Camellia oleifera cake crushing device with high extraction rate

Abstract

The invention discloses an oil tea cake crushing device with a high extraction rate, and relates to the technical field of oil tea cake treatment. The central rotating device is fixed in the center of the base; the protective shell is fixed to the base and located on the outer side of the lower portion of the center rotating device. The lifting mechanism is fixed on the outer wall of the protective shell; the positioning adjusting device is fixed to the outer wall of the upper portion of the center rotating device and located above the protective shell. The primary crushing device is fixed at the top of the protective shell and corresponds to the positioning adjusting device; and the secondary crushing device is fixed between the central rotating device and the protective shell and is positioned below the positioning adjusting device. According to the oil tea cake crushing device, oil tea cakes can be fully crushed, in the crushing process, materials meeting the standard are discharged in time, materials not meeting the standard are crushed multiple times, it is guaranteed that the materials are completely crushed, and excessive crushing of the materials is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of camellia oil cake processing, and more particularly to a camellia oil cake crushing device with a high extraction rate. Background Art

[0002] After the traditional tea oil manufacturing process, a large amount of camellia oleifera cakes will be produced, which contain rich ingredients such as protein and tea saponin and have high comprehensive utilization value. When the camellia oleifera cake components are extracted, the camellia oleifera cakes need to be crushed. However, the traditional camellia oleifera cake crushing technology has the problems of low crushing efficiency and incomplete crushing, which causes the effective ingredients in the camellia oleifera cakes to be unable to be fully extracted, resulting in a waste of resources. In order to achieve a complete crushing effect, when the camellia oleifera cakes are crushed, the same batch of camellia oleifera cakes are usually subjected to multiple cycles of crushing to achieve a complete crushing effect. However, in the crushing process, some materials are easily over-crushed, causing the cell wall to rupture completely, releasing unwanted substances, or increasing impurities, affecting subsequent separation. Therefore, it is necessary to provide a camellia oleifera cake crushing device with a high extraction rate to solve the problems raised in the above-mentioned background technology. Summary of the Invention

[0003] To achieve the above object, the present invention provides the following technical solution: a high extraction rate camellia oil cake crushing device, comprising:

[0004] base;

[0005] A central rotating device is fixed at the center of the base;

[0006] A protective housing is fixed to the base and is located on the lower outer side of the central rotating device;

[0007] A lifting mechanism is fixed to the outer wall of the protective shell;

[0008] A positioning and adjusting device is fixed on the upper outer wall of the central rotating device and is located above the protective shell;

[0009] The first-stage crushing device is fixed on the top of the protective shell and corresponds to the positioning adjustment device;

[0010] The secondary crushing device is fixed between the central rotating device and the protective shell and is located below the positioning and adjusting device.

[0011] Furthermore, preferably, the central rotating device includes:

[0012] The rotating motor is fixed in the inner center of the base;

[0013] The rotating shaft is vertically arranged and fixed on the rotating motor;

[0014] The dispersion arc is fixed on the top of the rotating shaft.

[0015] Furthermore, preferably, the positioning adjustment device includes:

[0016] The conveying cylinder is fixed on the upper part of the rotating shaft and is located above the protective shell;

[0017] A plurality of resistance bars are provided in an annular distribution and fixed on the outer wall of the conveying cylinder;

[0018] A connecting ring is provided on the outside of the conveying cylinder and is at the same level as the top of the conveying cylinder, and a plurality of connecting plates are fixed on the inside of the connecting ring, and the connecting plates are rotatably connected to the outer wall of the conveying cylinder;

[0019] Connecting telescopic inclined planes, multiple of which are arranged in an annular distribution and are rotatably connected to the connecting ring and the primary crushing device respectively;

[0020] The limiting bars are provided in a plurality of annular distributions and are arranged at the bottom of the connecting ring by rotating the rotating ring and are spaced apart from the resistance bars;

[0021] Feed ring, fixed on the top of the connecting ring.

[0022] Furthermore, preferably, the distance between the limit bars and the conveying cylinder decreases from top to bottom, and the distance between the limit bars is the same as the minimum distance between the limit bars and the conveying cylinder.

