A fully dustproof single drive gantry

Abstract

The present invention belongs to the field of gantry technology, and particularly relates to a fully dustproof single-drive gantry, the single-drive gantry comprising a crossbeam axis module for carrying an object to drive the object to move, a lower axis module for carrying the crossbeam axis module to drive the crossbeam axis module to move, and an auxiliary axis for assisting in carrying the crossbeam axis module; the crossbeam axis module is arranged on the lower axis module and the auxiliary axis, the crossbeam axis module and / or the lower axis module comprises a base, a sliding platform and a retractable dust cover, two guide rails are arranged on the base, the guide rails and the base are integrally formed, first slide grooves are arranged on the sides of the two guide rails, a linear motor for driving the sliding platform to move is also fixedly arranged on the base, the sliding platform is movably arranged on the two guide rails through the first slide groove, and the sliding platform is connected to the linear motor; based on the fact that the guide rails and the base are integrally formed, the moving positioning accuracy of the uppermost slide is guaranteed, and the rigidity and carrying capacity of the lower axis module of the platform are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of gantry, and particularly relates to the structure of a single-drive gantry. Background Art

[0002] Existing linear motor single-drive gantry platforms all use standard rolling linear guides as guide mechanisms. The linear guides are connected to the module base through screws, and the guide sliders are connected to the sliding plates to achieve linear motion positioning of each axis. However, with the continuous upgrading of equipment, the equipment has higher and higher requirements for the speed and accuracy of the single-drive gantry, and the requirements for the size of the platform are getting smaller and smaller.

[0003] To meet the requirements of high speed, high acceleration and small size, the existing standard linear guide-guided linear motor single-drive gantry platform has the following problems to be improved:

[0004] 1. The platform has too many parts and components. The guide rails, sliders, bases of each axis, and slide plates are all connected by screws. The installation steps are cumbersome and the assembly takes a long time.

[0005] 2. The linear guide rail of the platform must be installed into the base of the linear motion system through screws and other fasteners, which will reduce the rigidity of the overall mechanism and make it difficult to meet the requirements of high-rigidity applications. Especially when the lower axis of the platform is used at high acceleration and high frequency, there are more screw connections in the moving part, which makes resonance more likely.

[0006] 3. The guiding accuracy of the linear guide rail of the platform after assembly is affected by the accuracy of the base and the mounting surface. The precision errors are usually superimposed. The precision errors of the components of the two axes are superimposed together, making it difficult to ensure the moving positioning accuracy of the top slide, which is prone to large height fluctuations.

[0007] 4. The linear guide rails used in the platform have a fixed structure and are combined into modules. The structure is not compact enough, the space utilization rate is not high, the platform size is difficult to compress, the platform center of gravity is high, and the operation stability is poor.

[0008] To improve the overall performance of the linear motor single-drive gantry platform, it is necessary to adopt a better guide device and make it highly integrated with the platform base, reduce the use of intermediate connecting fasteners, compress the platform's volume, lower the platform's center of gravity, and improve the platform's rigidity. Summary of the invention

[0009] In order to solve the above problems, the primary purpose of the present invention is to provide a fully dustproof single-drive gantry, which integrates the base and the guide rail together, so that the installation steps are simple and the assembly time is short; and it is easy to ensure the moving positioning accuracy of the top slide.

[0010] Another object of the present invention is to provide a fully dustproof single-drive gantry, which has higher overall rigidity and is suitable for high-rigidity application requirements.

[0011] In order to achieve the above object, the technical solution of the present invention is as follows.

[0012] A fully dustproof single-drive gantry, the single-drive gantry includes a beam axis module for carrying an object to drive the object to move, a lower axis module for carrying the beam axis module to drive the beam axis module to move, and an auxiliary axis for assisting the beam axis module; the beam axis module is arranged on the lower axis module and the auxiliary axis, characterized in that the beam axis module and / or the lower axis module include a base, a sliding platform and a retractable dust cover, two guide rails are arranged on the base, the guide rails and the base are integrally formed, and the sides of the two guide rails are both provided with a first slide groove, and a linear motor for driving the sliding platform to move is also fixedly arranged on the base, the sliding platform is movably arranged on the two guide rails through the first slide groove, and the sliding platform is connected to the linear motor; the number of the dust covers is two, and the two ends of one dust cover are respectively connected to one end of the sliding platform and one end of the base, and the two ends of the other dust cover are respectively connected to the other end of the sliding platform and the other end of the base. The working principle of the linear motor is the existing technology. The setting of the dust cover has a dust-proof effect. In the single-drive gantry, either the crossbeam axis module or the lower axis module may include a base, a sliding platform and a telescopic dust cover, or both of them may include a base, a sliding platform and a telescopic dust cover.

