A cylinder head clogging detection device

Abstract

A cylinder head plug detection device belongs to the field of engine manufacturing technology. The front end of the inspection station on the conveyor line is equipped with a blocking mechanism, the rear end with a rear inspection mechanism, and the lower end with a lifting mechanism. A three-way positioning detection mechanism is mounted on the frame of the conveyor line, corresponding to and cooperating with the left, right, and upper sides of the inspection station. This invention has low manufacturing cost and strong adaptability. It uses a distance sensor to check for plugs, increasing the overall production line output from 20 units / hour to 23 units / hour. This solves the problem of long workpiece handling time for robotic arms and improves the overall operating efficiency of the production line. It also solves the problem of interference caused by misalignment between the robotic arm gripping the workpiece and the plug detection device, leading to equipment failure and cylinder head thread damage.

Description

Technical Field

[0001] This invention relates to a cylinder head plug detection device, belonging to the field of engine manufacturing technology. Background Technology

[0002] The cylinder head machining production line is a fully automated production line. In the existing technology, the second station of the process involves a robot arm picking up the workpiece for plug inspection. This has the problem of long plug inspection time, which in turn causes other stations to wait for the robot arm to complete the plug inspection, affecting the overall process cycle time. Summary of the Invention

[0003] To address the problems existing in the background art, the present invention provides a cylinder head blockage detection device.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a cylinder head plugging detection device, comprising a conveyor line, a blocking mechanism, a lifting mechanism, a three-way positioning detection mechanism, and a rear detection mechanism; the front end of the detection station of the conveyor line is provided with a blocking mechanism, the rear end of the detection station of the conveyor line is provided with a rear detection mechanism, the lower end of the detection station of the conveyor line is provided with a lifting mechanism, and the frame of the conveyor line is provided with a three-way positioning detection mechanism, which is correspondingly and cooperatively arranged with the left and right sides and the upper part of the detection station of the conveyor line.

[0005] Compared with the prior art, the beneficial effects of the present invention are:

[0006] This invention boasts low manufacturing costs and high adaptability. Utilizing a distance sensor to inspect for screw plugs, it increases the overall production line's hourly output from 20 units / hour to 23 units / hour, resolving the issue of long workpiece handling time for robotic arms and improving overall production line efficiency. Simultaneously, it addresses the problem of interference caused by misalignment between the robotic arm's workpiece gripping and the screw plug detection device, leading to equipment malfunctions and damage to cylinder head threads. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the structure of the present invention;

[0008] Figure 2 yes Figure 1 The main view;

[0009] Figure 3 This is a schematic diagram of the blocking mechanism;

[0010] Figure 4 This is a schematic diagram of the lifting mechanism;

[0011] Figure 5 This is a schematic diagram of the three-way positioning and detection mechanism;

[0012] Figure 6This is a schematic diagram of the rear inspection mechanism;

[0013] Figure 7 This is a schematic diagram of the cylinder head to be tested;

[0014] Figure 8 yes Figure 7 Top view. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0016] A cylinder head plugging detection device includes a conveyor line 1, a blocking mechanism 3, a lifting mechanism 4, a three-way positioning detection mechanism 5, and a rear detection mechanism 6. The lower part of the front end of the detection station of the conveyor line 1 is provided with a blocking mechanism 3, which blocks the workpiece at the conveyor line station. The blocking mechanism 3 is a telescopic rod that prevents the cylinder head 2 to be inspected from continuing to move forward into the station. The lower part of the rear end of the detection station of the conveyor line 1 is provided with a rear detection mechanism 6, which is a detection mechanism for the rear water jacket screw plug hole at the conveyor line station. The lower end of the detection station of the conveyor line 1 is provided with a lifting mechanism 4, which lifts the workpiece at the conveyor line station to a certain height for final positioning, providing a precise positional basis for further inspection. The frame of the conveyor line 1 is provided with a three-way positioning detection mechanism 5, which is correspondingly and cooperatively arranged with the left and right sides and the upper part of the detection station of the conveyor line 1.

[0017] The blocking mechanism 3 includes a blocking mechanism mounting plate 301 and a blocking mechanism cylinder 302. The left and right ends of the blocking mechanism mounting plate 301 are connected to the left and right sides of the lower end of the frame of the conveyor line 1 by corresponding bolts. The lower end of the middle part of the blocking mechanism mounting plate 301 is fixedly connected to the cylinder body of the vertically arranged blocking mechanism cylinder 302 by bolts. The piston rod of the blocking mechanism cylinder 302 is located at the upper end of the blocking mechanism mounting plate 301.

