CN212444332U - Linkage door device and gantry machining center machine tool - Google Patents

Abstract

A linkage door device and a gantry machining center machine tool comprise a fixed enclosing plate, a sliding door assembly, a telescopic assembly, a control assembly, a sliding guide assembly, a rolling support assembly and a sliding table air cylinder, wherein the bottom end of the fixed enclosing plate is fixed on the ground, and the top end of the fixed enclosing plate is connected with one end of the sliding guide assembly; the top end of the sliding door assembly is connected with the other end of the sliding guide assembly, and the bottom end of the sliding door assembly is connected with one surface of the rolling support assembly; the other side of the rolling support component is fixed on the ground; one end of the sliding table cylinder is connected with the sliding door assembly, and the other end of the sliding table cylinder is connected with the telescopic assembly; the control assembly is electrically connected with the rolling support assembly and the sliding table cylinder; through control assembly drive control makes sliding door subassembly horizontal motion, the linkage of horizontal direction and vertical direction is realized to flexible subassembly vertical motion.

Description

Linkage door device and gantry machining center machine tool

Technical Field

The utility model belongs to the machine tool protection field relates to a linkage door gear, especially relates to a linkage door gear of longmen machining center machine tool protection.

Background

The machine tool external protection is taken as an important functional part of the numerical control machine tool, has the functions of safety protection, precision maintenance, environmental protection, moisture insulation, moisture prevention and the like, and is increasingly valued by machine tool manufacturers and machine tool terminal users.

Compared with a conventional machining center machine tool, the gantry machining center is mainly suitable for machining large-sized workpieces, and the size and the structure of the gantry machining center are larger than those of other machining centers, so that the protective cover of the gantry machining center is usually designed into a protective fence form, namely a circle of protective fence is arranged around the gantry machining center to surround a machining area, and further the safety protection, sealing and leakage prevention of the gantry machining center are realized

In the prior art, the protective fence of the gantry machining center has two forms: the first is to arrange a higher fixed protective fence around the gantry machining center, and arrange a lower fixed enclosing plate below the cross beam to avoid interference between the cross beam and the cross beam after moving downwards, so that a machine tool operator can conveniently stride over the fixed enclosing plate and get in and out of a machine tool machining area. The second is that a sliding door is arranged below the cross beam, and the sliding door needs to be moved away manually when the cross beam moves downwards, so that the protective door is prevented from colliding with the cross beam. However, in the scheme, cutting fluid and chips can be splashed out from the lower part of the cross beam during machining of the machine tool, so that the peripheral environment of the machine tool is polluted, the cleaning is difficult, and safety risks such as slipping, falling and injury can be caused. The open and close of the sliding door has poor controllability and has accident potential that the cross beam collides with the sliding door.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a linkage door device which can move along the horizontal direction, so as to ensure that the operator of the machine tool can conveniently get in and out of the protective fence of the machine tool; and can also reciprocate along with the crossbeam, guarantee to have fine sealing performance between linkage door gear and the lathe crossbeam during machine tool processing, and then realize sealed leak-proof function. In addition, the linkage door device is also provided with a detection and control unit, so that the action of the door body can be automatically controlled, the linkage door device has the characteristics of intelligence, safety and high efficiency, and the overall performance of the machine tool can be effectively improved.

The utility model provides a technical scheme that its technical problem adopted is: a linkage door device comprises a fixed enclosing plate, a sliding door assembly, a telescopic assembly, a control assembly, a sliding guide assembly, a rolling support assembly and a sliding table cylinder, wherein the bottom end of the fixed enclosing plate is fixed on the ground, a part of the fixed enclosing plate is provided with a notch, and the top end of the fixed enclosing plate is connected with one end of the sliding guide assembly; the rolling support assembly is embedded in the gap in a matching manner, and one surface of the rolling support assembly is fixed on the ground; the top end of the sliding door assembly is connected with the other end of the sliding guide assembly, and the bottom end of the sliding door assembly is connected with the other surface of the rolling support assembly; one end of the sliding table cylinder is connected with the operation end of the sliding door assembly, which is far away from the fixed coaming, and the other end of the sliding table cylinder is connected with one side surface of the telescopic assembly in the telescopic direction; the control assembly is electrically connected with the rolling support assembly and the sliding table cylinder; the sliding door assembly moves horizontally and the telescopic assembly moves vertically through the driving control of the control assembly; the sliding door assembly drives the telescopic assembly to move horizontally.

