CN211346746U

CN211346746U - Automatic detection device for outer diameter and height of flexible thin-wall shaft part

Info

Publication number: CN211346746U
Application number: CN201921960798.9U
Authority: CN
Inventors: 王泾; 徐开尧
Original assignee: Wuxi Civi Measurement And Control Technology Co ltd
Current assignee: Wuxi Civi Measurement And Control Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-25
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to an axle type part detection device has easy and simple to handle's effect. The utility model discloses a flexible thin wall axle type part external diameter and high automatic checkout device, including material loading subassembly, external diameter measurement subassembly, height measurement subassembly and the workstation of transportation awaiting measuring piece, height measurement subassembly and external diameter measurement subassembly are fixed on the workstation, the material loading subassembly is including fixing the material loading slip table in workstation one side, the material loading subassembly is provided with the rotatory tight seat of clamp that is used for fixed awaiting measuring piece, the material loading slip table is used for moving the rotatory tight seat of clamp to the detection position. By means of the matching of the height measuring assembly, the outer diameter measuring assembly and the feeding assembly, the height and the outer diameter of the part can be measured simultaneously.

Description

Automatic detection device for outer diameter and height of flexible thin-wall shaft part

Technical Field

The utility model relates to an axle type part detection device, more specifically say, it relates to a flexible thin wall axle type part external diameter and high automatic checkout device.

Background

The shaft parts are important components of a rotary mechanical system, and the quality of the shaft parts is directly related to the service life, stability and safety of the whole mechanism system. The bearing with high quality grade and high precision is produced, and the high-precision and high-efficiency bearing quality detection equipment is ensured besides the reasonable and advanced processing technology.

The existing detection equipment generally detects the outer diameter or the height of the shaft part independently, and cannot detect two parameters simultaneously, so that the same product can be transported and detected twice, and the problem of complex operation exists.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a flexible thin wall axle class part external diameter and high automatic checkout device has easy and simple to handle's effect.

In order to achieve the technical purpose, the utility model provides a following technical scheme: the utility model provides a flexible thin wall axle type part external diameter and high automatic checkout device, is including material loading subassembly, external diameter measurement subassembly, height measurement subassembly and the workstation that transports the piece that awaits measuring, height measurement subassembly and external diameter measurement subassembly are fixed on the workstation, the material loading subassembly is including fixing the material loading slip table in workstation one side, the material loading subassembly is provided with the rotatory tight seat of clamp that is used for fixed piece that awaits measuring, the material loading slip table is used for pressing from both sides the tight seat with the rotation and removes the detection position.

Through adopting above-mentioned technical scheme, will await measuring the piece and place on the tight seat of rotatory clamp, will rotate again and press from both sides tight seat and remove external diameter measurement subassembly and height measurement subassembly department, await measuring the piece and detect, the tight seat rotation of rotatory clamp will await measuring the piece simultaneously, further improves the precision of size, will await measuring the height and the external diameter of piece and measure simultaneously, need not separately detect, has improved the simple operation nature.

Preferably, the outer diameter measuring assembly comprises two fixing columns vertically installed on the workbench, a line of linear displacement sensors are respectively arranged on each fixing column, and the two lines of linear displacement sensors are opposite to each other one by one.

Through adopting above-mentioned technical scheme, place the calibration piece on the rotatory tight seat of clamp, the rotatory tight seat of clamp removes the calibration piece to between two linear displacement sensor, start two sensors, linear displacement sensor just can take notes in the procedure to the distance of calibration piece outer wall, then the rotatory tight seat of clamp is backed off, the staff takes off the calibration piece, change the piece that awaits measuring, two linear displacement sensor read the distance of the piece outer wall that awaits measuring, with the data contrast of calibration piece, if both are in error range, the piece that awaits measuring is judged as the certified products promptly, if data is not in error range, this piece that awaits measuring is the defective products promptly. The two rows of sensors are arranged, multi-point measurement can be achieved, multi-segment data can be obtained, the roundness and the parallelism of a piece to be measured can be measured by means of the rotary clamping seat, and the measuring accuracy is improved.

