CN216658754U - Injection mold for producing lifting electric cylinder transmission seat for automobile - Google Patents

Abstract

The utility model relates to an injection mold for producing a lifting electric cylinder transmission seat for an automobile, which comprises an upper mold, a lower mold and mold feet, wherein the lower mold is installed on the lower end surface of the upper mold, the mold feet are vertically installed on the left end and the right end of the lower end surface of the lower mold, a lower bottom plate is installed on the lower end of each mold foot, a top plate which moves up and down is installed in the middle of the upper end surface of the lower bottom plate, core pulling slide blocks are symmetrically installed in the upper mold in a left-right mode, inclined guide pillars with the upper ends inclined towards the middle of the upper mold are installed on each core pulling slide block, a lower mold core with the upper side attached to the lower side of each core pulling slide block is installed in the lower mold, two mold cavity grooves are arranged in parallel in the front and at the back of the upper end surface of the lower mold core, an external thread insert penetrating through the lower mold core is arranged in each mold cavity groove, and an ejector rod with the upper end abutting against the external thread insert is installed on the top plate. The utility model has the characteristics of ensuring the forming of the internal thread, ensuring the product quality, reducing the production cost of the product, improving the production efficiency and the like.

Description

Injection mold for producing lifting electric cylinder transmission seat for automobile

Technical Field

The utility model relates to the technical field of lifting electric cylinder transmission seats, in particular to an injection mold for producing a lifting electric cylinder transmission seat for an automobile.

Background

Automobile lift electric cylinder mainly is used for opening the electronic back tail-gate of car, and the driving seat of lift electric cylinder is through the matching with the motor spindle external screw thread, makes the driving seat carry out axial displacement, when the driving seat production, selects injection mold usually, and conventional injection mold can't carry out the shaping to the inside internal thread of driving seat, in order to solve this problem, needs design a new injection mold.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an injection mold for producing a lifting electric cylinder transmission seat for an automobile, which has the characteristics of ensuring internal thread forming, ensuring product quality, reducing product production cost, improving production efficiency and the like.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an injection mold for producing lift electric cylinder transmission seat for car, includes last mould, lower mould and mould foot, last mould under install the lower mould on the terminal surface, the lower mould under the terminal surface about the end on vertically install the mould foot, mould foot lower extreme on install the bottom plate, the up end mid-mounting of bottom plate have the roof that reciprocates, last mould in bilateral symmetry install the slider of loosing core, the slider of loosing core on all install the oblique guide pillar of upper end up mould middle part slope, the lower mould in install the lower mould core of upside and the laminating of slider downside of loosing core, lower mould core up end around be provided with two die cavity grooves side by side, the die cavity inslot in be provided with the external screw thread mold insert that runs through lower mold core, the roof on install the ejector pin that upper end and external screw thread mold insert pushed up mutually.

Among this technical scheme, two sliders of loosing core that remove about through setting up for transmission seat upper portion can the shaping, through setting up the die cavity groove, is used for guaranteeing the structure of transmission seat lower part, through set up the external screw thread mold insert in the die cavity groove, is used for guaranteeing that the inside internal thread of transmission seat can the shaping, through setting up the ejector pin, makes things convenient for the mould directly ejecting with the product, makes the product demolish behind the external screw thread mold insert, just can detect the assembly, need not to carry out extra female thread processing, greatly reduced manufacturing cost.

When the mold is used for producing, the mold is firstly installed on a mold closing machine, the upper mold and the lower mold of the mold are opened and closed through the mold closing machine, after mold closing, melted plastic materials are injected, the plastic materials fill the mold cavity between the upper mold and the lower mold, cooling is waited later, mold opening is carried out after product forming, the upper mold is released, under the action of the inclined guide pillar, two core pulling sliding blocks perform demolding on the upper portion of the transmission seat, a top plate is pushed, an ejector rod pushes an external thread insert, the transmission seat is pushed by the external thread insert, new external thread insert is placed in a mold cavity to perform next mold closing production, during production, a worker can manually rotate the external thread insert, the external thread insert is taken down from the product, and the external thread insert can be reused when the next mold closing is carried out.

