Lifting driving mechanism of downward blowing type blow molding machine

Abstract

The utility model discloses a lifting driving mechanism of a down-blowing type blow molding machine, which is used for lifting driving of a mounting plate and comprises a lifting adjusting plate, a fixing plate, a lifting adjusting screw rod, a lifting guide column and an adjusting nut, the lifting adjusting plate is arranged above the fixing plate, the mounting plate is arranged above the lifting adjusting plate, and the lifting adjusting screw rod is arranged above the fixing plate. A first receding groove is formed in the middle of the mounting plate, a second receding groove located below the first receding groove is formed in the middle of the lifting adjusting plate, and linear lifting devices located on the left side and the right side of the second receding groove and connected with the mounting plate are vertically arranged on the lifting adjusting plate. The lifting adjusting lead screw is arranged at the bottom of the lifting adjusting plate and penetrates through the fixing plate downwards, and the adjusting nut is arranged on the lifting adjusting lead screw and located above the fixing plate. Through the mode, the lifting driving mechanism of the down-blowing type blow molding machine disclosed by the utility model can be used for driving the lifting of the mounting plate and the blowing mechanism, the lifting stroke is convenient to adjust, and the stability is good.

Description

Technical Field

[0001] The utility model relates to the field of blow molding machines, in particular to a lifting drive mechanism of a bottom-blowing blow molding machine. Background Art

[0002] When the bottom-blowing blow molding machine is blow-molding a plastic barrel, it is necessary to first raise the blowing mechanism so that the blowing rod extends into the mold. After the blank is in place, the blank is expanded and then the mold is closed. After closing the mold, air is blown into the blank to form the plastic barrel.

[0003] For plastic barrels with internal threads, the threaded part of the blowing mechanism needs to be rotated during demoulding, and the blowing mechanism needs to be lowered synchronously at the same time. Therefore, the structure of the lifting drive mechanism is often complex and difficult to adjust, which puts higher requirements on the blowing mechanism and its lifting drive mechanism, and needs to be improved. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a lifting drive mechanism of a bottom-blowing blow molding machine, which drives the blowing mechanism to lift and lower, and improves the lifting stability and adjustment convenience.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a lifting drive mechanism of a bottom-blowing blow molding machine for lifting and lowering the mounting plate, comprising: a lifting adjustment plate, a fixed plate, a lifting adjustment screw, a lifting guide column and an adjusting nut, the lifting adjustment plate is arranged above the fixed plate, the mounting plate is arranged above the lifting adjustment plate, a first avoidance groove is arranged in the middle of the mounting plate, a second avoidance groove is arranged in the middle of the lifting adjustment plate and is located below the first avoidance groove, a third avoidance groove is arranged in the middle of the fixed plate and is located below the second avoidance groove, a linear lifting device is vertically arranged on the lifting adjustment plate and is located on the left and right sides of the second avoidance groove and is connected to the mounting plate, the lifting guide column is arranged at the bottom of the mounting plate and downwardly penetrates the lifting adjustment plate, the lifting adjustment screw is arranged at the bottom of the lifting adjustment plate and downwardly penetrates the fixed plate, the adjusting nut is arranged on the lifting adjustment screw and is located above the fixed plate, a downwardly extending switch bracket is vertically arranged on the edge of the mounting plate, a proximity switch is arranged on the switch bracket, and an induction trigger corresponding to the proximity switch is arranged on the edge of the lifting adjustment plate.

[0006] In a preferred embodiment of the present invention, the linear lifting device adopts a hydraulic cylinder or an electric telescopic rod.

[0007] In a preferred embodiment of the present invention, the lower portion of the linear lifting device is located in the third avoidance groove.

[0008] In a preferred embodiment of the present invention, a first guide sleeve corresponding to the lifting and adjusting screw rod is provided on the fixed plate.

[0009] In a preferred embodiment of the present invention, a second guide sleeve corresponding to the lifting guide column is provided on the lifting adjustment plate.

