CN119898566A - A clamping type telescopic fork cargo platform and storage and retrieval method - Google Patents

Abstract

The invention discloses a clamping type telescopic fork carrying platform which comprises a carrying platform rack, a storage and taking position conveying belt, two groups of telescopic fork assemblies and a plurality of groups of clamping type fork assemblies which are symmetrically arranged, wherein the storage and taking position conveying belt is provided with two groups of corresponding two storage and taking stations and respectively and independently works through a power roller to enable the two groups of storage and taking position conveying belts to independently convey and take-in bins, the two groups of telescopic fork assemblies are symmetrically arranged on two sides of the storage and taking position conveying belt in the conveying direction, the two groups of telescopic fork assemblies synchronously move along the conveying direction of the storage and taking position conveying belt, and the plurality of groups of clamping type fork assemblies are symmetrically distributed on the two groups of telescopic fork assemblies and act together with the clamping type fork assemblies to realize that the bins are stored and taken-in between a goods shelf and the storage and taking position conveying belt. Compared with a traditional tray type telescopic fork, the cargo carrying platform can be used for storing and taking one cargo at a time and can be used for storing and taking two cargos at the same position or different positions at a time, and the storage and taking efficiency is greatly improved.

Description

Clamping telescopic fork cargo carrying platform and storing and taking method

Technical Field

The invention relates to the technical field of logistics equipment, in particular to a clamping telescopic fork cargo table and a storage and retrieval method.

Background

In the scene of storing and taking workbin formula goods on the market at present, common logistics equipment is the shuttle, and the shuttle can be on fixed track fast running, accurate access goods is applicable to complicated storage environment, does not receive the restriction of place, road and slope. However, the shuttle has a plurality of problems, such as that when the shuttle is used for exchanging layers and taking goods, the shuttle must be matched with a lifting machine to complete tasks, and the integration of multiple systems needs to have higher technical requirements and maintenance capability.

Most of traditional stackers are tray type telescopic forks, and are suitable for processing large heavy goods. Compared with a shuttle, the system has the advantages that the system can exchange layers for taking goods on different goods shelves without being matched with other equipment, but the efficiency of taking goods in a material box type is lower than that of the shuttle because the system can only take one piece of goods each time.

Disclosure of Invention

The invention aims to provide a clamping telescopic fork cargo carrying platform and a storage and taking method, which are suitable for storing and taking workbin type cargos, and the cargo carrying platform can store and take two cargos in a single operation, so that the storage and taking efficiency is effectively improved.

In order to solve the technical problems, the invention provides a clamping type telescopic fork carrying platform which comprises a carrying platform rack, a storage and retrieval position conveying belt, two groups of telescopic fork assemblies and a plurality of groups of symmetrically arranged clamping type fork assemblies;

the cargo carrying platform frame is of an L-shaped structure and is used as a basic frame of the whole cargo carrying platform;

The two groups of the storage and taking conveyer belts are respectively and independently operated through a power roller, so that the storage and taking conveyer belts can independently convey storage and taking feed boxes;

The two groups of telescopic fork assemblies are symmetrically arranged on two sides of the conveying direction of the storage and retrieval position conveying belt, and synchronously move along the conveying direction of the storage and retrieval position conveying belt;

the clamping type shifting fork assemblies are symmetrically distributed on the two telescopic fork assemblies, and are combined with the clamping type shifting fork assemblies to realize that the material box is stored and taken between the goods shelf lattice and the storage and taking position conveying belt.

Preferably, the telescopic fork assembly comprises a fixed outer plate, a middle fork plate and an inner fork plate;

the fixed outer side plate is fixedly arranged on the side edge of the storage and retrieval position conveying belt and used as a base of the telescopic fork assembly;

a first sliding guide rail is arranged between the fixed outer side plate and the middle fork plate, and the middle fork plate can extend outwards along the first sliding guide rail;

And a second sliding guide rail is arranged between the middle fork plate and the inner fork plate, and the inner fork plate can extend outwards along the second sliding guide rail.

Preferably, the inner side of the fixed outer side plate is also provided with a synchronous pulley assembly, external teeth of a synchronous belt in the synchronous pulley assembly are meshed with racks at the bottom of the middle fork plate, and the synchronous belt is driven to run along with the fork stretching motor, so that the middle fork plate is driven to extend outwards.

