Pretreatment device for rapeseed oil extraction

Abstract

The rapeseed oil pressing pretreatment device comprises a pretreatment box, a rotating shaft and a pretreatment screening net, a supporting frame is horizontally fixed in the pretreatment box, a discharging groove is formed in the middle of the supporting frame in a penetrating mode, a collecting box is placed at the lower end in the pretreatment box, and bearing seats are longitudinally installed at the left end and the right end in the pretreatment box; a motor is installed at the right end of the pretreatment box, a rotating shaft is fixed in inner rings of the two bearing seats, the shaft end of the motor is in transmission connection with the rotating shaft, and the left end and the right end of the annular side face of the rotating shaft are fixedly sleeved with fixing rings. The motor is adopted to indirectly drive the protruding block to rotate, the protruding block is matched with the reset spring to push the pretreatment screening frame to vibrate up and down, then the pretreatment screening net can screen out fine impurities such as gravel and soil contained in rapeseeds, efficiency is high, and application and popularization are facilitated.

Description

Technical Field

[0001] The utility model relates to a rapeseed oil pressing pretreatment device, belonging to the technical field of rapeseed pretreatment. Background Art

[0002] Rapeseed is one of the main raw materials for making oil. During the process of harvesting or drying, rapeseed may be mixed with impurities such as sand, soil, and rapeseed stems and leaves. If these impurities are not effectively treated, they will not only cause poor quality of the cake, but also reduce the quality of the oil. In addition, if the oil contains sand, mechanical impurities, etc., it will also damage the oil pressing equipment. Therefore, a screening device is needed in the process of rapeseed oil pressing pretreatment device.

[0003] However, the existing screening devices have poor screening effects. When people use the screening devices, they cannot screen out fine impurities such as sand, stone, and soil contained in rapeseed. At the same time, the efficiency is low. Now, there is an urgent need for a rapeseed oil extraction pretreatment device to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a rapeseed oil extraction pretreatment device to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure and good practicality. A motor is used to indirectly drive the protrusion to rotate, and the protrusion cooperates with a reset spring to push the pretreatment screening frame to vibrate up and down, so that the pretreatment screening net can screen out fine impurities such as sand, stone, and soil contained in the rapeseed. The utility model has high efficiency and is conducive to popularization and use.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a rapeseed oil pressing pretreatment device, comprising a pretreatment box, a rotating shaft and a pretreatment screening net, a support frame is horizontally fixed inside the pretreatment box, and a feeding trough is opened in the middle of the support frame, a collecting box is placed at the lower end of the pretreatment box, bearing seats are longitudinally installed at the left and right ends of the pretreatment box, a motor is installed at the right end of the pretreatment box, the rotating shaft is fixed in the inner rings of the two bearing seats, and the motor shaft end is connected to the rotating shaft by transmission, the left and right ends of the annular side of the rotating shaft are fixed with fixed rings, the upper end of the left fixed ring and the lower end of the right fixed ring are fixed with convex blocks, the upper end of the support frame is horizontally fixed with a second spring mounting piece, the upper ends of multiple second spring mounting pieces are longitudinally installed with reset springs, the upper ends of multiple reset springs are horizontally fixed with a first spring mounting piece, the upper ends of multiple first spring mounting pieces are horizontally fixed with a mounting frame, a pretreatment screening frame is clamped in the mounting frame, and the pretreatment screening net is horizontally fixed at the lower end of the pretreatment screening frame.

[0006] Furthermore, a feed hopper is provided through the upper end of the pretreatment box, and a plurality of legs are installed at the lower end of the pretreatment box.

[0007] Furthermore, a pick-up and place groove is provided on the upper side of the front end of the pretreatment box, and a push-pull groove is provided on the lower side of the front end of the pretreatment box.

[0008] Furthermore, a guide frame is fixed at the lower end of the feed chute, and the guide frame is located directly above the collecting box.

[0009] Furthermore, the protrusion on the left side abuts against the left side of the lower end of the pre-treatment screening net.

