CN209795982U - package pushing device - Google Patents

Abstract

The utility model relates to the field of packaging, a push away a packing and put is provided, solve the walking of pushing away the packing and embrace that bag mechanism motion synchronism is poor and lead to the material can not stabilize the propelling movement, and hold up the problem that bag mechanism easily damaged. The device comprises a frame body, a flat plate, a walking bag holding mechanism, a bag holding mechanism and a driving mechanism; the pull rod is one, and two ends of the pull rod are respectively hinged with the left frame and the right frame; the bag holding mechanism comprises a connecting rod, a bag holding rod and a flexible rubber strip; two ends of the connecting rod are respectively connected with the walking bag holding machine and the bag supporting rod; the inner side of the bag supporting rod is provided with a fixing block mounting hole; the flexible rubber strip comprises an adhesive tape and a plurality of hollow elliptical rings arranged on one side of the adhesive tape side by side, and the major diameters of the hollow elliptical rings are parallel to the long edge of the adhesive tape; a fixed block is arranged on one side of each hollow elliptical ring, which is opposite to the rubber strip; the fixed block is installed in the fixed block mounting hole.

Description

package pushing device

Technical Field

The utility model relates to the field of packaging, especially, relate to a push away packing and put.

Background

at present, in the packaging industries of chemical industry, chemical fertilizers and the like, the automatic packaging of powder particles and granular materials is generally carried out by adopting a packaging machine, the packaging process mostly needs to adopt a bag pushing device to send bags, and a bag holding mechanism of the bag pushing device is mainly used for conveying bags after clamping the bag openings by metal structures on two sides.

A conventional bag pushing device, as shown in fig. 1, includes a frame body 01, a plate 02 disposed above the frame body 01, a bag holding mechanism 03 disposed on the frame body 01, a bag supporting mechanism 04 disposed on the bag holding mechanism 03, and a driving mechanism for driving the bag holding mechanism 03, as shown in fig. 2, the bag holding mechanism 03 includes a connector 034, a pull rod 035, a cylinder 031, a four-bar linkage 032, and a bag holder 033, the four-bar linkage 032 is driven by the reciprocating motion of a piston of the cylinder to swing, so as to drive the bag holder 033 (arc plate) for pushing a bag to push (hold) the bag, and the two four-bar linkages 032 are operated by the cylinder 031, however, it is found in practical application that the two four-bar linkages 032 are controlled by the two cylinders 031, and there is a step in operation, so that the motion processes of the two bag holders 033 cannot be synchronized, and a stable pushing of a material bag cannot be realized in a short time, the work period is delayed, and the work efficiency is reduced; and hold up a bag mechanism 04 and mainly press from both sides the sack by the inboard metal construction tightly, and the product structure is mostly interference fit design, easily damages.

SUMMERY OF THE UTILITY MODEL

The bag mechanism motion is embraced because of the synchronism is poor in order to solve the walking of pushing away the package device now, leads to the material to stabilize the propelling movement, influences work efficiency to and hold up the technical problem that bag mechanism easily damaged, the utility model provides a push away the package device.

In order to achieve the above purpose, the utility model provides a technical scheme is: a bag pushing device comprises a frame body, a flat plate arranged above the frame body, a walking bag holding mechanism arranged on the frame body, a bag holding mechanism arranged on the walking bag holding mechanism and a driving mechanism used for driving the walking bag holding mechanism, wherein two parallel tubular shafts are arranged on the frame body; the traveling bag holding mechanism comprises two front traveling wheel assemblies and two rear traveling wheel assemblies which can travel on the two pipe shafts, and connecting pieces arranged on the two front traveling wheel assemblies and the two rear traveling wheel assemblies; the left frame and the right frame are arranged on the connecting piece; the left frame and the right frame are identical in structure and are symmetrically arranged, and the left frame comprises a four-bar mechanism and a bag holding clamp arranged above the four-bar mechanism; a bag holding cylinder and a pull rod are arranged between the left frame and the right frame; it is characterized in that:

the number of the pull rods is one, and two ends of each pull rod are hinged with the left frame and the right frame respectively; the bag holding cylinders are one in number, and two ends of each bag holding cylinder are respectively connected with the lower ends of the left frame and the right frame; the bag supporting mechanism comprises a connecting rod, a bag supporting rod and a flexible rubber strip; one end of the connecting rod is connected with the bag holding clamp, and the other end of the connecting rod is connected with the bag supporting rod; the bag supporting rod is of an I-shaped structure and comprises two long rods arranged in parallel and a short rod used for connecting the two long rods, and a fixing block mounting hole is formed in the inner side of each long rod; the flexible rubber strip comprises an adhesive tape and a plurality of hollow elliptical rings arranged on one side of the adhesive tape side by side, and the major diameters of the hollow elliptical rings are parallel to the long edge of the adhesive tape; a fixed block is arranged on the other side of each hollow elliptical ring, which is opposite to the rubber strip; the fixed block is installed in the fixed block mounting hole.

