CN219714221U

CN219714221U - Length and outer diameter large tolerance size detection device

Info

Publication number: CN219714221U
Application number: CN202320569028.1U
Authority: CN
Inventors: 王雷
Original assignee: Zhejiang Shuanghong Technology Co ltd
Current assignee: Zhejiang Shuanghong Technology Co ltd
Priority date: 2023-03-18
Filing date: 2023-03-18
Publication date: 2023-09-19
Anticipated expiration: 2033-03-18

Abstract

The utility model relates to a length and outer diameter large tolerance dimension detection device which comprises a workpiece placement table, wherein a support upright post is arranged on the workpiece placement table, a driving air cylinder is arranged on the support upright post, a pneumatic measuring head is arranged on an output rod of the driving air cylinder, the pneumatic measuring head is vertically downwards arranged, and the pneumatic measuring head is used for being connected to a pneumatic measuring instrument.

Description

Length and outer diameter large tolerance size detection device

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a detection device for a large tolerance size of length and outer diameter.

Background

Shaft parts are common mechanical production parts in mechanical production.

In the production process of the parts, in order to ensure the subsequent normal use of the parts, the outer diameter of the parts is often required to be detected, and the detection of the shaft parts is currently finished by manually measuring a plurality of times through a micrometer, a vernier caliper and the like, but the mode causes the labor intensity of the detection of workers to be high, the detection efficiency is lower, and therefore, certain improvement exists.

Disclosure of Invention

In order to improve the detection efficiency, the utility model provides a length and outer diameter large tolerance dimension detection device.

The utility model provides a length and outer diameter large tolerance size detection device which adopts the following technical scheme:

the utility model provides a length and big tolerance size detection device of external diameter, includes that the work piece is placed the platform, the work piece is placed and is provided with the support post on the platform, install the drive cylinder on the support post, install pneumatic gauge head on the output pole of drive cylinder, pneumatic gauge head is vertical to be set up downwards, pneumatic gauge head is used for being connected to the pneumatic gauge.

Optionally, the support post is last to be fixedly provided with the supporting shoe, follow its vertical direction slidable mounting on the supporting shoe and have the installation piece, the actuating cylinder is fixed on the installation piece.

Optionally, the middle part of supporting shoe has seted up the forked tail spout along its vertical direction, be provided with on the installation piece with forked tail slider of forked tail spout adaptation, the lock bolt is installed to the side screw thread of supporting shoe, lock bolt's tip stretches into in the forked tail spout with the forked tail slider offsets.

Optionally, scale marks are arranged on the side edges of the supporting blocks along the vertical direction.

Optionally, a driving block is slidably mounted on the cylinder body of the driving cylinder along the vertical direction, the pneumatic measuring head is fixed on the driving block, and an output rod of the driving cylinder is connected to the driving block.

Optionally, the pneumatic gauge head includes pneumatic block and sliding plug installs the gauge rod on pneumatic block, be provided with first runner, second runner and be used for linking the first detection conical surface of first runner and second runner in the pneumatic block, the tip of gauge rod is provided with the second detection conical surface with first detection conical surface complex, first runner is used for being connected to the pneumatic measuring instrument through the pipe.

Optionally, the reset spring is installed to cup joint on the gauge stick, the detecting head is installed to the tip of gauge stick, reset spring cup joints and installs on the gauge stick, reset spring's one end is contradicted on the pneumatic block, reset spring's the other end is contradicted on the detecting head.

Optionally, the pneumatic block includes first piece and second piece, the pneumatic block passes through first piece with the second piece is spliced each other and is formed, first runner and first detection conical surface set up on first piece, the probe rod slip grafting is on the second piece, first chamber has been seted up on the first piece, the second chamber has been seted up on the second piece, first chamber with the second chamber is spliced and is formed the second runner, the air vent has been seted up on the first piece, the air vent is used for keeping second runner and external intercommunication.

