CN219234687U

CN219234687U - Adsorption equipment of numerical control machine tool

Info

Publication number: CN219234687U
Application number: CN202222551060.5U
Authority: CN
Inventors: 李泽强
Original assignee: Wuhan Ideal New Century Industry And Trade Development Co ltd
Current assignee: Tianjin Fuhengda Automation Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-23
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a piece of adsorption equipment of a numerical control machine, which belongs to the technical field of numerical control machines and aims at solving the problem that impurities on the surface of a part reduce the adsorption effect of a sucker on the part, and the equipment comprises a first control box, a support plate, a second control box, a translation plate, and an impurity cleaning mechanism, wherein the impurity cleaning mechanism comprises a second support, a brush plate and a sliding part, and an elastic supporting part is arranged between the first support and a lifting seat; according to the utility model, through the arrangement of the impurity cleaning mechanism, when the lifting seat is driven by the air cylinder to carry the vacuum chuck to descend so as to adsorb the part, the lifting seat can still synchronously carry the second support and the first support to move downwards together under the action of the elastic supporting component, and can be contacted with the part in advance, and when the second support and the first support contact the part, the sliding component can control the brush plate to slide in the process of further downwards moving the lifting seat, so that the cleaning operation of the part surface is implemented in advance before the vacuum chuck contacts the part surface, and the adsorption effect of the vacuum chuck on the part is improved.

Description

Adsorption equipment of numerical control machine tool

Technical Field

The utility model belongs to the technical field of numerical control machine tools, and particularly relates to a numerical control machine tool adsorption device.

Background

Nowadays, a numerical control machine is an automated machine equipped with a program control system, which is a common tool in industrial processes, capable of logically processing a program prescribed by a control code or other symbolic instruction, decoding it, representing it by a coded number, and inputting it to a numerical control device via an information carrier.

In the prior art, patent publication number is CN 216576853U's digit control machine tool adsorption equipment, this patent produces suction through the vacuum suction pipe and drives the sucking disc and adsorb the spare, through controlling the removal subassembly and drive the sucking disc and control the removal, it reciprocates to drive the sucking disc through back-and-forth movement subassembly, thereby realized the autoloading removal to adsorbing the part and handle, but from actual, the general surface of part after processing can have more piece impurity, and then the impurity can be attached on the inner wall of sucking disc simultaneously when sucking disc contact part surface easily, then lead to the sucking disc unable complete laminating with the part surface, reduce the adsorption efficiency of sucking disc to the part.

Therefore, a numerically-controlled machine tool adsorption device is needed to solve the problem that impurities on the surface of a part in the prior art reduce the adsorption effect of a sucker on the part.

Disclosure of Invention

The utility model aims to provide a numerical control machine tool adsorption device which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a digit control machine tool adsorption equipment, including first control box, slip set up in extension board on the first control box, perpendicular be fixed in second control box and the slip of extension board front end set up in translation board on the second control box, the slip is provided with the elevating socket under the translation board, be provided with vacuum chuck on the bottom surface of elevating socket, be provided with on the top surface of elevating socket with the straw that vacuum chuck is inside to be linked together still includes impurity clearance mechanism, impurity clearance mechanism include two inside for the cavity symmetry set up in second support, slip set up in two between the second support brush board and set up in supply smooth part on the second support, and two still the rigid coupling have with first support that the brush board is laminated mutually between the second support, first support and two the whole constitution U-shaped of second support, be provided with elastic support part between the first support with the elevating socket.

In the scheme, the elastic supporting component comprises two guide rods which are vertically and symmetrically fixedly connected to the top surface of the first support, a pressing block which is fixed to the tail end of the guide rods, and a sliding sleeve which is arranged on the rod body of the guide rods in a sliding manner, wherein the sliding sleeve is fixedly connected with the whole body of the lifting seat, and a compression spring is sleeved on the rod body of the guide rods, which is positioned between the sliding sleeve and the pressing block.

