Blow molding machine with blow molding head easy to disassemble

Abstract

The utility model relates to the technical field of plastic processing, in particular to a blow molding machine with a blow molding head easy to disassemble, which comprises a base, a processing table arranged on the base, a mold arranged on the processing table, a first hydraulic rod group fixedly connected to the base, a top plate fixedly connected to the other end of the first hydraulic rod group, and a motor arranged on the top plate. A driving shaft of the motor is coaxially and fixedly connected with a rotating rod, an air cylinder is arranged on the top plate, an air outlet of the air cylinder is fixedly connected with an air conveying pipe, the air conveying pipe is located over the mold and below the top plate and fixedly connected with a second hydraulic rod set, the bottom end of the second hydraulic rod set is fixedly connected with a fixing plate, and a stepped hole is formed in the fixing plate; a matched rotating disc is placed in the stepped hole, a plurality of mounting holes are formed in the rotating disc, and blow molding heads are arranged in the mounting holes. The blow molding heads are replaced through the cooperation of the second hydraulic rod set, the rotating shaft and the rotating disc, and the problems that the blow molding heads need to be manually replaced every time, and the blow molding heads cannot be replaced in a unified batch mode are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic processing, specifically to a blow molding machine with blow molding head easy to disassemble. BACKGROUND

[0002] The blow molding machine is a kind of plastic processing machine, and is widely applied to packaging, container, toy, medical treatment, chemical industry and multiple fields.Such as plastic bottle, barrel, tank and the like hollow container is one of the main products of blow molding machine, in addition, blow molding machine can also produce various hollow products with complex shapes, such as automobile parts, furniture accessories and the like.It blows and adheres liquid plastic to a certain shape of mold cavity through a specific process, thereby producing various hollow products.

[0003] The blow molding process of the blow molding machine is mainly in the blow molding process, and the tubular plastic parison obtained by extrusion or injection molding is placed in the split mold after being heated and softened, compressed air is introduced into the parison immediately after the mold is closed, so that the plastic parison is blown and adheres to the inner wall of the mold, and the hollow product is obtained after cooling and demolding.

[0004] The existing blow molding machine equipment needs to be manually replaced each time when the original equipment replaces the blow molding head, and the model of each product is inconsistent, so that unified batch replacement of the blow molding head cannot be carried out, and therefore a new blow molding machine with blow molding head easy to disassemble is needed to realize batch replacement of the blow molding head with different specifications. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a blow molding machine with blow molding head easy to disassemble to solve the problem that the original equipment needs to be manually replaced each time when replacing the blow molding head, and the model of each product is inconsistent, so that unified batch replacement of the blow molding head cannot be carried out.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a blow molding machine with blow molding head easy to disassemble, comprising a base, a processing table is arranged on the base, a mold is arranged on the processing table, a first hydraulic rod group is fixedly connected to the base, a top plate is fixedly connected to the other end of the first hydraulic rod group, a motor is arranged on the top plate, a rotating rod is coaxially fixedly connected to the driving shaft of the motor, a gas cylinder is arranged on the top plate, a gas outlet of the gas cylinder is fixedly connected with a gas conveying pipe, the gas conveying pipe is above the mold, a second hydraulic rod group is fixedly connected below the top plate, a fixed plate is fixedly connected to the bottom end of the second hydraulic rod group, a stepped hole is formed in the fixed plate, a matched rotating disc is placed in the stepped hole, a plurality of mounting holes are formed in the rotating disc, and a blow molding head is arranged in the mounting hole.

[0007] Preferably, a triangular groove is formed in the center of the rotating disc, the rotating rod is a triangular column matched with the triangular groove, and the rotating rod passes through the triangular groove.

[0008] Preferably, the bottom end of the gas conveying pipe is provided with an inner chamfer structure, the bottom end of the gas conveying pipe is provided with a first sealing gasket, the top end of the blow molding head is provided with an outer chamfer structure, and the top end of the blow molding head is provided with a second sealing gasket.

