CN215320378U - Injection mold ejection mechanism - Google Patents
Injection mold ejection mechanism Download PDFInfo
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- CN215320378U CN215320378U CN202121357322.3U CN202121357322U CN215320378U CN 215320378 U CN215320378 U CN 215320378U CN 202121357322 U CN202121357322 U CN 202121357322U CN 215320378 U CN215320378 U CN 215320378U
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- assembly
- thimble
- component
- injection mold
- ejection mechanism
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Abstract
An injection mold ejection mechanism comprises a rack, an upper film, a lower film, a base, a workbench, a thimble assembly, a linkage assembly and a material pushing assembly; the frame is provided with a power device; the lower die is arranged on the upper surface of the workbench, is positioned right below the upper film, and is internally provided with a top plate; the workbench is arranged on the base; a mounting frame is arranged below the workbench; the thimble assembly is connected with the mounting frame in a sliding manner along the vertical direction; the base is provided with a power assembly component for driving the thimble component and the linkage component to move upwards; and a conveyor belt assembly is arranged below the rack. According to the injection molding device, ejection and movement of the injection molding piece are realized, preparation is made for the next injection molding process, the overall production efficiency of the device is improved, and the working efficiency, stability and safety of the device are improved.
Description
Technical Field
The utility model relates to the field, in particular to an ejection mechanism of an injection mold.
Background
The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The mold is a tool for making a molded article, the tool being composed of various parts, different molds being composed of different parts; the processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The blank is formed into a tool with a specific shape and size under the action of external force. The die is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products.
In production, after the injection-molded part is molded, the finished product needs to be ejected from the mold and removed. The traditional die does not generally have an ejection structure, and a finished product needs to be taken away manually, so that the time is consumed, and the overall production efficiency of the device is reduced.
Therefore, how to remove the finished product in time after ejecting the finished product is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides the ejection mechanism of the injection mold, which can remove a finished product in time after the finished product is ejected, so that the next pouring process can be conveniently carried out, and the overall working efficiency of the equipment is improved.
(II) technical scheme
In order to solve the problems, the utility model provides an injection mold ejection mechanism, which comprises a rack, an upper film, a lower film, a base, a workbench, a thimble assembly, a linkage assembly and a material pushing assembly, wherein the upper film is arranged on the rack;
the frame is provided with a power device for driving the upper film to move along the vertical direction;
the lower die is arranged on the upper surface of the workbench, is positioned right below the upper film, and is internally provided with a top plate;
the workbench is arranged on the base; a mounting frame is arranged below the workbench;
the thimble assembly is connected with the mounting frame in a sliding manner along the vertical direction; the upper end of the thimble assembly extends into the lower die and is connected with the top plate; the lower end of the thimble assembly abuts against the base;
the linkage assembly is connected with the workbench in a sliding manner along the vertical direction; the upper end of the linkage assembly is linked with the pushing assembly, and the lower end of the pushing assembly abuts against the base;
the base is provided with a power assembly component for driving the thimble component and the linkage component to move upwards;
and a conveyor belt assembly is arranged below the rack and is arranged side by side with the lower die.
Preferably, the power assembly component comprises a cylinder component and a power component; the power component is strip-shaped, and the upper surface of the power component is a horizontal plane; one end of the power component is connected with a piston rod of the air cylinder assembly, and the other end of the power component gradually inclines downwards along the direction far away from the air cylinder assembly to form a first inclined surface.
Preferably, a plurality of rollers or balls are provided on the first inclined surface of the power member and on the horizontal surface at equal intervals.
Preferably, the thimble assembly comprises a thimble, a guide sleeve, a limiting ring, a connecting plate, a connecting column and a first sliding piece; the upper end of the thimble is connected with the bottom of the top plate; the middle part of the thimble penetrates through the guide sleeve, the limiting ring is sleeved on the periphery of the middle part of the thimble, and the periphery of the limiting ring is in sliding connection with the inner periphery of the guide sleeve; a buffer spring is arranged between the limiting ring and the top of the guide sleeve; the lower end of the thimble is fixed on the connecting plate, and the bottom of the connecting plate is connected with the first sliding piece through the connecting column; the first sliding part is abutted against the base, and the first sliding part is driven by the power part to ascend or descend along the vertical direction.
Preferably, the first sliding member is a ball or a trapezoidal sliding block.
Preferably, the ejector pins are arranged at equal intervals and in a matrix.
