Fixed-length cutting device for plastic woven bag processing

Abstract

The utility model relates to the technical field of woven bag cutting equipment, in particular to a fixed-length cutting device for plastic woven bag processing, which comprises a conveying component, a cutting component, a detection component and a blanking component, the cutting component comprises an extension plate, a sliding seat, a rotary driving part I, a fixed seat, a cutting blade, a rotary driving part II, a gear and a rack, the supporting table is connected with the extending plates, the extending plates are connected with the fixing bases, the fixing bases are connected with the racks, the sliding base is arranged on the fixing bases, the first rotary driving part is installed on the sliding base, the output end of the first rotary driving part is connected with the cutting blade, and the second rotary driving parts are installed on the sliding base. An output shaft of the second rotation driving part is connected with a gear, the detection assembly comprises an adapter strip and a sensor, the discharging assembly comprises a telescopic driving part, a supporting plate and a fixing plate, and the woven bag cutting device has the advantages that woven bags can be automatically cut, operation is convenient, the woven bags can be automatically processed, and the woven bags with different lengths can be conveniently cut.

Description

Technical Field

[0001] The utility model relates to the technical field of woven bag cutting equipment, in particular to a fixed-length cutting device for processing plastic woven bags. Background Art

[0002] Woven bags are made of polyethylene or polypropylene as the main raw materials, with masterbatch and other materials as auxiliary materials, and are made into flat wires after unidirectional stretching, warp and weft weaving, sewing, cutting and printing. This kind of bag has a certain function of protecting goods and containing items. The woven bag cutting machine is an automatic cutting equipment used in the woven bag manufacturing industry, which can effectively use the cutting parts to cut the woven bags. However, for some woven bags that need to be cut to a fixed length, the existing cutting machine needs to repeatedly adjust the detection position of the cutting position, or visually check the cutting position, which is not conducive to cutting woven bags of different lengths and is not conducive to user operation. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a fixed-length cutting device for processing plastic woven bags, which has the effect of automatically cutting woven bags, facilitating operation, facilitating automated processing of woven bags, and conveniently cutting woven bags of different lengths.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed-length cutting device for processing plastic woven bags, comprising a support table, a conveying assembly for transmitting woven belts, a cutting assembly, a detection assembly and a blanking assembly;

[0007] The cutting assembly includes an extension plate, a sliding seat, a rotary drive unit 1, a fixed seat, a cutting blade, a rotary drive unit 2, a gear and a rack. The support platform is connected to a plurality of extension plates, a plurality of fixed seats are connected to the extension plate, a rack is connected to the fixed seat, the sliding seat is arranged on the fixed seat, the sliding seat can slide on the fixed seat, the rotary drive unit 1 is installed on the sliding seat, the output end of the rotary drive unit 1 is connected to the cutting blade, a clearance hole corresponding to the cutting blade is arranged on the extension plate, a plurality of rotary drive units 2 are installed on the sliding seat, the output shaft of the rotary drive unit 2 is connected to the gear, and the gear and the rack are meshed;

[0008] The detection component includes a transfer bar and a sensor, a plurality of transfer bars are connected to the extension plate, and a plurality of sensors for detecting woven bags are installed on the transfer bars;

[0009] The blanking component includes a telescopic driving part, a support plate and a fixing plate. A plurality of telescopic driving parts are rotatably connected to the fixing plate. The output shaft of the telescopic driving part is rotatably connected to the support plate. A positioning groove corresponding to the support plate is arranged on the extension plate, and the support plate is rotatably connected to the inner wall of the positioning groove.

[0010] Preferably, the conveying component includes a positioning seat and a support roller. A plurality of positioning seats are installed on the support table, and a plurality of support rollers are rotatably connected to the positioning seats.

[0011] Preferably, the conveying component further includes a handwheel, a screw rod, a hanging seat and a pressure roller. Screw rods are rotatably connected to both sides of the positioning seat. A handwheel is connected to the screw rod. The screw rod is rotatably connected to the hanging seat. The movement of the screw rod can drive the hanging seat to move. The screw rod is threadedly connected to the positioning seat. The pressure roller is rotatably connected to the hanging seat.

