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CN-121988484-A - Metal mesh mask plate device for locally applying anti-ablation coating of brake pad

CN121988484ACN 121988484 ACN121988484 ACN 121988484ACN-121988484-A

Abstract

The invention provides a metal mesh mask plate device for locally applying an anti-ablation coating of a brake pad, which relates to the technical field of batch processing of brake pads and comprises a mounting frame, two groups of symmetrically arranged positioning assemblies, a surrounding baffle, a moving frame, a coating template, a parallelogram linkage mechanism, an automatic coating assembly, a material supplementing assembly, a linear actuator, a counterweight assembly, a contact detection switch, an industrial camera and an audible and visual alarm. The automatic coating assembly is detachably mounted on the coating template, the full-flow automatic closed loop is formed by the cooperation of the components, an operator only needs to charge and discharge, the operation flow is obviously simplified, double-station batch accurate coating is realized, the coating efficiency and the qualification rate are greatly improved, the waste of the coating agent is less, the equipment maintenance cost is low, and the large-scale production requirement of the brake pad is adapted.

Inventors

  • Zhuo Panpan
  • Gai Junyuan
  • Pei Fupeng
  • LV HUA

Assignees

  • 曲阜天博汽车制动器有限公司

Dates

Publication Date
20260508
Application Date
20260227

Claims (10)

