CN216635348U - Medical plastic packaging bag rapid blow molding die - Google Patents
Medical plastic packaging bag rapid blow molding die Download PDFInfo
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- CN216635348U CN216635348U CN202220021241.4U CN202220021241U CN216635348U CN 216635348 U CN216635348 U CN 216635348U CN 202220021241 U CN202220021241 U CN 202220021241U CN 216635348 U CN216635348 U CN 216635348U
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Abstract
The utility model belongs to the field of blow molding die manufacturing, and provides a rapid blow molding die for medical plastic packaging bags, which comprises the following components: the cooling device comprises a fixed die, a movable die, a first inner cavity die arranged on the left side of the fixed die and a second inner cavity die arranged on the movable die and matched with the first inner cavity die, wherein a formed part is arranged between the first inner cavity die and the second inner cavity die, and a first cooling pipe, a second cooling pipe and a third cooling pipe are respectively arranged in the first inner cavity die, the second inner cavity die and the formed part. First cooling tube, second cooling tube and third cooling tube move simultaneously for blowing material's cooling rate makes plastic bag shaping speed faster, and drawing of patterns speed promotes to improve the work efficiency of mould.
Description
Technical Field
The utility model relates to the field of blow molding die manufacturing, in particular to a rapid blow molding die for medical plastic packaging bags.
Background
Blow molding, also known as blow molding, is a rapidly developing plastic processing method. The blow molding process began to produce low density polyethylene vials during world war ii. In the late 50 s, the blow molding technology has been widely used with the advent of high density polyethylene and the development of blow molding machines.
The hollow blow mold is a hollow product having a short neck, which is obtained by placing a tubular thermoplastic plastic parison extruded from an extruder and in a softened state into a mold, introducing compressed air, and deforming the parison along the cavity by the pressure of the air. Blow molding has been widely used to produce various hollow articles in the form of thin shells, packaging containers for chemical and daily use, toys for children, and the like.
When a common plastic packaging bag is subjected to blow molding, a cooling system is still only designed in a mold on one side, and the refrigerating effect is common, so that the working efficiency of the mold is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the background art and provides a rapid blow molding die for medical plastic packaging bags.
The technical scheme provided by the utility model is as follows: a medical plastic packaging bag rapid blow molding mold comprises: the cooling device comprises a fixed die, a movable die, a first inner cavity die arranged on the left side of the fixed die and a second inner cavity die arranged on the movable die and matched with the first inner cavity die, wherein a formed part is arranged between the first inner cavity die and the second inner cavity die, and a first cooling pipe, a second cooling pipe and a third cooling pipe are respectively arranged in the first inner cavity die, the second inner cavity die and the formed part.
Furthermore, four corners of the left side wall of the fixed die are respectively connected with a limiting rod, and the limiting rods penetrate through the movable die and then are connected with nuts.
Furthermore, a first blowing opening is formed in the first inner cavity die, a first clamping opening is formed in the lower portion of the first inner cavity die, and the first blowing opening and the first clamping opening are communicated with the inner cavity of the first inner cavity die respectively.
Furthermore, a second blow molding port is formed in the second inner cavity mold, a second clamping port is formed below the second inner cavity mold, and the second blow molding port and the second clamping port are respectively communicated with the inner cavity of the second inner cavity mold.
Furthermore, a first cooling cavity is formed in the first inner cavity die, the first cooling pipe is laid in the first cooling cavity, and two ends of the first cooling pipe penetrate through the first inner cavity die to be communicated with the cooling water tank.
Furthermore, a second cooling cavity is formed in the second inner cavity die, a second cooling pipe is laid in the second cooling cavity, and two ends of the second cooling pipe penetrate through the second inner cavity die to be communicated with a cooling water tank.
Furthermore, a support column is connected to the bottom of the forming part, and a support frame is connected to the bottom of the support column; a third cooling cavity is formed in the forming part, a third cooling pipe is laid in the third cooling cavity, and two ends of the third cooling pipe penetrate through the forming part and the supporting column communicated cooling water tank.
