Thin metal plate positioning equipment of horizontal injection molding machine

By designing a thin sheet metal positioning device for a horizontal injection molding machine, and using a drive mechanism to control the extension and retraction of the positioning pins, the problem of sheet metal falling and being difficult to place stably in the horizontal injection molding machine was solved, thus achieving stable positioning and rapid cooling molding of the sheet metal.

CN223750104UActive Publication Date: 2026-01-02克模塑胶(上海)有限公司
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520183714.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-01-02
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

During the sheet metal overmolding process, the sheet metal is prone to falling due to gravity and is difficult to place stably on the mold pins, resulting in poor injection molding effect.

Method used

A horizontal injection molding machine thin sheet metal positioning device was designed, including a front mold template, a rear mold template, a positioning pin baffle and an ejector pin mechanism. The extension and retraction of the positioning pins are controlled by a drive mechanism to achieve stable positioning and ejection of the sheet metal, and the cooling mechanism accelerates the molding process.

Benefits of technology

It achieves stable positioning and smooth ejection of sheet metal, improves injection molding effect, and accelerates the molding process through cooling mechanism.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223750104U_ABST
    Figure CN223750104U_ABST
Patent Text Reader

Abstract

The utility model discloses thin metal plate positioning equipment of a horizontal injection molding machine, and particularly relates to the field of metal plate positioning, which comprises a front mold template, a rear mold template is arranged on one side of the front mold template, a rear mold core baffle is arranged on one side of the rear mold template far away from the front mold template, one side of the rear mold core baffle is connected with a support block, and the support block is connected with the front mold template. A movable cavity is formed in the middle of the supporting block, a limiting step is arranged in the middle of the movable cavity, a positioning needle baffle is arranged at the top of the limiting step, a positioning needle fixing plate is connected to one side of the positioning needle baffle through a bolt, and positioning needles are arrayed and embedded in one side of the positioning needle fixing plate; when the ejector pin returns after ejection is completed, the driving mechanism drives the ejector pin baffle and the ejector pin fixing plate to return so as to cancel ejection of the ejector pin, at the moment, the positioning pin baffle and the positioning pin fixing plate are kept at the ejection position, and at the moment, a metal plate can be placed by utilizing the effective distance of the ejected positioning pin, so that the positioning function of the metal plate is realized.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal positioning field, more specifically, the utility model relates to a horizontal injection molding machine thin sheet metal positioning equipment. BACKGROUND

[0002] Sheet metal encapsulation injection molding is a processing technology that applies plastic materials to sheet metal parts through injection molding process. This technology can improve the aesthetics, corrosion resistance and functionality of products, and is widely used in the automobile, electronics, home appliance and other industries.

[0003] After searching, the existing patent (publication number: CN204464891 U) discloses a kind of installation sheet metal structure for injection molding machine, including installation sheet metal body, characterized in that installation sheet metal body includes horizontal mounting plate, the both sides of horizontal mounting plate are provided with the side plate extending upwards, and wiring slot is enclosed between horizontal mounting plate and side plate, installation plate is provided on horizontal mounting plate for installing installation sheet metal body on injection molding machine. Advantage is that the wiring slot is enclosed between horizontal mounting plate and the side plate provided on the both sides of the horizontal mounting plate by the installation sheet metal structure, the installation sheet metal structure is installed and fixed on injection molding machine by installation plate, the cable connected with the control system in the distribution cabinet of injection molding machine of various devices and electrical components installed on injection molding machine can be neatly arranged in the wiring slot, effectively avoid the problem that cable is dragged outside and wound together, so that injection molding machine is relatively neat as a whole. The inventor found that the prior art has the following problems in the process of realizing the utility model:

[0004] For a long time, horizontal injection molding machine corresponding sheet metal encapsulation injection molding has certain limitations, because sheet metal is put into and mold is in parallel plane, sheet metal falls under the influence of its gravity, so the effect of horizontal injection molding machine corresponding encapsulation sheet metal injection molding is not good, and sheet metal is fixed on the needle of 0.8mm on the surface of convex mold core, it is not only difficult to check the position of needle, but also difficult to place sheet metal steadily.

