Roundness measuring instrument

Abstract

The utility model provides a roundness measuring instrument, which belongs to the field of roundness measuring instruments and comprises a bottom plate, a rotating groove is arranged in the middle of the top of the bottom plate, a rotating table is rotatably connected onto the inner wall of the rotating groove, a bearing seat is arranged in the middle of the top of the rotating table, a groove is arranged at the top of the bearing seat, and an adsorption component is arranged on the inner wall of the groove. Clamping assemblies are arranged on the two sides of the top of the rotating table. According to the device, the spherical part is placed in the groove, the air pump on the fixed seat is matched with the air delivery pipe and the communicating pipe to suck air, and is matched with the rubber sucker to adsorb and fix the bottom of the spherical part, so that the spherical part and the bearing seat are conveniently mounted and fixed, and the device is convenient to shake when rotating to measure the roundness.

Description

Technical Field

[0001] The utility model relates to the field of roundness instruments, in particular to a roundness instrument. Background Art

[0002] Roundness is an important parameter of rotating parts. Therefore, it is often necessary to measure the roundness of parts or products in mechanical production. At present, the measurement of roundness is mainly: rotation method, two-point method, projection method and coordinate method. Among them, the rotation method is widely used because of its low equipment cost and high flexibility. After searching, a roundness meter disclosed in application number CN202320700360.7 is recorded, which includes a base plate, a workbench is provided on the surface of the base plate, and a support block is vertically installed on one side of the top of the base plate by bolts, and the support block and the axis of the workbench are on the same horizontal line, and a track is provided on the top of the support block. The cross-section of the track is T-shaped, and an adjustment block A is slidably installed on the upper surface of the track. A threaded rod is screwed on the surface of the entire block A, and the threaded rod passes through the adjustment block A. An adjustment block B is slidably installed on the surface of one end of the track close to the workbench. One end of the threaded rod is installed on the adjustment block B through a bearing, and a knob is provided on the other end of the threaded rod. The inner and outer rings of the bearing can be fixed respectively by an inclined rubber pressure plate, thereby achieving simultaneous measurement of the inner and outer rings, and eliminating data failure due to error stacking, thereby ensuring the measurement results. However, the device still has the following defects in actual use: the device is not convenient for fixing different parts when in use, resulting in shaking of parts during rotation measurement, and the structure of the device has limitations, so it is necessary to design a roundness meter with strong practicality. Utility Model Content

[0003] The purpose of the utility model is to provide a roundness meter to solve the problems raised by the above background technology.

[0004] To achieve the above object, the utility model provides the following technical solutions: a roundness meter, comprising a bottom plate, a rotating groove is provided in the middle of the top of the bottom plate, a rotating table is rotatably connected to the inner wall of the rotating groove, a bearing seat is provided in the middle of the top of the rotating table, a groove is provided on the top of the bearing seat, an adsorption component is provided on the inner wall of the groove, and clamping components are provided on both sides of the top of the rotating table;

[0005] An adsorption component, the adsorption component includes a rubber suction cup installed on the inner wall of the groove, the bottom of the rubber suction cup is fixedly connected to the top of the connecting pipe, the surface of the connecting pipe is interlaced with the cavity groove opened inside the bearing seat, the other end of the connecting pipe is fixedly connected to the air supply pipe of the air pump, the bottom of the air pump is snap-connected with the fixed seat, the bottom of the fixed seat is snap-connected with the inner wall of the mounting groove opened on the other side of the top of the rotating table, mounting holes are opened on both sides of the top of the fixing seat, and the inner wall of the mounting hole is threadedly connected to the threaded holes opened on both sides of the bottom of the inner wall of the mounting groove through bolts.

[0006] The clamping assembly comprises two mounting sleeves mounted on both sides of the top of the rotating table, the inner walls of the two mounting sleeves are slidably connected with support rods, the surfaces of the two mounting sleeves are provided with two limiting holes, the inner walls of the two limiting holes are clamped and connected with the docking holes provided on the surfaces of the two support rods through limiting pins, the top of the support rod is rotatably connected to the inner wall of the shaft sleeve at the bottom of the fixed block, the surface of the support rod is threadedly connected with a locking ring, the inner wall of the top of the locking ring is threadedly connected to the surface of the bottom end of the shaft sleeve, first through holes are opened on both sides of the fixed block, the inner wall of the first through hole is threadedly connected with a first adjusting screw, and the other end of the first adjusting screw is fixedly connected with an arc-shaped clamping block.