[0012] Preferably, the conveying component further includes a first limiting strip and a second limiting strip. The first limiting strip and the second limiting strip are installed on the support table. The first limiting strip and the second limiting strip are located on both sides of the support table. The second limiting strip is connected to the support table by bolts. Long strip holes corresponding to the bolts for installing the second limiting strip are arranged on the support table. The bolts for installing the second limiting strip can move in the long strip holes.

[0013] Preferably, the conveying component further includes a third rotary driving part. The third rotary driving part is installed on the hanging seat, and the output shaft of the third rotary driving part is connected to the pressure roller.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a fixed-length cutting device for plastic woven bag processing, which has the following beneficial effects:

[0016] For the fixed-length cutting device for plastic woven bag processing, the woven bag being conveyed is supported by the support table, so that the raw material of the woven bag is conveyed reasonably. When it is conveyed to the transfer strip and the sensor, the corresponding sensor is triggered. When the corresponding sensor is triggered, a signal can be sent out. Then, the first rotary driving part and the second rotary driving part are controlled to start. The second rotary driving part drives the gear to rotate. The gear cooperates with the rack, thereby driving the sliding seat, the first rotary driving part and the cutting blade to move. The first rotary driving part drives the cutting blade to rotate, and the cutting blade cuts the raw material of the woven bag. Then, the telescopic driving part drives the support plate to rotate, so that the cut woven bag falls along the support plate below the support table, realizing the effect of automatically cutting the woven bag, facilitating the operation, and being beneficial to the automatic processing of the woven bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the utility model;

[0018] Figure 2 is the utility model Figure 1Schematic diagram of the partially enlarged structure at position A;

[0019] Figure 3 This is a utility model Figure 1 Schematic diagram of the partially enlarged structure at position B;

[0020] Figure 4 Schematic diagram of the front view structure of this utility model;

[0021] Figure 5 This is a utility model Figure 4 Schematic diagram of the sectional structure at A - A of this utility model;

[0022] Figure 6 This is a utility model Figure 4 Schematic diagram of the sectional structure at B - B of this utility model;

[0023] Figure 7 Schematic diagram of the three - dimensional structure of this utility model;

[0024] Figure 8 Schematic diagram of the three - dimensional structure of this utility model.

[0025] Reference numerals in the drawings: 1, support platform; 2, first limiting strip; 3, second limiting strip; 4, positioning seat; 5, support roller; 6, handwheel; 7, screw rod; 8, hanging seat; 9, third rotation driving part; 10, pressing roller; 11, extension plate; 12, sliding seat; 13, first rotation driving part; 14, fixed seat; 15, cutting blade; 16, second rotation driving part; 17, gear; 18, rack; 19, connecting strip; 20, sensor; 21, telescopic driving part; 22, support plate; 23, fixing plate. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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 the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment:

[0028] Please refer to Figures 1 - 8 , a fixed - length cutting device for plastic woven bag processing, including a support platform 1, a conveying assembly for conveying the woven belt, a cutting assembly, a detection assembly, and a blanking assembly.

[0029] The cutting component includes an extension plate 11, a sliding seat 12, a first rotation driving part 13, a fixed seat 14, a cutting blade 15, a second rotation driving part 16, a gear 17 and a rack 18. The support table 1 is connected to a plurality of extension plates 11. A plurality of fixed seats 14 are connected to the extension plate 11. A rack 18 is connected to the fixed seat 14. The sliding seat 12 is arranged on the fixed seat 14 and can slide on the fixed seat 14. The first rotation driving part 13 is installed on the sliding seat 12, and the output end of the first rotation driving part 13 is connected to the cutting blade 15. A relief hole corresponding to the cutting blade 15 is arranged on the extension plate 11. A plurality of second rotation driving parts 16 are installed on the sliding seat 12, the output shaft of the second rotation driving part 16 is connected to the gear 17, and the gear 17 meshes with the rack 18.

[0030] The detection component includes an adapter bar 19 and a sensor 20. A plurality of adapter bars 19 are connected to the extension plate 11, and a plurality of sensors 20 for detecting the woven bag are installed on the adapter bar 19.

