CN112372955A - Composite slide block arc core-pulling demoulding device - Google Patents
Composite slide block arc core-pulling demoulding device Download PDFInfo
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- CN112372955A CN112372955A CN202011291900.8A CN202011291900A CN112372955A CN 112372955 A CN112372955 A CN 112372955A CN 202011291900 A CN202011291900 A CN 202011291900A CN 112372955 A CN112372955 A CN 112372955A
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- core
- pulling
- insert
- arc
- sliding cover
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- 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
- B29C45/2602—Mould construction elements
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- 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
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- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a composite slider arc core-pulling demoulding device which comprises an upper die, a lower die and a core-pulling assembly arranged on a mounting plate, wherein the core-pulling assembly comprises a core-pulling insert, an inclined top insert and a sliding cover, the core-pulling insert is rotatably embedded in an inner cavity jointly limited by the inclined top insert and the sliding cover, a fixed seat and a connecting rod assembly which are respectively pivoted with the core-pulling insert are also arranged in the inner cavity, so that the core-pulling insert can rotate relative to a first pivot point of the fixed seat, a second pivot point between the core-pulling insert and the connecting rod assembly is eccentrically arranged, the other end of the connecting rod assembly is connected with a driving mechanism, the driving mechanism always generates pulling force on the connecting rod assembly, and the core-pulling assembly also comprises a switching. According to the invention, the core-pulling insert can be pulled out from the undercut part by pulling the connecting rod assembly backwards, and then demoulding is completed, so that the demoulding step is greatly optimized, the demoulding efficiency is improved, and the demoulding space is saved.
Description
Technical Field
The invention relates to the technical field of mold demoulding, in particular to a composite slider arc core-pulling demoulding device.
Background
In order to form a cavity matching the product contour, a plurality of sliders are generally used in an injection mold to satisfy a product cavity with a complicated structure. After the plastic product is injection molded, how to completely and nondestructively demold the injection molded plastic product becomes the key point for manufacturing the product.
In order to avoid damaging the molded plastic product, it is the best way to make the sliding block follow the upper and lower modules to be drawn out synchronously. However, for products with arc surfaces, especially for arc surfaces with inverted buckles, in order to form the arc surfaces, an arc-shaped cavity is often required, and the arc surfaces cannot be pulled out from each other, so that the formed arc surfaces are easily damaged. The demoulding in different directions is often carried out in a larger space, the processing space is enlarged, the production cost is improved, and the demoulding efficiency is not high.
Therefore, if the core-pulling and demolding of the product with the arc surface are carried out rapidly and nondestructively, the problem to be solved is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a composite slider arc core-pulling and demolding device.
The purpose of the invention is realized by the following technical scheme:
the composite sliding block arc core-pulling demoulding device comprises an upper die, a lower die and a core-pulling assembly arranged on a mounting plate, wherein the core-pulling assembly comprises a core-pulling insert, an inclined top insert and a sliding cover, the core-pulling insert is rotatably embedded in an inner cavity jointly limited by the inclined top insert and the sliding cover, the outer contour of the core-pulling insert is provided with two arc sections with different radiuses, a first arc section of the core-pulling insert is slidably attached to an arc cavity of the sliding cover, a second arc section of the core-pulling insert is matched with the arc cavity of the inclined top insert, and the radius of the second arc section of the core-pulling insert; the rear end surface of the pitched roof insert, the front end surface of the sliding cover and the outer arc surface of the core-pulling insert form an injection molding cavity together; the utility model discloses a core pulling assembly, including the cavity of loosing core, the cavity of loosing core is provided with the cavity of loosing core pivot, the cavity of loosing core is provided with the cavity of loosing core, the.
Preferably, the rear side of the pitched roof insert is provided with a concave part which is arc-shaped and concave inwards, the front end of the bottom of the sliding cover is convex outwards and is abutted against the bottom of the concave part, and the upper end surface of the front end of the bottom of the sliding cover is concave inwards to form a barb part of the injection molding cavity; the front end of the core-pulling insert is a convex end matched with the contour of the inner cavity of the inverted hook part, the convex end is clamped in the inverted hook part, and the front side of the core-pulling insert is abutted to the upper end face of the bottom of the sliding cover.