[0013] Traditional guide rails need to be finely ground before leaving the factory to ensure their own accuracy, but they cannot avoid deformation during transportation and turnover after leaving the factory. When connected to the base by screw fastening, the straightness also needs to be measured by tools such as micrometers and flat rulers, and fine adjustments are made to meet higher straightness. However, during the installation process, the precision errors are usually superimposed by the accuracy of the base and the mounting surface, and the final product accuracy will inevitably be greater than the accuracy that the guide rail itself can guarantee. In the single-drive gantry of the present invention, based on the integral molding of the guide rail and the base, the precision machining link of the guide rail can be placed after the base is formed, and grinding can be performed directly to directly ensure the final straightness, avoid deformation and error accumulation in the intermediate links, and achieve higher accuracy, ensure the mobile positioning accuracy of the top slide, and improve the rigidity and bearing capacity of the lower shaft module of the platform. In addition, the base and the guide rail are integrated together, eliminating the original processing link of the guide rail mounting surface and the adjustment link of the guide rail installation accuracy, making the installation steps simple, the assembly time is short, and labor costs are saved.

[0014] Furthermore, the sliding platform is provided with a sliding cavity corresponding to the guide rail, the guide rail is movably arranged in the sliding cavity, the sliding cavity is provided with a second sliding groove corresponding to the first sliding groove, the first sliding groove and the second sliding groove cooperate to form a sliding groove channel, and a ball is arranged in the sliding groove channel.

[0015] Furthermore, the guide rail is provided with a first slide groove on both sides, and the sliding cavity is provided with a second slide groove at the first slide groove on both sides of the guide rail. The arrangement of the above four slide groove channels and the arrangement of the ball make the movement between the sliding platform and the base smoother by the rolling of the ball in the slide groove channels when the sliding platform and the base move relative to each other. And the above arrangement makes more reasonable use of space. The arrangement of the above four slide groove channels and the ball makes four embedded sliding structures formed between the base and the sliding platform, that is, the guide rail is an embedded guide rail with an embedded sliding structure.

[0016] Furthermore, the two sliding cavities are respectively located at the two ends of the bottom side of the sliding platform, and a first fixed groove is also provided in the middle of the bottom side of the sliding platform, and the upper side of the linear motor is fixedly provided in the first fixed groove; a second fixed groove is formed between the two guide rails, and the lower side of the linear motor is fixedly provided in the second fixed groove. The above-mentioned base is in a "U" shape as a whole. The position setting of the above-mentioned first fixed groove and the second fixed groove, as well as the setting of the linear motor, make full use of the space of the base, reduce the height of the single-drive gantry, and the center of gravity is also lowered accordingly, and the overall weight of the single-drive gantry is reduced. The linear motor here may include a stator and a mover, wherein the stator is fixed in the second fixed groove, and the mover is fixed in the first fixed groove.

[0017] Furthermore, a boss is extended from the base, and the boss is located below the chute channel; an anti-overflow groove is arranged on the boss, and the anti-overflow groove is located below the chute channel. The boss and its anti-overflow groove can catch the grease overflowing from the chute channel to prevent oil leakage and pollution.

[0018] Furthermore, a group of sliding parts are provided on both sides of the sliding platform, and a group of sliding parts includes two sliding parts. The sliding cavity is formed between the sliding platform and the corresponding two sliding parts. The second sliding groove is provided on the sliding part, and a accommodating channel for accommodating the ball is also provided in the sliding part, and both ends of the accommodating channel are connected to the sliding groove channel.

