CN219920189U - Nut notching machine - Google Patents

Abstract

The nut notching machine is provided with a nut accommodating cavity and a cutter accommodating cavity, wherein a cutter is arranged in the cutter accommodating cavity, a partition plate is arranged between the nut accommodating cavity and the cutter accommodating cavity, a cutter penetrating slot through which nuts cannot penetrate is formed in the partition plate, the cutter extends forward into the nut accommodating cavity through the cutter penetrating slot to notch the nuts, and the cutter retreats backward into the cutter accommodating cavity to block the nuts by the partition plate so as to separate from the nuts. People put nuts into the nut accommodating cavity, then the cutter is led to stretch into the nut accommodating cavity through the cutter penetrating seam to form a nut notch, even if the cutter is clamped by the shell of the nut or stuck by the pulp of the nut, people only need to retract the cutter into the cutter accommodating cavity, in the process, the nut stuck on the cutter cannot penetrate through the cutter penetrating seam, and can be blocked by the baffle to be automatically separated from the cutter, so that hands are not required to be close to the cutter, and the cutter is not easy to cut by the cutter.

Description

Nut notching machine

Technical Field

The utility model relates to nut processing equipment, in particular to a nut notching machine.

Background

The nuts must be shelled for consumption by a person who typically first cuts a small opening in the shell of the nut with a knife, and breaks or prys the shell of the nut open with the aid of the small opening. In the process of cutting, the cutting edge of the cutter is easily clamped by the shell of the nut or stuck by the pulp of the nut, at the moment, people need to take down the nut by using hands, the hands are close to the cutting edge, and the cutter is easily cut by the cutting edge with little carelessness.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a nut notching machine, when the nut notching machine is used for notching nuts, even if the cutting edge is clamped by the shell of the nuts or stuck by the pulp of the nuts, the nuts can be taken down without the need of a hand approaching the cutting edge, and the hand is not easy to be cut by the cutting edge.

In order to solve the technical problems, the nut notching machine is provided with a nut accommodating cavity and a cutter accommodating cavity, a cutter is arranged in the cutter accommodating cavity, a partition plate is arranged between the nut accommodating cavity and the cutter accommodating cavity, a cutter penetrating slot through which nuts cannot penetrate is formed in the partition plate, the cutter stretches into the nut accommodating cavity forwards through the cutter penetrating slot to notch the nuts, and the cutter retreats backwards into the cutter accommodating cavity to block the nuts by the partition plate so as to separate from the nuts.

Further, the rear side wall of the nut accommodating cavity is opposite to the front side wall, and the partition plate also serves as the rear side wall of the nut accommodating cavity; the cutter is inserted into the nut accommodating cavity through the cutter penetrating slit and clamps nuts together with the front side wall of the nut accommodating cavity, so that the nuts are notched.

Further, a door plate linked with the cutter is arranged at the cavity opening of the nut accommodating cavity, and the cutter retreats backwards to be opened corresponding to the door plate.

Further, the nut accommodating cavity opening is positioned at the bottom of the nut accommodating cavity.

Further, an operating rod for driving the door plate to move and a door closing spring for driving the door plate to reset and close are arranged; the tool is arranged on the moving part, the pushing rod block laterally extends out of the moving part, the extrusion block is arranged on the moving path of the pushing rod block, the moving part moves backwards to drive the tool to retract backwards, the pushing rod block pushes the operating rod to drive the door plate to open, and the pushing rod block is extruded and retracted by the extrusion block laterally to not push the operating rod any more when the moving part continues to move backwards, so that the door plate is reset and closed under the action of the elastic force of the door closing spring.

Further, an extension block spring for driving the retracted push rod block to extend and reset is arranged; the front part of the push rod block is provided with an inclined plane and/or the rear part of the operating rod is provided with an inclined plane, the moving part moves forwards to drive the cutter to move forwards, and the push rod block is pushed and retracted by the operating rod laterally due to contact with the inclined plane of the operating rod so as to cross the operating rod and then stretch out and reset under the elastic action of the stretching block spring.

