CN113733438B - Rolling equipment and rolling process using same - Google Patents
Rolling equipment and rolling process using same Download PDFInfo
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- CN113733438B CN113733438B CN202111184984.XA CN202111184984A CN113733438B CN 113733438 B CN113733438 B CN 113733438B CN 202111184984 A CN202111184984 A CN 202111184984A CN 113733438 B CN113733438 B CN 113733438B
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
- B29C43/245—Adjusting calender parameters, e.g. bank quantity
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/28—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/46—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The application relates to a calendering equipment and applied this equipment's calendering technology relates to the field of silica gel piece preparation, and calendering equipment includes first roller and second roller, still including driving first roller and second roller pivoted drive assembly in opposite directions, wears to be equipped with the protection film between first roller and the second roller, leave the clearance that is used for the silica gel raw materials to pass through between protection film and the first roller, the rotational speed of first roller is greater than the rotational speed of second roller. This application has the effect that reduces the condition that the gas pocket appears in fashioned silica gel piece and takes place.
Description
Technical Field
The application relates to the field of silica gel sheet preparation, in particular to rolling equipment and a rolling process using the same.
Background
In the existing liquid silica gel calendaring technology, a silica gel raw material is generally extruded between an upper protective film and a lower protective film from a fluid state, the upper protective film and the lower protective film are positioned between a pair of roll shafts, and the upper protective film and the lower protective film are mutually extruded through the pair of roll shafts to prepare a silica gel sheet.
The upper protective film layer and the lower protective film layer are used for continuous calendaring operation on equipment with an upper roll shaft and a lower roll shaft, and the upper protective film layer and the lower protective film layer move along with the manufactured silica gel sheet, so that the formed silica gel sheet is convenient to transfer in operation.
With respect to the above related art, the inventor considers that the silica gel raw material rolls and is easy to cover and bring in air in the process of rolling, and the silica gel sheet is rolled and molded between the upper and lower protective films, the upper and lower protective films belong to a relatively airtight space in the process of rolling the silica gel raw material by a pair of roll shafts, and the air brought into the silica gel raw material is difficult to be effectively discharged, so that the molded silica gel sheet is easy to form air holes.
Disclosure of Invention
In order to reduce occurrence of air holes in a formed silica gel sheet, the application provides rolling equipment and a rolling process using the equipment.
In a first aspect, the present application provides a calendaring apparatus that adopts the following technical scheme:
the utility model provides a calendering equipment, includes first roller and second roller, still includes drive first roller and second roller pivoted drive assembly in opposite directions, wears to be equipped with the protection film between first roller and the second roller, leave the clearance that is used for the silica gel raw materials to pass through between protection film and the first roller, the rotational speed of first roller is greater than the rotational speed of second roller.
By adopting the technical scheme, the silica gel raw material is fed between the first roll shaft and the protective film, and the driving assembly is started at the same time, so that the driving assembly drives the first roll shaft and the second roll shaft to rotate in opposite directions, and the silica gel raw material can form a silica gel sheet under the extrusion of the first roll shaft and the second roll shaft; in this in-process, thereby the protection film moves along with the silica gel piece and drives the silica gel piece and break away from first roller and second roller, because the rotational speed of first roller is greater than the rotational speed of second roller, first roller can play certain effect of paining, scraping to the silica gel raw materials, is packed into the air in the silica gel raw materials this moment, can obtain the emission to a certain extent at the in-process of calendering, reduces the condition that the gas pocket appears in fashioned silica gel piece and takes place.
Preferably, the driving assembly comprises a first gear fixedly connected with one end of the first roll shaft, and further comprises a second gear fixedly connected with one end of the second roll shaft, the first gear is meshed with the second gear, the diameter of the first gear is smaller than that of the second gear, and a driving motor for driving the first roll shaft or the second roll shaft to rotate is connected to the first roll shaft or the second roll shaft.
Through adopting above-mentioned technical scheme, start driving motor, driving motor drives first gear and second gear and rotates in opposite directions, and first gear and second gear rotate in opposite directions can drive first roller and second roller and rotate in opposite directions, are convenient for carry out the calendering to the silica gel raw materials.
