CN201733825U - Nut shell soft breaker - Google Patents

Abstract

The utility model relates to a cracking device for nut food, which is a flexible cracking device for nut shells, which includes a frame, a shell of a cracker, a top plate, a power device, an internal grinding shaft, an external grinder for cracking shells and an internal cracking machine for cracking shells. Grinding; the inside of the casing of the shell breaker is fixedly equipped with a shell-breaking outer mill whose inner cavity is in the shape of a large upper and a lower cone-shaped frustum. Internal grinding, the outer surface of the broken shell internal grinding and the inner wall of the broken shell outer grinding form a grinding chamber in the shape of a large upper cone and a lower small cone. The power device connected to the upper end of the inner grinding shaft is installed on the frame and can pass The inner grinding shaft drives the broken shell inner grinding to rotate. The utility model has a reasonable and compact structure and is easy to use. It drives the shell-breaking inner mill to rotate inside the shell-breaking outer mill through a power device, rubs the nuts to break the shells, and is suitable for processing various nuts, high production efficiency, and fruit. It has the characteristics of low kernel broken rate and unpeeled net rate, good reliability and easy operation.

Description

Nut shell flexible crushing device

technical field

The utility model relates to a shell breaking device for nut food, which is a flexible breaking device for nut shells.

Background technique

At present, the nut shell crushing devices for the forestry and fruit industry researched and manufactured in China all adopt rigid mechanical wheel mechanism in structural form. Through the rotation of a group of rigid rollers with different directions, the upper auxiliary wheel-type pressure-feeding wheel will be located in the gap between the rollers. The upper nut is extruded rigidly, so that the nut shell is broken by the mechanical external force, and the pressure feeding wheel exerts a downward force at the same time to prevent the nut from jumping up and promote the shell residue and nuts to the rear of the device. pass. The disadvantages are: low productivity, high failure rate, difficult adjustment of the crushing mechanism, high broken rate of nuts, and high rate of unpeeled nuts.

Contents of the invention

The utility model provides a nut shell flexible crushing device, which solves the problems of low productivity, high nut crushing rate and high unpeeled nut shell rate of the existing nut shell breaking device.

The technical scheme of the utility model is realized through the following measures: a flexible crushing device for nut shells, including a frame, a shell breaker shell, a top plate, a power unit, an internal grinding shaft, an external grinding machine for breaking shells, and an internal grinding machine for breaking shells. Grinding; the shell of the shell breaker is fixed on the frame, the upper end of the shell breaker shell is equipped with a top plate with a feeding port, the lower part of the shell breaker shell has a discharge port, and the inside of the shell breaker shell is fixed and installed There is a shell-breaking external mill with a large upper and a lower cone-shaped inner cavity. There is a vertical inner grinding shaft in the middle of the inner cavity of the broken shell outer mill. There is a shaft through hole in the middle of the top plate. The upper end of the inner grinding shaft extends through the shaft through hole To the top of the top plate, the middle part of the internal grinding shaft is fixed with a broken shell internal grinder, and the lower part of the internal grinder shaft is installed on the frame through the shaft bearing; the broken shell internal grinder is located in the inner cavity of the broken shell outer grinder and can rotate freely. Between the outer surface of the inner mill and the inner wall of the shell-breaking outer mill forms a grinding chamber in the shape of a large cone and a small cone. The upper end of the grinding chamber is connected with the outlet of the feeding port, and the lower end of the grinding chamber is connected with the inlet of the discharging port Connected to each other, the power unit connected with the upper end of the inner mill rotating shaft is installed on the frame and can drive the shell-breaking inner mill to rotate through the inner mill rotating shaft.