[0009] Compared with the prior art, the utility model has at least the following technical effects or advantages:

[0010] 1. By setting motor on the top plate, the rotating disc is provided with a triangular groove, the rotating rod is provided with a three-mushroom column matched with the triangular groove, the triangular groove is slightly larger than the rotating rod, the rotating rod can drive the rotating disc, the rotating disc can be separated from the rotating rod, the fixed plate is provided with a stepped hole, the stepped hole is placed with a matched rotating disc, the rotating disc is provided with a plurality of mounting holes, the blow molding head is arranged in the mounting hole, the specifications of the blow molding head are different, and the blow molding head is uniformly placed from small to large, the second hydraulic rod group is respectively fixedly connected with the top plate and the fixed plate at both ends, the second hydraulic rod group is lowered, the blow molding head is separated from the gas conveying pipe, the motor drives the rotating rod to drive the rotating disc with different specifications of the blow molding head, the rotating disc is rotated to the next blow molding head, the second hydraulic rod group is raised again, the blow molding head is clamped with the gas conveying pipe, the replacement of the blow molding head is completed, the manual replacement is avoided, and the problem that the models of each product are inconsistent and the blow molding head cannot be uniformly and massively replaced is solved.

[0011] 2. By setting the bottom end of the gas conveying pipe as an inner chamfer structure, the bottom end of the gas conveying pipe is provided with a first sealing gasket, the top end of the blow molding head is provided with an outer chamfer structure, and the top end of the blow molding head is provided with a second sealing gasket, when the second hydraulic rod is raised, the blow molding head is inserted into the gas conveying pipe, the conveying pipe is tightly connected with the blow molding head, the sealing gasket is reinforced, and the air leakage problem is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a rotating disc and fixed plate cross section structure schematic view of the utility model;

[0014] Figure 3 It is a rotating disc and fixed plate overhead structure schematic view of the utility model;

[0015] Figure 4 It is a blow molding head and gas conveying pipe connection cross section structure schematic view of the utility model.

[0016] In the figure: 1, base; 2, first hydraulic rod group; 3, fixed plate; 31, stepped hole; 4, second hydraulic rod group; 5, rotating rod; 51, triangular groove; 6, motor; 7, air cylinder; 8, top plate; 9, gas conveying pipe; 91, first sealing gasket; 10, rotating disc; 101, blow molding head; 102, mounting hole; 103, second sealing gasket; 11, processing table; 12, mold. DETAILED DESCRIPTION

[0017] The utility model will be further described in detail below in combination with the drawings, wherein the same parts are denoted by the same reference signs, and it should be noted that the words "front", "back", "left", "right", "up" and "down", "bottom surface" and "top surface" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part.

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1 to 4 The utility model provides technical schemes to solve the problem that the original equipment in the background art needs to be manually replaced each time and cannot be uniformly replaced in large batches because the models of each product are inconsistent when replacing the blow molding head.

[0020] Embodiment one:

[0021] As Figures 1 to 3As shown, a blow molding machine with a blow molding head easy to disassemble, comprising a base 1, a processing table 11 is arranged on the base 1, a mold 12 is arranged on the processing table 11, a first hydraulic rod group 2 is fixedly connected on the base 1, one end of the first hydraulic rod group 2 is fixedly connected with a top plate 8, the first hydraulic rod group 2 can adjust the up-down displacement of the top plate 8, a motor 6 is arranged on the top plate 8, a rotating rod 5 is coaxially fixedly connected with the driving shaft of the motor 6, the operator can make the rotating rod 5 rotate by starting the motor 6, a gas cylinder 7 is arranged on the top plate 8, a gas conveying pipe 9 is fixedly connected with the gas outlet of the gas cylinder 7, the air in the gas cylinder 9 is sent to the gas conveying pipe 9 along the gas outlet of the gas cylinder 7, a second hydraulic rod group 4 is fixedly connected below the top plate 8, a fixed plate 3 is fixedly connected with the bottom end of the second hydraulic rod group 4, a stepped hole 31 is formed in the fixed plate 3, a matched rotating disc 10 is placed in the stepped hole 31, a plurality of mounting holes 102 are formed in the rotating disc 10, a blow molding head 101 is arranged in the mounting hole 102, the blow molding head 101 is not of the same specification, the blow molding head 101 is uniformly placed according to the specification from small to large, which is convenient for unified batch replacement, when the second hydraulic rod group 4 controls the upward movement of the fixed plate 3, the blow molding head 101 is tightly connected with the gas conveying pipe 9, when the second hydraulic rod group 4 controls the downward movement of the fixed plate 3, the blow molding head 101 is separated from the gas conveying pipe 9, at the same time, the rotating disc 10 is separated from the rotating rod 5, when the rotating rod 5 rotates, it can drive the rotation of the rotating disc 10, so as to be displaced to the next blow molding head 101, and the replacement is completed.

