Multi-plug split type injection mold

Abstract

The utility model relates to a multi-plug split type injection mold. The multi-plug split type injection mold comprises an upper mold core, a lower mold core, an upper mold base and a lower mold base, movable blocks are arranged on the lower die base and located on the left side and the right side of the lower die core in a sliding mode, and inclined guide columns for pushing the movable blocks towards or away from the lower die core are arranged on the upper die base; two lower injection molding grooves are formed in the upper surface of the lower mold core side by side in the left-right direction, and the opposite ends of the two lower injection molding grooves communicate with the side wall of the lower mold core; the upper mold core is provided with an upper injection molding groove corresponding to the lower injection molding groove, the upper injection molding groove and the lower injection molding groove jointly define an injection molding cavity, the movable block is provided with a plugging piece for plugging the injection molding cavity, and the plugging piece is coaxially provided with an extending part extending into the injection molding cavity; the plugging piece is detachably connected with the movable block; when the mold is opened, the movable block and the blocking piece can be horizontally and synchronously moved away from the injection molding piece through the guiding effect of the inclined guide column, the injection molding piece can be separated in the horizontal direction while vertical mold opening is achieved, and material taking operation of a mechanical arm is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, in particular to a kind of multi-plug split injection mold. BACKGROUND

[0002] Mold is the various moulds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods. In short, mold is a tool for making shaped objects. This tool is composed of various parts, and different molds are composed of different parts. It realizes the processing of the shape of the object mainly through the change of the physical state of the molded material. It is known as the mother of industry.

[0003] In the daily injection molding production and processing process, when some injection molding parts with external threads and inner cavity grooves are injection molded, the traditional mold with only up-down opening and closing mode cannot realize production, and additional horizontal split function is needed to normally and completely demold, therefore, it is necessary to specially design a new mold to meet the daily production needs. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiency of prior art, provide a kind of multi-plug split injection mold, the multi-plug split injection mold can be well solve the above-mentioned problems.

[0005] To achieve the above requirements, the technical scheme adopted by the utility model to solve its technical problems is:

[0006] Provide a kind of multi-plug split injection mold, including the upper die and lower die of opposite arrangement, and the upper die and the lower die are fixed respectively The upper die seat and the lower die seat of the lower die are slidably provided with a movable block on the left and right sides of the lower die, and the upper die seat is provided with an inclined guide column for pushing the movable block towards or away from the lower die;Two lower injection type grooves are provided on the upper surface of the lower die left and right side by side, and the opposite ends of the two injection type grooves are communicated with the side wall of the lower die;Upper injection type groove is provided on the upper die corresponding to the lower injection type groove, and the upper injection type groove and the lower injection type groove jointly enclose to form injection cavity, the movable block is provided with a blocking piece for blocking the injection cavity, and the blocking piece is coaxially provided with an extension part extending into the injection cavity;The blocking piece and the movable block are detachably connected.

[0007] The utility model discloses a kind of multi-plug split injection mold, wherein, two lower injection zones are provided on the upper surface of the lower die along front-back direction, upper injection zone is provided on the upper die corresponding to the lower injection zone, the lower injection type groove is provided on the two lower injection zones, and the upper injection type groove is provided on the two upper injection zones.

[0008] The utility model discloses a plurality of plug half split injection mould, wherein, two lower injection type groove and two upper injection type groove form an injection unit, the injection unit is equipped with a plurality and corresponds to the lower injection area along the evenness of front and back direction.

[0009] The utility model discloses a plurality of plug half split injection mould, wherein, the lower injection type groove is communicated with the lateral wall of lower mould core through lower through groove, the upper injection type groove is communicated with the lateral wall of upper mould core through upper through groove, the upper through groove and lower through groove surround and form taper channel, and the smaller end of taper channel is close to injection cavity, the plugging piece is columnar, and one end is the circular truncated cone shape of adapting with taper channel, and the other end is detachably connected with movable block.

[0010] The utility model discloses a plurality of plug half split injection mould, wherein, the movable block includes the square seat of strip -shaped and along the front and back direction setting and the slide seat of being located in the square seat one side away from injection cavity, the lower mould core and upper mould core all are equipped with the avoiding groove of avoiding square seat, and the slide seat is slidably arranged on the lower mould seat along the left and right direction, and the upper surface of slide seat is recessed and is equipped with the positioning step in one end close to injection cavity, and the one end of square seat away from injection cavity is detachably arranged on positioning step.

[0011] The utility model discloses a plurality of plug half split injection mould, wherein, the lower end of square seat is equipped with the convex part of going down in one side away from injection cavity, and the positioning groove is equipped with in one end corresponding convex part on positioning step, and square seat is locked on positioning step through the bolt of vertical setting.

