Pork dicing equipment

Abstract

The utility model discloses pork dicing equipment, which belongs to the technical field of pork production, and comprises a mounting rack, the surface of the mounting rack is fixedly connected with a transmission assembly, the transmission assembly comprises a first rotating shaft and a rotating roller, and the surface of the mounting rack is fixedly connected with a sliding assembly. The sliding assembly comprises a first supporting plate, two sliding rods, a mounting plate and a first electric push rod, a dicing assembly is fixedly connected to the lower surface of the mounting plate, the dicing assembly comprises a connecting block, two vertical cutters and a plurality of transverse cutters, and a first moving assembly is fixedly connected to the upper surface of the mounting plate. The transverse cutter and the vertical cutter are ground under the action of the two cutter grinders, and the first moving assembly and the second moving assembly are arranged, so that the multiple grinding assemblies are conveniently driven to move on the surfaces of the transverse cutter and the vertical cutter, and the cutters are conveniently ground under the condition that the cutters are not disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of pork production, and more specifically, to a pork cutting device. Background Art

[0002] Pork is a major side dish in daily life. It has the functions of nourishing the body, nourishing yin and moistening dryness, and nourishing the muscles and skin. It is one of the important animal foods on people's tables. During the production and processing of pork, large pieces of pork need to be cut into pieces to facilitate the refrigeration, sale and further processing of pork. After working for a long time, the existing cutting equipment has worn blades and cannot completely cut the pork pieces. Some pork pieces are prone to adhesion. Grinding the cutting knife usually requires the cutting knife to be disassembled and polished. The operation is cumbersome and cannot be polished quickly, which affects the efficiency of pork production. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a pork slicing device, which has the characteristic of being easy to sharpen the cutting knife.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides a pork slicing device, including a mounting frame, a transmission component is fixedly connected to the surface of the mounting frame, the transmission component includes a first rotating shaft and a rotating roller, a sliding component is fixedly connected to the surface of the mounting frame, the sliding component includes a first supporting plate, two sliding rods, a mounting plate and a first electric push rod, a slicing component is fixedly connected to the lower surface of the mounting plate, the slicing component includes a connecting block, two vertical cutting knives and a plurality of horizontal cutting knives, a first moving component is fixedly connected to the upper surface of the mounting plate, the first moving component includes a mounting shell, a second rotating shaft, a first threaded column, a threaded A cap, a first slider, a first through slot, a second motor, a second electric push rod and a first fixed plate, a second moving assembly is arranged on the upper surface of the mounting plate, the second moving assembly includes a second support plate, a third rotating shaft, a second threaded column, a third motor, a threaded tube, a first connecting rod, two first trapezoidal slide rails, two second through slots, two third electric push rods and a second connecting rod, a plurality of grinding assemblies are fixedly connected to the upper surface of the first fixed plate and the upper surface of the second connecting rod, the grinding assembly includes a shell, a second trapezoidal slide rail, a second slider, a whetstone and two springs, and a discharge plate is fixedly connected to the side of the mounting frame.

[0007] When a pork slicing device using the technical solution is used, a grinding component is provided to grind the cross-cutting knife and the vertical cutting knife under the action of two whetstones. By providing a first movable component and a second movable component, it is convenient to drive multiple grinding components to move on the surface of the cross-cutting knife and the vertical cutting knife, thereby facilitating the grinding of the cutting knife without disassembling the cutting knife.

[0008] Furthermore, the first rotating shaft is rotatably connected to the surface of the mounting frame through a bearing, the rotating roller is penetrated through the surface of the first rotating shaft, there are two groups of rotating rollers, and they are symmetrically arranged on the surface of the mounting frame, the surfaces of the two rotating rollers are rollingly connected with a conveyor belt, the surface of the mounting frame is fixedly connected with a first motor, and one end of the output shaft of the first motor is fixedly connected to one end of one of the first rotating shafts.

[0009] Furthermore, the first support plate is fixedly connected to the surface of the mounting frame, the two sliding rods and the first electric push rod are fixedly connected to the upper surface of the first support plate, there are two groups of the first electric push rods, and they are symmetrically arranged on the surface of the mounting frame, the mounting plate is slidably connected to the surfaces of multiple sliding rods, and the mounting plate is fixedly connected to the upper ends of the two first electric push rods.