Furthermore, the rubber strip is provided with a supporting bulge and is positioned between the adjacent hollow elliptical rings; the supporting protrusions are flush with the major axis of the hollow elliptical ring in the height direction.

Furthermore, the cross section of the supporting protrusion is triangular, parallelogram or trapezoidal, and the bottom side of the supporting protrusion is connected with the rubber strip.

Furthermore, the driving mechanism comprises a motor, a swing rod and a wedge-shaped expansion sleeve for connecting the motor and the swing rod; the wedge-shaped expansion sleeve comprises an expansion upper sleeve, an expansion lower sleeve and a locking mechanism;

The expansion upper sleeve comprises a first flange plate and an upper shaft sleeve connected with the first flange plate, a first conical hole is formed in the upper shaft sleeve, a plurality of first expansion grooves are formed in the side wall of the upper shaft sleeve along the axial direction, and a plurality of second through holes are formed in the first flange plate along the circumferential direction;

the lower expansion sleeve comprises a second flange plate and a lower shaft sleeve connected with the second flange plate, the lower shaft sleeve is provided with a first through hole matched with the output shaft of the motor, the side wall of the lower shaft sleeve is provided with a plurality of second expansion grooves along the axial direction, and the outer surface of the lower shaft sleeve is an outer conical surface matched with the inner conical surface of the first conical hole; a first threaded hole corresponding to the second threaded hole is formed in the second flange plate along the circumferential direction;

The lower expanding sleeve is sleeved on the output shaft of the motor, one end of the swing rod is sleeved on the upper shaft sleeve, the upper expanding sleeve is sleeved on the lower expanding sleeve, and the locking mechanism sequentially penetrates through the second through hole, one end of the swing rod and the first threaded hole to fix the motor and the swing rod;

The other end of the swing rod is connected with a connecting piece of the walking bag holding mechanism, and a connecting rod is arranged between the connecting piece and the other end of the swing rod.

Furthermore, a plurality of second threaded holes are formed in the first flange plate along the circumferential direction and used for detaching the expansion upper sleeve and the expansion lower sleeve.

Furthermore, the taper of the conical surface in the upper shaft sleeve and the taper of the outer conical surface of the lower shaft sleeve are 1: 10;

The width of the first expansion groove and the second expansion groove is 1 mm.

Furthermore, the dust removal device also comprises dust removal components which are respectively arranged on the left frame and the right frame; the dust removal assembly comprises a dust prevention frame body, a front scraper and a rear scraper; the protective frame body comprises a dustproof flat plate, two dustproof vertical plates, a front knife pressing plate and a rear knife pressing plate; the front end of the dustproof flat plate is movably connected with the front walking wheel assembly, and the rear end of the dustproof flat plate is movably connected with the rear walking wheel assembly; the upper side edges of the two dustproof vertical plates are fixedly connected with the left side edge and the right side edge of the dustproof flat plate respectively; two side edges of the front knife pressing plate are fixedly connected with the front side edges of the two dustproof vertical plates respectively and are positioned in front of the front travelling wheel assembly, and two side edges of the rear knife pressing plate are fixedly connected with the rear side edges of the two dustproof vertical plates respectively and are positioned behind the rear travelling wheel assembly; the rear end of the front scraper is hinged with the front walking wheel component, the front end of the front scraper is lapped on the tubular shaft and matched with the upper surface of the tubular shaft, and the middle part of the upper surface of the front scraper is abutted against the lower side edge of the front knife pressing plate; the front end of the rear scraper is hinged to the rear travelling wheel assembly, the rear end of the rear scraper is lapped on the tubular shaft and matched with the upper surface of the tubular shaft, and the middle of the upper surface of the rear scraper is abutted to the lower side edge of the rear knife pressing plate.

furthermore, the front end of the dustproof flat plate, the front walking wheel assembly, the rear end of the dustproof flat plate and the rear walking wheel assembly are connected in a clamping mode or in a sliding mode, and the dustproof flat plate can move up and down relative to the side wall of the front walking wheel assembly and the side wall of the rear walking wheel assembly.

furthermore, the bag holding clamp comprises a bag holding clamp base body, a fixed seat and at least one locking unit;

one end of the fixed seat is connected with the four-bar mechanism, and the other end of the fixed seat is provided with a connecting rod mounting hole for placing a connecting rod; the bag holding clamp base body is arranged on the side wall of the fixed seat, at least one group of mounting holes are formed in the side wall of the fixed seat, and the number of the groups of the mounting holes is the same as the number of the locking units; each group of mounting holes comprises two third threaded holes and two third through holes which are uniformly distributed along the same circumferential direction of the fixing seat, and the two third through holes are arranged adjacently; each locking unit comprises two cylindrical blocks matched with the third through hole and two locking bolts matched with the third threaded hole; the two cylindrical blocks are respectively fixed in the two third through holes, and one end of each cylindrical block extending into the connecting fixing seat is provided with an arc-shaped groove matched with the outer surface of the connecting rod; two locking bolts are respectively arranged in the two third threaded holes, and the connecting rod is locked in the fixed seat by the two cylindrical blocks and the two locking bolts.

furthermore, the two groups of locking units are respectively arranged at the upper part and the middle part of the fixed seat; the cross section of the fixed seat is quadrilateral; the two threaded holes and the two through holes are respectively arranged on four side edges of the fixing seat body.

