Fine hole product injection mold with lubricating demolding structure

Abstract

The utility model discloses a fine-hole product injection mold with a lubricating demolding structure, which is provided with an upper mold plate positioned and assembled by a top plate, and the lower surface of the upper mold plate is connected with a lower mold plate in an attached manner; comprising a mold cavity which is embedded in the lower side of the inner surface of the upper mold plate, a first insert is embedded in the inner surface of the mold cavity in a limiting mode, a limiting piece is installed in the middle section of the inner surface of the first insert, and first nesting pieces are assembled on the two sides of the outer surface of the limiting piece in a nesting mode. According to the fine-hole product injection mold with the lubricating demolding structure, the mold cavity facilitating nesting and assembling is formed, the first insert and the limiting piece are assembled in the mold cavity in a nesting mode, positioning and assembling are effectively formed for the first insert, and therefore the upper shape of a fine-hole product body and a second insert assembled in a matched and assembled mold core nesting mode are formed; and the first embedding piece and the second embedding piece which are assembled in the second embedding piece in an embedded mode are used in cooperation with the inner structure of the cavity, and the forming face of a thin-hole product is provided with a hole.

Description

Technical Field

[0001] The utility model relates to the technical field of lubrication of injection molds for fine-pore products, in particular to an injection mold for fine-pore products provided with a lubrication demoulding structure. Background Art

[0002] Fine-pored products are generally hollow structures, and multiple groups of holes are opened on the use surface for later use, and the fine-pored products are molded by a set mold. However, there are still some problems in the use of injection molds for existing fine-pored products.

[0003] In the prior art, the “fine-pore product mold” in the authorization publication (announcement) number: CN208962345U includes an upper template, a middle template, a lower template and a fine-pore mold core assembly, wherein the middle template is fixedly connected to the upper template; the middle template is installed on the lower template; the fine-pore mold core assembly cooperates with the upper template and the middle template to form a hollow fine-pore product by injection molding;

[0004] During the operation of the above-mentioned device, the fine-pore product mold provided cooperates with the upper mold plate and the middle mold plate respectively through the fine-pore mold core on the fine-pore mold core assembly, and the hollow fine-pore structure of the fine-pore product is formed by injection molding. The structure is simple and ingenious, but when in use, due to the large number of holes on the fine-pore product and the excessive number of inserts and inserts, and when the hole wall thickness of the fine-pore product is large, it is difficult to demold during production, which affects the lubricity of the inserts and inserts. Utility Model Content

[0005] The utility model aims to provide an injection mold for fine-pored products with a lubricating demoulding structure to solve the problem raised in the above-mentioned background technology that due to the large number of holes on the fine-pored products and the excessive number of inserts and insert pins used, when the hole wall thickness of the fine-pored products is large, it is difficult to demould during production, which affects the lubricity of the inserts and insert pins.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a fine-pore product injection mold with a lubricating demoulding structure, provided with an upper mold plate for top plate positioning assembly, and the lower surface of the upper mold plate is fitted and connected with a lower mold plate;

[0007] It comprises: a mold cavity, which is embedded in the lower side of the inner surface of the upper mold plate, and an insert 1 is limitedly nested on the inner surface of the mold cavity, and a limit piece is installed in the middle section of the inner surface of the insert 1, and a nesting piece 1 is nested and assembled on both sides of the outer surface of the limit piece, and a fine-pore product body is formed and connected on the lower surfaces of the insert 1 and the nesting piece 1;

[0008] The core is embedded in the upper side of the inner surface of the lower template, and the inner surface of the core is limitedly nested with the second insert, and the middle section of the inner surface of the second insert is installed with a limit piece, a nesting piece 1 and a nesting piece 2, and at the same time, the nesting piece 2 and the outer surface of the limit piece are on both sides, and a pad is installed on the lower surface of the lower template;

[0009] A support frame is installed on the outer surface of the upper template, and the upper side of the outer surface of the support frame is rotatably connected to a turntable, and the outer side of the turntable is connected to a belt, while the lower surface of the belt is rotatably connected to a gear of an axis positioning assembly, and the lower surface of the gear is meshingly connected to a moving rod, and the moving rod is limited and slid inside the support frame, and oil nozzles are installed on the upper and lower sides of the outer surface of the moving rod.