The differential pulley assembly is arranged between the middle fork plate and the inner fork plate, two differential wheels of the differential pulley assembly are respectively arranged at two ends of the middle fork plate, two level-carrying belts respectively wind the differential wheels to two sides of the middle fork plate, one end of the level-carrying belts is fixed with the outer side plate through the flat pressing plate, the other end of the level-carrying belts is fixed with the inner fork plate through the opposite side flat pressing plate, and when the middle fork plate moves in a certain direction, under the action of the differential wheels, the level-carrying belts drive the inner fork plate to move in the same direction at twice as the speed.

Preferably, the number of the clamping type shifting fork assemblies is six, two and three, and the clamping type shifting fork assemblies are respectively positioned at the front, middle and rear positions of the inner fork plate and move the feed box in a clamping mode; each clamping type shifting fork assembly comprises a shifting fork and a shifting fork motor, wherein the shifting fork motor is electrically connected with the electrified leather and drives the shifting fork to switch between a horizontal clamping state and a vertical reset state under the action of the shifting fork motor;

The inner layer of the belt is wrapped with two wires, so that the wires can move and simultaneously convey electricity for fixing the end heads of the outer side plates to the other end of the belt of the inner fork plate, a long waist through hole is formed in the position of the fixed flat pressing plates at the two ends of the inner fork plate, and the wires bypass the second sliding guide rail through the long waist through hole to supply electricity to the shifting fork assembly;

the belt is provided with two belt-carrying belts, one belt is used for supplying power to the three groups of shifting fork assemblies, and the other belt is used for communicating with the three groups of shifting fork assemblies to perform state switching control on the three groups of shifting fork assemblies.

Preferably, the three groups of clamping type shifting fork assemblies correspond to two groups of two storage stations of the storage and taking position conveying belt and simultaneously correspond to two continuous goods lattice positions in the goods shelf, and the clamping type shifting fork assemblies clamp type material boxes are stored and taken between goods lattice of the goods shelf and the storage and taking position conveying belt along with the expansion of the inner fork plates.

Preferably, the cargo carrying platform frame is of an L-shaped structure and comprises a horizontal frame and a vertical frame, wherein the horizontal frame is used for installing a horizontally extending storage and retrieval conveyer belt, the vertical frame is provided with a lifting synchronous belt clamping piece, and the lifting synchronous belt clamping piece is connected with a lifting synchronous belt of the stacker so as to drive the cargo carrying platform to lift along the vertical direction.

Preferably, the vertical frame is also provided with a lifting guide wheel assembly and a side guide wheel assembly;

The lifting guide wheel assemblies comprise guide wheels, eccentric shafts, adjusting plates, hexagonal nuts and thin nuts, wherein a group of lifting guide wheel assemblies are respectively arranged on two sides of a guide rail of the vertical frame and form clamping situations to the guide rail, and two groups of lifting guide wheel assemblies are respectively arranged at the upper, lower, left and right positions of the cargo carrying platform and clamp the guide rail so as to enable the cargo carrying platform to be stable in a guide rail surface, and the cargo carrying platform is lifted and moved along the guide rail surface under the traction of a lifting synchronous belt;

The side guide wheel assembly comprises a side guide wheel support, an adjusting base plate, side guide wheels, guide wheel shaft welding pieces, shaft fixing screws and mounting screws, wherein a group of side guide wheel assemblies are clamped on side plates of the vertical frame at four corner positions of the vertical frame respectively, the adjusting base plate consists of thin plates with different thicknesses, the guide wheel shaft welding pieces penetrate through the side guide wheel support, are fixed in threaded holes through the shaft fixing screws and do not synchronously rotate with the side guide wheels, and finally are fixed on the side plates of the cargo carrying platform through the mounting screws.

Preferably, the vertical frame is further provided with a speed reduction bracket for installing a first distance detection sensor and a stop bracket, and for installing a second distance detection sensor and a vertical laser reflector, and is a vertical distance detection matching component which matches with the vertical laser to detect the distance between the cargo carrying platform and the ground vertical laser sensor, so as to achieve the positioning in the height direction.