Through sliding door subassembly and flexible subassembly connection for the linkage door gear can realize the linkage of level and vertical motion simultaneously, and work efficiency is higher, and intelligent effect is better. Meanwhile, the sliding table cylinder is connected with the telescopic assembly respectively in the sliding door assembly, so that the telescopic assembly can be driven to move together when the sliding door operates, the horizontal sliding stroke is increased, and the size of the sliding door can be reduced.

Preferably, the rolling support assembly comprises a support frame, a rolling guide rail, a driving motor and a transmission structure, one surface of the support frame is fixed on the bottom surface, and the other surface of the support frame is connected with the rolling guide rail; the driving motor is fixed on the support frame and is connected with one end of the transmission structure; the other end of the transmission structure is fixed at the bottom of the sliding door assembly.

Through the drive structure that driving motor drive is connected with support frame and sliding door subassembly, can realize the horizontal motion of the relative support frame of sliding door subassembly, simple structure easily realizes.

Preferably, the sliding structure is a gear and rack combination or a lead screw and nut combination or a slide block and guide rail combination.

The transmission structure can adopt gears, rack meshing transmission or lead screw nut matched operation or linear operation of the sliding block and the guide rail, can be flexibly selected according to specific use working conditions, and is wide in selection range and simple and convenient to use.

The sliding door assembly comprises a sliding door, a plurality of rolling bodies and a guide rail limiting groove, wherein the rolling bodies are connected to the bottom of the sliding door at intervals and matched with the rolling guide rail; the guide limiting groove is fixed at the top of the sliding door; the sliding guide assembly is fixed to the top of the fixed enclosing plate and is in sliding fit with the guide limiting groove.

Through the arrangement of the rolling bodies at the bottom of the sliding door, the sliding door can run more smoothly, and the motor is driven more laborsavingly; the sliding guide assembly is matched with the guide limiting groove, so that the guide of the sliding door is more stable.

Furthermore, the rolling body comprises two rollers, a roller shaft and a roller bracket, two ends of the roller shaft are embedded into the inner ring of the rolling bearing, the rollers are sleeved on the outer ring of the rolling bearing to form a roller whole, and the roller whole is arranged on the roller bracket.

The rolling guide rails on the rolling support assemblies can be embedded into opposite sides of the rollers through the spaced arrangement of the rollers, so that the rolling guide rails are in contact fit. The idler wheel can play a limiting role, the consistency of the sliding door in the sliding direction is ensured, the sliding door is stressed more uniformly under the conditions of smoothness and stability, and the protection sealing is also ensured.

Preferably, the telescopic assembly comprises a fixed guard plate, a plurality of sliding guard plates with matched sections, a plurality of guard plate rollers, a plurality of guard plate roller grooves, a guide strip and a guide groove, and the fixed guard plate is similar to each sliding guard plate in shape and is in nested fit with each sliding guard plate; each guard plate roller groove and each guide groove are fixedly connected to the plane of one side, far away from the fixed enclosing plate, of the sliding door at intervals; the fixed guard plate is fixedly connected with the bottom of the sliding door; each guard plate roller is fixedly connected with the sliding guard plate and is embedded into the guard plate roller groove in a matching manner; the guide strip is fixedly arranged on the sliding protection plate close to one side of the sliding door and is embedded into the guide groove; the sliding table cylinder is connected with one of the sliding protection plates.

The structure of the telescopic assembly is designed by imitating the structure of the guide rail protective cover, and the telescopic assembly is simple in structure and low in cost. Not only can the up-and-down telescopic motion be realized, but also the telescopic stroke can be controlled; and has wide application range.

