Indentation mechanism of bag making machine

Abstract

The indentation mechanism of the bag making machine comprises a bottom plate, a base plate and indentation wheels, the base plate is fixed to the top end of the bottom plate, fixing structures are arranged on the two sides of the top end of the bottom plate, pneumatic push rods are fixed to the two sides of the top end of the bottom plate, and a buffering structure is arranged at the bottom end of a movable frame. And the fixing structure comprises moving grooves, moving blocks, motors, mounting frames, electric telescopic rods, pressing plates and lead screws, the moving grooves are fixed to the two sides of the top end of the bottom plate, the moving blocks are arranged in the moving grooves, and the lead screws are inserted into the moving blocks. The motor drives the lead screw to rotate, the mounting frame drives the pressing plate to move to the position above cloth, the electric telescopic rod pushes the pressing plate to press the cloth on the surface of the base plate, and the position of the cloth is fixed, so that the cloth fixing function of the device is achieved, the position of the cloth is fixed conveniently, and the cloth is prevented from sliding on the surface of the base plate; and the device is accurate in crease position and not easy to bend.

Description

Technical Field

[0001] The utility model relates to the technical field of bag making machines, in particular to an indentation mechanism of a bag making machine. Background Art

[0002] The bag making machine is a machine used to process packaging bags. During the use of the bag making machine, in order to facilitate the folding and shaping of the packaging bags, it is necessary to use the creasing mechanism of the bag making machine to press creases on the surface of the fabric, so that the machine can bend the fabric neatly, which is convenient for the bag making machine to process the fabric;

[0003] China Patent Authorization Announcement No. CN207724937U, Announcement Date August 14, 2018, discloses a creasing mechanism of a bag making machine that can easily adjust the pressure. The creasing mechanism of the bag making machine includes a bottom plate, a pressing wheel, a pressing wheel seat for mounting the pressing wheel, and a driving assembly for driving the pressing wheel seat to move, characterized in that: the pressing wheel is mounted on a pressing wheel frame, one end of the pressing wheel frame is hinged on the pressing wheel seat, and an elastic member is provided between the pressing wheel seat and the pressing wheel frame. According to the creasing mechanism of a bag making machine provided by the utility model, it has the characteristics of simple structure and convenient pressure adjustment;

[0004] The existing technical solution has the following defects: when the device is in use, it is not convenient to fix the cloth. Since the surface of some cloths is smooth, the cloth is easy to slip when the creasing wheel is rolling the cloth, resulting in uneven creases caused by the creasing wheel, which affects the use of the cloth. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a creasing mechanism for a bag making machine to solve the problems raised in the above background technology. (II) Utility Model Content

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a creasing mechanism of a bag making machine, comprising a base plate, a pad and a creasing wheel, the top of the base plate is fixed with a pad, both sides of the top of the base plate are provided with fixed structures, both sides of the top of the base plate are fixed with pneumatic push rods, and an electric slide is installed on the top of the pneumatic push rods, a moving frame is installed on one side of the electric slide, a buffer structure is provided at the bottom end of the moving frame, and a connecting frame is provided at the bottom end of the buffer structure, and a creasing wheel is installed at the bottom end of the connecting frame, the fixed structure comprises a moving groove, a moving block, a motor, a mounting frame, an electric telescopic rod, a pressing plate and a screw, the moving groove is fixed on both sides of the top of the base plate, a moving block is provided inside the moving groove, and a screw is inserted inside the moving block.

[0009] The creasing mechanism of the bag making machine using the present technical solution moves the cloth to the top of the pad so that the fixed structure fixes the position of the cloth, and then starts the pneumatic push rod to drive the creasing wheel to move downward so that the creasing wheel contacts the cloth and squeezes the cloth. At the same time, the electric slide drives the creasing wheel to move left and right to cause creases to appear on the cloth. The pressure of the creasing wheel is buffered by the buffer structure to prevent the creasing wheel from cutting the cloth.

[0010] Preferably, a motor is fixed to one side of the screw rod, a mounting bracket is fixed to the top of the moving block, an electric telescopic rod is installed on the top of the mounting bracket, and a pressing plate is fixed to the bottom of the electric telescopic rod. The motor drives the screw rod to rotate, so that the mounting bracket drives the pressing plate to move above the cloth, and the electric telescopic rod pushes the pressing plate to press the cloth on the surface of the pad, so that the position of the cloth is fixed.

[0011] Preferably, an outer wall of the screw rod is provided with an external thread, and an inner wall of the moving block is provided with an internal thread matching the external thread.

