CN217456064U - Tray transfer system - Google Patents

Abstract

The utility model relates to the technical field of tray transfer, in particular to a tray transfer system, which comprises two tray single bodies which are mutually abutted, wherein each tray single body is connected in a magnetic type; two the free bottom of tray is all installed on the base platform of its bottom universal wheel is installed to base platform's bottom four corners department a path turnover mechanism is installed at base platform's bottom center, path turnover mechanism is used for driving base platform and the spare part on it realizes the dead axle rotation base platform's front end fixed mounting has turnover application of force handle base platform's rear end is installed a convertible material loading roller subassembly. The tray transfer system is specially used for realizing tray transfer in a narrow space between machining stations of a workshop, can effectively improve the efficiency of tray transfer and turnover, and reduces the difficulty of the tray in the vertical process.

Description

Tray transfer system

Technical Field

The utility model relates to a technical field, in particular to can realize tray system architecture, especially tray transfer system of workshop goods turnover fast for the tray is transported.

Background

When carrying out the turnover of goods or work piece inside and outside traditional workshop, generally adopt artifical floor truck to carry the transfer, this kind of transportation mode needs artificial transport, needs frequent removal goods or work piece, very easily appears causing the damaged problem of packing because of having enough to meet the need many times to some goods in bags, traditional artifical transport transfer needs many times artificial operation in addition, moves the product, whole amount of labour is great, operating efficiency is lower.

With the development of modern product transportation technology, the pallet transportation and the pallet transportation become an important means for workshop turnover at present, short-distance turnover in a workshop can be realized, and off-site transportation and transportation can be realized.

For example, in patent document CN202121238447.4, a transfer tray is disclosed, whose main structure includes tray single bodies, each of which is provided with a connecting portion, a plurality of the tray single bodies are arranged in sequence on an extending surface where a working surface of the tray single body is located, and the connecting portions of two adjacent tray single bodies can be detachably spliced together by a locking mechanism; the connecting portion include the draw-in groove, locking mechanism is including blocking the strip, adjacent two the tray is free the draw-in groove joint respectively in block the strip. As can be seen from the above description, the existing pallets generally adopt a combination of a plurality of pallet monomers, which cannot be effectively transferred when used for transferring, and can only be transferred by using external transfer equipment, while most of the existing transfer equipment generally have a large transfer radius, so that it is relatively difficult to transfer at a workshop station with a narrow space; in addition, when the existing tray is transferred, the tray is generally conveyed and circulated by human or large-scale lifting machinery such as a forklift, and the process of circulation has great potential safety hazard.

Therefore, the utility model provides a match new tray transportation structure that carries out the tray and have enough to meet the need fast in the narrow and small space in current tray realization workshop here for solve the problem that exists among the prior art better.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the tray transferring system comprises two tray single bodies which are mutually abutted, and the tray single bodies are connected in a magnetic attraction manner; two the free bottom of tray is all installed on the base platform of its bottom universal wheel is installed to base platform's bottom four corners department a path turnover mechanism is installed at base platform's bottom center, path turnover mechanism is used for driving base platform and the spare part on it realizes the dead axle rotation base platform's front end fixed mounting has turnover application of force handle base platform's rear end is installed a convertible material loading roller subassembly, convertible material loading roller subassembly uses as base platform's rear portion fender position structure when idle a plurality of lift fender position piece is installed respectively to base platform's both sides.

In any of the above embodiments, preferably, attraction magnets are fixedly mounted on adjacent side walls of the two tray units, respectively, and the two attraction magnets have opposite magnetic poles and attract each other.

In any of the above schemes, preferably, the small-diameter revolving mechanism includes a jacking electric cylinder fixedly mounted at the center of the bottom of the base platform in a bolted manner, the top of a cylinder barrel of the jacking electric cylinder is fixedly connected with the base platform, a support disc is fixedly welded at the bottom of a piston rod of the jacking electric cylinder, a plurality of universal ball steel ball wheels are uniformly mounted at intervals along the circumference of the support disc at the bottom of the support disc, and a certain spacing space exists between each universal ball steel ball wheel and the ground in an idle state; the base platform is provided with a jacking electric cylinder, and the base platform is provided with a charging source.

