CN112265907A

CN112265907A - Portal frame device for mechanical automation processing

Info

Publication number: CN112265907A
Application number: CN202011315798.0A
Authority: CN
Inventors: 李闯; 孙荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-22
Filing date: 2020-11-22
Publication date: 2021-01-26

Abstract

The invention belongs to the technical field of mechanical automatic machining, and discloses a portal frame device for mechanical automatic machining, which comprises two bases, wherein pillars are fixedly arranged in the middle of the top surfaces of the two bases, universal wheels are fixedly arranged on the front side and the rear side of the bottoms of the two bases, top beams are fixedly arranged on the tops of the two pillars, reinforced steel pipes are fixedly connected to the front side and the rear side of the top of the base, and the reinforced steel pipes are fixedly connected with the pillars. According to the invention, the output shaft of the servo motor drives the rotating shaft to rotate, and the wire winding device and the connecting shaft rotate to realize free winding and unwinding of the steel wire rope, so that the gravity from the moving cross beam acts on the wire winding device and the connecting shaft.

Description

Portal frame device for mechanical automation processing

Technical Field

The invention belongs to the technical field of mechanical automatic processing, and particularly relates to a portal frame device for mechanical automatic processing.

Background

The portal frame is a novel small-sized hoisting portal frame developed according to the requirements of carrying equipment, warehouse in and out goods, hoisting and maintaining heavy equipment and material transportation in the daily production of medium and small factory companies. The method is suitable for manufacturing parts, automobile repair factories, mines, civil engineering construction sites and occasions needing lifting. The common upper and lower use of doubling as material transportation and constructor in the construction realizes the jack-up mechanization, reducible manpower, reduction production operation cost improves work efficiency, and machining refers to the process of changing the overall dimension or the performance of work piece through a mechanical equipment. The machining method includes cutting machining and pressure machining, the automation is a process in which a machine or a device automatically operates or controls according to a preset program or instruction without human intervention, the mechanical automation is a process in which the machine or the device is automatically controlled in a mechanical mode, the mechanical automation is a process in which the machine or the device machines a workpiece or a part in an automatic mode, in the machining process, a portal frame is generally used for moving and placing the part, a circular ring is generally arranged at the top of the part, and the portal frame hooks the circular ring through a hook of an electric hoist to lift the part for movement.

When the existing portal frame device for mechanical automatic machining suspends parts in midair, in order to balance the stress of the top beam of the portal frame, an electric hoist is usually moved to the middle position to balance the stress, but the middle position at the top of the portal frame is pressed down by the gravity of the parts for a long time, so that the unbalanced stress of the top beam of the portal frame is deformed or even broken, workers can be rolled, and major production safety accidents are caused.

Present portal frame device for mechanical automation processing is at the in-process of carrying spare part, use the electric hoist to come to carry out the operation of going up and down to fixed spare part usually, then remove the whole position that comes the movable spare part of portal frame, the removal of portal frame is realized by the wheel of fixing at the base entirely, the removal in-process, the wheel does not have damping device, lead to the whole shaking of portal frame, because only lean on the wire rope of electric hoist to be connected between spare part and the portal frame, lead to the spare part also to rock easily thereupon, but the weight of spare part is very big, inertia is also big, the portal frame is probably shaken down, injure the staff by a crashing object.

Disclosure of Invention

The invention aims to solve the problems, and provides a portal frame device for mechanical automatic processing, which has the advantages of portal frame protection and good stability.

