Vertical multi-station switching equipment

Abstract

The vertical multi-station exchange equipment comprises a loading table, a clamping mechanism, a station storage mechanism and a station conversion mechanism, workpieces are loaded on workbenches on the loading table, the station storage mechanism is used for storing and placing the workbenches loaded with the workpieces, and the clamping mechanism transfers the workbenches loaded with the workpieces to the station storage mechanism; and the working tables on the working station storage mechanism are switched and transferred out by the working station switching mechanism. The three functions of tooling, station storage and station exchange are integrated, tooling operation of workpieces is carried out on the loading table, then the clamping mechanism is matched to push the whole workbench with the workpieces to the station storage mechanism to be stored, the station storage mechanism is designed in the vertical direction, the whole occupied space is small, space is effectively saved, and the work efficiency is improved. And the working table is vertically placed, sundries on the working table can fall off easily, the station storage amount can be ensured, the station switching mechanism can conduct synchronous switching operation on the two workpieces at the same time, and the working efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical part processing technical field, concretely relates to a vertical multi-station exchange equipment. BACKGROUND

[0002] Mechanical is the general term of machine and mechanism, mechanical is the tool device that can help people reduce the work difficulty or save the labor, mechanical is the combination of artificial material component, and the relative motion between mechanical parts has the determination, machine has the characteristics of replacing the human labor to complete the useful mechanical work or conversion mechanical energy, so the mechanism that can convert mechanical energy or complete the useful mechanical work is called mechanical from the structure and motion point of view, mechanism and machine have no difference and are called mechanical.

[0003] Mechanical part is also called mechanical element, is the basic element of mechanical, is also indivisible single product of the general term of part and component in the composition of mechanical and machine, mechanical part is the discipline of researching and designing mechanical basic part in various equipment, is also the general term of part and component, the existing mechanical part is generally placed on the storage mechanism when unprocessed, and the worker or mechanical hand is convenient to take, but the existing storage mechanism is generally horizontally laid, not only will increase the land volume, but also the work station storage capacity is general, and the mechanical part is taken down through the exchange mechanism when processing, and the unprocessed part is exchanged to the processing table, but the existing exchange mechanism can only exchange alone, cannot simultaneously exchange two work stations, influences the work efficiency. SUMMARY

[0004] The utility model aims at the deficiency of prior art and provides a vertical multi-station exchange equipment technical scheme, the structure design is simple and reasonable, the practicality is strong, the three functions of tooling, work station storage and work station exchange are integrated, the tooling operation of workpiece is carried out on the loading platform, then the worktable of tooling good workpiece is pushed to the work station storage mechanism in whole with the cooperation of clamping mechanism and is stored, and the work station storage mechanism is designed in vertical direction, compared with the traditional horizontal placement design, the overall land volume is small, effectively saves the space, and the worktable vertical placement is also beneficial to the sundries falling on the worktable, and can also ensure the work station storage capacity, each worktable is placed on a work station positioning plate, and the rotation cycle of worktable is realized through chain assembly, and the worktable is positioned and fixed after rotating in place through the latch assembly, so that the exchange operation of work station conversion mechanism is convenient, and the work station conversion mechanism can simultaneously exchange two workpieces, the workpieces on two work stations are synchronously operated, effectively improve the work efficiency, the whole operation process is fast and simple, the failure rate is small, ensure the precision and reliability of operation action, effectively reduce the subsequent maintenance cost.

[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme:

[0006] A vertical multi-station exchange device, comprising a loading table, a clamping mechanism, a station storage mechanism and a station conversion mechanism, a workbench is arranged on the loading table, a workpiece is loaded on the workbench on the loading table, the clamping mechanism is arranged on the loading table, the station storage mechanism is used for storing the workbench loaded with the workpiece, and the clamping mechanism moves the workbench loaded with the workpiece to the station storage mechanism; the station conversion mechanism exchanges and moves out the workbench on the station storage mechanism.

[0007] The station storage mechanism comprises a rack body, a chain assembly, a station positioning plate and a latch assembly, the chain assembly and the latch assembly are arranged on the rack body, the station positioning plate is arranged on the chain assembly, and the workbench is limitingly installed on the station positioning plate; the chain assembly drives the station positioning plate to rotate synchronously when starting, so as to realize the conversion and adjustment of the position of the workbench, the latch assembly positions and fixes the workbench after the position conversion, and the station conversion mechanism exchanges and moves out the workbench fixed in position.

[0008] Further, the chain assembly comprises a sprocket, a roller, a sprocket fixing shaft, a guide disc, a rotating motor, an output gear and a speed reduction gear one, the sprocket is arranged in correspondence with the guide disc, two sprockets are symmetrically fixed on the roller, a chain is arranged between the sprocket and the corresponding guide disc, the guide disc is fixed on the rack body, the roller is fixed on the sprocket fixing shaft, the sprocket fixing shaft is rotationally connected with the rotating motor, the output end of the rotating motor is fixedly connected with the output gear, the speed reduction gear one is fixed on the sprocket fixing shaft, the output gear is engaged with the speed reduction gear one, a station positioning pin is connected between the two chains, the station positioning pin is uniformly distributed along the length direction of the chain, a positioning groove is arranged on the station positioning plate, and the station positioning plate is limitingly clamped on the station positioning pin through the positioning groove.

[0009] The rotating motor drives the output gear to rotate, the output gear drives the speed reduction gear one engaged therewith to rotate, the speed reduction gear one drives the sprocket fixing shaft fixedly connected therewith to rotate synchronously, the sprocket fixing shaft drives the sprocket to rotate synchronously through the roller, so as to drive the chain to rotate.

[0010] Further, a workbench positioning pin and a horizontal sliding groove are arranged on the workbench, an auxiliary sliding groove and a rolling groove are arranged on the rack body, the workbench positioning pin is slidingly clamped in the auxiliary sliding groove, the workbench is slidingly clamped on the station positioning plate through the horizontal sliding groove, a spring pin is arranged on the station positioning plate, a limiting hole is arranged on the back surface of the workbench, the end of the spring pin is limitingly clamped in the limiting hole, the workbench is limitingly fixed on the station positioning plate, a roller is arranged on the station positioning plate, and the roller is slidingly clamped in the rolling groove.

[0011] Further, the latch assembly comprises a mounting frame, a hydraulic cylinder, an ejection positioning pin and a displacement sensor, the hydraulic cylinder is fixed on the rack body through the mounting frame, the piston rod end of the hydraulic cylinder is connected with the ejection positioning pin through a connecting block, the displacement sensor is arranged below the connecting block, the work station positioning plate is provided with a positioning hole, the ejection positioning pin is matched with the positioning hole;

[0012] The hydraulic cylinder pushes the ejection positioning pin to move and insert into the corresponding positioning hole, thereby positioning and fixing the corresponding work station positioning plate.