It is preferred in any one of the above-mentioned schemes, convertible material loading roller subassembly includes a U type frame, the bottom both ends of U type frame articulate respectively through the hinge activity and correspond position department in the commentaries on classics hole of the side ear seat at base platform rear end top be provided with a plurality of direction steel running roller along its length direction interval in the inside casing of U type frame, each the equal movable joint in both ends of direction steel running roller corresponds position department in the commentaries on classics hole on the inside casing lateral wall of U type frame department, the diameter of direction steel running roller is greater than the thickness of U type frame.

In any of the above solutions, it is preferable that cushion rubber pads for contacting with the ground are installed at the bottom of the end portions of the two vertical sections of the U-shaped frame.

In any of the above solutions, preferably, the ends of the two vertical sections of the U-shaped frame are both provided with a rounded curved surface.

In any of the above schemes, preferably, a locking pin shaft is inserted into each pin hole at the upper part of the rotary hole corresponding to each side lug seat, and locking holes matched and inserted with the locking pin shafts are arranged on the side walls of the corresponding lower ends of the two vertical sections of the U-shaped frame.

In any of the above schemes, preferably, when the turnover type feeding roller assembly is in a vertical idle state, the guide steel rollers on the turnover type feeding roller assembly are used for abutting against the attraction magnets on the side walls of the tray single bodies at the corresponding positions.

It is preferred in any of the above-mentioned schemes that go up and down to keep off position spare includes fixed mounting and is in the vertical interior solenoid at base platform top the interior intracavity of solenoid is equipped with the internal thread in vertical interior solenoid the inside screw thread of vertical interior solenoid closes soon and keeps off interior double-screw bolt, the lower extreme activity that keeps off interior double-screw bolt passes in the vertical through-hole of solenoid bottom in the base platform extends the below of base platform, there is the interval space between the bottom of keeping off interior double-screw bolt and the ground.

In any of the above schemes, preferably, a knob handle is fixedly mounted on the top of the stud in each gear.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the tray transfer system is specially used for realizing tray transfer in a narrow space between machining stations of a workshop, can effectively improve the efficiency of tray transfer and turnover, and reduces the difficulty of the tray in the vertical process.

2. This system its size is less relatively when carrying out whole turnover, and the size only is equivalent to the size of two trays, and when turning, turning radius is little moreover, utilizes path turnover mechanism can realize that whole structure directly turns to along the center, has reduced turning radius greatly, and path turnover mechanism can upwards accomodate fast after the turn is accomplished, does not influence normal turnover walking, uses more in a flexible way.

3. Convertible material loading roller subassembly can assist the upper and lower base platform that realizes the tray monomer, the degree of difficulty when reducing artifical propelling movement tray effectively.

4. The tray can realize that the quadriversal is spacing effectively after placing on the base platform of this system, guarantees the stability of tray in the in-process of transporting the turnover effectively, improves the security of turnover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic view of the feeding structure of the tray unit of the present invention.

Fig. 2 is the structure schematic diagram of the tray after the feeding of the single body is completed.

Fig. 3 is a schematic view of a partial cross-sectional structure in a transfer state of the present invention.

Fig. 4 is a schematic structural view of fig. 3 with the pin shaft removed.

In the figure, 1, a tray single body; 2. a base platform; 3. a universal wheel; 4. a force application handle is turned over; 5. a raising and lowering gear; 6. a suction magnet; 7. jacking an electric cylinder; 8. a supporting disc; 9. universal ball steel ball wheels; 10. a charging power supply; 11. a U-shaped frame; 12. a hinge shaft; 13. a side ear seat; 14. a guide steel roller; 15. a cushion rubber pad; 16. rounding a curved surface; 17. a vertical section; 18. a pin hole; 19. locking the pin shaft; 20. a lock position hole; 21. a vertical internal solenoid; 22. an inner stud of a gear; 23. knob handles.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. The specific structure of the utility model is shown in figures 1-4.

