CN117585225A - Packing machine - Google Patents

Abstract

The application relates to a packer, which comprises a machine base, a mechanism tightening mechanism and a welding cutting mechanism, wherein the mechanism tightening mechanism and the welding cutting mechanism are arranged on the machine base, the tightening mechanism is used for tightening an annular strapping tape, the tightening mechanism comprises a tightening wheel, a tightening plate, a first driving piece and a second driving piece, the first driving piece drives the tightening wheel to move on the machine base, the second driving piece drives the tightening wheel to rotate, and the tightening wheel and the tightening plate are respectively positioned on two sides of the thickness direction of the strapping tape and are used for clamping the strapping tape together; the novel strapping machine further comprises a baffle frame, a push plate and a third driving piece, wherein the baffle frame is arranged on the machine base, the push plate is connected to the machine base in a sliding manner from one side close to the baffle frame to one side far away from the baffle frame, the third driving piece drives the push plate to slide, the baffle frame and the push plate are respectively located at two sides of the strapping tape width direction, and the push plate is used for pushing strapping tapes to be abutted to the baffle frame. The baffle frame and the push plate limit the strapping tape along the length direction, and the contact area of the two ends of the annular strapping tape is increased, so that the strength of the welded part of the strapping tape after welding is improved.

Description

Packing machine

Technical Field

The invention relates to the field of packing equipment, in particular to a packing machine.

Background

The packer is also called a bundling machine, a tape-binding machine or a bundling machine, and is used for bundling products or packages by using a bundling tape, then tightening and combining two ends in a hot-melt bonding mode through a heating ironing head. Currently, strap balers are commercially available that perform the wrapping by tightening a strap loop around the strap package and permanently attaching overlapping leading portions of the strap by friction welding fusion.

The invention patent with the bulletin number of CN106742437B discloses a handheld electric packer, which comprises a belt pressing structure, a vibrating part, a cutter and a belt pressing cushion block matched with the belt pressing structure, wherein the belt pressing structure is connected with or is a part of the vibrating part; the hand-held electric packer is further provided with a manual pressing operation mechanism with a lock, so that when the vibration part is pressed down to the belt pressing structure to be positioned at the belt pressing position, the pressing operation mechanism is locked, and the pressing operation mechanism cannot retract after the manual pressing is removed.

The related technical scheme has the following defects: the strapping is stacked between the bottom end of the vibrating component and the pressing part cushion block, then the strapping is tightened, when the vibrating component presses the strapping to vibrate, the stacked strapping is easy to shift in position, and the strength of a welded part of the strapping can be affected.

Disclosure of Invention

In order to improve the strength of a welded joint of a strapping tape after welding, the application provides a packer.

The application provides a baling press adopts following technical scheme:

the packer comprises a machine base, a mechanism tightening mechanism and a welding cutting mechanism, wherein the mechanism tightening mechanism and the welding cutting mechanism are arranged on the machine base, the tightening mechanism is used for tightening annular strapping tapes, the welding cutting mechanism is used for welding the strapping tapes stacked together and cutting off redundant strapping tapes, the tightening mechanism comprises a tightening wheel, a tightening plate, a first driving piece and a second driving piece, the tightening plate is fixed on the machine base, the tightening wheel is movably connected to the machine base from one side far away from the tightening plate to one side close to the tightening plate, the first driving piece drives the tightening wheel to move on the machine base, the second driving piece drives the tightening wheel to rotate, and the tightening wheel and the tightening plate are respectively positioned on two sides of the strapping tapes in the thickness direction and are used for clamping the strapping tapes together;

the novel strapping machine is characterized by further comprising a baffle frame, a pushing plate and a third driving piece, wherein the baffle frame is arranged on the machine base, the pushing plate is connected to the machine base in a sliding manner from one side close to the baffle frame to one side far away from the baffle frame, the third driving piece drives the pushing plate to slide, the baffle frame and the pushing plate are respectively positioned on two sides of the strapping tape in the strapping tape width direction, and the pushing plate is used for pushing strapping tapes to be abutted to the baffle frame.

Through adopting above-mentioned technical scheme, before tightening up the wheel presses the strapping on tightening up the board, the drive push pedal with the strapping butt on keeping off the frame, keep off frame and push pedal limit the strapping jointly and only can follow length direction, also tighten up the direction and move, can make the better overlapping of two tip of annular strapping together, when welding shutdown mechanism carries out the thermogenesis melting butt joint operation to the strapping, two tip of annular strapping also can overlap together all the time, through the area of contact of two tip of increase annular strapping to improve the welding department intensity after the strapping butt joint.

Preferably, the first driving piece includes reducing gear box, pivot and handle, the second driving piece includes reducing gear box and first motor, reducing gear box in the first driving piece and the reducing gear box in the second driving piece are same reducing gear box, the reducing gear box includes box, input shaft, output shaft and reduction gear mechanism, the input shaft is all rotated with the output shaft and is connected on the box, reduction gear mechanism is used for reducing the rotational speed of input shaft and drives the output shaft, the handle sets up on the box, the pivot wears to establish and rotate to connect on the box of reducing gear box, the pivot rotates to connect on the frame, first motor sets up on the box and coaxial fixed on the input shaft of reducing gear box, tighten up the epaxial fixed on the output shaft of reducing gear box, the axis direction of pivot is parallel to tighten up the axis direction of rotation of wheel.

Through adopting above-mentioned technical scheme, first motor can drive the tight pulley through the reducing gear box and rotate, and operating personnel drives the reducing gear box and revolutes the rotation of rotating shaft on the handle through the application of force, drives the tight pulley and moves then, and annular strapping can get into between tight pulley and the tight plate when tight pulley is kept away from tight plate one side and is rotated, then is kept away from tight plate one side with tight pulley orientation and rotates, makes tight pulley butt on tight plate, then the tight pulley rotates and drives annular strapping and tighten up.

