Woven bag sealing device

Abstract

The utility model belongs to the technical field of woven bag production, and provides a woven bag sealing device which comprises a machine table, a sealing mechanism and a traction mechanism are arranged at the front position and the rear position of the machine table, the sealing mechanism comprises a sealing table, a pressing plate is arranged on the sealing table, a lifting table is arranged on the sealing table, and the lifting table is connected with the machine table. A long groove is formed in the position, right opposite to the pressing plate, of the lifting table, a carrier plate is arranged on the top face of the lifting table through a plurality of screws, a buffer spring is arranged on each screw and located above the carrier plate, an electric heating sealing plate is arranged at the bottom of the carrier plate and located in the long groove, and a driving mechanism used for driving the lifting table to ascend and descend is further arranged in the machine table. The utility model aims at providing a woven bag sealing device and aims at solving the problem that when an existing woven bag sealing device is used for sealing a woven bag, the sealing quality is poor.

Description

Technical Field

[0001] The utility model belongs to the technical field of woven bag production, and in particular relates to a woven bag sealing device. Background Art

[0002] Woven bags, also known as snakeskin bags, are a type of plastic bag. Woven bags are made of polypropylene as the main raw material, which is extruded and stretched into flat yarns, and then woven, knitted and made into bags. They are mainly used to package goods, and their function is to facilitate the transportation and storage of goods.

[0003] In the process of transmitting the existing woven bags to the sealing mechanism, the sealing position of the woven bags may be tilted and offset when the woven bags are sealed, and normal heat sealing cannot be performed. These problems seriously affect the sealing effect and aesthetics of the woven bags. Utility Model Content

[0004] In view of the above problems, the purpose of the present invention is to provide a woven bag sealing device, aiming to solve the problem of poor sealing quality when the existing woven bag sealing device seals the woven bag.

[0005] The utility model adopts the following technical scheme: the sealing device comprises a machine platform, a sealing mechanism and a traction mechanism are arranged at the front and rear positions of the machine platform, the sealing mechanism comprises a sealing platform, a pressing plate is arranged on the sealing platform, a lifting platform is arranged on the sealing platform, a long groove is opened on the lifting platform directly opposite to the pressing plate, a carrier plate is arranged on the top surface of the lifting platform through a plurality of screws, a buffer spring is arranged on each screw and the buffer spring is located above the carrier plate, an electric heating sealing plate is arranged at the bottom of the carrier plate and the electric heating sealing plate is located in the long groove, and a driving mechanism for driving the lifting platform to rise and fall is also arranged in the machine platform.

[0006] Furthermore, sliding sleeves are provided on both sides of the sealing table, a sliding rod is inserted into the sliding sleeve, a lifting platform is provided on the sliding rod, the driving mechanism includes a rotating shaft rotatably installed in the machine, eccentric wheels are provided at both ends of the rotating shaft, a connecting rod is rotatably provided on the eccentric wheel, the top end of the connecting rod is connected to the sliding rod through a short rod, and a driving motor is also provided in the machine, and pulleys are provided on the driving shaft and the rotating shaft of the driving motor, and a matching belt is sleeved between the two pulleys.

[0007] Furthermore, the traction mechanism includes a pair of traction plates installed on the machine platform, a rotatable traction wheel is provided between the two traction plates, a slot is opened on the traction plate, a slider is slidably provided in the slot, a pressure wheel is rotatably provided between the two sliders and the pressure wheel is located above the traction wheel, studs are inserted into the tops of the two traction plates, the bottoms of the studs are screwed into the slider, a pre-stress spring is provided on the stud and the pre-stress spring is located in the slot.

[0008] Furthermore, a lifting handle is provided on the outer side of the slider.

[0009] The beneficial effect of the utility model is that when the electric heating sealing plate is sealing the semi-finished plastic woven bag, when the electric heating sealing plate just contacts the semi-finished plastic woven bag, the electric heating sealing plate will move along the height direction of the screw rod, and the buffer spring will be gradually compressed during the movement until the buffer spring is completely compressed. At this time, the semi-finished plastic woven bag is completely clamped by the pressing plate and the electric heating sealing plate and performs a sealing action under the action of the electric heating sealing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model provides an overall diagram of a woven bag sealing device.

