CN210655837U

CN210655837U - Full-automatic transfer lifting appliance for pure pneumatic sand core

Info

Publication number: CN210655837U
Application number: CN201921107634.1U
Authority: CN
Inventors: 张�浩; 任兴明; 柯贤成; 金立春
Original assignee: Shiyan Tiankai Mold Manufacture Co ltd
Current assignee: Shiyan Tiankai Mold Manufacture Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-02
Anticipated expiration: 2029-07-16

Abstract

A full-automatic transferring hanger for a pure pneumatic sand core comprises a lifting ring, a turnover connecting rod and an opening and closing cylinder; a hoisting ring is fixedly arranged at the middle position of the top side of the girder; positioning plate lifting cylinders are arranged on the girders on the two sides of the hoisting ring; the top of the guide pillar is provided with a connecting plate, and the lower side of the connecting plate is connected with a sand core height positioning block through the guide pillar; the bottom wall outside symmetry of girder is provided with two bearing frames, and the both ends end department of upset drive shaft and switching shaft all installs in the inboard of this bearing frame to the upset drive shaft is for rotating the installation. All the symmetry is provided with two graphite copper sheathing linear bearings on the both sides lateral wall of the girder that this full-automatic transportation hoist of pure pneumatic psammitolite was equipped with, and the guide pillar is provided with four altogether to inside this four equal slidable mounting of guide pillar are in graphite copper sheathing linear bearing, be favorable to carrying on effectual spacing to the guide pillar, prevent that the guide pillar from taking place to deflect when reciprocating and removing, thereby cause the damage of guide pillar.

Description

Full-automatic transfer lifting appliance for pure pneumatic sand core

Technical Field

The utility model relates to a commercial car casting professional equipment technical field especially relates to a full-automatic transport hoist of pure pneumatic psammitolite.

Background

In the process of producing cylinder body castings in a commercial vehicle casting factory, the main body core group needs to be translated to a mould of an automatic core-pulling machine from a transport trolley. The former transfer fixture is replaced, the cylinder sand core (DDI50) needs to be turned over during the transfer process, the transfer fixture cannot use a power supply due to the requirement of the field, and a purely pneumatic fixture is designed and manufactured to realize the function.

Current patent number of process patent retrieval is 201910022733.8's utility model relates to an upset hoist for casting technical field for the problem is emptyd in the upset of solving psammitolite, sand mould, foundry goods, and the upset hoist includes crossbeam, two hangs saddle, two suspension clasps. The two hanging saddles can reciprocate along the cross beam, so that the distance between the two hanging saddles is changed; the suspension buckle is in flexible connection with the lower part of the suspension saddle, is also positioned below the cross beam and is used for clamping and fixing a suspended object, and the flexible connection can be belt connection, chain connection and the like. The lifting saddle is arranged on the cross beam of the turnover lifting appliance, so that the lifting balance of the turnover lifting appliance is improved; through the arrangement of the hanging buckle with the balancing piece, the hung object can be turned over in a balanced manner, namely the balancing piece can solve the problems of overturning of the object and the like caused by the eccentric moment of the object.

There is patent No. 201410127181.4's utility model a large-scale foundry goods to lift by crane flip structure again, including foundry goods body (1), at least the shaping has a pair to follow the davit subassembly that thickness direction set up on foundry goods body (1), every vice davit subassembly is located about foundry goods body (1) by two symmetries davit (2) of side form, form between davit (2) and foundry goods body (1) and supply hoist lifting rope freely to wear through-hole (2.1), be equipped with last draw-in groove (2.2) with through-hole UNICOM according to the preface on the inner wall of davit (2), well draw-in groove (2.3), lower draw-in groove (2.4) embolia each draw-in groove and realize lifting by crane the upset from through-hole (2.1) with the hoist lifting rope, the centre point of the center line between well draw-in groove (2.3) on two davits (2) of every pair of davit subassembly and the focus of foundry goods body (1) are on same. The lifting and overturning structure has the advantages of safety and convenience in lifting and overturning.

Based on the above, the structural design of the existing sand core transferring lifting appliance is simpler than the traditional design, and the operation of turning over the lifting cylinder body core group cannot be realized; moreover, the conventional hoisting tool mostly adopts a traditional hand-turning reversing valve, and workers are easy to unnecessarily shake when using the hoisting tool, so that potential safety hazards are caused; and the existing lifting appliance is low in intelligence and complex to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full-automatic hoist of transporting of pure pneumatic psammitolite to the structural design tradition of proposing in solving above-mentioned background art is simple, can't realize easily taking place the unnecessary during hoist and mount and rock to the upset of hoist and mount cylinder body core group, and intelligent operation is lower, operates comparatively loaded down with trivial details problem.