[0023] Furthermore, preferably, the primary crushing device includes:

[0024] The bearing ring is fixed to the lifting mechanism 4 on the outer wall of the protective shell, and the top is rotatably connected to the positioning and adjustment device;

[0025] Crushing mechanical arm components, a plurality of which are arranged in an annular distribution and fixed on the bearing ring body;

[0026] A reciprocating drive assembly is fixedly arranged on the side of the crushing mechanical arm assembly;

[0027] Synchronous assembly, connecting multiple reciprocating drive assemblies.

[0028] Furthermore, preferably, the crushing mechanical arm assembly includes:

[0029] A connecting seat is fixed on the bearing ring body;

[0030] The fixed arm is arranged horizontally, with one end fixed on the connecting seat;

[0031] A rotating telescopic arm is rotatably arranged at an end of the fixed arm away from the connecting seat;

[0032] The breaker hammer is rotatably arranged at one end of the rotating telescopic arm.

[0033] Furthermore, preferably, the gap between the breaker hammer and the limit bar corresponds to each other.

[0034] Furthermore, preferably, the reciprocating drive assembly includes:

[0035] An active dial is rotatably arranged at the lower portion where the fixed arm and the rotating telescopic arm are connected;

[0036] The driven dial is rotated and set just above the driving dial;

[0037] The driven sheave is arranged between the driving dial and the driven dial, and a rotating shaft fixed on the driven sheave passes through the fixed arm and is fixedly connected to the rotating telescopic arm.

[0038] Furthermore, preferably, the synchronization component includes:

[0039] Support blocks are respectively arranged on both sides of the fixed arm to support the fixed arm;

[0040] A universal connecting shaft connects two adjacent primary crushing devices, one end of which is fixedly connected to the reciprocating drive assembly and the other end is rotatably connected to the support block, and a driving mechanism is provided between the two primary crushing devices;

[0041] The transmission shaft body is arranged below the fixed arm and connects two adjacent universal joint shafts.

[0042] Furthermore, preferably, the secondary crushing device includes:

[0043] The guide inner ring is arranged on the outside of the rotating shaft and fixed to the bottom of the conveying cylinder;

[0044] The guide outer ring is arranged on the inner side of the protective shell and corresponds to the guide inner ring;

[0045] Crushing inner ring, fixed to the bottom of the guide inner ring;

[0046] The crushing outer ring is fixed to the bottom of the guide outer ring, and the distance between the crushing outer ring and the crushing inner ring decreases from top to bottom;

[0047] Gather the outer ring and secure it to the top of the protective housing.

[0048] Compared with the prior art, the present invention has the following beneficial effects:

[0049] In the present invention, the linkage design of the rotating motor, the rotating shaft and the dispersion arc in the central rotating device allows the block materials to be evenly dispersed to the positioning and adjustment device under the action of centrifugal force, thus avoiding material accumulation. At the same time, the rotating shaft drives the resistance bar to rotate continuously, driving the stuck materials to move. In conjunction with the dynamic adjustment function of the limit bar, it ensures that the materials are fully crushed in the primary crushing device, preventing local overload or jamming.

[0050] The gradient design of the spacing between the conveying cylinder and the annular limit bar in the positioning and adjustment device, combined with the rotatable limit bar structure, enables automatic grading of materials by size. Small-sized materials fall directly into the secondary crushing device, while large-sized materials are temporarily stored in the gap between the limit bars and receive targeted processing from the primary crushing device. At the same time, by connecting the telescopic inclined surface and the lifting mechanism, the primary crushing device can adjust the crushing position as the material moves downward, ensuring that the crushing trajectory accurately covers all layers of the material and improving crushing uniformity.