Example 1:

the tray transferring system comprises two tray single bodies 1 which are mutually abutted, and the tray single bodies 1 are connected in a magnetic attraction manner; two all install on the base platform 2 of its bottom tray monomer 1's bottom four corners department installs universal wheel 3 base platform 2's bottom center installs a path turnover mechanism, path turnover mechanism is used for driving base platform 2 and the spare part on it realizes the dead axle rotation base platform 2's front end fixed mounting has turnover application of force handle 4 base platform 2's rear end installs a convertible material loading roller subassembly, convertible material loading roller subassembly uses as base platform 2's rear portion fender position structure when idle a plurality of goes up and down to keep off position 5 is installed respectively to base platform 2's both sides. The whole tray transfer system directly utilizes the turnover force application handle 4 to pull or push the whole base platform 2 to walk and operate during transfer, and four universal wheels 3 can effectively achieve the purpose of flexible movement during normal movement turnover; because the narrowness of the surrounding environment of the transfer space can cause certain turnover difficulty, the small-diameter turnover mechanism arranged here can directly land downwards through controlling the small-diameter turnover mechanism when meeting the narrow space and needing to be transferred, in addition, the four universal wheels 3 can be supported by a smaller height for ensuring the convenience and the labor-saving performance of turning and turning, then the whole base platform 2 is controlled to turn according to the requirement, and finally the purpose of turning and turnover is achieved.

When the tray monomer 1 containing workpiece products needs to be transferred to the base platform 2, the system can be pushed to a designated position, then all universal wheels 3 are locked, at the moment, the whole structure is in a locking state, then pin shafts on two sides of the turnover type feeding roller assembly are taken down, at the moment, the whole turnover type feeding roller assembly is turned backwards to enable the original upper end of the whole turnover type feeding roller assembly to be in a state of being abutted against the ground, at the moment, the turnover type feeding roller assembly is in a small-gradient inclined state, then the tray monomer 1 is pushed upwards by the low position of the turnover type feeding roller assembly, and as the turnover type feeding roller assembly is provided with a plurality of guide steel roller wheels 14, the tray monomer 1 is pushed upwards by external force, the difficulty of moving can be reduced by means of the rolling friction of all the guide steel roller wheels 14 at the bottom, the aim of fast transferring and lifting is finally achieved, and the step of upwards moving the tray is reduced, the risk of injury to workers due to lifting, moving and slipping is effectively reduced, and the operation safety is improved.

Pack up convertible material loading roller subassembly after 1 material loading of tray monomer is accomplished, then directly lock its both ends bottom through locking a round pin axle 19 and make it be in vertical lock position state, the direction steel running roller 14 of convertible material loading roller subassembly front end directly adsorbs the suction magnet 6 at corresponding position department to can start effectively and prevent rocking, the effect of location.

In any of the above schemes, preferably, the small-diameter revolving mechanism includes a jacking electric cylinder 7 fixedly mounted at the center of the bottom of the base platform 2 in a bolted manner, the top of a cylinder barrel of the jacking electric cylinder 7 is fixedly connected with the base platform 2, a supporting disc 8 is fixedly welded at the bottom of a piston rod of the jacking electric cylinder 7, a plurality of universal ball steel ball wheels 9 are uniformly mounted at intervals along the circumference of the supporting disc 8 at the bottom of the supporting disc 8, and a certain space is reserved between each universal ball steel ball wheel 9 and the ground in an idle state; a charging source 10 is installed to the bottom of jacking electric cylinder 7 one side base platform 2, charging source 10 is used for jacking electric cylinder 7 power supply.

