CN212829540U - Exhaust device for packaging machine - Google Patents

Abstract

The utility model relates to an exhaust device for a packaging machine, which comprises a lifting mechanism, a mounting frame, an upper conveying mechanism and a lower conveying mechanism, wherein the mounting frame comprises a first mounting piece, a second mounting piece and a connecting rod; the mounting frame is fixed on a lifting seat of the lifting mechanism through 2 fixing bolts, wherein one fixing bolt penetrates through a first through hole of the first mounting piece and is locked into a first mounting screw hole of the lifting seat, and the other fixing bolt penetrates through a second through hole of the first mounting piece and is locked into a second mounting screw hole of the lifting seat; an upper transmission frame of the upper transmission mechanism is fixed on a second mounting piece of the mounting frame, and an upper working section is formed on an upper transmission belt of the upper transmission mechanism; a lower working section is formed on a lower conveying belt of the lower conveying mechanism, and a clamping and exhausting space is formed between the lower working section and the upper working section. The utility model has the characteristics of simple structure, design science, low in production cost, convenient operation, can avoid article to take place the displacement in exhaust process to improve production efficiency etc.

Description

Exhaust device for packaging machine

Technical Field

The utility model relates to a packagine machine technical field, especially an exhaust apparatus for packagine machine.

Background

At present, in a packaging machine for packaging some soft sheet-shaped or nearly sheet-shaped articles such as masks and clothes, an exhaust device is generally arranged to extrude air in a packaging bag during the packaging process, so as to conveniently carry and store the packaged articles. At present, exhaust apparatus includes exhaust support, pushes down a bag roller and goes up and press a bag roller in the market, pushes down a bag roller horizontal rotation and connects on exhaust support, goes up and presses a bag roller level setting in the top of pushing down a bag roller, goes up and presses bag roller both ends symmetry to be provided with the lifter plate, goes up and presses bag roller both ends horizontal rotation and connects in the lifter plate, is provided with exhaust lifting screw on the lifter plate, and exhaust lifting screw is vertical to pass exhaust support and lifter plate threaded connection. The exhaust apparatus of structure like this passes under between bag roller and last bag roller along with wrapping bag in the use, makes bag roller and last bag roller cooperation down press it and carry out the clamp pressure and realize the exhaust, but the exhaust apparatus of structure like this when in-service use, article can slide in the wrapping bag under exhaust apparatus's effect to article can not set up in the wrapping bag uniformly, this has seriously influenced subsequent heat-seal cutting process, and the production efficiency is reduced, can not satisfy the needs of production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust apparatus for packagine machine, this exhaust apparatus for packagine machine have simple structure, design science, low in production cost, convenient operation, can avoid article to take place the displacement in exhaust process to improve advantages such as production efficiency.

The technical scheme of the utility model is realized like this: the utility model provides an exhaust apparatus for packagine machine, its characterized in that includes elevating system, mounting bracket, goes transport mechanism and lower transport mechanism, wherein: the lifting mechanism comprises a lifting frame and a lifting seat capable of lifting up and down on the lifting frame, and a first mounting screw hole and a second mounting screw hole are formed on one vertical surface of the lifting seat; the lifting frame is arranged beside the lower conveying mechanism; the mounting frame comprises a first mounting piece, a second mounting piece and a connecting rod, wherein the connecting rod connects the first mounting piece and the second mounting piece together, the first mounting piece and the second mounting piece are opposite and parallel to each other, a first through hole and a second through hole are formed in the first mounting piece, the first through hole and the second through hole penetrate through 2 opposite vertical surfaces of the first mounting piece, the second through hole is an arc-shaped hole, and the circle center of the second through hole is concentric with that of the first through hole; the mounting frame is fixed on the lifting seat through 2 fixing bolts, wherein one fixing bolt penetrates through a first through hole of the first mounting piece and is locked into a first mounting screw hole of the lifting seat, and the other fixing bolt penetrates through a second through hole of the first mounting piece and is locked into a second mounting screw hole of the lifting seat; the upper conveying mechanism is positioned above the lower conveying mechanism and comprises an upper conveying frame and an upper conveying belt arranged on the upper conveying frame, the upper conveying frame is fixed on the second mounting piece of the mounting frame, an upper working section is formed on the upper conveying belt, and the conveying direction of the upper working section is parallel to the length direction of the second mounting piece and the length direction of the first mounting piece; the lower conveying mechanism comprises a lower transmission frame and a lower conveying belt arranged on the lower transmission frame, a lower working section is formed on the lower conveying belt, the lower working section of the lower conveying belt and the upper working section of the upper conveying belt are oppositely arranged, the conveying direction of the lower working section is the same as that of the upper working section, and a clamping and exhausting space is formed between the lower working section and the upper working section; the first mounting screw hole and the second mounting screw hole on the lifting seat are arranged along the conveying direction of the lower working section.

