Air cylinder assembly and industrial robot

Abstract

The utility model discloses a cylinder assembly and industrial robot relates to cylinder assembly technical field, including cylinder barrel, seal dustproof subassembly and anti-deviation guide subassembly, the rear and front of cylinder barrel are respectively equipped with rear end cover and front end cover, and the front side of cylinder barrel is integratedly fixed with extension barrel, and the extension barrel is equipped with the seal dustproof subassembly and anti-deviation guide subassembly. A piston rod is arranged in the cylinder barrel and the extension barrel, a sealing dustproof assembly is arranged on the inner side of the extension barrel, an anti-deviation guide assembly is installed on the outer side of the piston rod, the anti-deviation guide assembly comprises two installation hoops of a semicircular structure, a lug plate, a side plate and a guide rod, and the lug plate is arranged on the outer side of the piston rod. The two installation hoops are arranged on the outer side of the piston rod and connected with the piston rod through bolts. According to the air cylinder assembly and the industrial robot, when the piston rod telescopically moves front and back, the guide rod on the outer side of the mounting hoop can be slidably connected with the through groove of the fixing plate to achieve the limiting effect, and therefore the piston rod stably moves front and back.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cylinder assembly, concretely to a cylinder assembly and industrial robot. BACKGROUND

[0002] Industrial robot is a kind of operation machine that can be automatically controlled, can be repeatedly programmed, is multipurpose and can be programmed on 3 or more axes.Industrial robot is composed of main body, drive system and control system three basic parts, and its drive system usually needs to install cylinder assembly, and cylinder is the cylindrical metal machine part that guides the linear reciprocating motion of piston in cylinder.

[0003] The existing cylinder assembly for industrial robot cannot fully guarantee the straightness of cylinder piston rod when moving in the use process, there can be piston rod deviation or bending, so that the front and back movement stability of piston rod is insufficient.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a kind of cylinder assembly and industrial robot are provided. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of cylinder assembly and industrial robot, to solve the problems presented in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of cylinder assembly, including cylinder barrel, sealing dustproof component and anti-deviation guide component, rear and front of the cylinder barrel are respectively equipped with rear end cover and front end cover, and the front side of cylinder barrel is integrally fixed with extension cylinder, the inside of cylinder barrel, extension cylinder is provided with piston rod, and the inside of extension cylinder is provided with sealing dustproof component, the outside of piston rod is installed with anti-deviation guide component, and anti-deviation guide component includes mounting hoop, ear plate, side plate and guide rod, the mounting hoop is semicircular structure, and mounting hoop is provided with two, two the mounting hoop is set to the outside of piston rod and is bolted with piston rod, ear plate is arranged on the upper side and the lower side of mounting hoop, and it is bolted between ear plate, the middle part outside of mounting hoop is fixed with side plate, and the rear side of side plate is fixed with guide rod, the both sides of rear end cover are installed with fixed plate, and the middle part of fixed plate is provided with the through slot corresponding to guide rod.

[0007] Further, the sealing dustproof component includes guide sleeve and dustproof ring, the inside of extension cylinder is sequentially provided with guide sleeve and dustproof ring from inside to outside, and the inner diameter of guide sleeve and dustproof ring is consistent with the size of piston rod.

[0008] Further, the sealing dustproof component further includes pressing ring, the section of dustproof ring is "convex" type structure, and the both sides of dustproof ring are provided with pressing ring, and pressing ring is fixedly connected with the inner wall of extension cylinder.

[0009] Further, the front outer side of the piston rod is provided with a mounting shell, one side of the mounting shell is fixedly provided with a connecting sleeve ring, and the connecting sleeve ring is fixedly connected with the piston rod by bolts.

[0010] Further, the inside of the mounting shell is provided with a rotating assembly, the rotating assembly comprises a bearing and a rotating shaft, the front end of the piston rod is rotatably connected with the rotating shaft through the bearing, and the rotating shaft penetrates through the side wall of the mounting shell and is rotatably connected with the mounting shell.

[0011] Further, the rotating assembly further comprises a passive gear ring and a driving gear, the outer side of the rotating shaft is fixedly provided with the passive gear ring, and one side of the passive gear ring is engaged with the driving gear.