[0012] Preferably, a sliding structure is formed between the moving block and the moving groove, and the pressing plates are symmetrically distributed on the vertical center of the pad.

[0013] Preferably, the buffer structure includes a screw, a nut, a sleeve, a spring and an inner shell, wherein the inner shell is fixed to the top of the connecting frame, and the outer side of the inner shell is sleeved with a sleeve. The spring is used to buffer the pressure transmitted from the moving frame to the connecting frame, and the inner shell slides inside the sleeve to prevent the spring from driving the connecting frame and the indentation wheel to shake.

[0014] Preferably, a spring is sleeved on the outer side of the sleeve shell, a nut is inserted into the inner side of the inner shell, and a screw is sleeved on the top end of the nut.

[0015] Preferably, an outer wall of the screw rod is provided with an external thread, and an inner wall of the nut is provided with an internal thread matching the external thread.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are: the creasing mechanism structure of the bag making machine is reasonable and has the following advantages:

[0018] (1) The motor drives the screw rod to rotate, so that the mounting frame drives the pressing plate to move above the cloth, and the electric telescopic rod pushes the pressing plate to press the cloth on the surface of the pad, so that the position of the cloth is fixed. This realizes the cloth fixing function of the device, which is convenient for fixing the position of the cloth and preventing the cloth from sliding on the surface of the pad, so that the fold position of the device is accurate and not easy to bend;

[0019] (2) The pressure transmitted from the movable frame to the connecting frame is buffered by the spring, and at the same time, the inner shell slides inside the outer shell to prevent the spring from causing the connecting frame and the creasing wheel to shake, thereby realizing the pressure buffering function of the device, facilitating the buffering of the force of the creasing wheel, reducing the pressure transmitted from the movable frame to the creasing wheel, and preventing the creasing wheel from cutting the cloth. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a front view structural schematic diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the front cross-sectional structure of the fixing structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the front cross-sectional structure of the buffer structure of the present utility model.

[0025] Explanation of the reference numerals in the figure: 1. Base plate; 2. Pad; 3. Indentation wheel; 4. Fixed structure; 401. Moving groove; 402. Moving block; 403. Motor; 404. Mounting frame; 405. Electric telescopic rod; 406. Pressing plate; 407. Screw; 5. Pneumatic push rod; 6. Electric slide; 7. Moving frame; 8. Buffer structure; 801. Screw; 802. Nut; 803. Shell; 804. Spring; 805. Inner shell; 9. Connecting frame. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1

[0029] See also Figure 1-4 The utility model provides a creasing mechanism of a bag making machine, comprising a bottom plate 1, a pad 2 and a creasing wheel 3, the top of the bottom plate 1 is fixed with the pad 2, both sides of the top of the bottom plate 1 are provided with a fixed structure 4, both sides of the top of the bottom plate 1 are fixed with a pneumatic push rod 5, and the top of the pneumatic push rod 5 is installed with an electric slide 6, one side of the electric slide 6 is installed with a moving frame 7, the bottom end of the moving frame 7 is provided with a buffer structure 8, and the bottom end of the buffer structure 8 is provided with a connecting frame 9, the bottom end of the connecting frame 9 is provided with a creasing wheel 3, the fixed structure 4 comprises a moving groove 401, a moving block 402, a motor 403, a mounting frame 404, an electric telescopic rod 405, a pressing plate 406 and a screw 407 The movable groove 401 is fixed on both sides of the top of the bottom plate 1, and a movable block 402 is arranged inside the movable groove 401, and a screw rod 407 is inserted inside the movable block 402, and a motor 403 is fixed on one side of the screw rod 407, and a mounting frame 404 is fixed to the top of the movable block 402, and an electric telescopic rod 405 is installed on the top of the mounting frame 404, and a pressing plate 406 is fixed to the bottom end of the electric telescopic rod 405, and an external thread is arranged on the outer wall of the screw rod 407, and an internal thread matching the external thread is arranged inside the movable block 402, and a sliding structure is formed between the movable block 402 and the movable groove 401, and the pressing plate 406 is symmetrically distributed on the vertical center of the pad 2.