[0010] Furthermore, handles are installed on the left and right sides of the upper end of the pre-processing screening frame.

[0011] The beneficial effects of the utility model: the utility model is a rapeseed oil pressing pretreatment device, because the utility model adds a supporting frame, a collecting box, a motor, a rotating shaft, a bearing seat, a fixing ring, a protrusion, a pretreatment screening net, a pretreatment screening frame, a mounting frame and a reset spring. Our design improvement and actual use have shown that the device uses a motor to indirectly drive the protrusion to rotate, and the protrusion cooperates with the reset spring to push the pretreatment screening frame to vibrate up and down, so that the pretreatment screening net can screen out fine impurities such as sand, stone, and soil contained in the rapeseed, with high efficiency and conducive to popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a rapeseed oil pressing pretreatment device of the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of a rapeseed oil pressing pretreatment device of the utility model;

[0015] Figure 3 This is a three-dimensional connection diagram of a rotating shaft of a rapeseed oil pressing pretreatment device of the utility model;

[0016] In the figure: 1-pretreatment box, 2-feed hopper, 3-support frame, 4-discharge chute, 5-guide frame, 6-collection box, 7-push-pull trough, 8-pick-up trough, 9-motor, 10-rotating shaft, 11-bearing seat, 12-fixing ring, 13-bump, 14-pretreatment screening net, 15-pretreatment screening frame, 16-mounting frame, 17-first spring mounting plate, 18-reset spring, 19-second spring mounting plate. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0018] See also Figure 1-Figure 3 The utility model provides a technical solution: a rapeseed oil pressing pretreatment device, including a pretreatment box 1, a rotating shaft 10 and a pretreatment screening net 14, a support frame 3 is horizontally fixed inside the pretreatment box 1, and a feeding trough 4 is opened in the middle of the support frame 3, a collecting box 6 is placed at the lower end of the pretreatment box 1, bearing seats 11 are longitudinally installed at the left and right ends of the pretreatment box 1, a motor 9 is installed at the right end of the pretreatment box 1, the rotating shaft 10 is fixed in the inner rings of the two bearing seats 11, and the shaft end of the motor 9 is connected to the rotating shaft 10 in a transmission manner, and the left and right ends of the annular side of the rotating shaft 10 are fixed with fixed rings 12, and the left side A protrusion 13 is fixed to the upper end of the fixing ring 12 and the lower end of the right fixing ring 12, and a second spring mounting piece 19 is horizontally fixed on all sides of the upper end of the support frame 3, and a reset spring 18 is longitudinally installed on the upper ends of multiple second spring mounting pieces 19, and a first spring mounting piece 17 is horizontally fixed to the upper ends of multiple reset springs 18, and a mounting frame 16 is horizontally fixed to the upper ends of multiple first spring mounting pieces 17. A pretreatment screening frame 15 is provided inside the mounting frame 16, and the pretreatment screening net 14 is horizontally fixed at the lower end inside the pretreatment screening frame 15. This design solves the problems of poor screening effect and low operating efficiency of existing screening devices.

[0019] As the first embodiment of the utility model: a feed hopper 2 is arranged through the upper end of the pretreatment box 1, and a plurality of legs are installed at the lower end of the pretreatment box 1. The added feed hopper 2 facilitates the addition of rapeseed into the pretreatment box 1. A pick-up and placement groove 8 is provided on the upper side of the front end of the pretreatment box 1, and a push-pull groove 7 is provided on the lower side of the front end of the pretreatment box 1. The pick-up and placement groove 8 facilitates the staff to pull out the pretreatment screening frame 15 and the pretreatment screening net 14.