[0010] In a preferred embodiment of the present invention, the number of the lifting and adjusting screw rods is 4, and they are distributed on the front and rear sides of the second avoidance groove.

[0011] In a preferred embodiment of the present invention, the lifting guide columns are located at the front and rear sides of the linear lifting device.

[0012] In a preferred embodiment of the present invention, a square groove corresponding to the induction triggering member is provided in the edge of the lifting adjustment plate, and the induction triggering member is provided in the square groove. The induction triggering member is a pin or a screw.

[0013] In a preferred embodiment of the present invention, a vertically extending mounting groove is provided on the switch bracket, and the proximity switch is provided on the mounting groove.

[0014] In a preferred embodiment of the present invention, the lifting adjustment plate is a rectangular steel plate.

[0015] The beneficial effects of the present invention are as follows: the present invention points out a lifting drive mechanism for a bottom-blowing blow molding machine, the blowing mechanism can be installed on a mounting plate, the mounting plate and the blowing mechanism are lifted and driven by a linear lifting device, and the first avoidance groove, the second avoidance groove and the third avoidance groove are used to avoid the bottom structure of the blowing mechanism, which is conducive to the installation of a servo motor at the bottom of the blowing mechanism for driving, and the adjusting nut can be used to fine-tune the position height of the lifting adjustment plate to change the lifting stroke of the mounting plate, the adjustment is convenient, the lifting is smooth, and it is conducive to meeting the molding needs of different types of blow molding products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0017] Figure 1 This is a structural diagram of a preferred embodiment of a lifting drive mechanism of a bottom-blowing blow molding machine of the utility model;

[0018] Figure 2 yes Figure 1 Stereoscopic image. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1~Figure 2 , the embodiments of the present utility model include:

[0021] like Figure 1 The lifting drive mechanism of the bottom-blowing blow molding machine shown is used to drive the mounting plate 31 to rise and fall, and includes: a lifting adjustment plate 51, a fixed plate 52, a lifting adjustment screw 57, a lifting guide post 53, and an adjusting nut 56. The lifting adjustment plate 51 is arranged above the fixed plate 52, and the mounting plate 31 is arranged above the lifting adjustment plate 51. The blowing mechanism can be installed on the mounting plate 31 and rise and fall with the mounting plate 31.

[0022] like Figure 2 As shown, a first avoidance groove 39 is provided in the middle of the mounting plate 31, a second avoidance groove 65 is provided in the middle of the lifting adjustment plate 52 below the first avoidance groove 39, and a third avoidance groove 64 is provided in the middle of the fixing plate 52 below the second avoidance groove 65. The bottom structure of the blowing mechanism is avoided by the first avoidance groove 39, the second avoidance groove 65 and the third avoidance groove 64, which is conducive to installing a servo motor at the bottom of the blowing mechanism for rotational drive.

[0023] A linear lifting device 55 is vertically provided on the lifting adjustment plate 51, located on the left and right sides of the second avoidance groove 65 and connected to the mounting plate 31. In this embodiment, the linear lifting device 55 uses a hydraulic cylinder or an electric telescopic rod, which can be driven by a PLC to improve the level of automation. Figure 2 As shown, the lower portion of the linear lifting device 55 is located in the third avoidance groove 64 , which improves space utilization and does not affect the lifting and lowering adjustment of the linear lifting device 55 along with the lifting adjustment plate 51 .

[0024] like Figure 1 As shown, a downward-extending switch bracket 62 is vertically provided on the edge of the mounting plate 31, a proximity switch 63 is provided on the switch bracket 62, a vertically extending mounting groove 61 is provided on the switch bracket 62, and the proximity switch 63 is provided on the mounting groove 61. The proximity switch 63 can be vertically adjusted along the mounting groove 61 and locked by screws, which is easy to operate.