[0030] The working principle of the creasing mechanism of the bag making machine based on the first embodiment is as follows: by moving the cloth to the top of the pad 2, the fixed structure 4 fixes the position of the cloth, and then the pneumatic push rod 5 is started to drive the creasing wheel 3 to move downward, so that the creasing wheel 3 contacts the cloth and squeezes the cloth, and at the same time the electric slide 6 drives the creasing wheel 3 to move left and right, so that creases appear on the cloth, and the pressure of the creasing wheel 3 is buffered by the buffer structure 8 to prevent the creasing wheel 3 from cutting the cloth, and by starting the motor 403, the motor 403 drives the screw rod 407 to rotate, and then the moving block 402 moves left and right through the thread on the surface of the screw rod 407, so that the mounting frame 404 drives the pressing plate 406 to move above the cloth, and by starting the electric telescopic rod 405 to extend downward, the electric telescopic rod 405 pushes the pressing plate 406 to press the cloth on the surface of the pad 2, so that the position of the cloth is fixed.

[0031] Embodiment 2

[0032] This embodiment includes: the buffer structure 8 includes a screw 801, a nut 802, a sleeve 803, a spring 804 and an inner shell 805, the inner shell 805 is fixed to the top end of the connecting frame 9, the outer side of the inner shell 805 is sleeved with the sleeve 803, the outer side of the sleeve 803 is sleeved with the spring 804, the inner shell 805 is inserted with a nut 802, and the top end of the nut 802 is sleeved with the screw 801, the outer side wall of the screw 801 is provided with an external thread, and the inside of the nut 802 is provided with an internal thread that cooperates with the external thread.

[0033] In this embodiment, the pressure transmitted from the movable frame 7 to the connecting frame 9 is buffered by the spring 804, so as to limit the pressure on the cloth caused by the creasing wheel 3 and prevent the creasing wheel 3 from exerting too much pressure on the cloth and damaging the cloth. The inner shell 805 slides inside the outer shell 803 to prevent the spring 804 from causing the connecting frame 9 and the creasing wheel 3 to shake. The distance between the connecting frame 9 and the movable frame 7 is shortened by rotating the nut 802, so as to adjust the elastic force of the spring 804.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A creasing mechanism for a bag making machine, comprising a bottom plate (1), a backing plate (2) and a creasing wheel (3), characterized in that: A pad (2) is fixed to the top of the base plate (1), and fixed structures (4) are provided on both sides of the top of the base plate (1). Pneumatic push rods (5) are fixed to both sides of the top of the base plate (1), and an electric slide (6) is installed on the top of the pneumatic push rods (5). A moving frame (7) is installed on one side of the electric slide (6). A buffer structure (8) is provided at the bottom end of the moving frame (7), and a connecting frame (9) is provided at the bottom end of the buffer structure (8). The connecting frame (9 ) is provided with an indentation wheel (3), the fixed structure (4) comprises a movable groove (401), a movable block (402), a motor (403), a mounting frame (404), an electric telescopic rod (405), a pressing plate (406) and a screw rod (407), the movable groove (401) is fixed on both sides of the top of the bottom plate (1), a movable block (402) is provided inside the movable groove (401), and a screw rod (407) is inserted inside the movable block (402).

2. The creasing mechanism of a bag making machine according to claim 1, characterized in that: A motor (403) is fixed to one side of the screw rod (407), a mounting frame (404) is fixed to the top of the moving block (402), an electric telescopic rod (405) is installed at the top of the mounting frame (404), and a pressing plate (406) is fixed to the bottom of the electric telescopic rod (405).

3. The creasing mechanism of a bag making machine according to claim 1, characterized in that: An external thread is provided on the outer wall of the screw rod (407), and an internal thread matching the external thread is provided inside the moving block (402).

4. The creasing mechanism of a bag making machine according to claim 1, characterized in that: A sliding structure is formed between the moving block (402) and the moving groove (401), and the pressing plates (406) are symmetrically distributed on the vertical center of the pad (2).

5. The creasing mechanism of a bag making machine according to claim 1, characterized in that: The buffer structure (8) comprises a screw (801), a nut (802), a sleeve (803), a spring (804) and an inner shell (805); the inner shell (805) is fixed to the top end of the connecting frame (9); and the sleeve (803) is sleeved on the outer side of the inner shell (805).

6. The creasing mechanism of a bag making machine according to claim 5, characterized in that: A spring (804) is sleeved on the outer side of the sleeve shell (803), a nut (802) is inserted into the inner side of the inner shell (805), and a screw rod (801) is sleeved on the top end of the nut (802).

7. The creasing mechanism of a bag making machine according to claim 5, characterized in that: The outer wall of the screw rod (801) is provided with an external thread, and the interior of the nut (802) is provided with an internal thread that cooperates with the external thread.

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