[0013] Further, the work station conversion mechanism comprises a work station conversion support, a work station conversion arm, a hydraulic motor, a motor gear, a second speed reduction gear and a driving part, the work station conversion arm is connected with a work station conversion arm shaft, the work station conversion arm shaft is rotatably arranged on the work station conversion support, a bearing one is arranged between the work station conversion arm shaft and the work station conversion support, a sliding groove is arranged on the work station conversion arm, a conversion arm buckle is arranged in the sliding groove, the conversion arm buckle is connected with the workbench through buckling connection, the hydraulic motor is fixed on the work station conversion support, the hydraulic motor is connected with the motor gear, the second speed reduction gear is fixed on the work station conversion arm shaft, the motor gear is engaged with the second speed reduction gear;

[0014] The hydraulic motor drives the motor gear to rotate, the motor gear drives the second speed reduction gear engaged therewith to rotate synchronously, and the second speed reduction gear drives the work station conversion arm shaft fixed therewith to rotate synchronously, thereby realizing the conversion of the work station conversion arm work station.

[0015] Further, the driving part comprises a rotary motor, a work station conversion arm inner shaft, a driving tooth and a rack, the work station conversion arm inner shaft is rotatably arranged in the work station conversion arm shaft, a bearing two is arranged between the work station conversion arm inner shaft and the work station conversion arm shaft, the rotary motor is fixed on the work station conversion arm shaft, one end of the work station conversion arm inner shaft is connected with the rotary motor, the other end of the work station conversion arm inner shaft is connected with the driving tooth, two racks are arranged on the work station conversion arm in staggered symmetry, the two racks are engaged with the driving tooth, and conversion arm buckles are fixedly arranged at the distal ends of the two racks;

[0016] When the rotary motor drives the driving tooth to rotate through the work station conversion arm inner shaft, the two racks move towards or away from each other, thereby realizing the movement of the two conversion arm buckles towards or away from each other.

[0017] Further, an outer threaded section is arranged at the end of the work station conversion arm inner shaft connected with the rotary motor, a work station conversion arm signal disc one is screwed on the outer threaded section, a sensor one and a sensor two are arranged on the work station conversion support, and the sensor one and the sensor two are distributed on the left and right sides of the work station conversion arm signal disc one;

[0018] When the rotary motor drives the work station conversion arm inner shaft to rotate, the work station conversion arm signal disc one moves left and right along the outer threaded section.

[0019] Further, the clamping mechanism comprises a turnover assembly and a pushing assembly. The turnover assembly comprises a turnover cylinder, a turnover table and a loading positioning plate. The turnover cylinder is hingedly installed on the loading table. A piston rod end of the turnover cylinder is hingedly connected with a hinge seat. The hinge seat is connected with the turnover table. The loading positioning plate is arranged on the turnover table. The loading positioning plate is used for positioning and placing the workbench on the turnover table. A guide seat is arranged on the turnover table.

[0020] The turnover of the workbench is realized by driving the turnover of the turnover table and the loading positioning plate through the extension and retraction of the turnover cylinder. The pushing assembly pushes the turned-over workbench along the loading positioning plate and the guide seat to the work station storage mechanism.

[0021] Further, the pushing assembly comprises a pushing cylinder, a limiting cylinder, a conveying arm one, a conveying arm two and a conveying arm base. The pushing cylinder is arranged on the loading table. A piston rod end of the pushing cylinder is hingedly connected with the conveying arm two. The conveying arm one is hingedly connected with the conveying arm two. The conveying arm two is hingedly connected with the conveying arm base. The conveying arm base is fixedly installed on the loading table. The limiting cylinder is fixed on the conveying arm two. A piston rod end of the limiting cylinder is hingedly connected with the conveying arm one. A pin shaft is arranged on the conveying arm one. A limiting groove is arranged on the workbench.

[0022] The limiting cylinder drives the conveying arm one to swing so that the pin shaft is clamped into the limiting groove. Then the pushing cylinder drives the conveying arm two to rotate. The conveying arm two drives the conveying arm one to move synchronously. The conveying arm one drives the workbench to be pushed into the work station storage mechanism through the pin shaft.

[0023] Further, a rotating shaft is rotatably arranged on the turnover table. The loading positioning plate is fixedly connected with a top end of the rotating shaft. A bearing three is arranged between the rotating shaft and the loading table. A bottom end of the rotating shaft extends into the turnover table and is fixedly connected with a clamping seat. A clamping hole is arranged on the clamping seat. An installation seat is arranged on a bottom of the turnover table. A positioning hole is arranged on the installation seat. A partition seat is arranged in the turnover table and is movably clamped between the rotating shaft and the installation seat. A partition plate is arranged in the middle of the partition seat. The partition plate divides the turnover table into an oil passage cavity one and an oil passage cavity two. A clamping pin is arranged through the partition plate. A tail of the clamping pin is movably clamped in the positioning hole. A head of the clamping pin is limitingly clamped in the corresponding clamping hole to limit and fix the clamping seat. Thus, the rotating shaft and the loading positioning plate are locked, so that the workbench cannot rotate. An oil inlet one and an oil inlet two are arranged on a side surface of the turnover table. The oil inlet one is communicated with the oil passage cavity one. The oil inlet two is communicated with the oil passage cavity two.

[0024] When the workbench needs to be rotated, pressure oil enters the oil passage cavity one from the oil inlet one and presses the partition plate downward, so that the partition seat drives the clamping pin to move downward. The head of the clamping pin is released from the corresponding clamping hole to release the rotating shaft.

[0025] When the workbench rotates to the position, the pressure oil enters into the oil passage cavity two from the oil inlet two and extrudes the partition piece upward, so that the partition seat drives the clamping pin to move upward, and the head of the clamping pin is clamped into the corresponding clamping hole to lock the rotating shaft.

[0026] The utility model discloses a following beneficial effect has because adopting above -mentioned technical scheme,

[0027] The utility model discloses simple and reasonable, practicality is strong, and the set up of three functions of tooling, work position storage and work position exchange is integrated, and the workpiece is operated on the loading platform, and then the workbench of the workpiece with tooling is pushed to the work position storage mechanism as a whole with the cooperation of the clamping mechanism, and the loading plate is rotatably arranged by the rotating shaft, which can facilitate the staff to load the parts on the workbench, and after the workbench is turned over to the parallel state with the work position positioning plate by the turnover cylinder, the workbench is pushed into the work position storage mechanism by the pushing cylinder, thereby achieving the purpose of automatic feeding, reducing manual operation, increasing feeding efficiency, and the work position storage mechanism is designed in the vertical direction, compared with the traditional horizontal placement design, the overall land occupation volume is small, space is effectively saved, and the vertical placement of the workbench is also conducive to the falling of sundries on the workbench, and the work position storage capacity can also be ensured, each workbench is placed on a work position positioning plate, and the rotation cycle of the workbench is realized through the chain assembly, and the workbench is positioned and fixed after rotation by the bolt assembly, thereby facilitating the exchange operation of the workbench by the work position conversion mechanism, and the work position conversion mechanism can simultaneously perform synchronous exchange operation on two workpieces, the workpieces on two work positions are synchronously operated in and out, effectively improving the work efficiency, the whole operation process is fast and simple, the failure rate is small, the operation action is accurate and reliable, and the subsequent maintenance cost is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0028] The utility model makes further explanation in connection with the drawings:

[0029] Figure 1 It is the perspective view of the vertical multi-station exchange equipment of the utility model;

