CN220263194U - Opening pulling mechanism of polycrystalline silicon packaging bag - Google Patents

Abstract

The utility model discloses a mouth pulling mechanism of a polycrystalline silicon packaging bag, which structurally comprises a frame, a left push rod and a right push rod, wherein a sliding plate capable of sliding up and down is arranged on the frame, a lifting driving piece for driving the sliding plate to move up and down is arranged on the frame, a vertical downward calibration rod is arranged at the center position of the sliding plate, the left push rod and the right push rod are respectively arranged at two sides of the calibration rod in a left-right sliding manner, and a movable driving piece for synchronously driving the left push rod and the right push rod to move reversely is arranged on the sliding plate, so that the calibration rod is always positioned at the center position between the left push rod and the right push rod.

Description

Opening pulling mechanism of polycrystalline silicon packaging bag

Technical Field

The utility model relates to the technical field of packaging bag packaging equipment, in particular to a mouth pulling mechanism of a polycrystalline silicon packaging bag.

Background

Need carry out hem, bleed and seal polycrystalline silicon wrapping bag (PE) on the semi-automatic packing assembly line of a section polycrystalline silicon, wherein, the hem needs to be straightened the wrapping bag mouth earlier to make things convenient for follow-up with the wrapping bag hem, however, at present, the straightening of wrapping bag generally needs the enterprise to manually straighten, not only wastes time and energy, and efficiency is extremely low moreover, has influenced the hem efficiency of wrapping bag.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a pulling mechanism for a polysilicon packaging bag.

In order to achieve the above purpose, the utility model provides a mouth pulling mechanism of a polysilicon packaging bag, which structurally comprises a frame and is characterized in that: the structure of the device also comprises a left push rod and a right push rod, a sliding plate capable of sliding up and down is arranged on the frame, a lifting driving piece for driving the sliding plate to move up and down is arranged on the frame, a vertical downward calibration rod is arranged at the central position of the sliding plate, the left push rod and the right push rod are respectively arranged on two sides of the calibration rod in a left-right sliding mode, and a movable driving piece for synchronously driving the left push rod and the right push rod to move reversely is arranged on the sliding plate, so that the calibration rod is always positioned at the central position between the left push rod and the right push rod.

Further, the lifting driving piece comprises a lifting cylinder and two sliding rails arranged on the frame, two sliding blocks are arranged on the back surface of the sliding plate and are arranged on the sliding rails in a one-to-one sliding mode, the lifting cylinder is fixed at the bottom of the frame, a connecting block is arranged on the back surface of the sliding plate, and the output end of the lifting cylinder is fixedly connected with the connecting block.

Further, soft rubber is coated on the left push rod and the right push rod.

Further, the above-mentioned removal driving piece includes biax motor, forward lead screw nut and reverse lead screw nut, the top of left push rod is equipped with left fixed block, the top of right push rod is equipped with right fixed block, left fixed block, right fixed block is slidable respectively and sets up in the frame, forward lead screw nut rotatable setting is on left fixed block, reverse lead screw nut rotatable setting is on right fixed block, forward lead screw nut and reverse lead screw nut's screw thread are opposite, biax motor's fixing is in the frame, two output of biax motor all are equipped with the connection lead screw, two connection lead screws respectively one-to-one threaded connection are on forward lead screw nut, reverse lead screw nut.

Further, rotatable idler wheels are arranged on the left fixed block and the right fixed block, wheel grooves are formed in the machine frame and perpendicular to the up-and-down moving direction of the sliding plate, and the idler wheels are arranged in the wheel grooves in a rolling mode.

The utility model has the technical effects and advantages that: according to the utility model, the left push rod and the right push rod move in opposite directions, so that the automatic straightening of the bag opening of the packaging bag is realized, the positioning of the positioning position of the bag opening of the packaging bag is preferentially carried out by the calibration rod, the smooth straightening of the bag opening of the packaging bag can be ensured, and the phenomenon that the bag opening of the packaging bag is collapsed out of the outer sides of the left push rod and the right push rod is avoided.

