Centering positioning mechanism for blow molding machine

Abstract

The utility model relates to the technical field of blow molding machines, in particular to a centering positioning mechanism for a blow molding machine, which comprises a hydraulic cylinder mounted on a shell of the blow molding machine. A telescopic piece is installed at one end of the hydraulic cylinder, a vertical bar is fixed to one end of the telescopic piece, a connecting groove is formed in the top of the vertical bar, and a penetrating hole communicating with the connecting groove is formed in the outer wall of the rear end of the vertical bar; a motor is installed on the outer wall of the rear end of the vertical bar, and the output end of the motor is matched with a coupler to be connected with a lead screw which penetrates through the penetrating hole and extends into the connecting groove. One end of the screw rod is rotationally connected with the inner wall of the connecting groove; a shaft sleeve is installed on the outer wall of the lead screw, an L-shaped strip is fixed to the outer wall of the shaft sleeve, and a mounting plate is fixed to one end of the L-shaped strip. The discharging pipe can be transversely and vertically adjusted, so that the discharging pipe (a discharging mechanism) can be conveniently centered with a blow molding mechanism, and the working efficiency of the blow molding machine is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to blow molding machine technical field, specifically is a kind of centering positioning mechanism for blow molding machine. BACKGROUND

[0002] Blow molding machine, also known as hollow blow molding machine, is a kind of plastic processing machine. It utilizes the deformation characteristics of thermoplastic under the action of heating, air pressure and cooling to make tubular plastic parison by extrusion or injection molding, and then blow up tightly to the inner wall of the mold while hot, and get various hollow products after cooling and demolding. Blow molding machine is widely used in manufacturing plastic products such as bottles, containers, pipes and toys, and has the advantages of high efficiency, flexibility and energy saving.

[0003] At present, the blanking mechanism and blow molding mechanism of the blow molding machine are important components of the blow molding machine. The raw material is extruded by the blanking mechanism, and then blow molded by the blow molding mechanism to complete the production of plastic products. However, the existing blanking mechanism and blow molding mechanism are usually fixedly installed on the shell of the blow molding machine. During long-term use, the blanking mechanism may deviate in position compared with the blow molding mechanism. Since the blanking mechanism is fixedly installed on the shell of the blow molding machine, it is not convenient to center the blanking mechanism and blow molding mechanism, which seriously affects the working efficiency of the blow molding machine.

[0004] Therefore, a centering positioning mechanism for blow molding machine is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a centering positioning mechanism for blow molding machine.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A centering positioning mechanism for blow molding machine comprises:

[0008] A hydraulic cylinder is installed on the shell of the blow molding machine.

[0009] A telescopic piece is installed at one end of the hydraulic cylinder, a vertical bar is fixed at one end of the telescopic piece, a connecting groove is formed at the top of the vertical bar, and a through hole is formed in the outer wall of the rear end of the vertical bar and connected with the connecting groove.

[0010] A motor is installed on the outer wall of the rear end of the vertical bar, a lead screw is connected through the through hole and extends into the connecting groove through a shaft coupling connected with the output end of the motor.

[0011] The lead screw is rotatably connected with the inner wall of the connecting groove at one end.

[0012] An axle sleeve is installed on the outer wall of the lead screw, an L-shaped bar is fixed on the outer wall of the axle sleeve, and an installation plate is fixed at one end of the L-shaped bar.

[0013] The mounting plate top is provided with a mounting hole;

[0014] The mounting hole is provided with a feeding pipe, and the feeding pipe is internally provided with a hard pipe, and the hard pipe top is provided with a soft pipe;

[0015] The soft pipe is connected with the feeding mechanism of the blow molding machine.

[0016] Preferably, the soft pipe is made of high-temperature resistant material.

[0017] Preferably, the hard pipe outer wall is provided with external threads, the feeding pipe inner wall is provided with internal threads, and the hard pipe is threadedly connected inside the feeding pipe through the external threads matched with the internal threads.

