CN219903205U

CN219903205U - Injection mold with ejection function

Info

Publication number: CN219903205U
Application number: CN202321511284.1U
Authority: CN
Inventors: 吴在宝; 阮露
Original assignee: Anhui Hongye Plastic Industry Co ltd
Current assignee: Anhui Hongye Plastic Industry Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-10-27
Anticipated expiration: 2033-06-14

Abstract

The utility model discloses an injection mold with an ejection function, which comprises a fixed mold, a movable mold, a vertical plate and a bottom plate, wherein the fixed mold is arranged on the vertical plate: the left side welding of riser has four slide bars, and the common sliding connection in surface of four slide bars has the movable plate, the welding between the right side of movable plate and the movable mould, the left side welding of movable plate has two crossbeams. According to the utility model, the motor drives the threaded rod to rotate and drives the driving rod to move right, so that the driving rod drives the ejection rod to move right through the spring, when the driving rod drives the dart-shaped block to move to be propped against the ejector block, the dart-shaped block swings and drives the ejection rod to move right through the support block, the ejection rod is moved and the injection molding piece is ejected through the cooperation of the support block, the dart-shaped block and the ejector block, the moving distance of the ejection rod in the process is equal to the sum of the right moving distance of the driving rod and the horizontal swinging distance of the dart-shaped block, and the purposes of shortening the running time of the motor and the length of the threaded rod and effectively improving the timeliness and the economical efficiency of the injection molding die can be achieved.

Description

Injection mold with ejection function

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold with an ejection function.

Background

The injection molding is a method for obtaining a molded product by injecting a heated and melted material into a mold cavity under high pressure and cooling and solidifying the material, the method is suitable for mass production of parts with complex shapes, and is one of important processing methods, the injection molding process can be divided into six stages of mold closing, injection, pressure maintaining, cooling, mold opening and product taking out, and the process is repeatedly carried out, so that the product can be continuously produced.

The publication number is: the injection mold with the automatic ejection function of CN214082549U comprises a base, a power ejection unit, a fixed mold, a movable mold and a top plate; four positioning columns and four fixing brackets are arranged on the upper surface of the base, a fixed die is arranged in the middle of each positioning column, a top plate is arranged at the upper ends of the four fixing brackets, a hydraulic cylinder is arranged on the lower surface of the top plate, a bracket is fixedly arranged at the lower end of a piston rod of the hydraulic cylinder, a movable die is fixedly arranged at the lower end of the bracket, a groove is formed in the bottom of the movable die, and a power ejection unit is further arranged on the upper surface of the base; a power ejection unit: the injection mold comprises a screw rod, a first bevel gear, a second bevel gear, a transmission shaft, a motor support, an ejector rod and a moving block, wherein the motor support is arranged on the upper surface of the base, the injection mold structure with an automatic ejection function is high in reliability, structural strength is designed, structural stability is improved, and ejection effect is better.

According to the utility model, when the power ejection unit is used for demolding, materials are ejected, deformation of the materials is avoided, and the power ejection unit has reliable use performance, but the ejection of the materials is realized by driving the moving block through the rotation of the screw rod and driving the ejector rod to move, so that the moving distance of the ejector rod is equal to the moving distance of the moving block, when an injection molding piece with a part of ejection stroke is demolded, the length of the screw rod required to be used is longer, and meanwhile, the running time of a driving motor of the screw rod is also longer, and the economical efficiency and timeliness are slightly insufficient, so that the injection mold with the ejection function is required, the length and the rotation time of the screw rod can be shortened, and the demolding efficiency and the economical efficiency of the injection molding piece with a longer ejection stroke are further improved.

Disclosure of Invention

The utility model aims to provide an injection mold with an ejection function, wherein an ejector rod is moved and an injection molding piece is ejected through the cooperation of a supporting block, a dart-shaped block and an ejector block, the moving distance of the ejector rod in the process is equal to the sum of the right movement of a driving rod and the horizontal swinging distance of the dart-shaped block, and the running time of a motor and the length of a threaded rod can be shortened, so that the technical problem proposed by the background technology is solved.

