CN115258222A

CN115258222A - Horizontal full-automatic bagging machine

Info

Publication number: CN115258222A
Application number: CN202210589358.7A
Authority: CN
Inventors: 鲁文民; 刘树锋
Original assignee: Dongguan Changfa Intelligent Packaging Technology Co ltd
Current assignee: Dongguan Changfa Intelligent Packaging Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-01

Abstract

The invention discloses a horizontal full-automatic bagging machine which comprises a packaging bag conveying mechanism, a product conveying mechanism and a product pushing mechanism, wherein the product conveying mechanism conveys products to the product pushing mechanism, and the product pushing mechanism pushes the products into a packaging bag along a third direction; the packaging bag conveying mechanism comprises a first rack and a packaging bag conveying driving assembly, a conveying table extending along a first direction is arranged at the top of the first rack, the pushing assembly is positioned below the conveying table, the pushing assembly comprises a plurality of pushing plates arranged at intervals, the packaging bag conveying driving assembly drives the pushing plates to do circular curvilinear motion above and below the hollow groove, and the packaging bag is pushed by the pushing plates. Compared with the prior art, the conveying device does not need to be conveyed through a conveying belt and is pushed through the pushing plate, deviation caused by small friction force of the conveying belt and the packaging bags is avoided, and the packaging bags can be accurately conveyed.

Description

Horizontal full-automatic machine automatic bagging machine

Technical Field

The invention relates to the technical field of bagging machines, in particular to a horizontal full-automatic bagging machine.

Background

Fully automatic bagging machines generally refer to the whole packaging process of filling products into packaging bags, and various fully automatic bagging machines are disclosed in the prior art, as shown in patent CN209274931U, CN111776334B and the like; the bagging machine in the prior art mainly has several problems that (1) the conveying and positioning of the packaging bags are not accurate; (2) product conveying, complex structure and high equipment cost; (3) When a product is pushed into a packaging bag, for fluffy products such as masks, the masks are taken as an example, when 10 masks are packaged as a group, 10 mask layers are overlapped together, when the existing pushing hands push the 10 masks in the group, the overlapped masks are staggered and scattered, and the products cannot be pushed into the packaging bag or are pushed into the packaging bag in order.

Disclosure of Invention

Based on the above, the invention aims to provide the horizontal full-automatic bagging machine, which can accurately position the packaging bag during conveying.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a horizontal full-automatic bagging machine, which comprises:

a package bag conveying mechanism that conveys the package bag in a first direction;

a product conveying mechanism that conveys a product in a first direction;

the product pushing mechanism conveys the product to the product pushing mechanism, and pushes the product into the packaging bag along a third direction;

wherein, wrapping bag conveying mechanism includes that first frame and wrapping bag carry drive assembly, the top of first frame is provided with the transport platform that extends along the first direction, carry the bench to be provided with the cavity groove, the wrapping bag carry drive assembly set up in the first frame, its output is provided with the promotion subassembly, the promotion subassembly is located carry the below of platform, the promotion subassembly is including the slurcam that a plurality of intervals set up, the slurcam can pass the cavity groove, the drive assembly drive is carried to the wrapping bag the slurcam is in the top and the below of cavity groove are endless curvilinear motion, the wrapping bag quilt the slurcam promotes.

Further, the pushing assembly further comprises:

the swing part, it includes first swing board, second swing board and swing arm, first swing board with the one end of second swing board all with first frame rotates to be connected, the other end of first swing board rotates to be connected the one end of swing arm, the other end of swing arm rotates to be connected the other end of second swing board, the middle part of swing arm rotates and is connected with the rocker, and is a plurality of the slurcam set up in on the rocker.

Further, the swing arm includes the swing arm body, and its one end downwarping extension is provided with first connecting hole, and the other end upwarping extension is provided with the second connecting hole, and its middle part upwards extends and is provided with the third connecting hole.

Further, the product conveying mechanism includes:

the top of the second rack is provided with a feeding channel arranged along a first direction;

the product conveying component is arranged on the second rack and comprises a front conveying component and a rear conveying component, and the position deviation distance of the front conveying component and the rear conveying component along the first direction is m;

the product propelling movement part is provided with a plurality of groups, and its one side is connected preceding conveying part sets up to first tie point, and the opposite side is connected back conveying part sets up to the second tie point, first tie point with the position deviation distance of second tie point along first direction is n, and m equals n, product conveying part pushes away product to discharge gate department on the material loading passageway one by one along first direction drive product propelling movement part.

Further, the front conveying component comprises a front first rotating wheel, a front second rotating wheel, a front third rotating wheel, a front fourth rotating wheel and a front belt;

the front belt is sleeved on the front first rotating wheel, the front second rotating wheel, the front third rotating wheel and the front fourth rotating wheel;

the rear conveying component comprises a rear first rotating wheel, a rear second rotating wheel, a rear third rotating wheel, a rear fourth rotating wheel and a rear belt;

the rear belt is sleeved on the rear first rotating wheel, the rear second rotating wheel, the rear third rotating wheel and the rear fourth rotating wheel.

Further, the product pushing member includes:

a first connecting rod is arranged on one side of the base and connected with the front belt, and a second connecting rod is arranged on the other side of the base and connected with the rear belt;

the push rods are arranged in two groups and vertically arranged on the base side by side along the second direction in an extending mode.

Further, be provided with the mount pad on the base, be provided with the installation pole on the mount pad, the bottom of push rod is provided with the push rod seat, the push rod seat with the installation pole rotates to be connected, the cover is equipped with torsion spring on the installation pole.

Further, the product pushing mechanism includes:

a third frame on which a retainer plate is disposed, the retainer plate being configured to be capable of reciprocating in a third direction;

the pressing component is arranged on the third rack and comprises a pressing driving component and a pressing plate, the output end of the pressing driving component is connected with the pressing plate, and the pressing plate is positioned right above the material supporting plate and can move along a second direction and a third direction respectively;

and the pushing assembly comprises a pushing plate, and the pushing plate is arranged between the material supporting plate and the material pressing plate and is configured to be capable of reciprocating along a third direction.

