Linear encoder anti-collision protection device for glass stacking machine

By setting protective components and travel switches at the wiring terminals of the linear encoder, the problem of easy damage to the encoder is solved, effective protection is achieved, the working reliability of the glass stacker is improved, and the equipment maintenance cost is reduced.

CN223357338UActive Publication Date: 2025-09-19XINYI GLASS (TIANJIN) CO LTD
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Patent Information

Application Number
CN202422875114.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-09-19
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

During the glass production process, linear encoders lack protective measures, which causes their wiring terminals to easily collide with glass fragments, shelves, etc., affecting positioning accuracy and possibly causing damage.

Method used

Protective components are arranged above and on the sides of the wiring terminals of the linear encoder, including a first protective component and a second protective component, which are connected by welding to form a shield for the wiring terminals. Combined with the travel switch and the protective cover, the encoder is protected from external impact.

Benefits of technology

It effectively prevents glass fragments from directly impacting the encoder, improves positioning accuracy and working reliability, reduces equipment damage and downtime, and saves spare parts costs.

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Abstract

The utility model discloses a linear encoder anti-collision protection device for a glass stacking machine, which comprises a fixed frame arranged on a sucker frame, a first protection component arranged on the fixed frame and a second protection component arranged on the first protection component, the first protection part is arranged to be used for shielding the wiring end above the wiring end of the linear encoder, the second protection part is arranged to be used for shielding the wiring end on the outer side of the wiring end of the linear encoder, and the second protection part extends towards the lower part of the first protection part. According to the anti-collision protection device of the linear encoder for the glass stacking machine, the protection parts are arranged at the top and on the side surfaces of the wiring end of the linear encoder, so that the fragile wiring end part of the linear encoder is effectively protected, the linear encoder is effectively protected, and the working reliability is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of glass production equipment, and in particular relates to an anti-collision protection device for a linear encoder used in a glass stacker. Background Art

[0002] During the glass production process, the stacker automatically calibrates the position of the glass sheets against the shelves when collecting them, enabling automated stacking. The stacker is equipped with a main frame, a suction cup rack, and glass suction cups. After the suction cups pick up the glass sheet from the conveyor rollers, the main frame moves according to the control system's program. Through the rotation of multiple multi-axis motors, the suction cup rack slowly contacts the glass rack on the unloading platform. The linear encoder on the suction cup rack provides measurement data, achieving precise positioning. The suction cups on the suction cup rack release the glass sheet, and the main frame returns to its starting point to begin collecting the next sheet.

[0003] During the above-mentioned glass stacking process, due to the lack of protection measures for the linear encoder, an important component of automated positioning, the linear encoder often collides directly with glass fragments, shelves, rollers, etc., especially the wiring terminals of the linear encoder will be subject to external impact, affecting the positioning accuracy of the linear encoder. In severe cases, it will directly cause the linear encoder to be damaged and scrapped.

[0004] The Chinese patent application number 202011214223.X discloses a monitoring encoder protection mechanism, including an encoder body, a fixed cylinder and a mounting plate, the outer wall of the top plate of the mounting plate is fixedly connected to a sleeve, and the inner wall of the sleeve is slidably connected to a telescopic column, and a fixing bolt is provided on the outer wall of one side of the sleeve, the outer wall of the fixed cylinder is fixedly connected to an annular cover, and the bottom outer wall of the annular cover is fixedly connected to the top of the telescopic column, the encoder body is arranged in the fixed cylinder, and a fixing structure is provided on the fixed cylinder, and a heat dissipation structure is provided on the annular cover, the fixing structure includes a splint, a cylinder, a spring and a heat-conducting rod, and the inner wall of the fixed cylinder is provided with through holes that are equidistant and distributed in a ring shape.