It is further worth to say that, supply smooth part including be the hook set up in two movable push rod between the second support, slide set up in piston in the inboard of second support and set up in the gas injection supercharging assembly on the second support, the one end of movable push rod penetrate in the inner chamber of second support and with the piston looks rigid coupling, the other end of movable push rod with the first support looks rigid coupling, and movable push rod is located the pole body cover of second support inner chamber is equipped with reset spring.

It is still further to be noted that, the gas injection supercharging assembly includes vertical fixing in locating frame on the second support top surface, set up in locating frame inboard and with the elastic air bag of second support top surface looks rigid coupling, elastic air bag's bottom intercommunication is fixed with the air cock, the output of air cock penetrates in the inboard of second support, and the output of air cock is located the piston with between the innermost inner wall of second support, elastic air bag's top laminating have with the clamp plate of lifting seat whole looks rigid coupling, vertical offered on the locating frame with the smooth seam of clamp plate looks adaptation.

As a preferred implementation mode, a first driving part is arranged in the first control box and comprises a first screw rod which is horizontally rotated and arranged between the inner walls of the two sides of the first control box, a first thread seat which is in threaded connection with the shaft of the first screw rod and a first motor which is arranged at one end of the first control box, the first thread seat is fixedly connected with the bottom end of the support plate, and an output shaft of the first motor penetrates into the inner side of the first control box and is fixedly connected with one end of the first screw rod.

As a preferred implementation mode, a second driving part is arranged in the second control box, the second driving part comprises a second screw rod which is horizontally rotated and arranged between the inner walls of two sides of the second control box, a second thread seat which is in threaded connection with the second screw rod body and a second motor which is arranged at the tail end of the second control box, the second thread seat is fixedly connected with the side edge of the translation plate, and an output shaft of the second motor penetrates into the inner side of the second control box and is fixedly connected with one end of the second screw rod.

As a preferred implementation mode, the translation plate is provided with a third driving part, the third driving part comprises a cylinder arranged on the top surface of the translation plate, the telescopic end of the cylinder penetrates through the translation plate and is fixedly connected with the top surface of the lifting seat, and a telescopic rod is fixed between the lifting seat and the translation plate.

Compared with the prior art, the adsorption equipment for the numerical control machine tool provided by the utility model at least comprises the following beneficial effects:

(1) Through impurity clearance mechanism's setting, when cylinder drive elevating socket carried vacuum chuck decline and adsorbs the part, the elevating socket still can carry second support and first support together to move down under the effect of elastic support part in step for second support and first support contact the part in advance, when waiting second support and first support contact the part, supply smooth part can do the slip of keeping away from first support between two second supports at elevating socket further downward movement in-process, synchronous control brush board, with this brush board can be before vacuum chuck contacts the part surface, implement the cleaning operation on part surface in advance, improve vacuum chuck to the adsorption efficiency of part.

(2) Through the setting of elastic support part, when lifting seat carries vacuum chuck decline activity, second support and first support are whole can be under unsettled state, make the briquetting compress tightly compression spring by gravity effect, can play certain auxiliary support effect to second support and first support are whole to utilize wherein compression spring's elasticity can be convenient for when lifting seat rises and makes vacuum chuck and work piece separation, wholly reset first support and second support, maintain original height, the secondary usage of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the impurity cleaning mechanism, translation plate and lifting seat of the present utility model;

FIG. 3 is a schematic view of the internal structure of the second support and positioning frame of the present utility model;

FIG. 4 is a schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of a platen and positioning frame of the present utility model;

fig. 6 is a schematic structural diagram of a first control box, a support plate and a second control box according to the present utility model.

In the figure: 1. a first control box; 2. a support plate; 3. a second control box; 4. a translation plate; 5. a lifting seat; 6. a vacuum chuck; 7. a cylinder; 8. a telescopic rod; 9. a suction pipe; 10. a first support; 11. brushing a plate; 12. a guide rod; 13. a sliding sleeve; 14. a compression spring; 15. briquetting; 16. a second support; 17. a movable push rod; 18. a piston; 19. a positioning frame; 20. an elastic air bag; 21. an air tap; 22. a pressing plate; 23. a first screw rod; 24. a first motor; 25. a first screw seat; 26. a second screw rod; 27. a second screw seat; 28. a second motor; 29. and a return spring.

