Operating mechanism disc spring bottom flange hole polishing tool

Abstract

A grinding tool for a flange hole in the bottom of a disc spring of an operating mechanism comprises a bench drill body and further comprises a grinding base, the grinding base is provided with an input shaft and a plurality of output shafts arranged in an annular mode, the input shaft is in transmission connection with a rotating shaft of a motor on the bench drill body, each output shaft is provided with a first chuck, and the first chucks are used for clamping and fixing grinding heads. The grinding base is installed on the bench drill body, the grinding base is provided with the input shaft and the output shafts arranged in the annular shape, the positions of the output shafts correspond to the holes in the bottom flange of the disc spring, the grinding heads are installed on the output shafts, the holes in the bottom flange of the disc spring are ground through the grinding base at the same time, and the grinding precision and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of operating mechanism maintenance tooling, in particular to a tooling for grinding flange holes at the bottom of a disc spring of an operating mechanism. Background Art

[0002] When inspecting the operating mechanism, it is necessary to polish the holes on the bottom flange 50 of the disc spring through which the six energy storage piston rods pass, remove oil and dust, and polish them smooth so that the six energy storage piston rods can easily pass through the six holes on the bottom flange 50 of the disc spring to prevent jamming.

[0003] At present, the six holes are polished manually, for example, with a round file or a handheld pneumatic grinder. However, when polishing manually, each hole is polished separately, and the polishing force is inconsistent during the polishing. If this continues for a long time, the six holes will be deformed by grinding, and the positions of the deformation are completely inconsistent, resulting in poor grinding accuracy and low grinding efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is: to solve the problems existing in the above-mentioned background technology, and to provide a tool for grinding the flange holes at the bottom of the disc spring of an operating mechanism, wherein a grinding seat is installed on the bench drill body, the grinding seat has an input shaft and multiple output shafts arranged in a ring shape, the positions of the output shafts correspond to the holes on the bottom flange of the disc spring, and a grinding head is installed on the output shaft, so that the holes on the bottom flange of the disc spring can be ground at the same time through the grinding seat, thereby improving the grinding accuracy and efficiency.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a grinding tool for the flange hole at the bottom of the disc spring of an operating mechanism, including a bench drill body and a grinding seat, the grinding seat having an input shaft and a plurality of output shafts arranged in a ring shape, the input shaft is transmission-connected to the rotating shaft of the motor on the bench drill body, and each of the output shafts is respectively installed with a first chuck, which is used to clamp and fix the grinding head.

[0006] A second chuck is installed on the rotating shaft of the motor, and the second chuck clamps and fixes the input shaft.

[0007] A limiting ring is installed on the base of the bench drill body, and a step is arranged inside the limiting ring.

[0008] A plurality of guide rods are longitudinally mounted on the base of the bench drill body, and a plurality of guide holes are arranged on the grinding seat at positions corresponding to the guide rods, and the guide rods slide through the guide holes.

[0009] A spring is installed on the guide rod between the base and the grinding seat.

[0010] The grinding seat includes a first trough body and a cover plate installed on the first trough body, and the cover plate is installed on the first trough body by bolts; a central gear is rotatably installed in the cavity of the first trough body and the cover plate, and a plurality of passive gears are rotatably installed on the outside of the central gear, and the central gear is respectively meshed with the passive gears, and the central axis on the upper side of the central gear extends upward from the cover plate to form an input shaft, and the central axis on the lower side of each passive gear extends downward from the first trough body to form an output shaft.

[0011] The utility model has the following beneficial effects:

[0012] 1. The utility model has a grinding seat installed on the bench drill body, the grinding seat has an input shaft and multiple output shafts arranged in a ring, the positions of the output shafts correspond to the holes on the bottom flange of the disc spring, and a grinding head is installed on the output shaft. The holes on the bottom flange of the disc spring are ground at the same time through the grinding seat, thereby improving the grinding accuracy and efficiency.

