Propeller shell machining and positioning device and machining equipment with same

Abstract

The invention discloses a propeller shell machining and positioning device and machining equipment with the propeller shell machining and positioning device, the positioning device comprises a positioning mechanism, an indexing mechanism, a stop mechanism and a pressing mechanism, the positioning mechanism comprises an indexing disc, a base and a mandrel, and the indexing disc is provided with four positioning holes evenly distributed in the circumferential direction; the base is provided with a mounting hole corresponding to any positioning hole in position; the index plate is located at the top of the base and rotationally connected with the base. The mandrel vertically penetrates through the index plate and the base, the mandrel is fixedly connected with the index plate, and the mandrel is rotationally connected with the base; the indexing mechanism is mounted in the mounting hole so as to extend into or retreat from the positioning hole; the index plate is fixed on the base through a stop mechanism; and the pressing mechanism is mounted at the top of the mandrel to press the slurry shell on the index plate. According to the indexing mechanism, each positioning hole passing through the corresponding mounting hole can be positioned when the indexing plate rotates, so that the rotating angle of the indexing plate is controlled, four oar sleeves can be sequentially and accurately machined, operation is easy and convenient, and accurate positioning is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of aviation product processing, and more particularly to a propeller shell processing positioning device and processing equipment having the same. Background Art

[0002] Due to the complex shape of the propeller shell, its processing often requires high-precision positioning.

[0003] However, the existing propeller shell processing and positioning usually uses a variety of devices such as dividing heads, fixtures and measuring tools. It is not only difficult to meet the high-precision requirements, but also complicated to operate. Only one blade sleeve can be processed at one time during clamping (processing the propeller shell shape requires processing each blade sleeve of the propeller shell separately. The propeller shell has a total of four blade sleeves, and the adjacent blade sleeves are 90 degrees apart, requiring high indexing accuracy). This leads to errors easily occurring during the processing process and even causes processing failure.

[0004] Therefore, providing a high-precision propeller shell processing and positioning device and processing equipment having the same is an issue that technical personnel in this field urgently need to solve. Summary of the invention

[0005] In view of this, the present invention provides a propeller shell processing and positioning device and processing equipment having the same, which is easy to operate and can achieve precise positioning.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] A propeller shell processing positioning device comprises a positioning mechanism, a dividing mechanism, a stopping mechanism and a clamping mechanism, wherein the positioning mechanism comprises a dividing plate, a base and a spindle, the dividing plate having four positioning holes evenly distributed along the circumference; the base having a mounting hole corresponding to the position of any of the positioning holes; the dividing plate is located at the top of the base and is rotatably connected thereto; the spindle vertically passes through the dividing plate and the base, and the spindle is fixedly connected to the dividing plate, and the spindle is rotatably connected to the base; the dividing mechanism is mounted on the mounting hole to extend into or out of the positioning hole; the dividing plate is fixed to the base by the stopping mechanism; the clamping mechanism is mounted on the top of the spindle to clamp the propeller shell on the dividing plate.

[0008] By adopting the above technical solution, the beneficial effects of the present invention are:

[0009] The indexing mechanism can locate the position of each locating hole passing through the mounting hole when the indexing plate rotates, thereby controlling the rotation angle of the indexing plate, so that four paddle sleeves can be accurately processed in sequence, with easy operation and precise positioning.

[0010] Furthermore, the dividing mechanism includes a worm, a handle and an elastic positioning pin, the worm being horizontally mounted inside the base and corresponding to the position of the mounting hole; the handle being mounted on the end of the worm extending out of the base; the elastic positioning pin being mounted in the mounting hole, a worm wheel being mounted on the elastic positioning pin, the worm wheel being meshingly connected with the worm so that the top of the elastic positioning pin can extend into or out of the positioning hole.

[0011] Furthermore, the elastic locating pin includes a locating pin body, a nut, a spring and a top ball, the locating pin body is installed in the mounting hole through a bushing, and the bushing is slidably connected to the mounting hole; the locating pin body is a hollow structure; the mounting hole extends from the bottom of the locating pin body, and the nut is screwed on the bottom of the locating pin body; the spring is placed inside the locating pin body; the top ball is installed inside the locating pin body and is located at the top of the spring, and the top ball extends out of the top opening of the locating pin body.

[0012] Furthermore, the dividing mechanism also includes a limit seat and a limit screw, the limit seat is fixed on the base, and the worm passes through the limit seat and is rotatably connected thereto; the worm has a limit groove at a position corresponding to the limit seat; the limit screw is installed in the limit seat and extends into the limit groove.