The utility model discloses purpose and the efficiency of the full automatic transfer hoist of pure pneumatic psammitolite are reached by following concrete technological means:

a full-automatic transferring lifting appliance for a pure pneumatic sand core comprises a lifting ring, a turning connecting rod, a connecting plate, a positioning plate lifting cylinder, a guide pillar, a graphite copper sleeve linear bearing, a crossbeam, a bearing seat, a turning driving shaft, a moving arm, a sand core height positioning block, a control button, a handrail frame, a sand core positioning block, a sand core clamping plate, a positioning plate lifting induction, an opening and closing shaft, a clamping plate opening induction, an opening and closing cylinder, a turning cylinder, a driving chain, a positive wire connecting screw, a positive wire connecting nut, a negative wire connecting screw and a chain; a hoisting ring is fixedly arranged at the middle position of the top side of the girder; positioning plate lifting cylinders are arranged on the girders on the two sides of the hoisting ring; the top of the guide pillar is provided with a connecting plate, and the lower side of the connecting plate is connected with a sand core height positioning block through the guide pillar; two bearing seats are symmetrically arranged on the outer side of the bottom wall of the crossbeam, the end heads of the two ends of the turning driving shaft and the opening and closing shaft are both arranged on the inner side of the bearing seats, and the turning driving shaft is rotatably arranged; a sand core clamping plate is rotatably mounted on the inner wall of the bottom end of the moving arm, and two sand core positioning blocks are symmetrically arranged on the side wall of the sand core clamping plate; clamping plate opening induction is arranged on the outer side of each bearing seat and is electrically connected with the opening and closing air cylinder; and a positioning plate rising induction is further arranged on the limit stop block at the bottom side of the crossbeam, and the positioning plate rising induction is electrically connected with the positioning plate lifting cylinder.

Furthermore, two graphite copper sleeve linear bearings are symmetrically arranged on the side walls of the two sides of the crossbeam, four guide pillars are arranged, and the four guide pillars are all slidably mounted inside the graphite copper sleeve linear bearings.

Furthermore, the bottom side of the positioning plate lifting cylinder is fixed to the top of the girder through bolts, the top side push rod of the positioning plate lifting cylinder is connected and fixed to the bottom side of the connecting plate, and guide pillars are symmetrically arranged at two ends of the bottom side of the connecting plate.

Further, the symmetry is provided with two places cylinder that opens and shuts on the diapire of girder, and the both sides push rod that opens and shuts the cylinder all is fixed with through the hub connection that opens and shuts and moves the arm to it is provided with two places altogether to move the arm, moves the arm top and all is not connected with the girder.

Furthermore, a turnover cylinder is longitudinally installed at the middle position of the bottom wall of the crossbeam, a turnover connecting rod is movably hinged to the front end of the turnover cylinder, and the front end of the turnover connecting rod is fixedly embedded in the inner side of the turnover driving shaft.

Furthermore, both ends of the turnover driving shaft are connected to a rear side chain wheel of the sand core clamping plate through a driving chain in a transmission mode.

Furthermore, the driving chain is composed of four parts, namely a positive wire connecting screw rod, a positive wire connecting nut, a negative wire connecting nut, a reverse wire connecting screw rod and a chain, the upper end and the lower end of the driving chain are symmetrically arranged to be chain structures, and two sides of the inner end of the chain are connected with the reverse wire connecting screw rod through the positive wire connecting screw rod and the positive wire connecting nut.

Further, all be provided with handrail frame structure on the both ends lateral wall of girder, and the handrail frame structural design of both sides is different to all be provided with control button in step on the handrail frame.

Compare with current structure under, the utility model discloses following beneficial effect has:

all the symmetry is provided with two graphite copper sheathing linear bearings on the both sides lateral wall of girder that is equipped with, and the guide pillar is provided with four altogether to this four equal slidable mounting of guide pillar are inside graphite copper sheathing linear bearing, are favorable to carrying on effectual spacing to the guide pillar, prevent that the guide pillar from taking place to deflect when reciprocating and moving, thereby cause the damage of guide pillar.

