A garbage crusher

Abstract

The present invention relates to the technical field of garbage crushers, and proposes a garbage crusher, including a crushing body with a feed port and a discharge port; a needle roller is rotatably arranged at the bottom of the crushing body, located below the discharge port; a first baffle, the first baffle is arranged at the bottom of the crushing body, located on one side of the needle roller, a processing channel is formed between the first baffle and the needle roller, the discharge port is connected to the processing channel, the discharge port is used to discharge concrete and wood chips to the processing channel, and the needle roller is used to tie the wood chips in the processing channel after rotation. Through the above technical solution, the problem that small particles of concrete and small wood chips cannot be quickly distinguished after the construction waste crusher in the prior art completes the crushing is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of garbage crushers, and in particular to a garbage crusher. Background Art

[0002] Garbage crushers can crush all kinds of garbage, such as construction waste. After crushing, it helps to achieve the reduction, resource utilization and harmless treatment of construction waste, reduces the occupation of land resources and pollution of the environment by construction waste, and has high environmental benefits. At the same time, by recycling the resources in construction waste, it can also reduce the production cost of building materials, which has certain economic benefits.

[0003] Concrete, waste bricks and stones in construction waste are crushed and processed. After crushing, screening and sorting, recycled aggregates can be produced to make new construction materials, such as recycled permeable bricks, inorganic mixtures and backfill materials. The materials pass through jaw crushers or impact crushers, and the mechanical force breaks the materials into smaller particles, which are then discharged from the outlet and finally transported to the designated location.

[0004] However, in addition to concrete, construction waste will inevitably be mixed with some steel bars and wooden boards. Both need to be screened out in advance because the steel bars may damage the crusher. Although the wooden boards can be crushed, they are not crushed thoroughly enough and will form smaller wood chips or blocks. The workload of secondary screening in the later stage is large, so workers are generally arranged to manually sort them at the feed port of the construction waste crusher. On the one hand, the labor cost is high and it is easy to be dangerous. On the other hand, wooden boards are relatively difficult to distinguish from steel bars and may be missed, and then the wooden boards are crushed together with the concrete, increasing the subsequent workload. Summary of the invention

[0005] The present invention provides a garbage crusher, which solves the problem in the related art that after the construction waste crusher completes the crushing, small particles of concrete and small wood chips cannot be quickly separated.

[0006] The technical solution of the present invention is as follows:

[0007] A garbage crusher, comprising:

[0008] A crushing body, wherein the crushing body has a feed inlet and a discharge outlet;

[0009] A needle roller, the needle roller is rotatably arranged at the bottom of the crushing body and is located below the discharge port;

[0010] The first baffle is arranged at the bottom of the crushing body and located on one side of the needle roller. A processing channel is formed between the first baffle and the needle roller. The discharge port is connected to the processing channel. The discharge port is used to discharge concrete and wood chips into the processing channel. The needle roller is used to pin the wood chips in the processing channel after rotating.

[0011] Also includes:

[0012] The second baffle is arranged at the bottom of the crushing body and located at the other side of the needle roller. The needle roller is located between the first baffle and the second baffle, and a leakage-proof channel is formed between the second baffle and the needle roller.

[0013] As a further technical solution, the needle roller has a plurality of needles arranged along the axial direction, and further comprises:

[0014] A stripping piece is arranged on the second baffle plate and is located in the anti-leakage channel. After the needle roller rotates, the stripping piece passes between two adjacent needle parts to strip the wood chips on the needle parts.

[0015] As a further technical solution, the peeling member is obliquely arranged on the second baffle plate, and the height of the peeling member at one end away from the second baffle plate is lower than the height of the peeling member at one end close to the second baffle plate.

[0016] The bottom of both sides of the peeling piece has a correction guide bevel, and the two correction guide bevels are symmetrically arranged. After the needle roller rotates, the needle part passes between the two correction guide bevels close to each other of two adjacent peeling pieces. The correction guide bevel is used to correct the straightness of the peeling piece.

[0017] As a further technical solution, the crushing body is a jaw crusher, the cross section of the discharge port is rectangular, the length direction of the discharge port is parallel to the axial direction of the needle roller, and further includes:

[0018] A material discharge conveyor is arranged stationary relative to the crushing body, and one end of the material discharge conveyor close to the crushing body is located directly below the processing channel. The material discharge conveyor is used to transport the concrete.

