Automobile lining servo detection equipment

Abstract

The utility model discloses an automobile lining servo detection device comprising a machine table, a U-shaped mounting rack is fixedly arranged on the upper portion of the machine table, an outer diameter detection device is slidably arranged in the middle of the mounting rack, and a displacement detection device is arranged at the bottom of the mounting rack. A degumming detection device is arranged on the top of the mounting frame and at a position opposite to the displacement detection device; the outer diameter detection device comprises a measuring frame arranged in the middle of the mounting frame in a sliding mode, two measuring clamping jaws are arranged on the front portion of the measuring frame in a sliding mode, and a horizontal first air cylinder is arranged at the outer side end of one measuring clamping jaw. A telescopic rod of each first air cylinder extends into the corresponding measuring clamping jaw, and the end of each telescopic rod is fixedly connected with one end of a connecting rod. According to the utility model, the automatic integrated detection of the outer diameter, the inner pipe height and the degumming of the automobile bushing is realized, the human input is reduced, and the working efficiency of the batch detection operation of the automobile bushing is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile bushing production and detection, in particular to an automobile bushing servo detection device. Background Art

[0002] Automobile bushings mainly play a role in buffering and isolating the suspension system. Existing automobile bushings mainly include an outer sleeve, an inner sleeve, and a rubber layer formed between the outer sleeve and the inner shaft tube by vulcanization. During the production and processing stage of automobile bushings, testing the finished product is an important work content. The testing items mainly include the outer diameter of the outer tube, the length specification of the inner tube, and the anti-debonding performance of the rubber layer. At present, the size specification detection of the outer tube and the inner tube of the bushing is mainly measured manually using a vernier caliper, and the debonding performance uses a separate pressurized detection device. This detection operation method requires a large amount of manpower and has low work efficiency. Therefore, a servo detection device for automobile bushings is developed. Utility Model Content

[0003] The utility model aims to provide an automobile bushing servo detection device to solve the technical problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses an automobile bushing servo detection device, comprising a machine platform, a U-shaped mounting frame is fixedly arranged on the upper part of the machine platform, an outer diameter detection device is slidably arranged in the middle part of the mounting frame, a displacement detection device is arranged at the bottom of the mounting frame, and a debonding detection device is arranged at the top of the mounting frame at a position directly facing the displacement detection device.

[0006] The outer diameter detection device includes a measuring frame slidably arranged in the middle of the mounting frame, and two measuring jaws are slidably arranged at the front of the measuring frame, wherein a horizontal first cylinder is arranged at the outer end of one of the measuring jaws, and a telescopic rod of the first cylinder extends into the corresponding measuring jaw and the end is fixedly connected to one end of a connecting rod, and the other end of the connecting rod is fixedly connected to the inner end of the other measuring jaw; a magnetic scale for sensing the moving distance of the two measuring jaws is arranged on the upper part of the measuring frame.

[0007] The displacement detection device includes a second cylinder vertically arranged inside the machine, the telescopic end of the second cylinder is fixedly connected to the lower end of the push rod, the upper end of the push rod is fixedly provided with a center positioning rod, the center positioning rod is adapted to the through hole of the inner tube of the automobile bushing, and a lower displacement sensor for detecting the displacement of the push rod is also arranged inside the machine; a pressure sensor is arranged on the upper surface of the bottom of the mounting frame, and a connecting seat is arranged on the upper part of the pressure sensor.

[0008] The debonding detection device comprises a servo electric cylinder fixedly arranged on the top upper surface of the mounting frame, a pressure head is fixedly arranged on the telescopic end of the servo electric cylinder, and an upper displacement sensor for detecting the displacement of the pressure head is also arranged on the mounting frame.

[0009] Furthermore, a horizontal first slide rail is fixedly provided on the measuring frame, and a first sliding block adapted to the first slide rail is fixedly provided on the two measuring clamping jaws respectively.