[0005] Therefore, a horizontal injection molding machine thin sheet metal positioning equipment is proposed for the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a horizontal injection molding machine thin sheet metal positioning equipment to solve the problems raised in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a thin sheet metal positioning equipment of horizontal injection molding machine, including front mould template, one side of front mould template is provided with rear mould template, rear mould template corresponds with front mould template, one side of rear mould template away from front mould template is provided with rear mould die block baffle, support block is connected to one side of rear mould die block baffle away from rear mould template, the middle part of support block is provided with movable cavity, the middle part of movable cavity is provided with limit step, the top of limit step is provided with locating pin baffle, locating pin baffle is connected with locating pin fixed plate through bolt on one side away from limit step, the one side of locating pin fixed plate is arranged and is provided with locating pin, one end of locating pin away from locating pin fixed plate passes through rear mould die block baffle and rear mould template and extends to the surface of rear mould template, one side of locating pin is provided with locating pin reset lever, one end of locating pin reset lever away from locating pin fixed plate passes through rear mould die block baffle and rear mould template and extends to the surface of rear mould template.

[0008] Preferably, the bottom of the movable cavity is provided with a thimble baffle, the side of the thimble baffle close to the locating pin baffle is connected with a thimble fixed plate through a bolt, the side of the thimble fixed plate is provided with a thimble, and the end of the thimble away from the thimble fixed plate extends to the side surface of the rear mold template.

[0009] Preferably, a mold closing is formed between the front mold template and the rear mold template, and the front mold template is provided with an injection port on one side.

[0010] Preferably, the rear mold template is provided with a cooling mechanism on one side, the cooling mechanism comprises a heat conduction sheet, a cooling elbow, a cooling box and a water pump, the heat conduction sheet is arranged at the edge of the rear mold template, and the cooling elbow is arranged outside the heat conduction sheet.

[0011] Preferably, the rear mold template is provided with a cooling box on one side, and the two ends of the cooling elbow are in communication with the cooling box.

[0012] Preferably, the cooling elbow is communicated with a water pump on the side close to the cooling box, and the front mold template is provided with a ventilation groove on one side.

[0013] The utility model discloses the technical effect and advantage:

[0014] 1. Compared with the prior art, the thin sheet metal positioning device of the horizontal injection molding machine cancels the ejection of the ejector pin when the ejector pin returns to the original position after the ejection is completed, the driving mechanism drives the ejector pin baffle and the ejector pin fixed plate to return, at this time, the positioning pin baffle and the positioning pin fixed plate remain in the ejection position, at this time, the effective distance of the ejected positioning pin can be used to place the sheet metal, realize the positioning function of the sheet metal, and when injection molding, the mold is closed, the positioning pin reset rod is pressed back to the initial position through the front mold template, the positioning pin reset rod drives the positioning pin baffle and the positioning pin fixed plate to move, so that the positioning pin is retracted and reset, so that the sheet metal is smoothly placed into the injection molding, and the product is smoothly ejected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model.

[0016] Figure 2 It is a front mold template and rear mold template separation structure schematic view of the utility model.

[0017] Figure 3 It is a mold closing structure schematic view of the utility model.

[0018] Figure 4 It is a cooling mechanism structure schematic view of the utility model.

[0019] The figure mark is: 1, front mold template; 2, rear mold template; 3, rear mold template baffle; 4, support block; 41, movable cavity; 42, limit step; 5, positioning pin baffle; 6, positioning pin fixed plate; 7, positioning pin; 8, positioning pin reset rod; 9, ejector pin baffle; 10, ejector pin fixed plate; 11, ejector pin; 12, mold closing; 13, injection port; 14, cooling mechanism; 15, heat conduction sheet; 16, cooling elbow; 17, cooling box; 18, water pump; 19, ventilation groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in 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.

[0021] Embodiment 1

[0022] As shown in the accompanying drawings Figures 1 to 3The illustrated horizontal injection molding machine thin sheet metal positioning device comprises a front mold plate 1, one side of the front mold plate 1 is provided with a rear mold plate 2, the rear mold plate 2 corresponds to the front mold plate 1, one side of the rear mold plate 2 away from the front mold plate 1 is provided with a rear mold core baffle 3, one side of the rear mold core baffle 3 away from the rear mold plate 2 is connected with a support block 4, the middle part of the support block 4 is provided with a movable cavity 41, the middle part of the movable cavity 41 is provided with a limiting step 42, the top of the limiting step 42 is provided with a positioning pin baffle 5, one side of the positioning pin baffle 5 away from the limiting step 42 is connected with a positioning pin fixing plate 6 through bolts, one side of the positioning pin fixing plate 6 is arranged and embedded with a positioning pin 7, one end of the positioning pin 7 away from the positioning pin fixing plate 6 extends to the surface of the rear mold plate 2 through the rear mold core baffle 3 and the rear mold plate 2, one side of the positioning pin 7 is provided with a positioning pin reset rod 8, one end of the positioning pin reset rod 8 away from the positioning pin fixing plate 6 extends to the surface of the rear mold plate 2 through the rear mold core baffle 3 and the rear mold plate 2.

