Keyway milling supporting tool

Abstract

The utility model discloses a keyway milling supporting tool which comprises a support, a mounting plate, a supporting block, a supporting shaft and a carrying roller, and the mounting plate is adjustably arranged above the support in the vertical direction; the two supporting blocks are arranged at an interval and are arranged on the mounting plate; the supporting shaft is rotationally connected between the two supporting blocks; the carrying roller is connected to the supporting shaft in a sliding mode, the carrying roller and the supporting shaft are coaxially arranged, and the carrying roller is used for bearing a workpiece needing key groove milling. The whole key groove milling supporting tool is supported by the support, the position of the mounting plate can be adjusted in the vertical direction, due to the fact that the carrying roller is arranged on the supporting shaft, the supporting shaft is arranged on the supporting block, the supporting block is arranged on the mounting plate, the carrying roller can be adjusted along with adjustment of the position of the mounting plate, and the carrying roller can be vertically adjusted to adapt to workpieces of different sizes needing key groove milling.

Description

Technical Field

[0001] This utility model relates to the field of support fixtures, and in particular to a support fixture for milling keyways. Background Technology

[0002] Milling keyways is an important process step in mechanical design, ensuring precise fit between components in a transmission system, reliable torque transmission, and safe and stable machine operation. Therefore, keyway milling is widely used in many industries, including machinery, automotive, and aerospace.

[0003] When milling keyways on a workpiece, a support fixture is needed to support the workpiece and ensure its stability during the machining process. In the past, the keyway support fixtures only provided support for the workpiece. When machining workpieces of different sizes, it was often necessary to set up and change various types of fixtures to provide corresponding support. This not only increased the workload and reduced production efficiency, but also wasted materials and was not conducive to environmental protection. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a milling keyway support fixture capable of supporting workpieces of different sizes.

[0005] A keyway milling support fixture according to an embodiment of the present invention includes: a bracket, a mounting plate, support blocks, a support shaft, and a support roller. The mounting plate is adjustablely disposed above the bracket in a vertical direction. Two support blocks are spaced apart and disposed on the mounting plate. The support shaft is rotatably connected between the two support blocks. The support roller is slidably connected to the support shaft and is coaxially disposed with the support shaft. The support roller is used to support the workpiece that needs to have its keyway milled.

[0006] A keyway milling support fixture according to an embodiment of the present invention has at least the following beneficial effects: the bracket supports the entire keyway milling support fixture; the mounting plate can be adjusted vertically; since the support roller is disposed on the support shaft, the support shaft is disposed on the support block, and the support block is disposed on the mounting plate, the support roller will adjust with the position adjustment of the mounting plate; the support roller is vertically adjustable to accommodate workpieces of different sizes requiring keyway milling; the support roller is used to support the workpiece requiring keyway milling; the support roller is movable along the length extension direction of the support shaft, facilitating adjustment of the milling position of the workpiece requiring keyway milling; and the mounting plate is adjustable vertically disposed on the support plate.

[0007] According to some embodiments of the present invention, the support includes a support plate and a frame. The frame is composed of several channel steels welded together. The support plate is welded onto the frame. The frame made of channel steel is not only strong and has a high load-bearing capacity, but also lighter and saves materials and costs compared to square steel.

[0008] According to some embodiments of this utility model, the bottom of the mounting plate is provided with two first studs, and a nut is threaded onto the first stud. The support plate is provided with a first through hole, and the first through hole corresponds to the first stud. The first stud is configured to be inserted into the corresponding first through hole, and the nut is configured to abut against the support plate. The two first studs are fixedly disposed at the bottom of the mounting plate, and the first stud passes through the first through hole. The position of the mounting plate in the vertical direction can be adjusted by utilizing the threaded engagement characteristic of the nut and the first stud.

