CN109016371B - Mould with prevent slow-witted structure - Google Patents
Mould with prevent slow-witted structure Download PDFInfo
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- CN109016371B CN109016371B CN201810901191.7A CN201810901191A CN109016371B CN 109016371 B CN109016371 B CN 109016371B CN 201810901191 A CN201810901191 A CN 201810901191A CN 109016371 B CN109016371 B CN 109016371B
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- 230000000903 blocking effect Effects 0.000 claims abstract description 150
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 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
- B29C45/2673—Moulds with exchangeable mould parts, e.g. cassette moulds
- B29C45/2675—Mounting of exchangeable mould inserts
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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
- B29C45/36—Moulds having means for locating or centering cores
-
- 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
- B29C45/36—Moulds having means for locating or centering cores
- B29C2045/363—Moulds having means for locating or centering cores using a movable core or core part
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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 die with a fool-proof structure, which comprises: the first front mold is provided with a first fool-proof piece; the rear mold is provided with a first slot and a first blocking piece, the first slot is used for inserting the first foolproof piece, a first blocking position is arranged in the depth direction of the first slot, the first blocking piece is movably assembled on the rear mold, and the first blocking piece can at least partially move to the first blocking position; and the first insert is matched with the first front mold, a first driving piece is arranged on the second insert, and in the mold closing process, the first driving piece can drive the first blocking piece to move to the first blocking position so as to block the first foolproof piece. The fool-proof structure provided by the invention has the advantage of preventing the front die and the rear die from being matched.
Description
Technical Field
The invention relates to the technical field of mold injection molding, in particular to a mold with a fool-proof structure.
Background
In the production process of plastic products, the two products are quite similar in structure and only partially different in structure. In the actual production process, manufacturers are aimed at increasing the types, reducing the investment of the dies and reducing the cost, for products with different partial structures and the same general structure, the manufacturers generally only replace the front die of the product, and install a detachable insert on the rear die of the product, and the difference of the partial structures of the injection molded product is caused by the difference of the inserts installed by the rear die.
In the existing production flow, the front mould and the insert of the product are replaced manually, and the insert is more and smaller, and the front mould and the insert are marked, but the front mould and the insert are easy to mix, and once the insert is misplaced, the mould is damaged during mould closing.
Disclosure of Invention
The invention mainly aims to provide a die with a foolproof structure, and aims to solve the technical problem that inserts are easy to be misplaced when the die is replaced.
In order to achieve the above object, the present invention provides a mold with a fool-proof structure, comprising: the first front mold is provided with a first fool-proof piece; the rear mold is provided with a first slot and a first blocking piece, the first slot is used for inserting the first foolproof piece, a first blocking position is arranged in the depth direction of the first slot, the first blocking piece is movably assembled on the rear mold, and the first blocking piece can at least partially move to the first blocking position; and the first insert is matched with the first front mold, a first driving piece is arranged on the second insert, and in the mold closing process, the first driving piece can drive the first blocking piece to move to the first blocking position so as to block the first foolproof piece.
Optionally, a first chute communicated with the first slot is formed in the rear die, and the first blocking piece is inserted into the first chute; the first blocking piece is provided with a blocking end and an abutting end at two sides of the extending direction of the first sliding groove respectively, the blocking end is used for blocking the first foolproof piece, and the abutting end is used for abutting against the first driving piece.
Optionally, a second chute communicated with the first chute is further formed on the rear mold, and the first driving component is inserted into the second chute to be abutted to the abutting end.
Optionally, a first positioning piece is arranged on the first insert, the first positioning piece is inserted into the second chute, and in the mold closing process, a gap is reserved between the first positioning piece and the abutting end all the time.
Optionally, the extending direction of the first sliding groove is perpendicular to the depth direction of the first slot, and the second sliding groove extends obliquely from the second insert to the side where the first slot is located.
Optionally, a side of the first driving piece away from the second insert is provided with a first guiding surface, and the first guiding surface extends obliquely from the second insert to the side where the first slot is located; the abutting end of the first blocking piece is provided with a second guiding surface, and the second guiding surface is staggered with the extending direction of the second sliding groove.
Optionally, the abutting end of the first blocking member is provided with an abutting surface, the extending direction of the abutting surface is parallel to the extending direction of the second sliding groove, and when the end part of the first driving member away from the second insert is lower than the first blocking member in the vertical direction, the abutting surface abuts against the first driving member.