Optionally, the work piece is placed the platform and is installed the centre gripping frock, the centre gripping frock is provided with including two at least intervals and places the piece, place and offered V type groove on the piece, the work piece is placed the bench and is provided with the spliced eye, the bottom of placing the piece is provided with the spliced eye complex grafting piece, place the piece and place the bench through the bolt fastening at the work piece.

Optionally, handles are installed on two sides of the workpiece placement table.

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

1. according to the utility model, the workpiece is placed on the workpiece placing table, the length and the outer diameter of the shaft workpiece can be detected by the pneumatic measuring head and the air momentum instrument by changing the placing direction of the workpiece, a mode of manual caliper detection is abandoned, the manual labor intensity is effectively reduced, and the detection efficiency is improved.

2. The length and outer diameter large tolerance dimension detection device is integrally arranged on the workpiece placing table, and the workpiece placing table can realize transportation through the lifting handle, and is small in size and convenient to carry.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a large tolerance dimension detection device for length and outer diameter.

Fig. 2 is a schematic view of the installation of the pneumatic gauge head.

Fig. 3 is a schematic structural view of the pneumatic gauge head.

Fig. 4 is a schematic view of a first state of the pneumatic gauge head.

Fig. 5 is a schematic view of a second state of the pneumatic gauge head.

Fig. 6 is an installation schematic diagram of the clamping fixture.

Reference numerals illustrate: 1. a workpiece placement table; 2. a support column; 3. a driving cylinder; 4. a pneumatic gauge head; 41. a pneumatic block; 411. a first block; 412. a second block; 413. a first chamber; 414. a second chamber; 415. a vent hole; 42. a detection rod; 43. a first flow passage; 44. a second flow passage; 45. a first detection cone; 46. a second detection cone; 47. sliding anti-falling blocks; 48. a return spring; 49. a probe; 5. a support block; 6. a mounting block; 7. dovetail grooves; 8. dovetail slide blocks; 9. a locking bolt; 10. scale marks; 11. a driving block; 12. clamping a tool; 121. placing a block; 122. a V-shaped groove; 123. a plug block; 13. a plug hole; 14. a handle.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

The utility model provides a length and big tolerance size detection device of external diameter, refers to the fig. 1 and shows, including work piece placement table 1, be provided with support column 2 on the work piece placement table 1, install actuating cylinder 3 on the support column 2, install pneumatic gauge head 4 on actuating cylinder 3's the output pole, pneumatic gauge head 4 is vertical to set up down, pneumatic gauge head 4 is used for being connected to the pneumatic gauge.

According to the utility model, the shaft workpiece to be measured is placed on the workpiece placement table 1, the zero position state of the detection device is adjusted, the pneumatic measuring head 4 is driven by the driving cylinder 3 to be in contact with the workpiece to be measured, the size of the workpiece to be measured can be known through the pneumatic measuring instrument, the outer diameter size can be measured by transversely placing the workpiece to be measured, and the length size can be measured by vertically placing the workpiece to be measured, so that the mode of manual caliper detection is abandoned, the manual labor intensity is effectively reduced, and the detection efficiency is improved.

Referring to fig. 2, a support block 5 is fixedly arranged on the support column 2, a mounting block 6 is slidably mounted on the support block 5 along the vertical direction of the support block, and the driving cylinder 3 is fixed on the mounting block 6. Wherein, the middle part of supporting shoe 5 has seted up forked tail spout 7 along its vertical direction, is provided with the forked tail slider 8 with forked tail spout 7 adaptation on the installation piece 6, and locking bolt 9 is installed to the side screw thread of supporting shoe 5, and locking bolt 9's tip stretches into in the forked tail spout 7 in order to offset with forked tail slider 8. It should be noted that the side edge of the supporting block 5 is provided with graduation marks 10 along the vertical direction.

The cylinder body of the driving cylinder 3 is provided with a driving block 11 in a sliding manner along the vertical direction, the pneumatic measuring head 4 is fixed on the driving block 11, and the output rod of the driving cylinder 3 is connected to the driving block 11.