[0011] Figure 2 The utility model provides a structural schematic diagram of a sealing mechanism.

[0012] Figure 3 for Figure 2 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0014] In order to illustrate the technical solution of the present invention, specific embodiments are provided below for illustration.

[0015] For the convenience of explanation, only the parts related to the embodiment of the present utility model are shown.

[0016] Combination Figure 1-3 As shown, the sealing device includes a machine 1, and a sealing mechanism and a traction mechanism are arranged at the front and rear positions of the machine 1. The sealing mechanism includes a sealing platform 2, and a pressing plate 3 is arranged on the sealing platform 2. A lifting platform 4 is arranged on the sealing platform 2, and a long groove 5 is opened on the lifting platform 4 opposite to the pressing plate 3. A carrier plate 7 is arranged on the top surface of the lifting platform through a plurality of screws 6, and a buffer spring 8 is arranged on each screw 6 and the buffer spring 8 is located above the carrier plate 7, and an electric heating sealing plate 9 is arranged at the bottom of the carrier plate 7 and the electric heating sealing plate 9 is located in the long groove 5. A driving mechanism for driving the lifting platform to rise and fall is also arranged in the machine 1.

[0017] When sealing the plastic woven bag, the general process is to seal the semi-finished woven fabric at a fixed length, and then cut it at the corresponding position. In this way, a plastic woven bag with an opening is produced.

[0018] In an embodiment, the semi-finished woven fabric has a double-layer structure. When the semi-finished woven fabric needs to be sealed, the semi-finished woven fabric is first passed through a sealing mechanism and a traction mechanism in sequence. Under the traction of the traction mechanism, the semi-finished woven fabric is pulled toward the sealing mechanism. During the traction process, the sealing mechanism seals the semi-finished woven fabric. After the sealing is completed, the alternate sealing positions are cut, thereby producing a plastic woven bag with an opening.

[0019] When sealing the semi-finished woven fabric, the electric heating sealing plate is located above the semi-finished plastic woven bag. First, the driving mechanism drives the electric heating sealing plate to move downward toward the semi-finished plastic woven bag until the electric heating sealing plate contacts and presses the plastic woven bag, and the semi-finished plastic woven bag is heat-sealed. After the heat sealing is completed, the driving mechanism drives the lifting platform to rise, and the traction mechanism continues to pull the semi-finished plastic woven bag.

[0020] When the electric heat sealing plate is sealing the semi-finished plastic woven bag, when the electric heat sealing plate just contacts the semi-finished plastic woven bag, the electric heat sealing plate will move along the height direction of the screw. During the movement, the buffer spring is gradually compressed until the buffer spring is completely compressed. At this time, the semi-finished plastic woven bag is completely clamped by the pressing plate and the electric heat sealing plate and sealed under the action of the electric heat sealing plate. The plastic woven bag is clamped under the action of the buffer spring to prevent the plastic woven bag from tilting and deviating during the sealing process, which affects the sealing effect.

[0021] As a preferred structure, sliding sleeves 12 are provided on both sides of the sealing table 2, a sliding rod 13 is inserted into the sliding sleeve 12, a lifting platform 4 is provided on the sliding rod 13, the driving mechanism includes a rotating shaft 15 rotatably installed in the machine 1, eccentric wheels 16 are provided at both ends of the rotating shaft 15, a connecting rod 17 is rotatably provided on the eccentric wheel 16, the top end of the connecting rod 17 is connected to the sliding rod 13 through a short rod 18, and a driving motor 19 is also provided in the machine 1, and pulleys 20 are provided on the driving shaft of the driving motor 19 and the rotating shaft 15, and a matching belt (not shown in the figure) is sleeved between the two pulleys.

[0022] In this structure, when the lifting platform needs to be raised or lowered, the driving motor is driven at this time, and the shaft rotates under the transmission of the belt, and then the eccentric wheels at both ends of the shaft rotate. When the two eccentric wheels rotate synchronously, the connecting rod on the same side can move up and down, thereby driving the sliding rod to be raised and lowered in the sliding sleeve to achieve the purpose of lifting the lifting platform up and down.

