An industrial robot end flange with adjustable fixed aperture

Abstract

The present invention discloses an industrial robot end flange with adjustable fixed aperture, comprising a gear, a rack flange I, a flange connecting plate I, a countersunk screw I, a countersunk screw II, a flange connecting plate II, a rack flange II, a gear adjustment shaft, and a flange connecting plate III; the gear 1 is meshed and assembled with the rack flange I and the rack flange II to adjust the spacing between the rack flange I and the rack flange II. The industrial robot end flange of the present invention can be fixed to the end of the industrial robot using bolts of different types, so that the same industrial robot end flange can be installed on different industrial robots, which greatly saves manufacturing costs, solves the problem that the end flange is not universal, and has high practicality and versatility. In addition, the present invention adopts a modular structural design, which can facilitate the processing and loading and unloading of parts; the size of the flange fixed aperture can be arbitrarily adjusted by combining the meshing of gears and racks with screw fixation, while maintaining stability.

Description

Technical Field

[0001] The invention relates to an industrial robot end flange with an adjustable fixed aperture, belonging to the relevant field of industrial robot technology. Background Art

[0002] With the advancement and development of science and technology, the industrial robot manufacturing industry has flourished. Industrial robots are widely used in welding, palletizing, assembly, transportation, special processing and other fields due to their high flexibility, large workspace, strong human-machine interaction and collaboration capabilities.

[0003] Industrial robots are used in welding, palletizing, assembly, transportation, special processing and other fields and need to be connected to different end effectors, and the end flange is an important part of connecting the robot and the end effector. At present, the diameter of the end flange holes of industrial robots on the market is not uniform, and the connection diameter of the end flange is fixed, resulting in a situation where the end flange can only be connected to one type of robot, making the versatility extremely poor. If the industrial robot is replaced, the corresponding end flange also needs to be replaced, which adds unnecessary costs. Summary of the invention

[0004] The invention provides an industrial robot end flange with an adjustable fixed aperture, so as to solve the problems that the connection aperture of the end flanges currently on the market is fixed, one end flange can only be connected to one robot and has poor versatility.

[0005] The technical solution of the present invention is: an industrial robot end flange with adjustable fixed aperture, comprising a gear 1, a rack flange Ⅰ2, a flange connecting plate Ⅰ3, a countersunk screw Ⅰ4, a countersunk screw Ⅱ5, a flange connecting plate Ⅱ6, a rack flange Ⅱ7, a gear adjustment shaft 12, and a flange connecting plate Ⅲ17; wherein the gear adjustment shaft 12 sequentially passes through the gear 1, one end of the flange connecting plate Ⅰ3 and the flange connecting plate Ⅱ6, and the flange connecting plate Ⅲ17; the gear 1 is meshed and assembled with the rack flange Ⅰ2 and the rack flange Ⅱ7 to realize To adjust the distance between rack flange Ⅰ2 and rack flange Ⅱ7, one end of flange connecting plate Ⅰ3 that cooperates with flange connecting plate Ⅱ6 is fixedly connected to flange connecting plate Ⅲ17; a through hole b9 is provided at the other end of flange connecting plate Ⅰ3, and a through hole a8 is provided at the other end of flange connecting plate Ⅱ6. Countersunk screw Ⅰ4 passes through the through hole b9 and is fixedly connected to rack flange Ⅰ2 and can slide along the through hole b9. Countersunk screw Ⅱ5 passes through the through hole a8 and is fixedly connected to rack flange Ⅱ7 and can slide along the through hole a8.

[0006] Optionally, the gear 1 is an involute gear, and the racks on the rack flange I2 and the rack flange II7 are involute racks.

[0007] Optionally, the rack flange I2 and the rack flange II7 have the same structure, and are arranged symmetrically with respect to the center of the gear 1; both include a fan-shaped body and a rack arranged on one side of the fan-shaped body; the rack on the rack flange I2 is arranged in parallel with the rack of the rack flange II7.

