A fully automatic laser marking device for gas meter casings

By designing a fully automatic laser marking device for gas meter casings, and utilizing a conveyor belt and positioning plate in conjunction with a laser marking machine, the inconsistency and low efficiency caused by manual marking are solved, achieving a highly efficient and stable automatic marking process.

CN224574893UActive Publication Date: 2026-07-31HANGZHOU LIFUHAO MECHANICAL & ELECTRICAL EQUIP
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU LIFUHAO MECHANICAL & ELECTRICAL EQUIP
Filing Date
2025-08-26
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The current marking process for gas meter casings relies on manual operation, resulting in inconsistent positions, unstable quality, low efficiency, and a large consumption of manual labor.

Method used

A fully automatic laser marking device for gas meter casings was designed. It adopts a combination of conveyor belt, positioning plate and laser marking machine, and realizes automatic positioning and laser marking of gas meter casings through the coordinated control of infrared camera and cylinder.

Benefits of technology

It has enabled fully automated laser marking of gas meter casings, improving product quality and production efficiency while saving labor costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224574893U_ABST
    Figure CN224574893U_ABST
Patent Text Reader

Abstract

This utility model discloses a fully automatic laser marking device for gas meter casings, including a conveyor belt and a controller. A gantry frame is installed along the conveyor belt's path. A transverse cylinder is fixedly installed on the front side of the gantry frame's crossbeam. The output end of the transverse cylinder is fixedly connected to a left positioning plate. The extension and retraction of the transverse cylinder causes the left positioning plate to move laterally. A right positioning plate is fixedly installed on the right side of the conveyor belt, corresponding to the left positioning plate. A contact switch is installed on the right positioning plate, and a laser marking machine is installed at the upper part of the right positioning plate. The contact switch controls the laser marking machine. An infrared camera is installed on the left positioning plate. A lifting cylinder is fixedly installed on the rear side of the gantry frame's crossbeam. The bottom output end of the lifting cylinder is fixedly connected to a rear positioning plate. The controller controls the transverse cylinder, the lifting cylinder, the laser marking machine, and the infrared camera. This utility model achieves fully automatic laser marking of gas meter casings, greatly improving product quality and production efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of gas meter housing processing technology, and in particular to a fully automatic laser marking device for gas meter housings. Background Technology

[0002] like Figure 1 As shown, existing gas meter housings require marking on one side of the housing during the manufacturing process. Currently, the traditional marking method for gas meter housings is still manual marking. Due to manual marking, the marking position and marking effect are inconsistent, which can easily lead to unstable product quality. In addition, manual marking is inefficient and consumes a lot of manual labor. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model designs a fully automatic laser marking device for gas meter housings.

[0004] The present invention adopts the following technical solution: An automatic laser marking device for gas meter casings includes a conveyor belt and a controller. A gantry frame is installed along the conveyor belt's path. A transverse cylinder is fixedly installed on the front side of the gantry frame's crossbeam. A left positioning plate is fixedly connected to the output end of the transverse cylinder. The extension and retraction of the transverse cylinder causes the left positioning plate to move laterally. A right positioning plate is fixedly installed on the right side of the conveyor belt, corresponding to the left positioning plate. A contact switch is installed on the right positioning plate. A laser marking machine is installed at the upper part of the right positioning plate. The contact switch controls the laser marking machine. An infrared camera is installed on the left positioning plate. A lifting cylinder is fixedly installed on the rear side of the gantry frame's crossbeam. A rear positioning plate is fixedly connected to the bottom output end of the lifting cylinder. The controller controls the transverse cylinder, the lifting cylinder, the laser marking machine, and the infrared camera.

[0005] After initial positioning, the gas meter housing is conveyed along the conveyor belt. As it passes the left positioning plate, an infrared camera senses it and sends a signal to the controller. The controller then activates the lifting cylinder, which moves the rear positioning plate downward to block the gas meter housing workpiece moving along the conveyor belt. Simultaneously, it controls the lateral movement cylinder to retract and move laterally. Through the movement of the left positioning plate, the gas meter housing is brought into close contact with the right positioning plate, completing the positioning of the gas meter housing workpiece. At this point, the contact switch on the right positioning plate is activated, and the laser marking machine starts to complete the laser marking. Then, the controller controls the lifting cylinder and the lateral movement cylinder to return to their original positions, and the marked gas meter housing workpiece is conveyed along the conveyor belt to the next process.

[0006] Preferably, a pre-positioning partition is provided on the right side of the conveyor path at the front end of the conveyor belt.

[0007] Preferably, buffer pads are fixedly installed on the left positioning plate, right positioning plate and rear positioning plate by bolts.

[0008] Preferably, the cushioning pad is a latex pad.

[0009] Preferably, a guide rail is fixedly installed on the front side of the crossbeam of the gantry frame, and a corresponding sliding groove is provided on the left positioning plate. The left positioning plate moves laterally along the guide rail through the sliding groove.

[0010] Preferably, the conveyor belt is provided with partitions on both sides.