Optionally, an elastic restoring member is further disposed on the rear mold, and one end of the elastic restoring member in the deformation direction is assembled with the rear mold, and the other end of the elastic restoring member is assembled with the first blocking member, so as to provide an elastic force for the first blocking member, so that the first blocking member is driven to move in a direction away from the first slot.
Optionally, the extending direction of the elastic restoring piece is consistent with the elastic deformation direction.
Optionally, the die with the fool-proof structure further comprises a second front die matched with the second insert, and a second fool-proof piece is arranged on the second front die; the rear die is also provided with a second slot and a second blocking piece, the second slot is used for inserting the second foolproof piece, a second blocking position is arranged in the depth direction of the second slot, the second blocking piece is movably assembled on the rear die, and the second blocking piece can at least partially move to the second blocking position; and a second driving part is further arranged on the first insert, and in the mold closing process, the second driving part can drive the second blocking part to move to the second blocking position so as to block the second foolproof part.
According to the technical scheme, the second driving piece is arranged on the first insert to drive the second blocking piece to block the second foolproof piece in the die assembly process, and the first driving piece is arranged on the second insert to drive the first blocking piece to block the first foolproof piece in the die assembly process, so that when the front die is not matched with the insert on the rear die, the front die and the rear die cannot be matched with each other, and the problem that when workers put the front die and the insert wrong, the die is damaged due to die assembly is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the assembly of a first front mold and a rear mold in a mold having a fool-proof structure according to the present invention;
FIG. 2 is a schematic view showing the assembly of a first insert and a rear mold in a mold having a fool-proof structure according to the present invention;
FIG. 3 is a cross-sectional view of the first insert of FIG. 2 assembled with a rear mold;
FIG. 4 is a schematic view of a portion of the first insert of FIG. 2 assembled with a rear mold;
FIG. 5 is a schematic diagram showing the assembly of a second front mold and a rear mold in a mold having a fool-proof structure according to the present invention;
FIG. 6 is a schematic diagram showing the assembly of a second insert with a rear mold in a mold having a fool-proof structure according to the present invention;
FIG. 7 is a cross-sectional view of the second insert of FIG. 6 assembled with a rear mold;
fig. 8 is a schematic view of a portion of the second insert of fig. 6 assembled with a rear mold.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B meet at the same time. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a die with a fool-proof structure.
In an embodiment of the present invention, as shown in fig. 1 and 5, the mold includes: a first front mold 1, a second front mold 7, a rear mold 2, a first insert 4, and a second insert 5. Wherein the first front mold 1 is matched with the first insert 4, and the second front mold 7 is matched with the second insert 5. In this embodiment, the first front mold 1 is used for manufacturing a product a, the second front mold 7 is used for manufacturing a product B, the product a and the product B share a back mold 2, and the main difference between the product a and the product B is that inserts on the back mold 2 are different at the time of production, the first insert 4 is mounted on the back mold 2 at the time of production of the product a, and the second insert 5 is mounted on the back mold 2 at the time of production of the product B.
Specifically, as shown in fig. 2 and 3, a first foolproof member 11 (shown in fig. 1) is disposed on the first front mold 1, a first slot 21 and a first blocking member 3 are disposed on the rear mold 2, wherein the first slot 21 is used for inserting the first foolproof member 11, a first blocking position is disposed in a depth direction of the first slot 21, the first blocking member 3 is movably assembled on the rear mold 2, and the first blocking member 3 can at least partially move to the first blocking position;
as shown in fig. 6 and 7, the second front mold 7 is provided with a second foolproof member 71, the rear mold 2 is further provided with a second slot 24 and a second blocking member, wherein the second slot 24 is used for inserting the second foolproof member 71, a second blocking position is provided in the depth direction of the second slot 24, the second blocking member is movably assembled on the rear mold 2, and the second blocking member can at least partially move to the second blocking position.
Further, as shown in fig. 4 and 8, the second driving member 41 is provided on the first insert 4, and the first driving member 51 is provided on the second insert 5, and during the mold clamping process, the first front mold 1 or the second front mold 7 pushes the first insert 4 or the second insert 5 to move toward the side where the back mold 2 is located.
