Papaya crushing device for extracting protease

Abstract

The utility model discloses a papaya crushing device for extracting protease. The papaya crushing device comprises a crushing box, a driving motor, a telescopic mechanism and a cutter, a stator of the driving motor is connected with the bottom end of the crushing box; a rotor penetrates through the lower wall of the crushing box and is rotationally connected with the upper wall; the fixed end of the telescopic mechanism is connected with the upper end of the crushing box, and the telescopic end penetrates through the upper wall of the crushing box and is coaxial with the rotor; the cutter comprises a fixed cutter fixedly arranged at the bottom end of the rotor and a sliding cutter arranged at the upper part of the fixed cutter; the side wall of the rotor is provided with two sliding grooves which are symmetrically distributed. The sliding cutter comprises a sliding block matched with the inner wall of the rotor and two blades penetrating through the two sliding grooves. An elastic piece is further arranged between every two adjacent cutters in the rotor, and the telescopic end is rotationally connected with the cutter sliding block at the uppermost end through a second bearing. According to the papaya crushing device for extracting protease, disclosed by the utility model, the crushing efficiency can be improved and the crushing energy consumption can be reduced by changing the distance between the adjacent cutters.

Description

Technical Field

[0001] The utility model relates to the technical field of papaya crushing, in particular to a papaya crushing device for extracting protease. Background Art

[0002] In the process of papain extraction, papaya needs to be crushed and juiced, which is the initial step of papain extraction and is also a relatively important step, but the current papaya crushing and juice collection technology has the defects of low efficiency and high energy consumption. For example, Chinese patent CN216631072U discloses a pulverizing device for papaya processing, including a first housing, a discharge pipe is connected to the bottom of one side wall of the first housing, a first spraying part is arranged on the other side wall of the first housing, a second housing is fixedly arranged on the top of the first housing, the first housing is connected to the second housing, a plurality of lifting parts are fixedly arranged at the center of the bottom end of the first housing, a pulverizing part is fixedly arranged on the top of the lifting part, the pulverizing part is slidably connected to the inner side wall of the second housing, a second spraying part is arranged on one side of the second housing close to the first spraying part, a plurality of pre-treatment parts are fixedly arranged on the top of the outer side of the second housing, the outlet of the pre-treatment part is connected to the inside of the second housing, and the pulverizing part is electrically connected to a control system, thereby improving the pulverizing effect and raw material utilization rate of papaya. Although the prior art adopts a structure in which a stirring blade cooperates with a stirring shaft, the spacing between the stirring blade and the stirring shaft is fixed, so there is a problem of insufficient pulp crushing. In addition, the device also requires pre-processing such as cutting the papaya entering the shell, and uses multiple drive motors to drive multiple stirring shafts. Utility Model Content

[0003] In view of the above problems, the utility model provides a papaya crushing device for extracting protease, aiming to solve the problems of insufficient crushing due to fixed cutter spacing in existing crushing devices, low efficiency due to the need to pretreat the papaya, and high energy consumption due to multiple driving devices.

[0004] The utility model adopts the following technical solutions to achieve the above purpose:

[0005] A papaya crushing device for extracting protease, comprising a crushing box, a driving motor, a telescopic mechanism, and a cutter; wherein the upper wall and the lower wall of the crushing box are respectively provided with a feeding port and a discharging port; the stator of the driving motor is fixedly connected to the bottom end of the crushing box, and the rotor penetrates the lower wall of the crushing box and is rotatably connected to the upper wall through a first bearing; the telescopic mechanism comprises a fixed end and a telescopic end, the fixed end is fixedly connected to the upper end of the crushing box, and the telescopic end penetrates the upper wall of the crushing box and is coaxially arranged with the rotor; the cutter comprises a fixed cutter fixedly arranged at the bottom end of the rotor and two or more sliding cutters arranged on the upper part of the fixed cutter; the side wall of the rotor is provided with two symmetrically distributed slide grooves; the bottom end of the slide groove is located between the fixed cutter and the adjacent sliding cutter, and the top end of the slide groove is located at the top end of the uppermost sliding cutter; the sliding cutter comprises a slider matched with the inner wall of the rotor, and two blades extending from the slider to both sides and respectively penetrating the two slide grooves; an elastic member is also provided between adjacent cutters inside the rotor, and the telescopic end is rotatably connected to the uppermost cutter slider through a second bearing.