Furthermore, the lifting frame comprises a base, a top plate, a first guide rod and a second guide rod, wherein the first guide rod and the second guide rod are used for connecting the base and the top plate together; the lifting mechanism further comprises an adjusting screw rod; the lifting seat is provided with a first through hole, a second through hole and a third through hole which penetrate through the top surface and the bottom surface of the lifting seat, the third through hole is arranged between the first through hole and the second through hole, a first guide sleeve is arranged in the first through hole, a second guide sleeve is arranged in the second through hole, a sleeve piece is arranged in the third through hole, and an adjusting screw hole is formed in the sleeve piece; the first guide sleeves and the second guide sleeves of the lifting seat are correspondingly sleeved with the first guide rods and the second guide rods on the lifting frame one by one; the upper portion of the adjusting screw rod is rotatably installed on a top plate of the lifting frame, the bottom end of the adjusting screw rod is rotatably installed on a base of the lifting frame, the adjusting screw rod penetrates through an adjusting screw hole of a sleeve part of the lifting seat, and the adjusting screw rod is in threaded connection with the adjusting screw hole of the sleeve part.

Furthermore, 2 first limiting blocks are arranged on the top surface of the lifting seat, and 2 second limiting blocks are arranged on the bottom surface of the lifting seat; one first limiting block and one second limiting block are matched to clamp the first guide sleeve, so that the first guide sleeve is limited in the first through hole of the lifting seat; and the other first limiting block is matched with the other second limiting block to clamp the second guide sleeve, so that the second guide sleeve is limited in the second through hole of the lifting seat.

Still further, install the rotation hand wheel on the top of adjusting screw, this rotation hand wheel is in the top of crane.

Still further, the upper conveying mechanism further comprises an upper transmission motor, a driving rotating roller and a driven rotating roller are mounted on the upper transmission frame, the driving rotating roller and the driven rotating roller are arranged in parallel, an inner ring of the upper conveying belt is wound on the driving rotating roller and the driven rotating roller, the upper transmission motor is fixed on a mounting frame between the lifting frame and the upper transmission frame, and the upper transmission motor is used for driving the driving rotating roller to rotate.

The utility model has the advantages that: the utility model clamps the packaging bag with articles by adopting the matching of the upper conveying mechanism and the lower conveying mechanism, and the upper conveying mechanism is fixed on the lifting seat of the lifting mechanism by a mounting frame, and the inclination of the upper conveying mechanism can be adjusted when in use; when the inclination of the upper conveying mechanism is adjusted, firstly, 2 fixing bolts for fixing the mounting frame on the lifting seat are loosened, then the lifting frame is enabled to rotate by taking the axis of the first perforation as a rotating shaft, at the moment, the fixing bolt locked into the second mounting screw hole carries out relative displacement in the second perforation, and finally, after the 2 fixing bolts for fixing the mounting frame on the lifting seat are locked, the inclination of the upper conveying mechanism can be finished, so that the utility model discloses a clamping and exhausting space can form a state that the opening is gradually reduced from big to small along the conveying direction of the object when in use, and the clamping and exhausting space is combined with the upper conveying belt of the upper conveying mechanism and the lower conveying belt of the lower conveying mechanism to be in surface-to-surface large-area contact with the object in the conveying process, so that the object and the packaging bag can not slide in the packaging bag, make the utility model has the advantages of simple structure, design science, low in production cost, convenient operation, can avoid article to take place the displacement in exhaust process to improve production efficiency.

Drawings

Fig. 1 is a schematic perspective view of an embodiment.

Fig. 2 is a left side view schematically illustrating the structure of the embodiment (after the upper conveying mechanism is tilted).

Fig. 3 is a schematic view of an assembly structure between the lifting mechanism and the mounting bracket according to the embodiment.

Fig. 4 is a schematic structural diagram of the lifting base according to the embodiment.

Fig. 5 is a schematic structural view of the lifting base according to the embodiment after the first guide sleeve, the second guide sleeve and the sleeve member are installed.

Fig. 6 is a schematic structural view of fig. 5 after horizontal turning.

Fig. 7 is a schematic structural view of the upper transmission frame of the embodiment when the left and right adjusting bolts are mounted.

Fig. 8 is a schematic structural view of the lower transport mechanism according to the embodiment.

Fig. 9 is a second schematic structural view of the lower conveying mechanism of the embodiment.