Preferably, the first driving member further comprises a torsion spring, a first spring and two first protruding columns, the torsion spring is arranged on the rotating shaft and drives the rotating shaft to rotate towards one side of the tightening wheel, close to the tightening plate, all the time, the two first protruding columns are respectively arranged on the machine base and the box body, the first protruding columns arranged on the machine base are located on one side, close to the tightening wheel, of the first protruding columns arranged on the box body, two ends of the first spring are respectively hooked on the two first protruding columns, and the first spring is in a stretching state all the time.

By adopting the technical scheme, the torsion spring can drive the tightening wheel to rotate towards one side of the tightening plate all the time until the tightening wheel is abutted on the tightening plate, and the first spring is in a stretching state and can also drive the gear box to rotate towards one side of the tightening plate; when the strapping is placed between the tightening wheel and the tightening plate, the tightening wheel and the tightening plate can always keep the strapping in the clamping state, and an operator does not need to press the tightening plate by the tightening wheel through the control handle all the time, so that the strapping can be conveniently tightened.

Preferably, the third driving piece comprises a movable block, an abutting block, a second spring and a first rod, wherein the second spring is arranged on the push plate and the base and is used for driving the push plate to always move towards one side of the baffle frame;

the movable block is connected to the machine base in a sliding manner along the direction perpendicular to the rotation axis of the rotating shaft, a first chute is formed in the movable block along the tightening direction parallel to the strapping tape, the first rod is fixed on the box body, the first rod is movably connected to the first chute along the length direction of the first chute, and the first rod is positioned on one side of the rotating shaft close to the output shaft of the reduction gearbox;

the butt piece sets up on the movable block lateral wall, can dismantle in the push pedal and be connected with the atress piece, the inclined plane has been seted up on the butt piece top surface, the inclined plane with push away the distance between the frame from being close to first pole one end to keeping away from first pole one end grow gradually, the atress piece is the butt all the time on the inclined plane.

Through adopting above-mentioned technical scheme, when operating personnel control handle makes the tight pulley move towards keeping away from tight board one side, first pole can drive the butt piece and move towards keeping away from tight board one side, and the inclined plane butt of butt piece is on the atress piece, can drive the atress piece and move towards keeping away from frame one side to drive the push pedal and keep away from the frame, can make things convenient for operating personnel to put into the strapping between tight pulley and the tight board.

Preferably, the first pole is located one side that the reducing gear box output shaft kept away from the take-up plate, the first pole is located one side that the reducing gear box output shaft kept away from the pivot, keep off the frame along being on a parallel with movable block's slip direction sliding connection on the frame, keep off the frame and seted up the second spout along being on a parallel with the length direction of first spout, the length direction swing joint of first pole along the second spout is in the second spout, makes the one end of take-up wheel butt strapping be the butt end, makes the one end that the frame was used for supplying the strapping butt be the spacing end, when take-up wheel and take-up plate clamp strapping, the spacing end is located one side that the butt end kept away from the take-up plate, and when take-up wheel removes to have the clearance that certain confession strapping was placed with the take-up plate, the spacing end is located one side that the butt end is close to the take-up plate.

Through adopting above-mentioned technical scheme, make the distance between pivot axis to the reducing gear box output shaft axis be L1, make pivot axis to first pole axis distance be L2, when L2 is greater than L1, the reducing gear box rotates the same angle around the pivot, first pole can be greater than the reducing gear box output shaft in the ascending high position variation of vertical direction, thereby make the motion of keeping off the frame and be formed with the speed differential between the motion of take-up pulley, thereby realize when take-up pulley and tightening plate clamp strapping, keep off the frame bottom and be located the below of take-up pulley, carry out spacingly to the strapping, when the strapping is loosened to the take-up pulley, keep off the frame bottom and be located the top of take-up pulley, do not lead to the fact the influence to placing and shifting out of strapping.

Preferably, the tightening device further comprises a second rod and a sliding block, wherein the second rod is fixed on the first rod and the sliding block, a certain distance is reserved between the first rod and the sliding block, the sliding block is located on one side of the output shaft of the reduction gearbox, which is far away from the tightening plate, the sliding block is located on one side of the first rod, which is close to the output shaft of the reduction gearbox, the sliding block is located on one side of the output shaft of the reduction gearbox, which is far away from the tightening plate, and the sliding block is located on one side of the output shaft of the reduction gearbox, which is far away from the rotating shaft, and is movably connected in the second sliding groove along the length direction of the second sliding groove.

Preferably, the welding cutting mechanism comprises an upper welding tooth, a lower welding tooth, a welding frame, a driving mechanism and a welding state conversion mechanism, wherein the lower welding tooth is arranged on the base, a first positioning groove is formed in the welding frame, the lower welding tooth is slidably connected in the first positioning groove, the driving mechanism drives the lower welding tooth to slide back and forth in the first positioning groove, the welding frame is movably connected on the base, and the welding state conversion mechanism is used for driving the welding frame to move on the base and enabling the upper welding tooth to switch between a welding position close to the lower welding tooth and a rest position far away from the lower welding tooth.

By adopting the technical scheme, the overlapping first part of the strapping tape is permanently connected in a hot melting mode when the upper teeth are welded and the strapping tape generates heat through friction, so that the packaging is completed.

Preferably, a plurality of ball grooves are formed in the upper edge of the upper wall of the welded lower tooth in a sliding direction parallel to the upper tooth, balls are hinged in the ball grooves, the top ends of the balls extend out of the ball grooves and are abutted to the upper wall of the first positioning groove, a first gap is reserved between the upper tooth and the upper wall of the first positioning groove, and a second gap is reserved between the side walls of the two sides of the upper tooth and the inner walls of the two sides of the first positioning groove.

By adopting the technical scheme, the contact area between the upper welding teeth and the first positioning groove can be reduced by arranging the first clearance and the balls, the abrasion between the upper welding teeth and the inner wall of the first positioning groove can be reduced, and the service life of the welding frame is prolonged; the tooth is gone up in the butt fusion and is pressing the gliding in-process of strapping, and the tooth is gone up in the butt fusion and the contact of strapping this face can have certain degree wearing and tearing, and the setting of second clearance can make the butt fusion go up the tooth and press the gliding in-process of strapping, and the tooth can carry out the rotation of a small circle on the butt fusion, carries out the self-adaptation, makes the butt fusion go up the tooth and can press on the strapping that the laminating is more, improves the welding effect.

