CN110142600B - Drum brake neglected loading preventing semi-automatic assembly equipment - Google Patents
Drum brake neglected loading preventing semi-automatic assembly equipment Download PDFInfo
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- CN110142600B CN110142600B CN201910356502.0A CN201910356502A CN110142600B CN 110142600 B CN110142600 B CN 110142600B CN 201910356502 A CN201910356502 A CN 201910356502A CN 110142600 B CN110142600 B CN 110142600B
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- 230000000007 visual effect Effects 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims description 42
- 238000001179 sorption measurement Methods 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 230000002950 deficient Effects 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 6
- 230000007306 turnover Effects 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
- B23P21/006—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed the conveying means comprising a rotating table
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Abstract
The invention discloses a drum brake anti-neglected loading semi-automatic assembly device which comprises an eight-station rotating mechanism, wherein the eight-station rotating mechanism comprises an eight-station divider, a turntable driven to rotate by the eight-station divider and workpiece positioning clamps uniformly distributed along the circumferential direction of the turntable, a scanning and detecting mechanism is arranged corresponding to a feeding and detecting station, a bolt automatic tightening mechanism is arranged corresponding to a bolt automatic tightening station, a lifting and overturning mechanism is arranged corresponding to a lifting and overturning station, an automatic oiling mechanism is arranged corresponding to an automatic oiling station, a jacking rotating mechanism is arranged corresponding to a manual assembling station, and a visual detecting mechanism is arranged corresponding to a manual assembling and visual detecting station. The invention adopts a semi-automatic mode, which not only can reduce the labor intensity, but also can ensure the assembly quality, and solves the problems of low production efficiency, high labor intensity and incapability of ensuring the product quality of the traditional drum brake assembly process.
Description
Technical Field
The invention relates to a drum brake assembly technology.
Background
The traditional drum brake assembly process is completely completed by a plurality of workers, and has the problems of low production efficiency, high labor intensity, incapability of ensuring product quality and the like; seven persons are needed to operate and finish the traditional drum brake assembly process, and the process is as follows: pre-screwing the bolts, oiling, assembling the hoof assembly, installing the pressure spring, installing the self-adjusting mechanism and adjusting the outer diameter; the traditional drum brake pre-screwing bolt process adopts manual operation, is inconvenient to operate, often causes the phenomenon of falling of bolts, and leads to the increase of labor intensity; the traditional drum brake bolt screwing process adopts a fixed torque wrench for screwing, and monitoring means such as bolt screwing torque, angle and the like are not adopted, so that the product quality cannot be ensured; the traditional drum brake oiling and greasing processes all adopt writing brushes for smearing, quantitative smearing cannot be achieved, grease loss is caused, and cost is wasted; the traditional drum brake assembly shoe assembly, the compression spring and the self-adjusting mechanism mounting process adopt manual assembly, so that the surface of a product is frequently bumped, and the quality of the product is affected.
Therefore, how to promote the drum brake assembly process becomes an important research topic for drum brake assemblies; if the drum brake assembly process can be improved, no defective products flow out, and the significance on production and quality is far more profound.
Disclosure of Invention
The invention aims to solve the technical problems of low production efficiency, high labor intensity and incapability of ensuring product quality of the traditional drum brake assembly process by providing the drum brake anti-neglected-loading semi-automatic assembly equipment.