As a supplement to the technical scheme, the opposite side of the core-pulling slide block is provided with a forming gap corresponding to the upper part of the mold cavity groove, and the forming gap is butted to form a forming cavity with a threaded inner side wall.

Among this technical scheme, be used for guaranteeing the external screw thread on product upper portion through setting up the shaping breach and can form, the external screw thread mainly is used for docking with flexible main shaft, simultaneously through the slider of loosing core for when the product drawing of patterns, the external screw thread can not take place to interfere with shaping structure, simplifies the processing step, reduction in production cost, improvement productivity effect.

As a supplement to the technical scheme, the middle parts of the left end and the right end of the upper end face of the lower die are provided with sliding grooves, and the front side and the rear side of the core-pulling sliding block are provided with limiting bulges matched with the sliding grooves.

Through setting up spout and spacing arch for the slider of loosing core can carry out horizontal migration on the lower mould, and when avoiding going up the mould and opening simultaneously, the slider of loosing core can be taken out because of the cladding power, avoids appearing the condition of the slider motion skew of loosing core, improves product quality.

As a supplement to the technical scheme, the upper end face of the upper mold is provided with an upper end panel, the middle of the upper end panel is provided with an injection port panel, the middle of the butt joint end of the two core-pulling sliders is provided with an inflow port, the middle of the upper end face of the lower mold core is provided with a main runner in butt joint with the inflow port, and the main runner is communicated with the two mold cavity grooves.

Among this technical scheme, through setting up the injection port panel, make things convenient for the plastics material to pour into, simultaneously through setting up the sprue for make the plastics material fill in two die cavities, ensure the product shaping.

As a supplement to the technical scheme, the middle part of the upper end surface of the top plate is provided with a thimble of which the upper end corresponds to the middle part of the main runner.

The ejector pins are arranged to enable the material handles on the main runner and the inflow port to be taken out, and normal operation of next mold closing is guaranteed.

As a supplement to the technical scheme, the upper end surface of the top plate is provided with four vertical elastic columns.

Through setting up four vertical elastic columns among this technical scheme, ensure that the roof resets after accomplishing ejecting action.

As a supplement to the technical scheme, a circle of weight-reducing slot pin columns are arranged on the bottom surface of the die cavity groove.

Through setting up subtract heavy groove latch post for the lightening hole on the terminal surface under the shaping product makes the whole weight of product descend when guaranteeing product structural strength, has also reduced manufacturing cost simultaneously.

Has the advantages that: the utility model relates to an injection mold for producing a lifting electric cylinder transmission seat for an automobile, which is characterized in that the upper part of the transmission seat is molded by arranging two core-pulling sliding blocks which move left and right, the structure of the lower part of the transmission seat is ensured by arranging a mold cavity groove, an internal thread inside the transmission seat is ensured to be molded by arranging an external thread insert in the mold cavity groove, and a product is conveniently ejected out by the mold directly by arranging an ejector rod, so that the detection and assembly can be carried out after the external thread insert is removed from the product, no additional internal thread processing is needed, the production cost is greatly reduced, and the injection mold has the characteristics of ensuring the molding of the internal thread, ensuring the product quality, reducing the production cost of the product, improving the production efficiency and the like.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a structural view of the core back slide of the present invention;

FIG. 3 is a top view of a lower die core according to the present invention;

FIG. 4 is a structural view of the carrier rod according to the present invention;

fig. 5 is a view of the structure at the externally threaded insert of the present invention.

The figure is as follows: 1. the mold comprises an upper end panel, 2, an upper mold, 3, a lower mold, 4, an injection port panel, 5, mold feet, 6, a lower bottom plate, 7, a top plate, 8, an elastic column, 9, a core pulling slide block, 10, an inclined guide column, 11, an inflow port, 12, a sliding chute, 13, a lower mold core, 14, a main flow passage, 15, an ejector rod, 16, an ejector pin, 17, an external thread insert, 18, a mold cavity groove, 19 and a weight reducing groove insert pin column.