The technical effects of the invention are mainly as follows:

1. according to the invention, the baffle frame and the push plate are arranged to limit the strapping tape to move along the length direction, namely the tightening direction, so that the two end parts of the annular strapping tape can be better overlapped, and the strength of the welded part of the strapping tape after welding is improved by increasing the contact area of the two end parts of the annular strapping tape;

2. according to the invention, the abutting block and the stress block are arranged, when the operator controls the handle to enable the tightening wheel to move towards the side far away from the tightening plate, the first rod drives the abutting block to move towards the side far away from the tightening plate, the inclined surface of the abutting block abuts against the stress block, and the stress block can be driven to move towards the side far away from the baffle frame, so that the push plate is driven to be far away from the baffle frame, and the operator can conveniently put the strapping tape between the tightening wheel and the tightening plate;

3. according to the invention, the distance L1 between the axis of the rotating shaft and the axis of the output shaft of the reduction gearbox is smaller than the distance L2 between the axis of the rotating shaft and the axis of the first rod, the reduction gearbox rotates by the same angle around the rotating shaft, and the change of the height position of the first rod in the vertical direction is larger than the change of the height position of the output shaft of the reduction gearbox in the vertical direction, so that a speed difference is formed between the movement of the baffle frame and the movement of the tightening wheel, and the bottom end of the baffle frame is positioned below the tightening wheel when the tightening wheel and the tightening plate clamp the strapping tape, so that the strapping tape is limited, and the bottom end of the baffle frame is positioned above the tightening wheel when the tightening wheel loosens the strapping tape, and no influence is caused on the placement and the removal of the strapping tape.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

FIG. 2 is a schematic view of the overall structure of the tightening mechanism according to the embodiment of the present application.

Fig. 3 is a schematic structural view of a reduction gear mechanism according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a stress block and an abutment block according to an embodiment of the present application.

Fig. 5 is a schematic structural view of a welding and cutting mechanism according to an embodiment of the present application.

Fig. 6 is a cross-sectional view taken along line A-A of fig. 6.

Fig. 7 is a schematic structural diagram of the first seat limited by the pressing block according to the embodiment of the present application.

Reference numerals illustrate: 1. a welding and cutting mechanism; 11. welding upper teeth; 12. welding the lower teeth; 121. a ball groove; 122. a ball; 13. a welding frame; 131. a first positioning groove; 132. a second positioning groove; 133. a cutting knife; 14. a first gap; 15. a second gap; 16. hiding the groove; 2. a driving mechanism; 21. an eccentric wheel; 22. a second motor; 23. a connecting rod; 3. a welding state switching mechanism; 31. swing rod; 311. an arc-shaped groove; 32. a pressing member; 321. a first seat; 3211. an arc surface; 3212. a recessed region; 322. a third spring; 323. pressing the blocks; 324. abutting blocks; 325. a collar; 326. a fourth spring; 33. a lifting member; 331. a tension spring; 332. a second post; 34. a handle; 4. a tightening mechanism; 41. a pinch roller; 411. an auxiliary shaft; 412. an abutment end; 42. a tightening plate; 43. a baffle frame; 431. a second through slot; 432. a limiting end; 44. a push plate; 441. a guide rod; 45. a stress block; 5. a first driving member; 52. a rotating shaft; 53. a handle; 54. a torsion spring; 55. a first spring; 56. a first post; 57. a second driving member; 571. a first motor; 6. a reduction gearbox; 61. a case; 62. an input shaft; 63. an output shaft; 64. a speed reduction transmission mechanism; 65. a gear; 66. a scroll rod; 67. a turbine; 7. a third driving member; 71. a movable block; 711. a first chute; 72. an abutment block; 721. an inclined surface; 73. a first lever; 731. a second lever; 732. a slide block; 74. a second spring; 8. a base; 81. arc through grooves; 82. a normally open switch; 83. a normally closed switch.

Detailed Description

The following is a further detailed description of the present application with reference to fig. 1-7, so that the technical solutions of the present application may be more easily understood and mastered.

The embodiment of the application discloses a packer.

Referring to fig. 1 to 4, a packer of the present embodiment includes a base 8, and a tightening mechanism 4 and a welding and cutting mechanism 1 provided on the base 8, the tightening mechanism 4 being for tightening an annular strapping tape, the welding and cutting mechanism 1 being for welding stacked strapping tapes and cutting off an unnecessary portion of the strapping tape.

Referring to fig. 1-4, the tightening mechanism 4 includes a tightening wheel 41, a tightening plate 42, a first driving member 5 and a second driving member 57, the tightening plate 42 is fixed on the base 8, the tightening wheel 41 is movably connected to the base 8 along a side away from the tightening plate 42 to a side close to the tightening plate 42, and the first driving member 5 drives the tightening wheel 41 to move on the base 8. The second driving member 57 drives the take-up pulley 41 to rotate, and the take-up pulley 41 and the take-up plate 42 are respectively located on both sides in the thickness direction of the strapping tape and are used for jointly clamping the strapping tape.

Referring to fig. 1 to 4, the first driving member 5 includes a reduction gearbox 6, a rotating shaft 52 and a handle, the second driving member 57 includes a reduction gearbox 6 and a first motor 571, the reduction gearbox 6 in the first driving member 5 and the reduction gearbox 6 in the second driving member 57 are the same reduction gearbox 6, the reduction gearbox 6 includes a box body 61, an input shaft 62, an output shaft 63 and a reduction transmission mechanism 64, the input shaft 62 and the output shaft 63 are both rotatably connected to the box body 61, and the reduction transmission mechanism 64 is used for reducing the rotation speed of the input shaft 62 and then transmitting the rotation speed to the output shaft 63. The rotating shaft 52 is penetrated and rotatably connected to the box body 61 of the reduction gearbox 6, the rotating shaft 52 is rotatably connected to the machine base 8, and the handle is fixed on the box body 61 for driving the box body 61 to rotate around the rotating shaft 52. The first motor 571 is fixed on the box 61 and coaxially fixed on the input shaft 62 of the reduction gearbox 6, the tightening wheel 41 is coaxially fixed with an auxiliary shaft 411, the diameter of the auxiliary shaft 411 is smaller than that of the tightening wheel 41, the auxiliary shaft 411 is coaxially fixed on the output shaft 63 of the reduction gearbox 6, the machine base 8 is provided with arc-shaped through grooves 81 for the auxiliary shaft 411 to move, the reduction gearbox 6 and the tightening wheel 41 are respectively located on two sides of the arc-shaped through grooves 81, the auxiliary shaft 411 penetrates through and is movably connected in the arc-shaped through grooves 81 by taking the rotating shaft 52 as an axle center, and the axial direction of the rotating shaft 52 is parallel to the rotating axial direction of the tightening wheel 41.

