Saddle-shaped bypass injection mold structure

Abstract

The saddle-shaped bypass injection mold structure comprises a movable mold and a fixed mold, the movable mold comprises a lower mold frame, a first inclined guide plate, a second inclined guide plate, a core fixing plate and a branch opening core, the branch opening core is fixed on the core fixing plate, the lower mold frame is arranged above the core fixing plate, and the first inclined guide plate and the second inclined guide plate are arranged on the lower mold frame. A first inclined guide plate is arranged on one side of the lower mold frame, a second inclined guide plate is arranged on the other side of the lower mold frame, the fixed mold comprises an upper mold frame, a large sliding seat, a main threaded core, a small sliding seat and a small core, the main threaded core is fixedly connected with the large sliding seat, the large sliding seat is slidably connected with the upper mold frame through a sliding groove, the large sliding seat is slidably connected with the first inclined guide plate through a sliding column, and the small core is fixedly connected with the lower mold frame. The small core is fixedly connected with a small sliding seat, the small sliding seat is connected with the upper die frame in a sliding mode through a sliding groove, and the small sliding seat is connected with the second inclined guide plate in a sliding mode through a sliding column. The inclined guide plate is adopted to drive the sliding seat to pull the core, the disassembly and assembly are convenient, and the production period is shortened; the mold is simple in structure, and the manufacturing cost of the mold is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a saddle bypass injection mold structure. BACKGROUND

[0002] At present, along with the increase of demand, the products of saddle bypass type are more and more, and the structure of mould can directly affect production efficiency, the existing mould structure is not simple, and it is inconvenient to disassemble, and the oil cylinder is used to core pulling, it is time-consuming, and the efficiency is not high, therefore, the mould structure is more simple, and the oil cylinder is removed, to shorten the whole forming cycle, to reduce the unit price of single product. UTILITY MODEL CONTENTS

[0003] In view of the above problems, the utility model aims at providing a saddle bypass injection mold structure to solve the problems of complex saddle bypass product mold structure and time-consuming oil cylinder core pulling.

[0004] The technical problem solved by the utility model can be realized by the following technical scheme: a saddle bypass injection mold structure, comprising a movable die and a fixed die, the movable die comprises a lower die frame, a first inclined guide plate, a second inclined guide plate, a core fixing plate and a branch core, the branch core is fixed on the core fixing plate, a lower die frame is arranged above the core fixing plate, a first inclined guide plate is arranged on one side of the lower die frame, and a second inclined guide plate is arranged on the other side, the fixed die comprises an upper die frame, a large slide, a main threaded core, a small slide and a small core, the main threaded core is fixedly connected with the large slide, the large slide is slidably connected with the upper die frame through a sliding groove, the small core is fixedly connected with the small slide, and the small slide is slidably connected with the upper die frame through a sliding groove.

[0005] An upper threaded insert is arranged on the upper die frame, a lower threaded insert is arranged on the lower die frame, the upper threaded insert and the lower threaded insert are arranged symmetrically, and the upper threaded insert and the lower threaded insert are respectively located on the upper side and the lower side of the small core.

[0006] The end of the main threaded core is provided with a positioning hole and a four-corner positioning column, the large slide is provided with a positioning pin and a four-corner positioning groove, the four-corner positioning column is inserted into the four-corner positioning hole, and the positioning pin is inserted into the positioning hole.

[0007] The outer side of the branch core is provided with a branch core outer sleeve, and the lower end of the branch core outer sleeve is fixed on the core fixing plate.

[0008] The fixed die further comprises a cushion block and a hot nozzle, the cushion block is fixed below the upper cross plate, the hot nozzle penetrates through the upper cross plate, the cushion block and the upper die frame and is communicated with the cavity.

[0009] The first inclined guide plate is provided with a first guide groove, the side surface of the large sliding seat is provided with a first sliding column, the outer end of the first sliding column is arranged in the first guide groove, and the first sliding column can slide in the first guide groove.