Detailed Description

The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

The embodiment of the utility model relates to an injection mold for producing a lifting electric cylinder transmission seat for an automobile, which comprises an upper mold 2, a lower mold 3 and mold feet 5, wherein the lower end surface of the upper mold 2 is provided with the lower mold 3, the left end and the right end of the lower end surface of the lower mold 3 are vertically provided with the mold feet 5, the lower end of the mold feet 5 is provided with a lower bottom plate 6, the middle part of the upper end surface of the lower bottom plate 6 is provided with a top plate 7 which can move up and down, core-pulling sliders 9 are symmetrically arranged in the upper mold 2 from left to right, the core-pulling sliders 9 are respectively provided with an inclined guide post 10 the upper end of which inclines towards the middle part of the upper mold 2, the lower mold 3 is internally provided with a lower mold core 13 the upper side of which is jointed with the lower side of the core-pulling slider 9, the upper end surface of the lower mold core 13 is provided with two mold cavity grooves 18 from front to back side by side, and an external thread 17 penetrating through the lower mold core 13 is arranged in the mold cavity grooves 18, and the top plate 7 is provided with a mandril 15 with the upper end thereof abutting against the external thread insert 17.

Among this technical scheme, two slider 9 of loosing core that remove about through setting up for transmission seat upper portion can be moulded, through setting up die cavity groove 18, be used for guaranteeing the structure of transmission seat lower part, through set up external screw thread mold insert 17 in die cavity groove 18, be used for guaranteeing that the inside internal thread of transmission seat can be moulded, through setting up ejector pin 15, make things convenient for the mould directly ejecting with the product, make the product demolish behind external screw thread mold insert 17, just can detect the assembly, need not to carry out extra internal thread processing, greatly reduced manufacturing cost.

As a supplement to the technical solution, a forming gap corresponding to the upper portion of the mold cavity groove 18 is disposed on the opposite side of the core-pulling slider 9, and a forming cavity with a threaded inner side wall is formed after the forming gap is butted.

Among this technical scheme, be used for guaranteeing the external screw thread on product upper portion through setting up the shaping breach and can form, the external screw thread mainly is used for docking with flexible main shaft, simultaneously through the slider 9 of loosing core for when the product drawing of patterns, the external screw thread can not take place to interfere with shaping structure, simplifies processing steps, reduction in production cost, improvement productivity effect.

As a supplement to the technical scheme, the middle parts of the left end and the right end of the upper end face of the lower die 3 are provided with sliding grooves 12, and the front side and the rear side of the core-pulling sliding block 9 are provided with limiting bulges matched with the sliding grooves 12.

Through setting up spout 12 and spacing arch for the slider 9 of loosing core can carry out horizontal migration on lower mould 3, when avoiding going up mould 2 and opening simultaneously, the slider 9 of loosing core can be taken out because of the cladding force, avoids appearing the condition of the slider 9 motion skew of loosing core, improves product quality.

As a supplement to the technical solution, the upper end face of the upper mold 2 is provided with an upper end panel 1, the middle of the upper end panel 1 is provided with an injection port panel 4, the middle of the butt joint end of the two core-pulling sliders 9 is provided with an inflow port 11, the middle of the upper end face of the lower mold core 13 is provided with a main runner 14 in butt joint with the inflow port 11, and the main runner 14 is communicated with the two mold cavity grooves 18.

In this technical scheme, through setting up injection inlet panel 4, make things convenient for the plastics material to pour into, simultaneously through setting up sprue 14, be used for making the plastics material fill in two die cavities, ensure the product shaping.

As a supplement to the present technical solution, the top plate 7 is provided with a thimble 16 at the middle of the upper end surface, the upper end of which corresponds to the middle of the main runner 14.

The ejector pins 16 are arranged to take out the main runner 14 and the material handles on the inlet 11, so as to ensure the normal operation of the next mold clamping.

As a supplement to the technical scheme, four vertical elastic columns 8 are arranged on the upper end surface of the top plate 7.

Through setting up four vertical elastic columns 8 among this technical scheme, guarantee that roof 7 carries out the restoration after accomplishing ejecting action.

As a complement to this solution, a ring of weight-reducing slot pins 19 is arranged on the bottom surface of the cavity groove 18.

Through setting up lightening groove latch post 19 for the lightening hole on the shaping product lower extreme face makes the whole weight of product descend when guaranteeing product structural strength, has also reduced manufacturing cost simultaneously.