Drawings

Fig. 1 is a front view of the present utility model.

FIG. 2 is a side view of the connection of the slide and frame of the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 to 2 show a specific embodiment of the present utility model, the structure of which includes a frame 1, a left push rod 2 and a right push rod 3, a slide plate 11 capable of sliding up and down is provided on the frame 1, a lifting driving member 4 for driving the slide plate 11 to move up and down is provided on the frame 1, a vertical downward calibration rod 13 is provided at the center position of the slide plate 11, the left push rod 2 and the right push rod 3 are respectively provided on two sides of the calibration rod 13 in a sliding manner, and a moving driving member 5 for synchronously driving the left push rod 2 and the right push rod 3 to move reversely is provided on the slide plate 11, so that the calibration rod 13 is always located at the center position between the left push rod 2 and the right push rod 3.

In the utility model, the principle of the opening of the polysilicon packaging bag is as follows: firstly, a packaging bag is placed under a left push rod 2 and a right push rod 3 in a free opening state, when the packaging bag is placed, a calibration rod 13 is aligned to the center position of the opening of the packaging bag, then a lifting driving piece 4 is opened, the calibration rod 13, the left push rod 2 and the right push rod 3 move downwards and enter the inside of the opening of the packaging bag, after the calibration rod 13, the left push rod 2 and the right push rod 3 enter the inside of the packaging bag, the lifting driving piece 4 is opened, a moving driving piece 5 is opened, the left push rod 2 and the right push rod 3 synchronously do reverse movement and respectively move towards the end part of the opening of the packaging bag, and as the left push rod 2 and the right push rod 3 move, the opening of the packaging bag is pulled up in the left direction and the right direction respectively until the opening of the packaging bag is stretched and pulled straight by the left push rod 2 and the right push rod 3, and the moving driving piece 5 is closed, and the packaging bag after the stretching is stretched is a foundation for subsequent packaging.

In the present utility model, as a preferred scheme, the lifting driving member 4 includes a lifting cylinder 41 and two sliding rails 42 disposed on the frame 1, two sliding blocks 6 are disposed on the back of the sliding plate 11, the sliding blocks 6 are disposed on the sliding rails 42 in a one-to-one sliding manner, the lifting cylinder 41 is fixed at the bottom of the frame 1, a connecting block 61 is disposed on the back of the sliding plate 11, and an output end of the lifting cylinder 41 is fixedly connected with the connecting block 61.

In the present utility model, the operating principle of the elevation driving member 4 is as follows: the up-and-down movement of the slide plate 11 uses the lifting cylinder 41 as power, the slide plate 11 is driven to move up and down by the connecting block 61, and the slide block 6 slides on the slide rail 42 synchronously, so that the mountain down movement of the slide plate 11 is kept stable.

In the present utility model, soft rubber is preferably coated on each of the left push rod 2 and the right push rod 3.

In the utility model, the impact force of the left push rod 2 and the right push rod 3 on the packaging bag can be reduced by setting the soft rubber, so that the purpose of protecting the packaging bag is achieved.

In the present utility model, as a preferred solution, the above-mentioned moving driving member 5 includes a dual-shaft motor 51, a forward screw nut 52 and a reverse screw nut 53, the top of the left push rod 2 is provided with a left fixing block 21, the top of the right push rod 3 is provided with a right fixing block 31, the left fixing block 21 and the right fixing block 31 are respectively slidably disposed on the frame 1, the forward screw nut 52 is rotatably disposed on the left fixing block 21, the reverse screw nut 53 is rotatably disposed on the right fixing block 31, the threads of the forward screw nut 52 and the reverse screw nut 53 are opposite, the dual-shaft motor 51 is fixed on the frame 1, two output ends of the dual-shaft motor 51 are respectively provided with a connecting screw 62, and the two connecting screw 62 are respectively connected on the forward screw nut 52 and the reverse screw nut 53 in a one-to-one threaded manner.