  1. 1. The metal mesh mask plate device for the partial application of the anti-ablation coating of the brake pad is characterized by comprising a mounting frame (1), a positioning assembly (2), a surrounding baffle (101), a movable frame (3), a coating template (4), a parallelogram linkage mechanism (5), an automatic coating assembly (6), a material supplementing assembly, a linear actuator (7), a counterweight assembly (8) and a contact detection switch (9); the two groups of positioning assemblies (2) are symmetrically arranged on the upper surface of the mounting frame (1) and used for rapidly limiting brake pads in batches, and the peripheral direction of the outer edge of the mounting frame (1) is provided with a surrounding baffle (101); A coating template (4) parallel to the moving frame (3) is arranged in the moving frame (3), when the bottom surface of the moving frame (3) is attached to the surrounding block (101), the coating template (4) just covers and attaches to the brake pads on one group of positioning components (2), coating holes (401) are formed in the coating template (4), and the number of the coating holes (401) is matched with and corresponds to that of the brake pads on one group of positioning components (2) one by one; The movable frame (3) is connected with the enclosure (101) through a parallelogram connecting rod mechanism (5) and is used for keeping the posture of the coating template (4) constant during lifting and/or translational movement, ensuring that the bottom surface of the coating template (4) is always parallel to the surface of the brake pad and sequentially applying the brake pads on the two groups of positioning assemblies (2); the automatic coating component (6) is detachably arranged on the coating template (4), the automatic coating component (6) is in contact with the upper surface of the coating template (4), the automatic coating component (6) is communicated with the feeding component, the linear actuator (7) is hinged to the middle area of the bottom beam at one side of the mounting frame (1), and the output end of the linear actuator (7) is hinged to the counterweight component (8) on the parallelogram linkage mechanism (5) for balancing load moment and realizing automatic position switching of the coating template (4); The contact type detection switch (9) is arranged on the coating template (4), the contact type detection switch (9) and the linear actuator (7) are electrically connected with the PLC, and the contact type detection switch (9) is used for triggering the linear actuator (7) to operate after contacting with the automatic coating assembly (6) so as to realize the connection of coating and position switching.
  2. 2. A metal mesh mask plate device for the partial application of an anti-ablative coating of a brake pad according to claim 1, characterized in that the positioning assembly (2) comprises a mounting plate (201), a first elongated hole (202), a first threaded hole (102), a first fixing bolt (203) and a positioning pin (204); The first strip holes (202) are formed in four corners of the mounting plate (201), the first threaded holes (102) are formed in the upper surface of the mounting frame (1), the first threaded holes (102) are in one-to-one correspondence with the first strip holes (202), the first fixing bolts (203) are arranged in the first strip holes (202), and the first fixing bolts (203) are in threaded fit with the first threaded holes (102); The locating pins (204) are a plurality of groups, the locating pins (204) of the plurality of groups are equidistantly welded on the mounting plate (201), the locating pins (204) are in one-to-one correspondence with the coating holes (401), and a plurality of pin bodies in each locating pin (204) of the plurality of groups are attached to the outer wall of the brake pad to be coated.
  3. 3. The metal mesh mask plate device for the local application of the anti-ablation coating of the brake pad according to claim 1, wherein two groups of second strip holes (301) are symmetrically formed in the movable frame (3), second threaded holes (404) are formed in the outer wall of the coating template (4), the second threaded holes (404) are in one-to-one correspondence with the second strip holes (301), second fixing bolts (302) are arranged in the second strip holes (301), and the second fixing bolts (302) are in threaded fit with the second threaded holes (404) and are used for finely adjusting the height of the coating template (4) so as to ensure that the brake pad is in parallel fit with the bottom surface of the coating template (4).
  4. 4. The metal mesh mask plate device for the local application of the anti-ablation coating of the brake block according to claim 1, wherein the parallelogram linkage mechanism (5) comprises four connecting rods (501), the upper ends of the connecting rods (501) are movably connected with the outer wall of the movable frame (3) through hinge points, the lower ends of the connecting rods (501) are movably connected with the enclosure (101) through hinge points, the four connecting rods (501) are symmetrically distributed pairwise to form a parallelogram structure, and a counterweight assembly (8) is arranged on one connecting rod (501).
  5. 5. A metal mesh mask plate device for the partial application of an anti-ablative coating of a brake pad according to claim 4, characterized in that the weight assembly (8) comprises a mounting block (801), a screw (802), a weight column (803) and a nut (804); The installation block (801) is welded on one connecting rod (501), the screw rod (802) is welded on the installation block (801), and the screw rod (802) is parallel to the connecting rod (501); the center of the weight column (803) is provided with a through hole, and the screw (802) is penetrated in the through hole; The number of the nuts (804) is two, the two nuts (804) are in threaded fit with the screw (802), and the two nuts (804) are respectively positioned at two ends of the weight column (803) and are in contact with the weight column (803).
  6. 6. A metal mesh mask plate device for the partial application of an anti-ablative coating of a brake pad according to claim 1, characterized in that said automatic brushing assembly (6) comprises an electric cylinder (601) and a pusher (602); The electric cylinder (601) is fixedly arranged on the coating template (4), the output end of the electric cylinder (601) is connected with the pushing plate (602), the bottom surface of the pushing plate (602) is contacted with the upper surface of the coating template (4), and the feeding component is arranged in the pushing plate (602).
  7. 7. The metal mesh mask plate device for the partial application of the anti-ablation coating of the brake pad according to claim 6, wherein the U-shaped rods (603) are symmetrically welded on the push plate (602), the U-shaped rods (603) are distributed with the coating template (4) and the movable frame (3) at intervals, one end, far away from the push plate (602), of the U-shaped rods (603) is fixedly provided with a fixing plate (604), the fixing plate (604) is provided with an industrial camera (605) for shooting and identifying that the brake pad, on the other side of which a coating pattern is not formed, is automatically triggered to perform the next application procedure after the replacement and placement of the brake pad is completed.
  8. 8. The metal mesh mask plate device for the partial application of an anti-ablative coating of a brake pad according to claim 7, wherein the feed assembly comprises a storage chamber (6021), a feed tube (6022), a non-contact level sensor (6023), soft bristles (6024), a one-way valve (6025), an electromagnetic flow valve (6026), a feed tube (6027), a flexible tube (6028), and a metering pump; A storage cavity (6021) is formed in the push plate (602), a material supplementing pipe (6022) is arranged at the bottom of the storage cavity (6021), the material supplementing pipes (6022) are in one-to-one correspondence with the coating holes (401), a non-contact liquid level sensor (6023) is arranged in the storage cavity (6021), and the bottom of the material supplementing pipe (6022) penetrates through the bottom surface of the push plate (602) and is level with the bottom surface of the push plate (602); The soft bristles (6024) are arranged on the bottom surface of the push plate (602), the soft bristles (6024) cover the bottom area of the material supplementing pipe (6022), and the soft bristles (6024) are elastically attached to the upper surface of the coating template (4); the one-way valve (6025) and the electromagnetic flow valve (6026) are sequentially arranged on the material supplementing pipe (6022) along the feeding direction of the material supplementing pipe (6022), the one-way valve (6025) is used for preventing the coating agent from flowing back, and the electromagnetic flow valve (6026) supports flow regulation; The industrial camera (605) is electrically connected with the PLC, is used for shooting and identifying the coating quality of the surface of the brake pad after coating is finished, transmitting detection data to the PLC, is electrically connected with the electromagnetic flow valve (6026), is used for automatically adjusting the opening of the electromagnetic flow valve (6026) according to the detection data, and is used for adjusting the ablation-free discharge flow of the feed tube (6022), and the PLC controls the electromagnetic flow valve (6026) to be completely closed when the linear actuator (7) operates; The feeding pipe (6027) is communicated with the storage cavity (6021), the feeding pipe (6027) is communicated with the flexible pipe (6028) through a quick connector, the input end of the metering pump is communicated with the ablation-free agent box, and the output end of the metering pump is communicated with the flexible pipe (6028) and is used for quantitatively supplementing the ablation-free agent into the storage cavity (6021).
  9. 9. The metal mesh mask plate device for the partial application of the anti-ablation coating of the brake pad according to claim 1, wherein the contact type detection switch (9) is a travel switch, the coating template (4) is provided with a mounting groove (402), the mounting groove (402) is internally provided with a travel switch and a distance sensor (403), and a detection head of the travel switch is matched with the push plate (602); the distance sensor (403) and the electric cylinder (601) are electrically connected with the PLC controller and used for accurately limiting the expansion and contraction amount of the electric cylinder (601), the distance sensor (403) and the travel switch are coaxially arranged along the movement direction of the push plate (602), and the fixed physical distance from the distance sensor (403) to the travel switch is used as a detection reference value.
  10. 10. The metal mesh mask plate device for the partial application of the anti-ablative coating of the brake pad according to claim 7, 8 or 9, further comprising an audible and visual alarm electrically connected with the PLC controller for emitting an audible and visual alarm signal when the industrial camera detects the defective coating of the brake pad.

Description

Metal mesh mask plate device for locally applying anti-ablation coating of brake pad Technical Field The invention relates to the technical field of brake pad batch processing, in particular to a metal mesh mask plate device for locally applying an anti-ablation coating of a brake pad. Background In an automobile braking system, a brake pad friction block is used as a core safety component, and the high temperature resistance, the abrasion life and the braking stability in the braking process are directly determined by an ablative-free agent coating coated on the surface of the brake pad friction block. With the development of the automobile manufacturing industry to the large-scale and high-efficiency, higher requirements are put on the precision, efficiency and consistency of brake pad coating, but the existing coating technology still has a plurality of defects which are difficult to solve, and the problems are mainly characterized in the following two aspects: On the one hand, the traditional manual coating method completely depends on experience and proficiency of operators, so that the labor intensity is high, the coating efficiency is low, and the uniformity of the coating thickness and the consistency of patterns cannot be ensured. Meanwhile, the manual coating needs to participate in a plurality of links such as coating, material supplementing, alignment and the like in the whole course, the operation flow is complicated, and the manual coating is influenced by factors such as personnel fatigue, operation habit difference and the like, so that the requirement of mass continuous production cannot be adapted. On the other hand, most of the existing mechanized coating devices are of a single-station structure, coating operation of a single brake pad can be realized at a time, the operation flow of the existing single-station device is still complex, manual material supplementing is needed by operators in the coating process, and coating failure can be caused by a little negligence. Even if part of the devices have a batch coating thought (such as a brake pad friction surface glue coating device disclosed by bulletin No. CN 215507508U), the problems of complicated operation flow, asynchronous coating and material supplementing, manual dependence on quality detection and the like are not solved, operators need to participate in the intervention of a plurality of links, and high-efficiency automatic production in a true sense cannot be realized. In summary, in the prior art, both manual coating and single-station mechanized coating have the prominent pain points of complex operation flow, low productivity, poor quality stability and the like, and development of a coating device with simplified operation, high automation degree and suitability for mass production is needed. Disclosure of Invention The invention aims to solve the problems in the background art, and further provides a metal mesh mask plate device for locally applying an anti-ablation coating of a brake pad. The technical scheme adopted for solving the technical problems is as follows: A metal mesh mask plate device for locally applying an anti-ablation coating on a brake pad comprises a mounting frame, positioning components, a surrounding baffle, a moving frame, a coating template, a parallelogram connecting rod mechanism, an automatic coating component, a material supplementing component, a linear actuator, a counterweight component and a contact detection switch, wherein the two groups of positioning components are symmetrically arranged on the upper surface of the mounting frame and used for rapidly limiting the brake pad in batches, the surrounding baffle is circumferentially arranged on the outer edge of the mounting frame, the moving frame is internally provided with the coating template parallel to the moving frame, when the bottom surface of the moving frame is attached to the surrounding baffle, the coating template just covers and is attached to the brake pad on one group of positioning components, the coating template is provided with a coating hole, the coating hole is matched with the number of the brake pads on one group of positioning components and corresponds to one another, the moving frame and the surrounding baffle are connected with the brake pad through the parallelogram connecting rod mechanism, so that the coating template keeps constant in lifting and/or translational movement, the bottom surface of the coating template is ensured to be parallel to the surface of the brake pad, the brake pad on the two groups of positioning components is sequentially applied, the automatic coating component is detachably arranged on the coating template, the automatic coating component is attached to the coating template, when the bottom surface of the automatic coating component is parallel to the brake pad is attached to the surface of the brake pad, the linear actuator is in contact with the linear actuator, the linear actuator