[0012] The utility model discloses a plurality of plug half split injection mould, wherein, the square seat is equipped with the installation groove on one side wall away from injection cavity, and the installation hole of adapting with plugging piece is through -going equipped with in the inner wall of one side of installation groove away from slide seat, when assembling in place, the one end of plugging piece towards injection cavity passes installation hole and extends into injection cavity.

[0013] The utility model discloses a plurality of plug half split injection mould, wherein, the one end side wall of plugging piece away from injection cavity is equipped with annular convex part, and the circumferential side wall of annular convex part is equipped with platform, when assembling in place, the upper side or lower side inner wall of installation groove is attached with positioning step and is tightly closed.

[0014] The utility model discloses a plurality of plug half split injection mould, wherein, the depth of installation groove is same with the axial length of annular convex part, when assembling in place, square seat tightly closes annular convex part on the longitudinal side wall of positioning step.

[0015] The utility model discloses beneficial effect lies in: when the mould is kept away, the movable block and the plugging piece can be horizontally and synchronously removed from the injection molding piece through the guiding effect of the inclined guide pillar, the upper and lower moulds can be opened at the same time, and the injection molding piece can be separated from the upper injection molding groove and the extension of the forming inner cavity groove in the horizontal direction, so that the material taking operation of the mechanical hand is greatly facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the utility model will be further described below in combination with the drawings and the embodiments, and the drawings in the following description are only part of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor:

[0017] Figure 1 It is the overall structure explosion map of the utility model.

[0018] Figure 2 It is Figure 1 The partial structure enlarged view in

[0019] Figure 3 It is the structure diagram of the square seat of the utility model.

[0020] Figure 4 It is the bottom view of the upper mould seat of the utility model.

[0021] Figure 5 It is the longitudinal sectional view of the utility model.

[0022] Figure 6 It is Figure 5 The partial structure enlarged view in DETAILED DESCRIPTION

[0023] The terms "first", "second", "third", and "fourth" and the like in the description and claims of the present application and the accompanying drawings, are used for distinguishing between similar objects talking about. The terms "comprise", "have" and any variations thereof are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or apparatus that comprises a list of steps or units are not necessarily limited to the listed steps or units, but can optionally further include additional steps or units not expressly listed or can also include additional steps or units inherent to such process, method, product, or apparatus.

[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0025] "Multiple" refers to two or more. "And / or", describing the relationship between the associated objects, means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. The character " / " generally represents that the associated objects before and after are a kind of "or" relationship.

[0026] Furthermore, the terms "upper", "lower", "left", "right", "upper end", "lower end", "vertical", and the like indicating the orientation are all with reference to the attitude position of the device or equipment described in the scheme in normal use.

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the utility model, not all. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] The multi-joint split type injection mold of the preferred embodiment of the utility model, as shown in Figures 1-6 The upper and lower mold cores 10 and 20 are fixed on the upper and lower mold seats 30 and 40 respectively. The movable blocks 50 are slidably arranged on the left and right sides of the lower mold core 20 on the upper surface of the lower mold seat 40. The sliding grooves 60 for the left and right movement of the movable blocks 50 are arranged on the left and right sides of the lower mold core 20 on the upper surface of the lower mold seat 40. The guide rails 70 for guiding the movable blocks 50 are arranged on the front and rear inner walls of the sliding grooves 60. In addition, the inclined guide columns 80 for pushing the movable blocks 50 towards or away from the lower mold core 20 are arranged on the upper mold seat 30. Correspondingly, the guide grooves 90 matched with the inclined guide columns 80 are arranged on the movable blocks. The left and right inclined guide columns 80 are arranged in a spread shape. When the upper mold seat 30 moves up to open or moves down to close, the two movable blocks 50 can be synchronously moved to the left and right sides through the cooperation of the left and right inclined guide columns 80 and the guide grooves 90.

[0029] Further, the upper surface of the lower die 20 is provided with two lower injection molding grooves 21 in parallel on the left and right sides, and the ends of the two lower injection molding grooves 21 away from each other are communicated with the side wall of the lower die 20, and a main runner groove 22 is provided in the front and back direction between the two lower injection molding grooves, and two pairs of runner grooves 23 are provided on the left and right sides of the main runner groove 22, respectively, which are communicated with the two lower injection molding grooves, and the upper die 10 is provided with a glue inlet runner 11 communicated with the main runner groove 22; the upper die 10 is provided with an upper injection molding groove 12 corresponding to the lower injection molding groove 21, and the upper injection molding groove 12 and the lower injection molding groove 21 jointly enclose an injection molding cavity 200; further, the movable block 50 is provided with a blocking piece 100 blocking the end of the side wall of the lower die 20 and the upper die 10 penetrating the injection molding cavity 200, and the blocking piece 100 is coaxially provided with an extension 101 extending into the injection molding cavity 200, for forming an inner cavity groove on the injection molded part; further, the blocking piece 100 is detachably connected with the movable block 50, so as to facilitate replacement and maintenance.