In order to solve the technical problems, the invention adopts the following technical scheme: the drum brake anti-neglected loading semi-automatic assembly equipment comprises an eight-station rotating mechanism, wherein the eight-station rotating mechanism comprises an eight-station divider, a turntable driven to rotate by the eight-station divider and workpiece positioning fixtures uniformly distributed and installed along the circumferential direction of the turntable, workpieces are positioned on the workpiece positioning fixtures and sequentially finish eight-station conversion along with the rotation of the turntable, and the eight stations comprise a feeding and detecting station, an automatic bolt screwing station, a lifting and overturning station, an automatic oiling station, a manual assembling and visual detecting station and a blanking station;
The device comprises a feeding and detecting station, a scanning and detecting mechanism, a first visual detecting mechanism and a second visual detecting mechanism, wherein the scanning and detecting mechanism is arranged corresponding to the feeding and detecting station, and comprises a scanning gun for scanning a two-dimensional code or a bar code stuck on a workpiece and the first visual detecting mechanism for performing error-proof detection on left and right parts of a detecting bottom plate by collecting images of the workpiece and comparing the images with standard images;
the automatic bolt tightening mechanism is arranged corresponding to the automatic bolt tightening station and is used for automatically conveying the bolts and tightening the bolts;
the lifting and overturning mechanism is arranged corresponding to the lifting and overturning station and used for lifting the workpiece from the positioning clamp and overturning the workpiece after the workpiece is lifted to a designated position;
An automatic oiling mechanism is arranged corresponding to the automatic oiling station and is used for oiling and oiling the appointed position of the workpiece;
the lifting rotating mechanism is arranged corresponding to the manual assembly station, the compression spring is assembled manually at the manual assembly station, after the compression spring on the left side is assembled, the lifting rotating mechanism lifts the workpiece and then rotates the workpiece, and the workpiece is put down to the workpiece positioning clamp again for the installation of the right compression spring;
the second visual detection mechanism is arranged corresponding to the manual assembly and visual detection station, and after the manual assembly and visual detection station manually completes the installation of the self-adjusting mechanism shifting plate and the shifting plate spring, the second visual detection mechanism acquires a workpiece image and compares the workpiece image with a standard image to judge whether the manual assembly part has neglected loading or not;
and a discharging manipulator is arranged corresponding to the discharging station and used for grabbing the workpiece to finish discharging.
Optionally, the scanning and detecting mechanism further comprises a bottom plate detecting structure for detecting whether the bottom plate is stamped to be qualified or not, the bottom plate detecting structure comprises a detecting plate which is elastically supported by a fulcrum spring and serves as a lever fulcrum, one end of the detecting plate is located below the bottom plate, a displacement sensor is arranged above the other end of the detecting plate, and whether the bottom plate is qualified or not is judged according to whether a displacement value detected by the displacement sensor is within a set value range or not.
Optionally, the automatic screw-down mechanism of bolt includes vibration dish feeding mechanism, bolt separating mechanism, pushes down mechanism, three-dimensional servo slip table, the bolt adsorption mechanism and the electronic machine of screwing up of being connected with three-dimensional servo slip table, three-dimensional servo slip table drives bolt adsorption mechanism and electronic machine of screwing up motion, vibration dish feeding mechanism includes vibration dish and pay-off track, the pay-off track carries the bolt of vibration dish output to bolt separating mechanism direction, bolt separating mechanism separates the terminal bolt of pay-off track and places the assigned position, bolt adsorption mechanism adsorbs and accomplishes the pre-installation to the bolt of assigned position, electronic machine of screwing up is screwed up the bolt.
Optionally, the bolt separating mechanism comprises a separating block and a separating cylinder, wherein a separating groove for receiving the output bolt of the feeding track is formed in the side surface of the tail end of the feeding track, and the separating cylinder drives the separating block to linearly move so as to convey the bolt in the separating groove to the specified adsorption position of the bolt adsorbing mechanism and return to the receiving position corresponding to the tail end of the feeding track.
Optionally, the separation tank is provided with a bolt in-place sensor for detecting the in-place of the bolt and a vacuum absorber for absorbing the bolt.
Optionally, promote tilting mechanism includes and promotes the jar, by lifting the material subassembly and the upset motor of taking of jar drive lift, the material subassembly includes a pair of clamping jaw, upset motor drive material subassembly is rotatory, the clamping jaw is pressed from both sides tightly by the clamping jaw motor drive.
Optionally, the automatic oiling mechanism is an automatic oiling manipulator, the hand of automatic oiling manipulator is equipped with the fuel sprayer, promote tilting mechanism and set up on the revolving stage, the revolving stage is rotatory to the oiling position of automatic oiling manipulator after the work piece promotes the upset.