Preferably, the top of the arc cavity of the sliding cover consists of a first-stage arc and a second-stage arc, the diameter between the first-stage arc and the first pivot point is larger than the diameter between the second-stage arc and the first pivot point to form a step, the first arc section of the core-pulling insert is attached to the first-stage arc, and the second arc section is attached to the second-stage arc; the contact surface of the inner cavity of the sliding cover and the connecting rod assembly is an inclined surface.
Preferably, a groove with an inverted V-shaped cross section is formed in the center of one side of the core-pulling insert, the top of the groove is the second pivot point, the connecting rod assembly comprises a long connecting rod and a short connecting rod which are pivotally connected to the second pivot point, and the long connecting rod and the short connecting rod are pivotally connected to the core-pulling insert at the second pivot point; the other end of the short link is pivotally connected to the first pivot point.
Preferably, the driving mechanism is an oil cylinder, a T-shaped oil cylinder head is arranged at the front end of an oil cylinder rod of the driving mechanism, the oil cylinder head is clamped at the rear side of the connecting block, and the front side of the connecting block is in pivot connection with the long connecting rod.
Preferably, the switching mechanism is an elastic seat which can move up and down relative to the mounting plate, the bottom of the elastic seat is elastically connected with the mounting plate through a first spring, the top of the elastic seat is sequentially provided with an abutting part, a first sliding section and a second sliding section from left to right, the surface of the first sliding section is lower than that of the second sliding section, the joint surface between the first sliding section and the second sliding section is an inclined surface, and the front end of the connecting block is provided with a convex part matched with the height difference between the first sliding section and the second sliding section; the tail end of the fixed seat is provided with a notch matched with the abutting part, and when the convex part is positioned on the first sliding section, the notch is clamped with the abutting part; when the convex part is positioned on the second sliding section, the abutting part is lower than the bottom of the fixed seat.
Preferably, a fixed block is coaxially arranged between the driving mechanism and the sliding cover, the cylinder rod penetrates through the fixed block, two second springs symmetrically distributed on two sides of the cylinder rod are arranged between the fixed block and the sliding cover, and the fixed block is abutted to the driving mechanism under the elastic action of the second springs.
Preferably, guide strips are arranged on two sides of the mounting seat, and two sides of the sliding cover are arranged on the guide strips in a sliding manner and slide along the guide strips.
Preferably, the pitched roof insert is arranged on the top of the pitched roof and can move downwards under the driving of the pitched roof.
Preferably, two sockets are arranged on the sliding cover, a lifting shovel machine is inserted into the sockets, and the shovel machine extends downwards to abut against the side faces of the core-pulling insert so as to limit the position of the core-pulling insert.
The invention has the following beneficial effects:
1. the core-pulling insert can be pulled out from the undercut part by pulling the connecting rod assembly backwards, and then demolding is completed, so that the demolding step is greatly optimized, the demolding efficiency is improved, and the demolding space is saved;
2. the elastic seat is arranged to abut against the fixed seat at the beginning, so that the pull rod assembly can pull the core-pulling insert to rotate, and the core-pulling insert is pulled away from the inverted hook part; the elastic seat can be pressed down after the pull rod assembly is further pulled, so that the pull rod assembly is abutted against the sliding cover, the sliding cover is synchronously pulled to move backwards by pulling the core-pulling insert backwards, and the core-pulling insert is separated from the pitched roof insert;
3. the second spring is arranged to keep a distance between the sliding cover and the fixed seat, so that the sliding cover cannot be abraded with the fixed seat due to the pulling of the oil cylinder rod.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1: an explosion diagram of an embodiment of the invention;
FIG. 2: a perspective view of an embodiment of the present invention;
FIG. 3: the embodiment of the invention is a perspective view after a sliding cover is removed;
FIG. 4: a cross-sectional view of an embodiment of the invention;
FIG. 5: an enlarged view of portion a in fig. 4;
FIG. 6: FIG. 5 is a schematic view of the core insert after rotation;
FIG. 7: an enlarged view of portion B in fig. 4.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.