[0030] When the mold is opened, the movable block 50 and the blocking piece 100 can be moved horizontally and synchronously away from the injection molded part by the guiding action of the inclined guide pillar 80, so that the upper and lower molds can be opened at the same time, and the injection molded part can be separated from the upper injection molding groove 12 and the extension 101 of the formed inner cavity groove in the horizontal direction, greatly facilitating the material taking operation of the mechanical hand.

[0031] In the embodiment, the upper surface of the lower die 20 is provided with two lower injection molding areas 201 in the front and back direction, and the upper die 10 is provided with upper injection molding areas 102 corresponding to the lower injection molding areas 201, and the upper injection molding areas 102 and the lower injection molding areas 201 are coincident after the mold is closed; the two lower injection molding areas 201 are each provided with a lower injection molding groove 21, and the two upper injection molding areas 102 are each provided with an upper injection molding groove 12, further, the upper and lower opposite two lower injection molding grooves 21 and the two upper injection molding grooves 12 form an injection molding unit, and the injection molding unit is provided with a plurality of injection molding units corresponding to the lower injection molding areas 201 in the front and back direction, that is, the two lower injection molding areas 201 are each provided with a plurality of lower injection molding grooves 21 in the front and back direction, and the two upper injection molding areas 102 are each provided with a plurality of upper injection molding grooves 12 in the front and back direction, correspondingly, the blocking piece 100 is also provided with a plurality of blocking pieces corresponding to the plurality of injection molding units distributed in the front and back direction, and after the mold is closed, a plurality of upper injection molding grooves 12 and lower injection molding grooves 21 opposite to each other enclose a plurality of injection molding cavities 200 arranged in the front and back direction, thereby playing a role in increasing the number of single injection molding workpieces and ensuring production efficiency.

[0032] In the embodiment, the lower injection molding groove 21 is communicated with the side wall of the lower mold core 20 through the lower through groove 110, the upper injection molding groove 12 is communicated with the side wall of the upper mold core 10 through the upper through groove 120, the upper through groove 120 and the lower through groove 110 form a tapered channel 140, the smaller end of the tapered channel 140 is close to the injection molding cavity 200, the plugging piece 100 is in the shape of a column and one end thereof is in the shape of a circular truncated cone which is matched with the tapered channel 140, and the other end of the plugging piece 100 is detachably connected with the movable block 50, thereby facilitating replacement and disassembly.

[0033] In the embodiment, the movable block 50 includes a square seat 51 in the shape of a long strip and arranged along the front-rear direction, and a sliding seat 52 arranged on the side of the square seat 51 away from the injection molding cavity 200, that is, the square seat 51 is in the shape of a cuboid, the lower mold core 20 and the upper mold core 10 are each provided with an avoiding groove 150 which avoids the square seat 51, so as to press and fix the square seat 51 in the avoiding groove 150 after the mold is closed, thereby playing a role of auxiliary sealing of the injection molding cavity 200, wherein the sliding seat 52 is slidingly arranged on the lower mold base 40 along the left-right direction, and the upper surface of the sliding seat 52 is recessed and provided with a positioning step 521 at the end close to the injection molding cavity 200, and the end of the square seat 51 away from the injection molding cavity 200 is detachably arranged on the positioning step 521, further, the lower end of the square seat 51 away from the injection molding cavity 200 is provided with a downward protruding part 511, the positioning step 521 is provided with a positioning groove 522 corresponding to the protruding part 511, and the square seat 51 is locked on the positioning step 521 through the vertically arranged bolt 160, and through the cooperation of the protruding part 511, the positioning groove 522 and the bolt 160, the stability of the square seat 51 can be ensured while facilitating disassembly and assembly.

[0034] In the embodiment, the side wall of the square seat 51 away from the injection molding cavity 200 is provided with a mounting groove 510, the mounting groove 510 is in the shape of a long strip along the front-rear direction, the inner wall of the side of the mounting groove 510 away from the sliding seat 52 is provided with a mounting hole 5101 penetrating through the left-right direction, the mounting hole 5101 is matched with the plugging piece 100, when assembled in place, the outer side wall of the plugging piece 100 is tightly combined with the inner wall of the mounting hole 5101, the end of the plugging piece 100 towards the injection molding cavity 200 penetrates out of the mounting hole 5101 and extends into the injection molding cavity 200, thereby forming an inner cavity groove on the injection molded part after injection molding.