[0010] Furthermore, the connection block is fixedly connected to the lower surface of the mounting plate, and the two vertical cutting knives and the plurality of cross cutting knives are all fixedly connected to the lower surface of the connection block.

[0011] Furthermore, the mounting shell is fixedly connected to the upper surface of the mounting plate, the second rotating shaft is rotatably connected to the inner wall of the mounting shell through a bearing, the first threaded column is penetrated through the surface of the second rotating shaft, the threaded nut is threadedly connected to the surface of the first threaded column, the first slider is fixedly connected to the side surface of the threaded nut, the first through groove is opened on the side surface of the mounting shell, the first slider is slidably connected to the surface of the first through groove, the second motor is fixedly connected to the upper surface of the mounting plate, one end of the output shaft of the second motor is fixedly connected to one end of the second rotating shaft, the second electric push rod is fixedly connected to the lower surface of the first slider, and the first fixing plate is fixedly connected to the lower end of the second electric push rod.

[0012] Furthermore, the second support plate is fixedly connected to the upper surface of the mounting plate, the third rotating shaft is rotatably connected to the surface of the second support plate through a bearing, the second threaded column is fixedly connected to the other end of the third rotating shaft, the third motor is fixedly connected to the upper surface of the mounting plate, one end of the third motor output shaft is fixedly connected to one end of the third rotating shaft, the threaded tube is threadedly connected to the surface of the second threaded column, the first connecting rod is penetrated through the surface of the threaded tube, the two first trapezoidal slide rails are fixedly connected to the upper surface of the mounting plate, the first connecting rod is slidably connected to the surfaces of the two first trapezoidal slide rails, the two second through grooves are both opened on the surface of the mounting plate, the two third electric push rods are fixedly connected to the lower surface of the first connecting rod, the lower ends of the two third electric push rods respectively pass through the two second through grooves, and the second connecting rod is fixedly connected to the lower ends of the two third electric push rods.

[0013] Furthermore, the shell is fixedly connected to the upper surface of the second connecting rod, the second trapezoidal slide rail is fixedly connected to the bottom of the inner wall of the shell, the second slider is slidably connected to the surface of the second trapezoidal slide rail, the whetstone is fixedly connected to the upper surface of the second slider, the two springs are fixedly connected to the side of the inner wall of the shell, and the other ends of the two springs are fixedly connected to the side of the whetstone. There are two groups of whetstones, which are symmetrically cross-arranged on the inner wall of the shell.

[0014] (3) Beneficial effects

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. The pork slicing device is provided with a grinding component to grind the cross-cutting knife and the vertical cutting knife under the action of two grindstones. By providing a first moving component and a second moving component, it is convenient to drive multiple grinding components to move on the surface of the cross-cutting knife and the vertical cutting knife, so that the cutting knife can be grinded without disassembling the cutting knife.

[0017] 2. The pork slicing device is provided with a sliding assembly so that the first electric push rod drives the mounting plate to slide on the surfaces of two sliding rods, thereby driving the mounting plate and the slicing assembly to slice the pork. The transmission assembly is provided so that the two rotating rollers rotate, and the pork is transmitted and sliced ​​under the action of the conveyor belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a side view of the structure of the utility model;

[0021] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0023] The symbols in the accompanying drawings are:

[0024] 1. Mounting frame;

[0025] 2. Transmission assembly; 201. First rotating shaft; 202. Rotating roller; 203. Conveyor belt; 204. First motor;

[0026] 3. Sliding assembly; 301. First support plate; 302. Sliding rod; 303. Mounting plate; 304. First electric push rod;

[0027] 4. Cutting block assembly; 401. Connecting block; 402. Vertical cutting knife; 403. Horizontal cutting knife;

[0028] 5. First moving assembly; 501. Mounting shell; 502. Second rotating shaft; 503. First threaded column; 504. Threaded cap; 505. First sliding block; 506. First through slot; 507. Second motor; 508. Second electric push rod; 509. First fixing plate;

