CN215283200U - Secondary ejection structure for removing product with inner inverted buckle in mold - Google Patents
Secondary ejection structure for removing product with inner inverted buckle in mold Download PDFInfo
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- CN215283200U CN215283200U CN202122940067.1U CN202122940067U CN215283200U CN 215283200 U CN215283200 U CN 215283200U CN 202122940067 U CN202122940067 U CN 202122940067U CN 215283200 U CN215283200 U CN 215283200U
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Abstract
The utility model discloses a secondary ejection structure for removing products with inner inverted buckles in a mold, which comprises a first mounting plate and a second mounting plate which are sequentially close to a first template along a first direction, an inclined ejection component connected on the first mounting plate, and an ejector pin piece connected on the second mounting plate, wherein the inclined ejection component comprises at least one inclined ejector pin which gradually inclines inwards along the first direction; the secondary ejection structure further comprises a driving mechanism for driving the second mounting plate to move towards the first template along the first direction, and a locking mechanism for locking the first mounting plate and the second mounting plate; the locking mechanism is used for releasing the locking state between the first mounting plate and the second mounting plate after the driving mechanism drives the second mounting plate to move towards the first template for a first distance; the driving mechanism is used for driving the second mounting plate to move towards the first template for a second distance after the first mounting plate and the second mounting plate are unlocked. This ejecting structure of secondary, simple structure, the drawing of patterns step is comparatively simple.
Description
Technical Field
The utility model relates to a secondary ejection structure that is arranged in desorption mould to have interior back-off product.
Background
The adapter in the wiper component is connected with other components by the forced press fit of the inner buckles designed on the two sides of the parts, and the appearance of the wiper component is more attractive after assembly. However, since the parts are small and the two sides are provided with the inner inverted buckles, the products are not easy to take out after injection molding, and a special structure is needed to solve the problems in the design of the mold.
In the prior art, for a product with an inner inverted buckle structure, the inner inverted buckle of the product is generally separated from an inclined thimble through the inclined thimble during demoulding, and then the product is ejected out of the inclined thimble through a thimble piece. In the die structure, the inclined ejector pins and the ejector pin pieces need to be driven to move respectively through the two groups of driving mechanisms, so that the production cost of equipment is increased, and the demolding complexity is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a secondary ejection structure for having interior back-off product in desorption mould, simple structure, the drawing of patterns step is comparatively simple equally.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a secondary ejection structure for removing products with inner inverted buckles in a mold comprises a first mounting plate, a second mounting plate, an inclined ejection assembly and an ejector pin piece, wherein the first mounting plate and the second mounting plate are sequentially close to a first template along a first direction, the inclined ejection assembly is connected to the first mounting plate, the ejector pin piece is connected to the second mounting plate, the inclined ejection assembly can sequentially penetrate out of the second mounting plate and the first template along the length extension direction of the inclined ejection assembly, one end, far away from the first mounting plate, of the inclined ejection assembly is used for matching the mold to perform inner inverted buckle forming on the products, the ejector pin piece can penetrate out of the first template along the length extension direction of the ejector pin piece, the inclined ejection assembly comprises at least one inclined ejection pin which gradually inclines inwards along the first direction, and the inclined ejection pin can slide relative to the first mounting plate along the first direction;
the secondary ejection structure further comprises a driving mechanism for driving the second mounting plate to move towards the first template along the first direction, and a locking mechanism for locking the first mounting plate and the second mounting plate;
the locking mechanism is used for releasing the locking state between the first mounting plate and the second mounting plate after the driving mechanism drives the second mounting plate to move towards the first template for a first distance;
and the driving mechanism is used for driving the second mounting plate to move towards the first template for a second distance after the first mounting plate and the second mounting plate are unlocked.
Preferably, the secondary ejection structure further comprises a fixing plate which is arranged on one side of the first mounting plate, which is far away from the second mounting plate, and is used for connecting the first template;
the locking mechanism comprises a hook hanger arranged on the second mounting plate, a movable assembly arranged on the first mounting plate in a sliding manner along a second direction, and a guide piece arranged on the fixing plate;
the hook hanging piece and the guide piece extend along the first direction respectively, a hook hanging part used for hooking the movable assembly is arranged on the hook hanging piece, and a guide part used for pushing the movable assembly to be mutually separated from the hook hanging piece is arranged on the guide piece;
before the first mounting plate and the second mounting plate are unlocked, the guide portion is located on a side of the hook portion facing the first template.
More preferably, the second direction is perpendicular to the first direction.