[0010] Furthermore, a lifting and adjusting seat is slidably provided on the inner side of the mounting frame, and the measuring frame is slidably provided on the lifting and adjusting seat; a transmission box is provided on the inner side of the mounting frame near the top, and a horizontal driving shaft and a vertical driving shaft sleeve are rotatably provided on the transmission box, one end of the driving shaft is located outside the transmission box and a handwheel is provided on the end, and a group of meshing bevel gears are sleeved on the end of the driving shaft located inside the transmission box and the upper end of the driving shaft sleeve, an internal thread is provided on the inner circumferential wall of the driving shaft sleeve and a screw shaft threadedly connected thereto is provided, the lower end of the screw shaft is fixedly connected to a connecting block fixedly provided on the top of the lifting and adjusting seat, and a vertical third cylinder is provided on the connecting block, and the driving shaft of the third cylinder is fixedly connected to the top of the measuring frame.

[0011] Furthermore, two vertical second slide rails are symmetrically fixed on the inner side of the mounting frame, and two second sliders that slide with the two second slide rails are respectively provided on the side of the lifting and adjusting seat close to the mounting frame; two vertical third slide rails are symmetrically fixed on the other side of the lifting and adjusting seat, and two third sliders that are compatible with the two third slide rails are provided on the back side of the measuring frame.

[0012] Furthermore, it also includes a unloading device arranged at the bottom of the lifting and adjusting seat, and the unloading device includes a discharge seat fixedly arranged at the bottom of the lifting and adjusting seat, and a horizontal fourth cylinder is arranged at the outer end of the discharge seat, and the telescopic end of the fourth cylinder is fixedly connected to a push plate slidably arranged on the upper part of the discharge seat.

[0013] Furthermore, a fourth slide rail is fixedly provided on the upper portion of the discharge seat, and a fourth sliding block adapted to the fourth slide rail is provided on the push plate.

[0014] Furthermore, the machine is fixedly provided with a material discharge channel at a position close to the connecting seat and opposite to the pushing plate.

[0015] Furthermore, it also includes an infrared sensor arranged on the machine platform and close to the connecting seat.

[0016] Compared with the prior art, the beneficial technical effects of the utility model are:

[0017] When the utility model is working, the automobile bushing 19 to be tested is installed on the central positioning rod in a set manner, and the lower end of the outer tube of the automobile bushing contacts the upper end surface of the mounting seat, and the lower end of the inner tube of the automobile bushing contacts the upper end surface of the push rod. The two measuring jaws are moved toward each other by contracting the telescopic rod of the first cylinder until the two measuring jaws respectively abut against the two side ends of the outer tube of the automobile bushing, and the outer diameter size of the automobile bushing is detected based on the displacement of the two measuring jaws. After that, the servo electric cylinder drives the pressure head to move downward until the pressure head contacts the upper end of the inner tube of the automobile bushing, and the height size of the inner tube of the automobile bushing is detected based on the preliminary displacement data of the pressure head. After the inner tube height detection is completed, the servo electric cylinder continues to move downward, and the second cylinder shrinks downward synchronously with the servo electric cylinder, so that the inner tube of the automobile bushing between the pressure head and the push rod moves downward, a certain relative displacement is generated between the pressure head and the outer tube, the middle rubber layer is deformed, and the pressure sensor monitors the pressure information of the bushing. After the downward pressure operation of the inner tube of the bushing is completed, the pressure head of the servo electric cylinder is initially reset, and it can be detected and determined whether the rubber layer of the bushing is debonded. Therefore, the utility model realizes the automatic integrated detection of the outer diameter, inner tube height and debonding of the automobile bushing, reduces the manpower input, and effectively improves the work efficiency of the batch detection operation of the automobile bushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the outer diameter detection device of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the displacement detection device of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the degumming detection device of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the feeding device of the utility model;