[0005] It is hoped to provide an improved anti-collision protection device for a linear encoder, particularly with regard to how to achieve effective protection for the linear encoder. Utility Model Content

[0006] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention provides a linear encoder anti-collision protection device for a glass stacker, the purpose of which is to achieve effective protection for the linear encoder.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a linear encoder anti-collision protection device for a glass stacker, comprising a fixing frame arranged on a suction cup frame, a first protective component arranged on the fixing frame, and a second protective component arranged on the first protective component, the first protective component being arranged to form a shielding to the wiring terminal above the wiring terminal of the linear encoder, the second protective component being arranged to form a shielding to the wiring terminal outside the wiring terminal of the linear encoder, and the second protective component extending toward the bottom of the first protective component.

[0008] The second protective component is located on one side of the connection terminal of the linear encoder.

[0009] The upper end of the second protection component is connected to the first protection component by welding.

[0010] The first protective component is arranged horizontally, and one end of the first protective component is welded to the upper end of the fixing frame.

[0011] The fixing frame is vertically arranged, and the lower end of the fixing frame is welded to the suction cup frame.

[0012] The second protection component is provided with a travel switch.

[0013] The utility model discloses a linear encoder anti-collision protection device for a glass stacker. By arranging protective components on the top and sides of the linear encoder terminal, the most vulnerable terminal part of the linear encoder is effectively protected, thereby achieving effective protection for the linear encoder and improving working reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] This manual includes the following drawings, which show the following contents:

[0015] Figure 1 This is a schematic diagram of the structure of the anti-collision protection device of the linear encoder for the glass stacker of the utility model;

[0016] Figure 2 is a schematic diagram of the connection between the first protection component and the second protection component;

[0017] Figure 3 It is a schematic diagram of the structure of the protective cover;

[0018] The markings in the figure are: 1. First protective component; 2. Second protective component; 3. Fixing bracket; 4. Limit switch; 5. Suction cup bracket; 6. Linear encoder; 7. Wiring harness; 8. Protective cover; 9. Observation hole. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation methods of the present invention by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention and to facilitate its implementation.

[0020] It should be noted that, in the following embodiments, the "first" and "second" do not represent an absolute distinction in structure and / or function, nor do they represent a sequence of execution, but are merely for the convenience of description.

[0021] like Figure 1 and Figure 2 As shown, the utility model provides an anti-collision protection device for a linear encoder for a glass stacker, comprising a fixing frame 3 arranged on a suction cup frame 5, a first protective component 1 arranged on the fixing frame 3, and a second protective component 2 arranged on the first protective component 1. The first protective component 1 is configured to form a shielding for the wiring terminal above the wiring terminal of the linear encoder, the second protective component 2 is configured to form a shielding for the wiring terminal outside the wiring terminal of the linear encoder, the second protective component 2 extends toward the bottom of the first protective component 1, and the linear encoder is fixedly mounted on the suction cup frame 5.

[0022] Specifically, if Figure 1 and Figure 2 As shown, in this embodiment, by providing protective components on the top and sides of the linear encoder terminal, the most vulnerable terminal portion of the linear encoder is effectively protected, thereby achieving effective protection of the linear encoder and improving working reliability.

[0023] like Figure 1 and Figure 2 As shown, the fixing bracket 3 is vertically mounted, with its lower end welded to the suction cup bracket 5. The first protective component 1 is horizontally mounted, with one end of the first protective component 1 welded to the upper end of the fixing bracket 3. The second protective component 2 is located to one side of the linear encoder's wiring terminals, with its upper end welded to the first protective component 1.

[0024] The glass plate on the conveyor roller is transferred by the stacker. The glass plate is in a horizontal state on the conveyor roller. The suction cup frame 5 is located above the glass plate. The suction cup frame 5 is provided with a suction cup for adsorbing the glass plate. The linear encoder is in a vertical state. The upper end of the linear encoder is the terminal, and the terminal is used to connect the wiring harness 7. The fixing frame 3 and the second protective component 2 are in a state. The first protective component 1 is in a horizontal state. The length direction of the first protective component 1 is parallel to the first direction. The terminal of the linear encoder and the second protective component 2 are on the same straight line parallel to the second direction. The first direction and the second direction are both horizontal directions and perpendicular to the first direction. The first protective component 1 is located directly above the terminal. The most vulnerable terminal part of the encoder is effectively protected at the top and sides by the first protective component 1 and the second protective component 2.