[0019] Furthermore, the sliding member is provided with anti-slip parts for preventing the ball from escaping at both ends of the corresponding accommodation channel, and the anti-slip parts are movably arranged in the first slide groove; the sliding platform is also provided with an oil injection hole, one end of which penetrates the sliding platform and is exposed to the outside, and the other end penetrates into the sliding cavity and corresponds to the slide groove channel. The provision of the oil injection hole allows lubricating grease to be directly injected into the sliding cavity through the oil injection hole without disassembling the sliding platform.

[0020] Furthermore, the side of the sliding platform is fixedly provided with an auxiliary guide rail adapter block, the side of the base is provided with an auxiliary linear guide rail, and the auxiliary guide rail adapter block is connected to the auxiliary linear guide rail. The four slide slots and eight sliding members of the lower shaft module and / or the crossbeam shaft module are supported and a side auxiliary linear guide rail is provided, which further improves the rigidity and load-bearing capacity of the lower shaft module and / or the crossbeam shaft module.

[0021] Furthermore, an anti-collision block is fixedly arranged on the side of the guide rail, the anti-collision block corresponds to the position of the sliding member and is located below the sliding member; the number of the anti-collision blocks is more than two and they are evenly arranged. The anti-collision block is used to prevent the sliding member from colliding with the base.

[0022] Furthermore, a photoelectric switch sensor sheet is provided on the side of the sliding platform, and a photoelectric induction switch corresponding to the photoelectric switch sensor sheet is provided on the side of the base; a grating ruler is fixedly provided on the side of the base, and a grating encoder is fixedly provided on the lower side of the sliding platform, and the grating encoder corresponds to the grating ruler. The working principle of the photoelectric switch sensor sheet and the photoelectric induction switch is the existing technology. The working principle of the grating ruler and the grating encoder is the existing technology.

[0023] The beneficial effect of the present invention is that compared with the prior art, in the present invention, based on the integral molding of the guide rail and the base, the precision machining of the guide rail can be placed after the base is molded, and then directly ground to directly ensure the final straightness, avoiding deformation and error accumulation in the intermediate links, achieving higher precision, ensuring the mobile positioning accuracy of the top slide, and improving the rigidity and load-bearing capacity of the lower shaft module of the platform. In addition, the base and the guide rail are integrated together, eliminating the original machining link of the guide rail installation surface and the adjustment link of the guide rail installation accuracy, making the installation steps simple, the assembly time is short, and saving labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention.

[0025] Figure 2 This is the first-person exploded view of the beam axis module.

[0026] Figure 3 This is the second perspective exploded view of the beam axis module.

[0027] Figure 4 It is a cross-sectional view of the beam shaft module.

[0028] Figure 5 yes Figure 4 A partial enlarged view of point A.

[0029] Figure 6 This is a schematic diagram of the crossbeam sliding platform and part of the crossbeam linear motor structure.

[0030] Figure 7 It is a structural schematic diagram of a set of beam sliding parts.

[0031] Figure 8 It is an exploded view of the auxiliary axis.

[0032] Fig. 9 This is the first-person exploded view of the lower shaft module.

[0033] Fig.10 This is the second-person exploded view of the lower shaft module.

[0034] Fig.11 It is a cross-sectional view of the lower shaft module.

[0035] Fig.12 yes Fig.11 A partial enlarged view of point B.

[0036] Fig.13 This is a schematic diagram of the lower axis sliding platform and part of the lower axis linear motor structure.

[0037] Fig.14 It is a structural schematic diagram of a set of lower shaft sliding parts. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0039] See also Figure 1, a fully dustproof single-drive gantry, the single-drive gantry includes a beam axis module 1 for carrying an object to drive the object to move, a lower axis module 2 for carrying the beam axis module 1 to drive the movement of the beam axis module 1, and an auxiliary axis 3 for assisting in carrying the beam axis module 1; the beam axis module 1 is arranged on the lower axis module 2 and the auxiliary axis 3, and is characterized in that the beam axis module 1 and the lower axis module 2 both include a base, a sliding platform and a retractable dust cover, specifically, the beam axis module 1 includes a beam base 11, a beam sliding platform 12 and a retractable beam dust cover 13; the lower axis module 2 includes a lower mold base 21, a lower mold sliding platform 22 and a retractable lower mold dust cover 23; the beam dust cover 13 and the lower mold dust cover 23 here are preferably accordion covers.