As preferred, height measuring subassembly is including installing the support column on the workstation, it has the movable block to slide on the support column, be provided with the fixed plate on the movable block, set up the opening of T type in the middle of the fixed plate, the movable block is provided with inserts open-ended slider, the slider slides through linear bearing and fixed plate and is connected, be provided with the gauge head that is used for conflicting the piece that awaits measuring on the fixed plate, be provided with the cylinder with the slider lifting on the fixed plate, be provided with the spring that promotes the slider downwards in the opening of fixed plate, the fixed linear displacement sensor who is provided with the terminal directional slider in fixed plate upper end.

Through adopting above-mentioned technical scheme, the staff places the measuring point of height measurement subassembly with the calibration piece earlier, removes the movable block to the position that is close to the calibration piece, and the perpendicular distance of gauge head to calibration piece is less than 2mm, and the cylinder is retreated, and the slider loses the thrust back of cylinder, under the elasticity of spring and self gravity, will descend to, and the upper surface of gauge head laminating calibration piece starts linear displacement sensor, notes the sensor gauge head to the distance of slider. The cylinder is inflated, the sliding block is lifted up again, the calibration piece is changed into the piece to be detected, the cylinder retreats, the sliding block descends again, the measuring head is attached to the upper surface of the piece to be detected, the linear displacement sensor is started, the height of the piece to be detected is calculated according to the comparison of front data and rear data, and the detection precision is improved.

Preferably, the movable block is provided with two parallel fixed plates, the two fixed plates have the same structure, a clamping block slides on the end face of each fixed plate, the clamping block is used for fixing the measuring head, and the measuring head is in threaded connection with the clamping block.

Through adopting above-mentioned technical scheme, the step type is generally made to axle type part, is provided with two gauge heads on the movable block, can be with a gauge head butt step up end, terminal surface under another gauge head butt step, through the contrast with the calibration piece, whether it is qualified to obtain the step height, has improved detection range.

Preferably, two movable blocks slide on the supporting column, and the movable block structure positioned below is opposite to the movable block structure positioned above.

Through adopting above-mentioned technical scheme, when measuring the big step of part, with the gauge head butt step lower extreme face of the movable block of below, the gauge head butt step up end of the movable block of top, the movable block of below is opposite with the movable block structure of top, therefore the cylinder on the movable block of below can promote the gauge head downwards, and the spring lifts up the gauge head, guarantees that the measurement of step is accurate, has further improved detection range.

Preferably, the rotary clamping seat comprises a sliding seat fixed on the feeding sliding table, a rotatable rotating table is arranged on the sliding seat, a driving motor for driving the rotating table to rotate is arranged on the sliding seat, an output shaft of the driving motor is coaxially linked with a worm, and a worm wheel meshed with the worm is arranged below the rotating table.

By adopting the technical scheme, the rotation of the piece to be measured is realized by means of the matching of the worm and the gear, the multi-point measurement is carried out on the piece to be measured, the measurement range is improved, and the parallelism and the roundness can be measured.

Preferably, a plurality of guide rails are arranged on the workbench, guide blocks sliding along the guide rails are arranged at the bottom ends of the supporting columns and the fixing columns, and a ball screw mechanism driving the supporting columns and the fixing columns to slide along the guide rails is arranged on the workbench.

By adopting the technical scheme, according to the pieces to be measured with different widths, the positions of the linear sensors in the height measuring assembly and the outer diameter measuring assembly need to be adjusted, the distance between the sensors is adjusted by means of the ball screw mechanism, and the measuring range is widened.

Preferably, one side of the feeding sliding table is provided with a marking head for marking a to-be-measured piece, an SPC measuring workstation and an electric cabinet are arranged outside the feeding sliding table, the SPC measuring workstation is connected with the plurality of linear displacement sensors and the marking head in a networking mode, and data measured by the height measuring assembly and the outer diameter measuring assembly are transmitted into the SPC measuring workstation.

Through adopting above-mentioned technical scheme, the piece that awaits measuring moves when marking the head on the material loading slip table, it beats the two-dimensional code to mark the head on the piece that awaits measuring, can save the two-dimensional code that corresponds in the SPC survey work station, the data that height measurement subassembly and external diameter measurement subassembly were measured will directly transmit SPC survey work station, SPC survey work station can upload online database and correspond with the two-dimensional code with data automation, the user is through scanning the two-dimensional code, just can learn the dimensional information of this product, do not need the staff to record the size on paper file, the convenience of operation has been improved.