[0018] The piston rod of the blocking mechanism cylinder 302 extends to block the cylinder cover 2 to be tested from entering the work station, and then retracts to release the cylinder cover 2 to be tested.

[0019] A rubber ring 305 is fitted on the outer side of the piston rod end of the blocking mechanism cylinder 302. The rubber ring 305 protects the cylinder head 2 to be tested from direct contact and damage.

[0020] A blocking guide sleeve 303 is fitted on the outer side of the piston rod of the blocking mechanism cylinder 302. The lower end of the blocking guide sleeve 303 is fixedly connected to the upper end of the middle part of the blocking mechanism mounting plate 301 by corresponding bolts. The blocking guide sleeve 303 restricts the linear movement of the piston rod of the blocking mechanism cylinder 302, making the movement of the blocking mechanism cylinder 302 more stable.

[0021] The lifting mechanism 4 includes a base plate connecting plate 401, a base plate 402, a lifting cylinder 403, a lifting platform 406, a cylinder head support plate 407, and a cylinder head positioning pin 408. The base plate 402 is bolted to the lower end of the conveyor line body 1 frame via four Z-shaped base plate connecting plates 401 arranged in an array. The lower end of the middle part of the base plate 402 is bolted to the cylinder body of the vertically arranged lifting cylinder 403. The piston rod of the lifting cylinder 403 is horizontally aligned with the cylinder body. The middle part of the lifting platform 406 is fixedly connected by bolts. The lifting platform 406 is set on the upper end of the base plate 402, and cylinder head support plates 407 are vertically fixed at both the front and rear ends of the lifting platform 406. Each cylinder head support plate 407 has a cylinder head positioning pin 408 on its top surface. The lower part of the cylinder head positioning pin 408 is threaded and threadedly connected to the groove of the cylinder head support plate 407. The two cylinder head positioning pins 408 are set to correspond to the positioning holes of the cylinder head 2 to be tested.

[0022] The left and right ends of the lower surface of the lifting platform 406 are bolted with lifting guide posts 405, and the left and right ends of the lower surface of the base plate 402 are bolted with lifting guide sleeves 404. Each lifting guide post 405 is slidably disposed in the corresponding lifting guide sleeve 404. The lifting guide sleeve 404 restricts the linear movement of the lifting guide post 405, so that the lifting mechanism 4 moves more smoothly.

[0023] The three-directional positioning and detection mechanism 5 includes an upper positioning unit, an air intake side positioning unit, and an exhaust side positioning unit. The upper positioning unit includes an upper direction detection base plate 501, an upper direction detection upright plate 502, an upper direction detection bracket 503, and an air intake side laser rangefinder 504. The air intake side positioning unit includes an air intake side clamping positioning plate 505, an air intake side clamping cylinder 506, and an air intake side clamping push plate 507. The exhaust side positioning unit includes an exhaust side clamping positioning plate 508, an exhaust side clamping cylinder 509, an exhaust side mounting bracket 510, an exhaust side clamping push plate 511, and an exhaust side laser rangefinder 51. 2; The upper direction detection base plate 501 is horizontally set, and its inner end is fixedly connected to the lower end of the frame of the conveyor line 1 by bolts. The outer end of the upper direction detection base plate 501 is vertically fixedly connected to the lower end of the upper direction detection upright plate 502 by bolts. The upper end of the upper direction detection upright plate 502 is fixedly connected to the horizontal plate of the L-shaped upper direction detection bracket 503 by bolts. The vertical plate of the upper direction detection bracket 503 is provided with two vertical air intake side laser ranging sensors 504 by bolts. The two air intake side laser ranging sensors 504 are set one-to-one with the two upper water jacket screw plug holes 202 of the cylinder head 2 to be tested.

[0024] The intake side clamping and positioning plate 505 is horizontally set and is fixedly connected to the upper end of the conveyor line body 1 frame corresponding to the intake side of the cylinder head 2 to be tested by bolts. The upper end of the intake side clamping and positioning plate 505 is fixed with a horizontally set intake side clamping cylinder 506 by bolts. The piston rod of the intake side clamping cylinder 506 is fixedly connected to the intake side clamping push plate 507 by bolts.

