CN214926982U - Two-layer co-extrusion blow molding machine - Google Patents
Two-layer co-extrusion blow molding machine Download PDFInfo
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- CN214926982U CN214926982U CN202121042546.5U CN202121042546U CN214926982U CN 214926982 U CN214926982 U CN 214926982U CN 202121042546 U CN202121042546 U CN 202121042546U CN 214926982 U CN214926982 U CN 214926982U
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Abstract
The utility model discloses a two-layer co-extrusion blowing machine, including two backup pads, the common fixed connection flat board in two backup pads upper end, dull and stereotyped upside fixed connection blowing case, blowing bottom of the case portion is equipped with the bush, and dull and stereotyped middle part is equipped with logical groove, the bush is passed by leading to the groove, spiral conveying mechanism of fixed connection is respectively to blowing case both sides, is equipped with moulding device between two backup pads. The utility model discloses a ring rotates the drive gear that corresponds for whole threaded rods rotate, and the threaded rod rotates in step, and the film vacuole that extrudes is close to the spacing roller that will correspond, and the virtual circle diameter of the spacing formation of a plurality of spacing rollers corresponds the change, thereby prescribes a limit to the film vacuole of different diameters.
Description
Technical Field
The utility model relates to a blowing machine technical field especially relates to a two-layer coextrusion blowing machine.
Background
The existing film production and processing methods mainly comprise an extrusion film blowing method and an extrusion tape casting method. Wherein the film produced by the extrusion casting method is most suitable for heat sealing due to the characteristics of balanced longitudinal and transverse properties, no stress, excellent heat sealing property and the like. However, the extrusion casting equipment has large investment, and the practical utilization rate of the extrusion casting equipment is limited. The extrusion film-blowing method has simple equipment and low investment; the mechanical strength is higher through inflation and drawing; no rim charge, low cost; the preparation method of the film in a cylindrical shape is simple; the molding process is easy to operate, so that about 80% of plastic films are produced by the blow molding method.
In the prior art, for example, a double-layer co-extrusion blow molding production device with the patent publication number of CN206394000U is provided. The double-layer co-extrusion blow molding film forming equipment comprises an inner layer single-screw extruder, an outer layer single-screw extruder, a filter screen, an automatic die head, an inner cooling air port, an outer cooling air port, a foam stabilizing frame, a herringbone plate, a thickness gauge, a traction and compression guide roller, a film cutting knife and a curling roller.
The bubble stabilizing device of the device can not adjust the size, and the applicability of the bubble stabilizing device is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a two-layer co-extrusion blow molding machine, thereby solving the problems existing in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a two-layer co-extrusion blow molding machine comprises two supporting plates, wherein the upper ends of the two supporting plates are fixedly connected with a flat plate together, the upper side of the flat plate is fixedly connected with a blow molding box, the bottom of the blow molding box is provided with a neck mold, the middle part of the flat plate is provided with a through groove, the neck mold penetrates through the through groove, two sides of the blow molding box are respectively and fixedly connected with a spiral conveying mechanism, and a shaping device is arranged between the two supporting plates;
moulding device includes the diaphragm, the diaphragm middle part is equipped with the through-hole, through-hole and the coaxial setting of bush, the diaphragm upside uses the through-hole to set up a plurality of spouts as benchmark annular array, and equal sliding connection slider in every spout rotates on every slider and connects spacing roller, the slider is equipped with the screw hole, the rotation connecting threaded rod in the spout, the threaded rod passes and screw-thread fit connects by the screw hole.
Preferably, one end of each threaded rod, which is far away from the through hole, is fixedly connected with a driving gear, the upper side of the transverse plate is rotatably connected with a circular ring, and the bottom of the circular ring is provided with tooth grooves and is meshed with the driving gear.
Preferably, the outer ring gear of ring upside fixed connection, diaphragm bottom fixed connection first motor, the main shaft of first motor passes the diaphragm and dodges hole and the first gear of fixed connection, first gear meshes with outer ring gear mutually.
Preferably, the number of said runners is eight or twelve.