[0031] The blanking assembly includes a telescopic driving part 21, a support plate 22 and a fixing plate 23. A plurality of telescopic driving parts 21 are rotatably connected to the fixing plate 23. The output shaft of the telescopic driving part 21 is rotatably connected to the support plate 22. A positioning groove corresponding to the support plate 22 is provided on the extension plate 11. The support plate 22 is rotatably connected to the inner wall of the positioning groove. A guide rail is installed on the fixed seat 14. A slider is slidably connected to the guide rail. The slider is connected to the sliding seat 12. The sensor 20 is preferably one of a photoelectric sensor, an optical fiber sensor or a proximity sensor. The fixing plate 23 and the telescopic driving part 21 are preferably rotatably connected by a pin shaft. The output shaft of the telescopic driving part 21 is connected with an adapter. The adapter can be a plate-shaped object or a shaft-shaped object, and can be a spherical plain bearing. A U-shaped block rotatably connected to the adapter by a pin shaft is connected to the support plate 22, realizing the rotational connection mode between the support plate 22 and the telescopic driving part 21. Preferably, a through hole for transmitting the woven bag is provided between the fixed seat 14 and the support table 1. The sensor 20 is electrically connected to the controller. The controller is preferably a PLC. The controller is electrically connected to the drivers of the rotation driving part one 13 and the rotation driving part two 16. After triggering the corresponding sensor 20, the rotation driving part two 16 and the rotation driving part one 13 can be started. The driving component of the rotation driving part one 13 is a motor, preferably an electric motor. The preferred way for the rotation driving part one 13 to drive the cutting blade 15 to rotate is that a driving pulley one is installed on the output shaft of the driving component, a driving pulley two is connected to the cutting blade 15, and the driving pulley one and the driving pulley two are connected by a transmission belt. The driving pulley one and the driving pulley two are preferably one of a belt pulley, a sprocket and a timing belt pulley. The transmission belt is preferably one of a belt, a chain and a timing belt that cooperate with the driving pulley one and the driving pulley two. The telescopic driving part 21 is one of a cylinder, a hydraulic cylinder and an electric cylinder. The support plate 22 and the extension plate 11 are preferably rotatably connected by a shaft. A rubber pad is preferably provided at the end of the support plate 22. During use, the woven bag can be moved by one of the following ways: pulling, installing a winch for transmitting the woven bag at the extension plate 11, or installing an electric motor on the conveying assembly for driving the roller for supporting the woven bag to rotate. The adapter bar 19 is preferably an angle iron. The rotation driving part two 16 is a motor, preferably an electric motor. The woven bag transmitted by the support table 1 is supported, so that the woven bag raw material is reasonably transmitted. When it reaches the adapter bar 19 and the sensor 20, the corresponding sensor 20 is triggered. When the corresponding sensor 20 is triggered, a signal can be sent, and then the rotation driving part one 13 and the rotation driving part two 16 are controlled to start. The rotation driving part two 16 drives the gear 17 to rotate. The gear 17 cooperates with the rack 18, thereby driving the sliding seat 12, the rotation driving part one 13 and the cutting blade 15 to move. The rotation driving part one 13 drives the cutting blade 15 to rotate. The cutting blade 15 cuts the woven bag raw material. Then, the telescopic driving part 21 drives the support plate 22 to rotate, so that the cut woven bag falls along the support plate 22 below the support table 1, achieving the effect of automatically cutting the woven bag, facilitating operation, and being beneficial to the automatic processing of the woven bag.

[0032] Reference Figure 1 As shown in Figure 1 , the conveying assembly includes a positioning seat 4 and supporting rollers 5. A number of positioning seats 4 are installed on the supporting platform 1, and a number of supporting rollers 5 are rotatably connected to the positioning seats 4. Preferably, the woven bag is bent on each supporting roller 5 between the supporting rollers 5 that support the woven bag at the transmission position, which can limit the position of the woven bag. Preferably, a motor for driving the rotation of the supporting roller 5 is installed on one of the supporting rollers 5. A plurality of pillow block bearings for supporting the supporting roller 5 are installed on the positioning seat 4. By supporting and transmitting the woven bag raw material through the supporting roller 5 on the positioning seat 4, the conveying effect of the transmitted woven bag can be effectively improved.

