CN220973212U - Mould secondary ejection mechanism - Google Patents
Mould secondary ejection mechanism Download PDFInfo
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- CN220973212U CN220973212U CN202322715680.2U CN202322715680U CN220973212U CN 220973212 U CN220973212 U CN 220973212U CN 202322715680 U CN202322715680 U CN 202322715680U CN 220973212 U CN220973212 U CN 220973212U
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- locking
- seat
- sleeve
- ejector plate
- ejection mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 54
- 210000001503 joint Anatomy 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of die manufacturing, and particularly relates to a die secondary ejection mechanism, which comprises a primary ejector plate; the secondary ejector plate is positioned above the primary ejector plate; the driving part is used for being fixed on the die body, and the driving end of the driving part is connected with the secondary thimble plate; the secondary ejection assembly comprises a locking sleeve and a locking seat, wherein the locking sleeve is connected to the primary ejector plate, the locking seat is connected to the secondary ejector plate, the locking seat is provided with a rolling pin, the locking sleeve is provided with a limiting groove, and the rolling pin is clamped and matched with the limiting groove in a natural state; when in a tension state, the rolling pin is separated from the limiting groove. The utility model can ensure the smooth completion of the secondary ejection action of the product, thereby ensuring the normal demolding production of the product and prolonging the service life of the mold.
Description
Technical Field
The utility model belongs to the technical field of mold manufacturing, and particularly relates to a mold secondary ejection mechanism.
Background
After the injection molding production of the general plastic product is finished, the product is cooled by a mold cooling system, then the mold is opened, the mold ejection system ejects the product by ejecting, the product is taken out after the product is ejected in place, and finally the ejection system resets to carry out the production of the next product. The ejection system is only suitable for products with simple structures, and the products can be ejected in place only by one ejection action.
When the product structure is complicated, the required ejection structure of product is more, if the mould only uses ejection system once, can lead to the unable installation of some ejection structure of mould, and the required ejection stroke in product part drawing of patterns position is longer, and ejection system once can not satisfy the drawing of patterns stroke of product, leads to the product to not normally drawing of patterns.
Disclosure of utility model
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a secondary ejection mechanism for a mold, which is used for solving the technical problem that in the prior art, a product with a complex structure is difficult to meet the demolding stroke of the product by means of a primary ejection mechanism, so that normal demolding cannot be performed.
To achieve the above object and other related objects, the present utility model provides the following technical solutions:
A mold secondary ejection mechanism comprising:
A primary ejector plate;
The secondary ejector plate is positioned above the primary ejector plate;
the driving part is used for being fixed on the die body, and the driving end of the driving part is connected with the secondary thimble plate;
The secondary ejection assembly comprises a locking sleeve and a locking seat, wherein the locking sleeve is connected to the primary ejector plate, the locking seat is connected to the secondary ejector plate, the locking seat is provided with a rolling pin, the locking sleeve is provided with a limiting groove, and the rolling pin is clamped and matched with the limiting groove in a natural state; and in a tension state, the rolling pin is separated from the limiting groove.
Optionally, the secondary ejection mechanism of the die further comprises a driving piece, wherein the driving piece is used for being fixed on the die body, and the driving end of the driving piece is connected with the secondary ejector pin plate.
Optionally, the locking sleeve comprises a sleeve body and a sleeve body accommodating groove formed in the sleeve body, the sleeve body accommodating groove penetrates through the sleeve body, and the locking seat penetrates through the sleeve body accommodating groove.
Optionally, protruding portions are respectively arranged on two opposite groove walls of the sleeve body accommodating groove, and each protruding portion is provided with the limiting groove.
Optionally, the limiting groove is in a U shape.
Optionally, a first mounting hole is further formed in the sleeve body, and the locking sleeve is connected with the primary thimble plate through the first mounting hole.
Optionally, the locking seat include the pedestal and set up in elastic rod in the pedestal, the inside of pedestal is equipped with and holds the chamber, the elastic rod is located hold the chamber, just the one end of elastic rod passes through the elastic component and connects on the pedestal, and the other end passes through auxiliary pin and roll round pin butt.