Compared with the prior art, the utility model has the advantages that:

1. The utility model adopts a cylinder to drive the left frame and the right frame to rotate, the left frame and the right frame are movably connected by a pull rod, the motion synchronism of the left frame and the right frame is ensured, the motion processes of the bag holding clamps on the left frame and the right frame are synchronous, and the stable pushing of material bags in a short time is realized; the bag supporting mechanism of the utility model is provided with the flexible rubber strip, the fixed block of the flexible rubber strip is fixed in the fixed block mounting hole of the long rod, and the flexible rubber strip is not easy to fall off; the hollow elliptical ring on the bag holding rubber strip can only compress the bag opening in one direction (compression direction) during compression, and mechanical damage is small.

2. The utility model discloses be equipped with the support arch on the adhesive tape, and be located between the adjacent cavity elliptical ring, when the compression of cavity elliptical ring, play limiting displacement to the cavity elliptical ring, prevent excessive extrusion, flexible rubber strip easily produces and warp and damage, and the position that leads to the material bag takes place to remove, influences the transport effect.

3. The utility model discloses a motor output shaft passes through the wedge to expand tightly to overlap with the pendulum rod and is connected, and motor output shaft and pendulum rod are difficult not hard up, and are fixed effectual.

4. the utility model discloses an upper shaft sheathe in and is equipped with the screw hole, when needing to dismantle motor output shaft and pendulum rod, demolish locking mechanism earlier, then with the second screw hole of bolt screw in upper shaft cover, it is ejecting that the convenience will go up the shaft sleeve, dismantles simple and convenient laborsaving.

5. The taper of the conical surface in the upper shaft sleeve and the taper of the conical surface outside the lower shaft sleeve adopt 1:10, and the fixing effect is best.

6. The utility model is provided with the dust removal components on the left frame and the right frame, when the left frame and the right frame move on the tubular shaft, the scraper removes dust on the tubular shaft, improves the motion synchronism of the left frame and the right frame in the walking bag holding mechanism, and ensures the stable pushing of material bags; and the dustproof flat plates are arranged on the left frame and the right frame, so that the dustproof and protective device can play a role, meanwhile, the dustproof flat plates provide gravity for the scraper, the dustproof flat plates can follow up and down along with the scraper, and the dust removal effect is better.

7. the utility model discloses the cylinder piece is installed to the cooperation of fixing base and locking unit on the fixing base lateral wall, and the cylinder piece stretches into this internal one end of fixing base for the arc surface with connecting rod looks adaptation, and the locking bolt passes the screw hole of fixing base lateral wall, withstands the connecting rod, through the cooperation of two cylinder pieces and two locking bolts, fixes the connecting rod at the fixing base, guarantees that the connecting rod can not appear rotatoryly in the fixing base body, influences transportation process.

drawings

FIG. 1 is a schematic structural diagram of a conventional bag pushing device;

FIG. 2 is a schematic structural view of a traveling bag-holding mechanism in a conventional bag-pushing device;

in fig. 1 and 2, the reference numerals are as follows:

01-frame body, 02-flat plate, 03-walking bag holding mechanism, 031-cylinder, 032-four-bar linkage mechanism, 033-bag holding clamp, 034-connecting piece, 035-pull rod and 04-bag holding mechanism.

FIG. 3 is a schematic structural view of the bag pushing device of the present invention;

fig. 4 is a side view of the bag pushing device of the present invention;

fig. 5 is a top view (motor partially cut away) of the bag pushing device of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at I;

FIG. 7 is a schematic structural view of a bag holding mechanism in the bag pushing device of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at II;

fig. 9 is a schematic structural view of a flexible rubber strip in the push pack of the present invention;

FIG. 10 is an enlarged view of a portion at IV of FIG. 3;

fig. 11 is a front view of the expanding upper sleeve in the push pack of the present invention;

Fig. 12 is a rear view of the expanding upper sleeve in the push pack of the present invention;

fig. 13 is a left side view of the expanding upper sleeve in the push pack of the present invention;

FIG. 14 is a sectional view taken along line A-A of FIG. 13;

Fig. 15 is a schematic structural view of the push-out package of the present invention showing one direction of the expanding lower sleeve;

fig. 16 is a schematic structural view of the expansion lower sleeve in the push-out package of the present invention in another direction;

FIG. 17 is a sectional view taken along line B-B of FIG. 16;

FIG. 18 is an enlarged view of a portion of FIG. 3 at V;

Fig. 19 is a schematic view of the traveling bag holding mechanism in the push packaging device of the present invention in one direction (the traveling bag holding mechanism is mounted on the tubular shaft);

FIG. 20 is an enlarged view of a portion at VI of FIG. 19;

FIG. 21 is a partially enlarged view at VII of FIG. 19.