In order to achieve the purpose, the invention provides the following technical scheme: a portal frame device for mechanical automatic processing comprises two bases, wherein pillars are fixedly arranged in the middle of the top surfaces of the two bases, universal wheels are fixedly arranged on the front side and the rear side of the bottoms of the two bases, top beams are fixedly arranged on the tops of the two pillars, reinforcing steel pipes are fixedly connected with the front side and the rear side of the top of the base, the reinforcing steel pipes are fixedly connected with the pillars, moving cross beams positioned below the top beams are movably sleeved on the outer surfaces of the two pillars, a motor base plate is fixedly arranged on one side of the top beams, a servo motor is fixedly arranged on the top of the motor base plate, a rotating shaft is fixedly connected with an output shaft of the servo motor, bearings are fixedly arranged on the two inner sides of the top beams, two fixed plates positioned between the two bearings are fixedly arranged in the top beams, and a wire winding device positioned between the fixed plates and the bearings, the outer surface of the wire winding device is movably wound with a steel wire rope, the bottom of the top beam is provided with a wire releasing opening, the inner part of the wire releasing opening is connected with the steel wire rope in a sliding way, the top of the movable cross beam is fixedly connected with a movable pulley, the two ends of the steel wire rope are movably sleeved with the movable pulleys, a connecting shaft is rotatably connected between the two movable pulleys, the outer surface of the connecting shaft is fixedly provided with an M-shaped fixed block, the inner part of the M-shaped fixed block is fixedly wound with the central part of the steel wire rope, the middle part of the steel wire rope is movably wound on the connecting shaft through the wire releasing opening, the inner part of the movable cross beam is fixedly provided with a sliding shaft, the outer surface of the sliding shaft is movably sleeved with two sleeving rings, the bottoms of the two sleeving rings are fixedly connected with connecting blocks, the bottom of the movable cross beam is, two flexible ends of two-way cylinder respectively with two connecting block fixed connection, the bottom fixed mounting of connecting block has fixing device.

As a preferred technical scheme of the present invention, the fixing device includes a clamping plate, a receiving plate is fixedly connected to the bottom of the inner side of the clamping plate, a fixing hole is formed in the inner side of the clamping plate, a buffer device is fixedly installed inside the fixing hole, and one end of the buffer device is fixedly connected to a buffer plate located above the receiving plate.

As a preferred technical scheme of the invention, the buffer device comprises an accommodating column, a telescopic column is movably sleeved in the accommodating column, the top end of the telescopic column is fixedly connected with the buffer plate, a buffer spring is movably sleeved on the outer surface of the accommodating column, and two ends of the buffer spring are respectively fixedly connected with the clamping plate and the buffer plate.

In a preferred embodiment of the present invention, the number of the fixing holes is four, and the fixing holes are arranged on the inner side surface of the splint in a rectangular distribution.

As a preferable technical scheme of the invention, the left side and the right side of the support column are both raised, the two sides of the top of the movable cross beam are both provided with sliding openings which penetrate to the bottom, and the sliding openings are in a cross shape and are matched with the support column in shape.

As a preferred technical scheme of the invention, the outer surface of the rotating shaft is movably sleeved with a shaft sleeve positioned between the fixed plate and the transmission gear, and the shaft sleeve is fixedly connected with the top of the inner cavity of the top beam through two shaft sleeve fixing columns.

As a preferable technical solution of the present invention, the middle portion of the steel wire rope is movably wound around the outer surface of the connecting shaft, and the two end portions of the steel wire rope are movably wound around the outer surface of the wire winding device.

As a preferable technical scheme of the invention, four wire releasing ports are formed at the bottom of the top beam, two end parts of the steel wire rope are connected in the two wire releasing ports close to the bearing in a sliding manner, and the middle part of the steel wire rope is connected in the two wire releasing ports far away from the bearing in a sliding manner.

As a preferred technical scheme of the invention, one end of the reinforced steel pipe is fixedly connected with the pillar, the other end of the reinforced steel pipe is fixedly connected with the base, the base and the two reinforced steel pipes form an isosceles triangle, and the pillar is a central axis of the isosceles triangle.