More preferably, the movable assembly includes a movable bottom plate slidably disposed on the first mounting plate along the second direction, a first pin disposed on the movable bottom plate and used for being hooked by the hooking portion, and a second pin disposed on the movable bottom plate and used for being pushed by the guiding portion, and the first pin and the second pin are arranged at intervals along the second direction.
Still further preferably, a side of the guide portion adjacent to the second pin has a first inclined surface that is gradually inclined inward in the first direction, and a side of the second pin adjacent to the guide portion has a second inclined surface that is parallel to the first inclined surface.
Preferably, there are two inclined thimbles, two inclined thimbles gradually incline along first direction and draw close.
More preferably, it is characterized in that: the thimble piece is arranged between the two inclined thimbles.
Preferably, the lifter assembly further comprises a lifter mounting seat connected to the first mounting plate and extending out of the second mounting plate in the first direction, and one end of the inclined ejector pin can be movably arranged on the lifter mounting seat in the first direction in a perpendicular mode.
Preferably, the secondary ejection structure further comprises a first limiting member connected to the first mounting plate and penetrating out of the second mounting plate along the first direction.
Preferably, the secondary ejection structure further includes a second limiting member connected to a side of the second mounting plate facing the first die plate.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model relates to a secondary ejection structure for removing products with inner inverted buckles in a mould, which locks a first mounting plate and a second mounting plate through a locking mechanism, and a driving mechanism only drives the second mounting plate to move before the inner inverted buckles of the products are separated from an inclined top assembly, namely, the driving mechanism can drive the first mounting plate to move synchronously so as to realize the mutual separation of the inner inverted buckles of the products and the inclined top assembly; after the inner back-off of the product is separated from the inclined ejection assembly, the first mounting plate and the second mounting plate are synchronously unlocked, and the driving mechanism only drives the second mounting plate to move, so that the product can be ejected out of the inclined ejection assembly through the ejector pin piece. The secondary ejection structure only adopts a group of driving mechanisms, so that the structure is simple, and the demolding step is simpler.
Drawings
Fig. 1 is a schematic cross-sectional view (initial state) of a secondary ejection structure according to an embodiment of the present invention;
fig. 2 is a schematic sectional view of a secondary ejection structure according to an embodiment of the present invention (an inner undercut removal state);
fig. 3 is a schematic sectional view of a secondary ejection structure according to an embodiment of the present invention (product removal lifter assembly state);
fig. 4 is a first structural schematic diagram (initial state) of a secondary ejection structure according to an embodiment of the present invention;
fig. 5 is a structural schematic diagram ii (inner undercut removal state) of a secondary ejection structure according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a secondary ejection structure according to an embodiment of the present invention (product removal lifter assembly state);
fig. 7 is an enlarged schematic view of a portion a of fig. 4.
Wherein: 1. a first template; 11. a cylindrical hole; 12. a guide post; 2. a first mounting plate; 21. mounting the cylinder; 3. a second mounting plate; 4. a lifter assembly; 41. an inclined thimble; 411. a recess; 42. a pitched roof mounting base; 5. a thimble member; 6. a drive mechanism; 7. a locking mechanism; 71. a hook; 711. a hook portion; 72. a movable component; 721. a first pin; 722. a second pin; 7220. a second inclined plane; 723. a movable bottom plate; 73. a guide member; 731. a guide portion; 7310. a first inclined plane; 8. a fixing plate; 9. a first limit piece; 10. a second limiting member; 13. producing a product; 131. and (4) internally and reversely buckling.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following embodiments and the accompanying drawings.
Referring to fig. 1 to 7, the present embodiment provides a double ejection structure for removing a product having an inner undercut from a mold, the mold including a first mold plate 1 and a second mold plate (not shown) arranged in a first direction, the first mold plate 1 and the second mold plate being adapted to open and close the mold in cooperation with each other to perform injection molding of the product 13 when the mold is closed. Referring to fig. 1, the first direction is a vertical direction from bottom to top in fig. 1, and when the mold is opened, the second mold plate is separated from the first mold plate 1 upwards.
Referring to fig. 1, a fixing plate 8, a first mounting plate 2, and a second mounting plate 3 are sequentially disposed in a first direction below a first formwork 1. Wherein, the fixed plate 8 is fixedly connected with the first template 1 through bolts at two sides; the first mounting plate 2 and the second mounting plate 3 are respectively arranged between the fixing plate 8 and the first template 1.