Preferably, the pushing assembly comprises a moving member and a pushing plate; the moving piece is arranged on the lower surface of the frame in a transverse sliding mode, and the push plate is arranged at the end part of the moving piece; one side of the moving piece facing the straight rod is provided with a second inclined surface; the linkage assembly comprises a straight rod and a second sliding piece; a positioning guide cylinder is arranged on the workbench; the straight rod is matched with and penetrates through the positioning guide cylinder; the upper end of the straight rod is provided with a ball or a roller; the lower end of the straight rod is connected with a second sliding piece; the second sliding part is abutted against the base, and the second sliding part is driven by the power part to ascend or descend along the vertical direction.
Preferably, the second sliding member is a ball or a trapezoidal sliding block.
Preferably, the device also comprises a fixing frame and a spring; the fixed frame is vertically arranged on the rack; the spring is horizontally arranged; the springs are arranged in two groups and are respectively positioned on two sides of the moving piece; the width of the push plate is larger than the end part of the moving part, one end of the spring is connected with the push plate, and the other end of the spring is connected with the fixing frame.
Preferably, the second inclined surface of the moving member is coated with solid lubricant.
According to the injection molding device, the ejector pin component and the linkage component are sequentially driven to act through the sequential stroke action of the power assembly component, so that the injection molding part is ejected and moved, preparation is made for the next injection molding process, and the overall production efficiency of the device is improved. Meanwhile, the equipment adopts simple structural machinery, realizes full-automatic control, and is low in cost, high in practicability and convenient to popularize. Meanwhile, the sliding friction of the equipment is converted into rolling friction, so that the energy consumption is reduced, the normal work of the equipment is ensured, the phenomenon of blocking is avoided, and the working stability and safety of the equipment are improved.
According to the utility model, the buffer spring is arranged between the limiting ring and the top of the guide sleeve, when the first sliding piece just starts to drive the thimble to move upwards, the limiting ring extrudes the buffer spring, then the limiting ring drives the thimble to move upwards, and the buffer spring ensures that the process of the thimble moving upwards is more stable. Meanwhile, the guide sleeve has a guide function. When the injection molding piece is taken out, the first sliding piece descends downwards under the action of gravity, and the buffer spring extends to facilitate the downward movement of the ejector pin, so that the ejector pin is ensured to return to the initial position smoothly, and preparation is made for the next injection molding.
When the moving piece moves towards the direction of the lower die, the spring stretches to buffer the movement of the moving piece, so that the instability of the moving piece caused at the moment of moving the moving piece is buffered. When the sliding part moves downwards, the spring contracts to drive the moving part to return to the initial position, so that preparation is made for the next pouring and injection molding process, and the overall processing efficiency of the equipment is improved.
Drawings
Fig. 1 is a schematic perspective view of an ejection mechanism of an injection mold according to the present invention.
Fig. 2 is a front view of the ejection mechanism of the injection mold according to the present invention.
Fig. 3 is a schematic structural diagram of a thimble assembly in the ejection mechanism of the injection mold according to the present invention.
Fig. 4 is a schematic structural diagram of a guide sleeve in the ejection mechanism of the injection mold according to the present invention.
Fig. 5 is a schematic structural diagram of a linkage assembly in the ejection mechanism of the injection mold according to the present invention.
Fig. 6 is a schematic structural diagram of a power assembly component in the ejection mechanism of the injection mold according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the ejection mechanism of an injection mold provided by the utility model comprises a frame 1, an upper film 3, a lower film 4, a base 2, a workbench 5, a thimble assembly 6, a linkage assembly 8 and a pushing assembly 7;
the frame 1 is provided with a power device for driving the upper film 3 to move along the vertical direction;
the lower die 4 is arranged on the upper surface of the workbench 5, the lower die 4 is positioned right below the upper film 3, and a top plate 41 is arranged in the lower die 4;
the workbench 5 is arranged on the base 2; a mounting rack 50 is arranged below the workbench 5;
the thimble assembly 6 is connected with the mounting frame 50 in a sliding manner along the vertical direction; the upper end of the thimble assembly 6 extends into the lower die 4 and is connected with the top plate 41; the lower end of the thimble assembly 6 is abutted against the base 2;
the linkage assembly 8 is connected with the workbench 5 in a sliding mode along the vertical direction; the upper end of the linkage component 8 is linked with the pushing component 7, and the lower end of the pushing component 7 is abutted against the base 2;
the base 2 is provided with a power assembly component 9 for driving the thimble component 6 and the linkage component 8 to move upwards;
a conveyor belt assembly 10 is arranged below the machine frame 1, and the conveyor belt assembly 10 is arranged side by side with the lower die 4.