Below is the further optimization or/and improvement to above-mentioned utility model technical scheme:

Above-mentioned power unit can comprise electric motor, driving pulley, transmission belt, driven pulley, internal grinding speed changer and coupling sleeve; Motor and internal grinding speed changer are respectively fixedly installed on the frame, and internal grinding speed changer comprises speed changer housing, horizontal input shaft, The vertical output shaft, the variable speed worm gear and the variable speed worm; the horizontal input shaft is installed inside the transmission case through the bearings at both ends, the middle part of the horizontal input shaft is fixedly installed with the variable speed worm gear, and the front end of the horizontal input shaft protrudes from the outside of the transmission case and is fixedly installed with a The driving pulley, the driving pulley is installed on the power output shaft of the motor, the driven pulley is connected with the driving pulley through the transmission belt and can rotate accordingly; the vertical output shaft is installed inside the transmission case through the bearings at both ends, and the vertical The middle part of the straight output shaft is fixedly equipped with a variable speed worm and meshes with the variable speed worm gear. The lower end of the vertical output shaft extends out of the transmission case and is fixedly installed with a coupling sleeve. The inner grinding shaft is connected to the vertical output shaft through the coupling sleeve. together and can rotate with it.

The lower part of the shell breaker shell may have a gap adjustment device, the gap adjustment device includes a gap adjustment handwheel, a gap adjustment rod, an adjustment box, a horizontal adjustment shaft, a universal shaft coupling, a gap adjustment worm, a ball screw nut, a gap adjustment Adjust the worm gear and the gap adjustment screw; the bearing of the rotating shaft is a sliding bearing, and there are internal splines inside the connecting sleeve, and the upper part of the internal grinding shaft has external splines matching the internal splines, and the internal grinding shaft is set on the The inside of the coupling shaft sleeve can move up and down; the gap adjustment handwheel is installed on the frame, and the inner end of the wheel shaft of the gap adjustment handwheel and the upper end of the gap adjustment rod are connected together through the coupling and can drive the gap adjustment rod to rotate; the adjustment box The body is fixedly installed on the frame at the lower part of the cracker shell, and the horizontal adjustment shaft is installed in the adjustment box through bearings. The lower end of the horizontal adjustment shaft is connected to the lower end of the horizontal adjustment shaft, and the gap adjustment worm is fixedly installed at the rear of the horizontal adjustment shaft. The ball screw nut is installed inside the adjustment box. The lower part of the ball screw nut is installed on the bottom plate of the adjustment box and can rotate freely. The outer side of the upper part of the nut is fixedly installed with a gap adjusting worm gear meshed with the gap adjusting worm, and a vertical gap adjusting screw is installed inside the ball screw nut, and the upper end of the gap adjusting screw is fixedly installed with the lower end of the inner grinding shaft And can drive the inner grinding shaft to move up and down.

The above-mentioned shell breaking external mill can be fixedly installed in the shell breaking device housing through a locking device. The locking device can include a hinge seat, a U-shaped handle, a handle hinge shaft, a stopper installation shaft, a spring stopper, a lock hook, a compression spring and Limit nut; the hinge seat is fixed on the outer side of the upper part of the shell breaker, the upper end of the U-shaped handle is hinged on the hinge seat through the handle hinge shaft, and a stopper installation shaft is installed between the two side plates on the upper part of the U-shaped handle. A rotatable spring stopper is installed on the stopper installation shaft, and there is a lock hook hole inside the spring stopper; the upper end of the lock hook is a hook that can be pressed down to break the outer grinding of the shell, and the middle part of the lock hook is set in the lock hook hole And it can move up and down. The middle and lower parts of the lock hook are straight rods and are equipped with compression springs. The lower end of the lock hook is threaded and fixedly installed with a limit nut; The lower end of it is tightly pressed against the upper end surface of the limit nut.

The shell breaking internal mill mentioned above may include an inner grinding core table, an inner grinding sleeve and a flexible grinding sleeve. The bottom is fixedly installed on the bottom of the inner grinding core platform by fixing screws, and the retractable flexible grinding sleeve is set outside the inner grinding sleeve and can be removed.

The outer surface of the above-mentioned inner grinding sleeve and the flexible grinding sleeve and the inner wall of the shell breaking outer grinding can have bosses or pattern-like protrusions that can increase friction.