[0030] Figure 2 It is the state structure schematic view of the pushing assembly of the utility model and push the workbench and move to the state structure schematic view of work position storage mechanism;

[0031] Figure 3 It is the state structure schematic view of the work position conversion mechanism of the utility model and exchange workbench;

[0032] Figure 4 It is the state structure schematic view of the work position conversion mechanism of the utility model and exchange workbench;

[0033] Figure 5It is the state structure schematic view of two workbench conversion process for the work station storage mechanism in the utility model;

[0034] Figure 6 It is the perspective view of the work station storage mechanism in the utility model;

[0035] Figure 7 It is the plane structure schematic view of the work station storage mechanism in the utility model;

[0036] Figure 8 It is the structure schematic view of the work station positioning pin connection between two chains in the utility model;

[0037] Figure 9 It is the position distribution structure schematic view of the chain wheel on the rack body in the utility model;

[0038] Figure 10 It is the connection structure schematic view between two chain wheels and the roller in the utility model;

[0039] Figure 11 It is the position distribution structure schematic view between the output gear and the reduction gear one in the utility model;

[0040] Figure 12 It is the plane view of the bolt assembly in the utility model;

[0041] Figure 13 It is the side structure schematic view of Figure 12 ;

[0042] Figure 14 It is the top structure schematic view of Figure 12 ;

[0043] Figure 15 It is the perspective view of the bolt assembly in the utility model;

[0044] Figure 16 It is the structure schematic view of the work station positioning plate in the utility model;

[0045] Figure 17 It is the structure schematic view of another angle of Figure 16 ;

[0046] Figure 18 It is the front structure schematic view of the workbench in the utility model;

[0047] Figure 19 It is the back structure schematic view of the workbench in the utility model;

[0048] Figure 20 It is the structure schematic view of the work station conversion mechanism initial state in the utility model;

[0049] Figure 21The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0050] Figure 22 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0051] Figure 23 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0052] Figure 24 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0053] Figure 25 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0054] Figure 26 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0055] Figure 27 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0056] Figure 28 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0057] Figure 29 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position; Figure 28 The utility model is in the state structure schematic view of the position conversion arm rotating to the exchangeable position;

[0058] In the figure: 1 - station storage mechanism; 2 - chain assembly; 3 - rack body; 4 - station positioning plate; 5 - bolt assembly; 6 - workbench; 7 - chain wheel; 8 - roller; 9 - chain wheel fixing shaft; 10 - guide disc; 11 - chain; 12 - rotating motor; 13 - output gear; 14 - speed reduction gear one; 15 - station positioning pin; 16 - positioning groove; 17 - horizontal sliding groove; 18 - spring pin; 19 - limiting hole; 20 - fixed support; 21 - fixed rod; 22 - fixed hole; 23 - hydraulic oil cylinder; 24 - ejection positioning pin; 25 - positioning hole; 26 - workbench positioning pin; 27 - auxiliary sliding groove; 28 - roller; 29 - rolling groove; 30 - inductive switch; 31 - displacement sensor; 32 - mounting frame; 33 - inductive part; 34 - groove; 35 - station conversion mechanism; 36 - station conversion support; 37 - station conversion arm; 38 - station conversion arm shaft; 39 - sliding groove; 40 - conversion arm buckle; 41 - driving part two; 42 - hydraulic motor; 43 - motor gear; 44 - speed reduction gear two; 45 - rotary motor; 46 - station conversion arm inner shaft; 47 - driving tooth; 48 - rack; 49 - pressing strip; 50 - bearing one; 51 - outer thread section; 52 - station conversion arm signal disc one; 53 - sensor one; 54 - sensor two; 55 - station conversion arm signal disc two; 56 - sensor three; 57 - station conversion arm rotating seat; 58 - locking nut; 59 - station conversion arm motor seat; 60 - station conversion arm signal disc three; 61 - station conversion arm signal collector; 62 - signal tooth; 63 bearing two; 64 - auxiliary frame; 65 - loading table; 66 - clamping mechanism; 67 - overturning assembly; 68 - pushing assembly; 69 - overturning cylinder; 70 - overturning table; 71 - loading positioning plate; 72 - hinge seat; 73 - guide seat; 74 - pushing cylinder; 75 - limiting cylinder; 76 - conveying arm one; 77 - conveying arm two; 78 - conveying arm base; 79 - pin shaft; 80 - limiting groove; 81 - rotating shaft; 82 - bearing three; 83 - detent seat; 84 - detent hole; 85 - mounting seat; 86 - mounting hole; 87 - separation seat; 88 - separation piece; 89 - oil passage cavity one; 90 - oil passage cavity two; 91 - detent pin; 92 - oil inlet one; 93 - oil inlet two; 94 - abutting protrusion; 95 - limiting peg. DETAILED DESCRIPTION

[0059] As Figures 1 to 29 shown, it is a vertical multi-station exchange equipment, including loading table 65, clamping mechanism 66, station storage mechanism 1 and station conversion mechanism 35, workbench 6 is arranged on loading table 65, workpiece is loaded on workbench 6 on loading table 65, clamping mechanism 66 is arranged on loading table 65, station storage mechanism 1 is used to store the workbench 6 loaded with workpiece, clamping mechanism 66 removes the workbench 6 loaded with workpiece to station storage mechanism 1; station conversion mechanism 35 exchanges the workbench 6 on station storage mechanism 1 and removes.

[0060] The work station storage mechanism 1 comprises a rack body 3, a chain assembly 2, a work station positioning plate 4 and a latch assembly 5, the chain assembly 2 and the latch assembly 5 are arranged on the rack body 3, the work station positioning plate 4 is arranged on the chain assembly 2, and a workbench 6 is limitingly installed on the work station positioning plate 4; the chain assembly 2 drives the work station positioning plate 4 to rotate synchronously when it is started, so as to realize the conversion and adjustment of the position of the workbench 6, the latch assembly 5 positions and fixes the workbench 6 after the position conversion, and the work station conversion mechanism 35 exchanges and outputs the workbench 6 which is positioned and fixed.

[0061] The bottom of the rack body 3 is provided with a fixed support 20, the bottom surface of the fixed support 20 is provided with a fixed rod 21, and the fixed rod 21 is provided with a fixed hole 22. The fixed support 20 and the rack body 3 are fixed by screws, which is reasonable in design, convenient to disassemble and assemble, and ensures the firmness of the structure after assembly. Meanwhile, the fixed rod 21 with the fixed hole 22 is arranged on the fixed support 20, so that the overall installation and fixation of the work station storage mechanism 1 on other equipment is facilitated, and actual assembly is facilitated.

