CN220562110U - Straight top core pulling device and die - Google Patents
Straight top core pulling device and die Download PDFInfo
- Publication number
- CN220562110U CN220562110U CN202321528339.XU CN202321528339U CN220562110U CN 220562110 U CN220562110 U CN 220562110U CN 202321528339 U CN202321528339 U CN 202321528339U CN 220562110 U CN220562110 U CN 220562110U
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- sliding
- guide hole
- forming
- guide
- pulling device
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- 238000000465 moulding Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a straight top core pulling device and a die, wherein the straight top core pulling device comprises a forming part and a straight top part; the molding part is used for molding at least part of the surface of the product and comprises an ejection hole; the straight top piece comprises a back-off forming part for forming at least part of the surface of the piece, and the back-off forming part is inlaid on the ejection hole; the ejection hole comprises a first guide hole, a second guide hole and a guide inclined part, the first guide hole and the second guide hole extend towards the direction parallel to the demolding direction, and the first guide hole is arranged in the demolding direction of the second guide hole and communicated through the guide inclined part; the straight top part further comprises a first sliding part, a second sliding part and a sliding inclined surface, wherein the first sliding part is provided with a reverse buckle forming part and is in sliding fit with the first guide hole, and the second sliding part is arranged to be penetrated into the second guide hole in a die closing state and moves towards the first guide hole under the guiding of the sliding fit of the guiding inclined surface and the sliding inclined surface in the demolding process.
Description
Technical Field
The utility model relates to the field of dies, in particular to a direct-ejecting core-pulling device and a die.
Background
With the development of society and technology, the living standard is improved, and the demands of the masses on daily consumer products are increasing. Under the competition of market demands and industries, the updating is accelerated, the product structure is more and more complex, and higher requirements are also put forward on the manufacturing and structural design of the forming die. In order to meet the product output requirements of products with different structures, various targeted mould structures are layered endlessly, so that the production difficulty is effectively solved, the market demands are rapidly met, and meanwhile, the mass living standard of the masses is improved and improved.
In the existing structural member with the back-off, a cylinder core pulling or forced releasing structure is generally adopted for demolding in the forming process. When the back-off structure is inside the product, the product inner space is small, and the back-off structure does not have enough space for sliding left and right of the inclined top to be released from the back-off position, and the back-off position can be worn by forced release.
In view of this, the present application is specifically proposed.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming at least one defect in the prior art and providing a straight ejection core pulling device and a die.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a straight-top core pulling device, comprising: comprises a forming part and a straight top part; the molding part is used for molding at least part of the surface of the product and comprises an ejection hole; the straight top piece comprises an inverted buckle forming part for forming at least part of the surface of the piece, and the inverted buckle forming part is inlaid on the ejection hole; the ejection hole comprises a first guide hole, a second guide hole and a guide inclined part, wherein the first guide hole and the second guide hole respectively extend towards the direction parallel to the demolding direction, and the first guide hole is arranged in the demolding direction of the second guide hole and is communicated through the guide inclined part; the straight top part further comprises a first sliding part, a second sliding part and a sliding inclined plane, wherein the first sliding part is provided with the inverted buckle forming part and is in sliding fit with the first guide hole, and the second sliding part is arranged to penetrate through the second guide hole in a die closing state and moves towards the first guide hole under the guiding of the sliding fit of the guiding inclined plane and the sliding inclined plane in the demolding process.
Preferably, the straight top member includes a top rod portion, and the back-off forming portion is disposed at a front end of the top rod portion; the ejector rod part is far away from one side of the back-off forming part and comprises a sliding section and a blank section, the blank section is recessed towards the direction of the back-off forming part, and the sliding section is configured to be separated from the first guide hole and can move along the direction far away from the back-off forming part when the guide inclined surface and the sliding inclined surface are contacted.
Preferably, the sliding matching section and the hollow section are connected through a guiding inclined plane, and the guiding inclined plane is inclined forwards from the sliding matching section to the hollow section.
Preferably, the ejector portion and the back-off forming portion are integrally constructed.
Preferably, the ejector portion and the back-off forming portion are detachably connected.
Preferably, an end of the ejector portion remote from the back-off forming portion is slidably supported on the ejector plate by a sliding member, the sliding member including a slider seat and a sliding groove formed on the ejector plate, the sliding groove being configured to guide the slider seat to slide in a direction away from or close to the back-off forming portion.
Preferably, the ejector rod portion has a quadrangular cross section, and the second sliding portion is adapted to the first guide hole so as to enter the first guide hole under the guide of the sliding fit of the guide slope and the sliding slope.
