Mold shell for bottle blowing machine

Abstract

The utility model relates to the technical field of bottle blowing machines, in particular to a mold shell for a bottle blowing machine, which comprises a bottle blowing machine and a mold opening and closing mechanism mounted on the bottle blowing machine, the mold opening and closing mechanism comprises a first arc-shaped shell, a second arc-shaped shell, a locking component and a fixing shaft, the first arc-shaped shell and the second arc-shaped shell are both provided with connecting lugs, and the connecting lugs are connected with the fixing shaft. The number of the connecting lugs is at least one, the connecting lugs installed on the first arc-shaped shell and the connecting lugs installed on the second arc-shaped shell are arranged at intervals, the fixing shaft penetrates through the connecting lugs, the connecting lugs on the first arc-shaped shell are connected with the fixing shaft through first bearings, and the connecting lugs on the second arc-shaped shell are fixed to the fixing shaft. Or the connecting lug on the second arc-shaped shell is connected with the fixed shaft through a second bearing, and the connecting lug on the first arc-shaped shell is fixed with the fixed shaft; the connecting piece is mounted on the fixed shaft and is connected with an external bottle blowing machine; and the driving assembly is mounted on the bottle blowing machine and is used for controlling the rotation of the fixed shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottle blowing machine technical field especially relates to a mould shell for bottle blowing machine. BACKGROUND

[0002] Bottle blowing machine: it is a two-step full-automatic stretch bottle blowing equipment.

[0003] Most of the bottle blowing machines are two-step bottle blowing machines, that is, the plastic raw materials must be made into bottle preforms, and then blown. The commonly used is PET material environmental protection plastic. Blow molding machine: after liquid plastic is sprayed out, the wind force of the machine is used to blow the plastic body to a certain shaped mold cavity, thereby the product is made, and this machine is called blow molding machine.

[0004] When the bottle blowing machine blows bottles, one part of the parts is the mold opening and closing mechanism. The mold opening and closing mechanism clamps a part of the plasticized plastic workpiece, and then sets a forming device inside the mold opening and closing mechanism. At this time, the plasticized plastic is blown, and the plasticized plastic workpiece expands and adheres to the forming device. This can blow and form bottles. The size of the forming device affects the entire bottle blowing situation. At the same time, patterns or trademarks can be printed in the forming device.

[0005] The current mold opening and closing mechanism has a main mold opening and closing and a vice mold opening and closing. The main mold opening and closing and the vice mold opening and closing are generally connected through a rotating shaft, and a connecting rod mechanism pulls the main mold opening and closing and the vice mold opening and closing. This can effectively open and close the entire mold opening and closing mechanism. Finally, a locking assembly is arranged on the main mold opening and closing and the vice mold opening and closing. This can realize the use of the mold opening and closing mechanism of the entire bottle blowing machine.

[0006] The current mold opening and closing mechanism is the above mechanism. This can effectively cooperate with the use of the automatic bottle blowing machine. In the process of blowing bottles, new problems will appear.

[0007] 1. In the process of blowing bottles, the mold will expand. When the mold opening and closing mechanism clamps the entire plasticized plastic workpiece, the blowing assembly blows the entire plasticized plastic workpiece. In this process, the locked mold opening and closing mechanism will be expanded by the plastic workpiece. This is the case of mold expansion. The mold opening and closing mechanism will deform during long-term use. This will cause the entire mold opening and closing mechanism to be scrapped. At this time, in order to improve the service life of the entire mold opening and closing mechanism, the problem needs to be solved by the personnel in the field.

[0008] 2. In the process of blowing bottles, the rotating shaft is fixed, and the rotating shaft cooperates with the main and auxiliary opening and closing molds, and the rotating shaft and the main and auxiliary opening and closing molds are connected through bearings. Because the whole automatic bottle blowing machine has a high frequency of movement of the main and auxiliary opening and closing molds during the blowing work, the frequency of use of the internal bearings is high. In order to prolong the service life of the bearings, it is necessary to add lubricating oil to the bearings at this time. There are many opening and closing mold mechanisms on the whole bottle blowing machine. The lubricating oil is a considerable consumption. In order to better save the consumption of lubricating oil and not affect the use of the whole equipment, a new mold shell for a bottle blowing machine is needed to solve the above problems. Content of the utility model

[0009] In order to solve the above technical problems, the utility model provides a mold shell for a bottle blowing machine.