The bottom side bolt fastening of locating plate lift cylinder that is equipped with is in the top of girder, and the top side push rod connection of locating plate lift cylinder is fixed in the bottom side of connecting plate to the bottom side both ends of connecting plate still symmetry are provided with the guide pillar, are favorable to starting to adjust through locating plate lift cylinder and realize reciprocating of guide pillar, thereby realize the high removal regulation to psammitolite height positioning piece, so that realize the location to different cylinder body core groups.

The symmetry is provided with two places and opens and shuts the cylinder on the diapire of girder that is equipped with, and the both sides push rod that opens and shuts the cylinder all is fixed with through the hub connection that opens and shuts and moves the arm to move the arm and be provided with two places altogether, move the arm top and all not be connected with the girder, be favorable to promoting to adjust the interval that moves the arm through the cylinder that opens and shuts, thereby realize the centre gripping operation of psammitolite grip block to cylinder body core group.

The diapire intermediate position department of the girder that is equipped with vertically installs a upset cylinder, and the front end activity of upset cylinder articulates there is a upset connecting rod, and the front end of upset connecting rod is fixed to be embedded in the inboard of upset drive shaft, is favorable to the back-and-forth movement through the push rod of upset cylinder to realize the spacing rotation of upset drive shaft through the upset connecting rod, so that realize adjusting the rotation of psammitolite grip block, thereby realize the upset operation to cylinder body core group.

The both ends of the upset drive shaft that is equipped with all are connected on the rear side sprocket of psammitolite grip block through drive chain transmission, are favorable to assisting to carry the turning force of upset drive shaft for the rear side sprocket of psammitolite grip block through drive chain on to realize the rotation of psammitolite grip block, this department drive chain's setting makes the more accurate of transmission, and stable strength is higher.

The drive chain that is equipped with comprises positive silk connecting screw and positive and negative silk coupling nut and the four bibliographic categories of anti-silk connecting screw and chain four bibliographic categories branch, and the upper and lower both ends symmetry of drive chain sets up to the chain structure to chain inner both sides all are connected with anti-silk connecting screw through positive silk connecting screw and positive and negative silk coupling nut, are favorable to realizing the regulation to the drive chain elasticity through adjusting positive and negative silk coupling nut, thereby improve the convenience that this drive chain's maintenance was changed and is adjusted.

All be provided with handrail frame structure on the both ends lateral wall of girder that is equipped with, and the handrail frame structural design of both sides is different to all be provided with control button in step on the handrail frame, be favorable to the staff to remove the regulation according to the different handrail frames that use of centre gripping psammitolite angle, and both sides all are provided with control button, effectively improve the convenient performance of operation.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention;

fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic view of the gas circuit flow of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a hoisting ring; 2. turning over the connecting rod; 3. a connecting plate; 4. a positioning plate lifting cylinder; 5. a guide post; 6. a graphite copper bush linear bearing; 7. a girder; 8. a bearing seat; 9. turning over the driving shaft; 10. moving the arm; 11. a sand core height positioning block; 12. a control button; 13. a handrail frame; 14. a sand core positioning block; 15. a sand core clamping plate; 16. the positioning plate is lifted and sensed; 17. opening and closing the shaft; 18. opening induction of the clamping plate; 19. an opening and closing cylinder; 20. turning over the air cylinder; 21. a drive chain; 2101. the positive wire is connected with the screw rod; 2102. the positive and negative threads are connected with a nut; 2103. the reverse thread is connected with the screw rod; 2104. and a chain.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides a full-automatic transportation hoist of pure pneumatic psammitolite, including: the device comprises a lifting ring 1, a turnover connecting rod 2, a connecting plate 3, a positioning plate lifting cylinder 4, a guide pillar 5, a graphite copper sleeve linear bearing 6, a girder 7, a bearing seat 8, a turnover driving shaft 9, a moving arm 10, a sand core height positioning block 11, a control button 12, a handrail frame 13, a sand core positioning block 14, a sand core clamping plate 15, a positioning plate lifting induction 16, an opening and closing shaft 17, a clamping plate opening induction 18, an opening and closing cylinder 19, a turnover cylinder 20, a driving chain 21, a positive wire connecting screw 2101, a positive wire connecting nut 2102, a negative wire connecting screw 2103 and a chain 2104; a hoisting ring 1 is fixedly arranged at the middle position of the top side of the girder 7; the positioning plate lifting cylinders 4 are arranged on the girders 7 on the two sides of the hoisting ring 1; the top of the guide pillar 5 is provided with a connecting plate 3, and the lower side of the connecting plate 3 is connected with a sand core height positioning block 11 through the guide pillar 5; two bearing seats 8 are symmetrically arranged on the outer side of the bottom wall of the crossbeam 7, the end heads of two ends of the turning driving shaft 9 and the opening and closing shaft 17 are both arranged on the inner side of the bearing seats 8, and the turning driving shaft 9 is rotatably arranged; a sand core clamping plate 15 is rotatably mounted on the inner wall of the bottom end of the moving arm 10, and two sand core positioning blocks 14 are symmetrically arranged on the side wall of the sand core clamping plate 15; clamping plate opening inductions 18 are arranged on the outer sides of the bearing seats 8, and the clamping plate opening inductions 18 are electrically connected with the opening and closing air cylinders 19; and a positioning plate lifting induction 16 is further arranged on the limit stop block at the bottom side of the girder 7, and the positioning plate lifting induction 16 is electrically connected with the positioning plate lifting cylinder 4.