[0029] 6. Second moving assembly; 601. Second supporting plate; 602. Third rotating shaft; 603. Second threaded column; 604. Third motor; 605. Threaded tube; 606. First connecting rod; 607. First trapezoidal slide rail; 608. Second through slot; 609. Third electric push rod; 610. Second connecting rod;

[0030] 7. Grinding assembly; 701. Housing; 702. Second trapezoidal slide rail; 703. Second slider; 704. Whetstone; 705. Spring;

[0031] 8. Discharge plate. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0033] Example:

[0034] The following is combined with Figure 1-4 The utility model is described in further detail.

[0035] See also Figure 1-4 The utility model provides a technical solution: a pork slicing device, comprising a mounting frame 1, a transmission component 2 is fixedly connected to the surface of the mounting frame 1, the transmission component 2 includes a first rotating shaft 201 and a rotating roller 202, a sliding component 3 is fixedly connected to the surface of the mounting frame 1, the sliding component 3 includes a first supporting plate 301, two sliding rods 302, a mounting plate 303 and a first electric push rod 304, a slicing component 4 is fixedly connected to the lower surface of the mounting plate 303, the slicing component 4 includes a connecting block 401, two vertical cutting knives 402 and a plurality of cross-cutting knives 403, a first moving component 5 is fixedly connected to the upper surface of the mounting plate 303, the first moving component 5 includes a mounting shell 501, a second rotating shaft 502, a first threaded column 503, a threaded cap 504, a first slider 505, a first through slot 506, a second motor 507, a second electric push rod 508 and a first fixed plate 509, a second moving component 6 is arranged on the upper surface of the mounting plate 303, and the second moving component 6 includes a second supporting plate 601, a third rotating shaft 602, a second threaded column 603, a third motor 604, a threaded tube 605, a first connecting rod 606, two first trapezoidal slide rails 607, two second through grooves 608, two third electric push rods 609 and a second connecting rod 610. A plurality of grinding assemblies 7 are fixedly connected to the upper surface of the first fixed plate 509 and the upper surface of the second connecting rod 610. The grinding assembly 7 includes a shell 701, a second trapezoidal slide rail 702, a second slider 703, a grindstone 704 and two springs 705. A discharge plate 8 is fixedly connected to the side of the mounting frame 1. By setting the grinding assembly 7, the cross-cutting knife 403 and the vertical cutting knife 402 are grinded under the action of the two grindstones 704. By setting the first moving assembly 5 and the second moving assembly 6, it is convenient to drive the plurality of grinding assemblies 7 to move on the surface of the cross-cutting knife 403 and the vertical cutting knife 402, so as to facilitate grinding the cutter without disassembling the cutter.

[0036] Specifically, the first rotating shaft 201 is rotatably connected to the surface of the mounting frame 1 through a bearing, and the rotating roller 202 is penetrated through the surface of the first rotating shaft 201. There are two groups of rotating rollers 202, and they are symmetrically arranged on the surface of the mounting frame 1. The surfaces of the two rotating rollers 202 are rollingly connected with the conveyor belt 203. The surface of the mounting frame 1 is fixedly connected with the first motor 204, and one end of the output shaft of the first motor 204 is fixedly connected to one end of one of the first rotating shafts 201.

[0037] By adopting the above technical solution, the first motor 204 works, so that the two first rotating shafts 201 and the two rotating rollers 202 rotate, and the pork is transported and cut into pieces under the action of the conveyor belt 203.

[0038] Specifically, the first support plate 301 is fixedly connected to the surface of the mounting frame 1, the two sliding rods 302 and the first electric push rod 304 are all fixedly connected to the upper surface of the first support plate 301, there are two groups of first electric push rods 304, and they are symmetrically arranged on the surface of the mounting frame 1, the mounting plate 303 is slidably connected to the surfaces of multiple sliding rods 302, and the mounting plate 303 is fixedly connected to the upper ends of the two first electric push rods 304.

