Plastic packaging bag sealing device

Abstract

The utility model discloses a plastic packaging bag sealing device which comprises a sealing machine body, a pressing unit is arranged at the top of the front face of the sealing machine body, a conveying component is arranged at the bottom of the front face of the sealing machine body and comprises a fixing part arranged at the bottom of the sealing machine body, and brackets are symmetrically arranged at the top of the fixing part. A belt conveyor is arranged at the top of the bracket, and a lifting part used for adjusting the height of the belt conveyor is arranged on the side, opposite to the bracket, of the belt conveyor; according to the plastic packaging bag sealing machine, the conveying component used for conveying the plastic packaging bags is arranged on the front face of the sealing machine body, and the lifting part in the conveying component moves the position of the belt conveyor in the vertical direction; according to the design, the belt conveyor can adjust the vertical height difference between the sealing position of the packaging bag and the press-fit unit according to the size of the packaging bag and the thickness of the packaging bag containing materials, and rapid sealing of the packaging bag is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of plastic bag sealing equipment, in particular to a plastic packaging bag sealing device. Background Art

[0002] The plastic bag sealing device is used to seal the packaging bags containing materials. The existing sealing device generally drives a belt conveyor mechanism to assist in conveying the packaging bags during the sealing process, wherein the height of the belt conveyor mechanism is fixed. When the size of the packaging bag and the materials contained in the packaging bag change, the sealing portion of the packaging bag and the pressing unit used for sealing are misaligned in the vertical direction. During the transportation of the packaging bag, the portion to be sealed is easily separated from the pressing unit, affecting the sealing process of the sealing device. In order to solve this problem, a new type of plastic packaging bag sealing device is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a plastic packaging bag sealing device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic packaging bag sealing device, comprising a sealing machine body, a pressing unit is arranged on the top of the front side of the sealing machine body, a conveying component for driving the packaging bag to move is arranged on the bottom of the front side of the sealing machine body, the conveying component comprises a fixing part arranged on the bottom of the sealing machine body, a bracket is symmetrically arranged on the top of the fixing part, a belt conveyor is arranged on the top of the bracket, and a lifting part for adjusting the height of the belt conveyor is arranged on the opposite side of the belt conveyor and the bracket.

[0005] Preferably, the lifting part includes a fixed sleeve symmetrically arranged at the bottom of the belt conveyor, the inner cavity of the fixed sleeve is provided with a worm gear, one side of the fixed sleeve is inserted and connected with a worm for engaging the worm gear, the middle part of the worm gear is inserted and connected with a screw rod, the bottom thread of the screw rod is inserted and connected with an internally threaded sleeve, and the internally threaded sleeve is arranged at the top of the bracket.

[0006] Preferably, one end of the worm gear away from the fixed sleeve is sequentially inserted and connected to the inner side of the bracket and the bottom of the belt conveyor, and one end of the worm gear is located on the front side of the belt conveyor and fixedly connected to a handle.

[0007] Preferably, a bearing is interpenetratingly connected to the other side of the fixed sleeve, and a middle portion of the bearing is interpenetratingly connected to the outer side of the worm.

[0008] Preferably, the fixing portion comprises a support rod symmetrically arranged on the front side of the sealing machine body, a connecting plate is arranged on the side of the support rod, and the top of the connecting plate is fixedly connected to the bottom of the bracket.

[0009] Preferably, a supporting leg is fixedly connected to the bottom of the supporting rod.

[0010] Technical effects and advantages of the utility model:

[0011] The utility model provides a conveying component for conveying plastic packaging bags on the front side of the sealing machine body. The lifting part in the conveying component moves the belt conveyor in the vertical direction. Compared with the fixed vertical position of the belt conveyor, the utility model can make the belt conveyor adjust the vertical height difference between the sealing part of the packaging bag and the pressing unit according to the size of the packaging bag and the thickness of the packaging bag after the material is filled, so as to facilitate the rapid sealing of the packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a side view of the overall structure of the utility model.

[0014] Figure 3 It is a cross-sectional view of the lifting part of the utility model.

[0015] In the figure: 1. sealing machine body; 2. pressing unit; 3. transmission component; 301. belt conveyor; 302. handle; 303. fixed sleeve; 304. internal threaded sleeve; 305. worm; 3051. bearing; 306. worm wheel; 307. screw; 308. bracket; 3081. connecting plate; 309. support rod; 3091. support leg. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] The utility model provides Figure 1-3 A plastic packaging bag sealing device shown includes a sealing machine body 1, and a pressing unit 2 is arranged on the top of the front of the sealing machine body 1;

[0018] It should be noted that the pressing unit 2 is used to press the plastic packaging bag, and the whole body of the sealing machine body 1 and the pressing unit 2 is based on the working principle of the FR-750W fully automatic sealing machine;

[0019] A conveying member 3 for driving the packaging bag to move is provided at the bottom of the front of the sealing machine body 1;

[0020] Specifically, the conveying member 3 includes a fixed portion arranged at the bottom of the sealing machine body 1, a bracket 308 is symmetrically arranged on the top of the fixed portion, and a belt conveyor 301 is arranged on the top of the bracket 308;

[0021] The fixing part includes a support rod 309 symmetrically arranged on the front side of the sealing machine body 1, a connecting plate 3081 is arranged on the side of the support rod 309, the top of the connecting plate 3081 is fixedly connected to the bottom of the bracket 308, and the bottom of the support rod 309 is fixedly connected to a supporting leg 3091;