In fig. 3 to 21, the reference numerals are as follows:

1-frame body, 11-tubular shaft, 2-flat plate, 3-walking bag holding mechanism, 31-connecting piece, 32-left frame, 321-four-bar linkage mechanism, 322-bag holding clamp, 3221-bag holding clamp base body, 3222-fixing seat, 3223-cylindrical block, 3224-locking bolt, 33-right frame, 34-pull rod, 35-bag holding cylinder, 4-bag holding mechanism, 41-connecting rod, 42-bag holding rod, 421-long rod, 422-short rod, 43-flexible rubber strip, 431-rubber strip, 432-hollow elliptical ring, 433-fixing block, 434-supporting protrusion and 44-screw; 5-motor, 51-motor output shaft, 6-swing rod, 8-expansion upper sleeve, 81-first flange plate, 811-second through hole, 812-second threaded hole, 82-upper shaft sleeve, 821-first conical hole, 822-first expansion groove, 9-expansion lower sleeve, 91-second flange plate, 911-first threaded hole, 92-lower shaft sleeve, 921-first through hole, 922-second expansion groove, 10-locking mechanism, 12-front scraper, 13-dustproof flat plate, 14-dustproof vertical plate, 15-front pressure knife plate, 16-front traveling wheel assembly, 17-rear scraper, 18-rear pressure knife plate and 19-rear traveling wheel assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

as shown in fig. 3 to 5, a bag pushing device includes a frame body 1, a flat plate 2 disposed above the frame body 1, a walking bag holding mechanism 3 disposed on the frame body 1, a bag holding mechanism 4 disposed on the walking bag holding mechanism 3, and a driving mechanism for driving the walking bag holding mechanism 3, wherein the flat plate 2 is a plastic flat plate for holding material bags, and two parallel tubular shafts 11 are disposed on the frame body 1 and located on two sides of the flat plate respectively; the traveling bag holding mechanism 3 comprises two front traveling wheel assemblies 16 and two rear traveling wheel assemblies 19 which can travel on the two tubular shafts 11, and connecting pieces 31 arranged on the two front traveling wheel assemblies 16 and the two rear traveling wheel assemblies 19; a left frame 32 and a right frame 33 provided on the link 31; the left frame 32 and the right frame 33 are identical in structure and are symmetrically arranged, the left frame 32 comprises a four-bar mechanism 321 and a bag holding clamp 322 arranged above the four-bar mechanism 321; a bag holding cylinder 35 and a pull rod 34 are arranged between the left frame 32 and the right frame 33; the number of the pull rods 34 is one, and two ends of each pull rod are respectively movably connected with the left frame 32 and the right frame 33; the number of the bag holding air cylinders 35 is one, and two ends of each bag holding air cylinder are respectively connected with the lower ends of the left frame 32 and the right frame 33; embrace the swing of bag cylinder 35 drive left side frame or right side frame through drive, a pull rod connects left side frame and right side frame, makes the synchronism of left side frame and right side frame motion good, guarantees the steady propelling movement of material bag.

as shown in fig. 7 and 8, the bag holding mechanism 4 comprises a connecting rod 41, a bag holding rod 42 and a flexible rubber strip 43; one end of the connecting rod 41 is connected with the bag holding clamp 322, and the other end is connected with the bag supporting rod 42; the bag supporting rod 42 is of an I-shaped structure and comprises two long rods 421 arranged in parallel and a short rod 422 used for connecting the two long rods 421, and a fixing block mounting hole is formed in the inner side of each long rod 421; as shown in fig. 9, the flexible rubber strip 43 includes a rubber strip 431 and a plurality of hollow elliptical rings 432 arranged side by side on one side of the rubber strip 431, and the major diameters of the plurality of hollow elliptical rings 432 are parallel to the long side of the rubber strip 431; a fixed block 433 is arranged on one side of each hollow elliptical ring 432 opposite to the rubber strip 431; the fixing block 433 is installed in the fixing block installation hole.

the rubber strip 431 is provided with a supporting bulge 434 and is positioned between the adjacent hollow elliptical rings 432; the supporting protrusion 434 is flush with the major axis of the hollow elliptical ring 432 in the height direction, and the cross section of the supporting protrusion 434 is triangular, parallelogram or trapezoid, and the bottom side thereof is connected to the rubber strip 431.