[0051] Through the combined design of the crushing arm assembly and the reciprocating drive assembly in the primary crushing device, the synchronization assembly drives multiple groups of breakers to reciprocate along a specific trajectory, and the gaps between the breakers and the limit bars correspond one to one, achieving precise pressure crushing of stuck materials. At the same time, the rotating telescopic arm can adjust the position of the breakers as the material particle size decreases, avoiding excessive extrusion and the generation of fine powder;

[0052] Through the gradual design of the gap between the inner and outer crushing rings in the secondary crushing device, the material after primary crushing enters the annular crushing chamber driven by the rotating shaft. Progressive grinding is achieved through the relative movement of the inner and outer rings. The material with a particle size that meets the extraction requirements falls naturally and is collected, while the material that does not meet the standards is continuously crushed, which not only ensures the extraction efficiency but also avoids the introduction of impurities due to excessive crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 This is a schematic diagram of the overall structure of a high-extraction-rate camellia oil cake crushing device;

[0054] Figure 2 Schematic diagram of the central rotating device structure;

[0055] Figure 3 It is a structural diagram of the positioning adjustment device;

[0056] Figure 4 This is a schematic diagram of the structure of the first-stage crushing device;

[0057] Figure 5 It is a schematic diagram of the structure of the crushing robot arm assembly and the reciprocating drive assembly;

[0058] Figure 6 This is a schematic diagram of the synchronization component structure;

[0059] Figure 7 This is a plan view of the secondary crushing device;

[0060] Figure 8 This is a schematic diagram of the structure of the secondary crushing device;

[0061] Figure: 1. Base; 2. Center rotating device; 3. Protective shell; 4. Lifting mechanism; 5. Positioning and adjusting device; 6. Primary crushing device; 7. Secondary crushing device; 21. Rotating motor; 22. Rotating shaft; 23. Dispersion arc; 51. Conveying cylinder; 52. Resistance bar; 53. Connecting ring; 54. Connecting telescopic inclined plane; 55. Limiting bar; 56. Feeding ring; 57. Connecting plate; 61. Carrying ring; 62. Crushing machine Arm assembly; 63. Reciprocating drive assembly; 64. Synchronizing assembly; 71. Guide inner ring; 72. Guide outer ring; 73. Crushing inner ring; 74. Crushing outer ring; 75. Collecting outer ring; 621. Connecting seat; 622. Fixed arm; 623. Rotating telescopic arm; 624. Breaking hammer; 631. Active dial; 632. Driven dial; 633. Driven sheave; 641. Support block; 642. Universal joint; 643. Transmission shaft. DETAILED DESCRIPTION

[0062] See also Figures 1 to 8 In an embodiment of the present invention, a high-extraction-rate camellia oil cake crushing device comprises:

[0063] Base 1;

[0064] A central rotating device 2 is fixed at the center of the base 1;

[0065] The protective housing 3 is fixed on the base 1 and is located on the lower outer side of the central rotating device 2;

[0066] The lifting mechanism 4 is fixed on the outer wall of the protective shell 3;

[0067] The positioning and adjusting device 5 is fixed on the upper outer wall of the central rotating device 2 and is located above the protective shell 3;

[0068] The primary crushing device 6 is fixed on the top of the protective shell 3 and corresponds to the positioning adjustment device 5;

[0069] The secondary crushing device 7 is fixed between the central rotating device 2 and the protective shell 3 and is located below the positioning and adjusting device 5.

[0070] In this embodiment, the central rotating device 2 includes:

[0071] The rotating motor 21 is fixed at the inner center of the base 1;

[0072] The rotating shaft 22 is vertically arranged and fixed on the rotating motor 21;

[0073] The dispersion arc 23 is fixed on the top of the rotating shaft 22 .

[0074] That is to say, driven by the rotating motor 21, the rotating shaft 22 and the dispersion arc 23 are driven to rotate synchronously, and the oil-tea cake that is initially crushed into blocks is transported from the top of the dispersion arc 23 to the crushing device. Under the rotation of the dispersion arc 23, the blocky oil-tea cake is dispersed to the surroundings and enters the positioning and adjustment device 5, and is subjected to a primary crushing treatment in the primary crushing device 6. Moreover, under the rotation of the rotating shaft 22, the oil-tea cake is driven to move between the positioning and adjustment devices 5, assisting the primary crushing device 6 in crushing the oil-tea cake. After the primary crushing, the oil-tea cake falls into the secondary crushing device 7, and is crushed again to a suitable particle size, and then transported downward for collection. The suitable particle size here refers to crushing the material to a certain particle size so as to release the effective ingredients without releasing unnecessary substances or increasing impurities to affect subsequent separation.