[0025] During the transportation process, the posture of the suction cup frame 5 changes, the adsorbed glass plate is in a vertical state, and the second protective component 2 is in a horizontal state. At this time, the second protective component 2 is located above the terminal of the linear encoder. If the glass plate is broken at this time, due to the shielding effect of the second protective component 2, the glass plate fragments will not directly hit the terminal of the linear encoder below, which can prevent the falling and broken glass pieces from hitting or damaging the linear encoder. Therefore, it can effectively prevent the impact of broken glass pieces, realize effective protection of the linear encoder, improve working reliability, save downtime, and save the cost of replacing spare parts.

[0026] like Figure 1 and Figure 2 As shown, a limit switch 4 is provided on the second protective component 2. The limit switch 4 is installed at the lower end of the second protective component 2, and the limit switch 4 is electrically connected to the control system. When an error occurs in the positioning process, the main frame will drive the suction cup frame 5 to retreat continuously in an attempt to find the positioning point. When the retreating suction cup frame 5 touches the edge of the transmission roller, vibration is generated, causing the glass plate to break. The limit switch 4 contacts the transmission roller, and after the limit switch 4 is triggered to act, the control system receives a signal, and the control system immediately issues an alarm message. The control system will actively cut off the power supply to control the stacker and stop the stacker. By adding an electrical limit switch 4 and utilizing the early action of the limit switch 4 to cut off the control power, trigger an alarm, and stop the next action of the stacker, the encoder can also be effectively protected.

[0027] like Figure 1 and Figure 3As shown, a protective cover 8 is provided on the suction cup frame 5. The protective cover 8 is an internal structure. The linear encoder is located inside the protective cover 8. An opening is provided at the lower end of the protective cover 8 to ensure that the linear encoder can be exposed. The wiring terminal of the linear encoder extends from the upper end opening of the protective cover 8. The protective cover 8 can protect the body of the linear encoder. A plurality of observation holes 9 are provided on the protective cover 8. The observation holes 9 are through holes provided on the side wall of the protective cover 8. The encoder inside the protective cover 8 can be directly observed through the observation holes 9. The observation holes 9 connect the inner cavity of the protective cover 8 with the external environment, and can also play a certain heat dissipation role.

[0028] Preferably, the fixing frame 3, the first protective component 1, the second protective component 2 and the protective cover 8 are all made of metal, which has high strength and good protective effect.

[0029] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.

Claims

1. The anti-collision protection device of the linear encoder for glass stacking machine is characterized by: It includes a fixing frame arranged on the suction cup frame, a first protective component arranged on the fixing frame and a second protective component arranged on the first protective component. The first protective component is arranged to form a shield to the terminal above the terminal of the linear encoder, and the second protective component is arranged to form a shield to the terminal outside the terminal of the linear encoder. The second protective component extends toward the bottom of the first protective component.

2. The anti-collision protection device for a linear encoder for a glass stacker according to claim 1, characterized in that: The second protective component is located on one side of the connection terminal of the linear encoder.

3. The anti-collision protection device for a linear encoder for a glass stacker according to claim 1, characterized in that: The upper end of the second protection component is connected to the first protection component by welding.

4. The anti-collision protection device for a linear encoder for a glass stacker according to any one of claims 1 to 3, characterized in that: The first protective component is arranged horizontally, and one end of the first protective component is welded to the upper end of the fixing frame.

5. The anti-collision protection device for a linear encoder for a glass stacker according to any one of claims 1 to 3, characterized in that: The fixing frame is vertically arranged, and the lower end of the fixing frame is welded to the suction cup frame.

6. The anti-collision protection device for a linear encoder for a glass stacker according to any one of claims 1 to 3, characterized in that: The second protection component is provided with a travel switch.

Citation Information

Patent Citations

  • Encoder protection mechanism for monitoring

    CN112448548A