The pushing assembly further comprises a pushing driving component, the pushing driving component comprises a pushing motor, and the output end of the pushing motor is connected with the pushing plate so as to drive the pushing plate to reciprocate along a third direction;

the material pushing driving component further comprises a material pushing slide rail extending along the second direction, a material pushing slide seat is arranged on the material pushing slide rail and connected with the material pushing plate, and the output end of the material pushing motor is connected with the material pushing slide seat.

Further, the scraping wings slide set up in push away on the material slide, the both sides that push away the material slide are provided with and all push away the gag lever post, and are two sets of it is equipped with and pushes away the material spacing axle to push away the cover between the material gag lever post, it is provided with and pushes away the material spacing wheel to push away to rotate on the material spacing axle, the end of scraping wings be provided with push away the material spacing recess of material spacing wheel matched with, it is equipped with and pushes away material limiting spring to push away the cover on the material gag lever post, the one end that pushes away material limiting spring is fixed in push away the material gag lever post, other end butt push away material spacing axle, still be provided with the stop switch on the material slide to push away.

The invention has the beneficial effects that:

(1) Before the wrapping bag is carried on wrapping bag conveying mechanism, can set up card issuing mechanism at wrapping bag conveying mechanism's pan feeding mouth, card issuing mechanism sends the wrapping bag one by one into conveying platform on, the wrapping bag is on carrying the platform, wrapping bag transport drive assembly drive catch flap, the catch flap can pass the cavity groove makes the catch flap is in circular curvilinear motion is done to cavity groove's top and below, passes from bottom to top when the top of catch flap during the cavity groove, a set of catch flap wherein can promote the wrapping bag and remove, when the top of this set of catch flap that corresponds is less than during the cavity groove, the wrapping bag is not promoted this moment, and the wrapping bag is just in the bagging-off position this moment, and product conveying mechanism carries the product on product push mechanism this moment, and product push mechanism accomplishes the bagging-up in pushing the wrapping bag into the wrapping bag, then the promotion subassembly continues the motion, and pass again from bottom to top during the cavity groove, because the position and the initial position of wrapping bag have changed, just in time another set up the position of catch flap during the bag is just in the discharge gate that the bag was just in the position of sealing mechanism again. Compared with the prior art, the scheme provided by the invention has the advantages that the conveying is not needed through the conveying belt, the pushing is realized through the pushing plate, the deviation caused by small friction force between the conveying belt and the packaging bag is avoided, and the packaging bag can be accurately conveyed;

(2) The front conveying component and the rear conveying component drive the product pushing components to push products to the discharging opening one by one on the feeding channel along the first direction, and the position deviation distance of the front conveying component and the rear conveying component along the first direction is m, so that the position deviation n of a first connecting point and a second connecting point of the product pushing components is matched, when m is equal to n, the product pushing components are kept unchanged at the discharging opening and cannot turn over, the product pushing components can completely push the products to the discharging opening, extra components such as a pushing hook and the like are not needed, the structure is simpler, and the equipment cost is effectively reduced;

(3) Product conveying mechanism carries the flitch with superimposed product on, and the flitch pushes down and pushes down the product, and the product can not die completely to this place flitch, holds in the palm flitch and the flitch removes along the third direction in step, with product propelling movement to wrapping bag conveying mechanism, the flitch set up in between flitch and the flitch, the flitch promotes the product along the third direction, with in the sack of product follow wrapping bag pushes away the wrapping bag, compare in prior art, superimposed product is pressed flitch and holds in the middle of flitch clamp, can not misplace and scatter to the flitch can compress superimposed product, the wrapping bag need not design for bigger size, the effectual wrapping bag cost that has reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural view of a horizontal full-automatic bagging machine according to an embodiment of the invention;

fig. 2 is another schematic view of a visual structure of the horizontal type fully-automatic bagging machine according to the embodiment of the invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

fig. 4 is a schematic structural view of a bag opening mechanism of the horizontal full-automatic bag filling machine according to the embodiment of the invention;

fig. 5 is another schematic view of the bag opening mechanism of the horizontal fully-automatic bag filling machine according to the embodiment of the present invention;

fig. 6 is a schematic structural view of a conveying mechanism of a packaging bag of the horizontal full-automatic bagging machine according to the embodiment of the invention;

fig. 7 is another schematic view of the bag conveying mechanism of the horizontal fully-automatic bagging machine according to the embodiment of the invention;

fig. 8 is a partial structural schematic view of a packaging bag conveying mechanism of the horizontal full-automatic bagging machine according to the embodiment of the invention;

fig. 9 is a schematic structural view of a swing arm of a packaging bag conveying mechanism of the horizontal full-automatic bagging machine according to the embodiment of the invention;

fig. 10 is a schematic structural view of a product conveying mechanism of the horizontal full-automatic bagging machine according to the embodiment of the invention;

fig. 11 is a schematic structural view of a front conveying part, a rear conveying part and a product pushing part of a product conveying mechanism of the horizontal full-automatic bagging machine, provided by the embodiment of the invention;

fig. 12 is a partial structural schematic view of a product conveying mechanism of the horizontal full-automatic bagging machine provided by the embodiment of the invention;

fig. 13 is another partial schematic view of the product conveying mechanism of the horizontal fully automatic bagging machine according to the embodiment of the invention;

fig. 14 is a schematic structural view of a product pushing part of a product conveying mechanism of the horizontal full-automatic bagging machine, provided by the embodiment of the invention;

fig. 15 is a schematic structural view of a product pushing mechanism of the horizontal full-automatic bagging machine according to the embodiment of the present invention;

fig. 16 is another schematic view of the product pushing mechanism of the horizontal fully-automatic bagging machine according to the embodiment of the invention;

fig. 17 is an enlarged schematic view of fig. 16 at B;

fig. 18 is an enlarged schematic view of fig. 16 at C.

