CN206324170U - A kind of vertical semi-automatic lichee stoning skinning machine - Google Patents

Abstract

The utility model discloses a vertical semi-automatic lychee removing core and peeling machine, which comprises a controller, a turntable mechanism provided with positioning holes for placing lychees, and a pre-cutting mechanism for cutting fruit pedicles sequentially installed around the turntable mechanism, Core and peeling mechanism and shell removal mechanism; the controller is electrically connected with the turntable mechanism, pre-cutting mechanism, core and peeling mechanism and waste shell removal mechanism respectively; the turntable mechanism is set horizontally, and the pre-cut mechanism is set On the pre-cutting station, located above the positioning hole, the core and peeling mechanism is arranged on the core and peeling station, located on the upper and lower sides of the positioning hole, the waste shell removal mechanism and the core and peeling mechanism Connected to achieve synchronous up and down movement to remove the peel from the positioning hole. The utility model has the advantages of simple structure, convenient operation and good processing effect, and the obtained pulp has good integrity and little loss.

Description

A vertical semi-automatic lychee pitting and peeling machine

technical field

The utility model relates to the field of litchi processing equipment, in particular to a vertical semi-automatic litchi removing core and peeling machine with infrared automatic reset.

Background technique

China is the largest country of origin and production of lychee in the world. The output of lychee accounts for more than 70% of the world, and the output of longan accounts for more than 50% of the world. Litchi is a typical seasonal fruit. It is characterized by a relatively concentrated and explosive ripening period, and a short shelf life. It is easy to cause oversupply during the ripening period, which will discourage the enthusiasm of fruit farmers and have a negative impact on the entire industry. Therefore, it is necessary to use mechanized processing equipment to remove the core and peel the temporarily redundant lychees, and process them into dried lychees, canned lychees, etc., so as to alleviate the unsalable situation of lychees during the mature period.

At present, lychees are mainly processed in Guangxi and Fujian. The main methods are beating to make concentrated juice and sell them at home and abroad. This method cannot obtain relatively complete lantern-shaped pulp. The second method mainly uses simple tools to manually remove the pits and peel the lychees, and make them into cans, but this method has disadvantages such as low efficiency, insufficient cleanliness and sanitation of the pits and peels, and high work intensity. , the labor cost is getting higher and higher, and the economic benefit is reduced, which affects the development of the whole litchi deep processing industry.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a vertical semi-automatic lychee removing core and peeling machine with simple structure, convenient operation and excellent processing effect.

The purpose of this utility model is achieved through the following technical solutions:

A vertical semi-automatic lychee depitting and peeling machine, including a controller, a turntable mechanism provided with a positioning hole for placing lychees, and a pre-cutting mechanism for cutting off fruit pedicles, a nucleus and peeling mechanism installed around the turntable mechanism in sequence and dehulling mechanism. The controller is electrically connected with the turntable mechanism, the pre-cutting mechanism, the coring and peeling mechanism and the shell removing mechanism respectively, controls them respectively and cooperates with each other. The turntable mechanism is arranged horizontally and rotates intermittently in one direction. Described pre-cutting mechanism is arranged on the pre-cutting station, is positioned at the top of positioning hole, litchi is placed in positioning hole (fruit pedicle is upward), when passing through pre-cut mechanism, fruit pedicle is excised. The described denucleating and peeling mechanism is arranged on the denucleating and peeling station, and the parts of the denucleating and peeling mechanism are respectively located on the upper and lower sides of the positioning hole, and the lychee in the hole is first denucleated and then peeled. The shell removing mechanism is connected with the core removing and peeling mechanism to realize synchronous up and down movement and remove the peel from the positioning hole.

Specifically, the turntable mechanism includes a disc for placing lychees and a servo motor driving the disc to rotate. The disk is installed horizontally, and the positioning holes are equally spaced on the disk. The positioning holes are arc-shaped through-hole structures, and the upper opening is larger than the lower opening. As a preferred solution of the present utility model, a large amount of data and experimental verification show that when the diameter of the opening above the positioning hole is designed to be 32 mm and the diameter of the opening below is designed to be 24 mm, it is suitable for most litchi fruits. The diameter design of the peeling knife below is advisable for 20 millimeters. The servo motor is installed under the disc and is connected with the disc drive to drive the disc to rotate intermittently.