Referring to fig. 3, 4 and 5, the air gauge head 4 includes an air block 41 and a detection rod 42, the air block 41 is fixed on the driving block 11, the detection rod 42 is slidably inserted and mounted on the air block 41, a first flow channel 43, a second flow channel 44 and a first detection conical surface 45 for connecting the first flow channel 43 and the second flow channel 44 are arranged in the air block 41, a second detection conical surface 46 matched with the first detection conical surface 45 is arranged at the end of the detection rod 42, and the first flow channel 43 is connected to the air gauge through a conduit.

The pneumatic block 41 comprises a first block 411 and a second block 412, the pneumatic block 41 is formed by mutually splicing the first block 411 and the second block 412, the first block 411 and the second block 412 are fixed on the driving block 11 through bolts, the first runner 43 and the first detection conical surface 45 are arranged on the first block 411, the detection rod 42 is slidably inserted on the second block 412, the first block 411 is provided with a first cavity 413, the second block 412 is provided with a second cavity 414, the first cavity 413 and the second cavity 414 are in butt joint to form a second runner 44, the first block 411 is provided with a vent 415, the vent 415 is used for keeping the second runner 44 communicated with the outside, the detection rod 42 is provided with a sliding anti-drop block 47, and the sliding anti-drop block 47 is positioned in the second cavity 414.

Wherein, cup joint and install reset spring 48 on the probe rod 42, the tip of probe rod 42 is installed and is surveyed the head 49, and reset spring 48 cup joints and installs on probe rod 42, and reset spring 48's one end is contradicted on pneumatic block 41, and reset spring 48's the other end is contradicted on the head 49.

Referring to fig. 6, a workpiece placement table 1 is provided with a clamping tool 12, the clamping tool 12 comprises at least two placement blocks 121 arranged at intervals, V-shaped grooves 122 are formed in the placement blocks 121, plug holes 13 are formed in the workpiece placement table 1, plug blocks 123 matched with the plug holes 13 are arranged at the bottoms of the placement blocks 121, and the placement blocks 121 are fixed on the workpiece placement table 1 through bolts.

Referring to fig. 6, handles 14 are attached to both sides of the work placement stage 1.

The working principle of the utility model is described as follows:

when the outer diameter of a shaft workpiece to be detected is required to be detected, the clamping tool 12 is arranged on the workpiece placing table 1, firstly, a standard workpiece is required to be horizontally placed on the clamping tool 12, the detection device is adjusted, the detection device is in a zero state, the driving cylinder 3 drives the pneumatic measuring head 4 to move downwards, the detecting rod 42 is in contact with the standard workpiece, air flows through the first detecting conical surface 45 and the second detecting conical surface 46 through the first flow channel 43, the pneumatic measuring instrument can measure one reading through measuring the pressure or flow value of the air and processing the air by the sensor, and the pneumatic measuring instrument records the reading to obtain the outer diameter size of the standard workpiece.

Then, the workpiece to be measured can be placed on the clamping tool 12, the driving cylinder 3 drives the pneumatic measuring head 4 to move downwards, the detecting rod 42 is in contact with the workpiece to be measured, when the air flow passes through the first detecting conical surface 45 and the second detecting conical surface 46 through the first flow channel 43, the change of the air pressure or the air flow can be caused due to the change of the gap between the first detecting conical surface 45 and the second detecting conical surface 46, the pneumatic measuring instrument can measure a new reading through measuring the change of the pressure or the air flow value and processing the new reading through the sensor, so that the outer diameter size of the workpiece to be measured is obtained, and the outer diameter size of the workpiece to be measured is compared with the outer diameter size of the standard workpiece.

