Mechanical opening and closing structure for inclined drawing of front and rear molds
By designing a mechanical opening and closing structure for front and rear molds, including an oblique extraction synchronous structure and drive device, the synchronous ejection of the thimble, product and rear molds is realized, which solves the problem of separation between the thimble and the product in the prior art, and improves the synchronization and efficiency of mold opening and closing.
Patent Information
- Application Number
- CN202420614021.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-03-27
AI Technical Summary
The prior art cannot achieve synchronous ejection of the thimble, product and rear mold inclined ejection, resulting in separation of the thimble from the product. The thimble hits the product when the product is ejected and cannot be ejected simultaneously.
A mechanical opening and closing structure for front and rear mold inclined pulling is designed, including an upper fixing plate, A plate, B plate, pallet, mold angle, lower fixing plate, oblique extraction synchronization structure and driving device. By supporting the product by the first ejector rod, the first drive device and the A plate move downward to realize the sliding of the front mold core pulling core pulling, and the product is turned upside down; then, the second drive device is pressed downward, and the rear mold core pulling core pulling slides, so that the synchronous ejection of the thimble, product and rear mold inclined ejection is achieved.
The thimble, product and rear mold simultaneous ejection is realized, which solves the problem of separation between the thimble and the product in the prior art, and improves the synchronization and efficiency of mold opening and closing.
Smart Images
Figure CN222807526U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mold devices, in particular to a mechanical opening and closing structure for obliquely drawing front and rear molds. Background Art
[0002] The prior art rear mold oblique core pulling structure uses a standard mold locker to control the mold opening twice. The first time, the rear mold plate and the carrier plate are opened and the core is pulled, and the limit screw controls the mold opening distance. The second time, the front and rear molds are opened to eject the product. There are the following technical defects: after the first mold opening, the product and the ejector are separated. When the product is ejected, the ejector hits the product and then ejects it, and the ejector, product, and rear mold inner oblique pulling cannot be synchronously ejected.
[0003] Therefore, how to design a mechanical opening and closing method for synchronous ejection of the ejector pin, product, and rear mold inner oblique drawer, and for the front and rear mold oblique drawers, has become an urgent problem to be solved. Utility Model Content
[0004] In view of the problems existing in the prior art, the utility model provides a mechanical opening and closing structure for obliquely drawing front and rear molds to solve at least one of the above technical problems.
[0005] The technical scheme of the utility model is: a mechanical opening and closing structure of front and rear mold oblique drawing, comprising an upper fixed plate, wherein the upper fixed plate is sequentially provided with A plate, B plate, supporting plate, mold angle, and lower fixed plate downwardly, a front mold core is arranged in the A plate, a rear mold core is arranged in the B plate, and the front mold core and the rear mold core can be superimposed up and down as one body; an oblique drawing synchronization structure is arranged in the supporting plate, and the oblique drawing synchronization structure comprises a rear mold oblique core pulling base arranged at intervals, the rear mold oblique core pulling base is sequentially connected with the front mold oblique core pulling base through the rear mold oblique core pulling and the front mold oblique core pulling, the front mold oblique core pulling base is located in the upper fixed plate, and one end of the two rear mold oblique core pullings close to the rear mold oblique core pulling base is connected to the two ends of the product, and an inlay is arranged in the rear mold core. The insert is in contact with the bottom surface of the product; the mold angles are located on both sides of the support plate, and an ejector panel and an ejector bottom plate are arranged in sequence from top to bottom in the space between the support plate and the lower fixed plate; a number of first ejector rods are placed on the ejector panel, and the first ejector rods are in contact with the product; a number of second ejector rods are placed on the ejector panel, and the second ejector rods pass through the support plate, the B plate, and the rear mold core in sequence and then contact the bottom surface of the toggle assembly, and the toggle assembly includes an inclined "7"-shaped support foot, and the end of the "7"-shaped support foot is in contact with the product; a first driving device is arranged on the support plate, and the first driving device is connected to the A plate; the ejector panel and the ejector bottom plate are connected to form an ejector device, and a second driving device is arranged on the ejector device, and the second driving device is connected to the B plate.
[0006] The utility model adopts a first ejector rod to support the product. When the mold is opened, the first driving device and the A plate move downward together to realize the mold opening action of the first driving device and the B plate, and the front mold oblique core slides through the T-slot in the front mold oblique core base to realize the product inverted demoulding; after the mold is opened, the ejector rod of the injection molding machine pushes the ejector panel and the ejector bottom plate to move, and at the same time the second driving device presses downward, and the rear mold oblique core slides through the T-slot in the rear mold oblique core base, realizing the mechanical opening and closing structure of synchronous ejection of the ejector, the product, and the rear mold oblique core. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1 It is the front view of the installation structure of the utility model.