The utility model has a reasonable and compact structure and is easy to use. It drives the shell-breaking inner mill to rotate inside the shell-breaking outer mill through a power device, rubs the nuts to break the shells, and is suitable for processing various nuts, high production efficiency, and fruit. It has the characteristics of low kernel broken rate and unpeeled net rate, good reliability and easy operation.

Description of drawings

Accompanying drawing 1 is the schematic diagram of the front view of the preferred embodiment of the utility model.

Accompanying drawing 2 is a schematic cross-sectional structure diagram at A-A in accompanying drawing 1 when the inner grinding sleeve is fitted with a flexible grinding sleeve.

Accompanying drawing 3 is a schematic cross-sectional structure diagram at A-A in accompanying drawing 1 when the inner grinding sleeve does not have a flexible grinding sleeve.

Accompanying drawing 4 is the partial enlarged structural diagram of the place B in accompanying drawing 1.

The codes in the accompanying drawings are: 1 is the frame, 2 is the casing of the cracker, 3 is the top plate, 4 is the inner grinding shaft, 5 is the outer grinding for breaking the shell, 6 is the feeding port, 7 is the through hole of the rotating shaft, 8 is the rotating shaft bearing, 9 is the grinding chamber, 10 is the motor, 11 is the driving pulley, 12 is the transmission belt, 13 is the driven pulley, 14 is the coupling sleeve, 15 is the transmission case, 16 is the horizontal input shaft, 17 is Vertical output shaft, 18 is the variable speed worm gear, 19 is the variable speed worm, 20 is the external spline, 21 is the gap adjustment rod, 22 is the adjustment box, 23 is the horizontal adjustment shaft, 24 is the universal coupling, 25 is the gap Adjusting worm, 26 is ball screw nut, 27 is gap adjusting worm wheel, 28 is gap adjusting screw, 29 is hinge seat, 30 is U-shaped handle, 31 is handle hinge shaft, 32 is block installation shaft, 33 is spring Block, 34 is a lock hook, 35 is a compression spring, 36 is a limit nut, 37 is a grab hook, 38 is an inner grinding core platform, 39 is an inner grinding sleeve, and 40 is a flexible grinding sleeve.

Detailed ways

The utility model is not limited by the following examples, and the specific implementation manner can be determined according to the technical scheme of the utility model and actual conditions.

Below in conjunction with preferred embodiment and accompanying drawing, the utility model is further described:

As shown in accompanying drawings 1, 2, and 3, the nut shell flexible crushing device includes a frame 1, a cracker shell 2, a top plate 3, a power unit, an inner grinding shaft 4, an outer grinding mill 5 for cracking shells, and an inner grinding mill for cracking shells. Grinding; the cracker shell 2 is fixed on the frame 1, the upper end of the cracker shell 2 is equipped with a top plate 3 with a feeding port 6, and the bottom of the cracker shell 2 has a discharge port. The inside of the shell 2 is fixedly installed with a broken shell outer mill 5 whose inner cavity is in the shape of a large upper cone and a lower small cone. The middle part of the inner cavity of the broken shell outer mill 5 has an upright inner grinding shaft 4, and the middle part of the top plate 3 has a through hole for the shaft. 7. The upper end of the inner grinding shaft 4 extends to the top of the top plate 3 through the shaft through hole 7, the middle part of the inner grinding shaft 4 is fixedly installed with a broken shell inner mill, and the lower part of the inner grinding shaft 4 is installed on the frame 1 through the shaft bearing 8; The inner shell mill is located in the inner cavity of the broken shell outer mill 5 and can rotate freely. The outer surface of the broken shell inner mill and the inner wall of the broken shell outer mill 5 form a grinding chamber 9 in the shape of an upper cone and a lower cone. The upper end of the chamber 9 is connected with the outlet of the feeding port 6, the lower end of the grinding chamber 9 is connected with the inlet of the discharge port, and the power device connected with the upper end of the internal grinding shaft 4 is installed on the frame 1 and can pass through the internal grinding machine. Rotating shaft 4 drives the shell breaking internal mill to rotate. The power device drives the shell breaking inner mill to rotate around the inner grinding shaft 4, the outer surface of the shell breaking inner mill and the inner wall of the fixed shell breaking outer mill 5 produce relative motion to rub the nuts in the grinding chamber 9, and at the same time break the shell inside The grinder exerts downward pressure on the nuts in the grinding chamber 9 due to its own weight, and because the shells of the nuts are broken and shelled through softer kneading and rolling, it has the advantages of high productivity, low broken rate of nuts, and easy peeling. The characteristics of high net rate.