[0008] Optionally, extension plates are provided at both ends of the fan-shaped body, a half groove a10 is provided on the extension plate at one end, and a half groove b11 is provided on the extension plate at the other end; the spacing between the half groove a10 on the rack flange I2 and the half groove b11 on the rack flange II7, and the spacing between the half groove b11 on the rack flange I2 and the half groove a10 on the rack flange II7 are adjusted through the meshing transmission between the gear 1 and the rack flange I2 and the rack flange II7.

[0009] Optionally, the thickness of the middle part of the fan-shaped body is smaller than the thickness of the two ends so that the middle part and the two ends of the fan-shaped body have a stepped structure; the middle part of one side of the two fan-shaped bodies is used to install the gear 1; the middle part of the other side of one fan-shaped body is used to install the flange connecting plate Ⅰ3, and the middle part of the other side of the other fan-shaped body is used to install the flange connecting plate Ⅱ6; the stepped surface located on one side of the half groove b11 is provided with a rack meshing with the gear 1 and the rack extends from the stepped surface.

[0010] The beneficial effects of the present invention are as follows: the industrial robot end flange with adjustable fixed aperture provided by the present invention can be fixed to the end of the industrial robot using bolts of different types, so that the same industrial robot end flange can be installed on different industrial robots, which greatly saves manufacturing costs, solves the problem that the end flange is not universal, and has high practicality and versatility. In addition, the present invention adopts a modular structural design, which can facilitate the processing and loading and unloading of parts; the size of the flange fixed aperture can be arbitrarily adjusted by combining gear rack meshing with screw fixing, while maintaining stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The assembly diagram of the present invention is shown in FIG. Figure 1 ;

[0012] Figure 2 The assembly diagram of the present invention is shown in FIG. Figure 2 ;

[0013] Figure 3 Schematic diagram of the rack flange structure of the present invention Figure 1 ;

[0014] Figure 4 Schematic diagram of the rack flange structure of the present invention Figure 2 ;

[0015] Figure 5It is a schematic diagram of the assembly of flange connecting plate I, flange connecting plate II and flange connecting plate III in the present invention;

[0016] Figure 6 This is an assembly diagram of the gear and gear adjustment shaft of the present invention;

[0017] Figure 7 This is a schematic diagram of the gear adjustment shaft structure of the present invention;

[0018] The numbers in the figure are: 1-gear, 2-rack flange Ⅰ, 3-flange connecting plate Ⅰ, 4-countsunk screw Ⅰ, 5-countsunk screw Ⅱ, 6-flange connecting plate Ⅱ, 7-rack flange Ⅱ, 8-through hole a, 9-through hole b, 10-half slot a, 11-half slot b, 12-gear adjusting shaft, 13-countsunk screw Ⅲ, 14-countsunk screw Ⅳ, 15-countsunk screw Ⅴ, 16-countsunk screw Ⅵ, 17-flange connecting plate Ⅲ. DETAILED DESCRIPTION

[0019] The invention is further described below in conjunction with the accompanying drawings and embodiments, but the content of the invention is not limited to the scope of the embodiments.

[0020] like Figure 1-Figure 7 As shown, an industrial robot end flange with adjustable fixed aperture includes a gear 1, a rack flange Ⅰ2, a flange connecting plate Ⅰ3, a countersunk screw Ⅰ4, a countersunk screw Ⅱ5, a flange connecting plate Ⅱ6, a rack flange Ⅱ7, a gear adjustment shaft 12, and a flange connecting plate Ⅲ17; wherein the gear adjustment shaft 12 sequentially passes through the gear 1, one end of the flange connecting plate Ⅰ3 and the flange connecting plate Ⅱ6, and the flange connecting plate Ⅲ17; the gear 1 is meshed and assembled with the rack flange Ⅰ2 and the rack flange Ⅱ7 to realize the rack method To adjust the spacing between flange Ⅰ2 and rack flange Ⅱ7, one end of flange connecting plate Ⅰ3 that cooperates with flange connecting plate Ⅱ6 is fixedly connected to flange connecting plate Ⅲ17; a through hole b9 is provided at the other end of flange connecting plate Ⅰ3, and a through hole a8 is provided at the other end of flange connecting plate Ⅱ6. Countersunk screw Ⅰ4 passes through the through hole b9 and is fixedly connected to rack flange Ⅰ2 and can slide along the through hole b9. Countersunk screw Ⅱ5 passes through the through hole a8 and is fixedly connected to rack flange Ⅱ7 and can slide along the through hole a8.