[0008] Figure 2 for Figure 1 Top view of the .
[0009] Figure 3 for Figure 1 Left view of .
[0010] Figure 4 This is a three-dimensional diagram of the utility model's inclined drawer synchronous structure.
[0011] Figure 5 for Figure 4 main view.
[0012] Figure 6 for Figure 4 Left view of .
[0013] Figure 7 for Figure 4 Right view of .
[0014] In the figure: 1. Upper fixed plate; 2. Plate A; 3. Plate B; 4. Support plate; 5. Die angle; 6. Ejector panel; 7. Ejector bottom plate; 8. Lower fixed plate; 9. Front die oblique core pull base; 10. Front die oblique core pull; 11. Front die core; 12. Back die core; 13. Back die oblique core pull; 14. Back die oblique core pull base; 15. Product; 16. Insert; 17. First ejector pin; 18. Second ejector pin; 19. Toggle group Components; 20. First spring; 21. First drive device; 22. Second drive device; 23. Third guide rod; 2101. Front trigger handle; 2102. Tongue fixing seat; 2103. First tongue; 2104. Rear trigger handle; 2105. Headless screw; 2106. Second spring; 2201. Left trigger handle; 2202. Second tongue; 2203. Third spring; 2204. Push rod. DETAILED DESCRIPTION
[0015] The utility model is further described below in conjunction with the accompanying drawings.
[0016] See also Figure 1-7The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.
[0017] Embodiment 1: A mechanical opening and closing structure for front and rear molds to be drawn obliquely, referring to Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7, including an upper fixed plate 1, wherein the upper fixed plate 1 is sequentially provided with an A plate 2, a B plate 3, a supporting plate 4, a mold angle 5, and a lower fixed plate 8 downwardly, a front mold core 11 is provided in the A plate 2, and a rear mold core 12 is provided in the B plate 3, and the front mold core 11 and the rear mold core 12 can be superimposed up and down as a whole; an oblique withdrawal synchronization structure is provided in the supporting plate 4, and the oblique withdrawal synchronization structure includes a rear mold oblique core pulling base 14 arranged at intervals, and the rear mold oblique core pulling base 14 is connected to the front mold oblique core pulling base 9 through the rear mold oblique core pulling 13 and the front mold oblique core pulling 10 in sequence, and the front mold oblique core pulling base 9 is located in the upper fixed plate 1, and one end of the two rear mold oblique core pulling 13 close to the rear mold oblique core pulling base 14 is connected to the two ends of the product 15, and an insert 16 is provided in the rear mold core 12, and the insert 16 contacts the bottom surface of the product 15 ; The mold angle 5 is located on both sides of the support plate 4, and the space between the support plate 4 and the lower fixed plate 8 is provided with an ejector panel 6 and an ejector bottom plate 7 from top to bottom; a plurality of first ejector rods 17 are placed on the ejector panel 6, and the first ejector rods 17 are in contact with the product 15; a plurality of second ejector rods 18 are placed on the ejector panel 6, and the second ejector rods 18 sequentially pass through the support plate 4, the B plate 3, and the rear mold core 12 and then contact with the bottom surface of the toggle assembly 19, and the toggle assembly 19 includes an inclined "7"-shaped support foot, and the end of the "7"-shaped support foot is in contact with the product 15; a first driving device 21 is provided on the support plate 4, and the first driving device 21 is connected to the A plate 2; the ejector panel 6 and the ejector bottom plate 7 are connected to form an ejector device, and a second driving device 22 is provided on the ejector device, and the second driving device 22 is connected to the B plate 3. The utility model adopts a first ejector rod to support the product. When the mold is opened, the first driving device and the A plate move downward together to realize the mold opening action of the first driving device and the B plate, and the front mold oblique core slides through the T-slot in the front mold oblique core base to realize the product inverted demoulding; after the mold is opened, the ejector rod of the injection molding machine pushes the ejector panel and the ejector bottom plate to move, and at the same time the second driving device presses downward, and the rear mold oblique core slides through the T-slot in the rear mold oblique core base, realizing the mechanical opening and closing structure of synchronous ejection of the ejector, the product, and the rear mold oblique core.