[0013] 2. A limit ring is installed on the base of the bench drill body of the utility model, and the limit ring is used to position the bottom flange of the disc spring. The inside of the limit ring also has a step, and the bottom flange of the disc spring is placed on this step, so that the hole is suspended, which is convenient for grinding the hole through the length and facilitating chip removal.

[0014] 3. The utility model limits the grinding seat by the guide rod, so that the grinding seat can only move up and down in a certain direction. A spring is installed on the guide rod between the base and the grinding seat, and the spring supports the grinding seat to improve the stability of grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the main structure of the grinding seat of the utility model.

[0019] Figure 4 It is an exploded view of the grinding seat of the utility model.

[0020] Reference numerals:

[0021] Bench drill body 10, base 11, motor 12, limit ring 13, second chuck 14;

[0022] Grinding seat 20, first tank body 21, cover plate 22, central gear 23, input shaft 24, driven gear 25, output shaft 26, first chuck 27, bolt 28, guide hole 29;

[0023] Guide rod 30, spring 31;

[0024] Grinding head 40;

[0025] Disc spring bottom flange 50, hole 51. DETAILED DESCRIPTION

[0026] See also Figure 1-4 A tool for grinding the bottom flange hole of a disc spring of an operating mechanism includes a bench drill body 10 and a grinding seat 20. The grinding seat 20 has an input shaft 24 and a plurality of output shafts 26 arranged in an annular shape. The input shaft 24 is drivingly connected to the rotating shaft of the motor 12 on the bench drill body 10. A first chuck 27 is respectively installed on each of the output shafts 26. The first chuck 27 is used to clamp and fix a grinding head 40. The grinding seat 20 is installed on the bench drill body 10. The grinding seat 20 has an input shaft 24 and a plurality of output shafts 26 arranged in an annular shape. The positions of the output shafts 26 correspond to the holes 51 on the bottom flange 50 of the disc spring. The output shafts 26 are installed with grinding heads 40. The holes 51 on the bottom flange 50 of the disc spring are ground at the same time by the grinding seat 20, thereby improving the grinding accuracy and efficiency.

[0027] Preferably, the bench drill body 10 is of the prior art, using an AOBEN small bench drill.

[0028] In one of the solutions, the rotating shaft of the motor 12 on the bench drill body 10 can be connected to the input shaft 24 for transmission through a sleeve that is tightly fitted.

[0029] In a preferred solution, a second chuck 14 is mounted on the rotating shaft of the motor 12 , and the second chuck 14 clamps and fixes the input shaft 24 .

[0030] In this embodiment, six output shafts 26 are provided.

[0031] Among them, the first chuck 27 and the second chuck 14 are both existing technologies. The first chuck 27 is screwed and installed on the output shaft 26, and the second chuck 14 is screwed and installed on the rotating shaft of the motor 12. The bench drill body 10 is equipped with a chuck.

[0032] See also Figure 2 A limiting ring 13 is installed on the base 11 of the bench drill body 10, and the limiting ring 13 is used to position the bottom flange 50 of the disc spring.

[0033] Furthermore, the interior of the limiting ring 13 is provided with a step, and the bottom flange 50 of the disc spring is placed on the step, so that the hole 51 is suspended in the air, which is convenient for grinding the hole 51 through its entire length and for chip removal.

[0034] Furthermore, a plurality of guide rods 30 are longitudinally mounted on the base 11 of the bench drill body 10, and a plurality of guide holes 29 are arranged on the grinding seat 20 at positions corresponding to the guide rods 30, and the guide rods 30 slide through the guide holes 29. The grinding seat 20 is limited by the guide rods 30 so that the grinding seat 20 can only move up and down in a certain direction.

[0035] In this embodiment, four guide rods 30 are installed on the base 11 .

[0036] Furthermore, a spring 31 is installed on the guide rod 30 between the base 11 and the grinding seat 20. The spring 31 supports the grinding seat 20 to improve the stability of grinding. When grinding, the grinding seat 20 only needs to be pressed down by the handle of the bench drill body 10, and the grinding seat 20 rebounds and rises when the handle is released.