[0019] As a further technical solution, it also includes:

[0020] A feeding conveyor, the feeding conveyor is arranged stationary relative to the crushing body, the feeding conveyor is used to convey the concrete and the wood chips to the feeding port, and the feeding conveyor has a feeding channel;

[0021] A stirring member is rotatably arranged in the feeding channel, and the stirring member has a spray port.

[0022] As a further technical solution, the feeding channel has a feeding slope at one end away from the feeding port, and further comprises:

[0023] A plurality of magnetic attracting parts are arranged on the outer wall of the feeding slope, and the plurality of magnetic attracting parts are arranged at intervals.

[0024] As a further technical solution, the magnetic attraction member is an electromagnet, and the bottom of the feeding slope has a discharge port, and further includes:

[0025] A discharge door is swingably arranged at the discharge port, and opens or closes the discharge port after the discharge door swings.

[0026] As a further technical solution, the feeding conveyor is a vibrating feeding machine, and there are two agitators, which are arranged at intervals along the feeding direction, and the rotation axis of the agitator is perpendicular to the feeding direction.

[0027] The working principle and beneficial effects of the present invention are:

[0028] In the present invention, although the steel bars and long wooden strips can be manually sorted out, the steel bars are easy to distinguish, so it is inevitable that some small wooden boards will be crushed together with the concrete, which is unavoidable, and both the jaw crusher and the impact crusher can normally crush the small wooden boards into smaller wooden blocks or wood chips, etc., which are mixed with the concrete crushed into small particles, making the subsequent distinction workload large. Therefore, in the early stage, it is impossible to interfere well and it is impossible to ensure that the wooden boards will not be mixed in. A distinction scheme is provided for the crushed mixture: after crushing, the small-particle concrete and the small wood chips are quickly distinguished from each other by using the different aspects of shape and physical properties, thereby greatly reducing the subsequent workload.

[0029] Specifically, due to the flake-like shape of the small wood chips and the properties of wood, they can be pierced by needles, while small-particle concrete cannot achieve this. Therefore, a needle roller can be used at the discharge port to pierce the small wood chips in the mixture, and they will not be discharged with the small-particle concrete, thus completing the distinction between the two and eliminating the need for subsequent work. The advantage of using a roller is that the work is continuous, and in conjunction with the first baffle, the small wood chips can be fully attached to the needle roller. If a reciprocating linearly moving needle knife is used, uninterrupted processing of the mixture cannot be guaranteed, and in conjunction with the first baffle, it also has the effect of secondary crushing of the small-particle concrete in the processing channel.

[0030] Compared with the traditional method of using a screen to screen out small particles of concrete from the mixture, this crusher saves this part of the configuration and cost, and uses a simple external motor to drive the needle roller to rotate below the discharge port, and cooperates with the first baffle to limit the discharge path and discharge width. The design can quickly distinguish between the two materials. At the same time, the needle part of the needle roller will further crush the concrete when processing the mixture discharged from the discharge port to the processing channel.

[0031] Working principle: Various types of construction waste are first screened manually. At this time, the steel bars and most of the long wooden strips have been screened out. The remaining concrete and a small part of the wooden boards enter the crushing body from the feed port. After crushing, they fall from the discharge port into the processing channel between the first baffle and the needle roller welded at the bottom of the crushing body. The needle roller is always in a rotating state. The small wood chips in the mixture can be stably stuck on the needles of the needle roller under the action of its own weight, impact force and concrete extrusion, while the concrete particles pass through the processing channel and are crushed for the second time by the needles and the inner wall of the first baffle. Finally, only the concrete particles are transported to the designated location, and then the small wood chips on the needle roller can be regularly processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0033] Figure 1 This is a schematic diagram of the structure of a garbage crusher from a first perspective in the present invention;

[0034] Figure 2 This is a schematic diagram of the first-view structure of the crushing body in the present invention;

[0035] Figure 3 For the present invention Figure 2 Enlarged view of middle part B;

[0036] Figure 4 This is a schematic diagram of the structure of the crushing body in the present invention from a second viewing angle;

[0037] Figure 5 For the present invention Figure 4 Enlarged view of middle C;

[0038] Figure 6 This is a diagram showing the matching state of the needle portion and the peeling member in the present invention;

[0039] Figure 7 For the present invention Figure 6 Enlarged view of the middle D part;

[0040] Figure 8 For the present invention Figure 1 Enlarged view of part A in the middle;

[0041] Fig. 9 This is a schematic diagram of the structure of a garbage crusher according to the present invention from a second viewing angle;

[0042] Fig.10 For the present invention Fig. 9 Enlarged view of middle part E.