[0018] Embodiment 2: Based on Embodiment 1, refer to Figure 3The first driving device 21 includes a tongue fixing seat 2102, and the tongue fixing seat 2102 is fixed on the A plate 2. A front buckle handle 2101 and a first tongue 2103 are arranged on the side of the tongue fixing seat 2102 away from the A plate 2. One end of the front buckle handle 2101 is connected to the upper fixed plate 1, and the other end of the front buckle handle 2101 is provided with a first trapezoidal groove, and the first tongue 2103 is located in the first trapezoidal groove. The first tongue 2103 is a U-shaped structure, and the open ends of the U-shaped structure are in contact with the tongue fixing seat 2102. One end of the rear buckle handle 2104 is arranged in the opening of the U-shaped structure, and the other end of the rear buckle handle 2104 is connected to the A plate 2. The utility model adopts a tongue fixing seat fixed on the A plate, the other end of the rear buckle machine handle is connected to the A plate, and one end of the front buckle machine handle is fixed on the upper fixed plate. When the mold is opened, the rear buckle machine handle drives the first tongue and the A plate to move downward 12mm, and at the same time, the front buckle machine handle contacts the inclined surface to push the first tongue to move 4mm to the left. The rear buckle machine handle and the first tongue / B plate realize the mold opening action, and the front mold oblique core slides through the T-slot in the front mold oblique core base to realize the product inverted demoulding.
[0019] Embodiment 3: Based on Embodiment 2, a rectangular box cover is provided on the tongue fixing seat 2102, a headless screw 2105 is provided on the end surface of the rectangular box cover away from the front buckle handle 2101, and a second spring 2106 is provided between the headless screw 2105 and the first tongue 2103. The utility model adopts a rectangular box cover installed on the tongue fixing seat, which can not only fix the headless screw, but also cover the connection between the rear buckle handle and the first tongue, and the connection between the first tongue and the front buckle handle in the rectangular box cover.
[0020] Embodiment 4: Based on Embodiment 2, the second driving device 22 comprises a left-handle pull handle 2201, one end of which is fixed on the support plate 4, and the other end of the left-handle pull handle 2201 is provided with a second trapezoidal groove, in which a second tongue 2202 is provided, and the second tongue 2202 contacts the end surface of the rear mold core 12 through a third spring 2203. In the utility model, one end of the left-handle pull handle is fixed on the support plate, and the second tongue can contact the inclined surface of the second trapezoidal groove at the other end of the left-handle pull handle.
[0021] Embodiment 5, on the basis of embodiment 4, a rectangular through hole is provided between the middle of the left-handle machine handle 2201 and the support plate 4, a push rod 2204 is provided in the rectangular through hole, one end of the push rod 2204 contacts the lower bottom surface of the second tongue 2202, and the other end of the push rod 2204 is connected to the ejector device. The utility model adopts a rectangular through hole provided between the middle of the left-handle machine handle and the support plate, one end of the push rod contacts the lower bottom surface of the second tongue, and pushes the second tongue to contact the inclined surface of the second trapezoidal groove and press downward; when the mold is opened, the ejector rod of the injection molding machine pushes the ejector panel and the ejector bottom plate to move 12mm, and at the same time, the push rod pushes the second tongue to contact the inclined surface and press downward 9mm, and the rear mold oblique core slides through the T-slot in the rear mold oblique core base, realizing the mechanical opening and closing structure of the ejector, the product, and the rear mold inner oblique core synchronously ejected.
[0022] Embodiment 6: Based on Embodiment 1, a first guide rod is further provided in the lower fixed plate 8, and the first guide rod contacts the bottom surface of the B plate 3 after passing through the corresponding through hole on the support plate 4; a first spring 20 is provided on the first guide rod, and the first spring 20 is located between the support plate 4 and the ejector panel 6. The utility model adopts a first guide rod provided in the lower fixed plate to guide the support plate; and adopts a first spring located between the support plate and the ejector panel, so that after the distance between the support plate and the ejector panel is adjusted, the support plate and the ejector panel return to their original position under the action of the first spring.
[0023] Embodiment 7, on the basis of embodiment 1, a plurality of first bolts are arranged in the lower fixing plate 8, and the plurality of first bolts are locked with the support plate 4 after passing through the die angle 5; a plurality of second guide rods are also arranged in the lower fixing plate 8, and the second guide rods are contacted with the bottom surface of the support plate 4 after passing through the ejector bottom plate 7 and the ejector panel 6 in sequence. The utility model uses the first bolts to connect the lower fixing plate, the die angle, and the support plate as a whole; and the second guide rods are arranged in the lower fixing plate to guide the ejector bottom plate and the ejector panel.
[0024] Embodiment 8: Based on embodiment 1, the upper fixed plate 1 is provided with third guide rods 23 arranged at intervals, and the third guide rods 23 pass through the A plate 2 and are located in the B plate 3. The utility model adopts the third guide rods arranged in the upper fixed plate to guide the movement of the A plate.
[0025] Embodiment 9: Based on embodiment 1, the A plate 2 is provided with fourth guide rods arranged at intervals, and the fourth guide rods pass through the B plate 3 and are located in the support plate 4. The utility model adopts the fourth guide rods arranged in the A plate to guide the movement of the B plate.