Specifically, the pre-cutting mechanism is used to cut off the hard fruit pedicles of the lychees in advance to prepare for the following process of removing the core and peeling. The pre-cutting mechanism includes a DC motor and a circular blade. The output shaft of the DC motor is set downward, and the circular blade is installed on the output shaft of the DC motor. Since the height of the litchi is greater than the depth of the positioning hole, after the litchi is put into the positioning hole, the fruit pedicle will be exposed Outside the positioning hole, when the lychee passes through the pre-cutting station, the DC motor drives the circular blade to rotate, and the part of the fruit pedicle exposed outside is cut off. As a preferred solution of the present utility model, it has been shown through repeated tests that when the circular blade is installed at a height of 7 mm from the disk, the fruit pedicle can be effectively removed, and if the installation height is too low, it is easy to cut the core and pulp. If it is too high, the fruit pedicle cannot be removed.

Specifically, the coring and peeling mechanism includes a first linear guide rail, a first linear guide rail motor, a coring knife, a peeling knife and a baffle. The first linear guide rail is vertically arranged (perpendicular to the disc), and the coring knife and the peeling knife are all installed on the first linear guide rail, and are respectively positioned on the upper and lower sides of the positioning hole (the nuclear cutting knife is positioned at the top and bottom of the positioning hole). above, the paring knife is below the positioning hole). The first linear guide motor is connected with the first linear guide and drives the coring knife and the peeling knife to move in the same direction (the core is removed when moving downward, and the skin and flesh are separated when moving upward). The baffle plate is located above the positioning hole, and is provided with a round hole for extruding pulp, and the pitting knife, the peeling knife, the round hole and the positioning hole are coaxially arranged. As a preferred solution of the utility model, when the size of the lychee is large, the circular hole may have the defect of scratching the pulp part, so the circular hole described in the utility model is set as a flower-shaped hole with an aperture of 23 mm. When the peeling knife squeezes upwards, part of the pulp passes through the gap of the flower-shaped hole, which reduces the extrusion of the flower-shaped hole to the pulp, reduces the loss of juice, thereby reducing the damage to the pulp and ensuring the integrity of the pulp.

As a preferred solution of the present utility model, since the outline of the fruit core is arc-shaped, in order to avoid the deviation of the fruit core during the core removal operation, the diameter of the core removal knife is designed to be about 9mm, and the cutter head is designed to be concave inwards. The concave part is an arc surface. When the coring knife is in contact with the core, the concave knife head will hold and position the core, so that the core will advance according to the direction of movement of the core knife, and finally be ejected.

As the preferred solution of the utility model, when the tube wall of the peeling knife is thinner, a longer stroke is needed to squeeze out the pulp, and the peel at this time will be stuck in the flower-shaped hole and cannot fall, so the utility model will The outer diameter of the peeling knife is preferably designed to be 20 mm, and the inner diameter is designed to be 16 mm, and is made of stainless steel pipe. Such a design shortens the stroke of the peeling knife and reduces the time for peeling. While ensuring the complete extrusion of the pulp, it prevents the peel from being stuck in the flower-shaped hole, so that the core and peeling process can be carried out smoothly.

When removing the core, the first linear guide rail motor drives the core removal knife to move downward. The core removal knife contacts the fruit core and continues to move downward until the core is pushed out of the positioning hole to realize the core removal operation. Only the core remains in the positioning hole. Peel and pulp; then, the first linear guide motor drives the peeling knife to move upwards, and the peeling knife is held up after contacting the peel. Since the baffle is located above the positioning hole, it is blocked when the peel is in contact with the baffle , and the pulp is extruded from the flower-shaped hole under the extrusion of the peeling knife due to its elasticity, so as to realize the separation operation of the peel and pulp.