[0025] The exhaust-side clamping positioning plate 508 is horizontally arranged and is fixedly connected to the upper end of the frame of the conveyor line body 1 corresponding to the exhaust side of the cylinder head 2 to be tested by bolts. The upper end of the exhaust-side clamping positioning plate 508 is fixed with an n-shaped exhaust-side mounting bracket 510 and a horizontally arranged exhaust-side clamping cylinder 509 by bolts. The exhaust-side mounting bracket 510 bridges across the exhaust-side clamping cylinder 509 and is bolted to the exhaust-side clamping positioning plate 508 at both ends. The piston rod of the exhaust-side clamping cylinder 509 is fixedly connected to the exhaust-side clamping push plate 511 by bolts. The upper end of the exhaust-side mounting bracket 510 is fixed with two horizontally positioned exhaust-side laser ranging sensors 512. The two exhaust-side laser ranging sensors 512 are arranged one-to-one with the two exhaust-side water jacket plug holes 201 of the cylinder head 2 to be tested.

[0026] The three-way positioning and detection mechanism 5 roughly positions the cylinder head 2 to be tested at the conveyor line station. Then, the lifting mechanism 4 is lifted and positioned under the drive of the lifting cylinder 403. The two intake-side laser rangefinders 504 and the two exhaust-side laser rangefinders 512 at the top of the three-way positioning and detection mechanism 5 complete the detection.

[0027] The rear detection mechanism 6 includes a rear detection mounting plate 601, a rear detection cylinder 602, a rear detection connecting plate 603, an L-shaped connecting plate 604, and a rear laser ranging sensor 605. The left and right ends of the rear detection mounting plate 601 are connected to the left and right sides of the lower end of the frame of the conveyor line 1 by corresponding bolts. The lower end of the middle part of the rear detection mounting plate 601 is fixedly connected to the horizontal plate of the L-shaped connecting plate 604 by bolts. The L-shaped connecting plate 604 is located near the cylinder head 2 to be detected. The vertical plate of the L-shaped connecting plate 604 is fixedly connected to the cylinder body of the vertically arranged rear detection cylinder 602 by bolts. The piston rod of the rear detection cylinder 602 is fixedly connected to the rear detection connecting plate 603. The rear detection connecting plate 603 is fixed with a horizontally positioned rear laser ranging sensor 605. The rear laser ranging sensor 605 is correspondingly positioned with the rear water jacket plug hole 203 of the cylinder head 2 to be detected.

[0028] The five sensors in this invention belong to the same model. The sensors are used for distance measurement and to detect the presence of a water jacket plug in the corresponding plug hole.

[0029] In this invention, the cylinder head 2 to be tested is sent to the workstation via the conveyor line 1. The cylinders on the intake and exhaust sides of the three-position positioning and detection mechanism 5 perform coarse positioning by clamping, and the lifting mechanism 4 completes fine positioning. Two exhaust-side laser rangefinders 512 on the exhaust side, two intake-side laser rangefinders 504 on the top, and a rear laser rangefinder 605 measure the actual distance to the screw plug holes on the workpiece, and the results are compared with the judgment value.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of the equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A cylinder head plug detection device, characterized in that: The system includes a conveyor line (1), a blocking mechanism (3), a lifting mechanism (4), a three-way positioning detection mechanism (5), and a rear detection mechanism (6). The front end of the detection station of the conveyor line (1) is equipped with a blocking mechanism (3), the rear end of the detection station of the conveyor line (1) is equipped with a rear detection mechanism (6), the lower end of the detection station of the conveyor line (1) is equipped with a lifting mechanism (4), and the frame of the conveyor line (1) is equipped with a three-way positioning detection mechanism (5). The three-way positioning detection mechanism (5) is correspondingly and cooperatively arranged with the left and right sides and the upper part of the detection station of the conveyor line (1). The three-way positioning detection mechanism (5) includes an upper positioning unit, an air intake side positioning unit, and an exhaust side positioning unit. The upper positioning unit includes an upper direction detection base plate (501), an upper direction detection upright plate (502), an upper direction detection bracket (503), and an air intake side laser ranging sensor (504). The air intake side positioning unit includes an air intake side clamping positioning plate (504). 505), intake side clamping cylinder (506) and intake side clamping push plate (507); the exhaust side positioning unit includes exhaust side clamping positioning plate (508), exhaust side clamping cylinder (509), exhaust side mounting bracket (510), exhaust side clamping push plate (511) and exhaust side laser ranging sensor (512); the upper direction detection base plate (501) is horizontally set, and its inner end is fixedly connected to the lower end of the frame of the conveyor line (1), the upper direction detection base plate (505) The outer end of 501) is vertically fixedly connected to the lower end of the upper direction detection plate (502). The upper end of the upper direction detection plate (502) is fixedly connected to the horizontal plate of the L-shaped upper direction detection bracket (503). The vertical plate of the upper direction detection bracket (503) is provided with two air intake side laser range sensors (504). The two air intake side laser range sensors (504) are set one-to-one with the two upper water jacket screw plug holes (202) of the cylinder head (2) to be tested. The intake side clamping positioning plate (505) is horizontally set and is fixedly connected to the upper end of the frame of the conveyor line (1) corresponding to the intake side of the cylinder head (2) to be tested. The upper end of the intake side clamping positioning plate (505) is fixed with a horizontally set intake side clamping cylinder (506). The piston rod of the intake side clamping cylinder (506) is fixedly connected to the intake side clamping push plate (507). The exhaust-side clamping positioning plate (508) is horizontally set and fixedly connected to the upper end of the frame of the conveyor line (1) corresponding to the exhaust side of the cylinder head (2) to be tested. An n-shaped exhaust-side mounting bracket (510) and a horizontally set exhaust-side clamping cylinder (509) are fixed to the upper end of the exhaust-side clamping positioning plate (508). The piston rod of the exhaust-side clamping cylinder (509) is fixedly connected to the exhaust-side clamping push plate (511). Two exhaust-side laser ranging sensors (512) are fixed to the upper end of the exhaust-side mounting bracket (510). The two exhaust-side laser ranging sensors (512) are set one-to-one with the two exhaust-side water jacket screw plug holes (201) of the cylinder head (2) to be tested.