To sum up, the utility model discloses following effect has been gained:

1. by means of the matching of the height measuring assembly, the outer diameter measuring assembly and the feeding assembly, the height and the outer diameter of the part are measured simultaneously;

2. by means of the cooperation of the movable block and the guide rail, measurement of parts with multiple sizes is achieved.

Drawings

FIG. 1 is a schematic view for showing the overall structure in the present embodiment;

FIG. 2 is a schematic view showing a specific structure of the rotary clamping base in the present embodiment;

FIG. 3 is a schematic view showing the positional relationship between the height measuring unit and the outer diameter measuring unit in the present embodiment;

FIG. 4 is a schematic diagram of a specific structure for the height measuring assembly in the present embodiment;

fig. 5 is a partially enlarged view of a portion a in fig. 4 for showing the fitting relationship between the movable block and the stylus.

In the figure, 1, a workbench; 11. a feeding sliding table; 12. rotating the clamping seat; 13. a sliding seat; 14. a rotating table; 15. a drive motor; 16. a guide rail; 17. a guide block; 18. a ball screw mechanism; 2. fixing a column; 3. a support pillar; 31. a movable block; 32. a fixing plate; 33. an opening; 34. a slider; 35. a measuring head; 36. a cylinder; 37. a spring; 38. a clamping block; 4. marking a head; 5. an SPC measurement workstation; 6. a linear displacement sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b): the utility model provides a flexible thin wall axle class part external diameter and high automatic checkout device, as shown in figure 1, including the material loading subassembly of transportation awaiting measuring piece, external diameter measurement subassembly, height measurement subassembly and workstation 1, height measurement subassembly and external diameter measurement subassembly are fixed on workstation 1, and the material loading subassembly is including fixing the material loading slip table 11 in workstation 1 one side, and the material loading subassembly is provided with the rotatory tight seat 12 of pressing from both sides that is used for fixed awaiting measuring piece, and material loading slip table 11 is used for pressing from both sides the tight seat 12 of rotatory clamp and remove the detection position. The workbench 1 is made of marble, so that the accuracy of a measuring reference is ensured. Only one rotary clamping holder 12 is arranged on the

loading slipway

11, and 3 rotary clamping holders 12 shown in fig. 1 are used to show the working positions they need to be in.

As shown in fig. 2, the rotary clamping seat 12 includes a sliding seat 13 fixed on the feeding sliding table 11, a rotatable rotating table 14 is arranged on the sliding seat 13, a driving motor 15 for driving the rotating table 14 to rotate is arranged on the sliding seat 13, an output shaft of the driving motor 15 is coaxially linked with a worm, a worm wheel meshed with the worm is arranged below the rotating table 14, and the rotation of the workpiece to be tested is realized by the cooperation of the worm wheel and the worm. Meanwhile, the three-jaw chuck for clamping the to-be-measured piece from the inside is arranged on the rotating platform 14, so that the to-be-measured piece is subjected to multi-point measurement, the measurement range is improved, and the parallelism and the roundness can be measured.

As shown in fig. 3, the outer diameter measuring assembly includes two fixed columns 2 vertically installed on the workbench 1, a row of linear displacement sensors 6 is respectively arranged on each fixed column 2, two rows of linear displacement sensors 6 are opposite one to one, the calibration piece is placed on the rotary clamping seat 12, the rotary clamping seat 12 moves the calibration piece to a position between two rows of linear displacement sensors 6, two rows of sensors are started, the distance from the linear displacement sensor 6 to the outer wall of the calibration piece can be recorded in a program, then the rotary clamping seat 12 is moved backwards, the worker takes the calibration piece off and replaces the piece to be measured, two rows of linear displacement sensors 6 read the distance from the outer wall of the piece to be measured, the distance is compared with the data of the calibration piece, if the distance from the two rows of linear displacement sensors is within an error range, the piece to be measured is determined to be an unqualified product, and if. Two rows of sensors are arranged, so that multi-point measurement can be realized, and multi-segment data can be obtained.