Further, the Chinese chestnut cutting machine is specifically adopted; the cutter penetration seam is strip-shaped, the length is 25-35 mm, and the width is 1-3 mm.

Furthermore, the number of the cutter penetrating slits is two, the cutter penetrating slits are crossed on the partition plate to form an X shape, and the cutting edges of the cutters are correspondingly of the X shape.

Furthermore, the front end of the blade is provided with an arc-shaped concave for sinking the spherical shell of the chestnut.

Further, a driving motor for driving the cutter to move is included.

People put nuts into the nut accommodating cavity, then the cutter is led to stretch into the nut accommodating cavity through the cutter penetrating seam to form a nut notch, even if the cutter is clamped by the shell of the nut or stuck by the pulp of the nut, people only need to retract the cutter into the cutter accommodating cavity, in the process, the nut stuck on the cutter cannot penetrate through the cutter penetrating seam, and can be blocked by the baffle to be automatically separated from the cutter, so that hands are not required to be close to the cutter, and the cutter is not easy to cut by the cutter.

Drawings

Fig. 1 is an isometric view of a walnut shell opener with a lid open.

Fig. 2 is an exploded view of the walnut shell opener.

Fig. 3 is an isometric view of the case opener body with the circuit module removed.

Fig. 4 is an isometric view of the shell opener body with the circuit module removed, showing the pressure plate forward adjacent the walnut limiting plate.

Fig. 5 is an isometric view of the case opener body with the circuit module removed, with the pressure plate reset rearward and the door panel opened rearward and hidden under the mover, and not visible.

Fig. 6 is an isometric view of the drive motor, container, moving member and screw, with the container viewed obliquely from below.

Fig. 7 is an isometric view of the container, door panel, lever, drive rod and guide rod with the door panel closed.

Fig. 8 is an isometric view of the container, door panel, lever, drive rod and guide rod with the door panel open.

Fig. 9 is an exploded view of the moving member.

Fig. 10 is an isometric view of the displacement member and the extrusion block, with the displacement member looking obliquely downward.

Fig. 11 is a left side view of the container, linkage, drive motor, and mover with the pusher block of the mover positioned behind the lever of the linkage.

Fig. 12 is a left side view of the container, linkage, drive motor, and mover with the pusher block of the mover forward past the lever of the linkage.

Fig. 13 is a top view of the mover and container.

Fig. 14 is an isometric view of the container, moving member, knife and chestnut stop, with the chestnut stop removed.

Fig. 15 is an isometric view of the container, moving member, cutter and chestnut stopper, wherein the moving member drives the cutter to extend forward into the chestnut accommodation cavity.

Fig. 16 is an exploded view of the mounting bracket, container and latch.

Detailed Description

The utility model is further described in detail below in connection with the detailed description.