If the length of the shaft workpiece to be detected is required to be detected, the shaft workpiece is directly and vertically placed by detaching the clamping tool 12, and the detection steps are repeated, so that the length and the size of the workpiece can be measured, and the operation is convenient.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The length and outer diameter large tolerance size detection device is characterized by comprising a workpiece placement table (1), wherein a support column (2) is arranged on the workpiece placement table (1), a driving air cylinder (3) is arranged on the support column (2), a pneumatic measuring head (4) is arranged on an output rod of the driving air cylinder (3), the pneumatic measuring head (4) is vertically downwards arranged, and the pneumatic measuring head (4) is used for being connected to a pneumatic measuring instrument;

the pneumatic measuring head (4) comprises a pneumatic block (41) and a detection rod (42) which is inserted and installed on the pneumatic block (41) in a sliding mode, a first flow channel (43), a second flow channel (44) and a first detection conical surface (45) which is used for connecting the first flow channel (43) and the second flow channel (44) are arranged in the pneumatic block (41), a second detection conical surface (46) which is matched with the first detection conical surface (45) is arranged at the end portion of the detection rod (42), and the first flow channel (43) is used for being connected to a pneumatic measuring instrument through a guide pipe.

2. The large-tolerance dimension detection device for the length and the outer diameter according to claim 1, wherein a supporting block (5) is fixedly arranged on the supporting upright post (2), a mounting block (6) is slidably arranged on the supporting block (5) along the vertical direction of the supporting block, and the driving cylinder (3) is fixed on the mounting block (6).

3. The large-tolerance dimension detection device for the length and the outer diameter according to claim 2, wherein a dovetail chute (7) is formed in the middle of the supporting block (5) along the vertical direction of the supporting block, a dovetail sliding block (8) matched with the dovetail chute (7) is arranged on the mounting block (6), a locking bolt (9) is arranged on the side thread of the supporting block (5), and the end part of the locking bolt (9) extends into the dovetail chute (7) to be propped against the dovetail sliding block (8).

4. The large tolerance dimension detecting device for length and outer diameter according to claim 2, wherein the side edge of the supporting block (5) is provided with graduation marks (10) along the vertical direction.

5. The large-tolerance dimension detection device for the length and the outer diameter according to claim 1, wherein a driving block (11) is slidably mounted on a cylinder body of the driving cylinder (3) along a vertical direction, the pneumatic measuring head (4) is fixed on the driving block (11), and an output rod of the driving cylinder (3) is connected to the driving block (11).

6. The large-tolerance dimension detection device for the length and the outer diameter according to claim 1, wherein a return spring (48) is sleeved on the detection rod (42), a detection head (49) is installed at the end part of the detection rod (42), the return spring (48) is sleeved on the detection rod (42), one end of the return spring (48) is abutted against the pneumatic block (41), and the other end of the return spring (48) is abutted against the detection head (49).

7. The device for detecting the size of the large tolerance of the length and the outer diameter according to claim 1, wherein the pneumatic block (41) comprises a first block (411) and a second block (412), the pneumatic block (41) is formed by mutually splicing the first block (411) and the second block (412), the first runner (43) and the first detection conical surface (45) are arranged on the first block (411), the detection rod (42) is slidably inserted on the second block (412), the first block (411) is provided with a first cavity (413), the second block (412) is provided with a second cavity (414), the first cavity (413) and the second cavity (414) are spliced to form the second runner (44), the first block (411) is provided with a vent hole (415), and the vent hole (415) is used for keeping the second runner (44) communicated with the outside.

8. The large-tolerance dimension detection device for the length and the outer diameter according to claim 1, wherein the workpiece placement table (1) is provided with a clamping tool (12), the clamping tool (12) comprises at least two placement blocks (121) arranged at intervals, V-shaped grooves (122) are formed in the placement blocks (121), plug holes (13) are formed in the workpiece placement table (1), plug blocks (123) matched with the plug holes (13) are formed in the bottoms of the placement blocks (121), and the placement blocks (121) are fixed on the workpiece placement table (1) through bolts.

9. The large tolerance dimension detecting device for length and outer diameter according to claim 1, wherein handles (14) are installed on both sides of the work placement table (1).