[0023] Wherein: when the product needs to be ejected after injection molding is completed, the ejector pin baffle 9 and the ejector pin fixing plate 10 can be moved a distance forward by the driving mechanism, thereby pushing the ejector pin 11 to eject and thereby ejecting the product, while the ejector pin baffle 9 and the ejector pin fixing plate 10 are moving, the positioning pin baffle 5 and the positioning pin fixing plate 6 will be pushed to translate a distance, thereby pushing the positioning pin reset rod 8 and the positioning pin 7 to eject a distance, when the ejection is completed and the ejector pin is reset, the driving mechanism drives the ejector pin baffle 9 and the ejector pin fixing plate 10 to reset, thereby canceling the ejection of the ejector pin 11, at this time the positioning pin baffle 5 and the positioning pin fixing plate 6 remain in the ejected position, at this time the effective distance of the ejected positioning pin 7 can be used to place the sheet metal, realizing the positioning function of the sheet metal, when the mold is closed during injection molding, the positioning pin reset rod 8 is pressed back to the initial position through the front mold plate 1, the positioning pin reset rod 8 drives the positioning pin baffle 5 and the positioning pin fixing plate 6 to move, thereby making the positioning pin 7 retract and reset, so as to achieve the effect of smoothly placing the sheet metal into the injection molding and smoothly ejecting the product.

[0024] Embodiment 2

[0025] On the basis of embodiment 1, the scheme in embodiment 1 is further refined and introduced in combination with the following specific working modes, such as Figures 1 to 4 As shown, see the following description for details:

[0026] As a preferred embodiment, the bottom of the movable cavity 41 is provided with an ejector pin baffle 9, one side of the ejector pin baffle 9 close to the positioning pin baffle 5 is connected with an ejector pin fixing plate 10 through bolts, one side of the ejector pin fixing plate 10 is provided with an ejector pin 11, one end of the ejector pin 11 away from the ejector pin fixing plate 10 extends to one side surface of the rear mold plate 2; further, the ejector pin baffle 9 plays a supporting role, the ejector pin fixing plate 10 plays a limiting role, and the ejector pin 11 can eject the formed injection mold.

[0027] As a preferred embodiment, the mold 12 is formed between the front mold template 1 and the rear mold template 2, and the one side of the front mold template 1 is provided with the injection port 13; further, the plastic is injected into the mold 12 through the injection port 13.

[0028] As a preferred embodiment, the cooling mechanism 14 is arranged on the one side of the rear mold template 2, and the cooling mechanism 14 comprises the heat conduction sheet 15, the cooling elbow 16, the cooling box 17 and the water pump 18; the heat conduction sheet 15 is arranged on the edge of the rear mold template 2, and the outer part of the heat conduction sheet 15 is provided with the cooling elbow 16; further, the cooling mechanism 14 is used for cooling, so as to quickly cool and form the metal plate rubber injection molding, and the heat of the rear mold template 2 is conducted to the outside through the heat conduction sheet 15, so as to be cooled.

[0029] As a preferred embodiment, the cooling box 17 is arranged on the one side of the rear mold template 2, and the two ends of the cooling elbow 16 are communicated with the cooling box 17; further, the cooling liquid is arranged in the cooling box 17, the cooling liquid in the cooling box 17 is pumped into the cooling elbow 17 through the water pump, and the rear mold template 2 is cooled through the heat exchange between the cooling elbow 17 and the heat conduction sheet 15, so as to quickly cool and form the metal plate rubber injection molding.

[0030] As a preferred embodiment, the water pump 18 is communicated with the cooling box 17, and the ventilation groove 19 is arranged on the one side of the front mold template 1; further, the water pump 18 is used for driving, and the ventilation groove 19 is used for ventilation and heat dissipation.