The walnut shell opener is shown in fig. 1 and comprises a shell opener body and a shell 10 wrapping the shell opener body. The shell opener body is shown in fig. 2, and is provided with a mounting frame 100, a walnut container 1 is mounted on the mounting frame 100, and a containing cavity 15 is formed in the container 1. The top of the shell 10 is provided with a feed port 101 which is communicated with the accommodating cavity 15, and the feed port 101 is provided with an openable cover 102; when the walnut shell opening machine is used for opening the shells of the walnuts, a user opens the cover 102, inputs the walnuts into the feeding port 101, and the walnuts fall into the accommodating cavity 15 of the container 1. Referring to fig. 3, a walnut limiting plate 92 is mounted on a front side wall 112 of the container 1, a pressing plate 91 is arranged on the rear side of the container 1, the distance between the walnut limiting plate 92 and the pressing plate 91 is 44mm, protruding blocks 93 are uniformly distributed on the rear surface of the walnut limiting plate 92 and the front surface of the pressing plate 91, and walnuts falling into the accommodating cavity 15 are located between the walnut limiting plate 92 and the pressing plate 91. Referring to fig. 2 and 3, a circuit module 109 is disposed at the rear of the container 1, a controller (not shown) is disposed on the circuit module 109, an exposed start button 103 is disposed above the circuit module 109, a driving motor 94 for driving the connection platen 91 is disposed below the circuit module, and the controller is electrically connected to the start button 103 and the driving motor 94. The user presses the start button 103 for a short time, the controller detects that the start button 103 is pressed down briefly, and then the driving motor 94 is controlled to drive the pressing plate 91 to move forward for 25mm, as shown in fig. 4, the pressing plate 91 is used as a walnut shell opening piece, and the walnut shell is clamped and crushed together with the walnut limiting plate 92 of the front side wall 112 of the container 1, so that the walnut shell opening machine can realize the shell opening of the walnut; in this process, the walnut limiting plate 92 serves as a side stopper, and the protruding block 93 on the rear surface of the side stopper and the protruding block 93 on the front surface of the pressing plate 91 can prevent the walnut from sliding upwards and falling out of the container 1. The accommodating cavity 15 of the container 1 is provided with a downward discharge hole 152, a door plate 2 linked with the pressing plate 91 is arranged at the discharge hole 152, and a blanking hole 106 aligned with the discharge hole 152 is arranged at the bottom of the shell 10. After the driving motor 94 drives the pressing plate 91 to move forward for 25mm as described above, the driving pressing plate 91 moves backward for resetting, the pressing plate 91 drives the door panel 2 to open backward in the process of moving backward for resetting, and in the open state, as shown in fig. 5, crushed walnuts can fall out of the container 1 from the discharge port 152 and then leave the walnut shell opener from the blanking port 106.

Referring to fig. 6, the driving motor 94 is located at the rear of the container 1, a moving member 190 is disposed between the two, a guiding hole 115 is formed in the rear side wall of the container 1, the front end of the moving member 190 passes through the guiding hole 115 and extends into the rear side of the container 1, and is guided by the wall of the guiding hole 115 to move back and forth along the guiding hole 115, but cannot rotate around the axis of the moving member, and the pressing plate 91 is mounted at the front end of the moving member 190. The bottom of the moving member 190 is provided with a driving groove 194, a screw rod 195 is installed in the driving groove 194, the shape and the size of the driving groove 194 are matched with those of the screw rod 195, and the driving motor 94 is connected with the rear end of the screw rod 195 in a driving mode, so that the moving member 190 and the pressing plate 91 are connected in a driving mode. The driving motor 94, the screw 195 and the moving member 190 together constitute a driving device. The driving shaft of the driving motor 94 drives the screw rod 195 to rotate around the axis thereof, so that the screw rod 195 pushes the wall of the driving groove 194 of the moving member 190, and the moving member 190 drives the pressing plate 91 to move forward by 25mm; the driving shaft of the driving motor 94 drives the screw 195 to reversely rotate around the axis of the screw, so that the moving member 190 drives the pressing plate 91 to move backwards for resetting.

Referring to fig. 5, the door panel 2 is linked with the moving member 190 by a linkage mechanism, thereby achieving linkage with the platen 91. Referring to fig. 7 and 8, the linkage includes an upper operating lever 51, a central drive lever 52, and a lower guide lever 53. The left end 511 of the lever 51 is hinged to the mounting frame 100 (see fig. 2), and the lever 51 can swing back and forth about the hinge shaft as a whole. The transmission rod 52 is provided with a slot 521, and the right end 512 of the operation rod 51 is downwardly inserted into the slot 521. The guide bar 53 is mounted on the mounting frame 100 (see fig. 2), and has a guide groove 531 opened at the top thereof in the front-rear direction; the bottom of the transmission rod 52 is inserted into the guide groove 531 to be movable back and forth along the guide groove 531. The door panel 2 is connected with the transmission rod 52, and then the operation rod 51 swings backwards to drive the transmission rod 52 to move backwards along the guide groove 531, so that the door panel 2 is driven to move backwards to be opened, and the door panel 2 is opened as shown in fig. 8. The guide rod 53 and the transmission rod 52 are provided with a door closing spring 61, the front end 611 of the door closing spring 61 is connected with the guide rod 53, the rear end 612 of the door closing spring 61 is connected with the transmission rod 52, the transmission rod 52 moves backwards to drive the door plate 2 to open, the door closing spring 61 stretches the door closing spring 61, the transmission rod 52 is applied with an elastic force for enabling the transmission rod 52 to move forwards and reset, the elastic force drives the transmission rod 52 to move forwards and reset, the operation rod 51 and the door plate 2 are driven to move forwards and reset, and the door plate 2 moves forwards and resets to be closed.

