CN221138825U - Cover blanking machine - Google Patents

Abstract

The utility model discloses a cover blanking machine, which comprises: the blanking conveyor belt is provided with a material dividing plate, and the material dividing plate divides the upper part of the blanking conveyor belt into at least two blanking channels; the turnover mechanism is connected to the rear end of the blanking conveying belt, is arranged in one-to-one correspondence with the blanking channels and is used for turning the cover bodies sent out by the blanking channels from a flat state to an upright state; the material piling grooves are connected with the output ends of the turnover mechanisms, are arranged in one-to-one correspondence with the turnover mechanisms and are used for piling up the cover bodies turned into an upright state; the ejection mechanisms are arranged in one-to-one correspondence with the stacking grooves, and are used for pushing the cover bodies overturned by the overturning mechanisms into the stacking grooves. According to the scheme, the cover body which is horizontally placed can be automatically turned over and then vertically stacked, so that scattered stacking of the blanking of the lunch box cover is avoided, the procedure of post manual stacking and arranging is omitted, the arrangement of the stacked lunch box cover is compact, and the occupied space is smaller.

Description

Cover blanking machine

Technical Field

The application relates to the technical field of automatic blanking equipment, in particular to a cover blanking machine.

Background

In the technical field of automatic production and detection equipment of lunch boxes, the process of blanking and collecting the produced and detected lunch boxes is often involved, so that special equipment suitable for production and detection of the lunch boxes is needed. In the traditional blanking equipment, the lunch box covers are conveyed into the collecting box by the conveyor belt, the collected lunch box covers are placed in disorder, and then the lunch box covers are manually arranged and stacked, so that the degree of dependence on manpower is high; and the scattered and piled lunch box covers occupy larger space, the quantity of the lunch box covers which can be collected at one time of the collecting box is smaller, and the collecting box needs to be replaced frequently.

Disclosure of utility model

The aim of the embodiment of the utility model is that: the utility model provides a lid blanking machine, it can solve the above-mentioned problem that exists among the prior art.

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

A cover blanking machine, comprising:

The blanking conveyor belt is provided with a material dividing plate, and the material dividing plate divides the upper part of the blanking conveyor belt into at least two blanking channels;

The turnover mechanism is connected to the rear end of the blanking conveying belt, is arranged in one-to-one correspondence with the blanking channels and is used for turning the cover bodies sent out by the blanking channels from a flat state to an upright state;

the material piling grooves are connected with the output ends of the turnover mechanisms, are arranged in one-to-one correspondence with the turnover mechanisms and are used for piling up the cover bodies turned into an upright state;

the ejection mechanisms are arranged in one-to-one correspondence with the stacking grooves, and are used for pushing the cover bodies overturned by the overturning mechanisms into the stacking grooves.

Optionally, tilting mechanism includes slide base, slide side guard plate and slide outer baffle, be provided with two on the slide base and be parallel to each other slide side guard plate, two the opposite sides of slide side guard plate are connected with one respectively slide outer baffle, two distance between the slide side guard plate with the width of lid corresponds, slide outer baffle with distance between the slide base corresponds with the thickness of lid makes slide base slide side guard plate with enclose into between the slide outer baffle and allow the one-way upset slide of passing through of lid, the upset slide includes arc section and vertical section, arc section upper end links up the unloading conveyer belt, and the lower extreme is connected the upper end of vertical section, vertical section lower extreme links up the stacker.

Optionally, the lower tip of slide base is provided with the liftout mouth, ejection mechanism set up in the slide base, just ejection mechanism aligns the liftout mouth, ejection mechanism passes through the liftout mouth can with the lid is pushed away from the upset slide makes the lid gets into in the windrow groove.

Optionally, the device further comprises a pushing mechanism and a counter, wherein the pushing mechanism is in linkage control with the counter and is used for quantitatively pushing out the cover bodies stacked on the stacker.

Optionally, the slide base is equipped with the count and detects the mouth, the counter set up in the slide base, the counter accessible count detects the taste should pass through the lid of upset slide.

Optionally, the pushing equipment includes horizontal drive group, vertical drive group and pushing plate, the pushing plate install in vertical drive group's output, vertical drive group install in horizontal drive group's output, horizontal drive group parallel arrangement in stacker one side, the pushing plate is located the top of stacker.