In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
As shown in fig. 1 to 7, the invention discloses a composite slider arc core-pulling and demolding device, which comprises an upper die, a lower die (not shown in the figure), and a core-pulling assembly arranged on a mounting plate 1, wherein the core-pulling assembly comprises a core-pulling insert 2, an inclined top insert 3 and a sliding cover 4, the core-pulling insert 2 is rotatably embedded in an inner cavity 5 jointly limited by the inclined top insert 3 and the sliding cover 4, the outer contour of the core-pulling insert 2 is provided with two arc sections with different radiuses, a first arc section 201 is slidably attached to an arc cavity of the sliding cover 4, a second arc section 202 is matched with the arc cavity of the inclined top insert 3, and the radius of the second arc section is smaller than that of the first arc section 202; the rear end surface of the pitched roof insert 3, the front end surface of the sliding cover 4 and the outer arc surface of the core-pulling insert 2 jointly form an injection molding cavity 100; still be provided with in the inner chamber 5 respectively with 2 pivot connections's of loose core mold insert fixing base 7 and link assembly 8 make loose core mold insert 2 can for the first pivot 701 of fixing base 7 rotates, second pivot 801 eccentric settings between 2 and the link assembly 8 of loose core mold insert, the other end of link assembly 8 is connected with actuating mechanism 9, actuating mechanism 9 is right link assembly 8 produces pulling force all the time, the subassembly of loosing core still includes a switching mechanism, makes the effort that link assembly 8 produced is at the pulling loose core mold insert 2 winds first pivot 701 rotates and stimulates switch between 2 and the 7 simultaneous sliding of loose core mold insert.
Specifically, as shown in fig. 4 to 7, the rear side of the pitched-roof insert 3 has a concave portion 301 which is arc-shaped and concave, the front end of the bottom of the sliding cover 4 is convex and abuts against the bottom of the concave portion 301, and the upper end surface of the front end of the bottom of the sliding cover 4 is concave to form the inverted hook portion 200 of the injection mold cavity 100; the front end of the core-pulling insert 2 is a convex end matched with the contour of the inner cavity of the inverted hook part 200, the convex end is clamped in the inverted hook part 200, and the front side of the core-pulling insert 2 is abutted to the upper end face of the bottom of the sliding cover 4. Since the front end of the bottom of the slide cover 4 protrudes outward, when the front end of the bottom of the slide cover 4 abuts against the bottom of the recessed portion 301, a gap exists between the front side surface of the slider 4 and the rear side surface of the pent-roof insert 3. In order to reduce the abrasion between the front side of the core pulling insert 2 and the upper end surface of the bottom of the sliding cover 4, the upper end surface of the bottom of the sliding cover 4 is provided with an elastic block 18, and the front side of the core pulling insert 2 is provided with a notch 206 matched with the elastic block 18, so that the hard contact between the front side of the core pulling insert 2 and the upper end surface of the bottom of the sliding cover 4 is reduced.
In order to limit the advancing position of the core-pulling insert 2, the top of the arc cavity of the sliding cover 4 is composed of a first-stage arc 401 and a second-stage arc 402, the diameter between the first-stage arc 401 and the first pivot point 701 is larger than the diameter between the second-stage arc 402 and the first pivot point 701 to form a step, the first arc section 201 of the core-pulling insert 2 is attached to the first-stage arc 401, and the second arc section 202 is attached to the second-stage arc 402. The step formed between the first-stage arc 401 and the second-stage arc 402 can block the forward movement of the core-pulling insert 2, so that a gap is formed between the core-pulling insert 2 and the inverted hook portion 200 to perform injection molding.
Further, in order to limit the rotation angle of the core pulling insert 2 rotating backwards, a contact surface 403 of the inner cavity of the sliding cover 4 contacting the connecting rod assembly 8 is an inclined surface. When the connecting rod assembly 8 is pulled backward, the connecting rod assembly 8 abuts against the contact surface 403.