Optionally, a reject channel is further arranged corresponding to the automatic oiling station, a chuck is arranged at the hand part of the automatic oiling manipulator, and the automatic oiling manipulator clamps the workpiece through the chuck and places the workpiece which is unqualified or/and is not screwed in place by the first detection mechanism into the reject channel.
Optionally, still be provided with brake shoe and strut the mechanism corresponding manual assembly and visual detection station, brake shoe struts the mechanism and includes a pair of tensioning piece, the outside open lifter of drive a pair of tensioning piece and the tensioning lift cylinder that drives lifter lift that the level set up on linear guide side by side, the tensioning piece is equipped with the tensioning finger.
Optionally, the lifting block is provided with a V-shaped head, and the tensioning block is provided with a roller acting with the V-shaped head.
The invention adopts the technical scheme and has the following beneficial effects:
1. Before assembly, the left and right parts of the bottom plate are detected by a first visual detection mechanism to prevent errors, and after the detection is qualified, the eight-station rotation mechanism automatically rotates to a bolt automatic tightening station to prevent unqualified products from entering an assembly process. And whether the stamping of the bottom plate is qualified can be further detected.
2. The automatic feeding and automatic tightening mechanism for the bolts is adopted, the bolts are separated by the bolt separating mechanism after being fed into place, the phenomenon that the bolts are missed does not occur, the electric tightening machine can prevent the tightening moment and the angle from being wrong, the tightening curve is monitored, the green paint pen is automatically checked after being qualified, the tightening quality is ensured, and the phenomenon that the bolts are not tightened in place is avoided.
3. The automatic oiling mechanical arm is used for oiling and greasing, quantitative smearing can be achieved, and grease loss is avoided.
4. The automatic oiling machine is characterized in that an unqualified product channel is further arranged corresponding to the automatic oiling station, and the automatic oiling machine hand can place a workpiece which is unqualified in detection by the first visual detection mechanism or/and is not screwed in place by the bolt into the unqualified product channel, so that the unqualified product is prevented from flowing to the next station.
5. After the assembly is completed, the second visual detection mechanism performs visual detection, after the detection is completed, the qualified workpiece is automatically detected to flow to the offline station, and unqualified products can be separated by the manipulator, so that the unqualified products are prevented from flowing to the offline station.
6. The compression spring is installed in the manual assembly station by the manual work, and after the compression spring on the left side is installed, the jacking rotating mechanism jacks up the workpiece and then rotates the workpiece, and the workpiece is put down to the workpiece positioning clamp again to install the compression spring on the right side, so that the compression springs in two directions are assembled manually conveniently.
7. The brake shoe is propped by the brake shoe propping mechanism, so that the automatic adjusting mechanism poking plate and poking plate spring installation can be conveniently completed manually.
8. By adopting a semi-automatic mode, the work that the machine cannot be assembled or the finishing effect is poor is finished by manual assembly, so that the labor intensity can be reduced, the assembly quality can be ensured, and the problems that the production efficiency is low, the labor intensity is high and the product quality cannot be ensured in the conventional drum brake assembly process are solved.
The specific technical scheme and the beneficial effects of the invention are described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a scanning and detecting mechanism according to the present invention;
FIG. 3 is a schematic view of the automatic bolt tightening mechanism of the present invention;
FIG. 4 is a schematic diagram of the cooperation of the vibration plate feeding mechanism and the bolt separating mechanism according to the present invention;
FIG. 5 is a schematic view of a lifting and overturning mechanism according to the present invention;
FIG. 6 is a schematic view of the automated oiling mechanism and reject path of the present invention;
FIG. 7 is a schematic diagram of a second embodiment of the brake shoe spreader mechanism and visual inspection mechanism of the present invention;
Fig. 8 is a schematic structural view of the jacking rotation mechanism of the present invention.
Detailed Description
As shown in fig. 1 to 8, a drum brake anti-neglected loading semi-automatic assembling apparatus includes:
Eight station rotary mechanism 10, including eight station separators, by eight station separators drive rotatory carousel and along the work piece positioning fixture of carousel circumference equipartition installation, work piece positioning fixture just rotates along with the carousel and accomplishes eight station conversions in proper order, eight stations include material loading and detection station, the automatic station of screwing up of bolt, promote and upset station, automatic fat liquoring station, artifical equipment and vision detection station, unloading station, still be the empty station, can set up between artifical equipment station, artifical equipment and vision detection station both.