[0062] The chain assembly 2 comprises a chain wheel 7, a roller 8, a chain wheel fixing shaft 9, a guide disc 10, a rotating motor 12, an output gear 13 and a speed reduction gear one 14. The chain wheel 7 is arranged in correspondence with the guide disc 10 up and down, two chain wheels 7 are symmetrically fixed on the roller 8, the chain 11 is arranged in tension between the chain wheel 7 and the corresponding guide disc 10, the guide disc 10 is fixed on the rack body 3, the roller 8 is fixed on the chain wheel fixing shaft 9, the chain wheel fixing shaft 9 is rotationally connected with the rotating motor 12, the output end of the rotating motor 12 is fixedly connected with the output gear 13, the speed reduction gear one 14 is fixed on the chain wheel fixing shaft 9, and the output gear 13 is engaged with the speed reduction gear one 14. The roller 8 is connected between the two chain wheels 7, and is integrally installed on the chain wheel fixing shaft 9 through the roller 8. The chain wheel fixing shaft 9 is directly rotationally connected with the rotating motor 12, a bearing is arranged in the rotating motor 12, and the chain wheel fixing shaft 9 is connected with the bearing, so as to realize the connection and fixation between the chain wheel fixing shaft 9 and the rotating motor 12, and meanwhile, the rotation operation of the chain wheel fixing shaft 9 is not affected. The rotating motor 12 drives the output gear 13 to rotate, the output gear 13 drives the speed reduction gear one 14 engaged therewith to rotate, the speed reduction gear one 14 drives the chain wheel fixing shaft 9 fixedly connected therewith to rotate synchronously, and the rotating motor 12 provides a power source to drive the chain wheel 7 to rotate through the output gear 13 and the speed reduction gear one 14. The chain wheel 7 drives the chain 11 to rotate, realizes the rotation adjustment of the position of the workbench 6, and makes the chain wheel fixing shaft 9 reach a set rotating speed through the transmission engagement of the output gear 13 and the speed reduction gear one 14, so as to control the transmission rotating speed of the chain 11, and further control the rotation adjustment speed of the workbench 6, so that the rotation adjustment process of the workbench 6 is more stable, and the operation safety is improved.

[0063] Two chain 11 between the connection of the station positioning pin 15, along the length of the chain 11 evenly distributed, the station positioning plate 4 is provided with positioning slot 16, the station positioning plate 4 through the positioning slot 16 limit card in the station positioning pin 15. Station positioning pin 15 connects two chain 11, so that the chain assembly 2 structure is more stable and reliable, and the station positioning pin 15 and the positioning slot 16 on the station positioning plate 4 carding cooperation, realize the carding fixed of station positioning plate 4 on the chain assembly 2, design is reasonable, easy to install. And the station positioning plate 4 carding to the station positioning pin 15, and can further limit stable between the two chain 11, so that the chain assembly 2 is more stable, reduce the failure rate. Each station positioning pin 15 can be carding a station positioning plate 4, and each station positioning plate 4 placed a workbench 6, so that the mechanism can be placed more than one workbench 6, improve the storage capacity.

[0064] The workbench 6 is provided with workbench positioning pin 26 and horizontal sliding slot 17, the rack body 3 is provided with auxiliary sliding slot 27 and rolling groove 29, the workbench positioning pin 26 is slidingly connected in the auxiliary sliding slot 27, the workbench 6 is slidingly connected on the station positioning plate 4 through the horizontal sliding slot 17, and the station positioning plate 4 is provided with spring pin 18, the back surface of the workbench 6 is provided with limiting hole 19, the end of the spring pin 18 is limitingly connected in the limiting hole 19, the limiting and fixing of the workbench 6 on the station positioning plate 4 is realized, the spring pin 18 is provided with spring, so that the end of the spring pin 18 is clamped in the limiting hole 19 under the action of the spring, the stability and reliability of the workbench 6 on the station positioning plate 4 is ensured, the station positioning plate 4 is provided with roller 28, the roller 28 is slidingly connected in the rolling groove 29. The workbench positioning pin 26 can facilitate the exchange operation of the workbench 6 by the station conversion mechanism 35, the auxiliary sliding slot 27 cooperates with the design of the workbench positioning pin 26, which can facilitate the placement of the workbench 6. At the same time, in the process of rotating and adjusting the workbench 6 driven by the chain assembly 2, the workbench positioning pin 26 always moves along the auxiliary sliding slot 27 synchronously, improving the stability and reliability of the workbench 6 in the process of rotating and adjusting. The roller 28 cooperates with the rolling groove 29 to realize the rolling connection of the station positioning plate 4 on the rack body 3, so that the roller 28 slides along the rolling groove 29 synchronously in the process of rotating and adjusting the workbench 6 driven by the chain assembly 2, further improving the stability and reliability of the workbench 6 in the process of rotating and adjusting, reducing the failure rate,

[0065] The latch assembly 5 comprises a mounting frame 32, a hydraulic cylinder 23, an ejection positioning pin 24 and a displacement sensor 31, the hydraulic cylinder 23 is fixed on the rack body 3 through the mounting frame 32, the piston rod end of the hydraulic cylinder 23 is connected with the ejection positioning pin 24 through a connecting block, the displacement sensor 31 is arranged below the connecting block, the work position positioning plate 4 is provided with a positioning hole 25, the ejection positioning pin 24 is matched with the positioning hole 25; the hydraulic cylinder 23 pushes the ejection positioning pin 24 to move and insert into the corresponding positioning hole 25, so as to position and fix the corresponding work position positioning plate 4, thereby positioning and fixing the workbench 6 to be positioned, facilitating the exchange operation of the workbench 6 by the subsequent work position conversion mechanism 35. At the same time, in the pushing process of the hydraulic cylinder 23, the displacement sensor 31 senses the pushing displacement of the hydraulic cylinder 23, so as to ensure that the ejection positioning pin 24 moves to the accurate position, thereby improving the reliability of the whole operation process.

[0066] The rack body 3 is provided with an inductive switch 30, the workbench 6 is provided with a sensing part 33, the sensing part 33 is provided with a groove 34, the inductive switch 30 senses the change of the number of grooves 34 to identify the workbench 6. The workbench 6 is provided with a plurality of workbenches 6, and different types of workbenches 6 can be placed, the number of grooves 34 at the sensing part 33 of each workbench 6 is indefinite, for example: the sensing part 33 of the first workbench 6 is provided with one groove 34, the sensing part 33 of the second workbench 6 is provided with two grooves 34, and so on. Since the number of grooves 34 changes, the inductive switch 30 can sense each workbench 6, when the workbench 6 is needed, the mechanism starts to rotate and run until the inductive switch 30 senses that the corresponding workbench 6 moves to the position, then the workbench 6 is stopped at the exchangeable position, realizing the accurate positioning of the workbench 6 and the latch assembly 5, and then cooperating with the latch assembly 5 to position and fix the corresponding workbench 6. The sensing part 33 cooperates with the inductive switch 30, the inductive switch 33 senses the groove 34 to identify the number of workbenches, so as to rotate and stop the corresponding workbench 6 at the exchangeable position according to the demand, and then cooperate with the latch assembly 5 to position and fix the corresponding workbench 6, facilitating the exchange operation of the workbench 6 by the subsequent work position conversion mechanism 35.