Specifically, the shell removal mechanism includes a shell bar and a cross bar. One end of the cross bar is fixedly connected with the coring knife, and the other end is fixed with the cross bar. The cross bar is installed vertically and is coaxial with the positioning hole. After the peeling operation is completed, because the peel is still in the positioning hole, it will affect the processing of the next litchi, so when the peel reaches the waste shell removal station, the peeling rod moves downward to remove the peel from the positioning hole from top to bottom. out of the middle.

As a preferred solution of the utility model, since the shape of the plastic is easy to shape, light in weight, and the hardness can meet the requirements, the shelling rod described in the utility model is made of non-toxic plastic, which is conducive to reducing the production cost and maintenance of the machine cost.

Further, the core removal and peeling mechanism also includes a push rod for collecting pulp, a second linear guide rail and a second linear guide motor. The second linear guide is located on one side of the coring and peeling station, and is arranged horizontally. The pusher is mounted on a second linear guide at a height of about 1 mm above the baffle to push the pulp from one side of the baffle to the other. The second linear guide motor is connected with the second linear guide, and drives the push rod to move forward to push the pulp out from the baffle.

Further, in order to push the pulp in a directional manner and prevent the pulp from falling from other places of the baffle, ribs are provided on both sides of the baffle, and the baffle and the rib together constitute a channel for pushing by the push rod. In addition, the head of the push rod is designed to be arc-shaped, and when the pulp is pushed, the pulp enters the arc-shaped push rod and moves forward, thereby avoiding deviation and falling of the pulp.

Further, in order to improve the degree of automation of the machine and save the time of manual zero adjustment and hole alignment when starting up, the litchi core removal and peeling machine also includes a reset switch for marking the mechanical zero point. The reset switch adopts an infrared sensor or a photoelectric switch, and the reset switch is connected with the controller and installed on the first linear guide rail, the second linear guide rail and the disc respectively. After the machine is started, it will detect the state of each reset switch, and reset the positions of the first linear guide rail, the second linear guide rail and the disc, so that the coring knife, peeling knife and shelling rod are respectively aligned with the positions on the disc. The hole is centered, and the push rod is reset to the zero position to prepare for the next round of pulp pushing.

Further, the litchi peeling and pitting machine also includes a frame, a workbench, an electric control box, a main switch, a DC motor switch and a servo motor switch. The workbench and the electric control box are installed on the frame. The turntable mechanism, the pre-cut mechanism, the core and peel mechanism and the shell removal mechanism are all arranged on the workbench, and the controller is respectively connected with the electric control box, the main switch, the DC motor switch and the servo motor switch.

The working process and principle of the utility model are as follows: firstly, the worker puts the lychee into the positioning hole on the disc (the pedicle faces upward), then, the servo motor drives the disc to turn to the pre-cutting station, and the circular blade cuts the lychee Part of the fruit pedicle is cut off; then, the servo motor drives the disc to turn to the pitting and peeling station, the coring knife moves downward to push out the fruit core, and the peeling knife moves upward together with the baffle to squeeze out the pulp; then, the push rod Moving forward, the pulp is pushed forward; finally, the servo motor drives the disc to turn to the shell removal station, and the shell removal rod moves downward to push the peel out of the positioning hole. The utility model has the advantages of simple structure, convenient operation and good processing effect.

Compared with the prior art, the utility model also has the following advantages:

(1) The nuclear and peeling machine provided by the utility model has simple principle and low manufacturing cost. Compared with the traditional manual method, it has short processing time, high efficiency, good processing effect and low labor intensity of workers.

(2) The pitting and peeling machine provided by the utility model has less damage to the pulp, a low loss rate of the pulp, and less loss of pulp juice. The collected pulp is 100% lantern meat, and there is no peel, which is very good. Processing requirements.

(3) The nuclear and peeling machine provided by the utility model also has the advantages of small size, reliable operation, easy cleaning and maintenance, and is very suitable for large-scale application in the litchi processing industry.