During the movement of the first insert 4, the second driving member 41 on the first insert 4 drives the second blocking member to move to the second blocking position so as to block the second foolproof member 71 on the second front mold 7, so that when the first insert 4 is mounted on the rear mold 2, the second front mold 7 and the rear mold 2 cannot be closed, and damage to the mold is avoided;
similarly, in the process of moving the second insert 5, the first driving member 51 on the second insert 5 drives the first blocking member 3 to move to the first blocking position so as to block the first foolproof member 11 on the first front mold 1, so that when the second insert 5 is mounted on the rear mold 2, the first front mold 1 and the rear mold 2 cannot be closed, and damage to the mold is avoided.
According to the technical scheme, the second driving piece 41 is arranged on the first insert 4 to drive the second blocking piece to block the second foolproof piece 71 in the die assembly process, and the first driving piece 51 is arranged on the second insert 5 to drive the first blocking piece 3 to block the first foolproof piece 11 in the die assembly process, so that when the front die and the rear die 2 are not matched, the front die and the rear die 2 cannot be matched, and the problem that when workers put the front die and the inserts wrong, the die is damaged due to die assembly is solved.
It should be noted that the present design can not only prevent the front mold and the insert of two products from being confused, but also be applied to three or more products. Specifically, when the same rear mold 2 is used for producing three different products, a third fool-proof member may be disposed on the third front mold, a third slot and a third blocking member are disposed on the rear mold 2, a third blocking position is disposed in the depth direction of the third slot, and a third driving member is disposed on the third insert.
At this time, only during the mold closing process, the second driving member 41 on the first insert 4 can drive the second blocking member and the third blocking member to move to the second blocking position and the third blocking position respectively, so as to block the second fool-proof member 71 and the third fool-proof member;
the first driving member 51 on the second insert 5 can drive the first blocking member 3 and the third blocking member to move to the first blocking position and the third blocking position respectively so as to block the first fool-proof member 11 and the third fool-proof member;
the third driving piece on the third insert can drive the first blocking piece 3 and the second blocking piece to move to the first blocking position and the second blocking position respectively so as to block the first foolproof piece 11 and the second foolproof piece 71, and can prevent the die from being closed when the front die and the insert are not corresponding to each other, thereby playing a role in protecting the die. The production of more than three products is analogized, and the description is omitted here.
When only one front mold is arranged in the mold and two inserts are simultaneously arranged, the technical scheme of the design can also be used for avoiding the wrong mounting of the inserts in the rear mold 2. Specifically, a fool-proof piece is arranged on the front die, a slot and a blocking piece are correspondingly arranged on the rear die 2, and a driving piece is arranged on an insert which is not matched with the front die, so that when the die is closed, the driving piece on the unmatched insert drives the blocking piece to move to the blocking position of the slot so as to block the fool-proof piece on the front die, thereby preventing the die from being closed and further avoiding the error of the insert.
Specifically, in the present embodiment, the second fool-proof member 71 and the first fool-proof member 11, the first blocking member 3 and the second blocking member, and the first driving member 51 and the second driving member 41 are identical in structure, and one of the same is described in detail in this embodiment.
With continued reference to fig. 7 and 8, the rear mold 2 is provided with a first chute 22 that is communicated with the first slot 21, the first blocking member 3 is inserted into the first chute 22, and two sides of the first blocking member 3 in the extending direction of the first chute 22 are respectively provided with a blocking end 32 and an abutting end 31, wherein the blocking end 32 is used for blocking the first foolproof member 11, and the abutting end 31 is used for abutting against the first driving member 51. Specifically, in the present embodiment, the first blocking member 3 is a cylindrical sliding rod, and in other implementations, the first blocking member 3 may also be a sliding member such as a sliding plate or a sliding block.
Because the first blocking piece 3 and the second blocking piece have the same structure, the rear mould 2 is correspondingly provided with a third chute for inserting the second blocking piece.
The first blocking member 3 is slidably assembled on the rear mold 2 through the first chute 22, and when the mold is closed, the first driving member 51 drives the first blocking member 3 to slide towards the side where the first slot 21 is located and extend into the first slot 21, so as to block the first slot 21 and further block the first foolproof member 11. The first blocking piece 3 is inserted into the first chute 22, so that the movement of the first blocking piece 3 is prevented from being interfered by parts on the front die or blocked by the residual material to be unable to move, and the accuracy of the movement of the first blocking piece 3 is improved.
