CN212432074U

CN212432074U - Digital display type pneumatic measuring instrument

Info

Publication number: CN212432074U
Application number: CN202021466471.9U
Authority: CN
Inventors: 杨丽丽
Original assignee: Hangzhou Xingnuo Auto Parts Co ltd
Current assignee: Hangzhou Xingnuo Auto Parts Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-01-29
Anticipated expiration: 2030-07-22

Abstract

The application relates to the field of mechanical measurement, in particular to a digital display type pneumatic measuring instrument, which comprises four supporting legs, a base, a machine body, a measuring head and a hose, wherein a lifting rod penetrating through the base is erected on the base, and the measuring head is vertically arranged on the lifting rod; the base is rotatably connected with a vertical rotating shaft penetrating through the base, the upper end of the rotating shaft is fixedly connected with a rotating plate, the upper surface of the rotating plate is provided with a plurality of accommodating grooves, and the accommodating grooves are aligned with the measuring head one by one in the rotating process of the rotating plate; and a power mechanism for driving the rotating plate to intermittently rotate and driving the measuring head to insert and separate from the steel pipe is further arranged below the base, and when the rotating plate completes one intermittent rotation intermittent time division, the measuring head completes one insertion and separation relative to the steel pipe. Compared with the prior art, the scheme has the advantages that the operation of workers is facilitated, and the detection efficiency of the inner diameter of the steel pipe is improved.

Description

Digital display type pneumatic measuring instrument

Technical Field

The present application relates to the field of mechanical measurement, and more particularly, to a digital display air gauge.

Background

The digital display pneumatic measuring instrument is a precision instrument specially used for measuring the dimensional characteristics of aperture, external diameter, thickness and roundness, and is widely applied to the mechanical precision machining industry, in particular to the production detection of mass-produced automobile parts and the measurement of the cold machine industry.

If the patent with publication number CN207798035U, this patent provides a pneumatic measuring instrument, can use the comparative measurement method to measure the size of work piece, have air supply portion, host computer, measuring head and measuring head placing table, air supply portion can supply compressed gas and be connected with the host computer, the host computer has the display part, the display part can show the result of measuring the work piece, the measuring head is connected with the host computer, and compressed gas can spout from the gas circuit of measuring head via the host computer, the measuring head placing table can place the measuring head, the measuring head placing table has measuring head accommodating part, pedestal portion and air supply cutting off portion, measuring head accommodating part and pedestal portion are the components of a whole that can function independently formation.

Although the above-mentioned pneumatic measurement appearance can conveniently place the measuring head of different shapes at the measuring head and place the bench, when the staff used pneumatic measurement appearance to measure the steel pipe internal diameter, generally bare-handed gripping measuring head measured the steel pipe one by one, when the steel pipe quantity of awaiting measuring is more, the staff not only need manually change the steel pipe one by one, still need frequently take the measuring head manually just to and insert in the steel pipe, this kind of measuring mode brings a great deal of inconvenience for staff's operation, has seriously reduced the detection efficiency to the steel pipe internal diameter.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the operation of staff, improve the detection efficiency to the steel pipe internal diameter, this application provides a digital display air gauge.

The application provides a digital display air gauge adopts following technical scheme:

a digital display type pneumatic measuring instrument comprises four vertical supporting legs, a base fixedly connected to the upper ends of the four supporting legs, a machine body arranged on the base, a measuring head arranged on the machine body, and a hose connected between the machine body and the measuring head, wherein a lifting rod penetrating through the base and sliding up and down on the base is erected on the base, and the measuring head is vertically arranged on the lifting rod; the base is rotatably connected with a vertical rotating shaft penetrating through the base, the upper end of the rotating shaft is fixedly connected with a rotating plate for bearing the steel pipes, the upper surface of the rotating plate is provided with a plurality of accommodating grooves for the steel pipes to be inserted and attached with the steel pipes, and the accommodating grooves are aligned with the measuring heads one by one in the rotating process of the rotating plate; and a power mechanism for driving the rotating plate to intermittently rotate and driving the measuring head to insert and separate from the steel pipe is further arranged below the base, and when the rotating plate completes one intermittent rotation intermittent time division, the measuring head completes one insertion and separation relative to the steel pipe.