Be equipped with oblique top subassembly 4 on the first mounting panel 2, oblique top subassembly 4 upwards wears out second mounting panel 3 and first template 1 in proper order. In this embodiment, the lifter assembly 4 includes a lifter mounting seat 42 having a lower end connected to the first mounting plate 2 and an upper end penetrating through the second mounting plate 3, and a lifter pin 41 having a lower end connected to the lifter mounting seat 42, wherein the lifter mounting seat 42 penetrates through the second mounting plate 3 along a first direction, the lifter pin 41 is slidably disposed on the lifter mounting seat 42 along a direction perpendicular to the first direction, and a sliding direction of the lifter pin 41 is a left-right direction in fig. 1. The inclined thimble 41 is provided with a recess 411 on the outer side of the upper end thereof for molding the inner undercut 131 of the product 13 from the inner mating mold, and the inclined thimble 41 is gradually inclined inward in the first direction (i.e., toward the center line of the first form 1).
The lower part of the first template 1 is provided with a cylindrical hole 11 which is used for being penetrated by the inclined thimble 41, and the cylindrical hole 11 extends along a first direction; a guide post 12 is fixedly arranged in the upper part of the first template 1 in a penetrating way, and the circumferential side part of the guide post 12 is provided with a guide inclined plane parallel to the inclined thimble 41. The inclined ejector pin 41 can always abut against the guide post 12 when moving in the first direction.
In this embodiment, there are two sets of the slanted ejecting mounts 42 and the slanted ejecting pins 41, the two slanted ejecting pins 41 are disposed to be slanted close to each other along a first direction, and the guiding column 12 is tapered. With this arrangement, after the mold is opened, the two inclined ejector pins 41 are driven to move in the first direction, and the tops of the two inclined ejector pins 41 move upward and approach each other, so that the product 13 can be smoothly taken out of the inner undercut 131.
The second mounting plate 3 is provided with a thimble piece 5, and the thimble piece 5 can penetrate out of the first template 1 along the length extending direction of the thimble piece 5. In the present embodiment, the thimble element 5 is disposed between the two inclined thimbles 41, and is parallel to the first direction. At the time of demolding, the ejector pin member 5 is used to eject the product 13 from the slanting ejector pin 41.
The secondary ejection structure for removing the product with the inner inverted buckle in the mold further comprises a driving mechanism 6 for driving the second mounting plate 3 to move towards the first template 1 along the first direction and a locking mechanism 7 for locking the first mounting plate 2 and the second mounting plate 3, wherein the locking mechanism 7 has a locking state and an unlocking state, when the locking mechanism 7 is in the locking state, the second mounting plate 3 can drive the first mounting plate 2 to move upwards synchronously, and when the locking mechanism 7 is in the unlocking state, the second mounting plate 3 and the first mounting plate 2 are separated from each other.
Referring to fig. 1, the driving mechanism 6 is a driving cylinder, a push rod of the driving cylinder can be movably inserted into the fixed plate 8 and the first mounting plate 2 upwards, and the push rod is used for driving the second mounting plate 3 to reciprocate along the up-down direction.
The lock mechanism 7 is configured to release the locked state between the first mounting plate 2 and the second mounting plate 3 after the drive mechanism 6 drives the second mounting plate 3 to move toward the first formwork 1 by a first distance (which is a distance corresponding to S1 in fig. 1). In this embodiment, the first mounting plate 2 is provided with a first limiting member 9 penetrating through the second mounting plate 3 along the first direction, and the second mounting plate 3 is movably sleeved on the first limiting member 9 along the first direction. When the driving mechanism 6 drives the second mounting plate 3 to move towards the first template 1, under the action of the locking mechanism 7, the first mounting plate 2 synchronously moves towards the first template 1 until the upper end of the first limiting part 9 abuts against the lower surface of the first template 1, and at the moment, the second mounting plate 3 moves towards the first template 1 by a first distance.
The driving mechanism 6 is configured to drive the second mounting plate 3 to move toward the first form 1 by a second distance (distance corresponding to S2 minus S1 in fig. 1) after the first mounting plate 2 and the second mounting plate 3 are unlocked. In this embodiment, a second limiting member 10 is disposed on a side of the second mounting plate 3 facing the first mold plate 1. After the first mounting plate 2 and the second mounting plate 3 are unlocked, the driving mechanism 6 continues to drive the second mounting plate 3 to move towards the first template 1 until the upper end of the second limiting part 10 abuts against the lower surface of the first template 1, and at this time, the second mounting plate 3 moves towards the first template 1 for a second distance.