Detailed Description

The utility model is further described below with reference to examples.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are some, but not all, embodiments of the present utility model, and all other embodiments obtained by persons of ordinary skill in the art without inventive labor based on the described embodiments of the present utility model are included in the scope of protection of the present utility model.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-6, the utility model provides a numerically-controlled machine tool adsorption device, which comprises a first control box 1, a support plate 2 arranged on the first control box 1 in a sliding manner, a second control box 3 vertically fixed at the front end of the support plate 2, and a translation plate 4 arranged on the second control box 3 in a sliding manner, wherein a lifting seat 5 is arranged under the translation plate 4 in a sliding manner, a vacuum chuck 6 is arranged on the bottom surface of the lifting seat 5, a suction pipe 9 communicated with the interior of the vacuum chuck 6 is arranged on the top surface of the lifting seat 5, a first driving part for controlling the left-right displacement of the translation plate 4 is arranged in the first control box 1, a second driving part for controlling the front-back displacement of the translation plate 4 is arranged in the second control box 3, and a third driving part for controlling the lifting displacement of the lifting seat 5 is arranged on the translation plate 4;

the first driving part comprises a first screw rod 23 horizontally arranged between the inner walls of the two sides of the first control box 1 in a rotating way, a first thread seat 25 in threaded connection with the rod body of the first screw rod 23, and a first motor 24 arranged at one end of the first control box 1, wherein the first thread seat 25 is fixedly connected with the bottom end of the support plate 2, and an output shaft of the first motor 24 penetrates into the inner side of the first control box 1 and is fixedly connected with one end of the first screw rod 23;

the second driving part comprises a second screw rod 26 horizontally and rotatably arranged between the inner walls at two sides of the second control box 3, a second thread seat 27 in threaded connection with the rod body of the second screw rod 26, and a second motor 28 arranged at the tail end of the second control box 3, wherein the second thread seat 27 is fixedly connected with the side edge of the translation plate 4, and an output shaft of the second motor 28 penetrates into the inner side of the second control box 3 and is fixedly connected with one end of the second screw rod 26;

the third driving part comprises an air cylinder 7 arranged on the top surface of the translation plate 4, the telescopic end of the air cylinder 7 penetrates through the translation plate 4 and is fixedly connected with the top surface of the lifting seat 5, and a telescopic rod 8 is fixed between the lifting seat 5 and the translation plate 4;

by the arrangement of the third driving part, the cylinder 7 is driven, the telescopic end of the cylinder 7 can drive the lifting seat 5 and the vacuum chuck 6 to move downwards, so that the vacuum chuck 6 contacts the surface of a part, suction force is generated by utilizing the suction pipe 9, air in the suction pipe 9 is sucked, the inside of the suction pipe 9 is negative pressure, the part can be tightly adsorbed by the suction pipe 9, in the process, the telescopic rod 8 can carry out movement limiting treatment on the lifting seat 5, and the stability of the lifting seat 5 during displacement is ensured;

through the setting of first drive component and second drive component, start first motor 24 and make first lead screw 23 rotation, first screw thread seat 25 alright drive extension board 2 left and right sides displacement under the effect of helicitic texture, start second motor 28 and make second lead screw 26 rotation, second screw thread seat 27 alright drive translation board 4 back and forth displacement under the effect of helicitic texture to this realizes the autoloading removal to vacuum chuck 6 absorption part handles.