[0006] The working principle of the technical solution is that at the initial moment, the telescopic mechanism is in a retracted state, and the sliding cutter is in a state of large spacing under the action of the rebound force of the elastic member, and the driving motor drives the motor shaft to rotate, which is used for the early stage of crushing papaya or its pulp with a larger volume; when the pulp volume is small, the crushing efficiency of the large-spacing cutter is low, and at this time, the telescopic end is started to extend, driving the uppermost sliding cutter to squeeze the elastic member matched with it, and the squeezing force is transmitted to the upper end surface of the fixed cutter in sequence through the elastic member, and the slider of the sliding cutter slides downward along the slide groove to reduce the spacing of the cutters, thereby improving the crushing efficiency of smaller pulp, and at the same time can replace the stirring support shaft mechanism and the pretreatment mechanism in the prior art, thereby reducing the crushing energy consumption; when the crushing is completed, the telescopic end retracts, and the sliding cutter slides upward along the slide groove to return to the initial state of large spacing.

[0007] Preferably, the bottom end of the slide groove is the midpoint of the distance between the fixed tool and its adjacent sliding tool.

[0008] Preferably, the elastic member is a spring.

[0009] Preferably, the lower wall of the slider is also provided with two limit blocks respectively cooperating with the two slide grooves, and the two limit blocks are also used to limit the upper end of the elastic member. In this technical solution, the limit blocks can make the slider slide along the slide groove, improve the stability of the tool during the rotation of the rotor, and prevent the elastic member from deflecting.

[0010] Preferably, the telescopic mechanism is a pneumatic cylinder or a hydraulic cylinder.

[0011] The beneficial effects of the utility model are:

[0012] The utility model discloses a papaya crushing device for extracting protease. A sliding cutter is driven to slide up and down along a slide groove by a telescopic mechanism and an elastic member, and the distance between adjacent cutters is changed, so that the crushing of different pulp volumes can be adapted. Compared with the crushing state of the prior art, the crushing efficiency can be improved and the crushing energy consumption can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 : The structural diagram of the crushing device of the utility model at the initial moment.

[0014] Figure 2 This is a structural diagram of a state in which the distance between the cutters of the crushing device of the utility model is relatively small.

[0015] Figure 3 : The structural diagram of the first limit block of the crushing device described in the utility model.

[0016] In the figure: 1. crushing box; 2. driving motor; 21. stator; 22. rotor; 221. first slide slot; 222. second slide slot; 3. telescopic mechanism; 31. fixed end; 32. telescopic end; 41. first bearing; 42. second bearing; 51. fixed tool; 52. sliding tool; 521. slider; 6. elastic member; 71. first limit block; 72. second limit block. DETAILED DESCRIPTION