[0010] Preferably, the mold cavity and the upper mold plate form an embedded threaded locking structure, and the mold cavity and insert one form a limiting built-in structure, and insert one forms a limiting nested structure through a limiting piece and nesting piece one, and at the same time, the limiting piece and nesting piece one are symmetrically arranged about the middle section of the inner surface of insert one.

[0011] Through the above structure, limited nesting can be effectively formed during use, and the position of the nesting piece 1 can be stably set according to the hole position of the fine-pored product body, and the limiting piece can be used to prevent the insert piece 1 from shaking.

[0012] Preferably, the core and the lower template form a limited thread locking structure, and the core, the second insert and the second nesting part form a limited nesting structure from outside to inside, and the second nesting part is prevented from falling off by a pad.

[0013] Through the above structure, the positions of the insert part 2 and the nesting part 2 can be effectively controlled during use, and the limiting part and the nesting part 1 can also be assembled in the core to effectively form a relative setting to form a fine-pore product body for use.

[0014] Preferably, the support frame is configured with a proportional rotation through a turntable, a belt and a gear, and the gear and the moving rod constitute an engaging conveying structure, and the moving rod and the support frame constitute a limited sliding structure, and the fuel injector is embedded in the upper and lower sides of the outer surface of the moving rod.

[0015] Through the above structure, when in use, the side of the turntable can be used effectively to drive the belt to control the speed ratio of the gear, and move according to the distance between the top plate and the bottom plate to control the moving speed of the moving rod, and cooperate with the assembled oil spray nozzle to lubricate the core and cavity position.

[0016] Preferably, the inner surface of the turntable is wound and connected with a stretching belt, and the end of the stretching belt is installed on the base, and the inner concave part of the outer surface of the stretching belt is connected with an auxiliary wheel, and the outer surface of the auxiliary wheel is rotatably connected to a movable frame, and the outer surface of the movable frame is slidably connected to a fixed frame, and an extrusion spring is elastically assembled on the right side between the fixed frame and the movable frame, and a metal contact rod for contacting each other is installed between the fixed frame and the movable frame.

[0017] Through the above structure, the rotation of the turntable can be stably connected and controlled during use, and the start and stop of the motor can be controlled in coordination with the tension setting of the stretching belt.

[0018] Preferably, the stretching belt and the turntable form a rotating winding structure, and the stretching belt forms a rotating structure with the mobile frame through an auxiliary wheel, and the mobile frame forms an elastic sliding structure with the fixed frame through an extrusion spring, and the fixed frame forms a left-side docking arrangement with the mobile frame through a metal contact rod.

[0019] Through the above structure, it is convenient to control the rotation of the motor by the tension of the stretching belt during use, thereby preventing the motor from rotating during mold separation and preventing the moving rod from being difficult to reset during mold closing. The motor rotation is controlled by tension control, and rotation is formed according to the mold closing speed, which drives the moving rod to reset for use.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The injection mold for fine-porous products provided with a lubricating demoulding structure is provided with a cavity for convenient nesting and assembly, and an insert 1 and a limiter are nested and assembled inside the cavity, and the nest 1 is effectively positioned and assembled, thereby forming the upper shape of the fine-porous product body, and the use of the insert 2 nested and assembled in the core assembled in cooperation with the assembled core, and the use of the nest 1 and the nest 2 nested and assembled inside the insert 2, in cooperation with the internal structure of the cavity, forms an opening setting on the molding surface of the fine-porous product;