[0023] Further as a preferred structure, the traction mechanism includes a pair of traction plates 21 installed on the machine 1, a rotatable traction wheel 22 is provided between the two traction plates 21, a slot is opened on the traction plate 22, a slider 23 is slidably provided in the slot, a pressure wheel 14 is rotatably provided between the two sliders and the pressure wheel is located above the traction wheel 22, studs 24 are penetrated from the top of the two traction plates 21, the bottom of the studs are screwed into the slider, a pre-stress spring 25 is provided on the stud 24 and the pre-stress spring is located in the slot, and a lifting handle 26 is provided on the outer side of the slider 23.

[0024] In the embodiment, a traction motor 27 is further provided in the machine, and a driving shaft of the traction motor 27 is provided with a driving wheel 28, and one end of the traction wheel 22 passes through the traction plate 21 on the same side and is provided with a driven wheel 29, and a matching driving belt is sleeved between the driving wheel and the driven wheel. When the semi-finished plastic woven bag passes through the gap between the traction wheel and the pressure wheel and is pressed down by the pressure wheel, the traction motor is driven, the driving wheel rotates, and the semi-finished plastic woven bag is pulled under the transmission of the driving belt.

[0025] When the semi-finished plastic woven bag needs to be put into the traction mechanism, the two lifting handles are lifted upwards, the preload spring is compressed, and the pressing wheel is lifted a short distance, so that the semi-finished plastic woven bag can be inserted into the gap between the traction wheel and the pressing wheel. Finally, the lifting handle is released, and the pressing wheel falls onto the semi-finished plastic woven bag. Under the action of the preload spring, the pressing wheel can always press down the semi-finished plastic woven bag, so that the semi-finished plastic woven bag can be stably pulled. At the same time, the height of the pressing wheel is increased by lifting the lifting handle, and the whole process is relatively simple and convenient.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the present utility model.

Claims

1. A woven bag sealing device, characterized in that: The sealing device includes a machine platform, a sealing mechanism and a traction mechanism are arranged at the front and rear positions of the machine platform, the sealing mechanism includes a sealing platform, a pressure plate is arranged on the sealing platform, a lifting platform is arranged on the sealing platform, a long groove is opened on the lifting platform directly opposite to the pressure plate, a carrier plate is arranged on the top surface of the lifting platform through a plurality of screws, a buffer spring is arranged on each screw and the buffer spring is located above the carrier plate, an electric heating sealing plate is arranged at the bottom of the carrier plate and the electric heating sealing plate is located in the long groove, and a driving mechanism for driving the lifting platform to rise and fall is also arranged in the machine platform.

2. A woven bag sealing device as claimed in claim 1, characterized in that: Sliding sleeves are provided on both sides of the sealing table, a sliding rod is inserted into the sliding sleeve, a lifting platform is provided on the sliding rod, the driving mechanism includes a rotating shaft rotatably installed in the machine, eccentric wheels are provided at both ends of the rotating shaft, a connecting rod is rotatably provided on the eccentric wheel, the top end of the connecting rod is connected to the sliding rod through a short rod, a driving motor is also provided in the machine, and pulleys are provided on the driving shaft and the rotating shaft of the driving motor, and a matching belt is sleeved between the two pulleys.

3. A woven bag sealing device as claimed in claim 2, characterized in that: The traction mechanism includes a pair of traction plates installed on the machine platform, a rotatable traction wheel is arranged between the two traction plates, a slot is opened on the traction plate, a slider is slidably arranged in the slot, a pressure wheel is rotatably arranged between the two sliders and the pressure wheel is located above the traction wheel, studs are inserted into the tops of the two traction plates, the bottoms of the studs are screwed into the slider, a pre-compression spring is arranged on the stud and the pre-compression spring is located in the slot.

4. A woven bag sealing device as claimed in claim 3, characterized in that: A lifting handle is provided on the outer side of the sliding block.

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