The invention also provides a storage and taking mode of the clamping type telescopic fork carrying platform, wherein the clamping type shifting fork assembly can realize three storage and taking modes under the telescopic condition of the telescopic fork assembly, in order to more clearly describe the storage and taking mode, in the embodiment, a storage and taking position conveyer belt which is closer to a goods shelf is defined as a second storage and taking station, and the other is a first storage and taking station;

Taking a single material box, and hooking the material box of the first goods lattice or the second goods lattice to a second storage station by two front shifting forks and two middle shifting forks in a clamping mode;

the single bin is stored, and the two front-position shifting forks and the two middle-position shifting forks push the bin on the second storage and taking station to the first goods lattice or the second goods lattice of the goods shelf in a clamping mode;

The two feed boxes at different positions are taken, and in the first position, the two front-position shifting forks and the two middle-position shifting forks hook a first feed box of a first goods lattice or a second goods lattice to a second access station in a clamping mode, and the feed box on the second access station is conveyed to the first access station under the action of an access position conveying belt;

The two front shifting forks and the two middle shifting forks push a first material box of the second access station to a first material lattice or a second material lattice of a goods shelf in a holding mode at a first position, and the material box on the first access station is conveyed to the second access station under the action of the access position conveying belt;

Two feed boxes at the same position are taken, two front-position shifting forks and two middle-position shifting forks hook the feed boxes of the second goods lattice in a clamping mode, two middle-position shifting forks and two rear-position shifting forks hook the feed boxes of the first goods lattice in a clamping mode, and the two feed boxes are respectively hooked to a first storage station and a second storage station;

The two feed boxes at the same position are stored, the two front-position shifting forks and the two middle-position shifting forks push the feed boxes on the second storage and retrieval station in a clamping mode, the two middle-position shifting forks and the two rear-position shifting forks push the feed boxes on the first storage and retrieval station in a clamping mode, and the two feed boxes are respectively pushed to the first goods lattice and the second goods lattice in the same depth direction.

Compared with the prior art, the invention has the beneficial effects that:

1. Compared with the traditional pallet type telescopic fork, the clamping telescopic fork cargo carrying platform can be used for storing and taking one piece of goods at one time and storing and taking two pieces of goods at the same position or different positions at one time, and the storage and taking efficiency is greatly improved;

2. the clamping telescopic fork cargo carrying platform is characterized in that six clamping type shifting fork assemblies are used for carrying out two-by-two grouping, three groups are respectively positioned at the front, middle and rear positions of an inner fork plate, and two cargo lattice cargo storing and taking tasks are realized in a clamping mode;

3. According to the clamping telescopic fork cargo carrying platform, the fork is used for moving cargoes on the goods shelf, and after the cargoes reach the inside of the cargo carrying platform, the cargoes are transported by using the storage and retrieval position conveying belt, so that the storage and retrieval efficiency can be further improved;

4. the shifting fork in the clamping telescopic fork carrying platform disclosed by the invention is used for pulling the goods by utilizing the clamping clamp, so that the load on the carrying platform frame is smaller during goods taking, the height of the stacker can be broken through, and the space utilization rate is further improved.

Drawings

FIG. 1 is an isometric view of a clamp type telescopic pallet fork load bed in a retracted state provided by the invention;

FIG. 2 is an isometric view of a pallet fork of the present invention;

FIG. 3 is a front view of the clip-on telescopic pallet of the present invention;

FIG. 4 is a schematic view of the structure of two sets of telescoping fork assemblies provided by the present invention;

FIG. 5 is a schematic view of the connection location of the differential wheel and the belt with electricity provided by the invention;

FIG. 6 is a schematic view of the internal structure of the telescopic fork assembly provided by the present invention;

FIG. 7 is a schematic view of the structure of the cargo pallet provided by the present invention;

FIG. 8 is a side view of the clip-on telescopic pallet fork load bed provided by the present invention;

FIG. 9 is a top view of a clamp type telescopic pallet fork load bed provided by the present invention;

FIG. 10 is a schematic diagram of a lifting guide wheel assembly provided by the present invention;

FIG. 11 is a schematic illustration of a side idler assembly according to the present disclosure.