[0067] The station conversion mechanism 35 comprises a station conversion support 36, a station conversion arm 37, a hydraulic motor 42, a motor gear 43, a second speed reduction gear 44 and a driving part 41, the station conversion arm 37 is connected with a station conversion arm shaft 38, the station conversion arm shaft 38 is rotationally arranged on the station conversion support 36, a bearing one 50 is arranged between the station conversion arm shaft 38 and the station conversion support 36, a sliding groove 39 is arranged on the station conversion arm 37, a conversion arm buckle 40 is arranged in the sliding groove 39, the buckle connection between the station conversion arm 37 and the workbench 6 is realized through the conversion arm buckle 40, the hydraulic motor 42 is fixed on the station conversion support 36, the hydraulic motor 42 is connected with the motor gear 43, the second speed reduction gear 44 is fixed on the station conversion arm shaft 38, the motor gear 43 is engaged with the second speed reduction gear 44; the hydraulic motor 42 drives the motor gear 43 to rotate, the motor gear 43 drives the second speed reduction gear 44 engaged with it to rotate synchronously, the second speed reduction gear 44 drives the station conversion arm shaft 38 fixed with it to rotate synchronously, and the conversion of the station of the station conversion arm 37 is realized. The structure is clever and reasonable, the hydraulic motor 42 provides a power source, the station conversion arm shaft 38 is driven to rotate through the motor gear 43 and the second speed reduction gear 44, and then the station conversion arm 37 is driven to rotate, and the station conversion arm shaft 38 can reach a set rotating speed through the motor gear 43 and the second speed reduction gear 44, the rotating speed of the station conversion arm shaft 38 is controlled, the whole exchange operation process is more stable and safe.

[0068] The driving member 41 comprises a rotary motor 45, a work station conversion arm inner shaft 46, a driving tooth 47 and a rack 48. The work station conversion arm inner shaft 46 is rotationally arranged in the work station conversion arm shaft 38, and a bearing two 63 is arranged between the work station conversion arm inner shaft 46 and the work station conversion arm shaft 38. The rotary motor 45 is fixed on the work station conversion arm shaft 38, one end of the work station conversion arm inner shaft 46 is connected with the rotary motor 45, and the other end of the work station conversion arm inner shaft 46 is connected with the driving tooth 47. Two racks 48 are arranged in a staggered and symmetrical manner on the work station conversion arm 37, and both of the two racks 48 are engaged with the driving tooth 47. The ends of the two racks 48 away from each other are both fixedly provided with a conversion arm buckle 40. When the rotary motor 45 drives the driving tooth 47 to rotate through the work station conversion arm inner shaft 46, the two racks 48 move towards or away from each other, thereby realizing the movement of the two conversion arm buckles 40 towards or away from each other. The rotary motor 45 provides a power source to drive the work station conversion arm inner shaft 46 to rotate, and the work station conversion arm inner shaft 46 drives the driving tooth 47 to rotate, and the driving tooth 47 drives the two racks 48 engaged therewith to move towards or away from each other, thereby realizing the movement of the conversion arm buckles 40 on the two racks 48 towards or away from each other. The conversion arm buckles 40 are buckled with the corresponding workstations 6, thereby realizing the exchange operation of the two workstations 6 through the movement of the two conversion arm buckles 40. The workstations 6 are also provided with workpieces corresponding to the tooling. The exchange operation between the two workpieces can be realized by exchanging the two workstations 6. The whole operation process is smooth and simple. Furthermore, a bearing one 50 is arranged between the work station conversion arm shaft 38 and the work station conversion support 36. When the rotary motor 45 is started, it drives the work station conversion arm inner shaft 46 to rotate in the bearing one 50 in the work station conversion arm shaft 38. The bearing one 50 is arranged to realize the rotational arrangement between the work station conversion arm inner shaft 46 and the work station conversion arm shaft 38, and can reduce the friction and wear between the two, which is more conducive to the rotation of the work station conversion arm inner shaft 46.

[0069] The work station conversion arm 37 is provided with two pressing strips 49, and the two pressing strips 49 and the work station conversion arm 37 form a sliding groove 39 therebetween. The two pressing strips 49 correspond to the two racks 48, and the pressing strips 49 are limited to abut against the side surfaces of the corresponding racks 48. The structure is designed ingeniously and reasonably. The pressing strips 49 and the work station conversion arm 37 are provided with holes in advance, and screws can be used to realize detachable installation, which is convenient for disassembly, maintenance and the like of the internal racks 48 and conversion arm buckles 40. The pressing strips 49 are limited to abut against the side surfaces of the corresponding racks 48, and the conversion arm buckles 40 are slidably buckled in the sliding groove 39, so that the racks 48 can only move in the direction of the corresponding pressing strips 49, and the racks 48 drive the corresponding conversion arm buckles 40 to move synchronously along the sliding groove 39, thereby effectively improving the structural stability and reliability of the whole assembly, making the work station exchange process safer and more stable. The two sides of the work station conversion arm 37 are both provided with oil channels. Through the oil channel arrangement, the addition of lubricating oil can be facilitated to lubricate the racks 48.

[0070] The outer threaded section 51 is provided at the end connected with the rotary motor 45 on the inner shaft 46 of the station conversion arm, and the station conversion arm signal disc one 52 is screwed on the outer threaded section 51. The sensor one 53 and the sensor two 54 are provided on the station conversion support 36 and are distributed on the left and right sides of the station conversion arm signal disc one 52. When the rotary motor 45 drives the inner shaft 46 of the station conversion arm to rotate, the station conversion arm signal disc one 52 moves synchronously left and right along the outer threaded section 51. The rotary motor 45 drives the inner shaft 46 of the station conversion arm to rotate, realizing the moving of the two conversion arm buckles 40 towards or away from each other. Through the cooperation of the station conversion arm signal disc one 52 and the sensor one 53 and the sensor two 54, two limit switches are similarly arranged. When the station conversion arm signal disc one 52 touches the sensor one 53 or the sensor two 54, it represents that the set limit switch position is reached, indicating that the corresponding action of the rotary motor 45 is correctly in place, so as to accurately control whether the action of the rotary motor 45 is in place, ensuring whether the conversion arm buckle 40 is moved in place, thereby improving the stability, efficiency and safety of the exchange operation.

[0071] The station conversion arm signal disc two 55 is provided outside the rotary motor 45, and the sensor three 56 is provided on the station conversion support 36 and located directly below the station conversion arm signal disc two 55. The sensor three 56 is used for detecting the signal of the station conversion arm signal disc two 55. When the station conversion arm 37 is vertically arranged in the initial state, the sensor three 56 corresponds to the inner groove on the station conversion arm signal disc two 55, which facilitates the subsequent control of the reset accuracy of the rotary motor 45 and ensures that the reset action of the hydraulic motor 42 is correctly in place. In the whole station exchange process, the rotary motor 45 will rotate synchronously with the rotation of the station conversion arm shaft 38 and the station conversion arm 37. The station conversion arm shaft 38 and the station conversion arm 37 are driven to rotate by the hydraulic motor 42. After the whole exchange operation is completed, the hydraulic motor 42 drives the station conversion arm 37 to rotate and reset, and at the same time, the rotary motor 45 also rotates and resets synchronously. When the sensor three 56 senses the inner groove on the station conversion arm signal disc two 55, it indicates that the rotary motor 45 is reset in place, and the rotating reset action of the hydraulic motor 42 is correctly in place. The sensor one 53, the sensor two 54 and the sensor three 56 are commonly installed on an auxiliary frame 64, and the auxiliary frame 64 is fixedly connected with the station conversion support 36, which is reasonable in design and effectively ensures the firmness of the installation of the sensors.

