CN210121572U - Automatic outer diameter adjusting and detecting device for drum brake - Google Patents
Automatic outer diameter adjusting and detecting device for drum brake Download PDFInfo
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- CN210121572U CN210121572U CN201920363248.2U CN201920363248U CN210121572U CN 210121572 U CN210121572 U CN 210121572U CN 201920363248 U CN201920363248 U CN 201920363248U CN 210121572 U CN210121572 U CN 210121572U
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Abstract
The utility model discloses a drum brake automatic adjustment external diameter detection device, include: the outer diameter shaping mechanism is used for shaping the outer diameter of the brake shoe; an outer diameter adjusting mechanism for adjusting the outer diameter of the brake shoe; the outer diameter, coaxiality and verticality detection mechanism is used for detecting the outer diameter, coaxiality and verticality of the drum brake; the visual detection mechanism is used for comparing the drum brake image acquired by the camera with a standard image to judge whether the part is neglected to be installed or is not assembled in place; a work lifting mechanism for lifting the drum brake; the marking machine is used for marking different marks on the qualified product and the unqualified product; the qualified product channel is used for conveying drum brakes qualified for detection; and the unqualified product channel is used for conveying drum brakes which are unqualified to detect. The utility model discloses can accomplish automatically that brake shoe external diameter plastic and drum brake braking face external diameter, axiality, straightness uniformity and the part leak protection dress of hanging down detect to beat mark and automatic reposition of redundant personnel to the work piece according to the testing result.
Description
Technical Field
The utility model relates to a drum brake plastic and detection technique.
Background
The inconsistent outer diameter and the poor coaxiality of the braking surfaces of the drum brakes are directly related to the service performance of the whole automobile braking system, and the results of difficult loading, inconsistent left and right parking forces, poor parking and the like of automobile manufacturers can be caused. The traditional external diameter adjustment and detection process of the drum brake braking surface needs three persons to operate and finish, one person is responsible for shaping and adjusting the external diameter of the drum brake braking surface, the other person is responsible for detecting the external diameter, the coaxiality and the verticality of the drum brake, and the other person is responsible for detecting the appearance; the traditional process for adjusting the outer diameter of the braking surface of the drum brake adopts a manual adjustment process, and the process is inconvenient to operate and needs long time for adjustment, so that the whole beat is influenced; the outer diameter of the brake surface of the traditional drum brake is detected by a vernier caliper, and the consistency of the process on the outer diameter of a product cannot be guaranteed; the traditional parking brake braking surface outer diameter adjusting process adopts a dial indicator to adjust and detect the coaxiality of a braking surface, and the process usually needs repeated adjustment and cannot be in place at one time; the traditional adjusting process for the outer diameter of the braking surface of the drum brake is sleeved into an outer diameter simulation drum after the outer diameter and the coaxiality of the braking surface are adjusted, whether the adjustment is in place is checked, but in the process, the poor product flows out due to the fact that the detection and the identification cannot be carried out after the outer diameter of the braking surface of the parking brake is reduced.
Therefore, how to ensure the consistency of the external diameter, the coaxiality and the verticality of the braking surface of the drum brake and the leakage prevention of parts becomes an important research topic of the drum brake assembly; if the consistency of the outer diameter, the coaxiality and the verticality of the braking surface of the drum brake can be improved, no defective products flow out, and the significance on production and quality is further enhanced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automatic adjustment external diameter detection device of drum brake is provided can accomplish brake shoe external diameter plastic and drum brake braking face external diameter, axiality, straightness uniformity and part leak protection dress detection automatically.
In order to solve the technical problem, the utility model adopts the following technical scheme: an automatic adjustment outer diameter detection device for a drum brake, comprising:
the six-station rotating mechanism comprises a six-station divider, a rotary table driven by the six-station divider to rotate and workpiece positioning fixtures uniformly distributed and installed along the circumferential direction of the rotary table, and a drum brake is clamped on the workpiece positioning fixtures and rotates along with the rotary table to sequentially complete six-station conversion;
the outer diameter shaping mechanism is used for shaping the outer diameter of the brake shoe so as to ensure the coaxiality;
the outer diameter adjusting mechanism is used for adjusting the outer diameter of the brake shoe so as to keep the outer diameter of the brake shoe consistent with a standard;
the outer diameter, coaxiality and verticality detection mechanism is used for detecting the outer diameter, coaxiality and verticality of the drum brake;
the visual detection mechanism comprises a mechanical arm with a rotatable hand part, wherein a camera and a clamping jaw which can convert positions through rotation are arranged on the hand part of the mechanical arm;
a work lifting mechanism for lifting the drum brake;
the marking machine is used for marking different marks on the qualified product and the unqualified product;
the qualified product channel is used for conveying drum brakes qualified for detection;
the unqualified product channel is used for conveying the drum brake which is unqualified to detect;
the robot comprises a manipulator, a marking machine, a vision detection mechanism, a camera, a claw, a manipulator, a workpiece lifting mechanism, a manipulator and a marking machine, wherein in the vision detection process, the camera is firstly positioned right above the drum brake, images above the drum brake are collected, then the workpiece lifting mechanism lifts the drum brake, the manipulator rotates a hand to enable the camera to be positioned right below the drum brake, images below the drum brake are collected, after the vision detection is completed, the manipulator rotates a hand to enable the claw to be positioned right below the drum brake, the manipulator stretches the claw into the drum brake from the lower part to be tightly clamped, meanwhile, the workpiece lifting mechanism loosens the drum brake, the manipulator transfers the drum brake to the marking machine position to complete marking by the marking machine, finally, the qualified drum brake is placed on a qualified.
Optionally, the outer diameter shaping mechanism comprises a first lifter and a shaper driven by the first lifter to lift, and the shaper comprises a pair of shaping claws and a shaping driver for driving the shaping claws to clamp.
Optionally, the shaping claw is provided with an arc-shaped groove matched with the outer arc of the brake shoe, and a roller is arranged in the arc-shaped groove.
Optionally, the outer diameter adjusting mechanism comprises a second lifter and an adjuster driven by the second lifter to lift, and the adjuster comprises a pair of adjusting claws and an adjusting driver for driving the adjusting claws to open and act on the brake shoes.
Optionally, the outer diameter, coaxiality and verticality detection mechanism comprises a third lifter, a rotary power device and a measuring and clamping device, wherein the rotary power device and the measuring and clamping device are driven by the third lifter to lift, the rotary power device drives the measuring and clamping device to rotate, and the displacement sensor is in contact with the drum brake.
Optionally, the measuring and clamping device comprises a pair of measuring and clamping blocks and a measuring and clamping driver for driving the measuring and clamping blocks to clamp.
Optionally, the workpiece lifting mechanism comprises a fourth lifter and a gripper driven by the fourth lifter to lift, and the gripper comprises a pair of jaws and a jaw driver for driving the jaws to grip.
Optionally, the jaws are three-jaw chucks.
Optionally, the automatic printing device further comprises a bar code printer, and when the sensor detects that the drum brake conveyed on the qualified product channel reaches the set position, the bar code printer automatically prints a bar code.
Optionally, the system further comprises a data accurate tracing system in communication connection with the outer diameter, coaxiality, verticality detection mechanism and the visual detection mechanism, the bar code is pasted on the workpiece and is input into the data accurate tracing system after being scanned and recorded by the scanning gun, and the data accurate tracing system associates the outer diameter, coaxiality, verticality detection data and the visual detection judgment result with the product bar code.
The utility model adopts the technical proposal, the workpiece is placed on the workpiece positioning clamp, the six-station rotating mechanism rotates to the outer diameter shaping mechanism and carries out brake shoe shaping on the workpiece, the coaxiality of the workpiece is ensured, after the shaping is finished, the six-station rotating mechanism rotates to the outer diameter adjusting mechanism and carries out automatic outer diameter adjustment on the workpiece, the consistency of the outer diameter of the workpiece is ensured, after the adjustment is finished, the six-station rotating mechanism rotates to the outer diameter, the coaxiality and the verticality detection mechanism and carries out outer diameter, coaxiality and verticality detection on the workpiece, after the detection is finished, the six-station rotating mechanism rotates to the visual detection mechanism and carries out part neglected loading detection on the workpiece, after the detection is finished, the workpiece is lifted by the workpiece lifting mechanism, the manipulator hand of the visual detection mechanism rotates to the jaw part and grabs the drum brake, the manipulator shunts the workpiece, the qualified product is green paint which is, and (3) red paint is dotted by the unqualified product marking machine, the qualified workpiece is placed in the qualified product channel, the unqualified workpiece is placed in the unqualified product channel for isolation, and the workpiece flows in the qualified product channel. Therefore, the outer diameter shaping of the brake shoe, the outer diameter, the coaxiality and the verticality consistency of the braking surface of the drum brake and the part anti-leakage detection can be automatically completed, and the workpiece is marked and automatically shunted according to the detection result.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
FIG. 1 is an internal view of the present invention;
FIG. 2 is an external view of the present invention;
FIG. 3 is a schematic structural view of an outer diameter shaping mechanism and an outer diameter adjusting mechanism;
FIG. 4 is a schematic structural diagram of the outer diameter, coaxiality and verticality detection mechanism;
FIG. 5 is a schematic structural view of the vision inspection mechanism, the qualified product channel and the unqualified product channel;
fig. 6 is a schematic structural view of the work lifting mechanism.
Detailed Description
As shown in fig. 1 to 6, an automatic adjusting outer diameter detecting device for a drum brake includes:
the six-station rotating mechanism 1 comprises a six-station divider, a rotary table driven by the six-station divider to rotate and workpiece positioning fixtures 2 uniformly distributed and installed along the circumferential direction of the rotary table, and a drum brake is clamped on the workpiece positioning fixtures and rotates along with the rotary table to sequentially complete six-station conversion;
the outer diameter shaping mechanism 3 is used for shaping the outer diameter of the brake shoe (namely the outer diameter of the brake surface) so as to ensure the coaxiality;
an outer diameter adjusting mechanism 4 for adjusting the outer diameter of the brake shoe so that the outer diameter of the brake shoe is consistent with a standard (outer diameter);
the outer diameter, coaxiality and verticality detection mechanism 5 is used for detecting the outer diameter, coaxiality and verticality of the drum brake;
the visual detection mechanism 6 comprises a mechanical hand with a rotatable hand, wherein a camera 61 and a clamping jaw 62 which are converted by rotation are arranged on the hand of the mechanical hand, and the drum brake image acquired by the camera is compared with a standard image to judge whether parts are neglected to be installed or are not assembled in place;
a work lifting mechanism 7 for lifting the drum brake;
the marking machine is used for marking different marks on the qualified product and the unqualified product;
the qualified product channel 8 is used for conveying drum brakes qualified in detection;
and the unqualified product channel 9 is used for conveying drum brakes which are detected to be unqualified.
Six stations are switched in 1 one period of the six-station rotating mechanism, the first station is used for feeding, the second station is used for shaping the outer diameter of the brake shoe, the third station is used for adjusting the outer diameter of the brake shoe, the fourth station is used for detecting the outer diameter, the coaxiality and the verticality, the fifth station is used for visual detection, and the sixth station can be used as an empty station.
In the visual detection process, a camera is firstly positioned right above a drum brake, images above the drum brake are collected, then a workpiece lifting mechanism lifts the drum brake, a hand of a manipulator rotates to enable the camera to be positioned right below the drum brake, images below the drum brake are collected, after the visual detection is completed, the hand of the manipulator rotates to enable a clamping jaw to be positioned right below the drum brake, the clamping jaw extends into the drum brake from the lower side to be clamped by the manipulator, meanwhile, the workpiece lifting mechanism loosens the drum brake, the manipulator transfers the drum brake to the position of a marking machine to complete marking by the marking machine, finally, the qualified drum brake is placed on a qualified product channel, and the unqualified drum brake is placed on an unqualified product channel.
Referring to fig. 3, the outer diameter shaping mechanism 3 includes a first lifter 31 and a shaper 32 driven by the first lifter to ascend and descend, and the shaper includes a pair of shaping claws 33 and a shaping driver driving the shaping claws to clamp. The shaping claw is provided with an arc-shaped groove matched with the outer arc of the brake shoe, and a roller is arranged in the arc-shaped groove. The outer diameter adjusting mechanism 4 includes a second lifter 41 and an adjuster 42 driven by the second lifter to ascend and descend, and the adjuster includes a pair of adjusting claws 43 and an adjusting driver for driving the adjusting claws to open and act on the brake shoes. The outer diameter shaping and adjusting of the brake shoe can be completed through the outer diameter shaping mechanism 3 and the outer diameter adjusting mechanism 4, the coaxiality and outer diameter consistency requirements are met, and the specific requirements refer to actual detection standards.
Referring to fig. 4, the outer diameter, coaxiality and verticality detecting mechanism 5 includes a third lifter 51, and a rotary power device and a measuring and clamping device 52 driven by the third lifter to lift and lower, and the rotary power device drives the measuring and clamping device to rotate. And a displacement sensor which is fixed relative to the drum brake and is contacted with the drum brake during the drum brake and the measuring and clamping device rotate simultaneously, or other sensors. Data of the displacement sensor are collected and calculated, the outer diameter, the coaxiality and the verticality can be obtained, and the prior art can be referred to for a specific calculation principle. The measuring jaw device comprises a pair of measuring jaw blocks 53 and a measuring jaw driver for driving the measuring jaw blocks to clamp.
Referring to fig. 6, the workpiece lifting mechanism includes a fourth lifter 71 and a gripper 72 driven to be lifted by the fourth lifter, the gripper including a pair of jaws 73 and a jaw driver driving the jaws to grip.
Preferably, the jaws are three-jaw chucks, or similar chucks, or other structures that can grip the drum brake.
It will be understood by those skilled in the art that the first lifter, the second lifter, the third lifter and the fourth lifter may adopt a conventional linear actuator, such as an electric cylinder, an air cylinder, etc. The shaping driver, the adjuster, the measuring clamping driver and the clamping jaw driver can also adopt a linear motor, an air cylinder and the like.
In addition, still include material loading transfer passage and material loading robot, material loading transfer passage is used for carrying drum brake to the material loading station, and material loading robot corresponds the material loading station setting, places drum brake in work piece positioning fixture 2.
Further, the device comprises a bar code printer 10 and a data accurate tracing system 11, when the sensor detects that the drum brake conveyed on the qualified product channel reaches a set position, the bar code printer automatically prints a bar code, the bar code is pasted on a workpiece and is scanned and recorded by a scanning gun, and the data accurate tracing system associates the detection data of the outer diameter, the coaxiality and the verticality and the visual detection judgment result with the bar code of the product.
The utility model discloses operation flow: a workpiece (drum brake) is placed on a workpiece positioning clamp 2 by a feeding robot, a six-station rotating mechanism 1 rotates to a position corresponding to an outer diameter shaping mechanism 3 and shapes a brake shoe of the workpiece, the coaxiality of the workpiece is ensured, after shaping is finished, the six-station rotating mechanism 1 rotates to a position corresponding to an outer diameter adjusting mechanism 4 and automatically adjusts the outer diameter of the workpiece, the consistency of the outer diameter of the workpiece is ensured, after adjustment is finished, the six-station rotating mechanism 1 rotates to a position corresponding to an outer diameter, coaxiality and verticality detecting mechanism 5 and detects the outer diameter, the coaxiality and the verticality of the workpiece, after detection is finished, the six-station rotating mechanism 1 rotates to a position corresponding to a visual detecting mechanism 6 and detects missing parts of the workpiece, after detection is finished, a workpiece lifting mechanism 7 lifts the workpiece, a mechanical hand of the visual detecting mechanism 6 rotates, a clamping claw part clamps the workpiece, and the mechanical hand shunts the workpiece, then the marking machine is used for green painting of qualified product points, red painting of unqualified product points, qualified workpieces are placed in a qualified product channel 8, unqualified workpieces are placed in an unqualified product channel 9 for isolation, the workpieces flow in the qualified product channel 8, the bar code printer 10 automatically prints bar codes after the sensors detect the workpieces are in place, the bar codes are manually pasted on the workpieces and are scanned and recorded by a scanning gun, the accurate data tracing system 11 is used for associating the outer diameter, the coaxiality, the verticality detection data and the visual detection judgment result with the product bar codes, and the subsequent inquiry can be carried out through the accurate data tracing system.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a drum brake automatic adjustment external diameter detection device which characterized in that includes:
the six-station rotating mechanism comprises a six-station divider, a rotary table driven by the six-station divider to rotate and workpiece positioning fixtures uniformly distributed and installed along the circumferential direction of the rotary table, and a drum brake is clamped on the workpiece positioning fixtures and rotates along with the rotary table to sequentially complete six-station conversion;
the outer diameter shaping mechanism is used for shaping the outer diameter of the brake shoe so as to ensure the coaxiality;
the outer diameter adjusting mechanism is used for adjusting the outer diameter of the brake shoe so as to keep the outer diameter of the brake shoe consistent with a standard;
the outer diameter, coaxiality and verticality detection mechanism is used for detecting the outer diameter, coaxiality and verticality of the drum brake;
the visual detection mechanism comprises a mechanical arm with a rotatable hand part, wherein a camera and a clamping jaw which can convert positions through rotation are arranged on the hand part of the mechanical arm;
a work lifting mechanism for lifting the drum brake;
the marking machine is used for marking different marks on the qualified product and the unqualified product;
the qualified product channel is used for conveying drum brakes qualified for detection;
the unqualified product channel is used for conveying the drum brake which is unqualified to detect;
the robot comprises a manipulator, a marking machine, a vision detection mechanism, a camera, a claw, a manipulator, a workpiece lifting mechanism, a manipulator and a marking machine, wherein in the vision detection process, the camera is firstly positioned right above the drum brake, images above the drum brake are collected, then the workpiece lifting mechanism lifts the drum brake, the manipulator rotates a hand to enable the camera to be positioned right below the drum brake, images below the drum brake are collected, after the vision detection is completed, the manipulator rotates a hand to enable the claw to be positioned right below the drum brake, the manipulator stretches the claw into the drum brake from the lower part to be tightly clamped, meanwhile, the workpiece lifting mechanism loosens the drum brake, the manipulator transfers the drum brake to the marking machine position to complete marking by the marking machine, finally, the qualified drum brake is placed on a qualified.
2. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 1, wherein: the outer diameter shaping mechanism comprises a first lifter and a shaper driven by the first lifter to lift, and the shaper comprises a pair of shaping claws and a shaping driver for driving the shaping claws to clamp.
3. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 2, wherein: the shaping claw is provided with an arc-shaped groove matched with the outer arc of the brake shoe.
4. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 1, wherein: the outer diameter adjusting mechanism comprises a second lifter and an adjuster driven by the second lifter to lift, and the adjuster comprises a pair of adjusting claws and an adjusting driver for driving the adjusting claws to open and act on the brake shoes.
5. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 1, wherein: the mechanism for detecting the outer diameter, the coaxiality and the verticality comprises a third lifter, a rotary power device and a measuring and clamping device, wherein the rotary power device and the measuring and clamping device are driven by the third lifter to lift, the rotary power device drives the measuring and clamping device to rotate, and the displacement sensor is in contact with a drum brake.
6. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 5, wherein: the measuring and clamping device comprises a pair of measuring and clamping blocks and a measuring and clamping driver for driving the measuring and clamping blocks to clamp.
7. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 1, wherein: the workpiece lifting mechanism comprises a fourth lifter and a clamping device driven by the fourth lifter to lift, and the clamping device comprises a pair of clamping jaws and a clamping jaw driver for driving the clamping jaws to clamp.
8. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 1, wherein: the jack catch adopts three-jaw chuck.
9. The automatic adjusting outer diameter detection device for the drum brake according to any one of claims 1 to 8, characterized in that: the automatic printing device further comprises a bar code printer, and when the sensor detects that the drum brake conveyed on the qualified product channel reaches a set position, the bar code printer automatically prints a bar code.
10. The automatic adjusting outer diameter detection device for the drum brake as claimed in claim 9, wherein: the system also comprises a data accurate tracing system in communication connection with the outer diameter, coaxiality and verticality detection mechanism and the visual detection mechanism, wherein the bar code is pasted on a workpiece and is input into the data accurate tracing system after being scanned and recorded by a scanning gun, and the data accurate tracing system associates the outer diameter, coaxiality and verticality detection data and the visual detection judgment result with the bar code of the product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920363248.2U CN210121572U (en) | 2019-03-21 | 2019-03-21 | Automatic outer diameter adjusting and detecting device for drum brake |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920363248.2U CN210121572U (en) | 2019-03-21 | 2019-03-21 | Automatic outer diameter adjusting and detecting device for drum brake |
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| CN210121572U true CN210121572U (en) | 2020-03-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000107A (en) * | 2019-03-21 | 2019-07-12 | 浙江亚太机电股份有限公司 | The adjustment of drum brake outer diameter and multi-faceted detection integrated equipment |
| CN111570314A (en) * | 2020-05-25 | 2020-08-25 | 张明杰 | Connecting shaft detection system and detection method thereof |
| CN114083352A (en) * | 2022-01-19 | 2022-02-25 | 浙江金火科技实业有限公司 | Detection equipment and detection method for brake push rod based on numerical control machine tool manufacturing |
| CN117783127A (en) * | 2023-12-26 | 2024-03-29 | 广州宇龙汽车零部件有限公司 | Automatic visual detection workstation of general leak protection welding |
| CN117783127B (en) * | 2023-12-26 | 2024-07-02 | 广州宇龙汽车零部件有限公司 | Automatic visual detection workstation of general leak protection welding |
-
2019
- 2019-03-21 CN CN201920363248.2U patent/CN210121572U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000107A (en) * | 2019-03-21 | 2019-07-12 | 浙江亚太机电股份有限公司 | The adjustment of drum brake outer diameter and multi-faceted detection integrated equipment |
| CN110000107B (en) * | 2019-03-21 | 2024-03-12 | 浙江亚太机电股份有限公司 | Drum brake external diameter adjustment and multidirectional detection integrated equipment |
| CN111570314A (en) * | 2020-05-25 | 2020-08-25 | 张明杰 | Connecting shaft detection system and detection method thereof |
| CN111570314B (en) * | 2020-05-25 | 2022-01-07 | 浙江迅达工业科技有限公司 | Connecting shaft detection system and detection method thereof |
| CN114083352A (en) * | 2022-01-19 | 2022-02-25 | 浙江金火科技实业有限公司 | Detection equipment and detection method for brake push rod based on numerical control machine tool manufacturing |
| CN117783127A (en) * | 2023-12-26 | 2024-03-29 | 广州宇龙汽车零部件有限公司 | Automatic visual detection workstation of general leak protection welding |
| CN117783127B (en) * | 2023-12-26 | 2024-07-02 | 广州宇龙汽车零部件有限公司 | Automatic visual detection workstation of general leak protection welding |
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