CN113752620B - Quick die changing structure of upper die and related equipment and method - Google Patents
Quick die changing structure of upper die and related equipment and method Download PDFInfo
- Publication number
- CN113752620B CN113752620B CN202111151921.4A CN202111151921A CN113752620B CN 113752620 B CN113752620 B CN 113752620B CN 202111151921 A CN202111151921 A CN 202111151921A CN 113752620 B CN113752620 B CN 113752620B
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- die
- upper die
- telescopic
- sliding block
- telescopic end
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- 238000000034 method Methods 0.000 title abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000003475 lamination Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/026—Mounting of dies, platens or press rams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/004—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by cold pressure welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application provides a quick die change structure of an upper die, and related equipment and a method, wherein the structure comprises the following components: the telescopic mechanism is connected with the lifting mechanism and comprises a telescopic end which can be telescopic in the horizontal direction; the locking mechanism is connected to the upper die and comprises a stress application piece and a first surface, and when the telescopic end is inserted between the stress application piece and the first surface, the stress application piece can provide vertical downward force so that the lower surface of the telescopic end of the telescopic mechanism is attached to the first surface. The vertical downward force provided by the stressing piece enables the lower surface of the telescopic end of the telescopic mechanism to be attached to the first surface of the locking mechanism, so that the upper die is easily attached to the lower die, and the requirement on structural precision is reduced. Meanwhile, the quick replacement of the upper die can be realized, and the processing requirements of different products are met.
Description
Technical Field
The invention relates to a die replacement technology, in particular to an upper die quick die replacement structure, and related equipment and method.
Background
In equipment such as a vacuum laminator, it is necessary to complete the processing of the product by combining the upper die with the lower die. The existing upper die is generally connected with equipment through bolts, when the upper die needs to be replaced, the die replacement is difficult and the die replacement time is long due to the fact that the internal space of the equipment is narrow and the disassembling and assembling process is complex.
In order to solve the problem of die changing, in the prior art, patent CN201120119816.8 provides a die quick-change structure, which utilizes the cooperation between a telescopic locking member and a pin to realize locking and unlocking, so that the die can be quickly disassembled during die changing. However, the structure utilizes that after the front end of the locking piece is inserted into the locking groove, the first inclined surface and the second inclined surface are mutually clung to realize the locking of the upper die. Because the factors such as the protruding amount of each locking piece, the gradient of the first inclined plane, the gradient of the second inclined plane, the upper die position and the like can all influence the upper die posture, the locking structure has very high requirements on the processing precision. When any factor has errors, the upper die can generate an inclined angle, so that the upper die and the lower die cannot be completely attached, and a closed vacuum cavity is difficult to form. For equipment such as a vacuum laminator, which has high requirements for sealing the upper and lower dies, the structure is difficult to meet the requirements.
Disclosure of Invention
The invention aims to provide an upper die quick die changing structure, related equipment and related method, which are easy to ensure that an upper die is attached to a lower die.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
According to an aspect of the present invention, there is provided an upper die quick-change die structure including:
the telescopic mechanism is connected with the lifting mechanism and comprises a telescopic end which can be telescopic in the horizontal direction;
the locking mechanism is connected to the upper die and comprises a stress application piece and a first surface, and when the telescopic end is inserted between the stress application piece and the first surface, the stress application piece can provide vertical downward force so that the lower surface of the telescopic end of the telescopic mechanism is attached to the first surface.
In one embodiment, the force-applying member provides a spring force.
In one embodiment, the elastic force is 2-3 times of the self gravity of the upper die.
In one embodiment, the force member is a spring.
In an embodiment, the locking mechanism comprises a connecting block and a sliding block, a movable opening is formed in the connecting block, the sliding block is arranged in the movable opening and can move along the vertical direction, the spring is connected between the upper surface of the sliding block and the upper surface of the movable opening, the first surface is the lower surface of the movable opening, and the telescopic end can be inserted between the lower surface of the sliding block and the lower surface of the movable opening.
In one embodiment, the number of the locking mechanism and the telescopic mechanism is four.
In an embodiment, the locking mechanism further comprises a jacking rod and a connecting piece, a vertical hole is formed in the connecting piece, the jacking rod penetrates through the vertical hole, the upper end of the jacking rod is connected with the sliding block, and the lower end of the jacking rod is connected with the connecting piece.