[0018] Preferably, the feeding pipe outer wall is fixedly provided with a limiting ring, and the limiting ring bottom abuts against the mounting plate top.

[0019] The limiting ring outer wall is provided with a clamping groove.

[0020] Preferably, the mounting plate top is fixedly provided with a horizontal strip, the horizontal strip top is provided with a mounting groove, the mounting groove inner bottom is provided with a sliding groove, the sliding groove is provided with a sliding block, the sliding block top is fixedly provided with a connecting block, and the connecting block top is fixedly provided with a clamping strip clamped in the clamping groove.

[0021] Preferably, the mounting groove one side inner wall is fixedly provided with a telescopic rod, and the telescopic rod end away from the mounting groove one side inner wall is fixedly connected with the connecting block.

[0022] The telescopic rod outer wall is provided with a spring.

[0023] One end of the spring is fixedly connected with the mounting groove one side inner wall, and the other end of the spring is fixedly connected with the connecting block.

[0024] Compared with the prior art, the utility model has the advantages that:

[0025] The utility model discloses a blow molding machine feeding pipe horizontal and vertical adjustment device, including mounting plate, feeding pipe, hard pipe and soft pipe, the mounting plate bottom is provided with the feeding pipe, the feeding pipe inside is provided with the hard pipe, and the hard pipe top is provided with the soft pipe.

[0026] The telescopic rod, the spring are driven manually to contract, and the connecting block can drive the clamping strip to move under the cooperation of the sliding groove and the sliding block.

[0027] Since the hard pipe is connected with the inner thread through the outer thread in the inner thread of the blanking pipe, the blanking pipe can be rotated in the reverse direction along the thread connection direction of the outer thread and the inner thread, that is, the blanking pipe and the hard pipe can be disassembled and separated, so that the purpose of disassembling the blanking pipe is achieved, so the utility model is convenient for disassembling and maintaining the blanking pipe, and helps to improve the working efficiency of the blanking pipe. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 It is a schematic diagram of part of the structure of the utility model;

[0030] Figure 3 It is a schematic diagram of the structure of the blanking pipe in the utility model;

[0031] Figure 4 It is a schematic diagram of the structure of the hard pipe and the soft pipe in the utility model;

[0032] Figure 5 It is a schematic diagram of the structure of the telescopic rod and the spring in the utility model.

[0033] In the drawing: 1, blow molding machine shell; 2, hydraulic cylinder; 3, telescopic piece; 4, vertical bar; 5, connecting groove; 6, perforation; 7, motor; 8, screw rod; 9, shaft sleeve; 10, L-shaped bar; 11, mounting plate; 12, mounting hole; 13, blanking pipe; 14, hard pipe; 15, soft pipe; 16, limiting ring; 17, clamping groove; 18, cross bar; 19, mounting groove; 20, sliding groove; 21, sliding block; 22, connecting block; 23, clamping bar; 24, telescopic rod; 25, spring. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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.

[0035] In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the drawings in the specification and the specific embodiments.

[0036] Embodiment 1:

[0037] Please refer to Figure 1The utility model provides a kind of technical scheme: to realize the above-mentioned purpose, the utility model provides the following technical scheme: a centering positioning mechanism for blow molding machine, comprising: the hydraulic cylinder 2 of installation on blow molding machine shell body 1;The one end of hydraulic cylinder 2 is equipped with telescopic piece 3, and the one end of telescopic piece 3 is fixed with vertical bar 4, and vertical bar 4 top is equipped with connecting groove 5, and the rear end outer wall of vertical bar 4 is equipped with the through hole 6 being communicated with connecting groove 5;The rear end outer wall of vertical bar 4 is equipped with motor 7, and the output end of motor 7 is connected with the lead screw 8 passing through through hole 6 and extending to the inside of connecting groove 5 with the cooperation of shaft coupling;The one end of lead screw 8 is rotatably connected with the inner wall of connecting groove 5;Sleeve 9 is installed on the outer wall of lead screw 8, and the outer wall of sleeve 9 is fixed with L-shaped strip 10, and the one end of L-shaped strip 10 is fixed with mounting plate 11;Mounting hole 12 is formed in the top of mounting plate 11;Discharge pipe 13 is arranged in mounting hole 12, and hard pipe 14 is arranged in the inside of discharge pipe 13, and soft pipe 15 is mounted on the top of hard pipe 14;Soft pipe 15 is connected with the discharging mechanism of blow molding machine, and soft pipe 15 is made of high-temperature-resistant material.

