CN212747648U - Testing device for straightness and circular run-out of machined part - Google Patents
Testing device for straightness and circular run-out of machined part Download PDFInfo
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- CN212747648U CN212747648U CN202021712109.5U CN202021712109U CN212747648U CN 212747648 U CN212747648 U CN 212747648U CN 202021712109 U CN202021712109 U CN 202021712109U CN 212747648 U CN212747648 U CN 212747648U
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Abstract
The utility model relates to a testing device for straightness and circular run-out of a machined part, which comprises a detection bench, wherein two side surfaces right opposite to the detection bench are respectively provided with a fixed sleeve for fixing the part to be tested, one fixed sleeve is movably connected with the side surface of the detection bench, the other fixed sleeve is connected with a rotating shaft, and the rotating shaft is connected with a rotating device for shaking the fixed sleeve; the top of detecting the rack is provided with guider, and guider and fixed cover both are located same vertical plane, and guider's axial direction sets up the same with the axial direction of fixed cover, and guider sliding connection has the installed part, and the installed part is connected with the detection device who is used for testing the piece that awaits measuring. By adopting the technical scheme, the reliability of the test is improved; the device realizes the test of the straightness accuracy and the circular run-out of the piece to be tested, and has simple structure and low cost.
Description
Technical Field
The utility model relates to a technical field that the machined part detected, concretely relates to straightness accuracy of machined part and circle testing arrangement of beating.
Background
The mechanical processing mainly includes two major types, namely manual processing and numerical control processing (CNC). Manual machining refers to a method in which a machinist manually operates mechanical equipment such as a milling machine, a lathe, a drilling machine, and a sawing machine to machine various materials. The manual machining is suitable for small-batch and simple part production. Numerical control machining (CNC) refers to a machine worker machining by using numerical control equipment, wherein the numerical control equipment comprises a machining center, a turning and milling center, electric spark wire cutting equipment, a thread cutting machine and the like. Most machining workshops adopt a numerical control machining technology, position coordinates (X, Y, Z) of a workpiece in a Cartesian coordinate system are converted into a program language through programming, a CNC controller of the numerical control machine controls axes of the numerical control machine through recognizing and interpreting the program language, materials are automatically removed according to requirements, and a finished workpiece is obtained. The numerical control machining processes the workpiece in a continuous mode and is suitable for large-batch parts with complex shapes.
The rotating shaft is also manufactured by machining, various tests need to be carried out on the rotating shaft after the machining is finished, and the straightness and circular run-out tests of the rotating shaft are particularly important. The existing straightness and circle run-out testing device for the machined part is complex in structure and high in price.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a straightness accuracy of machined part and circle testing arrangement who beats has simple structure, economical and practical's advantage.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a testing device for straightness and circular run-out of a machined part comprises a detection bench, wherein two opposite side surfaces of the detection bench are respectively provided with a fixed sleeve for fixing a to-be-tested part, one fixed sleeve is movably connected to the side surface of the detection bench, the other fixed sleeve is connected with a rotating shaft, and the rotating shaft is connected with a rotating device for shaking the fixed sleeve; the top of detecting the rack is provided with guider, guider with fixed cover both are located same vertical plane, guider's axial direction with the same setting of axial direction of fixed cover, guider sliding connection has the installed part, the installed part is connected with the detection device who is used for testing the piece that awaits measuring.
By adopting the technical scheme, the fixed sleeves are respectively arranged on the two side faces opposite to the detection rack, so that the to-be-detected piece is fixed in the detection rack, when a tester pushes the mounting piece to move along the guide device, the detection device tests the straightness of the to-be-detected piece, and the straightness of a plurality of faces of the to-be-detected piece can be tested by matching with the rotating device, so that the test reliability is improved; when a tester operates the rotating device, the rotating device drives the rotating shaft to move synchronously, and then the rotating shaft drives the fixed sleeve and the piece to be tested to move synchronously, so that the detection device measures circle run-out of the piece to be tested around the piece to be tested for a circle, the straightness and circle run-out test of the piece to be tested is realized, and the device is simple in structure, low in cost, free of adopting equipment such as a numerical control machine tool and free of consuming electric energy, and plays a role in energy conservation and environmental protection.
The utility model discloses further set up to: the rotating device comprises a hand-operated wheel which is used for being fixedly connected with one end of the detection rack, wherein the rotating shaft extends out of the hand-operated wheel.
Through adopting above-mentioned technical scheme, including being used for stretching out the hand wheel that detects rack one end and be connected with the pivot, and then the experimenter of being convenient for tests the circle of the piece that awaits measuring and beats, improves the convenience of device.
The utility model discloses further set up to: the guide device comprises a guide post, a sliding groove is formed in the guide post along the axial direction, and the sliding groove is matched with the mounting piece.