Preferably, both sides of first roller are equipped with a backup pad respectively, rotate in one of them backup pad and be connected with the transition axle, first gear fixedly connected with is in the one end of transition axle, the other end fixedly connected with driving gear of transition axle, the one end fixedly connected with of first roller and the driven gear of driving gear meshing, the ring channel has all been seted up to the one side that two backup pads are close to each other, the ring channel sets up with the transition axle is coaxial, the both ends of first roller are pegged graft with corresponding ring channel slip respectively, connect the pivoted adjusting part of the axis of drive first roller around the transition axle on the first roller.
Through adopting above-mentioned technical scheme, through the axis of adjusting component control first roller around the transition axle take place to rotate, distance between adjustable first roller and the second roller, the thickness of the fashioned silica gel piece of so adjustable. The annular groove provides guiding function for the movement of the first roll shaft in the process that the first roll shaft rotates around the axis of the transition shaft; and through the meshing of the driving gear and the driven gear, the first roll shaft and the second roll shaft can rotate relatively, and can normally bypass the transition shaft to rotate.
Preferably, the adjusting component comprises an adjusting column rotationally connected with a supporting plate far away from the transition shaft, the adjusting column is coaxially arranged with the transition shaft, the adjusting column is arranged towards the direction close to the first roller shaft, one end of the first roller shaft far away from the driven gear is rotationally connected with a sliding block, the sliding block is slidingly inserted into an annular groove far away from the driven gear, a connecting rod is fixedly connected between the adjusting column and the sliding block, a side surface of the supporting plate connected with the adjusting column far away from the sliding block is provided with a locking hole, the adjusting column is sequentially provided with a first through hole and a second through hole towards the direction close to the locking hole, the second through hole is communicated with the locking hole, a locking gear is engaged in the locking hole, one side surface of the locking gear close to the adjusting column is fixedly connected with an adjusting rod, and a locking section which is engaged with the first through hole is arranged on the adjusting rod;
when the locking gear is inserted into and separated from the second through hole, the adjusting column is separated from the locked state.
By adopting the technical scheme, when the distance between the first roll shaft and the second roll shaft needs to be adjusted, the adjusting rod is pulled in the direction away from the locking hole, and the adjusting rod drives the locking gear to be separated from the locking hole and spliced with the second through hole; meanwhile, the locking section is kept in an engaged state with the first through hole, the adjusting rod is rotated to drive the adjusting column to rotate, the adjusting column is rotated to drive the sliding block to rotate through the connecting rod, the sliding block can rotate to drive the axis of the first roll shaft sleeve transition shaft to rotate, and then the distance between the first roll shaft and the second roll shaft can be conveniently adjusted.
Preferably, the outer ring of the sliding block is provided with an elastic layer at one side, and the elastic layer is tightly pressed by an annular groove in sliding connection with the sliding block.
Through adopting above-mentioned technical scheme, the elastic layer is sticiss by corresponding ring channel for the sliding block is comparatively stable with the connection of ring channel, and when the adjusting column of being convenient for drove the sliding block and rotate, the sliding block is gliding slowly in the ring channel, reduces the sliding block and comparatively agilely in the ring channel, leads to the too big or undersize condition emergence of the interval between first roller and the second roller by the regulation in the twinkling of an eye.
Preferably, one side of the first roll shaft is provided with a plurality of traction wheels, the traction wheels cling to the protective film, and the traction wheels are connected with a control motor for driving the traction wheels to rotate.
Through adopting above-mentioned technical scheme, start control motor drive traction wheel and rotate, the traction wheel rotates and can pull the comparatively smooth removal of protection film, and then the protection film of being convenient for drives silica gel raw materials material loading and drives fashioned silica gel piece unloading.
In a second aspect, the present application provides a calendaring apparatus that adopts the following technical scheme:
a calendaring process using the apparatus, comprising the steps of:
s1, feeding a silica gel raw material from one end of a first roll shaft far away from a traction wheel;
s2, starting a driving motor and a control motor, wherein the first roll shaft and the second roll shaft rotate in opposite directions to squeeze the silica gel raw material, and the control motor drives the traction wheel to rotate so as to pull the protective film to move from the first roll shaft to the traction wheel;
s3, performing high-temperature vulcanization treatment on the formed silica gel sheet.
Through adopting above-mentioned technical scheme, the calendering shaping silica gel piece of being convenient for, and first roller direct contact silica gel raw materials, the gas that is convenient for mix in the silica gel raw materials extrudees the discharge.