[0007] As a preferred solution of the utility model: a mounting block is fixedly installed on one side of the top of the base plate, a slide groove is opened on one side of the mounting block, a first electric telescopic rod is provided at the bottom of the inner wall of the slide groove, the telescopic end of the first electric telescopic rod is fixedly connected with an adjusting seat, the other side of the adjusting seat is interspersed with a mounting rod, one end of the mounting rod is provided with a probe pen, and the other end of the mounting rod is fixedly connected to the second adjusting screw through the adjusting block.

[0008] As a preferred solution of the utility model: a rotating hole is opened in the middle of the bottom of the inner wall of the rotating groove, the inner wall of the rotating hole is rotatably connected to the output shaft of the motor, the output shaft of the motor is fixedly connected to the middle of the bottom of the rotating table, and the bottom of the motor is fixedly connected to the middle of the bottom of the base plate through the machine base.

[0009] As a preferred solution of the utility model: two guide rods are provided on the inner wall of the adjustment seat, and the surfaces of the two guide rods are interlaced and connected with two through holes opened on the surface of the adjustment block, a plug hole is opened in the middle of one side of the inner wall of the adjustment seat, and the inner wall of the plug hole is interlaced and connected with the surface of the mounting rod, and a second through hole is opened in the middle of the other side of the inner wall of the adjustment seat, and the inner wall of the second through hole is threadedly connected with the surface of the second adjusting screw.

[0010] As a preferred solution of the utility model: a mounting bracket is provided on the other side of the top of the base plate, movable grooves are provided on both sides of the inner wall of the mounting bracket, the inner walls of the movable grooves are slidably connected to the movable blocks provided on both sides of the movable seat, the bottom of the movable seat is fixedly connected to the bottom of the inner wall of the mounting bracket through a second electric telescopic rod, third through holes are provided on both sides of the movable seat, the inner walls of the third through holes are threadedly connected with a third adjusting screw, and a detection head is provided at one end of the third adjusting screw.

[0011] As a preferred solution of the utility model: rubber bearings are fixedly connected to the four corners of the bottom of the base plate.

[0012] As a preferred solution of the utility model: a control panel is provided at one side corner of the top of the base plate, and the motor, the first electric telescopic rod and the second electric telescopic rod are all electrically connected to an external power supply through the control panel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The spherical part is placed in the groove, and the air pump on the fixed seat cooperates with the air pipe and the connecting pipe to suck air, and the bottom of the spherical part is adsorbed and fixed by the rubber suction cup, so that it is easy to install and fix it with the bearing seat, so that it does not shake when the device rotates to measure the roundness;

[0015] (2) The two support rods are moved in the two mounting sleeves, and the two limit pins are inserted into the two upper limit holes and the docking holes, so that the mounting sleeves and the support rods are limited and fixed, so that the two arc-shaped clamping blocks are located at the top of the bearing seat. At the same time, the two fixing blocks cooperate with the two bushings to rotate on the surface of the top of the two support rods. When the position is appropriate, the inner walls of the two locking rings are threadedly connected with the surfaces of the two bushings, so that the support rods and the fixing blocks are limited and fixed. The two first adjusting screws move in the first through holes on the two fixing blocks, driving the two arc-shaped clamping blocks to move, so that the inner walls of the two arc-shaped clamping blocks are engaged with the surface of the cylindrical part, thereby fixing it and improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a partial structural schematic diagram of the utility model;

[0018] Figure 3 It is one of the partial structural schematic diagrams of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the adsorption component of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the clamping assembly of the utility model.

[0021] In the figure: 1, bottom plate; 11, rotating groove; 12, rotating table; 13, bearing seat; 14, groove; 15, cavity groove; 16, mounting groove; 17, threaded hole; 18, mounting block; 19, slide groove; 110, first electric telescopic rod; 111, adjustment seat; 112, mounting rod; 113, probe pen; 114, adjustment block; 115, second adjustment screw; 116, rotating hole; 117, motor; 118, machine base; 119, guide rod; 120, through hole; 121, jack; 122, second through hole; 123, mounting frame; 124, moving seat; 125, second electric Telescopic rod; 126, third through hole; 127, third adjusting screw; 128, detection head; 129, rubber support; 130, control panel; 2, adsorption component; 21, rubber suction cup; 22, connecting pipe; 23, air pump; 24, air pipe; 25, fixing seat; 26, mounting hole; 27, bolt; 3, clamping component; 31, mounting sleeve; 32, support rod; 33, limiting hole; 34, limiting pin; 35, docking hole; 36, fixing block; 37, bushing; 38, locking ring; 39, first through hole; 310, first adjusting screw; 311, arc clamping block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5 A roundness meter comprises a bottom plate 1, a rotating groove 11 is provided in the middle of the top of the bottom plate 1, a rotating table 12 is rotatably connected to the inner wall of the rotating groove 11, a bearing seat 13 is provided in the middle of the top of the rotating table 12, a groove 14 is provided on the top of the bearing seat 13, an adsorption component 2 is provided on the inner wall of the groove 14, and clamping components 3 are provided on both sides of the top of the rotating table 12;