Wherein, equal symmetry is provided with two graphite copper sheathing linear bearing 6 on the both sides lateral wall of girder 7, and guide pillar 5 is provided with four altogether to inside these four equal slidable mounting of guide pillar 5 in graphite copper sheathing linear bearing 6, be convenient for carry on effectual spacing to guide pillar 5, prevent that guide pillar 5 from taking place to deflect when reciprocating and moving, thereby cause the damage of guide pillar 5.

The bottom side of the positioning plate lifting cylinder 4 is fixed to the top of the crossbeam 7 through bolts, the top side push rod of the positioning plate lifting cylinder 4 is connected and fixed to the bottom side of the connecting plate 3, guide pillars 5 are symmetrically arranged at two ends of the bottom side of the connecting plate 3, the positioning plate lifting cylinder 4 is convenient to start and adjust to achieve up-down movement of the guide pillars 5, and accordingly height moving adjustment of the sand core height positioning block 11 is achieved, and positioning of different cylinder body core groups is achieved.

Wherein, the symmetry is provided with two places cylinder 19 that opens and shuts on the diapire of girder 7, and the both sides push rod of cylinder 19 that opens and shuts all is connected through the axle 17 that opens and shuts and is fixed with and moves arm 10 to move arm 10 and be provided with two places altogether, move the arm 10 top and all be not connected with girder 7, be convenient for promote the interval of adjusting arm 10 that moves through cylinder 19 that opens and shuts, thereby realize the centre gripping operation of psammitolite grip block 15 to cylinder body core group.

Wherein, a department upset cylinder 20 is vertically installed to the diapire intermediate position department of girder 7, and the front end activity hinge of upset cylinder 20 has a department upset connecting rod 2, and the front end of upset connecting rod 2 is fixed in the inboard of upset drive shaft 9, is convenient for through the back-and-forth movement of the push rod of upset cylinder 20 to realize the spacing rotation of upset drive shaft 9 through upset connecting rod 2, so that realize adjusting the rotation of psammitolite grip block 15, thereby realize the upset operation to cylinder body core group.

Wherein, the both ends of upset drive shaft 9 all are connected on the rear side sprocket of psammitolite grip block 15 through drive chain 21 transmission, are convenient for supplementary the turning force with upset drive shaft 9 and carry for the rear side sprocket of psammitolite grip block 15 through drive chain 21 on to realize the rotation of psammitolite grip block 15, this department drive chain 21 set up make the transmission more accurate, and stability is higher.

The driving chain 21 is composed of four parts, namely a positive wire connecting screw 2101, a positive and negative wire connecting nut 2102, a negative wire connecting screw 2103 and a chain 2104, the upper end and the lower end of the driving chain 21 are symmetrically arranged to form a chain 2104 structure, two sides of the inner end of the chain 2104 are connected with the negative wire connecting screw 2103 through the positive wire connecting screw 2101 and the positive and negative wire connecting nut 2102, tightness of the driving chain 21 can be conveniently adjusted by adjusting the positive and negative wire connecting nut 2102, and convenience in maintenance, replacement and adjustment of the driving chain 21 is improved.