[0040] See also Figure 8 The auxiliary shaft 3 includes an auxiliary shaft base 31, an auxiliary shaft linear guide 32, an auxiliary shaft dust cover 33, and an auxiliary shaft adapter plate 34. The auxiliary shaft linear guide 32 is arranged on the auxiliary shaft base 31, and the auxiliary shaft adapter plate 34 is fixed on the auxiliary shaft linear guide 32. There are two auxiliary shaft dust covers 33. The two ends of one auxiliary shaft dust cover 33 are respectively connected to one end of the auxiliary shaft adapter plate 34 and one end of the auxiliary shaft base 31, and the two ends of the other auxiliary shaft dust cover 33 are respectively connected to the other end of the auxiliary shaft adapter plate 34 and the other end of the auxiliary shaft base 31; the crossbeam shaft module 1 is arranged on the auxiliary shaft adapter plate 34 and the lower mold sliding platform 22.

[0041] See also Figure 2-7 , two crossbeam guide rails 14 are arranged on the crossbeam base 11, and the crossbeam guide rails 14 are integrally formed with the crossbeam base 11, and the sides of the two crossbeam guide rails 14 are respectively provided with crossbeam first slide grooves 141, and the crossbeam base 11 is also fixedly provided with a crossbeam linear motor 15 for driving the crossbeam sliding platform 12 to move, and the crossbeam sliding platform 12 is movably arranged on the two crossbeam guide rails 14 through the crossbeam first slide grooves 141, and the crossbeam sliding platform 12 is connected to the crossbeam linear motor 15; the number of the crossbeam dust covers 13 is two, and the two crossbeam dust covers 13 are arranged on the crossbeam base 11, and the two ends of one crossbeam dust cover 13 are respectively fixedly connected to one end of the crossbeam sliding platform 12 and one end of the crossbeam base 11, and the two ends of the other crossbeam dust cover 13 are respectively fixedly connected to the other end of the crossbeam sliding platform 12 and the other end of the crossbeam base 11.

[0042] Furthermore, the beam sliding platform 12 is provided with a beam sliding cavity 121 corresponding to the beam guide rail 14, and the beam guide rail 14 is movably arranged in the beam sliding cavity 121. The beam sliding cavity 121 is provided with a beam second slide groove 122 corresponding to the beam first slide groove 141. The first beam slide groove 141 and the second beam slide groove 122 cooperate to form a beam slide groove channel, and a beam ball 142 is arranged in the beam slide groove channel.

[0043] Furthermore, the beam guide rail 14 is provided with first beam sliding grooves 141 on both sides thereof, and the beam sliding cavity 121 is provided with second beam sliding grooves 122 at locations corresponding to the first beam sliding grooves 141 on both sides thereof.

[0044] Furthermore, the two beam sliding cavities 121 are respectively located at the two ends of the bottom side of the beam sliding platform 12, and a beam first fixing groove 123 is also provided in the middle of the bottom side of the beam sliding platform 12, and the upper side of the beam linear motor 15 is fixedly arranged in the beam first fixing groove 123. The beam linear motor 15 drives the beam sliding platform 12 to move, and then drives the workpiece on the beam sliding platform 12 to move. A beam second fixing groove is formed between the two beam guide rails, and the lower side of the beam linear motor is fixedly arranged in the beam second fixing groove. The beam second fixing groove corresponds to the beam first fixing groove.

[0045] Furthermore, a beam boss 111 is extended from the beam base 11, and the beam boss 111 is located below the beam slide channel; a beam anti-overflow groove 112 is provided on the beam boss 111, and the beam anti-overflow groove 112 is located below the beam slide channel.

[0046] Further, a group of crossbeam sliding members 124 are provided on both sides of the crossbeam sliding platform 12, and a group of crossbeam sliding members 124 includes two crossbeam sliding members 124, the crossbeam sliding cavity 121 is formed between the crossbeam sliding platform 12 and the corresponding two crossbeam sliding members 124, the crossbeam second slide groove 122 is provided on the crossbeam sliding member 124, and the crossbeam sliding member 124 is also provided with a crossbeam receiving channel 125 for receiving the crossbeam ball 142, and both ends of the crossbeam receiving channel 125 are connected to the crossbeam slide groove channel. It can also be preferred that two groups of crossbeam sliding members 124 are provided on both sides of the crossbeam sliding platform 12, that is, two groups of crossbeam sliding members 124 are connected to each crossbeam guide rail 14.

