Driving assembly of material folding device of bag opening machine

Abstract

The utility model discloses a driving assembly of a material folding device of a pocket opening machine, and belongs to the field of garment processing equipment. A driving assembly of a material folding device of a bag opening machine comprises the material folding device, and the output end of the driving assembly is connected with the input end of the material folding device so as to drive the material folding device to operate. The driving assembly comprises a power device, a plurality of screw rods and a plurality of linkage seats; the output end of the power device is indirectly or directly connected with the corresponding screw rod; the periphery of the lead screw is rotationally sleeved with a corresponding linkage base. The material folding device comprises a plurality of material pressing plates; the bottom of the linkage seat is indirectly or directly connected with the corresponding pressure plate; by means of the arrangement, when the lead screws rotate and operate, the linkage base drives the material pressing plate to transversely move in the axial direction or the radial direction on the horizontal plane so as to conduct material folding operation on cloth.

Description

Technical Field

[0001] The utility model belongs to the field of clothing processing equipment, and more specifically relates to a driving component of a material folding device of a bag opening machine. Background Art

[0002] The pocket opening machine for clothing is a device used to automatically open, unseal or cut the pockets of clothing. This equipment is widely used in clothing production lines to improve production efficiency and reduce manual operations.

[0003] In the prior art, a Chinese utility model patent with application number "CN202220586041.3" and publication date of 2022-07-05 discloses an external pressure frame folding device for an automatic laser bag opening machine, the device comprising a first drive structure and a second drive structure; the first drive structure comprises a first folding cylinder fixedly connected to the upper surface of the external pressure frame on the rear side, the output end of the first folding cylinder is fixedly connected to a first L-shaped rod, and the lower surface of the first L-shaped rod is fixedly connected to a first connecting rod; the second drive structure comprises a second folding cylinder fixedly connected to the upper surface of the external pressure frame on the rear side, the output end of the second folding cylinder is fixedly connected to a second L-shaped rod, and the lower surface of the second L-shaped rod is fixedly connected to the upper surface of the second connecting rod on the rear side.

[0004] In this solution, the L-shaped rod and the connecting rod are driven by a cylinder. Due to the characteristics of the cylinder itself, the cylinder cannot fine-tune the spacing or position of each component, which increases the complexity of the production process and reduces production efficiency; and when the air pressure is unstable, the operation of the cylinder will also deviate. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a driving assembly of a material folding device of a bag opening machine, which can realize fine adjustment of various components of the material folding device.

[0006] The utility model discloses a driving component of a material folding device of a bag opening machine, comprising a material folding device, wherein the output end of the driving component is installed and connected with the input end of the material folding device to drive the material folding device to operate; the driving component comprises a power device, a plurality of screw rods and a plurality of linkage seats; the output end of the power device is respectively installed and connected with the corresponding screw rods indirectly or directly; the outer peripheral rotating sleeve of the screw rod is provided with a corresponding linkage seat; the material folding device comprises a plurality of material pressing plates; the bottom of the linkage seat is installed and connected with the corresponding material pressing plates indirectly or directly.

[0007] As a further improvement of the utility model, two linkage seats are rotatably sleeved on each screw rod; the linkage seats are arranged on the screw rod at intervals, the linkage seats are connected to the screw rod in a spiral transmission, and the two linkage seats on the same screw rod are arranged in opposite directions relative to the movement direction of the screw rod.

[0008] As a further improvement of the utility model, the material folding device also includes a plurality of linkage rods; the bottom of the linkage seat is installed and connected to one end of the corresponding linkage rod, and the end of the linkage rod away from the linkage rod is installed and connected to the corresponding material pressing plate.

[0009] As a further improvement of the utility model, the screw rod includes a first screw rod, a second screw rod, a third screw rod and a fourth screw rod; the power device includes a first motor, a second motor, a third motor and a fourth motor; the output end of the first motor is indirectly or directly connected to the first screw rod to drive the first screw rod to rotate back and forth; the output end of the second motor is indirectly or directly connected to the second screw rod to drive the second screw rod to rotate back and forth; the output end of the third motor is indirectly or directly connected to the third screw rod to drive the third screw rod to rotate back and forth; the output end of the fourth motor is indirectly or directly connected to the fourth screw rod to drive the fourth screw rod to rotate back and forth.

