CN109602030B - A section equipment that denucleates for preserved fruit production - Google Patents

Abstract

The invention discloses a denucleation slicing device for preserved fruit production, which comprises a support frame, a conveying device for conveying materials, a driving device for driving the conveying device to convey materials and a processing device for denucleating and slicing fruits, wherein the conveying device is used for conveying the materials; the conveying device comprises a chain plate capable of moving back and forth, a plurality of conveying hoppers uniformly distributed on the chain plate and an arc-shaped surface arranged on the conveying hoppers; the supporting frame is provided with a feeding device for guiding fruits into the conveying hopper; according to the fruit conveying device, the fruits can be automatically guided into the conveying hopper through the feeding device, and the fruits need to be manually placed one by workers, so that the fruit conveying device is convenient, rapid, simple, efficient, time-saving and labor-saving, and the production efficiency is greatly improved.

Description

A kind of pitting and slicing equipment for dried fruit production

technical field

The invention belongs to the technical field of preserved fruit production equipment, and in particular relates to a pitting and slicing device for the production of preserved fruit.

Background technique

With the continuous improvement of living standards, people are more and more particular about the consumption of fruits. In addition to fresh fruits, preserved fruits with high nutritional value are also people's favorite snacks.

In the production process of preserved fruit, it is necessary to wash, peel, de-nucleate, cut, fumigate, soak in sugar, dry, etc. multiple process steps. Due to the complex process and large output, mechanical processing is often used first, as disclosed in Chinese patent CN207125276U A hawthorn corer, comprising a bracket, the upper part of the bracket is provided with a grabbing mechanism, the lower part is sequentially provided with a feeding conveyor belt and a denucleating mechanism, the grabbing mechanism includes a horizontal telescopic mechanism, and the horizontal telescopic mechanism There is a lifting mechanism on the lifting mechanism, and several air claws are arranged on the lifting mechanism; the feeding conveyor belt is used for conveying hawthorn; the denucleating mechanism includes a number of denucleating knives and a rotating mechanism, and the rotating mechanism drives the denucleating knife action.

Although the above-mentioned equipment can stably and efficiently separate the fruit cores, it still requires manual feeding, and the manual labor is often unable to keep up with the rapid operation of the machine, resulting in reduced production efficiency.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the present invention provides a pitting and slicing device for the production of preserved fruit that can be automatically loaded.

In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a kind of pitting and slicing equipment for the production of preserved fruit, comprising a support frame, a conveying device for conveying materials, a driving device for driving the conveying device to convey materials, and a driving device for feeding A processing device for fruit pitting and slicing; the conveying device includes a chain plate that can move back and forth, a plurality of hoppers evenly arranged on the chain plate, and an arc surface arranged on the hopper; the support frame There is a feeding device for introducing the fruits into the hopper; through the setting of the feeding device, the fruits can be automatically introduced into the hopper, which requires the staff to manually place them one by one, which is convenient, fast and simple Efficient, time-saving and labor-saving, greatly improving production efficiency.

Further, the feeding device includes a feeding hopper matched with the conveying hopper, a discharge port provided on the feeding hopper, an opening adjustment structure for changing the size of the discharge port, and an opening adjustment structure for adjusting the size of the discharge port. The height adjustment rod of the upper hopper and the valve structure matched with the discharge port; through the setting of the upper hopper, the fruits only need to be poured into the upper hopper, and the fruits will enter in turn under the action of the upper hopper. In the hopper; the opening adjustment structure plays the role of adjusting the size of the discharge port, so that the discharge port can adapt to fruits of different fruit diameters, ensuring that the fruits can enter the hopper in sequence; the height adjustment rod is used to adjust the discharge. The distance between the port and the hopper allows only one fruit to fall into the hopper at a time, thus ensuring that the fruit in the hopper can be efficiently pitted and sliced; the valve device further ensures the output of the outlet, Avoid falling fruit when the hopper is not under the outlet.