When the small-diameter turnover mechanism is idle, the whole jacking electric cylinder 7 is in a contraction state, and the whole bearing disc 8 and all universal ball steel ball wheels 9 connected with the small-diameter turnover mechanism are in a suspension state; when needs use, the telescopic motion of jacking electric cylinder 7 is controlled by directly pressing the hand switch, when jacking electric cylinder 7 lands on the ground or lifts the whole system away from the ground at a certain interval (1-2 cm can), then can be with quick gripping turnover application of force handle 4, then rotate the whole system to the direction that needs the transfer, then control is pressed the hand switch and is controlled the promotion of jacking electric cylinder 7 and retract, finally get back to the initial position, the turn turnover is accomplished to the whole system this moment, then continue to realize to pass to advance can.

The charging power supply 10 is provided to effectively supply electric power to the electric cylinder.

In any of the above schemes, it is preferable that the convertible material loading roller subassembly includes a U type frame 11, the bottom both ends of U type frame 11 articulate in the commentaries on classics of the side ear seat 13 at 2 rear end tops of base platform department through hinge 12 activity respectively in the inside casing of U type frame 11 is provided with a plurality of direction steel roller 14 along its length direction interval, each the both ends of direction steel roller 14 all activity hinge in the commentaries on classics on the inside casing lateral wall of U type frame 11 department of corresponding position department, the diameter of direction steel roller 14 is greater than the thickness of U type frame 11.

The turnover type feeding roller assembly is in a vertical locking state when idle, when a tray needs to be transferred up and down, the locking pin shafts 19 on two sides are directly pulled out, then the upper end of the U-shaped frame 11 is turned backwards to be grounded, and at the moment, the bottom of the whole U-shaped frame 11 is supported on the ground by virtue of the cushion rubber pads 15; at this moment, the whole U-shaped frame 11 is in an inclined state, and the plurality of guide steel rollers 14 are arranged on the turnover type feeding roller assembly, so that the tray single body 1 is pushed to move upwards through external force, the moving difficulty can be reduced by means of rolling friction of each guide steel roller 14 at the bottom, the purpose of quickly transferring and loading is finally achieved, the steps of upwards lifting and moving the tray are reduced, the risk of injuring workers due to lifting and moving slipping is effectively reduced, and the operation safety is improved.

In any of the above solutions, preferably, the ends of the two vertical sections 17 of the U-shaped frame 11 are each provided with a rounded curved surface 16.

The rounded curved surface 16 can effectively play the purpose of protection and collision avoidance, and effectively avoids damage or potential safety hazard caused by too sharp ends.

In any of the above schemes, preferably, a locking pin 19 is inserted into the pin hole 18 at the upper part of the rotary hole corresponding to each side ear seat 13, and locking holes 20 matched and inserted with the locking pin 19 are arranged on the corresponding lower end side walls of the two vertical sections 17 of the U-shaped frame 11.

The purpose of preventing the whole U-shaped frame 11 from moving randomly can be achieved by installing the locking pin shafts 19, and the purpose of unlocking can be achieved after each locking pin shaft 19 is disassembled.

In any of the above solutions, it is preferable that the guide steel roller 14 on the roll-over type feeding roller assembly is used to abut on the attraction magnet 6 on the side wall of the tray single body 1 at the corresponding position when the roll-over type feeding roller assembly is in the vertical idle state.

The guide steel roller 14 is directly adsorbed, so that the stability of the turnover type feeding roller assembly can be effectively guaranteed, and the shaking of the upper part is reduced.

Example 2:

the tray transferring system comprises two tray single bodies 1 which are mutually abutted, and the tray single bodies 1 are connected in a magnetic attraction manner; two all install on the base platform 2 of its bottom tray monomer 1's bottom four corners department installs universal wheel 3 base platform 2's bottom center installs a path turnover mechanism, path turnover mechanism is used for driving base platform 2 and the spare part on it realizes the dead axle rotation base platform 2's front end fixed mounting has turnover application of force handle 4 base platform 2's rear end installs a convertible material loading roller subassembly, convertible material loading roller subassembly uses as base platform 2's rear portion fender position structure when idle a plurality of goes up and down to keep off position 5 is installed respectively to base platform 2's both sides.