[0017] like Figure 1 to Figure 2As shown, the present embodiment provides a papaya crushing device for extracting protease, comprising a crushing box 1, a driving motor 2, a telescopic mechanism 3, and a cutter; wherein the upper wall and the lower wall of the crushing box 1 are respectively provided with an inlet and a discharge port, the inlet is used to put papaya or its pulp into the crushing box, and the discharge port is used to collect the juice of the papaya and the pulp that is not completely crushed, and the structure in the prior art can be adopted, which will not be described in detail here; the stator 21 of the driving motor 2 is fixedly connected to the bottom end of the crushing box 1, and the rotor 22 passes through the lower wall of the crushing box 1 and is rotatably connected to the upper wall through the first bearing 41; the telescopic mechanism 3 comprises a fixed end 31 and a telescopic end 32, and the fixed end 31 is fixedly connected to the upper end of the crushing box 1. The telescopic end 32 passes through the upper wall of the crushing box 1 and is arranged coaxially with the rotor 22; the tool includes a fixed tool 51 fixed to the bottom end of the rotor 22 and two or more sliding tools 52 arranged on the upper part of the fixed tool; the side wall of the rotor 22 is provided with two symmetrically distributed slide grooves; the bottom end of the slide groove is located between the fixed tool and the adjacent sliding tool, and the top end of the slide groove is located at the top end of the uppermost sliding tool; the sliding tool includes a slider 521 matched with the inner wall of the rotor 22, and two blades extending from the slider 521 to both sides and respectively passing through the two slide grooves; an elastic member 6 is also provided between adjacent tools inside the rotor 22, and the telescopic end 32 is rotatably connected to the uppermost tool slider through a second bearing 42.

[0018] Specifically, the upper wall of the crushing box 1 is provided with a through hole that cooperates with the outer ring of the first bearing 41, the outer ring of the first bearing 41 is fixedly connected to the upper wall of the crushing box 1, and the inner ring of the first bearing 41 is fixedly connected to the outer ring of the rotor 22, thereby realizing the rotation of the rotor 22 relative to the crushing box 1; in addition, in order to improve the stability of the rotor 22 during rotation, the rotor 22 can also be rotatably connected to the lower wall of the crushing box 1 through another bearing; in order to improve the sealing performance of the crushing box bearing structure, sealing components such as sealing gaskets can also be installed at the bearings; the telescopic mechanism 3 is specifically a pneumatic cylinder, the fixed end 31 of which is a cylinder body, and the telescopic end 32 is a piston rod. Under the drive of the pneumatic pump, the piston rod can be telescoped along the axis of the cylinder body, wherein the outer ring of the piston rod is fixedly connected to the inner ring of the second bearing 42, and the outer ring of the second bearing 42 is fixedly connected to the inner wall of the rotor 22, thereby realizing the rotation of the rotor 22 , the piston rod does not rotate therewith; the two slide grooves are respectively the first slide groove 221 and the second slide groove 222, the first slide groove 221 and the second slide groove 222 are parallel to the axis of the rotor 22 and are symmetrically arranged, and the bottom end of the slide groove is used to limit the sliding tool at the lower end to continue to move downward, that is, to control the spacing between adjacent tools. In this embodiment, the bottom end of the slide groove is located at the midpoint of the spacing between the fixed tool 51 and its adjacent sliding tool 52, which can be set according to specific working conditions. The specific number of sliding tools 52 can be set according to the height of the crushing box, the size of the tool and other dimensions, and is not limited here; the top end of the slide groove is used to limit the sliding tool 52 at the top end to continue to move upward under the action of the rebound force of the elastic member, so that the spacing between the tools is in the initial state; the elastic member 6 is specifically a spring, the lower end of the spring is installed to the upper end face of the lower end tool matched with it, and the upper end is installed to the lower end face of the upper end tool matched with it.

[0019] Its working process is as follows: at the initial moment, the telescopic end 32 of the telescopic mechanism 3 is in a retracted state, and the sliding cutter 52 is in a state of large spacing under the action of the elastic force of the elastic member, and the uppermost sliding cutter 52 is located at the upper end of the slide slot, and the driving motor 2 drives the motor shaft 22 to rotate, and the cutter rotates accordingly, which is used for crushing papaya or its pulp with a larger volume in the early stage; when the pulp volume is small, the crushing efficiency of the cutter with a large spacing is low, and at this time, the telescopic end 32 is started to extend, driving the uppermost sliding cutter 52 to squeeze the elastic member matched with it, and the squeezing force is transmitted to the upper end surface of the fixed cutter 51 in turn through the elastic member, and the slider of the sliding cutter 52 slides downward along the slide slot, so that the spacing of the cutters becomes smaller, thereby improving the crushing efficiency of smaller pulp, and at the same time, it can replace the stirring support shaft mechanism and the pretreatment mechanism in the prior art, thereby reducing the crushing energy consumption; when the crushing is completed, the telescopic end 32 retracts, and the sliding cutter 42 slides upward along the slide slot to return to the large spacing state at the initial moment.