Preferably, the device also comprises a sealing assembly, wherein the sealing assembly comprises a strip brush, a scrap scraping plate and a flow guide plate, and the strip brush is fixed on the top of the sliding protection plate and one side of each protection plate far away from the sliding door; the scrap scraping plates are arranged in the matched gaps of the guard plates and are fixed on the adjacent guard plates; the guide plate is fixed at the bottom of the fixed coaming, the bottom of the sliding door and the bottom of the telescopic assembly.

The installation and application of the sealing assembly not only ensure the sealing performance of the linkage door device, but also recycle the splashed liquid through the guide plate, thereby improving the environment and saving the cost.

Preferably, the sliding guide assembly comprises a sliding guide rail, and the sliding guide rail is made of a nylon material. The nylon material is adopted as the sliding guide rail, so that the wear resistance of the guide rail can be increased, the service life of the guide rail is prolonged, the replacement frequency is reduced, and the nylon material is convenient to process and low in cost.

Further, a gantry machining center machine tool comprises an upright post, a cross beam and a fence, and further comprises the linkage door device, wherein the linkage door device is connected with the fence.

The machining center machine tool can realize linkage of the horizontal direction and the vertical direction by adopting the linkage door device, can carry out avoidance quickly and automatically when the machining center machine tool processes workpieces, and improves the automation level safely and efficiently.

According to the above technical scheme, the utility model discloses an aspect beneficial effect who brings is at least, through with the creative combination of sliding door subassembly and flexible subassembly, not only provides a stable convenient novel protection linkage structure, but also can satisfy the linkage of level and vertical removal simultaneously. Through the control of the control assembly, the manual participation degree is reduced, and the automation level is improved safely and efficiently.

Drawings

Fig. 1 is a schematic view of the overall structure of a linked door apparatus;

fig. 2 is a schematic view of the overall structure of a linked door apparatus;

FIG. 3 is a schematic view of a rolling support assembly;

FIG. 4 is a schematic view of a sliding door assembly;

FIG. 5 is a partial schematic structural view of a sliding door assembly in cooperation with a rolling support assembly;

FIG. 6 is a partial schematic view of the sliding door assembly in cooperation with the sliding guide assembly;

FIG. 7 is a schematic view of the telescoping assembly;

FIG. 8 is a schematic view in partial section of the telescoping assembly;

FIG. 9 is a schematic structural view of a control assembly and a seal assembly;

FIG. 10 is a schematic view of a gantry machining center protective structure;

in the drawings: 10-linkage door device, 20-upright post, 30-cross beam, 40-main shaft, 50-workbench, 60-left side rail, 70-right side rail, 100-fixed coaming, 200-sliding door assembly, 300-telescopic assembly, 400-sliding guide assembly, 500-rolling support assembly, 600-sliding table cylinder, 700-control assembly, 800-sealing assembly, 210-sliding door, 220-rolling body, 230-guide rail limiting groove, 310-fixed guard plate, 320-first sliding guard plate, 330-second sliding guard plate, 340-guard plate roller, 350-first sliding guard plate roller groove, 360-second sliding guard plate roller groove, 370-guide strip, 380-guide groove, 390-upper induction switch, The device comprises a lower induction switch, a 410-sliding guide rail, a 510-supporting frame, a 520-rolling guide rail, a 530-driving motor, a 540-sliding structure, a 710-first induction switch, a 720-first induction plate, a 730-second induction switch, a 740-second induction plate, a 750-third induction switch, a 760-third induction plate, a 810-strip brush, an 820-guide plate, a 221-roller, a 222-roller shaft, a 223-roller bracket, a 541-gear and a 542-rack.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments. As used herein, the term "secured" may be mounted, welded, riveted, etc., and the term "connected" may be directly connected, indirectly connected, and the like for purposes of describing the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The vertical guide rail shield will now be described with reference to specific embodiments for further understanding of the inventive concepts of the vertical guide rail shield. The back and forth operation in the embodiment may be interpreted as a horizontal operation, and the up and down operation is interpreted as a vertical operation.