2. The cylinder head clogging inspection device according to claim 1, characterized by: The blocking mechanism (3) includes a blocking mechanism mounting plate (301) and a blocking mechanism cylinder (302); the left and right ends of the blocking mechanism mounting plate (301) are connected to the left and right sides of the lower end of the frame of the conveyor line (1), the middle part of the blocking mechanism mounting plate (301) is fixedly connected to the cylinder body of the vertically arranged blocking mechanism cylinder (302), and the piston rod of the blocking mechanism cylinder (302) is arranged at the upper end of the blocking mechanism mounting plate (301).

3. The device of claim 2, wherein: A rubber ring (305) is fitted on the outer side of the piston rod end of the blocking mechanism cylinder (302).

4. The device of claim 3, wherein: A blocking guide sleeve (303) is fitted on the outside of the piston rod of the blocking mechanism cylinder (302), and the lower end of the blocking guide sleeve (303) is fixedly connected to the middle of the blocking mechanism mounting plate (301).

5. A cylinder head plugging detection device according to claim 2 or 4, characterized in that: The lifting mechanism (4) includes a base plate connecting plate (401), a base plate (402), a lifting cylinder (403), a lifting platform (406), a cylinder head support plate (407), and a cylinder head positioning pin (408); the base plate (402) is fixedly connected to the lower end of the frame of the conveyor line (1) through four Z-shaped base plate connecting plates (401) arranged in an array, and the middle part of the base plate (402) is fixedly connected to the cylinder body of the vertically arranged lifting cylinder (403). The piston rod of the lifting cylinder (403) is fixedly connected to the middle of the horizontally arranged lifting platform (406). The lifting platform (406) is set at the upper end of the base plate (402), and cylinder head support plates (407) are vertically fixed at both the front and rear ends of the lifting platform (406). Each cylinder head support plate (407) has a cylinder head positioning pin (408) on its top surface. The two cylinder head positioning pins (408) are set in correspondence with the positioning holes of the cylinder head (2) to be tested.

6. The device of claim 5, wherein: The lower surface of the lifting platform (406) is provided with lifting guide posts (405) at both ends, and the lower surface of the base plate (402) is provided with lifting guide sleeves (404) at both ends. Each lifting guide post (405) is slidably disposed in the corresponding lifting guide sleeve (404).

7. The device of claim 6, wherein: The rear detection mechanism (6) includes a rear detection mounting plate (601), a rear detection cylinder (602), a rear detection connecting plate (603), an L-shaped connecting plate (604), and a rear laser rangefinder (605). The left and right ends of the rear detection mounting plate (601) are connected to the left and right sides of the lower end of the frame of the conveyor line (1). The middle part of the rear detection mounting plate (601) is fixedly connected to the horizontal plate of the L-shaped connecting plate (604). The vertical plate of the L-shaped connecting plate (604) is fixedly connected to the cylinder body of the vertically arranged rear detection cylinder (602). The piston rod of the rear detection cylinder (602) is fixedly connected to the rear detection connecting plate (603). The rear detection connecting plate (603) is fixed with the rear laser rangefinder (605). The rear laser rangefinder (605) is correspondingly set with the rear water jacket screw plug hole (203) of the cylinder cover (2) to be tested.

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