According to actual needs, the above nut shell flexible crushing device can be further optimized or/and improved:

As shown in accompanying drawing 1,2,3, power unit comprises electric motor 10, driving pulley 11, transmission belt 12, driven pulley 13, internal grinding speed changer and connecting shaft sleeve 14; Motor 10 and internal grinding speed changer are respectively fixedly mounted on On the frame 1, the internal grinding transmission includes a transmission housing 15, a horizontal input shaft 16, a vertical output shaft 17, a speed change worm gear 18 and a speed change worm 19; the horizontal input shaft 16 is installed inside the transmission case 15 through bearings at both ends, and the horizontal input shaft The middle part of 16 is fixedly installed with variable speed worm gear 18, and the front end of horizontal input shaft 16 stretches out transmission case 15 outside and is fixedly installed with driven pulley 13, and driving pulley 11 is installed on the power output shaft of electric motor 10, driven pulley 13 is connected together with driving pulley 11 by transmission belt 12 and can rotate thereupon; Vertical output shaft 17 is installed in the inside of transmission case 15 by the bearing of two ends, and the middle part of vertical output shaft 17 is fixedly installed with variable speed worm 19 and with variable speed The worm gear 18 is meshed, the lower end of the vertical output shaft 17 protrudes from the outside of the transmission housing 15 and is fixedly installed with a shaft sleeve 14, and the inner grinding shaft 4 is connected with the vertical output shaft 17 through the shaft sleeve 14 and can rotate accordingly .

As shown in Figures 2 and 3, there is a clearance adjustment device at the bottom of the cracker shell 2, and the clearance adjustment device includes a clearance adjustment hand wheel, a clearance adjustment rod 21, an adjustment box 22, a horizontal adjustment shaft 23, and a universal shaft coupling 24. Gap adjustment worm 25, ball screw nut 26, gap adjustment worm wheel 27 and gap adjustment screw 28; the rotating shaft bearing 8 is a sliding bearing, the inside of the shaft sleeve 14 has internal splines, and the top of the internal grinding shaft 4 has a The outer spline 20 matched with the inner spline, the inner grinding shaft 4 is set inside the coupling shaft sleeve 14 through the outer spline 20 and can move up and down; the gap adjustment handwheel is installed on the frame 1, and the gap adjustment handwheel is inside the wheel shaft. end and the upper end of the gap adjusting rod 21 are connected together through a coupling and can drive the gap adjusting rod 21 to rotate; the adjusting box 21 is fixedly installed on the frame 1 at the bottom of the cracker shell 2, and the horizontal adjusting shaft 22 passes through the bearing Installed in the adjustment box 21, the front end of the horizontal adjustment shaft 22 protrudes from the outside of the front plate of the adjustment box 21 and is connected with the lower end of the gap adjustment rod 21 through the universal coupling 24, and the rear part of the horizontal adjustment shaft 23 is fixedly installed There is a clearance adjusting worm 25, and a ball screw nut 26 is installed inside the adjustment box 22, the bottom of the ball screw nut 26 is installed on the bottom plate of the adjustment box 22 and can rotate freely, and the upper outside of the ball screw nut 26 is fixedly installed with The gap adjusting worm gear 27 meshed with the gap adjusting worm 25, the inside of the ball screw nut 26 is equipped with a vertical gap adjusting screw 28, the upper end of the gap adjusting screw 28 is fixedly installed together with the lower end of the inner grinding shaft 4 and Can drive inner grinding rotating shaft 4 to move up and down. For nuts of the same type but with different sizes, or according to the size of the nuts, the broken rate of the nuts, and the rate of unpeeled nets, the gap adjustment lever 21 can be driven to rotate by rotating the gap adjustment handwheel, and the gap can be adjusted by the horizontal adjustment shaft 23 and the gap adjustment in turn. The worm 25 and the gap adjusting worm wheel 27 drive the ball screw nut 26 to rotate, so that the gap adjusting screw 28 rises or falls together with the internal grinding shaft 4, and finally drives the broken shell internal grinding to rise or fall to adjust the size of the grinding chamber 9, so that Problems such as excessive broken kernels and unsatisfactory cracking effect after nut shelling have been significantly improved.