[0010] The utility model provides a mold shell for a bottle blowing machine, which comprises a bottle blowing machine and an opening and closing mold mechanism installed on the bottle blowing machine, the opening and closing mold mechanism comprises a first arc-shaped shell, a second arc-shaped shell, a locking assembly and a fixed shaft, the first arc-shaped shell and the second arc-shaped shell are both provided with connecting ears, the number of the connecting ears is at least one, the connecting ears installed on the first arc-shaped shell and the connecting ears installed on the second arc-shaped shell are arranged at intervals, the fixed shaft penetrates through the connecting ears, the connecting ears on the first arc-shaped shell are connected with the fixed shaft through first bearings, and the connecting ears on the second arc-shaped shell are fixed with the fixed shaft, or the connecting ears on the second arc-shaped shell are connected with the fixed shaft through second bearings, and the connecting ears on the first arc-shaped shell are fixed with the fixed shaft, a connecting piece is installed on the fixed shaft and connected with the external bottle blowing machine, and a driving assembly is installed on the bottle blowing machine and used for controlling the rotation of the fixed shaft.

[0011] Preferably, the number of the connecting ears installed on the first arc-shaped shell is three, and the number of the connecting ears installed on the second arc-shaped shell is two, a first bearing is installed in the connecting ear installed on the first arc-shaped shell, the inner shaft of the first bearing is connected with the fixed shaft, the connecting ear installed on the second arc-shaped shell is fixed with the fixed shaft, and the first arc-shaped shell is connected with a first connecting rod mechanism.

[0012] Preferably, a first oil supply assembly is arranged on the connecting ear installed on the first arc-shaped shell, and the first oil supply assembly is used for lubricating the first bearing installed in the connecting ear.

[0013] Preferably, the first connecting rod mechanism comprises a first power source and a connecting rod installed on the first power source, the other end of the connecting rod is connected with the first arc-shaped shell, and the first power source is used for driving the connecting rod to open and close the first arc-shaped shell.

[0014] Preferably, the number of connecting ears mounted on the first arc-shaped shell is three, and the number of connecting ears mounted on the second arc-shaped shell is two; a second bearing is mounted in the connecting ear mounted on the second arc-shaped shell, the inner shaft of the second bearing is connected with the fixed shaft, the connecting ear mounted on the first arc-shaped shell is fixed with the fixed shaft, and the second arc-shaped shell is connected with the second linkage mechanism.

[0015] Preferably, a second oil supply assembly is arranged on the connecting ear mounted on the second arc-shaped shell, and the second oil supply assembly is used for lubricating the second bearing mounted in the connecting ear.

[0016] Preferably, the second linkage mechanism comprises a second power source and a linkage rod mounted on the second power source, one end of the linkage rod is connected with the second arc-shaped shell, and the second power source is used for driving the linkage rod to open and close the second arc-shaped shell.

[0017] Preferably, the connecting piece is a third bearing fixedly mounted on the fixed shaft, the inner shaft of the third bearing is connected with the fixed shaft, and the outer shaft of the third bearing is connected with the bottle blowing machine; and the driving assembly is a motor mounted on the fixed shaft.

[0018] Compared with the related art, the mold shell for the bottle blowing machine has the following beneficial effects:

[0019] Specifically, the life of the mold line is prolonged, the position where the first arc-shaped shell and the second arc-shaped shell are hingedly connected is the mold line, because the bearing is mounted at the mold line, the specific reason for the mold expansion is that the gap between the inner ring and the outer ring of the bearing becomes larger through long-term use of the entire mold shell, so that the mold expansion occurs. 1、The first arc-shaped shell or the second arc-shaped shell is directly fixed with the fixed shaft, which can effectively fix one of the arc-shaped shells, so that in the case of mold expansion, if the maximum deformation of the two mold shells is 10mm, the original device expands outward at the same time when blowing bottles, and the maximum distance between the two arc-shaped shells is 10mm, that is, each arc-shaped shell needs to expand 5mm to be scrapped, and the pressure of the fixed arc-shaped shell is constant, and the other arc-shaped shell needs to reach 10mm to be scrapped, and the bottle blowing machine blows bottles, one side is sealed and cannot be expanded outward, and the design can double the life of the mold opening and closing mechanism.

