CN113752484B - Slide block driving core pulling and inclined ejection back-off mechanism - Google Patents
Slide block driving core pulling and inclined ejection back-off mechanism Download PDFInfo
- Publication number
- CN113752484B CN113752484B CN202111074867.8A CN202111074867A CN113752484B CN 113752484 B CN113752484 B CN 113752484B CN 202111074867 A CN202111074867 A CN 202111074867A CN 113752484 B CN113752484 B CN 113752484B
- Authority
- CN
- China
- Prior art keywords
- core
- block
- pulling
- limiting
- core pulling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a slide block driving core pulling and inclined ejection back-off mechanism which comprises an upper slide block, a lower slide block and a back-moving driving structure for driving the lower slide block to move backwards, wherein an inclined ejection edge is arranged on one side, close to a product, of the upper slide block, a back-off component for controlling the upper slide block to carry out back-off is arranged between the upper slide block and the lower slide block, and a core pulling abutting mechanism for assisting the lower slide block to carry out core pulling is arranged at the bottom of the lower slide block. The invention provides a slide block driving core pulling and inclined ejection reverse buckling removing mechanism, which is simple to operate and capable of achieving reverse buckling removing of an inclined ejection edge while core pulling.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a slide block driving core pulling and inclined ejection inverted buckle removing mechanism.
Background
Injection molding is an important means of product forming, and is a process of manufacturing various plastic materials into products required by people by using plastic molds based on the principle that plastic materials change shape under high temperature and high pressure. At present, after injection molding is finished, some plastic part products not only need to loose core, but also need to carry out oblique ejection and back-off at the barb to enable the barb to be separated from the products, but the injection mold of the existing injection mold generally only carries out core pulling and ejection in an oblique ejection core pulling mode, but the structure can only meet the core pulling of the products, and the back-off of the products cannot be simultaneously realized when the core pulling direction is inconsistent with the back-off direction. For example, in the "core-pulling inclined roof structure and injection mold" disclosed in chinese patent literature, the publication number CN109501167a includes a rear mold top plate disposed outside the rear mold, a core-pulling slide, a core-pulling seat disposed in the rear mold, a core-pulling needle plate, and a guide block, the core-pulling slide is fixedly mounted on the rear mold top plate, the rear mold top plate is connected with the rear mold through a draw hook, and the rear mold is connected with the front mold through the draw hook. The guide block is fixedly arranged in the rear die, the side wall of the core pulling seat is in sliding fit with the guide block, and one end of the core pulling seat is in sliding connection with the core pulling sliding seat. The core pulling needle plate is positioned at the inner side of the core pulling seat and is fixed on the rear die. The core-pulling needle plate is provided with a plurality of core-pulling inclined ejection groups, each core-pulling inclined ejection group comprises an inclined ejection guide sliding block and at least one core-pulling inclined ejection, and one end of each core-pulling inclined ejection is movably connected with the core-pulling needle plate. Each inclined ejection guide sliding block is fixedly connected with the core-pulling seat, and the inclined ejection guide sliding blocks drive the same group of core-pulling inclined ejection to move. The patent can only meet the requirement of the core pulling inclined top of the product, and when the core pulling direction is inconsistent with the back-off direction, the back-off of the product is difficult to meet.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when the core pulling direction is inconsistent with the back-off removing direction, the inclined top and the back-off removing are difficult to meet simultaneously, and the like, and provides a slide block driving core pulling and back-off removing mechanism for the inclined top, which realizes back-off removing of the inclined top edge while core pulling, and is simple to operate.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a slider drive is loosed core and is pushed up to one side that falls back and take off back-off mechanism, includes upper slider, lower slider and is used for driving the backward motion actuating structure of lower slider, is provided with the oblique top edge in one side that the upper slider is close to the product, is provided with the tripping device that is used for controlling upper slider and takes off the back-off between upper slider and the lower slider, is provided with the loose core butt mechanism that is used for assisting the lower slider to take off the core in lower slider bottom.