As shown in fig. 4 and 5, the core back insert 2 has a groove 207 with an inverted V-shaped cross section in the center of one side, the top of the groove 207 is the second pivot point 801, the link assembly 8 includes a long link 802 and a short link 803 pivotally connected to the second pivot point 801, and the long link 802 and the short link 803 are pivotally connected to the core back insert 2 at the second pivot point 801; the other end of the short link 803 is pivotally connected to the first pivot point 701. Such a connection is such that when the long link 802 is pulled back, the long link 802 will rotate the core insert 2.
In order to keep the position of the core insert 2 during injection molding, the sliding cover 4 is provided with two sockets 404, a liftable shovel machine 17 is inserted into the sockets 404, and the shovel machine 17 extends downwards to abut against the side surface of the core insert 2 so as to limit the position of the core insert 2. The shovel machine 17 is connected with the upper die and moves upwards along with the upper die. In order to avoid hard contact between the shovel machine and the core pulling insert 2, a soft pad 205 is further arranged on the side surface of the core pulling insert 2.
In the preferred embodiment, the driving mechanism 9 is an oil cylinder, a T-shaped cylinder head 902 is disposed at a front end of a cylinder rod 901 of the oil cylinder, the cylinder head 902 is clamped at a rear side of the connecting block 12, and a front side of the connecting block 12 is pivotally connected to the long connecting rod 802. The attachment block 12 is provided to operatively connect the cylinder head 902 and the long connecting rod 802 together. In other possible embodiments, the driving mechanism 9 may also be a suitable driving mechanism such as an air cylinder capable of driving the long link 802 to move back and forth.
As shown in fig. 4 and 7, the switching mechanism is an elastic seat 10 which is movable up and down relative to the mounting plate 1, the bottom of the elastic seat 10 is elastically connected with the mounting plate 1 through a first spring 11, the top of the elastic seat 10 is provided with an abutting part 1003, a first sliding section 1001 and a second sliding section 1002 from left to right in sequence, the surface of the first sliding section 1001 is lower than the surface of the second sliding section 1002, an engaging surface 1004 between the first sliding section 1001 and the second sliding section 1002 is an inclined surface, and the front end of the connecting block 12 is provided with a sliding protrusion 1201 matched with the height difference between the first sliding section 1001 and the second sliding section 1002; the tail end of the fixed seat 7 is provided with a notch 702 matched with the abutting part 1003, and when the convex part 1201 is positioned on the first sliding section 1001, the notch 702 is clamped with the abutting part 1003; when the projection 1201 is on the second runner 1002, the abutment 1003 is lower than the bottom of the fixed seat 7.
A fixed block 13 is coaxially arranged between the driving mechanism 9 and the sliding cover 4, the cylinder rod 901 penetrates through the fixed block 13, two second springs 14 symmetrically distributed on two sides of the cylinder rod 901 are arranged between the fixed block 13 and the sliding cover 4, and the fixed block 13 is abutted against the driving mechanism 9 under the elastic action of the second springs 14. The provision of the second spring 14 improves the stability of the movement of the slide cover 4 relative to the drive mechanism 9.
In order to facilitate the stability of the movement of the sliding cover 4, guide strips 15 are arranged on two sides of the mounting seat 1, and two sides of the sliding cover 4 are slidably arranged on the guide strips 15 and slide along the guide strips 15.
As shown in fig. 2 to 4, the lifter insert 3 is disposed on the top of the lifter 16 and can be moved downward by the lifter 16 to facilitate demolding between the lifter insert 3 and the injection-molded product.
In addition, as shown in fig. 1, a fixing module 19 constituting the injection mold cavity 100 is further provided on the mounting plate 1 to assist injection molding.