The technical scheme for solving the technical problems is as follows: an injection mold with an ejection function comprises a fixed mold, a movable mold, a vertical plate and a bottom plate: the left side welding of riser has four slide bars, and the common sliding connection of surface of four slide bars has the movable plate, the welding between movable plate's the right side and the movable mould, the left side welding of movable plate has two diaphragms, and the left end of two diaphragms has the connecting plate jointly welded, the top fixed mounting of bottom plate has the cylinder, fixed connection between the output of cylinder and the connecting plate, the right side fixed mounting of connecting plate has the motor, the output fixedly connected with threaded rod of motor, the surface threaded connection of threaded rod has the actuating lever, the right side of movable mould is provided with two ejector rods, the left end of ejector rod runs through movable mould and movable plate in proper order, the surface welding of ejector rod has a piece, fixedly connected with spring between ejector rod and the actuating lever, the right side of actuating lever is connected with two dart shape pieces through the pivot rotation, the left side welding of movable plate has two ejector pieces.

Preferably, the vertical plate is arranged on the right side of the fixed die, and the bottom of the vertical plate is fixedly connected with the bottom plate.

Preferably, the driving rod is in sliding connection with the transverse plate, and a sliding groove matched with the driving rod is formed in the surface of the transverse plate.

Preferably, the two ends of the driving rod are connected with balls in a rolling way, and the surfaces of the balls are attached to the inner wall of the sliding groove.

Preferably, the two dart-shaped blocks are fixedly provided with a sleeve head at one end opposite to each other, and the sleeve head is a wear-resistant rubber sleeve.

1. The beneficial effects of the utility model are as follows: according to the utility model, the motor drives the threaded rod to rotate and drives the driving rod to move right, so that the driving rod drives the ejection rod to move right through the spring, when the driving rod drives the dart-shaped block to move to be propped against the ejector block, the dart-shaped block swings and drives the ejection rod to move right through the support block, the ejection rod is moved and the injection molding piece is ejected through the cooperation of the support block, the dart-shaped block and the ejector block, the moving distance of the ejection rod in the process is equal to the sum of the right moving distance of the driving rod and the horizontal swinging distance of the dart-shaped block, and the purposes of shortening the running time of the motor and the length of the threaded rod and effectively improving the timeliness and the economical efficiency of the injection molding die can be achieved.

2. According to the utility model, through the arrangement of the balls, the friction between the driving rod and the inner wall of the chute is reduced, and the condition that the resistance of the driving rod is large when the driving rod directly moves on the inner wall of the chute is avoided.

3. According to the utility model, one end of the dart-shaped block is wrapped and protected through the sleeve head, so that the condition that the dart-shaped block is in direct contact with the top block and is worn quickly is avoided, and the service life of the dart-shaped block is effectively prolonged.

Drawings

Wherein:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a partial enlarged view of the point A in FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an ejector rod according to one embodiment of the present utility model;

fig. 4 is a schematic perspective view of a driving rod and an ejector rod according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. the device comprises a fixed die, 2, a movable die, 3, a vertical plate, 4, a bottom plate, 5, a slide bar, 6, a movable plate, 7, a transverse plate, 8, a connecting plate, 9, a cylinder, 10, a motor, 11, a threaded rod, 12, a driving rod, 13, a sliding chute, 14, a ball, 15, an ejector rod, 16, a supporting block, 17, a spring, 18, a dart-shaped block, 19, a sleeve head, 20 and an ejector block.

Detailed Description

Hereinafter, an embodiment of the injection mold with an ejection function of the present utility model will be described with reference to the accompanying drawings.