[0072] The work station conversion arm rotating seat 57 is connected to the work station conversion arm shaft 38 through a key and is locked and fixed to the work station conversion arm shaft 38 through the locking nut 58, effectively ensuring the firmness and reliability of installation. The work station conversion arm motor seat 59 is fixedly connected to the work station conversion arm rotating seat 57, and the rotary motor 45 is fixedly installed on the work station conversion arm motor seat 59. The work station conversion arm motor seat 59 is provided with a slot hole, which realizes the adaptive installation between the work station conversion arm signal disc one 52 and the work station conversion arm motor seat 59. A guide rod is further arranged in the slot hole, penetrates through the work station conversion arm signal disc one 52, and can also serve as an auxiliary guide and limit during the left and right movement of the work station conversion arm signal disc one 52, so that the movement of the work station conversion arm signal disc one 52 is more stable and reliable. The work station conversion arm motor seat 59 and the work station conversion arm rotating seat 57 are fixedly connected through screws, and the rotary motor 45 and the work station conversion arm motor seat 59 are also fixedly connected through screws. The design is reasonable, the installation and disassembly are convenient and simple, and the structural stability after assembly is ensured. The work station conversion arm signal disc three 60 is fixed to the work station conversion arm shaft 38, and the work station conversion arm signal collector 61 is arranged on the work station conversion support 36 and located directly above the work station conversion arm signal disc three 60. When the work station conversion arm shaft 38 drives the work station conversion arm signal disc three 60 to rotate, the work station conversion arm signal collector 61 senses the change of the signal tooth 62 on the work station conversion arm signal disc three 60. Through the cooperation of the work station conversion arm signal collector 61 and the work station conversion arm signal disc three 60, the rotation angle of the work station conversion arm shaft 38 can be accurately controlled, and the accuracy of the work station conversion position of the work station conversion arm 37 is ensured. The work station conversion arm 37 is provided with a resisting block 94, and the work station conversion support 36 is provided with a limiting pin 95 arranged on both sides of the work station conversion arm shaft 38. The design of the resisting block 94 cooperating with the two limiting pins 95 can be used for mechanical limiting after the work station conversion arm signal disc three 60 and the work station conversion arm signal collector 61 fail, so as to prevent the work station conversion arm shaft 38 from rotating excessively and improve the operation safety.

[0073] The bearing two 63 is arranged between the work station conversion arm shaft 38 and the work station conversion support 36 and is distributed at both ends of the work station conversion arm shaft 38. The bearing two 63 realizes the rotational arrangement between the work station conversion arm shaft 38 and the work station conversion support 36. When the hydraulic motor 42 starts, the work station conversion arm shaft 38 rotates in the bearing two 63 in the work station conversion support 36. The arrangement of the bearing two 63 realizes the rotational arrangement between the work station conversion arm shaft 38 and the work station conversion support 36, reduces the friction and wear between the two, and is more conducive to the work station conversion operation of the work station conversion arm 37.

[0074] The work station conversion arm 37 is initially arranged perpendicularly to the horizontal plane, then the hydraulic motor 42 is started to drive the work station conversion arm 37 to rotate counterclockwise by 90°, so that the two conversion arm buckles 40 on the work station conversion arm 37 are buckled into the corresponding two work stations 6, each of which is tool-fitted with a workpiece, then the rotary motor 45 is started to drive the driving teeth 47 to rotate, the driving teeth 47 drive the two racks 48 to move towards each other, the racks 48 drive the conversion arm buckles 40 to move towards each other synchronously, so as to drag the work stations 6 buckled with the conversion arm buckles 40 to the middle of the work station conversion arm 37, the work stations 6 drive the workpieces to be separated from the corresponding work stations, then the hydraulic motor 42 continues to drive the work station conversion arm 37 to rotate clockwise by 180°, so as to exchange the positions of the two work stations 6, then the rotary motor 45 is started to drive the two racks 48 to move in opposite directions, the racks 48 drive the corresponding work stations 6 to move outward through the conversion arm buckles 40, so as to exchange the installation of the two work stations 6 to the corresponding other work stations, so as to realize the exchange operation between the two work stations 6, finally the hydraulic motor 42 drives the work station conversion arm 37 to rotate counterclockwise by 90°, so as to return to the original position and wait for the next exchange operation.

[0075] The clamping mechanism 66 comprises a turnover assembly 67 and a pushing assembly 68. The turnover assembly 67 comprises a turnover cylinder 69, a turnover table 70 and a loading positioning plate 71. The turnover cylinder 69 is hingedly installed on the loading table 65. A hinge seat 72 is hingedly connected to the end of the piston rod of the turnover cylinder 69. The hinge seat 72 is connected with the turnover table 70. The loading positioning plate 71 is arranged on the turnover table 70 and is used for positioning and placing the work station 6 on the turnover table 70. The turnover table 70 is provided with a guide seat 73. The turnover of the work station 6 is realized by driving the turnover of the turnover table 70 and the loading positioning plate 71 through the extension and retraction of the turnover cylinder 69. The turnover work station 6 is pushed to the work station storage mechanism 1 by the pushing assembly. The structure design is compact and reasonable, and the operation is convenient. The work station 6 is matched and clamped on the loading positioning plate 71 through the horizontal sliding slot 17. The spring pin 18 is also arranged on the loading positioning plate 71. The end of the spring pin 18 is limitingly clamped in the limiting hole 19 on the back of the work station 6, so as to realize the limiting and fixing of the work station 6 on the loading positioning plate 71. Correspondingly, the guide seat 73 is also matched with the horizontal sliding slot 17. When the pushing assembly 68 pushes the work station 6 to move, the work station 6 slides along the loading positioning plate 71 and gradually slides into the guide seat 73, and then is gradually moved and clamped into the work station positioning plate 4 on the work station storage mechanism 1 through the guidance of the guide seat 73. The guidance transition of the guide seat 73 makes the pushing process of the whole work station 6 more stable and reliable, and improves the operation safety.

[0076] The pushing assembly 68 comprises a pushing cylinder 74, a limiting cylinder 75, a conveying arm one 76, a conveying arm two 77 and a conveying arm base 78. The pushing cylinder 74 is arranged on the loading table 65. The piston rod end of the pushing cylinder 74 is hinged to the conveying arm two 77. The conveying arm one 76 is hinged to the conveying arm two 77. The conveying arm two 77 is hinged to the conveying arm base 78. The conveying arm base 78 is fixedly arranged on the loading table 65. The limiting cylinder 75 is fixed on the conveying arm two 77. The piston rod end of the limiting cylinder 75 is hinged to the conveying arm one 76. The conveying arm one 76 is provided with a pin shaft 79. The workbench 6 is provided with a limiting groove 80 which is located at one side of the induction part 33. The limiting cylinder 75 drives the conveying arm one 76 to swing so that the pin shaft 79 is clamped into the limiting groove 80. The pushing cylinder 74 drives the conveying arm two 77 to rotate. The conveying arm two 77 drives the conveying arm one 76 to move synchronously. The conveying arm one 76 drives the workbench 6 to be pushed into the work position storage mechanism 1 through the pin shaft 79. After the turnover cylinder 69 turns the turnover table 70 by 90°, the workbench 6 on the turnover table 70 is also turned by 90° synchronously. The workbench 6 is turned to be parallel to the work position positioning plate 4 which is locked on the work position storage mechanism 1. Then the limiting cylinder 75 drives the conveying arm one 76 to move so that the pin shaft 79 is clamped into the limiting groove 80 of the workbench 6. Then the pushing cylinder 74 is started to drive the conveying arm two 77 to move to the work position storage mechanism 1, and then to drive the workbench 6 to move into the work position storage mechanism 1 gradually.