[0035] In the embodiment, the annular protruding part 10a is arranged on the end side wall of the plugging member 100 away from the injection molding cavity 200, the circumferential side wall of the annular protruding part 10a is provided with the platform 10b, when assembled in place, the platform 10b is tightly attached to the upper side or the lower side inner wall of the mounting groove 510, further, the depth of the mounting groove 510 is the same as the axial length of the annular protruding part 10a, when assembled in place, the square seat 51 tightly attaches the annular protruding part 10a on the longitudinal side wall of the positioning step 521, through the cooperation of the annular protruding part 10a and the platform 10b, the axial and circumferential movement of the plugging member 100 can be effectively prevented, and the stability of the sealing is ensured.

[0036] It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

Claims

1. A multi-end split injection mold, characterized in that, The device includes an upper mold core and a lower mold core arranged opposite each other, and an upper mold base and a lower mold base respectively fixing the upper mold core and the lower mold core; the lower mold base has movable blocks slidably arranged on both the left and right sides of the lower mold core, and the upper mold base has inclined guide posts that push the movable blocks toward or away from the lower mold core; the upper surface of the lower mold core has two lower injection molding grooves arranged side by side, and the opposite ends of the two lower injection molding grooves are connected to the side wall of the lower mold core; the upper mold core has an upper injection molding groove corresponding to the lower injection molding grooves, and the upper injection molding groove and the lower injection molding groove together form an injection molding cavity; the movable blocks have a sealing member that seals the injection molding cavity, and the sealing member has an extension portion coaxially arranged into the injection molding cavity; the sealing member is detachably connected to the movable block.

2. The multi-end split injection mold according to claim 1, characterized in that, The upper surface of the lower mold core is provided with two lower injection areas along the front-to-back direction, and the upper mold core is provided with an upper injection area corresponding to the lower injection areas. Both lower injection areas are provided with lower injection grooves, and both upper injection areas are provided with upper injection grooves.

3. The multi-end split injection mold according to claim 2, characterized in that, The two lower injection molding grooves and the two upper injection molding grooves form an injection molding unit. The injection molding unit has multiple grooves and the corresponding lower injection molding areas are uniformly distributed along the front-back direction.

4. The multi-end split injection mold according to any one of claims 1-3, characterized in that, The lower injection molding groove is connected to the side wall of the lower mold core through the lower through groove, and the upper injection molding groove is connected to the side wall of the upper mold core through the upper through groove. The upper through groove and the lower through groove together form a conical channel, and the smaller end of the conical channel is close to the injection cavity. The sealing member is columnar, with one end forming a frustum shape that matches the conical channel, and the other end being detachably connected to the movable block.

5. The multi-end split injection mold according to claim 4, characterized in that, The movable block includes a rectangular seat that is elongated and arranged in the front-to-back direction, and a slide seat located on the side of the rectangular seat away from the injection cavity; both the lower mold core and the upper mold core are provided with clearance grooves to avoid the rectangular seat; the slide seat is slidably disposed on the lower mold core in the left-to-right direction; the upper surface of the slide seat is recessed at the end near the injection cavity with a positioning step; the end of the rectangular seat away from the injection cavity is detachably disposed on the positioning step.

6. The multi-end split injection mold according to claim 5, characterized in that, The lower end of the square seat has a downward protrusion on the side away from the injection molding cavity, and the positioning step has a positioning groove corresponding to the protrusion. The square seat is locked onto the positioning step by a vertically arranged bolt.

7. The multi-end split injection mold according to claim 5, characterized in that, The square seat has a mounting groove on the side wall opposite to the injection molding cavity, and a mounting hole adapted to the sealing member is provided through the inner wall of the mounting groove opposite to the slide. When assembled, the end of the sealing member facing the injection molding cavity passes through the mounting hole and extends into the injection molding cavity.

8. The multi-end split injection mold according to claim 7, characterized in that, The sealing component has an annular protrusion on one side wall away from the injection molding cavity, and a platform is provided on the peripheral side wall of the annular protrusion. When assembled, the platform fits tightly against the upper or lower inner wall of the mounting groove.

9. The multi-end split injection mold according to claim 8, characterized in that, The depth of the mounting groove is the same as the axial length of the annular protrusion. When assembled, the square seat presses the annular protrusion against the longitudinal side wall of the positioning step.

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