[0021] Optionally, the gear 1 is an involute gear, and the racks on the rack flange I2 and the rack flange II7 are involute racks.

[0022] It should be noted that the pitch circle diameter d of the gear 1 can be selected as 30 mm, and an involute gear with a module 1 and a number of teeth 30 can be selected, or the required module m and number of teeth z can be selected according to d=mz.

[0023] Optionally, the rack flange I2 and the rack flange II7 have the same structure, and are arranged symmetrically with respect to the center of the gear 1; both include a fan-shaped body and a rack arranged on one side of the fan-shaped body; the rack on the rack flange I2 is arranged in parallel with the rack on the rack flange II7.

[0024] Optionally, extension plates are provided at both ends of the fan-shaped body, a half groove a10 is provided on the extension plate at one end, and a half groove b11 is provided on the extension plate at the other end; the spacing between the half groove a10 on the rack flange I2 and the half groove b11 on the rack flange II7, and the spacing between the half groove b11 on the rack flange I2 and the half groove a10 on the rack flange II7 are adjusted through the meshing transmission between the gear 1 and the rack flange I2 and the rack flange II7.

[0025] Optionally, the thickness of the middle part of both sides of the fan ring body is smaller than the thickness of the two ends of the corresponding side so that the middle part and the two ends of the fan ring body are in a stepped structure; the middle part of one side of the two fan ring bodies is used to install the gear 1, and the outer end face of the gear 1 and the outer end face of the gear adjustment shaft 12 can be designed to be flush with the end faces of both ends of one side of the fan ring body, such as Figure 2 The effect is shown in the figure; the middle of the other side of the fan ring body of the rack flange Ⅰ2 is used to install the flange connecting plate Ⅰ3, and the middle of the other side of the fan ring body of the rack flange Ⅱ7 is used to install the flange connecting plate Ⅱ6, and the outermost end faces of the flange connecting plate Ⅰ3, flange connecting plate Ⅱ6, and flange connecting plate Ⅲ17 can be designed to be flush with the end faces of both ends of the other side of the fan ring body, as shown in the figure. Figure 1 The effect shown is that a rack meshing with the gear 1 is arranged on the stepped surface located on one side of the half groove b11, and the rack extends from the stepped surface. That is, the rack on the rack flange Ⅰ2 extends to the middle of the rack flange Ⅱ7, and the opposite side of the rack tooth surface in the rack flange Ⅰ2 fits with the stepped surface of the rack flange Ⅱ7 near the half groove a10; similarly, the rack on the rack flange Ⅱ7 extends to the middle of the rack flange Ⅰ2, and the opposite side of the rack tooth surface in the rack flange Ⅱ7 fits with the stepped surface of the rack flange Ⅱ7 near the half groove a10.