In the present utility model, the operation principle of the moving driver 5 is as follows: the left and right fixed blocks 21 and 31 are driven by the double-shaft motor 51 to rotate by driving the connecting screw rod 62, and the reverse screw rod nuts 53 and 52 are reversely threaded, so that the left and right fixed blocks 21 and 31 are driven to move in the reverse direction.

In the present utility model, as a preferable embodiment, the left and right fixing blocks 21 and 31 are provided with rotatable rollers 63, the frame 1 is provided with a wheel groove 64, the wheel groove 64 is perpendicular to the up-and-down moving direction of the slide plate 11, and the rollers 63 are disposed in the wheel groove 64 in a rolling manner.

In the utility model, the roller 63 synchronously rotates in the wheel groove 64 during the movement of the left and right fixed blocks 21 and 31, thereby ensuring that the movement of the left and right fixed blocks 21 and 31 is kept stable.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. The utility model provides a mechanism of opening that draws of polycrystalline silicon wrapping bag, its structure includes frame (1), its characterized in that: the structure of the device is characterized by further comprising a left push rod (2) and a right push rod (3), wherein a slide plate (11) capable of sliding up and down is arranged on the frame (1), a lifting driving piece (4) for driving the slide plate (11) to move up and down is arranged on the frame (1), a vertical downward calibration rod (13) is arranged at the central position of the slide plate (11), the left push rod (2) and the right push rod (3) are respectively arranged on two sides of the calibration rod (13) in a left-right sliding manner, and a synchronous driving device is arranged on the slide plate (11) for driving the left push rod (2) and the right push rod (3) to move reversely, so that the calibration rod (13) is always positioned at the central position between the left push rod (2) and the right push rod (3).

2. The opening pulling mechanism of a polysilicon packaging bag according to claim 1, wherein: the lifting driving piece (4) comprises a lifting cylinder (41) and two sliding rails (42) arranged on the frame (1), two sliding blocks (6) are arranged on the back of the sliding plate (11), the sliding blocks (6) are arranged on the sliding rails (42) in a one-to-one sliding mode, the lifting cylinder (41) is fixed at the bottom of the frame (1), a connecting block (61) is arranged on the back of the sliding plate (11), and the output end of the lifting cylinder (41) is fixedly connected with the connecting block (61).

3. The opening pulling mechanism of a polysilicon packaging bag according to claim 1, wherein: soft rubber is coated on the left push rod (2) and the right push rod (3).

4. The opening pulling mechanism of a polysilicon packaging bag according to claim 1, wherein: the movable driving piece (5) comprises a double-shaft motor (51), a forward screw nut (52) and a reverse screw nut (53), wherein a left fixed block (21) is arranged at the top of the left push rod (2), a right fixed block (31) is arranged at the top of the right push rod (3), the left fixed block (21) and the right fixed block (31) are respectively and slidably arranged on the frame (1), the forward screw nut (52) is rotatably arranged on the left fixed block (21), the reverse screw nut (53) is rotatably arranged on the right fixed block (31), the forward screw nut (52) is opposite to the threads of the reverse screw nut (53), the double-shaft motor (51) is fixed on the frame (1), and two output ends of the double-shaft motor (51) are respectively provided with a connecting screw (62), and the two connecting screw rods (62) are respectively and one-to-one in threaded connection with the forward screw nut (52) and the reverse screw nut (53).

5. The opening pulling mechanism of claim 4, wherein: the left fixed block (21) and the right fixed block (31) are respectively provided with a rotatable roller (63), the frame (1) is provided with a wheel groove (64), the wheel groove (64) is perpendicular to the up-and-down moving direction of the sliding plate (11), and the rollers (63) are respectively arranged in the wheel groove (64) in a rolling mode.