[0010] As a further improvement of the utility model, the output end fixing sleeve of the first motor is provided with a first fixing sleeve; the first fixing sleeve is fixedly embedded with a first transmission rod at one end away from the first motor; the first transmission rod is fixedly embedded with a first driving wheel at one end away from the first fixing sleeve; the outer peripheral fixing sleeve of the first screw rod is provided with a first driven wheel; the first driving wheel and the first driven wheel are meshingly connected; the first motor drives the first screw rod to reciprocate through the first transmission rod; the output end fixing sleeve of the second motor is provided with a second fixing sleeve; one end of the second screw rod is embedded in one end of the second fixing sleeve away from the second motor; the second motor drives the second screw rod to reciprocate The third motor is provided with a third fixed sleeve on the output end of the fixed sleeve; one end of the third screw rod is embedded in the end of the second fixed sleeve away from the third motor; the third motor drives the third screw rod to reciprocate and rotate; the fourth motor is provided with a fourth fixed sleeve on the output end of the fixed sleeve; the second transmission rod is fixedly embedded in the end of the fourth fixed sleeve away from the fourth motor; the second driving wheel is provided on the fixed sleeve at the end of the second transmission rod away from the fourth fixed sleeve; the fourth screw rod is provided with a second driven wheel on the outer periphery of the fixed sleeve; the second driving wheel and the second driven wheel are meshed and connected; the fourth motor drives the fourth screw rod to reciprocate and rotate through the second transmission rod.

[0011] As a further improvement of the utility model, two first linkage seats are sleeved on the outer periphery of the first screw rod; the first linkage seat is arranged on both sides of the first driven wheel; the first linkage seat and the first screw rod are threadedly connected; a first linkage piece is fixedly arranged on the bottom of the first linkage seat; the end of the first linkage piece away from the first linkage seat is rotatably connected to the first linkage rod; the end of the first linkage rod away from the first linkage piece is slidably connected to the first side pressure plate; the two first side pressure plates are arranged opposite to each other; the first screw rod rotates to drive the first linkage seats on both sides to run towards or inversely, thereby driving the two first side pressure plates to run towards or inversely synchronously;

[0012] Two fourth linkage seats are provided on the outer periphery of the fourth screw; the fourth linkage seat is arranged on both sides of the second driven wheel; the fourth linkage seat and the fourth screw are threadedly connected; a second linkage piece is fixedly provided on the bottom of the fourth linkage seat; the end of the second linkage piece away from the fourth linkage seat is rotatably connected to the second linkage rod; the end of the second linkage rod away from the second linkage piece is slidably connected to the second side pressure plate; the two second side pressure plates are arranged opposite to each other; the rotation of the fourth screw drives the fourth linkage seats on both sides to run towards or in reverse, thereby driving the two second side pressure plates to run towards or in reverse synchronously.

[0013] As a further improvement of the utility model, the outer periphery of the second screw rod is sleeved with two second linkage seats; the two second linkage seats are arranged on the outer periphery of the second screw rod with a front and a rear interval; the bottom of one of the second linkage seats is fixedly connected to the first front pressing plate; the bottom of the other second linkage seat is fixedly connected to the first rear pressing plate; the first front pressing plate and the first rear pressing plate are arranged with a front and a rear interval; the second screw rod rotates and drives the two second linkage seats to move in opposite directions or reverse directions, thereby driving the first front pressing plate and the first rear pressing plate to synchronously move in opposite directions or reverse directions;

[0014] Two third linkage seats are provided on the outer periphery of the third screw rod; the two third linkage seats are arranged on the outer periphery of the third screw rod with a spacing of one in front and one in back; the bottom of one of the third linkage seats is fixedly connected to the second front pressure plate; the bottom of the other second linkage seat is fixedly connected to the second rear pressure plate; the second front pressure plate and the second rear pressure plate are arranged with a spacing of one in front and one in back; the rotation of the third screw rod drives the two third linkage seats to move towards or in reverse, thereby driving the second front pressure plate and the second rear pressure plate to move towards or in reverse synchronously.