[0039] By adopting the above technical solution, the first electric push rod 304 works, thereby driving the mounting plate 303 to slide on the surfaces of the two slide rods 302, thereby driving the mounting plate 303 and the cutting assembly 4 to move up and down to cut the pork into pieces.

[0040] Specifically, the connection block 401 is fixedly connected to the lower surface of the mounting plate 303 , and the two vertical cutting knives 402 and the plurality of cross cutting knives 403 are all fixedly connected to the lower surface of the connection block 401 .

[0041] By adopting the above technical solution, the pork can be cut into strips by setting the vertical cutting knife 402, and the pork can be cut into blocks by setting a plurality of horizontal cutting knives 403.

[0042] Specifically, the mounting shell 501 is fixedly connected to the upper surface of the mounting plate 303, the second rotating shaft 502 is rotatably connected to the inner wall of the mounting shell 501 through a bearing, the first threaded column 503 is penetrated by the surface of the second rotating shaft 502, the threaded cap 504 is threadedly connected to the surface of the first threaded column 503, the first slider 505 is fixedly connected to the side of the threaded cap 504, the first through groove 506 is opened on the side of the mounting shell 501, the first slider 505 is slidably connected to the surface of the first through groove 506, the second motor 507 is fixedly connected to the upper surface of the mounting plate 303, one end of the output shaft of the second motor 507 is fixedly connected to one end of the second rotating shaft 502, the second electric push rod 508 is fixedly connected to the lower surface of the first slider 505, and the first fixed plate 509 is fixedly connected to the lower end of the second electric push rod 508.

[0043] By adopting the above technical solution, the second motor 507 works, thereby driving the second rotating shaft 502 and the first threaded column 503 to rotate, so that the threaded cap 504 drives the first slider 505 to slide in the first through groove 506, so that the first fixed plate 509 drives the grinding assembly 7 to grind the vertical cutting knife 402, and by providing the second electric push rod 508, it is convenient to adjust the height of the grinding assembly 7, and the first fixed plate 509 and the grinding assembly 7 are retracted to avoid affecting the cutting.

[0044] Specifically, the second support plate 601 is fixedly connected to the upper surface of the mounting plate 303, the third rotating shaft 602 is rotatably connected to the surface of the second support plate 601 through a bearing, the second threaded column 603 is fixedly connected to the other end of the third rotating shaft 602, the third motor 604 is fixedly connected to the upper surface of the mounting plate 303, one end of the output shaft of the third motor 604 is fixedly connected to one end of the third rotating shaft 602, the threaded tube 605 is threadedly connected to the surface of the second threaded column 603, the first connecting rod 606 is penetrated through the surface of the threaded tube 605, the two first trapezoidal slide rails 607 are fixedly connected to the upper surface of the mounting plate 303, the first connecting rod 606 is slidably connected to the surfaces of the two first trapezoidal slide rails 607, the two second through grooves 608 are both opened on the surface of the mounting plate 303, the two third electric push rods 609 are fixedly connected to the lower surface of the first connecting rod 606, the lower ends of the two third electric push rods 609 respectively pass through the two second through grooves 608, and the second connecting rod 610 is fixedly connected to the lower ends of the two third electric push rods 609.

[0045] By adopting the above technical solution, the third motor 604 is set to work, thereby driving the third rotating shaft 602 and the second threaded column 603 to rotate, and with the cooperation of the threaded tube 605, the first connecting rod 606 is driven to slide on the surfaces of the two first trapezoidal slide rails 607, thereby driving the second connecting rod 610 and multiple grinding assemblies 7 to grind the cross-cutting knife 403. By setting the third electric push rod 609, it is convenient to adjust the height of the second connecting rod 610 and the grinding assembly 7 to avoid affecting the cutting of pork.

[0046] Specifically, the shell 701 is fixedly connected to the upper surface of the second connecting rod 610, the second trapezoidal slide rail 702 is fixedly connected to the bottom of the inner wall of the shell 701, the second slider 703 is slidably connected to the surface of the second trapezoidal slide rail 702, the whetstone 704 is fixedly connected to the upper surface of the second slider 703, and the two springs 705 are fixedly connected to the side of the inner wall of the shell 701. The other ends of the two springs 705 are fixedly connected to the side of the whetstone 704. There are two groups of whetstones 704, which are symmetrically cross-arranged on the inner wall of the shell 701.

