CN108819108B - Mould with plain type device of shrinking in - Google Patents
Mould with plain type device of shrinking in Download PDFInfo
- Publication number
- CN108819108B CN108819108B CN201810656033.XA CN201810656033A CN108819108B CN 108819108 B CN108819108 B CN 108819108B CN 201810656033 A CN201810656033 A CN 201810656033A CN 108819108 B CN108819108 B CN 108819108B
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- hole groove
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- driving
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- 238000007667 floating Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
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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
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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
- B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the articles
Abstract
The invention relates to the technical field of mould production, in particular to a mould with a simple inward shrinking device, a first sliding block positioned at one side of a lower mould cavity is arranged on a lower mould base in a sliding manner, a first driving hole groove is formed in the first sliding block, the inward shrinking device and a floating block which is abutted to the inward shrinking device are arranged on the first sliding block, a first driving piece which extends through the first driving hole groove and a first shovel base piece which is abutted to the floating block are arranged on an upper mould base, when the mould is closed, the upper mould base is pressed down, the inward shrinking device integrally stretches into the mould cavity, the first shovel base piece is pressed down to enable the floating block to push forwards, the inward shrinking sliding block in the inward shrinking device is outwards opened to achieve the condition of being capable of injection moulding, the mould is opened after the injection moulding is completed, the whole inward shrinking device is pulled out, the internal hot cutting of the mould is completed by using a self-contained structure without the assistance of external force, the whole production process is rapid and continuous, the whole production process is high in reliability, the whole automatic completion is realized through an injection moulding machine, the stability is good, the quality of a product is effectively ensured, the whole structure is simple, and the whole structure is easy to realize, and the cost is low.
Description
Technical Field
The invention relates to the technical field of mold production, in particular to a mold with a simple inward shrinking device.
Background
The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The method mainly realizes the processing of the appearance of the article through the change of the physical state of the formed material, and the blank is made into a tool with a workpiece with a specific shape and size under the action of external force. The method is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the molding processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by using the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated and combined. And taking out the workpiece when the workpiece is separated, and injecting the blank into the die cavity for forming when the workpiece is closed. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and machining precision, and is one of important marks of the mechanical manufacturing level.
The key point of the injection molding plastic part is that the inner side back-off demolding is realized, the main methods adopted at present are forced demolding, screw thread rotary demolding, melt core injection molding, two-step core pulling method demolding, addding a shrinking device and the like, the mold shrinking structure is a special structure in the mold industry, the minimum shrinking structure in the mold industry can only achieve a complex structure with 12mm, the cost is high, the strong demolding structure is adopted for most parts below 12mm, the injection molding cycle, the product quality and the testing performance are seriously influenced, and guests are forced to reduce the quality standard due to the limitation of the mold industry level.
Disclosure of Invention
The invention aims to solve the technical problem of providing the die with the simple retraction device, which has the advantages of simple integral structure, good stability, great improvement of production efficiency and labor saving.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a mould with simple and easy device of shrinking in, includes the upper die base, sets up in the upper die cavity of upper die base, die holder and sets up in the die holder down the die cavity, the die holder is slided and is installed the first slider that is located die cavity one side down, first drive hole groove has been seted up to first slider, is installed the device of shrinking in and is installed the slider of butt in the device of shrinking in, the upper die base is installed and is extended the first driving piece that passes in first drive hole groove and the first shovel base member of butt in the slider.
Preferably, the first slider is provided with a first inclined plane and a sliding groove communicated with the first inclined plane, the floating block is slidably arranged in the sliding groove, and the first shovel base member is provided with a second inclined plane which is abutted to the first inclined plane.
Preferably, the first driving hole groove is provided with a first braking straight surface and a first pushing inclined surface, and the first driving piece is provided with a second braking straight surface corresponding to the first braking straight surface and a second pushing inclined surface corresponding to the first pushing inclined surface.
Preferably, the lower die holder is provided with a second sliding block positioned at the other side of the lower die cavity, the second sliding block is provided with a second driving hole groove, and the upper die holder is provided with a second driving piece extending through the second hole groove and a second shovel base piece abutting against the second sliding block.