Fig. 10 is a schematic top view of the lower transport mechanism according to the embodiment.

Fig. 11 is a schematic sectional view in the direction of a-a in fig. 10.

Fig. 12 is a schematic structural diagram of the embodiment in an application state.

Description of reference numerals: 1-a lifting mechanism; 2, a lifting frame; 21-a base; 22-a top plate; 23-a first guide bar; 24-a second guide bar; 3-a lifting seat; 31-a first mounting screw hole; 32-second mounting screw holes; 33-a first via; 34-a second through hole; 35-a third via; 36-a first guide sleeve; 37-a second guide sleeve; 38-the sleeve member; 381-adjusting screw holes; 39-a first stopper; 310-a second stopper; 4-adjusting the screw rod; 41-rotating the hand wheel; 5-mounting a frame; 51-a first mount; 52-a second mount; 53-connecting rod; 54-a first perforation; 55-second perforation; 56-fixing bolt; 6-upper conveying mechanism; 61-uploading a transmission frame; 62-a left mounting plate; 621-left elongated hole; 622-left through hole; 63-a right mounting plate; 631-right elongate aperture; 632-right through hole; 64-upper conveyor belt; 641-upper working segment; 65-driving rotating rollers; 66-driven rotating rollers; 661-middle axis; 662-shaft sleeves; 663-left screw hole; 664-right screw hole; 67-left adjusting bolt; 68-right adjusting bolt; 69-upper drive motor; 7-a lower transport mechanism; 71-a lower transmission frame; 72-left side panel; 721-left adjustment slot; 722-a left locating block; 73-right side plate; 731-right adjustment slot; 732-right positioning block; 74-lower conveyor; 741-lower working section; 75-a first rotating roller; 76-a second turning roller; 77-a third rotating roller; 78-a fourth turning roll; 781-mandrel; 782-rotating the drum; 79-a fifth turning roll; 710-left push bolt; 720-right push bolt; 8-a clamping and pressing exhaust space; 9-a cabinet; 91-top panel.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 10, and fig. 11, the exhaust apparatus for a packaging machine of the present embodiment includes a lifting mechanism 1, a mounting frame 5, an upper conveying mechanism 6, and a lower conveying mechanism 7, wherein: the lifting mechanism 1 comprises a lifting frame 2 and a lifting seat 3 capable of lifting up and down on the lifting frame 2, and a first mounting screw hole 31 and a second mounting screw hole 32 are formed on one vertical surface of the lifting seat 3; the lifting frame 2 is arranged beside the lower conveying mechanism 7; the mounting frame 5 comprises a first mounting part 51, a second mounting part 52 and a connecting rod 53, the connecting rod 53 connects the first mounting part 51 and the second mounting part 52 together, the first mounting part 51 and the second mounting part 52 are connected into a rectangular frame through 2 connecting rods 53, the first mounting part 51 and the second mounting part 52 are opposite and parallel to each other, a first through hole 54 and a second through hole 55 are formed in the first mounting part 51, the first through hole 54 and the second through hole 55 penetrate through 2 opposite vertical surfaces of the first mounting part 51, the second through hole 55 is a circular arc-shaped hole, and the circle center of the second through hole 55 is concentric with that of the first through hole 54; the mounting frame 5 is fixed on the lifting seat 3 through 2 fixing bolts 56, wherein one fixing bolt 56 is locked into the first mounting screw hole 31 of the lifting seat 3 through the first through hole 54 of the first mounting part 51, and the other fixing bolt 56 is locked into the second mounting screw hole 32 of the lifting seat 3 through the second through hole 55 of the first mounting part 51; the upper conveying mechanism 6 is located above the lower conveying mechanism 7, the upper conveying mechanism 6 comprises an upper conveying frame 61 and an upper conveying belt 64 installed on the upper conveying frame 61, the upper conveying frame 61 is fixed on the second installation part 52 of the installation frame 5, an upper working section 641 is formed on the upper conveying belt 64, and the conveying direction of the upper working section 641 is parallel to the length directions of the second installation part 52 and the first installation part 51; the lower conveying mechanism 7 comprises a lower transmission frame 71 and a lower conveying belt 74 arranged on the lower transmission frame 71, a lower working section 741 is formed on the lower conveying belt 74, the lower working section 741 of the lower conveying belt 74 is arranged opposite to the upper working section 641 of the upper conveying belt 64, the conveying direction of the lower working section 741 is the same as that of the upper working section 641, and a clamping and exhausting space 8 is formed between the lower working section 741 and the upper working section 641; the first mounting screw hole 31 and the second mounting screw hole 32 on the lifting base 3 are both arranged along the conveying direction of the lower working section 741. When the exhaust device for the packaging machine is used, the inclination of the upper conveying mechanism 6 can be adjusted; when the inclination of the upper conveying mechanism 6 is adjusted, firstly, 2 fixing bolts 56 for fixing the mounting frame 5 on the lifting seat 3 are loosened, then the lifting seat 2 is enabled to rotate by taking the axis of the first through hole 54 as a rotating shaft, at this time, the fixing bolts 56 locked into the second mounting screw holes 32 carry out relative displacement in the second through holes 55, and finally, 2 fixing bolts 56 for fixing the mounting frame 5 on the lifting seat 3 are locked, so that the inclination of the upper conveying mechanism 6 can be completed, the clamping and exhausting space 8 for the packaging machine can form a state that the opening is gradually reduced from big to small along the conveying direction of the object when the exhaust device for the packaging machine is used, the clamping and exhausting space 8 combines the upper conveying belt 64 of the upper conveying mechanism 6 and the lower conveying belt 74 of the lower conveying mechanism 7 to be in surface-to-surface large-area contact with the object, so that the object and the packaging bag can not slide in the packaging bag in the conveying process, the exhaust device for the packaging machine has the advantages of simple structure, scientific design, low production cost, convenient operation, capability of avoiding displacement of articles in the exhaust process, improvement of production efficiency and the like.