The working principle of the invention is as follows:
firstly, in an initial state, a concave part 301 of an inclined top insert 3 is abutted with the front end of the bottom of a sliding cover 4, the front end of a core pulling insert 2 is reversely buckled on an inverted hook part 200, an upper die and a lower die are covered, and a shovel machine 17 is inserted into an injection molding cavity 100 to perform injection molding;
then, after the injection molding is finished, the upper die and the lower die are pulled apart, the driving mechanism 9 pulls the cylinder head 902 backwards, and pulls the connecting block 12 and the long connecting rod 802 to synchronously move backwards, at this time, the core-pulling insert 2 rotates around the first pivot point 801 and gradually leaves the inverted hook part 200, the convex part 1201 of the connecting block 12 is located at the first sliding section 1001 of the elastic seat 10, and the abutting part 1003 of the elastic seat 10 is clamped with the notch 702 of the fixed seat 7;
then, as the cylinder head 902 continues to move backwards, the convex portion 1201 of the connecting block 12 moves to the second sliding section 1002 of the elastic seat 10, at this time, the elastic seat 10 is pressed downwards, the notch 702 is separated from the abutting portion 1003, the long connecting rod 802 abuts against the contact surface 403, and the fixing seat 7, the core insert 2 and the sliding cover 4 are pulled to move backwards synchronously to be separated from the injection product 6;
simultaneously, the lifter 16 is moved downward, so that the lifter insert 3 is separated from the injection-molded product 6, and the demolding of the injection-molded product 6 is completed.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. Compound slider circular arc shedder of loosing core, including last mould and lower mould, its characterized in that: the core pulling assembly is arranged on the mounting plate (1) and comprises a core pulling insert (2), an inclined top insert (3) and a sliding cover (4), the core pulling insert (2) is rotatably embedded in an inner cavity (5) jointly limited by the inclined top insert (3) and the sliding cover (4), the outer contour of the core pulling insert (2) is provided with two arc sections with different radiuses, a first arc section (201) of the core pulling insert is slidably attached to an arc cavity of the sliding cover (4), a second arc section (202) is matched with the arc cavity of the inclined top insert (3), and the radius of the second arc section is smaller than that of the first arc section (202); the rear end face of the pitched roof insert (3), the front end face of the sliding cover (4) and the outer arc face of the core-pulling insert (2) jointly form an injection molding cavity (100); still be provided with in inner chamber (5) respectively with fixing base (7) and link assembly (8) of loosing core mold insert (2) pivot connection, make loose core mold insert (2) can for first pivot (701) of fixing base (7) rotate, second pivot (801) eccentric settings between loose core mold insert (2) and link assembly (8), the other end of link assembly (8) is connected with actuating mechanism (9), actuating mechanism (9) are right link assembly (8) produce pulling force all the time, the subassembly of loosing core still includes a switching mechanism, makes the effort that link assembly (8) produced is at the pulling loose core mold insert (2) wind first pivot (701) rotate and pulling it switches between loosing core mold insert (2) and fixing base (7) slip simultaneously.
2. The compound slider arc core-pulling demolding device according to claim 1, characterized in that: the rear side of the pitched roof insert (3) is provided with a concave part (301) which is arc-shaped and concave inwards, the front end of the bottom of the sliding cover (4) is convex outwards and is abutted against the bottom of the concave part (301), and the upper end surface of the front end of the bottom of the sliding cover (4) is concave inwards to form a barb part (200) of the injection molding cavity (100); the front end of the core-pulling insert (2) is a convex end matched with the outline of the inner cavity of the inverted hook part (200), the convex end is clamped in the inverted hook part (200), and the front side of the core-pulling insert (2) is abutted to the upper end face of the bottom of the sliding cover (4).
3. The compound slider arc core-pulling demolding device according to claim 2, characterized in that: the top of an arc cavity of the sliding cover (4) consists of a first-stage arc (401) and a second-stage arc (402), the diameter between the first-stage arc (401) and the first pivot point (701) is larger than the diameter between the second-stage arc (402) and the first pivot point (701) to form a step, a first arc section (201) of the core-pulling insert (2) is attached to the first-stage arc (401), and a second arc section (202) is attached to the second-stage arc (402); the contact surface (403) of the inner cavity of the sliding cover (4) and the connecting rod assembly (8) is an inclined surface.