In the figure:

x, a first direction; y, a second direction; z, a third direction;

1. a packaging bag conveying mechanism; 11. a first frame; 12. a conveying table; 13. a hollow slot; 14. a push plate; 15. a first swing plate; 16. a second swing plate; 17. swinging arms; 171. a swing arm body; 172. a first connection hole; 173. a second connection hole; 174. a third connection hole; 18. placing a frame; 181. a bearing seat; 182. a bearing; 19. a packaging bag conveying drive assembly; 191. a first drive motor; 192. a first drive wheel; 193. a first follower wheel; 194. a first belt;

2. a product conveying mechanism; 21. a second frame; 211. a feeding channel; 213. a feeding through groove; 22. a product conveying member; 221. a front conveying member; 2211. a front first rotating wheel; 2212. a front second rotating wheel; 2213. A front third rotating wheel; 2214. a front fourth rotating wheel; 2215. a front belt; 222. a rear conveying member; 2221. A rear first rotating wheel; 2222. a rear second rotating wheel; 2223. a rear third rotating wheel; 2224. a rear fourth rotating wheel; 2225. a rear belt; 23. a product pushing component; 231. a base; 232. a first connecting rod; 233. a second connecting rod; 234. a push rod; 235. a mounting seat; 236. mounting a rod; 237. a push rod seat; 238. A torsion spring; 241. a front synchronizing wheel; 242. a rear synchronizing wheel; 25. a synchronizing wheel assembly; 251. a synchronizing shaft; 252. a first synchronizing wheel; 253. a second synchronizing wheel; 254. a third synchronizing wheel; 26. a feeding conveying assembly; 261. feeding a conveying belt;

3. a product pushing mechanism; 31. a third frame; 32. a material supporting plate; 33. a material pressing component; 331. a material pressing driving component; 3311. a material pressing cylinder; 3312. pressing and connecting plates; 33121. avoiding the mouth; 3313. a material pressing cylinder seat; 332. a material pressing plate; 34. a material pushing assembly; 341. a material pushing plate; 3411. a material pushing limiting groove; 342. A pusher driving section; 3421. a material pushing motor; 34211. a material pushing driving wheel; 34212. a pusher belt; 34213 pushing follower wheel; 3422. a material pushing slide rail; 3423. a material pushing slide seat; 3424. a material pushing limiting rod; 3425. a material pushing limiting shaft; 3426. a material pushing limiting wheel; 3427. a material pushing limit spring; 3428. a stop switch; 35. a material supporting driving component; 351. a material supporting driving motor; 352. a material supporting stabilizing seat; 353. a material supporting sleeve; 354. a material supporting driving wheel; 355. a material supporting connecting rod; 356. a material supporting connecting frame; 357. a material supporting slide bar; 36. A support assembly; 361. a support plate; 362. a support bar; 363. and supporting the wheels.

4. A card issuing mechanism;

5. a sealing mechanism;

6. a bag opening mechanism; 61. a bag support; 62. a bag opening cam; 63. a bag clamping cam; 64. a bag opening plate; 65. A bag opening wheel; 66. a bag clamping plate; 67. a bag clamping wheel; 68. a cam connecting shaft; 69. a cam drive assembly;

7. a suction cup holder; 71. a sucker is arranged; 72. a lower sucker; 73. and a suction cup driving assembly.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The embodiment of the invention provides a horizontal full-automatic bagging machine which can be used for packaging various types of products, such as masks, paperboard and the like.

As shown in fig. 1 to 18, the embodiment of the present invention provides a horizontal type full-automatic bagging machine, which includes a bag conveying mechanism 1 for conveying a bag in a first direction; a product conveying mechanism 2 that conveys products in a first direction; the product pushing mechanism 3 is used for conveying the product to the product conveying mechanism 3 by the product conveying mechanism 2, and the product pushing mechanism 3 pushes the product into the packaging bag along a third direction; wherein, wrapping bag conveying mechanism 1 includes that first frame 11 and wrapping bag carry drive assembly 19, the top of first frame 11 is provided with along the transport platform 12 of first direction extension, be provided with hollow groove 13 on carrying platform 12, wrapping bag carry drive assembly 19 set up in on the first frame 11, its output is provided with the promotion subassembly, the promotion subassembly is located carry the below of platform 12, the promotion subassembly is including the slurcam 14 that a plurality of intervals set up, slurcam 14 can pass hollow groove 13, wrapping bag carries drive assembly 19 drive slurcam 14 is in the curvilinear motion of circulation is done to hollow groove 13's top and below, the wrapping bag quilt the slurcam 14 promotes.

Specifically, in the embodiment of the present invention, before the packaging bags are conveyed on the packaging bag conveying mechanism 1, the card issuing mechanism 4 may be disposed at a feeding port of the packaging bag conveying mechanism 1, the card issuing mechanism 4 issues the packaging bags one by one onto the conveying platform, the packaging bags are on the conveying table 12, the packaging bag conveying driving assembly 19 drives the pushing plates 14, the pushing plates 14 can pass through the hollow grooves 13, so that the pushing plates 14 perform a circular curved motion above and below the hollow grooves 13, when the tops of the pushing plates 14 pass through the hollow grooves 13 from bottom to top, one group of the pushing plates 14 pushes the packaging bags to move, when the tops of the corresponding group of the pushing plates 14 are lower than the hollow grooves 13, the packaging bags are not pushed at this time, the packaging bags are located at a bagging position right at this time, at the same time the product conveying mechanism 2 conveys the products onto the product pushing mechanism 3, the product pushing mechanism 3 pushes the products into the packaging bags to complete bagging, then the pushing assemblies continue to move, when the tops of the pushing plates 14 pass through the hollow grooves 13 again from bottom to top, because the positions of the packaging bags are changed from the initial positions, and the bag opening of the pushing plates 14 is located at the other group of the pushing mechanisms 13, and when the bag opening of the packaging bags is located at this time, the bag conveying mechanism 14, the bag is located at this time, the bag opening of the bag conveying mechanism 1. Compared with the prior art, the scheme provided by the invention does not need to be conveyed through a conveying belt, is pushed through the pushing plate 14, does not have deviation caused by small friction force between the conveying belt and the packaging bag, and can accurately convey the packaging bag; the card issuing mechanism 4 and the sealing mechanism 5 are both related art, and are described in patent CN213229289U, CN215642752U, CN209514654U, etc., which will not be redundant here.