In order to enable the lifting seat 3 of the lifting mechanism 1 to realize lifting movement, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the lifting frame 2 comprises a base 21, a top plate 22, and a first guide rod 23 and a second guide rod 24 which connect the base 21 and the top plate 22 together, wherein the first guide rod 23 and the second guide rod 24 are both vertically arranged; the lifting mechanism 1 further comprises an adjusting screw rod 4; the lifting seat 3 is provided with a first through hole 33, a second through hole 34 and a third through hole 35 which penetrate through the top surface and the bottom surface of the lifting seat, the third through hole 35 is positioned between the first through hole 33 and the second through hole 34, a first guide sleeve 36 is arranged in the first through hole 33, a second guide sleeve 37 is arranged in the second through hole 34, a sleeve part 38 is arranged in the third through hole 35, and an adjusting screw hole 381 is formed on the sleeve part 38; the first guide sleeve 36 and the second guide sleeve 37 of the lifting seat 3 are correspondingly sleeved with the first guide rod 23 and the second guide rod 24 on the lifting frame 2 one by one; the upper part of the adjusting screw rod 4 is rotatably arranged on the top plate 22 of the lifting frame 2, the bottom end of the adjusting screw rod 4 is rotatably arranged on the base 21 of the lifting frame 2, the adjusting screw rod 4 penetrates through an adjusting screw hole 381 of the sleeve part 38 of the lifting seat 3, and the adjusting screw rod 4 is in threaded connection with the adjusting screw hole 381 of the sleeve part 38. When the height of the lifting seat 3 needs to be adjusted, the adjusting screw rod 4 can be rotated, so that the adjusting screw rod 4 is matched with the adjusting screw hole 381 of the sleeve part 38 of the lifting seat 3, and the lifting seat 3 is driven to move up and down along the first guide rod 23 and the second guide rod 24.

In order to fix the first guide sleeve 36 and the second guide sleeve 37 on the lifting seat 3 conveniently, as shown in fig. 4, 5 and 6, 2 first limit blocks 39 are installed on the top surface of the lifting seat 3, 2 second limit blocks 310 are installed on the bottom surface of the lifting seat 3, and the first limit blocks 39 and the second limit blocks 310 have the same structure; one of the first stop blocks 39 cooperates with one of the second stop blocks 310 to clamp the first guide sleeve 36, so that the first guide sleeve 36 is limited in the first through hole 33 of the lifting seat 3; the other first stopper 39 cooperates with the other second stopper 310 to clamp the second guide sleeve 37, so that the second guide sleeve 37 is limited in the second through hole 34 of the lifting seat 3.

In order to facilitate the operation of rotating the adjusting screw rod 4, as shown in fig. 1, 2 and 3, a rotating hand wheel 41 is mounted on the top end of the adjusting screw rod 4, and the rotating hand wheel 41 is positioned above the lifting frame 2.

In order to make the structure of the upper conveying mechanism 6 more reasonable, as shown in fig. 1, 2, 3 and 7, the upper conveying mechanism 6 further includes an upper driving motor 69, a driving rotating roller 65 and a driven rotating roller 66 are mounted on the upper driving frame 61, the driving rotating roller 65 and the driven rotating roller 66 are arranged in parallel, an inner ring of the upper conveying belt 64 is wound on the driving rotating roller 65 and the driven rotating roller 66, the upper driving motor 69 is fixed on the mounting frame 5 between the crane 2 and the upper driving frame 61, and the upper driving motor 69 is used for driving the driving rotating roller 65 to rotate.