Referring to fig. 11, the linkage mechanism is located below the moving member 190, and as can be seen from the upper section, the door panel 2 (see fig. 4) is linked with the moving member 190 through the linkage mechanism, thereby realizing linkage with the pressing plate 91 (see fig. 4). The moving member 190 is shown in fig. 9 and 10, and includes a main body 31 and a top cover 32 covering the main body 31, wherein a push rod block mounting cavity 310 is formed in the main body 31, a push rod block 33 is mounted in the push rod block mounting cavity 310, a spring mounting cavity 331 is formed at the top of the push rod block 33, and a protrusion spring (not shown in the figure) is sandwiched between the bottom of the spring mounting cavity 311 and the top cover 32. The bottom of the push rod block mounting cavity 310 is provided with a left cavity opening 311 and a right cavity opening 312, the bottom of the push rod block 33 is respectively provided with a left leg 333 and a right leg 334, and the left leg 333 and the right leg 334 respectively extend downwards from the left cavity opening 311 and the right cavity opening 312 to the outside of the push rod block mounting cavity 310. Referring to fig. 7 and 11, the top of the operating lever 51 is protruded with a force block 54, and the force block 54 is located in front of the left leg 333 of the push rod block 33. The front part of the left leg 333 of the push rod block 33 is provided with a first inclined surface 335 with a high front part and a low rear part, and the rear part of the stress block 54 is provided with a second inclined surface 545 with a high front part and a low rear part. The moving member 190 is driven by the driving motor 94 to drive the push rod block 33 to move forward by 25mm, in this process, the push rod block 33 is close to the force-bearing block 54 first, the first inclined surface 335 of the push rod block 33 and the second inclined surface 545 of the force-bearing block 54 are mutually contacted and then mutually pushed, the push rod block 33 is subjected to upward force exerted by the second inclined surface 545 and is pushed upward by the second inclined surface 545, then the push rod block 33 slides upward and retracts to pass through the force-bearing block 54 and compresses the extension spring, after the push rod block 33 passes through the force-bearing block 54, the extension spring applies force to drive the push rod block 33 to slide downward and extend for resetting, and after resetting, as shown in fig. 12, the push rod block 33 slides downward and extends for resetting, and then continues to move forward under the driving of the moving member 190. When the moving member 190 drives the push rod block 33 to move forward by 25mm, the pressing plate 91 (see fig. 4) at the front end of the push rod block just crushes the walnut shells to complete the shell opening. After the shell is opened, the moving member 190 is driven by the driving motor 94 to drive the push rod block 33 to move backwards for 25mm to reset, in this process, the push rod block 33 just contacts the stressed block 54 when moving backwards for 15mm, the push rod block 33 continuously moves backwards to push the operating rod 51 backwards through the stressed block 54, the operating rod 51 is driven to swing backwards, and then the operating rod 51 drives the transmission member 52 and the door panel 2 to move backwards as shown in fig. 8, and the moving member 190 is linked with the door panel 2 in this way.