Referring to fig. 1-4, in the following embodiments of the present application, taking a normal use state of the packer as an example, the bottom surface of the stand 8 is generally placed on a nearly horizontal placement surface for use, and the tightening wheel 41 and the tightening plate 42 are respectively located on the upper and lower sides of the gripped strapping tape for clamping the strapping tape. The direction of the rotation axis of the pinch roller 41 is parallel to the plane of the placement surface. The tightening direction of the strapping is perpendicular to the direction of the axis of rotation of the tightening wheel 41, and the tightening direction of the strapping is also approximately parallel to the plane of the placement surface.

Referring to fig. 1-4, the first motor 571 can drive the tightening wheel 41 to rotate through the reduction gearbox 6, an operator drives the reduction gearbox 6 to rotate around the rotating shaft 52 by applying force on the handle 53, then drives the tightening wheel 41 to move, when the tightening wheel 41 rotates towards the side far away from the tightening plate 42, the annular strapping tape can enter between the tightening wheel 41 and the tightening plate 42, then rotates the tightening wheel 41 towards the side far away from the tightening plate 42, the tightening wheel 41 is abutted to the tightening plate 42, and then the tightening wheel 41 rotates to drive the annular strapping tape to tighten.

Referring to fig. 1 to 4, the reduction gear mechanism 64 includes a plurality of gears 65 of different diameters, a worm 66 and a worm wheel 67, the plurality of gears 65 of different diameters being combined and engaged, and the input shaft 62 of the reduction gearbox 6 is fixedly connected coaxially with the small diameter gear 65 in the initial transmission position. The worm 66 is coaxially and fixedly connected to the large diameter gear 65 at the end position, the worm wheel 67 is positioned below the worm 66 and is engaged with and connected to the first worm wheel 67, and the output shaft 63 of the reduction gearbox 6 is coaxially and fixedly connected to the worm wheel 67. Turbine 67 can be special construction's helical tooth, through setting up vortex rod 66 and the turbine 67 of upper and lower structure, can make things convenient for the change and the installation of vortex rod 66 and turbine 67, reduces the thickness of box 61 simultaneously, increases the compact structure of baling press.

Referring to fig. 1-4, the first driving member 5 further includes a torsion spring 54, a first spring 55, and two first bosses 56, where the torsion spring 54 is mounted on the rotating shaft 52 and always drives the rotating shaft 52 to rotate toward the side of the tightening wheel 41 near the tightening plate 42, the two first bosses 56 are respectively fixed on the base 8 and the case 61, the first bosses 56 disposed on the base 8 are located above the first bosses 56 disposed on the case 61, two ends of the first spring 55 are respectively bent to form a hook shape and are hooked on the two first bosses 56, and the first spring 55 is always in a stretched state.

Referring to fig. 1 to 4, the torsion spring 54 can drive the take-up wheel 41 to rotate toward the take-up plate 42 until the first spring 55 is in a stretched state and can also drive the gear 65 case to rotate toward the take-up plate 42; when the strapping tape is placed between the tightening wheel 41 and the tightening plate 42, the tightening wheel 41 and the tightening plate 42 can always keep the strapping tape clamped, and an operator does not need to press the tightening wheel 41 to the tightening plate 42 through the control handle 53 all the time, so that the strapping tape can be conveniently tightened.

Referring to fig. 1 to 4, the tightening mechanism 4 further includes a blocking frame 43, a push plate 44, and a third driving member 7, in order to facilitate the placement of the strapping tape in a ring shape between the tightening wheel 41 and the tightening plate 42 from the side, the blocking frame 43 is slidably connected to the housing 8 along an axial direction perpendicular to the rotation shaft 52 and a tightening direction of the strapping tape. In order to limit the strapping between the take-up wheel 41 and the take-up plate 42, the push plate 44 is slidably connected to the frame 8 along an axis direction parallel to the rotating shaft 52, the stop frame 43 and the push plate 44 are respectively located at two sides of the strapping direction, and the push plate 44 is used for pushing the strapping to abut against the stop frame 43.

Referring to fig. 1 to 4, before the tightening wheel 41 presses the strapping tape against the tightening plate 42, the push plate 44 is driven to abut the strapping tape against the blocking frame 43, the blocking frame 43 and the push plate 44 limit the movement of the strapping tape in the longitudinal direction, that is, the tightening direction, so that the two ends of the annular strapping tape can be better overlapped together, and when the welding and cutting mechanism 1 performs the friction heat melting butt joint operation on the strapping tape, the two ends of the annular strapping tape can be always overlapped together, and the strength of the welded joint of the strapping tape is improved by increasing the contact area of the two ends of the annular strapping tape.

Referring to fig. 1 to 4, the third driving member 7 includes a movable block 71, an abutment block 72, a first lever 73 and two second springs 74, the movable block 71 is slidably connected to the housing 8 in a sliding direction parallel to the retainer 43, the first lever 73 is fixed to the case 61 of the reduction gearbox 6, a length direction of the first lever 73 is parallel to an axial direction of the rotating shaft 52, one end of the first lever 73 extends out of the case 61 toward one end of the pinch roller 41, the first lever 73 is located at one side of the rotating shaft 52 of the pinch roller 41, and the first lever 73 is located above the pinch roller 41 and the housing 8. The top end of the movable block 71 is provided with a first sliding groove 711 along a tightening direction parallel to the strapping tape, and the first rod 73 is penetrated and movably connected to the first sliding groove 711 along a length direction of the first sliding groove 711.