In order to make the structure of the upper transmission frame 61 of the upper transmission mechanism 6 more reasonable, as shown in fig. 1, 2 and 7, the upper transmission frame 61 comprises a left mounting plate 62 and a right mounting plate 63, the left mounting plate 62 and the right mounting plate 63 are in a strip-shaped structure, and the left mounting plate 62 and the right mounting plate 63 are arranged oppositely; wherein: the left end of the driving rotating roller 65 is rotatably arranged on the front side of the left mounting plate 62, and the right end of the driving rotating roller 65 is rotatably arranged on the front side of the right mounting plate 63; a left elongated hole 621 is formed on the rear side of the left mounting plate 62, a left through hole 622 is further formed on the left mounting plate 62, the left through hole 622 communicates the left elongated hole 621 with the rear end surface of the left mounting plate 62, and the axis of the left through hole 622 and the length direction of the left elongated hole 621 are both parallel to the length direction of the left mounting plate 62; a right elongated hole 631 is formed on the rear side of the right mounting plate 63, a right through hole 632 is further formed on the right mounting plate 63, the right through hole 632 is communicated with the right elongated hole 631 and the rear end surface of the right mounting plate 63, and the axis of the right through hole 632 and the length direction of the right elongated hole 631 are both parallel to the length direction of the right mounting plate 63; the driven rotating roller 66 comprises a middle shaft 661 and a shaft sleeve 662 rotatably mounted on the middle shaft 661, the upper conveying belt 64 is wound on the shaft sleeve 662 of the driven rotating roller 66, the left end of the middle shaft 661 is inserted into the left long hole 621 of the left mounting plate 62, the left end of the middle shaft 661 can slide back and forth along the left long hole 621, a left screw hole 663 is formed in the part of the middle shaft 661 located in the left long hole 621, and the axis of the left screw hole 663 is parallel to the length direction of the left long hole 621; the right end of the middle shaft 661 is inserted into the right elongated hole 631 of the right mounting plate 63, and the right end of the middle shaft 661 can slide back and forth along the right elongated hole 631, the middle shaft 661 is formed with a right screw hole 664 at a portion in the right elongated hole 631, and an axis of the right screw hole 664 is parallel to a length direction of the right elongated hole 631; the upper transmission frame 61 further comprises a left adjusting bolt 67 and a right adjusting bolt 68, and one end of the left adjusting bolt 67 passes through the left through hole 622 and is in threaded connection with a left screw hole 663 of the middle shaft 661; one end of the right adjusting bolt 68 passes through the right through hole 632 and is in threaded connection with a right screw hole 664 of the middle shaft 661. During assembly, the driven rotating roller 66 is driven to move along the left elongated hole 621 and the right elongated hole 631 by rotating the left adjusting bolt 67 and the right adjusting bolt 68 to tension the upper conveying belt 64, so that the upper conveying mechanism 6 is more convenient to assemble, and the tightness of the upper conveying belt 64 can be properly adjusted according to actual needs.

In order to make the structure of the exhaust apparatus for the packaging machine more reasonable, as shown in fig. 1, 2, 10 and 11, the length of the lower working section 741 of the lower conveyor 74 is longer than the length of the upper working section 641 of the upper conveyor 64, and thus, when in use, the articles and the packaging bags firstly move for a distance at the lower working section 741 of the lower conveyor 74 and then enter the nip exhaust space 8.