Referring to fig. 10 and 16, the mounting frame 100 is provided with a pressing block 108 at the rear lower side of the right leg 334 of the push rod block 33, and the push rod block 33 normally retracts upward to compress the extension spring due to upward pressing of the pressing block 108. When the push rod block 33 moves forward along with the moving member 190, the right leg 334 of the push rod block 33 is not extruded by the extrusion block 108, and the elastic force is applied to the push rod block 33 by the extension block spring so that the push rod block 33 slides downwards to extend out for resetting. From the upper section, when the moving member 190 drives the push rod block 33 to move forward by 25mm, the pressing plate 91 at the front end of the moving member 190 just crushes the walnut shell to open the shell, and after the shell is opened, the moving member 190 drives the push rod block 33 to move backward by 25mm to reset. The extrusion block 108 is located on a moving path in which the push rod block 33 moves backward, and when the push rod block 33 moves backward by 20mm with the moving member 190, as shown in fig. 10, the right leg 334 of the push rod block 33 just contacts the extrusion block 108; continued rearward movement of the pusher block 33 is caused by upward pressing of the pressing block 108 to slide upward to retract until it is higher than the force-receiving block 54 of the operation lever 51, in which state the pusher block 33 is moved rearward by just 25mm, and the pressing plate 91 (see fig. 3) at the front end of the moving member 190 is completely reset. At this time, since the push rod block 33 is higher than the force-receiving block 54 of the operation rod 51, the push rod block 33 is not blocked in front of the force-receiving block 54 of the operation rod 51, the operation rod 51 is not blocked and pushed by the push rod block 33 due to the force-receiving block 54, and can move forward and reset together with the door panel 2 under the driving of the door closing spring 61 and the transmission rod 52, and the door panel 2 is reset and closed as shown in fig. 7.

Referring to fig. 2 and 3, after the door panel 2 is reset, the user puts the next walnut into the accommodating cavity 15 through the feeding port 101, and the driving motor 94 continues to drive the moving member 190 to drive the pressing plate 91 to open the shell of the walnut. The drive motor 94 has three drive modes, namely "slow", "medium", "fast", and "slow" mode in the normal state. If the user needs to increase the shell opening speed, he can press the start button 103 for three seconds, and the controller detects that the start button 103 is pressed for three seconds, so as to control the driving motor 94 to switch from the slow mode to the medium mode, the rotation speed of the driving motor 94 is increased, and the moving speed of the pressing plate 91 is increased. The user presses the start button 103 again for three seconds, and the controller controls the driving motor 94 to switch from the "medium" mode to the "fast" mode, at this time, the rotation speed of the driving motor 94 is again increased, and the moving speed of the pressing plate 91 is again increased. The user presses the start button 103 three seconds long for the third time, and the controller controls the driving motor 94 to switch from the "fast" mode to the "slow" mode, the rotation speed of the driving motor 94 becomes slow, and the moving speed of the pressing plate 91 becomes slow.

Referring to fig. 13, the front end of the moving member 190 is provided with a first slot 191 in the shape of a T penetrating up and down, the first slot 191 is used as a first mounting structure, and the pressure supply plate 91 (referring to fig. 6) is detachably fastened and mounted to the front end of the moving member 190 from top to bottom. The front side wall of the container 1 is provided with a second clamping groove 192 which is penetrated up and down, and the second clamping groove 192 is used as a second mounting structure for the walnut limiting plate 92 (see fig. 6) to be clamped and mounted on the front side wall 112 of the container 1 from top to bottom in a detachable manner.