Optionally, a seat body accommodating groove for accommodating the rolling pins and the auxiliary pins is formed in the seat body, the rolling pins can be partially exposed or retracted into the seat body, and the two rolling pins are arranged and correspond to the limit grooves one by one; the auxiliary pins are arranged in two, and each auxiliary pin is located between the elastic rod and the corresponding rolling pin.
Optionally, the locking seat further comprises a stop block arranged on the seat body, the stop block is located at one end, close to the rolling pin, of the seat body, and one side, facing the rolling pin, of the stop block is matched with the rolling pin.
Optionally, the locking seat further comprises a cover plate, the cover plate covers the seat body accommodating groove, and the cover plate is connected with the seat body through a locking piece.
Optionally, a second mounting hole is further formed in the base body, and the locking base is connected with the secondary thimble plate through the second mounting hole.
As described above, the mold secondary ejection mechanism has the following beneficial effects:
The secondary ejection assembly is arranged, and the locking sleeve is connected with the locking seat in a natural state by utilizing the movable fit relation between the locking sleeve and the locking seat, so that the secondary ejector plate drives the primary ejector plate to move together to realize primary ejection; when the locking sleeve is in a tension state, the locking sleeve is separated from the locking seat, and further the secondary ejection is realized through the continuous movement of the secondary ejector plate; the product is ejected secondarily through the mold secondary ejection mechanism, so that the smooth completion of the secondary ejection action of the product can be ensured, and the normal demolding production of the product is ensured; the structure is simple in whole structure, can avoid the problem that the ejection motion part is rubbed and pulled during repeated ejection and resetting processes in the production of products, and prolongs the service life of the die.
Drawings
FIG. 1 is a schematic diagram of a secondary ejection assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second ejection assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a portion of a secondary ejection assembly according to an embodiment of the present utility model (with the base removed);
FIG. 4 is a schematic diagram of a portion of a secondary ejection assembly according to an embodiment of the present utility model (with the seat removed);
FIG. 5 is a schematic view of a lock sleeve according to an embodiment of the present utility model;
FIG. 6 is a schematic view showing an external structure of a locking seat according to an embodiment of the present utility model;
FIG. 7 is a schematic view showing an internal structure of a locking seat according to an embodiment of the present utility model (with a cover removed);
FIG. 8 is a schematic diagram illustrating an application of a mold secondary ejection mechanism according to an embodiment of the present utility model;
Fig. 9 is an enlarged view of a in fig. 8.
Description of the reference numerals
100-A secondary ejection assembly; 10, a locking sleeve; 11-a sleeve body; 111-a sleeve accommodating groove; 12-a boss; 13-a limit groove; 14-a first mounting hole; 15-a first fastener; 20-locking seat; 21-a base; 211-a seat accommodating groove; 22-elastic rod; 23-rolling pins; 24-elastic member; 25-auxiliary pins; 26-a stop; 27-cover plate; 28-a second mounting hole; 29-a second fastener;
200-primary ejector plate; 300-secondary ejector plate; 400-driving member.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
In order to describe the present utility model in detail, the mold secondary ejection mechanism of the present utility model is specifically described as follows:
Referring to fig. 1 to 3, and fig. 8 and 9, the present utility model provides a secondary ejection mechanism for a mold, including a primary ejector plate 200, a secondary ejector plate 300, a driving member 400, and a secondary ejection assembly 100, wherein the secondary ejector plate 300 is located above the primary ejector plate 200; the driving piece 400 is used for being fixed on the die body, and the driving end of the driving piece 400 is connected with the secondary thimble plate 300; the secondary ejection assembly 100 comprises a locking sleeve 10 and a locking seat 20, wherein the locking sleeve 10 is connected to the primary ejector plate 200, the locking seat 20 is connected to the secondary ejector plate 300, the locking seat 20 is provided with a rolling pin 23, the locking sleeve 10 is provided with a limiting groove 13, and the rolling pin 23 is in clamping fit with the limiting groove 13 in a natural state; in tension, the rolling pin 23 is separated from the limiting groove 13.