Preferably, the following steps are added before step S1:
pulling the adjusting rod in a direction away from the locking hole, driving the locking gear to move by the adjusting rod until the locking gear is separated from the locking hole and is internally meshed with the second through hole, then rotating the adjusting rod, rotating the adjusting rod to rotate the adjusting column, and driving the connecting rod, the sliding block and the first roller shaft to rotate around the axis of the adjusting column by the rotation of the adjusting column, wherein the first roller shaft moves in a direction away from or close to the second roller shaft;
after the distance between the first roll shaft and the second roll shaft is adjusted, the adjusting rod is pushed to a direction close to the locking hole until the locking gear is internally meshed with the locking hole.
Through adopting above-mentioned technical scheme, be convenient for adjust the distance between first roller and the second roller, and then be convenient for control the silica gel piece of the different thickness of shaping.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first roller shaft can play a role in smearing and scraping the silica gel raw material to a certain extent, and air coated in the silica gel raw material at the moment can be discharged to a certain extent in the calendaring process, so that the occurrence of air holes of the formed silica gel sheet is reduced;
2. and adjusting the distance between the first roll shaft and the second roll shaft to adjust the thickness of the formed silica gel sheet.
Drawings
Fig. 1 is a schematic view of the overall structure of an integrated calendaring apparatus according to an embodiment of the application.
FIG. 2 is a schematic diagram of a location of an integrated mounting plate according to an embodiment of the present application.
Fig. 3 is a cross-sectional view of a two-dimensional calendaring apparatus according to an embodiment of the application.
Figure 4 is a schematic diagram of a two-position adjustment assembly according to an embodiment of the present application.
Reference numerals illustrate: 1. a support plate; 11. an annular groove; 12. a locking hole; 2. a support base; 3. a first roller shaft; 31. a first rotating shaft; 4. a second roller shaft; 41. a second rotating shaft; 5. a drive assembly; 51. a first gear; 52. a second gear; 53. a driving motor; 54. a transition shaft; 55. a drive gear; 56. a driven gear; 6. a protective film; 7. a traction shaft; 71. a traction wheel; 8. an adjustment assembly; 81. an adjusting column; 811. a first through hole; 812. a second through hole; 82. a connecting rod; 83. a locking gear; 84. an adjusting rod; 841. a locking section; 9. a sliding block; 91. an elastic layer; 10. and (3) mounting a plate.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses calendaring equipment.
Example 1
Referring to fig. 1, the calendaring apparatus includes a support base 2 and two support plates 1 disposed in a vertical direction, and lower ends of the two support plates 1 are fixedly connected with an upper surface of the support base 2. A first roll shaft 3 and a second roll shaft 4 which are arranged up and down are arranged between the two support plates 1.
The first rotating shafts 31 are fixedly connected to the two ends of the first roller shaft 3, and one end, far away from the first roller shaft 3, of each first rotating shaft 31 is rotatably connected with a corresponding supporting plate 1. The two ends of the second roll shaft 4 are fixedly connected with second rotating shafts 41, and one end, far away from the second roll shaft 4, of each second rotating shaft 41 is rotationally connected with a corresponding supporting plate 1. The first roll shaft 3 and the second roll shaft 4 are connected with a driving assembly 5 for driving the first roll shaft 3 and the second roll shaft 4 to rotate in opposite directions.
A protective film 6 in a tensioning state passes through the first roller shaft 3 and the second roller shaft 4, the protective film 6 is tightly attached to the second roller shaft 4, and a gap is reserved between the first roller shaft 3 and the protective film 6. The rotational speed of the first roller shaft 3 is greater than the rotational speed of the second roller shaft 4.
Liquid silica gel raw material gradually enters between the first roll shaft 3 and the second roll shaft 4 along the protective film 6, meanwhile, the first roll shaft 3 and the second roll shaft 4 are driven to rotate in the opposite direction through the driving assembly 5, and the first roll shaft 3 and the second roll shaft 4 extrude the silica gel raw material to form a silica gel sheet. The gap between the first roll shaft 3 and the second roll shaft 4 is the thickness of the formed silica gel sheet, and the formed silica gel sheet moves in the direction away from the first roll shaft 3 and the second roll shaft 4 under the drive of the protective film 6, so that the blanking of the silica gel sheet is completed.
Because the rotational speed of first roller 3 is faster, and the first roller 3 of silica gel raw materials direct contact, the first roller 3 of rotational speed is faster can play certain effect of paining, scraping to the silica gel raw materials, is packed into the air in the silica gel raw materials this moment, can obtain the emission to a certain extent at the in-process of calendering.