As a preferable mode of the embodiment of the present invention, in order to enable the pushing plate 14 to make a circular curved motion above and below the hollow groove 13, as shown in fig. 8, the pushing assembly further includes: swing part, it includes first swing board 15, second swing board 16 and swing arm 17, first swing board 15 with the one end of second swing board 16 all with first frame 11 rotates to be connected, the other end of first swing board 15 rotates to be connected the one end of swing arm 17, the other end of swing arm 17 rotates to be connected the other end of second swing board 16, the middle part of swing arm 17 rotates and is connected with swing frame 18, and is a plurality of slurcam 14 set up in on the swing frame 18. Further, as shown in fig. 9, the swing arm 17 includes a swing arm body 171, one end of which is bent downward and extended to be provided with a first connection hole 172, the other end of which is bent upward and extended to be provided with a second connection hole 173, and the middle of which is extended upward and provided with a third connection hole 174. Specifically, the one end of first swing board 15 through the pivot rotate set up in on the first frame 11, the other end of first swing board 15 through the pivot with the first connecting hole 172 of swing arm 17 rotates to be connected, the one end of second swing board 16 through the pivot rotate set up in on the first frame 11, the other end of second swing board 16 through the pivot with the second connecting hole 173 of swing arm 17 rotates to be connected, swing frame 18 through the pivot with the third connecting hole 174 of swing arm 17 rotates to be connected, and the output of drive assembly 19 is carried to the wrapping bag is connected first swing board 15 makes first swing board 15 can rotate round one end to make pushing plate 14 can the top and the below of cavity groove 13 are the curvilinear motion of circulation. Further, in order to make the movement of the swing frame 18 more stable, the swing members are provided in two sets. Further, the packaging bag conveying driving assembly 19 includes a first driving motor 191, an output end of the first driving motor 191 is provided with a first driving wheel 192, one end of one set of the first swinging plates 15 is provided with a rotating shaft, the rotating shaft is provided with a first follower wheel 193, a first belt 194 is sleeved between the first follower wheel 193 and the first driving wheel 192, and specifically, the first driving motor 191 rotates to drive the first driving wheel 192 to rotate, and the first follower wheel 193 is driven to rotate through the first belt 194, so that the first swinging plates 15 can rotate. Preferably, in order to keep the bag mouth direction unchanged when the wrapping bag is promoted by the pushing plate 14, and can not take place the off normal, cavity 13 is provided with two sets ofly, and the interval is side by side along the first direction extension, the rocker 18 is provided with two sets ofly, respectively one to one set up in the below of cavity 13, and is two sets of link through the rocker (not shown) between the rocker 18, all the interval is provided with a plurality of pushing plates 14 on the rocker 18 to per two pushing plates 14 parallel arrangement side by side, when the wrapping bag was promoted by pushing plate 14, two pushing points of two pushing plates 14 side by side have guaranteed that the wrapping bag can not incline the off normal. Preferably, a bearing seat 181 is disposed on one group of the swing frames 18, a bearing 182 is disposed on the bearing seat 181, and the swing frame 18 is rotatably connected to the swing arm 17 through the bearing 182. Specifically, the swing frame 18 is connected to the bearing 182 and the second connection hole 173 through the rotation shaft, so that the swing frame 18 is rotatably connected to the swing arm 17.

In the prior art, as shown in patent CN212243932U, a product is used for conveying paper jams on a feeding channel one by one to a material pushing position through a horizontal conveying assembly, wherein the material pushing position is located at a discharge port; the pushing hook component is arranged on one side of the discharge port and used for pushing the paperboard at the material pushing position into the packaging bag, and the pushing hook component must be arranged in the patent, so that when the horizontal conveying component conveys the paperboard to the discharge port, a push rod of the horizontal conveying component can turn over by 90 degrees, the horizontal conveying component cannot push the product to the discharge port, and the pushing hook component is needed, so that the structure is complex, and the cost of equipment is increased; in addition, when the product is too heavy, the horizontal conveying assembly can be broken and damaged. In order to solve the technical problem, as a preferable mode of the embodiment of the present invention, as shown in fig. 10 to 14, the product conveying mechanism 2 includes a second frame 21, a top of which is provided with a feeding passage 211 arranged along a first direction; a product conveying member 22, which is provided on the second frame 21, and includes a front conveying member 221 and a rear conveying member 222, and specifically, as shown in fig. 11, a positional deviation distance of the front conveying member 221 and the rear conveying member 222 in a first direction is m; the product pushing component 23 is provided with a plurality of groups, one side of the product pushing component is connected with the front conveying component 221 and is set as a first connecting point, the other side of the product pushing component is connected with the rear conveying component 222 and is set as a second connecting point, specifically, as shown in fig. 11, the position deviation distance of the first connecting point and the second connecting point along the first direction is n, m is equal to n, and the product conveying component 22 drives the product pushing component 23 to push products to the discharging opening on the feeding channel 211 one by one along the first direction.

Specifically, in the embodiment of the present invention, the front conveying component 221 and the rear conveying component 222 jointly drive the product pushing component 23 to push products one by one on the feeding channel 211 to the discharge port, because the position deviation distance of the front conveying component 221 and the rear conveying component 222 along the first direction is m, the product pushing component 23 is matched with the position deviation n of the first connection point and the second connection point of the product pushing component 23, when m is equal to n, the product pushing component 23 remains unchanged at the discharge port without turning over, the product pushing component 23 can completely push the products to the discharge port, and additional components such as a pushing hook are not required to be arranged, so that the structure is simpler, and the equipment cost is effectively reduced;