Through adopting above-mentioned technical scheme, when the internal diameter of steel pipe needs to be detected, the staff at first inserts a plurality of steel pipes that wait to detect respectively in the holding tank, and manual rotatory rotor plate makes one of them steel pipe just to the measuring head simultaneously, and the staff starts the organism and orders about rotor plate intermittent type nature rotatory and order about the lifter intermittent type nature through power unit and go up and down next, accomplishes the intermittent type time sharing of an intermittent type pivoted when the rotor plate, and the measuring head will all accomplish once inserting and breaking away from of relative steel pipe to the completion is to the measurement of steel pipe internal diameter. Compared with the prior art, the scheme has the advantages that the operation of workers is facilitated through the arrangement of the rotating shaft, the rotating plate, the containing groove, the lifting rod and the power mechanism, and the detection efficiency of the inner diameter of the steel pipe is improved.

Preferably, power unit is including rotating the vertical driving shaft of connection in the base below, fixed cover is established at epaxial first action wheel and second action wheel of driving, fixed cover is established at the driven gear of pivot lower extreme, link firmly and be used for intermittent type nature to stir the rotatory plectrum of driven gear on first action wheel, link firmly at lifter lower extreme and the guide block that the cross-section is the V-arrangement, link firmly on the second action wheel and with the driving lever of guide block lower surface butt, fixed cover is established and is used for the spacing ring of restriction lifter height on the lifter, and be located the base below and be used for driving the rotatory motor of driving shaft.

Through adopting above-mentioned technical scheme, the staff can the starter motor come synchronous rotation first action wheel and second action wheel, the plectrum will be along with first action wheel synchronous revolution and intermittence stir driven gear, the pivot, synchronous intermittent type nature rotation can be realized to rotor plate and steel pipe, the driving lever will be along with second action wheel synchronous revolution and intermittence jack-up guide block simultaneously, the guide block will descend after the driving lever slides the minimum of guide block lower surface, synchronous intermittent type nature lift can be realized to lifter and measuring head. The rotating plate completes the intermittent time division of one intermittent rotation, and the measuring head completes the insertion and the separation of the steel pipe. The principle of the power mechanism is ingenious, and the operation of workers is convenient.

Preferably, the deflector rod is rotatably sleeved with a rotating cylinder abutted against the lower surface of the guide block.

Through adopting above-mentioned technical scheme, the rotary drum can become the rolling friction of rotary drum with the sliding friction part between driving lever and the guide block lower surface, has reduced the resistance that the driving lever received when the jack-up guide block to a certain extent, and the rising of guide block will be more smooth.

Preferably, the side wall of the lifting rod is sleeved with a lantern ring connected with the measuring head in a sliding mode, and the lantern ring is connected with a first bolt used for abutting against the side wall of the lifting rod in a threaded mode.

By adopting the technical scheme, when the height of the steel pipe to be measured changes, a worker can slide the lantern ring to adjust the initial height position of the measuring head, so that the measuring head can be smoothly inserted into the steel pipe and separated from the steel pipe in the lifting process. After the measuring head is adjusted to a proper position, the worker rotates the first bolt to abut against the side wall of the lifting rod.

Preferably, link firmly the horizontally outer pole on the lantern ring, the outer pole is kept away from the one end of lantern ring and is slided and inlay and be equipped with interior pole, and the interior pole is kept away from one end of outer pole and is linked firmly the clip that is used for the centre gripping measuring head, and threaded connection has the second bolt that is used for supporting tight interior pole lateral wall on the outer pole.

Through adopting above-mentioned technical scheme, the staff can slide interior pole and adjust the horizontal position of clip and measuring head, makes the measuring head can just to the central line of holding tank, and the measuring head will be more difficult to supported by the steel pipe. After the horizontal positions of the clamp and the measuring head are adjusted, the worker rotates the second bolt to abut against the side wall of the inner rod tightly. The arrangement of the outer rod, the inner rod and the second bolt enables the measuring head to be smoothly inserted into and separated from the steel pipe, and the use flexibility of the device is improved.

Preferably, the base is provided with a through hole through which the lifting rod passes and the cross section of which is square, and the side wall of the lifting rod is tightly attached to the inner wall of the through hole.

Through adopting above-mentioned technical scheme, the horizontal rotation of lifter has been restricted to the inner wall of through-hole to make the measuring head just to the steel pipe all the time at the in-process that goes up and down, reduced the dislocation probability of measuring head and steel pipe, make the measurement of steel pipe internal diameter can be more smooth.