One of the first shafts 31 penetrates the corresponding support plate 1, and one of the second shafts 41 also penetrates the corresponding support plate 1. The driving assembly 5 comprises a first gear 51 fixedly connected with one end of the first rotating shaft 31 far away from the first roller shaft 3, and a second gear 52 fixedly connected with one end of the second rotating shaft 41 far away from the second roller shaft 4, wherein the first gear 51 and the second gear 52 are meshed with each other, and the diameter of the first gear 51 is smaller than that of the second gear 52. The ratio of the numbers of teeth of the first gear 51 and the second gear 52 in the embodiment of the present application is 1/1.15.
The driving assembly 5 further comprises a driving motor 53 fixedly connected with the second rotating shaft 41 far from the second gear 52, the driving motor 53 is mounted on the corresponding supporting plate 1, and an output shaft of the driving motor 53 is coaxially arranged with the second rotating shaft 41.
When the driving motor 53 is started, the output shaft of the driving motor 53 rotates to drive the second rotating shaft 41 and the second roller shaft 4 to rotate, and at this time, the second roller shaft 4 drives the first roller shaft 3 to rotate through the second gear 52 and the first gear 51. Thus, the first roll shaft 3 and the second roll shaft 4 can rotate in opposite directions, and the purpose that the rotating speed of the first roll shaft 3 is larger than that of the second roll shaft 4 is achieved.
A traction shaft 7 is rotatably connected between the two support plates 1, and the traction shaft 7 is positioned on one side of the first roll shaft 3 away from the position of silica gel raw material feeding. The traction shaft 7 is fixedly connected with two traction wheels 71, and the two traction wheels 71 are positioned above the protective film 6 and tightly abut against the protective film 6. The formed silicone sheet is transferred between the two traction wheels 71, and a control motor (not shown) for driving the traction shaft 7 to rotate is connected to the traction shaft 7.
When the control motor drives the traction shaft 7 to rotate, the traction shaft 7 drives the two traction wheels 71 to rotate, the traction wheels 71 rotate to pull the protective film 6 to move from the first roll shaft 3 to the traction wheels 71, the protective film 6 is convenient to move, and then the silicon wafer is driven to move to the direction away from the first roll shaft 3 and the second roll shaft 4.
Referring to fig. 2, a pair of mounting plates 10 are provided between the two support plates 1, the pair of mounting plates 10 being located on both sides of the first roller shaft 3, respectively, each mounting plate 10 being located below the protective film 6 and abutting against the protective film 6. The mounting plate 10 provides a certain supporting force for the protective film 6.
Example two
The difference from the first embodiment is that, referring to fig. 3, the rolling apparatus includes a transition shaft 54 rotatably connected to the support plate 1 adjacent to the second gear 52, and the first gear 51 is fixedly connected to one end of the transition shaft 54 adjacent to the second gear 52. One end of the transition shaft 54 far away from the first gear 51 is fixedly connected with a driving gear 55, and the first gear 51, the driving gear 55 and the transition shaft 54 are coaxially arranged. A driven gear 56 is fixedly connected to the first rotating shaft 31 near the driving gear 55, the driven gear 56 is meshed with the driving gear 55, and the diameter of the driven gear 56 is the same as that of the driving gear 55.
In order to facilitate the adjustment of the distance between the first roller 3 and the second roller 4 and thus the thickness of the formed silica gel sheet, an adjusting assembly 8 for adjusting the rotation of the first roller 3 around the axis of the transition shaft 54 is connected to one of the support plates 1.
Referring to fig. 3 and 4, an annular groove 11 is formed at a side surface of the two support plates 1 adjacent to each other, and the annular groove 11 is concentrically arranged with the transition shaft 54. The first rotating shaft 31 connected with the driven gear 56 is inserted in one annular groove 11, the sliding block 9 is rotatably connected to the other first rotating shaft 31, and the sliding block 9 and the first rotating shaft 31 are coaxially arranged. The sliding block 9 is in sliding connection with the annular groove 11 far away from the driven gear 56, a side elastic layer 91 is arranged on the outer ring of the sliding block 9, and the elastic layer 91 abuts against the surface wall of the annular groove 11.