In the utility model, after the injection molding piece is cooled, the upper mold 3 is opened; then, the power assembly component 9 drives the ejector pin component 6 to work, so that the ejector pin component 6 ejects the injection molding piece out; and then, the power assembly component 9 further drives the linkage component 8 to move upwards under the state that the position of the needle ejecting component 6 is kept unchanged so as to control the pushing component 7 to push and drop the injection molding piece on the conveyor belt component 10, and the injection molding piece is further conveyed by the conveyor belt component 10.
According to the utility model, the ejector pin component 6 and the linkage component 8 are sequentially driven to act through the sequential stroke action of the power assembly component 9, so that the ejection and the movement of an injection molding piece are realized, the preparation is made for the next injection molding process, and the overall production efficiency of the equipment is improved. Meanwhile, the equipment adopts simple structural machinery, realizes full-automatic control, and is low in cost, high in practicability and convenient to popularize.
In an alternative embodiment, the powertrain assembly 9 includes a cylinder assembly 91 and a power component 92;
the power component 92 is strip-shaped, and the upper surface of the power component 92 is a horizontal plane 93; one end of the power component 92 is connected to the piston rod of the cylinder assembly 91, and the other end thereof is gradually inclined downwards in a direction away from the cylinder assembly 91 to form a first inclined surface 90.
In the present invention, firstly, the cylinder assembly 91 pushes the power member 92 to move towards the direction of the thimble assembly 6 and the linkage assembly 8;
firstly, the first inclined surface 90 of the power component 92 contacts the ejector pin assembly 6, and the ejector pin assembly 6 is jacked up through the first inclined surface 90, so that the injection molding part is jacked out;
then, the power part 92 continues to move, and the lower end of the ejector pin assembly 6 slides on the horizontal plane 93 at the moment so as to maintain the uniform height (the height of the injection molding piece is kept unchanged after being ejected);
then, the first inclined surface 90 of the power part 92 contacts the linkage assembly 8 until the lower end of the linkage assembly 8 moves to the horizontal surface 93 (at this time, the lower end of the thimble assembly 6 still abuts against the horizontal surface 93); the linkage assembly 8 moves upwards and drives the pushing assembly 7 to act, so that the injection molding piece is pushed, and the injection molding piece falls on the conveyor belt assembly 10 to be conveyed away.
Finally, the power unit 92 moves in the reverse direction, the linkage assembly 8 first descends to the original position (the pushing assembly 7 correspondingly recovers to the initial position), and then the ejector pin assembly 6 descends to the original position.
In an alternative embodiment, a plurality of rollers or balls are provided at equal intervals on the first inclined surface 90 and the horizontal surface 93 of the power member 92.
It should be noted that the roller or the ball can reduce the friction between the first inclined plane 90 and the horizontal plane 93 and the thimble assembly 6 and the linkage assembly 8, convert the sliding friction into the rolling friction, reduce the energy consumption, ensure the normal operation of the equipment, avoid the phenomenon of locking, and improve the stability and the safety of the operation of the equipment.
In an alternative embodiment, the thimble assembly 6 includes a thimble 61, a guide sleeve 65, a limit ring 66, a connecting plate 62, a connecting column 63 and a first sliding member 64;
the upper end of the thimble 61 is connected with the bottom of the top plate 41; the middle part of the thimble 61 penetrates through the guide sleeve 65, the limiting ring 66 is sleeved on the periphery of the middle part of the thimble 61, and the periphery of the limiting ring 66 is in sliding connection with the inner periphery of the guide sleeve 65; a buffer spring 67 is arranged between the limiting ring 66 and the top of the guide sleeve 65; the lower end of the thimble 61 is fixed on a connecting plate 62, and the bottom of the connecting plate 62 is connected with a first sliding piece 64 through a connecting column 63;
the first sliding member 64 abuts against the base 2, and the first sliding member 64 is driven by the power member 92 to ascend or descend in the vertical direction.
In the utility model, the buffer spring 67 is arranged between the limiting ring 66 and the top of the guide sleeve 65, when the first sliding part 64 starts to drive the thimble 61 to move upwards, the limiting ring 66 extrudes the buffer spring 67, then the limiting ring 66 drives the thimble 61 to move upwards, and the buffer spring 67 ensures that the process of the thimble 61 moving upwards is more stable. At the same time, the guide sleeve 65 has a guiding function.