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

1. the invention realizes the lifting of the movable cross beam by the matching of the steel wire rope and the movable pulley, the rotating shaft is driven by the motor to rotate, the wire winding device is driven by the rotating shaft to rotate, the wire winding device winds the steel wire rope, the two end parts of the steel wire rope drive the movable pulley to rotate through the wire releasing port to realize the lifting of the device, simultaneously, the movable pulley rotates to drive the connecting shaft to rotate, the connecting shaft rotates to drive the M-shaped fixed block to rotate, the M-shaped fixed block rotates to drive the middle part of the steel wire rope to rotate, the middle part of the steel wire rope is wound or loosened on the connecting shaft through the wire releasing port, thereby realizing that the gravity of the movable cross beam acts on the wire winding device and the connecting shaft by the steel wire rope, compared with the prior art, the winding operation is simple, convenient and stable, the acting force acting on the middle part of the top beam, thereby increasing the use safety of the portal frame device.

2. The invention ensures the stability of the device and prevents safety accidents caused by shaking when parts are conveyed by the devices such as the base, the pillar, the top beam, the reinforced steel pipe, the movable cross beam and the like. Firm isosceles triangle structure has been constituteed with strengthening the steel pipe to the base, and stability is strong, and difficult emergence is emptyd, and wherein the pillar is equal isosceles triangle's axis, and pillar surface sliding connection has a movable cross beam, and limiting displacement through sliding opening realizes that movable cross beam can only reciprocate along the lug of pillar, prevents that spare part from taking place to rock, guarantees the security of device.

3. The sliding shaft, the connecting block, the bidirectional cylinder, the fixing device and the buffer device clamp parts, further enhance the stability of the gantry in the moving process, the bearing plate supports the bottom of the parts, the bidirectional cylinder drives the sliding shaft to move, the sliding shaft drives the fixing device to clamp the parts, wherein the buffer device realizes the buffer operation in the clamping process so as to prevent the clamping plate from damaging the self or two sides of the part, and the buffer device can also realize the real-time self-adaptive clamping operation in the transportation process of the part, prevent leading to falling of spare part in arbitrary one end wire rope breaks down, the incident appears, and this application possesses stability and adaptability for prior art's lifting hook more, can satisfy the removal of most spare parts, more possesses the security simultaneously, avoids spare part to appear inclining accidents such as falling.

Drawings

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

FIG. 2 is a schematic external view of the present invention;

FIG. 3 is a schematic view of the internal structure of the header of the present invention;

FIG. 4 is a schematic view of the structure of the moving beam and the fixing device of the present invention;

FIG. 5 is a schematic view of the internal structure of the movable beam of the present invention;

FIG. 6 is a schematic structural diagram of a buffering device according to the present invention.