The scanning and detecting mechanism 11 is arranged corresponding to the feeding and detecting station, and comprises a scanning gun for scanning a two-dimensional code or a bar code stuck on a workpiece and a first visual detecting mechanism 113 for detecting the left and right parts of the detecting bottom plate in an error-proof manner by collecting images of the workpiece and comparing the images with standard images. Here, the two-dimensional code scanning gun 111 or the barcode scanning gun 112 may be provided separately, or the two-dimensional code scanning gun and the barcode scanning gun may be provided at the same time, but the two-dimensional code scanning gun and the barcode scanning gun may be integrated. It should be appreciated by those skilled in the art that the base plate is a component of the drum brake, and is divided into left and right directions, and is distinguished according to the position of the hole on the base plate, so that the visual detection mechanism can detect the position of the hole on the base plate to prevent errors, and if errors occur, the alarm can be given to prevent the errors from flowing into the next process. The feeding can be completed manually or by a feeding manipulator.
An automatic bolt tightening mechanism 12 is provided corresponding to the automatic bolt tightening station for automatically conveying the bolts and tightening the bolts.
And a lifting and overturning mechanism 13 is arranged corresponding to the lifting and overturning station and used for lifting the workpiece from the positioning fixture and overturning the workpiece after the workpiece is lifted to the designated position.
An automatic oiling mechanism 14 is arranged corresponding to the automatic oiling station and is used for oiling and oiling the designated position of the workpiece.
The jacking rotating mechanism 18 is arranged corresponding to the manual assembly station, the compression spring is assembled manually at the manual assembly station, after the compression spring on the left side is assembled, the workpiece is jacked by the jacking rotating mechanism and then rotated, and the workpiece is put down to the workpiece positioning clamp again for the installation of the right compression spring.
The second visual detection mechanism 17 is arranged corresponding to the manual assembly and visual detection station, and after the manual assembly and visual detection station is installed by manually completing the automatic adjustment mechanism shifting plate and the shifting plate spring, the second visual detection mechanism acquires workpiece images and compares the workpiece images with standard images to judge whether neglected loading exists in the manual assembly part.
And a discharging manipulator is arranged corresponding to the discharging station and used for grabbing the workpiece to finish discharging.
After the assembly is completed, the second visual detection mechanism performs visual detection, after the detection is completed, the qualified workpiece is automatically detected to flow to the offline station, and unqualified products can be separated by the manipulator, so that the unqualified products are prevented from flowing to the offline station.
By adopting a semi-automatic mode, the work that the machine cannot be assembled or the finishing effect is poor is finished by manual assembly, so that the labor intensity can be reduced, the assembly quality can be ensured, and the problems that the production efficiency is low, the labor intensity is high and the product quality cannot be ensured in the conventional drum brake assembly process are solved.
Referring to fig. 2, the scanning and detecting mechanism further includes a base plate detecting structure 114 for detecting whether the base plate is stamped to be qualified, the base plate detecting structure includes a detecting plate elastically supported by a supporting point spring and serving as a supporting point of the lever, one end of the detecting plate is located below the base plate, a displacement sensor is disposed above the other end of the detecting plate, and whether the base plate is qualified is determined according to whether a displacement value detected by the displacement sensor is within a set value range.
The first visual detection mechanism detects that the left and right parts of the bottom plate are error-proof, and whether the bottom plate is punched to be qualified or not can be further detected, so that unqualified products are prevented from entering an assembly process.