[0047] Furthermore, the beam sliding member 124 is fixedly provided with a beam anti-detachment portion 126 for preventing the beam ball 142 from detaching at both ends of the beam accommodating channel 125, and the beam anti-detachment portion 126 is movably arranged in the first beam slide groove 141; the beam sliding platform 12 is also provided with a beam oil filling hole 127, one end of the beam oil filling hole 127 passes through the beam sliding platform 12 and is exposed to the outside, and the other end passes through the beam sliding cavity 121 and corresponds to the beam slide groove channel.

[0048] Furthermore, a crossbeam anti-collision block 143 is fixedly provided on the side of the crossbeam guide rail 14. The crossbeam anti-collision block 143 corresponds to the position of the crossbeam sliding member 124 and is located below the crossbeam sliding member 124. The number of the crossbeam anti-collision blocks 143 is more than two and they are evenly arranged.

[0049] Furthermore, a beam photoelectric switch sensor sheet 16 is provided on the side of the beam sliding platform 12, and a beam photoelectric sensor switch 161 corresponding to the beam photoelectric switch sensor sheet 16 is provided on the side of the beam base 11; a beam grating ruler 17 is fixedly provided on the side of the beam base, and a beam grating encoder 171 is fixedly provided on the lower side of the beam sliding platform 12, and the beam grating encoder 171 corresponds to the beam grating ruler 17.

[0050] The structure in the beam shaft module with the prefix "beam" is essentially the same as the corresponding structure without the prefix "beam" in the invention content. In the embodiment, it is to distinguish from the various structures of the lower shaft module.

[0051] See also Figure 8-14 , two lower shaft guide rails 24 are arranged on the lower shaft base 21, and the lower shaft guide rails 24 are integrally formed with the lower shaft base 21, and the sides of the two lower shaft guide rails 24 are respectively provided with lower shaft first slide grooves 241, and the lower shaft base 21 is also fixedly provided with a lower shaft linear motor 25 for driving the lower shaft sliding platform 22 to move, and the lower shaft sliding platform 22 is movably arranged on the two lower shaft guide rails 24 through the lower shaft first slide groove 241, and the lower shaft sliding platform 22 is connected to the lower shaft linear motor 25; the number of the lower shaft dust covers 23 is two, and the two lower shaft dust covers 23 are arranged on the lower shaft base 21, and the two ends of one lower shaft dust cover 23 are respectively fixedly connected to one end of the lower shaft sliding platform 22 and one end of the lower shaft base 21, and the two ends of the other lower shaft dust cover 23 are respectively fixedly connected to the other end of the lower shaft sliding platform 22 and the other end of the lower shaft base 21.

[0052] Furthermore, the lower shaft sliding platform 22 is provided with a lower shaft sliding cavity 221 corresponding to the lower shaft guide rail 24, and the lower shaft guide rail 24 is movably arranged in the lower shaft sliding cavity 221. The lower shaft sliding cavity 221 is provided with a lower shaft second slide groove 222 corresponding to the lower shaft first slide groove 241. The lower shaft first slide groove 241 and the lower shaft second slide groove 222 cooperate to form a lower shaft slide groove channel, and a lower shaft ball 242 is arranged in the lower shaft slide groove channel.

[0053] Furthermore, the lower shaft guide rail 24 is provided with lower shaft first sliding grooves 241 on both sides, and the lower shaft sliding cavity 221 is provided with lower shaft second sliding grooves 222 corresponding to the lower shaft first sliding grooves 241 on both sides of the lower shaft guide rail 24 .