Referring to fig. 1 to 4, the push plate 44 is located at one side of the arc-shaped through groove 81 near the tightening wheel 41, two guide rods 441 are fixed on the push plate 44, one end of each guide rod 441 is fixed on the push plate 44, the guide rods 441 penetrate through and are slidably connected to the machine base 8 along a sliding direction parallel to the push plate 44, the push plate 44 is slidably connected to the machine base 8 through the two guide rods 441, and the two guide rods 441 are sequentially distributed along the tightening direction of the strapping tape. One end of the guide rod 441 away from the push plate 44 is located at one side of the arc-shaped through groove 81 away from the tightening wheel 41, and two guide rods 441 are respectively located at two sides of the movable block 71 and are used for limiting the sliding of the movable block 71.

Referring to fig. 1-4, the end of the guide rod 441 away from the push plate 44 is detachably provided with a stress block 45, two guide rods 441 are fixed on the same stress block 45, the guide rod 441 penetrates through the stress block 45, and the end of the guide rod 441 extending out of the stress block 45 is provided with a clamp or a fan-shaped clamp block to prevent the stress block 45 from moving towards the side away from the push plate 44. The bottom end of the movable block 71 is fixed with an abutment block 72, an inclined surface 721 is formed on the top surface of the abutment block 72, and the distance from the top end to the bottom end of the inclined surface 721 to the push plate 44 gradually increases. The two second springs 74 are respectively sleeved on the two guide rods 441, the second springs 74 are positioned on one side of the arc-shaped through groove 81 close to the tightening wheel 41, two ends of each second spring 74 are respectively abutted on the machine base 8 and the push plate 44, and the second springs 74 are always in a compressed state. The stress block 45 is arranged in a semicircular column, the stress block 45 is positioned above the abutting block 72, and the cambered surface of the stress block 45 always abuts against the inclined surface 721.

Referring to fig. 1-4, when the operator controls the handle 53 to move the tightening wheel 41 toward the side away from the tightening plate 42, the first lever 73 drives the abutment block 72 to move toward the side away from the tightening plate 42, and the inclined surface 721 of the abutment block 72 abuts against the force-receiving block 45, so that the force-receiving block 45 can be driven to move toward the side away from the baffle frame 43, thereby driving the push plate 44 away from the baffle frame 43, and being convenient for the operator to put the strapping between the tightening wheel 41 and the tightening plate 42.

Referring to fig. 1 to 4, the top end of the blocking frame 43 is provided with a second sliding groove along a length direction parallel to the first sliding groove 711, the end of the first rod 73 extending out of the first sliding groove 711 is fixed with a second rod 731, one end of the second rod 731 is fixed on the end of the first rod 73, the other end of the second rod 731 is fixed with a slider 732, the length direction of the second rod 731 is perpendicular to the length direction of the first rod 73, and when the tightening wheel 41 rotates to abut against the tightening plate 42, the height position of the slider 732 is located between the height position of the first rod 73 and the height position of the auxiliary shaft 411, and meanwhile the slider 732 is also located on one side of the auxiliary shaft 411 away from the rotating shaft 52. The slider 732 is formed by a bolt end screwed on the first rod 73, the axial direction of the slider 732 is parallel to the axial direction of the rotating shaft 52, and the slider 732 penetrates and is slidably connected to the second chute along the length direction of the second chute.

Referring to fig. 1-4, the end of the tightening wheel 41 abutting against the strapping tape is an abutting end 412, the bottom end of the blocking frame 43 is a limiting end 432, when the tightening wheel 41 and the tightening plate 42 clamp the strapping tape, the limiting end 432 is located below the abutting end 412, and when the tightening wheel 41 moves to a certain gap with the tightening plate 42 for placing the strapping tape, the limiting end 432 is located above the abutting end 412.

Referring to fig. 1-4, the distance from the axis of the rotating shaft 52 to the axis of the output shaft 63 of the reduction gearbox 6 is L1, the distance from the axis of the rotating shaft 52 to the axis of the sliding block 732 is L2, when L2 is greater than L1, the reduction gearbox 6 rotates around the rotating shaft 52 by the same angle, the change of the height position of the first rod 73 in the vertical direction is greater than the change of the height position of the output shaft 63 of the reduction gearbox 6 in the vertical direction, so that a speed difference is formed between the movement of the baffle frame 43 and the movement of the tightening wheel 41, thereby realizing that when the tightening wheel 41 and the tightening plate 42 clamp the strapping, the bottom end of the baffle frame 43 is positioned below the tightening wheel 41 to limit the strapping, and when the tightening wheel 41 releases the strapping, the bottom end of the baffle frame 43 is positioned above the tightening wheel 41 without affecting the placement and the removal of the strapping.

Referring to fig. 1-4, the blocking frame 43 is irregularly shaped, three blocking feet are formed by forking the blocking frame 43 from the top to the bottom, and the three blocking feet are sequentially distributed along the tightening direction of the strapping tape, wherein the blocking feet at the two ends are respectively positioned at two sides of the stand 8, and when the tightening wheel 41 and the tightening plate 42 clamp the strapping tape, the bottom of the blocking foot is positioned below the upper bottom surface of the stand 8, so that strapping tapes at different positions can be abutted.

Referring to fig. 1-4, a normally closed switch 83 is fixed on the stand 8, the normally closed switch 83 is located below the second rod 731, when the tightening wheel 41 and the tightening plate 42 clamp the strapping, the second rod 731 abuts against the normally closed switch 83, and the normally closed switch 83 can control the start of the tightening wheel 41. When the second lever 731 is not abutted against the normally open switch 82, the take-up wheel 41 cannot be rotated.