[0026] Embodiment 10: Based on Embodiment 1, the front mold oblique core pulling base 9 is provided with an obliquely arranged first T-shaped groove, one end of the front mold oblique core pulling 10 is provided with a first T-shaped block, and the first T-shaped block is located in the first T-shaped groove; the rear mold oblique core pulling base 14 is provided with a horizontally arranged second T-shaped groove, one end of the rear mold oblique core pulling 13 is provided with a second T-shaped block, and the second T-shaped block is located in the second T-shaped groove. The utility model uses the obliquely arranged first T-shaped groove to guide one end of the mold oblique core pulling, and uses the horizontally arranged second T-shaped groove to guide one end of the rear mold oblique core pulling.
[0027] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A mechanical opening and closing structure for front and rear molds to be drawn obliquely, comprising an upper fixing plate (1), characterized in that: The upper fixed plate (1) is provided with an A plate (2), a B plate (3), a support plate (4), a mold angle (5), and a lower fixed plate (8) in sequence downwardly; a front mold core (11) is provided in the A plate (2), and a rear mold core (12) is provided in the B plate (3); the front mold core (11) and the rear mold core (12) can be superimposed up and down as a whole; an oblique withdrawal synchronization structure is provided in the support plate (4), and the oblique withdrawal synchronization structure includes a rear mold oblique core pulling base (14) arranged at a distance, and a rear mold oblique core pulling base (14) arranged at a distance. The core pulling base (14) is connected to the front mold oblique core pulling base (9) in sequence through the rear mold oblique core pulling (13) and the front mold oblique core pulling (10); the front mold oblique core pulling base (9) is located in the upper fixed plate (1); one end of the two rear mold oblique core pullings (13) close to the rear mold oblique core pulling base (14) is connected to the two ends of the product (15); an insert (16) is arranged in the rear mold core (12); the insert (16) contacts the bottom surface of the product (15); the mold angle (5) An ejector panel (6) and an ejector bottom plate (7) are arranged in sequence from top to bottom in the space between the support plate (4) and the lower fixed plate (8) on both sides of the support plate (4); a plurality of first ejector rods (17) are arranged on the ejector panel (6), and the first ejector rods (17) are in contact with the product (15); a plurality of second ejector rods (18) are arranged on the ejector panel (6), and the second ejector rods (18) pass through the support plate (4), the B plate (3), the rear mold core (12) in sequence and then contact the toggle The bottom surface of the assembly (19) is in contact with the product (15); the toggle assembly (19) includes an inclined "7"-shaped support foot, and the end of the "7"-shaped support foot is in contact with the product (15); a first driving device (21) is provided on the support plate (4), and the first driving device (21) is connected to the A plate (2); the ejector panel (6) and the ejector bottom plate (7) are connected to form an ejector device, and a second driving device (22) is provided on the ejector device, and the second driving device (22) is connected to the B plate (3).
2. A mechanical opening and closing structure for front and rear mold oblique draws according to claim 1, characterized in that: A first guide rod is also provided in the lower fixed plate (8), and the first guide rod contacts the bottom surface of the B plate (3) after passing through the corresponding through hole on the support plate (4); a first spring (20) is provided on the first guide rod, and the first spring (20) is located between the support plate (4) and the ejector panel (6).
3. The mechanical opening and closing structure of the front and rear mold oblique drawer according to claim 1, characterized in that: A plurality of first bolts are arranged in the lower fixing plate (8), and the first bolts are locked with the support plate (4) after passing through the mold angle (5); a plurality of second guide rods are also arranged in the lower fixing plate (8), and the second guide rods are contacted with the bottom surface of the support plate (4) after passing through the ejector bottom plate (7) and the ejector face plate (6) in sequence.
4. The mechanical opening and closing structure of the front and rear mold oblique drawer according to claim 1, characterized in that: The upper fixed plate (1) is provided with third guide rods (23) arranged at intervals. The third guide rods (23) pass through the A plate (2) and are located in the B plate (3).
5. The mechanical opening and closing structure of the front and rear mold oblique drawer according to claim 1 is characterized in that: The A plate (2) is provided with fourth guide rods arranged at intervals, and the fourth guide rods are located in the support plate (4) after passing through the B plate (3).
6. The mechanical opening and closing structure of the front and rear mold oblique drawer according to claim 1, characterized in that: The front mold oblique core pulling base (9) is provided with an obliquely arranged first T-shaped groove, and one end of the front mold oblique core pulling (10) is provided with a first T-shaped block, and the first T-shaped block is located in the first T-shaped groove.
7. The mechanical opening and closing structure of the front and rear mold oblique drawer according to claim 1 is characterized in that: A second T-shaped slot arranged horizontally is arranged in the rear mold oblique core pulling base (14), and a second T-shaped block is arranged at one end of the rear mold oblique core pulling (13), and the second T-shaped block is located in the second T-shaped slot.