The terminal surface that the fixed block was installed in the fixed block mounting hole is equipped with the screw thread mounting hole, and screw 44 passes mounting hole, the screw thread mounting hole on the stock in proper order, installs the fixed block on the stock, and the screw is self-tapping screw, and screw thread mounting hole and self-tapping screw looks adaptation are fixed the rubber strip on the stock with self-tapping screw, and fixed effectual.

the long rod can be a hollow square tube, and in order to reduce the weight, a lightening hole is formed in the side wall of the square tube; the ratio of the long diameter to the short diameter of the hollow elliptical rings is preferably 4:1, and the distance between adjacent hollow elliptical rings is 1-2 times of the long diameter of the hollow elliptical rings, preferably 2.

As shown in fig. 6, the driving mechanism comprises a motor 5, a swing rod 6, and a wedge-shaped expansion sleeve connecting the motor 5 and the swing rod 6; the wedge-shaped expansion sleeve comprises an expansion upper sleeve 8, an expansion lower sleeve 9 and a locking mechanism 10; as shown in fig. 11 to 14, the upper expanding sleeve 8 includes a first flange 81, and an upper sleeve 82 connected to the first flange 81, the upper sleeve 82 is provided with a first conical hole 821, a plurality of first expanding grooves 822 are axially formed on the sidewall of the upper sleeve 82, and a plurality of second through holes 811 are circumferentially formed on the first flange 81; as shown in fig. 15 to 17, the lower expanding sleeve 9 includes a second flange 91 and a lower sleeve 92 connected to the second flange 91, the lower sleeve 92 has a first through hole 921 adapted to the output shaft 51 of the motor, the sidewall of the lower sleeve 92 has a plurality of second expanding grooves 922 along the axial direction, and the outer surface of the lower sleeve 92 is an external conical surface matching the internal conical surface of the first conical hole 821; the second flange 91 is provided with a first threaded hole 911 corresponding to the second through hole 811 along the circumferential direction; the lower expanding sleeve 9 is sleeved on the motor output shaft 51, one end of the swing rod 6 is sleeved on the upper shaft sleeve 82, the upper expanding sleeve 8 is sleeved on the lower expanding sleeve 9, and the locking mechanism 10 sequentially penetrates through the second through hole 811, one end of the swing rod 6 and the first threaded hole 911 to fix the motor 5 and the swing rod 6; the other end of pendulum rod 6 is connected with walking embracing bag mechanism 3, and second through-hole and first screw hole are 8, along the circumferencial direction equipartition, and the quantity in the tight groove of first bloated tight groove second bloated is 8, and the tight groove of bloating is located same diametric (adjusting well) with the position of through-hole or screw hole, and the quantity of second screw hole is 4, along the circumferencial direction equipartition, and the second screw hole is located and is equipped with the elastic gasket before bolt and first ring flange for locking mechanism between two adjacent second through-holes is the bolt.

The first flange plate 81 is also provided with a plurality of second threaded holes 812 along the circumferential direction for detaching the expanded upper sleeve 8 and the expanded lower sleeve 9, when the swing rod and the motor output shaft need to be detached, the bolt only needs to be screwed into the second threaded hole of the upper shaft sleeve, the upper shaft sleeve is conveniently ejected, and the detachment is simple, convenient and labor-saving.

the conicity of the inner conical surface of the upper shaft sleeve 82 and the conicity of the outer conical surface of the lower shaft sleeve 92 are 1: 10; the widths of the first expansion groove 822 and the second expansion groove 922 are 1mm, and the effect of fixing the output shaft of the motor and the swing rod is best.

as shown in fig. 18, the bag pushing device of the present embodiment further includes dust removing assemblies respectively disposed on the left frame 32 and the right frame 33; the dust removal assembly comprises a dust prevention frame body, a front scraper 12 and a rear scraper 17; the protective frame body comprises a dustproof flat plate 13, two dustproof vertical plates 14, a front knife pressing plate 15 and a rear knife pressing plate 18; the front end of the dustproof flat plate 13 is movably connected with the front walking wheel component 16, and the rear end of the dustproof flat plate 13 is movably connected with the rear walking wheel component 19; the upper side edges of the two dustproof vertical plates 14 are fixedly connected with the left side edge and the right side edge of the dustproof flat plate 13 respectively; two side edges of the front knife pressing plate 15 are fixedly connected with the front side edges of the two dustproof vertical plates 14 respectively and are positioned in front of the front travelling wheel assembly 16, and two side edges of the rear knife pressing plate 18 are fixedly connected with the rear side edges of the two dustproof vertical plates 14 respectively and are positioned behind the rear travelling wheel assembly 19; the rear end of the front scraper 12 is hinged with the front walking wheel component 16, the front end of the front scraper is lapped on the tubular shaft 11 and matched with the upper surface of the tubular shaft 11, and the middle part of the upper surface of the front scraper 12 is abutted with the lower side edge of the front knife pressing plate 15; the front end of the rear scraper 17 is hinged with the rear travelling wheel assembly 19, the rear end of the rear scraper is lapped on the tubular shaft 11 and matched with the upper surface of the tubular shaft 11, and the middle part of the upper surface of the rear scraper 17 is abutted with the lower side edge of the rear knife pressing plate 18.