Further, the upper hopper includes a feeding port, an inclined side wall, a plurality of guides evenly arranged on the side wall, and a baffle plate matched with the feeding port; It is set so that the fruit can enter the feeding hopper from the feeding port, and the baffle plate prevents the fruit from running out of the feeding hopper; the inclined side wall makes the fruit easy to roll off and feeding; The feeding port is divided into a plurality of small ports, which correspond to the hopper one by one, which is convenient for the feeding hopper to accurately send the fruit into the hopper.

Further, the opening adjustment structure includes an adjustment plate that can move back and forth, an adjustment shaft disposed on the adjustment plate, and a positioning assembly for fixing the adjustment shaft; through the arrangement of the above structure, the adjustment plate can be rotated back and forth. , thereby changing the size of the discharge port, so that the fruits can only be discharged one by one into the hopper from the discharge port, so as to ensure that the fruits can be cored and cut stably and efficiently.

Further, the positioning assembly includes a positioning rod fixedly connected with the adjustment shaft, a threaded hole provided on the positioning rod, a threaded rod matched with the threaded hole, and a knob provided on the threaded rod ; Through the arrangement of the above structure, when the adjusting plate is rotated to a suitable position, the threaded rod can be fixed on the outer surface of the upper hopper by turning the knob, so as to achieve the purpose of fixing the adjusting plate, the structure is simple, and the coordination is stable. Easy to operate and low failure rate.

Further, the guide member is provided with an inclined guide surface and a vertical limit surface; the adjustment plate is provided with an adjustment groove for the guide member to pass through; The discharge port is divided into multiple openings corresponding to the hopper, and the guide surface guides the fruit into each opening, so that the fruit can be discharged from the multiple openings more evenly; the adjustment groove allows the adjustment plate to go back and forth. Turn to adjust the size of the spout without being interfered by the guide.

Further, the valve structure includes a door plate that can move back and forth, a plate groove for the door plate to move back and forth, and a reset component matched with the door plate; When passing below, the door panel will open the discharge port, so that the fruit can fall into the hopper. While the purpose of feeding, it will not leak the fruit, save time and effort, greatly reduce the workload of the staff, and greatly improve the processing efficiency of the fruit.

Further, the reset assembly includes a door panel frame detachably connected to the upper hopper, a slide plate arranged on the door panel, and a reset member whose one end acts on the door panel frame, and the other end of the reset member acts on the door panel frame. Through the arrangement of the above structure, the door panel will reset to block the discharge port after losing the effect of external force, so as to prevent the fruit from leaking on the chain plate, the structure is simple and effective, the coordination is stable, and the failure rate is low.

Further, the door panel is provided with a stopper, and the hopper is provided with a dial matched with the stopper; the dial is provided with a guide surface; through the arrangement of the above structure, the hopper and the door panel are formed. A cooperation is formed between them to ensure that the door panel will open the discharge port when the hopper moves to the bottom of the discharge port, and when the hopper moves from below the discharge port, the door panel will close the discharge port again. The structure is simple and the coordination is stable. ; And the guide surface plays the role of pouring the fruit into the hopper.

Further, the adjusting rod includes an inner rod body that can move back and forth, an outer rod used for the back and forth action of the inner rod body, a fixing block arranged on the inner rod body, and an adjusting button for fixing the inner rod body; Through the arrangement of the above structure, the overall height of the upper hopper can be adjusted, so that the distance between the discharge port and the conveying hopper can be adjusted according to the diameter of the fruit, so as to ensure that after a fruit falls into the conveying hopper, subsequent fruits will be It can withstand and cannot fall, which is convenient for the valve structure to close the discharge port.

To sum up, the present invention, through the setting of the feeding device, enables the fruits to be automatically introduced into the hopper, requiring the staff to manually place them one by one, which is convenient, quick, simple and efficient, saves time and effort, and greatly improves the production efficiency. .