In order to make the structure of the lower conveying mechanism 7 more reasonable, as shown in fig. 1, fig. 2, fig. 8, fig. 9, fig. 10 and fig. 11, the lower transmission frame 71 of the lower conveying mechanism 7 comprises a left side plate 72 and a right side plate 73 which are oppositely arranged, a first rotating roller 75, a second rotating roller 76, a third rotating roller 77, a fourth rotating roller 78 and a fifth rotating roller 79 are arranged between the left side plate 72 and the right side plate 73, and the first rotating roller 75, the second rotating roller 76, the third rotating roller 77, the fourth rotating roller 78 and the fifth rotating roller 79 are parallel to each other; wherein: the axis of the first rotating roller 75 and the axis of the second rotating roller 76 are on the same horizontal plane, the third rotating roller 77 and the fourth rotating roller 78 are both positioned below the first rotating roller 75 and the second rotating roller 76, and the fifth rotating roller 79 is positioned below the third rotating roller 77 and the fourth rotating roller 78; the left ends of the first rotating roller 75, the second rotating roller 76, the third rotating roller 77 and the fifth rotating roller 79 are rotatably mounted on the left side plate 72, and the right ends of the first rotating roller 75, the second rotating roller 76, the third rotating roller 77 and the fifth rotating roller 79 are rotatably mounted on the right side plate 73; a left long adjustment hole 721 is formed in the left side plate 72, a left positioning block 722 is formed on the outer surface of the left side plate 72, a left screw hole is formed in the left positioning block 722, and the axis of the left screw hole is parallel to the longitudinal direction of the long left adjustment hole 721; a right adjusting long hole 731 is formed on the right side plate 73, the right adjusting long hole 731 is opposite to and parallel to the left adjusting long hole 721, a right positioning block 732 is formed on the outer surface of the right side plate 73, a right threaded hole is formed on the right positioning block 732, and the axis of the right threaded hole is parallel to the length direction of the right adjusting long hole 731; the fourth rotating roller 78 comprises a mandrel 781 and a rotating drum 782 rotatably mounted on the mandrel 781, the axis of the mandrel 781 of the fourth rotating roller 78 and the axis of the third rotating roller 77 are on the same horizontal plane, the left end of the mandrel 781 of the fourth rotating roller 78 penetrates through the left adjusting long hole 721 of the left side plate 72 and extends out of the left side plate 72, the right end of the mandrel 781 of the fourth rotating roller 78 penetrates through the right adjusting long hole 731 of the right side plate 73 and extends out of the right side plate 73, and the left end and the right end of the mandrel 781 of the fourth rotating roller 78 can correspondingly slide back and forth along the left adjusting long hole 721 and the right adjusting long hole 731; the lower transmission frame 71 further comprises a left pushing bolt 710 and a right pushing bolt 720, the left pushing bolt 710 is in threaded connection with a left threaded hole of a left positioning block 722 on the left side plate 72, the end of the left pushing bolt 710 is enabled to push the left end of a mandrel 781 of the fourth rotating roller 78 to move towards the third rotating roller 77 by rotating the left pushing bolt 710, the right pushing bolt 720 is in threaded connection with a right threaded hole of a right positioning block 732 on the right side plate 73, and the end of the right pushing bolt 720 is enabled to push the right end of the mandrel 781 of the fourth rotating roller 78 to move towards the third rotating roller 77 by rotating the right pushing bolt 720; the inner ring of the lower conveyor belt 74 is wound around the first rotating roller 75, the second rotating roller 76, and the fifth rotating roller 79, the outer ring of the lower conveyor belt 74 between the first rotating roller 75 and the fifth rotating roller 79 passes around the third rotating roller 77, and the outer ring of the lower conveyor belt 74 between the second rotating roller 76 and the fifth rotating roller 79 passes around the drum 782 of the fourth rotating roller 78. The lower conveying belt 74 can be tensioned by rotating the left pushing bolt 710 and the right pushing bolt 720 to push the fourth rotating roller 78 to move during assembly, so that the lower conveying mechanism 7 is more convenient to assemble, and the tightness of the lower conveying belt 74 can be conveniently and properly adjusted according to actual needs.

In order to make the structure of the lower transfer mechanism 7 more reasonable and allow the lower transfer belt 74 to be driven, the lower transfer mechanism 7 further includes a lower drive motor (the lower drive motor is not shown in the drawings) for driving the fifth rotating roller 79 on the lower transfer frame 71 to rotate.

The exhaust device for the packaging machine further comprises a mounting table, the lifting mechanism 1 and the lower conveying mechanism 7 are respectively fixed on the workbench, as shown in fig. 12, the workbench is a top panel 91 of the cabinet 9 in use, and the lifting mechanism 1 fixes the base 21 of the lifting frame 2 on the workbench.

Claims (10)

1. An exhaust apparatus for packagine machine which characterized in that: including elevating system, mounting bracket, last transport mechanism and lower transport mechanism, wherein:

the lifting mechanism comprises a lifting frame and a lifting seat capable of lifting up and down on the lifting frame, and a first mounting screw hole and a second mounting screw hole are formed on one vertical surface of the lifting seat; the lifting frame is arranged beside the lower conveying mechanism;

the mounting frame comprises a first mounting piece, a second mounting piece and a connecting rod, wherein the connecting rod connects the first mounting piece and the second mounting piece together, the first mounting piece and the second mounting piece are opposite and parallel to each other, a first through hole and a second through hole are formed in the first mounting piece, the first through hole and the second through hole penetrate through 2 opposite vertical surfaces of the first mounting piece, the second through hole is an arc-shaped hole, and the circle center of the second through hole is concentric with that of the first through hole; the mounting frame is fixed on the lifting seat through 2 fixing bolts, wherein one fixing bolt penetrates through a first through hole of the first mounting piece and is locked into a first mounting screw hole of the lifting seat, and the other fixing bolt penetrates through a second through hole of the first mounting piece and is locked into a second mounting screw hole of the lifting seat;

