Crushing device with crushing structure easy to disassemble and assemble

Abstract

The utility model relates to the technical field of crushing devices, in particular to a crushing device with a crushing structure easy to disassemble and assemble. Supports are fixed to the outer walls of the connecting bases, sliding plates are slidably installed at openings of the supports, clamping blocks are fixed to one end faces of the sliding plates and penetrate into the inserting grooves, guide rods are fixed to the other end faces of the sliding plates, the guide rods penetrate through the supports, and springs used for abutting against the sliding plates are arranged on the guide rods in a sleeving mode. Two inserting blocks are fixed to the bottom of each fixing base, the inserting blocks are matched with the inserting grooves in an inserted mode, clamping grooves are formed in the inserting blocks, and the clamping blocks are matched with the clamping grooves in a clamped mode; a detachable structure is arranged between the bottom box and the top box, so that the top box can be conveniently opened, the damaged crushing roller can be conveniently detached, and the damaged crushing roller can be conveniently maintained, replaced and the like; according to the design, through the detachable design of the crushing box, the dismounting and mounting convenience of the crushing roller is improved, and the later maintenance and replacement requirements of the crushing roller are met.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, in particular to a crushing device with an easily detachable crushing structure. Background Art

[0002] A crusher is a device used to crush materials. It can crush large pieces of material into small pieces or granular materials to meet the needs of subsequent processing or use. The crushing structure is one of the main structural parts of the crusher, and there are many common crushing structures, such as crushing rollers. When the crushing roller is in use, it is inevitable that the crushing roller will be damaged due to continuous crushing of materials after long-term use.

[0003] The utility model patent with the authorization announcement number CN216172643U discloses a fully broken feed crushing device, which comprises a crushing box, on which a crushing device, a screening device and a conveying device are arranged, the crushing device comprises a pair of crushing rollers, the crushing rollers are arranged in the inner cavity of the crushing box, and the crushing box is provided with a first motor for driving the crushing rollers to rotate; the screening device comprises a screening net, which is arranged in the inner cavity of the crushing box and is located below the crushing rollers, and the screening net comprises a screening net. The net is arranged at an angle, and includes a lower end and a higher end respectively located in the length direction thereof. A discharge port connected to the lower end is provided through the side wall of the crushing box; the conveying device includes a storage hopper and a screw conveyor. The storage hopper is arranged on the side wall of the crushing box and is connected to the discharge port. A feed port is also provided on the storage hopper. One end of the screw conveyor is connected to the storage hopper, and the other end thereof penetrates into the inner cavity of the crushing box and extends to the top of the crushing roller. A feed port is provided through the end of the screw conveyor away from the storage hopper. In the utility model, a discharge port, a storage hopper, a screw conveyor and an inclined screening net are provided. The screening net can not only filter out unqualified feed with larger particles, but also make the unqualified feed slide from the inclined screening net to the discharge port, and fall from the discharge port into the storage hopper, and finally be transported to the crushing roller by the screw conveyor for secondary crushing. The utility model can crush unqualified feed multiple times, improve the qualified rate of feed, and improve the quality of feed products.

[0004] Although the feed crushing device with sufficient crushing can conveniently screen and crush unqualified feed through the screening net, the device still has the following problems in actual use: the crushing roller will wear out after long-term use, so it needs to be replaced, and the crushing roller set in the device is installed in the inner cavity of the crushing box. This installation method makes it very inconvenient to disassemble and replace the crushing roller, which is not conducive to the disassembly and replacement of the crushing roller in the later stage. In view of this, we propose a crushing device with an easily disassembled crushing structure. Content of the Utility Model

[0005] The utility model aims to solve at least one of the technical problems in the related art to a certain extent. For this purpose, an object of the utility model is to provide a crushing device with an easily detachable and installable crushing structure. Through the detachable design of the crushing box, the convenience of disassembling and installing the crushing roller is improved, meeting the requirements for the later maintenance and replacement of the crushing roller.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] A crushing device with an easily detachable and installable crushing structure includes a base, a crushing box is arranged above the base, and a feeding hopper is arranged above the crushing box;

[0008] The crushing box includes a bottom box with an open top. At the front and rear ends of the top of the bottom box, two first mounting holes are respectively opened. At the left and right ends of the bottom box, connecting seats are respectively fixed, and two slots are respectively opened on the connecting seats; brackets are respectively fixed on the outer walls of the connecting seats, slides are slidably installed at the openings of the brackets, a clamping block is fixed on one end face of each slide, the clamping block penetrates into the slot, a guide rod is fixed on the other end face of the slide, the guide rod passes through the bracket, and a spring for pressing against the slide is sleeved on each guide rod;