[0047] By adopting the above technical solution, by setting the whetstone 704, it is convenient to grind the cross-cutting knife 403 and the vertical cutting knife 402. By setting the spring 705, the whetstone 704 and the second slider 703 are pushed to slide on the surface of the second trapezoidal slide rail 702, thereby driving the whetstone 704 to be close to the surface of the cross-cutting knife 403 and the vertical cutting knife 402 for easy grinding.

[0048] The working principle of the utility model is as follows: when in use, the second electric push rod 508 is operated, and the two grinding assemblies 7 are driven to move to the blade height of the vertical cutting knife 402 through the first fixed plate 509, and the second motor 507 is operated to drive the second rotating shaft 502 and the first threaded column 503 to rotate, so that the threaded cap 504 drives the first slider 505 to slide in the first through groove 506, and drives the first fixed plate 509 and the grinding assembly 7 to grind the vertical cutting knife 402, and under the action of the grindstone 704, the vertical cutting knife 402 is grinded, and under the action of the spring 705, the grindstone 704 and the second slider 703 are pushed to slide on the surface of the second trapezoidal slide rail 702, and the grindstone 704 is driven to be close to the surface of the vertical cutting knife 402 for grinding, and at the same time, the third electric push rod 609 is operated to drive the second connecting rod 61 0 and grinding assembly 7 move to the blade height of the cross-cutting knife 403, so that the third motor 604 works, drives the third rotating shaft 602 and the second threaded column 603 to rotate, and with the cooperation of the threaded tube 605, drives the first connecting rod 606 to slide on the surface of the two first trapezoidal slide rails 607, drives the second connecting rod 610 and multiple grinding assemblies 7 to grind the cross-cutting knife 403. After grinding, the first motor 204 works, drives the two first rotating shafts 201 and the two rotating rollers 202 to rotate, and under the action of the conveyor belt 203, the pork is transmitted. At the same time, through the first electric push rod 304, the mounting plate 303 is driven to slide on the surface of the two slide rods 302, drives the mounting plate 303 and the cutting assembly 4 to move up and down, and with the cooperation of the cross-cutting knife 403 and the vertical cutting knife 402, the pork is cut into pieces.

[0049] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A pork slicing device, comprising a mounting frame (1), characterized in that: The surface of the mounting frame (1) is fixedly connected with a transmission assembly (2), the transmission assembly (2) comprising a first rotating shaft (201) and a rotating roller (202); the surface of the mounting frame (1) is fixedly connected with a sliding assembly (3), the sliding assembly (3) comprising a first supporting plate (301), two sliding rods (302), a mounting plate (303) and a first electric push rod (304); the lower surface of the mounting plate (303) is fixedly connected with a cutting assembly (4), the cutting assembly (4) comprising a connecting block (401), two vertical cutting knives (402) and a plurality of horizontal cutting knives (403); the upper surface of the mounting plate (303) is fixedly connected with a first moving assembly (5), the first moving assembly (5) comprising a mounting shell (501), a second rotating shaft (502), a first threaded column (503), a threaded cap (504), a first sliding block (505), a first through slot (506), a second motor (507), and a plurality of vertical cutting knives (408). 7), a second electric push rod (508) and a first fixed plate (509), a second moving assembly (6) is arranged on the upper surface of the mounting plate (303), the second moving assembly (6) comprises a second supporting plate (601), a third rotating shaft (602), a second threaded column (603), a third motor (604), a threaded tube (605), a first connecting rod (606), two first trapezoidal slide rails (607), two second through grooves (608), two third electric push rods (609) and a second connecting rod (610), a plurality of grinding assemblies (7) are fixedly connected to the upper surface of the first fixed plate (509) and the upper surface of the second connecting rod (610), the grinding assembly (7) comprises a shell (701), a second trapezoidal slide rail (702), a second slider (703), a grindstone (704) and two springs (705), and a discharge plate (8) is fixedly connected to the side of the mounting frame (1).