The front end of the dustproof flat plate and the front walking wheel component 16 as well as the rear end of the dustproof flat plate and the rear walking wheel component 19 are connected in a clamping manner or in a sliding manner, and the dustproof flat plate can move up and down relative to the side wall of the front walking wheel component 16 and the side wall of the rear walking wheel component 19. The clamping mode is that the dustproof flat plate can be selectively clamped between the front travelling wheel assembly and the rear travelling wheel assembly, the inner sides of the front travelling wheel assembly and the rear travelling wheel assembly are provided with lugs, the front end and the rear end of the dustproof flat plate are provided with clamping grooves matched with the lugs, and the lower end of each lug is provided with a stopper to prevent the clamping grooves of the dustproof flat plate from falling off when being clamped on the lugs of the front travelling wheel assembly and the rear travelling wheel assembly; the front end and the rear end of each dustproof flat plate are respectively provided with two parallel clamping grooves, correspondingly, the inner side bumps of each front travelling wheel assembly and each rear travelling wheel assembly are two bumps arranged along the vertical direction, the distance of the bumps in the vertical direction is larger than that of the scraper in the vertical direction, and the dustproof flat plates can move up and down relative to the side walls of the front travelling wheel assemblies and the rear travelling wheel assemblies in the up-and-down movement process of the scraper; the sliding connection mode can be equipped with vertical spout in the front on walking wheel subassembly and the back walking wheel subassembly, dustproof dull and stereotyped front end and rear end be equipped with the slider of spout adaptation, in the spout that the slider set up to the spout reciprocates relatively, preceding walking wheel subassembly, back walking wheel subassembly are three walking wheel subassemblies, including walking the walking wheel support body and setting up the three walking wheel of walking wheel support body upside, downside and outside.

in the embodiment, the middle parts of the upper side edges of the two dustproof vertical plates are fixedly connected with the middle parts of the left side edge and the right side edge of the dustproof flat plate respectively; two pressing knife boards can be L-shaped boards, the two ends of one side edge of the L-shaped board are fixedly connected with one side edge of two dustproof vertical plates respectively and are positioned on the outer side of the front walking wheel assembly, the end surface of the other side edge is in contact with a scraper, a notch is arranged at the joint of the dustproof vertical plate and the pressing knife board, and the bottom surface of the notch is a plane parallel to the axis of the tubular shaft, so that the pressing knife boards are convenient to install and position.

The dull and stereotyped material of dustproof is plastics, and the friction between preceding walking wheel subassembly and the back walking wheel subassembly is little, and the noise is little in the course of the work, and the pull rod is one, both ends respectively with left side frame and right side frame swing joint, the both ends of pull rod are located the upper and lower both sides of connecting piece respectively, the both ends of pull rod are connected with the upper end of left side frame, the lower extreme of right side frame respectively promptly, perhaps the both ends of pull rod are connected with the lower extreme of left side frame, the right-hand member of right side frame respectively, can realize connecting the synchronism of left side frame and right side frame motion can.

As shown in fig. 10, the bag clamp 322 includes a bag clamp base 3221, a fixing seat 3222, and at least one locking unit; one end of the fixed seat 3222 is connected to the four-bar linkage 321, and the other end thereof is provided with a connecting rod mounting hole for placing the connecting rod 41; the bag holding clamp base 3221 is mounted on the side wall of the fixed seat 3222, at least one group of mounting holes is formed in the side wall of the fixed seat 3222, and the number of the group of the mounting holes is the same as the number of the locking units; each group of mounting holes comprises two third threaded holes and two third through holes which are uniformly distributed along the same circumferential direction of the fixing seat 3222, and the two third through holes are adjacently arranged; each locking unit comprises two cylindrical blocks 3223 matched with the third through holes and two locking bolts 3224 matched with the third threaded holes; the two cylindrical blocks 3223 are respectively fixed in the two third through holes, and one end extending into the connecting fixing seat 3222 is provided with an arc-shaped groove matched with the outer surface of the connecting rod 41; two locking bolts 3224 are respectively disposed in the two third threaded holes, and the two cylindrical blocks 3223 and the two locking bolts 3224 lock the connecting rod 41 in the fixing seat 3222.

Two groups of locking units are arranged at the upper part and the middle part of the fixed seat 3222 respectively; the cross section of the fixing seat 3222 is quadrilateral; two threaded holes and two through holes are respectively arranged on four lateral edges of the fixing seat 3222 body.