[0013] The beneficial effect of adopting the above further technical solution is that the horizontal position of the worm is limited, thereby preventing the worm from escaping from the base due to rotation.

[0014] Furthermore, the stopping mechanism includes an ear seat, a hook-shaped pressure plate and a fastening bolt, the ear seat is fixed to the side of the base; the lifting rod of the hook-shaped pressure plate is inserted into the hole of the ear seat and is slidably connected thereto, and the pressure plate of the hook-shaped pressure plate is in contact with the top plane of the dividing plate; the fastening bolt is inserted into the hook-shaped pressure plate, and the top of the fastening bolt is in contact with the pressure plate, and the bottom of the fastening bolt is threadedly connected to the ear seat.

[0015] Furthermore, the clamping mechanism includes a pressing block and a shoulder nut, wherein the pressing block is sleeved on the top of the spindle; the shoulder nut is located on the top of the pressing block and is threadedly connected to the spindle.

[0016] Furthermore, the positioning mechanism also includes a positioning sleeve and a diamond pin, wherein the positioning sleeve is installed on the top periphery of the dividing plate; and the diamond pin is vertically installed on the top plane of the dividing plate.

[0017] The beneficial effect of adopting the above further technical solution is that the diamond pin can prevent the pulp shell on the indexing plate from rotating.

[0018] Furthermore, a blocking piece is installed near the top of each positioning hole.

[0019] The beneficial effect of adopting the above further technical solution is to prevent metal scraps generated by processing from entering the gap between the dividing plate and the base through the positioning hole, thereby affecting the smoothness of rotation or causing rotation jamming.

[0020] A propeller shell processing equipment includes a machine tool and a propeller shell processing positioning device as described above, wherein a positioning key is installed at the bottom of the base, and the positioning key is embedded in the guide rail of the machine tool; the U-shaped grooves on both sides of the base are fastened to the machine tool by bolts.

[0021] By adopting the above technical solution, the beneficial effects of the present invention are:

[0022] Realize precise positioning processing of propeller shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0024] Figure 1 The accompanying drawing is a schematic diagram of the overall structure of a propeller shell processing and positioning device provided by the present invention;

[0025] Figure 2 The accompanying drawing is a main cross-sectional view of a propeller shell processing and positioning device provided by the present invention;

[0026] Figure 3 The accompanying drawing is a top view of a propeller shell processing and positioning device provided by the present invention;

[0027] Figure 4 The attached picture is Figure 3 Middle AA section;

[0028] Figure 5 The attached picture is Figure 3 Middle BB cross-section. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figure 1-5 As shown, the embodiment of the present invention discloses a propeller shell processing positioning device, including a positioning mechanism 1, a dividing mechanism 2, a stopping mechanism 3 and a pressing mechanism 4. The positioning mechanism 1 includes a dividing plate 11, a base 12 and a spindle 13. The dividing plate 11 has four positioning holes 111 evenly distributed along the circumferential direction. In this embodiment, in the circumferential direction, the interval angle between two adjacent positioning holes 111 is 90 degrees; the base 12 has a mounting hole corresponding to the position of any positioning hole 111; the dividing plate 11 is located on the top of the base 12 and is rotatably connected thereto; the spindle 13 vertically penetrates The dividing plate 11 and the base 12, and the spindle 13 are fixedly connected to the dividing plate 11, and the spindle 13 is rotatably connected to the base 12. In this embodiment, the bottom end of the spindle 13 passes through the base 12, and a nut is installed at the bottom end of the spindle 13; the dividing mechanism 2 is installed in the mounting hole to extend into or withdraw from the positioning hole 111; the dividing plate 11 is fixed to the base 12 by the stop mechanism 3, which is used to press the dividing plate 11 after indexing to prevent the dividing plate 11 from rotating during processing, resulting in errors in processing; the clamping mechanism 4 is installed on the top of the spindle 13 to clamp the paddle shell on the dividing plate 11. The dividing mechanism 2 of the present invention can locate the position of each positioning hole 111 passing through the mounting hole when the dividing plate 11 rotates, thereby controlling the rotation angle of the dividing plate 11 by 90 degrees, so that four paddle sleeves can be accurately processed in sequence, and the operation is simple and accurate positioning can be achieved.