[0012] Further, the rotating assembly further comprises a driving shaft and a driving motor, one side of the driving gear is connected with the driving shaft, one side of the driving shaft is provided with the driving motor, and the driving motor is fixedly arranged on one side of the inner wall of the mounting shell.

[0013] Further, two guide rods are symmetrically arranged about the center line of the cylinder barrel, and the guide rods penetrate through the through slot of the fixed plate and are slidably connected with the fixed plate.

[0014] An industrial robot is provided with the cylinder assembly.

[0015] The cylinder assembly and the industrial robot have the following beneficial effects:

[0016] The anti-deviation guide assembly is arranged, the guide rods on the outer side of the mounting hoop can be slidably connected with the through slot of the fixed plate during the forward and backward telescopic movement of the piston rod, and the guide sleeves and the dustproof rings can be arranged to seal and prevent dust, the compression ring is arranged on both sides of the dustproof ring with a "convex" cross-section structure, the deformation of the dustproof ring can be prevented, and the mounting hoop is connected with the piston rod by bolts, so that the mounting hoop can be easily disassembled.

[0017] The rotating assembly is arranged, the piston rod can be telescopically moved in the cylinder barrel, the connecting sleeve ring of the mounting shell is fixedly arranged on the front outer side of the piston rod by bolts, the mounting shell is used for protecting the rotating assembly, the driving motor and the driving shaft are used for driving the rotation of the driving gear, the driving gear is engaged with the passive gear ring, and the rotation of the passive gear ring and the rotating shaft can be driven, so that the rotation function can be realized while the cylinder assembly is telescopically moved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a schematic structural diagram of the whole cylinder assembly and the industrial robot;

[0019] Figure 2The utility model discloses a cylinder assembly and the rotating assembly structure schematic diagram of industrial robot of industrial robot.

[0020] Figure 3 The utility model discloses a cylinder assembly and the sealing dustproof subassembly structure schematic diagram of industrial robot of industrial robot.

[0021] Figure 4 The utility model discloses a cylinder assembly and the anti-deviation guide subassembly structure schematic diagram of industrial robot of industrial robot.

[0022] In the drawing: 1, cylinder barrel;2, rear end cover;3, front end cover;4, extension cylinder;5, piston rod;6, sealing dustproof subassembly;601, guide sleeve;602, dustproof ring;603, pressing ring;7, installation shell;8, connecting sleeve ring;9, rotating assembly;901, bearing;902, rotating shaft;903, passive gear ring;904, driving gear;905, driving shaft;906, driving motor;10, anti-deviation guide subassembly;1001, mounting hoop;1002, ear plate;1003, side plate;1004, guide rod;11, fixed plate. DETAILED DESCRIPTION

[0023] The embodiments of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0024] As Figure 1 and Figure 3 shown, a kind of cylinder assembly, including cylinder barrel 1, sealing dustproof subassembly 6 and anti-deviation guide subassembly 10, rear and front of cylinder barrel 1 are respectively equipped with rear end cover 2 and front end cover 3, and the front side of cylinder barrel 1 is integrally fixed with extension cylinder 4, and the inside of cylinder barrel 1, extension cylinder 4 is provided with piston rod 5, and the inside of extension cylinder 4 is provided with sealing dustproof subassembly 6, sealing dustproof subassembly 6 includes guide sleeve 601 and dustproof ring 602, the inside of extension cylinder 4 is sequentially provided with guide sleeve 601 and dustproof ring 602 from inside to outside, and the inner diameter of guide sleeve 601 and dustproof ring 602 is consistent with the size of piston rod 5, sealing dustproof subassembly 6 also includes pressing ring 603, the section of dustproof ring 602 is "convex" type structure, and dustproof ring 602 is provided with pressing ring 603 on both sides, and pressing ring 603 is fixedly connected with the inner wall of extension cylinder 4;Piston rod 5 can be in the inside of cylinder barrel 1 and be flexibly extended, the setting of guide sleeve 601 and dustproof ring 602 can play the role of sealing dust prevention, wherein pressing ring 603 is set on both sides of the dustproof ring 602 of section "convex" type structure, can prevent dustproof ring 602 from deforming, to prolong the service life of cylinder assembly.