In any of the above embodiments, preferably, attraction magnets 6 are respectively fixedly mounted on adjacent side walls of the two tray units 1, and the two attraction magnets 6 have opposite magnetic poles and attract each other.

The magnetic force is inhaled the sound and can be guaranteed both stability when supporting tight connection effectively, improves the stability when placing effectively.

In any of the above schemes, preferably, the small-diameter revolving mechanism includes a jacking electric cylinder 7 fixedly mounted at the center of the bottom of the base platform 2 in a bolted manner, the top of a cylinder barrel of the jacking electric cylinder 7 is fixedly connected with the base platform 2, a bearing disc 8 is fixedly welded at the bottom of a piston rod of the jacking electric cylinder 7, a plurality of universal ball steel ball wheels 9 are uniformly mounted at intervals along the circumference of the bearing disc 8 at the bottom of the bearing disc 8, and a certain space is reserved between each universal ball steel ball wheel 9 and the ground in an idle state; a charging source 10 is installed to the bottom of jacking electric cylinder 7 one side base platform 2, charging source 10 is used for jacking electric cylinder 7 power supply.

When the small-diameter turnover mechanism is idle, the whole jacking electric cylinder 7 is in a contraction state, and the whole bearing disc 8 and all universal ball steel ball wheels 9 connected with the small-diameter turnover mechanism are in a suspension state; directly press hand switch when needs use and control the concertina movement of jacking electric jar 7, land or break away from the certain interval in ground (1-2 cm can) with the jacking of entire system when jacking electric jar 7, can be with quick gripping turnover application of force handle 4 this moment, then rotate entire system to the direction that needs the transfer, then control is pressed hand switch and is controlled the promotion of jacking electric jar 7 and retract, finally get back to initial position, entire system accomplishes the turnover of turning this moment, then continue to realize to pass to march can.

The charging power supply 10 is provided to effectively supply electric power to the electric cylinder.

In any of the above schemes, it is preferable that the convertible material loading roller subassembly includes a U type frame 11, the bottom both ends of U type frame 11 articulate in the commentaries on classics of the side ear seat 13 at 2 rear end tops of base platform department through hinge 12 activity respectively in the inside casing of U type frame 11 is provided with a plurality of direction steel roller 14 along its length direction interval, each the both ends of direction steel roller 14 all activity hinge in the commentaries on classics on the inside casing lateral wall of U type frame 11 department of corresponding position department, the diameter of direction steel roller 14 is greater than the thickness of U type frame 11.

The turnover type feeding roller assembly is in a vertical locking state when idle, when a tray needs to be transferred up and down, the locking pin shafts 19 on two sides are directly pulled out, then the upper end of the U-shaped frame 11 is turned backwards to be grounded, and at the moment, the bottom of the whole U-shaped frame 11 is supported on the ground by virtue of the cushion rubber pads 15; at the moment, the whole U-shaped frame 11 is in an inclined state, and the plurality of guide steel rollers 14 are arranged on the turnover type feeding roller assembly, so that the tray single body 1 is pushed by external force to move upwards to reduce the moving difficulty by means of rolling friction of the guide steel rollers 14 at the bottom, the purpose of quickly transferring and loading is finally achieved, the steps of upwards lifting and moving the tray are reduced, the risk of injury to workers caused by lifting and moving the slip is effectively reduced, and the operation safety is improved.

In any of the above solutions, it is preferable that cushion rubber pads 15 for contacting with the ground are mounted on the bottom of the end portions of the two vertical sections 17 of the U-shaped frame 11. The cushion rubber pad 15 can play a role in supporting and resisting abrasion.

In any of the above solutions, preferably, the ends of the two vertical sections 17 of the U-shaped frame 11 are each provided with a rounded curved surface 16.

The rounded curved surface 16 can effectively achieve the purpose of protection and collision avoidance, and effectively avoids damage or potential safety hazards caused by too sharp ends.