In the figure, a loading table frame, a 101, a horizontal frame, a 102, a vertical frame, a2, a storage and retrieval position conveying belt, a 3, a telescopic fork assembly, a 301, a fixed outer side plate, a 302, a middle fork plate, a 3021, a rack, a 303, an inner fork plate, a 304, a first sliding guide rail, a 305, a second sliding guide rail, a 306, a synchronous pulley assembly, a 307, a differential pulley assembly, a 308, a differential pulley, a 309, a belt with a flat pressing plate, a 311, a long waist through hole, a 4, a clamp type shifting fork assembly, a 401, a shifting fork, a 402, a shifting fork motor, a5, a lifting synchronous belt clamping piece, a 6, a lifting guide pulley assembly, a 601, a guide wheel, a 602, an eccentric shaft, a 603, an adjusting plate, a 604, a hexagonal nut, a 605, a thin nut, a 7, a side guide pulley assembly, a 701, a side guide pulley bracket, a 702, an adjusting pad, a 703, a side guide pulley, a 704, a guide pulley shaft welding piece, a 705, a shaft fixing screw, a 706, a mounting screw, a 8, a speed reducing bracket, a 9, a stop bracket, a 10, and a vertical laser reflector.

Detailed Description

The invention is described in further detail below with reference to the attached drawings and specific examples. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

Furthermore, the described features, operations, and characteristics of the description may be combined in any suitable manner in various embodiments. Likewise, the steps or acts described in the methods may be sequentially modified in a manner readily apparent to those skilled in the art. Thus, the various orders within the specification, drawings, and so forth are for the purpose of describing a particular embodiment only, and are not necessarily the order in which they are to be followed unless otherwise indicated.

Examples

The invention provides a clamping type telescopic fork carrying platform, referring to fig. 1-3, which comprises a carrying platform rack 1, a storage and taking position conveying belt 2, two groups of telescopic fork assemblies 3 and a plurality of groups of clamping type shifting fork assemblies 4 which are symmetrically distributed, wherein the carrying platform rack 1 is of an L-shaped structure and is used as a basic frame of the whole carrying platform, the storage and taking position conveying belt 2 is provided with two groups corresponding to two storage and taking stations and is arranged on the carrying platform rack 1 in parallel, the two groups of storage and taking position conveying belts 2 respectively work independently through power rollers to enable the storage and taking position conveying belts to independently convey storage and taking boxes, the two groups of telescopic fork assemblies 3 are symmetrically distributed on two sides of the conveying direction of the storage and taking position conveying belt 2, the two groups of clamping type shifting fork assemblies 4 are symmetrically distributed on the two groups of telescopic fork assemblies 3 and act together with the clamping type shifting fork assemblies 4, and the storage and taking boxes are realized between the storage and taking boxes and the storage and taking position conveying belts 2.

Compared with the traditional pallet type telescopic fork, the clamping telescopic fork cargo carrying platform can be used for storing and taking one piece of goods at a time and storing two pieces of goods at the same position or different positions at a time, and the storage and taking efficiency is greatly improved.

Specifically, referring to fig. 4, the telescopic fork assembly 3 includes a fixed outer plate 301, a middle fork plate 302, and an inner fork plate 303, wherein the fixed outer plate 301 is fixedly mounted on a side edge of the access position conveyor 2 and is used as a base of the telescopic fork assembly 3, a first sliding rail 304 is disposed between the fixed outer plate 301 and the middle fork plate 302, the middle fork plate 302 can extend outwards along the first sliding rail 304, a second sliding rail 305 is disposed between the middle fork plate 302 and the inner fork plate 303, and the inner fork plate 303 can extend outwards along the second sliding rail 305.

Further, a synchronous pulley assembly 306 is further disposed on the inner side of the fixed outer side plate 301, and external teeth of the synchronous belt in the synchronous pulley assembly 306 are meshed with a rack 3021 at the bottom of the middle fork plate 302, and the synchronous belt is driven to operate along with the fork stretching motor, so as to drive the middle fork plate 302 to stretch outwards.