[0020] 2、In order to better cooperate with the entire bottle blowing machine, for example, the bottle blowing machine will generate a great pressure on the entire arc-shaped shell when blowing bottles, so the design itself needs multiple connecting ears to cooperate, for example, the number of connecting ears on the first arc-shaped shell is three, and the number of connecting ears on the second arc-shaped shell is two, which are connected with the fixed shaft at intervals, and such a design can adapt to the strength of the mold opening and closing mechanism;

[0021] The original design is to add bearings in each connecting ear, so that each bearing needs to be added with lubricating oil; the current design is to abandon one set of bearings, and then fixed with the fixed shaft, so that one set of bearings can be saved, and one set of lubricating oil is also saved, and then a bearing is arranged on the fixed shaft, originally three or two bearings, now one bearing, which can save one or two bearings, and also saves one or two lubricating oil positions, so as to save the cost. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the utility model;

[0023] Figure 2 It is a schematic view of the connection of the first arc-shaped shell and the fixed shaft of the utility model;

[0024] Figure 3 It is a schematic view of the second arc-shaped shell structure of the utility model;

[0025] Figure 4 It is a schematic view of the second bearing structure of the utility model;

[0026] Figure 5 It is a schematic view of the first arc-shaped shell structure of the utility model;

[0027] Figure 6 It is a schematic view of the first bearing structure of the utility model;

[0028] Figure 7 It is a schematic view of the connection of the second arc-shaped shell and the fixed shaft of the utility model.

[0029] Reference signs in the drawing: 1, first arc-shaped shell; 2, second arc-shaped shell; 3, first connecting rod mechanism; 4, fixed shaft; 5, third bearing; 6, locking assembly; 7, second bearing; 8, first bearing. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0031] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0032] Please refer to Figure 1As shown in the utility model embodiment provides a kind of mould shell for bottle blowing machine, it include: bottle blowing machine and open-close mould mechanism being installed on bottle blowing machine, open-close mould mechanism includes first arc shell 1, second arc shell 2, locking assembly 6 and fixed shaft 4, first arc shell 1 and second arc shell 2 are all provided with connecting lug, the number of connecting lug is at least one, connecting lug being installed on first arc shell 1 is arranged with the interval of connecting lug being installed on second arc shell 2, fixed shaft 4 penetrates connecting lug, it is characterized in that, the connecting lug on first arc shell 1 is connected with fixed shaft 4 by first bearing 8, the connecting lug on second arc shell 2 is fixed with fixed shaft 4;Or, the connecting lug on second arc shell 2 is connected with fixed shaft 4 by second bearing 7, the connecting lug on first arc shell 1 is fixed with fixed shaft 4;Connecting piece, it is installed on fixed shaft 4 and is connected with the bottle blowing machine of outside;Driving assembly, it is installed on bottle blowing machine and is used to control the rotation of fixed shaft 4.

[0033] Please refer to Figures 2-4 As shown, the number of connecting lug being installed on first arc shell 1 is three, the number of connecting lug being installed on second arc shell 2 is two;First bearing 8 is installed in the connecting lug being installed on first arc shell 1, the inner shaft of first bearing 8 is connected with fixed shaft 4, the connecting lug being installed on second arc shell 2 is fixed with fixed shaft 4, first arc shell 1 is connected with first connecting rod mechanism 3.

[0034] First oil supply assembly is provided on the connecting lug being installed on first arc shell 1, and the first oil supply assembly is used to lubricate the first bearing 8 installed in the connecting lug.

[0035] First connecting rod mechanism 3 includes first power source and connecting rod being installed on first power source, the other end of connecting rod is connected with first arc shell 1, and first power source is used to drive connecting rod to open and close first arc shell 1.

[0036] In this embodiment, the connecting lug being installed on second arc shell 2 is fixed with fixed shaft 4, when first arc shell 1 and second arc shell 2 are opened, driving assembly drives fixed shaft 4 to rotate, fixed shaft 4 drives second arc shell 2 to rotate, and then first connecting rod mechanism 3 pulls first arc shell 1, so that first arc shell 1 and second arc shell 2 can be opened, compared with the original device, the manufacturing cost can be saved by the manufacturing method, and one connecting rod mechanism is also saved, so that the manufacturing cost is saved, and one bearing design is saved, in use, lubricating oil is saved, daily oil consumption is reduced, and cost is saved;

[0037] The device described above connects the second arc-shaped shell 2 with the fixed shaft 4, so that the second arc-shaped shell 2 is fixed, when the mold is expanded, the inside bottle pushes the second arc-shaped shell 2, because the second arc-shaped shell 2 is connected with the fixed shaft 4, so it will not move, only the first arc-shaped shell 1 is subjected to the pressure of the expanded mold, this design can double the life of the mold opening and closing mechanism, if the maximum deformation of the two mold shells is 10mm, only the first arc-shaped shell 1 deforms to 10mm can be scrapped, so as to save the whole use cost and prolong the service life of the machine.