In the figure: 1. a base; 2. a pillar; 3. a top beam; 4. a motor seat plate; 5. a servo motor; 6. a connecting shaft; 7. a bearing; 8. a fixing plate; 9. a rotating shaft; 10. an M-shaped fixed block; 11. a wire winding device; 12. a wire rope; 13. a shaft sleeve; 14. the shaft sleeve is fixed with a column; 15. a filament placing opening; 16. a movable pulley; 17. moving the beam; 18. a sliding port; 19. moving the opening; 20. a sliding shaft; 21. a sleeving connection ring; 22. connecting blocks; 23. a bidirectional cylinder; 24. a fixing device; 2401. a splint; 2402. a fixing hole; 2403. a bearing plate; 2404. a buffer plate; 25. a buffer device; 2501. a receiving post; 2502. a telescopic column; 2503. a buffer spring; 26. a universal wheel; 27. and (5) reinforcing the steel pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, the present invention provides a portal frame device for mechanical automatic processing, which comprises two bases 1, wherein a pillar 2 is fixedly installed in the middle of the top surface of each base 1, the pillar 2 mainly serves as a support, universal wheels 26 are fixedly installed on the front side and the rear side of the bottom of each base 1, the universal wheels 26 can rotate freely and are provided with brake components, when the portal frame is fixed, the portal frame can be fixed by the brake components of the universal wheels 26, a top beam 3 is fixedly installed on the top of each pillar 2, reinforcing steel pipes 27 are fixedly connected to the front side and the rear side of the top of each base 1, the reinforcing steel pipes 27 are fixedly connected with the pillars 2, wherein an isosceles triangle is formed by designing the bases 1 and the two reinforcing steel pipes 27, the pillar 2 is the central axis of the isosceles triangle, the stability and the structural strength of the pillar 2 are enhanced, and the service life of the whole portal, the outer surfaces of the two pillars 2 are movably sleeved with a movable cross beam 17 positioned below the top beam 3, the left side and the right side of each pillar 2 are convex, the two sides of the top of the movable cross beam 17 are both provided with sliding openings 18 penetrating to the bottom, the shapes of the sliding openings 18 are cross-shaped and are matched with the shapes of the pillars 2, the movable cross beam 17 can stably move on the outer surface of each pillar 2 through the arranged sliding openings 18, the defect that an electric hoist is unstable is effectively avoided, the stability of the gantry frame during moving parts is improved, the movable cross beam 17 and the pillars 2 are almost fixed into a whole, the problem of shaking during fixing and suspending parts is solved, a motor seat plate 4 is fixedly installed on one side of the top beam 3, a servo motor 5 is fixedly installed on the top of the motor seat plate 4, an output shaft 9 of the servo motor 5 is fixedly connected with a rotating shaft 9, and a shaft sleeve 13 positioned between a fixing plate 8, the shaft sleeve 13 is fixedly connected with the top of the inner cavity of the top beam 3 through two shaft sleeve fixing columns 14, the shaft sleeve 13, the fixing plates 8 and the bearings 7 form a bearing system, so that the stress of the rotating shaft 9 is more dispersed, the rotating shaft 9 rotates more stably, the stress of the top beam 3 is more dispersed and reasonable, the number of the shaft sleeve fixing columns 14 is two, the connection and the fixation of the shaft sleeve 13 are more stable, the rotating shaft 9 not only plays a role of rotation, but also the rigid material of the rotating shaft 9 needs to be used for supporting the acting force of parts on the steel wire rope 12, the stability of the device is ensured, the bearings 7 are fixedly arranged on both sides in the top beam 3, the two fixing plates 8 positioned between the two bearings 7 are fixedly arranged in the top beam 3, the fixing plates 8 not only play a supporting role, but also have a limiting role, so as to prevent the wire coiling device 11 from sliding on the, when a fault occurs, the outer surface of the rotating shaft 9 is fixedly sleeved with a wire winding device 11 positioned between a fixing plate 8 and a bearing 7, the outer surface of the wire winding device 11 is movably wound with a steel wire rope 12, the wire winding device 11 is mainly used for winding and unwinding the steel wire rope 12, the bottoms of the two ends of the wire winding device 11 are respectively provided with a wire unwinding port 15, the steel wire rope 12 is wound and unwound in a sliding manner by using the steel wire rope 12, the bottom of the top beam 3 is provided with a wire unwinding port 15, the inner part of the wire unwinding port 15 is connected with the steel wire rope 12 in a sliding manner, the bottom of the top beam 3 is provided with four wire unwinding ports 15, the two wire unwinding ports 15 close to the bearing 7 are connected with the two end parts of the steel wire rope 12 in a sliding manner, the two wire unwinding ports 15 far away from the bearing 7 are connected with the middle part of the steel wire rope 12 in, the sliding speed of the steel wire rope 12 cannot be interfered, the top of the movable beam 17 is fixedly connected with movable pulleys 16, the bottom of the movable pulleys 16 is fixed at the top of the movable beam 17, two end parts of the steel wire rope 12 are wound in the movable pulleys 16, two groups of the movable pulleys 16 are respectively and symmetrically distributed at two ends of the movable beam 17, the movable pulleys 16 are movably sleeved at two ends of the steel wire rope 12, a connecting shaft 6 is rotatably connected between the two movable pulleys 16, the movable pulleys 16 can drive the connecting shaft 6 to rotate in the same direction and at the same speed when rotating, the diameters of inner grooves of the connecting shaft 6 and the movable pulleys 16 are ensured to be consistent, the moving length of the steel wire rope 12 when rotating on the movable pulleys 16 and the connecting shaft 6 is ensured to be consistent, an M-shaped fixed block 10 is fixedly arranged on the outer surface of the connecting shaft 6, the middle part of the steel wire rope 12 is fixedly wound in the M-shaped fixed, as shown in the winding mode, the winding mode can ensure that the connecting shaft 6 drives the M-shaped fixing block 10 to rotate when rotating, the M-shaped fixing block 10 can drive the left section and the right section of the steel wire rope 12 to wind on the connecting shaft 6 in the same direction and at the same speed, the steel wire rope 12 can not influence the lifting of the device, the middle part of the steel wire rope 12 is movably wound on the connecting shaft 6 through the wire releasing port 15, the steel wire rope 12 is a whole steel wire rope 12, the winding mode is that the two end parts are rotatably connected to the movable pulley 16, the steel wire rope 12 is wound on the wire winding device 11 through the wire releasing port 15 after being wound, the middle part of the steel wire rope 12 is wound on the connecting shaft 6 through the wire releasing port 15, and finally the middle part of the steel wire rope 12 is wound in the two through holes of the M-shaped fixing block 10 in the same direction, the winding mode can realize that the steel wire ropes 12, so as to ensure that the length of the wire rope 12 on the rotating shaft 9 is consistent with the length of the wire rope 12 on the connecting shaft 6, the wire rope 12 is constantly in a tight state, a sliding shaft 20 is fixedly arranged in the moving beam 17, two sleeve rings 21 are movably sleeved on the outer surface of the sliding shaft 20, connecting blocks 22 are fixedly connected to the bottoms of the two sleeve rings 21, a moving opening 19 is formed in the bottom of the moving beam 17, a bidirectional cylinder 23 positioned between the two connecting blocks 22 is fixedly arranged in the moving opening 19, the two-way cylinder 23 is set to realize transverse control over the two connecting blocks 22, the cylinder has a small volume and a large acting force, the power requirement under a mechanical automation scene can be met, the strokes of the two telescopic ends of the bidirectional cylinder 23 are the same, each telescopic operation can be ensured, the fixing device 24 can stably clamp parts, and the two telescopic ends of the bidirectional cylinder 23 are respectively fixedly connected with the two connecting, the fixing device 24 is fixedly installed at the bottom of the connecting block 22, wherein the fixing device 24 comprises a clamping plate 2401, a receiving plate 2403 is fixedly connected to the bottom of the inner side surface of the clamping plate 2401, fixing holes 2402 are formed in the inner side surface of the clamping plate 2401, the number of the fixing holes 2402 is four, the fixing holes are distributed on the inner side surface of the clamping plate 2401 in a rectangular shape, the buffering plate 2404 is stably fixed through four buffering devices 25 fixedly installed in the buffering device 25, the buffering plate 2404 is prevented from being extruded to incline and fall off in the process of clamping and fixing parts, the buffering effect is improved through the number, the process of clamping the parts is more efficient, the buffering device 25 is fixedly installed in the fixing hole 2402, one end of the buffering device 25 is fixedly connected with the buffering plate 2404 positioned above the receiving plate 2403, when the fixing device 24 starts to clamp the parts, the buffering plate 2404 is firstly contacted with the parts, and is buffered through the, the clamping plate 2401 is prevented from directly contacting with parts to receive impact, the service life of the fixing device 24 is prolonged, one end of the outer side of the bearing plate 2403 is in a pointed triangular shape, and the clamping plate is convenient to drill into the bottoms of the parts, wherein the buffering device 25 comprises an accommodating column 2501, an expansion column 2502 is movably sleeved in the accommodating column 2501, the top end of the expansion column 2502 is fixedly connected with a buffering plate 2404, a buffering spring 2503 is movably sleeved on the outer surface of the accommodating column 2501, two ends of the buffering spring 2503 are fixedly connected with the clamping plate 2401 and the buffering plate 2404, when the buffering spring 2503 is compressed, the expansion column 2502 enters the accommodating column 2501, the purpose of buffering is achieved through deformation of the buffering spring 2503 and displacement of the expansion column 2502, impact force generated by direct contact of the clamping plate 2401 and the parts can be effectively avoided, and the clamping plate 2401 is protected.