When the injection-molded part is taken out, the first sliding part 64 descends under the action of gravity, and the buffer spring 67 extends to help the thimble 61 move downwards, so as to ensure that the thimble 61 returns to the initial position smoothly and is ready for the next injection molding.
In an alternative embodiment, the first sliding member 64 is a ball or a trapezoidal sliding block, which ensures the smooth linkage between the first sliding member 64 and the power member 92, and ensures the normal operation of the device.
In an alternative embodiment, the ejector pins 61 are arranged in a matrix arrangement at equal intervals.
It should be noted that the plurality of ejector pins 61 apply force to the ejector plate 41 uniformly, so that the injection molding piece is not inclined when being ejected, and the casting piece is prevented from being stuck in the lower mold 4.
In an alternative embodiment, the pusher assembly 7 comprises a moving member 71 and a push plate 74; the moving piece 71 is arranged on the lower surface of the frame 1 in a transverse sliding manner, and the push plate 74 is arranged at the end part of the moving piece 71; one side of the moving element 71 facing the straight rod 82 is provided with a second inclined surface 70;
the linkage assembly 8 comprises a straight rod 82 and a second sliding piece 81; a positioning guide cylinder 83 is arranged on the workbench 5; the straight rod 82 is matched and penetrates through the positioning guide cylinder 83; the upper end of the straight rod 82 is provided with a ball or a roller;
the lower end of the straight rod 82 is connected with a second sliding part 81; the second sliding part 81 abuts against the base 2, and the second sliding part 81 is driven by the power part 92 to ascend or descend along the vertical direction.
In the process that the straight rod 82 moves upwards, the straight rod 82 presses the second inclined surface 70 and pushes the moving member 71 to move in the direction towards the lower die 4, and the moving member 71 drives the push plate 74 to push the injection molding part, so that the injection molding part falls on the conveyor belt assembly 10;
the positioning guide cylinder 83 has guiding and stabilizing functions, and ensures that the straight rod 82 moves vertically upwards and does not shake; the upper end of the straight rod 82 is provided with a ball or a roller to reduce the friction between the straight rod and the second inclined plane 70, convert sliding friction into rolling friction, reduce energy consumption, ensure normal operation of the equipment, avoid the phenomenon of jamming, and improve the stability and safety of the operation of the equipment.
In an alternative embodiment, the second sliding member 81 is a ball or a trapezoidal sliding block, which ensures smooth linkage between the second sliding member 81 and the power member 92, and ensures normal operation of the device.
In an alternative embodiment, a fixed mount 72 and a spring 73 are also included; the fixed frame 72 is vertically arranged on the frame 1; the spring 73 is horizontally arranged; two groups of springs 73 are arranged and are respectively positioned at two sides of the moving piece 71;
the width of the push plate 74 is greater than the end of the moving member 71, one end of the spring 73 is connected with the push plate 74, and the other end of the spring 73 is connected with the fixed frame 72.
In the present invention, when the moving member 71 moves in the direction of the lower mold 4, the spring 73 is stretched to buffer the movement of the moving member 71, thereby buffering the instability of the moving member 71 caused at the moment when the moving member 71 starts to move. When the sliding member 81 moves downwards, the spring 73 contracts to drive the moving member 71 to return to the initial position, so that preparation is made for the next casting injection molding process, and the overall processing efficiency of the device is improved.
In an alternative embodiment, the second inclined surface 70 of the moving member 71 is coated with solid lubricant to further reduce friction and ensure the normal operation of the device.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. An injection mold ejection mechanism is characterized by comprising a rack (1), an upper film (3), a lower die (4), a base (2), a workbench (5), a thimble assembly (6), a linkage assembly (8) and a material pushing assembly (7);
the frame (1) is provided with a power device for driving the upper film (3) to move along the vertical direction;
the lower die (4) is arranged on the upper surface of the workbench (5), the lower die (4) is positioned right below the upper film (3), and a top plate (41) is arranged in the lower die (4);
the workbench (5) is arranged on the base (2); a mounting rack (50) is arranged below the workbench (5);
the thimble assembly (6) is connected with the mounting rack (50) in a sliding manner along the vertical direction; the upper end of the thimble assembly (6) extends into the lower die (4) and is connected with the top plate (41); the lower end of the thimble assembly (6) is abutted against the base (2);
the linkage assembly (8) is connected with the workbench (5) in a sliding manner along the vertical direction; the upper end of the linkage component (8) is linked with the pushing component (7), and the lower end of the pushing component (7) is abutted against the base (2);
the base (2) is provided with a power assembly component (9) for driving the thimble component (6) and the linkage component (8) to move upwards;
a conveyor belt assembly (10) is arranged below the rack (1), and the conveyor belt assembly (10) and the lower die (4) are arranged side by side.