(4) The core removal and peeling machine provided by the utility model realizes the core removal and peeling operations at the same processing position, which avoids the trouble of secondary processing and reduces the loss of litchi moisture in the secondary processing.

(5) The core removal and peeling machine provided by the utility model utilizes the back and forth movement of the core removal and peeling cutter and the effect of the baffle plate to first remove the core of the lychee, then squeeze out the pulp, and combine the remaining lychee meat with the baffle plate. Litchi peels are separated into corresponding collection boxes.

(6) The core removal and peeling machine provided by the utility model can automatically return to the mechanical zero point when starting, the processing success rate is high, and the obtained pulp is complete.

Description of drawings

Fig. 1 is the perspective view of the vertical semi-automatic lychee removing core and peeling machine provided by the utility model.

Fig. 2 is a perspective view of the coring and peeling mechanism provided by the utility model.

Fig. 3 is a partial schematic view of the vertical semi-automatic lychee removing and peeling machine provided by the utility model.

Fig. 4 is a schematic structural view of the vertical semi-automatic lychee removing and peeling machine provided by the utility model.

Explanation of the labels in the above-mentioned accompanying drawings:

1-frame, 2-table, 3-disk, 4-positioning hole, 5-circular blade, 6-DC motor, 7-baffle, 8-flower hole, 9-pitting knife, 10- The first linear guide motor, 11-push rod, 12-cross bar, 13-shell rod, 14-electric control box, 15-controller, 16-main switch, 17-DC motor switch, 18-servo motor switch , 19-the second linear guide motor, 20-reset switch, 21-servo motor, 22-peeling knife.

detailed description

In order to make the purpose, technical solution and advantages of the utility model more clear and definite, the utility model will be further described below with reference to the accompanying drawings and examples.

Example 1:

As shown in Fig. 1 and Fig. 4, the utility model discloses a kind of vertical semi-automatic lychee pitting and peeling machine, comprising a controller 15 and a turntable mechanism provided with a positioning hole 4 for placing lychees, and a turntable mechanism installed in sequence The surrounding pre-cutting mechanism for cutting off the fruit pedicle, the core and peeling mechanism and the waste shell removal mechanism. The controller 15 is electrically connected with the turntable mechanism, the pre-cutting mechanism, the coring and peeling mechanism and the shell removing mechanism respectively, controls them respectively and cooperates with each other. The turntable mechanism is arranged horizontally and rotates intermittently in one direction. Described pre-cutting mechanism is arranged on the pre-cutting station, is positioned at the top of positioning hole 4, litchi is placed in positioning hole 4 (fruit pedicle is upward), when passing through pre-cut mechanism, fruit pedicle is excised. The described denucleating and peeling mechanism is arranged on the denucleating and peeling station, and the parts of the denucleating and peeling mechanism are respectively located on the upper and lower sides of the positioning hole 4, and the lychee in the hole is first denucleated and then peeled. The shell removal mechanism is connected with the core removal and peeling mechanism to realize synchronous up and down movement and remove the peel from the positioning hole 4 .

Specifically, the turntable mechanism includes a disc 3 for placing lychees and a servo motor 21 for driving the disc 3 to rotate. The disc 3 is installed horizontally, and the positioning holes 4 are equally spaced on the disc 3. The positioning holes 4 are arc-shaped through-hole structures, and the upper opening is larger than the lower opening. As a preferred solution of the present utility model, a large amount of data and experimental verification show that when the opening diameter above the positioning hole 4 is designed to be 32 millimeters and the opening diameter below is designed to be 24 millimeters, it is suitable for most litchi fruits. The diameter design of the peeling knife 22 below the hole is advisable for 20 millimeters. The servo motor 21 is installed under the disc 3 and connected with the disc 3 in a transmission manner to drive the disc 3 to rotate intermittently.

