Packaging machine

Abstract

The utility model discloses a packaging machine which comprises a U-shaped plate, the inner wall of the U-shaped plate is rotationally connected with two conveying rollers, the two conveying rollers are jointly sleeved with a conveying belt, a packaging sealing bag is placed on the conveying belt, the top of the U-shaped plate is fixedly connected with a U-shaped frame, a first bidirectional lead screw rotationally connected with the U-shaped frame is arranged on the U-shaped frame in a penetrating mode, and a second bidirectional lead screw rotationally connected with the first bidirectional lead screw is arranged on the U-shaped frame. The U-shaped frame is fixedly connected with a first sliding rod, and the outer wall of the first two-way lead screw is sleeved with two first adjusting blocks in threaded connection with the first two-way lead screw. Packaging bags can be conveyed through the conveying belt, the stability of the packaging bags in the conveying process can be guaranteed through the set of limiting plates, bag openings of the packaging bags can be closed through the set of bag opening closing guide plates, sealing is conducted through a follow-up sewing machine, and it is guaranteed that sealing openings are flush, and the attractiveness of the sealing openings is good.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machines, in particular to a packaging machine. Background Art

[0002] Packaging machines are applied in industries such as food, medicine, daily chemicals, and hardware. When packaging, products need to be put into packaging bags and then the bags are sewn.

[0003] When sealing the packaging bag, generally, a worker holds the opening of the packaging bag by hand and puts the bag mouth of the packaging bag on a sewing machine for sewing and packaging. However, during the process of holding the packaging bag by hand, the human hand is prone to shaking, causing the packaging bag to move, resulting in uneven sealing positions and insufficient aesthetic appearance of the sealing effect of the bag mouth of the packaging bag. To solve the above problems, a packaging machine is proposed in this application. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a packaging machine is proposed. It can convey the packaging bag through a conveyor belt, ensure the stability of the packaging bag during the conveying process through a set of limiting plates, and make the bag mouth of the packaging bag close through a set of bag mouth closing guide plates and then be sealed by a subsequent sewing machine, ensuring that the sealing is flush and the aesthetics of the sealing part is good.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A packaging machine includes a U-shaped plate. Two conveying rollers are rotatably connected to the inner wall of the U-shaped plate. A conveyor belt is sleeved on the two conveying rollers together. A packaging seal bag is placed on the conveyor belt. A U-shaped frame is fixedly connected to the top of the U-shaped plate. A first bidirectional screw rod is penetrated through the U-shaped frame and rotatably connected thereto. A first sliding rod is fixedly connected to the U-shaped frame. Two first adjusting blocks are sleeved on the outer wall of the first bidirectional screw rod. The two first adjusting blocks are respectively threadedly connected to the positive thread and the reverse thread of the first bidirectional screw rod. The first sliding rod penetrates through the two first adjusting blocks and is slidably connected thereto. A first connecting rod is fixedly connected to the bottom of each first adjusting block. Two first connecting rods are both fixedly connected with limiting plates. Two bag mouth closing guide plates are arranged on one side of the U-shaped frame. An adjusting mechanism is arranged on the two bag mouth closing guide plates. A fixing rod is fixedly connected to the side wall of the U-shaped frame. A sewing machine is fixedly connected to the end of the fixing rod. Two bottom plates are fixedly connected to the bottom of the U-shaped plate. A support member is penetrated through each bottom plate and threadedly connected thereto.

[0007] Preferably, the adjustment mechanism includes a groove opened on the top of the U-shaped frame, the U-shaped frame is penetrated by a second bidirectional screw rod rotatably connected to the U-shaped frame, the U-shaped frame is fixedly connected to a second sliding rod, the outer wall of the second bidirectional screw rod is sleeved with two second adjustment blocks, the two second adjustment blocks are respectively threadedly connected to the forward screw thread and the reverse screw thread of the second bidirectional screw rod, the second sliding rod penetrates the two second adjustment blocks and is slidably connected to them, the top of each of the second adjustment blocks is fixedly connected to a second connecting rod, and the two second connecting rods are respectively fixedly connected to their corresponding bag closing guide plates.

[0008] Preferably, a motor is fixedly connected to the rear end of the U-shaped plate, an output shaft of the motor passes through the U-shaped plate and is rotationally connected thereto, and the output shaft of the motor is coaxially fixedly connected to the rear end of the conveying roller on the left side.