Further, referring to fig. 5 and 6, a differential pulley assembly 307 is further disposed between the middle fork plate 302 and the inner fork plate 303, two differential wheels 308 of the differential pulley assembly 307 are respectively mounted at two ends of the middle fork plate 302, two leveling belts 309 are respectively wound around the differential wheels 308 to two sides of the middle fork plate 302, two ends of the leveling belts 309 are respectively fixed to the outer side plate 301 by a leveling plate 310, one end is fixed to the inner fork plate 303 by an opposite leveling plate, and when the middle fork plate 302 moves in a certain direction, the leveling belts 309 drive the inner fork plate 303 to move in the same direction at twice as fast as the leveling belts under the action of the differential wheels 308.

In this embodiment, the clamping type fork assemblies 4 have six groups, two groups and three groups, and are respectively located at the front, middle and rear positions of the inner fork plate 303 to move the feed box in a clamping manner, each clamping type fork assembly 4 comprises a fork 401 and a fork motor 402, and the fork motor 402 is electrically connected with the belt 309 and drives the fork 401 to switch between a horizontal clamping state or a vertical reset state under the action of the fork motor 402.

Further, the inner layer of the belt 309 is wrapped with two wires, so that the wires can move and simultaneously convey the electricity fixing the end of the outer plate 301 to the other end of the belt 309 of the inner fork plate 303, and the positions of the flat pressing plates 310 fixed at the two ends of the inner fork plate 303 are respectively provided with a long waist through hole 311, and the wires can bypass the second sliding guide rail 305 through the long waist through holes 311 to supply the electricity to the fork assembly 4.

In this embodiment, there are two belt belts 309, one of which supplies power to the three sets of fork assemblies 4, and the other of which communicates with the three sets of fork assemblies 4 to perform state switching control.

The three groups of clamping type shifting fork assemblies 4 correspond to two groups of two storage and taking stations of the storage and taking position conveying belt 2 and simultaneously correspond to two continuous goods lattice positions in a goods shelf, and the clamping type shifting fork assemblies 4 clamp type material boxes along with the extension of the inner fork plates 303 store and take the goods lattice positions and the storage and taking position conveying belt 2.

Specifically, as shown in fig. 7, the cargo table rack 1 has an L-shaped structure, and includes a horizontal rack 101 and a vertical rack 102, where the horizontal rack 101 is used to mount a horizontally extending access position conveyor belt 2, and the vertical rack 102 is provided with a lifting synchronous belt clamping piece 5, and the lifting synchronous belt clamping piece 5 is connected with a lifting synchronous belt of the stacker, so as to drive the cargo table to lift along a vertical direction.

Specifically, as shown in fig. 8-11, the vertical frame 102 is further provided with a lifting guide wheel assembly 6 and a side guide wheel assembly 7.

Further, as shown in fig. 10, the lifting guide wheel assembly 6 includes a guide wheel 601, an eccentric shaft 602, an adjusting plate 603, a hexagonal nut 604 and a thin nut 605, a set of lifting guide wheel assemblies 6 are respectively arranged on two sides of a guide rail of the vertical frame 102, and form a clamping situation on the guide rail, two sets of lifting guide wheel assemblies 6 are respectively arranged at the upper, lower, left and right positions of the loading table, so that the loading table is stabilized in the guide rail surface, the loading table moves up and down along the guide rail surface under the traction of a lifting synchronous belt, the guide wheel 301 is made of a polyurethane rubber covered wheel rolling deep groove ball bearing, the operation noise is low, the friction force is high, the sliding is not easy, the high acceleration operation is suitable, the guide wheel 601 is sleeved on one side of the eccentric shaft 602 by the deep groove ball bearing, the other side is the adjusting plate 603, when the condition that the guide wheel 601 is not contacted with the guide rail occurs during the field installation, the guide wheel 601 is inserted into a hole of the eccentric shaft 602 to rotate, at this time, the guide wheel 601 moves transversely under the rotation of the eccentric shaft 602 so as to contact with the guide rail, the bolt hole of the adjusting plate 603 is fixed in rotation angle, the nut 605 is screwed together, and the thin nut 605 is screwed after the adjustment is completed.