[0009] A detachable top box is arranged above the bottom box. At the front and rear ends of the bottom of the top box, two second mounting holes are respectively opened. At the left and right ends of the top box, fixing seats are respectively fixed, two inserting blocks are respectively fixed at the bottoms of the fixing seats, the inserting blocks are in plug-in fit with the slots, a clamping groove is opened on each inserting block, and the clamping block is in clamping fit with the clamping groove; a feeding groove is opened on the top of the top box, and the feeding hopper is communicated with the feeding groove;

[0010] Two crushing rollers are rotatably installed in the inner cavity between the bottom box and the top box. A plurality of crushing teeth are installed on the outer wall of the crushing roller. Connecting shafts are coaxially fixed at the front and rear ends of the crushing roller. The connecting shafts pass through between the first mounting holes and the second mounting holes and are rotatably connected with the first mounting holes and the second mounting holes; a gear is coaxially key-connected to the connecting shaft at the front side, and the two gears are meshed with each other.

[0011] In addition, the crushing device with an easily detachable and installable crushing structure proposed according to the above application may also have the following additional technical features:

[0012] Specifically, a motor is installed at the rear end of the top of the base. There are two belt pulleys on the front side of the motor. A belt is sleeved between the two belt pulleys. The output shaft of the motor is coaxially key-connected to the lower belt pulley, and the upper belt pulley is coaxially key-connected to the rear connecting shaft.

[0013] Specifically, cross seats are respectively fixed at the bottoms of the left and right ends of the bottom box. Two support rods are respectively fixedly connected between the cross seats and the base through bolts.

[0014] Specifically, the cross-sectional shape of the bracket is U-shaped, and the bracket is fixedly connected to the connecting seat by bolts.

[0015] Specifically, the feed hopper is fixedly connected to the top box by bolts, and the cross-sectional shape of the feed hopper is funnel-shaped.

[0016] Specifically, a plurality of positioning columns are fixed to the bottom of the fixed seat, a plurality of positioning holes are formed in the top of the connecting seat, and the positioning columns are inserted and matched with the corresponding positioning holes.

[0017] Specifically, a discharge groove is formed in the bottom of the bottom box, and both sides of the bottom of the bottom box are high and the middle is low.

[0018] Specifically, the cross-sectional shape of the sliding plate is rectangular, and the size of the sliding plate is adapted to the opening size of the bracket.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] By providing a detachable structure between the bottom box and the top box, it is convenient to open the top box and disassemble the damaged crushing roller, thereby facilitating the maintenance and replacement of the damaged crushing roller, etc.; this design improves the disassembly and assembly convenience of the crushing roller through the detachable design of the crushing box, meeting the later maintenance and replacement requirements of the crushing roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0022] Figure 2 is an exploded structural schematic diagram of the crushing box in the present utility model;

[0023] Figure 3 is a structural schematic diagram of the top box in the present utility model;

[0024] Figure 4 is a structural sectional view of the bottom box in the present utility model;

[0025] Figure 5 is the present utility model Figure 4 an enlarged structural schematic diagram of part A in;

[0026] Figure 6 is a structural schematic diagram of the crushing roller in the present utility model.

[0027] In the figure:

[0028] 1. Base;

[0029] 2. Crushing box; 20. Bottom box; 201. First mounting hole; 202. Connecting seat; 2021. Slot; 203. Horizontal seat; 21. Top box; 211. Second mounting hole; 212. Fixed seat; 213. Insert block; 2130. Card slot; 214. Positioning column; 215. Feeding chute; 22. Support rod; 23. Crushing roller; 231 Insert block; 232. Connecting shaft; 24. Gear; 25. Motor; 26. Pulley; 261. Belt; 27. Bracket; 28. Slide plate; 281. Card block; 282. Guide rod; 29. Spring;

[0030] 3. Feeding hopper. Specific implementation mode

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] This embodiment provides a technical solution:

[0033] Please refer to Figures 1-6As shown in the figure, a crushing device with an easily disassembled and assembled crushing structure includes a base 1. Above the base 1, there is a crushing box 2, and above the crushing box 2, there is a feeding hopper 3. The crushing box 2 includes a bottom box 20 with an open top. At the front and rear ends of the top of the bottom box 20, two first mounting holes 201 are opened. At the left and right ends of the bottom box 20, connecting seats 202 are fixed. The connecting seats 202 are fixedly connected to the bottom box 20 by bolts, and two slots 2021 are opened on each of the connecting seats 202. On the outer walls of the connecting seats 202, brackets 27 are fixed. At the openings of the brackets 27, sliding plates 28 are slidably mounted. On one end face of each sliding plate 28, a clamping block 281 is fixed. The clamping block 281 penetrates into the slot 2021. On the other end face of the sliding plate 28, a guide rod 282 is fixed. Both the guide rod 282 and the clamping block 281 are fixedly connected to the sliding plate 28 by bolts. The guide rod 282 passes through the bracket 27, and a spring 29 for pressing against the sliding plate 28 is sleeved on each guide rod 282. Above the bottom box 20, there is a detachable top box 21. At the front and rear ends of the bottom of the top box 21, two second mounting holes 211 are opened. At the left and right ends of the top box 21, fixing seats 212 are fixed. The fixing seats 212 are fixedly connected to the top box 21 by bolts. At the bottom of each fixing seat 212, two inserting blocks 213 are fixed. The inserting blocks 213 are in plug-in fit with the slots 2021, and on each inserting block 213, a clamping groove 2130 is opened, and the clamping block 281 is in clamping fit with the clamping groove 2130. On the top of the top box 21, a feeding groove 215 is opened, and the feeding hopper 3 is communicated with the feeding groove 215. In the inner cavity between the bottom box 20 and the top box 21, two crushing rollers 23 are rotatably mounted. On the outer wall of the crushing roller 23, a plurality of crushing teeth 231 are mounted. At the front and rear ends of the crushing roller 23, connecting shafts 232 are coaxially fixed. The connecting shafts 232 pass through between the first mounting holes 201 and the second mounting holes 211 and are rotatably connected to the first mounting holes 201 and the second mounting holes 211. At the connecting shaft 232 on the front side, a gear 24 is coaxially key-connected, and the two gears 24 are meshed with each other.

[0034] Further, at the rear end of the top of the base 1, a motor 25 is installed. At the front side of the motor 25, there are two belt pulleys 26. A belt 261 is sleeved between the two belt pulleys 26. The output shaft of the motor 25 is coaxially key-connected to the lower belt pulley 26, and the upper belt pulley 26 is coaxially key-connected to the rear connecting shaft 232. By driving the belt pulley 26 to rotate by the motor 25, the crushing roller 23 can be driven to rotate under the drive of the belt 261. At the same time, this transmission method also has the advantage of being easy to disassemble and assemble, improving the disassembly and assembly convenience of the crushing roller 23.

[0035] In this embodiment, at the bottom of the left and right ends of the bottom box 20, cross seats 203 are fixed. Between the cross seats 203 and the base 1, two support rods 22 are fixedly connected by bolts. The support rods 22 play a role in stably supporting the bottom box 20.

[0036] In this embodiment, the cross-sectional shape of the bracket 27 is U-shaped, and the bracket 27 is fixedly connected to the connecting seat 202 by bolts. The U-shaped design facilitates the installation of structures such as the sliding plate 28, and the bolt fixing method ensures the reliable installation of the bracket 27.

[0037] In this embodiment, the feed hopper 3 is fixedly connected to the top box 21 by bolts, and the cross-sectional shape of the feed hopper 3 is funnel-shaped. The bolt fixing method ensures the installation stability of the feed hopper 3, and the funnel-shaped design is conducive to the convergence of materials towards the feed chute 215.

[0038] In this embodiment, a plurality of positioning posts 214 are fixed to the bottom of the fixed seat 212, a plurality of positioning holes are formed in the top of the connecting seat 202, and the positioning posts 214 are inserted and matched with the corresponding positioning holes. The arrangement of the positioning posts 214 and the positioning holes increases the connection stability between the bottom box 20 and the top box 21.

[0039] In this embodiment, a discharge chute is formed in the bottom of the bottom box 20, and both sides of the bottom of the bottom box 20 are high and the middle is low. This design is conducive to the convergence of materials towards the discharge chute, improving the convenience of discharging.

[0040] In this embodiment, the cross-sectional shape of the sliding plate 28 is rectangular, and the size of the sliding plate 28 is adapted to the opening size of the bracket 27. This design is conducive to the horizontal and stable movement of the sliding plate 28, ensuring the stability of the sliding plate 28.

[0041] It can be understood that a dial head 283 is coaxially fixed at the end of the guide rod 282 in this embodiment. By pulling the dial head 283, it is convenient to pull the guide rod 282 and the sliding plate 28 to move. This design improves the convenience of operation, and further improves the disassembly convenience of the crushing roller 23.

[0042] It should be added that both the bottom box 20 and the top box 21 in this embodiment are made of stainless steel. The stainless steel material has the advantage of corrosion resistance, thus ensuring the service life of the bottom box 20 and the top box 21.

[0043] In addition, the cross-sectional shapes of the first mounting hole 201 and the second mounting hole 211 in this embodiment are both semi-circular, and the sizes of the first mounting hole 201 and the second mounting hole 211 are adapted to the size of the connecting shaft 232. This design is conducive to the smooth rotation of the connecting shaft 232 in the first mounting hole 201 and the second mounting hole 211.