The walnut shell opener is also used as a chestnut shell opener (also called a chestnut notch cutter), as shown in fig. 14, a cutter 121 serving as a chestnut shell opening piece and a concave-shaped chestnut limiting block 122 are arranged, the cutting edge of the cutter 121 is in an X shape, when the walnut shell opener is required to be used for opening the chestnut shells, a user does not need to purchase the chestnut shell opener additionally, only needs to disassemble the shell 10 (see fig. 1) to expose the shell opener body, the shell opener body is shown in fig. 3, then the pressing plate 91 and the walnut limiting plate 92 are disassembled, then the cutter 121 is clamped and installed at a first clamping groove 191 (see fig. 13), the front end of the chestnut limiting block 122 is clamped and installed at a second clamping groove 192 (see fig. 13), after the cutter 121 is positioned at the front end of the moving piece 190, the rear part 128 of the chestnut limiting block 122 covers the rear part of the container 1, the left front part 126 of the chestnut limiting block 122 is attached to the left front side wall of the container 1, and the right front part 127 is attached to the right front side wall of the container 1. The front wall in the middle of the chestnut limiting block 122 is used as a partition plate 13 to divide the accommodating cavity 15 of the container 1 into a preceding chestnut accommodating cavity 11 and a subsequent cutter accommodating cavity 12. The cutter 121 is hidden in the cutter accommodating chamber 12. The front side wall 112 of the container 1 is used as the front side wall of the chestnut accommodating cavity 11; the baffle 13 is used as the rear side wall of the chestnut accommodating cavity 11 and is opposite to the front side wall of the chestnut accommodating cavity 11. The partition 13 is provided with two strip-shaped penetrating slits 131 which are crossed to form an X shape, the length of each penetrating slit 131 is 25-35 mm, the width is 1-3 mm, and the preferred length is 29.3mm and the width is 2mm. The driving motor 94 has two working modes, namely a 'walnut crushing mode' and a 'chestnut cutting mode', and is normally in the 'walnut crushing mode'. Referring to fig. 2, the chestnut sheller is provided with an exposed switch button 104, the controller is electrically connected with the switch button 104, the user presses the switch button 104, and the controller detects that the switch button 104 is pressed, so as to control the driving motor 94 to switch into a 'chestnut cutting mode', and in this mode, the driving motor 94 drives the moving member 190 to move forward for 10mm. The user puts the chestnut into the chestnut accommodating cavity 11, presses the start button 103, and then the driving motor 94 drives the moving member 190 to move forward to drive the cutter 121 to extend into the chestnut accommodating cavity 11 forward through the cutter penetrating slit 131, as shown in fig. 15, the cutter 121 and the front side wall of the chestnut accommodating cavity 11 clamp the chestnut together to cut the chestnut, so that the chestnut is shelled. The front end of the cutting edge is provided with an arc-shaped concave 125, in the process of opening the shell, the spherical shell of the chestnut falls into the arc-shaped concave 125 at the front end of the cutting edge, and the chestnut limiting block 122 is used as a side blocking piece, the left front part 126 and the right front part 127 of the chestnut limiting block are respectively blocked at the left side and the right side of the moving path of the cutter 121, so that the chestnut is prevented from sliding leftwards or rightwards to be separated from the moving path of the cutter 121.

Referring to fig. 14 and 15, after the chestnut is cut, the driving motor 94 (see fig. 3) drives the moving member 190 to move backward to reset and drive the cutter 121 to retract backward into the cutter accommodating cavity 12, in this process, even if the cutter 121 is clamped by the shell of the chestnut or stuck by the pulp of the chestnut, the chestnut stuck on the cutting edge cannot pass through the cutting through slit 131 because the chestnut is larger than the cutting through slit 131, so that the chestnut is blocked by the partition 13 and is separated from the cutting edge, and the hand does not need to be close to the cutting edge, and is not easy to be cut by the cutting edge. Because the door plate 2 is linked with the cutter 121, in the process that the cutter 121 retreats backwards to the cutter accommodating cavity 12, the door plate 2 is driven by the cutter 121 to open backwards, and the cut Chinese chestnut leaves from the cavity opening at the bottom of the Chinese chestnut accommodating cavity 12; when the reset of the cutter 121 is completed, the door panel 2 moves forward to be closed. The user presses the switch button 104 again and the controller controls the drive motor 94 to switch back to the "crushed walnut mode".

Referring to fig. 16, the container 1 is detachably mounted on the mounting frame 100 by the locking member 18, specifically, the mounting frame 100 is provided with a locking hole 107, the container 1 is provided with a mounting hole 17 aligned with the locking hole 107, the bottom of the locking member 18 passes through the mounting hole 17 and then extends into the locking hole 107 and rotates ninety degrees around the axis thereof, in this state, the locking member 18 is blocked by the mounting frame 100 and cannot be pulled out upwards, thus locking the container 1 on the mounting frame 100. When a user needs to remove the container 1 for cleaning, the bottom of the locking member 18 is not blocked by the mounting frame 100 any more only by reversely rotating the locking member 18 for ninety degrees around the axis of the locking member, so that the container 1 and the locking member 18 can be removed from the mounting frame 100 together, and then the container 1 can be cleaned.