Optionally, the device further comprises a transfer groove, a lifting driving group is arranged at the bottom of the transfer groove, the pushing mechanism can push the cover body into the transfer groove, the lifting driving group can drive the transfer groove to lift, the transfer groove can be connected with the stacker under a descending state, and the next procedure can be connected under a lifting state.

Optionally, flexible brushes are arranged at two sides of the stacking groove, the distance between the two flexible brushes is smaller than the width of the cover body, and the flexible brushes can prevent the cover body in the stacking groove from toppling over.

Optionally, the unloading conveyer belt has the conveyer belt frame, it is provided with the branch flitch support frame to span on the conveyer belt frame, divide the flitch install in divide flitch support frame downside makes divide the flitch with unloading conveyer belt surface keeps certain interval.

Optionally, the blanking conveyer belt is equipped with coordinated control's inductor and mechanism of blowing, the inductor is used for the response to pass through the lid, the mechanism of blowing is used for blowing the lid makes the lid can be carried the difference the unloading passageway.

The beneficial effects of the utility model are as follows: the utility model provides a cover blanking machine, wherein a turnover mechanism and a stacking groove are arranged at the rear end of a blanking conveying belt, so that a cover body which is horizontally placed can be automatically turned over and then vertically stacked, the scattered stacking of the blanking of a lunch box cover is avoided, the working procedure of manual stacking and arranging in the later period is omitted, the stacked lunch box cover is compact in arrangement, and the occupied space is smaller. In addition, this scheme has set up the feed divider on unloading conveyer belt for this scheme can be suitable for the rear end of the production facility or the check out test set of high-speed unloading.

Drawings

The application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a cover blanking machine according to an embodiment of the present application;

Fig. 2 is a schematic partial structure of a cover blanking machine according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a blanking conveyer belt according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a turnover mechanism according to an embodiment of the present application;

FIG. 5 is a second schematic diagram of a turnover mechanism according to an embodiment of the present application;

FIG. 6 is a schematic view of a material piling groove according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of a transfer tank according to an embodiment of the present application.

In the figure:

1. A blanking conveying belt; 11. a conveyor belt frame; 12. a material dividing plate; 13. a material dividing plate supporting frame; 14. an inductor; 15. an air blowing mechanism; 2. a turnover mechanism; 21. a slideway base; 211. a material ejection opening; 212. a count detection port; 22. slide side guard plates; 23. an outer baffle of the slideway; 24. a counter; 3. a material piling groove; 31. a flexible brush; 4. an ejection mechanism; 5. a pushing mechanism; 51. a pushing plate; 52. a vertical driving group; 53. a lateral drive group; 6. a transfer tank; 61. a lifting driving group; 7. a base; 8. and a cover body.

Detailed Description

In order to make the technical problems solved by the present application, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the traditional blanking equipment, the lunch box covers are conveyed into the collecting box by the conveyor belt, the collected lunch box covers are placed in disorder, and then the lunch box covers are manually arranged and stacked, so that the degree of dependence on manpower is high; and the scattered and piled lunch box covers occupy larger space, the quantity of the lunch box covers which can be collected at one time of the collecting box is smaller, and the collecting box needs to be replaced frequently.

As shown in fig. 1, the present embodiment provides a cover blanking machine, which may be disposed at the rear ends of a lunch box cover production line and a lunch box cover detection line, and may be used for stacking and blanking lunch boxes.

The cover blanking machine of the embodiment comprises a machine base 7, wherein the machine base 7 is at least provided with a blanking conveying belt 1, a turnover mechanism 2, a material loading groove 3 and an ejection mechanism 4.

1-2, Wherein a blanking conveyer belt 1 is provided with a dividing plate 12, and the dividing plate 12 divides at least two blanking channels above the blanking conveyer belt 1; the turnover mechanism 2 is connected to the rear end of the blanking conveyer belt 1, is arranged in one-to-one correspondence with the blanking channels and is used for turning the cover body 8 sent out by the blanking channels from a flat state to an upright state; the material piling groove 3 is connected with the output end of the turnover mechanism 2, is arranged in one-to-one correspondence with the turnover mechanism 2 and is used for piling up the cover bodies 8 turned into an upright state; the ejection mechanisms 4 are arranged in one-to-one correspondence with the stacking grooves 3, and the ejection mechanisms 4 are used for pushing the cover body 8 turned by the turning mechanism 2 into the stacking grooves 3.