[0015] As a further improvement of the utility model, the first screw rod and the fourth screw rod are spaced side by side and arranged in parallel; the folding device includes an upper cover plate; the first screw rod seats are fixedly arranged on both sides of the top of the upper cover plate; the two ends of the first screw rod respectively pass through the corresponding first screw rod seats for rotational connection; the two ends of the fourth screw rod respectively pass through the corresponding first screw rod seats for rotational connection.

[0016] As a further improvement of the utility model, the first screw rod and the fourth screw rod are both arranged parallel to the upper cover plate;

[0017] The height of the first screw rod from the upper cover plate is less than the height of the fourth screw rod from the upper cover plate; the second transmission rod is suspended above the first screw rod;

[0018] Alternatively, the height of the first screw rod from the upper cover plate is greater than the height of the fourth screw rod from the upper cover plate; and the second transmission rod is suspended below the first screw rod.

[0019] As a further improvement of the utility model, the outer peripheral cover of the first driving wheel and the first driven wheel is provided with a first sheath; the bottom of the first sheath is fixedly connected to the top of the upper cover; the two ends of the first screw rod penetrate the two side walls of the first sheath and are rotatably connected to the first sheath; the outer peripheral cover of the second driving wheel and the second driven wheel is provided with a second sheath; the bottom of the second sheath is fixedly connected to the top of the upper cover; the two ends of the fourth screw rod penetrate the two side walls of the second sheath and are rotatably connected to the second sheath;

[0020] The first screw rod, the second screw rod, the third screw rod, the fourth screw rod, the first transmission rod and the second transmission rod are all mounted above the upper cover plate; the first linkage seat, the second linkage seat, the third linkage seat and the fourth linkage seat are all arranged through the top of the upper cover plate.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention adopts a screw rod and a linkage seat to drive the corresponding pressing plate to move horizontally on a horizontal plane to fold the cloth; when the power device drives the screw rod to rotate, the linkage seat moves accordingly, thereby driving the pressing plate to move accordingly;

[0022] The power device adopts an electric motor, which not only improves the accuracy of the movement of the pressing plate, but also can fine-tune each pressing plate, making the entire production process more stable and able to adapt to the folding production operations with different size requirements.

[0023] The side wall on the same side of the motor seat and the outer side of the folding device extends in a vertical downward direction to form a step layer, and the inner side wall of the step layer is arranged in contact with the outer side of the folding device; such an arrangement increases the contact area between the motor seat and the material folding device, and can effectively avoid the influence of the vibration generated by the drive component during operation, avoid displacement, and make the structure more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is one of the schematic diagrams of the structure of the driving assembly with the material folding device of the utility model;

[0025] Figure 2 This is the second schematic diagram of the structure of the driving assembly with the material folding device of the utility model;

[0026] Figure 3 It is a schematic diagram of the partial structure of the driving component with the material folding device of the utility model.

[0027] Description of the numbers in the figure:

[0028] 100, folding device; 101, upper cover plate; 102, base; 103, first linkage rod; 104, second linkage rod; 105, first side pressing plate; 106, second side pressing plate; 107, first front pressing plate; 108, second front pressing plate; 109, first rear pressing plate; 1010, second rear pressing plate; 21, first motor; 22, second motor; 23, third motor; 24, fourth motor; 25, motor seat; 26, first transmission rod; 27, first screw rod; 28, second screw rod; 29, third screw rod; 210, fourth screw rod; 211, second transmission rod; 212, first screw rod seat; 213, second screw rod seat; 214, first linkage seat; 215, second linkage seat; 217, fourth linkage seat. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with the embodiments. The following embodiments are intended to explain the present invention but the present invention is not limited to the following embodiments.