Preferably, the retraction device comprises a core loop bar, an inclined pushing piece and a retraction sliding block, wherein the inclined pushing piece is arranged on the core loop bar in a sliding mode, the retraction sliding block is arranged on the inclined pushing piece in a sliding mode, the inclined pushing piece is connected with a linkage rod, the core loop bar is provided with an elastic piece for driving the linkage rod to move, the inclined pushing piece is connected with a limiting shaft in a sliding mode, the limiting shaft is sleeved with a limiting piece, and the inclined pushing piece is abutted to the limiting piece.
Preferably, the oblique pushing piece comprises a conical part and a stabilizing part integrally formed with the conical part, the conical part is provided with a sliding boss, the inward-shrinking sliding blocks are provided with sliding grooves corresponding to the sliding bosses, the sliding bosses are movably embedded in the sliding grooves, and the number of the inward-shrinking sliding blocks is more than two.
Preferably, the inclined pushing piece is provided with a first through hole groove, the limiting piece is provided with a second through hole groove and a limiting hole groove communicated with the second through hole groove, the limiting shaft is connected with the first through hole groove, the second through hole groove and the limiting hole groove in an extending sliding mode, and the limiting shaft is provided with a jacking portion located in the limiting hole groove.
Preferably, the limiting shaft is connected with a positioning block in an extending manner, a third through hole groove for extending in the limiting shaft is formed in the positioning block, a first positioning hole groove penetrating through the third through hole groove is formed in the side face of the positioning block, a second positioning hole groove communicated with the first positioning hole groove in an aligned manner is formed in the limiting shaft, and a third positioning hole groove communicated with the first positioning hole groove and the second positioning hole groove in an aligned manner is formed in the core sleeve rod.
Preferably, the core loop bar is provided with a third driving hole groove penetrating through the body and a sliding rail groove arranged in the third driving hole groove, the linkage bar is slidably arranged in the sliding rail groove, the inclined pushing piece is provided with a buckling groove, and the linkage bar is provided with a buckling convex block corresponding to the buckling groove.
Preferably, the linkage rod is connected with a rear pull block in an extending mode, the rear pull block is connected with the first driving hole groove in a sliding mode, one end of the elastic piece is abutted to the core sleeve rod, the other end of the elastic piece is abutted to the rear pull block, the number of the linkage rods is more than two, and the rear pull block is provided with positioning pins used for fixing more than two linkage rods.
The invention has the beneficial effects that: the utility model provides a mould with simple and easy formula device that contracts in actual operation, upper die base pushes down when the mould compound die, drive first driving piece and first shovel base member push down, first driving piece is in the first driving hole inslot of die holder down slide, first hole inslot and first driving piece's cooperation makes first slider draw close to the die cavity so that the whole device that contracts stretches into in the die cavity, first shovel base member pushes down makes the slider push forward, make the slider that contracts in the device that contracts outwards open, but reach the condition of moulding plastics, open the mould after the injection molding is accomplished, first shovel base member lifts the slider that contracts in the device that contracts, but reach the condition of extracting, first driving piece lifts up and makes first slider back move, the whole of contracting device pulls out, the completion of unloading is moulded plastics, the structure that does not help oneself to accomplish the mould with the internal hot cut, whole production process is quick, and is continuous, the reliability is high, and through full automatic completion of machine, stability is good, and the product quality is easily guaranteed to the whole structure is simple, and realization cost is low.
Drawings
Fig. 1 is an exploded perspective view of the present invention.
FIG. 2 is an exploded view of a first slider, slider and first blade base member in an isometric configuration according to the present invention.
FIG. 3 is a schematic cross-sectional view of the front structure of the first slider and the first driving member according to the present invention.
Fig. 4 is a schematic perspective view of the retraction device in the present invention.
Fig. 5 is an exploded perspective view of the retraction device according to the present invention.
Fig. 6 is an exploded perspective view of the oblique pushing member and the linkage rod of the retraction device.