[0033] Reference Figure 3 As shown in Figure 3 , the conveying assembly further includes a handwheel 6, a screw rod 7, a hanging seat 8 and a pressure roller 10. Screw rods 7 are rotatably connected to both sides of the positioning seat 4. A handwheel 6 is connected to the screw rod 7. The screw rod 7 is rotatably connected to the hanging seat 8, and the screw rod 7 is threadedly connected to the positioning seat 4. The pressure roller 10 is rotatably connected to the hanging seat 8. The movement of the screw rod 7 can drive the movement of the hanging seat 8. The screw rod 7 and the hanging seat 8 are preferably rotatably connected through bearings. Snap rings for restricting the position of the hanging seat 8 are provided on both sides of the screw rod 7. As another application form, a threaded connection method is selected. As another application form, a method in which the screw rod 7 and the hanging seat 8 are rotatably connected through a bushing is selected. A set screw for restricting the position of the hanging 8 is provided on the bushing, and an annular groove corresponding to the set screw is provided on the screw rod 7. As another application form, a limit sleeve for supporting the hanging seat 8 is connected to the screw rod 7, and a through hole for installing the limit sleeve is provided on the hanging seat 8 to meet the state where the screw rod 7 and the hanging seat 8 rotate without coming out. A nut for restricting the position of the handwheel 6 is connected to the screw rod 7, and the nuts are distributed on both sides of the side wall of the positioning seat 4. By rotating the handwheel 6, the handwheel 6 drives the screw rod 7 to rotate, and the screw rod 7, the positioning seat 4 and the hanging seat 8 cooperate to drive the hanging seat 8 and the pressure roller 10 to move up and down, so that the pressure roller 10 can press the position of the transmitted woven bag and improve the guiding and limiting effect on the woven bag.

[0034] Reference Figure 1 As shown in Figure 1 , the conveying assembly further includes a first limiting strip 2 and a second limiting strip 3. The first limiting strip 2 and the second limiting strip 3 are installed on the supporting platform 1. The first limiting strip 2 and the second limiting strip 3 are located on both sides of the supporting platform 1. The second limiting strip 3 is bolted to the supporting platform 1. Long strip holes corresponding to the bolts for installing the second limiting strip 3 are provided on the supporting platform 1. The bolts for installing the second limiting strip 3 can move in the long strip holes. The first limiting strip 2 and the second limiting strip 3 are preferably angle irons with an L-shaped cross section. The transmitted woven bag is restricted by the first limiting strip 2 and the second limiting strip 3, and by adjusting the bolts for installing the second limiting strip 3, the position of the second limiting strip 3 can be effectively adjusted, so that the second limiting strip 3 can restrict the transmitted woven bag, which is beneficial to restricting woven bags of different widths.

[0035] Reference Figure 6, the conveying assembly further includes a third rotary driving part 9. The third rotary driving part 9 is mounted on the hanging seat 8. The output shaft of the third rotary driving part 9 is connected to the pressing roller 10. The output shaft of the third rotary driving part 9 and the pressing roller 10 are preferably connected by a key or by a coupling. The third rotary driving part 9 is a motor, preferably an electric motor. By providing the third rotary driving part 9, the pressing roller 10 can be effectively driven to rotate, and a smoother conveying effect can be provided when conveying the woven belt.

[0036] During use, place the woven bag on the support table 1, pass the woven bag through the support roller 5, press the pressing roller 10 against the woven bag, start the third rotary driving part 9, and the third rotary driving part 9 drives the movement of the woven bag raw material, so that the woven bag triggers the corresponding sensor 20. After triggering the appropriate sensor 20, control the first rotary driving part 13 and the second rotary driving part 16 to start. The first rotary driving part 13 drives the cutting blade 15 to rotate, and the second rotary driving part 16 drives the gear 17 to rotate. The gear 17 cooperates with the rack 18, and then drives the sliding seat 12 to move to a suitable position, so that the cutting blade 15 cuts the woven bag.

[0037] It should be noted that phrases such as "one embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when combining specific features, structures or characteristics with an embodiment, implementing such features, structures or characteristics in combination with other embodiments, whether explicitly or implicitly described, is within the knowledge scope of those skilled in the art.