The steel wire rope 12 used in the portal frame device for mechanical automatic processing is a whole steel wire rope 12, the steel wire rope 12 has certain rigidity, is not easy to break when lifting parts, ensures the service life of the steel wire rope, simultaneously adopts the whole steel wire rope 12, ensures the stress balance of the steel wire rope, all parts of the device are symmetrically distributed, is beneficial to the balanced bearing of the device on the force of the parts, avoids the occurrence of the phenomenon that the device is damaged due to the overweight stress of the middle part in the prior art, the winding mode is the same steel wire rope 12, one end part is wound by a driven pulley 16, enters the top beam 3 through the wire discharge opening 15 close to the bearing 7, is wound on the wire winding device 11, penetrates out the top beam 3 through the wire discharge opening 15 far away from the bearing 7, is wound on the outer surface of the connecting shaft 6, and enters from a through hole of the M-shaped fixing block 10, the steel wire rope 12 can ascend and descend at the same speed in the same direction when the rotating shaft 9 rotates and drive the connecting shaft 6 at the same speed and in the same direction so as to ensure that the length of the steel wire rope 12 wound and unwound on the rotating shaft 9 is consistent with the length of the steel wire rope 12 wound and unwound on the connecting shaft 6, the steel wire rope 12 can be constantly in a tightened state, meanwhile, the pulling force of the part can be dispersed on the rotating shaft 9 and the connecting shaft 6 through the steel wire rope 12, the maximum dispersion of the load force of the part is realized, meanwhile, the output shaft of the servo motor 5 has the limit function on the rotating shaft 9, the movable pulley 16 has the same limit function on the connecting shaft 6, the stability of the device is realized through a plurality of limit points, and the bearing of the rotating shaft 9 and the connecting shaft 6 can be doubly guaranteed, once one shaft is fixed, the other shaft can also be used as a temporary loading point, and the safety of the device is ensured.