[0025] The edge of the lifting adjustment plate 51 is provided with a sensing trigger 60 corresponding to the proximity switch 63. Specifically, the edge of the lifting adjustment plate 51 is concavely provided with a square groove 58 corresponding to the sensing trigger 60. Figure 2 As shown, the square groove 58 is located on one side of the lifting path of the proximity switch 63. The inductive trigger member 60 is disposed in the square groove 58. In this embodiment, the inductive trigger member 60 is a pin or screw, which is easy to install. During the lifting process of the proximity switch 63, the inductive trigger member 60 can trigger the proximity switch 63. The proximity switch 63 is connected to the PLC to transmit signals, thereby improving the lifting control accuracy of the linear lifting device 55.

[0026] The lifting guide post 53 is set at the bottom of the mounting plate 31 and passes through the lifting adjustment plate 51 downward. In this embodiment, the lifting adjustment plate 51 is provided with a second guide sleeve 54 corresponding to the lifting guide post 53 to guide the lifting of the mounting plate 31. Figure 2 As shown, the lifting guide pillars 53 are located at the front and rear sides of the linear lifting device 55, thereby improving the stability of the mounting plate 31.

[0027] The lifting adjustment screw rod 57 is set at the bottom of the lifting adjustment plate 51 and passes downward through the fixed plate 52. In this embodiment, a first guide sleeve 59 corresponding to the lifting adjustment screw rod 57 is provided on the fixed plate 52. The number of the lifting adjustment screw rods 57 is 4, and they are distributed on the front and rear sides of the second avoidance groove 65. In cooperation with the first guide sleeve 59, the lifting and lowering guidance of the lifting adjustment plate 51 can be performed.

[0028] like Figure 2 As shown, the lifting adjustment plate 51 is a rectangular steel plate, and the lifting adjustment screw rod 57 and the second guide sleeve 54 are distributed on different sides of the lifting adjustment plate 51, thereby improving the utilization rate of the effective area of ​​the lifting adjustment plate 51.

[0029] The adjusting nut 56 is set on the lifting adjustment screw 57 and is located above the fixed plate 52. The position of the adjusting nut 56 on the lifting adjustment screw 57 is adjusted by rotating the adjusting nut 56, and the height of the lifting adjustment plate 51 above the fixed plate 52 is fine-tuned, thereby changing the lifting stroke of the mounting plate 31, which is conducive to meeting the molding needs of different types of blow-molded products.

[0030] In summary, the lifting drive mechanism of a bottom-blowing blow molding machine pointed out in the utility model can perform the lifting and lowering drive of the blowing mechanism, has high stability, good adaptability to the blowing mechanism, is easy to adjust, and can meet the use requirements of the bottom-blowing blow molding machine.

[0031] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A lifting drive mechanism for a bottom-blowing blow molding machine, used for lifting and lowering drive of a mounting plate, characterized in that: include: The lifting and lowering plate is a bottom plate of the lifting and lowering plate, and the lifting and lowering guide plates are connected to the fixing plate. The lifting and lowering guide plates are connected to the fixing plate and ...

2. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The linear lifting device adopts a hydraulic cylinder or an electric telescopic rod.

3. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The lower part of the linear lifting device is located in the third avoidance groove.

4. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The fixing plate is provided with a first guide sleeve corresponding to the lifting and adjusting screw rod.

5. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The lifting adjustment plate is provided with a second guide sleeve corresponding to the lifting guide column.

6. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The number of the lifting adjustment screw rods is 4, and they are distributed on the front and rear sides of the second avoidance groove.

7. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The lifting guide columns are located at the front and rear sides of the linear lifting device.

8. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The edge of the lifting adjustment plate is concavely provided with a square groove corresponding to the induction triggering member, and the induction triggering member is arranged in the square groove. The induction triggering member adopts a pin or a screw.

9. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The switch bracket is provided with a vertically extending mounting groove, and the proximity switch is arranged on the mounting groove.

10. The lifting drive mechanism of the bottom-blowing blow molding machine according to claim 1, characterized in that: The lifting adjustment plate is a rectangular steel plate.

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