[0009] Preferably, the first bidirectional screw rod is provided with two sections of external threads with opposite thread directions, the two first adjustment blocks are respectively sleeved on the outer walls of the two sections of external threads, and the front end of the first bidirectional screw rod is fixedly connected with a first handle.

[0010] Preferably, the second bidirectional screw rod is provided with two sections of external threads with opposite thread directions, the two second adjustment blocks are respectively sleeved on the outer walls of the two sections of external threads, and the front end of the second bidirectional screw rod is fixedly connected with a second handle.

[0011] Preferably, the support member comprises a T-shaped screw and a limiting block, the T-shaped screw is fixedly connected to the limiting block, and the T-shaped screw passes through the bottom plate and is threadedly connected thereto.

[0012] Preferably, the bottom of the limiting block is provided with anti-slip grooves.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The conveyor belt and the packaging sealing bag are transported through the output shaft of the motor. The two limit plates can limit the transported packaging sealing bag to ensure the stable centering of the packaging sealing bag during the transportation process. The bag opening closing guide plate can close the bag opening together to facilitate the subsequent bag opening sealing. The bag opening sealing processing is realized by the sewing machine to ensure that the sealing is flush and the sealing is beautiful.

[0015] 2. The staff holds the first handle and rotates it to drive the first bidirectional screw to rotate, so that the first adjustment blocks, the first connecting rod and the limit plates on the front and rear sides move relative to or opposite to each other, so that the two limit plates can be abutted against the side walls of the packaging sealing bag to be centered, ensuring stability during transportation.

[0016] 3. The operator holds the second handle and rotates it to drive the second double - lead screw to rotate, causing the second adjusting blocks, second connecting rods, and bag - mouth closing guide plates on the front and rear sides to move relative to each other until the distance between the two bag - mouth closing guide plates is appropriate, so that the top bag mouths of the conveyed packaging seal bags can be closed together, enabling the subsequent sewing machine to perform the packaging and sealing operation on the closed bag mouths, thus completing the packaging operation of the packaging seal bags.

[0017] In summary, the conveyor belt can be used to convey the packaging bags. By setting a group of limiting plates, the stability of the packaging bags during conveyance can be ensured. By setting a group of bag - mouth closing guide plates, the bag mouths of the packaging bags can be closed and then sealed by the subsequent sewing machine, ensuring that the seal is flush and the aesthetics of the sealed area are good. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic diagram of the first structure of a packaging machine proposed by the present utility model;

[0019] Figure 2 FIG. 2 is a schematic diagram of the second structure of a packaging machine proposed by the present utility model;

[0020] Figure 3 FIG. 3 is a cross - sectional view of a packaging machine proposed by the present utility model;

[0021] Figure 4 FIG. 4 is a schematic diagram of the structure of the limiting plate in a packaging machine proposed by the present utility model.

[0022] In the figures: 1 U - shaped plate, 2 conveying rollers, 3 conveyor belt, 4 packaging seal bag, 5 U - shaped frame, 6 first double - lead screw, 7 first sliding rod, 8 first adjusting block, 9 first connecting rod, 10 limiting plate, 11 second double - lead screw, 12 second sliding rod, 13 second adjusting block, 14 second connecting rod, 15 bag - mouth closing guide plate, 16 sewing machine, 17 fixed rod, 18 bottom plate, 19 support member. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0024] Referring to Figures 1-4 , a packaging machine includes a U - shaped plate 1. Two conveying rollers 2 are rotatably connected to the inner wall of the U - shaped plate 1. A conveyor belt 3 is sleeved on the two conveying rollers 2. A packaging seal bag 4 is placed on the conveyor belt 3. A motor is fixedly connected to the rear end of the U - shaped plate 1. The output shaft of the motor penetrates through the U - shaped plate 1 and is rotatably connected thereto. The output shaft of the motor is coaxially fixedly connected to the rear end of the left - hand conveying roller 2.

[0025] It should be noted that: the conveyor belt 3 can be driven by the motor for conveying, realizing the conveyance of the packaging sealed bag 4, and the top opening of the packaging sealed bag 4 is sealed through subsequent centering and limiting, bag mouth closing and sewing.