Furthermore, the end of the limiting rod is connected with a supporting plate, the right side wall of the supporting plate is connected with a telescopic cylinder, and the telescopic end of the telescopic cylinder is connected with the movable die.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the blow molding die, the first cooling pipe is arranged for cooling the first inner cavity die and cooling one side of the plastic packaging bag, so that the forming of the plastic bag is accelerated, the demolding speed is higher, and the working efficiency is improved.
(2) According to the blow molding die, the second inner cavity die is cooled by the second cooling pipe, so that one side of the plastic packaging bag is cooled, the forming of the plastic bag is accelerated, the demolding speed is higher, and the working efficiency is improved.
(3) According to the blow mold disclosed by the utility model, the third cooling pipe is arranged to cool the formed part, so that the interior of the plastic bag is cooled, the forming of the plastic bag is accelerated, the demolding speed is higher, and the working efficiency is improved.
(4) The blow molding die is provided with the forming part, so that the plastic bag is plasticized, and the forming speed of blow molding is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the rapid blow mold of the present invention;
FIG. 2 is a partial cross-sectional view of the rapid blow mold of the present invention;
FIG. 3 is a schematic view of the structure of a first cavity mold of the present invention;
FIG. 4 is a cross-sectional view of a molded part of the present invention;
the reference numbers are as follows: 1. the device comprises a fixed die, 2, a movable die, 3, a limiting rod, 4, a nut, 5, a first inner cavity die, 6, a first blow molding opening, 7, a first clamping opening, 8, a second inner cavity die, 9, a second blow molding opening, 10, a second clamping opening, 11, a first cooling cavity, 12, a first cooling pipe, 13, a second cooling cavity, 14, a second cooling pipe, 15, a forming part, 16, a supporting column, 17, a supporting frame, 18, a third cooling cavity, 19, a third cooling pipe, 20, a supporting plate, 21 and a telescopic cylinder.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-4, the present invention is a rapid blow mold for medical plastic packaging bags, comprising: the cooling device comprises a fixed die 1, a movable die 2, a first inner cavity die 5 arranged on the left side of the fixed die 1 and a second inner cavity die 8 arranged on the movable die 2 and matched with the first inner cavity die 5, a forming part 15 is arranged between the first inner cavity die 5 and the second inner cavity die 8, and a first cooling pipe 12, a second cooling pipe 14 and a third cooling pipe 19 are respectively arranged in one inner cavity die 5, the second inner cavity die 8 and the forming part 15.
The external structure of the molding member 15 of this embodiment is the same as the structure of the inner cavity of the medical plastic packaging bag.
The bottom surface of the molded article 15 of the present embodiment is attached to the bottom surfaces of the inner cavities of the first inner cavity mold 5 and the second inner cavity mold 8.
Preferably, the first cooling pipe 12 is used for cooling the first cavity mold 5 and cooling one side of the plastic packaging bag, so that the plastic bag is formed faster, the demolding speed is faster, and the work efficiency is improved.
Preferably, the second cooling pipe 14 cools the second cavity mold 8 for cooling one side of the plastic packaging bag, so as to accelerate the molding of the plastic bag, and to make the demolding speed faster, thereby improving the working efficiency.
Preferably, the third cooling pipe 19 is arranged in the plastic packaging bag to accelerate the cooling of the blow molding material and the molding of the plastic bag, so that the demolding speed is faster, and the working efficiency is improved.
Specifically, when the movable mold 2 moves to be matched with the fixed mold 1, the formed part 15 is movably clamped at the middle position in the inner cavity of the first inner cavity mold 5 and the inner cavity of the second inner cavity mold 8, when the heated blow molding material is injected into the inner cavity of the first inner cavity mold 5 and the inner cavity of the second inner cavity mold 8, the blow molding material is coated on the formed part 15 to form the inner wall, and the blow molding material forms the outer wall in the inner cavity of the first inner cavity mold 5 and the inner cavity of the second inner cavity mold 8.
Furthermore, four corners of the left side wall of the fixed mold 1 are respectively connected with a limiting rod 3, and the limiting rod 3 is connected with a nut 4 after penetrating through the movable mold 2.
Preferably, the limiting rod 3 is arranged to prevent the moving die 2 from deviating during moving.