Referring to fig. 5 to 7, the welding and cutting mechanism 1 is used to weld the stacked straps and cut off the excess strap. The welding cutting mechanism 1 comprises an upper welding tooth 11, a lower welding tooth 12, a welding frame 13, a driving mechanism 2 and a welding state switching mechanism 3, wherein the lower welding tooth 12 is fixed on the base 8, the welding frame 13 is movably connected on the base 8 and is located above the lower welding tooth 12, a first positioning groove 131 is formed in the bottom surface of the welding frame 13, the lower welding tooth 12 is slidably connected in the first positioning groove 131, and the driving mechanism 2 drives the lower welding tooth 12 to slide back and forth in the first positioning groove 131. The welding state switching mechanism 3 is used for driving the welding frame 13 to move on the base 8 and switching the welding upper teeth 11 between a welding position close to the welding lower teeth 12 and a rest position far from the welding lower teeth 12.

Referring to fig. 5 to 7, the overlapping portion of the strapping tape is placed between the welding upper teeth 11 and the welding lower teeth 12, and the welding state switching mechanism 3 drives the welding frame 13 to move to the welding position, and when the welding upper teeth 11 are located at the welding position, the sliding direction of the welding upper teeth 11 is parallel to the width direction of the strapping tape. The upper welding teeth 11 tightly support the strapping tape on the lower welding teeth 12, then the driving mechanism 2 continuously drives the upper welding teeth 11 to slide back and forth, friction occurs between the upper welding teeth 11 and the strapping tape, and the overlapped strapping tapes are fused and fixed together by friction heat generation.

Referring to fig. 5 to 7, two ball grooves 121 are formed in the top wall of the welding lower teeth 12, the two ball grooves 121 are sequentially distributed along the sliding direction of the welding lower teeth 12 in the first positioning groove 131, balls 122 are hinged in the ball grooves 121, more than one half of the balls 122 are located in the ball grooves 121, and the top ends of the balls 122 extend out of the ball grooves 121. The top wall of the first positioning groove 131 is provided with a second positioning groove 132 along the sliding direction parallel to the welding upper teeth 11, the top end of the ball 122 extends out of the ball groove 121 and is abutted on the inner wall of the second positioning groove 132, and the ball 122 is movably connected in the second positioning groove 132 along the length direction of the second positioning groove 132. A first gap 14 is reserved between the top wall of the upper welding tooth 11 and the top wall of the first positioning groove 131, and a second gap 15 is reserved between the side walls of the two sides of the upper welding tooth 11 and the inner walls of the two sides of the first positioning groove 131.

Referring to fig. 5-7, when the driving mechanism 2 drives the welding lower teeth 12 to slide back and forth in the first positioning groove 131, the balls 122 abut against the top wall of the first positioning groove 131 to slide, so that the top wall of the welding upper teeth 11 cannot contact with the top wall of the first positioning groove 131, the contact area between the welding upper teeth 11 and the first positioning groove 131 can be reduced, the abrasion between the welding upper teeth 11 and the inner wall of the first positioning groove 131 can be reduced, and the service life of the welding frame 13 is prolonged.

Referring to fig. 5 to 7, the welding upper teeth 11 are worn to a certain extent on the surface where the welding upper teeth 11 contact the strapping tape in the process of pressing the strapping tape to slide, and the second gap 15 is provided to enable the welding upper teeth 11 to rotate in a small range in the process of pressing the welding upper teeth 11 to slide the strapping tape, so as to perform self-adaptation, enable the welding upper teeth 11 to be pressed on the strapping tape more closely, and improve the welding effect.

Referring to fig. 5 to 7, the driving mechanism 2 includes an eccentric wheel 21, a second motor 22 and a connecting rod 23, the second motor 22 is fixed on the base 8, an output shaft 63 of the second motor 22 is fixed on the eccentric wheel 21 and is coaxially arranged with an eccentric shaft of the eccentric wheel 21, a first groove for moving the eccentric wheel 21 is formed at one end of the connecting rod 23, the eccentric wheel 21 is rotatably connected in the first groove, and the other end of the connecting rod 23 is hinged at one end of the welding upper teeth 11 along a direction parallel to a rotation axis of the eccentric wheel 21. The rotation axis direction of the eccentric wheel 21 is parallel to the plane direction of the welding lower teeth 12, and the rotation axis direction of the eccentric wheel 21 is also perpendicular to the sliding direction of the welding upper teeth 11 in the first positioning groove 131.

Referring to fig. 5 to 7, by driving the first and second motors 22 to rotate, the first and second motors 22 drive the eccentric wheels 21 to rotate, and then the eccentric wheels 21 drive the connecting rods 23 to move, and the connecting rods 23 drive the upper welding teeth 11 to slide in the first positioning grooves 131.

Referring to fig. 5 to 7, the welding state switching mechanism 3 includes a swing link 31, a pressing piece 32, and a lifting piece 33, one end of the swing link 31 is rotatably connected to the base 8 in a direction parallel to the rotation axis of the eccentric wheel 21, and the other end of the swing link 31 is detachably connected to the welding frame 13. The swing rod 31 is positioned above the welding frame 13, and the end part of the swing rod 31 hinged with the frame is positioned between the eccentric wheel 21 and the welding frame 13 and is close to the eccentric wheel 21. The pressing piece 32 is used for driving the swing rod 31 or the welding frame 13 to move towards the side of the welding lower teeth 12 to the welding position, and the lifting piece 33 is used for driving the swing rod 31 or the welding frame 13 to move towards the side away from the welding lower teeth 12 to the rest position.

Referring to fig. 5 to 7, the swing link 31 plays a certain role in limiting the movement of the welding frame 13, and the position of the welding frame 13 can be changed by changing the position of the swing link 31, so that the welding frame 13 can be conveniently moved to the welding position or the rest position.