Preferably, the upper surface of the fixing plate is provided with marks corresponding to the accommodating grooves one to one.

Through adopting above-mentioned technical scheme, the rotor plate rotates the in-process, and the staff can be according to the mark will measure unqualified steel pipe and take notes, and the staff of being convenient for registers and screens unqualified steel pipe after the measurement work is finished.

Preferably, the notch department of holding tank is the flaring setting.

Through adopting above-mentioned technical scheme, the flaring setting of holding tank notch department can play the guide effect when the steel pipe inserts the holding tank for the steel pipe can insert the holding tank more conveniently and smoothly in, has made things convenient for staff's operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the rotating shaft, the rotating plate, the accommodating groove, the lifting rod and the power mechanism facilitates the operation of workers and improves the detection efficiency of the inner diameter of the steel pipe;

2. the setting of the lantern ring and the first bolt enables the initial height position of the measuring head to be adjustable, and the measuring head can be smoothly inserted into and separated from the steel pipe in the lifting process;

3. the setting of outer pole, interior pole, clip and second bolt for the horizontal position of measuring head can be adjusted, and the measuring head will be more difficult to supported by the steel pipe, has improved the flexibility that the device used.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a support leg; 2. a base; 3. a body; 4. a measuring head; 5. a hose; 6. a through hole; 7. a lifting rod; 8. a clip; 9. a rotating shaft; 10. a rotating plate; 11. accommodating grooves; 12. a drive shaft; 13. a first drive wheel; 14. a driven gear; 15. a shifting sheet; 16. a second drive wheel; 17. a guide block; 18. a deflector rod; 19. a rotating drum; 20. a limiting ring; 21. a motor; 22. marking; 23. a collar; 24. a first bolt; 25. an outer rod; 26. an inner rod; 27. a second bolt; 28. and (5) steel pipes.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1, the digital display type pneumatic measuring instrument comprises four vertical supporting legs 1, a base 2 fixedly connected to the upper ends of the four supporting legs 1, a machine body 3 arranged on the base 2, a measuring head 4 arranged on the machine body 3, and a hose 5 connected between the machine body 3 and the measuring head 4. After the measuring head 4 is inserted into the steel tube 28, the operator opens the machine body 3 and supplies compressed gas to the measuring head 4 through the hose 5, and finally the gas is ejected from the gas path of the measuring head 4 to measure the inner diameter of the steel tube 28, and the operator can obtain the measurement data of the inner diameter of the steel tube 28 through the display part on the machine body 3.