[0026] The top of the U-shaped plate 1 is fixedly connected with a U-shaped frame 5. A first bidirectional lead screw 6 is rotatably arranged through the U-shaped frame 5. A first sliding rod 7 is fixedly connected to the U-shaped frame 5. Two first adjusting blocks 8 are sleeved on the outer wall of the first bidirectional lead screw 6. The two first adjusting blocks 8 are respectively threadedly connected with the forward thread and the reverse thread of the first bidirectional lead screw 6. The first bidirectional lead screw 6 is provided with two outer threads with opposite thread directions. The two first adjusting blocks 8 are respectively sleeved on the outer walls of the two outer threads, enabling the two first adjusting blocks 8 on both sides to move relatively or away from each other. The front end of the first bidirectional lead screw 6 is fixedly connected with a first handle. The first sliding rod 7 passes through the two first adjusting blocks 8 and is slidably connected with them. The bottom of each first adjusting block 8 is fixedly connected with a first connecting rod 9, and the two first connecting rods 9 are both fixedly connected with a limiting plate 10.

[0027] It should be noted that: by rotating the first handle, the two limiting plates 10 on both sides can be driven to move relatively, realizing the centering of the conveyed packaging sealed bag 4, and ensuring the stable standing of the conveyed packaging sealed bag 4 during movement, facilitating subsequent sealing.

[0028] Two bag mouth closing guide plates 15 are arranged on one side of the U-shaped frame 5. An adjusting mechanism is arranged on the two bag mouth closing guide plates 15. The adjusting mechanism includes a groove opened at the top of the U-shaped frame 5. A second bidirectional lead screw 11 is rotatably arranged through the U-shaped frame 5. A second sliding rod 12 is fixedly connected to the U-shaped frame 5. Two second adjusting blocks 13 are sleeved on the outer wall of the second bidirectional lead screw 11. The two second adjusting blocks 13 are respectively threadedly connected with the forward thread and the reverse thread of the second bidirectional lead screw 11. The second bidirectional lead screw 11 is provided with two outer threads with opposite thread directions. The two second adjusting blocks 13 are respectively sleeved on the outer walls of the two outer threads. The front end of the second bidirectional lead screw 11 is fixedly connected with a second handle. The second sliding rod 12 passes through the two second adjusting blocks 13 and is slidably connected with them. The top of each second adjusting block 13 is fixedly connected with a second connecting rod 14, and the two second connecting rods 14 are respectively fixedly connected with their corresponding bag mouth closing guide plates 15.

[0029] It should be noted that: by holding the second handle to drive the two bag mouth closing guide plates 15 to move relatively until the distance between the two bag mouth closing guide plates 15 is appropriate, the top bag mouth of the conveyed packaging sealed bag 4 can be closed, facilitating subsequent sealing.

[0030] A fixed rod 17 is fixedly connected to the side wall of the U-shaped frame 5, and a sewing machine 16 is fixedly connected to the end of the fixed rod 17. Two bottom plates 18 are fixedly connected to the bottom of the U-shaped plate 1. A support member 19 is provided through each bottom plate 18 and is threadedly connected thereto. The support member 19 includes a T-shaped screw rod and a limiting block. The T-shaped screw rod is fixedly connected to the limiting block. The T-shaped screw rod penetrates through the bottom plate 18 and is threadedly connected thereto. Anti-slip lines are provided at the bottom of the limiting block.

[0031] It should be noted that: the sewing machine 16 provided can sew and seal the top bag opening of the packaging seal bag 4. The staff holds the support member 19 and rotates it to lift the support member 19 to an appropriate height, which can make the device support stably and smoothly.

[0032] The working principle of the present utility model: Start the motor, drive the left conveying roller 2, the conveyor belt 3, and the right conveying roller 2 to rotate through the output shaft of the motor. The staff places the packaging seal bag 4 on the conveyor belt 3, and the conveyor belt 3 can convey the packaging seal bag 4 through rotation. The two limiting plates 10 provided can limit the conveyed packaging seal bag 4 to ensure the stable and centered conveyance of the packaging seal bag 4 during the conveyance process. The bag mouth closing guide plate 15 provided can close the bag mouths together, facilitating subsequent bag mouth packaging. The sewing machine 16 realizes the packaging and processing of the bag mouth; the staff holds the first handle and rotates it to drive the first bidirectional lead screw 6 to rotate, so that the front and rear first adjusting blocks 8, the first connecting rods 9, and the limiting plates 10 move relatively or away from each other, which can make the two limiting plates 10 abut against the side walls of the packaging seal bag 4 to make it centered, ensuring stability during the conveyance process; the staff holds the second handle and rotates it to drive the second bidirectional lead screw 11 to rotate, so that the front and rear second adjusting blocks 13, the second connecting rods 14, and the bag mouth closing guide plates 15 move relatively until the distance between the two bag mouth closing guide plates 15 is appropriate, which can close the top bag mouths of the conveyed packaging seal bags 4 together, enabling the subsequent sewing machine 16 to perform packaging and sealing operations on the closed bag mouths, and completing the packaging operation of the packaging seal bags 4.