Furthermore, a first blow molding opening 6 is formed in the first inner cavity mold 5, a first clamping opening 7 is formed in the lower portion of the first inner cavity mold 5, and the first blow molding opening 6 and the first clamping opening 7 are communicated with the inner cavity of the first inner cavity mold 5 respectively.
Furthermore, a second blow molding opening 9 is formed in the second inner cavity mold 8, a second clamping opening 10 is formed in the lower portion of the second inner cavity mold 8, and the second blow molding opening 9 and the second clamping opening 10 are communicated with the inner cavity of the second inner cavity mold 8 respectively.
The second blowing opening 9 of the present embodiment cooperates with the first blowing opening 6 for the extrusion of blow material and the blowing in of high-pressure air.
The second clamping opening 10 of the present embodiment cooperates with the first clamping opening 7 for clamping the profile 15.
Furthermore, a first cooling cavity 11 is formed in the first inner cavity die 5, a first cooling pipe 12 is laid in the first cooling cavity 11, and two ends of the first cooling pipe 12 penetrate through the first inner cavity die 5 to be communicated with a cooling water tank.
Preferably, the first cooling cavity 11 is close to the inner cavity of the first inner cavity mold 5 without affecting the operation of the first inner cavity mold 5.
Preferably, the first cooling pipe 12 is laid on the wall of the first cooling chamber 11 close to the inner cavity of the first inner cavity mold 5.
Furthermore, a second cooling cavity 13 is formed in the second inner cavity die 8, a second cooling pipe 14 is laid in the second cooling cavity 13, and two ends of the second cooling pipe 14 penetrate through the second inner cavity die 8 and are communicated with a cooling water tank.
Preferably, the second cooling cavity 13 is close to the inner cavity of the second inner cavity die 8 on the basis of not influencing the operation of the second inner cavity die 8.
Preferably, the second cooling pipe 14 is laid on the wall of the second cooling chamber 13 close to the inner cavity of the second inner cavity mold 8.
Further, the bottom of the forming part 15 is connected with a supporting column 16, and the bottom of the supporting column 16 is connected with a supporting frame 17; a third cooling cavity 18 is formed in the forming part 15, a third cooling pipe 19 is laid in the third cooling cavity 18, and two ends of the third cooling pipe 19 penetrate through the forming part 15 and the supporting column 16 to be communicated with a cooling water tank.
Preferably, the molded part 15 is fixed between the first inner cavity die 5 and the second inner cavity die 8 through the supporting columns 16 and the supporting frames 17, and the bottom surface of the molded part 15 is attached to the bottom surfaces of the inner cavities of the first inner cavity die 5 and the second inner cavity die 8 after die assembly.
Preferably, the third cooling pipe 19 is laid in the third cooling cavity 18, the third cooling pipe 19 is attached to the left wall and the right wall in the third cooling cavity 18, the contact area with the third cooling cavity 18 is large, and the cooling effect on the formed part 15 is better.
Specifically, when the mold is closed, the support column 16 is located between the first clamping opening 7 and the second clamping opening 10 and is engaged with the first clamping opening 7 and the second clamping opening 10.
Furthermore, the end of the limit rod 3 is connected with a support plate 20, the right side wall of the support plate 20 is connected with a telescopic cylinder 21, and the telescopic end of the telescopic cylinder 21 is connected with the movable die 2.
The working principle is as follows: fixing the formed part 15, pushing the movable die 2 to move along the limiting rod 3 by using the telescopic cylinder 21, clamping the formed part 15 between the first inner cavity die 5 and the second inner cavity die 8, and clamping the support column 16 between the first clamping opening 7 and the second clamping opening 10; after the die is closed, injecting the blow molding material inwards between the first blow molding port 6 and the second blow molding port 9, and blowing high-pressure air inwards to uniformly mold the blow molding material between the inner cavities of the first inner cavity die 5 and the second inner cavity die 8 and the molding part 15; cooling the first inner cavity mold 5 through the first cooling pipe 12, thereby cooling one side of the plastic packing bag; cooling the second cavity mold 8 through the second cooling pipe 14, thereby cooling the other side of the plastic packing bag; through third cooling tube 19, cool off formed part 15 to cooling inside the plastic bag, first cooling tube 12, second cooling tube 14 and third cooling tube 19 move simultaneously for the cooling rate of blowing material makes the plastic bag shaping speed faster, and the drawing of patterns speed promotes, thereby improves the work efficiency of mould.