[0020] A guide frame 5 is fixed at the lower end of the feed chute 4, and the guide frame 5 is located directly above the collecting box 6. By adding the guide frame 5 and the opened feed chute 4, it is convenient to guide the fine impurities such as sand, stone, and soil screened out from the rapeseed into the collecting box 6. The left side protrusion 13 is abutted against the left side of the lower end of the pretreatment screening net 14. The two added protrusions 13 can push the left and right sides of the lower end of the pretreatment screening net 14 in turn, so that the pretreatment screening net 14 can be pushed to vibrate, thereby facilitating the screening of the rapeseed inside it. Handles are installed on the left and right sides of the upper end of the pretreatment screening frame 15. The added handles make it convenient for the staff to lift the pretreatment screening frame 15.

[0021] As the second embodiment of the utility model: start the motor 9, the shaft end of the motor 9 will drive the rotating shaft 10 to rotate, and then the two fixing rings 12 and the two protrusions 13 are driven to rotate, and when the two protrusions 13 rotate, they will push the left and right sides of the lower end of the pre-treatment screening net 14 in turn, so that the pre-treatment screening net 14, the pre-treatment screening frame 15 and the mounting frame 16 can vibrate, and at the same time, multiple reset springs 18 are driven to vibrate through multiple first spring mounting pieces 17, and then the rapeseed is added to the pre-treatment box 1 through the feed hopper 2, and the rapeseed will fall into the vibrating pre-treatment screening net 14 for vibration screening, so that the fine impurities such as sand, stone, and soil screened out from the rapeseed can fall into the collecting box 6 through the discharge chute 4 and the guide frame 5. After the screening is completed, the staff can pull the two handles through the pick-up and release trough 8 to pull out the pre-treatment screening net 14 and the pre-treatment screening frame 15.

[0022] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A rapeseed oil extraction pretreatment device, comprising a pretreatment box (1), a rotating shaft (10) and a pretreatment screening net (14), characterized in that: A support frame (3) is horizontally fixed inside the pretreatment box (1), and a material discharge chute (4) is provided through the middle of the support frame (3), and a collection box (6) is placed at the lower end of the pretreatment box (1); The left and right ends of the pretreatment box (1) are longitudinally mounted with bearing seats (11), the right end of the pretreatment box (1) is mounted with a motor (9), the rotating shaft (10) is fixed in the inner rings of the two bearing seats (11), and the shaft end of the motor (9) is drivingly connected to the rotating shaft (10), the left and right ends of the annular side surface of the rotating shaft (10) are fixed with fixing rings (12), and the upper end of the left fixing ring (12) and the lower end of the right fixing ring (12) are fixed with protrusions (13); Second spring mounting pieces (19) are horizontally fixed around the upper end of the support frame (3), and a plurality of return spring mounting pieces (18) are longitudinally mounted on the upper ends of the second spring mounting pieces (19). A first spring mounting piece (17) is horizontally fixed on the upper ends of the return springs (18), and a mounting frame (16) is horizontally fixed on the upper ends of the first spring mounting pieces (17). A pre-treatment screening frame (15) is provided inside the mounting frame (16), and the pre-treatment screening net (14) is horizontally fixed at the lower end of the inner part of the pre-treatment screening frame (15).

2. A rapeseed oil extraction pretreatment device according to claim 1, characterized in that: A feed hopper (2) is provided through the upper end of the pretreatment box (1), and a plurality of supporting legs are installed at the lower end of the pretreatment box (1).

3. The rapeseed oil extraction pretreatment device according to claim 1, characterized in that: The upper front end of the pretreatment box (1) is provided with a pick-up and place groove (8), and the lower front end of the pretreatment box (1) is provided with a push-pull groove (7).

4. The rapeseed oil extraction pretreatment device according to claim 1, characterized in that: A flow guide frame (5) is fixed at the lower end of the feed chute (4), and the flow guide frame (5) is located directly above the collection box (6).

5. The rapeseed oil extraction pretreatment device according to claim 1, characterized in that: The protrusion (13) on the left side abuts against the left side of the lower end of the pre-treatment screening net (14).

6. The rapeseed oil pressing pretreatment device according to claim 1, characterized in that: Handles are installed on the left and right sides of the upper end of the pretreatment screening frame (15).

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