Lobster screening and grading machine

Abstract

The utility model relates to the field of lobster screening, and discloses a lobster screening and grading machine which comprises a roller, a plurality of grading openings are evenly formed in the outer portion of the roller in a penetrating mode, an adjusting structure is arranged outside the roller and comprises four sliding grooves evenly formed in the outer portion of the roller, and sliding blocks are installed in the four sliding grooves in a sliding mode. A plurality of check rings are fixedly installed at the ends, away from each other, of the four sliding blocks at equal intervals and correspond to the grading openings, the check rings are mutually limited and fixed at equal intervals through four connecting plates, and locking bolts are installed at the tops of the check rings in a penetrating mode through screw holes. The lobster grading device has the advantages that the sliding blocks in the check rings move directionally along the sliding grooves, the sliding blocks and the corresponding grading openings are gradually overlapped and shielded, the grading openings are fixed through the locking bolts, the calibers of the grading openings are adjusted at will, and the lobster grading device can be conveniently used for screening operation of lobsters of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of lobster screening, in particular to a lobster screening and grading machine. Background Art

[0002] After retrieval, the patent document with the authorization announcement number CN116349723A discloses a lobster screening and grading machine, including: two mounting frames, an installation barrel is arranged between the two mounting frames, a moving component is arranged inside the installation barrel, the moving component includes two moving rods, a moving frame is arranged between the two moving rods, one side of the moving frame is connected with a screening barrel, a plurality of communication holes are sequentially arranged on the surface of the installation barrel from left to right, a moving device is arranged between the two mounting frames and below the installation barrel, and a fixing plate is installed between the two mounting frames.

[0003] However, the above design still has deficiencies. The above design uses an installation barrel with fixed holes for preliminary screening, with only a single standard for limitation, resulting in a problem that the sizes of the screened lobsters are too different. Therefore, we propose a lobster screening and grading machine to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a lobster screening and grading machine with the effect of arbitrarily adjusting the size of the grading opening.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a lobster screening and grading machine, including: a roller, a plurality of grading openings are uniformly penetrated through the outside of the roller, and an adjusting structure is arranged outside the roller;

[0006] The adjusting structure includes four sliding grooves uniformly arranged on the outside of the roller, sliders are slidably installed inside the four sliding grooves, a plurality of retaining rings are equidistantly and fixedly installed at one ends of the four sliders away from each other and corresponding to the plurality of grading openings, the plurality of retaining rings are mutually limited and fixed by four connecting plates at equal intervals, screw holes are penetrated through the tops of the plurality of retaining rings, and the bottom ends of the plurality of locking bolts all extend to the roller.

[0007] The further setting of the utility model is: shaft barrels are coaxially welded at both ends of the roller.

[0008] By adopting the above technical solution, by coaxially welding shaft barrels at both ends of the roller, the balance support behavior is realized, avoiding left and right shaking when the roller rotates, and effectively improving the service life of the equipment.

[0009] The further setting of the utility model is: the outside of both shaft barrels is inserted with the same frame through rolling bearings.

[0010] By adopting the above technical solution, a same frame is inserted through rolling bearings on the outsides of the two shaft cylinders, realizing the balanced and stable supporting behavior by using the frame and avoiding the problem of dislocation caused by uneven force.

[0011] A further setting of the present utility model is that support legs are welded and installed at the four corners of the bottom end of the frame.

[0012] By adopting the above technical solution, support legs are welded and installed at the four corners of the bottom end of the frame, realizing the balanced supporting behavior and avoiding the problem of inclination and dislocation during placement.

[0013] A further setting of the present utility model is that a power structure and a feeding structure are respectively arranged in the two shaft cylinders.

[0014] By adopting the above technical solution, by respectively arranging a power structure and a feeding structure in the two shaft cylinders, power drive is realized on one side and continuous feeding behavior is realized on the other side.

[0015] A further setting of the present utility model is that the power structure includes a driven pulley sleeved on the outside of the left shaft cylinder among the two shaft cylinders.

[0016] By adopting the above technical solution, in the power structure including a driven pulley sleeved on the outside of the left shaft cylinder among the two shaft cylinders, the synchronous rotation behavior of the driven pulley and the roller on the shaft cylinder is realized.

[0017] A further setting of the present utility model is that one end of the driven pulley is connected to a driving pulley through a belt.