Further, as shown in fig. 11, the side guide wheel assembly 7 includes a side guide wheel bracket 701, an adjusting pad 702, a side guide wheel 703, a guide wheel shaft welding member 704, a shaft fixing screw 705 and a mounting screw 706, wherein a group of side guide wheel assemblies 7 are respectively clamped on the side plates of the vertical frame 102 at four angular positions of the vertical frame 102 to ensure the stability of the cargo table in the direction of goods access and walking, the adjusting pad 702 is composed of thin plates with different thicknesses, when the rollers do not contact with the side surfaces of the upright posts in the installation of the stacker, the thickness of the adjusting pad 702 is adjusted to keep proper positive pressure between the side guide wheel 703 and the side plates, the guide wheel shaft welding member 704 passes through the side guide wheel bracket 701 and is fixed in threaded holes by the shaft fixing screw 705 to not synchronously rotate with the side guide wheel 703, and finally is fixed on the side plate of the cargo table by the mounting screw 706.

Further, the vertical frame 102 is further provided with a deceleration support 8 for installing a first distance detection sensor and a stop support 9, and for installing a second distance detection sensor and a vertical laser reflector 10, which are matched components for vertical distance detection, and are matched with vertical laser to detect the distance between the loading platform and the ground vertical laser sensor, so as to achieve positioning in the height direction. When the goods carrying platform moves to the uppermost layer or the lowermost layer of goods shelves and normally takes goods, the first distance detection sensor and the second distance detection sensor do not work, when the goods carrying platform can wash out the uppermost layer or the lowermost layer of goods shelves, the first distance detection sensor detects signals at the moment, so that the lifting motor is decelerated, the second distance detection sensor senses a corresponding stop plate, the lifting motor is stopped, and the goods carrying platform stops moving.

The invention also discloses a storage and taking mode of the clamping type telescopic fork carrying platform, wherein the clamping type shifting fork assembly 4 can realize three storage and taking modes under the telescopic condition of the telescopic fork assembly 3, in order to more clearly describe the storage and taking mode, in the embodiment, a storage and taking position conveying belt 2 which is closer to a goods shelf is defined as a second storage and taking station, and the other storage and taking position conveying belt is a first storage and taking station;

Taking a single material box, and hooking the material box of the first goods lattice or the second goods lattice to a second storage station by two front shifting forks and two middle shifting forks in a clamping mode;

the single bin is stored, and the two front-position shifting forks and the two middle-position shifting forks push the bin on the second storage and taking station to the first goods lattice or the second goods lattice of the goods shelf in a clamping mode;

The two feed boxes at different positions are taken, and in the first position, the two front-position shifting forks and the two middle-position shifting forks hook a first feed box of a first goods lattice or a second goods lattice to a second access station in a clamping mode, and the feed box on the second access station is conveyed to the first access station under the action of the access position conveying belt 2;

The two feed boxes at different positions are stored, and at a first position, the two front-position shifting forks and the two middle-position shifting forks push a first feed box of a second access station to a first goods lattice or a second goods lattice of a goods shelf in a clamping mode, and the feed box on the first access station is conveyed to the second access station under the action of the access position conveying belt 2;

Two feed boxes at the same position are taken, two front-position shifting forks and two middle-position shifting forks hook the feed boxes of the second goods lattice in a clamping mode, two middle-position shifting forks and two rear-position shifting forks hook the feed boxes of the first goods lattice in a clamping mode, and the two feed boxes are respectively hooked to a first storage station and a second storage station;

The two feed boxes at the same position are stored, the two front-position shifting forks and the two middle-position shifting forks push the feed boxes on the second storage and retrieval station in a clamping mode, the two middle-position shifting forks and the two rear-position shifting forks push the feed boxes on the first storage and retrieval station in a clamping mode, and the two feed boxes are respectively pushed to the first goods lattice and the second goods lattice in the same depth direction.