Specifically, the locking sleeve 10 may be connected to the primary ejector plate 200 by a fastener such as a screw, the locking seat 20 may be connected to the secondary ejector plate 300 by a fastener such as a screw, the driving member 400 is fixed on the mold body, and the driving end of the driving member 400 is connected to the secondary ejector plate 300. The driving member 400 may be an oil cylinder, the fixed end of the oil cylinder is fixed on the die body, and the driving end of the oil cylinder is connected with the secondary thimble plate 300. In a natural state, the driving piece 400 drives the secondary ejector plate 300 to eject, and the rolling pin 23 on the locking seat 20 is in clamping fit with the limiting groove 13 on the locking sleeve 10, so that the secondary ejector plate 300 drives the primary ejector plate 200 to eject synchronously. When the ejection distance reaches the limit distance of the limit post on the primary ejector plate 200, the primary ejector plate 200 is limited and is not ejected any more, the secondary ejector plate 300 is driven by the driving piece 400 to move continuously, at this time, the locking seat 20 is in a tension state, the rolling pin 23 on the locking seat 20 is separated from the limit sleeve on the locking sleeve 10, so that the secondary ejector plate 300 and the primary ejector plate 200 are separated from each other, and the secondary ejector plate 300 continues to perform ejection movement under the action of the driving piece 400 until the ejection movement is completed. When the die secondary ejection mechanism performs resetting movement, the rolling pin 23 on the locking seat 20 is matched and clamped with the limit sleeve on the locking sleeve 10 again, so that the secondary ejector plate 300 and the locking sleeve 10 are matched and clamped
Referring to fig. 5, in some embodiments, the locking sleeve 10 includes a sleeve body 11 and a sleeve body accommodating groove 111 formed on the sleeve body 11, the sleeve body accommodating groove 111 penetrates the sleeve body 11, and the locking seat 20 is disposed in the sleeve body accommodating groove 111 in a penetrating manner. Specifically, the sleeve body 11 of the locking sleeve 10 is rectangular, the sleeve body accommodating groove 111 is formed in the middle of the sleeve body 11, the sleeve body accommodating groove 111 penetrates through the sleeve body 11 along the width direction of the sleeve body 11, and one end of the locking seat 20 is penetrated in the sleeve body accommodating groove 111.
With continued reference to fig. 5, in the above embodiment, two opposite groove walls of the sleeve accommodating groove 111 are respectively provided with a protruding portion 12, and each protruding portion 12 is provided with the limiting groove 13. Specifically, the two opposite groove walls of the sleeve body accommodating groove 111 are provided with inwards protruding parts 12, the limiting groove 13 is arranged on the protruding parts 12, and the locking seat 20 can be connected with the locking sleeve 10 through the clamping fit of the rolling pin 23 arranged on the locking seat 20 and the limiting groove 13 arranged on the locking sleeve 10, so that the connection of the secondary ejector plate 300 and the primary ejector plate 200 is realized; the locking seat 20 and the locking sleeve 10 can be separated by separating the rolling pin 23 from the limit groove 13, thereby separating the secondary ejector plate 300 from the primary ejector plate 200.
In this embodiment, the limiting groove 13 is U-shaped. The structure is more beneficial to the clamping and separating of the rolling pin 23 and the limiting groove 13.
In the above embodiment, the sleeve body 11 is further provided with a first mounting hole 14, and the locking sleeve 10 is connected to the primary ejector plate 200 through the first mounting hole 14. Specifically, in order to facilitate connection between the locking sleeve 10 and the primary ejector plate 200, the sleeve body 11 is provided with a first mounting hole 14, in this embodiment, the sleeve body 11 is provided with two first mounting holes 14, and the two first mounting holes 14 are arranged oppositely, and the locking sleeve 10 can be connected to the primary ejector plate 200 by penetrating the first mounting holes 14 with first fasteners 15 (such as screws).