By arranging the first limiting piece 9 and the second limiting piece 10, the stroke of a push rod in a driving cylinder is not required to be controlled, when the push rod extends out of a first distance, the first mounting plate 2 stops moving through the limiting of the first limiting piece 9, at the moment, the inclined ejector pins 41 extend out of the first distance, the upper ends of the inclined ejector pins 41 are close to each other, and the corresponding concave parts 411 are separated from the inner inverted buckles 131 of the products 13; when the push rod extends out a second distance again, the second mounting plate 3 stops moving through the limit of the second limiting member 10, at this time, the thimble member 5 extends out a second distance again, and the product 13 is jacked to separate from the inclined thimble 41.
Referring to fig. 4, the locking mechanism 7 includes a hook member 71 provided on the second mounting plate 3, a movable member 72 slidably provided on the first mounting plate 2 in the second direction, and a guide member 73 provided on the fixed plate 8. In the present embodiment, the hooking member 71 and the guide member 73 are respectively parallel to the first direction, and the hooking member 71 and the guide member 73 are arranged in the second direction, which is the right-left direction in fig. 4.
Referring to fig. 4, the lower end of the hooking member 71 is provided with a hooking portion 711 for hooking the movable member 72, and the upper end of the guide member 73 is provided with a guide portion 731 for pushing the movable member 72 to slide rightward (i.e., rightward in fig. 4) and disengage from the hooking member 71. Before the first mounting plate 2 and the second mounting plate 3 are unlocked, the guide portion 731 is located above the hooking portion 711, and by this arrangement, when the hooking portion 711 hooks the movable component 72 to move upward, the movable component 72 pushes the guide portion 731 upward, and under the action of the guide portion 731, the movable component 72 synchronously moves rightward, and when the movable component 72 moves upward by a first distance, the movable component 72 disengages from the hooking portion 711 to unlock the first mounting plate 2 and the second mounting plate 3, and the locking mechanism 7 is switched to the unlocked state.
Referring to fig. 7, the side of the first mounting plate 2 is provided with a vertically penetrating mounting cylinder 21, the movable assembly 72 includes a movable bottom plate 723 slidably disposed in the mounting cylinder 21 along the second direction, a first pin 721 disposed on the right side of the movable bottom plate 723 and hooked by the hooking portion 711, and a second pin 722 disposed on the left side of the movable bottom plate 723 and pushed by the guide portion 731, the first pin 721 and the second pin 722 are arranged at intervals along the second direction, and the hooking member 71 and the guide member 73 are respectively inserted into the mounting cylinder 21. In fig. 4, the movable base 723 and the hook 71 are arranged in a direction perpendicular to the paper surface, the first pin 721 and the second pin 722 are forward convex with respect to the movable base 723 (i.e., a direction perpendicular to the paper surface in fig. 4), and the width of the movable base 723 in the second direction is wider than the width of the hook 71 in the second direction. An elastic member (not shown in the figure) elastically extending and contracting in the second direction is further disposed between the right end of the first pin 721 and the inner wall of the mounting cylinder 21, and by providing the elastic member, when the locking mechanism 7 is switched to the unlocking state, the second pin 722 moves rightward to compress the elastic member, and when the driving mechanism 6 is reset, the movable assembly 72 moves downward, and the first pin 721 can be pressed against the hook member 71 leftward by the elastic member.
Referring to fig. 7, the side of the guide portion 731 adjacent to the second pin 722 has a first inclined surface 7310 which is gradually inclined inward in the first direction (i.e., toward the center line of the first template 1), and the side of the second pin 722 adjacent to the guide portion 731 has a second inclined surface 7220 which is parallel to the first inclined surface 7310. By providing the first inclined surface 7310 and the second inclined surface 7220, when the second pin 722 pushes up against the guide part 731, the second inclined surface 7220 pushes against the first inclined surface 7310, so that the second pin 722 can be driven to slide rightward in synchronization.