as a preferable mode of the embodiment of the present invention, as shown in fig. 10, 12 and 13, the front conveying member 221 includes a front first rotating wheel 2211, a front second rotating wheel 2212, a front third rotating wheel 2213, a front fourth rotating wheel 2214, and a front belt 2215; the front belt 2215 is sleeved on the front first rotating wheel 2211, the front second rotating wheel 2212, the front third rotating wheel 2213 and the front fourth rotating wheel 2214; the rear conveying member 222 includes a rear first rotating wheel 2221, a rear second rotating wheel 2222, a rear third rotating wheel 2223, a rear fourth rotating wheel 2224, and a rear belt 2225; the rear belt 2225 is sleeved on the rear first rotating wheel 2221, the rear second rotating wheel 2222, the rear third rotating wheel 2223, and the rear fourth rotating wheel 2224. Preferably, the front belt 2215 is sleeved on the front first rotating wheel 2211, the front second rotating wheel 2212, the front third rotating wheel 2213 and the front fourth rotating wheel 2214 and is shaped like a Chinese character 'kou'; the rear belt 2225 is sleeved on the rear first rotating wheel 2221, the rear second rotating wheel 2222, the rear third rotating wheel 2223 and the rear fourth rotating wheel 2224 in a square shape. Specifically, in the embodiment of the present invention, the front conveying component 221 and the rear conveying component 222 move, a plurality of product pushing components 23 are arranged between the front conveying component 221 and the rear conveying component 222 at intervals, one side of the product pushing component 23 is connected to the front belt 2215, the other side of the product pushing component 23 is connected to the rear belt 2225, and the product pushing components 23 push products one by one to the discharge port by the movement of the product pushing component 23 around the square through the common driving of the front belt 2215 and the rear belt 2225.

As a preferable mode of the embodiment of the present invention, as shown in fig. 10, 12, 13 and 14, the product pushing member 23 includes a base 231, one side of which is provided with a first connecting rod 232, the first connecting rod 232 is connected to the front belt 2215, the other side of the base 231 is provided with a second connecting rod 233, and the second connecting rod 233 is connected to the rear belt 2225; specifically, the deviation distance of the first connecting rod 232 and the second connecting rod 233 in the first direction is n, the deviation distance of the front belt 2215 and the rear belt 2225 in the first direction is m, and m is equal to n; and two groups of push rods 234 extending in a second direction and vertically arranged on the base 231 side by side. Specifically, the base 231 is driven to move by the front belt 2215 and the rear belt 2225, and then the push rod 234 pushes the product to move on the feeding channel 211, while the push rod 234 is kept vertical all the time; preferably, when the weight of the pushed product is too large or the pushing is jammed, in order to prevent the push rod 234 from being broken, the base 231 is provided with a mounting seat 235, the mounting seat 235 is provided with a mounting rod 236, the bottom of the push rod 234 is provided with a push rod seat 237, the push rod seat 237 is rotatably connected with the mounting rod 236, and the mounting rod 236 is sleeved with a torsion spring 238. Specifically, when the weight of the product is too large, the push rod 234 will turn over backwards when the push rod 234 pushes the product, which acts as a force-releasing buffer to prevent the push rod 234 from being broken. Furthermore, the feeding channel 211 is provided with two groups of feeding through grooves 213, the feeding through grooves 213 extend along a first direction, and the push rod 234 can extend out of the feeding through grooves 213. As a preferred mode of the embodiment of the present invention, as shown in fig. 10, 12 and 13, in order to synchronize the front conveying member 221 and the rear conveying member 222, the product conveying member 22 further includes a product conveying drive assembly (not shown) and a synchronizing wheel assembly 25; the front first rotating wheel 2211 is coaxially provided with a front synchronizing wheel 241, and the rear first rotating wheel 2221 is coaxially provided with a rear synchronizing wheel 242; the synchronizing wheel assembly 25 comprises a synchronizing shaft 251, a first synchronizing wheel 252 and a second synchronizing wheel 253 are respectively arranged on two sides of the synchronizing shaft 251, a third synchronizing wheel 254 is further arranged in the middle of the synchronizing shaft 251, the first synchronizing wheel 252 is meshed with the front synchronizing wheel 241, the second synchronizing wheel 253 is meshed with the rear synchronizing wheel 242, and the output end of the product conveying driving assembly is connected with the third synchronizing wheel 254. Specifically, the product conveying driving component is mainly a motor, an output end of the motor is connected to the third synchronizing wheel 254, the third synchronizing wheel 254 drives the synchronizing shaft 251 to rotate, the first synchronizing wheel 252 and the second synchronizing wheel 253 are driven to rotate accordingly, and then the front synchronizing wheel 241 and the rear synchronizing wheel 242 are driven to rotate synchronously. Further, the feed inlet of the feeding channel 211 is further provided with a product feed conveying assembly 26, and the product feed conveying assembly 26 comprises a feed conveying belt 261 for conveying the product. Specifically, the product needs product pan feeding conveyor components 26 to carry the product into in the material loading passageway 211 when being promoted by product propelling part 23 to improve conveying efficiency, the drive of pan feeding conveyer belt 261 is prior art, and is simple motor drive wheelset's structure, and here is no longer surplus.

In the prior art, products on a product conveying mechanism are pushed into a packaging bag of the packaging bag conveying mechanism through a pushing hand, however, when the products are fluffy like masks and the like, taking the masks as an example, when 10 products are packaged as a group, 10 mask layers are overlapped together, and the existing pushing hand pushes the 10 masks in one group, two problems exist, the first problem is that when the pushing hand pushes the 10 masks overlapped, the overlapped masks are staggered and scattered, and the products cannot be pushed into the packaging bag or are pushed into the packaging bag irregularly; the second problem is that since the masks are stacked to be fluffy, the packaging bags are large enough, and the bag openings of the packaging bags are large enough to be filled into the packaging bags, which increases the cost of the packaging bags. In order to solve this technical problem, as shown in fig. 15 to 18, the product pushing mechanism 3 includes a third frame 31 on which a retainer plate 32 is provided, the retainer plate 32 being configured to be reciprocally movable in a third direction; the pressing component 33 is arranged on the third frame 31, and includes a pressing driving component 331 and a pressing plate 332, an output end of the pressing driving component 331 is connected to the pressing plate 332, and the pressing plate 332 is located right above the retainer plate 32 and is configured to be capable of moving along a second direction and a third direction respectively; the pushing assembly 34 includes a pushing plate 341, and the pushing plate 341 is disposed between the retainer plate 32 and the pressing plate 332, and is configured to be capable of reciprocating in a third direction.