[0077] The turnover table 70 is rotatably arranged with a rotating shaft 81. The loading positioning plate 71 is fixedly connected to the top end of the rotating shaft 81. The bearing three 82 is arranged between the rotating shaft 81 and the loading table 65. The rotating shaft 81 and the turnover table 70 are rotatably arranged through the bearing three 82, which reduces the friction and wear between them, thereby being more conducive to the rotational adjustment of the loading positioning plate 71 and facilitating the actual tool operation. The bottom end of the rotating shaft 81 extends into the turnover table 70 and is fixedly connected to the clamping seat 83. The clamping seat 83 is integrally formed with the rotating shaft 81. The clamping seat 83 is provided with a clamping hole 84. The bottom of the turnover table 70 is provided with a mounting seat 85. The mounting seat 85 is provided with a mounting hole 86. The turnover table 70 is provided with a partition seat 87 which is movably clamped between the rotating shaft 81 and the mounting seat 85. The partition seat 87 is provided with a partition plate 88 in the middle. The partition plate 88 divides the turnover table 70 into an oil passage cavity one 89 and an oil passage cavity two 90. The partition plate 88 is provided with a clamping pin 91 which is movably clamped in the mounting hole 86. The head of the clamping pin 91 is limitingly clamped in the corresponding clamping hole 84 to limit and fix the clamping seat 83, thereby locking the rotating shaft 81 and the loading positioning plate 71 so that the workbench 6 cannot rotate. The side surface of the turnover table 70 is provided with an oil inlet one 92 and an oil inlet two 93. The oil inlet one 92 is communicated with the oil passage cavity one 89. The oil inlet two 93 is communicated with the oil passage cavity two 90.

[0078] When the workbench 6 needs to be rotated, the pressure oil enters the oil passage cavity one 89 from the oil inlet one 92 and extrudes the partition sheet 88 downward, so that the partition seat 87 drives the clamping pin 91 to move downward, and the head of the clamping pin 91 is released from the corresponding clamping hole 84 to release the rotating shaft 81; when the workbench 6 is rotated to the position, the pressure oil enters the oil passage cavity two 90 from the oil inlet two 93 and extrudes the partition sheet 88 upward, so that the partition seat 87 drives the clamping pin 91 to move upward, and the head of the clamping pin 91 is clamped into the corresponding clamping hole 84 to lock the rotating shaft 81. The structure is ingenious and reasonable, the loading positioning plate 71 is rotated on the turnover table 70 through the rotating shaft 81, the angle adjustment can conveniently install the product and the tooling on the workbench 6, the clamping hole 84 is uniformly distributed in four circumferential directions, the head of the clamping pin 91 is clamped into the clamping hole 84 at different positions, so that the workbench 6 in the position state is limited and fixed, so that the workbench 6 does not rotate in the tooling process, and actual operation is facilitated, and when the workbench 6 needs to be rotated, the pressure oil is controlled to enter the oil passage cavity one 89 from the oil inlet one 92, so that the partition sheet 88 is extruded downward, the head of the clamping pin 91 can be separated from the clamping hole 84, the rotating shaft 81 is released, and the workbench 6 can be rotated and adjusted. When the workbench 6 is rotated to the position, the pressure oil is controlled to enter the oil passage cavity two 90 from the oil inlet two 93, so that the partition sheet 88 is extruded upward, the head of the clamping pin 91 can be clamped into the corresponding clamping hole 84, and the opening end of the clamping hole 84 is designed as a tapered horn, which is more convenient for the clamping of the head of the clamping pin 91. During the upward and downward movement of the clamping pin 91, the tail end of the clamping pin is always guided and limited by the mounting hole 86, and at the same time, the upper and lower ends of the partition seat 87 are also guided and limited by the inner hole of the rotating shaft 81 and the inner hole of the mounting seat 85, so that the movement of the clamping pin 91 is more stable and reliable.

[0079] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification made on the basis of the present application to achieve basically the same technical effect is covered by the protection scope of the present application.

Claims

1. A vertical multi-position switching device, characterized by The utility model relates to a workpiece loading and unloading device, including: loading platform, workbench is located on the loading platform, workpiece is loaded on the workbench on the loading platform, and clamping mechanism is arranged on the loading platform; clamping mechanism, the clamping mechanism is arranged on the loading platform; Station storage mechanism, the station storage mechanism is used for storing the workbench of loading workpiece, and the clamping mechanism removes the workbench of loading workpiece to the station storage mechanism; Station conversion mechanism, the station conversion mechanism exchanges the workbench on the station storage mechanism and turns out; The station storage mechanism includes rack body, chain assembly, station positioning plate and bolt assembly, the chain assembly and the bolt assembly are located on the rack body, the station positioning plate is located on the chain assembly, and the workbench is limitedly installed on the station positioning plate; When the chain assembly starts, the station positioning plate is driven to rotate synchronously, the position of the workbench is converted and adjusted, the station positioning plate is positioned and fixed by the bolt assembly, and the station conversion mechanism exchanges and turns out the workbench.

2. A vertical multi-station switching device according to claim 1, characterized in that: The chain assembly includes a sprocket, a roller, a sprocket fixed shaft, a guide disc, a rotating motor, an output gear and a reduction gear one, the sprocket is arranged in correspondence with the guide disc, two sprockets are symmetrically fixed on the roller, chain is arranged between the sprocket and the corresponding guide disc, the guide disc is fixed on the rack body, the roller is fixed on the sprocket fixed shaft, the sprocket fixed shaft is rotatably connected with the rotating motor, the output end of the rotating motor is fixedly connected with the output gear, the reduction gear one is fixed on the sprocket fixed shaft, the output gear is engaged with the reduction gear one, the station positioning pin is connected between two chains, the station positioning pin is evenly distributed along the length direction of the chain, the station positioning plate is provided with a positioning groove, and the station positioning plate is limitedly clamped on the station positioning pin through the positioning groove; The rotating motor drives the output gear to rotate, the output gear drives the reduction gear one engaged with it to rotate, the reduction gear one drives the sprocket fixed shaft fixedly connected with it to rotate synchronously, the sprocket fixed shaft drives the sprocket to rotate synchronously through the roller, so as to drive the chain to rotate.