The above description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (10)

1. The clamping type telescopic fork carrying platform is characterized by comprising a carrying platform frame (1), a storage and taking position conveying belt (2), two groups of telescopic fork assemblies (3) and a plurality of groups of symmetrically arranged clamping type fork assemblies (4);

the cargo carrying platform frame (1) is of an L-shaped structure and is used as a basic frame of the whole cargo carrying platform;

the two groups of the access position conveying belts (2) are respectively and independently operated through power rollers, so that the two groups of the access position conveying belts can independently convey the material boxes to be accessed;

The two groups of telescopic fork assemblies (3) are symmetrically arranged on two sides of the conveying direction of the storage and retrieval position conveying belt (2), and the two groups of telescopic fork assemblies (3) synchronously move along the conveying direction of the storage and retrieval position conveying belt (2);

the clamping type shifting fork assemblies (4) are symmetrically distributed on the two telescopic fork assemblies (3) and coact with the clamping type shifting fork assemblies (4), so that the storage and taking of the material box between the goods shelf and the storage and taking position conveying belt (2) are realized.

2. A telescopic pallet according to claim 1, wherein the telescopic pallet fork assembly (3) comprises a fixed outer plate (301), a middle fork plate (302) and an inner fork plate (303);

The fixed outer side plate (301) is fixedly arranged on the side edge of the access position conveying belt (2) and is used as a base of the telescopic fork assembly (3);

A first sliding guide rail (304) is arranged between the fixed outer side plate (301) and the middle fork plate (302), and the middle fork plate (302) can extend outwards along the first sliding guide rail (304);

A second sliding guide rail (305) is arranged between the middle fork plate (302) and the inner fork plate (303), and the inner fork plate (303) can extend outwards along the second sliding guide rail (305).

3. A telescopic pallet fork loading platform according to claim 2, wherein a synchronous pulley assembly (306) is further arranged on the inner side of the fixed outer side plate (301), external teeth of a synchronous belt in the synchronous pulley assembly (306) are meshed with racks (3021) at the bottom of the middle fork plate (302), and the synchronous belt is driven to operate along with a fork stretching motor, so that the middle fork plate (302) is driven to stretch outwards.

4. A telescopic pallet fork load bed according to claim 3, characterized in that a differential pulley assembly (307) is further arranged between the middle fork plate (302) and the inner fork plate (303), two differential pulleys (308) of the differential pulley assembly (307) are respectively arranged at two ends of the middle fork plate (302), two belt-level belts (309) are respectively wound around the differential pulleys (308) to two sides of the middle fork plate (302), two ends of the belt-level belts (309) are respectively arranged, one end is fixed with the outer side plate (301) through a flat pressing plate (310), the other end is fixed with the inner fork plate (303) through a flat pressing plate at the opposite side, and when the middle fork plate (302) moves towards a certain direction, the belt-level belts (309) drive the inner fork plate (303) to move in the same direction at twice as the speed under the action of the differential pulleys (308).

5. The telescopic pallet according to claim 4, wherein the clamping fork assemblies (4) are arranged in groups of six, two and three, and are respectively positioned at the front, middle and rear positions of the inner fork plate (303) to move the bin in a clamping mode, each clamping fork assembly (4) comprises a fork (401) and a fork motor (402), and the fork motor (402) is electrically connected with the belt (309) and drives the fork (401) to switch between a horizontal clamping state or a vertical reset state under the action of the fork motor;

The inner layer of the belt (309) is wrapped with two wires, so that the wires can move and simultaneously convey electricity for fixing the end head of the outer side plate (301) to the other end of the belt (309) of the inner fork plate (303), a long waist through hole (311) is respectively formed in the position of the fixed flat pressing plates (310) at the two ends of the inner fork plate (303), and the wires bypass the second sliding guide rail (305) through the long waist through hole (311) to supply electricity to the fork assembly (4);

two belt-like belts (309) are provided, one of which supplies power to the three groups of shifting fork assemblies (4), and the other of which communicates with the three groups of shifting fork assemblies (4) to perform state switching control.

6. A telescopic pallet fork load bed according to claim 5, wherein three groups of said clamp fork assemblies (4) correspond to two storage stations of two groups of said storage conveyor belts (2) and simultaneously correspond to two consecutive pallet positions in the pallet, and said clamp fork assemblies (4) clamp bins with telescopic inner fork plates (303) store and retrieve between the pallet and the storage conveyor belts (2).