Preferably, the upper side of each sliding block is fixedly connected with a supporting plate, the upper side of each supporting plate is fixedly connected with two hinged columns, each hinged column is rotatably connected with a supporting block, each supporting block is provided with a rotating groove, the limiting roller is rotatably connected in each rotating groove, the upper side of each supporting plate is fixedly connected with a vertical plate, two sides of each vertical plate are respectively hinged with a cylinder, and the cylinders are hinged with the corresponding supporting blocks.
Preferably, the limiting roller is a stainless steel roller.
Preferably, the opposite sides of the two supporting plates are fixedly connected with a supporting rod, the end of each supporting rod is fixedly connected with an inclined plate, and the two inclined plates are arranged oppositely.
The utility model has the advantages that: the utility model provides a two-layer co-extrusion blowing machine passes through the drive gear that the ring rotation corresponds for whole threaded rods rotate, and the threaded rod rotates in step, and the spacing roller that will correspond is close to the film vacuole of extruding, and the virtual circle diameter of the spacing formation of a plurality of spacing rollers corresponds the change, thereby prescribes a limit to the film vacuole of different diameters.
Drawings
Fig. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 is an enlarged view of a portion E of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the spacing roller of the present invention;
fig. 4 is a top view of fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-4, the utility model provides a two-layer co-extrusion blow molding machine, which comprises two supporting plates 1, wherein the upper ends of the two supporting plates 1 are fixedly connected with a flat plate 11 together, the upper side of the flat plate 11 is fixedly connected with a blow molding box 12, the bottom of the blow molding box 12 is provided with a neck mold 13, the middle part of the flat plate 11 is provided with a through groove 14, the neck mold 13 is penetrated through the through groove 14, two sides of the blow molding box 12 are respectively fixedly connected with a spiral material conveying mechanism 15, the extrusion of the spiral material conveying mechanism 15 and the blow molding box 12 is the prior art, and a shaping device 2 is arranged between the two supporting plates 1; moulding device 2 includes diaphragm 21, diaphragm 21 middle part is equipped with through-hole 22, through-hole 22 sets up with the bush 13 is coaxial, diaphragm 21 upside uses through-hole 22 to set up a plurality of spouts 23 as benchmark annular array, every spout 23 all sets up along the ray direction of the through-hole 22 centre of a circle, the quantity of spout 23 is eight or twelve, equal sliding connection slider 24 in every spout 23, rotate on every slider 24 and connect spacing roller 25, spacing roller 25 is the stainless steel roller, slider 24 is equipped with the screw hole, the rotatory connecting threaded rod 26 in the spout 23, threaded rod 26 passes and screw-thread fit connects by the screw hole.
One end of each threaded rod 26, which is far away from the through hole 22, is fixedly connected with a driving gear 27, the upper side of the transverse plate 21 is rotatably connected with a circular ring 28, the bottom of the circular ring 28 is provided with tooth grooves and is meshed with the driving gear 27, the upper side of the circular ring 28 is fixedly connected with an outer tooth ring 29, the bottom of the transverse plate 21 is fixedly connected with a first motor 291, a main shaft of the first motor 291 penetrates through a avoiding hole of the transverse plate 21 and is fixedly connected with a first gear 292, and the first gear 292 is meshed with the outer tooth ring 29; the circular rings 28 rotate through the corresponding driving gears 27, so that all the threaded rods 26 rotate, the threaded rods 26 synchronously rotate, the corresponding limiting rollers 25 are close to the extruded film vacuoles, and the diameters of virtual circles formed by limiting the limiting rollers 25 correspondingly change, so that the film vacuoles with different diameters are limited.
Further, each slider 24 upside fixed connection extension board 241, two articulated posts 242 of extension board 241 upside fixed connection, a supporting shoe 243 of rotation connection on every articulated post 242, every supporting shoe 243 is equipped with one and rotates groove 244, spacing roller 25 rotates and connects in rotating groove 244, extension board 241 upside fixed connection riser 245, a cylinder 246 is articulated respectively to be connected to riser 245 both sides, cylinder 246 is articulated with its corresponding supporting shoe 243 and is connected, in order to make the transition of the spacing virtual circle that a plurality of spacing rollers 25 constitute smoother, through the increase of spacing roller 25 quantity, and adjust spacing roller 25 on the same slider 24, thereby the film vacuole obtains spacingly, avoid the film vacuole to appear too much fold in subsequent extrusion.