[0018] By adopting the above technical solution, connecting one end of the driven pulley to a driving pulley through a belt realizes the long-distance transmission of power from the driving pulley to the driven pulley.

[0019] A further setting of the present utility model is that one end of the driving pulley is inserted into a motor through a driving shaft, and one end of the motor is installed on the corresponding support leg through bolts.

[0020] By adopting the above technical solution, inserting one end of the driving pulley into a motor through a driving shaft and installing one end of the motor on the corresponding support leg through bolts realizes the synchronous rotation behavior of the motor controlling the driving pulley.

[0021] A further setting of the present utility model is that the feeding structure includes a feeding hopper rotatably inserted into the inside of the right shaft cylinder among the two shaft cylinders.

[0022] By adopting the above technical solution, in the feeding structure, a feed hopper rotatably inserted into the right shaft cylinder of the two shaft cylinders is provided, enabling the real-time addition of materials and avoiding the problem of untimely addition of lobster materials.

[0023] A further setting of the present utility model is that both ends of the feed hopper are fixed to the frame through welded fixing brackets.

[0024] By adopting the above technical solution, in that both ends of the feed hopper are fixed to the frame through welded fixing brackets, a stable fixing behavior is achieved.

[0025] The beneficial effects of the present utility model are as follows:

[0026] 1. In the present utility model, the sliders inside several retaining rings are displaced along the sliding grooves in a directional manner, gradually overlapping and blocking the corresponding several grading openings, and are fixed by locking bolts, thereby achieving the arbitrary adjustment of the diameters of the several grading openings, which is convenient for the screening operation of lobsters of different sizes;

[0027] 2. In the present utility model, the feed hopper is rotatably inserted into the right shaft cylinder and does not rotate synchronously with the roller, enabling the real-time addition of materials and avoiding the problem of untimely addition of lobster materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0029] Figure 1 is a three-dimensional structural schematic diagram of a lobster screening and grading machine of the present utility model;

[0030] Figure 2 is a side structural schematic diagram of a lobster screening and grading machine of the present utility model;

[0031] Figure 3 is a schematic diagram of structure A of a lobster screening and grading machine of the present utility model.

[0032] In the figure, 1. Roller; 2. Grading opening; 3. Adjusting structure; 301. Sliding groove; 302. Slider; 303. Retaining ring; 304. Connecting plate; 305. Locking bolt; 4. Shaft cylinder; 5. Frame; 6. Power structure; 601. Driven pulley; 602. Driving pulley; 603. Motor; 7. Support leg; 8. Feeding structure; 801. Feed hopper; 802. Fixing bracket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The technical solution of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0034] When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can also be an intermediate component. "Disposed" represents a way of existence and can be connection, installation, fixed connection, active connection and other connection methods. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the specification of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0036] See Figures 1-3 , the present utility model provides a lobster screening and grading machine, including: a roller 1, a plurality of grading ports 2 are uniformly penetrated outside the roller 1, and an adjusting structure 3 is arranged outside the roller 1;

[0037] The adjusting structure 3 includes four sliding grooves 301 uniformly opened outside the roller 1. Sliders 302 are slidably installed inside the four sliding grooves 301. A plurality of retaining rings 303 are equidistantly and fixedly installed at the mutually remote ends of the four sliders 302 and corresponding to a plurality of grading ports 2. The plurality of retaining rings 303 are mutually limited and fixed by four connecting plates 304 at equal intervals. Locking bolts 305 are installed through the top of the plurality of retaining rings 303 through screw holes, and the bottom ends of the plurality of locking bolts 305 all extend to the roller 1.

[0038] Specifically, shafts 4 are coaxially welded to both ends of the roller 1. A same frame 5 is inserted through rolling bearings on the outer sides of the two shafts 4. Support legs 7 are welded and installed at the four corners of the bottom end of the frame 5. A power structure 6 and a feeding structure 8 are respectively arranged in the two shafts 4. The power structure 6 includes a driven pulley 601 sleeved on the outer side of the left shaft 4 among the two shafts 4. One end of the driven pulley 601 is connected to a driving pulley 602 through a belt. One end of the driving pulley 602 is inserted into a motor 603 through a driving shaft. One end of the motor 603 is installed on the corresponding support leg 7 through bolts. The feeding structure 8 includes a feeding hopper 801 rotatably inserted into the right shaft 4 among the two shafts 4. Both ends of the feeding hopper 801 are fixed to the frame 5 through welded fixing brackets 802.