Referring to fig. 1, a through hole 6 with a square cross section and communicated with the upper surface and the lower surface of the base 2 is formed in the base 2, a lifting rod 7 is tightly attached to the through hole 6 in a sliding mode, and a clamp 8 used for vertically clamping the measuring head 4 is connected to the upper end of the lifting rod 7. The base 2 is connected with a vertical rotating shaft 9 penetrating through the base 2 in a rotating manner, the upper end of the rotating shaft 9 is fixedly connected with a rotating plate 10 with a circular cross section and coaxial with the rotating shaft 9, eight accommodating grooves 11 used for embedding steel pipes 28 and fitting with the side walls of the steel pipes 28 are formed in the rotating plate 10, the eight steel pipes 28 are distributed on the rotating plate 10 at equal angles and intervals, and the eight steel pipes 28 are opposite to the measuring head 4 one by one in the rotating process. The notch department of eight holding tanks 11 all is the flaring setting. The lower surface of base 2 rotates and is connected with a vertical driving shaft 12, fixed cover on the lateral wall of driving shaft 12 is equipped with a first action wheel 13 with the driving shaft 12 coaxial line, the fixed cover of lower extreme of pivot 9 is equipped with a driven gear 14 with the pivot 9 coaxial line, tooth's socket on the driven gear 14 and the position one-to-one of eight holding tanks 11, link firmly a plectrum 15 that is used for intermittent type nature to stir driven gear 14 rotatory on the lateral wall of first action wheel 13. A second driving wheel 16 coaxial with the driving shaft 12 is fixedly sleeved on the side wall of the driving shaft 12, the lower end of the lifting rod 7 is fixedly connected with a guide block 17 with a V-shaped cross section, a driving lever 18 used for intermittently abutting against the lower surface of the guide block 17 is fixedly connected to the side wall of the second driving wheel 16, and a rotary drum 19 used for reducing friction between the driving lever 18 and the guide block 17 is sleeved on the driving lever 18 in a rotating mode. In order to make the shift lever 18 smoothly abut against the guide block 17, a limit ring 20 for abutting against the upper surface of the base 2 is fixedly sleeved on the side wall of the lifting rod 7. The base 2 is also provided with a motor 21 for driving the driving shaft 12 to rotate, and the motor 21 is connected with a power supply through an electric wire. The driving shaft 12, the first driving wheel 13, the driven gear 14, the shifting piece 15, the second driving wheel 16, the guide block 17, the shifting rod 18, the limiting ring 20 and the motor 21 form a power mechanism. When the inner diameter of the steel pipe 28 needs to be detected, a worker firstly inserts the eight steel pipes 28 to be detected into the accommodating groove 11 respectively, simultaneously manually rotates the rotating plate 10 to enable one of the steel pipes 28 to face the measuring head 4 and insert the measuring head 4 into the steel pipe 28, then the worker starts the machine body 3 and the motor 21, the motor 21 drives the driving shaft 12 to rotate and drives the first driving wheel 13 and the second driving wheel 16 to synchronously rotate, the first driving wheel 13 rotates to drive the poking piece 15 to intermittently insert into the tooth space on the driven gear 14 and drive the driven gear 14 to rotate, the rotating shaft 9, the rotating plate 10 and the steel pipe 28 intermittently rotate, simultaneously the second driving wheel 16 rotates to drive the poking rod 18 to intermittently abut against the lower surface of the guide block 17 and jack up the guide block 17, after the poking rod 18 slides across the lowest part of the lower surface of the guide block 17, the guide block 17 gradually descends, and the lifting rod 7 and the measuring, in the intermittent time when the rotating plate 10 completes one intermittent rotation, the measuring head 4 completes one insertion and separation with respect to the steel pipe 28 and simultaneously completes the measurement of the inner diameter of the inserted steel pipe 28. With the intermittent rotation of the rotating plate 10, the measuring head 4 will perform the inner diameter detection of the eight steel pipes 28 one by one.

In the detection process, in order to facilitate the staff to record the detection condition of the steel pipe 28, the upper surface of the rotating plate 10 is further provided with marks 22 corresponding to the eight accommodating grooves 11 one by one.

Referring to fig. 1 and 2, a collar 23 is slidably sleeved on an outer side wall of the lifting rod 7, and a first bolt 24 for tightly abutting against the side wall of the lifting rod 7 is connected to the outer side wall of the collar 23 in a threaded manner. A horizontal outer rod 25 is further fixedly connected to one side wall of the lantern ring 23 facing the rotating plate 10, an inner rod 26 is embedded in one end, far away from the lantern ring 23, of the outer rod 25 in a sliding mode, the clamp 8 is fixedly connected to one end, far away from the outer rod 25, of the inner rod 26, and a second bolt 27 used for abutting against the side wall of the inner rod 26 is connected to the outer side wall of the outer rod 25 in a threaded mode. When the height of the steel pipe 28 to be measured changes, the worker can slide the collar 23 to adjust the initial height position of the measuring head 4, so that the measuring head 4 can be smoothly inserted into and separated from the steel pipe 28 during the lifting process. After the measuring head 4 is adjusted to a proper position, the worker rotates the first bolt 24 to tightly abut against the side wall of the lifting rod 7. Meanwhile, the worker can slide the outer rod 25 to adjust the horizontal position of the measuring head 4, so that the worker can conveniently align the measuring head 4 to the accommodating groove 11. When the horizontal position of the measuring head 4 is properly adjusted, the worker rotates the second bolt 27 to tightly abut against the side wall of the inner rod 26.