Referring to fig. 3 and 4, the automatic screw-down mechanism 12 includes a vibration plate feeding mechanism 121, a bolt separating mechanism, a pressing mechanism 123, a three-dimensional servo sliding table 122, a bolt adsorbing mechanism 124 connected with the three-dimensional servo sliding table, and an electric screw-down machine 125, the three-dimensional servo sliding table drives the bolt adsorbing mechanism and the electric screw-down machine to move, the vibration plate feeding mechanism includes a vibration plate and a feeding track 1211, the feeding track conveys the bolts output by the vibration plate to the direction of the bolt separating mechanism, the bolt separating mechanism separates and places the bolts at the tail end of the feeding track at a designated position, the bolt adsorbing mechanism adsorbs and completes pre-installation of the bolts at the designated position, and the electric screw-down machine screws down the bolts.
Arrive the automatic station of screwing up of bolt, compress tightly drum brake through pushing down the mechanism, then just can carry out operations such as bolt tightening down, pushing down the mechanism and having a pair of clamp arm, the clamp arm has the clamp part that extends to drum brake, and the clamp part is connected with the polyurethane protective layer, prevents product surface fish tail.
The bolt adsorption mechanism and the electric tightening machine can adopt the structures in the prior art. The electric tightening machine can prevent errors of tightening torque and angles and monitor tightening curves. The suction nozzle of the bolt adsorption mechanism and the tightening gun of the electric tightening machine are vertically corresponding, the bolt adsorption mechanism and the electric tightening machine can synchronously move along with the three-dimensional servo sliding table, and meanwhile, the bolt adsorption mechanism and the electric tightening machine can lift to cooperate to complete adsorption and release of the bolt and automatic tightening of the bolt.
Here, the automatic bolt tightening mechanism 12 further includes a marking machine 126 connected to the three-dimensional servo slipway, and the automatic green paint pen is spotted after the bolt is screwed up.
The bolt separating mechanism comprises a separating block 1212 and a separating cylinder 1213, wherein a separating groove for receiving the bolt output from the feeding track is arranged on the side surface of the tail end of the feeding track, and the separating cylinder drives the separating block to linearly move so as to convey the bolt in the separating groove to the designated adsorption position of the bolt adsorbing mechanism and return to the receiving position corresponding to the tail end of the feeding track. The separating groove is provided with a bolt in-place sensor for detecting the bolt in place and a vacuum absorber for absorbing the bolt.
Referring to fig. 5, the lifting and turning mechanism 13 includes a lifting cylinder 131, a material taking assembly 132 driven by the lifting cylinder to lift and a turning motor 133, where the material taking assembly includes a pair of clamping jaws, and the turning motor drives the material taking assembly to rotate, and the clamping jaws are driven by the clamping jaw motor to clamp.
Referring to fig. 6, the automatic oiling mechanism 14 is an automatic oiling manipulator, a hand of the automatic oiling manipulator is provided with an oil nozzle 141, the lifting and turning mechanism is disposed on the rotary table, and the rotary table rotates to an oiling position of the automatic oiling manipulator after lifting and turning the workpiece. The workpiece is not oiled here as it rotates with the turntable to the automated oiling station. The automatic oiling mechanical arm is used for oiling and greasing, quantitative smearing can be achieved, and grease loss is avoided.
In addition, a defective product channel 15 is further arranged corresponding to the automatic oiling station, a chuck 142 is arranged on the hand of the automatic oiling manipulator, and the automatic oiling manipulator clamps the workpiece through the chuck and places the workpiece which is unqualified or/and is not screwed in place by the first detection mechanism into the defective product channel. Thereby, the flow of reject product to the next station is avoided.
Referring to fig. 7, a brake shoe opening mechanism 16 is further provided corresponding to the manual assembly and visual inspection station, and the brake shoe opening mechanism includes a pair of tensioning blocks 161 horizontally arranged on the linear guide rail side by side, a lifting block 162 driving the pair of tensioning blocks to open outwards, and a tensioning lifting cylinder 163 driving the lifting block to lift, where the tensioning blocks are provided with tensioning fingers. The lifting block is provided with a V-shaped head, and the tensioning block is provided with a roller acting with the V-shaped head. The brake shoe is propped by the brake shoe propping mechanism 16, so that the automatic adjusting mechanism poking plate and poking plate spring installation can be conveniently completed manually.