[0009] According to some embodiments of this utility model, a second stud is provided at the center of the support plate, a flange is fitted on the second stud, and the flange is threadedly connected to the second stud. A second through hole is provided at the center of the support plate, the second stud is configured to be inserted into the second through hole, the flange is configured to be connected to the support plate, and the upper end of the second stud abuts against the bottom of the mounting plate. The height of the second stud abutting against the mounting plate can be adjusted by adjusting the position of the flange on the second stud.

[0010] According to some embodiments of this utility model, the flange is threadedly connected to the support plate, and the support plate is provided with four third through holes. The outer hole and the third through holes have the same size, and the outer hole and the third through holes cooperate to fix the position of the second stud.

[0011] According to some embodiments of the present invention, a bearing seat is provided on the support block, a bearing is provided inside the bearing seat, the support shaft is connected to the bearing, two bearings and two bearing seats are provided, the two bearings are coaxially arranged, the bearing cooperates with the support shaft, and the bearing is used to support the support shaft.

[0012] According to some embodiments of this utility model, a key is provided on the support shaft and a keyway is provided on the support roller. The key and the keyway cooperate with each other, and the support roller and the support shaft rotate together to ensure that the support roller and the support shaft rotate at the same angular velocity, thereby improving the stability of the support roller.

[0013] According to some embodiments of the present invention, a limiting structure is provided on the support roller. The limiting structure is used to restrict the workpiece that needs to be milled with a keyway, prevent the workpiece that needs to be milled with a keyway from moving out of the support roller along the length extension direction of the support roller, ensure that the workpiece that needs to be milled with a keyway is always within the limiting structure, and prevent the safety hazard caused by the workpiece that needs to be milled with a keyway falling.

[0014] According to some embodiments of this utility model, the bearing housing is mounted on the support block by a first fastener, and the support block is mounted on the mounting plate by a second fastener. The fastener connection is not only safe and reliable, but also convenient for later replacement.

[0015] According to some embodiments of this utility model, the support roller is made of wear-resistant material. Since the support roller needs to rub against the workpiece for a long time, using wear-resistant material can effectively increase the service life of the support roller.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0019] Figure 2 for Figure 1 The diagram shown is a structural schematic of an embodiment of the present invention;

[0020] Figure 3 for Figure 1 The front view shown;

[0021] Figure 4 for Figure 1 The left view shown.

[0022] Reference numerals: bracket 100, support plate 110, frame 120, first through hole 130, second stud 140, flange 141, second through hole 150, outer hole 141a, third through hole 160;

[0023] Mounting plate 200, first stud 210, nut 211;

[0024] Support block 300;

[0025] Support shaft 400, key 410;

[0026] Support roller 500, keyway 510, limiting structure 520;

[0027] Bearing housing 600, bearing 610. Detailed Implementation

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] Reference Figures 1 to 4 This utility model discloses a support fixture for milling keyways 510, comprising: a bracket 100, a mounting plate 200, support blocks 300, a support shaft 400, and a support roller 500. The mounting plate 200 is adjustablely disposed above the bracket 100 in the vertical direction; two support blocks 300 are spaced apart and disposed on the mounting plate 200; the support shaft 400 is rotatably connected between the two support blocks 300; the support roller 500 is slidably connected to the support shaft 400 and is coaxially disposed with the support shaft 400, and the support roller 500 is used to support the workpiece that needs to have keyways 510 milled.

[0032] Reference Figure 2 Two first studs 210 are provided, and one second stud 140 is provided. The second stud 140 is located on the central axis of the support plate 110.

[0033] The bracket 100 supports the entire keyway 510 support fixture. The mounting plate 200 can be adjusted vertically. Since the support roller 500 is mounted on the support shaft 400, which is mounted on the support block 300, and the support block 300 is mounted on the mounting plate 200, the support roller 500 will adjust with the position of the mounting plate 200. The support roller 500 is vertically adjustable to accommodate workpieces of different sizes requiring keyway 510 milling. The support roller 500 is used to support the workpiece requiring keyway 510 milling. The support roller 500 is movable along the length of the support shaft 400, facilitating the adjustment of the milling position of the workpiece requiring keyway 510 milling. The mounting plate 200 is adjustable vertically mounted on the support plate 110.