The working principle and the using process of the invention are as follows:

firstly, a servo motor 5 is started, an output shaft of the servo motor 5 drives a rotating shaft 9 and a wire winding device 11 to rotate, a steel wire rope 12 starts to extend and descend under the rotation of the wire winding device 11, a movable pulley 16 rotates to drive a connecting shaft 6 to rotate, the steel wire rope 12 on the outer surface of the connecting shaft 6 is scattered along the device, the movable pulley 16 starts to rotate and enables a moving beam 17 to slowly move downwards along a pillar 2 until the bottom of a fixed bearing plate 2403 contacts with the ground, the servo motor 5 is closed, a bidirectional cylinder 23 is started, a sleeve ring 21 is driven to move towards two sides of a part along a sliding shaft 20, two sides of the part start to contact with a buffer plate 2404, the buffer spring 2503 is compressed, a telescopic pillar 2502 enters the inside of a containing pillar 2501, the bottom of the bearing plate 2403 enters the bottom of the part to support the part, and at the moment;

starting the servo motor 5 and enabling the servo motor 5 to rotate reversely, wherein an output shaft of the servo motor 5 drives the rotating shaft 9 and the wire winding device 11 to rotate, the steel wire rope 12 starts to be wound under the rotation of the wire winding device 11, the movable pulley 16 rotates to drive the connecting shaft 6 to rotate, the connecting shaft 6 rotates to wind the steel wire rope 12, the movable pulley 16 drives the movable beam 17 to move upwards to a specified position, the servo motor 5 is closed, and the portal frame is pushed to the specified position;

