oil cylinder slider component includes: slider seat 1, oil cylinder 8, oil cylinder 8 is drivenly connected with slider seat 1, slider seat 1 can reciprocate along the axial direction of the piston rod of oil cylinder 8, slider seat 1 and oil cylinder 8 same side is respectively equipped with slider unlocking rod 4, knocking component;Knocking component includes: knocking rod 5, knocking seat 6, knocking lock head 7, knocking lock block 9, knocking lock block 9 and knocking rod 5 are all installed below knocking lock head 7, knocking lock block 9 is transmission connection with knocking rod 5, knocking rod 5 can rotate around its top, knocking seat 6 is set below knocking rod 5;Knocking component includes locking state and open state, when knocking component is in open state, slider unlocking rod 4 is in close contact with knocking lock block 9, and knocking rod 5 is unlocked with knocking seat 6;When knocking component is in locking state, slider unlocking rod 4 does not contact with knocking lock block 9, and knocking rod 5 is locked with knocking seat 6.

[0043] The mold comprises a mold A plate 15 and a mold B plate 16, which are fixed when the percussion assembly is in the locked state, and which can be opened when the percussion assembly is in the open state. The bottom of the slider seat 1 is provided with a spade base 2 which is in sliding fit with the slider seat 1 and can move upward when the slider unlocking rod 4 approaches the percussion lock block 9. A glue position slider product pre-mold hole is formed between the spade base 2 and the mold A plate 15, an inner core small slider seat 21 is arranged in the hole, and the spade base 2 is in transmission connection with the inner core small slider seat 21. An inclined track is formed between the slider seat 1 and the spade base 2, the lower end of the spade base 2 is vertically inserted into the mold, and when the slider seat 1 approaches the oil cylinder 8, the spade base 2 can move vertically upward along the inclined track, thereby driving the inner core small slider seat 21 to move, loosening and pulling away the insert needle in the glue position slider product pre-mold hole, and opening the mold A plate 15 and the mold B plate 16.

[0044] The oil cylinder support 10 is fixedly installed on the mold A plate 15, the middle part of the oil cylinder support 10 is provided with a groove, and the piston rod of the oil cylinder 8 is arranged in the groove and moves along the axial direction of the groove.

[0045] The side of the slider seat 1 away from the slider unlocking rod 4 is provided with a light sensing switch contact support 13, and the oil cylinder light sensing opening switch 11 and the oil cylinder light sensing reset switch 14 are installed on the light sensing switch contact support 13. The oil cylinder light sensing reset switch 14 corresponds to the opening position, and the oil cylinder light sensing opening switch 11 corresponds to the slider closing position. The limit switch support 12 is installed on the oil cylinder support 10, and the limit switch corresponding to the oil cylinder light sensing opening switch 11 and the oil cylinder light sensing reset switch 14 is arranged on the limit switch support 12.

[0046] The slider seat 1 is fixedly installed at the end of the piston rod of the oil cylinder 8 through the oil cylinder link head 3.

[0047] When the injection is finished and the mold is opened, the percussion assembly locks the mold A plate 15 and the mold B plate 16, the piston rod of the oil cylinder 8 is retracted to drive the slider seat 1 to approach the oil cylinder 8, the slider seat 1 drives the spade base 2 to pull the inner core small slider seat 21, the insert needle in the glue position slider product pre-mold hole is loosened and pulled away, the mold A plate 15 and the mold B plate 16 are opened, and the product is inverted and demolded. At the same time, the piston rod of the oil cylinder 8 drives the slider unlocking rod 4 to push away the percussion lock head 7, so that the percussion rod 5 rotates and swings to be separated from the percussion seat 6, at this time, the oil cylinder light sensing opening switch 11 contacts the limit switch support 12, and the oil cylinder 8 is cut off.

[0048] The mold further comprises a rear mold part, which acts on assembly and adaptation of the mold to the injection molding machine production, and the rear mold part comprises an upper pin plate 17, a lower pin plate 18, a square iron 19 and a rear mold bottom plate 20, the rear mold bottom plate 20 is press-fitted and fixed on the injection molding machine, the upper pin plate 17, the lower pin plate 18 and the square iron 19 are all installed on the rear mold bottom plate 20, the upper pin plate 17 and the lower pin plate 18 are installed pin structure injection molding, and after the mold is opened, the product is ejected to realize the function of automatic production, and the square iron 19 is used for supporting the mold B plate 16, and enough space is provided in front of the upper pin plate 17 and the lower pin plate 18 to realize the movement function of ejecting the product forward.