[0031] Specifically, the dividing mechanism 2 includes a worm 21, a handle 22 and an elastic locating pin 23. The worm 21 is horizontally installed inside the base 12 and corresponds to the position of the mounting hole; the handle 22 is installed at the end of the worm 21 extending from the base 12; the elastic locating pin 23 is installed in the mounting hole, and a worm wheel is installed on the elastic locating pin 23, and the worm wheel is meshingly connected with the worm 21 so that the top of the elastic locating pin 23 extends into or out of the locating hole 111. Of course, a gear and rack structure can also be used, as long as the worm rotates to make the elastic locating pin 23 rise and fall.

[0032] Specifically, the elastic locating pin 23 includes a locating pin body 231, a nut 232, a spring 233 and a top ball 234. The locating pin body 231 is installed in the mounting hole through the bushing 24, and the bushing 24 is slidably connected to the mounting hole; the locating pin body 231 is a hollow structure; the mounting hole extends from the bottom of the locating pin body 231, and the nut 232 is screwed on the bottom of the locating pin body 231; the spring 233 is placed inside the locating pin body 231; the top ball 234 is installed inside the locating pin body 231 and is located at the top of the spring 233, and the top ball 234 extends out of the top opening of the locating pin body 231.

[0033] In order to further optimize the technical solution of the present invention, the dividing mechanism 2 also includes a limit seat 25 and a limit screw 26. The limit seat 25 is fixed on the base 12, and the worm 21 passes through the limit seat 25 and is rotatably connected thereto; the portion of the worm 21 corresponding to the limit seat 25 has a limit groove; the limit screw 26 is installed in the limit seat 25 and extends into the limit groove, thereby limiting the horizontal position of the worm 21 and preventing the worm 21 from detaching from the base 12 due to rotation.

[0034] Specifically, the stopping mechanism 3 includes an ear seat 31, a hook-shaped pressure plate 32 and a fastening bolt 33. The ear seat 31 is fixed to the side of the base 12; the lifting rod of the hook-shaped pressure plate 32 is inserted into the hole of the ear seat 31 and is slidably connected thereto, and the pressure plate of the hook-shaped pressure plate 32 is in contact with the top plane of the dividing plate 11; the fastening bolt 33 is inserted into the hook-shaped pressure plate 32, and the top of the fastening bolt 33 is in contact with the pressure plate, and the bottom of the fastening bolt 33 is threadedly connected to the ear seat 31.

[0035] Specifically, the clamping mechanism 4 includes a pressing block 41 and a shoulder nut 42 . The pressing block 41 is sleeved on the top of the spindle 13 ; the shoulder nut 42 is located on the top of the pressing block 41 and is threadedly connected to the spindle 13 .

[0036] In order to further optimize the technical solution of the present invention, the positioning mechanism 1 also includes a positioning sleeve 14 and a diamond pin 15. The positioning sleeve 14 is installed on the top periphery of the dividing plate 11; the diamond pin 15 is vertically installed on the top plane of the dividing plate 11. The positioning sleeve 14 and the diamond pin 15 are used to ensure the X and Y direction positioning of the propeller shell, and then the shoulder nut 42 and the pressure block 41 are used to achieve the Z direction compression of the propeller shell.

[0037] In order to further optimize the technical solution of the present invention, a blocking piece 5 is installed near the top of each positioning hole 111 to prevent metal scraps generated during processing from entering the gap between the dividing plate 11 and the base 12 through the positioning hole 111, affecting the smoothness of rotation or causing rotation jamming.

[0038] The embodiment of the present invention further discloses a propeller shell processing equipment, including a machine tool and a propeller shell processing positioning device as described above, wherein a positioning key 6 is installed at the bottom of a base 12, and the positioning key 6 is embedded in the guide rail of the machine tool; and the U-shaped grooves 121 on both sides of the base 12 are fastened to the machine tool by bolts. The present invention realizes accurate positioning processing of the propeller shell.

[0039] Working process of the present invention:

[0040] The first step: the positioning key 6 is embedded in the guide rail of the machine tool to guide the positioning device, and then the bolts are passed through the four U-shaped grooves 121 on both sides of the base 12 to fix the positioning device on the machine tool;

[0041] Step 2: Use the shoulder nut 42 and the pressure block 41 to fix the propeller housing on the indexing plate 11, and the positioning sleeve 14 and the diamond pin 15 ensure the X and Y direction positioning of the propeller housing;