[0031] The working process of the utility model is as follows: firstly, when the product needs to be ejected after injection molding, the ejector plate 9 and the ejector fixed plate 10 are driven by the driving mechanism to move forward by a distance, thereby pushing the ejector pin 11 to eject the product, and at the same time, the positioning pin baffle 5 and the positioning pin fixed plate 6 are pushed to move by a distance, thereby pushing the positioning pin reset rod 8 and the positioning pin 7 to eject by a distance, when the ejection is completed and the ejector pin returns, the ejector plate 9 and the ejector fixed plate 10 are driven by the driving mechanism to return, thereby canceling the ejection of the ejector pin 11, at this time, the positioning pin baffle 5 and the positioning pin fixed plate 6 remain in the ejected position, at this time, the effective distance of the ejected positioning pin 7 can be used to place the sheet metal, the positioning function of the sheet metal is realized, the positioning pin reset rod 8 is pressed back to the initial position by the front mold template 1 during mold closing, the positioning pin reset rod 8 drives the positioning pin baffle 5 and the positioning pin fixed plate 6 to move, thereby making the positioning pin 7 retract and reset, so that the sheet metal is smoothly put into injection molding, the product is smoothly ejected, the cooling liquid in the cooling box 17 can be pumped into the cooling elbow 17 by the water pump, the cooling elbow 17 and the heat conduction sheet 15 are heat exchanged, thereby cooling the rear mold template 2, the sheet metal is quickly cooled and formed by rubber coating injection molding, the working principle of the above-mentioned horizontal injection molding machine sheet metal positioning equipment is as follows.

[0032] Finally: the above only preferred embodiments of the utility model, and not for limiting the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A thin sheet metal positioning device for horizontal injection molding machines, comprising a front mold plate (1), characterized in that: The side of the front mold template (1) is provided with a rear mold template (2), the rear mold template (2) corresponds to the front mold template (1), the side of the rear mold template (2) away from the front mold template (1) is provided with a rear mold template (3), the side of the rear mold template (3) away from the rear mold template (2) is connected with a support block (4), the middle part of the support block (4) is provided with a movable cavity (41), the middle part of the movable cavity (41) is provided with a limiting step (42), the top of the limiting step (42) is provided with a positioning needle baffle (5), the side of the positioning needle baffle (5) away from the limiting step (42) is connected with a positioning needle fixed plate (6) through bolts, the side of the positioning needle fixed plate (6) is arranged with a positioning needle (7), one end of the positioning needle (7) away from the positioning needle fixed plate (6) extends through the rear mold template (3) and the rear mold template (2) to the surface of the rear mold template (2), the side of the positioning needle (7) is provided with a positioning needle reset rod (8), one end of the positioning needle reset rod (8) away from the positioning needle fixed plate (6) extends through the rear mold template (3) and the rear mold template (2) to the surface of the rear mold template (2).

2. A sheet metal positioning apparatus for a horizontal injection molding machine as defined in claim 1, wherein: The bottom of the movable cavity (41) is provided with a thimble baffle (9), the side of the thimble baffle (9) close to the positioning needle baffle (5) is connected with a thimble fixed plate (10) through bolts, the side of the thimble fixed plate (10) is provided with a thimble (11), one end of the thimble (11) away from the thimble fixed plate (10) extends to the side surface of the rear mold template (2).

3. A sheet metal positioning apparatus for a horizontal injection molding machine as defined in claim 2, wherein: The front mold template (1) and the rear mold template (2) form a mold (12) therebetween, the side of the front mold template (1) is provided with an injection port (13).

4. The sheet metal positioning apparatus for horizontal injection molding machines of claim 3, wherein: The side of the rear mold template (2) is provided with a cooling mechanism (14), the cooling mechanism (14) comprises a heat conduction sheet (15), a cooling elbow (16), a cooling box (17) and a water pump (18), the edge of the rear mold template (2) is provided with a heat conduction sheet (15), the outside of the heat conduction sheet (15) is provided with a cooling elbow (16).

5. A sheet metal positioning apparatus for a horizontal injection molding machine as defined in claim 4, wherein: The side of the rear mold template (2) is provided with a cooling box (17), the two ends of the cooling elbow (16) are communicated with the cooling box (17).

6. A sheet metal positioning apparatus for a horizontal injection molding machine as defined in claim 5, wherein: The side of the cooling elbow (16) close to the cooling box (17) is communicated with a water pump (18), the side of the front mold template (1) is arranged with a ventilation groove (19).

Citation Information

Patent Citations

  • Mounting metal plate structure for injection molding machine

    CN204464891U