In this embodiment, the moving member 190, together with the pressing plate 91 or the cutter 121, is retracted to open the door panel 2. In other embodiments, the door panel 2 may be opened instead to drive the moving member 190 to retract along with the platen 91 or the cutter 121, or an operation device may be used to control two parallel transmission mechanisms to drive the door panel 2 to open and the moving member 190 to retract respectively, so long as the platen 91 or the cutter 121 can retract to the corresponding door panel 2 to open.

The above-described embodiments are provided for the present utility model only and are not intended to limit the scope of patent protection. Insubstantial changes and substitutions can be made by one skilled in the art in light of the teachings of the utility model, as yet fall within the scope of the claims.

Claims (10)

1. Nut incision machine, its characterized in that: the nut cutter is characterized by comprising a nut accommodating cavity and a cutter accommodating cavity, wherein a cutter is arranged in the cutter accommodating cavity, a partition plate is arranged between the nut accommodating cavity and the cutter accommodating cavity, a cutter penetrating slot through which nuts cannot penetrate is formed in the partition plate, the cutter stretches forward into the nut accommodating cavity through the cutter penetrating slot to cut the nuts, and the cutter retreats backwards into the cutter accommodating cavity to separate from the nuts due to the fact that the partition plate blocks the nuts.

2. The nut slitting machine according to claim 1, wherein: the rear side wall of the nut accommodating cavity is opposite to the front side wall, and the partition plate also serves as the rear side wall of the nut accommodating cavity; the cutter is inserted into the nut accommodating cavity through the cutter penetrating slit and clamps nuts together with the front side wall of the nut accommodating cavity, so that the nuts are notched.

3. The nut slitting machine according to claim 1, wherein: the nut accommodating cavity opening is provided with a door plate linked with the cutter, and the cutter is retreated backwards to correspond to the door plate to be opened.

4. The nut slitting machine according to claim 3, wherein: the nut accommodating cavity opening is positioned at the bottom of the nut accommodating cavity.

5. The nut slitting machine according to claim 3, wherein: the door closing spring is provided with an operating rod for driving the door plate to move and a door plate reset and closing driving spring; the tool is arranged on the moving part, the pushing rod block laterally extends out of the moving part, the extrusion block is arranged on the moving path of the pushing rod block, the moving part moves backwards to drive the tool to retract backwards, the pushing rod block pushes the operating rod to drive the door plate to open, and the pushing rod block is extruded and retracted by the extrusion block laterally to not push the operating rod any more when the moving part continues to move backwards, so that the door plate is reset and closed under the action of the elastic force of the door closing spring.

6. The nut slitting machine according to claim 5, wherein: an extension block spring for driving the retracted push rod block to extend and reset is arranged; the front part of the push rod block is provided with an inclined plane and/or the rear part of the operating rod is provided with an inclined plane, the moving part moves forwards to drive the cutter to move forwards, and the push rod block is pushed and retracted by the operating rod laterally due to contact with the inclined plane of the operating rod so as to cross the operating rod and then stretch out and reset under the elastic action of the stretching block spring.

7. The nut slitting machine according to claim 1, wherein: in particular to a chestnut notching machine; the cutter penetration seam is strip-shaped, the length is 25-35 mm, and the width is 1-3 mm.

8. The nut slitting machine according to claim 7, wherein: the number of the cutter penetrating slits is two, the two cutter penetrating slits are crossed on the partition plate to form an X shape, and the cutting edges of the cutters are correspondingly of the X shape.

9. The nut slitting machine according to claim 7, wherein: the front end of the blade is provided with an arc-shaped concave for sinking the spherical shell of the chestnut.

10. Nut slitting machine according to any one of the claims 1 to 9, characterized in that: comprises a driving motor for driving the cutter to move.