[0030] Specific embodiment 1: Please refer to Figure 1-3 A driving component of a material folding device of a bag opening machine includes a material folding device 100, wherein the output end of the driving component is installed and connected with the input end of the material folding device 100 to drive the material folding device 100 to operate; the driving component includes a power device, a plurality of screw rods and a plurality of linkage seats; the output end of the power device is installed and connected with the corresponding screw rods respectively indirectly or directly; the outer peripheral rotation sleeve of the screw rod is provided with a corresponding linkage seat; the material folding device 100 includes a plurality of material pressing plates; the bottom of the linkage seat is installed and connected with the corresponding material pressing plate indirectly or directly.

[0031] The folding device 100 also includes a plurality of linkage rods; the bottom of the linkage seat is installed and connected to one end of the corresponding linkage rod, and the end of the linkage rod away from the linkage rod is installed and connected to the corresponding pressing plate; the power device drives the corresponding screw rod to rotate and drive the corresponding pressing plate to move laterally on the horizontal plane to fold the cloth.

[0032] Preferably, two linkage seats are rotatably sleeved on each screw rod; the linkage seats are arranged on the screw rod at intervals, the linkage seats are connected to the screw rod in a spiral transmission, and the two linkage seats on the same screw rod are arranged in opposite directions relative to the movement direction of the screw rod.

[0033] The driving assembly also includes a motor seat 25; the motor seat 25 is fixedly arranged on one side of the top of the folding device 100; each motor is fixedly arranged on the outer wall of the motor seat 25, and the output end of each motor passes through the motor seat 25 and is indirectly or directly connected to the corresponding screw rod.

[0034] Preferably, the motor seat 25 is a U-shaped seat, and the bottom is fixedly connected to the top of the folding device 100; the side wall of the motor seat 25 and the outer side of the material folding device 100 on the same side extends in a vertical downward direction to form a step layer, and the inner side wall of the step layer is arranged in contact with the outer side of the material folding device 100; such a setting increases the contact area between the motor seat 25 and the material folding device 100, and can effectively avoid the influence of the vibration generated by the drive component during operation, avoid displacement, and make the structure more stable.

[0035] Preferably, the screw rods include a first screw rod 27, a second screw rod 28, a third screw rod 29 and a fourth screw rod 210; the power device includes a first motor 21, a second motor 22, a third motor 23 and a fourth motor 24; the first motor 21, the second motor 22, the third motor 23 and the fourth motor 24 are arranged in sequence respectively; the output end of the first motor 21 is indirectly or directly installed and connected to the first screw rod 27 to drive the first screw rod 27 to rotate back and forth; the output end of the second motor 22 is indirectly or directly installed and connected to the second screw rod 28 to drive the second screw rod 28 to rotate back and forth; the output end of the third motor 23 is indirectly or directly installed and connected to the third screw rod 29 to drive the third screw rod 29 to rotate back and forth; the output end of the fourth motor 24 is indirectly or directly installed and connected to the fourth screw rod 210 to drive the fourth screw rod 210 to rotate back and forth.

[0036] The output end of the first motor 21 is fixedly sleeved with a first fixed sleeve; the end of the first fixed sleeve away from the first motor 21 is fixedly embedded with a first transmission rod 26; the end of the first transmission rod 26 away from the first fixed sleeve is fixedly sleeved with a first driving wheel; the outer peripheral fixed sleeve of the first screw rod 27 is fixedly sleeved with a first driven wheel; the first driving wheel and the first driven wheel are meshed and connected; the first motor 21 drives the first screw rod 27 to reciprocate through the first transmission rod 26; the output end of the second motor 22 is fixedly sleeved with a second fixed sleeve; one end of the second screw rod 28 is embedded in the end of the second fixed sleeve away from the second motor 22; the second motor 22 drives the second screw rod 28 to reciprocate; the third A third fixing sleeve is provided at the output end fixing sleeve of the motor 23; one end of the third screw rod 29 is embedded in the end of the second fixing sleeve away from the third motor 23; the third motor 23 drives the third screw rod 29 to rotate back and forth; a fourth fixing sleeve is provided at the output end fixing sleeve of the fourth motor 24; a second transmission rod 211 is fixedly embedded at one end of the fourth fixing sleeve away from the fourth motor 24; a second driving wheel is provided at one end of the second transmission rod 211 away from the fourth fixing sleeve; a second driven wheel is provided at the outer peripheral fixing sleeve of the fourth screw rod 210; the second driving wheel and the second driven wheel are meshingly connected; the fourth motor 24 drives the fourth screw rod 210 to rotate back and forth through the second transmission rod 211.