[0049] The present application can more reliably ensure the safety of mold production through mechanical tapping and cylinder 8 cooperation, avoid the insert needle of the glue position sliding block to extract the product from the front mold hole to be bent and damaged due to the easy loosening of the mold A plate 15 and the mold B plate 16 without mechanical tapping in the ordinary mold structure.

[0050] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0051] The specific embodiments of the present application are described above. It should be understood that the present application is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A slider delayed core-pulling mold structure, characterized by, The utility model relates to a kind of mould and its control system, including: Knocking assembly and oil cylinder slider assembly, the oil cylinder slider assembly includes: slider seat (1), oil cylinder (8), the oil cylinder (8) is drivingly connected with slider seat (1), the slider seat (1) can reciprocate along the axial direction of the piston rod of oil cylinder (8), slider seat (1) and the same side of oil cylinder (8) is equipped with slider unlocking rod (4), knocking assembly respectively; The knocking assembly includes: knocking rod (5), knocking seat (6), knocking lock head (7), knocking lock block (9), the knocking lock block (9) and knocking rod (5) are all installed below knocking lock head (7), the knocking lock block (9) is drivingly connected with knocking rod (5), the knocking rod (5) can rotate around its top, the knocking seat (6) is arranged below knocking rod (5); The knocking assembly includes locking state and open state, when the knocking assembly is in open state, the slider unlocking rod (4) is in contact with the knocking lock block (9), the knocking rod (5) is unlocked with the knocking seat (6); When the knocking assembly is in locking state, the slider unlocking rod (4) is not in contact with the knocking lock block (9), the knocking rod (5) is locked with the knocking seat (6).

2. The slide delay core-out mold structure according to claim 1, wherein The mould includes mould A plate (15) and mould B plate (16), when the knocking assembly is in locking state, the mould A plate (15) and mould B plate (16) are fixed, when the knocking assembly is in open state, the mould A plate (15) and mould B plate (16) can be opened.

3. The slide delay core-out mold structure of claim 2, wherein, The bottom of the slider seat (1) is provided with a spade base (2), which is in sliding fit with the slider seat (1), when the slider unlocking rod (4) approaches the knocking lock block (9), the spade base (2) can move upward.

4. The slide delay core-out mold structure according to claim 3, wherein A glue position slider product extraction front mold hole is formed between the spade base (2) and the mould A plate (15), an inner core small slider seat (21) is arranged in the hole, and the spade base (2) is drivingly connected with the inner core small slider seat (21).

5. The slide delay core-out mold structure of claim 2, wherein, The oil cylinder support (10) is tightly installed on the mould A plate (15), a groove is arranged in the middle of the oil cylinder support (10), and the piston rod of the oil cylinder (8) is arranged in the groove and moves along the axial direction of the groove.

6. The slide delay core-out mold structure of claim 5, wherein, A light sensing switch contact support (13) is arranged on the side of the slider seat (1) away from the slider unlocking rod (4), and an oil cylinder light sensing extraction switch (11) and an oil cylinder light sensing reset switch (14) are installed on the light sensing switch contact support (13).

7. The slide delay core-out mold structure of claim 6, wherein A limit switch support (12) is installed on the oil cylinder support (10), and a limit switch corresponding to the oil cylinder light sensing extraction switch (11) and the oil cylinder light sensing reset switch (14) is arranged on the limit switch support (12).

8. The slide delay core-out mold structure of claim 2, wherein, The mold further comprises a back mold part, which comprises an upper pin plate (17), a lower pin plate (18), a square iron (19), and a back mold bottom plate (20), wherein the back mold bottom plate (20) is fixedly pressed on an injection molding machine, the upper pin plate (17), the lower pin plate (18), and the square iron (19) are all installed on the back mold bottom plate (20), the square iron (19) is used for supporting the mold B plate (16), and the upper pin plate (17) and the lower pin plate (18) are used for ejecting products.

9. The slide delay core-out mold structure of claim 1, wherein, The slider seat (1) is fastened and installed at the end of the piston rod of the oil cylinder (8) through an oil cylinder link head (3).

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