Example one

Referring to fig. 1 and 2, the sliding door apparatus 10 includes a fixed closure 100, a sliding door assembly 200, a telescopic assembly 300, a sliding guide assembly 400, a rolling support assembly 500, a sliding table cylinder 600, a control assembly 700, and a sealing assembly 800. The bottom of the fixed boarding 100 is fixed on the ground through expansion bolts to serve as a sliding support frame of the linkage door assembly 200; there is a gap at the bottom, and the rolling support assembly 500 is embedded at the corresponding gap and one side is fixed on the ground. The sliding door assembly 200 is disposed in parallel with the fixed closure, has a bottom end connected to the other side of the rolling support assembly, a top end connected to one end of the sliding guide assembly 400, and a side edge connected to the fixed closure 100. One side of the telescoping assembly 300 is connected to a sliding door assembly on the side away from the fixed closure. The other end of the sliding guide assembly 400 is fixedly attached to the top end of the fixed closure 100 on the side adjacent to the sliding door assembly 200. The control assembly 700 is electrically connected with the rolling support assembly and the sliding table cylinder and can control and drive the rolling support assembly and the sliding table cylinder. The rolling support component can provide upward supporting power and driving power for sliding back and forth for the sliding door component; the sliding guide assembly may provide a guide limit for the sliding door assembly. The sliding door assembly is slidable back and forth along the fixed closure (as indicated by the arrows) by the rolling support assembly 500. Slip table cylinder 600 one end and the one end fixed connection that fixed bounding wall was kept away from to the sliding door subassembly, the other end is connected with the side of the flexible direction of flexible subassembly 300. Therefore, the telescopic driving of the sliding table cylinder can drive the telescopic assembly to perform up-and-down telescopic motion along the sliding door assembly. Furthermore, because flexible subassembly is connected with the slip table cylinder on the sliding door subassembly, so flexible subassembly can carry out the back-and-forth movement along with the sliding door subassembly, can increase the motion stroke when realizing linkage function.

Example two

Referring to fig. 3, the rolling support assembly 500 includes a support bracket 510, a rolling guide 520, a driving motor 530, a sliding structure 540, a guide coupling plate 550, and a guide coupling 560. One side of the support frame can be fixed on the ground through bolts, a guide rail connecting plate 550 is fixed above the other side along the length direction, the driving motor 530 is fixedly connected to the support frame on one side of the connecting plate, a plurality of guide rail connecting pieces 560 are arranged on the side of the other side at intervals, and the other ends of the connecting pieces are connected with the rolling guide rails 520 through bolts. The driving motor is connected to one end of the transmission structure 540. In the present embodiment, the transmission structure 540 is used by engaging the gear 541 with the rack 542. That is, the output shaft of the drive motor is connected to the gear 541 shaft; one end of the rack 542 is engaged with the gear and the other end is fixed to the bottom of the sliding door assembly 200. Thus, the driving motor starts the driving gear to rotate, and the gear drives the sliding door assembly connected with the rack to linearly move. I.e. to enable sliding of the sliding door assembly.

The sliding structure 540 can also be a lead screw nut assembly or a slide block and guide rail assembly. It should be noted that when the slide block and guide rail combination is adopted, the direction of the output shaft of the driving motor needs to be changed adaptively, and here, the driving motor can be replaced by a driving element such as an air cylinder or an electric cylinder. The specific working principle is similar to that of the present embodiment, and is not described herein again.

EXAMPLE III

Referring to fig. 4 to 6, the sliding door assembly 200 includes a sliding door 210, a plurality of rolling bodies 220 spaced apart from each other at the bottom of the sliding door, and a rail-defining groove 230 at the top of the sliding door. Further, the rolling body 220 includes two rollers 221, two roller shafts 222, and a roller bracket 223, one end of each roller shaft is embedded in the inner ring of the rolling bearing, then the rollers 221 are respectively sleeved on the outer ring of the rolling bearing, then the other ends of the roller shafts are respectively fixedly mounted on the roller bracket 223 at intervals and in a collinear manner, and then the roller bracket is fixedly connected to the bottom of the sliding door. Most preferably, the two rollers are arranged vertically with a gap matching the width of the rolling guide. The spacing between the rollers allows the rolling tracks 520 to nest into the opposite sides of the two rollers so that they are in touching engagement. Therefore, the sliding door can slide in the two rollers under the driving of the rolling guide rail, so that the sliding is more stable and smooth. The sliding door can be provided with auxiliary elements such as an observation window, a handle and the like according to requirements, so that an operator can be helped to observe the working process of the machine tool.