The adjusting component 8 comprises an adjusting column 81 which is rotationally connected with the supporting plate 1 far away from the driven gear 56, the adjusting column 81 is arranged towards the direction close to the first roll shaft 3, the adjusting column 81 and the transition shaft 54 are coaxially arranged, and a connecting rod 82 is fixedly connected between the side wall of the adjusting column 81 and the side wall of the sliding block 9. The adjusting column 81 is provided with a first through hole 811 and a second through hole 812 in this order in a direction away from the first roller shaft 3, the first through hole 811, the second through hole 812 and the adjusting column 81 are coaxially arranged, and the first through hole 811 and the second through hole 812 are communicated with each other.
A side surface of the support plate 1, which is connected with the sliding block 9 and is far away from the first roller shaft 3, is provided with a locking hole 12, and the locking hole 12 is communicated with the second through hole 812 and is coaxially arranged. The locking hole 12 has the same aperture as the second through hole 812, and the second through hole 812 has a larger aperture than the first through hole 811. The lock hole 12 is provided with a lock gear 83, and the lock gear 83 is engaged with the lock hole 12. A side surface of the locking gear 83, which is close to the adjusting column 81, is fixedly connected with an adjusting rod 84, and one end of the adjusting rod 84, which is far away from the locking gear 83, sequentially passes through the second through hole 812 and the first through hole 811 and extends out of the adjusting column 81. The adjustment lever 84 includes a locking section 841 that engages the first through hole 811 and the adjustment post 81 is rotatable when the locking gear 83 is disengaged from the locking hole 12 and fully inserted into the second through hole 812.
When the distance between the first roller shaft 3 and the second roller shaft 4 needs to be adjusted, the adjusting rod 84 is pulled in a direction away from the locking hole 12, and the adjusting rod 84 drives the locking gear 83 to move in a direction away from the locking hole 12. When the locking gear 83 is separated from the locking hole 12 and inserted into the second through hole 812, the adjusting lever 84 is rotated at this time, the adjusting lever 84 rotates to drive the adjusting post 81 to rotate, and the adjusting post 81 rotates to drive the connecting rod 82 and the sliding block 9 to rotate. The sliding block 9 can drive the first roll shaft 3 to rotate towards the direction close to or far away from the second roll shaft 4, so that the distance between the first roll shaft 3 and the second roll shaft 4 can be conveniently adjusted.
When the first roller shaft 3 rotates to a desired position, the adjusting lever 84 is pushed in a direction approaching the locking hole 12, the adjusting lever 84 drives the locking gear 83 to move in a direction approaching the locking hole 12 until the locking gear 83 is engaged with the locking hole 12, at this time, the adjusting column 81 is hard to rotate, and the position of the first roller shaft 3 is locked.
The embodiment of the application also discloses a calendaring process using the equipment, which comprises the following steps:
s1, pulling the adjusting rod 84 in a direction away from the locking hole 12, the adjusting rod 84 drives the locking gear 83 to move until the locking gear 83 is separated from the locking hole 12 and is spliced with the second through hole 812, at the moment, the adjusting rod 84 is rotated, the adjusting rod 84 rotates to adjust the column 81 to rotate, the adjusting column 81 rotates to drive the connecting rod 82, the sliding block 9 and the first roll shaft 3 to rotate around the axis of the adjusting column 81, and at the moment, the first roll shaft 3 moves in a direction away from or close to the second roll shaft 4.
S2, when the distance between the first roll shaft 3 and the second roll shaft 4 reaches the required distance, the adjusting rod 84 is pushed to the direction approaching the locking hole 12 until the locking gear 83 is internally meshed with the locking hole 12.
S3, feeding the silica gel raw material from one end of the first roll shaft 3, which is far away from the traction wheel 71, and simultaneously starting the driving motor 53 and the control motor, wherein the first roll shaft 3 and the second roll shaft 4 rotate in opposite directions to squeeze the silica gel raw material, and the control motor drives the traction shaft 7 and the traction wheel 71 to rotate, so that the protective film 6 can be pulled to move from the first roll shaft 3 to the traction wheel 71.