Embodiment one:

fig. 1 to 4 show an injection mold with an ejection function according to an embodiment of the present utility model, which includes a fixed mold 1, a movable mold 2, a riser 3, and a bottom plate 4: the left side welding of riser 3 has four slide bars 5, the common sliding connection of surface of four slide bars 5 has movable plate 6, the welding between the right side of movable plate 6 and movable mould 2, the left side welding of movable plate 6 has two diaphragms 7, the left end of two diaphragms 7 has welded connecting plate 8 jointly, the top fixed mounting of bottom plate 4 has cylinder 9, fixed connection between the output of cylinder 9 and connecting plate 8, the right side fixed mounting of connecting plate 8 has motor 10, the output fixedly connected with threaded rod 11 of motor 10, threaded rod 11's surface threaded connection has actuating lever 12, sliding connection between actuating lever 12 and diaphragm 7, the spout 13 with actuating lever 12 looks adaptation has been seted up on the surface of diaphragm 7, the equal roll connection in both ends of actuating lever 12 has ball 14, the surface of ball 14 is laminated with the inner wall of spout 13 mutually, through the setting of ball 14, reduce the friction between actuating lever 12 and the inner wall of spout 13, avoid actuating lever 12 to directly the big circumstances of resistance to take place when the inner wall removal of spout 13, the right side of movable mould 2 is provided with two ejector levers 15, the left side of ejector lever 15 fixedly connected with threaded rod 11, the ejector plate 15 has a follower 15 through the face-to-side end 15, the movable mould 15 is connected with the pivot of two ejector plate 12 through the movable mould 15, the face-to-side joint plate 16 has two ejector blocks of ejector plate 12, the face-plate 20, the joint between the movable mould 15 has two ejector plate 12, the face-plate 20 is welded through the face-plate 12, the face-plate is welded, the ejector plate 20.

Embodiment two:

fig. 1 to 4 show an injection mold with an ejection function according to an embodiment of the present utility model, which includes a fixed mold 1, a movable mold 2, a riser 3, and a bottom plate 4: the vertical plate 3 is arranged on the right side of the fixed die 1, the bottom of the vertical plate 3 is fixedly connected with the bottom plate 4, four sliding rods 5 are welded on the left side of the vertical plate 3, the surfaces of the four sliding rods 5 are connected with a movable plate 6 in a sliding way, the right side of the movable plate 6 is welded with the movable die 2, the left side of the movable plate 6 is welded with two transverse plates 7, the left ends of the two transverse plates 7 are welded with a connecting plate 8 together, the top of the bottom plate 4 is fixedly provided with an air cylinder 9, the output end of the air cylinder 9 is fixedly connected with the connecting plate 8, the right side of the connecting plate 8 is fixedly provided with a motor 10, the output end of the motor 10 is fixedly connected with a threaded rod 11, the surface of the threaded rod 11 is connected with a driving rod 12 in a threaded way, the right side of movable mould 2 is provided with two ejector rods 15, the left end of ejector rod 15 runs through movable mould 2 and movable plate 6 in proper order, ejector rod 15's surface welding has a piece 16, fixedly connected with spring 17 between ejector rod 15 and the actuating lever 12, the right side of actuating lever 12 is connected with two dart shape pieces 18 through the pivot rotation, two dart shape pieces 18 are all fixed mounting in opposite directions has pullover 19, pullover 19 is wear-resistant rubber sleeve, through pullover 19's setting, parcel protection is carried out to dart shape piece 18's one end, the condition that the direct contact of dart shape piece 18 and kicking piece 20 appears wearing and tearing fast takes place, dart shape piece 18's life has effectively been prolonged, movable plate 6's left side welding has two kicking pieces 20.