Referring to fig. 4, 6 and 7, in some embodiments, the locking seat 20 includes a seat 21 and an elastic rod 22 disposed in the seat 21, a receiving cavity is disposed in the seat 21, the elastic rod 22 is disposed in the receiving cavity, one end of the elastic rod 22 is connected to the seat 21 through an elastic member 24, and the other end of the elastic rod is abutted to the rolling pin 23 through an auxiliary pin 25. Specifically, the seat 21 is T-shaped, one end of the elastic rod 22 is slidably inserted with a locking member, the locking member is fixed on the seat 21, an elastic member 24 is sleeved between the locking member and the elastic rod 22, the elastic member 24 can adopt a spring, and the other end of the elastic rod 22 is abutted to the rolling pin 23 through an auxiliary pin 25. With the structure, the rolling pin 23 is forced by the elastic rod 22 and the auxiliary pin 25, and in a natural state, the rolling pin 23 is pressed and partially exposed out of the seat body 21 due to the pressure of the elastic rod 22 to be clamped with the limit groove 13 on the locking sleeve 10; in the tensioned state, the rolling pin 23 is in tension to compress the elastic rod 22 and disengage from the limit groove 13.
Referring to fig. 7, in the above embodiment, the seat body 21 is provided with a seat body accommodating groove 211 for accommodating the rolling pin 23 and the auxiliary pin 25, the rolling pin 23 can be partially exposed or retracted into the seat body 21, and the rolling pin 23 is provided with two rolling pins and corresponds to the limiting grooves 13 one by one; the auxiliary pins 25 are provided in two, and each auxiliary pin 25 is located between the elastic rod 22 and the corresponding rolling pin 23. Specifically, the rolling pin 23 and the auxiliary pin 25 are accommodated in the seat accommodating groove 211, the outer diameter of the auxiliary pin 25 is smaller than the outer diameter of the rolling pin 23, and the auxiliary pin 25 is connected with the rolling pin 23 and the elastic rod 22 through the auxiliary pin 25, so that the auxiliary pin 25 and the rolling pin 23
It should be noted that, referring to fig. 7, the locking seat 20 further includes a stop block 26 disposed on the seat body 21, the stop block 26 is located at one end of the seat body 21 near the rolling pin 23, and one side of the stop block 26 facing the rolling pin 23 is adapted to the rolling pin 23. In particular, the stop 26 may act as a limit for the rolling pin 23.
It will be appreciated that referring to fig. 6, the locking seat 20 further includes a cover plate 27, the cover plate 27 covers the seat body accommodating groove 211, and the cover plate 27 is connected to the seat body 21 through a locking member. Specifically, the cover plate 27 covers the seat body accommodating groove 211, the rolling pin 23 and the auxiliary pin 25 can be blocked in the seat body 21, the locking member can be a screw, a cover plate hole is formed in the cover plate 27, a seat body hole is formed in the seat body 21, the cover plate hole corresponds to the seat body hole, and the cover plate 27 is connected to the seat body 21 by penetrating the locking member. And, a side provided with the cover plate 27 is adjacent to the lock sleeve 10.
In addition, the seat body 21 is further provided with a second mounting hole 28, and the locking seat 20 is connected with the secondary thimble plate 300 through the second mounting hole 28. Specifically, in order to facilitate connection between the locking seat 20 and the secondary ejector plate 300, the seat body 21 is provided with a second mounting hole 28, in this embodiment, the seat body 21 is provided with two second mounting holes 28, and the two second mounting holes 28 are arranged oppositely, and the locking seat 20 can be connected to the secondary ejector plate 300 by penetrating the second mounting holes 28 with second fasteners 29 (such as screws).
As shown in fig. 8 and 9, according to the working condition requirement, the locking sleeves 10 are connected to two sides of the primary ejector plate 200, and the locking seats 20 are connected to two sides of the secondary ejector plate 300, in this embodiment, two locking sleeves 10 are disposed on the same side of the primary ejector plate 200, and two locking seats 20 are disposed on the same side of the secondary ejector plate 300. The driving member 400 is located at the middle of the primary and secondary ejector plates 200 and 300.
In the prior art, a bumper product is taken as an example, the product is ejected through a mold ejection system after the mold is injection molded and cooled, and the product is ejected secondarily due to the structural reason of the product, so that the normal demolding production of the product is ensured, and a secondary ejection mechanism is added to the mold during the design and manufacture of the mold in order to ensure the completion of the secondary ejection action of the product. And the product is ejected secondarily through the mold secondary ejection mechanism, so that the normal demolding of the product is realized. The secondary ejection mechanism solves the problem of the requirement of secondary ejection of the complex product on the die ejection system through the primary one-time low-cost investment, ensures the product quality and prolongs the service life of the die.