[0034] In some embodiments, the support 100 includes a support plate 110 and a frame 120. The frame 120 is composed of several channel steels welded together. The support plate 110 is welded to the frame 120. The frame 120 made of channel steels is not only strong and has a high load-bearing capacity, but also lighter and saves materials and costs compared to square steels. It is understood that the support plate 110 can also be connected to the frame 120 by fasteners. The channel steels that make up the frame 120 can also be replaced by other components such as square steels, square tubes, or rectangular tubes.

[0035] In some embodiments, two first studs 210 are provided at the bottom of the third through hole 160, and nuts 211 are threaded onto the first studs 210. A first through hole 130 is provided on the support plate 110, and the first through hole 130 and the first stud 210 are provided in a one-to-one correspondence. The first stud 210 is configured to be inserted into the corresponding first through hole 130, and the nut 211 is configured to abut against the support plate 110. The two first studs 210 are fixedly provided at the bottom of the third through hole 160, and the first studs 210 pass through the first through hole 130. The position of the third through hole 160 in the vertical direction can be adjusted by utilizing the threaded engagement characteristics of the nut 211 and the first stud 210. It can be understood that in this embodiment, the height adjustment of the third through hole 160 is achieved by utilizing the threaded engagement between the nut 211 and the first stud 210. Alternatively, the first screw can be set as a cylinder, and the cylinder can be controlled by a solenoid valve to control the height of the third through hole 160.

[0036] It is understood that a second stud 140 is provided at the center of the support plate 110, and a flange 141 is threadedly connected to the second stud 140. A second through hole 150 is provided at the center of the support plate 110. The second stud 140 is configured to be inserted into the second through hole 150, and the flange 141 is configured to connect to the support plate 110. The upper end of the second stud 140 abuts against the bottom of the third through hole 160. The height of the second stud 140 abutting against the third through hole 160 can be adjusted by adjusting the position of the flange 141 on the second stud 140. It is understood that the second stud 140 is fixed in position by the flange 141. In this embodiment, since the second stud 140 is the main load-bearing stud, it needs to be fixed with the flange 141 to increase the stability of the height of the third through hole 160. The flange 141 is provided with several external holes 141a.

[0037] It should be noted that the flange 141 is threadedly connected to the support plate 110. The flange 141 is provided with a second through hole 150, and the support plate 110 is provided with a third through hole 160. The second through hole 150 and the third through hole 160 are the same size. The second through hole 150 and the third through hole 160 cooperate to fix the position of the second stud 140. In this embodiment, adjusting the height of the support roller 500 is to adjust the height of the third through hole 160. It is necessary to loosen the fasteners connecting the second through hole 150 and the third through hole 160, adjust the second stud 140 to a suitable height, and tighten the fasteners connecting the second through hole 150 and the third through hole 160.

[0038] It should be understood that a bearing seat 600 is provided on the support block 300, and a bearing 610 is provided inside the bearing seat 600. The support shaft 400 is connected to the bearing 610. There are two bearings 610 and two bearing seats 600. The two bearings 610 are coaxially arranged and cooperate with the support shaft 400. The bearing 610 is used to support the support shaft 400. It can be understood that in this embodiment, the use of bearing 610 can greatly reduce the friction between the support shaft 400 and the support block 300 and greatly extend the service life of the support shaft 400.

[0039] It is conceivable that a key 410 is provided on the support shaft 400 and a keyway 510 is provided on the support roller 500. The key 410 and the keyway 510 cooperate, and the support roller 500 and the support shaft 400 rotate together, ensuring that the support roller 500 and the support shaft 400 rotate at the same angular velocity, thereby improving the stability of the support roller 500. It is understandable that the setting of the key 410 and the keyway 510 ensures that there is no relative rotation between the support roller 500 and the support shaft 400. The key 410 can also be set on the support roller 500, and the keyway 510 is set on the support shaft 400 for cooperation.