The sliding guide assembly comprises a sliding guide rail 410 which is fixedly installed on the top of the fixed enclosing plate 100, and a guide rail limiting groove 230 installed on the top of the sliding door is installed in cooperation with the sliding guide rail 410, so that the sliding door can move along the sliding guide rail under the driving of the guide rail limiting groove. Through the limiting and guiding of the sliding guide rail, the load of the sliding door is reduced under the condition of smooth and stable sliding, and the deformation and the sealing are also ensured.

It should be noted that the sliding guide rail and the guide limiting groove can be fixed on the fixed coaming and the sliding door through bolts. The sliding guide rail can be made of nylon materials so as to increase the wear resistance of the sliding guide rail. Of course, any material with good wear resistance can be used as the sliding guide rail, and the specific type is selected according to the actual situation.

Example four

In this embodiment, the flexible subassembly adopts two sections slide protecting plate to explain as the example, and in use can carry out nimble change according to operating condition.

Referring to fig. 7 and 8, the retraction assembly 300 includes a fixed guard plate 310, a first section of a slide guard plate 320, a second section of a slide guard plate 330, a guard plate roller 340, a first section of a slide guard plate roller slot 350, a second section of a slide guard plate roller slot 360, a guide bar 370, and a guide slot 380. The fixed guard plate, the first section of sliding guard plate and the second section of sliding guard plate are formed by bending thin steel plates, the cross sections of the fixed guard plate, the first section of sliding guard plate and the second section of sliding guard plate can be of U-shaped or n-shaped structures, and a vertical plate is arranged at one end of the moving direction of the fixed guard plate. The guard plates are similar in shape and can be nested and matched with each other, and when the vertical plate of the next guard plate is contacted with the vertical plate of the previous guard plate, the next guard plate continues to act to push the previous guard plate to operate. Reference may be made in particular to the construction of machine guide guards, which are well known to those skilled in the art and will not be described in detail here.

The first, second and guide slots 350, 360, 380 are fixedly attached to the side of the sliding door 210 remote from the fixed fence 100 at vertically spaced intervals. The fixing guard 310 is fixedly coupled to the bottom of the sliding door 210 by means of a screw, so as to slide back and forth with the sliding door. Further, the guard roller 340 is fixedly connected to one surface of the first section of sliding guard 320 and the second section of sliding guard 330, and the position of the guard roller is matched with the roller groove of the first section of sliding guard and the roller groove of the second section of sliding guard. The apron rollers mounted on the apron are then inserted into the first and second slide apron roller slots 350, 360, respectively, on the sliding door. It should be noted that, during installation, the first section of sliding protection plate is embedded into the fixed protection plate according to the shape of the protection plate, and then the second section of sliding protection plate is embedded into the first section of sliding protection plate, so that the first section of sliding protection plate can slide up and down relative to the fixed protection plate, and the second section of sliding protection plate slides up and down relative to the first section of sliding protection plate. Further, the guide bar 370 is fixedly installed on the second slide guard adjacent to one side of the sliding door and is inserted into the guide groove 380. Like this, the backplate has the direction through the shape of bending of self between each backplate when the up-and-down motion, and the gib block also has the direction in the guide way, and double-deck guide structure makes backplate operational load littleer, can also improve the functioning speed when the steady smooth and easy operation. Further, slip table cylinder 600 is connected with second section slide protecting plate. Therefore, the sliding cylinder moves to drive the second section of sliding protection plate to move, and the second section of sliding protection plate moves to drive the first section of sliding protection plate to move. It should be noted that the linkage between the guard plates can also be realized by scissors-like hinges, such as: steel sheet formula guide rail protection casing extending structure. Of course, any structure capable of realizing extension and retraction of the guard plate may be used, and the embodiment is not particularly limited.