Specifically, the blanking conveyer belt 1 is connected to the rear of a production line or a detection line of the cover body 8, the cover body 8 is horizontally placed on the blanking conveyer belt 1 for transportation, and the cover body 8 is a flat and thin product, so that the horizontally placed cover body 8 cannot be directly stacked, the turnover mechanism 2 is arranged at the rear end of the blanking conveyer belt 1, the turnover mechanism 2 can turn the cover body 8 into an upright state from a horizontally placed state, and the cover body 8 in the upright state can be pushed into the stacker 3 for stacking.

After the turnover mechanism 2 turns over the cover body 8, in order to avoid the cover body 8 in front from obstructing the falling of the cover body 8 in the rear, the scheme is further provided with the ejection mechanism 4 which can push the cover bodies 8 after turnover into the material loading groove 3 one by one, taking the structure of fig. 4 as an example, the cover bodies 8 after turnover fall to the bottom of the turnover mechanism 2, the ejection mechanism 4 is automatically ejected, the cover body 8 enters the material loading groove 3, the ejection mechanism 4 is reset later, the next cover body 8 above automatically falls, and then the ejection mechanism 4 ejects again, and the cycle is repeated.

In the automatic production or detection process of the cover body 8, the circulation speed of the cover body 8 is very fast in practice, the time interval required for the cover body 8 in the turnover mechanism 2 to drop and the ejection mechanism 4 to complete one-time reciprocating motion is generally longer, and if only one group of turnover mechanism 2 and ejection mechanism 4 are arranged, the blanking requirement of an automatic production line or detection line of the cover body 8 cannot be met in general. For this reason, this scheme has set up the feed plate 12 on unloading conveyer belt 1, and the feed plate 12 can equally divide into a plurality of shares with the unloading, respectively after a plurality of tilting mechanisms 2 upset, stacks in different windrow grooves 3. Assuming that two blanking channels are provided, two groups of turnover mechanisms 2, ejection mechanisms 4, stacking grooves 3 and the like are correspondingly provided, in each turnover mechanism 2, the number of turned covers 8 is half of the total blanking covers 8, the time interval between every two turned covers 8 is twice of the original time interval, the more the blanking channels are provided, the longer the time interval between every two turned covers 8 is, and the more the blanking channels are, the more the time interval between every two turned covers 8 is, and can be reasonably set according to requirements. Namely, the embodiment scheme can meet the requirements of automatic blanking and stacking of a high-speed production line or a detection line.

In conclusion, based on the lid blanking machine of this embodiment, have set up tilting mechanism 2 and windrow groove 3 at the rear end of unloading conveyer belt 1, can realize erectting the stack after automatic lid 8 upset of keeping flat, avoid the lunch-box lid unloading to scatter and stack, saved the process of later stage manual stack arrangement, the lunch-box lid after stacking is arranged compactly, occupation space is littleer. In addition, the scheme is provided with the material separating plate 12 on the blanking conveying belt 1, so that the scheme can be applied to the rear end of production equipment or detection equipment for high-speed blanking.

In an embodiment, referring to fig. 4, the turnover mechanism 2 includes a slide base 21, slide side guard plates 22 and a slide outer guard plate 23, two parallel slide side guard plates 22 are disposed on the slide base 21, two opposite sides of the slide side guard plates 22 are respectively connected with one slide outer guard plate 23, a distance between the two slide side guard plates 22 corresponds to a width of the cover 8, a distance between the slide outer guard plate 23 and the slide base 21 corresponds to a thickness of the cover 8, so that a turnover slide allowing the cover 8 to pass through in one direction is enclosed between the slide base 21, the slide side guard plates 22 and the slide outer guard plates 23, the turnover slide includes an arc section and a vertical section, an upper end of the arc section is connected with the blanking conveyor belt 1, a lower end of the arc section is connected with an upper end of the vertical section, and a lower end of the vertical section is connected with the stacker 3.

The purpose that this scheme set up slide base 21, slide side guard plate 22 and slide outer baffle 23 encloses and closes and form one and only allow the upset slide that lid 8 one-way passed through, specifically, the in-process that lid 8 slided in the upset slide, its bottom surface or top surface are towards slide base 21 all the time, so can control the direction of lid 8 based on the trend of upset slide. The distance between the two slide side guard plates 22 corresponds to the width of the cover body 8, and specifically may be set such that the distance between the two slide side guard plates 22 is slightly larger than the width of the cover body 8, for example, the distance between the two slide side guard plates 22 is 2-5 mm larger than the width of the cover body 8; the distance between the slide outer baffle 23 and the slide base 21 corresponds to the thickness of the cover 8, and may be set to be slightly greater than the thickness of the cover 8, for example, the distance is 2 to 5mm greater than the width of the cover 8.