3. A vertical multi-station transfer apparatus according to claim 1, wherein: The workbench is provided with a workbench positioning pin and a horizontal sliding groove, the rack body is provided with an auxiliary sliding groove and a rolling groove, the workbench positioning pin is slidably clamped in the auxiliary sliding groove, the workbench is slidably clamped on the station positioning plate through the horizontal sliding groove, the station positioning plate is provided with a spring pin, the back surface of the workbench is provided with a limiting hole, the end of the spring pin is limitedly clamped in the limiting hole, the workbench is limitedly fixed on the station positioning plate, the station positioning plate is provided with a roller, and the roller is slidably clamped in the rolling groove.

4. A vertical multi-station transfer apparatus according to claim 1, wherein: The latch assembly comprises a mounting frame, a hydraulic cylinder, an ejection positioning pin and a displacement sensor, the hydraulic cylinder is fixed on the rack body through the mounting frame, the piston rod end of the hydraulic cylinder is connected with the ejection positioning pin through a connecting block, the displacement sensor is arranged below the connecting block, the work position positioning plate is provided with a positioning hole, the ejection positioning pin is matched with the positioning hole; The hydraulic cylinder pushes the ejection positioning pin to move and insert into the corresponding positioning hole, so as to position and fix the corresponding work position positioning plate.

5. A vertical multi-station transfer apparatus according to claim 1, wherein: The work position conversion mechanism comprises a work position conversion support, a work position conversion arm, a hydraulic motor, a motor gear, a reduction gear two and a driving piece, the work position conversion arm is connected with a work position conversion arm shaft, the work position conversion arm shaft is rotatably arranged on the work position conversion support, bearings one are arranged between the work position conversion arm shaft and the work position conversion support, the work position conversion arm is provided with a sliding groove, the sliding groove is provided with a conversion arm buckle, the conversion arm buckle is connected with the workbench through buckle connection, the hydraulic motor is fixed on the work position conversion support, the hydraulic motor is connected with the motor gear, the reduction gear two is fixed on the work position conversion arm shaft, and the motor gear is engaged with the reduction gear two. The hydraulic motor drives the motor gear to rotate, the motor gear drives the reduction gear two engaged therewith to rotate synchronously, and the reduction gear two drives the work position conversion arm shaft fixed therewith to rotate synchronously, so as to realize the conversion of the work position of the work position conversion arm.

6. A vertical multi-station switching device according to claim 5, characterized in that: The driving piece comprises a rotary motor, a work position conversion arm inner shaft, a driving tooth and a rack, the work position conversion arm inner shaft is rotatably arranged in the work position conversion arm shaft, bearings two are arranged between the work position conversion arm inner shaft and the work position conversion arm shaft, the rotary motor is fixed on the work position conversion arm shaft, one end of the work position conversion arm inner shaft is connected with the rotary motor, the other end of the work position conversion arm inner shaft is connected with the driving tooth, two racks are arranged in a staggered and symmetrical manner on the work position conversion arm, the two racks are engaged with the driving tooth, and the conversion arm buckles are fixedly arranged at the ends of the two racks away from each other. When the rotary motor drives the driving tooth to rotate through the work position conversion arm inner shaft, the two racks move towards or away from each other, so as to realize the movement of the two conversion arm buckles towards or away from each other.

7. A vertical multi-station transfer apparatus according to claim 6, characterized in that: An outer threaded section is arranged at the end of the work position conversion arm inner shaft connected with the rotary motor, a work position conversion arm signal disc one is screwed on the outer threaded section, sensors one and two are arranged on the work position conversion support, and the sensors one and two are distributed on the left and right sides of the work position conversion arm signal disc one. When the rotary motor drives the work position conversion arm inner shaft to rotate, the work position conversion arm signal disc one moves left and right along the outer threaded section.

8. A vertical multi-station transfer apparatus according to claim 1, wherein: The clamping mechanism comprises a turnover assembly and a pushing assembly, the turnover assembly comprises a turnover cylinder, a turnover table and a loading positioning plate, the turnover cylinder is hingedly installed on the loading table, a hinge seat is hingedly connected to the piston rod end of the turnover cylinder, the hinge seat is connected with the turnover table, the loading positioning plate is arranged on the turnover table, the loading positioning plate is used for positioning and placing the workbench on the turnover table, and a guide seat is arranged on the turnover table. The turnover of the workbench is realized by driving the turnover of the turnover table and the loading positioning plate through the extension and retraction of the turnover cylinder, and the pushing assembly pushes the turned-over workbench along the loading positioning plate and the guide seat to the work position storage mechanism.

9. A vertical multi-station transfer apparatus according to claim 8, characterized in that: The pushing assembly comprises a pushing cylinder, a limiting cylinder, a conveying arm one, a conveying arm two and a conveying arm base, the pushing cylinder is arranged on the loading table, the piston rod end of the pushing cylinder is hingedly connected with the conveying arm two, the conveying arm one is hingedly connected with the conveying arm two, the conveying arm two is hingedly connected with the conveying arm base, the conveying arm base is fixedly installed on the loading table, the limiting cylinder is fixed on the conveying arm two, the piston rod end of the limiting cylinder is hingedly connected with the conveying arm one, a pin shaft is arranged on the conveying arm one, and a limiting groove is arranged on the workbench. The limiting cylinder drives the swinging of the conveying arm one so that the pin shaft is clamped into the limiting groove, the pushing cylinder further drives the rotation of the conveying arm two, the conveying arm two drives the synchronous movement of the conveying arm one, and the conveying arm one drives the pushing of the workbench into the work position storage mechanism through the pin shaft.

10. A vertical multi-station switching device according to claim 8, characterized in that: A rotating shaft is rotatably arranged on the turnover table, the loading positioning plate is fixedly connected with the top end of the rotating shaft, bearings three are arranged between the rotating shaft and the loading table, the bottom end of the rotating shaft extends into the turnover table and is fixedly connected with a clamping seat, a clamping hole is arranged on the clamping seat, an installation seat is arranged on the bottom of the turnover table, an installation hole is arranged on the installation seat, a partition seat is arranged in the turnover table and is movably clamped between the rotating shaft and the installation seat, a partition plate is arranged in the middle of the partition seat, the partition plate divides the turnover table into an oil passage cavity one and an oil passage cavity two, a clamping pin is arranged to penetrate through the partition plate, the tail of the clamping pin is movably clamped in the installation hole, the head of the clamping pin is limitingly clamped in the corresponding clamping hole to limit and fix the clamping seat, thereby locking the rotating shaft and the loading positioning plate, so that the workbench cannot rotate, an oil inlet one and an oil inlet two are arranged on the side surface of the turnover table, the oil inlet one is communicated with the oil passage cavity one, and the oil inlet two is communicated with the oil passage cavity two. When the workbench needs to be rotated, pressure oil enters the oil passage cavity one from the oil inlet one and presses downward the partition plate, so that the partition seat drives the downward movement of the clamping pin, and the head of the clamping pin is released from the corresponding clamping hole to release the rotating shaft. When the workbench rotates to the position, the pressure oil enters into the oil passage cavity two from the oil inlet two and extrudes the partition sheet upward, so that the partition seat drives the clamping pin to move upward, and the head of the clamping pin is clamped into the corresponding clamping hole to lock the rotating shaft.

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