Specifically, product conveying mechanism 2 carries the superimposed product on the flitch 32, and the flitch 332 pushes down and pushes down the product, and here flitch 332 can not die the product completely, and flitch 32 and flitch 332 move along the third direction in step, with product propelling movement to wrapping bag conveying mechanism 1, scraping wings 341 set up in between flitch 332 and flitch 32 press the flitch 332 and hold in the palm the flitch, scraping wings 341 promote the product along the third direction, push the product in the wrapping bag from the sack of wrapping bag in, compare in prior art, the superimposed product is pressed flitch 332 and flitch 32 clamp in the middle of, can not misplace and scatter to flitch 332 can compress the superimposed product, and the wrapping bag need not be designed into bigger size, the effectual wrapping bag cost that has reduced.

As a preferable mode of the embodiment of the present invention, as shown in fig. 15, 16 and 18, the swaging component 33 further includes a swaging cylinder 3311, an output end of the swaging cylinder 3311 is connected to the swaging plate 332, the retainer plate 32 is connected to a swaging connecting plate 3312, the swaging connecting plate 3312 is connected to a swaging cylinder holder 3313, and the swaging cylinder 3311 is mounted on the swaging cylinder holder 3313; the material pressing cylinder 3311 drives the material pressing plate 332 to reciprocate up and down along the second direction, and the material pressing plate 332 and the retainer plate 32 synchronously move horizontally along the third direction. Specifically, the material pressing plate 332 is driven by the material pressing cylinder 3311 to press a product, and the material pressing component 33 and the material supporting plate 32 are connected together by the material pressing connecting plate 3312, so that the material pressing plate 332 and the material supporting plate 32 keep synchronous when moving along the third direction, further, it should be noted that the connecting position of the material pressing cylinder base 3313 and the material pressing connecting plate 3312 is adjustable up and down, so as to adapt to the heights of different products after being stacked, and ensure that the material pressing plate 332 can press the product without pressing the product.

As a preferable mode of the embodiment of the present invention, as shown in fig. 15 and 16, in order to drive the retainer plate 32 and the material pressing plate 332 to move along the third direction, a retainer driving assembly 35 is further disposed on the third frame 31, the retainer driving assembly 35 includes a retainer driving motor 351, and an output end of the retainer driving motor 351 is connected to the retainer plate 32 to drive the retainer plate 32 to move back and forth along the third direction. Further, the material supporting driving assembly 35 further includes a material supporting stabilizing seat 352, a material supporting sleeve 353 is disposed on the material supporting stabilizing seat 352, a material supporting driving wheel 354 is disposed at an output end of the material supporting driving motor 351, a material supporting connecting rod 355 is rotatably connected to an edge of the material supporting driving wheel 354, a material supporting connecting frame 356 is rotatably connected to the other end of the material supporting connecting rod 355, two material supporting sliding rods 357 are disposed at intervals on the material supporting connecting frame 356, one of the material supporting sliding rods 357 penetrates through the material supporting sleeve 353, and the other end of the two material supporting sliding rods 357 is connected to the material pressing connecting plate 3312. Specifically, the material supporting driving motor 351 drives the material supporting driving wheel 354 to rotate, then drives the material supporting connecting rod 355 to move in a reciprocating manner, the material supporting connecting frame 356 is also driven to move, the material supporting connecting frame 356 drives the material supporting sliding rod 357 to move, the material supporting sliding rod 357 drives the material pressing connecting plate 3312 to move in a reciprocating manner along the third direction, the material supporting sliding rod 357 is sleeved on the material supporting sleeve 353, and the stability of the material supporting sliding rod 357 in moving along the third direction is maintained through the material supporting stabilizing seat 352.

As a preferable mode of the embodiment of the present invention, as shown in fig. 15, 16 and 17, the pushing assembly 34 further includes a pushing driving component 342, the pushing driving component 342 includes a pushing motor 3421, an output end of the pushing motor 3421 is connected to the pushing plate 341 to drive the pushing plate 341 to move back and forth along a third direction; the pushing driving component 342 further includes a pushing slide rail 3422 extending along the second direction, the pushing slide rail 3422 is provided with a pushing slide seat 3423, the pushing slide seat 3423 is connected to the pushing plate 341, and the output end of the pushing motor 3421 is connected to the pushing slide seat 3423. Further, the material pushing plate 341 is slidably disposed on the material pushing slide seat 3423, two sides of the material pushing slide seat 3423 are provided with material pushing limiting rods 3424, a material pushing limiting shaft 3425 is sleeved between the two sets of material pushing limiting rods 3424, the material pushing limiting shaft 3425 is rotatably provided with a material pushing limiting wheel 3426, the end of the material pushing plate 341 is provided with a material pushing limiting groove 3411 matched with the material pushing limiting wheel 3426, the material pushing limiting rod 3424 is sleeved with a material pushing limiting spring 3427, one end of the material pushing limiting spring 3427 is fixed to the material pushing limiting rod 3424, the other end of the material pushing limiting spring 3427 abuts against the material pushing limiting shaft 3425, and the material pushing slide seat 3423 is further provided with an intercepting switch 3428. Further, the pushing driving component 342 further includes a pushing driving wheel 34211, a pushing follower wheel 34213 and a pushing belt 34212, the output end of the pushing motor 3421 is connected to the pushing driving wheel 34211, the pushing belt 34212 is sleeved between the pushing driving wheel 34211 and the pushing follower wheel 34213, and the pushing belt 34212 is connected to the pushing slide 3423. Specifically, in the embodiment of the present invention, the pushing driving wheel 34211 is driven to rotate by the pushing motor 3421, so as to drive the pushing belt 34212 to rotate, and the pushing belt 34212 further drives the pushing slide seat 3423 to move on the pushing slide rail 3422 in the third direction, so as to drive the pushing plate 341 to move in the third direction, because the tops of the pushing plate 341 and the pushing slide seat 3423 are not completely and fixedly connected, the pushing plate 341 needs to be clamped into the pushing limiting groove 3411 by using the pushing limiting wheel 3426, so that the pushing plate 341 is clamped between the pushing slide seat 3423 and the pushing limiting wheel 3426, as the pushing plate 341 is pushed by the pushing plate 341 and other failures occur, the front end of the pushing plate 341 cannot push a product, the pushing slide seat 3423 at the end of the pushing plate 341 keeps sliding, because the upper and lower positions of the pushing limiting wheel 3426 are limited by the pushing limiting spring 3427, the pushing limiting wheel 3426 will move out of the pushing limiting groove 3411 as the pushing plate 3423 slides, and the pushing stop switch 3428 on the pushing slide seat 3423, thereby controlling the operation of the horizontal bagging machine automatically. As a preferred mode of carrying out the present invention, as shown in fig. 15, 16 and 17, an avoiding port 33121 is provided at a middle portion of the swage connecting plate 3312, and the ejector plate 341 passes through the avoiding port 33121. Further, a supporting component 36 is arranged on the swaging connecting plate 3312, the supporting component 36 includes two sets of supporting plates 361 arranged at intervals, the supporting plates 361 are connected with the swaging connecting plate 3312, supporting rods 362 are arranged between the two sets of supporting plates 361, two sets of supporting rods 362 are arranged, supporting wheels 363 are rotatably arranged on the supporting rods 362, and the material pushing plate 341 penetrates between the two sets of supporting wheels 363. Specifically, in the embodiment of the present invention, since one end of each of the two ends of the material pushing plate 341 is located on the material pushing slide seat 3423, and the other end is located on the material supporting plate 32, in order to solve the problem that the friction between the material pushing plate 341 and the material supporting plate 32 increases the energy consumption, by providing the supporting component 36, the middle of the material pushing plate 341 is clamped and fixed between the two sets of supporting wheels 363, and at the head of the material pushing plate 341, the material pushing plate 341 does not rub against the material supporting plate 32, thereby reducing the energy consumption.