[0024] Explanation of the accompanying drawings: 1. machine table; 2. mounting frame; 3. measuring frame; 4. measuring jaws; 5. first slide rail; 6. first slider; 7. first cylinder; 8. connecting rod; 9. magnetic scale; 10. second cylinder; 11. ejector rod; 12. center positioning rod; 13. lower displacement sensor; 14. pressure sensor; 15. connecting seat; 16. servo electric cylinder; 17. pressure head; 18. upper displacement sensor; 19. automobile bushing; 20. lifting and lowering adjustment seat; 21. second slide rail; 22. second slider; 23. third slide rail; 24. third slider; 25. transmission box; 26. driving shaft; 27. hand wheel; 28. screw shaft; 29. ​​connecting block; 30. third cylinder; 31. discharge seat; 32. fourth cylinder; 33. push plate; 34. fourth slide rail; 35. fourth slider; 36. unloading channel; 37. electric door; 38. infrared sensor. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 5 As shown, an automobile bushing servo detection device comprises a machine platform 1, and a U-shaped mounting frame 2 is fixedly mounted on the upper part of the machine platform 1. An outer diameter detection device is slidably arranged in the middle of the mounting frame, a displacement detection device is arranged at the bottom of the mounting frame, and a debonding detection device is arranged at the top of the mounting frame at a position directly facing the displacement detection device.

[0026] The outer diameter detection device includes a measuring frame 3 slidably mounted in the middle of the mounting frame 2, and two measuring jaws 4 are slidably mounted on the front of the measuring frame 3. Specifically: a horizontal first slide rail 5 is fixedly mounted on the measuring frame 3, and a first slider 6 adapted to the first slide rail 5 is fixedly mounted on the two measuring jaws 4. A horizontal first cylinder 7 is mounted on the outer end of one of the measuring jaws 4, and the telescopic rod of the first cylinder 7 extends into the corresponding measuring jaw 4 and the end is fixedly connected to one end of a connecting rod 8. The telescopic rod of the first cylinder 6 and the connecting rod 8 are both matched with the gap of the hole opened in the corresponding measuring jaw 4. The other end of the connecting rod 8 is fixedly connected to the inner end of the other measuring jaw 4. A magnetic scale 9 for sensing and measuring the moving distance of the two measuring jaws 4 is installed on the upper part of the measuring frame 3.

[0027] The displacement detection device includes a second cylinder 10 vertically installed inside the machine 1, the telescopic end of the second cylinder 10 is fixedly connected to the lower end of the push rod 11, and the upper end of the push rod 11 is fixedly installed with a center positioning rod 12 that coincides with its axis, the outer diameter of the push rod 11 is larger than the outer diameter of the center positioning rod 12, and the center positioning rod is compatible with the through hole of the inner tube of the automobile bushing. A lower displacement sensor 13 for detecting the displacement of the push rod 10 is also installed inside the machine 1. A pressure sensor 14 is installed on the upper surface of the bottom of the mounting frame 2 on the outside of the push rod, and a connecting seat 15 is installed on the upper part of the pressure sensor 14.

[0028] The debonding detection device includes a servo electric cylinder 16 fixedly mounted on the top upper surface of the mounting frame 2, a pressure head 17 is fixedly mounted on the telescopic end of the servo electric cylinder 16, and an upper displacement sensor 18 for detecting the displacement of the pressure head 17 is also installed on the mounting frame 2.

[0029] When the utility model is working, the automobile bushing 19 to be tested is installed on the center positioning rod in a set manner, and the lower end of the outer tube of the automobile bushing contacts the upper end surface of the mounting seat, and the lower end of the inner tube of the automobile bushing contacts the upper end surface of the push rod. First, the telescopic rod of the first cylinder is contracted to make the two measuring jaws move toward each other until the two measuring jaws respectively abut against the two side ends of the outer tube of the automobile bushing. The magnetic scale transmits the displacement data of the two measuring jaws to the computer of the machine. The computer converts the displacement data of the measuring jaws according to the preset program to determine whether the outer diameter size of the automobile bushing is qualified. After that, the servo electric cylinder drives the pressure head to move downward until the pressure head contacts the upper end of the inner tube of the automobile bushing. The first displacement sensor transmits the initial displacement information of the pressure head to the computer of the machine. The computer converts the pressure head displacement data to determine whether the height size of the inner tube of the automobile bushing is qualified. After the inner tube height detection is completed, the servo electric cylinder continues to move downward, and the second cylinder contracts downward synchronously with the servo electric cylinder, so that the inner tube of the automobile bushing between the pressure head and the push rod moves downward, and a certain relative displacement is generated between the inner tube and the outer tube. The middle rubber layer is deformed, and the pressure sensor transmits the pressure information of the bushing to the computer display screen. After completing the downward pressing operation on the inner tube of the bushing, the pressure head of the servo electric cylinder is initially reset to determine whether the rubber layer of the bushing is debonded.