In the technical scheme, the lower slider moves backwards under the drive of the backward movement driving structure, core pulling is performed when the lower slider moves backwards, and the product is prevented from being bonded with the lower slider through the arrangement of the core pulling auxiliary structure, so that core pulling is smoother; the linkage between the upper sliding block and the lower sliding block is realized through the arrangement of the back-off component, the lower sliding block is driven to move backwards when moving backwards, the inclined top edge on the upper sliding block is separated from the lower sliding block, back-off of a product is realized, and the whole operation process is completed only by driving the lower sliding block to move backwards, so that the operation is convenient.
Preferably, the back-off component comprises a preliminary positioning structure, a sliding guide structure and a backward movement limiting structure.
The preliminary positioning structure is used for locking the upper sliding block on the lower sliding block before the lower sliding block performs backward core pulling, plays a preliminary positioning role, and firstly moves the upper sliding block backward through the sliding guide structure in the backward moving process of the lower sliding block, then drives the upper sliding block to move backward through the backward moving limiting structure so that the product breaks away from the groove to finish the back-off, and the back-off process cannot interfere with the product or other parts, so that the back-off of the product is smooth.
Preferably, the preliminary positioning structure comprises a positioning block fixed on the lower sliding block and a positioning notch arranged at the bottom of the upper sliding block, the positioning notch is sleeved outside the positioning block, the width of the positioning notch is matched with the width of the positioning block, and the length of the positioning notch is larger than that of the positioning block.
The arrangement ensures that the lower slide block is smoothly separated from the upper slide block when the backward movement process is just started, and avoids that the lower slide block drives the upper slide block to move backward.
Preferably, a guide fixing block is arranged on the side edge of the upper sliding block, the bottom of the guide fixing block is fixed on the mold core, the sliding guide structure comprises a sliding guide groove arranged on the side wall of the upper sliding block and a guide block arranged in the guide fixing block, and the guide block is arranged in the sliding guide groove in a sliding manner.
The lower sliding guide groove plays a guiding role on the lower movement of the upper sliding block, and the lower movement direction of the upper sliding block is controlled.
Preferably, the lower sliding guide groove is obliquely arranged, the upper end of the lower sliding guide groove is close to the product, the lower end of the lower sliding guide groove is far away from the product, and the upper end and the lower end of the lower sliding guide groove penetrate through the upper end face and the lower end face of the upper sliding block.
The upper sliding block slides downwards and moves backwards, so that the product can be separated from the upper sliding block, and the product can be driven to deform to a certain extent when the product is not separated from the upper sliding block, so that the product is easier to be separated from the lower sliding block. In addition, the inclined arrangement of the lower sliding guide groove is also used for matching the upper sliding block with the lower sliding block when the guide block is separated from the lower sliding guide groove, so that the lower sliding block can conveniently drive the upper sliding block to move backwards.
Preferably, the backward movement limiting structure comprises a backward movement limiting block arranged on the lower sliding block and a backward movement limiting groove arranged on the upper sliding block, and a gap L is reserved between the bottom of the backward movement limiting groove and the backward movement limiting block.
The clearance L is arranged to prevent the lower slide block from driving the upper slide block to move when the lower slide block just starts to move backwards, and limit is generated between the lower slide block and the upper slide block after the lower slide block moves downwards, so that the lower slide block drives the upper slide block to move backwards.
Preferably, the loose core abutment mechanism includes a loose core abutment block, and a loose core limiting assembly for limiting movement of the loose core abutment block.
The core-pulling limiting assembly is arranged, so that the core-pulling abutting block does not move in the first section of travel of the backward movement of the lower sliding block, namely, the core-pulling abutting block moves backward along with the lower sliding block after moving backward for a certain distance, and core pulling is smooth.
Preferably, the core-pulling limiting assembly comprises a core-pulling locking block, a core-pulling fixing plate for installing a core-pulling abutting block and a core-pulling base for controlling the moving direction of the core-pulling abutting block, wherein the core-pulling fixing plate is arranged between the lower sliding block and the core-pulling abutting block, the upper end of the core-pulling locking block is fixed at the bottom of the lower sliding block, and the lower end of the core-pulling locking block is arranged in the core-pulling base.
The loose core locking block is fixedly connected with the lower sliding block, so that the loose core locking block can conveniently move along with the lower sliding block, and the loose core locking block can conveniently drive the loose core fixing plate to move backwards.