[0043] In the figure: 1. crushing body, 101. feed port, 102. discharge port, 2. needle roller, 201. needle part, 3. first baffle, 4. processing channel, 5. second baffle, 6. leak-proof channel, 7. peeling part, 701. correction guide slope, 8. unloading conveyor, 9. loading conveyor, 901. loading channel, 902. loading slope, 903. discharge port, 10. stirring part, 1001. spray port, 11. magnetic suction part, 12. discharge door. DETAILED DESCRIPTION

[0044] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0045] In order to simplify the drawings, only the parts related to the invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0046] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0048] Reference Figure 1 to Figure 10A garbage crusher is proposed, comprising: a crushing body 1, the crushing body 1 having a feed port 101 and a discharge port 102; a needle roller 2, the needle roller 2 is rotatably arranged at the bottom of the crushing body 1, and is located below the discharge port 102; a first baffle 3, the first baffle 3 is arranged at the bottom of the crushing body 1, and is located on one side of the needle roller 2, a processing channel 4 is formed between the first baffle 3 and the needle roller 2, the discharge port 102 is connected to the processing channel 4, the discharge port 102 is used to discharge concrete and wood chips into the processing channel 4, and the needle roller 2 is used to hold the wood chips in the processing channel 4 after rotating.

[0049] In this embodiment, Figure 1-5 As shown, although steel bars and long wooden strips can be sorted out manually, steel bars are easy to distinguish, so it is inevitable that some small wooden boards will be crushed together with the concrete. This is unavoidable, and both jaw crushers and impact crushers can normally crush small wooden boards into smaller wood blocks or wood chips, which are mixed with concrete that has been broken into small particles, making the subsequent differentiation workload large. Therefore, in the early stage, it is impossible to interfere well and it is impossible to ensure that wooden boards will not be mixed in. A differentiation plan is provided for the crushed mixture: after crushing, the small particles of concrete and small wood chips are quickly distinguished from each other by using their different shapes and physical properties, thereby greatly reducing the subsequent workload.

[0050] Specifically, due to the flake-like shape of the small wood chips and the properties of wood, they can be pierced by needles, while small-particle concrete cannot achieve this. Therefore, the needle roller 2 can be used at the discharge port 102 to pierce the small wood chips in the mixture, and they will not be discharged with the small-particle concrete, thus completing the distinction between the two and eliminating the need for subsequent work. The advantage of using a roller is that the work is continuous, and in conjunction with the first baffle 3, the small wood chips can be fully attached to the needle roller 2. If a reciprocating linearly moving needle knife is used, uninterrupted processing of the mixture cannot be guaranteed, and in conjunction with the first baffle 3, it also has the effect of secondary crushing of the small-particle concrete in the processing channel 4.

[0051] Compared with the traditional method of using a screen to screen out small particles of concrete from the mixture, the crusher saves this part of the configuration and cost, and uses a simple external motor to drive the needle roller 2 to rotate below the discharge port 102, and cooperates with the first baffle 3 to limit the discharge path and discharge width. The design can quickly distinguish between the two materials. At the same time, the needle part 201 of the needle roller 2 will further crush the concrete when processing the mixture discharged from the discharge port 102 to the processing channel 4.

[0052] Working principle: various construction wastes are first screened manually. At this time, the steel bars and most of the long wooden strips have been screened out. The remaining concrete and a small part of the wooden boards enter the crushing body 1 from the feed port 101. After crushing, they fall from the discharge port 102 into the processing channel 4 between the first baffle 3 and the needle roller 2 welded at the bottom of the crushing body 1. The needle roller 2 is always in a rotating state. The small wood chips in the mixture can be stably stuck on the needles of the needle roller 2 under the action of its own weight, impact force and concrete extrusion, while the concrete particles pass through the processing channel 4 and are crushed for the second time by the needles and the inner wall of the first baffle 3. Finally, only the concrete particles are transported to the designated position, and then the small wood chips on the needle roller 2 can be regularly processed.