The working process of the packet pushing device of the embodiment is as follows:

as shown in fig. 3, the left side is defined as the end tail of the bag pushing device, and the right side is defined as the end head of the bag pushing device; in the initial state, the walking bag holding mechanism 3 is positioned at the end head, and the bag holding cylinder is in a withdrawing state;

The motor outputs power, a motor output shaft is tightly connected with a swing rod through an expansion sleeve, the swing rod is driven to rotate, the swing rod drives a walking bag holding mechanism connected with the swing rod to move leftwards along a pipe shaft to the tail of the bag pushing device, a piston end of a bag holding cylinder extends out to drive four-bar mechanisms on a left frame and a right frame to swing, so that bag holding clamps of the left frame and the right frame are driven to move, the two bag holding clamps hold a material bag, meanwhile, a bag holding mechanism on the bag holding clamps clamp clamps a bag opening, then the motor outputs power, the motor output shaft is tightly connected with the swing rod through the expansion sleeve, the swing rod is driven to rotate, the swing rod drives the walking bag holding mechanism connected with the swing rod to move rightwards along the pipe shaft, the material bag is conveyed to an end, the bag holding cylinder retracts, the bag holding clamps open, and then edge folding;

After the material bag is removed, the motor outputs power, the motor output shaft drives the swing rod to rotate, and the swing rod drives the traveling bag holding mechanism connected with the swing rod to move leftwards along the pipe shaft and convey the traveling bag holding mechanism to the tail end of the bag pushing device to wait for the next action.

The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention.

Claims (10)

1. A bag pushing device comprises a frame body (1), a flat plate (2) arranged above the frame body (1), a walking bag holding mechanism (3) arranged on the frame body (1), a bag holding mechanism (4) arranged on the walking bag holding mechanism (3) and a driving mechanism used for driving the walking bag holding mechanism (3);

Two parallel tubular shafts (11) are arranged on the frame body (1);

the walking bag holding mechanism (3) comprises two front walking wheel assemblies (16) and two rear walking wheel assemblies (19) which can walk on the two tubular shafts (11), and connecting pieces (31) arranged on the two front walking wheel assemblies (16) and the two rear walking wheel assemblies (19); a left frame (32) and a right frame (33) arranged on the connecting piece (31); the left frame (32) and the right frame (33) are identical in structure and are symmetrically arranged, and the left frame (32) comprises a four-bar mechanism (321) and a bag holding clamp (322) arranged above the four-bar mechanism (321);

A bag holding cylinder (35) and a pull rod (34) are arranged between the left frame (32) and the right frame (33); the method is characterized in that:

the number of the pull rods (34) is one, and two ends of each pull rod are respectively hinged with the left frame (32) and the right frame (33);

the number of the bag holding cylinders (35) is one, and two ends of each bag holding cylinder are respectively connected with the lower ends of the left frame (32) and the right frame (33);

the bag supporting mechanism (4) comprises a connecting rod (41), a bag supporting rod (42) and a flexible rubber strip (43); one end of the connecting rod (41) is connected with the bag holding clamp (322), and the other end of the connecting rod is connected with the bag supporting rod (42);

The bag supporting rod (42) is of an I-shaped structure and comprises two long rods (421) which are arranged in parallel and a short rod (422) used for connecting the two long rods (421), and a fixing block mounting hole is formed in the inner side of each long rod (421);

the flexible rubber strip (43) comprises an adhesive tape (431) and a plurality of hollow elliptical rings (432) arranged on one side of the adhesive tape (431) side by side, and the major diameters of the plurality of hollow elliptical rings (432) are parallel to the long edge of the adhesive tape (431);

a fixed block (433) is arranged on the other side, opposite to the rubber strip (431), of each hollow elliptical ring (432);

and the fixing block (433) is arranged in the fixing block mounting hole.

2. the bag pushing device according to claim 1, wherein: the adhesive tape (431) is provided with a supporting bulge (434) and is positioned between the adjacent hollow elliptical rings (432);

the support protrusions (434) are flush with the major axis of the hollow elliptical ring (432) in the height direction.

3. The bag pushing device according to claim 2, wherein: the cross section of the supporting bulge (434) is triangular, parallelogram or trapezoidal, and the bottom edge of the supporting bulge is connected with the adhesive tape (431).

4. a bag pushing device according to claim 1, 2 or 3, wherein: the driving mechanism comprises a motor (5), a swing rod (6) and a wedge-shaped expansion sleeve for connecting the motor (5) and the swing rod (6);

The wedge-shaped expansion sleeve comprises an expansion upper sleeve (8), an expansion lower sleeve (9) and a locking mechanism (10);

The expansion upper sleeve (8) comprises a first flange plate (81) and an upper shaft sleeve (82) connected with the first flange plate (81), a first conical hole (821) is formed in the upper shaft sleeve (82), a plurality of first expansion grooves (822) are formed in the side wall of the upper shaft sleeve (82) along the axial direction, and a plurality of second through holes (811) are formed in the first flange plate (81) along the circumferential direction;

the lower expansion sleeve (9) comprises a second flange plate (91) and a lower shaft sleeve (92) connected with the second flange plate (91), the lower shaft sleeve (92) is provided with a first through hole (921) matched with the motor output shaft (51), the side wall of the lower shaft sleeve (92) is provided with a plurality of second expansion grooves (922) along the axial direction, and the outer surface of the lower shaft sleeve (92) is an outer conical surface matched with the inner conical surface of the first conical hole (821); a first threaded hole (911) corresponding to the second through hole (811) is formed in the second flange plate (91) along the circumferential direction;

The lower expanding sleeve (9) is sleeved on the motor output shaft (51), one end of the swing rod (6) is sleeved on the upper shaft sleeve (82), the upper expanding sleeve (8) is sleeved on the lower expanding sleeve (9), and the locking mechanism (10) sequentially penetrates through the second through hole (811), one end of the swing rod (6) and the first threaded hole (911) to fix the motor (5) and the swing rod (6);

the other end of the swing rod (6) is connected with a connecting piece (31) of the walking bag holding mechanism (3).