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

2 is a cross-sectional view of a three-dimensional structure of the present invention;

Fig. 3 is the enlarged schematic diagram of A place in Fig. 2;

Fig. 4 is the enlarged schematic diagram at B in Fig. 2;

5 is a schematic diagram of the three-dimensional structure of the matching of the core removal rod and the tank cleaning assembly in the present invention;

Figure 6 is a schematic diagram of a cross-sectional structure of the matching of the core removal rod and the tank cleaning assembly in the present invention;

Fig. 7 is the enlarged schematic diagram of C place in Fig. 6;

8 is a schematic three-dimensional structure diagram of Embodiment 2 of the present invention;

Fig. 9 is the enlarged schematic diagram of D place in Fig. 8;

Fig. 10 is the three-dimensional structure schematic diagram of the feeding device in Embodiment 2 of the present invention;

Fig. 11 is the enlarged schematic diagram at E in Fig. 10;

12 is a cross-sectional view of the three-dimensional structure of the feeding device in Embodiment 2 of the present invention;

Fig. 13 is the three-dimensional structural schematic diagram of the valve structure in Embodiment 2 of the present invention;

FIG. 14 is an enlarged schematic view of F in FIG. 13 .

Detailed ways

Example 1:

As shown in Figures 1-7, a pitting and slicing equipment for the production of preserved fruit includes a support frame 1, a conveying device, a driving device and a processing device; the driving device includes a driving wheel 51, a driven wheel 54, a driving shaft 53, a The moving shaft 55, the driving member 52 and the shock-absorbing table 56; the driving member is a stepping motor purchased on the market, which is the prior art, so it will not be repeated here; the driving wheel and the slave wheel are gear disks; the motor Bolts are connected to the shock-absorbing table, which can not only support and fix the motor, but also absorb the vibration of the motor; the driving shaft is keyed to the output end of the motor, and the driving wheel is installed on the driving shaft , is connected with the driving shaft key; the driven wheel is connected with the driven shaft key, and the driven shaft is connected with the bearing of the support frame; specifically, the support frame includes the main rod 11, the slave rod 14, the reinforcing rod 12, the fixed rod 15 and the installation platform 16; The main rod is connected with the drive shaft bearing for supporting and fixing the driving shaft; the slave rod is connected with the driven shaft bearing for supporting and fixing the driven shaft; one end of the reinforcing rod is connected with the main rod bolt, and the other end is connected with the slave rod The bolt connection plays the role of strengthening the structure of the support frame; the fixing rod is bolted to the reinforcing rod, and the mounting platform is bolted to the top of the fixing rod.

Specifically, the conveying device includes a chain plate 41, a hopper 42 and a de-nucleating hole 43; the chain plate is installed on the driving wheel and the driven wheel, and meshes with both the driving wheel and the driven wheel, so that the chain plate can be driven by the driving wheel. move, thereby driving the driven wheel to rotate; multiple hoppers are evenly installed on the chain plate, which can move with the rotation of the chain plate, and play the role of transporting fruits (due to the drawing reasons in the drawings, only one side is drawn In actual production, the hopper is covered with the entire chain plate); the hopper is a circular cone shape with openings on the upper and lower sides, and the diameter of the upper part of the hopper is larger than the diameter of the lower part, so that the hopper can transport different fruit diameters. The fruit is convenient for fixing the fruit; a plurality of pitting holes corresponding to the hopper are opened on the chain plate, so that the pitting rod 21 can pass through the pitting hole after taking out the pit of the fruit, which is convenient for discharging the pit.

Specifically, the processing device includes a core removal structure, a power structure and a slice structure; the core removal structure includes a core removal rod 21, a core removal tank 22 and a tank cleaning assembly; the power structure includes a driving plate 35, a power member 36, a connecting rod 37 and Fixing assembly; the power piece is a commercially available cylinder, which is the prior art, so it will not be repeated here; the cylinder is installed on the installation table, and the connecting rod is bolted to the output end of the cylinder; the upper surface of the drive plate is connected to the The rod is welded; the pitting rod is bolted on the lower surface of the driving plate; so that the cylinder can move up and down by driving the connecting rod, thereby driving the driving board to move up and down, and then driving the pitting rod to move up and down to realize the pitting of the fruit; If you just use the pitting rod to poke out the fruit, it is easy to smash the fruit and affect the pitting effect. Therefore, in order to make the pitting effect better, a pitting groove is opened at the lower end of the pitting rod. And because the transport hopper is in the shape of a circular cone, there is an arc-shaped surface 422 inside, so that the fruit in the transport hopper is always located in the middle of the transport hopper, which is convenient for the pitting groove to align with the core, pitting rod, pitting groove, pitting hole and The pits are located in a straight line, thus ensuring that the pits can be removed without destroying the fruit.