According to a second aspect of the present invention, there is provided a vacuum lamination apparatus, including the above-mentioned upper die quick die change structure, further including an upper die, a lifting mechanism and a lower die, wherein the telescopic mechanism of the upper die locking structure is connected with the lifting mechanism, the locking mechanism of the upper die locking structure is connected with the upper die, and the lower die is disposed below the upper die.
According to a third aspect of the present invention, there is provided a rapid prototyping method of a vacuum lamination apparatus as described above, comprising:
placing a die change special carrier on the lower die, wherein a jacking plate is arranged on the die change special carrier;
placing the upper die on a special die change carrier;
the lifting mechanism is pressed down, and the lifting plate drives the sliding block to lift in the process;
the telescopic end of the telescopic mechanism extends out and is inserted between the lower surface of the sliding block and the lower surface of the movable opening;
the lifting mechanism drives the upper die to ascend, and the sliding block descends and compresses the telescopic end of the telescopic mechanism in the process.
According to a fourth aspect of the present invention, there is provided a rapid stripping method of a vacuum lamination apparatus as described above, comprising:
placing a die change special carrier on the lower die, wherein a jacking plate is arranged on the die change special carrier;
the lifting mechanism drives the upper die to press downwards, and the lifting plate drives the sliding block to lift in the process;
the telescopic end of the telescopic mechanism is retracted from the position between the lower surface of the sliding block and the lower surface of the movable opening;
the lifting mechanism is lifted, and the upper die is left on the special die changing carrier.
The embodiment of the invention has the beneficial effects that: the vertical downward force provided by the stressing piece enables the lower surface of the telescopic end of the telescopic mechanism to be attached to the first surface of the locking mechanism, so that the upper die and the lower die are easily attached, and the requirement on machining precision is reduced. Meanwhile, the quick replacement of the upper die can be realized, and the processing requirements of different products are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The above features and advantages of the present invention will be better understood after reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, the components are not necessarily to scale and components having similar related features or characteristics may have the same or similar reference numerals.
FIG. 1 is a block diagram of a telescoping mechanism and a locking mechanism in an embodiment of the present application;
FIG. 2 is a schematic diagram of the connection between the telescopic mechanism and the lifting mechanism (part) in the embodiment of the present application;
FIG. 3 is a schematic diagram illustrating a connection relationship between a locking mechanism and an upper die in an embodiment of the present application;
FIG. 4 is a block diagram of a locking mechanism in an embodiment of the present application;
FIG. 5 is a schematic diagram of the connection relationship of the same side locking mechanism in the embodiment of the present application;
FIG. 6 is a schematic view of a telescoping mechanism in an embodiment of the present application;
FIG. 7 is an exploded view of FIG. 6;
wherein: 1-a locking mechanism; 11-connecting blocks; 111-a movable port; 111 a-a first surface; 112-limit surface; 12-a slider; 13-a stress member; 13' -spring; 14-lifting the rod; 15-connecting piece; 2-a telescopic mechanism; 21-cylinder; 22-a lower limiting block; 23-upper limiting blocks; 24-connecting ends; 25-telescopic blocks; 251-telescoping end; 251 a-groove; 3-upper die; 4-lifting plate.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments. It is noted that the aspects described below in connection with the drawings and the specific embodiments are merely exemplary and should not be construed as limiting the scope of the invention in any way.
As shown in fig. 1, the embodiment of the present application provides a quick die changing structure for an upper die, which includes a telescopic mechanism 2 (as shown in fig. 2) connected to a lifting mechanism and a locking mechanism 1 (as shown in fig. 3) connected to an upper die 3, and only one lifting plate 4 of the lifting mechanism is shown in fig. 2 for clarity. Wherein, the telescopic mechanism 2 comprises a telescopic end 251 which can be telescopic in the horizontal direction; the locking mechanism 1 includes a force member 13 and a first surface 111a, the force member 13 being capable of providing a vertically downward force to cause the lower surface of the telescoping end 251 of the telescoping mechanism to engage the first surface 111a when the telescoping end 251 is interposed between the force member 13 and the first surface 111a.