Preferably, a core-pulling limiting hole is formed in the core-pulling fixing plate, the core-pulling locking block penetrates through the core-pulling limiting hole to form the core-pulling fixing plate, a locking limiting hole is formed in the core-pulling base, a clearance gap H is formed between one side, away from the product, of the core-pulling limiting hole and the core-pulling locking block in an initial state that the lower sliding block does not core, and a gap D is formed between one side, away from the product, of the locking limiting hole and the core-pulling locking block.
When the lower slider moves backwards with the core-pulling locking block, the core-pulling base is fixed in place due to the arrangement of the clearance space H, and when the lower slider moves backwards to the position where the core-pulling locking block is attached to one side, far away from a product, of the core-pulling limiting hole, the lower slider drives the core-pulling base to move backwards, so that the product is prevented from being bonded with the lower slider.
Preferably, the core-pulling base is obliquely penetrated with a core-pulling fixing plate, a core-pulling sliding structure is arranged between the core-pulling base and the core-pulling abutting block, the core-pulling sliding structure comprises a core-pulling sliding block arranged at the bottom of the core-pulling abutting block and a core-pulling sliding groove arranged on the core-pulling base, the core-pulling sliding groove on the core-pulling base is obliquely arranged, and one end of the core-pulling sliding groove, close to a product, is lower than one end, far away from the product.
When the core-pulling sliding groove is obliquely arranged to enable the core-pulling base to move backwards along with the lower sliding block, the core-pulling abutting block moves downwards, and the core-pulling fixing plate is obliquely penetrated through the core-pulling base, so that the core-pulling abutting block moves downwards to one side far away from a product in the process of moving downwards, and the core-pulling abutting block is separated from the product more smoothly.
Therefore, the invention has the following beneficial effects: the loose core is realized, and the back-off of the inclined top edge is realized at the same time of loose core, so that the operation is simple; the product is prevented from being bonded with the lower sliding block, so that the core pulling is smooth; the back-off process can not interfere with products or other parts, and the back-off is smooth.
Drawings
FIG. 1 is a schematic structural view of a slider-driven core pulling and pitched roof back-off mechanism;
FIG. 2 is a cross-sectional view of a slider-driven core pulling and pitched roof take-off mechanism and product;
FIG. 3 is a cross-sectional view of the slider-driven core pulling and pitched roof take-off mechanism after the lower slider has moved a distance rearward;
FIG. 4 is a cross-sectional view of a slider-driven core pulling and pitched roof take-off mechanism;
FIG. 5 is another cross-sectional view of a slider-driven core pulling and pitched roof take-off mechanism;
FIG. 6 is a schematic view of the structure of the upper slider;
FIG. 7 is a schematic view of the structure of the lower slider;
FIG. 8 is a schematic view of the structure between the loose core abutment block and the loose core base;
in the figure: 1. the upper sliding block 101, the inclined top edge 102, the groove 103, the positioning notch 104, the lower sliding guide groove 105, the second limiting plane 106, the backward limiting groove 107, the limiting guide rail 2, the lower sliding block 201, the first limiting plane 202, the limiting mounting groove 203, the limiting guide groove 204, the injection molding surface 3, the inclined guide post 4, the positioning block 5, the guiding fixing block 501, the guiding block 6, the backward limiting block 7, the core-pulling abutting block 701, the core-pulling sliding block 8, the core-pulling fixing plate 801, the core-pulling limiting hole 9, the core-pulling base 901, the locking limiting hole 902, the core-pulling sliding groove 10, the core-pulling locking block 11 and the product.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
Example 1:
in the embodiment 1 shown in fig. 1 and 2, a slide block driving core pulling and oblique ejection back-off mechanism comprises a core, a lower slide block for core pulling, an upper slide block for oblique ejection and a backward movement driving assembly for driving the lower slide block to backward move, wherein the upper slide block is arranged on the lower slide block 2. The backward driving assembly comprises an inclined guide post 3 arranged on the lower slider 2, the lower slider 2 is obliquely penetrated through the inclined guide post 3, the upper end of the inclined guide post 3 is close to the lower end of a product and far away from the product, an inclined top edge 101 is arranged on the upper slider 1, a groove 102 is formed in the positions of the upper slider 1 and the inclined top edge 101, and the product is embedded in the groove 102. And a back-off component for controlling the movement track of the upper sliding block 1 is arranged between the upper sliding block 1 and the lower sliding block 2 and comprises a preliminary positioning structure, a sliding guiding structure and a backward movement limiting structure. In the backward moving process of the lower slide block 2, the upper slide block 1 is firstly moved backward through the downward sliding guide structure, and then the lower slide block 2 drives the upper slide block 1 to move backward through the backward moving limiting structure, so that a product is separated from the groove 102 to finish back-off.