Because the fruits are mostly round or oval, during the pitting process, the fruits are easily deflected, so that when the pitting rod is pressed on the fruit, it is easy to slip, causing the pitting failure. In order to solve this problem, a fixed component is installed. The fixed assembly includes a limit rod 38, a fixed plate 39 and a limit block 381; the limit rod is bolted on the lower surface of the drive plate, located on both sides of the drive plate, the fixed plate is located below the drive plate, and there are many A through hole for the limit rod and the denucleating rod to slide back and forth; a limit block is welded on the lower end of the limit rod to prevent the fixing plate from coming out of the limit rod; When driven to descend, the fixed plate will descend with the drive plate, and when the fixed plate touches the fruit, it will stop descending, and the fruit will be fixed in the hopper by its own gravity, while the limit rod and the pitting rod are It can continue to descend to complete the work of removing the core of the fruit, and due to the fixing of the fixing plate, the fruit is not easy to deflect and slip, thus ensuring that the core removing rod can remove the fruit core stably and efficiently; when the driving plate rises, due to the limit The function of the block, the fixed plate will also rise along with it, so that the fruit that needs to be pitted later can enter the pitting station.

Since the fruit core will be embedded in the de-nucleating tank, if it is not cleaned, it will cause the blockage of the de-nucleating tank, which will affect the subsequent de-nucleating effect and easily cause bacteria to breed. Trough assembly, the trough cleaning assembly includes a casing 29, a cleaning rod 23, a first rod groove 24, a driving rod 25, a second rod groove 26 and a transmission assembly; the transmission assembly includes a transmission wheel 31, a transmission shaft 32 and a transmission belt 34; A rod groove 24 and a second rod groove are both opened in the housing, the cleaning rod is installed in the first rod groove and can slide back and forth along the first rod groove; the driving rod is installed in the second rod groove and can slide along the second rod groove The rod slot slides back and forth; a cleaning slot 211 is set on the de-nuclear rod, so that the cleaning rod can pass through the cleaning slot and enter the de-nucleation slot; the transmission shaft is connected with the casing and can be rotated on the casing, and the transmission wheel is a gear , is connected with the transmission shaft key, and meshes with the cleaning rod, the transmission belt is installed on the transmission shaft, one end is fixed with the transmission shaft, and the other end is fixed on the driving rod; Drive the driving rod to descend, the driving rod will pull the transmission belt, thereby driving the transmission shaft to rotate, and the rotation of the transmission shaft will drive the cleaning rod to move, protrude from the first rod groove, and extend into the denuclearization groove through the cleaning groove ; At this time, the pitting rod rises again, the cleaning rod will slide along the cleaning groove, and the core in the pitting groove will be pulled out of the pitting groove; and in order to make the cleaning rod retract back into the first rod groove, on the cleaning rod A first inclined surface 231 is set up, and a second inclined surface 212 is set on the cleaning groove, so that when the pitting rod rises to the preset position, after the cleaning rod pulls out the core from the pitting groove, the cleaning rod That is, under the action of the first inclined surface and the second inclined surface, it will withdraw from the cleaning tank and retract into the first rod groove, so that the cleaning rod can clean the core removal groove without affecting the core removal rod. When the cleaning rod is retracted into the first rod groove, it will drive the transmission wheel to rotate, thereby driving the transmission shaft to rotate, rolling up the transmission belt for storage, and then driving the driving rod to rise and return to the preset Set the position to facilitate the next cooperation between the driving rod and the pitting rod, so that after the pitting rod takes out the fruit core, the cleaning rod can clean up the core in the pitting tank to prevent the pitting tank from being blocked or bacteria. breed.