EXAMPLE five

Referring to fig. 9, the linked door apparatus further includes a control assembly 700. The control assembly comprises a control box (not shown), a first inductive switch 710, a first inductive board 720, a second inductive switch 730, a second inductive board 740, a third inductive switch 750, a third inductive board 760 and an alarm. First inductive switch 710 fixed mounting is close to the one end of flexible subassembly at the sliding door top, and first tablet 720 fixed mounting is close to the top of sliding door one end at fixed bounding wall, highly matches with first inductive switch. Like this sliding door inductive switch can be through the first tablet of response when the operation, and the control box is given according to the control drive motor of inductive signal control to the realization slides the control around the sliding door. The second inductive switch 730 and the third inductive switch 750 are respectively and fixedly installed at the upper and lower ends of one side of the sliding door close to the retractable assembly, and the positions of the upper and lower ends are also the upper and lower limit positions of the retractable assembly 300. The second sensing plate 740 and the third sensing plate 760 are fixedly installed on the side of the second section of slide protection plate close to the sliding door. Like this, flexible subassembly is when carrying out the up-and-down motion, through the tablet and the inductive switch contact on the second section slide protective plate, just can send signal to the control box to the stroke of control flexible subassembly. The manual labor can be liberated through the application of the control assembly, and the automation and the intellectualization are improved while the accident is avoided. It should be noted that the inductive switch may be a proximity switch.

The alarm is installed on sliding door upper portion, and when the lathe is being worked, if someone opens the sliding door when manual, the alarm signal can be given to the control box, and the alarm can start to make a sound this moment, and the suggestion operator this is the violation of rules and regulations.

EXAMPLE six

Referring to fig. 9, the sliding door device further includes a sealing assembly 800, and the sealing assembly 800 further includes a strip brush 810, a scraping plate (not shown), and a baffle 820. The strip brushes 810 are respectively fixed on one side of each guard plate far away from the sliding door and the top end of the second guard plate, so that a certain sealing effect can be achieved. The scraping plate is fixed in a gap where the guard plates are matched with each other and is fixedly installed with one of the guard plates. The guard plate thus also acts as a seal during operation. Guide plate 820 fixed mounting is in the bottom of fixed bounding wall 100, sliding door 210 and telescopic component 300, and is the oblique angle, can improve operational environment on the one hand with the liquid drainage to the assigned position that splashes, and on the other hand can retrieve liquid reduce cost.

EXAMPLE seven

Referring to fig. 10, the machine tool protection of the gantry machining center comprises a linkage door device 10, a column 20, a beam 30, a spindle 40, a workbench 50, a left rail 60 and a right rail 70, wherein the linkage door device is symmetrically arranged on two sides of the beam of the machining center, one side of the linkage door device with a telescopic assembly is connected with a machine tool, and the other side of the linkage door device with a fixed coaming is respectively connected with the left rail and the right rail, so that the machine tool protection of the gantry machining center is formed.

The cross member 30 is installed on the column 20 and moves up and down, the main shaft 40 moves left and right on the cross member 20, and the table 50 moves back and forth. The left side fence and the right side coaming are fixed on the ground through bolts and used for blocking splashing liquid generated in the machining process of the machine tool. When a workpiece is machined, the main shaft moves up and down, and the workbench moves back and forth. Therefore, under some working conditions, the cross beam of the machine tool needs to move downwards, and the traditional structure may collide; and in addition, some working environments require operators to go in and out to check, turn over and the like, and the traditional structure has no violation prompt on one hand, and on the other hand, the environment working environment is severe and can cause industrial injuries. And adopt linkage door gear, can avoid personnel injured, reduce the hidden danger of crossbeam collision and can also improve equipment automation level, the whole quality of lifting means, and then promote user experience.