[0054] Furthermore, the two lower shaft sliding cavities 221 are respectively located at the two ends of the bottom side of the lower shaft sliding platform 22, and a lower shaft first fixed groove 223 is also provided in the middle of the bottom side of the lower shaft sliding platform 22, and the upper side of the lower shaft linear motor 25 is fixedly arranged in the lower shaft first fixed groove 223. The lower shaft linear motor 25 drives the lower shaft sliding platform 22 to move, and then drives the crossbeam shaft module on the lower shaft sliding platform 22 to move. A lower shaft second fixed groove is formed between the two lower shaft guide rails, and the lower side of the lower shaft linear motor is fixedly arranged in the lower shaft second fixed groove. The lower shaft second fixed groove corresponds to the lower shaft first fixed groove.

[0055] Furthermore, a lower shaft boss 211 is extended from the lower shaft base 21, and the lower shaft boss 211 is located below the lower shaft slide groove channel; a lower shaft anti-overflow groove 212 is provided on the lower shaft boss 211, and the lower shaft anti-overflow groove 212 is located below the lower shaft slide groove channel.

[0056] Further, a group of lower shaft sliding members 224 are provided on both sides of the lower shaft sliding platform 22, and a group of lower shaft sliding members 224 includes two lower shaft sliding members 224, the lower shaft sliding cavity 221 is formed between the lower shaft sliding platform 22 and the corresponding two lower shaft sliding members 224, the lower shaft second slide groove 222 is provided on the lower shaft sliding member 224, and the lower shaft sliding member 224 is also provided with a lower shaft accommodating channel 225 for accommodating the lower shaft ball 242, and both ends of the lower shaft accommodating channel 225 are connected to the lower shaft slide groove channel. It can also be preferred that two groups of lower shaft sliding members 224 are provided on both sides of the lower shaft sliding platform 22, that is, two groups of lower shaft sliding members 224 are connected to each lower shaft guide rail 24.

[0057] Furthermore, the lower shaft sliding member 224 is fixedly provided with a lower shaft anti-detachment portion 226 for preventing the lower shaft ball 242 from detaching at both ends corresponding to the lower shaft accommodating channel 225, and the lower shaft anti-detachment portion 226 is movably arranged in the first slide groove 241 of the lower shaft; a lower shaft oil filling hole 227 is also arranged on the lower shaft sliding platform 22, and one end of the lower shaft oil filling hole 227 passes through the lower shaft sliding platform 22 and is exposed to the outside, and the other end passes through the lower shaft sliding cavity 221 and corresponds to the lower shaft slide groove channel.

[0058] Furthermore, a lower shaft auxiliary guide rail adapter block 28 is fixedly provided on the side of the lower shaft sliding platform 22, a lower shaft auxiliary linear guide rail 29 is fixedly provided on the side of the lower shaft base 21, and the lower shaft auxiliary guide rail adapter block 28 is connected to the lower shaft auxiliary linear guide rail 28. An auxiliary linear guide rail and an auxiliary guide rail adapter block may also be provided on the crossbeam shaft module 1.

[0059] Furthermore, a lower shaft anti-collision block 243 is fixedly provided on the side of the lower shaft guide rail 24, and the lower shaft anti-collision block 243 corresponds to the position of the lower shaft sliding member 224 and is located below the lower shaft sliding member 224; the number of the lower shaft anti-collision blocks 243 is more than two and is evenly arranged.

[0060] Furthermore, a lower shaft photoelectric switch sensing sheet 26 is provided on the side of the lower shaft sliding platform 22, and a lower shaft photoelectric sensing switch 261 corresponding to the lower shaft photoelectric switch sensing sheet 26 is provided on the side of the lower shaft base 21; a lower shaft grating ruler 27 is fixedly provided on the side of the lower shaft base, and a lower shaft grating encoder 271 is fixedly provided on the lower side of the lower shaft sliding platform 22, and the lower shaft grating encoder 271 corresponds to the lower shaft grating ruler 27.

[0061] The structure in the lower shaft module with the prefix "lower shaft" in the above description is substantially the same as the corresponding structure in the invention content without the prefix "lower shaft"; in the embodiment, it is to distinguish it from the various structures of the crossbeam shaft module.

[0062] The beneficial effect of the present invention is that compared with the prior art, in the present invention, based on the integral molding of the guide rail and the base, the precision machining of the guide rail can be placed after the base is molded, and then directly ground to directly ensure the final straightness, avoiding deformation and error accumulation in the intermediate links, achieving higher precision, ensuring the mobile positioning accuracy of the top slide, and improving the rigidity and load-bearing capacity of the lower shaft module of the platform. In addition, the base and the guide rail are integrated together, eliminating the original machining link of the guide rail installation surface and the adjustment link of the guide rail installation accuracy, making the installation steps simple, the assembly time is short, and saving labor costs.