The following specifically explains the working process of this embodiment:
referring to fig. 1 and 4, in an initial state of opening the mold, the hook member 71 hooks the first pin 721, and the first mounting plate 2 and the second mounting plate 3 are locked relatively;
referring to fig. 2 and 5, in the state of removing the inner undercut 131, at this time, the driving mechanism 6 drives the second mounting plate 3 to move upward by a first distance until the upper end of the first limiting member 9 abuts against the first template 1, the inclined thimble 41 moves upward by the first distance, and the concave portion 411 and the inner undercut 131 of the product 13 are separated from each other; at the same time, the guide 73 drives the movable assembly 72 to move rightward until the hooking member 71 and the first pin 721 are disengaged from each other to release the locked state between the first mounting plate 2 and the second mounting plate 3;
referring to fig. 3 and 6, in a state where the product 13 is removed from the lifter assembly 4, at this time, the driving mechanism 6 drives the second mounting plate 3 to move upward for a second distance until the upper end of the second limiting member 10 abuts against the first template 1, and the thimble member 5 moves upward for the second distance to eject the product 13 from the lifter 41, so as to subsequently remove the product 13.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a secondary ejection structure for getting rid of product that has interior back-off in mould, includes first mounting panel and the second mounting panel that is close to first template in proper order along the first direction, connects to push up the subassembly to one side on the first mounting panel, connects the thimble spare on the second mounting panel, the subassembly can wear out in proper order along self length extending direction to one side the second mounting panel with first template, the one end that the subassembly was kept away from to one side the first mounting panel is used for coordinating the interior back-off shaping of mould to the product, the thimble spare can wear out first template along self length extending direction, its characterized in that: the inclined ejector assembly comprises at least one inclined ejector pin which gradually inclines inwards along the first direction, and the inclined ejector pin can slide relative to the first mounting plate along the direction vertical to the first direction;
the secondary ejection structure further comprises a driving mechanism for driving the second mounting plate to move towards the first template along the first direction, and a locking mechanism for locking the first mounting plate and the second mounting plate;
the locking mechanism is used for releasing the locking state between the first mounting plate and the second mounting plate after the driving mechanism drives the second mounting plate to move towards the first template for a first distance;
and the driving mechanism is used for driving the second mounting plate to move towards the first template for a second distance after the first mounting plate and the second mounting plate are unlocked.
2. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 1, wherein: the secondary ejection structure further comprises a fixing plate which is arranged on one side of the first mounting plate, away from the second mounting plate, and is used for connecting the first template;
the locking mechanism comprises a hook hanger arranged on the second mounting plate, a movable assembly arranged on the first mounting plate in a sliding manner along a second direction, and a guide piece arranged on the fixing plate;
the hook hanging piece and the guide piece extend along the first direction respectively, a hook hanging part used for hooking the movable assembly is arranged on the hook hanging piece, and a guide part used for pushing the movable assembly to be mutually separated from the hook hanging piece is arranged on the guide piece;
before the first mounting plate and the second mounting plate are unlocked, the guide portion is located on a side of the hook portion facing the first template.
3. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 2, wherein: the second direction is perpendicular to the first direction.
4. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 2, wherein: the movable assembly comprises a movable bottom plate, a first pin and a second pin, wherein the movable bottom plate can be arranged on the first mounting plate in a sliding mode in the second direction, the first pin is arranged on the movable bottom plate and used for being hooked by the hooking portion, the second pin is arranged on the movable bottom plate and used for being pushed by the guide portion in a pushing mode, and the first pin and the second pin are arranged in the second direction at intervals.
5. The secondary ejection structure for removing a product having an inner undercut from a mold according to claim 4, wherein: one side of the guide part close to the second pin is provided with a first inclined surface which is gradually inclined inwards along the first direction, and one side of the second pin close to the guide part is provided with a second inclined surface which is parallel to the first inclined surface.
6. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 1, wherein: the number of the inclined thimbles is two, and the two inclined thimbles gradually incline and draw close along the first direction.
7. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 6, wherein: the thimble piece is arranged between the two inclined thimbles.
8. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 1, wherein: the oblique top subassembly is still including connecting just follow on the first mounting panel wear out in the first direction the oblique top mount pad of second mounting panel, perpendicular can be followed to one end of oblique thimble first direction activity is located on the oblique top mount pad.
9. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 1, wherein: the secondary ejection structure further comprises a first limiting part which is connected to the first mounting plate and penetrates out of the second mounting plate along the first direction.
10. The double ejection structure for removing a product with an inner inverted buckle in a mold according to claim 1, wherein: the secondary ejection structure further comprises a second limiting part connected to one side, facing the first template, of the second mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940067.1U CN215283200U (en) | 2021-11-29 | 2021-11-29 | Secondary ejection structure for removing product with inner inverted buckle in mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940067.1U CN215283200U (en) | 2021-11-29 | 2021-11-29 | Secondary ejection structure for removing product with inner inverted buckle in mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215283200U true CN215283200U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122940067.1U Active CN215283200U (en) | 2021-11-29 | 2021-11-29 | Secondary ejection structure for removing product with inner inverted buckle in mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215283200U (en) |
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2021
- 2021-11-29 CN CN202122940067.1U patent/CN215283200U/en active Active
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