Specifically, the pre-cutting mechanism is used to cut off the hard fruit pedicles of the lychee in advance to prepare for the following process of removing the core and peeling. The pre-cutting mechanism includes a DC motor 6 and a circular blade 5 . The output shaft of described DC motor 6 is arranged downwards, and described circular blade 5 is installed on the output shaft of DC motor 6, because the height of litchi is greater than the depth of positioning hole 4, so after litchi is put into positioning hole 4, its The fruit pedicle part can be exposed outside the positioning hole 4, and when the lychee passed through the pre-cut station, the DC motor 6 drove the circular blade 5 to rotate, and the exposed fruit pedicle part was excised. As a preferred version of the present utility model, it has been shown through repeated tests that when the circular blade 5 is installed at a place of 7 mm in height from the disc 3, the fruit pedicle can be effectively removed, and the fruit core can be easily removed if the installation height is too low. Cut off the fruit and pulp, too high to cut off the fruit pedicle.

Specifically, as shown in FIG. 2 and FIG. 3 , the coring and peeling mechanism includes a first linear guide rail, a first linear guide rail motor 10 , a coring knife 9 , a peeling knife 22 and a baffle 7 . Described first linear guide rail is vertically arranged (perpendicular to disk 3), and coring knife 9 and peeling knife 22 are all installed on the first linear guide rail, are respectively positioned at the upper and lower sides of positioning hole 4 (coring knife 9 is above the positioning hole 4, and the peeling knife 22 is below the positioning hole 4). The first linear guide motor 10 is connected with the first linear guide and drives the coring knife 9 and the peeling knife 22 to move in the same direction (the core is removed when moving downward, and the skin and flesh are separated when moving upward). Described baffle plate 7 is positioned at the top of positioning hole 4, is provided with the circular hole that is used to extrude pulp, and described coring knife 9, peeling knife 22, circular hole and positioning hole 4 are coaxially arranged. As a preferred solution of the utility model, when the size of the litchi is large, the circular hole may have the defect of scratching the pulp part, so the circular hole described in the utility model is set as a flower-shaped hole 8 with an aperture of 23 millimeters. When the peeling knife 22 squeezes upwards, part of the pulp passes through the gap of the flower-shaped hole 8, which reduces the extrusion of the flower-shaped hole to the pulp and reduces the loss of juice, thereby reducing the damage to the pulp and ensuring the preservation of the pulp. whole.

As a preferred solution of the present utility model, since the outline of the fruit core is arc-shaped, in order to avoid the deviation of the core during the core removal operation, the diameter of the core removal knife 9 is designed to be about 9 mm, and the cutter head is designed to be concave inward , the concave part is an arc surface. After coring knife 9 contacts with fruit core, the cutter head of depression blocks and locates fruit core, makes fruit core advance according to the motion direction of coring knife 9, is pushed out at last.

As a preferred solution of the present utility model, when the tube wall of the peeling knife 22 is relatively thin, it takes a longer stroke to squeeze out the pulp, and the peel at this time will be stuck in the flower-shaped hole 8 and cannot fall. The outer diameter of the novel peeling knife 22 is preferably designed to be 20 millimeters, and the inner diameter is designed to be 16 millimeters, and is made of a stainless steel tube. Such design shortens the stroke of the peeling knife 22, reduces the time used for peeling, and avoids the peel from being stuck in the pattern hole 8 while ensuring the complete extrusion of the pulp, so that the peeling process can be carried out smoothly.

When removing the core, the first linear guide rail motor 10 drives the core removal knife 9 to move downward, and the core removal knife 9 contacts with the fruit core and continues to move downward until the fruit core is pushed out of the positioning hole 4 to realize the core removal operation and positioning Only peel and pulp are left in the hole 4; then, the first linear guide motor 10 drives the peeling knife 22 to move upwards, and the peeling knife 22 is held up after contacting the peel, because the baffle plate 7 is located above the positioning hole 4, Therefore when the peel is blocked after contacting the baffle plate 7, and the pulp is extruded from the pattern hole 8 under the extrusion of the peeling knife 22 to realize the separation operation of the peel and the pulp due to elasticity.