S4, performing high-temperature vulcanization treatment on the formed silica gel sheet.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The calendaring equipment comprises a first roll shaft (3) and a second roll shaft (4), and further comprises a driving assembly (5) for driving the first roll shaft (3) and the second roll shaft (4) to rotate in opposite directions, wherein a protective film (6) is arranged between the first roll shaft (3) and the second roll shaft (4) in a penetrating mode, and the calendaring equipment is characterized in that a gap for passing through silica gel raw materials is reserved between the protective film (6) and the first roll shaft (3), and the rotating speed of the first roll shaft (3) is larger than that of the second roll shaft (4);
the driving assembly (5) comprises a first gear (51) fixedly connected with one end of the first roll shaft (3), and also comprises a second gear (52) fixedly connected with one end of the second roll shaft (4), the first gear (51) is meshed with the second gear (52), the diameter of the first gear (51) is smaller than that of the second gear (52), and a driving motor (53) for driving the first roll shaft (3) or the second roll shaft (4) to rotate is connected to the first roll shaft (3) or the second roll shaft (4);
two sides of the first roll shaft (3) are respectively provided with a support plate (1), one support plate (1) is rotationally connected with a transition shaft (54), the first gear (51) is fixedly connected with one end of the transition shaft (54), the other end of the transition shaft (54) is fixedly connected with a driving gear (55), one end of the first roll shaft (3) is fixedly connected with a driven gear (56) meshed with the driving gear (55), annular grooves (11) are formed in the surfaces, close to each other, of the two support plates (1), the annular grooves (11) and the transition shafts (54) are coaxially arranged, two ends of the first roll shaft (3) are respectively connected with the corresponding annular grooves (11) in a sliding and inserting mode, and the first roll shaft (3) is connected with an adjusting assembly (8) which drives the first roll shaft (3) to bypass the axis of the transition shafts (54).
2. The calendaring device according to claim 1, characterized in that the adjusting component (8) comprises an adjusting column (81) rotationally connected with a supporting plate (1) far away from the transition shaft (54), the adjusting column (81) and the transition shaft (54) are coaxially arranged, the adjusting column (81) is arranged towards the direction close to the first roll shaft (3), one end of the first roll shaft (3) far away from the driven gear (56) is rotationally connected with a sliding block (9), the sliding block (9) is slidingly inserted into an annular groove (11) far away from the driven gear (56), a connecting rod (82) is fixedly connected between the adjusting column (81) and the sliding block (9), a locking hole (12) is formed in one side surface, far away from the sliding block (9), of the supporting plate (1) connected with the adjusting column (81), of the adjusting column (81), a first through hole (811) and a second through hole (812) are sequentially formed in the direction close to the locking hole (12), the second through hole (812) is communicated with the locking hole (12), a locking gear (83) is meshed in the locking hole (12), a locking segment (841) is fixedly connected with one side, close to the adjusting column (84), of the adjusting column (84), and the locking segment (84) is fixedly meshed with the adjusting column (84).
When the locking gear (83) is inserted into the second through hole (812) and is separated from the locking hole (12), the adjusting column (81) is separated from the locked state.
3. A calendaring apparatus according to claim 2, characterized in that the outer ring of the slide block (9) is provided with a side elastic layer (91), the elastic layer (91) being pressed by an annular groove (11) in sliding engagement with the slide block (9).
4. A calendaring apparatus according to claim 1, characterized in that one side of the first roll shaft (3) is provided with a plurality of traction wheels (71), the traction wheels (71) are tightly attached to the protective film (6), and the traction wheels (71) are connected with a control motor for driving the traction wheels (71) to rotate.
5. A calendering process using the calendering apparatus of claim 4, comprising the steps of:
s1, feeding a silica gel raw material from one end of a first roller shaft (3) far away from a traction wheel (71);
s2, starting a driving motor (53) and a control motor, wherein the first roll shaft (3) and the second roll shaft (4) rotate in opposite directions to squeeze the silica gel raw material, and the control motor drives the traction wheel (71) to rotate so as to pull the protective film (6) to move from the first roll shaft (3) towards the traction wheel (71);
s3, vulcanizing the formed silica gel sheet.
6. A calendering process according to claim 5, characterized by the addition of the following step before step S1:
pulling the adjusting rod (84) in a direction away from the locking hole (12), driving the locking gear (83) to move by the adjusting rod (84) until the locking gear (83) is separated from the locking hole (12) and is internally meshed with the second through hole (812), then rotating the adjusting rod (84), rotating the adjusting column (81), driving the connecting rod (82), the sliding block (9) and the first roll shaft (3) to rotate around the axis of the adjusting column (81), and moving the first roll shaft (3) in a direction away from or close to the second roll shaft (4);
after the distance between the first roll shaft (3) and the second roll shaft (4) is adjusted, the adjusting rod (84) is pushed to approach the locking hole (12) until the locking gear (83) is internally meshed with the locking hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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