4. The composite slider arc core-pulling demolding device according to claim 3, characterized in that: the center of one side of the core-pulling insert (2) is provided with a groove (207) with an inverted V-shaped cross section, the top of the groove (207) is provided with a second pivot point (801), the connecting rod assembly (8) comprises a long connecting rod (802) and a short connecting rod (803) which are pivotally connected with the second pivot point (801), and the long connecting rod (802) and the short connecting rod (803) are pivotally connected with the core-pulling insert (2) at the second pivot point (801); the other end of the short link (803) is pivotally connected to the first pivot point (701).
5. The composite slider arc core-pulling demolding device according to claim 4, characterized in that: the driving mechanism (9) is an oil cylinder, a T-shaped oil cylinder head (902) is arranged at the front end of an oil cylinder rod (901), the oil cylinder head (902) is clamped at the rear side of the connecting block (12), and the front side of the connecting block (12) is in pivot connection with the long connecting rod (802).
6. The composite slider arc core-pulling demolding device according to claim 5, characterized in that: the switching mechanism is an elastic seat (10) which can move up and down relative to the mounting plate (1), the bottom of the elastic seat (10) is elastically connected with the mounting plate (1) through a first spring (11), the top of the elastic seat (10) is sequentially provided with an abutting part (1003), a first sliding section (1001) and a second sliding section (1002) from left to right, the surface of the first sliding section (1001) is lower than the surface of the second sliding section (1002), an abutting surface (1004) between the first sliding section (1001) and the second sliding section (1002) is an inclined surface, and the front end of the connecting block (12) is provided with a convex part (1201) matched with the height difference between the first sliding section (1001) and the second sliding section (1002); the tail end of the fixed seat (7) is provided with a notch (702) matched with the abutting part (1003), and when the convex part (1201) is positioned on the first sliding section (1001), the notch (702) is clamped with the abutting part (1003); when the projection (1201) is located on the second sliding section (1002), the abutting part (1003) is lower than the bottom of the fixed seat (7).
7. The composite slider arc core-pulling demolding device according to claim 6, characterized in that: a fixed block (13) is coaxially arranged between the driving mechanism (9) and the sliding cover (4), the oil cylinder rod (901) penetrates through the fixed block (13), two second springs (14) symmetrically distributed on two sides of the oil cylinder rod (901) are arranged between the fixed block (13) and the sliding cover (4), and under the elastic action of the second springs (14), the fixed block (13) is abutted to the driving mechanism (9).
8. The compound slider arc core-pulling demolding device according to claim 7, characterized in that: guide strips (15) are arranged on two sides of the mounting seat (1), and two sides of the sliding cover (4) are arranged on the guide strips (15) in a sliding mode and slide along the guide strips (15).
9. The compound slider arc core-pulling demolding device according to claim 8, characterized in that: the pitched roof insert (3) is arranged at the top of the pitched roof (16) and can move downwards under the driving of the pitched roof (16).
10. The compound slider arc core-pulling and demolding device according to any one of claims 1 to 9, characterized in that: two sockets (404) are arranged on the sliding cover (4), a lifting shovel machine (17) is inserted into the sockets (404), and the shovel machine (17) extends downwards to abut against the side surface of the core-pulling insert (2) so as to limit the position of the core-pulling insert (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291900.8A CN112372955A (en) | 2020-11-18 | 2020-11-18 | Composite slide block arc core-pulling demoulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011291900.8A CN112372955A (en) | 2020-11-18 | 2020-11-18 | Composite slide block arc core-pulling demoulding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372955A true CN112372955A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011291900.8A Pending CN112372955A (en) | 2020-11-18 | 2020-11-18 | Composite slide block arc core-pulling demoulding device |
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| Country | Link |
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| CN (1) | CN112372955A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714581A (en) * | 2022-04-29 | 2022-07-08 | 宁波立驰塑胶科技有限公司 | Secondary inner core-pulling mold structure with locking mechanism |
-
2020
- 2020-11-18 CN CN202011291900.8A patent/CN112372955A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714581A (en) * | 2022-04-29 | 2022-07-08 | 宁波立驰塑胶科技有限公司 | Secondary inner core-pulling mold structure with locking mechanism |
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