[0024] See also Figure 4, the adsorption component 2 includes a rubber suction cup 21 installed on the inner wall of the groove 14, the bottom of the rubber suction cup 21 is fixedly connected to the top of the connecting pipe 22, the surface of the connecting pipe 22 is interlaced with the cavity 15 provided inside the bearing seat 13, the other end of the connecting pipe 22 is fixedly connected to the air delivery pipe 24 of the air pump 23, the bottom of the air pump 23 is engaged with the fixing seat 25, the bottom of the fixing seat 25 is engaged with the inner wall of the mounting groove 16 provided on the other side of the top of the rotating table 12, mounting holes 26 are provided on both sides of the top of the fixing seat 25, and the inner wall of the mounting hole 26 is threadedly connected to the threaded holes 17 provided on both sides of the bottom of the inner wall of the mounting groove 16 through bolts 27.

[0025] During specific use: put the spherical part into the groove 14, the air pump 23 on the fixed seat 25 cooperates with the air pipe 24 and the connecting pipe 22 to suck air, and cooperates with the rubber suction cup 21 to adsorb and fix the bottom of the spherical part, so as to facilitate its installation and fixing with the bearing seat 13, so as to facilitate its shaking when the device rotates to measure the roundness, and insert the two bolts 27 into the two mounting holes 26 and the threaded hole 17, so as to facilitate the installation and disassembly of the fixed seat 25 and the rotating table 12.

[0026] See also Figure 5 , the clamping assembly 3 includes two mounting sleeves 31 mounted on both sides of the top of the rotating table 12, the inner walls of the two mounting sleeves 31 are slidably connected with support rods 32, the surfaces of the two mounting sleeves 31 are provided with two limiting holes 33, the inner walls of the two limiting holes 33 are engaged with the docking holes 35 provided on the surfaces of the two support rods 32 through limiting pins 34, the top of the support rod 32 is rotatably connected to the inner wall of the shaft sleeve 37 at the bottom of the fixed block 36, the surface of the support rod 32 is threadedly connected with a locking ring 38, the inner wall of the top of the locking ring 38 is threadedly connected to the surface of the bottom end of the shaft sleeve 37, first through holes 39 are provided on both sides of the fixed block 36, the inner wall of the first through hole 39 is threadedly connected with a first adjusting screw 310, and the other end of the first adjusting screw 310 is fixedly connected with an arc clamping block 311.

[0027] When in use, the two support rods 32 move in the two mounting sleeves 31, and the two limit pins 34 are inserted into the two upper limit holes 33 and the docking holes 35, so that the mounting sleeves 31 and the support rod 32 are limited and fixed, so that the two arc clamping blocks 311 are at the top position of the bearing seat 13, and at the same time, the two fixing blocks 36 cooperate with the two shaft sleeves 37 to rotate on the surface of the top of the two support rods 32, and when the position is appropriate, the inner wall of the two locking rings 38 is threadedly connected with the surface of the two shaft sleeves 37, so that the support rod 32 and the fixing block 36 are limited and fixed, and the two first adjusting screws 310 move in the first through holes 39 on the two fixing blocks 36, driving the two arc clamping blocks 311 to move, so that the inner walls of the two arc clamping blocks 311 are engaged with the surface of the cylindrical part to fix it, and when the structure is not in use, the two support rods 32 are restored to their original state, and at this time, the top of the fixing block 36 will not affect the movement of the third adjusting screw 127.

[0028] See also Figure 3 A mounting block 18 is fixedly installed on one side of the top of the base plate 1, a slide groove 19 is opened on one side of the mounting block 18, a first electric telescopic rod 110 is provided at the bottom of the inner wall of the slide groove 19, the telescopic end of the first electric telescopic rod 110 is fixedly connected with an adjusting seat 111, and a mounting rod 112 is inserted and connected on the other side of the adjusting seat 111, a probe 113 is provided at one end of the mounting rod 112, and the other end of the mounting rod 112 is fixedly connected to the second adjusting screw 115 through an adjusting block 114.

[0029] During specific use: the first electric telescopic rod 110 drives the adjustment seat 111 to move in the slide groove 19 to adjust the height of the bottom of the probe pen 113, the second adjustment screw 115 drives the adjustment block 114 to move on the surface of the guide rod 119, and the adjustment block 114 cooperates with the installation rod 112 to drive the probe pen 113 to move so that its bottom contacts the surface of the part.