[0038] Specifically, the utility model starts hydraulic cylinder 2, and hydraulic cylinder 2 will cooperate telescopic piece 3 to drive discharge pipe 13 to move horizontally, to achieve the purpose of adjusting discharge pipe 13 horizontally, by starting motor 7, motor 7 drives lead screw 8 to work, under the drive of lead screw 8, sleeve 9 will drive discharge pipe 13 to move vertically, to achieve the purpose of adjusting discharge pipe 13 vertically, in summary, compared with the prior art, the utility model can adjust discharge pipe 13 horizontally and vertically, so that discharge pipe 13 (discharging mechanism) is convenient for centering with blow molding mechanism, greatly improves the working efficiency of blow molding machine.

[0039] Example 2:

[0040] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a centering positioning mechanism for blow molding machine, and the outer wall of hard pipe 14 is equipped with external thread, and the inner wall of discharge pipe 13 is equipped with internal thread, and hard pipe 14 is connected in the inside of discharge pipe 13 by the cooperation of external thread and internal thread, and the outer wall of discharge pipe 13 is fixed with limit ring 16, and limit ring 16 bottom is abutted with the top of mounting plate 11;The outer wall of limit ring 16 is equipped with clamping groove 17, and the top of mounting plate 11 is fixed with horizontal bar 18, and the top of horizontal bar 18 is equipped with mounting groove 19, and the inner bottom of mounting groove 19 is equipped with sliding groove 20, and sliding block 21 is installed in sliding groove 20, and the top of sliding block 21 is fixed with connecting block 22, and the top of connecting block 22 is fixed with the clamping strip 23 being clamped in clamping groove 17, and the inner wall of mounting groove 19 one side is fixed with telescopic rod 24, and the end of telescopic rod 24, away from the inner wall of mounting groove 19 one side, is fixed with connecting block 22;The outer wall of telescopic rod 24 is equipped with spring 25;The one end of spring 25 is fixed with the inner wall of mounting groove 19 one side, and the other end of spring 25 is fixed with connecting block 22.

[0041] Specific, manually drive telescopic rod 24, spring 25 contraction movement, at this time the connecting block 22 in the chute 20, slider 21 can drive the card strip 23 under the cooperation of moving, after the card strip 23 from the card slot 17, namely the activity of the blanking pipe 13;

[0042] Since the hard tube 14 is connected in the blanking pipe 13 by the outer thread and the inner thread, the blanking pipe 13 can be rotated in the reverse direction along the thread connection direction of the outer thread and the inner thread, so that the blanking pipe 13 and the hard tube 14 can be disassembled and separated, and the blanking pipe 13 can be disassembled.

[0043] Working principle:

[0044] First, the hydraulic cylinder 2 is started, and the hydraulic cylinder 2 drives the blanking pipe 13 to move horizontally by cooperating with the telescopic part 3, so that the blanking pipe 13 is horizontally adjusted. The motor 7 is started, and the motor 7 drives the lead screw 8 to work. Under the driving of the lead screw 8, the shaft sleeve 9 drives the blanking pipe 13 to move vertically, so that the blanking pipe 13 is vertically adjusted. Compared with the prior art, the blanking pipe 13 can be horizontally and vertically adjusted, so that the blanking pipe 13 (the blanking mechanism) is convenient to center with the blow molding mechanism, and the working efficiency of the blow molding machine is greatly improved.