As a preferable mode of the embodiment of the present invention, as shown in fig. 1 to 5, in order to more smoothly push a product into a packaging bag on the packaging bag conveying mechanism 1, the third rack 31 is further provided with a bag opening mechanism 6 and an upper suction cup 71, specifically, the third rack 31 is provided with a suction cup rack 7, the suction cup rack 7 is provided with two sets of suction cup driving assemblies 73, an output end of each suction cup driving assembly 73 is connected with the upper suction cup 71, and a corresponding lower suction cup 72 is arranged below the upper suction cup 71, in the embodiment of the present invention, the lower suction cup 72 is arranged on the conveying table 12 of the packaging bag conveying mechanism 1, when the packaging bag is conveyed to the middle of the upper suction cup 71 and the lower suction cup 72, the lower suction cup 72 sucks a lower portion of the bag opening, and the suction cup driving assembly 73 drives the upper suction cup 71 downwards to suck an upper portion of the bag opening, so that the bag opening is opened, and the product is conveniently pushed into the packaging bag from the bag opening; further, the bag supporting mechanisms 6 are arranged in two groups and are arranged at intervals side by side, the gap between the two groups of bag supporting mechanisms 6 is the moving position of the material pressing plate 332, the material supporting plate 32 and the material pushing plate 341, the bag supporting mechanism 6 comprises a bag supporting frame 61, a cam connecting shaft 68 is arranged on the bag supporting frame 61 in a rotating mode, one end of the cam connecting shaft 68 is connected with a cam driving assembly 69 through a reversing tooth, the other end of the cam connecting shaft 68 is connected with a bag supporting cam 62 and a bag clamping cam 63, the bag clamping cam 63 is positioned above the bag supporting cam 62, the bag clamping cam 63 and the periphery of the bag supporting cam 62 are provided with a protruding part, the bag supporting frame 61 is further provided with a bag clamping plate 66 and a bag supporting plate 64, the middle part of the bag supporting plate 64 is connected with the bag supporting frame 61 in a rotating mode, prop the one end of bag board 64 and be provided with and prop bag wheel 65 and be connected, the other end is provided with the bag head through spring and propping bag frame 61, prop bag cam 62 and rotate, prop bag cam 62's bulge can the butt prop bag wheel 65, make prop bag board 64 and rotate, two sets of bag board 64 cooperations of propping open to two sides of rotating, swing certain angle can stretch into the inboard of the both sides of the sack of wrapping bag, play the effect of propping the bag, simultaneously the middle part of pressing from both sides bag board 66 with prop bag frame 61 and rotate and connect, the one end of pressing from both sides bag board 66 is provided with presss from both sides bag wheel 67 and is connected, the other end is provided with and presss from both sides the bag head through spring and propping bag frame 61, press from both sides bag cam 63 and rotates, the bulge of pressing from both sides bag cam 63 can the butt press from both sides bag wheel 67. Make it rotates to press from both sides pocket board 66, two sets of bag board 66 contract to the centre respectively, the both sides in the outside of wrapping bag sack can be cliied to the angle of swing one end, through bag board 66 and the cooperation of propping bag board 64, make the wrapping bag sack strutted, and when the product pushed, the wrapping bag can not remove, make the packing more smooth and easy high-efficient, after in the product pushed the wrapping bag, press from both sides bag cam 63 and prop bag cam 62 and continue to rotate, when the bulge does not have butt to press from both sides bag wheel 67 and prop bag wheel 65, under the effect of spring, prop bag board 64 and press from both sides bag board 66 and reset.

It is to be noted that the foregoing description is only exemplary of the invention and that the principles of the technology may be employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a horizontal full-automatic sack filling machine which characterized in that includes:

a packaging bag conveying mechanism (1) which conveys packaging bags along a first direction;

a product conveying mechanism (2) which conveys products in a first direction;

the product conveying mechanism (2) conveys the products to the product pushing mechanism (3), and the product pushing mechanism (3) pushes the products into the packaging bag along a third direction;

wherein, wrapping bag conveying mechanism (1) includes that first frame (11) and wrapping bag carry drive assembly (19), the top of first frame (11) is provided with carries platform (12) along the first direction extension, carry and be provided with hollow groove (13) on platform (12), wrapping bag carry drive assembly (19) set up in on first frame (11), its output is provided with the promotion subassembly, the promotion subassembly is located carry the below of platform (12), the promotion subassembly is including slurcam (14) that a plurality of intervals set up, slurcam (14) can pass hollow groove (13), wrapping bag carries drive assembly (19) drive slurcam (14) are in circular curvilinear motion is done to the top and the below of hollow groove (13), the wrapping bag quilt slurcam (14) promote.