Through adopting above-mentioned technical scheme, the spout has been seted up along axial direction to the guide post, because guider's axial direction is the same with the axial direction of fixed cover, when detection device slided along the axial direction of spout for detection device can cooperate with the piece that awaits measuring, plays the test effect to the piece that awaits measuring, has improved the reliability of device.
The utility model discloses further set up to: the mounting part is fixedly connected with a holding rod in a bent shape, and the holding rod extends out of the detection rack.
By adopting the technical scheme, the straightness testing work of testers is facilitated, and the convenience of the device is improved.
The utility model discloses further set up to: lubricating oil is smeared between the sliding groove and the mounting piece.
Through adopting above-mentioned technical scheme for the installed part is more smooth and easy at the gliding of spout, is convenient for test the straightness accuracy of piece that awaits measuring, has improved the reliability of device.
The utility model discloses further set up to: the hand-held rod is sleeved with a silica gel sleeve.
Through adopting above-mentioned technical scheme, the tester of being convenient for operates the holding rod, has promoted the stability of device.
The utility model discloses further set up to: the bottom fixedly connected with base of detecting the rack, the pedestal mounting has a plurality of walking wheels.
Through adopting above-mentioned technical scheme, and then the removal of the device of being convenient for need not the test personnel transport, has improved the convenience of device, has saved manpower resources.
The utility model discloses further set up to: the detection device comprises a dial indicator detachably connected with the mounting part, and a measuring head of the dial indicator is abutted to the part to be detected.
By adopting the technical scheme, the measuring head of the dial indicator is abutted against the piece to be measured, so that the dial indicator can reflect the straightness and circle run-out conditions of the piece to be measured through the fluctuation of the dial indicator, and the staff can conveniently and rapidly judge the qualified conditions of the piece to be measured.
To sum up, the utility model discloses following beneficial effect has:
1. the fixed sleeves are respectively arranged on the two side faces opposite to the detection rack, so that the to-be-detected piece is fixed in the detection rack, when a tester pushes the mounting piece to move along the guide device, the detection device tests the straightness of the to-be-detected piece, and the straightness of a plurality of faces of the to-be-detected piece can be tested by matching with the rotating device, so that the test reliability is improved; when a tester operates the rotating device, the rotating device drives the rotating shaft to synchronously move, and then the rotating shaft drives the fixed sleeve and the piece to be tested to synchronously move, so that the detection device measures the circular run-out of the piece to be tested around the piece to be tested for one circle, and the test on the straightness and the circular run-out of the piece to be tested is realized, and the device has the advantages of simple structure, low cost, no need of adopting equipment such as a numerical control machine tool and the like, no need of consuming electric energy, and energy conservation and environmental protection;
2. the measuring head of the dial indicator is abutted against the to-be-measured piece, so that the dial indicator can reflect the straightness accuracy and the circle run-out condition of the to-be-measured piece through the fluctuation of the dial indicator, and the staff can conveniently and rapidly judge the qualified condition of the to-be-measured piece.
Drawings
FIG. 1 is an overall structural view of the present embodiment;
fig. 2 is a schematic view of the connection between the guide post and the sliding post of the present embodiment.
Reference numerals: 1. a base; 11. a traveling wheel; 2. a detection bench; 3. fixing a sleeve; 4. a rotating shaft; 5. a hand-operated wheel; 6. a guide post; 61. a chute; 71. a sliding post; 72. a fixing ring; 73. a hand-held lever; 731. a silica gel sleeve; 8. and (5) a dial indicator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, the utility model discloses a straightness accuracy of machined part and circle testing arrangement who beats, including detecting rack 2, detect rack 2 just right both sides face intermediate position and install the fixed cover 3 that is used for fixed piece that awaits measuring respectively, the fixed cover 3 of one of which rotates and connects in the side of detecting rack 2, another fixed cover 3 fixedly connected with pivot 4, detect rack 2 and be close to a side of pivot 4 and install the bearing, pivot 4 wears out through the bearing and detects rack 2, the axial direction of pivot 4, the axial direction of fixed cover 3 and the axial direction three of piece that awaits measuring all are located same straight line, pivot 4 is kept away from fixed cover 3 one end fixedly connected with and is used for shaking the rotating device who states fixed cover 3, rotating device is including being used for stretching out the hand wheel 5 that detects rack 2 one end fixed connection with pivot 4.
The top of detecting rack 2 installs guider, guider and fixed cover 3 both are located same vertical plane, guider's axial direction and the same setting of the axial direction of fixed cover 3, guider sliding connection has the installed part, the installed part is connected with the detection device who is used for testing the piece that awaits measuring, detection device can dismantle the amesdial 8 of being connected including with the installed part, amesdial 8's gauge head and the looks butt that awaits measuring.
The guide device comprises a guide post 6 arranged in parallel with the piece to be measured, a sliding groove 61 is formed in the guide post 6 along the axial direction, and the sliding groove 61 is matched with the mounting piece.