Fig. 7 is a schematic cross-sectional view of a front structure of a limiting shaft and a limiting member of the retraction device according to the present invention.
Detailed Description
The invention will be further illustrated by the following examples, which are not intended to limit the scope of the invention, in order to facilitate the understanding of those skilled in the art.
As shown in fig. 1 to 7, a mold with a simple retraction device comprises an upper mold base 5, an upper mold cavity 51 arranged on the upper mold base 5, a lower mold base 52 and a lower mold cavity 53 arranged on the lower mold base 52, wherein the lower mold base 52 is slidably provided with a first sliding block 6 positioned on one side of the lower mold cavity 53, the first sliding block 6 is provided with a first driving hole groove 61, a retraction device 62 and a floating block 63 which is abutted to the retraction device 62, and the upper mold base 5 is provided with a first driving piece 7 which extends through the first driving hole groove 61 and a first shovel base 8 which is abutted to the floating block 63.
In the mold with the simple inward shrinking device of this embodiment, in actual operation, when the mold is closed, the upper mold base 5 is pressed down to drive the first driving piece 7 and the first shovel base 8 to be pressed down, the first driving piece 7 slides down in the first driving hole slot 61 of the lower mold base 52, the cooperation of the first hole slot and the first driving piece 7 enables the first sliding block 6 to be close to the mold cavity so that the inward shrinking device 62 integrally stretches into the mold cavity, the pressing down of the first shovel base 8 enables the floating block 63 to push forward, the inward shrinking sliding block 21 in the inward shrinking device 62 expands outwards, the injection molding condition is achieved, the mold is opened after the injection molding is completed, the upward lifting of the first shovel base 8 enables the inward shrinking sliding block 21 in the inward shrinking device 62 to retract, the outward pulling of the whole of the inward shrinking device 62 is achieved, the injection molding is completed in a self-carrying structure without the assistance of external force, the whole production process is rapidly and continuously performed, the whole production process is high in reliability, the whole injection molding machine is easy to complete, the whole injection molding quality is guaranteed to be easy, the whole injection molding structure is easy to achieve, the whole injection molding quality is easy to be achieved, and the injection molding quality is easy to be achieved.
In this embodiment, the first slider 6 is provided with a first inclined plane 64 and a sliding groove 65 communicating with the first inclined plane 64, the slider 63 is slidably mounted in the sliding groove 65, the first shovel base 8 is provided with a second inclined plane 81 abutting against the first inclined plane 64, and the slider 63 is pushed to advance during mold closing by matching the respective inclined planes.
In this embodiment, the first driving hole slot 61 is provided with a first braking straight surface 66 and a first pushing inclined surface 67, the first driving member 7 is provided with a second braking straight surface 71 corresponding to the first braking straight surface 66, the second pushing inclined surface 72 corresponding to the first pushing inclined surface 67, the first driving member 7 and the first driving slot are provided with mutually matched structures, the first driving member 7 is lifted and pressed down, the front and back movement of the first sliding block 6 is realized, the mold closing and demolding actions are completed, the structure is simple and easy, and the manufacturing cost is greatly reduced.
In this embodiment, the lower die holder 52 is provided with a second slider 9 located at the other side of the lower die cavity 53, the second slider 9 is provided with a second driving hole slot 91, the upper die holder 5 is provided with a second driving member 92 extending through the second driving hole slot 91 and a second shovel base member 93 abutting against the second slider 9, the second driving member 92 is identical to the first driving member 7 in structure, and is formed to be different only according to the forward and backward movement, the second driving hole slot 91 is identical to the first driving hole slot 61 in structure, and the structures of the driving members can be flexibly arranged or changed according to the actual situation, so as to achieve different moving effects.