All be provided with handrail frame 13 structure on the both ends lateral wall of girder 7, and the handrail frame 13 structural design of both sides is different to all be provided with control button 12 in step on the handrail frame 13, the staff of being convenient for uses different handrail frames 13 to remove the regulation according to the difference of centre gripping psammitolite angle, and both sides all are provided with control button 12, effectively improve the convenience performance of operation.

The specific use mode and function of the embodiment are as follows:

when the pure pneumatic sand core full-automatic transferring lifting appliance is used, all air source pipelines are connected firstly and then can be used, when the pure pneumatic sand core full-automatic transferring lifting appliance is used, firstly, a lifting hook of a crown block is hung on a lifting ring 1, then the device is moved to the position above a cylinder body core group through the crown block, then an opening and closing air cylinder 19 is controlled to move through a control button 12 on a handrail frame 13, so that a moving arm 7 is controlled to move inwards and synchronously, a sand core clamping plate 15 realizes the clamping operation of the cylinder body core group, the height limiting of the cylinder body core group can be realized through a sand core height positioning block 11, the turning driving shaft 9 can be rotated at a certain angle through the pushing of a turning air cylinder 20 in the lifting process, so that a driving chain 21 drives the sand core clamping plate 15 to rotate at a certain angle, the turning lifting and transferring of the cylinder body core group are realized, and air cylinders on the device are all distributed by adopting, the operation is more convenient, and the device uses the control button 12 to control the valve to replace the former manual steering valve, so that a worker can operate the lifting appliance while holding the lifting appliance, and unnecessary shaking of the lifting appliance is avoided.

Referring to fig. 4, in the present invention, there are 5 pneumatic buttons (named as two-position three-way button type mechanical valve) on the clamp, and the long handle is installed three, namely "clamping", "rotating" and "rotating"; two short handles are arranged, namely a release handle and a rotary handle; further, the conventional operation flow is as follows:

the sand group is erected on the tray and is transported from the production line, the lifting appliance is lifted by the overhead travelling crane to be translated to the position above the core group, the overhead travelling crane descends, and the positioning block fixes the sand core. Press "pressing from both sides" tight button grip block and clamp the core group, the overhead traveling crane rises, press "rotatory" button locating piece and rise, rise to triggering limit switch (the academic name is two tee bend cam type mechanical valves) after targetting in place, core group upset 90 is horizontal state, the overhead traveling crane group translation is to core machine top down, the overhead traveling crane whereabouts is fixed a position until the core group is to core machine mould down in, press "release" button grip block to open the locating piece decline simultaneously, open the position at the grip block and trigger limit switch after targetting in place, the grip block derotation is for standing state preparation next circulation. The horizontally placed core group is clamped under an unconventional condition, the core group is erected in a reverse rotation mode by 90 degrees, at the moment, after a cycle is completed, the clamping plate is in a forward rotation mode to be in a horizontal state (the 'rotating horizontal' on the short handle is pressed), then the core group is clamped by pressing the 'clamping' button, the crown block lifts the lifting appliance and then presses the 'rotating erecting' button, the positioning block rises to trigger the limiting position (the core group is prevented from colliding with the positioning block), and the clamping plate drives the core group to rotate back to the erecting state;

the gas circuit consists of 5 cylinders (divided into three groups, namely two opening and closing cylinders, two sand core positioning cylinders and a turnover cylinder), 5 buttons (already mentioned above), 4 limit valves (two positioning blocks are lifted to the right (in a series connection relationship), two clamping plates are opened to the right (also in a series connection relationship), 3 two-position five-way double-gas control reversing valves (which are used for controlling the lifting of the positioning blocks, the rotation of the clamping plates and the opening and closing of the clamping plates respectively), 4 shuttle valves (or valves), one two-position three-way double-gas control reversing valve and one two-position five-way double-gas control reversing valve for selecting whether the positioning blocks are lifted to be in a forward rotation or a reverse rotation;

the reversing valves realize that one button intelligently controls the actions of a plurality of cylinders and realize the function that the air path automatically selects the action according to the previous conditions.