the upper conveying mechanism is positioned above the lower conveying mechanism and comprises an upper conveying frame and an upper conveying belt arranged on the upper conveying frame, the upper conveying frame is fixed on the second mounting piece of the mounting frame, an upper working section is formed on the upper conveying belt, and the conveying direction of the upper working section is parallel to the length direction of the second mounting piece and the length direction of the first mounting piece;

the lower conveying mechanism comprises a lower transmission frame and a lower conveying belt arranged on the lower transmission frame, a lower working section is formed on the lower conveying belt, the lower working section of the lower conveying belt and the upper working section of the upper conveying belt are oppositely arranged, the conveying direction of the lower working section is the same as that of the upper working section, and a clamping and exhausting space is formed between the lower working section and the upper working section;

the first mounting screw hole and the second mounting screw hole on the lifting seat are arranged along the conveying direction of the lower working section.

2. The exhaust device for a packaging machine according to claim 1, characterized in that: the lifting frame comprises a base, a top plate, a first guide rod and a second guide rod, wherein the first guide rod and the second guide rod are used for connecting the base and the top plate together; the lifting mechanism further comprises an adjusting screw rod; the lifting seat is provided with a first through hole, a second through hole and a third through hole which penetrate through the top surface and the bottom surface of the lifting seat, the third through hole is arranged between the first through hole and the second through hole, a first guide sleeve is arranged in the first through hole, a second guide sleeve is arranged in the second through hole, a sleeve piece is arranged in the third through hole, and an adjusting screw hole is formed in the sleeve piece; the first guide sleeves and the second guide sleeves of the lifting seat are correspondingly sleeved with the first guide rods and the second guide rods on the lifting frame one by one; the upper portion of the adjusting screw rod is rotatably installed on a top plate of the lifting frame, the bottom end of the adjusting screw rod is rotatably installed on a base of the lifting frame, the adjusting screw rod penetrates through an adjusting screw hole of a sleeve part of the lifting seat, and the adjusting screw rod is in threaded connection with the adjusting screw hole of the sleeve part.

3. The exhaust device for a packaging machine according to claim 2, characterized in that: 2 first limiting blocks are arranged on the top surface of the lifting seat, and 2 second limiting blocks are arranged on the bottom surface of the lifting seat; one first limiting block and one second limiting block are matched to clamp the first guide sleeve, so that the first guide sleeve is limited in the first through hole of the lifting seat; and the other first limiting block is matched with the other second limiting block to clamp the second guide sleeve, so that the second guide sleeve is limited in the second through hole of the lifting seat.

4. The exhaust device for a packaging machine according to claim 2, characterized in that: a rotating hand wheel is arranged on the top end of the adjusting screw rod and is positioned above the lifting frame.

5. The exhaust device for a packaging machine according to claim 1, characterized in that: the upper transmission mechanism further comprises an upper transmission motor, a driving rotating roller and a driven rotating roller are mounted on the upper transmission frame, the driving rotating roller and the driven rotating roller are arranged in parallel, an inner ring of the upper transmission belt is wound on the driving rotating roller and the driven rotating roller, the upper transmission motor is fixed on a mounting frame between the lifting frame and the upper transmission frame, and the upper transmission motor is used for driving the driving rotating roller to rotate.

6. The exhaust device for a packaging machine according to claim 5, characterized in that: the upper transmission frame comprises a left mounting plate and a right mounting plate, and the left mounting plate and the right mounting plate are arranged oppositely; wherein:

the left end of the driving rotating roller is rotatably arranged on the front side of the left mounting plate, and the right end of the driving rotating roller is rotatably arranged on the front side of the right mounting plate;

a left elongated hole is formed in the rear side of the left mounting plate, a left through hole is formed in the left mounting plate and is communicated with the rear end faces of the left elongated hole and the left mounting plate, and the axis of the left through hole and the length direction of the left elongated hole are parallel to the length direction of the left mounting plate;

a right elongated hole is formed in the rear side of the right mounting plate, a right through hole is formed in the right mounting plate and is communicated with the rear end faces of the right elongated hole and the right mounting plate, and the axis of the right through hole and the length direction of the right elongated hole are parallel to the length direction of the right mounting plate;