[0037] For details, see Figure 3 , 4 The grinding seat 20 includes a first slot body 21 and a cover plate 22 mounted on the first slot body 21, and the cover plate 22 is mounted on the first slot body 21 by bolts 28; a central gear 23 is rotatably mounted in the cavity of the first slot body 21 and the cover plate 22, and a plurality of passive gears 25 are rotatably mounted on the outer side of the central gear 23, and the central gear 23 is respectively meshed with the passive gears 25, and the central axis on the upper side of the central gear 23 extends upward from the cover plate 22 to form an input shaft 24, and the central axis on the lower side of each passive gear 25 extends downward from the first slot body 21 to form an output shaft 26. Through the above structure, one input shaft 24 drives six output shafts 26 to rotate.

[0038] It should be noted that the central axes of the central gear 23 and the driven gear 25 at the lower and upper ends are connected to the base 11 and the grinding seat 20 respectively through bearings.

[0039] The working principle or action process of the utility model is as follows:

[0040] When using, see Figure 2 First, place the disc spring bottom flange 50 on the step inside the limiting ring 13, rotate the position of the disc spring bottom flange 50 so that the hole 51 on the disc spring bottom flange 50 is roughly aligned with the grinding head 40, then press down the handle of the bench drill body 10, and the grinding seat 20 descends until the grinding head 40 contacts the hole 51. When in contact, manually adjust the position of the disc spring bottom flange 50 until the grinding head 40 enters the hole 51.

[0041] Afterwards, the motor 12 of the bench drill body 10 is turned on, and the handle of the bench drill body 10 is operated up and down, and the grinding seat 20 moves up and down, so as to grind the six holes 51.

[0042] In this embodiment, the grinding head 40 is a flap wheel grinding head with a handle. The first clamping head 27 clamps the rod of the flap wheel grinding head with a handle.

Claims

1. A tool for grinding flange holes at the bottom of a disc spring of an operating mechanism, comprising a bench drill body (10), characterized in that: The invention also comprises a grinding seat (20), wherein the grinding seat (20) comprises an input shaft (24) and a plurality of output shafts (26) arranged in a ring shape, wherein the input shaft (24) is drivingly connected to a rotating shaft of a motor (12) on a bench drill body (10), and each of the output shafts (26) is respectively mounted with a first chuck (27), and the first chuck (27) is used to clamp and fix the grinding head (40).

2. The tool for grinding the flange hole at the bottom of the disc spring of the operating mechanism according to claim 1, characterized in that: A second clamp (14) is mounted on the rotating shaft of the motor (12), and the second clamp (14) clamps and fixes the input shaft (24).

3. The tool for grinding the flange hole at the bottom of the disc spring of the operating mechanism according to claim 1, characterized in that: A limit ring (13) is installed on the base (11) of the bench drill body (10), and a step is arranged inside the limit ring (13).

4. A tool for grinding flange holes at the bottom of disc springs of an operating mechanism according to claim 1 or 3, characterized in that: A plurality of guide rods (30) are longitudinally mounted on the base (11) of the bench drill body (10), and a plurality of guide holes (29) are arranged on the grinding seat (20) at positions corresponding to the guide rods (30), and the guide rods (30) slide through the guide holes (29).

5. The tool for grinding the flange hole at the bottom of the disc spring of the operating mechanism according to claim 4, characterized in that: A spring (31) is installed on the guide rod (30) between the base (11) and the grinding seat (20).

6. The tool for grinding the flange hole at the bottom of the disc spring of the operating mechanism according to claim 1, characterized in that: The grinding seat (20) comprises a first slot body (21) and a cover plate (22) mounted on the first slot body (21), wherein the cover plate (22) is mounted on the first slot body (21) by means of bolts (28); a central gear (23) is rotatably mounted in the cavities of the first slot body (21) and the cover plate (22), a plurality of passive gears (25) are rotatably mounted outside the central gear (23), the central gear (23) meshes with the passive gears (25) respectively, a central axis on the upper side of the central gear (23) extends upward from the cover plate (22) to form an input shaft (24), and a central axis on the lower side of each passive gear (25) extends downward from the first slot body (21) to form an output shaft (26).

Images