As shown in fig. 2, an installation gap for installing the upper slider 1 is formed in the lower slider 2, the bottom of the installation gap is inclined, an included angle formed between the side wall and the bottom of the installation gap is an obtuse angle, such a setting facilitates the backward movement of the lower slider 2 and then the downward movement of the upper slider 1, a space is free for the downward movement of the upper slider 1, the backward movement of the lower slider 2 and the downward movement of the upper slider 1 are avoided to generate interference, the preliminary positioning structure comprises a positioning block 4 fixed on the lower slider 2 and a positioning gap 103 arranged at the bottom of the upper slider 1, the width of the positioning gap 103 is matched with the width of the positioning block 4, the length of the positioning gap 103 is greater than that of the positioning block 4, the positioning block 4 is installed at the bottom of the installation gap, the opening at one side of the positioning gap 103 faces the bottom of the installation gap, and the opening at the other side faces the side of the installation gap, so that the lower slider 2 can not drive the upper slider 1 to move backward when the backward movement process is just started.
As shown in fig. 5 and 6, a guiding fixing block 5 is arranged at the side edge of the upper slider 1, the bottom of the guiding fixing block 5 is fixed on the core, the sliding guiding structure comprises a sliding guiding groove 104 arranged on the side wall of the upper slider 1 and a guiding block 501 arranged in the guiding fixing block 5, the guiding block 501 is arranged in the sliding guiding groove 104 in a sliding manner, the sliding guiding groove 104 is obliquely arranged, the upper end of the sliding guiding groove 104 is close to the product 11, the lower end of the sliding guiding groove 104 is far away from the product 11, and the upper end and the lower end of the sliding guiding groove 104 penetrate through the upper end face and the lower end face of the upper slider 1. The upper sliding block 1 slides downwards and moves backwards, so that the product can be separated from the upper sliding block, and the upper sliding block can drive the product to deform to a certain extent when the upper sliding block is not separated from the product, so that the product is easier to be separated from the back-off buckle. In addition, the inclined arrangement of the lower slide guide groove 104 is also used for matching the upper slide block 1 with the lower slide block 2 when the guide block 501 is separated from the lower slide guide groove 104, so that the lower slide block 2 is convenient to drive the upper slide block 1 to move backwards subsequently.
As shown in fig. 4, the backward movement limiting structure includes a backward movement limiting block 6 provided on the lower slider 2 and a backward movement limiting groove 106 provided on the upper slider 1, and a gap L exists between the bottom of the backward movement limiting groove 106 and the backward movement limiting block 6. A first limiting plane 201 for installing the backward movement limiting block 6 is arranged on the lower sliding block 2, a limiting installation groove 202 is arranged on the first limiting plane 201, the backward movement limiting block 6 is fixed in the limiting installation groove 202, a second limiting plane 105 for setting the backward movement limiting groove 106 is arranged on the upper sliding block 1, and a space K exists between the second limiting plane 105 and the first limiting plane 201. The setting of interval K and clearance L is in order to avoid slider 1 removal of drive when slider 2 just begins the back-moving, makes again at the same time and produces spacing between slider 2 and the slider 1 after the end of moving down, makes slider 2 drive slider 1 back-moving down.
In addition, be provided with spacing guide slot 203 in the bottom of installation breach, spacing guide slot 203 are in pairs and the symmetry sets up in the both sides of installation breach, and the bottom correspondence of last slider 1 is provided with spacing guide rail 107, and spacing guide rail 107 sets up in the guide slot.