In this embodiment, the retraction device 62 includes core loop bar 1, slide install in the oblique push piece 2 of core loop bar 1 and slide install in the interior slider 21 of oblique push piece 2, oblique push piece 2 is connected with gangbar 3, and core loop bar 1 is installed and is driven the elastic component 31 of gangbar 3 motion, oblique push piece 2 sliding connection has spacing axle 4, and spacing axle 4 suit is equipped with spacing piece 41, and oblique push piece 2 butt in spacing piece 41, and gangbar 3 can be forced forward before the mould is moulded plastics for oblique push piece 2 and slide install in the interior slider 21 of oblique push piece 2 also move forward, and after the butt received spacing piece 41, interior slider 21 receives opposite force and then slides backward along the slip boss 24 on the oblique push piece 2, because of oblique push piece 2 is for the form, and interior slider 21 opens outwards along the slip, reaches the sign of moulding plastics, and the mould opens the thrust that gangbar 3 received thereupon can weaken the thrust that the elastic component 31 is greater than when the thrust of being compressed, and the whole slider 21 can be pulled out by compression, and the whole sliding mass is easy to realize, and the whole is easy and slow, and high and low in the production process is realized, and the sliding quality is easy and fast and is easy to realize, and the whole is easy and low in the production process is slowly and is easy to be scaled down.
In this embodiment, the oblique pushing member 2 includes a tapered portion 22 and a stabilizing portion 23 integrally formed with the tapered portion, the tapered portion 22 is provided with a sliding boss 24, the retracted slider 21 is provided with a sliding groove 25 corresponding to the sliding boss 24, the sliding boss 24 is movably embedded in the sliding groove 25, the number of the retracted sliders 21 is more than two, and the bosses and the grooves are mutually matched to realize orderly and stable sliding expansion and contraction of the retracted sliders 21 according to a track, so that the processes of mold assembly and demolding are well matched.
In this embodiment, the first through hole groove 28 is provided with the inclined pushing member 2, the second through hole groove 42 and the limiting hole groove 43 communicated with the second through hole groove 42 are provided with the limiting member 41, the limiting shaft 4 is connected to the first through hole groove 28, the second through hole groove 42 and the limiting hole groove 43 in a sliding manner, the limiting shaft 4 is provided with a tightening part 44 positioned in the limiting hole groove 43, the stroke of the inclined pushing member 2 is conveniently controlled by the action of the limiting hole groove 43, and the stroke of forward pushing is well controlled so that the retracted sliding block 21 stops moving at a specific position to wait for injection molding, thereby avoiding the influence of position deviation on the product quality.
In this embodiment, the locating piece 45 is connected with the extension of spacing axle 4, and the locating piece 45 has been seted up and has been supplied in the third through-hole groove 46 that spacing axle 4 stretched into, and the side of locating piece 45 has been seted up and has been run through in the first locating hole groove 47 of third through-hole groove 46, and the second locating hole groove 48 of the alignment intercommunication of first locating hole groove 47 is seted up to spacing axle 4, the core loop bar 1 has been seted up with the third locating hole groove 11 of the alignment intercommunication of first locating hole groove 47 and second locating hole groove 48, the cooperation in three locating hole groove, fine firm spacing axle 4, avoid the during operation not hard up stroke that influences inclined pushing piece 2 influences the work piece precision.
In this embodiment, the core loop bar 1 is provided with a third driving hole slot 12 penetrating through the body and a sliding rail slot 13 provided in the third driving hole slot 12, the linkage bar 3 is slidably installed in the sliding rail slot 13, the inclined pushing piece 2 is provided with a buckling groove 29, the linkage bar 3 is provided with a buckling bump corresponding to the buckling groove 29, the linkage bar 3 is integrally arranged inside the core loop bar 1, space is saved, the simple cooperation of the buckling groove 29 and the buckling bump realizes forward pushing and backward pulling, and the structure is simple and easy to realize.
In this embodiment, the linkage rod 3 is extended and connected with a rear pull block 32, the rear pull block 32 is slidably connected with the third driving hole slot 12, one end of the elastic member 31 is abutted against the core sleeve rod 1, the other end is abutted against the rear pull block 32, the number of the linkage rod 3 is more than two, the rear pull block 32 is provided with positioning pins 33 for fixing more than two linkage rods 3, the elastic member 31 in this embodiment is a spring, the automatic rear pull of the inclined push member 2 is simply realized by using the spring, the retraction motion during demoulding is completed, and the manufacturing cost is reduced.