the driven rotating roller comprises a middle shaft and a shaft sleeve which is rotatably arranged on the middle shaft, the upper conveying belt is wound on the shaft sleeve of the driven rotating roller, the left end of the middle shaft is inserted into the left elongated hole of the left mounting plate, the left end of the middle shaft can slide back and forth along the left elongated hole, a left screw hole is formed in the part, located in the left elongated hole, of the middle shaft, and the axis of the left screw hole is parallel to the length direction of the left elongated hole; the right end of the middle shaft is inserted into the right elongated hole of the right mounting plate and can slide back and forth along the right elongated hole, a right screw hole is formed in the part of the middle shaft in the right elongated hole, and the axis of the right screw hole is parallel to the length direction of the right elongated hole;

the upper transmission frame also comprises a left adjusting bolt and a right adjusting bolt, and one end of the left adjusting bolt penetrates through the left through hole and is in threaded connection with a left screw hole of the middle shaft; one end of the right adjusting bolt penetrates through the right through hole to be in threaded connection with the right screw hole of the middle shaft.

7. The exhaust device for a packaging machine according to claim 1, characterized in that: the length of the lower working section of the lower conveyor belt is longer than the length of the upper working section of the upper conveyor belt.

8. The exhaust device for a packaging machine according to claim 1, characterized in that: the lower transmission frame of the lower conveying mechanism comprises a left side plate and a right side plate which are oppositely arranged, a first rotating roller, a second rotating roller, a third rotating roller, a fourth rotating roller and a fifth rotating roller are arranged between the left side plate and the right side plate, and the first rotating roller, the second rotating roller, the third rotating roller, the fourth rotating roller and the fifth rotating roller are parallel to each other; wherein:

the axis of the first rotating roller and the axis of the second rotating roller are positioned on the same horizontal plane, the third rotating roller and the fourth rotating roller are positioned below the first rotating roller and the second rotating roller, and the fifth rotating roller is positioned below the third rotating roller and the fourth rotating roller; the left ends of the first rotating roller, the second rotating roller, the third rotating roller and the fifth rotating roller are rotatably arranged on the left side plate, and the right ends of the first rotating roller, the second rotating roller, the third rotating roller and the fifth rotating roller are rotatably arranged on the right side plate;

a left adjusting long hole is formed in the left side plate, a left positioning block is formed on the outer surface of the left side plate, a left threaded hole is formed in the left positioning block, and the axis of the left threaded hole is parallel to the length direction of the left adjusting long hole; a right adjusting long hole is formed in the right side plate, the right adjusting long hole and the left adjusting long hole are arranged in a manner of being opposite to each other and in parallel, a right positioning block is formed on the outer surface of the right side plate, a right threaded hole is formed in the right positioning block, and the axis of the right threaded hole is parallel to the length direction of the right adjusting long hole;

the fourth rotating roller comprises a mandrel and a rotating drum which is rotatably arranged on the mandrel, the axis of the mandrel of the fourth rotating roller and the axis of the third rotating roller are positioned on the same horizontal plane, the left end of the mandrel of the fourth rotating roller penetrates through the left adjusting long hole of the left side plate and extends out of the left side plate, the right end of the mandrel of the fourth rotating roller penetrates through the right adjusting long hole of the right side plate and extends out of the right side plate, and the left end and the right end of the mandrel of the fourth rotating roller can correspondingly slide back and forth along the left adjusting long hole and the right adjusting long hole;

the lower transmission frame further comprises a left pushing bolt and a right pushing bolt, the left pushing bolt is in threaded connection with a left threaded hole of a left positioning block on the left side plate, the left pushing bolt is rotated to enable the end portion of the left pushing bolt to push the left end of a mandrel of the fourth rotating roller to move towards the direction of the third rotating roller, the right pushing bolt is in threaded connection with a right threaded hole of a right positioning block on the right side plate, and the right pushing bolt is rotated to enable the end portion of the right pushing bolt to push the right end of the mandrel of the fourth rotating roller to move towards the direction of the third rotating roller;

the inner ring of the lower conveying belt is wound on the first rotating roller, the second rotating roller and the fifth rotating roller, the outer ring of the lower conveying belt between the first rotating roller and the fifth rotating roller is wound on the third rotating roller, and the outer ring of the lower conveying belt between the second rotating roller and the fifth rotating roller is wound on the rotary drum of the fourth rotating roller.

9. The exhaust device for a packaging machine according to claim 8, wherein: the lower conveying mechanism further comprises a lower transmission motor, and the lower transmission motor is used for driving a fifth rotating roller on the lower transmission frame to rotate.

10. The exhaust device for a packaging machine according to claim 1, characterized in that: the lifting mechanism and the lower conveying mechanism are respectively fixed on the workbench.

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