[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully dustproof single-drive gantry, the single-drive gantry comprising a beam shaft module for carrying an object to drive the object to move, a lower shaft module for carrying the beam shaft module to drive the beam shaft module to move, and an auxiliary shaft for assisting the bearing of the beam shaft module; the beam shaft module is arranged on the lower shaft module and the auxiliary shaft, characterized in that: The crossbeam axis module and / or the lower axis module include a base, a sliding platform and a retractable dust cover, the base is provided with two guide rails, the guide rails and the base are integrally formed, the sides of the two guide rails are provided with a first slide groove, and a linear motor for driving the sliding platform to move is also fixedly provided on the base, the sliding platform is movably arranged on the two guide rails through the first slide groove, and the sliding platform is connected to the linear motor; the number of the dust covers is two, the two ends of one dust cover are respectively connected to one end of the sliding platform and one end of the base, and the two ends of the other dust cover are respectively connected to the other end of the sliding platform and the other end of the base; The sliding platform is provided with a sliding cavity corresponding to the guide rail, the guide rail is movably arranged in the sliding cavity, the sliding cavity is provided with a second sliding groove corresponding to the first sliding groove, the first sliding groove and the second sliding groove cooperate to form a sliding groove channel, and a ball is arranged in the sliding groove channel; A group of sliding members is provided on both sides of the sliding platform, and a group of sliding members includes two sliding members. The sliding cavity is formed between the sliding platform and the corresponding two sliding members. The second slide groove is provided on the sliding member, and a receiving channel for receiving the ball is also provided in the sliding member, and both ends of the receiving channel are connected to the slide groove channel. Anti-slip parts for preventing the ball from escaping are arranged at both ends of the corresponding accommodating channel of the sliding part, and the anti-slip parts are movably arranged in the first slide groove; an oil filling hole is also arranged on the sliding platform, one end of the oil filling hole passes through the sliding platform and is exposed to the outside, and the other end passes through the sliding cavity and corresponds to the slide groove channel.

2. A fully dustproof single-drive gantry according to claim 1, characterized in that: The guide rail is provided with first sliding grooves on both sides thereof, and the sliding cavity is provided with second sliding grooves at the positions of the first sliding grooves on both sides thereof corresponding to the guide rail.

3. A fully dustproof single-drive gantry according to claim 1, characterized in that: The two sliding cavities are respectively located at the two ends of the bottom side of the sliding platform. A first fixed groove is also provided in the middle of the bottom side of the sliding platform. The upper side of the linear motor is fixedly provided in the first fixed groove. A second fixed groove is formed between the two guide rails. The lower side of the linear motor is fixedly provided in the second fixed groove.

4. A fully dustproof single-drive gantry according to claim 1, characterized in that: Therefore, a boss is extended on the base, and the boss is located below the slide channel; an anti-overflow groove is arranged on the boss, and the anti-overflow groove is located below the slide channel.

5. A fully dustproof single-drive gantry according to claim 1, characterized in that: An auxiliary guide rail adapter block is fixedly arranged on the side of the sliding platform, an auxiliary linear guide rail is arranged on the side of the base, and the auxiliary guide rail adapter block is connected to the auxiliary linear guide rail.

6. A fully dustproof single-drive gantry according to claim 1, characterized in that: An anti-collision block is fixedly arranged on the side of the guide rail, the anti-collision block corresponds to the position of the sliding member and is located below the sliding member; the number of the anti-collision blocks is more than two and they are evenly arranged.

7. A fully dustproof single-drive gantry according to claim 1, characterized in that: A photoelectric switch sensor sheet is arranged on the side of the sliding platform, and a photoelectric sensor switch corresponding to the photoelectric switch sensor sheet is arranged on the side of the base; a grating ruler is fixedly arranged on the side of the base, and a grating encoder is fixedly arranged on the lower side of the sliding platform, and the grating encoder corresponds to the grating ruler.

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