[0030] See also Figure 2 A rotating hole 116 is opened in the middle of the bottom of the inner wall of the rotating groove 11, and the inner wall of the rotating hole 116 is rotatably connected to the output shaft of the motor 117. The output shaft of the motor 117 is fixedly connected to the middle of the bottom of the rotating table 12, and the bottom of the motor 117 is fixedly connected to the middle of the bottom of the base plate 1 through the base 118.

[0031] During specific use, the motor 117 on the machine base 118 drives the rotating table 12 to rotate in the rotating groove 11, thereby driving the parts to rotate.

[0032] See also Figure 3Two guide rods 119 are provided on the inner wall of the adjustment seat 111, and the surfaces of the two guide rods 119 are interlaced and connected with the two through holes 120 opened on the surface of the adjustment block 114. A plug hole 121 is opened in the middle of one side of the inner wall of the adjustment seat 111, and the inner wall of the plug hole 121 is interlaced and connected with the surface of the mounting rod 112. A second through hole 122 is opened in the middle of the other side of the inner wall of the adjustment seat 111, and the inner wall of the second through hole 122 is threadedly connected with the surface of the second adjustment screw 115.

[0033] During specific use, the adjustment block 114 cooperates with the two through holes 120 to slide on the surfaces of the two guide rods 119 , thereby facilitating the movement and position limiting of the probe pen 113 .

[0034] See also Figure 3 A mounting bracket 123 is provided on the other side of the top of the base plate 1, and moving grooves are provided on both sides of the inner wall of the mounting bracket 123. The inner wall of the moving groove is slidably connected to the moving blocks provided on both sides of the moving seat 124. The bottom of the moving seat 124 is fixedly connected to the bottom of the inner wall of the mounting bracket 123 through a second electric telescopic rod 125. Third through holes 126 are provided on both sides of the moving seat 124. The inner wall of the third through hole 126 is threadedly connected with a third adjusting screw 127, and a detection head 128 is provided at one end of the third adjusting screw 127.

[0035] During specific use: the second electric telescopic rod 125 drives the moving seat 124 to move on the inner wall of the mounting frame 123, and the third adjusting screw 127 moves in the third through hole 126 on the moving seat 124, so that the detection head 128 contacts the surface of the part.

[0036] See also Figure 2 The four corners of the bottom of the base plate 1 are fixedly connected with rubber supports 129.

[0037] During specific use: the plurality of rubber supports 129 at the bottom of the bottom plate 1 facilitates supporting and fixing the structure of the device.

[0038] See also Figure 1 A control panel 130 is provided at one side corner of the top of the base plate 1 , and the motor 117 , the first electric telescopic rod 110 and the second electric telescopic rod 125 are all electrically connected to an external power source through the control panel 130 .

[0039] During specific use: the control panel 130 is used to control the motor 117, the first electric telescopic rod 110 and the second electric telescopic rod 125, so that the device can perform roundness detection on different types of parts.

[0040] When in use, the spherical part is placed in the groove 14, and the air pump 23 on the fixing seat 25 cooperates with the air pipe 24 and the connecting pipe 22 to suck air, and cooperates with the rubber suction cup 21 to adsorb and fix the bottom of the spherical part, so as to facilitate its installation and fixing with the bearing seat 13, so that it can shake when the device rotates to measure the roundness, and the two support rods 32 move in the two installation sleeves 31, and the two limit pins 34 are inserted into the two upper limit holes 33 and the docking hole 35, so as to limit and fix the installation sleeve 31 and the support rod 32, so that the two arc clamps The block 311 is located at the top of the bearing seat 13, and the two fixing blocks 36 cooperate with the two bushings 37 to rotate on the surface of the top of the two support rods 32. When the position is appropriate, the inner walls of the two locking rings 38 are threadedly connected with the surfaces of the two bushings 37, so as to limit and fix the support rods 32 and the fixing blocks 36. The two first adjusting screws 310 move in the first through holes 39 on the two fixing blocks 36, driving the two arc-shaped clamping blocks 311 to move, so that the inner walls of the two arc-shaped clamping blocks 311 are engaged with the surface of the cylindrical part to fix it.