Based on this, the upset slide sets up into arc section and vertical section two sections, and the arc end can link up with horizontal unloading conveyer belt 1 for lid 8 can easily get into in the upset slide, after the transition upset of arc section, the lid 8 of getting into vertical section just is in the state of erectting.

The tilting mechanism 2 of this scheme utilizes inertia and the gravity that lid 8 self moved, and the upset of direction lid 8 need not in the tilting mechanism 2 to set up power supply and complicated mechanical mechanism additionally, has simple structure, advantage with low costs.

In an embodiment, referring to fig. 5, a material ejection opening 211 is provided at a lower end of the slide base 21, the ejection mechanism 4 is disposed in the slide base 21, and the ejection mechanism 4 is aligned with the material ejection opening 211, and the ejection mechanism 4 can push the cover 8 away from the overturning slide through the material ejection opening 211, so that the cover 8 enters the stacking groove 3.

Specifically, the ejection mechanism 4 is arranged in the slide base 21, namely, on one side of the slide base 21, which is opposite to the stacking groove 3, so that the ejection mechanism 4 can not occupy the space in the stacking groove 3, and the problem of influencing the stacking of the cover body 8 is avoided. The lower end part of the slideway base 21 is provided with a material ejection opening 211 which can provide a channel for the normal ejection of the ejection mechanism 4 so as to realize the use function.

The ejection mechanism 4 comprises an ejection cylinder and an ejection block, wherein the ejection block is connected with the ejection cylinder, and the ejection cylinder can drive the ejection block to move.

In an embodiment, referring to fig. 6, the device further includes a pushing mechanism 5 and a counter 24, where the pushing mechanism 5 is controlled in linkage with the counter 24, and is used for quantitatively pushing out the cover 8 stacked on the stacking groove 3.

Specifically, the ejector mechanism 4 is provided to automatically eject and stack the caps 8, but cannot quantitatively push out the caps 8. According to the scheme, 5 counters 24 of the pushing mechanism are arranged, based on the counting result of the counters 24, when the stacked cover bodies 8 in the stacking groove 3 reach a set number value, the pushing mechanism 5 automatically pushes all the cover bodies 8 out to the next process, and quantitative collection, packaging and the like of the next process are facilitated.

In an embodiment, referring to fig. 5, the slide base 21 is provided with a counting detection port 212, the counter 24 is disposed in the slide base 21, and the counter 24 can sense the cover 8 passing through the turnover slide through the counting detection port 212.

The number of the covers 8 passing through the turnover slide way is the same as the number of the covers 8 entering the material loading groove 3, so that the counting detection port 212 is directly arranged in the slide way base 21, and the counter 24 is arranged in the slide way base 21, so that the requirement of automatically detecting the number of the covers 8 can be met, and the setting of the counter 24 is facilitated.

In an embodiment, referring to fig. 6, the pushing mechanism 5 includes a horizontal driving set 53, a vertical driving set 52 and a pushing plate 51, the pushing plate 51 is mounted at an output end of the vertical driving set 52, the vertical driving set 52 is mounted at an output end of the horizontal driving set 53, the horizontal driving set 53 is disposed on one side of the stacking slot 3 in parallel, and the pushing plate 51 is located above the stacking slot 3.

Specifically, in the state of waiting for stacking, the vertical driving group 52 drives the pushing plate 51 to be placed above the cover body 8, the transverse driving group 53 drives the pushing plate 51 to be placed at a position close to the turnover mechanism 2, when the count reaches a set value, the vertical driving group 52 drives the pushing plate 51 to move downwards, so that the pushing plate 51 is inserted between the cover body 8 and the turnover mechanism 2, and then the transverse driving group 53 drives the vertical driving group 52 and the pushing plate 51 to move in a direction away from the turnover mechanism 2, so that the quantitative cover body 8 is automatically pushed out. And then the pushing mechanism 5 returns to the original position and waits for responding to the next pushing.

The lateral driving group 53 and the vertical driving group 52 may be driven by any one of a cylinder driving method, an oil cylinder driving method, a motor ball screw driving method, and the like.