In any of the above schemes, preferably, a locking pin 19 is inserted into the pin hole 18 at the upper part of the rotary hole corresponding to each side ear seat 13, and locking holes 20 matched and inserted with the locking pin 19 are arranged on the corresponding lower end side walls of the two vertical sections 17 of the U-shaped frame 11.

The purpose of preventing the whole U-shaped frame 11 from moving randomly can be achieved by installing the locking pin shafts 19, and the purpose of unlocking can be achieved after each locking pin shaft 19 is disassembled.

In any of the above solutions, it is preferable that the guide steel roller 14 on the roll-over type feeding roller assembly is used to abut on the attraction magnet 6 on the side wall of the tray single body 1 at the corresponding position when the roll-over type feeding roller assembly is in the vertical idle state.

The guide steel roller 14 is directly adsorbed, so that the stability of the turnover type feeding roller assembly can be effectively guaranteed, and the shaking of the upper part is reduced.

In any of the above schemes, it is preferred that elevating gear 5 includes fixed mounting and is in the vertical interior screwed pipe 21 at 2 tops of base platform the interior intracavity of screwed pipe 21 is equipped with the internal thread in the vertical interior screwed pipe 21's internal thread has one to keep off interior double-screw bolt 22, the lower extreme activity that keeps off interior double-screw bolt 22 passes in the vertical through-hole of screwed pipe 21 bottom on the base platform 2 and extend to the below of base platform 2, there is the interval space between the bottom of keeping off interior double-screw bolt 22 and the ground.

The lifting gear piece 5 is mainly used for limiting the side direction of the tray single body 1 placed on the lifting gear piece, and effectively ensuring the stability of the tray single body 1 in the whole system transferring and shifting process; the whole lifting gear piece 5 can realize limiting gears with different heights as required, so that the blocking effect on trays with different heights can be effectively guaranteed.

In any of the above solutions, a knob handle 23 is preferably fixedly mounted on the top of the stud 22 in each gear.

Can drive through manual rotatory knob handle 23 and keep off the position in double-screw bolt 22 realize spiral rising or descend inside the screw tube 21 in the vertical that corresponds to reach and realize not co-altitude sheltering from the effect, match effectively and realize the side direction to the tray monomer 1 of co-altitude not and keep off the position effect, improve and keep off the position effect.

The specific working principle is as follows:

when in transfer, the turnover force application handle 4 is directly utilized to realize the walking operation of pulling or pushing the whole base platform 2, and the four universal wheels 3 can effectively play the purpose of flexible movement when in normal movement turnover; because the narrowness of the surrounding environment of the transfer space can cause certain turnover difficulty, the small-diameter turnover mechanism arranged here can directly land downwards through controlling the small-diameter turnover mechanism when meeting the narrow space and needing to be transferred, in addition, the four universal wheels 3 can be supported by a smaller height for ensuring the convenience and the labor-saving performance of turning and turning, then the whole base platform 2 is controlled to turn according to the requirement, and finally the purpose of turning and turnover is achieved. When the tray monomer 1 containing workpiece products needs to be transferred to the base platform 2, the system can be pushed to a designated position, then all universal wheels 3 are locked, at the moment, the whole structure is in a locking state, then pin shafts on two sides of the turnover type feeding roller assembly are taken down, at the moment, the whole turnover type feeding roller assembly is turned backwards to enable the original upper end of the whole turnover type feeding roller assembly to be in a state of being abutted against the ground, at the moment, the turnover type feeding roller assembly is in a small-gradient inclined state, then the tray monomer 1 is pushed upwards by the low position of the turnover type feeding roller assembly, and as the turnover type feeding roller assembly is provided with a plurality of guide steel roller wheels 14, the tray monomer 1 is pushed upwards by external force, the difficulty of moving can be reduced by means of the rolling friction of all the guide steel roller wheels 14 at the bottom, the aim of fast transferring and lifting is finally achieved, and the step of upwards moving the tray is reduced, the risk of injury to workers due to lifting, moving and slipping is effectively reduced, and the operation safety is improved. Pack up convertible material loading roller subassembly after 1 material loading of tray monomer is accomplished, then directly lock its both ends bottom through locking a round pin axle 19 and make it be in vertical lock position state, the direction steel running roller 14 of convertible material loading roller subassembly front end directly adsorbs the suction magnet 6 at corresponding position department to can start effectively and prevent rocking, the effect of location.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. Tray transfer system, its characterized in that: the tray comprises two tray single bodies which are mutually abutted, and the tray single bodies are connected in a magnetic attraction manner; two the free bottom of tray is all installed on the base platform of its bottom universal wheel is installed to base platform's bottom four corners department a path turnover mechanism is installed at base platform's bottom center, path turnover mechanism is used for driving base platform and the spare part on it realizes the dead axle rotation base platform's front end fixed mounting has turnover application of force handle base platform's rear end is installed a convertible material loading roller subassembly, convertible material loading roller subassembly uses as base platform's rear portion fender position structure when idle a plurality of lift fender position piece is installed respectively to base platform's both sides.