[0038] Please refer to Figures 5-7 As shown, the number of connecting ears installed on the first arc-shaped shell 1 is three, and the number of connecting ears installed on the second arc-shaped shell 2 is two; the connecting ears installed on the second arc-shaped shell 2 are provided with the second bearing 7, the inner shaft of the second bearing 7 is connected with the fixed shaft 4, the connecting ears installed on the first arc-shaped shell 1 are fixed with the fixed shaft 4, and the second arc-shaped shell 2 is connected with the second linkage mechanism.

[0039] The connecting ears installed on the second arc-shaped shell 2 are provided with a second oil supply assembly, which is used to lubricate the second bearing 7 installed in the connecting ears.

[0040] The second linkage mechanism includes a second power source and a linkage rod installed on the second power source, the other end of the linkage rod is connected with the second arc-shaped shell 2, and the second power source is used to drive the linkage rod to open and close the second arc-shaped shell 2.

[0041] In this embodiment, the connecting ears installed on the first arc-shaped shell 1 are fixed with the fixed shaft 4, when the first arc-shaped shell 1 and the second arc-shaped shell 2 are opened, the driving assembly drives the fixed shaft 4 to rotate, the fixed shaft 4 drives the first arc-shaped shell 1 to rotate, and then the second linkage mechanism pulls the second arc-shaped shell 2, so that the first arc-shaped shell 1 and the second arc-shaped shell 2 can be opened, compared with the original device, this manufacturing method can save two bearings and one linkage mechanism, thereby saving the manufacturing cost, reducing the design of two bearings, saving lubricating oil in use, reducing daily oil consumption, and saving cost.

[0042] The device described above connects the first arc-shaped shell 1 with the fixed shaft 4, so that the first arc-shaped shell 1 is fixed, when the mold is expanded, the inside bottle pushes the first arc-shaped shell 1, because the first arc-shaped shell 1 is connected with the fixed shaft 4, so it will not move, only the second arc-shaped shell 2 is subjected to the pressure of the expanded mold, this design can double the life of the mold opening and closing mechanism, if the maximum deformation of the two mold shells is 10mm, only the second arc-shaped shell 2 deforms to 10mm can be scrapped, so as to save the whole use cost and prolong the service life of the machine.

[0043] The connecting piece is a third bearing 5 fixedly installed on the fixed shaft 4, the inner shaft of the third bearing 5 is connected with the fixed shaft 4, the outer shaft of the third bearing 5 is connected with the bottle blowing machine, and the driving assembly is a motor installed on the fixed shaft 4.

[0044] In this embodiment, the first bearing 8 and the second bearing 7 cannot use large bearings due to design reasons, and only small bearings can be used. The fixed shaft 4 is as close as possible to the position of the bottle blowing machine. If the bearing is too large, it will affect the strength of the whole mold opening and closing mechanism. Although the large bearing can avoid the situation of mold expansion, because the large bearing has high strength, using the large bearing will make the fixed shaft 4 far away from the position of the bottle blowing machine, which will cause more problems, such as the gap cannot be closed, the overall strength of the mold opening and closing mechanism is insufficient, and the overall strength of the mold opening and closing mechanism is insufficient. The service life of the whole bottle blowing machine is insufficient, so the first bearing 8 and the second bearing 7 can only use large bearings.

[0045] However, the third bearing 5 can use a large bearing. The third bearing 5 is designed on the outside of the whole mold opening and closing mechanism and on the fixed shaft 4. At this time, the original design of the mold opening and closing mechanism is avoided, so that bearings with better strength can be used.

[0046] The original device pulls the first arc-shaped shell 1 and the second arc-shaped shell 2 through two connecting rod mechanisms. The first arc-shaped shell 1 and the second arc-shaped shell 2 have one power source respectively and are matched with the connecting rod assembly. This design can effectively save one connecting assembly, thereby saving the whole manufacturing cost. Using this design can reduce the cost while improving the service life to twice that of the original design.