[0045] Secondly, the telescopic rod 24 and the spring 25 are manually driven to perform contraction movement, and at this time the connecting block 22 can drive the card strip 23 to move under the cooperation of the chute 20 and the slider 21. After the card strip 23 is separated from the card slot 17, the blanking pipe 13 can be moved.

[0046] Since the hard tube 14 is connected in the blanking pipe 13 by the outer thread and the inner thread, the blanking pipe 13 can be rotated in the reverse direction along the thread connection direction of the outer thread and the inner thread, so that the blanking pipe 13 and the hard tube 14 can be disassembled and separated, and the blanking pipe 13 can be disassembled.

[0047] In the description of the utility model, it should be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the protection scope of the utility model.

[0048] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A centering positioning mechanism for a blow molding machine, characterized by, Include: The hydraulic cylinder (2) is installed on the blow molding machine shell (1); The telescopic piece (3) is fixed at one end of the hydraulic cylinder (2), the vertical bar (4) is fixed at one end of the telescopic piece (3), the connecting groove (5) is opened at the top of the vertical bar (4), and the through hole (6) is opened on the outer wall of the rear end of the vertical bar (4) and is communicated with the connecting groove (5); The motor (7) is installed on the outer wall of the rear end of the vertical bar (4), the output end of the motor (7) is connected with the lead screw (8) penetrating through the through hole (6) and extending into the connecting groove (5) through the shaft coupling; One end of the lead screw (8) is rotatably connected with the inner wall of the connecting groove (5); The shaft sleeve (9) is installed on the outer wall of the lead screw (8), the L-shaped bar (10) is fixed on the outer wall of the shaft sleeve (9), and the mounting plate (11) is fixed at one end of the L-shaped bar (10); The mounting hole (12) is opened at the top of the mounting plate (11); The blanking pipe (13) is arranged in the mounting hole (12), the hard pipe (14) is arranged in the blanking pipe (13), the soft pipe (15) is arranged on the top of the hard pipe (14); The soft pipe (15) is connected with the blanking mechanism of the blow molding machine.

2. A centering and positioning mechanism for a blow molding machine according to claim 1, characterized in that The soft pipe (15) is made of high-temperature resistant material.

3. A centering and positioning mechanism for a blow molding machine according to claim 2, characterized in that The outer thread is arranged on the outer wall of the hard pipe (14), the inner thread is arranged on the inner wall of the blanking pipe (13), and the hard pipe (14) is threadedly connected in the blanking pipe (13) through the cooperation of the outer thread and the inner thread.

4. The centering and positioning mechanism for a blow molding machine according to claim 1, wherein The limiting ring (16) is fixed on the outer wall of the blanking pipe (13), and the bottom of the limiting ring (16) abuts against the top of the mounting plate (11); The clamping groove (17) is opened on the outer wall of the limiting ring (16).

5. A centering and positioning mechanism for a blow molding machine according to claim 4, characterized in that The horizontal bar (18) is fixed on the top of the mounting plate (11), the mounting groove (19) is opened at the top of the horizontal bar (18), the sliding groove (20) is opened at the bottom in the mounting groove (19), the sliding block (21) is arranged in the sliding groove (20), the connecting block (22) is fixed on the top of the sliding block (21), and the clamping bar (23) is clamped in the clamping groove (17) and fixed on the top of the connecting block (22).

6. A centering and positioning mechanism for a blow molding machine according to claim 5, characterized in that The telescopic rod (24) is fixed on one side of the inner wall of the mounting groove (19), and one end of the telescopic rod (24) away from the one side of the inner wall of the mounting groove (19) is fixed with the connecting block (22); The spring (25) is arranged on the outer wall of the telescopic rod (24); One end of the spring (25) is fixed with the one side of the inner wall of the mounting groove (19), and the other end of the spring (25) is fixed with the connecting block (22).

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