Referring to fig. 5 to 7, the pressing member 32 includes a first seat 321, a third spring 322, and a pressing block 323, the first seat 321 is rotatably connected to the frame, the first seat 321 is located above the swing link 31, and the rotation axis direction of the first seat 321 is parallel to the plane direction of the welding lower teeth 12 and is also perpendicular to the rotation axis direction of the eccentric wheel 21. The first base 321 is fixedly provided with a handle 34 for applying force by a hand, and the top end of the pressing block 323 is connected to the first base 321 in a sliding manner along a direction perpendicular to the rotation axis of the first base 321. The outer wall of the pressing block 323 is fixedly sleeved with a collar 325, the third spring 322 is positioned above the collar 325 and sleeved outside the pressing block 323, and the upper end and the lower end of the third spring 322 are respectively fixed on the first seat 321 and the collar 325.

Referring to fig. 5 to 7, the operator rotates the pressing block 323 toward the swing link 31 side by rotating the handle 34 until the pressing block 323 abuts on the swing link 31, and the third spring 322 drives the pressing block 323 to press on the swing link 31 so that the welding upper teeth 11 can abut on the strapping tape.

Referring to fig. 5-7, an arc groove 311 is formed on the top surface of the swing rod 31, the axial direction of the arc groove 311 is parallel to the rotation axis direction of the first seat 321, the bottom end of the pressing block 323 is arranged in an arc protrusion matched with the arc groove 311, when the first seat 321 rotates until the bottom end of the pressing block 323 is positioned in the arc groove 311 and is abutted on the bottom wall of the arc groove 311, the sliding direction of the pressing block 323 is perpendicular to the axis direction of the eccentric wheel 21, and the pressing block 323 is vertically abutted on the swing rod 31.

Referring to fig. 5 to 7, when the first seat 321 is rotated until the end of the pressing block 323 enters the arc groove 311, the end of the pressing block 323 can be restrained in the arc groove 311 without an external force, and even if the operator releases the handle 34, the pressing block 323 can maintain the state of pressing the swing link 31, and the operator does not need to control the handle 34 all the time.

Referring to fig. 5-7, the pressing member 32 further includes a pushing block 324 and a fourth spring 326, two arc surfaces 3211 protruding outwards are provided on the outer wall of the first seat 321, the axis of the arc surfaces 3211 is parallel to the rotation axis direction of the first seat 321, a concave area 3212 is formed at the joint between the two arc surfaces 3211, a hidden groove 16 is provided on the base 8 along the axis direction parallel to the eccentric wheel 21, the pushing block 324 is slidably connected in the hidden groove 16 along the depth direction of the hidden groove 16, the fourth spring 326 is located in the hidden groove 16, two ends of the fourth spring 326 are respectively abutted on the bottom wall of the hidden groove 16 and the pushing block 324, the fourth spring 326 is always in a compressed state, and one end of the pushing block 324 extends out of the hidden groove 16 and is always abutted on the arc surfaces 3211. The end of the abutting block 324 close to the arc-shaped surface 3211 is conical, and the end of the abutting block 324 close to the arc-shaped surface 3211 is provided with an arc-shaped surface, i.e. the conical end is round and not sharp. When the first seat 321 rotates to the bottom end of the pressing block 323 to enter the arc-shaped groove 311, the end of the abutting block 324 is located in the concave area 3212.

Referring to fig. 5 to 7, when the first seat 321 rotates until the end of the abutment 324 abuts against the recess 3212, the end of the abutment 324 can be restrained in the recess 3212 without external force, and even if the operator releases the handle 34, the pressing block 323 can maintain the state of pressing the swing link 31, and the operator does not need to control the handle 34 all the time.

Referring to fig. 5-7, the lifting member 33 includes a tension spring 331, the second protruding columns 332 are fixed on the base 8 and the swing rod 31, the second protruding columns 332 on the base 8 are located above the second protruding columns 332 on the swing rod 31, two ends of the tension spring 331 are hooked on the two second protruding columns 332 respectively, and the tension spring 331 is in a tension state all the time.

Referring to fig. 5 to 7, when the pressing block 323 no longer presses the swing link 31, the tension spring 331 can pull up the swing link 31, so that the welding upper teeth 11 move toward the side away from the welding lower teeth 12, and the strapping tape is conveniently taken out.

Referring to fig. 5 to 7, the welding frame 13 is detachably connected with a cutter 133 by a bolt, the cutter 133 is disposed near the welding upper teeth 11, and the cutter 133 is used to cut the strapping tape above. When the welding upper teeth 11 continuously move back and forth, the welding frame 13 also can vibrate at a certain frequency, so that the cutting knife 133 is driven to continuously rub with the strapping tape above, and the strapping tape is cut.

Referring to fig. 2 and 7, the base 8 is provided with a normally open switch 82, the normally open switch 82 is located on one side of the first base 321 near the abutting block 324, when the upper welding tooth 11 is located at the rest position, the first base 321 abuts against the normally open switch 82, and the normally open switch 82 controls the second motor 22 to stop running.

Of course, the foregoing is merely exemplary of the application, and other embodiments of the application are possible, and all modifications and equivalents of the application are intended to fall within the scope of the application.

Claims (8)

1. The utility model provides a baling press, includes frame (8) and mechanism tightening mechanism (4) and butt fusion shutdown mechanism (1) of setting on frame (8), tightening mechanism (4) are used for tightening up annular strapping, butt fusion shutdown mechanism (1) are used for butt fusion to stack the strapping together and cut off unnecessary part strapping, its characterized in that: the tightening mechanism (4) comprises a tightening wheel (41), a tightening plate (42), a first driving piece (5) and a second driving piece (57), wherein the tightening plate (42) is fixed on the machine base (8), the tightening wheel (41) is movably connected to the machine base (8) along the side far away from the tightening plate (42) and the side close to the tightening plate (42), the first driving piece (5) drives the tightening wheel (41) to move on the machine base (8), the second driving piece (57) drives the tightening wheel (41) to rotate, and the tightening wheel (41) and the tightening plate (42) are respectively positioned on two sides of the thickness direction of the strapping tape and are used for clamping the strapping tape together;

still include fender frame (43), push pedal (44) and third driving piece (7), fender frame (43) set up on frame (8), push pedal (44) are along being close to fender frame (43) one side to keeping away from fender frame (43) one side sliding connection on frame (8), third driving piece (7) drive push pedal (44) slide, fender frame (43) and push pedal (44) are located the both sides of strapping width direction respectively, push pedal (44) are used for promoting strapping butt on fender frame (43).