[0022] 2. The fine-pore product injection mold with a lubricating demoulding structure is provided with a support frame that is easy to position and assemble, and is fixed on the upper template and the top plate. It effectively cooperates with the use of the stretching belt and the turntable assembled on the bottom plate, and effectively rotates on the support frame, thereby controlling the gear with a rotation ratio to rotate, controlling the moving rod with a rack to adjust the position, and cooperating with the assembled oil spray nozzle to produce a certain amount of lubrication on the production surfaces of insert one, nest one, insert two and nest two without affecting the lubricating material of the product molding, and through the position adjustment of the auxiliary wheel assembled by the stretching belt that can be prevented from loosening, the stretching belt is controlled to automatically rotate and shrink when the mold is closed, thereby withdrawing the moving rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the upper template of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the upper template of the utility model in a half-section view;

[0025] Figure 3 It is a schematic diagram of a partial cutaway three-dimensional structure of the mold cavity of the utility model;

[0026] Figure 4 For this utility model Figure 3 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0027] Figure 5 This is a semi-sectioned three-dimensional structural schematic diagram of the support frame of the utility model;

[0028] Figure 6 It is a schematic diagram of a partially cutaway three-dimensional structure of a fixing frame of the utility model.

[0029] In the figure: 1. upper template; 2. cavity; 3. insert 1; 4. limiter; 5. nested part 1; 6. fine-pore product body; 7. lower template; 8. core; 9. insert 2; 10. nested part 2; 11. pad; 12. support frame; 13. turntable; 14. belt; 15. gear; 16. moving rod; 17. fuel injector; 18. stretching belt; 19. auxiliary wheel; 20. moving frame; 21. fixed frame; 22. extrusion spring; 23. metal contact rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 6 The utility model provides a technical solution: a fine-pore product injection mold with a lubricating demoulding structure, provided with an upper mold plate 1 for top plate positioning assembly, and a lower mold plate 7 is fitted and connected to the lower surface of the upper mold plate 1;

[0032] The mold cavity 2 is embedded in the lower side of the inner surface of the upper mold plate 1, and the inner surface of the mold cavity 2 is limitedly nested with an insert 3, and a limiter 4 is installed in the middle section of the inner surface of the insert 3, and a nesting piece 5 is nested and assembled on both sides of the outer surface of the limiter 4, and the lower surfaces of the insert 3 and the nesting piece 5 are formed and connected with a fine-pore product body 6;

[0033] The core 8 is embedded in the upper side of the inner surface of the lower template 7, and the inner surface of the core 8 is limitedly nested with an insert 9, and the middle section of the inner surface of the insert 9 is installed with a limit piece 4, a nesting piece 1 5 and a nesting piece 2 10, and at the same time, the nesting piece 2 10 and both sides of the outer surface of the limit piece 4, and a pad 11 is installed on the lower surface of the lower template 7;

[0034] The cavity 2 and the upper template 1 form an embedded threaded locking structure, and the cavity 2 and the insert 3 form a limiting built-in structure, and the insert 3 forms a limiting nested structure through the limiting member 4 and the nesting member 5, and the limiting member 4 and the nesting member 5 are symmetrically arranged about the middle section of the inner surface of the insert 3.

[0035] The core 8 and the lower mold plate 7 form a limited thread locking structure, and the core 8, the insert 2 9 and the nesting part 2 10 form a limited nesting structure from outside to inside, and the nesting part 2 10 is prevented from falling off by the pad 11.

[0036] When the fine-porous product body 6 is injection molded, the cavity 2 assembled by the upper template 1 and the insert 3 symmetrically nested and assembled in the cavity 2 are effectively processed by the subsequent double-group simultaneous molding, and the insert 3 is nested and assembled with the limiter 4 inside it to form a limit assembly for the nested piece 5, so that the insert 3, the limiter 4 and the bottom of the nested piece 5 can be effectively controlled to mold the upper part of the fine-porous product body 6, and the core 8 built into the lower template 7, and the insert 2 9 assembled by the core 8, cooperate with the backing plate 11 and the nested piece 2 10 assembled by the insert 2 9, effectively forming the lower side of the inner surface of the fine-porous product body 6 at its upper end, thereby forming the fine-porous product body 6, and forming a stable demoulding process during the later demoulding;