As shown in fig. 7, an uneven injection molding surface 204 is disposed on a side surface of the lower slider 2, where the side surface is tightly attached to a product, so that the lower slider 2 needs to be moved backward to realize core pulling, in order to avoid that the lower slider 2 is moved or deformed in the process of driving the product to move backward, a core pulling abutting mechanism for abutting the product against when the lower slider 2 is located on the lower slider 2 is provided, and the core pulling abutting mechanism includes a core pulling abutting block 7 and a core pulling limiting component for limiting the movement of the core pulling abutting block 7.
As shown in fig. 3, the core-pulling limiting assembly comprises a core-pulling locking block 10, a core-pulling fixing plate 8 for installing a core-pulling abutting block 7 and a core-pulling base 9 for controlling the moving direction of the core-pulling abutting block 7, wherein the bottom of the core-pulling abutting block 7 is arranged on the core-pulling base 9 in a sliding manner, and a through hole structure penetrating through the core-pulling abutting block 7 is arranged on the core-pulling fixing plate 8. The core-pulling fixing plate 8 is arranged between the lower slide block 2 and the core-pulling abutting block 7, the upper end of the core-pulling locking block 10 is fixed at the bottom of the lower slide block 2, and the lower end of the core-pulling locking block is arranged in the core-pulling base 9. The core-pulling fixing plate 8 is provided with a core-pulling limiting hole 801, the core-pulling locking block 10 penetrates through the core-pulling limiting hole 801 to form the core-pulling fixing plate 8, the core-pulling base 9 is provided with a locking limiting hole 901, under the initial state that the lower sliding block 2 does not core-pull, one side of the core-pulling limiting hole 801, which is far away from a product, is provided with an empty clearance H between the core-pulling locking block 10, the locking limiting hole 901 is far away from a side wall of the product, and a distance D exists between the core-pulling locking block 10, and under the state, the core-pulling limiting hole 801 is close to a side wall of the product and a side wall of the locking limiting hole 901, which is close to the product, are tightly attached to the core-pulling locking block 10.
As shown in fig. 8, a core-pulling sliding structure is provided between the core-pulling base 9 and the core-pulling abutting block 7, the core-pulling sliding structure includes a core-pulling slider 701 provided at the bottom of the core-pulling abutting block 7 and a core-pulling chute 902 provided on the core-pulling base 9, the section of the core-pulling chute 902 is provided as a T-shaped structure, the core-pulling slider 701 and the core-pulling chute 902 are provided as a T-shaped slider in cooperation, in addition, the core-pulling chute 902 on the core-pulling base 9 is provided obliquely, and one end of the core-pulling chute 902 close to the product is lower than one end far away from the product.
In addition, the core-pulling sliding block 701 is also obliquely arranged, and the through hole structure on the core-pulling fixing plate 8 is also obliquely arranged, namely, the upper end of the through hole structure on the core-pulling fixing plate 8 is close to a product, and the lower end of the through hole structure is far away from the product. In order to avoid the loose core abutting block 7 from falling out, a limiting structure is arranged between the upper end of the through hole structure and the loose core abutting block 7.
When the lower slider 2 performs core pulling, the lower slider 2 is driven by the inclined guide post 3 to move backwards, the core pulling locking block 10 is fixedly connected with the lower slider 2, so that the core pulling locking block 10 moves along with the lower slider 2, inconvenience is avoided due to adhesion between the lower slider 2 and a product, when the lower slider 2 and the core pulling locking block move backwards, the core pulling base 9 is fixed in situ due to arrangement of a clearance space H, when the lower slider 2 moves backwards to the condition that the core pulling locking block 10 is attached to one side, far away from the product, of the core pulling limiting hole 801, the lower slider 2 drives the core pulling base 9 to move backwards, in the process of moving backwards, the core pulling abutting block 7 moves in a core pulling sliding groove 902 of the core pulling base 9, and because the core pulling sliding groove 902 is obliquely arranged, in the process of moving backwards along with the lower slider 2, the core pulling abutting block 7 moves downwards, and because through hole structures on the core pulling abutting block 7 and the core pulling fixing plate 8 are obliquely arranged, in the process of moving downwards, the core pulling abutting block 7 moves towards one side far away from the product; finally, when the lower slider 2 moves backwards to the side, far away from the product, of the core-pulling locking block 10 and the locking limiting hole 901, the lower slider 2 drives the core-pulling fixing plate 8 and the core-pulling abutting block 7 to move backwards together, and core pulling is completed.