2. A baler according to claim 1, characterised in that: the first driving piece (5) comprises a reduction gearbox (6), a rotating shaft (52) and a handle, the second driving piece (57) comprises the reduction gearbox (6) and a first motor (571), the reduction gearbox (6) in the first driving piece (5) and the reduction gearbox (6) in the second driving piece (57) are the same reduction gearbox (6), the reduction gearbox (6) comprises a box body (61), an input shaft (62), an output shaft (63) and a reduction transmission mechanism (64), the input shaft (62) and the output shaft (63) are all rotationally connected on the box body (61), the reduction transmission mechanism (64) is used for transmitting the rotation speed of the input shaft (62) to the output shaft (63) after being reduced, the handle is arranged on the box body (61), the rotating shaft (52) is arranged on the box body (61) in a penetrating and rotating mode and connected on a machine base (8), the first motor (571) is arranged on the box body (61) in a coaxial mode and is fixed on the rotating shaft (61) in the direction of tightening the rotation shaft (41) of the reduction gearbox (6), and the rotating shaft (62) is fixed on the rotating shaft (41) in the coaxial direction of the rotation shaft (41).

3. A baler according to claim 2, characterised in that: the first driving piece (5) further comprises a torsion spring (54), a first spring (55) and two first convex columns (56), the torsion spring (54) is arranged on the rotating shaft (52) and drives the rotating shaft (52) to rotate towards one side of the tightening wheel (41) close to the tightening plate (42) all the time, the two first convex columns (56) are respectively arranged on the base (8) and the box body (61), the first convex columns (56) arranged on the base (8) are located on one side of the first convex columns (56) arranged on the box body (61) close to the tightening wheel (41), two ends of the first spring (55) are respectively hooked on the two first convex columns (56), and the first spring (55) is in a stretching state all the time.

4. A baler according to claim 2, characterised in that: the third driving piece (7) comprises a movable block (71), an abutting block (72), a second spring (74) and a first rod (73), wherein the second spring (74) is arranged on the push plate (44) and the base (8) and is used for driving the push plate (44) to always move towards one side of the baffle frame (43);

the movable block (71) is connected to the machine base (8) in a sliding manner along the direction perpendicular to the rotation axis of the rotating shaft (52), a first sliding groove (711) is formed in the movable block (71) along the tightening direction parallel to the strapping tape, the first rod (73) is fixed on the box body (61), the first rod (73) is movably connected to the first sliding groove (711) along the length direction of the first sliding groove (711), and the first rod (73) is positioned on one side, close to the output shaft (63) of the reduction gearbox (6), of the rotating shaft (52);

the supporting block (72) is arranged on the outer side wall of the movable block (71), the push plate (44) is detachably connected with the force receiving block (45), the top surface of the supporting block (72) is provided with the inclined surface (721), the distance between the inclined surface (721) and the pushing frame gradually increases from one end close to the first rod (73) to one end far away from the first rod (73), and the force receiving block (45) is always in butt connection with the inclined surface (721).

5. A baler according to claim 4, characterised in that: the first rod (73) is positioned at one side of the output shaft (63) of the reduction gearbox (6) far away from the tightening plate (42), the first rod (73) is positioned at one side of the output shaft (63) of the reduction gearbox (6) far away from the rotating shaft (52), the baffle frame (43) is connected onto the machine base (8) in a sliding mode along a sliding direction parallel to the movable block (71), the baffle frame (43) is provided with a second sliding groove along a length direction parallel to the first sliding groove (711), the first rod (73) is movably connected into the second sliding groove along the length direction of the second sliding groove, let take-up pulley (41) butt strapping one end be butt end (412), let the one end that keeps off frame (43) are used for supplying the strapping butt be spacing end (432), when take-up pulley (41) and take-up plate (42) press from both sides tight strapping, spacing end (432) are located one side that take-up plate (42) was kept away from to butt end (412), when take-up pulley (41) remove to have the clearance that supplies the strapping to place with take-up plate (42), spacing end (432) are located one side that butt end (412) are close to take-up plate (42).

6. A baler according to claim 5, wherein: still include second pole (731) and slider (732), second pole (731) is fixed on first pole (73) and on slider (732), leave certain distance between first pole (73) and slider (732), slider (732) are located one side that tightening plate (42) was kept away from in reducing gear box (6) output shaft (63), slider (732) are located one side that first pole (73) are close to reducing gear box (6) output shaft (63), slider (732) are located one side that reducing gear box (6) output shaft (63) are kept away from tightening plate (42), slider (732) are located one side that reducing gear box (6) output shaft (63) are kept away from pivot (52), slider (732) are along the length direction swing joint of second spout in the second spout.

7. A baler according to claim 1, characterised in that: the utility model provides a welding shutdown mechanism (1) is including tooth (11), welding lower tooth (12), welding frame (13), actuating mechanism (2) and welding state conversion mechanism (3) on the welding, tooth (12) set up on frame (8) under the welding, first constant head tank (131) have been seted up on welding frame (13), tooth (12) sliding connection under the welding is in first constant head tank (131), tooth (12) make a round trip to slide under actuating mechanism (2) drive welding in first constant head tank (131), welding frame (13) swing joint is on frame (8), welding state conversion mechanism (3) are used for driving welding frame (13) activity and make on frame (8) switch between the welding position that is close to tooth (12) under the welding and the rest position that keeps away from tooth (12) under the welding.

8. A baler according to claim 7, characterised in that: a plurality of ball grooves (121) are formed in the top wall of the welding lower tooth (12) along the sliding direction parallel to the welding upper tooth (11), balls (122) are hinged in the ball grooves (121), the top ends of the balls (122) extend out of the ball grooves (121) and are abutted to the top wall of the first positioning groove (131), a first gap (14) is reserved between the welding upper tooth (11) and the top wall of the first positioning groove (131), and a second gap (15) is reserved between the side walls of the two sides of the welding upper tooth (11) and the inner walls of the two sides of the first positioning groove (131).