[0022] It should be noted that the end of the support rod 309 is welded and fixed to the front of the sealing machine body 1, the bracket 308 is welded and fixed to the connecting plate 3081, a straight slot hole is opened on the side of the support rod 309, and a bolt is inserted into the side of the connecting plate 3081. The bolt is inserted into the straight slot hole, and a nut is sleeved on the outside of the bolt, so that it can be pulled in the horizontal direction, which is convenient for the maintenance of the pressing unit 2;

[0023] A lifting part for adjusting the height of the belt conveyor 301 is provided on the opposite side of the bracket 308 ;

[0024] Specifically, the lifting part includes a fixed sleeve 303 symmetrically arranged at the bottom of the belt conveyor 301, a worm wheel 306 is arranged in the inner cavity of the fixed sleeve 303, a worm 305 for meshing with the worm wheel 306 is inserted and connected on one side of the fixed sleeve 303, a screw rod 307 is inserted and connected in the middle of the worm wheel 306, and an internal thread sleeve 304 is inserted and connected at the bottom thread of the screw rod 307, and the internal thread sleeve 304 is arranged on the top of the bracket 308;

[0025] It should be noted that the fixed sleeve 303 is welded to the belt conveyor 301, the connection between the worm 305 and the worm wheel 306 is provided with a thread, and the rest of the parts are smooth surfaces, the outer side of the screw 307 is welded and fixed to the middle of the worm wheel 306, and the top of the inner cavity of the fixed sleeve 303 is provided with a cylindrical groove for the screw 307 to penetrate, so as to limit the position of the worm wheel 306, and the internal threaded sleeve 304 is welded and fixed to the bracket 308;

[0026] Specifically, one end of the worm 305 away from the fixed sleeve 303 is sequentially inserted and connected to the inner side of the bracket 308 and the bottom of the belt conveyor 301, one end of the worm 305 is located on the front of the belt conveyor 301 and is fixedly connected with a handle 302, the top of the bracket 308 is provided with a reserved hole for the movement of the worm 305, the other side of the fixed sleeve 303 is inserted and connected with a bearing 3051, and the middle part of the bearing 3051 is inserted and connected with the outer side of the worm 305;

[0027] It should be noted that a cylindrical hole for the bearing 3051 to pass through is opened on the other side of the fixed sleeve 303, the cylindrical hole is connected to the inner cavity of the fixed sleeve 303, the bearing 3051 is glued and fixed to the inner wall of the cylindrical hole, and the middle part of the bearing 3051 is welded and fixed to the worm 305;

[0028] During actual use, when the size of the packaging bag and the thickness of the packaging bag after filling the material change, the sealing part of the packaging bag and the pressing unit 2 are misaligned in the vertical direction. The user rotates the handle 302 to drive the worm 305 to rotate, thereby driving the worm wheel 306 engaged with the worm 305 to rotate. The rotating worm wheel 306 drives the screw 307 to rotate. The screw 307 moves vertically in the inner cavity of the internal threaded sleeve 304 through the thread. When the sealing part of the packaging bag is in the same vertical position as the pressing unit 2, the sealing operation of the packaging bag is started. Compared with the fixed vertical position setting of the belt conveyor 301, this design allows the belt conveyor 301 to flexibly adjust the vertical height, avoid the vertical height difference between the sealing part of the packaging bag and the pressing unit 2, and facilitate the rapid sealing operation of the packaging bag.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic packaging bag sealing device, comprising a sealing machine body (1), wherein a pressing unit (2) is arranged on the top of the front of the sealing machine body (1), characterized in that: A conveying component (3) for driving the packaging bags to move is arranged at the bottom of the front of the sealing machine body (1), and the conveying component (3) includes a fixing portion arranged at the bottom of the sealing machine body (1), a bracket (308) is symmetrically arranged on the top of the fixing portion, a belt conveyor (301) is arranged on the top of the bracket (308), and a lifting portion for adjusting the height of the belt conveyor (301) is arranged on the opposite side of the belt conveyor (301) and the bracket (308).

2. A plastic packaging bag sealing device according to claim 1, characterized in that: The lifting part comprises a fixed sleeve (303) symmetrically arranged at the bottom of the belt conveyor (301), the inner cavity of the fixed sleeve (303) is provided with a worm gear (306), one side of the fixed sleeve (303) is inserted and connected with a worm (305) for engaging with the worm gear (306), the middle part of the worm gear (306) is inserted and connected with a screw rod (307), the bottom thread of the screw rod (307) is inserted and connected with an internal thread sleeve (304), and the internal thread sleeve (304) is arranged on the top of a bracket (308).

3. A plastic packaging bag sealing device according to claim 2, characterized in that: One end of the worm (305) away from the fixed sleeve (303) is inserted and connected to the inner side of the bracket (308) and the bottom of the belt conveyor (301) in sequence, and one end of the worm (305) is fixedly connected to a handle (302) located on the front side of the belt conveyor (301).

4. A plastic packaging bag sealing device according to claim 3, characterized in that: A bearing (3051) is inserted and connected to the other side of the fixed sleeve (303), and the middle part of the bearing (3051) is inserted and connected to the outer side of the worm (305).

5. A plastic packaging bag sealing device according to claim 1, characterized in that: The fixing part comprises a support rod (309) symmetrically arranged on the front side of the sealing machine body (1), a connecting plate (3081) is arranged on the side of the support rod (309), and the top of the connecting plate (3081) is fixedly connected to the bottom of the bracket (308).

6. A plastic packaging bag sealing device according to claim 5, characterized in that: The bottom of the support rod (309) is fixedly connected to a support leg (3091).

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