Referring to fig. 8, the lifting and rotating mechanism 18 includes a lifting structure 181 and a rotating structure 182, wherein the lifting structure lifts the workpiece, and then the rotating structure drives the workpiece to rotate, the lifting mechanism may adopt an electric cylinder or an air cylinder, and the rotating structure may adopt a combination of a motor and a speed reducer or an air cylinder.
It can be appreciated by those skilled in the art that the blanking manipulator may adopt the prior art, and has lifting, translation and grabbing functions, so as to complete grabbing and transferring of the workpiece, for example, lifting is completed by a lifting cylinder, translation is realized by a translation cylinder, and a clamping jaw cylinder drives a clamping jaw to complete grabbing.
The operation flow of the device of the invention is as follows:
1. And (3) feeding and detecting stations, placing a workpiece on a workpiece positioning fixture, pressing two-hand starting buttons, scanning two-dimensional codes on the surface of the workpiece, recording, detecting left and right parts of a bottom plate, preventing errors, and automatically starting an eight-station rotating mechanism to rotate to an automatic bolt screwing station after the detection is qualified.
2. The automatic screwing station of bolt that flows, the bolt passes through vibration dish feeding mechanism automatic feeding, separates the bolt through bolt separating mechanism, and bolt adsorption mechanism adopts vacuum adsorption bolt, and electronic screwing machine is automatic to screw up the bolt, and to screw up moment and angle and prevent mistake, screw up the curve and monitor, automatic point green paint pen after passing carries out the point and examines, automatic start to promote and upset station after accomplishing.
3. The flow is transferred to a lifting and overturning station, a workpiece is lifted from a workpiece positioning clamp by a claw, overturning is carried out after the workpiece positioning clamp is lifted to a designated position, a rotary table rotates after overturning is finished, the workpiece is rotated to an oiling position of an automatic oiling manipulator, and an oil nozzle at the head of the manipulator carries out oiling on the designated position of the workpiece; and the first detection of the preamble station visual detection mechanism is failed or/and the screw tightening is failed, the three-jaw chuck at the head of the manipulator clamps the workpiece, and the workpiece is placed in a failed product channel for isolation.
4. The flow goes to the manual assembly station and assembles the brake shoe, adorns the pressure spring, and there are two sets about the pressure spring installation time, in order to facilitate the operation, and the manual assembly station is provided with jacking rotary mechanism, conveniently carries out the pressure spring installation.
5. And the flow goes to a manual assembly and visual detection station, a self-adjusting mechanism poking plate and a poking plate spring are manually assembled, and after the installation is completed, the visual detection mechanism II performs visual detection.
6. After the detection is completed, the material flows to a blanking station, and the material is blanked by a blanking manipulator.
While the invention has been described in terms of specific embodiments, it will be appreciated by those skilled in the art that the invention is not limited to the specific embodiments described above. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.
Claims (8)
1. The utility model provides a semi-automatic assembly equipment of drum brake neglected loading preventing which characterized in that: the automatic oil coating and cutting machine comprises an eight-station rotating mechanism, wherein the eight-station rotating mechanism comprises an eight-station divider, a turntable driven to rotate by the eight-station divider and workpiece positioning fixtures uniformly distributed and installed along the circumferential direction of the turntable, a workpiece is positioned on the workpiece positioning fixtures and sequentially completes eight-station conversion along with the rotation of the turntable, and the eight stations comprise a feeding and detecting station, an automatic bolt screwing station, a lifting and overturning station, an automatic oil coating station, a manual assembly and visual detection station and a discharging station;
The device comprises a feeding and detecting station, a scanning and detecting mechanism, a first visual detecting mechanism and a second visual detecting mechanism, wherein the scanning and detecting mechanism is arranged corresponding to the feeding and detecting station, and comprises a scanning gun for scanning a two-dimensional code or a bar code stuck on a workpiece and the first visual detecting mechanism for performing error-proof detection on left and right parts of a detecting bottom plate by collecting images of the workpiece and comparing the images with standard images;
the automatic bolt tightening mechanism is arranged corresponding to the automatic bolt tightening station and is used for automatically conveying the bolts and tightening the bolts;