Specifically, as shown in FIG. 3 , the shell removal mechanism includes a shell removal rod 13 and a cross bar 12 . One end of the cross bar 12 is fixedly connected with the coring knife 9, and the other end is fixed with the cross bar 12. The cross bar 12 is vertically installed and coaxial with the positioning hole 4 . After the peeling operation is completed, because the peel still remains in the positioning hole 4, it will affect the processing of the next lychee, so when the peel reaches the shell removal station, the peeling rod 13 moves downward, and the peel is moved from top to bottom. Push out from positioning hole 4.

As a preferred solution of the utility model, since the shape of the plastic is easy to shape, light in weight, and the hardness can meet the requirements, the shelling rod 13 described in the utility model is made of non-toxic plastic, and this design is conducive to reducing the production cost and the cost of the machine. Maintenance costs.

Further, the core removal and peeling mechanism also includes a push rod 11 for collecting pulp, a second linear guide rail and a second linear guide motor 19 . The second linear guide is located on one side of the coring and peeling station, and is arranged horizontally. Described push rod 11 is installed on the second linear guide rail, is positioned at the height of about 1 millimeter above the baffle plate 7, and pushes the pulp from one side of the baffle plate 7 to the other side. The second linear guide motor 19 is connected with the second linear guide, and drives the push rod 11 to move forward to push out the pulp from the baffle plate 7 .

Further, in order to directional push the pulp and prevent the pulp from falling from other places of the baffle plate 7, ribs are provided on both sides of the baffle plate 7, and the baffle plate 7 and the ribs together constitute a channel for pushing by the push rod 11. In addition, the head of the push rod 11 is designed to be arc-shaped, and when the pulp is pushed, the pulp enters the arc-shaped push rod 11 and moves forward, thereby avoiding deviation and falling of the pulp.

Further, in order to improve the degree of automation of the machine and save the time of manual zero adjustment and hole alignment when starting up, the litchi core removal and peeling machine also includes a reset switch 20 for marking the mechanical zero point. The reset switch 20 adopts an infrared sensor or a photoelectric switch, and the reset switch 20 is connected with the controller 15 and installed on the first linear guide rail, the second linear guide rail and the disc 3 respectively. Just can detect the state of each reset switch 20 after machine starts, the position of the first linear guide, the second linear guide and disc 3 is reset, and makes coring knife 9, peeling knife 22 and shelling bar 13 respectively The positioning hole 4 on the disc 3 is centered, and the push rod 11 is reset to the zero position to prepare for the next round of pulp pushing.

Further, the litchi peeling and pitting machine also includes a frame 1, a workbench 2, an electric control box 14, a main switch 16, a DC motor switch 17 and a servo motor switch 18. The workbench 2 and the electric control box 14 are installed on the frame 1 . The turntable mechanism, the pre-cut mechanism, the core and peel mechanism and the shell removal mechanism are all arranged on the workbench 2, and the controller 15 is connected with the electric control box 14, the main switch 16, the DC motor switch 17 and the servo motor respectively. Switch 18 is connected.

The working process and principle of the present utility model are: at first, the workman puts litchi into the positioning hole 4 on the disc 3 (the fruit stem faces upwards), then, the servo motor 21 drives the disc 3 to turn to the pre-cutting station, and the circular disc 3 turns to the pre-cutting station. The blade 5 partially cuts off the pedicle of the litchi; then, the servo motor 21 drives the disk 3 to turn to the pitting and peeling station, the pitting knife 9 moves downward to push out the fruit core, and the peeling knife 22 moves upward to meet the baffle plate 7 Squeeze out the pulp together; then, the push rod 11 moves forward to push the pulp forward; finally, the servo motor 21 drives the disc 3 to turn to the waste shell removal station, and the shell removal rod 13 moves downward to eject the peel and position it Hole 4. The utility model has the advantages of simple structure, convenient operation and good processing effect.

The above-mentioned embodiment is a preferred implementation mode of the present utility model, but the implementation mode of the present utility model is not limited by the above-mentioned embodiment, and any other changes, modifications and substitutions made without departing from the spirit and principle of the present utility model , combination, and simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present utility model.