In order to facilitate the fixing of the housing 29, two first brackets 151 are bolted on the fixing rod, two second brackets 152 are bolted between the two first brackets 151, and then between the two second brackets 152 The two third brackets 153 are connected by bolts, and the shell 29 is screwed with the third bracket, so that the shell is fixed on the bracket, no matter how the chain plate moves, the core rod can always form a stable cooperation with the cleaning assembly , pull out the fruit core in the pitting groove; meanwhile, the support can play the role of strengthening the structure of the support frame.

In order to facilitate the cooperation between the driving rod and the denuclearizing rod, a driving ring 251 is installed on the driving rod. The inner diameter of the driving ring is the same as the inner diameter of the denuclearizing groove, so that the denuring rod can just act on the driving ring when it descends. up, and then drive the driving rod to descend, and at the same time, the driving ring will not affect the discharge of the core from the pitting tank, nor will it affect the lifting and lowering of the pitting rod.

In order to prevent the cores discharged from the pitting tank from falling into the equipment and affecting the operation of the equipment, a guide basket 13 is installed under the pitting rod, and two ends of the guide basket are respectively connected with a bottom rod by screws. 133, the bottom rod is connected with the reinforcing rod bolts, so that the guide basket is fixed under the pitting rod, which is convenient for guiding the blue to collect fruit cores; the bottom surface 131 of the guide basket is inclined, and a baffle 132 is installed on the three sides of the bottom surface. , the lowest part of the bottom surface is an opening, so that after the fruit core falls into the guide basket, even if it bounces up, it will be blocked by the baffle, so as to prevent the fruit core from falling into the equipment and affecting the operation of the equipment, and the inclined bottom surface also makes the fruit core The pits and juice can slide down to the additional collection box along the bottom surface, preventing the pits and juice from falling into the equipment or accumulating in the guide basket to cause the growth of bacteria, ensuring the hygiene and safety of the equipment.

Specifically, the slicing structure includes a blade 44, a first knife edge 45, a second knife edge 46 and a third knife edge 47; the blade is installed in the middle of the core removal rod, the first knife edge is provided on the fixing plate, and the second knife edge runs through the hopper, The hopper is divided into a plurality of fixed pieces 421. In this embodiment, the number of blades is 6, so each knife edge is also 6 knife grooves, and the hopper is also divided into 6 fixed pieces; the third knife edge is opened at The chain plate; the first knife edge, the second knife edge and the third knife edge are located on the same vertical line, which is convenient for the blade to pass through; because the blade is installed on the core removal rod, when the core removal rod completes the core removal work and continues to descend, the blade The fruit will be cut, and the slicing work will be completed, which saves time and labor, is simple and efficient, and does not need to use another equipment or structure to slice the fruit, which greatly reduces the equipment cost and time cost.

Example 2:

As shown in Figures 8-14, the difference between this embodiment and Embodiment 1 is that a feeding device is installed, and the feeding device includes a feeding hopper 61, an opening adjustment structure, an adjusting rod 62 and a valve structure; The top of the chain plate corresponds to the hopper; the upper hopper includes a discharge port 611, a feed port 612, a side wall 613, a guide 614 and a baffle plate 615; the discharge port is located below the upper hopper, and the feed port Located above the upper hopper, the outlet is smaller than the inlet, which makes it easy to add fruit to the upper hopper, while the fruit is discharged slowly, which is convenient for the hopper to catch; the side wall of the upper hopper is inclined, which makes the fruit easier It slides out from the outlet along the side wall; a baffle plate is installed on the upper surface of the upper hopper to surround the three sides of the inlet, so as to prevent the fruit from falling out of the upper hopper when the fruit is poured into the upper hopper Leakage will cause unnecessary waste; the guide is installed at the lower end of the upper hopper, and the two outlets are divided into 5 small openings, so that the 5 small openings correspond to the hopper on the chain plate.