[0010] The side surface of the lower mold frame is provided with a protection column, and the side surface of the cushion block is provided with a protection column.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The utility model discloses a inclined guide plate drive sliding seat core-pulling, convenient to disassemble and assemble, compared with using oil cylinder core-pulling shortens production cycle;2. The mold structure is simple, and the manufacturing cost of the mold is reduced;3. The port of the product adopts a threaded block, and the threaded block facilitates machining and installation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a structural schematic view of the product;

[0015] In the drawing: 1, hot nozzle;2, first inclined guide plate;3, product;4, large sliding seat;5, main threaded core;6, four corner positioning columns;7, positioning hole;8, protection column;9, branch port core;10, branch port core sleeve;11, second inclined guide plate;12, small sliding seat;13, small core;14, threaded insert;15, upper counter plate;16, cushion block;17, lower counter plate;18, core fixing plate;19, upper mold frame;20, lower mold frame. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative characteristics, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0017] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms ''one end'', ''the other end'', ''outer side'', ''upper'', ''inner side'', ''horizontal'', ''coaxial'', ''central'', ''end'', ''length'', ''outer end'' and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0018] In combination with the drawings Figs. 1-2As shown, the embodiment discloses a saddle-shaped by-pass injection mold structure, which comprises a movable mold and a fixed mold. The movable mold comprises a lower cross plate 17, a lower mold frame 20, a first inclined guide plate 2, a second inclined guide plate 11, a core fixing plate 18 and a branch core 9, the outer side of the branch core 9 is provided with a branch core outer sleeve 10, the lower end of the branch core 9 and the lower end of the branch core outer sleeve 10 are fixed on the core fixing plate 18, the core fixing plate 18 is fixed above the lower cross plate 17, a lower mold frame 19 is arranged above the core fixing plate 18, one side of the lower mold frame 19 is provided with a pair of first inclined guide plates 2, and the other side is provided with a pair of second inclined guide plates 11.

[0019] The fixed mold comprises an upper cross plate 15, an upper mold frame 19, a cushion block 16, a large slide 4, a main threaded core 5, a small slide 12, a small core 13 and a hot nozzle 1, the main threaded core 5 is fixedly connected with the large slide 4, the large slide 4 is slidably connected with the upper mold frame 19 through a sliding groove on the lower mold frame 20, the large slide 4 is slidably connected with the first inclined guide plate 2 through a sliding column, the small core 13 is fixedly connected with the small slide 12, the small slide 12 is slidably connected with the upper mold frame 19 through a sliding groove on the upper mold frame 19, and the small slide 12 is slidably connected with the second inclined guide plate 11 through a sliding column.

[0020] An upper threaded insert is arranged on the upper mold frame 19, a lower threaded insert is arranged on the lower mold frame 20, the upper threaded insert and the lower threaded insert are symmetrically arranged, and the upper threaded insert and the lower threaded insert are respectively located on the upper and lower sides of the small core 13. When the mold is closed, the upper end of the branch core 9 is in contact with the main threaded core 5, the main threaded core 5 is in contact with the small core 13, and the upper threaded insert, the lower threaded insert and the small core 13 are in contact.

[0021] The end of the main threaded core 5 is provided with a positioning hole 7 and a four-corner positioning column 6, a positioning pin and a four-corner positioning groove are correspondingly arranged on the large slide 4, the four-corner positioning column 6 is inserted into the four-corner positioning hole, and the positioning pin is inserted into the positioning hole 7, so that the main threaded core 5 cannot be installed in the wrong direction.

[0022] The cushion block 16 is fixed below the upper cross plate 15, and there are three cushion blocks 16, the hot nozzle 1 penetrates through the upper cross plate 15, the cushion block 16 and the upper mold frame 19 and is connected with a cavity. The upper mold frame 19, the lower mold frame 20, the main threaded core 5, the threaded insert 14, the small core 13 and the large slide 4 form a cavity.

[0023] The first inclined guide plate 2 is provided with a first guide groove, the side surface of the large slide block 4 is provided with a first slide column, the outer end of the first slide column is arranged in the first guide groove, the first slide column can slide in the first guide groove, the second inclined guide plate 11 is provided with a second guide groove, the side surface of the small slide block 12 is provided with a second slide column, the outer end of the second slide column is arranged in the second guide groove, and the second slide column can slide in the second guide groove. When the mold is opened, the first inclined guide plate 2 drives the large slide block 4 to slide outwards, and the second inclined guide plate 11 drives the small slide block 12 to slide outwards.