[0037] Two first linkage seats 214 are sleeved on the outer periphery of the first screw rod 27; the first linkage seats 214 are arranged on both sides of the first driven wheel; the first linkage seat 214 and the first screw rod 27 are threadedly connected; a first linkage piece is fixedly arranged on the bottom of the first linkage seat 214; the end of the first linkage piece away from the first linkage seat 214 is rotatably connected to the first linkage rod 103; the end of the first linkage rod 103 away from the first linkage piece is slidably connected to the first side pressure plate 105; the two first side pressure plates 105 are arranged opposite to each other; the rotation of the first screw rod 27 drives the first linkage seats 214 on both sides to move toward or inversely, thereby driving the two first side pressure plates 105 to move toward or inversely synchronously.

[0038] Two second linkage seats 215 are sleeved on the outer periphery of the second screw rod 28; the two second linkage seats 215 are arranged on the outer periphery of the second screw rod 28 with a front-to-rear spacing; the bottom of one of the second linkage seats 215 is fixedly connected to the first front pressing plate 107; the bottom of the other second linkage seat 215 is fixedly connected to the first rear pressing plate 109; the first front pressing plate 107 and the first rear pressing plate 109 are arranged with a front-to-rear spacing; the rotation of the second screw rod 28 drives the two second linkage seats 215 to move towards or inversely, thereby driving the first front pressing plate 107 and the first rear pressing plate 109 to move towards or inversely synchronously.

[0039] Two third linkage seats 216 are sleeved on the outer periphery of the third screw rod 29; the two third linkage seats 216 are arranged on the outer periphery of the third screw rod 29 with a front-to-rear spacing; the bottom of one of the third linkage seats 216 is fixedly connected to the second front pressure plate 108; the bottom of the other second linkage seat 215 is fixedly connected to the second rear pressure plate 1010; the second front pressure plate 108 and the second rear pressure plate 1010 are arranged with a front-to-rear spacing; the rotation of the third screw rod 29 drives the two third linkage seats 216 to move towards or inversely, thereby driving the second front pressure plate 108 and the second rear pressure plate 1010 to move towards or inversely synchronously.

[0040] Two fourth linkage seats 217 are sleeved on the outer periphery of the fourth screw rod 210; the fourth linkage seat 217 is arranged on both sides of the second driven wheel; the fourth linkage seat 217 and the fourth screw rod 210 are threadedly connected; a second linkage piece is fixedly arranged on the bottom of the fourth linkage seat 217; the end of the second linkage piece away from the fourth linkage seat 217 is rotatably connected to the second linkage rod 104; the end of the second linkage rod 104 away from the second linkage piece is slidably connected to the second side pressure plate 106; the two second side pressure plates 106 are arranged opposite to each other; the rotation of the fourth screw rod 210 drives the fourth linkage seats 217 on both sides to run towards or in reverse, thereby driving the two second side pressure plates 106 to run towards or in reverse synchronously.

[0041] The folding device 100 includes an upper cover plate 101 and a base 102; the upper cover plate 101 is covered on the top of the base 102 and together with the base 102 form a cavity; the first side pressing plate 105, the second side pressing plate 106, the first front pressing plate 107, the second front pressing plate 108, the first rear pressing plate 109 and the second rear pressing plate 1010 are all installed in the cavity.

[0042] Preferably, the first screw rod 27 and the fourth screw rod 210 are spaced side by side and arranged in parallel; the first screw rod seat 212 is fixedly arranged on both sides of the top of the upper cover plate 101; the two ends of the first screw rod 27 respectively pass through the corresponding first screw rod seat 212 for rotational connection; the two ends of the fourth screw rod 210 respectively pass through the corresponding first screw rod seat 212 for rotational connection.