[0075] In this embodiment, the positioning adjustment device 5 includes:

[0076] The conveying cylinder 51 is fixed to the upper part of the rotating shaft 22 and is located above the protective shell 3;

[0077] A plurality of resistance bars 52 are provided in an annular distribution and fixed on the outer wall of the conveying cylinder 51;

[0078] The connecting ring 53 is provided on the outside of the conveying cylinder 51 and is on the same horizontal plane as the top of the conveying cylinder 51. A plurality of connecting plates 57 are fixed on the inside of the connecting ring 53. The connecting plates 57 are rotatably connected to the outer wall of the conveying cylinder 51.

[0079] A plurality of connecting telescopic inclined surfaces 54 are provided in an annular distribution and are rotatably connected to the connecting ring 53 and the primary crushing device 6 respectively;

[0080] The limiting bars 55 are provided in a plurality of annular distributions and are rotatably arranged at the bottom of the connecting ring 53 by a rotating ring, and are spaced apart from the resistance bars 52;

[0081] The feeding ring 56 is fixed on the top of the connecting ring 53 .

[0082] As a preferred embodiment, multiple limit bars 55 are fixed at the bottom of the rotating ring, and the rotating ring is rotatably set at the bottom of the connecting ring 53. The rotating ring is controlled by an independent control unit and remains fixed or rotates at the bottom of the connecting ring 53.

[0083] In this embodiment, the distance between the limiting bars 55 and the conveying cylinder 51 decreases from top to bottom, and the distance between the limiting bars 55 is the same as the minimum distance between the limiting bars 55 and the conveying cylinder 51.

[0084] That is to say, the bulk material is conveyed to the crushing device through the feed ring 56, and is dispersed to the surroundings into the space between the conveying cylinder 51 and the limit bar 55 under the rotation of the dispersion arc 23. Materials of different sizes are stuck at different positions between the conveying cylinder 51 and the limit bar 55. Some materials with sizes smaller than the distance between the limit bars 55 fall directly into the secondary crushing device 7 and are directly crushed at the secondary level. The remaining stuck materials are gradually crushed under the action of the primary crushing device 6, and are finally conveyed to the secondary crushing device 7 through the limit bar 55 and the bottom of the conveying cylinder 51 or between the limit bars 55. The primary crushing device 6 is used to crush the space between the conveying cylinder 51 and the limit bar 55. When the material in between is crushed, the rotating shaft 22 drives the resistance bar 52 to rotate continuously through the conveying cylinder 51, and drives the stuck material to move through the resistance bar 52, so that the first-level crushing device 6 can comprehensively crush each material block. At the same time, during the rotation process, the resistance bar 52 cooperates with the limit bar 55 to also have a certain crushing ability for the material, effectively preventing the material from being stuck between the conveying cylinder 51 and the limit bar 55 and unable to move. If some material is stuck between the limit bar 55 and cannot fall or move, the limit bar 55 can be driven by the rotating ring to rotate a distance of a single spacing, and the material between each limit bar 55 is crushed and cleaned in turn through the first-level crushing device 6.

[0085] In this embodiment, the primary crushing device 6 includes:

[0086] The bearing ring 61 is fixed to the lifting mechanism 4 on the outer wall of the protective shell 3, and the top is rotatably connected to the positioning adjustment device 5;

[0087] A plurality of crushing mechanical arm assemblies 62 are provided in an annular distribution and fixed on the supporting ring body 61;

[0088] The reciprocating drive assembly 63 is fixedly arranged on the side of the crushing mechanical arm assembly 62;

[0089] The synchronization component 64 connects the multiple reciprocating drive components 63 .