[0039] With the above scheme, by coaxially welding shafts 4 to both ends of the roller 1, a balanced supporting behavior is achieved, avoiding left and right shaking when the roller 1 rotates, and effectively improving the service life of the equipment. By inserting a same frame 5 through rolling bearings on the outer sides of the two shafts 4, a balanced and stable supporting behavior is achieved using the frame 5, avoiding the problem of dislocation due to uneven force. Support legs 7 are welded and installed at the four corners of the bottom end of the frame 5 to achieve a balanced supporting behavior and avoid the problem of inclined dislocation during placement. By respectively arranging a power structure 6 and a feeding structure 8 in the two shafts 4, power driving is carried out on one side and continuous feeding is carried out on the other side. In the power structure 6, a driven pulley 601 is sleeved on the outer side of the left shaft 4 among the two shafts 4 to achieve the synchronous rotation behavior of the driven pulley 601 and the roller 1 on the shaft 4. One end of the driven pulley 601 is connected to a driving pulley 602 through a belt to achieve the long-distance transmission of power from the driving pulley 602 to the driven pulley 601. One end of the driving pulley 602 is inserted into a motor 603 through a driving shaft, and one end of the motor 603 is installed on the corresponding support leg 7 through bolts to achieve the synchronous rotation behavior of the motor 603 controlling the driving pulley 602. In the feeding structure 8, a feeding hopper 801 is rotatably inserted into the right shaft 4 among the two shafts 4 to achieve the real-time addition of materials and avoid the problem of untimely addition of lobster materials. Both ends of the feeding hopper 801 are fixed to the frame 5 through welded fixing brackets 802 to achieve a stable fixing behavior.

[0040] The above has introduced in detail a lobster screening and grading machine provided by the present utility model. Specific embodiments are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A lobster screening and grading machine, characterized in that: include: A roller (1), wherein a plurality of grading openings (2) are evenly penetrated on the outside of the roller (1), and an adjustment structure (3) is arranged on the outside of the roller (1); The adjustment structure (3) comprises four slide grooves (301) uniformly arranged on the outside of the roller (1), a slider (302) being slidably mounted inside each of the four slide grooves (301), a plurality of retaining rings (303) being equidistantly fixedly mounted at one end of the four sliders (302) away from each other and corresponding to the plurality of grading ports (2), the plurality of retaining rings (303) being equidistantly fixed to each other via four connecting plates (304), a locking bolt (305) being installed on the top of each of the retaining rings (303) via a screw hole, and the bottom ends of the plurality of locking bolts (305) extending to the roller (1).

2. A lobster screening and grading machine according to claim 1, characterized in that: Both ends of the roller (1) are coaxially welded with a shaft cylinder (4).

3. A lobster screening and grading machine according to claim 2, characterized in that: The exteriors of the two shaft cylinders (4) are both plugged with a same frame (5) via rolling bearings.

4. A lobster screening and grading machine according to claim 3, characterized in that: Support legs (7) are installed at the four corners of the bottom end of the frame (5) by welding.

5. The lobster screening and grading machine according to claim 2, characterized in that: A power structure (6) and a feeding structure (8) are respectively arranged in the two shaft cylinders (4).

6. A lobster screening and grading machine according to claim 5, characterized in that: The power structure (6) comprises a driven pulley (601) sleeved on the outside of the left shaft cylinder (4) of the two shaft cylinders (4).

7. A lobster screening and grading machine according to claim 6, characterized in that: One end of the driven pulley (601) is connected to the driving pulley (602) via a belt.

8. The lobster screening and grading machine according to claim 7, characterized in that: One end of the driving pulley (602) is plugged into the motor (603) via a driving shaft, and one end of the motor (603) is mounted on the corresponding supporting leg (7) via bolts.

9. The lobster screening and grading machine according to claim 5, characterized in that: The feeding structure (8) comprises a feeding hopper (801) which is rotatably inserted into the interior of the right shaft cylinder (4) of the two shaft cylinders (4).

10. The lobster screening and grading machine according to claim 9, characterized in that: Both ends of the feed hopper (801) are fixed to the frame (5) via welded fixing frames (802).

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