In the above embodiment, although suction force can be generated by the suction pipe 9 to drive the suction cup to adsorb the parts, and the first driving component and the second driving component drive the vacuum suction cup 6 to move back and forth and left and right so as to realize automatic feeding and moving treatment of the adsorbed parts, from practical point of view, more scraps and impurities exist on the general surface of the processed parts, and the impurities are easy to adhere to the inner wall of the vacuum suction cup 6 when the vacuum suction cup 6 contacts the surface of the parts, so that the vacuum suction cup 6 cannot be completely attached to the surface of the parts, and the adsorption effect of the vacuum suction cup 6 on the parts is reduced;

in view of this, as shown in fig. 2, it is worth specifically explaining that the present embodiment further includes an impurity cleaning mechanism for cleaning the surface of the part in advance before the vacuum chuck 6 adsorbs the part;

the impurity cleaning mechanism comprises two second supports 16, brush plates 11 and smooth sliding parts, wherein the second supports 16 are symmetrically arranged under the vacuum suction disc 6 in a cavity mode, the brush plates 11 are arranged between the two second supports 16 in a sliding mode, the smooth sliding parts are arranged on the second supports 16 and used for controlling the brush plates 11 in the descending process of the lifting seat 5, a first support 10 attached to the brush plates 11 is fixedly connected between the two second supports 16, the first support 10 and the two second supports 16 form a U shape integrally, an elastic supporting part is arranged between the first support 10 and the lifting seat 5, and the interval between the two brush plates 11 is larger than the adsorption area of the vacuum suction disc 6;

through impurity clearance mechanism's setting, when cylinder 7 drive elevating socket 5 carried vacuum chuck 6 decline and adsorb the part, elevating socket 5 still can carry second support 16 and first support 10 together to move down simultaneously under the effect of elastic support part for second support 16 and first support 10 can contact the part in advance, when second support 16 and first support 10 contact the part, supply the smooth part to move down the in-process in the elevating socket 5 further, synchronous control brush board 11 is kept away from the slip of first support 10 between two second supports 16, with this brush board 11 can be before vacuum chuck 6 contacts the part surface, implement the cleaning operation on part surface in advance, improve the adsorption efficiency of vacuum chuck 6 to the part.

Further, as shown in fig. 2 and 3, it should be specifically described that the elastic supporting component includes two guide rods 12 vertically and symmetrically fixedly connected to the top surface of the first support 10, a pressing block 15 fixed to the end of the guide rods 12, and a sliding sleeve 13 slidably disposed on the rod body of the guide rods 12, the sliding sleeve 13 is fixedly connected to the whole body of the lifting seat 5, and a compression spring 14 is sleeved on the rod body of the guide rods 12 between the sliding sleeve 13 and the pressing block 15;

through the arrangement of the elastic supporting component, when the lifting seat 5 carries the vacuum chuck 6 to move downwards, the second support 16 and the first support 10 can integrally press the pressing spring 14 under the suspension state by the gravity action, a certain auxiliary supporting effect can be achieved on the second support 16 and the first support 10 integrally, after the second support 16 and the first support 10 integrally move downwards together with the lifting seat 5 to the position propped against a part, the lifting seat 5 can slide on the rod body of the guide rod 12 in the process of further sliding downwards, the pressing spring 14 is stretched, the pressing spring 14 deforms, the pressing effect of the second support 16 and the first support 10 on a workpiece can be enhanced by the elastic force of the pressing spring 14, and the lifting seat 5 can be conveniently lifted to separate the vacuum chuck 6 from the workpiece, so that the first support 10 and the second support 16 integrally reset, the original height is maintained, and the secondary use is facilitated.

Further, as shown in fig. 2, 3, 4 and 5, it should be specifically explained that the sliding component includes a movable push rod 17 arranged between two second supports 16 in a hook shape, a piston 18 slidably arranged in the inner side of the second support 16, and an air injection pressurizing assembly arranged on the second support 16, one end of the movable push rod 17 penetrates into the inner cavity of the second support 16 and is fixedly connected with the piston 18, the other end of the movable push rod 17 is fixedly connected with the first support 10, a reset spring 29 is sleeved on a rod body of the movable push rod 17 positioned in the inner cavity of the second support 16, one end of the reset spring 29 is fixedly connected with the inner wall of the second support 16, and the other end of the reset spring 29 is fixedly connected with the piston 18;