[0037] The support frame 12 is installed on the outer surface of the upper template 1, and the upper side of the outer surface of the support frame 12 is rotatably connected to a turntable 13, and the outer side of the turntable 13 is connected to a belt 14, and the lower surface of the belt 14 is rotatably connected to a shaft positioning assembly gear 15, and the lower surface of the gear 15 is meshingly connected to a moving rod 16, and the moving rod 16 is limitedly slid inside the support frame 12, and oil nozzles 17 are installed on the upper and lower sides of the outer surface of the moving rod 16.

[0038] The support frame 12 forms a proportional rotation arrangement with the turntable 13, the belt 14 and the gear 15, and the gear 15 and the moving rod 16 form an engaging conveying structure, and the moving rod 16 and the support frame 12 form a limited sliding structure, and the fuel injector 17 is embeddedly installed on the upper and lower sides of the outer surface of the moving rod 16.

[0039] The inner surface of the turntable 13 is wound and connected with a stretching belt 18, and the end of the stretching belt 18 is installed on the base, and the inner concave part of the outer surface of the stretching belt 18 is connected with an auxiliary wheel 19, and the outer surface of the auxiliary wheel 19 is rotatably connected with a moving frame 20, and the outer surface of the moving frame 20 is slidably connected with a fixed frame 21, and an extrusion spring 22 is elastically assembled on the right side between the fixed frame 21 and the moving frame 20, and a metal contact rod 23 for contacting each other is installed between the fixed frame 21 and the moving frame 20.

[0040] The stretching belt 18 and the turntable 13 form a rotating winding structure, and the stretching belt 18 forms a rotating structure with the mobile frame 20 through the auxiliary wheel 19, and the mobile frame 20 forms an elastic sliding structure with the fixed frame 21 through the extrusion spring 22, and the fixed frame 21 forms a left-side docking arrangement with the mobile frame 20 through the metal contact rod 23.

[0041] When the upper template 1 and the lower template 7 need to be separated, the bottom plate assembled on the lower side of the lower template 7 will drive the installed stretching belt 18 to form a pull, and control the turntable 13 assembled by the support frame 12 to form a clockwise rotation, thereby controlling the turntable 13 to drive the gear 15 assembled by the belt 14 to form a synchronous clockwise rotation, and control the gear 15 to engage and control the moving rod 16 to form a limited sliding on the inner surface of the support frame 12, effectively moving the oil nozzle 17 assembled by the moving rod 16 to between the upper template 1 and the lower template 7, and lubricating the components assembled on the cavity 2 and the core 8, thereby preventing the components from long-term molding contact with the fine-porous product body 6, avoiding the blocking effect on the hole molding and demolding in the fine-porous product body 6, and when the stretching belt 18 moves, its extrusion The press-connected auxiliary wheel 19 rotates on the mobile frame 20, controls the mobile frame 20 to slide rightward in the fixed frame 21, squeezes the squeezing spring 22 to form a contraction, and controls the metal contact rods 23 respectively assembled on the mobile frame 20 and the fixed frame 21 to separate, thereby preventing the motor on the turntable 13 from rotating, and when the mold is closed, the stretching belt 18 will be in a loose state, and the mobile frame 20 outside the press-connected auxiliary wheel 19 will cooperate with the elasticity of the squeezing spring 22 to control the mobile frame 20 to move to the left side of the fixed frame 21, and make the respectively assembled metal contact rods 23 contact, thereby controlling the motor on the turntable 13 to rotate, effectively controlling the turntable 13 to rotate and store the stretching belt 18, and resetting the mobile rod 16 to improve the resetting stability.