[0047] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0048] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model. Any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A blow mold for a bottle blowing machine, comprising: The utility model provides a bottle blowing machine and open and close mould mechanism installed on bottle blowing machine, open and close mould mechanism includes first arc shell (1), second arc shell (2), locking assembly (6) and fixed shaft (4), first arc shell (1) and second arc shell (2) are all provided with connecting lug, the number of connecting lug has at least one, the connecting lug installed on first arc shell (1) is arranged with the interval with the connecting lug installed on second arc shell (2), fixed shaft (4) passes through connecting lug, its characterized in that, the connecting lug on first arc shell (1) is connected with fixed shaft (4) through first bearing (8), the connecting lug on second arc shell (2) is fixed with fixed shaft (4); Or, The connecting lug on second arc shell (2) is connected with fixed shaft (4) through second bearing (7), and the connecting lug on first arc shell (1) is fixed with fixed shaft (4); The connecting lug is connected with the bottle blowing machine outside the fixed shaft (4) and is connected; The driving assembly is installed on the bottle blowing machine and is used to control the rotation of the fixed shaft (4).

2. A parison according to claim 1, wherein The number of connecting lug installed on first arc shell (1) is three, and the number of connecting lug installed on second arc shell (2) is two. The first bearing (8) is installed in the connecting lug installed on first arc shell (1), the inner shaft of first bearing (8) is connected with fixed shaft (4), the connecting lug installed on second arc shell (2) is fixed with fixed shaft (4), and first arc shell (1) is connected with first connecting rod mechanism (3).

3. A shell for a bottle blowing machine according to claim 2, characterized in that The first oil supply assembly is arranged on the connecting lug installed on first arc shell (1), and is used to lubricate the first bearing (8) installed in the connecting lug.

4. A shell for a bottle blowing machine according to claim 2, wherein The first connecting rod mechanism (3) comprises a first power source and a connecting rod installed on the first power source, one end of the connecting rod is connected with first arc shell (1), and the first power source is used to drive the connecting rod to open and close first arc shell (1).

5. A parison according to claim 1, wherein The number of connecting lug installed on first arc shell (1) is three, and the number of connecting lug installed on second arc shell (2) is two. The second bearing (7) is installed in the connecting lug installed on second arc shell (2), the inner shaft of second bearing (7) is connected with fixed shaft (4), the connecting lug installed on first arc shell (1) is fixed with fixed shaft (4), and second arc shell (2) is connected with second connecting rod mechanism.

6. A parison according to claim 5, wherein The second oil supply assembly is arranged on the connecting lug installed on second arc shell (2), and is used to lubricate the second bearing (7) installed in the connecting lug.

7. A shell for a bottle blowing machine according to claim 5, wherein The second connecting rod mechanism comprises a second power source and a connecting rod installed on the second power source, one end of the connecting rod is connected with second arc shell (2), and the second power source is used to drive the connecting rod to open and close second arc shell (2).

8. A shell for a bottle blowing machine according to claim 4 or 7, characterised in that The connecting lug is connected with the bottle blowing machine outside the fixed shaft (4) and is connected.

9. A parison according to claim 8, wherein The driving assembly is installed on the bottle blowing machine and is used to control the rotation of the fixed shaft (4). The number of connecting lug installed on first arc shell (1) is three, and the number of connecting lug installed on second arc shell (2) is two. The first bearing (8) is installed in the connecting lug installed on first arc shell (1), the inner shaft of first bearing (8) is connected with fixed shaft (4), the connecting lug installed on second arc shell (2) is fixed with fixed shaft (4), and first arc shell (1) is connected with first connecting rod mechanism (3). The first oil supply assembly is arranged on the connecting lug installed on first arc shell (1), and is used to lubricate the first bearing (8) installed in the connecting lug. The first connecting rod mechanism (3) comprises a first power source and a connecting rod installed on the first power source, one end of the connecting rod is connected with first arc shell (1), and the first power source is used to drive the connecting rod to open and close first arc shell (1). The number of connecting lug installed on first arc shell (1) is three, and the number of connecting lug installed on second arc shell (2) is two. The second bearing (7) is installed in the connecting lug installed on second arc shell (2), the inner shaft of second bearing (7) is connected with fixed shaft (4), the connecting lug installed on first arc shell (1) is fixed with fixed shaft (4), and second arc shell (2) is connected with second connecting rod mechanism. The second oil supply assembly is arranged on the connecting lug installed on second arc shell (2), and is used to lubricate the second bearing (7) installed in the connecting lug. The second connecting rod mechanism comprises a second power source and a connecting rod installed on the second power source, one end of the connecting rod is connected with second arc shell (2), and the second power source is used to drive the connecting rod to open and close second arc shell (2). The connecting lug is connected with the bottle blowing machine outside the fixed shaft (4) and is connected. The driving assembly is installed on the bottle blowing machine and is used to control the rotation of the fixed shaft (4).

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