As shown in the accompanying drawing 4, the shell breaking external mill 5 is fixedly installed in the shell breaking device housing 2 through a locking device, and the locking device includes a hinge seat 29, a U-shaped handle 30, a handle hinge shaft 31, and a stopper installation shaft 32 , spring stopper 33, lock hook 34, compression spring 35 and limit nut 36; Hinge seat 29 is fixed on the upper outside of cracker shell 2, and the upper end of U-shaped handle 30 is hinged on hinge seat 29 by handle hinge shaft 31 On, between the two side plates of the U-shaped handle 30 top, a block mounting shaft 32 is installed, and a spring block 33 capable of rotation is installed on the block mounting shaft 32, and a lock hook hole is arranged inside the spring block 33; The upper end of the hook 34 is a grab hook 37 that can press down on the outer mill 5 of the broken shell. The middle part of the locking hook 34 is set in the locking hook hole and can move up and down. The middle and lower parts of the locking hook 34 are straight rods and are covered with a compression spring 35 , the lower end of the lock hook 34 is threaded and is fixedly installed with a limit nut 36; After the locking device is released, nuts of different types and sizes can be processed by changing the shell-breaking inner grinder and the shell-breaking outer grinder 5 of different sizes and materials.

As shown in accompanying drawing 2, the internal grinding mill for shell breaking includes an inner grinding core table 38, an inner grinding sleeve 39 and a flexible grinding sleeve 40, the inner grinding core table 38 is fixedly installed on the inner grinding shaft 4, and the inner grinding core table 38 is externally set Internal grinding sleeve 39 is arranged, and the bottom of internal grinding sleeve 39 is fixedly installed on the bottom of internal grinding core platform 38 by set screw, and shrinkable flexible grinding sleeve 40 is sleeved on the outside of internal grinding sleeve 39 and can be removed. The inner grinding sleeve 39 can be surrounded by ordinary checkered steel plates, and the checkered surface faces the grinding chamber 9 . The flexible grinding sleeve 40 can be made of materials with strong stretchability such as asbestos, and is fixedly connected with the inner grinding sleeve 39 by tension. When it is necessary to process small nuts, a flexible grinding sleeve 40 is put on the outside of the inner grinding sleeve 39; when it is necessary to process large nuts, the flexible grinding sleeve 40 can be removed. In addition, by selecting flexible grinding sleeves 40 of different materials to fit outside the inner grinding sleeve 39 , different types of nuts can be processed, thereby achieving multiple functions in one machine.

As shown in accompanying drawings 2 and 3, there are bosses or pattern-like projections that can increase friction on the outer surfaces of the inner grinding sleeve 39 and the flexible grinding sleeve 40 and the inner wall of the shell breaking outer grinding 5 . The outer grinding 5 of the broken shell can be formed by surrounding patterned steel plates, and the patterned surface faces the grinding chamber 9. The bosses or pattern-like protrusions can improve the rubbing force on the nut shells.

The above technical features constitute the best embodiment of the utility model, which has strong adaptability and best implementation effect, and non-essential technical features can be increased or decreased according to actual needs to meet the needs of different situations.