Specifically, the opening adjustment structure includes an adjustment plate 63, an adjustment shaft 64 and a positioning assembly; the positioning assembly includes a positioning rod 65, a threaded hole 651, a threaded rod 66 and a knob 661; the adjustment plate is installed at the discharge port, and one end of the adjustment shaft is welded On the adjustment plate, the other end passes through the through hole opened on the upper hopper, so that the adjustment plate can be rotated back and forth to adjust the size of the discharge port, so that fruits of different diameters can be discharged from the discharge port. And the fruits can be discharged one by one from the discharge port and fall into the hopper, so as to facilitate the subsequent pitting and slicing; and in order to make the adjustment plate can be fixed after being adjusted to a suitable position, a piece is welded on the adjustment shaft. The positioning rod 65 has a threaded hole on the positioning rod, and the screw rod 66 passes through the threaded hole and is screwed with the threaded hole, so that when the adjustment plate needs to be fixed, the threaded rod is screwed inward, so that the threaded rod and the The outer surface of the upper hopper can be fixed in close contact; and in order to facilitate the screwing of the threaded rod, a knob 661 is screwed on the threaded rod.

In order to enable the fruit to be better discharged from the discharge port, a vertically arranged limit surface 6142 is set on the guide member, which separates the discharge port into small spaces one by one. The inclined guide surface 6141 enables the fruit to be discharged into a small space under the action of the guide surface, so as to be discharged into the hopper one by one from the discharge port; and in order to prevent the guide from affecting the rotation of the adjustment plate , 4 adjusting grooves 631 are set on the adjusting plate, so that when the adjusting plate rotates, the guide piece can pass through the adjusting groove, which does not affect the rotation of the adjusting plate and prevents the fruit from leaking.

Specifically, the valve structure includes a door panel 67, a panel groove 681 and a reset assembly; the reset assembly includes a door panel frame 68, a sliding plate 671 and a reset member 69, and the reset member is a spring; the door panel frame is installed on the bottom surface of the guide and the upper hopper. The side walls are respectively connected with the two screws, the plate groove is opened on the door frame, the door plate is installed in the plate groove, and can slide back and forth along the plate groove to open and close the discharge port; and then the door plate is located in the plate groove. A sliding plate 671 is welded on one side of the door, and the reset piece is installed in the board groove; one end of the reset piece is clamped with the bottom surface of the board groove, and the other end is clamped with the slide plate, so that the door panel slides along the board groove under the action of external force And after opening the discharge port, when the external force is lost, the discharge port can be closed again under the action of the reset piece to prevent the fruit from leaking.

In order to form cooperation between the valve device and the hopper, a stopper 672 is welded on the door plate, and a dial 48 is installed on the hopper. The part of the upper end of the dial in contact with the baffle is made of elastic metal material so that when the hopper moves under the driving of the chain plate, the dial block will first contact the block, thereby pushing the block, making the door plate slide along the plate groove, and opening the discharge port, and the fruit in the discharge port will be It will roll from it into the hopper; after reaching the preset position, due to the increase of the elastic force of the reset piece, the dial block is deformed, so that the dial block and the stop block are separated, so that the door panel slides back under the action of the reset piece, and then again The outlet is closed to prevent the fruit from leaking out when the hopper is not aligned with the outlet; and in order to make the fruit fall into the hopper better, a guide surface 481 is provided on the dial.