The utility model further provides a die, which comprises a front die and a rear die, wherein the front die comprises a fixed inner die, the rear die comprises a movable inner die, the fixed inner die and the movable inner die are clamped to form a forming cavity for forming a finished piece, and the die further comprises the straight top core pulling device.
Preferably, the straight top core pulling device is arranged on the rear die.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
in the above-mentioned scheme, straight top spare is ejecting with the direction of product follow drawing of patterns, in ejecting in-process, straight top spare is through moving towards the direction of first guide hole under the slip fit's of guide inclined plane and slip inclined plane guide to accomplish the back-off formation portion on the straight top spare and carry out the drawing of patterns, thereby solve in the top to one side mode, the ejector pin board is pushing the gliding mode of top to one side, and its along the removal distance length of perpendicular to drawing of patterns direction does not have sufficient space confession top gliding technical problem.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.
FIG. 1 is a schematic diagram showing a mold according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of a direct-top core-pulling device according to an embodiment of the utility model;
FIG. 3 is a schematic diagram illustrating an internal structure of a direct-top core-pulling device according to an embodiment of the utility model;
fig. 4 is a schematic diagram of the structure of fig. 3 at P according to the present utility model.
Reference numerals:
1. a fixed mold; 2. a movable mold; 22. forming a part; 23. a molding part; 24. letting the empty section; 3. a push rod; 31. a back-off forming part; 32. a groove; 33. a guide slope; 34. a sliding inclined plane; 4. a needle ejection plate; 41. a sliding groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the claims and in the description, unless otherwise defined, the terms "first," "second," or "third," etc., are used for distinguishing between different objects and not for describing a particular sequential order.
In the claims and the specification, unless otherwise defined, the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience of description, and do not imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation.
In the claims and specification, unless otherwise defined, the terms "fixedly coupled" and "fixedly connected" are to be construed broadly as any manner of connection without a displacement relationship or relative rotational relationship therebetween, and that is to say include non-detachably fixedly connected, integrally connected, and fixedly connected by other means or elements.
"and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone.
Terms used to describe positional relationships in this application, such as front, rear, left, right, left-right, and front-rear, are not limited to absolute linear azimuthal positions unless otherwise stated or defined, e.g., a is located on the rear side of B, including a being diagonally behind B.
The technical solutions in the embodiments will be clearly and completely described below with reference to fig. 1 to 4.
An embodiment of the present utility model provides a mold, referring to fig. 1, the mold includes a front mold, a rear mold and a direct-ejecting core-pulling device, the front mold includes a fixed inner mold, the rear mold includes a movable inner mold, and after the fixed inner mold and the movable inner mold are closed, a molding cavity is formed, and the molding cavity is used for molding a workpiece. The straight top core pulling device is arranged on the rear mold side and comprises a molding part 22 and a straight top part, wherein the molding part 22 is provided with a molding part 23 for molding at least part of the surface of the workpiece, and the straight top part is provided with a back-off forming part 31 for molding at least part of the surface of the workpiece. From the point of reference to fig. 4, the structure of the molded back-off position is represented by a concave groove 32 recessed in the back-off forming portion 31. The molded part 22 has an ejector hole having a front and a rear first guide holes and a second guide holes extending parallel to the demolding direction, respectively, the first guide holes being provided in the demolding direction of the second guide holes and being connected by guide slopes. The front-rear direction in the present utility model refers to the direction of demolding and clamping of the front mold and the rear mold.
The straight top piece comprises an integrally formed ejector rod 3, the ejector rod 3 comprises an ejector rod 3 part and a back-off forming part 31, and the back-off forming part 31 is arranged at the front end of the ejector rod 3 part. It will be appreciated that in other embodiments, the ejector 3 and the back-off forming part 31 may be configured to be detachably connected, and the structure of the back-off forming part 31 for contacting the hot solution is separately processed, which may be better metal-treated with materials, and reduce the cost. The straight top part comprises a sliding part which is in sliding fit with the first guide hole and two inclined planes at the rear end of the sliding part, the back-off forming part 31 is arranged on the sliding part, the sliding inclined plane 34 which is close to the part side in the two inclined planes is contacted with the guide inclined part after the sliding inclined plane 34 moves for a certain distance during ejection of the straight top part, and moves in a direction away from the part under the guide of the inclined plane, so that the demoulding of the back-off forming part 23 is completed. The surface of the straight top part far away from the direction of the workpiece is provided with a sliding fit section and a hollow section 24, the sliding fit section and the hollow section 24 are connected through a guide inclined surface 33, and the guide inclined surface 33 is inclined forwards from the sliding fit section to the hollow section 24. Wherein, the guiding inclined plane 33 is in front of the sliding inclined plane 34, when the sliding inclined plane 34 contacts with the guiding inclined plane, the guiding inclined plane 33 is separated from the first guiding hole, so as to realize the demoulding action of the back-up forming part 23 of the sliding component. During the closing process, the guide inclined surface 33 contacts the molding member 22, so that the back-off molding portion 23 moves toward the product, and the resetting is realized.