[0025] As Figure 1 and Figure 2As shown, the front outer side of the piston rod 5 is provided with a mounting shell 7, one side of the mounting shell 7 is fixedly provided with a connecting sleeve ring 8, and the connecting sleeve ring 8 is bolted with the piston rod 5, the inside of the mounting shell 7 is provided with a rotating assembly 9, and the rotating assembly 9 comprises a bearing 901 and a rotating shaft 902, the front end of the piston rod 5 is rotatably connected with the rotating shaft 902 through the bearing 901, and the rotating shaft 902 penetrates the side wall of the mounting shell 7 and is rotatably connected with the mounting shell 7, the rotating assembly 9 further comprises a driven gear ring 903 and a driving gear 904, the outer side of the rotating shaft 902 is fixedly provided with the driven gear ring 903, and one side of the driven gear ring 903 is engaged with the driving gear 904, the rotating assembly 9 further comprises a drive shaft 905 and a drive motor 906, one side of the driving gear 904 is connected with the drive shaft 905, one side of the drive shaft 905 is provided with the drive motor 906, and the drive motor 906 is fixedly arranged on one side of the inner wall of the mounting shell 7; the connecting sleeve ring 8 of the mounting shell 7 is bolted on the front outer side of the piston rod 5, the mounting shell 7 is used for protecting the rotating assembly 9, the driving gear 904 is driven to rotate through the drive motor 906 and the drive shaft 905, the driving gear 904 is engaged with the driven gear ring 903, thereby driving the driven gear ring 903 and the rotating shaft 902 to rotate, so as to realize the rotating function while the cylinder assembly is extended and retracted.

[0026] As shown in Figure 1 and Figure 4 , the outer side of the piston rod 5 is provided with an anti-deviation guide assembly 10, and the anti-deviation guide assembly 10 comprises a mounting hoop 1001, an ear plate 1002, a side plate 1003 and a guide rod 1004, the mounting hoop 1001 is in a semicircular structure, and two mounting hoops 1001 are arranged on the outer side of the piston rod 5 and are bolted with the piston rod 5, the upper and lower sides of the mounting hoop 1001 are provided with the ear plate 1002, and the ear plates 1002 are bolted with each other, the outer side of the middle part of the mounting hoop 1001 is fixedly provided with the side plate 1003, and the rear side of the side plate 1003 is fixedly provided with the guide rod 1004, both sides of the rear end cover 2 are provided with the fixed plate 11, and the middle part of the fixed plate 11 is provided with the through slot corresponding to the guide rod 1004, the guide rod 1004 is symmetrically arranged about the center line of the cylinder barrel 1, and the guide rod 1004 penetrates the through slot of the fixed plate 11 and is slidably connected with the fixed plate 11; the mounting hoop 1001 is bolted with the piston rod 5 to facilitate disassembly of the mounting hoop 1001, and the two mounting hoops 1001 in a semicircular structure form a circular mounting on the outer side of the piston rod 5, avoiding the inconvenience of disassembly caused by directly using a circular ring, when the piston rod 5 moves forward and backward, the guide rod 1004 on the outer side of the mounting hoop 1001 can be slidably connected with the through slot of the fixed plate 11, thereby limiting the movement of the piston rod 5, so that the piston rod 5 moves stably forward and backward.

[0027] An industrial robot is provided with the above-mentioned cylinder assembly. When in use, the cylinder assembly is installed at the mechanical arm position of the industrial robot, and two forms of movement can be achieved through the extension or rotation of the cylinder assembly.

[0028] In summary, if Figures 1-4 As shown, the cylinder assembly and the industrial robot are installed at the position of the mechanical arm of the industrial robot when in use, and then the piston rod 5 can move and retract inside the cylinder 1. During this process, the guide rod 1004 on the outside of the mounting hoop 1001 can be slidably connected with the through groove of the fixing plate 11 to play a limiting role, thereby making the forward and backward movement of the piston rod 5 stable. The two mounting hoops 1001 with a semicircular structure form a circle installed on the outside of the piston rod 5 and bolted to the piston rod 5, thereby facilitating the removal of the mounting hoop 1001.