[0053] Furthermore, it also includes: a second baffle 5, which is arranged at the bottom of the crushing body 1 and located on the other side of the needle roller 2. The needle roller 2 is located between the first baffle 3 and the second baffle 5, and a leak-proof channel 6 is formed between the second baffle 5 and the needle roller 2.

[0054] In this embodiment, Figure 2-5 As shown, most of the mixed materials fall directly from the discharge port 102 into the processing channel 4. Although the rotation of the needle roller 2 can drive another part of the mixed materials to transfer to the processing channel 4, it is inevitable that part of the mixed materials will be discharged from the other side of the needle roller 2 away from the first baffle 3. In order to avoid the above situation, a second baffle 5 is welded on the crushing body 1 on the other side of the needle roller 2 away from the first baffle 3. The second baffle 5 and the needle roller 2 form a tighter leak-proof channel 6, which can receive this part of the mixed materials and slow down its falling trend. At the same time, under the driving action of the needle roller 2, the mixed materials that fall into the leak-proof channel 6 are moved back to the processing channel 4.

[0055] Furthermore, the two groups of baffles are both in a folded line shape, and the channel formed can be more completely wrapped around the needle roller 2 to form a required channel form to play a role.

[0056] Furthermore, the needle roller 2 has a plurality of needle portions 201 arranged along the axial direction, and also includes: a peeling piece 7, which is arranged on the second baffle 5 and located in the leak-proof channel 6. After the needle roller 2 rotates, the peeling piece 7 passes between two adjacent needle portions 201 to peel off wood chips on the needle portions 201.

[0057] In this embodiment, Figure 5-7As shown, the needle roller 2 has a plurality of needle portions 201 arranged along the axial direction. After working, there will certainly be many small wood chips attached thereto, which need to be cleaned. In order to realize the automation of the cleaning action and comprehensively clean the entire needle roller 2, a peeling piece 7 in the form of a fixed steel structure is welded on the side of the second baffle 5 close to the needle roller 2. It does not require any drive or movement itself, and is fixed in the leak-proof channel 6. It can be realized that when the needle roller 2 rotates from the discharge port 102 to the processing channel 4 to attach small wood chips and drive the small wood chips through the leak-proof channel 6, the peeling piece 7 will pass between two adjacent needle portions 201 to peel off the small wood chips on the needle portions 201, which also greatly saves labor costs and equipment economic costs. Basically, no attached wood chips will remain on the needle roller 2, and small concrete particles can also pass through the processing channel 4 smoothly without being affected.

[0058] Furthermore, the peeling member 7 is obliquely arranged on the second baffle plate 5 , and the height of the end of the peeling member 7 away from the second baffle plate 5 is lower than the height of the end of the peeling member 7 close to the second baffle plate 5 .

[0059] In this embodiment, Figure 5-7 As shown, according to the setting angle of the peeling piece 7, its inclined setting is designed. Specifically, the height of the end away from the second baffle plate 5 is lower than the height of the end of the peeling piece 7 close to the second baffle plate 5. Compared with the vertical setting, the inclination can pass through two adjacent needle parts 201 more smoothly. At the same time, the height of its lowest point is preferably higher than the center height of the needle roller 2. When it is lower than the center height of the needle roller 2, it is necessary to avoid that one end of the peeling piece 7 may first contact the small wood chip to squeeze it, resulting in the peeling action not being smooth or being hindered.

[0060] Furthermore, the bottom of both sides of the peeling piece 7 has a correction guide bevel 701, and the two correction guide bevels 701 are symmetrically arranged. After the needle roller 2 rotates, the needle part 201 passes through between the two correction guide bevels 701 close to each other of the two adjacent peeling pieces 7. The correction guide bevel 701 is used to correct the straightness of the peeling piece 7.

[0061] In this embodiment, Figure 5-7 As shown, further at the bottom of both sides of the peeling piece 7, correcting guide slopes 701 are provided, and the two are symmetrical, so that the needle 201 can smoothly pass through the two. The slopes are provided to cope with the situation where the needle 201 is damaged and bent due to long-term use. After bending, the needle 201 passes between the two correcting guide slopes 701 and abuts against one side, and finally restores its original shape under the guiding action, making it straight without affecting the peeling action, and the overall rotation speed of the needle roller 2 is not high, which also meets the conditions required for this function.

[0062] Specifically, in the moving path of the needle portion 201, the distance between two adjacent correction guide inclined surfaces 701 is gradually reduced to achieve the correction effect, and the minimum distance needs to be slightly larger than the width of the needle portion 201 to avoid jamming.