[0044] It is worth noting that the motor 25 involved in this embodiment is an existing conventional technology and will not be elaborated here.

[0045] When the crushing roller 23 needs to be disassembled, the user first pulls the poking heads 283 at both left and right ends to both sides. The poking heads 283 drive the guide rods 282 on both sides to move horizontally. The guide rods 282 drive the slide plates 28 and the clamping blocks 281 to move horizontally. Then the clamping blocks 281 disengage from the clamping grooves 2130, and the restriction of the clamping blocks 281 on the insertion blocks 213 is released. Subsequently, the user jacks up the top box 21 upwards, the positioning columns 214 disengage from the positioning holes, and the top box 21 is separated from the bottom box 20. At this time, the two crushing rollers 23 are exposed. Finally, the user can disassemble the two crushing rollers 23 from the top of the bottom box 20.

[0046] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A crushing device with a crushing structure that can be easily disassembled, comprising a base (1), characterized in that: A crushing box (2) is provided above the base (1), and a feed hopper (3) is provided above the crushing box (2); The crushing box (2) comprises a bottom box (20) with an opening at the top, two first mounting holes (201) are provided at the top of the bottom box (20) at the front and rear ends, a connecting seat (202) is fixed at the left and right ends of the bottom box (20), and two slots (2021) are provided on the connecting seat (202); a bracket (27) is fixed to the outer wall of the connecting seat (202), a slide plate (28) is slidably installed at the opening of the bracket (27), a clamping block (281) is fixed to one end surface of the slide plate (28), the clamping block (281) is inserted into the slot (2021), a guide rod (282) is fixed to the other end surface of the slide plate (28), the guide rod (282) passes through the bracket (27), and a spring (29) for pressing against the slide plate (28) is sleeved on the guide rod (282); A detachable top box (21) is provided above the bottom box (20); two second mounting holes (211) are provided at the front and rear ends of the bottom of the top box (21); a fixing seat (212) is fixed at both the left and right ends of the top box (21); two plug-in blocks (213) are fixed at the bottom of the fixing seat (212); the plug-in blocks (213) are plugged into the slots (2021); a card slot (2130) is provided on the plug-in blocks (213); and the card blocks (281) are card-engaged with the card slots (2130); a feed trough (215) is provided at the top of the top box (21); and the feed hopper (3) is connected to the feed trough (215); Two crushing rollers (23) are rotatably mounted in the inner cavity between the bottom box (20) and the top box (21); a plurality of crushing teeth (231) are mounted on the outer wall of the crushing roller (23); connecting shafts (232) are coaxially fixed at both the front and rear ends of the crushing roller (23); the connecting shaft (232) passes between the first mounting hole (201) and the second mounting hole (211) and is rotatably connected to the first mounting hole (201) and the second mounting hole (211); a gear (24) is coaxially keyed at the connecting shaft (232) located at the front side, and the two gears (24) are meshed with each other.

2. The crushing device with easily detachable crushing structure according to claim 1 is characterized in that: A motor (25) is installed at the top rear end of the base (1), two pulleys (26) are arranged on the front side of the motor (25), a belt (261) is sleeved between the two pulleys (26), the output shaft of the motor (25) is coaxially keyed to the pulley (26) located at the bottom, and the pulley (26) located at the top is coaxially keyed to the connecting shaft (232) located at the rear side.

3. The crushing device with easily detachable crushing structure according to claim 1 is characterized in that: The left and right ends of the bottom box (20) are both fixed with a cross seat (203) at the bottom, and two support rods (22) are fixedly connected between the cross seat (203) and the base (1) by bolts.

4. The crushing device with easily detachable crushing structure according to claim 1 is characterized in that: The cross-sectional shape of the bracket (27) is U-shaped, and the bracket (27) is fixedly connected to the connecting seat (202) by bolts.

5. The crushing device with easily detachable crushing structure according to claim 1 is characterized in that: The feed hopper (3) is fixedly connected to the top box (21) by means of bolts, and the cross-sectional shape of the feed hopper (3) is funnel-shaped.

6. The crushing device with easily detachable crushing structure according to claim 1, characterized in that: A plurality of positioning columns (214) are fixed to the bottom of the fixing seat (212), a plurality of positioning holes are opened on the top of the connecting seat (202), and the positioning columns (214) are plugged into and matched with the corresponding positioning holes.

7. The crushing device with easily detachable crushing structure according to claim 1 is characterized in that: The bottom of the bottom box (20) is provided with a material discharge trough, and the bottom of the bottom box (20) is high at both sides and low in the middle.

8. The crushing device with easily detachable crushing structure according to claim 1, characterized in that: The cross-sectional shape of the slide plate (28) is rectangular, and the size of the slide plate (28) is matched with the opening size of the bracket (27).

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