[0090] That is to say, under the action of the synchronization component 64, the reciprocating drive component 63 controls the crushing mechanical arm component 62 to move repeatedly along a predetermined trajectory, and crushes the material between the conveying cylinder 51 and the limit bar 55. As the same batch of materials continues to be crushed and moves downward, the primary crushing device 6 can be driven downward by the lifting mechanism 4 to fully crush the lower material between the limit bar 55 and the conveying cylinder 51. At this time, while the primary crushing device 6 moves downward, the connecting telescopic inclined surface 54 rotates and stretches on the bearing ring body 61 and the connecting ring 53. When the lifting mechanism 4 drives the primary crushing device 6 to move upward and reset, the connecting telescopic inclined surface 54 rotates and contracts on the bearing ring body 61 and the connecting ring 53. Under the action of the connecting telescopic inclined surface 54, the position of the connecting ring 53 is restricted by the bearing ring body 61, so that the connecting ring 53 cannot rotate, and under the action of the connecting plate 57, the height of the connecting ring 53 is restricted, so that the limit bar 55 remains in a fixed position, and can only be adjusted to a fixed distance by rotating the ring.

[0091] In this embodiment, the crushing mechanical arm assembly 62 includes:

[0092] The connecting seat 621 is fixed on the carrying ring body 61;

[0093] The fixed arm 622 is arranged horizontally, with one end fixed on the connecting base 621;

[0094] The telescopic arm 623 is rotatably mounted on an end of the fixed arm 622 away from the connecting base 621;

[0095] The breaker hammer 624 is rotatably mounted on one end of the rotating telescopic arm 623 .

[0096] That is to say, as the material gradually moves downward between the conveying cylinder 51 and the limit bar 55, the first-stage crushing device 6 moves downward while rotating the telescopic arm 623 to extend, so that the breaker hammer 624 moves toward the position of the conveying cylinder 51, and rotates the breaker hammer 624 to accurately adjust the position between the breaker hammer 624 and the material, so that the rotation trajectory of the breaker hammer 624 driven by the rotating telescopic arm 623 can crush the material to a specific size.

[0097] In this embodiment, the gap between the breaker hammer 624 and the limiting bar 55 corresponds to each other.

[0098] In this embodiment, the reciprocating drive assembly 63 includes:

[0099] An active dial 631 is rotatably arranged at the lower portion where the fixed arm 622 and the rotating telescopic arm 623 are connected;

[0100] A driven dial 632 is rotatably arranged just above the driving dial 631;

[0101] The driven sheave 633 is disposed between the driving dial 631 and the driven dial 632 , and a rotating shaft fixed on the driven sheave 633 passes through the fixed arm 622 and is fixedly connected to the rotating telescopic arm 623 .

[0102] That is to say, driven by the synchronization component 64, the active dial 631 and the driven dial 632 rotate in opposite directions, respectively driving the driven sheave 633 to rotate back and forth, and the driven sheave 633 drives the rotating telescopic arm 623 to rotate up and down and reciprocate, thereby driving the breaker hammer 624 to crush the material between the limit bars 55. In the reciprocating cycle crushing process, the breaker hammer 624 can be controlled to rotate upward so that the running trajectory of the breaker hammer 624 approaches the conveying cylinder 51, and the material is gradually crushed until the size of the material is small enough and moves downward between the conveying cylinder 51 and the limit bar 55.

[0103] In this embodiment, the synchronization component 64 includes:

[0104] Support blocks 641 are respectively provided on both sides of the fixed arm 622 to support the fixed arm 622;

[0105] A universal connecting shaft 642 connects two adjacent primary crushing devices 6, one end of which is fixedly connected to the reciprocating drive assembly 63 and the other end of which is rotatably connected to the support block 641, and a driving mechanism is provided between the two primary crushing devices 6;

[0106] The transmission shaft 643 is disposed below the fixed arm 622 and connects two adjacent universal joint shafts 642 .

[0107] That is to say, driven by the driving mechanism, the universal joint shaft 642 rotates synchronously under the action of the transmission shaft 643, thereby driving the active dial 631 to rotate continuously, and at the same time, the driven dial 632 rotates in the opposite direction of the active dial 631, respectively driving the driven sheave 633 to rotate back and forth, and the driven sheave 633 drives the rotating telescopic arm 623 to rotate up and down reciprocatingly, thereby driving the breaker hammer 624 to crush the material between the limit bars 55.