[0029] During the movement of the piston rod 5, the guide sleeve 601 and the dust ring 602 on the inner side of the extension tube 4 can play a role in sealing and dust prevention. The pressure ring 603 is arranged on both sides of the dust ring 602 with a "convex" cross-section structure to prevent the dust ring 602 from deforming. When in use, the driving motor 906 and the driving shaft 905 can also be used to drive the rotation of the active gear 904. The active gear 904 is meshed with the passive gear ring 903, which can drive the rotation of the passive gear ring 903 and the rotating shaft 902, so that the rotation function can be realized while the cylinder assembly is extending and retracting. The connecting ring 8 of the mounting shell 7 is fixed to the front outside of the piston rod 5 by bolts, so that the mounting shell 7 can protect the rotating assembly 9, thus completing the use process of the cylinder assembly and the industrial robot.

[0030] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A cylinder assembly comprising a cylinder barrel (1), a sealing and dustproof assembly (6) and an anti-deflection guide assembly (10), characterized in that: The rear and front ends of the cylinder (1) are respectively provided with a rear end cover (2) and a front end cover (3), and an extension tube (4) is integrally fixed to the front side of the cylinder (1). A piston rod (5) is provided inside the cylinder (1) and the extension tube (4), and a sealing dustproof component (6) is provided inside the extension tube (4). An anti-deflection guide component (10) is provided on the outside of the piston rod (5), and the anti-deflection guide component (10) includes a mounting hoop (1001), an ear plate (1002), a side plate (1003) and a guide rod (1004). The mounting hoop (1001) is a semicircular structure, and the mounting hoop (1001) is provided with a semicircular structure. Two hoops (1001) are provided. The two mounting hoops (1001) are provided on the outside of the piston rod (5) and are bolted to the piston rod (5). Ear plates (1002) are provided on the upper and lower sides of the mounting hoops (1001), and the ear plates (1002) are bolted to each other. A side plate (1003) is fixed to the outside of the middle of the mounting hoop (1001), and a guide rod (1004) is fixed to the rear side of the side plate (1003). Fixed plates (11) are installed on both sides of the rear end cover (2), and a through groove corresponding to the guide rod (1004) is provided in the middle of the fixing plate (11).

2. A cylinder assembly according to claim 1, characterized in that: The sealing dustproof assembly (6) comprises a guide sleeve (601) and a dustproof ring (602). The inner side of the extension tube (4) is provided with the guide sleeve (601) and the dustproof ring (602) in sequence from the inside to the outside, and the inner diameters of the guide sleeve (601) and the dustproof ring (602) match the size of the piston rod (5).

3. A cylinder assembly according to claim 2, characterized in that: The sealing dustproof assembly (6) further comprises a pressing ring (603). The cross section of the dustproof ring (602) is in a "convex" shape. Pressing rings (603) are provided on both sides of the dustproof ring (602), and the pressing rings (603) are fixedly connected to the inner wall of the extension tube (4).

4. The cylinder assembly according to claim 1, characterized in that: A mounting shell (7) is installed on the front outer side of the piston rod (5), and a connecting ring (8) is fixed on one side of the mounting shell (7), and the connecting ring (8) and the piston rod (5) are fixed by bolts.

5. The cylinder assembly according to claim 4, characterized in that: A rotating assembly (9) is installed inside the mounting shell (7), and the rotating assembly (9) includes a bearing (901) and a rotating shaft (902). The front end of the piston rod (5) is rotatably connected to the rotating shaft (902) via the bearing (901), and the rotating shaft (902) passes through the side wall of the mounting shell (7) and is rotatably connected to the mounting shell (7).

6. The cylinder assembly according to claim 5, characterized in that: The rotating assembly (9) further comprises a passive gear ring (903) and a driving gear (904). The passive gear ring (903) is fixed to the outside of the rotating shaft (902), and the driving gear (904) is meshed with one side of the passive gear ring (903).

7. The cylinder assembly according to claim 6, characterized in that: The rotating assembly (9) further comprises a driving shaft (905) and a driving motor (906); one side of the driving gear (904) is connected to the driving shaft (905); one side of the driving shaft (905) is mounted with the driving motor (906); and the driving motor (906) is fixed to one side of the inner wall of the mounting shell (7).

8. The cylinder assembly according to claim 1, characterized in that: Two guide rods (1004) are symmetrically arranged about the center line of the cylinder (1), and the guide rods (1004) pass through the through slot of the fixing plate (11) and are slidably connected to the fixing plate (11).

9. An industrial robot, characterized in that: The industrial robot is equipped with the cylinder assembly according to any one of claims 1 to 8.

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