then, the servo motor 5 is started, the output shaft of the servo motor 5 drives the rotating shaft 9 and the wire winding device 11 to rotate, the steel wire rope 12 starts to extend and descend under the rotation of the wire winding device 11, the movable pulley 16 starts to rotate to drive the connecting shaft 6 to rotate, the connecting shaft 6 rotates to scatter the steel wire rope 12 wound on the outer surface of the connecting shaft, the movable pulley 16 drives the movable beam 17 to slowly move downwards along the support column 2 until the bottom of the fixing device 24 contacts the ground, the servo motor 5 is closed, the bidirectional air cylinder 23 is started, and pushes the socket ring 21 to move to the outside of the component along the sliding shaft 20, the fixing device 24 moves to the outside along with the socket ring, the buffer plate 2404 is separated from the contact with the component, the telescopic post 2502 and the buffer spring 2503 are reset, the bearing plate 2403 withdraws the bottom of the component, the servo motor 5 is started, the movable beam 17 is driven to move by the steel wire rope 12 and the movable pulley 16, and the parts are moved.

Compared with the prior art, the lifting of the movable cross beam 17 is realized through the matching of the steel wire rope 12 and the movable pulley 16, the application has simple, convenient and stable winding operation, and the acting force acting on the middle part of the top beam 3 can be uniformly and symmetrically distributed on the rotating shaft 9 and the connecting shaft 6, so that the middle part of the top beam 3 of the portal frame device is prevented from deforming or even breaking due to long-term stress, and the use safety of the portal frame device is improved.

The invention ensures the stability of the device through the devices such as the base 1, the pillar 2, the top beam 3, the reinforced steel pipe 27, the movable cross beam 17 and the like, and prevents safety accidents caused by shaking when parts are conveyed. Base 1 has constituteed firm isosceles triangle structure with strengthening steel pipe 27, and stability is strong, is difficult for taking place to empty, and wherein pillar 2 is equal isosceles triangle's axis, and 2 surface sliding connection of pillar have movable beam 17, and limiting displacement through sliding opening 18 realizes that movable beam 17 can only reciprocate along the lug of pillar 2, prevents that spare part from taking place to rock, guarantees the security of device.

The invention relates to a sliding shaft 20, a connecting block 22, a bidirectional cylinder 23, a fixing device 24 and a buffer device 25 which are used for clamping parts, further enhancing the stability of a gantry frame in the moving process, wherein a bearing plate 2403 supports the bottom of the parts, the bidirectional cylinder 23 drives the sliding shaft 20 to move, the sliding shaft 20 drives the fixing device 24 to clamp the parts, the buffer device 25 realizes buffer operation in the clamping process so as to prevent the clamping plate 2401 from damaging the two sides of the parts or the parts, and the buffer device 25 can also realize real-time self-adaptive clamping operation in the process of transporting the parts so as to prevent the parts from falling due to the fault of a steel wire rope 12 at any end and cause safety accidents, compared with a lifting hook in the prior art, the lifting hook has better stability and adaptability, can meet the moving of most parts, and has better safety, the accidents of inclination, falling and the like of parts are avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portal frame device for mechanical automation processing, includes two bases (1), its characterized in that: pillars (2) are fixedly mounted in the middle of the top surfaces of the two bases (1), universal wheels (26) are fixedly mounted on the front side and the rear side of the bottom of the two bases (1), top beams (3) are fixedly mounted on the tops of the two pillars (2), reinforcing steel pipes (27) are fixedly connected to the front side and the rear side of the top of the base (1), the reinforcing steel pipes (27) are fixedly connected with the pillars (2), a movable cross beam (17) located below the top beams (3) is movably sleeved on the outer surfaces of the two pillars (2), a motor seat plate (4) is fixedly mounted on one side of the top beams (3), a servo motor (5) is fixedly mounted on the top of the motor seat plate (4), a rotating shaft (9) is fixedly connected to an output shaft of the servo motor (5), and bearings (7) are fixedly mounted on two inner sides of the, the inner fixed mounting of the top beam (3) is provided with two fixed plates (8) between the two bearings (7), the outer fixed surface of the rotating shaft (9) is sleeved with a wire winding device (111) between the fixed plates (8) and the bearings (7), the outer surface of the wire winding device (11) is movably wound with a steel wire rope (12), the bottom of the top beam (3) is provided with a wire unwinding opening (15), the inner part of the wire unwinding opening (15) is slidably connected with the steel wire rope (12), the top of the movable cross beam (17) is fixedly connected with a movable pulley (16), the two ends of the steel wire rope (12) are movably sleeved with movable pulleys (16), two movable pulleys (16) are rotatably connected with a connecting shaft (6), the outer fixed surface of the connecting shaft (6) is provided with an M-shaped fixed block (10), and the inner part of the M-shaped fixed block (10) is fixedly wound with a middle part of the, the middle part of wire rope (12) is twined in connecting axle (6) through putting silk mouth (15) activity, the inside fixed mounting of travelling beam (17) has sliding shaft (20), two cup joints ring (21), two in the surface activity of sliding shaft (20) the equal fixedly connected with connecting block (22) in bottom of cup joint ring (21), travelling beam (17)'s bottom has been seted up and has been removed opening (19), the inside fixed mounting that removes opening (19) has and is located two-way cylinder (23) between connecting block (22), two flexible ends of two-way cylinder (23) respectively with two connecting block (22) fixed connection, the bottom fixed mounting of connecting block (22) has fixing device to put (24).