2. The horizontal fully-automatic bagger of claim 1 wherein the pusher assembly further comprises:

swing parts, it includes first swing board (15), second swing board (16) and swing arm (17), first swing board (15) with the one end of second swing board (16) all with first frame (11) rotate to be connected, the other end of first swing board (15) rotates to be connected the one end of swing arm (17), the other end of swing arm (17) rotates to be connected the other end of second swing board (16), the middle part of swing arm (17) rotates and is connected with rocker (8), and is a plurality of push plate (14) set up in on rocker (8).

3. The horizontal full-automatic bagging machine according to claim 2, wherein the swing arm (17) comprises a swing arm body (171) with one end provided with a first connecting hole (172) extending in a downward bending way and the other end provided with a second connecting hole (173) extending in an upward bending way, and the middle part provided with a third connecting hole (174) extending in an upward bending way.

4. The horizontal fully-automatic bagging machine according to claim 1, characterized in that the product conveying mechanism (2) comprises:

a feeding channel (211) arranged along a first direction is arranged at the top of the second frame (21);

a product conveying member (22) which is provided on the second frame (21), and which includes a front conveying member (221) and a rear conveying member (222), wherein a positional deviation distance of the front conveying member (221) and the rear conveying member (222) along a first direction is m;

product propelling movement part (23) is provided with a plurality of groups, and its one side is connected preceding conveying part (221) sets up to first tie point, and the opposite side is connected back conveying part (222) sets up to the second tie point, first tie point with the position deviation distance of second tie point along first direction is n, and m equals n, product conveying part (22) is along first direction drive product propelling movement part (23) propelling movement product to discharge gate department one by one on material loading passageway (211).

5. The horizontal type fully automatic bagging machine according to claim 4, wherein the front conveying member (221) comprises a front first rotating wheel (2211), a front second rotating wheel (2212), a front third rotating wheel (2213), a front fourth rotating wheel (2214), and a front belt (2215);

the front belt (2215) is sleeved on the front first rotating wheel (2211), the front second rotating wheel (2212), the front third rotating wheel (2213) and the front fourth rotating wheel (2214);

the rear conveying member (222) includes a rear first rotating wheel (2221), a rear second rotating wheel (2222), a rear third rotating wheel (2223), a rear fourth rotating wheel (2224), and a rear belt (2225);

the rear belt (2225) is sleeved on the rear first rotating wheel (2221), the rear second rotating wheel (2222), the rear third rotating wheel (2223), and the rear fourth rotating wheel (2224).

6. The product conveying mechanism (2) of the horizontal full-automatic bagging machine according to claim 5, wherein the product pushing member (23) comprises:

a base (231), one side of which is provided with a first connecting rod (232), the first connecting rod (232) is connected with the front belt (2215), the other side of the base (231) is provided with a second connecting rod (233), and the second connecting rod (233) is connected with the rear belt (2225);

the push rods (234) are arranged in two groups and vertically arranged on the base (231) side by side along the second direction.

7. The horizontal type full-automatic bagging machine according to claim 6, wherein a mounting seat (235) is arranged on the base (231), a mounting rod (236) is arranged on the mounting seat (235), a push rod seat (237) is arranged at the bottom of the push rod (234), the push rod seat (237) is rotatably connected with the mounting rod (236), and a torsion spring (238) is sleeved on the mounting rod (236).

8. The horizontal fully-automatic bag loader according to any one of claims 1 to 7 wherein the product push mechanism (3) comprises:

a third frame (31) on which a retainer plate (32) is disposed, the retainer plate (32) being configured to be reciprocally movable in a third direction;

the pressing component (33) is arranged on the third rack (31) and comprises a pressing driving component (331) and a pressing plate (332), the output end of the pressing driving component (331) is connected with the pressing plate (332), and the pressing plate (332) is positioned right above the retainer plate (32) and can move along a second direction and a third direction respectively;

the material pushing assembly (34) comprises a material pushing plate (341), and the material pushing plate (341) is arranged between the material supporting plate (32) and the material pressing plate (332) and is configured to be capable of reciprocating along a third direction.

9. The horizontal full-automatic bagging machine as claimed in claim 8, wherein the pushing assembly (34) further comprises a pushing driving part (342), the pushing driving part (342) comprises a pushing motor (3421), and the output end of the pushing motor (3421) is connected with the pushing plate (341) to drive the pushing plate (341) to move back and forth in a third direction;

the material pushing driving component (342) further comprises a material pushing slide rail (3422) extending along the second direction, a material pushing slide seat (3423) is arranged on the material pushing slide rail (3422), the material pushing slide seat (3423) is connected with the material pushing plate (341), and the output end of the material pushing motor (3421) is connected with the material pushing slide seat (3423).

10. The horizontal full-automatic bagging machine according to claim 9 is characterized in that the material pushing plates (341) are slidably arranged on the material pushing slide base (3423), two sides of the material pushing slide base (3423) are provided with material pushing limiting rods (3424), a material pushing limiting shaft (3425) is sleeved between the two groups of material pushing limiting rods (3424), the material pushing limiting shaft (3425) is rotatably provided with a material pushing limiting wheel (3426), the tail end of each material pushing plate (341) is provided with a material pushing limiting groove (3411) matched with the material pushing limiting wheel (3426), the material pushing limiting rod (3424) is sleeved with a material pushing limiting spring (3427), one end of each material pushing limiting spring (3427) is fixed to the material pushing limiting rod (3424), the other end of each material pushing limiting spring abuts against the material pushing limiting shaft (3425), and the material pushing slide base (3423) is further provided with a stop switch (3428).