7. The clamping telescopic fork carrying platform according to claim 1, wherein the carrying platform frame (1) is of an L-shaped structure and comprises a horizontal frame (101) and a vertical frame (102), the horizontal frame (101) is used for installing a horizontally extending storage and retrieval position conveying belt (2), and the vertical frame (102) is provided with a lifting synchronous belt clamping piece (5), and the lifting synchronous belt clamping piece (5) is connected with a lifting synchronous belt of a stacker so as to drive the carrying platform to lift along the vertical direction.

8. The clamping telescopic fork loading platform according to claim 7, wherein the vertical frame (102) is further provided with a lifting guide wheel assembly (6) and a side guide wheel assembly (7);

The lifting guide wheel assemblies (6) comprise guide wheels (601), eccentric shafts (602), adjusting plates (603), hexagonal nuts (604) and thin nuts (605), wherein two groups of lifting guide wheel assemblies (6) are respectively arranged on two sides of a guide rail of the vertical frame (102) and form clamping situations to the guide rail, and two groups of lifting guide wheel assemblies (6) are respectively arranged at the upper, lower, left and right positions of the cargo carrying platform and clamp the guide rail to enable the cargo carrying platform to be stable in a guide rail surface, and the cargo carrying platform is lifted and moved along the guide rail surface under the traction of a lifting synchronous belt;

The side guide wheel assembly (7) comprises a side guide wheel bracket (701), an adjusting base plate (702), a side guide wheel (703), a guide wheel shaft welding piece (704), shaft fixing screws (705) and mounting screws (706), wherein a group of side guide wheel assemblies (7) are clamped on the side plates of the vertical frame (102) at four corner positions of the vertical frame (102), the adjusting base plate (702) is composed of thin plates with different thicknesses, the guide wheel shaft welding piece (704) penetrates through the side guide wheel bracket (701) and is fixed in threaded holes by the shaft fixing screws (705) to be not synchronously rotated with the side guide wheel (703), and finally the guide wheel shaft welding piece is fixed on the side plates of the cargo carrying platform by the mounting screws (706).

9. The telescopic pallet as claimed in claim 7, wherein the vertical frame (102) is further provided with a deceleration bracket (8) for mounting a first distance detection sensor and a stop bracket (9), and for mounting a second distance detection sensor and a vertical laser reflector (10), and the telescopic pallet is a vertical distance detection matching component, which matches the distance between the vertical laser detection pallet and a ground vertical laser sensor to achieve positioning in the height direction.

10. A storing and taking mode of a clamping telescopic fork loading platform is characterized in that,

The clamp type shifting fork assembly (4) can realize three storage and taking modes of the material box under the extension and retraction of the telescopic fork assembly (3):

Taking a single material box, and hooking the material box of the first goods lattice or the second goods lattice to a second storage station by two front shifting forks and two middle shifting forks in a clamping mode;

the single bin is stored, and the two front-position shifting forks and the two middle-position shifting forks push the bin on the second storage and taking station to the first goods lattice or the second goods lattice of the goods shelf in a clamping mode;

The two feed boxes at different positions are taken, and in a first position, the two front-position shifting forks and the two middle-position shifting forks hook a first feed box of a first goods lattice or a second goods lattice to a second access station in a clamping mode, and the feed box on the second access station is conveyed to the first access station under the action of an access position conveying belt (2);

The two feed boxes at different positions are stored, and at a first position, the two front-position shifting forks and the two middle-position shifting forks push a first feed box of a second access station to a first goods lattice or a second goods lattice of a goods shelf in a clamping mode, and the feed box on the first access station is conveyed to the second access station under the action of the access position conveying belt (2);

Two feed boxes at the same position are taken, two front-position shifting forks and two middle-position shifting forks hook the feed boxes of the second goods lattice in a clamping mode, two middle-position shifting forks and two rear-position shifting forks hook the feed boxes of the first goods lattice in a clamping mode, and the two feed boxes are respectively hooked to a first storage station and a second storage station;

The two feed boxes at the same position are stored, the two front-position shifting forks and the two middle-position shifting forks push the feed boxes on the second storage and retrieval station in a clamping mode, the two middle-position shifting forks and the two rear-position shifting forks push the feed boxes on the first storage and retrieval station in a clamping mode, and the two feed boxes are respectively pushed to the first goods lattice and the second goods lattice in the same depth direction.