[0043] Preferably, the first screw rod 27 and the fourth screw rod 210 are both arranged parallel to the upper cover plate 101; in one embodiment, the height of the first screw rod 27 from the upper cover plate 101 is less than the height of the fourth screw rod 210 from the upper cover plate 101; the second transmission rod 211 is suspended above the first screw rod 27; in another embodiment, the height of the first screw rod 27 from the upper cover plate 101 is greater than the height of the fourth screw rod 210 from the upper cover plate 101; the second transmission rod 211 is suspended below the first screw rod 27.

[0044] The first driving wheel and the first driven wheel are covered with a first sheath; the bottom of the first sheath is fixedly connected to the top of the upper cover plate 101; the two ends of the first screw rod 27 pass through the two side walls of the first sheath and are rotatably connected to the first sheath.

[0045] The outer peripheral cover of the second driving wheel and the second driven wheel is provided with a second sheath; the bottom of the second sheath is fixedly connected to the top of the upper cover plate 101; the two ends of the fourth screw rod 210 penetrate the two side walls of the second sheath and are rotatably connected to the second sheath.

[0046] Preferably, the first screw rod 27, the second screw rod 28, the third screw rod 29, the fourth screw rod 210, the first transmission rod 26 and the second transmission rod 211 are all mounted above the upper cover plate 101; the first linkage seat 214, the second linkage seat 215, the third linkage seat 216 and the fourth linkage seat 217 are all set through the top of the upper cover plate 101.

[0047] Working principle:

[0048] The first motor 21 drives the first screw rod 27 to rotate reciprocatingly through the first transmission rod 26; the rotation of the first screw rod 27 drives the first linkage seats 214 on both sides to move toward or in reverse, thereby driving the two first side pressing plates 105 to move toward or in reverse synchronously;

[0049] The second motor 22 drives the second screw rod 28 to rotate reciprocatingly; the rotation of the second screw rod 28 drives the two second linkage seats 215 to move toward or inversely, thereby driving the first front pressing plate 107 and the first rear pressing plate 109 to move toward or inversely synchronously;

[0050] The third motor 23 drives the third screw rod 29 to rotate reciprocatingly; the rotation of the third screw rod 29 drives the two third linkage seats 216 to move toward or inversely, thereby driving the second front pressing plate 108 and the second rear pressing plate 1010 to move toward or inversely synchronously;

[0051] The fourth motor 24 drives the fourth screw rod 210 to rotate reciprocatingly through the second transmission rod 211; the rotation of the fourth screw rod 210 drives the fourth linkage seats 217 on both sides to move toward or in reverse directions, thereby driving the two second side pressing plates 106 to move toward or in reverse directions synchronously;

[0052] The folding device is operated and fine-tuned by four motors.

[0053] The above is only a preferred specific implementation method of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed in the present application according to the technical solution and improved ideas of the present application, which should be covered by the protection scope of the present application.

Claims

1. A driving assembly of a material folding device of a bag opening machine, comprising a material folding device (100), wherein an output end of the driving assembly is connected to an input end of the material folding device (100) to drive the material folding device (100) to operate; characterized in that: It comprises a power device, a plurality of screw rods and a plurality of linkage seats; the output end of the power device is respectively connected to the corresponding screw rods indirectly or directly; the outer peripheral rotation sleeve of the screw rod is provided with a corresponding linkage seat; the material folding device (100) comprises a plurality of material pressing plates; the bottom of the linkage seat is connected to the corresponding material pressing plate indirectly or directly.

2. The driving assembly of the folding device of the bag opening machine according to claim 1, characterized in that: Two linkage seats are rotatably sleeved on each screw rod; the linkage seats are arranged on the screw rod at intervals, the linkage seats are connected with the screw rod in a spiral transmission, and the two linkage seats on the same screw rod are arranged in opposite directions relative to the movement direction of the screw rod.