[0063] Furthermore, the crushing body 1 is a jaw crusher, the cross-section of the discharge port 102 is rectangular, the length direction of the discharge port 102 is parallel to the axial direction of the needle roller 2, and also includes: a discharge conveyor 8, the discharge conveyor 8 is arranged stationary relative to the crushing body 1, the discharge conveyor 8 is close to one end of the crushing body 1 and is located directly below the processing channel 4, and the discharge conveyor 8 is used to transport concrete.

[0064] In this embodiment, Figure 1-5 As shown, the crushing body 1 of the jaw crusher is used, so the discharge port 102 is mostly rectangular in shape. If the length direction of the discharge port 102 is perpendicular to the axial direction of the needle roller 2, the overall volume of the needle roller 2 is large, which is not convenient for installation, and the processing effect on small wood chips is not particularly good, so the two are parallel; further, the concrete particles discharged from the processing channel 4 are transported away by a belt-shaped unloading conveyor 8. In order to avoid receiving the wood chips peeled off by the peeled parts 7 falling from the leak-proof channel 6, the unloading conveyor 8 is designed to be close to one end of the crushing body 1 and is located directly below the processing channel 4, so that the wood chips can be smoothly distinguished from the concrete particles and placed in a fixed position.

[0065] Furthermore, it also includes: a feeding conveyor 9, the feeding conveyor 9 is arranged stationary relative to the crushing body 1, the feeding conveyor 9 is used to convey concrete and wood chips to the feed port 101, and the feeding conveyor 9 has a feeding channel 901;

[0066] The stirring member 10 is rotatably disposed in the feeding channel 901 , and the stirring member 10 has a spray port 1001 .

[0067] In this embodiment, Figure 1 , 8 -10, the installation of the feeding conveyor 9 improves the overall automation level, and various materials are transported to the feeding port 101 of the crushing body 1. In this process, steel bars and most of the distinguishable wood strips are manually sorted out, and vibration feeding can be adopted.

[0068] In addition, since the degree and effect of the crushing of the wood strips by the crushing body 1 will be affected by the humidity of the wood strips, the wood strips with high humidity are less likely to break than those with dry wood strips. The moisture plays a role similar to a "lubricant" to a certain extent, making the wooden board more inclined to bend and deform rather than break directly when squeezed between the jaws, so that the integrity of the wood strips can be better guaranteed after being crushed, and with the help of the moisture "lubricant", the needle roller 2 can more easily pierce the entire wood strip, which is more firmly pierced through the processing channel 4 and is then peeled off by the peeling piece 7.

[0069] Therefore, it is necessary to humidify the material in the early stage. Concrete humidification will not have any effect on crushing, but has positive effects such as dust suppression. A stirring piece 10 is rotated and runs through the outer walls on both sides of the feeding conveyor 9 in the feeding channel 901, and an external motor is installed to slowly drive it to rotate, so as to preliminarily mix the material in the feeding channel 901, and at the same time, a spray port 1001 is opened at the end of the stirring rod to quickly mix the water mist with the material. A spray port 1001 at the end of a water pipe connecting rod can be installed in the rotating shaft to realize humidification. Specifically, there are two stirring pieces 10, and their rotating shafts are perpendicular to the feeding direction to more comprehensively humidify the materials in the entire feeding channel 901.

[0070] Furthermore, the feeding channel 901 has a feeding slope 902 at one end away from the feeding port 101, and also includes: a plurality of magnetic suction components 11, the plurality of magnetic suction components 11 are all arranged on the outer wall of the feeding slope 902, and the plurality of magnetic suction components 11 are arranged at intervals.

[0071] Furthermore, the magnetic attraction member 11 is an electromagnet, and a discharge port 903 is provided at the bottom of the loading slope 902 , and further includes: a discharge door 12 , which is swingably arranged at the discharge port 903 , and opens or closes the discharge port 903 after the discharge door 12 swings.

[0072] Furthermore, the feeding conveyor 9 is a vibrating feeding machine, and there are two stirring members 10. The two stirring members 10 are arranged at intervals along the feeding direction, and the rotation axis of the stirring members 10 is perpendicular to the feeding direction.