[0022] Example two:

[0023] On the basis of example one, as shown in Figure 3 and Figure 4 a blow molding machine with a blow molding head easy to disassemble, a triangular groove 51 is formed in the center of the rotating disc 10, the rotating rod 5 is arranged as a triangular column matched with the triangular groove, the rotating rod 5 passes through the triangular groove 51, the size of the triangular groove 51 is slightly larger than that of the rotating rod 5, which is convenient for the rotating rod 5 to drive the rotation of the rotating disc 10 when the rotating rod 5 rotates, the rotating disc 10 can also be separated from the rotating rod 5 when the blow molding head is replaced, and the effect of replacing the blow molding head 101 is achieved.

[0024] The bottom end of the gas conveying pipe 9 is arranged as an inner chamfer structure, the bottom end of the gas conveying pipe 9 is provided with a first sealing gasket 91, the top end of the blow molding head 101 is arranged as an outer chamfer structure, the top end of the blow molding head 101 is provided with a second sealing gasket 103, when the second hydraulic rod group 4 rises, the blow molding head 101 is connected with the gas conveying pipe 9, the design of the chamfer structure makes the blow molding head 101 tightly connected with the gas conveying pipe 9, and under the action of force, it is more sealed, the effect of further sealing is achieved by the action of the first sealing gasket 91 and the second sealing gasket 103 between the gas conveying pipe 9 and the blow molding head 101, and air leakage is avoided.

[0025] Working principle: when replacing the blow molding head, the operator controls the second hydraulic rod group 4 to descend, so that the blow molding head 101 is separated from the air conveying pipe 9, at the same time, the rotating disc 10 is separated from the rotating rod 5, the motor 6 is started, the motor 6 drives the rotating rod 5 to rotate through the driving shaft, the rotating rod 5 drives the rotating disc 10 to rotate, the blow molding head 101 on the rotating disc 10 is uniformly placed according to the size from small to large, the rotating disc 10 is displaced to the next blow molding head 101 after rotating, the second hydraulic rod group 4 rises, the newly replaced blow molding head 101 is connected with the air conveying pipe 9 through clamping, and the replacement is completed.

[0026] By controlling the first hydraulic rod group 2 to descend to the upper side of the mold 12 on the processing table 11, the air cylinder 7 sends air to the air conveying pipe 9 through the air outlet of the air cylinder 7, the air conveying pipe 9 is connected with the blow molding head 101 on the rotating disc 10 through clamping, air is sent to the blow molding head 101 from the air conveying pipe 9, the blow molding head 101 sends compressed air into the mold on the processing table 11, so that the tubular plastic parison after being heated and softened is blown and tightly attached to the inner wall of the mold, and the hollow product is obtained after demolding.

[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A blow molding machine with an easily detachable blow molding head, characterized in that: The invention comprises a base (1), a processing table (11) is provided on the base (1), a mold (12) is provided on the processing table (11), a first hydraulic rod group (2) is fixedly connected to the base (1), the other end of the first hydraulic rod group (2) is fixedly connected to a top plate (8), a motor (6) is provided on the top plate (8), a driving shaft of the motor (6) is coaxially fixedly connected to a rotating rod (5), a cylinder (7) is provided on the top plate (8), and an air outlet of the cylinder (7) is fixedly connected to the rotating rod (5). An air delivery pipe (9) is connected, and the air delivery pipe (9) is directly above the mold (12). A second hydraulic rod group (4) is fixedly connected below the top plate (8), and a fixed plate (3) is fixedly connected to the bottom end of the second hydraulic rod group (4). A stepped hole (31) is provided on the fixed plate (3), and a matching rotating disk (10) is placed in the stepped hole (31). The rotating disk (10) is provided with a plurality of mounting holes (102), and a blow molding head (101) is provided in the mounting hole (102).

2. A blow molding machine with an easily detachable blow molding head according to claim 1, characterized in that: A triangular groove (51) is provided at the center of the rotating disk (10), and the rotating rod (5) is configured as a triangular prism that matches the triangular groove, and the rotating rod (5) passes through the triangular groove (51).

3. The blow molding machine with an easily detachable blow molding head according to claim 1, characterized in that: The bottom end of the air delivery pipe (9) is configured as an inner chamfered structure, and a first sealing gasket (91) is provided at the bottom end of the air delivery pipe (9); the top end of the blow molding head (101) is configured as an outer chamfered structure, and a second sealing gasket (103) is provided at the top end of the blow molding head (101).

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