In an embodiment, referring to fig. 2 and fig. 6, the device further includes a transfer tank 6, a lifting driving set 61 is disposed at the bottom of the transfer tank 6, the pushing mechanism 5 can push the cover 8 into the transfer tank 6, the lifting driving set 61 can drive the transfer tank 6 to lift, and the transfer tank 6 can be connected with the stacker tank 3 in a descending state, and can be connected with the next process in a lifting state.

Specifically, since the turnover mechanism 2 turns the cover 8 by using the gravity of the cover 8 itself, in practice, the height of the cover 8 in the stacker 3 is lower than that of a conventional conveyor belt, and it is difficult for the pushing mechanism 5 to directly push the cover 8 onto the conveyor belt of the next process. Therefore, the transferring groove 6 with the lifting driving group 61 is arranged in the scheme, when the transferring groove 6 is in a descending state, the transferring groove is connected with the material piling groove 3, and the material pushing mechanism 5 can directly push the cover body 8 into the transferring groove 6; the lifting driving group 61 then pushes the transfer slot 6 to rise to the receiving height of the conveyor belt of the next process, so that the cover 8 can be pushed into the next process.

It is also necessary to provide a pushing mechanism that can automatically push the lid 8 in the transfer tank 6 to the next step, and this pushing mechanism automatically pushes out the lid 8 after the transfer tank 6 is lifted.

In an embodiment, flexible brushes 31 are disposed on two sides of the stacking groove 3, a distance between the flexible brushes 31 is set smaller than a width of the cover 8, and the flexible brushes 31 can prevent the cover 8 in the stacking groove 3 from tilting.

Specifically, lid 8 is in the windrow groove 3, and the direction of keeping away from tilting mechanism 4 is emptyd easily, so this scheme has set up flexible brush 31 in windrow groove 3's both sides, and lid 8 card is between flexible brush 31, utilizes flexible brush 31 to block lid 8, avoids it to empty under self action of gravity, simultaneously based on flexible brush 31 self elastic deformation ability, allows great external force to promote lid 8 lateral shifting between flexible brush 31.

In an embodiment, referring to fig. 3, the blanking conveyor 1 has a conveyor frame 11, a distributing plate supporting frame 13 is disposed across the conveyor frame 11, and the distributing plate 12 is mounted on the lower side of the distributing plate supporting frame 13, so that the distributing plate 12 is spaced from the surface of the blanking conveyor 1.

Specifically, the distributing plate support frame 13 is arranged to install the distributing plate 12, so that friction between the powder plate 12 and the rolling belt body can be avoided.

In an embodiment, the blanking conveyor belt 1 is provided with a sensor 14 and a blowing mechanism 15 that are controlled in a linkage manner, the sensor 14 is used for sensing the passing cover body 8, and the blowing mechanism 15 is used for blowing the cover body 8, so that the cover body 8 can be conveyed to different blanking channels.

In general, the discharging position of the production line or the detecting line of the cover body 8 is fixed, that is, the position of the cover body 8 which initially enters the blanking conveyer belt 1 is fixed, and an automatic distributing mechanism needs to be arranged, so that the cover body 8 on the blanking conveyer belt 1 can be scattered into each blanking channel. In this embodiment, the sensor 14 and the blowing mechanism 15 are provided to cooperate to achieve this function. Specifically, the blowing mechanism 15 can blow the cover body 8 to move transversely, if two blanking channels are arranged, one of the blanking channels is aligned with the position where the cover body 8 enters the blanking conveying belt 1 for the first time, the blowing mechanism 15 does not work, the cover body 8 directly enters the aligned blanking channel, the blowing mechanism 15 works, the passing cover body 8 can be blown into the other blanking channel transversely, based on the fact, the blowing mechanism 15 can be started once every interval by one cover body 8 in cooperation with the induction of the inductor 14, and the purpose of equally dividing the cover body 8 is achieved.