[0108] In this embodiment, the secondary crushing device 7 includes:

[0109] The guide inner ring 71 is provided on the outer side of the rotating shaft 22 and fixed to the bottom of the conveying cylinder 51;

[0110] The guide outer ring 72 is provided on the inner side of the protective shell 3 and corresponds to the guide inner ring 71;

[0111] The crushing inner ring 73 is fixed to the bottom of the guide inner ring 71;

[0112] The crushing outer ring 74 is fixed to the bottom of the guide outer ring 72, and the distance between the crushing outer ring 74 and the crushing inner ring 73 decreases from top to bottom;

[0113] The collecting outer ring 75 is fixed on the top of the protective shell 3.

[0114] That is to say, some materials with sizes smaller than the distance between the limit bars 55 fall directly, and are guided by the guide inner ring 71 and the guide outer ring 72 to enter between the crushing inner ring 73 and the crushing outer ring 74. The materials crushed by the primary crushing device 6 fall downward, and are guided by the guide inner ring 71 and the guide outer ring 72 to enter between the crushing inner ring 73 and the crushing outer ring 74 under the restriction of the collecting outer ring 75. Driven by the rotating shaft 22, the crushing inner ring 73 rotates continuously, and with the assistance of the crushing outer ring 74, the materials are crushed for the second time. The crushed materials move downward and are continuously crushed until they meet the size requirements and fall directly into the base 1 for collection. It should be noted that the position of the collecting outer ring 75 will not affect the reciprocating crushing work of the crushing robot arm assembly 62 when the primary crushing device 6 moves up and down.

[0115] In the specific implementation, the lump oil tea cake material that has been initially crushed is first conveyed to the crushing device through the feed ring 56. Under the rotation of the dispersion arc block 23, it is dispersed to the surroundings and enters between the conveying cylinder 51 and the limit bar 55. Materials of different sizes are stuck at different positions between the conveying cylinder 51 and the limit bar 55. Some materials with sizes smaller than the spacing between the limit bars 55 fall directly and enter the secondary crushing device 7 for direct secondary crushing. The remaining stuck materials are gradually crushed under the action of the primary crushing device 6 and finally pass through the limit bar 55 and the conveying cylinder. The materials are transported to the secondary crushing device 7 between the bottom of 51 or the limit bar 55. In the secondary crushing device 7, the crushing inner ring 73 rotates continuously, and with the assistance of the crushing outer ring 74, the materials are crushed for the second time. The crushed materials move downward and are continuously crushed until they meet the size requirements and fall directly into the base 1 for collection. The device can fully crush the camellia oil cake, and in the crushing process, the materials that meet the standards are discharged in time, and the materials that do not meet the standards are crushed multiple times, which not only ensures that the materials are completely crushed, but also avoids excessive crushing of the materials.

[0116] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A high extraction rate camellia oil cake crushing device, characterized by: include: Base (1); A central rotating device (2) is fixed at the center of the base (1); A protective housing (3) is fixed to the base (1) and is located outside the lower portion of the central rotating device (2); A lifting mechanism (4) is fixed to the outer wall of the protective housing (3); A positioning and adjusting device (5) is fixed to the upper outer wall of the central rotating device (2) and is located above the protective housing (3); A primary crushing device (6) is fixed on the top of the protective housing (3) and corresponds to the positioning adjustment device (5); The secondary crushing device (7) is fixed between the central rotating device (2) and the protective shell (3), and is located below the positioning and adjusting device (5).

2. The high-extraction-rate camellia oil cake crushing device according to claim 1, characterized in that: The central rotating device (2) comprises: A rotating motor (21) is fixed to the inner center of the base (1); A rotating shaft (22) is vertically arranged and fixed on the rotating motor (21); The dispersion arc (23) is fixed on the top of the rotating shaft (22).