Specifically, the adjustment rod 62 includes an inner rod body 621, an outer rod 622, a fixing block 623 and an adjustment button 67; the outer rod is welded on the reinforcing rod and is a hollow cylinder; the inner rod is installed in the outer rod, and can follow the outer rod The inner wall of the hopper slides back and forth; the fixing block bolts are connected to the top of the inner rod body, and one of the sides is connected to the upper hopper bolt; thus, by sliding the inner rod body, the height of the upper hopper can be adjusted, and then the distance between the discharge port and the hopper can be adjusted. so that when a fruit falls into the transport hopper from the discharge port, the fruit in the discharge port will be held up by the fruit in the transport hopper to prevent excess fruit from falling, so that the door panel can re-close the discharge port; In order to make the upper hopper still cooperate with the conveying hopper after the height of the hopper is changed, a disassembly and assembly hole is opened on the block, and an additional block can be installed, so that the dial can always cooperate with the block and push the door plate to move; and in order to After the upper hopper is adjusted to a suitable height, it can be fixed at the height, and an adjustment button 67 is installed on the outer rod; a support cylinder is installed on the outer rod, and a through hole is opened in the support cylinder to communicate with the inside and outside of the outer rod , the adjustment button is installed in the through hole, the through hole is provided with an inner thread, and the rod body of the adjustment button is provided with an outer thread, so that the two form a threaded connection, when the hopper needs to be fixed, just tighten the adjustment button, The inner rod body can be fixed in the outer rod, so as to fix the upper hopper.

Claims (5)

1. A denucleate slicing apparatus for preserved fruit production, including the supporting arm (1), the conveying appliance used for transporting the material, used for driving the driving device transporting the material and used for the processing unit to denucleate slice for fruit; the conveying device comprises a chain plate (41) capable of moving back and forth, a plurality of material conveying hoppers (42) uniformly distributed on the chain plate (41) and an arc-shaped surface (422) arranged on the material conveying hoppers (42); the method is characterized in that: a feeding device for guiding fruits into the conveying hopper (42) is arranged on the supporting frame (1);

the feeding device comprises a feeding hopper (61) matched with the conveying hopper (42), a discharge hole (611) formed in the feeding hopper (61), an opening adjusting structure used for changing the size of the discharge hole (611), an adjusting rod (62) used for adjusting the height of the feeding hopper (61) and a valve structure matched with the discharge hole (611);

the opening adjusting structure comprises an adjusting plate (63) capable of moving back and forth, an adjusting shaft (64) arranged on the adjusting plate (63) and a positioning assembly used for fixing the adjusting shaft (64);

the valve structure comprises a door plate (67) capable of moving back and forth, a plate groove (681) used for enabling the door plate (67) to move back and forth, and a reset assembly matched with the door plate (67); the reset assembly comprises a door panel frame (68) detachably connected with the feeding hopper (61), a sliding plate (671) arranged on the door panel (67) and a reset piece (69) with one end acting on the door panel frame (68), and the other end of the reset piece (69) acts on the sliding plate (671); a stop block (672) is arranged on the door plate (67), and a shifting block (48) matched with the stop block (672) is arranged on the material conveying hopper (42); the shifting block (48) is provided with a guide surface (481).

2. A coring and slicing apparatus for preserved fruit production as claimed in claim 1, wherein: go up hopper (61) including feed inlet (612), be the lateral wall (613) of slope setting, a plurality of evenly lay in guide (614) on lateral wall (613) and with feed inlet (612) matched with striker plate (615).

3. A coring and slicing apparatus for preserved fruit production as claimed in claim 2, wherein: the positioning assembly comprises a positioning rod (65) fixedly connected with the adjusting shaft (64), a threaded hole (651) formed in the positioning rod (65), a threaded rod (66) matched with the threaded hole (651), and a knob (661) arranged on the threaded rod (66).

4. A coring and slicing apparatus for preserved fruit production as claimed in claim 3, wherein: the guide piece (614) is provided with a guide surface (6141) which is obliquely arranged and a limit surface (6142) which is vertically arranged; an adjusting groove (631) for the guide piece (614) to pass through is arranged on the adjusting plate (63).

5. A coring and slicing apparatus for preserved fruit production as claimed in claim 1, wherein: the adjusting rod (62) comprises an inner rod body (621) capable of moving back and forth, an outer sleeve rod (622) used for enabling the inner rod body (621) to move back and forth, a fixing block (623) arranged on the inner rod body (621) and an adjusting button (67) used for fixing the inner rod body (621).

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