Claims (10)

1. A vertical semi-automatic lychee core removal and peeling machine, characterized in that it includes a controller and a turntable mechanism that is provided with a positioning hole for placing lychees, and a pre-cut mechanism that is installed around the turntable mechanism successively with the fruit pedicel excision , a coring and peeling mechanism and a waste shell removal mechanism; the controller is electrically connected with the turntable mechanism, the pre-cut mechanism, the core and peel mechanism and the waste shell mechanism; the turntable mechanism is horizontally arranged, and the pre-cut mechanism It is arranged on the pre-cutting station, above the positioning hole, and the core and peeling mechanism is arranged on the core and peeling station, and is located on the upper and lower sides of the positioning hole. Mechanism connection, realize synchronous up and down movement, and remove the peel from the positioning hole; The pre-cutting mechanism includes a DC motor and a circular blade; the circular blade is installed on the output shaft of the DC motor, and the fruit pedicle is cut off by the DC motor with the circular blade; Described coring and peeling mechanism comprises the first linear guide rail, the first linear guide rail motor, coring knife, peeling knife and baffle plate; Described first linear guide rail is vertically arranged, and coring knife and peeling knife are installed on the first linear guide rail, located on the upper and lower sides of the positioning hole, the first linear guide rail motor is connected with the first linear guide rail and drives the coring knife and peeling knife to move in the same direction; the baffle Located above the positioning hole, there is a circular hole for extruding pulp, and the pitting knife, peeling knife, circular hole and positioning hole are coaxially arranged; The shell removal mechanism includes a shell removal rod and a cross bar; one end of the cross bar is fixedly connected with the coring knife, and the other end is fixed with the cross bar; the cross bar is installed vertically. 2. The vertical semi-automatic lychee core removal and peeling machine according to claim 1, wherein the core removal and peeling mechanism also includes a push rod for collecting pulp, a second linear guide rail and a second linear guide motor The second linear guide rail is horizontally arranged, the push rod is installed on the second linear guide rail, and is located above the baffle plate, the second linear guide rail motor is connected with the second linear guide rail, and drives the push rod to move forward to move the pulp Push out from the bezel. 3. The vertical semi-automatic lychee peeling and pitting machine according to claim 1, wherein the turntable mechanism includes a disc and a servo motor; the disc is installed horizontally, and the positioning hole is an arc-shaped through hole The structure is arranged on the disc, and the upper opening is larger than the lower opening; the servo motor is connected with the disc to drive the disc to rotate intermittently. 4. vertical semiautomatic lychee pitting and peeling machine according to claim 1, is characterized in that, also comprises the reset switch that is used to mark mechanical zero, described reset switch adopts infrared sensor or photoelectric switch, described reset switch and The controller is connected and installed on the first linear guide rail, the second linear guide rail and the disc respectively. 5. vertical semi-automatic lychee pitting and peeling machine according to claim 1, is characterized in that, also comprises frame, workbench, electric control box, main switch, DC motor switch and servo motor switch; Described workbench and the electric control box are installed on the frame, and the turntable mechanism, pre-cutting mechanism, coring and peeling mechanism and waste shell removal mechanism are all set on the workbench, and the controller is respectively connected with the electric control box, the main switch, the DC Motor switch and servo motor switch connection. 6. The vertical semi-automatic lychee pitting and peeling machine according to claim 1, wherein the cutting head of the pitting knife is sunken inward. 7. The vertical semi-automatic lychee removing and peeling machine according to claim 1, wherein the circular hole is configured as a flower-shaped hole, and the aperture is 23 millimeters. 8. The vertical semi-automatic lychee removing and peeling machine according to claim 1, wherein the diameter of the upper opening of the positioning hole is 32 millimeters, and the diameter of the lower opening is 24 millimeters. 9. The vertical semi-automatic lychee pitting and peeling machine according to claim 1, wherein the circular blade is installed at a height of 7 mm from the disc. 10. The vertical semi-automatic lychee removing and peeling machine according to claim 1, wherein the peeling knife adopts an outer diameter of 20 millimeters and an inner diameter of 16 millimeters of stainless steel pipe.