2. The pork cutting device according to claim 1, characterized in that: The first rotating shaft (201) is rotatably connected to the surface of the mounting frame (1) via a bearing, the rotating roller (202) is inserted into the surface of the first rotating shaft (201), there are two groups of rotating rollers (202), and they are symmetrically arranged on the surface of the mounting frame (1), the surfaces of the two rotating rollers (202) are rollingly connected with a conveyor belt (203), the surface of the mounting frame (1) is fixedly connected with a first motor (204), and one end of the output shaft of the first motor (204) is fixedly connected to one end of one of the first rotating shafts (201).

3. The pork cutting device according to claim 1, characterized in that: The first support plate (301) is fixedly connected to the surface of the mounting frame (1); the two sliding rods (302) and the first electric push rod (304) are fixedly connected to the upper surface of the first support plate (301); there are two groups of the first electric push rods (304) which are symmetrically arranged on the surface of the mounting frame (1); the mounting plate (303) is slidably connected to the surfaces of the plurality of sliding rods (302); and the mounting plate (303) is fixedly connected to the upper ends of the two first electric push rods (304).

4. The pork cutting device according to claim 1, characterized in that: The connecting block (401) is fixedly connected to the lower surface of the mounting plate (303), and the two vertical cutting knives (402) and the plurality of cross-cutting knives (403) are all fixedly connected to the lower surface of the connecting block (401).

5. The pork cutting device according to claim 1, characterized in that: The mounting shell (501) is fixedly connected to the upper surface of the mounting plate (303); the second rotating shaft (502) is rotatably connected to the inner wall of the mounting shell (501) through a bearing; the first threaded column (503) is penetrated through the surface of the second rotating shaft (502); the threaded cap (504) is threadedly connected to the surface of the first threaded column (503); the first slider (505) is fixedly connected to the side of the threaded cap (504); the first through groove (506) is opened on the side of the mounting shell (501); the first slider (505) is slidably connected to the surface of the first through groove (506); the second motor (507) is fixedly connected to the upper surface of the mounting plate (303); one end of the output shaft of the second motor (507) is fixedly connected to one end of the second rotating shaft (502); the second electric push rod (508) is fixedly connected to the lower surface of the first slider (505); and the first fixing plate (509) is fixedly connected to the lower end of the second electric push rod (508).

6. The pork cutting device according to claim 1, characterized in that: The second support plate (601) is fixedly connected to the upper surface of the mounting plate (303); the third rotating shaft (602) is rotatably connected to the surface of the second support plate (601) via a bearing; the second threaded column (603) is fixedly connected to the other end of the third rotating shaft (602); the third motor (604) is fixedly connected to the upper surface of the mounting plate (303); one end of the output shaft of the third motor (604) is fixedly connected to one end of the third rotating shaft (602); the threaded tube (605) is threadedly connected to the surface of the second threaded column (603); the first connecting rod (606) is inserted into the threaded tube (606); 05) surface, the two first trapezoidal slide rails (607) are fixedly connected to the upper surface of the mounting plate (303), the first connecting rod (606) is slidably connected to the surfaces of the two first trapezoidal slide rails (607), the two second through grooves (608) are opened on the surface of the mounting plate (303), the two third electric push rods (609) are fixedly connected to the lower surface of the first connecting rod (606), the lower ends of the two third electric push rods (609) pass through the two second through grooves (608) respectively, and the second connecting rods (610) are fixedly connected to the lower ends of the two third electric push rods (609).

7. The pork cutting device according to claim 1, characterized in that: The shell (701) is fixedly connected to the upper surface of the second connecting rod (610), the second trapezoidal slide rail (702) is fixedly connected to the bottom of the inner wall of the shell (701), the second slider (703) is slidably connected to the surface of the second trapezoidal slide rail (702), the whetstone (704) is fixedly connected to the upper surface of the second slider (703), the two springs (705) are fixedly connected to the side of the inner wall of the shell (701), the other ends of the two springs (705) are fixedly connected to the side of the whetstone (704), and there are two groups of whetstones (704), which are symmetrically cross-arranged on the inner wall of the shell (701).

Images