[0026] Specifically, in an embodiment of the present invention, the gear adjustment shaft 12 passes through the gear 1, one end of the flange connecting plate Ⅰ3 and the flange connecting plate Ⅱ6, and the flange connecting plate Ⅲ17 in sequence. The gear adjustment shaft 12 and the gear 1 are matched through a keyway, and one end of the flange connecting plate Ⅰ3 and the flange connecting plate Ⅱ6 is positioned by the shoulder of the gear adjustment shaft 12. The end of the flange connecting plate Ⅰ3 and the flange connecting plate Ⅱ6 is fixedly connected to the four corners of the flange connecting plate Ⅲ17 by countersunk screws Ⅲ13, countersunk screws Ⅳ14, countersunk screws Ⅴ15, and countersunk screws Ⅵ16, thereby improving stability; the flange connecting plate Ⅰ3 and the rack Flange Ⅰ2 is fixed by countersunk screw Ⅰ4, flange connecting plate Ⅱ6 and rack flange Ⅱ7 are fixed by countersunk screw Ⅱ5, and the four corners of flange connecting plate Ⅰ3, flange connecting plate Ⅱ6 and flange connecting plate Ⅲ17 are fixedly connected, so that rack flange Ⅰ2 and rack flange Ⅱ7 are connected together to form an adjustable mounting aperture flange body, and the center of rack flange Ⅰ2 and rack flange Ⅱ7 as a whole is located on the central axis of gear 1, and the meshing transmission between gear 1 and rack flange Ⅰ2 and rack flange Ⅱ7 can realize the distance adjustment between rack flange Ⅰ2 and rack flange Ⅱ7, thereby realizing the adjustment of the adjustable flange fixed aperture. When in use, the operation can be assisted by an inner hexagonal wrench, and the inner hexagonal wrench is used to apply force to the hexagonal groove at the end of the gear adjustment shaft, thereby driving the gear adjustment shaft 12 to rotate, and the rotation of the gear adjustment shaft 12 drives the rack flange I and rack flange II to move horizontally, and the rack flange I2 and rack flange II7 can move horizontally to adjust the slot width of the half slot a10 and the half slot b11, so that the end effector can be fixed on different industrial robots using bolts of different sizes. Further, the adjustment range of the spacing can be set to 0~13mm, and optionally, the countersunk screw I and countersunk screw II use M6 countersunk screws, and the countersunk screw III13, countersunk screw IV14, countersunk screw V15, and countersunk screw VI16 use M2 countersunk screws.

[0027] The specific implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. An industrial robot end flange with adjustable aperture, characterized in that: The invention comprises a gear (1), a rack flange I (2), a flange connecting plate I (3), a countersunk screw I (4), a countersunk screw II (5), a flange connecting plate II (6), a rack flange II (7), a gear adjusting shaft (12), and a flange connecting plate III (17); wherein the gear adjusting shaft (12) passes through the gear (1), one end of the flange connecting plate I (3) and the flange connecting plate II (6), and the flange connecting plate III (17) in sequence; the gear (1) is meshed with the rack flange I (2) and the rack flange II (7) to realize the rack flange I (2) and the rack flange II (7). To adjust the spacing between the two, one end of the flange connecting plate I (3) and the flange connecting plate II (6) is fixedly connected to the flange connecting plate III (17); the other end of the flange connecting plate I (3) is provided with a through hole b (9), the other end of the flange connecting plate II (6) is provided with a through hole a (8), the countersunk screw I (4) passes through the through hole b (9) and is fixedly connected to the rack flange I (2), and the countersunk screw I (4) can slide along the through hole b (9), the countersunk screw II (5) passes through the through hole a (8) and is fixedly connected to the rack flange II (7), and the countersunk screw II (5) can slide along the through hole a (8); The gear (1) is an involute gear, and the racks on the rack flange I (2) and the rack flange II (7) are involute racks; The rack flange I (2) and the rack flange II (7) have the same structure. The rack flange I (2) and the rack flange II (7) are arranged symmetrically with respect to the center of the gear (1). Both of them include a fan-shaped body and a rack arranged on one side of the fan-shaped body. The rack on the rack flange I (2) is arranged in parallel with the rack on the rack flange II (7). Extension plates are provided at both ends of the fan ring body, a half groove a (10) is provided on the extension plate at one end, and a half groove b (11) is provided on the extension plate at the other end; the spacing between the half groove a (10) on the rack flange I (2) and the half groove b (11) on the rack flange II (7), and the spacing between the half groove b (11) on the rack flange I (2) and the half groove a (10) on the rack flange II (7) are adjusted by meshing transmission between the gear (1) and the rack flange I (2) and the rack flange II (7).

2. The industrial robot end flange with adjustable aperture according to claim 1, characterized in that: The thickness of the middle portion of the fan-shaped body is smaller than the thickness of the two ends, so that the middle portion and the two ends of the fan-shaped body are in a stepped structure; the middle portion of one side of the two fan-shaped bodies is used to mount the gear (1); the middle portion of the other side of one fan-shaped body is used to mount the flange connecting plate I (3), and the middle portion of the other side of the other fan-shaped body is used to mount the flange connecting plate II (6); a rack meshing with the gear (1) is provided on the stepped surface located on one side of the half groove b (11), and the rack extends from the stepped surface.

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