2. The pallet transfer system of claim 1 wherein: and the adjacent side walls of the two tray monomers are respectively and fixedly provided with an attraction magnet, and the magnetic poles of the two attraction magnets are opposite and mutually attracted.

3. The pallet transfer system of claim 2, wherein: the small-diameter turnover mechanism comprises a jacking electric cylinder fixedly mounted at the center of the bottom of the base platform in a bolted mode, the top of a cylinder barrel of the jacking electric cylinder is fixedly connected with the base platform, a bearing disc is fixedly welded to the bottom of a piston rod of the jacking electric cylinder, a plurality of universal ball steel ball wheels are mounted at the bottom of the bearing disc at even intervals along the circumference of the bearing disc, and a certain space is reserved between each universal ball steel ball wheel and the ground in an idle state; the base platform is provided with a jacking electric cylinder, and the base platform is provided with a charging source.

4. The pallet transfer system of claim 3 wherein: convertible material loading roller subassembly includes a U type frame, the bottom both ends of U type frame articulate respectively through the hinge activity and correspond position department the downthehole commentaries on classics of the side ear seat at base platform rear end top be provided with a plurality of direction steel running roller, each along its length direction interval in the inside casing of U type frame the equal movable hinge in both ends of direction steel running roller corresponds position department in the commentaries on classics on the inside casing lateral wall of U type frame department, the diameter of direction steel running roller is greater than the thickness of U type frame.

5. The pallet transfer system of claim 4 wherein: and buffer rubber pads used for contacting with the ground are arranged at the bottoms of the end parts of the two vertical sections of the U-shaped frame.

6. The pallet transfer system of claim 5 wherein: the end parts of the two vertical sections of the U-shaped frame are both provided with a reverse curved surface.

7. The pallet transfer system of claim 6 wherein: and a locking pin shaft is respectively inserted into the pin holes at the upper parts of the rotating holes corresponding to the side lug seats, and locking holes matched and spliced with the locking pin shafts are arranged on the side walls of the corresponding lower ends of the two vertical sections of the U-shaped frame.

8. The pallet transfer system of claim 7 wherein: and when the turnover type feeding roller assembly is in a vertical idle state, the guide steel rollers on the turnover type feeding roller assembly are used for abutting against the attraction magnets on the side walls of the tray monomers at the corresponding positions.

9. The pallet transfer system of claim 8 wherein: the lift keeps off a position spare includes fixed mounting and is in the vertical interior solenoid at base platform top be equipped with the internal thread in the inner chamber of solenoid in vertical the inside screw thread of solenoid closes soon in vertical has one to keep off interior double-screw bolt, the lower extreme activity of double-screw bolt passes in keeping off the position the solenoid bottom in vertical through-hole on the base platform extends the below of base platform, there is the space between the bottom of double-screw bolt in keeping off the position and the ground.

10. The pallet transfer system of claim 9, wherein: and knob handles are fixedly arranged at the tops of the studs in the gears.

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