It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the above description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the invention as defined in the appended claims.
Claims (4)
1. The slide block driving core pulling and inclined ejection back-off mechanism comprises a core and is characterized by further comprising an upper slide block, a lower slide block and a back-moving driving structure for driving the lower slide block to move backwards, wherein an inclined ejection edge is arranged on one side, close to a product, of the upper slide block, a back-off component for controlling the upper slide block to carry out back-off is arranged between the upper slide block and the lower slide block, and a core pulling abutting mechanism for assisting the lower slide block to carry out core pulling is arranged at the bottom of the lower slide block;
the loose core abutting mechanism comprises a loose core abutting block and a loose core limiting component used for limiting movement of the loose core abutting block; the core-pulling limiting assembly comprises a core-pulling locking block, a core-pulling fixing plate for installing a core-pulling abutting block and a core-pulling base for controlling the moving direction of the core-pulling abutting block, wherein the core-pulling fixing plate is arranged between the lower sliding block and the core-pulling abutting block, the upper end of the core-pulling locking block is fixed at the bottom of the lower sliding block, and the lower end of the core-pulling locking block is arranged in the core-pulling base;
the back-off component comprises a preliminary positioning structure, a sliding guide structure and a backward movement limiting structure;
the preliminary positioning structure comprises a positioning block fixed on the lower sliding block and a positioning notch arranged at the bottom of the upper sliding block, wherein the positioning notch is sleeved outside the positioning block, the width of the positioning notch is matched with the width of the positioning block, and the length of the positioning notch is larger than that of the positioning block;
the side of the upper sliding block is provided with a guide fixing block, the bottom of the guide fixing block is fixed on the mold core, the sliding guide structure comprises a sliding guide groove arranged on the side wall of the upper sliding block and a guide block arranged in the guide fixing block, and the guide block is arranged in the sliding guide groove in a sliding manner;
the backward limiting structure comprises a backward limiting block arranged on the lower sliding block and a backward limiting groove arranged on the upper sliding block, and a gap L is reserved between the bottom of the backward limiting groove and the backward limiting block; the sliding block is provided with a first limiting plane for installing a backward limiting block, a limiting installation groove is formed in the first limiting plane, the backward limiting block is fixed in the limiting installation groove, a second limiting plane for setting the backward limiting groove is arranged on the upper sliding block, and a space K is reserved between the second limiting plane and the first limiting plane.
2. The slide block driving core pulling and obliquely ejecting back-off mechanism according to claim 1, wherein the lower slide guide groove is obliquely arranged, the upper end of the lower slide guide groove is close to a product, the lower end of the lower slide guide groove is far away from the product, and the upper end and the lower end of the lower slide guide groove penetrate through the upper end face and the lower end face of the upper slide block.
3. The slide block driving core pulling and inclined ejection back-off mechanism according to claim 1, wherein a core pulling limiting hole is formed in the core pulling fixing plate, the core pulling locking block penetrates through the core pulling fixing plate through the core pulling limiting hole, a locking limiting hole is formed in the core pulling base, a clearance gap H is formed between one side, away from a product, of the core pulling limiting hole and the core pulling locking block in an initial state that the lower slide block does not core pulling, and a gap D is formed between one side, away from the product, of the locking limiting hole and the core pulling locking block.