The specific working process is as follows:

lathe during operation, when the crossbeam removed to linkage door device top, linkage door device received signal, and the instruction was assigned to the control box this moment, and the slip table cylinder drives the flexible subassembly downstream, when moving to the third tablet, third inductive switch signals to electric cabinet, and the instruction was assigned to the electric cabinet this moment to driving motor, and then driving motor rotates and drives the sliding door and slide to fixed bounding wall direction, slides and stops when first inductive switch senses first tablet. Thereby automatically realizing the linkage of the sliding door. Through the strip brush, the scraping plate and the like installed on the telescopic assembly, the sealing performance of two sides of the machine tool stand column can be realized, and the machine tool cutting liquid is effectively prevented from splashing to the outside of the protection. Not only improves the working environment, but also avoids the hidden danger of slipping and falling injury caused by the cutting fluid.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A linkage door device is characterized by comprising a fixed enclosing plate, a sliding door assembly, a telescopic assembly, a control assembly, a sliding guide assembly, a rolling support assembly and a sliding table cylinder, wherein the bottom end of the fixed enclosing plate is fixed on the ground, and the top end of the fixed enclosing plate is connected with one end of the sliding guide assembly; the top end of the sliding door assembly is connected with the other end of the sliding guide assembly, and the bottom end of the sliding door assembly is connected with one surface of the rolling support assembly; the other side of the rolling support component is fixed on the ground; one end of the sliding table cylinder is connected with the sliding door assembly, and the other end of the sliding table cylinder is connected with the telescopic assembly; the control assembly is electrically connected with the rolling support assembly and the sliding table air cylinder.

2. The linkage door device according to claim 1, wherein the rolling support assembly comprises a support frame, a rolling guide rail, a driving motor and a transmission structure, one surface of the support frame is fixed on the ground, and the other surface of the support frame is connected with the rolling guide rail; the driving motor is connected with one end of the transmission structure and is connected to the supporting frame through a fastener; the other end of the transmission structure is fixed at the bottom of the sliding door assembly.

3. A ganged door arrangement according to claim 2, characterized in that the transmission structure is a rack and pinion combination or a lead screw nut combination or a slide guide combination.

4. The linked door apparatus of claim 2, wherein the sliding door assembly comprises a sliding door, a plurality of rolling bodies and a guide rail limiting groove, wherein the rolling bodies are connected to the bottom of the sliding door at intervals and matched with the rolling guide rail; the guide rail limiting groove is fixed at the top of the sliding door; the sliding guide assembly is fixed to the top of the fixed enclosing plate and is in sliding fit with the guide rail limiting groove.

5. The linked door device as claimed in claim 4, wherein the rolling body includes two rollers, a roller shaft, and a roller bracket, both ends of the roller shaft are embedded in the inner ring of the rolling bearing, each roller is sleeved on the outer ring of the rolling bearing to form a roller assembly, and the roller assembly is mounted on the roller bracket.

6. The ganged door apparatus of claim 1, wherein the telescoping assembly comprises a section of fixed fender, a plurality of sections of matched-shape sliding fenders, a plurality of fender rollers, a plurality of fender roller slots, guide bars, guide slots, the fixed fender and each of the sliding fenders being shaped similarly and in nested engagement; each guard plate roller groove and the guide groove are fixedly connected to one side of the sliding door at intervals; the fixed guard plate is fixedly connected with the bottom of the sliding door; each guard plate roller is fixedly connected with the sliding guard plate, and each roller is embedded into each guard plate roller groove in a matching manner; the guide strip is fixedly arranged on the sliding protection plate close to one side of the sliding door and is embedded into the guide groove; the sliding table cylinder is connected with the sliding protection plate.

7. The linked door device of claim 1, further comprising a sealing assembly, wherein the sealing assembly comprises a strip brush, a scrap scraper and a deflector, the strip brush is fixed on the top of the uppermost sliding guard plate and one side of each guard plate away from the sliding door; the scrap scraping plates are arranged in the matched gaps of the guard plates and are fixed on the adjacent guard plates; the guide plate is fixed at the bottom of the fixed coaming, the bottom of the sliding door and the bottom of the telescopic assembly.

8. A ganged door apparatus according to any of claims 1 to 7, wherein the slide guide assembly comprises a slide guide.

9. A gantry machining center machine tool comprising a column, a beam, a fence, characterized by further comprising a linked door apparatus according to any one of claims 1 to 8, the linked door apparatus being connected to the fence.

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