Claims (10)

1. A nut shell flexible crushing device is characterized in that it comprises a frame, a cracker shell, a top plate, a power unit, an internal grinding shaft, an outer grinder for cracking shells and an inner grinder for cracking shells; the shell cracker shell is fixed on On the frame, the upper end of the cracker shell is equipped with a top plate with a feeding port, the lower part of the shell cracker shell has a discharge port, and the inside of the shell cracker shell is fixed with an inner cavity with a large upper and a lower cone. Table-shaped shell-breaking outer mill, the inner cavity of the broken-shell outer mill has a vertical inner grinding shaft, the middle of the top plate has a shaft through hole, the upper end of the inner grinding shaft extends to the top of the top plate through the shaft through hole, and the middle of the inner grinding shaft is fixed The broken shell inner mill is installed, and the lower part of the inner mill shaft is installed on the frame through the shaft bearing; the broken shell inner mill is located in the inner cavity of the broken shell outer mill and can rotate freely. The inner wall of the mill forms a grinding chamber in the shape of a large upper cone and a smaller cone. The upper end of the grinding chamber communicates with the outlet of the feeding port, the lower end of the grinding chamber communicates with the inlet of the discharging port, and the upper end of the inner grinding shaft. The connected power unit is installed on the frame and can drive the broken shell internal grinding to rotate through the internal grinding shaft. 2. The nut shell flexible crushing device according to claim 1, characterized in that the power unit comprises a motor, a driving pulley, a transmission belt, a driven pulley, an internal grinding speed changer and a shaft sleeve; the motor and the internal grinding speed changer are respectively fixed Installed on the frame, the internal grinding transmission includes a transmission case, a horizontal input shaft, a vertical output shaft, a variable speed worm gear and a variable speed worm; the horizontal input shaft is installed inside the transmission case through the bearings at both ends, and the middle part of the horizontal input shaft is fixedly installed with a transmission Worm gear, the front end of the horizontal input shaft extends out of the transmission case and is fixedly installed with a driven pulley, the power output shaft of the motor is equipped with a driving pulley, and the driven pulley is connected with the driving pulley through a transmission belt and can follow Rotation; the vertical output shaft is installed inside the transmission case through the bearings at both ends. The shaft sleeve and the inner grinding shaft are connected together with the vertical output shaft through the shaft sleeve and can rotate thereupon. 3. According to claim 1 or 2, the nut shell flexible crushing device is characterized in that there is a gap adjustment device at the bottom of the cracker shell, and the gap adjustment device includes a gap adjustment handwheel, a gap adjustment rod, an adjustment box, a level Adjusting shaft, universal coupling, gap adjusting worm, ball screw nut, gap adjusting worm wheel and gap adjusting lead screw; the bearing of the rotating shaft is a sliding bearing, and the inside of the shaft sleeve has internal splines, and the upper part of the inner grinding shaft has a The inner spline is matched with the outer spline, and the inner grinding shaft is set inside the coupling sleeve through the outer spline and can move up and down; the gap adjustment handwheel is installed on the frame, and the inner end of the wheel shaft of the gap adjustment handwheel and the gap adjustment rod The upper ends are connected together by a coupling and can drive the gap adjustment rod to rotate; the adjustment box is fixedly installed on the frame at the lower part of the cracker shell, the horizontal adjustment shaft is installed in the adjustment box through bearings, and the front end of the horizontal adjustment shaft It protrudes from the outside of the front plate of the adjustment box and connects with the lower end of the gap adjustment rod through a universal coupling. The rear part of the horizontal adjustment shaft is fixed with a gap adjustment worm. The lower part of the lever nut is installed on the bottom plate of the adjustment box and can rotate freely. The outer side of the upper part of the ball screw nut is fixedly installed with a clearance adjustment worm gear meshed with the clearance adjustment worm. The inside of the ball screw nut is installed with a vertical clearance adjustment. Leading screw, the upper end of gap adjustment leading screw is fixedly installed with the lower end of inner grinding shaft and can drive inner grinding shaft to move up and down. 4. The flexible cracking device for nut shells according to claim 1 or 2, characterized in that the outer mill for cracking shells is fixedly installed in the shell of the cracker through a locking device, and the locking device includes a hinge seat, a U-shaped handle, a handle