2. The gantry device for mechanical automated processing of claim 1, wherein: fixing device (24) include splint (2401), bottom fixedly connected with of splint (2401) medial surface accepts board (2403), fixed orifices (2402) have been seted up to the medial surface of splint (2401), the inside fixed mounting of fixed orifices (2402) has buffer (25), the one end fixedly connected with of buffer (25) is located buffer board (2404) of accepting board (2403) top.

3. The gantry apparatus of claim 2, wherein: buffer (25) including holding post (2501), the inside activity of holding post (2501) has cup jointed flexible post (2502), the top and buffer board (2404) fixed connection of flexible post (2502), the surface activity of holding post (2501) has cup jointed buffer spring (2503), buffer spring (2503)'s both ends divide by splint (2401) and buffer board (2404) fixed connection.

4. The gantry apparatus of claim 2, wherein: the number of the fixing holes (2402) is four, and the fixing holes are distributed and arranged on the inner side surface of the clamping plate (2401) in a rectangular mode.

5. The gantry device for mechanical automated processing of claim 1, wherein: the left and right sides of pillar (2) is all protruding, sliding opening (18) that run through to the bottom are all seted up to the top both sides of travelling beam (17), the shape of sliding opening (18) is the cross, and with the shape looks adaptation of pillar (2).

6. The gantry device for mechanical automated processing of claim 1, wherein: the outer surface of the rotating shaft (9) is movably sleeved with a shaft sleeve (13), and the shaft sleeve (13) is fixedly connected with the top of the inner cavity of the top beam (3) through two shaft sleeve fixing columns (14).

7. The gantry device for mechanical automated processing of claim 1, wherein: the middle part of the steel wire rope (12) is movably wound on the outer surface of the connecting shaft (6), and the two end parts of the steel wire rope (12) are movably wound on the outer surface of the wire winding device (11).

8. The gantry device for mechanical automated processing of claim 1, wherein: four wire releasing openings (15) are formed in the bottom of the top beam (3), two wire releasing openings (15) close to the bearing (7) are connected with two end portions of the steel wire rope (12) in a sliding mode, and two wire releasing openings (15) far away from the bearing (7) are connected with the middle portion of the steel wire rope (12) in a sliding mode.

9. The gantry device for mechanical automated processing of claim 1, wherein: strengthen the one end and pillar (2) fixed connection of steel pipe (27), strengthen steel pipe (27) other end and base (1) fixed connection, isosceles triangle is constituteed with two reinforcing steel pipes (27) in base (1), pillar (2) are equal isosceles triangle's axis.