It should be noted that, in other embodiments of the present design, the first blocking member 3 is also rotatably assembled on the rear mold 2, such as a semicircular turntable, and the first driving member 51 drives the first blocking member 3 to rotate toward the side where the first slot 21 is located during the mold closing process, so as to block the first slot 21, thereby blocking the first foolproof member 11.
Further, a second chute 23 communicating with the first chute 22 is further formed on the rear mold 2, and the first driving member 51 is inserted into the second chute 23 to abut against the abutting end 31 of the first blocking member 3. Because the first driving piece 51 is arranged on the second insert 5, the second sliding groove 23 is formed in the rear die 2 for the first driving piece 51 to be inserted, the second insert 5 can be positioned, so that the second insert 5 can be conveniently disassembled and assembled, the moving track of the first driving piece 51 can be limited, and the first driving piece 51 can drive the first blocking piece 3 more stably.
Since the first driving member 51 has the same structure as the second driving member 41, correspondingly, the rear mold 2 is also provided with a fourth chute for inserting the second driving member 41, and the fourth chute is communicated with the third chute.
Further, the first insert 4 is provided with a first positioning member 42, the first positioning member 42 is inserted into the second chute 23, that is, the first insert 4 is provided with the second driving member 41 and the first positioning member 42, when the first insert 4 is mounted on the rear mold 2, the second driving member 41 is inserted into the fourth chute, the first positioning member 42 is inserted into the second chute 23, and in the mold closing process, the abutting end 31 of the first positioning member 42 and the first blocking member 3 always has a gap.
Through the setting of first locating piece 42, can assist first mold insert 4 location, and through the cooperation of first locating piece 42 and second spout 23, can restrict the direction of motion of first mold insert 4 for in the compound die process, the motion of first mold insert 4 is more stable, so that second driving piece 41 drives the second stopper more stably. Specifically, in the present embodiment, the first positioning member 42 is a plunger provided on the first insert 4, and the length of the first positioning member 42 is shorter than that of the second driving member 41, so that the first positioning member 42 cannot always abut against the abutment end 31 of the first stopper 3 during mold clamping, and thus the first stopper 3 cannot be driven.
Correspondingly, a second positioning piece 52 is arranged on the second insert 5, and the second positioning piece 52 is inserted into the fourth chute during die assembly.
In the present embodiment, the first positioning element 42 is inserted into the second chute 23, which has the advantage of making the best use of the space in the rear mold 2, and in other embodiments, a separate positioning slot may be formed in the rear mold 2 for inserting the positioning element on the insert.
Further, the extending direction of the first runner 22 is perpendicular to the depth direction of the first slot 21, and the second runner 23 is inclined from the second insert 5 to the side where the first slot 21 is located.
Since the first blocking member 3 is slidably mounted in the first sliding groove 22, the extending direction of the first sliding groove 22 is set to be perpendicular to the depth direction of the first slot 21, the stroke required for moving the first blocking member 3 to the first blocking position can be shortened so as to prevent the mold closing in time, and meanwhile, since the moving track of the first blocking member 3 is the movement in the horizontal direction and the second insert 5 is the movement in the direction from the front mold to the rear mold 2, in order to drive the first blocking member 3, an inclined surface is required on the first driving member 51 so as to convert the movement of the second insert 5 in the vertical direction into the movement of the first blocking member 3 in the horizontal direction, and compared with the inclined surface provided on the first driving member 51, the inclined setting of the first driving member 51 can reduce the material consumption of the first driving member 51 and the occupied space, thereby being more convenient for use in the rear mold 2, and thus the second sliding groove 23 is set to be inclined.
Further, the side of the first driving member 51 away from the second insert 5 has a first guiding surface 511, and the first guiding surface 511 extends obliquely from the second insert 5 to the side where the first slot 21 is located; the abutting end 31 of the first blocking member 3 has a second guiding surface 311, and the second guiding surface 311 is offset from the extending direction of the second chute 23.
By providing the first guide surface 511 and the second guide surface 311, the movement process of the second insert 5 can be smoother, so that the first driving member 51 drives the second blocking member.
Further, the abutting end 31 of the first blocking member 3 further has an abutting surface 312, and the extending direction of the abutting surface 312 is parallel to the extending direction of the second sliding groove 23, and when the end of the first driving member 51 away from the second insert 5 is lower than the first blocking member 3 in the vertical direction, the abutting surface 312 abuts against the first driving member 51. In the present embodiment, the abutment surface 312 is located below the second guiding surface 311, and the extending direction is offset from the second guiding surface 311.
In the process that the first driving member 51 drives the first blocking member 3 to move to the first blocking position, after the end portion of the first driving member 51 away from the second insert 5 passes over the second guiding surface 311, the abutting end 31 of the first blocking member 3 abuts against the first driving member 51 through the abutting surface 312. Since the extending direction of the abutment surface 312 is parallel to the extending direction of the second chute 23, the surface contact between the first driving member 51 and the first blocking member 3 is realized, and the contact area of the surface contact is larger than that of the point contact in other embodiments, and when the first blocking member 3 abuts against the first foolproof member 11, the first blocking member 3 can more stably block the first foolproof member 11 to prevent mold clamping.
Since the first blocking member 3 has the same structure as the second blocking member, the second blocking member in the present embodiment will not be described further herein.
Further, an elastic restoring member 6 is further disposed on the rear mold 2, and one end of the elastic restoring member 6 in the deformation direction is assembled with the rear mold 2, and the other end is assembled with the first blocking member 3, so as to provide an elastic force for the first blocking member 3, so as to drive the first blocking member 3 to move in a direction away from the first slot 21.
Through the setting of first elastic component for after second mold insert 5 is taken off from back mould 2, first blocking piece 3 can be under the effect of first elastic component elastic force, to keeping away from first slot 21 direction motion, so that first slot 21 link up again, and need not the first blocking piece 3 of staff's manual operation and reset, improved the convenience of first blocking piece 3 operation.
Further, in the present embodiment, the extending direction of the elastic restoring member 6 coincides with the elastic deformation direction. Since the direction of the elastic force of the elastic restoring member 6 is parallel to the extending direction of the second chute 23, that is, the elastic deformation direction of the elastic restoring member 6 is parallel to the extending direction of the second chute 23, when the extending direction of the elastic restoring member 6 is parallel to the deformation direction, the elastic accessory can obtain a larger elastic deformation amount, so that the elastic force applied to the first blocking member 3 is increased, and the first blocking member 3 can be restored in time.
Specifically, the first chute 22 includes a first accommodating groove 221, a second accommodating groove 222 and a third accommodating groove 223 with diameters sequentially increased, wherein the third accommodating groove 223 is communicated with the first slot 21, and the second accommodating groove 222 is located between the first accommodating groove 221 and the third accommodating groove 223;
the first slot 21 includes two fourth accommodating grooves 211 and a fifth accommodating groove 212, the two fourth accommodating grooves 211 are respectively located at two opposite sides of the fifth accommodating groove 212, and the fifth accommodating groove 212 is communicated with the third accommodating groove 223.
The first blocking piece 3 is provided with an annular first blocking piece 33, and the first blocking piece 33 is accommodated in the second accommodating groove 222 and can move between the second accommodating groove 222 and the third accommodating groove 223 along with the first blocking piece 3; a second stop block 25 is fixedly arranged on one side of the fifth accommodating groove 212, which is communicated with the third accommodating groove 223, and a through groove for the first stop member 3 to pass through is arranged on the second stop block 25.
In this embodiment, the elastic restoring member 6 is a spring that is accommodated in the third accommodating groove 223 and sleeved on the first blocking member 3, and one end of the deformation direction of the spring is assembled with the first stop 33, and the other end is assembled with the second stop 25.
Correspondingly, the rear mould 2 is also provided with another elastic resetting piece 6 for driving the second blocking piece to reset.
It should be noted that, the elastic restoring member 6 of the present design is not limited to a spring, and when the first blocking member 3 is slidably assembled on the rear mold 2, the elastic restoring member 6 may also be a spring plate, a rubber pad, an elastic rope, etc.; when the first blocking member 3 is rotatably assembled on the rear mold 2, the elastic restoring member 6 may also be a torsion spring, a bending spring, or the like.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (3)
1. A mold having a fool-proof structure, comprising:
the first front mold is provided with a first fool-proof piece;
the rear mold is provided with a first slot and a first blocking piece, the first slot is used for inserting the first foolproof piece, a first blocking position is arranged in the depth direction of the first slot, the first blocking piece is movably assembled on the rear mold, and the first blocking piece can at least partially move to the first blocking position; the method comprises the steps of,
the first insert is matched with the first front die, a first driving piece is arranged on the second insert, and in the die assembly process, the first driving piece can drive the first blocking piece to move to the first blocking position so as to block the first foolproof piece;
the rear die is provided with a first chute communicated with the first slot, and the first blocking piece is inserted into the first chute; the first blocking piece is provided with a blocking end and an abutting end at two sides of the extending direction of the first sliding groove respectively, the blocking end is used for blocking the first foolproof piece, and the abutting end is used for abutting against the first driving piece;
the rear die is also provided with a second chute communicated with the first chute, and the first driving piece is inserted into the second chute so as to be abutted with the abutting end;
the first insert is provided with a first positioning piece which is inserted into the second chute, and a gap is reserved between the first positioning piece and the abutting end all the time in the die assembly process;
the first driving piece is provided with a first guide surface at one side far away from the second insert, and the first guide surface obliquely extends from the second insert to one side where the first slot is located; the abutting end of the first blocking piece is provided with a second guide surface, and the second guide surface is staggered with the extending direction of the second sliding groove;
the abutting end of the first blocking piece is provided with an abutting surface, the extending direction of the abutting surface is parallel to the extending direction of the second sliding groove, and when the end part of the first driving piece, which is far away from the second insert, is lower than the first blocking piece in the vertical direction, the abutting surface abuts against the first driving piece;
the back mold is also provided with an elastic reset piece, one end of the elastic reset piece in the deformation direction is assembled with the back mold, and the other end of the elastic reset piece is assembled with the first blocking piece and is used for providing an elastic force for the first blocking piece so as to drive the first blocking piece to move in a direction away from the first slot;
the die with the fool-proof structure further comprises a second front die matched with the second insert, and a second fool-proof piece is arranged on the second front die;
the rear die is also provided with a second slot and a second blocking piece, the second slot is used for inserting the second foolproof piece, a second blocking position is arranged in the depth direction of the second slot, the second blocking piece is movably assembled on the rear die, and the second blocking piece can at least partially move to the second blocking position;
and a second driving part is further arranged on the first insert, and in the mold closing process, the second driving part can drive the second blocking part to move to the second blocking position so as to block the second foolproof part.
2. The die with fool-proof structure of claim 1, wherein the extending direction of the first runner is perpendicular to the depth direction of the first slot, and the second runner extends obliquely from the second insert to the side where the first slot is located.
3. The die with fool-proof structure as claimed in claim 1, wherein the extending direction of the elastic restoring member is identical to the elastic deformation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901191.7A CN109016371B (en) | 2018-08-09 | 2018-08-09 | Mould with prevent slow-witted structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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|---|---|---|---|---|
| JP2011011352A (en) * | 2009-06-30 | 2011-01-20 | Kasai Kogyo Co Ltd | Method and mold for molding multi-color molded article |
| CN107415160A (en) * | 2017-06-15 | 2017-12-01 | 佛山市顺德区百年科技有限公司 | Mould |
| CN107914363A (en) * | 2017-12-20 | 2018-04-17 | 苏州川鹏塑料有限公司 | Structure for mould assembling mistake proofing |
| CN208788972U (en) * | 2018-08-09 | 2019-04-26 | 深圳市银宝山新科技股份有限公司 | A kind of mold with error-proof structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011352A (en) * | 2009-06-30 | 2011-01-20 | Kasai Kogyo Co Ltd | Method and mold for molding multi-color molded article |
| CN107415160A (en) * | 2017-06-15 | 2017-12-01 | 佛山市顺德区百年科技有限公司 | Mould |
| CN107914363A (en) * | 2017-12-20 | 2018-04-17 | 苏州川鹏塑料有限公司 | Structure for mould assembling mistake proofing |
| CN208788972U (en) * | 2018-08-09 | 2019-04-26 | 深圳市银宝山新科技股份有限公司 | A kind of mold with error-proof structure |
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