[0030] As a further improvement of the present invention: a lifting and adjusting seat 20 is slidably provided on the inner side of the mounting frame 2, and the measuring frame 3 is slidably provided on the lifting and adjusting seat 20. Specifically: two vertical second slide rails 21 are symmetrically fixedly provided on the inner side of the mounting frame 2, and two second sliders 22 are respectively slidably matched with the two second slide rails 21 on the side of the lifting and adjusting seat 20 close to the mounting frame 2. Two vertical third slide rails 23 are symmetrically fixedly provided on the other side of the lifting and adjusting seat 20, and two third sliders 24 matched with the two third slide rails 23 are provided on the back side of the measuring frame 3.

[0031] A transmission box 25 is fixedly installed at the inner side of the mounting frame near the top, and a horizontal drive shaft 26 and a vertical drive sleeve are rotatably installed on the transmission box 25. One end of the drive shaft 26 is located outside the transmission box 25 and a hand wheel 27 is installed at the end. A set of meshing bevel gears are sleeved on one end of the drive shaft located inside the transmission box 25 and the upper end of the drive sleeve. An internal thread is provided on the inner peripheral wall of the drive sleeve and a screw shaft 28 threadedly connected thereto is installed. The lower end of the screw shaft 28 is fixedly connected to a connecting block 29 fixedly installed on the top of the lifting and adjusting seat 26. A vertical third cylinder 30 is installed on the connecting block 29. The drive shaft of the third cylinder 30 is fixedly connected to the top of the measuring frame 3. A through hole is provided on the top of the mounting frame 2 at a position directly facing the third cylinder 30.

[0032] The utility model also includes a material unloading device arranged at the bottom of the lifting and adjusting seat 20, and the material unloading device includes a material unloading seat 31 fixedly installed at the bottom of the lifting and adjusting seat 20, and a horizontal fourth cylinder 32 is installed at the outer end of the material unloading seat 31, and the telescopic end of the fourth cylinder 21 is fixedly connected to a push plate 33 slidably installed on the upper part of the material unloading seat 31. A fourth slide rail 34 is fixedly installed on the upper part of the material unloading seat 31, and a fourth slider 35 adapted to the fourth slide rail 34 is installed on the push plate 33.

[0033] Through the above arrangement, firstly, according to the automobile bushings of different lengths and specifications, the hand wheel can be rotated to make the screw shaft move in a vertical direction, so as to adjust the initial height of the lifting adjustment seat and the measuring frame, so that the two measuring jaws of the measuring frame can be adaptively aligned with the automobile bushings of different specifications to be tested. In addition, after the inspection of the automobile bushing is completed, the third cylinder contracts to make the measuring frame move upward and leave the position where the automobile bushing is located, and at this time the fourth cylinder extends to push out the automobile bushing placed on the connecting seat through the push plate.

[0034] The machine 1 is fixedly provided with a feeding channel 36 at a position close to the connecting seat 15 and opposite to the pushing plate 33. The pushing plate 33 pushes the automobile bushing from the connecting seat 15 into the feeding channel 36. In addition, a reversible electric door 37 is installed near the upper end of the feeding channel, and a bad product collection area is provided at the lower part of the electric door 37. If the tested product is qualified, the electric door 37 is in a closed state, and the automobile bushing pushed by the pushing plate 33 is discharged from the feeding channel 36. If the tested product is unqualified, the electric door is flipped upward and opened, thereby closing the feeding channel, and the automobile bushing pushed by the pushing plate 33 enters the bad product collection area at the lower part of the electric door 37.

[0035] The utility model also includes an infrared sensor 38 installed on the machine 1 and close to the connecting seat 15. The transmitting end of the infrared sensor is facing the placement position of the automobile bushing on the connecting seat, so as to detect whether the automobile bushing is placed on the connecting seat to avoid the occurrence of idling of the equipment.