[0073] In this embodiment, Figure 1 , 8 -10, a feeding slope 902 is welded at the initial end of feeding, that is, the end of the feeding channel 901 away from the feed port 101. The slope and a plurality of magnetic suction parts 11 on the back of the slope are used to absorb some of the metal construction waste such as steel bars in the material for subsequent recycling. The plurality of magnetic suction parts 11 are arranged at intervals to fully cover the entire feeding slope 902. After further processing of the material, the discharge door 12 at the bottom of the slope can be actively opened, and the magnetic suction part 11 in the form of an electromagnet can be powered off and lose its magnetic force, so that the steel bars and the like will slide out of the crusher from the discharge port 903 under their own weight to complete recycling.

[0074] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A garbage crusher, characterized in that: include: A crushing body (1), the crushing body (1) having a feed inlet (101) and a discharge outlet (102); A needle roller (2), the needle roller (2) being rotatably arranged at the bottom of the crushing body (1) and located below the discharge port (102); a first baffle (3), the first baffle (3) being arranged at the bottom of the crushing body (1) and located on one side of the needle roller (2), a processing channel (4) being formed between the first baffle (3) and the needle roller (2), the discharge port (102) being connected to the processing channel (4), the discharge port (102) being used to discharge concrete and wood chips into the processing channel (4), and the needle roller (2) being used to hold the wood chips in the processing channel (4) after rotation; Also includes: a second baffle (5), the second baffle (5) being arranged at the bottom of the crushing body (1) and located on the other side of the needle roller (2), the needle roller (2) being located between the first baffle (3) and the second baffle (5), and a leak-proof channel (6) being formed between the second baffle (5) and the needle roller (2); The needle roller (2) has a plurality of needle portions (201) arranged along the axial direction, and further comprises: a peeling piece (7), the peeling piece (7) being arranged on the second baffle (5) and located in the anti-leakage channel (6); after the needle roller (2) rotates, the peeling piece (7) passes between two adjacent needle parts (201) to peel off the wood chips on the needle parts (201); The peeling member (7) is obliquely arranged on the second baffle plate (5), and the height of the end of the peeling member (7) away from the second baffle plate (5) is lower than the height of the end of the peeling member (7) close to the second baffle plate (5); The bottoms of both sides of the peeling piece (7) are provided with correction guide bevels (701), and the two correction guide bevels (701) are symmetrically arranged. After the needle roller (2) rotates, the needle portion (201) passes through between the two correction guide bevels (701) close to each other of two adjacent peeling pieces (7), and the correction guide bevels (701) are used to correct the straightness of the peeling piece (7).

2. A garbage crusher according to claim 1, characterized in that: The crushing body (1) is a jaw crusher, the cross section of the discharge port (102) is rectangular, the length direction of the discharge port (102) is parallel to the axial direction of the needle roller (2), and further comprises: A material discharge conveyor (8), the material discharge conveyor (8) being arranged stationary relative to the crushing body (1), the material discharge conveyor (8) being located close to one end of the crushing body (1) and directly below the processing channel (4), and the material discharge conveyor (8) being used to transport the concrete.

3. A garbage crusher according to claim 1, characterized in that: Also includes: a feeding conveyor (9), the feeding conveyor (9) being arranged stationary relative to the crushing body (1), the feeding conveyor (9) being used to convey the concrete and the wood chips to the feeding port (101), the feeding conveyor (9) having a feeding channel (901); A stirring member (10), the stirring member (10) is rotatably disposed in the feeding channel (901), and the stirring member (10) has a spray port (1001).

4. A garbage crusher according to claim 3, characterized in that: The feeding channel (901) has a feeding slope (902) at one end away from the feeding port (101), and further comprises: A plurality of magnetic attracting members (11), wherein the plurality of magnetic attracting members (11) are all arranged on the outer wall of the feeding slope (902), and the plurality of magnetic attracting members (11) are arranged at intervals.

5. A garbage crusher according to claim 4, characterized in that: The magnetic attraction member (11) is an electromagnet, the bottom of the loading slope (902) is provided with a discharge port (903), and further comprises: A discharge door (12), the discharge door (12) being swingably arranged at the discharge opening (903), and the discharge door (12) opening or closing the discharge opening (903) after swinging.

6. A garbage crusher according to claim 4, characterized in that: The feeding conveyor (9) is a vibrating feeding machine, and there are two stirring members (10). The two stirring members (10) are arranged at intervals along the feeding direction, and the rotation axis of the stirring members (10) is perpendicular to the feeding direction.

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