3. The high extraction rate camellia oil cake crushing device according to claim 2, characterized in that: The positioning adjustment device (5) comprises: The conveying cylinder (51) is fixed to the upper part of the rotating shaft (22) and is located above the protective shell (3); A plurality of resistance bars (52) are provided in an annular distribution and fixed on the outer wall of the conveying cylinder (51); A connecting ring (53) is arranged on the outside of the conveying cylinder (51) and is on the same horizontal plane as the top of the conveying cylinder (51), and a plurality of connecting plates (57) are fixed on the inside of the connecting ring (53), and the connecting plates (57) are rotatably connected to the outer wall of the conveying cylinder (51); A plurality of connecting telescopic inclined surfaces (54) are provided in an annular distribution and are rotatably connected to the connecting ring (53) and the primary crushing device (6) respectively; A plurality of limit bars (55) are provided in an annular distribution and are rotatably arranged at the bottom of the connecting ring (53) through a rotating ring, and are spaced apart from the resistance bars (52); The feed ring (56) is fixed on the top of the connecting ring (53).

4. The high-extraction-rate camellia oil cake crushing device according to claim 3, characterized in that: The distance between the limiting strips (55) and the conveying cylinder (51) decreases from top to bottom, and the distance between the limiting strips (55) is the same as the minimum distance between the limiting strips (55) and the conveying cylinder (51).

5. The high extraction rate camellia oil cake crushing device according to claim 3, characterized in that: The primary crushing device (6) comprises: The bearing ring (61) is fixed to the lifting mechanism 4 on the outer wall of the protective shell (3), and the top is rotatably connected to the positioning and adjusting device (5); A plurality of crushing mechanical arm assemblies (62) are provided in an annular distribution and fixed on the supporting ring body (61); A reciprocating drive assembly (63) is fixedly arranged on the side of the crushing mechanical arm assembly (62); A synchronization component (64) is connected to the plurality of reciprocating drive components (63).

6. The high-extraction-rate camellia oil cake crushing device according to claim 5, characterized in that: The crushing mechanical arm assembly (62) includes: A connecting seat (621) is fixed on the bearing ring (61); A fixed arm (622) is arranged horizontally, with one end fixed on the connecting seat (621); A rotating telescopic arm (623) is rotatably arranged at one end of the fixed arm (622) away from the connecting seat (621); A breaker hammer (624) is rotatably mounted on one end of the rotating telescopic arm (623).

7. The high-extraction-rate camellia oil cake crushing device according to claim 6, characterized in that: The gap between the breaker hammer (624) and the limiting strip (55) corresponds to each other.

8. The high-extraction-rate camellia oil cake crushing device according to claim 6, characterized in that: The reciprocating drive assembly (63) comprises: An active dial (631) is rotatably arranged at the lower portion of the connection between the fixed arm (622) and the rotating telescopic arm (623); A driven dial (632) is rotatably arranged just above the active dial (631); The driven sheave (633) is arranged between the active dial (631) and the driven dial (632), and a rotating shaft fixed on the driven sheave (633) passes through the fixed arm (622) and is fixedly connected to the rotating telescopic arm (623).

9. The high-extraction-rate camellia oil cake crushing device according to claim 8, characterized in that: The synchronization component (64) includes: Support blocks (641) are respectively arranged on both sides of the fixed arm (622) to support the fixed arm (622); A universal connecting shaft (642) connects two adjacent primary crushing devices (6), one end of which is fixedly connected to the reciprocating drive assembly (63) and the other end of which is rotatably connected to the support block (641), and a driving mechanism is provided between the two primary crushing devices (6); The transmission shaft (643) is arranged below the fixed arm (622) and connects two adjacent universal connecting shafts (642).

10. The high-extraction-rate camellia oil cake crushing device according to claim 3, characterized in that: The secondary crushing device (7) comprises: A guide inner ring (71) is arranged on the outside of the rotating shaft (22) and fixed to the bottom of the conveying cylinder (51); A guide outer ring (72) is provided on the inner side of the protective housing (3) and corresponds to the guide inner ring (71); A crushing inner ring (73) is fixed to the bottom of the guide inner ring (71); A crushing outer ring (74) is fixed to the bottom of the guide outer ring (72), and the distance between the crushing outer ring (74) and the crushing inner ring (73) decreases from top to bottom; The outer collecting ring (75) is fixed on the top of the protective housing (3).

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