2. An injection mold ejection mechanism as claimed in claim 1, wherein the power assembly (9) includes a cylinder assembly (91) and a power component (92);
the power component (92) is strip-shaped, and the upper surface of the power component (92) is a horizontal plane (93); one end of the power component (92) is connected with a piston rod of the cylinder assembly (91), and the other end of the power component is gradually inclined downwards along the direction far away from the cylinder assembly (91) to form a first inclined surface (90).
3. An injection mold ejection mechanism as claimed in claim 2, wherein a plurality of rollers or balls are provided at equal intervals on the first inclined surface (90) and the horizontal surface (93) of the power part (92).
4. An injection mold ejection mechanism according to claim 2, wherein the ejector pin assembly (6) comprises an ejector pin (61), a guide sleeve (65), a retainer ring (66), a connecting plate (62), a connecting column (63), and a first slider (64);
the upper end of the thimble (61) is connected with the bottom of the top plate (41); the middle part of the thimble (61) penetrates through the guide sleeve (65), the limiting ring (66) is sleeved on the outer periphery of the middle part of the thimble (61), and the outer periphery of the limiting ring (66) is in sliding connection with the inner periphery of the guide sleeve (65); a buffer spring (67) is arranged between the limiting ring (66) and the top of the guide sleeve (65); the lower end of the thimble (61) is fixed on a connecting plate (62), and the bottom of the connecting plate (62) is connected with a first sliding piece (64) through a connecting column (63);
the first sliding part (64) abuts against the base (2), and the first sliding part (64) is driven by the power part (92) to ascend or descend along the vertical direction.
5. An injection mold ejection mechanism as claimed in claim 4, wherein the first slide (64) is a ball or trapezoidal slide.
6. An injection mold ejection mechanism according to claim 4, wherein the ejector pins (61) are provided in plurality at equal intervals and in a matrix arrangement.
7. An injection mold ejection mechanism as claimed in claim 2, wherein the pusher assembly (7) comprises a moving member (71) and a push plate (74); the moving piece (71) is arranged on the lower surface of the rack (1) in a transverse sliding mode, and the push plate (74) is arranged at the end of the moving piece (71); one side of the moving piece (71) facing the straight rod (82) is provided with a second inclined surface (70);
the linkage assembly (8) comprises a straight rod (82) and a second sliding piece (81); a positioning guide cylinder (83) is arranged on the workbench (5); the straight rod (82) is matched and penetrates through the positioning guide cylinder (83); the upper end of the straight rod (82) is provided with a ball or a roller;
the lower end of the straight rod (82) is connected with a second sliding piece (81); the second sliding part (81) abuts against the base (2), and the second sliding part (81) is driven by the power part (92) to ascend or descend along the vertical direction.
8. An injection mold ejection mechanism as claimed in claim 7, wherein the second slide member (81) is a ball or a trapezoidal slider.
9. An injection mold ejection mechanism as claimed in claim 7, further comprising a mount (72) and a spring (73); the fixed frame (72) is vertically arranged on the rack (1); the spring (73) is horizontally arranged; the two groups of springs (73) are arranged and are respectively positioned at two sides of the moving piece (71);
the width of the push plate (74) is larger than the end part of the moving piece (71), one end of the spring (73) is connected with the push plate (74), and the other end of the spring (73) is connected with the fixed frame (72).
10. An injection mold ejection mechanism as claimed in claim 7, wherein the second inclined surface (70) of the moving member (71) is coated with solid lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357322.3U CN215320378U (en) | 2021-06-17 | 2021-06-17 | Injection mold ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357322.3U CN215320378U (en) | 2021-06-17 | 2021-06-17 | Injection mold ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215320378U true CN215320378U (en) | 2021-12-28 |
Family
ID=79558957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121357322.3U Active CN215320378U (en) | 2021-06-17 | 2021-06-17 | Injection mold ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215320378U (en) |
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2021
- 2021-06-17 CN CN202121357322.3U patent/CN215320378U/en active Active
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