One end of the ejector 3 away from the back-off forming portion 31 is slidably supported on the ejector plate 4 by a slide member including a slider seat and a slide groove formed on the ejector plate 4. 41, said sliding grooves. 41 are configured to guide the slider seat to slide in a direction away from or toward the barb-forming portion. The ejector pin 3 portion has a quadrangular cross section, and the second sliding portion is fitted with the first guide hole so as to enter the first guide hole under the guide of the sliding fit of the guide slope 33 and the sliding slope 34.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (9)
1. The direct-ejection core-pulling device is characterized by comprising a forming component and a direct-ejection component; the molding part is used for molding at least part of the surface of the product and comprises an ejection hole; the straight top piece comprises an inverted buckle forming part for forming at least part of the surface of the piece, and the inverted buckle forming part is inlaid on the ejection hole; the ejection hole comprises a first guide hole, a second guide hole and a guide inclined part, wherein the first guide hole and the second guide hole respectively extend towards the direction parallel to the demolding direction, and the first guide hole is arranged in the demolding direction of the second guide hole and is communicated through the guide inclined part; the straight top part further comprises a first sliding part, a second sliding part and a sliding inclined plane, wherein the first sliding part is provided with the inverted buckle forming part and is in sliding fit with the first guide hole, and the second sliding part is arranged to penetrate through the second guide hole in a die closing state and moves towards the first guide hole under the guiding of the sliding fit of the guiding inclined plane and the sliding inclined plane in the demolding process.
2. The direct-top core pulling device according to claim 1, wherein the direct-top member includes a top rod portion, and the back-off forming portion is disposed at a front end of the top rod portion; the ejector rod part is far away from one side of the back-off forming part and comprises a sliding section and a blank section, the blank section is recessed towards the direction of the back-off forming part, and the sliding section is configured to be separated from the first guide hole and can move along the direction far away from the back-off forming part when the guide inclined surface and the sliding inclined surface are contacted.
3. The direct-top core pulling device according to claim 2, wherein the slip segment and the hollow segment are connected through a guiding inclined plane, and the guiding inclined plane is inclined forwards from the slip segment to the hollow segment.
4. The direct-push core pulling device according to claim 3, wherein the ejector pin portion and the back-off forming portion are integrally constructed.
5. The direct-push core pulling device according to claim 3, wherein the ejector portion and the back-off forming portion are detachably connected.
6. The direct-push core pulling device according to claim 3, 4 or 5, wherein an end of the ejector portion remote from the back-off forming portion is slidably supported on the ejector plate by a sliding member including a slider seat and a sliding groove formed on the ejector plate, the sliding groove being configured to guide the slider seat to slide in a direction away from or toward the back-off forming portion.
7. The direct-top core back device according to claim 3 or 4 or 5, wherein the ejector pin portion has a quadrangular cross section, and the second sliding portion is adapted to the first guide hole so as to enter the first guide hole under the guide of the sliding fit of the guide slope and the sliding slope.
8. A mould comprising a front mould and a rear mould, wherein the front mould comprises a fixed inner mould, the rear mould comprises a movable inner mould, and the fixed inner mould and the movable inner mould are clamped to form a forming cavity for forming a finished piece, and the direct-ejecting core-pulling device is characterized by further comprising the direct-ejecting core-pulling device as claimed in any one of claims 1 to 7.
9. The mold according to claim 8, wherein the straight ejector core pulling device is provided on the rear mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528339.XU CN220562110U (en) | 2023-06-15 | 2023-06-15 | Straight top core pulling device and die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528339.XU CN220562110U (en) | 2023-06-15 | 2023-06-15 | Straight top core pulling device and die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220562110U true CN220562110U (en) | 2024-03-08 |
Family
ID=90088863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321528339.XU Active CN220562110U (en) | 2023-06-15 | 2023-06-15 | Straight top core pulling device and die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220562110U (en) |
-
2023
- 2023-06-15 CN CN202321528339.XU patent/CN220562110U/en active Active
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