[0033] By setting the cooperation of the conveyor belt, the limiting plates, and the bag mouth closing guide plate, the present utility model solves the problem in the prior art that when manually holding the opening of the packaging bag and putting the bag mouth of the packaging bag onto the sewing machine for sewing and packaging, during the process of manually holding the packaging bag, the human hand is prone to shaking, causing the packaging bag to move, resulting in uneven packaging positions and insufficient aesthetic appearance of the bag mouth packaging effect of the packaging bag.

[0034] The above are only embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A packaging machine, comprising a U-shaped plate (1), characterized in that: The inner wall of the U-shaped plate (1) is rotatably connected to two conveying rollers (2), and the two conveying rollers (2) are jointly sleeved with a conveyor belt (3), and a packaging sealing bag (4) is placed on the conveyor belt (3). The top of the U-shaped plate (1) is fixedly connected to a U-shaped frame (5), and a first bidirectional screw rod (6) rotatably connected to the U-shaped frame (5) is passed through the U-shaped frame (5), and a first sliding rod (7) is fixedly connected to the U-shaped frame (5). The outer wall of the first bidirectional screw rod (6) is sleeved with two first adjustment blocks (8), and the two first adjustment blocks (8) are respectively threadedly connected to the forward screw thread and the reverse screw thread of the first bidirectional screw rod (6), and the first sliding rod (7) passes through the two first adjusting blocks (8). An adjusting block (8) is slidably connected thereto, the bottom of each of the first adjusting blocks (8) is fixedly connected to a first connecting rod (9), and the two first connecting rods (9) are fixedly connected to a limiting plate (10), one side of the U-shaped frame (5) is provided with two bag-mouth closing guide plates (15), and the two bag-mouth closing guide plates (15) are provided with an adjusting mechanism, the side wall of the U-shaped frame (5) is fixedly connected to a fixing rod (17), and the end of the fixing rod (17) is fixedly connected to a sewing machine (16), and the bottom of the U-shaped plate (1) is fixedly connected to two bottom plates (18), and each of the bottom plates (18) is penetrated by a support member (19) threadedly connected thereto.

2. A packaging machine according to claim 1, characterized in that: The adjustment mechanism comprises a groove formed on the top of the U-shaped frame (5); a second bidirectional screw rod (11) rotatably connected to the U-shaped frame (5) is passed through the U-shaped frame (5); a second sliding rod (12) is fixedly connected to the U-shaped frame (5); two second adjustment blocks (13) are sleeved on the outer wall of the second bidirectional screw rod (11); the two second adjustment blocks (13) are respectively threadedly connected to the forward screw thread and the reverse screw thread of the second bidirectional screw rod (11); the second sliding rod (12) passes through the two second adjustment blocks (13) and is slidably connected to the two second adjustment blocks (13); a second connecting rod (14) is fixedly connected to the top of each second adjustment block (13); the two second connecting rods (14) are respectively fixedly connected to the corresponding bag closing guide plates (15).

3. A packaging machine according to claim 1, characterized in that: A motor is fixedly connected to the rear end of the U-shaped plate (1); the output shaft of the motor passes through the U-shaped plate (1) and is rotationally connected thereto; the output shaft of the motor is coaxially fixedly connected to the rear end of the conveying roller (2) on the left side.

4. A packaging machine according to claim 1, characterized in that: The first bidirectional screw rod (6) is provided with two sections of external threads with opposite thread directions, and the two first adjustment blocks (8) are respectively sleeved on the outer walls of the two sections of external threads. The front end of the first bidirectional screw rod (6) is fixedly connected to a first handle.

5. A packaging machine according to claim 2, characterized in that: The second bidirectional screw rod (11) is provided with two sections of external threads with opposite thread directions, and the two second adjustment blocks (13) are respectively sleeved on the outer walls of the two sections of external threads. The front end of the second bidirectional screw rod (11) is fixedly connected to a second handle.

6. A packaging machine according to claim 1, characterized in that: The support member (19) comprises a T-shaped screw and a limit block, wherein the T-shaped screw is fixedly connected to the limit block, and the T-shaped screw passes through the bottom plate (18) and is threadedly connected thereto.

7. A packaging machine according to claim 6, characterized in that: The bottom of the limiting block is provided with anti-slip grooves.

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