The embodiment has the advantages that the height of the round inner wall is more than 6.5 mm, the height is more than 2.5 mm, the back-off dimension is 0.05-0.30 mm, the product demolding condition, the production condition and the product performance test condition are met, the same product performance in the test is improved by 2-3 times, the mass production stability is high, and the manufacturing cost is greatly reduced.
In the description of the present invention, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific scope of protection of the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" or "a second" feature may explicitly or implicitly include one or more such feature, and in the description of the invention, the meaning of "a number" is two or more, unless otherwise specifically defined.
In the present invention, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above examples merely represent several embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. The utility model provides a mould with simple and easy formula device that contracts, includes upper die base (5), opens upper die cavity (51) in upper die base (5), die holder (52) and opens lower die cavity (53) in die holder (52), its characterized in that: the lower die holder (52) is provided with a first sliding block (6) positioned at one side of the lower die cavity (53) in a sliding manner, the first sliding block (6) is provided with a first driving hole groove (61), a retraction device (62) and a floating block (63) which is abutted to the retraction device (62), and the upper die holder (5) is provided with a first driving piece (7) which extends through the first driving hole groove (61) and a first shovel base piece (8) which is abutted to the floating block (63);
the inward shrinking device (62) comprises a core sleeve rod (1), an oblique pushing piece (2) arranged on the core sleeve rod (1) in a sliding mode and an inward shrinking sliding block (21) arranged on the oblique pushing piece (2) in a sliding mode, the oblique pushing piece (2) is connected with a linkage rod (3), the core sleeve rod (1) is provided with an elastic piece (31) for driving the linkage rod (3) to move, the oblique pushing piece (2) is connected with a limiting shaft (4) in a sliding mode, the limiting shaft (4) is sleeved with a limiting piece (41), and the oblique pushing piece (2) is abutted to the limiting piece (41);
the inclined pushing piece (2) comprises a conical part (22) and a stabilizing part (23) which is integrally formed with the conical part (22), the conical part (22) is provided with sliding bosses (24), the inward-shrinking sliding blocks (21) are provided with sliding grooves (25) corresponding to the sliding bosses (24), the sliding bosses (24) are movably embedded in the sliding grooves (25), and the number of the inward-shrinking sliding blocks (21) is more than two;
the oblique pushing piece (2) is provided with a first through hole groove (28), the limiting piece (41) is provided with a second through hole groove (42) and a limiting hole groove (43) communicated with the second through hole groove (42), the limiting shaft (4) is connected with the first through hole groove (28), the second through hole groove (42) and the limiting hole groove (43) in an extending sliding mode, and the limiting shaft (4) is provided with a jacking part (44) positioned in the limiting hole groove (43);
the limiting shaft (4) is connected with a positioning block (45) in an extending mode, the positioning block (45) is provided with a third through hole groove (46) for the limiting shaft (4) to extend into, the side face of the positioning block (45) is provided with a first positioning hole groove (47) penetrating through the third through hole groove (46), the limiting shaft (4) is provided with a second positioning hole groove (48) which is communicated with the first positioning hole groove (47) in an aligned mode, and the core sleeve rod (1) is provided with a third positioning hole groove (11) which is communicated with the first positioning hole groove (47) and the second positioning hole groove (48) in an aligned mode;
the core sleeve rod (1) is provided with a third driving hole groove (12) penetrating through the body and a sliding rail groove (13) arranged in the third driving hole groove (12), the linkage rod (3) is arranged in the sliding rail groove (13) in a sliding mode, the inclined pushing piece (2) is provided with a buckling groove (29), and the linkage rod (3) is provided with a buckling convex block corresponding to the buckling groove (29);
the utility model discloses a mould core sleeve rod, including back pull block (32) and connecting rod, back pull block (32) are connected with in extension, this back pull block (32) sliding connection is in third drive hole groove (12), elastic component (31) one end butt is in core sleeve rod (1), and the other end butt is in back pull block (32), the quantity of gangbar (3) is more than two, and locating pin (33) that are used for fixed more than two gangbar (3) are installed to back pull block (32).
