Opening and closing device of plastic bottle blowing machine

Abstract

The utility model discloses an opening and closing device of a plastic bottle blowing machine, which relates to the technical field of opening and closing moulds and comprises a workbench, a telescopic cylinder arranged at the lower end of the workbench, a moving rod fixedly connected with one end of an output shaft of the telescopic cylinder, sliding rails transversely arranged on two sides of the workbench, sliding blocks arranged on the sliding rails, transverse plates relatively and fixedly connected with the sliding blocks, and the transverse plates are fixedly connected with the telescopic cylinder. A gear is arranged at the center of the upper surface of the workbench, a first rack and a second rack are meshed with the two sides of the gear respectively, one end of the first rack and one end of the second rack are fixedly connected with one side of the lower end of the transverse plate respectively, and hydraulic rods are fixedly connected with the upper surface of the transverse plate respectively. And one side of the top end of the hydraulic rod is fixedly connected with a transmission rod of which one end is fixedly connected with a fixed block. According to the utility model, the gear is matched with the rack, so that the problem of position deviation caused by extrusion of two sides of the die when the original equipment executes a clamping process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to open and close device technical field, specifically is a kind of open and close device of plastic bottle blowing machine. BACKGROUND

[0002] The open and close device of bottle blowing machine is usually composed of mechanical transmission components, pneumatic elements, control system, etc., the mechanical transmission part ensures that the device can stably open and close, the pneumatic element provides power support, and the control system accurately controls the timing and amplitude of opening and closing, which is widely used in beverage industry, food packaging industry, daily chemical industry and pharmaceutical industry.

[0003] When the plastic bottle embryo is transported into the blowing mold, the open and close device quickly closes the mold to provide a closed space for the blow molding of the bottle embryo. After blow molding is completed, the open and close device accurately opens the mold to take out the molded plastic bottle. Through cooperation with other components of the bottle blowing machine, an efficient and accurate production process is realized.

[0004] The original equipment deviates in position when the mold is squeezed during the clamping process, which affects the uniformity and size accuracy of the plastic bottle body, thereby reducing the yield. Therefore, there is an urgent need for a new open and close device of plastic bottle blowing machine to achieve high-precision clamping of the mold. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model aims to provide an open and close device of plastic bottle blowing machine, which can achieve high-precision clamping of the mold.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] An open and close device of plastic bottle blowing machine includes a workbench, a telescopic cylinder is arranged at the lower end of the workbench, a moving rod is fixedly connected to one end of the output shaft of the telescopic cylinder, sliding rails are arranged horizontally on both sides of the upper surface of the workbench, sliding blocks are arranged on the sliding rails, a horizontal plate is fixedly connected to the sliding blocks, an opening is formed in one side of the upper end surface of the workbench, the moving rod is fixedly connected to the lower end of the horizontal plate through the opening, a gear is arranged at the center of the upper surface of the workbench, first and second racks are respectively engaged with the gear on both sides, one ends of the first and second racks are respectively fixedly connected to one side of the lower end of the horizontal plate, hydraulic rods are respectively fixedly connected to the upper surface of the horizontal plate, a transmission rod is fixedly connected to one side of the top end of the hydraulic rods, a fixed block is fixedly connected to one end of the transmission rod, and a first mold and a second mold are arranged on the workbench. Thus, the problem that the mold deviates in position when squeezed during the clamping process of the original equipment is solved.

[0008] Further, the rack is provided with several rollers near the position of the slide rail, which reduces the friction and makes the movement of the first rack and the second rack more smooth.

[0009] Further, the first mold is provided with a first buckle near the opening and is rhombic, and the second mold is provided with a second buckle corresponding to the first mold, and the buckles are buckled with each other during the closing of the mold, so that the mold is provided with additional connection and support, and deviation or deformation of the mold during blowing is prevented.

[0010] Further, the transmission rod is provided with a telescopic spring, and the spring can be adjusted according to the actual situation to ensure that the pressure of the fixing block on the mold is moderate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] (1) The utility model discloses a telescopic cylinder and a slide rail slider are arranged, the horizontal plate can be quickly moved in place, and high-precision and uniform clamping is realized through the meshing of the gear and the rack.

[0013] (2) The utility model discloses a roller is arranged, so that the frictional resistance of the rack with the surface of the workbench is reduced when moving, and the movement of the first rack and the second rack is more smooth.

[0014] (3) The utility model discloses a rhombic buckle on the first mold and a buckle on the second mold are arranged to cooperate with each other, so that the mold is provided with additional connection and support, and deviation or deformation of the mold during blowing is prevented. DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model.

[0016] Fig. 2 It is a workbench structure plan view of the utility model.

[0017] Fig. 3 It is a buckle structure schematic view of the utility model.

[0018] Explanation of reference numerals in the drawing:

[0019] 1, workbench;2, telescopic cylinder;3, moving rod;4, slide rail;5, slide block;6, horizontal plate;7, opening;8, gear;9, rack;10, transmission rod;11, fixing block;12, hydraulic rod;13, telescopic spring;14, roller;15, first mold;16, second mold;17, first buckle;18, second buckle;19, second rack. CONCRETE IMPLEMENTATION

[0020] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0021] Embodiment 1:

[0022] Please refer to Figs. 1-3 The utility model provides a kind of opening and closing device of plastic bottle blowing machine, including the lower end of workbench 1 is equipped with telescopic cylinder 2, telescopic cylinder 2 provides power, mobile rod 3 of the one end of telescopic cylinder 2 output shaft is pushed, the quick movement of horizontal plate 6 is realized, the both sides of workbench 1 upper surface are equipped with slide rail 4 transversely, slide rail 4 is equipped with slider 5, and the cooperation of slide rail 4 and slider 5 reduces friction, so that the movement of horizontal plate 6 fixedly connected on slider 5 is more smooth, opening 7 is set on the one side of workbench 1 upper end surface, mobile rod 3 is fixedly connected with horizontal plate 6 lower end through opening 7, and opening 7 is set to provide mobile channel for mobile rod 3, gear 8 is arranged in the center of workbench 1 upper surface, first rack 9 and second rack 19 are respectively engaged on the both sides of gear 8, and first rack 9 and second rack 19 one end are respectively fixedly connected on the one side of horizontal plate 6 lower end, when telescopic cylinder 2 is started and drives mobile rod 3 to move, then first rack 9 is driven to move, due to the meshing relationship of first rack 9 and gear 8, gear 8 will rotate under the action of first rack 9, then second rack 19 and first rack 9 are driven to move oppositely or towards each other, and hydraulic rod 12 is respectively fixedly connected on the upper surface of horizontal plate 6, the height of hydraulic rod 12 can be adjusted according to the size of mould, transmission rod 10 is fixedly connected with fixed block 11 on the one side of the top end of hydraulic rod 12, and one end of transmission rod 10 is fixedly connected with fixed block 11, first mould 15 and second mould 16 are arranged on workbench 1, so that the deviation problem of mould two sides receiving extrusion when the original equipment is executed clamping process is solved.

[0023] Embodiment 2:

[0024] Please refer to Figs. 1-3 On the basis of embodiment one, the following improvements are made:

[0025] In the embodiment, the one side of first rack 9 and second rack 19 is equipped with a plurality of rollers 14 near the position of slide rail 4, which converts sliding friction into rolling friction, greatly reduces the friction, and makes the movement of first rack 9 and second rack 19 more smooth.

[0026] In the embodiment, the first mold 15 is provided with a first slide buckle 17 on the side close to the opening and is rhombic, and the second mold 16 is provided with a second slide buckle 18 corresponding to the first mold on one side, and the slide buckles are buckled with each other during the closing of the mold, so as to provide additional connection and support for the mold and prevent the mold from being deviated or deformed during the blow molding.

[0027] In the embodiment, the telescopic spring 13 is sleeved on the transmission rod 10, and the spring can be adjusted according to the actual situation, so as to ensure that the pressure of the fixing block on the mold is moderate.

[0028] The working principle is as follows:

[0029] The worker starts the telescopic cylinder 2 at the lower end of the workbench 1, the output shaft of the telescopic cylinder 2 is extended or retracted, drives the moving rod 3 fixedly connected therewith to move, the moving rod 3 is fixedly connected with the lower end of the horizontal plate 6 through the opening 7 on one side of the upper end surface of the workbench 1, so as to drive the horizontal plate 6 to move on the slide rails 4 on both sides of the upper surface of the workbench 1, when the horizontal plate 6 moves, since the first rack 9 and the second rack 19 are respectively fixedly connected on one side of the lower end of the horizontal plate 6, the movement of the horizontal plate 6 will drive the first rack 9 and the second rack 19 to move, and since the first rack 9 and the second rack 19 are respectively engaged with the gear at the center of the workbench 1, during the movement of the racks, the gear 8 will rotate, and then the first rack 9 and the second rack 19 will move in opposite or opposite directions, realizing high-precision and uniform clamping, during the movement of the racks, the several rollers 14 on one side close to the slide rails 4 can reduce friction and make the movement smoother, at the same time, the first slide buckle 17 on the first mold 15 and the second slide buckle 18 corresponding to the second mold 16 can ensure the accurate positioning of the two molds during the opening and closing process, and the telescopic spring 13 sleeved on the transmission rod 10 can play a buffering role during clamping, so as to solve the problem that the two sides of the mold are deviated in position due to extrusion when the original equipment performs the clamping process.

[0030] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An opening and closing device for a plastic bottle blowing machine, characterized in that: The invention comprises a workbench (1), wherein a telescopic cylinder (2) is provided at the lower end of the workbench (1), one end of the output shaft of the telescopic cylinder (2) is fixedly connected to a moving rod (3), slide rails (4) are provided on both sides of the upper surface of the workbench (1), and sliders (5) are provided on the slide rails (4), and a horizontal plate (6) is relatively fixedly connected to the sliders (5), an opening (7) is provided on one side of the upper end surface of the workbench (1), and the moving rod (3) is fixedly connected to the lower end of the horizontal plate (6) through the opening (7), and the middle of the upper surface of the workbench (1) is provided. A gear (8) is provided at the center, and a first rack (9) and a second rack (19) are respectively engaged on both sides of the gear (8), one end of the first rack (9) and the second rack (19) are respectively fixedly connected to one side of the lower end of the horizontal plate (6), and the upper surface of the horizontal plate (6) is respectively fixedly connected to a hydraulic rod (12), and one side of the top end of the hydraulic rod (12) is fixedly connected to a transmission rod (10), and one end of the transmission rod (10) is fixedly connected to a fixed block (11), and a first mold (15) and a second mold (16) are provided on the workbench (1).

2. The opening and closing device of a plastic bottle blowing machine according to claim 1, characterized in that: A plurality of rollers (14) are provided on one side of the first rack (9) and the second rack (19) near the slide rail (4).

3. The opening and closing device of a plastic bottle blowing machine according to claim 1, characterized in that: A first sliding buckle (17) in a diamond shape is provided on one side of the first mold (15) close to the opening, and a second sliding buckle (18) corresponding to the first mold is provided on one side of the second mold (16).

4. The opening and closing device of a plastic bottle blowing machine according to claim 1, characterized in that: A telescopic spring (13) is sleeved on the transmission rod (10).

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