[0038] It should be easily understood that the terms "on...", "above...", and "over..." in the present disclosure should be interpreted in the broadest manner, so that "on..." not only means "directly on something", but also includes the meaning of "on something" with intermediate features or layers therebetween, and "above..." or "over..." not only includes the meaning of "above something" or "over it", but may also include the meaning of "above something" or "over it" without intermediate features or layers therebetween (i.e., directly on something).

[0039] In addition, for the convenience of description, spatial relative terms can be used in the text, such as "below", "beneath", "under", "above", "over", etc., to describe the relationship of one element or feature relative to other elements or features as shown in the figure. Spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation shown in the drawings. The device may have other orientations (rotated 90 degrees or in other orientations), and the spatial relative descriptive words used in the text can be similarly interpreted accordingly.

[0040] It should be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the said element.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A fixed-length cutting device for processing plastic woven bags, characterized in that: It comprises a support platform (1), a conveying component for transmitting the braided belt, a cutting component, a detection component and a blanking component; The cutting assembly comprises an extension plate (11), a sliding seat (12), a first rotating drive unit (13), a fixed seat (14), a cutting blade (15), a second rotating drive unit (16), a gear (17) and a rack (18); the support platform (1) is connected to a plurality of extension plates (11); a plurality of fixed seats (14) are connected to the extension plates (11); a rack (18) is connected to the fixed seat (14); the sliding seat (12) is arranged on the fixed seat (14); (12) is capable of sliding on the fixed seat (14), the rotary drive unit (13) is installed on the sliding seat (12), the output end of the rotary drive unit (13) is connected to the cutting blade (15), the extension plate (11) is provided with a clearance hole corresponding to the cutting blade (15), a plurality of rotary drive units (16) are installed on the sliding seat (12), the output shaft of the rotary drive unit (16) is connected to the gear (17), and the gear (17) and the rack (18) are meshed; The detection component comprises a transfer bar (19) and a sensor (20); a plurality of transfer bars (19) are connected to the extension plate (11); and a plurality of sensors (20) for detecting woven bags are installed on the transfer bars (19); The blanking assembly comprises a telescopic driving part (21), a supporting plate (22) and a fixing plate (23); a plurality of telescopic driving parts (21) are rotatably connected to the fixing plate (23); an output shaft of the telescopic driving part (21) is rotatably connected to the supporting plate (22); a positioning groove corresponding to the supporting plate (22) is provided on the extension plate (11); and the supporting plate (22) is rotatably connected to the inner wall of the positioning groove.

2. The fixed-length cutting device for processing plastic woven bags according to claim 1 is characterized in that: The conveying assembly comprises a positioning seat (4) and a supporting roller (5); a plurality of positioning seats (4) are installed on the supporting platform (1); and a plurality of supporting rollers (5) are rotatably connected to the positioning seat (4).

3. The fixed-length cutting device for processing plastic woven bags according to claim 1, characterized in that: The conveying assembly further comprises a hand wheel (6), a screw rod (7), a hanging seat (8) and a pressure roller (10); both sides of the positioning seat (4) are rotatably connected with the screw rods (7); the screw rods (7) are connected with the hand wheel (6); the screw rods (7) and the hanging seat (8) are rotatably connected; the movement of the screw rod (7) can drive the hanging seat (8) to move; the screw rod (7) and the positioning seat (4) are connected by threads; and the pressure roller (10) and the hanging seat (8) are rotatably connected.

4. The fixed-length cutting device for processing plastic woven bags according to claim 1, characterized in that: The conveying assembly further comprises a first limiting strip (2) and a second limiting strip (3), the first limiting strip (2) and the second limiting strip (3) are installed on the support platform (1), the first limiting strip (2) and the second limiting strip (3) are located on both sides of the support platform (1), the second limiting strip (3) and the support platform (1) are connected by bolts, and the support platform (1) is provided with a long strip hole corresponding to the bolt for installing the second limiting strip (3), and the bolt for installing the second limiting strip (3) can move in the long strip hole.

5. The device for cutting to length for processing plastic woven bags according to claim 3, characterized in that: The conveying assembly also includes a rotating drive unit three (9), the rotating drive unit three (9) is installed on the hanging seat (8), and the output shaft of the rotating drive unit three (9) is connected to the pressure roller (10).

Images