It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Furthermore, the above definitions of various elements and methods are not limited to the specific structures, shapes or modes of operation set forth in the examples.
It is also noted that the illustrations herein may provide examples of parameters that include particular values, but that these parameters need not be exactly equal to the corresponding values, but may be approximated to the corresponding values within acceptable error tolerances or design constraints. Directional phrases used in the embodiments, such as those referring to "upper", "lower", "front", "rear", "left", "right", etc., refer only to the orientation of the attached drawings and are not intended to limit the scope of the present application.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. A medical plastic packaging bag rapid blow molding mold comprises: the cooling device comprises a fixed die (1), a movable die (2), a first inner cavity die (5) arranged on the left side of the fixed die (1), and a second inner cavity die (8) arranged on the movable die (2) and matched with the first inner cavity die (5), and is characterized in that a forming part (15) is arranged between the first inner cavity die (5) and the second inner cavity die (8), and a first cooling pipe (12), a second cooling pipe (14) and a third cooling pipe (19) are respectively arranged in the first inner cavity die (5), the second inner cavity die (8) and the forming part (15).
2. The medical plastic packaging bag rapid blow molding mold according to claim 1, wherein a limiting rod (3) is connected to each of four corners of the left side wall of the fixed mold (1), and a nut (4) is connected to the limiting rod (3) after passing through the movable mold (2).
3. The medical plastic packaging bag rapid blow molding mold according to claim 1, wherein a first blow molding opening (6) is formed in the first inner cavity mold (5), a first clamping opening (7) is formed in the lower portion of the first inner cavity mold (5), and the first blow molding opening (6) and the first clamping opening (7) are respectively communicated with the inner cavity of the first inner cavity mold (5).
4. The medical plastic packaging bag rapid blow molding mold according to claim 1, wherein a second blow molding opening (9) is formed in the second inner cavity mold (8), a second clamping opening (10) is formed in the lower portion of the second inner cavity mold (8), and the second blow molding opening (9) and the second clamping opening (10) are respectively communicated with the inner cavity of the second inner cavity mold (8).
5. The medical plastic packaging bag rapid blow molding die as claimed in claim 1, wherein a first cooling cavity (11) is formed in the first inner cavity die (5), the first cooling pipe (12) is laid in the first cooling cavity (11), and both ends of the first cooling pipe (12) penetrate through the first inner cavity die (5) to communicate with a cooling water tank.
6. The medical plastic packaging bag rapid blow molding mold according to claim 1, wherein a second cooling cavity (13) is formed in the second inner cavity mold (8), the second cooling pipe (14) is laid in the second cooling cavity (13), and two ends of the second cooling pipe (14) penetrate through the second inner cavity mold (8) and are communicated with a cooling water tank.
7. The medical plastic packaging bag rapid blow molding mold according to claim 1, wherein a supporting column (16) is connected to the bottom of the molding member (15), and a supporting frame (17) is connected to the bottom of the supporting column (16); a third cooling cavity (18) is formed in the forming part (15), the third cooling pipe (19) is laid in the third cooling cavity (18), and two ends of the third cooling pipe (19) penetrate through the forming part (15) and the supporting column (16) to communicate with a cooling water tank.
8. The medical plastic packaging bag rapid blow molding die as claimed in claim 2, wherein a supporting plate (20) is connected to the end of the limiting rod (3), a telescopic cylinder (21) is connected to the right side wall of the supporting plate (20), and the telescopic end of the telescopic cylinder (21) is connected with the movable die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220021241.4U CN216635348U (en) | 2022-01-06 | 2022-01-06 | Medical plastic packaging bag rapid blow molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220021241.4U CN216635348U (en) | 2022-01-06 | 2022-01-06 | Medical plastic packaging bag rapid blow molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216635348U true CN216635348U (en) | 2022-05-31 |
Family
ID=81725482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220021241.4U Active CN216635348U (en) | 2022-01-06 | 2022-01-06 | Medical plastic packaging bag rapid blow molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216635348U (en) |
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2022
- 2022-01-06 CN CN202220021241.4U patent/CN216635348U/en active Active
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