the gas injection pressurizing assembly comprises a positioning frame 19 vertically fixed on the top surface of the second support 16, and an elastic gas bag 20 arranged on the inner side of the positioning frame 19 and fixedly connected with the top surface of the second support 16, wherein the bottom end of the elastic gas bag 20 is fixedly connected with a gas nozzle 21, the output end of the gas nozzle 21 penetrates into the inner side of the second support 16, the output end of the gas nozzle 21 is positioned between the piston 18 and the innermost inner wall of the second support 16, the top end of the elastic gas bag 20 is attached with a pressing plate 22 fixedly connected with the whole body of the lifting seat 5, and a sliding joint matched with the pressing plate 22 is vertically arranged on the positioning frame 19;

through the arrangement of the sliding parts, after the second support 16 and the first support 10 are propped against the workpiece, in the process of further downward movement of the lifting seat 5, the lifting seat 5 can synchronously carry the pressing plate 22 to move downward, so that the pressing plate 22 can penetrate into the inner side of the positioning frame 19 through a sliding seam and squeeze the elastic air bag 20, air in the elastic air bag 20 can be squeezed to be injected into the inner cavity of the second support 16 through the air tap 21, the air pressure between the piston 18 and the innermost inner wall of the second support 16 is increased, the piston 18 is under the action of pressure, the piston 18 can rapidly slide in the inner cavity of the second support 16, and the movable push rod 17 gradually extends outwards from the inner cavity of the second support 16, so that the brush plate 11 is controlled to slide away from the first support 10 between the two second supports 16, and the surface of the workpiece is cleaned;

and in the process that the movable push rod 17 extends outwards from the inner cavity of the second support 16, the piston 18 can still compress the return spring 29 in real time, so that the return spring 29 deforms, then the resilience force of the return spring 29 is utilized, when the later-stage vacuum chuck 6 releases the adsorption of the workpiece, the lifting seat 5 moves upwards, so that the vacuum chuck 6 is separated from the workpiece, the pressing plate 22 can gradually reduce the extrusion of the elastic air bag 20, the elastic air bag 20 can automatically suck and reset under the action of the elastic characteristics of the elastic air bag, the pressure of the inner cavity of the second support 16 is reduced, the piston 18 is passively influenced by the resilience force of the return spring 29, the movable push rod 17 is carried to return and slide, and the brush plate 11 is attached to the first support 10 again, so that the brush plate is convenient for secondary use.

To sum up: through the arrangement of the elastic supporting component, the effect of the second support 16 and the first support 10 on the compression of the workpiece can be enhanced by utilizing the elasticity of the compression spring 14, the first support 10 and the second support 16 can be reset integrally when the lifting seat 5 ascends to separate the vacuum chuck 6 from the workpiece, the original height is maintained, the secondary use is convenient, after the second support 16 and the first support 10 are propped against the workpiece integrally through the arrangement of the sliding component, the lifting seat 5 can synchronously carry the pressing plate 22 to move downwards in the process of further downwards moving the lifting seat 5, the pressing plate 22 can penetrate into the inner side of the positioning frame 19 through a sliding seam and squeeze the elastic air bag 20, air inside the elastic air bag 20 can be extruded into the inner cavity of the second support 16 through the air nozzle 21, the air pressure between the piston 18 and the innermost inner wall of the second support 16 is increased, the piston 18 is acted under the compression force, the inner cavity of the second support 16 can slide rapidly, the movable push rod 17 gradually extends outwards from the inner cavity of the second support 16, and the brush plate 11 can be controlled to clean the surface of the workpiece far away from the first support 10.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs, the terms "comprising" or "comprises" and the like as used herein shall mean that the element or article preceding the term encompasses the element or article listed after the term and equivalents thereof without excluding other elements or articles, and that the terms "connected" or "connected" and the like shall not be limited to physical or mechanical connections, but shall also include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships that may also be correspondingly altered when the absolute position of the object being described is altered.