3. The driving assembly of the folding device of the bag opening machine according to claim 1, characterized in that: The material folding device (100) further comprises a plurality of linkage rods; the bottom of the linkage seat is connected to one end of the corresponding linkage rod, and one end of the linkage rod away from the linkage rod is connected to the corresponding material pressing plate.

4. The driving assembly of the folding device of the bag opening machine according to claim 1, characterized in that: The screw rods include a first screw rod (27), a second screw rod (28), a third screw rod (29) and a fourth screw rod (210); the power device includes a first motor (21), a second motor (22), a third motor (23) and a fourth motor (24); the output end of the first motor (21) is indirectly or directly connected to the first screw rod (27) to drive the first screw rod (27) to perform reciprocating rotation operation; the output end of the second motor (22) is indirectly or directly connected to the second screw rod (28) to drive the second screw rod (28) to perform reciprocating rotation operation; the output end of the third motor (23) is indirectly or directly connected to the third screw rod (29) to drive the third screw rod (29) to perform reciprocating rotation operation; the output end of the fourth motor (24) is indirectly or directly connected to the fourth screw rod (210) to drive the fourth screw rod (210) to perform reciprocating rotation operation.

5. The driving assembly of the folding device of the bag opening machine according to claim 4, characterized in that: The output end fixing sleeve of the first motor (21) is provided with a first fixing sleeve; the end of the first fixing sleeve away from the first motor (21) is fixedly embedded with a first transmission rod (26); the end of the first transmission rod (26) away from the first fixing sleeve is fixedly provided with a first driving wheel; the outer peripheral fixing sleeve of the first screw rod (27) is provided with a first driven wheel; the first driving wheel and the first driven wheel are meshingly connected; the first motor (21) drives the first screw rod (27) to reciprocate and rotate through the first transmission rod (26); the output end fixing sleeve of the second motor (22) is provided with a second fixing sleeve; one end of the second screw rod (28) is embedded in the end of the second fixing sleeve away from the second motor (22); the second motor (22) drives the second screw rod (28) to reciprocate and rotate; the third The output end fixing sleeve of the motor (23) is provided with a third fixing sleeve; one end of the third screw rod (29) is embedded in the end of the second fixing sleeve away from the third motor (23); the third motor (23) drives the third screw rod (29) to perform reciprocating rotation operation; the output end fixing sleeve of the fourth motor (24) is provided with a fourth fixing sleeve; the end of the fourth fixing sleeve away from the fourth motor (24) is fixedly embedded with a second transmission rod (211); the end of the second transmission rod (211) away from the fourth fixing sleeve is provided with a second driving wheel; the outer peripheral fixing sleeve of the fourth screw rod (210) is provided with a second driven wheel; the second driving wheel and the second driven wheel are meshingly connected; the fourth motor (24) drives the fourth screw rod (210) to perform reciprocating rotation operation through the second transmission rod (211).

6. The driving assembly of the folding device of the bag opening machine according to claim 4, characterized in that: Two first linkage seats (214) are sleeved on the outer periphery of the first screw rod (27); the first linkage seats (214) are arranged on both sides of the first driven wheel; the first linkage seat (214) and the first screw rod (27) are threadedly connected; a first linkage plate is fixedly arranged on the bottom of the first linkage seat (214); the end of the first linkage plate away from the first linkage seat (214) is rotatably connected to the first linkage rod (103); the end of the first linkage rod (103) away from the first linkage plate is slidably connected to the first side pressing plate (105); the two first side pressing plates (105) are arranged opposite to each other; the first screw rod (27) rotates to drive the first linkage seats (214) on both sides to move in the same direction or in the opposite direction, thereby driving the two first side pressing plates (105) to move in the same direction or in the opposite direction synchronously; The outer periphery of the fourth screw rod (210) is provided with two fourth linkage seats (217); the fourth linkage seats (217) are arranged on both sides of the second driven wheel; the fourth linkage seats (217) and the fourth screw rod (210) are threadedly connected; a second linkage piece is fixedly arranged at the bottom of the fourth linkage seat (217); the end of the second linkage piece away from the fourth linkage seat (217) is rotatably connected to the second linkage rod (104); the end of the second linkage rod (104) away from the second linkage piece is slidably connected to the second side pressing plate (106); the two second side pressing plates (106) are arranged opposite to each other; the fourth screw rod (210) rotates to drive the fourth linkage seats (217) on both sides to run in opposite directions or reverse directions, thereby driving the two second side pressing plates (106) to run in opposite directions or reverse directions synchronously.