Hinge shaft, block installation shaft, spring stopper, lock hook, compression spring and limit nut; the hinge seat is fixed on the upper outer side of the cracker shell, and the upper end of the U-shaped handle is hinged on the hinge seat through the handle hinge shaft. A block mounting shaft is installed between the two side plates on the top of the U-shaped handle, and a spring block that can rotate is installed on the block mounting shaft. There is a lock hook hole inside the spring block; the upper end of the lock hook is capable of pressing down The hook is ground outside the shell, the middle part of the lock hook is set in the lock hook hole and can move up and down, the middle and lower parts of the lock hook are straight rods and are set with compression springs, the lower end of the lock hook is threaded and fixed with a limit nut ; The upper end of the compression spring is pressed against the lower end face of the spring stopper, and the lower end of the compression spring is pressed against the upper end face of the limit nut. 5. The flexible cracking device for nut shells according to claim 3, characterized in that the outer mill for cracking shells is fixedly installed in the shell of the cracker through a locking device, and the locking device includes a hinge seat, a U-shaped handle, and a handle hinge shaft , block installation shaft, spring block, lock hook, compression spring and limit nut; the hinge seat is fixed on the upper outer side of the cracker shell, and the upper end of the U-shaped handle is hinged on the hinge seat through the handle hinge shaft. A block mounting shaft is installed between the two side plates on the upper part of the handle, and a rotatable spring block is installed on the block mounting shaft. There is a lock hook hole inside the spring block; the upper end of the lock hook can be pressed down to break the shell. The hook is externally ground, the middle part of the lock hook is set in the lock hook hole and can move up and down, the middle and lower parts of the lock hook are straight rods and are set with compression springs, the lower end of the lock hook is threaded and fixed with a limit nut; compression The upper end of the spring is pressed against the lower end face of the spring stopper, and the lower end of the compression spring is pressed against the upper end face of the limit nut. 6. The flexible cracking device for nut shells according to claim 1 or 2, characterized in that the internal mill for shell breaking includes an inner grinding core platform, an inner grinding sleeve and a flexible grinding sleeve, and the inner grinding core platform is fixedly installed on the inner grinding shaft On the outside of the inner grinding core table, there is an inner grinding sleeve, and the bottom of the inner grinding sleeve is fixed and installed on the bottom of the inner grinding core table by fixing screws. It is fixedly connected with the inner grinding sleeve. 7. The nut shell flexible crushing device according to claim 3, characterized in that the internal mill for shell breaking includes an inner grinding core platform, an inner grinding sleeve and a flexible grinding sleeve, and the inner grinding core platform is fixedly installed on the inner grinding shaft. An inner grinding sleeve is set on the outside of the inner grinding core table, and the bottom of the inner grinding sleeve is fixedly installed on the bottom of the inner grinding core table by fixing screws, and the shrinkable flexible grinding sleeve is set on the outside of the inner grinding sleeve and can be removed. 8. The nut shell flexible crushing device according to claim 4, characterized in that the internal mill for cracking shells includes an inner grinding core platform, an inner grinding sleeve and a flexible grinding sleeve, and the inner grinding core platform is fixedly installed on the inner grinding shaft. An inner grinding sleeve is set on the outside of the inner grinding core table, and the bottom of the inner grinding sleeve is fixedly installed on the bottom of the inner grinding core table by fixing screws, and the shrinkable flexible grinding sleeve is set on the outside of the inner grinding sleeve and can be removed. 9. The nut shell flexible crushing device according to claim 5, characterized in that the internal mill for shell breaking includes an inner grinding core platform, an inner grinding sleeve and a flexible grinding sleeve, and the inner grinding core platform is fixedly installed on the inner grinding shaft, An inner grinding sleeve is set on the outside of the inner grinding core table, and the bottom of the inner grinding sleeve is fixedly installed on the bottom of the inner grinding core table by fixing screws, and the shrinkable flexible grinding sleeve is set on the outside of the inner grinding sleeve and can be removed. 10. The nut shell flexible crushing device according to claim 9, characterized in that there are bosses or pattern-shaped bosses that can increase friction on the outer surface of the inner grinding sleeve and the flexible grinding sleeve and the inner wall of the outer grinding shell. rise.

Images