In summary, according to the secondary ejection mechanism for a mold provided by the utility model, the secondary ejection assembly 100 is provided, and the movable fit relationship between the locking sleeve 10 and the locking seat 20 is utilized, so that the locking sleeve 10 is connected with the locking seat 20 in a natural state, and the secondary ejector plate 300 drives the primary ejector plate 200 to move together, thereby realizing primary ejection; when the locking sleeve 10 is in a tension state, the locking sleeve is separated from the locking seat 20, and further the secondary ejection is realized through the continuous movement of the secondary ejector plate 300; the product is ejected secondarily through the mold secondary ejection mechanism, so that the smooth completion of the secondary ejection action of the product can be ensured, and the normal demolding production of the product is ensured; the structure is simple in whole structure, can avoid the problem that the ejection motion part is rubbed and pulled during repeated ejection and resetting processes in the production of products, and prolongs the service life of the die.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A mold secondary ejection mechanism, comprising:
A primary ejector plate;
The secondary ejector plate is positioned above the primary ejector plate;
the driving part is used for being fixed on the die body, and the driving end of the driving part is connected with the secondary thimble plate;
The secondary ejection assembly comprises a locking sleeve and a locking seat, wherein the locking sleeve is connected to the primary ejector plate, the locking seat is connected to the secondary ejector plate, the locking seat is provided with a rolling pin, the locking sleeve is provided with a limiting groove, and the rolling pin is clamped and matched with the limiting groove in a natural state; and in a tension state, the rolling pin is separated from the limiting groove.
2. The secondary ejection mechanism of claim 1, wherein the locking sleeve comprises a sleeve body and a sleeve body accommodating groove formed in the sleeve body, the sleeve body accommodating groove penetrates through the sleeve body, and the locking seat penetrates into the sleeve body accommodating groove.
3. The secondary ejection mechanism of claim 2, wherein two opposite groove walls of the sleeve accommodating groove are respectively provided with a protruding part, and each protruding part is respectively provided with the limiting groove.
4. A mould secondary ejection mechanism as in claim 1 or 3, wherein the limit slot is U-shaped.
5. The secondary ejection mechanism of claim 2, wherein the sleeve body is further provided with a first mounting hole, and the locking sleeve is connected with the primary ejector plate through the first mounting hole.
6. The mold secondary ejection mechanism of claim 1, wherein the locking seat comprises a seat body and an elastic rod arranged in the seat body, a containing cavity is formed in the seat body, the elastic rod is located in the containing cavity, one end of the elastic rod is connected to the seat body through an elastic piece, and the other end of the elastic rod is in butt joint with the rolling pin through an auxiliary pin.
7. The secondary ejection mechanism of claim 6, wherein the base is provided with a base accommodating groove for accommodating the rolling pins and the auxiliary pins, the rolling pins can be partially exposed or retracted to the base, and the rolling pins are provided with two rolling pins and correspond to the limiting grooves one by one; the auxiliary pins are arranged in two, and each auxiliary pin is located between the elastic rod and the corresponding rolling pin.
8. The mold secondary ejection mechanism of claim 7, wherein the locking seat further comprises a stop disposed on the seat body, the stop being located at an end of the seat body adjacent to the rolling pin, and wherein a side of the stop facing the rolling pin is adapted to the rolling pin.
9. The mold secondary ejection mechanism of claim 7, wherein the locking seat further comprises a cover plate, the cover plate covers the seat body accommodating groove, and the cover plate is connected with the seat body through a locking member.
10. The secondary ejection mechanism of claim 6, wherein the seat body is further provided with a second mounting hole, and the locking seat is connected with the secondary ejector plate through the second mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322715680.2U CN220973212U (en) | 2023-10-10 | 2023-10-10 | Mould secondary ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322715680.2U CN220973212U (en) | 2023-10-10 | 2023-10-10 | Mould secondary ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220973212U true CN220973212U (en) | 2024-05-17 |
Family
ID=91062491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322715680.2U Active CN220973212U (en) | 2023-10-10 | 2023-10-10 | Mould secondary ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220973212U (en) |
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2023
- 2023-10-10 CN CN202322715680.2U patent/CN220973212U/en active Active
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