7. The driving assembly of the folding device of the bag opening machine according to claim 4, characterized in that: The outer periphery of the second screw rod (28) is sleeved with two second linkage seats (215); the two second linkage seats (215) are arranged on the outer periphery of the second screw rod (28) one in front of the other with a spacing; the bottom of one of the second linkage seats (215) is fixedly connected to the first front pressing plate (107); the bottom of the other second linkage seat (215) is fixedly connected to the first rear pressing plate (109); the first front pressing plate (107) and the first rear pressing plate (109) are arranged one in front of the other with a spacing; the second screw rod (28) rotates to drive the two second linkage seats (215) to move in opposite directions or in reverse directions, thereby driving the first front pressing plate (107) and the first rear pressing plate (109) to move in opposite directions or in reverse directions synchronously; Two third linkage seats (216) are sleeved on the outer periphery of the third screw rod (29); the two third linkage seats (216) are arranged on the outer periphery of the third screw rod (29) one in front of the other with a spacing therebetween; the bottom of one of the third linkage seats (216) is fixedly connected to the second front pressing plate (108); the bottom of the other second linkage seat (215) is fixedly connected to the second rear pressing plate (1010); the second front pressing plate (108) and the second rear pressing plate (1010) are arranged one in front of the other with a spacing therebetween; the third screw rod (29) rotates to drive the two third linkage seats (216) to move in opposite directions or in reverse directions, thereby driving the second front pressing plate (108) and the second rear pressing plate (1010) to move in opposite directions or in reverse directions synchronously.

8. The driving assembly of the folding device of the bag opening machine according to claim 4, characterized in that: The first screw rod (27) and the fourth screw rod (210) are spaced apart from each other and are arranged in parallel; the material folding device (100) comprises an upper cover plate (101); first screw rod seats (212) are fixedly arranged on both sides of the top of the upper cover plate (101); two ends of the first screw rod (27) respectively penetrate the corresponding first screw rod seats (212) for rotational connection; and two ends of the fourth screw rod (210) respectively penetrate the corresponding first screw rod seats (212) for rotational connection.

9. The driving assembly of the folding device of the bag opening machine according to claim 8, characterized in that: The first screw rod (27) and the fourth screw rod (210) are both arranged parallel to the upper cover plate (101); The height of the first screw rod (27) from the upper cover plate (101) is less than the height of the fourth screw rod (210) from the upper cover plate (101); the second transmission rod (211) is suspended above the first screw rod (27); Alternatively, the height of the first screw rod (27) from the upper cover plate (101) is greater than the height of the fourth screw rod (210) from the upper cover plate (101); and the second transmission rod (211) is suspended below the first screw rod (27).

10. The driving assembly of the folding device of the bag opening machine according to claim 8, characterized in that: The outer peripheral covers of the first driving wheel and the first driven wheel are provided with a first sheath; the bottom of the first sheath is fixedly connected to the top of the upper cover plate (101); the two ends of the first screw rod (27) penetrate the two side walls of the first sheath and are rotatably connected to the first sheath; the outer peripheral covers of the second driving wheel and the second driven wheel are provided with a second sheath; the bottom of the second sheath is fixedly connected to the top of the upper cover plate (101); the two ends of the fourth screw rod (210) penetrate the two side walls of the second sheath and are rotatably connected to the second sheath; The first screw rod (27), the second screw rod (28), the third screw rod (29), the fourth screw rod (210), the first transmission rod (26) and the second transmission rod (211) are all mounted above the upper cover plate (101); the first linkage seat (214), the second linkage seat (215), the third linkage seat (216) and the fourth linkage seat (217) are all arranged through the top of the upper cover plate (101).

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