The installed part is including the slip post 71 with spout 61 sliding connection, is provided with the clearance that is less than 0.5mm between the inside wall of slip post 71 and spout 61, has paintd lubricating oil between slip post 71 and the spout 61, and the slip post 71 stretches out the solid fixed ring 72 of the one end fixedly connected with of spout 61, and solid fixed ring 72 and the cooperation setting between the amesdial 8. The outside welding of solid fixed ring 72 has the handspike 73 that the shape is the form of bending, and handspike 73 stretches out the setting of detecting rack 2, and the tip cover of handspike 73 is equipped with silica gel cover 731.
The bottom of the detection rack 2 is fixedly connected with a base 1, and the bottom surface of the base 1 is fixedly connected with a plurality of walking wheels 11 which are uniformly distributed.
The working conditions and principles of the embodiment are as follows:
when the device is used for detecting a piece to be tested, two ends of a cylindrical workpiece are fixed in the fixing sleeves 3 on two sides, the holding rod 73 is held by a hand to push the dial indicator 8 to move along the direction of the sliding groove 61, the measuring head of the dial indicator 8 is abutted against the piece to be tested in the process, the fluctuation condition of the dial indicator in the process of moving the dial indicator 8 is observed, if the fluctuation is large, the piece to be tested is unqualified, if the fluctuation of the dial indicator is small, the hand wheel 5 is rotated at the moment, the piece to be tested is tested at another position on the surface, the hand wheel 5 is rotated to select a plurality of surfaces on the piece to be tested to be abutted against the lower end of the dial indicator 8 for testing, if the dial indicator of the dial indicator 8 is stable all the time, the straightness testing of the piece to.
When the circle of need to await measuring is beated, tester operation hand rocking wheel 5 for rotating device drives pivot 4 and is synchronous motion, and then lets pivot 4 drive fixed cover 3 and await measuring a synchronous motion, thereby lets detection device measure its circle around the piece that awaits measuring and beat, has realized the test to each position straightness accuracy and the circle of the piece that awaits measuring, this machined part straightness accuracy testing arrangement simple structure, low cost.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A straightness accuracy of machined part and circle run-out's testing arrangement characterized by: the device comprises a detection rack (2), wherein two opposite side surfaces of the detection rack (2) are respectively provided with a fixed sleeve (3) for fixing a to-be-detected piece, one fixed sleeve (3) is movably connected to the side surface of the detection rack (2), the other fixed sleeve (3) is connected with a rotating shaft (4), and the rotating shaft (4) is connected with a rotating device for shaking the fixed sleeve (3); the top of detecting rack (2) is provided with guider, guider with fixed cover (3) both are located same vertical plane, guider's axial direction with the same setting of axial direction of fixed cover (3), guider sliding connection has the installed part, the installed part is connected with the detection device who is used for testing the piece that awaits measuring.
2. The apparatus for testing straightness and circular run-out of a workpiece according to claim 1, wherein: the rotating device comprises a hand-operated wheel (5) which is used for being fixedly connected with one end of the detection rack (2) and extending out of the rotating shaft (4).
3. The apparatus for testing straightness and circular run-out of a workpiece according to claim 1, wherein: the guiding device comprises a guiding column (6), a sliding groove (61) is formed in the guiding column (6) in the axial direction, and the sliding groove (61) is matched with the mounting piece.
4. The apparatus for testing straightness and circular run-out of a workpiece according to claim 3, wherein: the mounting part is fixedly connected with a holding rod (73) which is bent, and the holding rod (73) extends out of the detection rack (2).
5. The apparatus for testing straightness and circular run-out of a workpiece according to claim 3, wherein: lubricating oil is smeared between the sliding groove (61) and the mounting piece.
6. The apparatus for testing straightness and circular run-out of a workpiece according to claim 4, wherein: the hand-held rod (73) is sleeved with a silica gel sleeve (731).
7. The apparatus for testing straightness and circular run-out of a workpiece according to claim 1, wherein: the bottom fixedly connected with base (1) of detecting rack (2), a plurality of walking wheels (11) are installed to base (1).
8. The apparatus for testing straightness and circular run-out of a workpiece according to claim 1, wherein: the detection device comprises a dial indicator (8) detachably connected with the mounting part, and a measuring head of the dial indicator (8) is abutted to the part to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021712109.5U CN212747648U (en) | 2020-08-17 | 2020-08-17 | Testing device for straightness and circular run-out of machined part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021712109.5U CN212747648U (en) | 2020-08-17 | 2020-08-17 | Testing device for straightness and circular run-out of machined part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212747648U true CN212747648U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021712109.5U Active CN212747648U (en) | 2020-08-17 | 2020-08-17 | Testing device for straightness and circular run-out of machined part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212747648U (en) |
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2020
- 2020-08-17 CN CN202021712109.5U patent/CN212747648U/en active Active
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