[0011] The beneficial effects of this utility model are: This utility model designs a fully automatic laser marking device for gas meter casings, realizing fully automatic laser marking of gas meter casings, greatly improving product quality and production efficiency, and saving labor costs. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an existing gas meter housing; Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a schematic diagram of one usage state of this utility model; In the diagram: 1. Housing, 2. Conveyor belt, 3. Side partition, 4. Pre-positioning partition, 5. Gantry frame, 6. Guide rail, 7. Horizontal movement cylinder, 8. Left side positioning plate, 9. Lifting cylinder, 10. Rear side positioning plate, 11. Right side positioning plate, 12. Laser marking machine, 13. Buffer pad, 14. Infrared camera. Detailed Implementation

[0013] The technical solution of this utility model will be further described in detail below through specific embodiments and with reference to the accompanying drawings: Example: Figure 2 As shown, a fully automatic laser marking device for a gas meter casing includes a conveyor belt 2 and a controller. A gantry frame 5 is installed on the conveyor belt's conveying path. A transverse cylinder 7 is fixedly installed on the front side of the crossbeam of the gantry frame. A left positioning plate 8 is fixedly connected to the output end of the transverse cylinder. The extension and retraction of the transverse cylinder causes the left positioning plate to move laterally. A right positioning plate 11 is fixedly installed on the right side of the conveyor belt at a position opposite to the left positioning plate. A contact switch is installed on the right positioning plate. A laser marking machine 12 is installed at the upper position of the right positioning plate. The contact switch controls the laser marking machine. An infrared camera 14 is installed on the left positioning plate. A lifting cylinder 9 is fixedly installed on the rear side of the crossbeam of the gantry frame. A rear positioning plate 10 is fixedly connected to the bottom output end of the lifting cylinder. The controller controls the transverse cylinder, the lifting cylinder, the laser marking machine, and the infrared camera.

[0014] A pre-positioning baffle 4 is installed on the right side of the conveyor path at the front end of the conveyor belt. After the pre-positioning baffle is pre-positioned, it facilitates the subsequent conveying of the gas meter housing to be processed along the conveyor belt in a relatively accurate posture.

[0015] Buffer pads 13 are fixedly installed on the left, right, and rear positioning plates using bolts. These buffer pads are made of latex and are used to prevent damage to the workpiece.

[0016] Preferably, a guide rail 6 is fixedly installed on the front side of the crossbeam of the gantry frame, and a corresponding sliding groove is provided on the left positioning plate. The left positioning plate moves laterally along the guide rail through the sliding groove.

[0017] The conveyor belt is equipped with side partitions 3 on both sides. The side partitions protect the gas meter housings to be processed from falling off from the sides.

[0018] like Figure 3 As shown, in use, the gas meter housing is manually placed onto the conveyor belt and initially positioned against the pre-positioning partition. It is then conveyed along the conveyor belt, passing the left positioning plate. An infrared camera senses this and sends a signal to the controller. The controller activates the lifting cylinder, causing the rear positioning plate to move downwards and block the gas meter housing workpiece moving along the conveyor belt. Simultaneously, the controller controls the lateral movement cylinder to retract and move laterally. The movement of the left positioning plate causes the gas meter housing to adhere tightly to the right positioning plate, completing the positioning of the gas meter housing workpiece. At this point, the contact switch on the right positioning plate is activated, and the laser marking machine starts to complete the laser marking. Then, the controller controls the lifting cylinder and lateral movement cylinder to return to their original positions, and the marked gas meter housing workpiece is conveyed along the conveyor belt to the next process.

[0019] The embodiments described above are merely preferred solutions of this utility model and are not intended to limit this utility model in any way. Other variations and modifications are possible without departing from the technical solutions described in the claims.

Claims

1. A full-automatic laser marking device for gas meter case, characterized in that, It includes a conveyor belt and a controller. A gantry is set on the conveyor belt's conveying path. A transverse cylinder is fixedly installed on the front side of the gantry's crossbeam. The output end of the transverse cylinder is fixedly connected to a left positioning plate. The extension and retraction of the transverse cylinder causes the left positioning plate to move laterally. A right positioning plate is fixedly installed on the right side of the conveyor belt at a position opposite to the left positioning plate. A contact switch is installed on the right positioning plate. A laser marking machine is installed at the upper position of the right positioning plate. The contact switch controls the laser marking machine. An infrared camera is installed on the left positioning plate. A lifting cylinder is fixedly installed on the rear side of the gantry's crossbeam. The bottom output end of the lifting cylinder is fixedly connected to a rear positioning plate. The controller controls the transverse cylinder, the lifting cylinder, the laser marking machine, and the infrared camera.

2. The full-automatic laser marking device for gas meter case according to claim 1, characterized in that, A pre-positioning partition is provided on the right side of the conveyor path at the front end of the conveyor belt.

3. The full-automatic laser marking device for gas meter case according to claim 1, characterized in that, The left, right, and rear positioning plates are each fixed with a buffer pad by bolts.

4. The full-automatic laser marking device for gas meter case according to claim 3, characterized in that, The cushioning pad is a latex pad.

5. The full-automatic laser marking device for gas meter case according to claim 1, characterized in that, The gantry frame has a guide rail fixedly installed on the front side of the crossbeam, and a corresponding sliding groove is provided on the left positioning plate. The left positioning plate moves laterally along the guide rail through the sliding groove.

6. The full-automatic laser marking device for gas meter case according to claim 1, characterized in that, The conveyor belt is provided with partitions on both sides.