As shown in fig. 4 and 5, the height measuring assembly includes a support column 3 installed on the workbench 1, a movable block 31 slides on the support column 3, a fixed plate 32 is arranged on the movable block 31, a T-shaped opening 33 is formed in the middle of the fixed plate 32, the movable block 31 is provided with a slider 34 inserted into the opening 33, the slider 34 slides and is connected with the fixed plate 32 through a linear bearing, a measuring head 35 used for abutting against a to-be-measured piece is arranged on the fixed plate 32, a cylinder 36 for lifting the slider 34 is arranged on the fixed plate 32, a spring 37 for pushing the slider 34 downwards is arranged in the opening 33 of the fixed plate 32, and a linear displacement sensor 6 of which the upper end is fixedly arranged and the tail end points to.

The staff places the measuring point of height measurement subassembly with the calibration earlier, removes the position that is close to the calibration piece with movable block 31, and gauge head 35 is less than 2mm to the vertical distance of calibration piece, and cylinder 36 backsets, and slider 34 loses behind the thrust of cylinder 36, under spring 37's elasticity and self gravity, will descend, and gauge head 35 laminates the upper surface of calibration piece, starts linear displacement sensor 6, notes sensor gauge head 35 to the distance of slider 34. The air cylinder 36 is inflated to lift the sliding block 34 again, the calibration piece is changed into the piece to be detected, the air cylinder 36 retreats, the sliding block 34 descends again, the measuring head 35 is attached to the upper surface of the piece to be detected, the linear displacement sensor 6 is started, the height of the piece to be detected is calculated according to the comparison of the front data and the rear data, and the detection precision is improved.

As shown in fig. 4 and 5, two parallel fixing plates 32 are arranged on the movable block 31, the two fixing plates 32 have the same structure, a clamping block 38 slides on the end surface of each fixing plate 32, the clamping block 38 is used for fixing the measuring head 35, the measuring head 35 is in threaded connection with the clamping block 38, the shaft part is generally made into a step shape, two measuring heads 35 are arranged on the movable block 31, one measuring head 35 can be abutted against the upper end surface of the step, the other measuring head 35 is abutted against the lower end surface of the step, and whether the step height is qualified or not is obtained by comparing with the calibration part.

As shown in fig. 4, two movable blocks 31 slide on the supporting column 3, and the structure of the movable block 31 located below is opposite to that of the movable block 31 located above. When a large step of a part is measured, the measuring head 35 of the lower movable block 31 abuts against the lower end face of the step, the measuring head 35 of the upper movable block 31 abuts against the upper end face of the step, and the structure of the lower movable block 31 is opposite to that of the upper movable block 31, so that the measuring head 35 can be pushed downwards by the air cylinder 36 on the lower movable block 31, the measuring head 35 is lifted by the spring 37, and the step is accurately measured.

As shown in fig. 3, a plurality of guide rails 16 are provided on the workbench 1, the bottom ends of the supporting column 3 and the fixing column 2 are provided with guide blocks 17 sliding along the guide rails 16, the workbench 1 is provided with a ball screw mechanism 18 driving the supporting column 3 and the fixing column 2 to slide along the guide rails 16, the positions of the linear sensors in the height measuring assembly and the outer diameter measuring assembly need to be adjusted according to the pieces to be measured with different widths, and the distance between the sensors is adjusted by means of the ball screw mechanism 18.

As shown in fig. 1, a marking head 4 for marking a code on a piece to be measured is arranged on one side of a feeding sliding table 11, an SPC measuring workstation 5 and an electric cabinet are arranged outside the feeding sliding table 11, the SPC measuring workstation 5 is connected with a plurality of linear displacement sensors 6 and the marking head 4 in a network, data measured by a height measuring assembly and an outer diameter measuring assembly are transmitted into the SPC measuring workstation 5, when the piece to be measured moves to the marking head 4 on the feeding sliding table 11, the two-dimensional code is beaten to marking head 4 on the piece that awaits measuring, can save the two-dimensional code that corresponds in SPC survey workstation 5, the data that height measurement subassembly and external diameter measurement subassembly measured will directly transmit SPC survey workstation 5, SPC survey workstation 5 can upload data automatic to the online database and correspond with the two-dimensional code, the user just can learn the dimensional information of this product through scanning the two-dimensional code, do not need the staff to record the size on paper file.