[0024] The side surface of the lower mold frame 20 is provided with a protection column 8, and the side surface of the cushion block 16 is provided with the protection column 8, so that the mold is protected when the mold is placed.

[0025] After the mold is completed, the movable mold and the fixed mold are separated, the upper and lower threaded inserts are separated from the product, the large slide block 4 moves outwards under the action of the first guide plate 2, the main threaded core 5 is gradually pulled out from one end of the product 3, meanwhile, the small slide block 12 moves outwards under the action of the second guide plate 11, the small core 13 is pulled out from one end of the product 3, and the supporting opening of the lower part of the product 3 is separated from the supporting opening core 9; after the movable mold and the fixed mold are separated by a certain distance, the movable mold and the fixed mold stop moving, the product 3 is on the fixed mold side, the product 3 is taken out from the mold by hand. Then, the threads are processed through other equipment, and the production of the saddle-shaped bypass product is completed. Then, the mold is closed again for injection molding to continue the next cycle.

[0026] The above is only a preferred embodiment of the present application, and does not limit the application in any form, and any simple modification, equivalent change or modification made according to the technical principle of the present application to the above embodiment still belongs to the scope of the technical scheme of the present application.

Claims

1. A saddle-shaped bypass injection mold structure, comprising a moving mold and a fixed mold, characterized in that: The moving mold includes a lower mold frame (20), a first inclined guide plate (2), a second inclined guide plate (11), a core fixing plate (18), and a support core (9). The support core (9) is fixed on the core fixing plate (18). The lower mold frame (20) is provided above the core fixing plate (18). The first inclined guide plate (2) is provided on one side of the lower mold frame (20), and the second inclined guide plate (11) is provided on the other side. The fixed mold includes an upper mold frame (19), a large slide block (4), a main thread core (5), a small slide block (12), and a small core (13). The main thread core (5) is fixedly connected to the large slide block (4). The large slide block (4) is slidably connected to the upper mold frame (19) through a sliding groove. The small core (13) is fixedly connected to the small slide block (12). The small slide block (12) is slidably connected to the upper mold frame (19) through a sliding groove.

2. The saddle-shaped bypass injection mold structure according to claim 1, characterized in that: The upper mold frame (19) is provided with an upper threaded insert, and the lower mold frame (20) is provided with a lower threaded insert. The upper threaded insert and the lower threaded insert are symmetrically arranged and are located on the upper and lower sides of the small core (13), respectively.

3. The saddle-shaped bypass injection mold structure according to claim 1, characterized in that: The end of the main thread core (5) is provided with a positioning hole (7) and a four-corner positioning post (6). The large slide (4) is provided with a positioning pin and a four-corner positioning groove. The four-corner positioning post (6) is inserted into the four-corner positioning hole, and the positioning pin is inserted into the positioning hole (7).

4. The saddle-shaped bypass injection mold structure according to claim 1, characterized in that: The outer side of the support core (9) is provided with a support core sleeve (10), and the lower end of the support core sleeve (10) is fixed on the core fixing plate (18).

5. The saddle-shaped bypass injection mold structure according to claim 1, characterized in that: The core fixing plate (18) is fixed above the lower cover plate (17).

6. The saddle-shaped bypass injection mold structure according to claim 1, characterized in that: The fixed mold also includes a pad (16) and a hot nozzle (1). The pad (16) is fixed below the upper cover plate (15), and the hot nozzle (1) passes through the upper cover plate (15), the pad (16), and the upper mold frame (19) and is connected to the cavity.

7. The saddle-shaped bypass injection mold structure according to claim 1, characterized in that: The first inclined guide plate (2) is provided with a first guide groove, the side of the large slide block (4) is provided with a first slide post, the outer end of the first slide post is provided in the first guide groove, and the first slide post can slide in the first guide groove. The second inclined guide plate (11) is provided with a second guide groove, the side of the small slide block (12) is provided with a second slide post, the outer end of the second slide post is provided in the second guide groove, and the second slide post can slide in the second guide groove.

8. The saddle-shaped bypass injection mold structure according to claim 1, characterized in that: The lower mold frame (20) is provided with protective posts (8) on its side, and the pad block (16) is provided with protective posts (8) on its side.

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