In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent replacements may be made to some technical features of the embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a full automatic transfer hoist of pure pneumatic psammitolite which characterized in that: the full-automatic transferring lifting appliance for the pure pneumatic sand core comprises a lifting ring (1), a turning connecting rod (2), a connecting plate (3), a positioning plate lifting cylinder (4), a guide pillar (5), a graphite copper sleeve linear bearing (6), a girder (7), a bearing seat (8), a turning driving shaft (9), a moving arm (10), a sand core height positioning block (11), a control button (12), a handrail frame (13), a sand core positioning block (14), a sand core clamping plate (15), a positioning plate lifting induction (16), an opening and closing shaft (17), a clamping plate opening induction (18), an opening and closing cylinder (19), a turning cylinder (20), a driving chain (21), a positive wire connecting screw rod (2101), a positive and negative wire connecting nut (2102), a negative wire connecting screw rod (2103) and a chain (2104); a hoisting ring (1) is fixedly arranged at the middle position of the top side of the girder (7); positioning plate lifting cylinders (4) are arranged on the girders (7) on the two sides of the hoisting ring (1); the top of the guide post (5) is provided with a connecting plate (3), and the lower side of the connecting plate (3) is connected with a sand core height positioning block (11) through the guide post (5); two bearing seats (8) are symmetrically arranged on the outer side of the bottom wall of the crossbeam (7), the ends of two ends of the turning driving shaft (9) and the opening and closing shaft (17) are both arranged on the inner side of the bearing seats (8), and the turning driving shaft (9) is rotatably arranged; a sand core clamping plate (15) is rotatably mounted on the inner wall of the bottom end of the moving arm (10), and two sand core positioning blocks (14) are symmetrically arranged on the side wall of the sand core clamping plate (15); clamping plate opening inductions (18) are arranged on the outer sides of the bearing seats (8), and the clamping plate opening inductions (18) are electrically connected with the opening and closing air cylinders (19); and a positioning plate lifting induction (16) is further arranged on the limit stop block at the bottom side of the girder (7), and the positioning plate lifting induction (16) is electrically connected with the positioning plate lifting cylinder (4).

2. The full-automatic transferring hanger for the pure pneumatic sand core according to claim 1, characterized in that: the two graphite copper sleeve linear bearings (6) are symmetrically arranged on the side walls of the two sides of the crossbeam (7), four guide columns (5) are arranged, and the four guide columns (5) are all slidably mounted inside the graphite copper sleeve linear bearings (6).

3. The full-automatic transferring hanger for the pure pneumatic sand core according to claim 1, characterized in that: the bottom side of the positioning plate lifting cylinder (4) is fixed to the top of the girder (7) through bolts, the top side push rod of the positioning plate lifting cylinder (4) is connected and fixed to the bottom side of the connecting plate (3), and guide columns (5) are symmetrically arranged at two ends of the bottom side of the connecting plate (3).

4. The full-automatic transferring hanger for the pure pneumatic sand core according to claim 1, characterized in that: two opening and closing cylinders (19) are symmetrically arranged on the bottom wall of the girder (7), push rods on two sides of the opening and closing cylinders (19) are fixedly connected with moving arms (10) through opening and closing shafts (17), the moving arms (10) are arranged at two positions, and the tops of the moving arms (10) are not connected with the girder (7).

5. The full-automatic transferring hanger for the pure pneumatic sand core according to claim 1, characterized in that: a turnover cylinder (20) is longitudinally installed at the middle position of the bottom wall of the girder (7), a turnover connecting rod (2) is movably hinged to the front end of the turnover cylinder (20), and the front end of the turnover connecting rod (2) is fixedly embedded on the inner side of a turnover driving shaft (9).

6. The full-automatic transferring hanger for the pure pneumatic sand core according to claim 1, characterized in that: and the two ends of the overturning driving shaft (9) are in transmission connection with rear side chain wheels of the sand core clamping plates (15) through driving chains (21).

7. The full-automatic transferring hanger for the pure pneumatic sand core according to claim 1, characterized in that: the driving chain (21) is composed of four parts, namely a positive wire connecting screw rod (2101), a positive and negative wire connecting nut (2102), a negative wire connecting screw rod (2103) and a chain (2104), the upper end and the lower end of the driving chain (21) are symmetrically arranged to form a chain (2104) structure, and two sides of the inner end of the chain (2104) are connected with the negative wire connecting screw rod (2103) through the positive wire connecting screw rod (2101) and the positive and negative wire connecting nut (2102).

8. The full-automatic transferring hanger for the pure pneumatic sand core according to claim 1, characterized in that: all be provided with handrail frame (13) structure on the both ends lateral wall of girder (7), and both sides handrail frame (13) structural design is different to all be provided with control button (12) in step on handrail frame (13).