[0042] Step 3: Loosen the shoulder nut 42 to release the paddle shell clamping force, turn the handle 22 to drive the worm 21 to rotate, and under the action of the worm gear, the elastic positioning pin 23 rotates and descends, thereby withdrawing from the positioning hole 111, and the dividing plate 11 can drive the paddle shell to rotate to the next position that needs to be processed (the spindle 13 and the dividing plate 11 are connected by bolts, and the dividing plate 11 drives the spindle 13 to rotate in the center hole of the base 12). When it rotates to the next positioning hole position, the top ball 234 of the elastic positioning pin 23 automatically pops out into the positioning hole 111 under the action of the spring 233, completing the processing of the next position of the paddle shell. Repeat the above operation of turning the handle 22 to complete the processing of the entire paddle shell;

[0043] Step 4: Tighten the fastening bolts 33 so that the pressure plate of the hook-shaped pressure plate 32 presses the indexing plate 11 to start and stop the action.

[0044] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0045] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A propeller shell processing and positioning device, characterized in that: It includes a positioning mechanism, a dividing mechanism, a stopping mechanism and a clamping mechanism, wherein the positioning mechanism includes a dividing plate, a base and a spindle, wherein the dividing plate has four positioning holes evenly distributed along the circumference; the base has a mounting hole corresponding to the position of any of the positioning holes; the dividing plate is located at the top of the base and is rotatably connected thereto; the spindle vertically passes through the dividing plate and the base, and the spindle is fixedly connected to the dividing plate, and the spindle is rotatably connected to the base; the dividing mechanism is installed in the mounting hole to extend into or withdraw from the positioning hole; the dividing plate is fixed to the base by the stopping mechanism; the clamping mechanism is installed on the top of the spindle to clamp the pulp shell on the dividing plate.

2. A propeller shell processing and positioning device according to claim 1, characterized in that: The dividing mechanism includes a worm, a handle and an elastic positioning pin. The worm is horizontally installed inside the base and corresponds to the position of the mounting hole; the handle is installed at the end of the worm extending out of the base; the elastic positioning pin is installed in the mounting hole, and a worm wheel is installed on the elastic positioning pin. The worm wheel is meshed with the worm so that the top of the elastic positioning pin can extend into or exit the positioning hole.

3. A propeller shell processing and positioning device according to claim 2, characterized in that: The elastic locating pin includes a locating pin body, a nut, a spring and a top ball. The locating pin body is installed in the mounting hole through a bushing, and the bushing is slidably connected to the mounting hole; the locating pin body is a hollow structure; the mounting hole extends from the bottom of the locating pin body, and the nut is screwed on the bottom of the locating pin body; the spring is placed inside the locating pin body; the top ball is installed inside the locating pin body and is located at the top of the spring, and the top ball extends out of the top opening of the locating pin body.

4. A propeller shell processing and positioning device according to claim 2, characterized in that: The dividing mechanism also includes a limit seat and a limit screw, the limit seat is fixed on the base, and the worm passes through the limit seat and is rotatably connected thereto; a limit groove is provided at a portion of the worm corresponding to the limit seat; the limit screw is installed in the limit seat and extends into the limit groove.

5. A propeller shell processing and positioning device according to claim 1, characterized in that: The stopping mechanism includes an ear seat, a hook-shaped pressure plate and a fastening bolt, wherein the ear seat is fixed to the side of the base; the lifting rod of the hook-shaped pressure plate is inserted into the hole of the ear seat and is slidably connected thereto, and the pressure plate of the hook-shaped pressure plate is in contact with the top plane of the dividing plate; the fastening bolt is inserted into the hook-shaped pressure plate, and the top of the fastening bolt is in contact with the pressure plate, and the bottom of the fastening bolt is threadedly connected to the ear seat.

6. A propeller shell processing and positioning device according to claim 1, characterized in that: The clamping mechanism comprises a pressing block and a shoulder nut, wherein the pressing block is sleeved on the top of the spindle; the shoulder nut is located on the top of the pressing block and is threadedly connected to the spindle.

7. A propeller shell processing and positioning device according to claim 1, characterized in that: The positioning mechanism also includes a positioning sleeve and a diamond pin. The positioning sleeve is installed on the top periphery of the indexing plate; the diamond pin is vertically installed on the top plane of the indexing plate.

8. A propeller shell processing and positioning device according to claim 1, characterized in that: Each of the positioning holes is provided with a blocking piece near the top.

9. A propeller shell processing equipment, characterized in that: It comprises a machine tool and a propeller shell processing positioning device as described in any one of claims 1 to 8, wherein a positioning key is installed at the bottom of the base, and the positioning key is embedded in the guide rail of the machine tool; the U-shaped grooves on both sides of the base are fastened to the machine tool by bolts.

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