2. The mold with a simple retraction device according to claim 1 wherein: the first slider (6) is provided with a first inclined surface (64) and a sliding groove (65) communicated with the first inclined surface (64), the floating block (63) is slidably arranged in the sliding groove (65), and the first shovel base (8) is provided with a second inclined surface (81) which is abutted to the first inclined surface (64).
3. The mold with a simple retraction device according to claim 1 wherein: the first driving hole groove (61) is provided with a first braking straight surface (66) and a first pushing inclined surface (67), and the first driving piece (7) is provided with a second braking straight surface (71) corresponding to the first braking straight surface (66) and a second pushing inclined surface (72) corresponding to the first pushing inclined surface (67).
4. The mold with a simple retraction device according to claim 1 wherein: the lower die holder (52) is provided with a second sliding block (9) positioned at the other side of the lower die cavity (53), the second sliding block (9) is provided with a second driving hole groove (91), and the upper die holder (5) is provided with a second driving piece (92) extending through the second driving hole groove (91) and a second shovel base piece (93) abutting against the second sliding block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656033.XA CN108819108B (en) | 2018-06-23 | 2018-06-23 | Mould with plain type device of shrinking in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656033.XA CN108819108B (en) | 2018-06-23 | 2018-06-23 | Mould with plain type device of shrinking in |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108819108A CN108819108A (en) | 2018-11-16 |
| CN108819108B true CN108819108B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810656033.XA Active CN108819108B (en) | 2018-06-23 | 2018-06-23 | Mould with plain type device of shrinking in |
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| CN (1) | CN108819108B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318452B (en) * | 2018-11-20 | 2020-09-11 | 临海伟星新型建材有限公司 | In-mold automatic shearing sprue mold structure of plastic pipe fitting |
| CN114714582A (en) * | 2022-05-09 | 2022-07-08 | 东莞市誉鑫新能源科技有限公司 | Side hole inside buckle demoulding structure and device and side hole inside buckle demoulding method |
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| CN207105503U (en) * | 2017-08-31 | 2018-03-16 | 厦门唯科模塑科技有限公司 | A kind of extra small space internal core pulling mechanism |
| CN108115896A (en) * | 2017-12-06 | 2018-06-05 | 盐城工学院 | It is a kind of to stablize the mold realized and inside contract core pulling |
| CN208375837U (en) * | 2018-06-23 | 2019-01-15 | 东莞市誉鑫塑胶模具有限公司 | A kind of mold with compression apparatus in plain type |
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|---|---|---|---|---|
| US7549856B2 (en) * | 2007-05-10 | 2009-06-23 | Cheng Uei Precision Industry Co., Ltd. | Side core-pulling mechanism of mold |
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| CN202062590U (en) * | 2011-04-07 | 2011-12-07 | 东莞市旭通达模具塑胶有限公司 | Mold slide block motion mechanism |
| CN104526987A (en) * | 2014-12-31 | 2015-04-22 | 合兴集团有限公司 | Side core-pulling mechanism, injection mold and core-pulling method of injection mold |
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| CN207105503U (en) * | 2017-08-31 | 2018-03-16 | 厦门唯科模塑科技有限公司 | A kind of extra small space internal core pulling mechanism |
| CN108115896A (en) * | 2017-12-06 | 2018-06-05 | 盐城工学院 | It is a kind of to stablize the mold realized and inside contract core pulling |
| CN208375837U (en) * | 2018-06-23 | 2019-01-15 | 东莞市誉鑫塑胶模具有限公司 | A kind of mold with compression apparatus in plain type |
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| CN108819108A (en) | 2018-11-16 |
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Address after: No. 6 Yuhu Road, Fenggang Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Yuxin Technology Co.,Ltd. Country or region after: China Address before: 523000 No.6 Yuhu Road, Bihu Industrial Zone, Fenggang town, Dongguan City, Guangdong Province Patentee before: DONGGUAN YUXIN PLASTIC MOULD Co.,Ltd. Country or region before: China |