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

Claims

1. The utility model provides a digit control machine tool adsorption equipment, including first control box (1), slide set up in extension board (2) on the first control box (1), perpendicular be fixed in second control box (3) and the sliding arrangement of extension board (2) front end in translation board (4) on the second control box (3), sliding arrangement under translation board (4) is provided with elevating socket (5), be provided with vacuum chuck (6) on elevating socket (5)'s the bottom surface, be provided with on elevating socket (5) the top surface with straw (9) that vacuum chuck (6) are inside to be linked together, a serial communication port, still include impurity clearance mechanism including two inside for the cavity symmetry set up in second support (16) under vacuum chuck (6), slide set up in brush board (11) between second support (16) and set up in the smooth part that supplies on second support (16), and two between second support (16) still be provided with vacuum chuck (6) straw (10) are in contact with between first support (10) and the whole shape of second support (10) and second support (10).

2. The numerically-controlled machine tool adsorbing device as set forth in claim 1, wherein: the elastic support component comprises two guide rods (12) which are vertically and symmetrically fixedly connected to the top surface of the first support (10), a pressing block (15) which is fixed to the tail end of the guide rods (12) and a sliding sleeve (13) which is arranged on the rod body of the guide rods (12) in a sliding mode, the sliding sleeve (13) is fixedly connected with the whole body of the lifting seat (5), and the guide rods (12) are arranged on the rod body between the sliding sleeve (13) and the pressing block (15) in a sleeved mode, and a compression spring (14) is arranged on the rod body.

3. The numerically-controlled machine tool adsorbing device as set forth in claim 1, wherein: the sliding part comprises a movable push rod (17) which is arranged between the second supports (16) in a hooked mode, a piston (18) which is arranged in the inner side of the second supports (16) in a sliding mode, and an air injection pressurizing assembly which is arranged on the second supports (16), one end of the movable push rod (17) penetrates into an inner cavity of the second supports (16) and is fixedly connected with the piston (18), the other end of the movable push rod (17) is fixedly connected with the first supports (10), and a reset spring (29) is sleeved on a rod body of the inner cavity of the second supports (16).

4. A numerically-controlled machine tool adsorbing device as set forth in claim 3, wherein: the gas injection pressurizing assembly comprises a positioning frame (19) vertically fixed on the top surface of the second support (16), and an elastic air bag (20) which is arranged on the inner side of the positioning frame (19) and fixedly connected with the top surface of the second support (16), wherein a gas nozzle (21) is fixedly connected to the bottom end of the elastic air bag (20), the output end of the gas nozzle (21) penetrates into the inner side of the second support (16), the output end of the gas nozzle (21) is positioned between the piston (18) and the inner wall of the innermost side of the second support (16), a pressing plate (22) fixedly connected with the whole body of the lifting seat (5) is attached to the top end of the elastic air bag (20), and a sliding joint matched with the pressing plate (22) is vertically arranged on the positioning frame (19).

5. The numerically-controlled machine tool adsorbing device as set forth in claim 1, wherein: the novel multifunctional electric control box is characterized in that a first driving part is arranged in the first control box (1), the first driving part comprises a first screw rod (23) horizontally arranged between the inner walls of the two sides of the first control box (1), a first threaded seat (25) in threaded connection with the rod body of the first screw rod (23) and a first motor (24) arranged on one end of the first control box (1), the first threaded seat (25) is fixedly connected to the bottom end of the support plate (2), and an output shaft of the first motor (24) penetrates into the inner side of the first control box (1) and is fixedly connected with one end of the first screw rod (23).

6. The numerically-controlled machine tool adsorbing device as set forth in claim 1, wherein: the second control box (3) is internally provided with a second driving part, the second driving part comprises a second screw rod (26) horizontally rotating between the inner walls of the two sides of the second control box (3), a second threaded seat (27) in threaded connection with the rod body of the second screw rod (26) and a second motor (28) arranged on the tail end of the second control box (3), the second threaded seat (27) is fixedly connected with the side edge of the translation plate (4), and an output shaft of the second motor (28) penetrates into the inner side of the second control box (3) and is fixedly connected with one end of the second screw rod (26).

7. The numerically-controlled machine tool adsorbing device as set forth in claim 1, wherein: be provided with third drive part on translation board (4), third drive part including install in cylinder (7) on translation board (4) top surface, the flexible end of cylinder (7) run through translation board (4) and with the top surface looks rigid coupling of lift seat (5), and lift seat (5) with be fixed with telescopic link (8) between translation board (4).