Claims

1. The utility model provides a flexible thin wall axle type part external diameter and high automatic checkout device which characterized in that: including material loading subassembly, external diameter measurement subassembly, height measurement subassembly and workstation (1) that the transportation awaits measuring piece, height measurement subassembly and external diameter measurement subassembly are fixed on workstation (1), the material loading subassembly is including fixing material loading slip table (11) in workstation (1) one side, the material loading subassembly is provided with the rotatory tight seat (12) of clamp that is used for fixing the piece that awaits measuring, material loading slip table (11) are used for moving rotatory tight seat (12) of clamp to detect the position.

2. The automatic detection device for the outer diameter and the height of the flexible thin-wall shaft part according to claim 1 is characterized in that: the outer diameter measuring assembly comprises two fixing columns (2) vertically mounted on a workbench (1), a line of linear displacement sensors (6) are arranged on each fixing column (2), and the two lines of linear displacement sensors (6) are opposite one to one.

3. The automatic detection device for the outer diameter and the height of the flexible thin-wall shaft part according to claim 2 is characterized in that: the height measuring component comprises a supporting column (3) arranged on the workbench (1), a movable block (31) slides on the supporting column (3), a fixed plate (32) is arranged on the movable block (31), a T-shaped opening (33) is arranged in the middle of the fixed plate (32), a sliding block (34) inserted into the opening (33) is arranged on the movable block (31), the slide block (34) is connected with the fixed plate (32) in a sliding way through a linear bearing, a measuring head (35) used for abutting against the piece to be measured is arranged on the fixing plate (32), the fixed plate (32) is provided with a cylinder (36) for lifting the slide block (34), a spring (37) which pushes the slide block (34) downwards is arranged in the opening (33) of the fixed plate (32), the upper end of the fixed plate (32) is fixedly provided with a linear displacement sensor (6) with the tail end pointing to the sliding block (34).

4. The automatic detection device for the outer diameter and the height of the flexible thin-wall shaft part according to claim 3, characterized in that: the movable block (31) is provided with two parallel fixing plates (32), the two fixing plates (32) are identical in structure, a clamping block (38) slides on the end face of each fixing plate (32), the clamping block (38) is used for fixing a measuring head (35), and the measuring head (35) is in threaded connection with the clamping block (38).

5. The automatic detection device for the outer diameter and the height of the flexible thin-wall shaft part according to claim 4 is characterized in that: two movable blocks (31) slide on the supporting column (3), and the movable block (31) structure below is opposite to the movable block (31) above.

6. The automatic detection device for the outer diameter and the height of the flexible thin-wall shaft part according to claim 5, characterized in that: rotatory clamp holder (12) are including fixing the seat (13) that slides on material loading slip table (11), but be provided with revolving stage (14) of rotation on the seat (13) of sliding, be provided with driving motor (15) of drive revolving stage (14) rotation on the seat (13) of sliding, the coaxial linkage of output shaft of driving motor (15) has the worm, revolving stage (14) below is provided with the worm wheel with worm meshing.

7. The automatic detection device for the outer diameter and the height of the flexible thin-wall shaft part according to claim 6, characterized in that: a plurality of guide rails (16) are arranged on the workbench (1), guide blocks (17) sliding along the guide rails (16) are arranged at the bottom ends of the supporting columns (3) and the fixing columns (2), and ball screw mechanisms (18) driving the supporting columns (3) and the fixing columns (2) to slide along the guide rails (16) are arranged on the workbench (1).

8. The automatic detection device for the outer diameter and the height of the flexible thin-wall shaft part according to claim 7 is characterized in that: material loading slip table (11) one side is provided with and beats mark head (4) of sign indicating number for waiting to measure, material loading slip table (11) are provided with SPC survey workstation (5) and electric cabinet outward, SPC survey workstation (5) and a plurality of linear displacement sensor (6) and beat mark head (4) networking, the data that height measurement subassembly and external diameter measurement subassembly measured spread into SPC survey workstation (5).