The implementation principle of the embodiment is as follows: when the inner diameter of the steel pipe 28 needs to be detected, a worker firstly inserts the eight steel pipes 28 to be detected into the accommodating groove 11 respectively, simultaneously manually rotates the rotating plate 10 to enable one of the steel pipes 28 to face the measuring head 4 and insert the measuring head 4 into the steel pipe 28, then the worker starts the machine body 3 and the motor 21, the motor 21 drives the driving shaft 12 to rotate and drives the first driving wheel 13 and the second driving wheel 16 to synchronously rotate, the first driving wheel 13 rotates to drive the poking piece 15 to intermittently insert into the tooth space on the driven gear 14 and drive the driven gear 14 to rotate, the rotating shaft 9, the rotating plate 10 and the steel pipe 28 intermittently rotate, simultaneously the second driving wheel 16 rotates to drive the poking rod 18 to intermittently abut against the lower surface of the guide block 17 and jack up the guide block 17, after the poking rod 18 slides across the lowest part of the lower surface of the guide block 17, the guide block 17 gradually descends, and the lifting rod 7 and the measuring, in the intermittent time when the rotating plate 10 completes one intermittent rotation, the measuring head 4 completes one insertion and separation with respect to the steel pipe 28 and simultaneously completes the measurement of the inner diameter of the inserted steel pipe 28. With the intermittent rotation of the rotating plate 10, the measuring head 4 will perform the inner diameter detection of the eight steel pipes 28 one by one.

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

1. The utility model provides a digital display air gauge, includes four vertical landing legs (1), links firmly base (2) in four landing legs (1) upper ends, sets up organism (3) on base (2), sets up measuring head (4) on organism (3) to and hose (5) of connection between organism (3) and measuring head (4), its characterized in that: a lifting rod (7) which penetrates through the base (2) and slides up and down on the base (2) is vertically arranged on the base (2), and the measuring head (4) is vertically arranged on the lifting rod (7); the base (2) is rotatably connected with a vertical rotating shaft (9) penetrating through the base (2), the upper end of the rotating shaft (9) is fixedly connected with a rotating plate (10) used for bearing a steel pipe (28), the upper surface of the rotating plate (10) is provided with a plurality of accommodating grooves (11) for the steel pipe (28) to be inserted into and attached to the steel pipe (28), and the accommodating grooves (11) are aligned to the measuring head (4) one by one in the rotating process of the rotating plate (10); a power mechanism for driving the rotating plate (10) to intermittently rotate and driving the measuring head (4) to insert and separate from the steel pipe (28) is arranged below the base (2), and when the rotating plate (10) completes the intermittent time division of one intermittent rotation, the measuring head (4) completes one insertion and separation relative to the steel pipe (28).

2. A digital display air gauge according to claim 1, wherein: the power mechanism comprises a vertical driving shaft (12) rotatably connected below the base (2), a first driving wheel (13) and a second driving wheel (16) fixedly sleeved on the driving shaft (12), a driven gear (14) fixedly sleeved at the lower end of the rotating shaft (9), a shifting sheet (15) fixedly connected to the first driving wheel (13) and used for intermittently shifting the driven gear (14) to rotate, a guide block (17) fixedly connected to the lower end of the lifting rod (7) and having a V-shaped cross section, a shifting rod (18) fixedly connected to the second driving wheel (16) and abutted to the lower surface of the guide block (17), a limiting ring (20) fixedly sleeved on the lifting rod (7) and used for limiting the height of the lifting rod (7), and a motor (21) located below the base (2) and used for driving the driving shaft (12) to rotate.

3. A digital display air gauge according to claim 2, wherein: and a rotary drum (19) abutted against the lower surface of the guide block (17) is rotatably sleeved on the shifting lever (18).

4. A digital display air gauge according to claim 1, wherein: the side wall of the lifting rod (7) is slidably sleeved with a sleeve ring (23) connected with the measuring head (4), and the sleeve ring (23) is connected with a first bolt (24) used for tightly abutting against the side wall of the lifting rod (7) in a threaded manner.

5. The digital display air gauge according to claim 4, wherein: the thimble structure is characterized in that a horizontal outer rod (25) is fixedly connected to the thimble (23), an inner rod (26) is embedded into one end, away from the thimble (23), of the outer rod (25), the inner rod (26) is fixedly connected with a clamp (8) used for clamping the measuring head (4) at one end, away from the outer rod (25), of the inner rod (26), and a second bolt (27) used for abutting against the side wall of the inner rod (26) is connected to the outer rod (25) in a threaded manner.

6. A digital display air gauge according to claim 1, wherein: the base (2) is provided with a through hole (6) which is used for the lifting rod (7) to pass through and has a square cross section, and the side wall of the lifting rod (7) is tightly attached to the inner wall of the through hole (6).

7. A digital display air gauge according to claim 1, wherein: the rotating plate (10) is provided with marks (22) which correspond to the accommodating grooves (11) one to one.

8. A digital display air gauge according to claim 1, wherein: the notch of the accommodating groove (11) is flared.