[0041] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for technical personnel in the field to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A roundness tester, characterized in that: The invention comprises a bottom plate (1), a rotating groove (11) is provided in the middle of the top of the bottom plate (1), a rotating platform (12) is rotatably connected to the inner wall of the rotating groove (11), a bearing seat (13) is provided in the middle of the top of the rotating platform (12), a groove (14) is provided on the top of the bearing seat (13), an adsorption component (2) is provided on the inner wall of the groove (14), and clamping components (3) are provided on both sides of the top of the rotating platform (12); The adsorption component (2) comprises a rubber suction cup (21) mounted on the inner wall of the groove (14), the bottom of the rubber suction cup (21) is fixedly connected to the top of the connecting pipe (22), the surface of the connecting pipe (22) is interlacedly connected to the cavity (15) provided inside the bearing seat (13), the other end of the connecting pipe (22) is fixedly connected to the air delivery pipe (24) of the air pump (23), the bottom of the air pump (23) is snap-fitted to the fixing seat (25), the bottom of the fixing seat (25) is snap-fitted to the inner wall of the mounting groove (16) provided on the other side of the top of the rotating platform (12), the top of the fixing seat (25) is provided with mounting holes (26) on both sides, and the inner wall of the mounting hole (26) is threadedly connected to the threaded holes (17) provided on both sides of the bottom of the inner wall of the mounting groove (16) through bolts (27); The clamping assembly (3) comprises two mounting sleeves (31) mounted on both sides of the top of the rotating table (12), the inner walls of the two mounting sleeves (31) are slidably connected with support rods (32), the surfaces of the two mounting sleeves (31) are provided with two limiting holes (33), the inner walls of the two limiting holes (33) are engaged with the docking holes (35) provided on the surfaces of the two support rods (32) through limiting pins (34), and the top of the support rods (32) is provided with a plurality of support rods (32). The end is rotatably connected to the inner wall of the bottom sleeve (37) of the fixed block (36); the surface of the support rod (32) is threadedly connected with a locking ring (38); the inner wall of the top of the locking ring (38) is threadedly connected to the surface of the bottom end of the sleeve (37); first through holes (39) are opened on both sides of the fixed block (36); the inner wall of the first through hole (39) is threadedly connected with a first adjusting screw (310); the other end of the first adjusting screw (310) is fixedly connected with an arc-shaped clamping block (311).

2. A roundness tester according to claim 1, characterized in that: A mounting block (18) is fixedly mounted on one side of the top of the base plate (1), a slide groove (19) is provided on one side of the mounting block (18), a first electric telescopic rod (110) is provided at the bottom of the inner wall of the slide groove (19), a telescopic end of the first electric telescopic rod (110) is fixedly connected to an adjustment seat (111), a mounting rod (112) is inserted and connected to the other side of the adjustment seat (111), a probe (113) is provided at one end of the mounting rod (112), and the other end of the mounting rod (112) is fixedly connected to a second adjustment screw (115) through an adjustment block (114).

3. A roundness tester according to claim 1, characterized in that: A rotation hole (116) is provided in the middle of the bottom of the inner wall of the rotation groove (11), the inner wall of the rotation hole (116) is rotationally connected to the output shaft of the motor (117), the output shaft of the motor (117) is fixedly connected to the middle of the bottom of the rotating platform (12), and the bottom of the motor (117) is fixedly connected to the middle of the bottom of the base plate (1) via a machine base (118).

4. A roundness tester according to claim 2, characterized in that: Two guide rods (119) are provided on the inner wall of the adjustment seat (111), and the surfaces of the two guide rods (119) are connected to two through holes (120) provided on the surface of the adjustment block (114). A plug hole (121) is provided in the middle of one side of the inner wall of the adjustment seat (111), and the inner wall of the plug hole (121) is connected to the surface of the mounting rod (112). A second through hole (122) is provided in the middle of the other side of the inner wall of the adjustment seat (111), and the inner wall of the second through hole (122) is threadedly connected to the surface of the second adjustment screw (115).

5. A roundness tester according to claim 1, characterized in that: A mounting frame (123) is provided on the other side of the top of the base plate (1), and movable grooves are provided on both sides of the inner wall of the mounting frame (123), and the inner wall of the movable groove is slidably connected to movable blocks provided on both sides of the movable seat (124), and the bottom of the movable seat (124) is fixedly connected to the bottom of the inner wall of the mounting frame (123) through a second electric telescopic rod (125), and third through holes (126) are provided on both sides of the movable seat (124), and the inner wall of the third through hole (126) is threadedly connected to a third adjusting screw (127), and a detection head (128) is provided at one end of the third adjusting screw (127).

6. A roundness tester according to claim 1, characterized in that: The four corners of the bottom of the base plate (1) are all fixedly connected with rubber supports (129).

7. A roundness tester according to claim 3, characterized in that: A control panel (130) is provided at a side corner of the top of the base plate (1), and the motor (117), the first electric telescopic rod (110) and the second electric telescopic rod (125) are all electrically connected to an external power source via the control panel (130).

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