The two supporting plates 1 are fixedly connected with one supporting rod 3 on the opposite side, the end of each supporting rod 3 is fixedly connected with an inclined plate 4, and the two inclined plates 4 are arranged oppositely.
During operation, the circular rings 28 rotate through the corresponding driving gears 27, so that all the threaded rods 26 rotate, the threaded rods 26 synchronously rotate, the corresponding limiting rollers 25 are close to the extruded film vacuoles, the diameters of virtual circles formed by limiting the limiting rollers 25 correspondingly change, and the film vacuoles with different diameters are limited.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a two-layer coextrusion blowing machine, includes two backup pad (1), common fixed connection flat board (11) in two backup pad (1) upper ends, dull and stereotyped (11) upside fixed connection blowing case (12), blowing case (12) bottom is equipped with bush (13), and flat board (11) middle part is equipped with logical groove (14), bush (13) are passed by logical groove (14), spiral delivery mechanism (15), its characterized in that are fixed connection respectively in blowing case (12) both sides: a shaping device (2) is arranged between the two supporting plates (1);
moulding device (2) are including diaphragm (21), diaphragm (21) middle part is equipped with through-hole (22), through-hole (22) and bush (13) coaxial setting, diaphragm (21) upside uses through-hole (22) to set up a plurality of spouts (23) as benchmark annular array, and equal sliding connection slider (24) in every spout (23), rotate on every slider (24) and connect spacing roller (25), slider (24) are equipped with the screw hole, spout (23) internal rotation connecting threaded rod (26), threaded rod (26) are by threaded hole internal pass and screw-thread fit connection.
2. A two layer co-extrusion blow molding machine as claimed in claim 1, characterized in that: one end of each threaded rod (26) far away from the through hole (22) is fixedly connected with a driving gear (27), the transverse plate (21) is connected with a circular ring (28) in a rotating mode, and tooth grooves are formed in the bottom of the circular ring (28) and meshed with the driving gear (27).
3. A two layer co-extrusion blow molding machine as claimed in claim 2, characterized in that: outer ring gear (29) of ring (28) upside fixed connection, diaphragm (21) bottom fixed connection first motor (291), the main shaft of first motor (291) passes diaphragm (21) and dodges hole and fixed connection first gear (292), first gear (292) and outer ring gear (29) mesh mutually.
4. A two layer co-extrusion blow molding machine as claimed in claim 1, characterized in that: the number of the sliding grooves (23) is eight or twelve.
5. A two layer co-extrusion blow molding machine as claimed in claim 1, characterized in that: the upper side of each sliding block (24) is fixedly connected with a support plate (241), the upper side of each support plate (241) is fixedly connected with two hinge columns (242), each hinge column (242) is rotatably connected with a support block (243), each support block (243) is provided with a rotating groove (244), the limiting roller (25) is rotatably connected in the rotating groove (244), the upper side of each support plate (241) is fixedly connected with a vertical plate (245), two sides of each vertical plate (245) are respectively and hingedly connected with an air cylinder (246), and each air cylinder (246) is hinged with the corresponding support block (243).
6. A two layer co-extrusion blow molding machine as claimed in claim 1, characterized in that: the limiting roller (25) is a stainless steel roller.
7. A two layer co-extrusion blow molding machine as claimed in claim 1, characterized in that: one side that two backup pads (1) are relative all fixed connection branch (3), every branch (3) end fixed connection swash plate (4), and two swash plates (4) set up relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121042546.5U CN214926982U (en) | 2021-05-14 | 2021-05-14 | Two-layer co-extrusion blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121042546.5U CN214926982U (en) | 2021-05-14 | 2021-05-14 | Two-layer co-extrusion blow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214926982U true CN214926982U (en) | 2021-11-30 |
Family
ID=79060866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121042546.5U Active CN214926982U (en) | 2021-05-14 | 2021-05-14 | Two-layer co-extrusion blow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214926982U (en) |
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2021
- 2021-05-14 CN CN202121042546.5U patent/CN214926982U/en active Active
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