The main improvement over prior art bevel lock arrangements is that the vertical downward force provided by the gussets 13 compresses the telescoping end 251 and effects the lock. For example, the force applying member 13 may be a cam roller disposed above the first surface 111a, which rotates and contacts the upper surface of the telescopic end 251 to apply downward pressure to press the telescopic end 251 after the telescopic end 251 is inserted between the force applying member 13 and the first surface 111a. Under the action of the urging member 13, the telescopic end 251 is always fitted to the first surface 111a, so that only the flatness of the telescopic end 251 and the first surface 111a affects the posture of the upper die 3. When there are a plurality of telescopic mechanisms 2 and locking mechanisms 1, the respective locking mechanisms 1 do not affect the posture of the upper die 3 even if the forces provided by the urging members 13 are slightly different. Therefore, the structure is easy to enable the upper die to be attached to the lower die, and the requirement on machining precision is reduced.
Further, the inventors found that the structure of the cam roller is relatively liable to fail, and when the cam roller fails, the upper die 3 is liable to drop and damage the upper and lower dies, and therefore, it is preferable to employ a biasing member that provides an elastic force to allow the amount of displacement in the vertical direction to occur. The elastic force is derived from object deformations such as springs, rubber blocks, even compressed air, magnetic fields, etc. Compared with the pressure provided by the mechanical structure of the cam roller, the elastic force is more stable and is not easy to fail, and even if the elastic force fails, the elastic force can still provide the pressure, so that the upper die cannot fall off.
In order to ensure that the telescopic ends 251 are pressed, the elastic force can be designed to be 2-3 times of the self gravity of the upper die, and when a plurality of telescopic mechanisms 2 and locking mechanisms 1 exist, the sum of the elastic force received by each telescopic end is 2-3 times of the self gravity of the upper die.
Preferably, the urging member 13 is a spring 13', which can make the locking mechanism 1 more compact and reliable. When the lifting mechanism is lifted, the telescopic end 251 lifts the upper die 3 by the reaction force of the spring 13'.
In this embodiment, a specific structure using a spring as a biasing member is provided. As shown in fig. 4, the locking mechanism 1 includes a connecting block 11 and a sliding block 12, the connecting block 11 is provided with a movable opening 111, and the sliding block 12 is disposed in the movable opening 111 and is movable along a vertical direction. For example, the slider 12 may be designed in an i-shape so as to be able to be caught in the movable opening 111 while having a degree of freedom in the vertical direction. The spring 13' is connected between the upper surface of the slider 12 and the upper surface of the movable port 111, and the first surface 111a is the lower surface of the movable port 111, and the telescopic end 251 can be inserted between the lower surface of the slider 12 and the lower surface of the movable port 111.
Preferably, a limiting surface 112 may be provided on the connection block 11 to limit the displacement of the slider 12, avoiding that the slider 12 is pushed by the spring 13' to the bottom to press the first surface 111a.
In a possible embodiment, the telescopic mechanism may comprise a cylinder 21 as a driver, a lower stopper 22, an upper stopper 23, a connecting end 24 and a telescopic block 25, as shown in fig. 6 and 7, wherein the cylinder 21 is connected with the telescopic block 25 by means of the connecting end 24 to transmit only a thrust tension force and not a bending moment. Meanwhile, the upper limiting block and the lower limiting block form a limiting cavity together, and the telescopic block 25 is ensured to do linear motion only, so that the telescopic block 25 is ensured not to enable the upper die to generate an inclination angle. Telescoping end 251 is disposed on telescoping block 25 and is sized to fit within movable opening 111.
It should be noted that, the number of the locking mechanisms 1 and the telescopic mechanisms 2 may be plural, as shown in fig. 1, this embodiment provides a relatively stable and unlikely to topple manner, that is, four locking mechanisms 1 are symmetrically disposed on two sides of the upper mold 3, and four telescopic mechanisms 2 are disposed at corresponding positions on the lifting mechanism.
Since it is necessary to raise the slider 12 to provide space for the entry and exit of the telescopic end 251 during mold change, the lock mechanism 1 further includes a lifting lever 14 and a connecting member 15 in this embodiment as shown in fig. 5. The connecting block 11 is provided with a vertical hole, the jacking rod 14 passes through the vertical hole, the upper end of the jacking rod is connected with the sliding block 12, and the lower end of the jacking rod is connected with the connecting piece 15. The connecting piece 15 is connected with the lifting rod 14 of each locking mechanism 1 on the same side, so that the sliding blocks 12 of the locking mechanisms 1 on the same side can be synchronously lifted.
In response to the jacking rod 14, a groove 251a may be formed in the telescopic end 251 so that the telescopic end 251 can be completely inserted into the movable port 111.