[0040] In some embodiments, a limiting structure 520 is provided on the support roller 500. The limiting structure 520 is used to restrict the workpiece that needs to be milled for keyway 510 from moving out of the support roller 500 along the length extension direction of the support roller 500, so as to ensure that the workpiece that needs to be milled for keyway 510 is always within the limiting structure 520, and to prevent the safety hazards caused by the workpiece that needs to be milled for keyway 510 falling. It is understood that the distance between the limiting structures 520 can be changed according to the size of the workpiece that needs to be milled for keyway 510.

[0041] In some embodiments, the bearing housing 600 is mounted on the support block 300 by a first fastener, and the support block 300 is mounted on the third through hole 160 by a second fastener. The fastener connection is not only safe and reliable, but also convenient for later replacement. It is understood that the bearing housing 600 can also be welded to the support block 300, and the support block 300 can be welded to the third through hole 160.

[0042] In some embodiments, the support roller 500 is made of wear-resistant material. Since the support roller 500 needs to rub against the workpiece for a long time, using wear-resistant material can effectively increase the service life of the support roller 500. It is understood that the support roller is generally made of alloy steel. If necessary, chrome plating can be applied to the surface of the support roller to enhance its wear resistance. The support roller can also be made of wear-resistant ceramic.

[0043] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A keyway milling support tool characterized by, Include: Support (100); Mounting plate (200), adjustable in vertical direction is arranged above the support (100); Support block (300), two are arranged at intervals, the support block (300) is arranged on the mounting plate (200); Support shaft (400), rotationally connected between two support blocks (300); Support roller (500), slidingly connected on the support shaft (400), the support roller (500) is coaxially arranged with the support shaft (400), and the support roller (500) is used for supporting the workpiece needing to mill keyway.

2. The support tool for milling keyseats according to claim 1, wherein: The support (100) comprises a support plate (110) and a frame body (120), the frame body (120) is composed of several channel steels welded, the support plate (110) is welded on the frame body (120), and the mounting plate (200) is arranged on the support plate (110) in vertical direction.

3. The support tool for milling keyseats according to claim 2, wherein: The mounting plate (200) is provided with a plurality of first studs (210) at the bottom, the first stud (210) is threadedly connected with a nut (211), the support plate (110) is provided with a first through hole (130), the first through hole (130) is arranged in one-to-one correspondence with the first stud (210), the first stud (210) is configured to be inserted into the corresponding first through hole (130), and the nut (211) is configured to abut against the support plate (110).

4. The support tool for milling keyseats according to claim 3, wherein: The support plate (110) is provided with a second stud (140) at the center, the second stud (140) is threadedly connected with a flange plate (141), the support plate (110) is provided with a second through hole (150) at the center, the second stud (140) is configured to be inserted into the second through hole (150), and the flange plate (141) is configured to be connected with the support plate (110).

5. The support tool for milling keyseats according to claim 4, wherein: The flange plate (141) is threadedly connected with the support plate (110).

6. The support tool for milling keyseats according to claim 1, wherein: The support block (300) is provided with a bearing seat (600), the bearing seat (600) is provided with a bearing (610) in it, two bearings (610) are coaxially arranged, and the support shaft (400) is connected in the bearing (610).

7. The support tool for milling keyseats according to claim 1, wherein: The support shaft (400) is provided with a key (410), the support roller (500) is provided with a keyway (510), the key (410) is connected with the keyway (510) in a matched mode, so that the support roller (500) and the support shaft (400) rotate synchronously.

8. The support tool for milling keyseats according to claim 1, wherein: The support roller (500) is provided with a limiting structure (520), and the limiting structure (520) is used for limiting the workpiece needing to mill keyway.

9. The support tool for milling keyseats according to claim 6, wherein: The bearing seat (600) is arranged on the support block (300) through a first fastener, and the support block (300) is arranged on the mounting plate (200) through a second fastener.

10. The support tool for milling keyseats according to claim 6, wherein: The support roller (500) is made of wear-resistant material.

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