[0042] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fine-pore product injection mold with a lubricating demoulding structure, comprising an upper mold plate (1) for top plate positioning assembly, and a lower mold plate (7) is bonded to the lower surface of the upper mold plate (1); It is characterized in that include: The mold cavity (2) is embedded in the lower side of the inner surface of the upper mold plate (1), and an insert (3) is nested in the inner surface of the mold cavity (2), and a limiting member (4) is installed in the middle section of the inner surface of the insert (3), and a nesting member (5) is nested and assembled on both sides of the outer surface of the limiting member (4), and the lower surfaces of the insert (3) and the nesting member (5) are molded and connected with a fine-pored product body (6); A core (8) is embedded in the upper side of the inner surface of the lower template (7), and a second insert (9) is nested in the inner surface of the core (8) to limit the position, and a limiting piece (4), a nesting piece (5) and a second nesting piece (10) are installed in the middle section of the inner surface of the second insert (9), and a backing plate (11) is installed on both sides of the outer surface of the nesting piece (10) and the limiting piece (4) and on the lower surface of the lower template (7); A support frame (12) is mounted on the outer surface of the upper template (1), and the upper side of the outer surface of the support frame (12) is rotatably connected to a turntable (13), and the outer side of the turntable (13) is connected to a belt (14), while the lower surface of the belt (14) is rotatably connected to a shaft positioning assembly gear (15), and the lower surface of the gear (15) is meshingly connected to a moving rod (16), and the moving rod (16) is limitedly slid inside the support frame (12), and oil nozzles (17) are installed on the upper and lower sides of the outer surface of the moving rod (16).

2. The fine-pore product injection mold with a lubricating demoulding structure according to claim 1, characterized in that: The mold cavity (2) and the upper mold plate (1) form an embedded thread locking structure, and the mold cavity (2) and the insert one (3) form a limiting built-in structure, and the insert one (3) forms a limiting nesting structure with the limiting piece (4) and the nesting piece one (5), and the limiting piece (4) and the nesting piece one (5) are symmetrically arranged with respect to the middle section of the inner surface of the insert one (3).

3. The fine-pore product injection mold with a lubricating demoulding structure according to claim 1, characterized in that: The core (8) and the lower mold plate (7) form a limited thread locking structure, and the core (8) and the second insert (9) and the second nesting piece (10) form a limited nesting structure from outside to inside, and the second nesting piece (10) is prevented from falling off by a pad (11).

4. The fine-pore product injection mold with a lubricating demoulding structure according to claim 1, characterized in that: The support frame (12) forms a proportional rotation arrangement with a turntable (13) and a belt (14) and a gear (15), and the gear (15) and the moving rod (16) form a meshing conveying structure, and the moving rod (16) and the support frame (12) form a limited sliding structure, and the oil nozzle (17) is embedded and installed on the upper and lower sides of the outer surface of the moving rod (16).

5. The fine-pore product injection mold with a lubricating demoulding structure according to claim 1, characterized in that: The inner surface of the turntable (13) is wound and connected with a stretching belt (18), and the end of the stretching belt (18) is installed on the base, and the inner concave part of the outer surface of the stretching belt (18) is connected with an auxiliary wheel (19), and the outer surface of the auxiliary wheel (19) is rotatably connected with a moving frame (20), and the outer surface of the moving frame (20) is slidably connected with a fixed frame (21), and an extrusion spring (22) is elastically assembled on the right side between the fixed frame (21) and the moving frame (20), and a metal contact rod (23) that can contact each other is installed between the fixed frame (21) and the moving frame (20).

6. The fine-pore product injection mold with a lubricating demoulding structure according to claim 5, characterized in that: The stretching belt (18) and the rotating disk (13) form a rotating winding structure, and the stretching belt (18) forms a rotating structure with the moving frame (20) through the auxiliary wheel (19), and the moving frame (20) forms an elastic sliding structure with the fixed frame (21) through the extrusion spring (22), and the fixed frame (21) forms a left-side docking arrangement with the moving frame (20) through the metal contact rod (23).

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