[0036] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An automobile bushing servo detection device, characterized in that: The machine comprises a platform, a U-shaped mounting frame is fixedly arranged on the upper part of the platform, an outer diameter detection device is slidably arranged in the middle part of the mounting frame, a displacement detection device is arranged at the bottom of the mounting frame, and a debonding detection device is arranged at the top of the mounting frame at a position directly facing the displacement detection device; The outer diameter detection device comprises a measuring frame slidably arranged in the middle of the mounting frame, two measuring jaws are slidably arranged at the front of the measuring frame, a horizontal first cylinder is arranged at the outer end of one of the measuring jaws, a telescopic rod of the first cylinder extends into the corresponding measuring jaw and the end is fixedly connected to one end of a connecting rod, and the other end of the connecting rod is fixedly connected to the inner end of the other measuring jaw; a magnetic scale for sensing the moving distance of the two measuring jaws is arranged on the upper part of the measuring frame; The displacement detection device includes a second cylinder vertically arranged inside the machine, the telescopic end of the second cylinder is fixedly connected to the lower end of the push rod, the upper end of the push rod is fixedly provided with a center positioning rod, the center positioning rod is adapted to the through hole of the inner tube of the automobile bushing, and the inside of the machine is also provided with a lower displacement sensor for detecting the displacement of the push rod; a pressure sensor is provided on the upper surface of the bottom of the mounting frame, and a connecting seat is provided on the upper part of the pressure sensor; The debonding detection device comprises a servo electric cylinder fixedly arranged on the top upper surface of the mounting frame, a pressure head is fixedly arranged on the telescopic end of the servo electric cylinder, and an upper displacement sensor for detecting the displacement of the pressure head is also arranged on the mounting frame.

2. The automobile bushing servo detection device according to claim 1, characterized in that: A horizontal first slide rail is fixedly arranged on the measuring frame, and a first sliding block matched with the first slide rail is fixedly arranged on the two measuring clamping jaws respectively.

3. The automobile bushing servo detection device according to claim 1, characterized in that: A lifting and adjusting seat is slidably provided on the inner side of the mounting frame, and the measuring frame is slidably provided on the lifting and adjusting seat; a transmission box is provided on the inner side of the mounting frame near the top, and a horizontal driving shaft and a vertical driving shaft sleeve are rotatably provided on the transmission box, one end of the driving shaft is located outside the transmission box and a hand wheel is provided on the end thereof, and a group of meshing bevel gears are sleeved on one end of the driving shaft located inside the transmission box and the upper end of the driving shaft sleeve, an internal thread is provided on the inner circumferential wall of the driving shaft sleeve and a screw shaft threadedly connected thereto is provided, the lower end of the screw shaft is fixedly connected to a connecting block fixedly provided on the top of the lifting and adjusting seat, and a vertical third cylinder is provided on the connecting block, and the driving shaft of the third cylinder is fixedly connected to the top of the measuring frame.

4. The automobile bushing servo detection device according to claim 3, characterized in that: Two vertical second slide rails are symmetrically fixed on the inner side of the mounting frame, and two second sliders that slide with the two second slide rails are respectively arranged on the side of the lifting and adjusting seat close to the mounting frame; two vertical third slide rails are symmetrically fixed on the other side of the lifting and adjusting seat, and two third sliders that are adapted to the two third slide rails are arranged on the back side of the measuring frame.

5. The automobile bushing servo detection device according to claim 3, characterized in that: It also includes a unloading device arranged at the bottom of the lifting and adjusting seat, and the unloading device includes a discharge seat fixedly arranged at the bottom of the lifting and adjusting seat, and a horizontal fourth cylinder is arranged at the outer end of the discharge seat, and the telescopic end of the fourth cylinder is fixedly connected to a push plate slidably arranged on the upper part of the discharge seat.

6. The automobile bushing servo detection device according to claim 5, characterized in that: A fourth slide rail is fixedly arranged on the upper portion of the discharging seat, and a fourth sliding block matched with the fourth slide rail is arranged on the pushing plate.

7. The automobile bushing servo detection device according to claim 5, characterized in that: The machine platform is fixedly provided with a material discharge channel at a position close to the connecting seat and opposite to the pushing plate.

8. The automobile bushing servo detection device according to claim 1, characterized in that: It also includes an infrared sensor which is arranged on the platform and close to the connecting seat.

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