[0020] Another embodiment, in order to improve the stability of the sliding tool 52 during sliding and rotating and the stability of the elastic member, based on the above embodiment, as Figure 3As shown, the bottom end of the slider is further provided with a first limit block 71 and a second limit block 72 respectively adapted to the width dimensions of the first slide groove 221 and the second slide groove 222; the spacing between the first limit block 71 and the second limit block 72 is adapted to the width dimension of the elastic member.

[0021] The above-mentioned embodiment exemplarily shows the specific structure of the telescopic mechanism 3 and the elastic member 6. In other embodiments or practical applications, other structures can be used as substitutes. For example, a hydraulic cylinder can be used instead of a pneumatic cylinder to drive the sliding tool 52 to slide, thereby changing the distance between the tools; a rubber block can be used instead of a spring to exert a rebound force on adjacent tools.

[0022] The utility model discloses a papaya crushing device for extracting protease, which drives a sliding cutter 52 to slide up and down along a slide groove through a telescopic mechanism 3 and an elastic member 6, and changes the spacing between adjacent cutters, so as to adapt to the crushing of different pulp volumes. Compared with the crushing state of the prior art, the crushing efficiency can be improved and the crushing energy consumption can be reduced.

Claims

1. A papaya crushing device for extracting protease, characterized in that: It comprises a crushing box (1), a driving motor (2), a telescopic mechanism (3), and a cutter; wherein the upper wall and the lower wall of the crushing box (1) are respectively provided with a material inlet and a material outlet; The stator (21) of the driving motor (2) is fixedly connected to the bottom of the crushing box (1), and the rotor (22) penetrates the lower wall of the crushing box (1) and is rotatably connected to the upper wall via a first bearing (41); The telescopic mechanism (3) comprises a fixed end (31) and a telescopic end (32), wherein the fixed end (31) is fixedly connected to the upper end of the crushing box (1), and the telescopic end (32) penetrates the upper wall of the crushing box (1) and is coaxially arranged with the rotor (22); The cutter comprises a fixed cutter (51) fixed to the bottom end of the rotor (22) and two or more sliding cutters (52) arranged on the top of the fixed cutter; The side wall of the rotor (22) is provided with two symmetrically distributed slide grooves; the bottom end of the slide groove is located between the fixed tool and the adjacent sliding tool, and the top end of the slide groove is located at the top end of the uppermost sliding tool; The sliding tool comprises a sliding block (521) matched with the inner wall of the rotor (22), and two blades extending from the sliding block (521) to both sides and respectively passing through two sliding grooves; An elastic member (6) is also provided between adjacent cutters inside the rotor (22), and the telescopic end (32) is rotatably connected to the cutter slide block at the uppermost end via a second bearing (42).

2. A papaya crushing device for extracting protease according to claim 1, characterized in that: The bottom end of the slide groove is the midpoint of the distance between the fixed tool and its adjacent sliding tool.

3. A papaya crushing device for extracting protease according to claim 1, characterized in that: The elastic member is a spring.

4. A papaya crushing device for extracting protease according to claim 1, characterized in that: The lower wall of the sliding block is also provided with two limit blocks respectively matched with the two sliding grooves, and the two limit blocks are also used to limit the upper end of the elastic member.

5. The papaya crushing device for extracting protease according to claim 1, characterized in that: The telescopic mechanism (3) is a pneumatic cylinder or a hydraulic cylinder.

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