Correspondingly, in order to realize die changing operation, a die changing special carrier can be designed, and a vertical lifting plate is arranged on the die changing special carrier. When the upper die is pressed down, the lifting plate lifts the connecting piece 15, and the lifting rod 14 drives the sliding block 12 to lift.
It is easy to understand that this application embodiment still provides a vacuum laminating equipment, including foretell quick retooling structure of last mould, still includes mould, elevating system and lower mould, goes up mould locking structure's telescopic machanism and elevating system and is connected, goes up mould locking structure's locking mechanism and last mould and is connected, and the lower mould sets up in last mould below.
Based on the vacuum laminating equipment, the embodiment of the application also provides an upper die replacing method, which comprises a die assembling method and a die disassembling method.
The die filling method comprises the following steps:
step 101, placing a carrier special for die change on a lower die
102, placing an upper die on a special die change carrier;
step 103, pressing down by a lifting mechanism, wherein the lifting plate drives the sliding block to lift in the process;
104, extending the telescopic end of the telescopic mechanism, and inserting the telescopic end between the lower surface of the sliding block and the lower surface of the movable opening;
step 105, the lifting mechanism drives the upper die to ascend, and in the process, the sliding block descends and compresses the telescopic end of the telescopic mechanism.
The demolding method comprises the following steps:
step 201, placing a carrier special for die changing on a lower die;
202, the lifting mechanism drives the upper die to press downwards, and the lifting plate drives the sliding block to lift in the process;
step 203, retracting the telescopic end of the telescopic mechanism from between the lower surface of the sliding block and the lower surface of the movable port;
step 204, the lifting mechanism is lifted, and the upper die is left on the die change special carrier.
The upper die replacement method provided by the embodiment utilizes the lifting action of the equipment, can complete the upper die replacement within a few minutes, and greatly improves the die replacement efficiency, thereby being applicable to the scenes of glue lamination, PSA lamination, hard-to-hard lamination, soft-to-hard lamination and the like.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description is of the preferred embodiment of the present application and is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and alternatives falling within the spirit and scope of the invention.
Claims (4)
1. An upper die quick die change structure, which is characterized by comprising:
the telescopic mechanism is connected to the lifting mechanism and comprises a telescopic end which can extend and retract in the horizontal direction;
the locking mechanism is connected to the upper die and comprises a stress application piece and a first surface, the stress application piece is a spring, the stress application piece provides elastic force, and when the telescopic end is inserted between the stress application piece and the first surface, the stress application piece can provide vertical downward force so that the lower surface of the telescopic end of the telescopic mechanism is attached to the first surface;
the locking mechanism comprises a connecting block and a sliding block, a movable opening is formed in the connecting block, the sliding block is arranged in the movable opening and can move along the vertical direction, the spring is connected between the upper surface of the sliding block and the upper surface of the movable opening, the first surface is the lower surface of the movable opening, and the telescopic end can be inserted between the lower surface of the sliding block and the lower surface of the movable opening;
the locking mechanism further comprises a jacking rod and a connecting piece, wherein a vertical hole is formed in the connecting block, the jacking rod penetrates through the vertical hole, the upper end of the jacking rod is connected with the sliding block, and the lower end of the jacking rod is connected with the connecting piece.
2. The upper die quick die change structure according to claim 1, wherein the elastic force is 2-3 times of the self gravity of the upper die.
3. The rapid upper mold changing structure according to claim 1, wherein the number of the locking mechanism and the telescopic mechanism is four.
4. A vacuum lamination device, characterized in that: the quick die changing structure for the upper die comprises the upper die, a lifting mechanism and a lower die, wherein the telescopic mechanism of the upper die locking structure is connected with the lifting mechanism, the locking mechanism of the upper die locking structure is connected with the upper die, and the lower die is arranged below the upper die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111151921.4A CN113752620B (en) | 2021-09-29 | 2021-09-29 | Quick die changing structure of upper die and related equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111151921.4A CN113752620B (en) | 2021-09-29 | 2021-09-29 | Quick die changing structure of upper die and related equipment and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113752620A CN113752620A (en) | 2021-12-07 |
| CN113752620B true CN113752620B (en) | 2024-04-05 |
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| CN202111151921.4A Active CN113752620B (en) | 2021-09-29 | 2021-09-29 | Quick die changing structure of upper die and related equipment and method |
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Also Published As
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|---|---|
| CN113752620A (en) | 2021-12-07 |
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