5. the bag pushing device according to claim 4, wherein: the first flange plate (81) is also provided with a plurality of second threaded holes (812) along the circumferential direction, and the second threaded holes are used for detaching the expansion upper sleeve (8) and the expansion lower sleeve (9).

6. the bag pushing device according to claim 5, wherein: the conicity of the inner conical surface of the upper shaft sleeve (82) and the conicity of the outer conical surface of the lower shaft sleeve (92) are 1: 10;

The width of the first expansion groove (822) and the second expansion groove (922) is 1 mm.

7. The bag pushing device according to claim 6, wherein: the dust removal device also comprises dust removal components respectively arranged on the left frame (32) and the right frame (33);

The dust removal assembly comprises a dust prevention frame body, a front scraper (12) and a rear scraper (17);

the dustproof frame body comprises a dustproof flat plate (13), two dustproof vertical plates (14), a front knife pressing plate (15) and a rear knife pressing plate (18);

The front end of the dustproof flat plate (13) is movably connected with the front walking wheel assembly (16), and the rear end of the dustproof flat plate (13) is movably connected with the rear walking wheel assembly (19);

The upper side edges of the two dustproof vertical plates (14) are fixedly connected with the left side edge and the right side edge of the dustproof flat plate (13) respectively;

two side edges of the front knife pressing plate (15) are fixedly connected with the front side edges of the two dustproof vertical plates (14) respectively and are positioned in front of the front walking wheel assembly (16), and two side edges of the rear knife pressing plate (18) are fixedly connected with the rear side edges of the two dustproof vertical plates (14) respectively and are positioned behind the rear walking wheel assembly (19);

the rear end of the front scraper (12) is hinged with the front walking wheel assembly (16), the front end of the front scraper is lapped on the tubular shaft (11) and matched with the upper surface of the tubular shaft (11), and the middle part of the upper surface of the front scraper (12) is abutted against the lower side edge of the front knife pressing plate (15);

The front end of the rear scraper (17) is hinged to the rear travelling wheel assembly (19), the rear end of the rear scraper is lapped on the tubular shaft (11) and matched with the upper surface of the tubular shaft (11), and the middle of the upper surface of the rear scraper (17) is abutted to the lower side edge of the rear knife pressing plate (18).

8. The bag pushing device according to claim 7, wherein: the front end of the dustproof flat plate and the front walking wheel assembly (16) as well as the rear end of the dustproof flat plate and the rear walking wheel assembly (19) are connected in a clamping manner or in a sliding manner, and the dustproof flat plate can move up and down relative to the side wall of the front walking wheel assembly (16) and the side wall of the rear walking wheel assembly (19).

9. the bag pushing device according to claim 8, wherein: the bag holding clamp (322) comprises a bag holding clamp base body (3221), a fixing seat (3222) and at least one locking unit;

one end of the fixed seat (3222) is connected with the four-bar linkage (321), and the other end of the fixed seat is provided with a connecting rod mounting hole for placing the connecting rod (41); the bag holding clamp base body (3221) is arranged on the side wall of the fixed seat (3222),

At least one group of mounting holes are formed in the side wall of the fixed seat (3222), and the number of the groups of the mounting holes is the same as the number of the locking units;

each group of mounting holes comprises two third threaded holes and two third through holes which are uniformly distributed along the same circumferential direction of the fixing seat (3222), and the two third through holes are arranged adjacently;

each locking unit comprises two cylindrical blocks (3223) matched with the third through holes and two locking bolts (3224) matched with the third threaded holes;

the two cylindrical blocks (3223) are respectively fixed in the two third through holes, and one end extending into the connecting fixing seat (3222) is provided with an arc-shaped groove matched with the outer surface of the connecting rod (41);

two locking bolts (3224) are respectively arranged in the two third threaded holes, and the two cylindrical blocks (3223) and the two locking bolts (3224) lock the connecting rod (41) in the fixing seat (3222).

10. The bag pushing device according to claim 9, wherein: the two groups of locking units are respectively arranged at the upper part and the middle part of the fixed seat (3222);

the cross section of the fixed seat (3222) is quadrilateral;

the two threaded holes and the two through holes are respectively arranged on four side edges of the fixing seat (3222) body.