When the transmission seat was originally produced, injection mold only was responsible for the shaping of appearance structure, need carry out the thread processing through lathe subassembly to inside screw thread and tip external screw thread after the product shaping, this can greatly increased processing cost.

Examples

When the technical scheme is used for die assembly production, before a die closing machine closes a die, two external thread inserts 17 are installed in a die cavity groove 18, then the steps of die assembly, injection, molding, cooling and the like are carried out, so that a product can be molded, after the die assembly is completed, a die is opened, a workpiece is taken out, an upper die 2 and a lower die 3 are separated, under the driving of the die closing machine, an inclined guide pillar 10 is moved upwards, the inclined guide pillar 10 is moved upwards to push two core-pulling sliders 9 to move towards the left side and the right side, so that the two core-pulling sliders 9 and the upper part of the product are demolded, after the demolding is completed, an ejection oil cylinder is started, the ejection oil cylinder pushes a top plate 7, the top plate 7 pushes ejector rods 15 and ejector pins 16, the ejector rods 15 and the ejector pins 16 eject the product and a material handle from the die cavity groove 18, after a worker takes out the product, the top plate 7 is reset under the action of the elastic pillars 8, then a new external thread insert 17 is replaced, so that the die is produced next time, in the second production process, the worker can rotate the external thread insert 17, so that the external thread insert 17 is taken down from the product, and the external thread insert 17 is applied to the third mold closing production.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The foregoing detailed description is directed to an injection mold for producing a lift cylinder transmission seat for an automobile, and the principles and embodiments of the present application are explained by using specific examples, which are only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (7)

1. The utility model provides an injection mold for producing lift electric cylinder transmission seat for car, includes last mould (2), lower mould (3) and mould foot (5), last mould (2) under install on the terminal surface lower mould (3), lower mould (3) under the terminal surface about serve vertically and install mould foot (5), mould foot (5) under install on the end bottom plate (6), the up end mid-mounting of lower plate (6) have roof (7) that reciprocate, its characterized in that: go up mould (2) in bilateral symmetry install slider (9) of loosing core, slider (9) of loosing core on all install upper end towards last mould (2) middle part inclined guide pillar (10), lower mould (3) in install lower mold core (13) of upside and slider (9) downside laminating of loosing core, lower mold core (13) up end before and after be provided with two die cavity grooves (18) side by side, die cavity groove (18) in be provided with external screw thread mold insert (17) that run through lower mold core (13), roof (7) on install ejector pin (15) that upper end and external screw thread mold insert (17) pushed up mutually.

2. The injection mold for producing the lifting electric cylinder transmission seat for the automobile according to claim 1, characterized in that: and a forming notch corresponding to the upper part of the die cavity groove (18) is arranged on the opposite side of the core-pulling slide block (9), and the forming notch is butted to form a forming cavity with a threaded inner side wall.

3. The injection mold for producing the lifting electric cylinder transmission seat for the automobile according to claim 1, characterized in that: the middle parts of the left end and the right end of the upper end face of the lower die (3) are provided with sliding grooves (12), and limiting bulges matched with the sliding grooves (12) are arranged on the front side and the rear side of the core-pulling sliding block (9).

4. The injection mold for producing the lifting electric cylinder transmission seat for the automobile according to claim 1, characterized in that: last mould (2) up end on install top panel (1), top panel (1) mid-mounting have injection inlet panel (4), two sliders of loosing core (9) butt joint end middle parts are provided with inflow entrance (11), the top end middle part of lower mold core (13) be provided with sprue (14) with inflow entrance (11) butt joint, sprue (14) and two mold cavity grooves (18) intercommunication.

5. The injection mold for producing the lifting electric cylinder transmission seat for the automobile according to claim 4, characterized in that: and a thimble (16) with the upper end corresponding to the middle of the main flow channel (14) is arranged in the middle of the upper end surface of the top plate (7).

6. The injection mold for producing the lifting electric cylinder transmission seat for the automobile according to claim 1, characterized in that: the upper end surface of the top plate (7) is provided with four vertical elastic columns (8).

7. The injection mold for producing the lifting electric cylinder transmission seat for the automobile according to claim 1, characterized in that: and a circle of weight-reducing slot plug pins (19) are arranged on the bottom surface of the die cavity groove (18).

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