Working principle: when the injection molding device is used, a user drives the connecting plate 8 to move right through the opening air cylinder 9, so that the connecting plate 8 drives the moving plate 6 to move right on the surface of the sliding rod 5 through the transverse plate 7, then the movable die 2 enters the inner cavity of the fixed die 1, then hot melt plastic is injected into the inner cavity of the fixed die 1 under the cooperation of external injection molding components, the injection molding device is described in the prior art, the air cylinder 9 is reset and drives the movable die 2 to reset, then the motor 10 is started to drive the threaded rod 11 to rotate and drive the driving rod 12 to move right in the inner cavity of the sliding groove 13, the driving rod 12 drives the ejection rod 15 to move right through the spring 17, when the driving rod 12 drives the dart-shaped block 18 to abut against the ejector block 20, then the dart-shaped block 18 swings and drives the ejection rod 15 to move right through the support block 16, at the moment, the ejection rod 15 drives the spring 17 to deform, after the ejection of the injection molded part is ejected, the motor 10 reversely rotates and drives the driving rod 12 to reset, the ejection rod 15 is reset and drives the ejection rod 15 to move right through the support block 16, and the dart-shaped block 18 swings, the dart-shaped block 18 and the length of the dart-shaped block 15 is shortened, and the length of the dart-shaped block is shortened, and the dart-shaped 3 is shortened, and the length of the dart-shaped 3 is shortened, and the dart-shaped 15 is shortened, and the length is shortened, and the dart-shaped 15 is pushed and has the length and the good and has the good economic and has the advantages of good quality and the good quality.

To sum up: this from injection mold of taking ejecting function, drive threaded rod 11 through motor 10 rotates and drives actuating lever 12 and move to the right, make actuating lever 12 drive ejector lever 15 through spring 17 move to the right, when actuating lever 12 drives dart shape piece 18 and offsets with kicking block 20, dart shape piece 18 swings and stir ejector lever 15 through propping block 16 and move to the right, use ejector lever 15 through the cooperation of propping block 16, dart shape piece 18 and kicking block 20 and remove and push out the injection molding, the distance of removal of this in-process ejector lever 15 equals actuating lever 12 right-hand movement and dart shape piece 18 horizontal swing distance's sum, can reach and shorten the operating time of motor 10 and the length of threaded rod 11, the purpose of effectively improving injection mold timeliness and economic nature.

Claims

1. The injection mold with the ejection function is characterized by comprising a fixed mold (1), a movable mold (2), a vertical plate (3) and a bottom plate (4): the utility model discloses a dart welding device for a plastic material, including riser (3), movable mould (2), connecting plate (8), bottom plate (4), cylinder (9) are welded in the left side of riser (3), four slide bars (5) are welded in the left side of riser (3), and the common sliding connection in surface of four slide bars (5) has movable plate (6), the welding between the right side of movable plate (6) and movable mould (2), the left side welding of movable plate (6) has two diaphragm (7), and the left end of two diaphragm (7) has connecting plate (8) jointly, the top fixed mounting of bottom plate (4) has cylinder (9), fixed connection between the output of cylinder (9) and connecting plate (8), the right side fixed mounting of connecting plate (8) has motor (10), the output fixedly connected with threaded rod (11) of motor (10), the surface threaded connection of threaded rod (11) has actuating lever (12), the right side of movable mould (2) is provided with two liftout bars (15), the left end of liftout bar (15) runs through movable mould (2) and movable plate (6) in proper order, the surface of liftout bar (15) has a piece (16), liftout bar (15) and face of connecting plate (8), pivot (20) have pivot shape to weld between two liftout bars (12).

2. The injection mold with the ejection function according to claim 1, wherein the vertical plate (3) is installed on the right side of the fixed mold (1), and the bottom of the vertical plate (3) is fixedly connected with the bottom plate (4).

3. Injection mold with ejection function according to claim 2, characterized in that the driving rod (12) is slidably connected with the transverse plate (7), and a sliding groove (13) adapted to the driving rod (12) is formed on the surface of the transverse plate (7).

4. An injection mold with ejection function according to claim 3, wherein the two ends of the driving rod (12) are connected with balls (14) in a rolling manner, and the surfaces of the balls (14) are attached to the inner wall of the chute (13).

5. The injection mold with the ejection function according to claim 4, wherein a sleeve head (19) is fixedly arranged at one end of each of the two dart-shaped blocks (18) opposite to each other, and the sleeve head (19) is a wear-resistant rubber sleeve.