In a further embodiment, since the blowing force of the blowing mechanism 15 determines the distance that the cover 8 is moved by transverse blowing, when a greater number of blanking channels are provided, the blowing mechanism 15 with multiple blowing forces can be provided, and the cover 8 is blown to the positions corresponding to different blanking channels one by adjusting the blowing force of the blowing mechanism 15.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present application is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the application and should not be taken in any way as limiting the scope of the application. Other embodiments of the application will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. The utility model provides a lid blanking machine which characterized in that includes:

The blanking conveying belt (1) is provided with a material dividing plate (12), and the material dividing plate (12) divides at least two blanking channels above the blanking conveying belt (1);

The turnover mechanism (2) is connected to the rear end of the blanking conveying belt (1), is arranged in one-to-one correspondence with the blanking channels and is used for turning the cover bodies (8) sent out by the blanking channels from a flat state to an upright state;

The material piling groove is connected with the output end of the turnover mechanism (2), is arranged in one-to-one correspondence with the turnover mechanism (2) and is used for piling up the cover bodies (8) turned into an upright state;

The ejection mechanisms (4) are arranged in one-to-one correspondence with the stacking grooves, and the ejection mechanisms (4) are used for pushing the cover body (8) turned by the turning mechanism (2) into the stacking grooves.

2. The cover blanking machine according to claim 1, characterized in that the turnover mechanism (2) comprises a slide base (21), slide side guard plates (22) and a slide outer guard plate (23), two slide side guard plates (22) which are parallel to each other are arranged on the slide base (21), two slide outer guard plates (23) are respectively connected to opposite sides of the slide side guard plates (22), the distance between the two slide side guard plates (22) corresponds to the width of the cover body (8), the distance between the slide outer guard plates (23) and the slide base (21) corresponds to the thickness of the cover body (8), so that a turnover slide allowing the cover body (8) to pass through in one direction is enclosed between the slide base (21), the slide side guard plates (22) and the slide outer guard plates (23), the turnover slide comprises an arc-shaped section and a vertical section, the upper end of the arc-shaped section is connected with the blanking conveying belt (1), and the lower end of the arc-shaped section is connected with the upper end of the vertical section, and the lower end of the vertical section is connected with the chute.

3. The cover blanking machine according to claim 2, characterized in that a material ejection opening (211) is formed in the lower end portion of the slideway base (21), the ejection mechanism (4) is arranged in the slideway base (21), the ejection mechanism (4) is aligned with the material ejection opening (211), and the ejection mechanism (4) can push the cover body (8) away from the overturning slideway through the material ejection opening (211) so that the cover body (8) enters the stacking groove.

4. The cover blanking machine according to claim 2, further comprising a pushing mechanism (5) and a counter (24), wherein the pushing mechanism (5) and the counter (24) are controlled in a linkage manner, and are used for quantitatively pushing out the cover bodies (8) stacked on the stacker.

5. The cover blanking machine according to claim 4, characterized in that the slide base (21) is provided with a counting detection port (212), the counter (24) is arranged in the slide base (21), and the counter (24) can sense the cover (8) passing through the turnover slide through the counting detection port (212).

6. The cover blanking machine according to claim 4, characterized in that the pushing mechanism (5) comprises a transverse driving group (53), a vertical driving group (52) and a pushing plate (51), the pushing plate (51) is mounted at the output end of the vertical driving group (52), the vertical driving group (52) is mounted at the output end of the transverse driving group (53), the transverse driving group (53) is arranged on one side of the stacking groove in parallel, and the pushing plate (51) is located above the stacking groove.

7. The cover blanking machine according to claim 4, further comprising a transfer tank (6), wherein a lifting driving group (61) is arranged at the bottom of the transfer tank (6), the pushing mechanism (5) can push the cover (8) into the transfer tank (6), the lifting driving group (61) can drive the transfer tank (6) to lift, the transfer tank (6) can be connected with the material loading tank in a descending state, and the next process can be connected in a lifting state.

8. The cover blanking machine according to claim 1, characterized in that flexible brushes (31) are arranged at two sides of the stacking groove, the distance between the flexible brushes (31) is smaller than the width of the cover (8), and the flexible brushes (31) can prevent the cover (8) in the stacking groove from tilting.

9. The cover blanking machine according to claim 1, characterized in that the blanking conveyor belt (1) is provided with a conveyor belt frame (11), a distributing plate supporting frame (13) is arranged on the conveyor belt frame (11) in a crossing mode, and the distributing plate (12) is arranged on the lower side of the distributing plate supporting frame (13) so that a certain interval is kept between the distributing plate (12) and the surface of the blanking conveyor belt (1).

10. Cover blanking machine according to claim 1, characterized in that the blanking conveyor belt (1) is provided with a linkage controlled inductor (14) and a blowing mechanism (15), the inductor (14) is used for inducing the passing cover (8), and the blowing mechanism (15) is used for blowing the cover (8) so that the cover (8) can be conveyed to different blanking channels.