4. The slide block driving core pulling and inclined ejection back-off mechanism of claim 1, wherein the core pulling base is obliquely penetrated with a core pulling fixing plate, a core pulling sliding structure is arranged between the core pulling base and the core pulling abutting block, the core pulling sliding structure comprises a core pulling slide block arranged at the bottom of the core pulling abutting block and a core pulling slide groove arranged on the core pulling base, the core pulling slide groove on the core pulling base is obliquely arranged, and one end of the core pulling slide groove close to a product is lower than one end far away from the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074867.8A CN113752484B (en) | 2021-09-14 | 2021-09-14 | Slide block driving core pulling and inclined ejection back-off mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111074867.8A CN113752484B (en) | 2021-09-14 | 2021-09-14 | Slide block driving core pulling and inclined ejection back-off mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113752484A CN113752484A (en) | 2021-12-07 |
| CN113752484B true CN113752484B (en) | 2023-08-08 |
Family
ID=78795447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111074867.8A Active CN113752484B (en) | 2021-09-14 | 2021-09-14 | Slide block driving core pulling and inclined ejection back-off mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113752484B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205522318U (en) * | 2016-01-28 | 2016-08-31 | 浙江凯华模具有限公司 | Dark barb demoulding mechanism of injection mold side |
| CN209095825U (en) * | 2018-09-30 | 2019-07-12 | 苏州特铭精密科技有限公司 | A kind of sliding block for secondary core-pulling die structure and mold |
| CN209350814U (en) * | 2018-11-30 | 2019-09-06 | 昆山金莓电子有限公司 | Band oblique top releasing structure in oblique core pulling |
| CN111873329A (en) * | 2020-08-14 | 2020-11-03 | 苏州晨旭生物科技有限公司 | Core pulling device for demoulding of injection mold |
-
2021
- 2021-09-14 CN CN202111074867.8A patent/CN113752484B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205522318U (en) * | 2016-01-28 | 2016-08-31 | 浙江凯华模具有限公司 | Dark barb demoulding mechanism of injection mold side |
| CN209095825U (en) * | 2018-09-30 | 2019-07-12 | 苏州特铭精密科技有限公司 | A kind of sliding block for secondary core-pulling die structure and mold |
| CN209350814U (en) * | 2018-11-30 | 2019-09-06 | 昆山金莓电子有限公司 | Band oblique top releasing structure in oblique core pulling |
| CN111873329A (en) * | 2020-08-14 | 2020-11-03 | 苏州晨旭生物科技有限公司 | Core pulling device for demoulding of injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113752484A (en) | 2021-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113103524B (en) | Inside oblique top of injection mold takes off back-off mechanism | |
| CN214773789U (en) | Injection mold super large angle pushes up to one side and takes off back-off mechanism | |
| CN210733164U (en) | Automobile lamp injection mold with inner reverse-buckling demolding mechanism | |
| CN113752484B (en) | Slide block driving core pulling and inclined ejection back-off mechanism | |
| CN208428590U (en) | A kind of secondary structure de- by force of built-in mould | |
| CN114559616B (en) | Delayed demolding method | |
| CN216182403U (en) | Composite sliding block structure for multi-direction core pulling | |
| CN111409237B (en) | Structure for realizing core pulling in narrow space | |
| CN115556310A (en) | Ejector-rod-free multi-cavity elbow forming die and operation method thereof | |
| CN213382692U (en) | Automatic core-pulling and demolding mechanism | |
| CN213353382U (en) | Slider is loosed core to one side and is drawn mode structure | |
| CN110480951B (en) | In-mold assembly injection molding method of injection molding part | |
| CN113211731A (en) | Double-rod inclined top core-pulling mechanism | |
| CN207044612U (en) | Secondary demolding mechanism | |
| CN215242657U (en) | Oblique-drawing secondary core-pulling sliding block die | |
| CN219650488U (en) | Novel oblique ejection mechanism for simultaneously making oblique ejection inside front die | |
| CN212352684U (en) | Material pulling device in injection molding machine | |
| CN220883188U (en) | Door plant gadget injection mold | |
| CN212684603U (en) | Side core-pulling mechanism of injection mold | |
| CN214926628U (en) | Multi-plane movement structure of die | |
| CN214645538U (en) | Automobile part injection mold sliding block delay forced-pulling demolding mechanism | |
| CN217891547U (en) | Sliding block ejection mechanism | |
| CN218196610U (en) | Injection mold device and injection molding equipment | |
| CN213353343U (en) | Injection mold for electric heater control box | |
| CN217858753U (en) | Die mould's oblique top structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |