CN116001202B - Silica gel injection mold assembly, mold and method for improving mold changing speed - Google Patents
Silica gel injection mold assembly, mold and method for improving mold changing speed Download PDFInfo
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- CN116001202B CN116001202B CN202211608267.XA CN202211608267A CN116001202B CN 116001202 B CN116001202 B CN 116001202B CN 202211608267 A CN202211608267 A CN 202211608267A CN 116001202 B CN116001202 B CN 116001202B
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000000741 silica gel Substances 0.000 title claims abstract description 29
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 29
- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008859 change Effects 0.000 claims abstract description 32
- 238000001746 injection moulding Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a silica gel injection mold assembly, a mold and a method for improving mold changing speed, which are based on a mold composed of an upper mold, a middle mold and a lower mold, wherein the two opposite sides of the mold are respectively provided with a mold changing assembly, the mold changing assembly is provided with a mold changing pull rod part, and the mold changing pull rod part is positioned outside the mold; the die change pull rod component comprises a pull rod, a side connecting rod, an upper die connecting piece and a lower die connecting piece; the die assembly, the die and the method can switch the connection state of the middle die by pushing and pulling the pull rod back and forth, so that the current method for disassembling and assembling the connecting screw is omitted, the operation is convenient and quick, the repeated switching can be realized, the die changing speed is improved, the product demoulding speed is accelerated, the working intensity of workers is reduced, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the field of injection molds, and particularly relates to a silica gel injection mold assembly, a mold and a method for improving mold changing speed.
Background
The silica gel injection mold comprises an upper mold, a middle mold and a lower mold which are sequentially arranged from top to bottom, however, the middle mold and the lower mold are usually fixed by locking screws, the disassembly and the installation of the middle mold are very troublesome, and when the mold is replaced, the middle mold and the upper mold connecting screw are required to be disassembled firstly, and then the middle mold and the lower mold connecting screw are required to be installed; and the middle die plate is heavier, so that when the middle die plate needs to be replaced, the operation is difficult and time-consuming, and the production efficiency is affected.
Disclosure of Invention
In view of the above, the present invention aims to provide a silicone injection mold assembly, a mold and a method for improving the mold changing speed, so as to improve the mold changing speed, speed the product demolding speed and improve the production efficiency.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
The silica gel injection mold assembly capable of improving the mold changing speed is based on a mold composed of an upper mold, a middle mold and a lower mold, wherein the mold changing assemblies are respectively arranged on two opposite sides of the mold, a mold changing pull rod component is assembled on the mold changing assemblies, and the mold changing pull rod component is positioned outside the mold;
The die change pull rod component comprises a pull rod, a side connecting rod, an upper die connecting piece and a lower die connecting piece; the two ends of the pull rod are connected with side connecting rods, an upper die connecting piece and a lower die connecting piece are fixedly arranged on the side connecting rods, the upper die connecting piece and the lower die connecting piece are mutually arranged at intervals and respectively extend to an upper die and a lower die, and an upper die moving bolt and a lower die moving bolt are respectively arranged on the upper die connecting piece and the lower die connecting piece;
The die changing assembly comprises an upper die limiting part, a lower die limiting part and a die changing connecting part, and the upper die limiting part and the lower die limiting part are respectively fixedly connected with the upper die and the lower die; the die change connecting piece is positioned between the upper die connecting piece and the lower die connecting piece, the die change connecting piece is fixedly connected with the middle die, and the die change connecting piece comprises a lower die connecting piece, a middle die connecting piece and an upper die connecting piece which are sequentially connected with each other from bottom to top; the lower die connecting blocks and the upper die connecting blocks are staggered at the same size and position, extend to the lower die and the upper die respectively and are arranged at intervals with the lower die and the upper die respectively; the lower die connecting block, the middle die connecting block and the upper die connecting block are respectively provided with a lower die bolt hole, a middle die bolt hole and an upper die bolt hole, and the axes of the lower die bolt hole, the middle die bolt hole and the upper die bolt hole are arranged along the side edge of the die and are parallel to each other; the upper die limiting piece and the lower die limiting piece are respectively abutted with the left side end of the upper die connecting block and the right side end of the lower die connecting block;
The side connecting rod is assembled in the middle die bolt hole and can reciprocate along the middle die bolt hole; the upper die moving bolt is assembled in the upper die bolt hole and can reciprocate along the upper die bolt hole; the lower die moving bolt is assembled in the lower die bolt hole and can move back and forth along the lower die bolt hole.
Further, the length of the upper die moving bolt is the same as the length of the lower die moving bolt, which is called a pull rod moving amount, and the upper die connecting piece and the lower die connecting piece are spaced apart from each other by a distance equal to the width of the middle die connecting piece plus the pull rod moving amount.
Furthermore, the whole Z shape that is of retooling connecting piece, well mould connecting block wholly is square, and mould connecting block is gone up in its upper top surface connection, and lower mould connecting block is connected to its lower top surface, and the width of lower mould connecting block, last mould connecting block is less than the width of well mould connecting block.
Further, the widths of the lower die connecting block and the upper die connecting block are smaller than or equal to one half of the width of the middle die connecting block.
Further, the lower die connecting block, the middle die connecting block and the upper die connecting block are connected with each other to form an integrated structure.
Further, the mold replacing component comprises four mold replacing components which are symmetrically arranged on two opposite sides of the mold.
Further, the maximum pull-out distance of the pull rod of the die-changing pull rod component relative to the die is 75cm-80cm.
Further, the upper end face and the lower end face of the die change connecting piece are equal to or lower than the upper top face of the upper die and the lower top face of the lower die;
In a second aspect, the invention provides a silica gel injection mold capable of improving mold changing speed, which comprises an upper mold, a middle mold and a lower mold, wherein the silica gel injection mold assembly is arranged on the mold.
In a third aspect, the invention provides a method for improving mold changing speed, which is based on the silica gel injection mold assembly and comprises the following steps:
Step one, pushing a pull rod backwards to drive a die change pull rod component to move backwards, and inserting a lower die moving bolt into a lower die bolt hole to enable a middle die and a lower die to be in a connection state; simultaneously, pushing out the upper die moving bolt from the upper die bolt hole to enable the middle die and the upper die to be in a non-connection state; starting a silica gel injection molding machine to move the upper die to a first preset position, so as to realize separation of a product and a water gap;
step two, pulling the pull rod forwards to drive the die change pull rod component to move forwards, and pulling out the lower die moving bolt from the lower die bolt hole to enable the middle die and the lower die to be in a non-connection state; simultaneously, an upper die moving bolt is inserted into an upper die bolt hole, so that the middle die and the upper die are in a connection state; and starting the silica gel injection molding machine to remove the upper die and the middle die to a second preset position, and separating the product from the middle die.
Compared with the prior art, the silica gel injection mold assembly, the mold and the method for improving the mold changing speed have the following advantages:
According to the die assembly, the die and the method, when the die is replaced, the pull rod is manually pushed backwards, so that the middle die is switched to be connected with the lower die, and the pull rod is manually pulled forwards, so that the middle die is switched to be connected with the upper die; the invention replaces the prior method of fixing by locking screws, avoids repeated disassembly and assembly of screws, simplifies operation steps and improves production efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a top view of the overall structure of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of a mold change connection and its connection structure according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a mold changing connector and a connection structure thereof according to an embodiment of the present invention;
FIG. 5 is a schematic view of a die change lever assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a die change lever assembly according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a die change lever member according to an embodiment of the present invention.
Reference numerals illustrate:
1-a pull rod; 2-side links; 3-a lower die connecting piece; 4-an upper die limiting piece; 5-die change connectors; 6-an upper die connecting piece; 8-a lower die limiting piece; 101-upper die; 102-middle mold; 103-lower die; 201-upper mold moving bolt; 202-lower mold moving pins; 301-connecting blocks of the lower die; 302-lower die bolt holes; 303-middle die connecting block; 304-middle mould bolt holes; 305-an upper die connecting block; 306-upper die bolt hole.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, a silica gel injection mold for improving mold changing speed is based on a mold composed of an upper mold 101, a middle mold 102 and a lower mold 103, wherein mold changing assemblies are respectively arranged on two opposite sides of the mold, mold changing pull rod components are assembled on the mold changing assemblies, and the mold changing pull rod components are positioned outside the mold;
As shown in fig. 1 and2, the die change pull rod component comprises a pull rod 1, a side connecting rod 2, an upper die connecting piece 6 and a lower die connecting piece 3; the two ends of the pull rod 1 are connected with the side connecting rods 2, an upper die connecting piece 6 and a lower die connecting piece 3 are fixedly arranged on the side connecting rods 2, the upper die connecting piece 6 and the lower die connecting piece 3 are mutually arranged at intervals and respectively extend to the upper die 101 and the lower die 103, and an upper die moving bolt 201 and a lower die moving bolt 202 are respectively arranged on the upper die connecting piece 6 and the lower die connecting piece 3;
As shown in fig. 3, the die changing assembly comprises an upper die limiting part 4, a lower die limiting part 8 and a die changing connecting part 5, wherein the upper die limiting part 4 and the lower die limiting part 8 are respectively fixedly connected with an upper die 101 and a lower die 103; the die change connecting piece 5 is positioned between the upper die connecting piece 6 and the lower die connecting piece 3, the die change connecting piece 5 is fixedly connected with the middle die 102, and the die change connecting piece 5 comprises a lower die connecting piece 301, a middle die connecting piece 303 and an upper die connecting piece 305 which are sequentially connected with each other from bottom to top; the lower die connecting blocks 301 and the upper die connecting blocks 305 are staggered at the same size and position, extend to the lower die 103 and the upper die 101 respectively, and are arranged at intervals with the lower die 103 and the upper die 101 respectively; the lower die connecting block 301, the middle die connecting block 303 and the upper die connecting block 305 are respectively provided with a lower die bolt hole 302, a middle die bolt hole 304 and an upper die bolt hole 306, and the axes of the lower die bolt hole 302, the middle die bolt hole 304 and the upper die bolt hole 306 are arranged along the side edges of the die and are parallel to each other; the upper die limiting piece 4 and the lower die limiting piece 8 are respectively abutted with the left side end of the upper die connecting block 305 and the right side end of the lower die connecting block 301;
As shown in fig. 1 and 3, the side link 2 is fitted in the middle bolt hole 304 and can reciprocate along the middle bolt hole 304; the upper die moving bolt 201 is assembled in the upper die bolt hole 306 and can reciprocate along the upper die bolt hole 306; the lower die moving pin 202 is fitted in the lower die pin hole 302 to reciprocate along the lower die pin hole 302.
As shown in fig. 5, the length of the upper die moving pin 201 is the same as the length of the lower die moving pin 202, which is called a draw bar moving amount, and the upper die connecting piece 6 and the lower die connecting piece 3 are spaced apart from each other by a distance equal to the width of the middle die connecting piece 303 plus the draw bar moving amount.
As shown in fig. 4, the die-change connector 5 is integrally Z-shaped, the middle die connector 303 is integrally square, the upper top surface thereof is connected with the upper die connector 305, the lower top surface thereof is connected with the lower die connector 301, and the widths of the lower die connector 301 and the upper die connector 305 are smaller than the width of the middle die connector 303.
The widths of the lower die connecting block 301 and the upper die connecting block 305 are less than or equal to one half of the width of the middle die connecting block 303.
As shown in fig. 3, the lower die connecting block 301, the middle die connecting block 303 and the upper die connecting block 305 are connected to each other as an integral structure.
As shown in fig. 2, the mold changing assembly includes four mold changing modules symmetrically disposed on opposite sides of the mold.
As shown in fig. 2, the maximum pull distance of the tie rod 1 of the die change tie member with respect to the die is 75cm-80cm.
As shown in fig. 4, the upper end surface and the lower end surface of the die change connector 5 are equal to or lower than the upper top surface of the upper die 101 and the lower top surface of the lower die 103.
According to the silica gel injection mold assembly and the mold for improving the mold changing speed, the mold changing pull rod component is matched with the mold changing component, so that quick mold changing is realized; when the die is replaced, the pull rod is pulled or pushed to drive the upper die connecting piece 6 and the lower die connecting piece 3 of the side pull rod to move back and forth, so that the following actions are realized: the side pull rod moves backwards, so that the lower die moving bolt can be inserted into the lower die bolt hole, and the middle die and the lower die are in a connection state; simultaneously pushing out the upper die moving bolt from the upper die bolt hole to enable the middle die and the upper die to be in a non-connection state, starting the silica gel injection molding machine to move the upper die away, and therefore separation of the upper die and the middle die is achieved; the second action, the side pull rod moves forward, the lower die moving bolt is pulled out from the lower die bolt hole, and the middle die and the lower die are in a non-connection state; simultaneously, an upper die moving bolt is inserted into an upper die bolt hole, so that the middle die and the upper die are in a connection state, a silica gel injection molding machine is started to move the upper die away, the upper die is driven to move away, and die replacement is realized; according to the die assembly and the die, the connecting state of the middle die can be conveniently switched to the connection of the middle die and the upper die or the connection of the middle die and the lower die by pulling the pull rod, the operation is convenient and quick, and the repeated switching can be realized, so that the die changing speed is improved, the product demoulding speed is accelerated, the working strength of workers is reduced, and the production efficiency is improved.
The invention also provides a method for improving the die changing speed, which comprises the following steps:
Step one, pushing the pull rod backwards to drive the die change pull rod part to move backwards, and inserting a lower die moving bolt into a lower die bolt hole to enable the middle die and the lower die to be in a connection state as shown in fig. 6; simultaneously, pushing out the upper die moving bolt from the upper die bolt hole to enable the middle die and the upper die to be in a non-connection state; starting a silica gel injection molding machine to move the upper die to a first preset position, so as to realize separation of a product and a water gap;
As shown in fig. 7, step two, pulling the pull rod forward to drive the die change pull rod component to move forward, and pulling the lower die moving bolt out of the lower die bolt hole to enable the middle die and the lower die to be in a non-connection state; simultaneously, an upper die moving bolt is inserted into an upper die bolt hole, so that the middle die and the upper die are in a connection state; and starting the silica gel injection molding machine to remove the upper die and the middle die to a second preset position, and separating the product from the middle die. The first predetermined position and the second predetermined position are preset, and may be set according to the size and structure of the workpiece.
According to the method for improving the die changing speed, when the dies are changed, the pull rod is manually pushed backwards, so that the middle die is switched to be connected with the lower die, and the silica gel injection molding machine is started to move the upper die to the first preset position; the pull rod is pulled forward manually, so that the middle die can be switched to be in a state of being connected with the upper die, and the silica gel injection molding machine is started to move the upper die and the middle die to a second preset position; by using the method provided by the invention, the connecting state of the middle die can be switched by pushing and pulling the pull rod back and forth, the method of firstly disassembling the connecting screw of the middle die and the upper die and then installing the connecting screw of the middle die and the lower die is omitted, the operation is convenient and quick, and the switching can be repeated, so that the die changing speed is improved, the product demoulding speed is accelerated, the working strength of workers is reduced, and the production efficiency is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. Silica gel injection mold assembly for improving mold changing speed is based on a mold combined by an upper mold, a middle mold and a lower mold, and is characterized in that: the die replacing assemblies are respectively arranged on two opposite sides of the die, die replacing pull rod components are assembled on the die replacing assemblies, and the die replacing pull rod components are positioned outside the die;
The die change pull rod component comprises a pull rod, a side connecting rod, an upper die connecting piece and a lower die connecting piece; the two ends of the pull rod are connected with side connecting rods, an upper die connecting piece and a lower die connecting piece are fixedly arranged on the side connecting rods, the upper die connecting piece and the lower die connecting piece are mutually arranged at intervals and respectively extend to an upper die and a lower die, and an upper die moving bolt and a lower die moving bolt are respectively arranged on the upper die connecting piece and the lower die connecting piece;
The die changing assembly comprises an upper die limiting part, a lower die limiting part and a die changing connecting part, and the upper die limiting part and the lower die limiting part are respectively fixedly connected with the upper die and the lower die; the die change connecting piece is positioned between the upper die connecting piece and the lower die connecting piece, the die change connecting piece is fixedly connected with the middle die, and the die change connecting piece comprises a lower die connecting piece, a middle die connecting piece and an upper die connecting piece which are sequentially connected with each other from bottom to top; the lower die connecting blocks and the upper die connecting blocks are staggered at the same size and position, extend to the lower die and the upper die respectively and are arranged at intervals with the lower die and the upper die respectively; the lower die connecting block, the middle die connecting block and the upper die connecting block are respectively provided with a lower die bolt hole, a middle die bolt hole and an upper die bolt hole, and the axes of the lower die bolt hole, the middle die bolt hole and the upper die bolt hole are arranged along the side edge of the die and are parallel to each other; the upper die limiting piece and the lower die limiting piece are respectively abutted with the left side end of the upper die connecting block and the right side end of the lower die connecting block;
The side connecting rod is assembled in the middle die bolt hole and can reciprocate along the middle die bolt hole; the upper die moving bolt is assembled in the upper die bolt hole and can reciprocate along the upper die bolt hole; the lower die moving bolt is assembled in the lower die bolt hole and can move back and forth along the lower die bolt hole.
2. The silica gel injection mold assembly for improving mold changing speed according to claim 1, wherein: the length of the upper die moving bolt is the same as that of the lower die moving bolt, the length is called a pull rod moving amount, and the distance between the upper die connecting piece and the lower die connecting piece is equal to the width of the middle die connecting piece plus the pull rod moving amount.
3. The silica gel injection mold assembly for improving mold changing speed according to claim 1, wherein: the die change connecting piece is integrally Z-shaped, the middle die connecting piece is integrally square, the upper top surface of the middle die connecting piece is connected with the upper die connecting piece, the lower top surface of the middle die connecting piece is connected with the lower die connecting piece, and the widths of the lower die connecting piece and the upper die connecting piece are smaller than the width of the middle die connecting piece.
4. A silicone injection mold assembly for increasing mold change speed as set forth in claim 3 wherein: the widths of the lower die connecting block and the upper die connecting block are smaller than or equal to one half of the width of the middle die connecting block.
5. A silicone injection mold assembly for increasing mold change speed as set forth in claim 3 wherein: the lower die connecting block, the middle die connecting block and the upper die connecting block are connected into an integral structure.
6. The silica gel injection mold assembly for improving mold changing speed according to claim 1, wherein: the die replacing components comprise four die replacing components which are symmetrically arranged on two opposite sides of the die.
7. The silica gel injection mold assembly for improving mold changing speed according to claim 1, wherein: the maximum pull-out distance of the pull rod of the die-changing pull rod component relative to the die is 75cm-80cm.
8. The silica gel injection mold assembly for improving mold changing speed according to claim 1, wherein: the upper end face and the lower end face of the die change connecting piece are equal to or lower than the upper top face of the upper die and the lower top face of the lower die.
9. Silica gel injection mold capable of improving mold changing speed, and is characterized in that: the mould comprises an upper mould, a middle mould and a lower mould, wherein the mould is provided with the mould assembly as claimed in any one of claims 1 to 8.
10. A method of increasing the speed of mold change, characterized in that it is based on a mold assembly according to any of claims 1 to 8, comprising the steps of:
Step one, pushing a pull rod backwards to drive a die change pull rod component to move backwards, and inserting a lower die moving bolt into a lower die bolt hole to enable a middle die and a lower die to be in a connection state; simultaneously, pushing out the upper die moving bolt from the upper die bolt hole to enable the middle die and the upper die to be in a non-connection state; starting a silica gel injection molding machine to move the upper die to a first preset position, so as to realize separation of a product and a water gap;
step two, pulling the pull rod forwards to drive the die change pull rod component to move forwards, and pulling out the lower die moving bolt from the lower die bolt hole to enable the middle die and the lower die to be in a non-connection state; simultaneously, an upper die moving bolt is inserted into an upper die bolt hole, so that the middle die and the upper die are in a connection state; and starting the silica gel injection molding machine to remove the upper die and the middle die to a second preset position, and separating the product from the middle die.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211608267.XA CN116001202B (en) | 2022-12-14 | 2022-12-14 | Silica gel injection mold assembly, mold and method for improving mold changing speed |
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| CN202211608267.XA CN116001202B (en) | 2022-12-14 | 2022-12-14 | Silica gel injection mold assembly, mold and method for improving mold changing speed |
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| CN116001202A (en) | 2023-04-25 |
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