the lifting and overturning mechanism is arranged corresponding to the lifting and overturning station and used for lifting the workpiece from the positioning clamp and overturning the workpiece after the workpiece is lifted to a designated position;
An automatic oiling mechanism is arranged corresponding to the automatic oiling station and is used for oiling and oiling the appointed position of the workpiece;
the lifting rotating mechanism is arranged corresponding to the manual assembly station, the compression spring is assembled manually at the manual assembly station, after the compression spring on the left side is assembled, the lifting rotating mechanism lifts the workpiece and then rotates the workpiece, and the workpiece is put down to the workpiece positioning clamp again for the installation of the right compression spring;
the second visual detection mechanism is arranged corresponding to the manual assembly and visual detection station, and after the manual assembly and visual detection station manually completes the installation of the self-adjusting mechanism shifting plate and the shifting plate spring, the second visual detection mechanism acquires a workpiece image and compares the workpiece image with a standard image to judge whether the manual assembly part has neglected loading or not;
a blanking manipulator is arranged corresponding to the blanking station and used for grabbing a workpiece to finish blanking;
The scanning and detecting mechanism further comprises a bottom plate detecting structure for detecting whether the bottom plate is qualified or not through stamping, the bottom plate detecting structure comprises a detecting plate which is elastically supported by a fulcrum spring and serves as a lever fulcrum, one end of the detecting plate is located below the bottom plate, a displacement sensor is arranged above the other end of the detecting plate, and whether the bottom plate is qualified or not is judged according to whether a displacement value detected by the displacement sensor is within a set value range or not;
the automatic screw-down mechanism of bolt includes vibration dish feeding mechanism, bolt separating mechanism, pushes down mechanism, three-dimensional servo slip table, the bolt adsorption mechanism and the electronic machine of screwing up of being connected with three-dimensional servo slip table, three-dimensional servo slip table drives bolt adsorption mechanism and electronic machine of screwing up motion, vibration dish feeding mechanism includes vibration dish and pay-off track, the bolt of vibration dish output is carried to bolt separating mechanism direction to the pay-off track, bolt separating mechanism separates the terminal bolt of pay-off track and places appointed position, bolt adsorption mechanism adsorbs and accomplishes the pre-installation to the bolt of appointed position, electronic machine of screwing up is screwed up the bolt.
2. The drum brake neglected loading prevention semiautomatic assembly equipment as claimed in claim 1, wherein: the bolt separating mechanism comprises a separating block and a separating cylinder, wherein a separating groove for receiving an output bolt from the feeding track is formed in the side face of the tail end of the feeding track, and the separating cylinder drives the separating block to linearly move so as to convey the bolt in the separating groove to the appointed adsorption position of the bolt adsorbing mechanism and return to the receiving position corresponding to the tail end of the feeding track.
3. The drum brake neglected loading prevention semiautomatic assembly equipment as claimed in claim 2, wherein: the separating groove is provided with a bolt in-place sensor for detecting the bolt in place and a vacuum absorber for absorbing the bolt.
4. A drum brake neglected loading preventing semiautomatic assembling apparatus according to any one of claims 1 to 3, wherein: the lifting turnover mechanism comprises a lifting electric cylinder, a material taking assembly driven to lift by the lifting electric cylinder and a turnover motor, wherein the material taking assembly comprises a pair of clamping jaws, the turnover motor drives the material taking assembly to rotate, and the clamping jaws are clamped by the clamping jaw motor.
5. The drum brake neglected loading prevention semiautomatic assembly equipment as claimed in claim 4, wherein: the automatic oiling mechanism is an automatic oiling manipulator, an oil nozzle is arranged on the hand of the automatic oiling manipulator, the lifting turnover mechanism is arranged on the rotary table, and the rotary table rotates to an oiling position of the automatic oiling manipulator after the workpiece is lifted and turned.
6. The drum brake neglected loading prevention semiautomatic assembly equipment as claimed in claim 5, wherein: the automatic oiling machine is characterized in that a defective product channel is further arranged corresponding to the automatic oiling station, a chuck is arranged at the hand part at the designated adsorption position, the automatic oiling machine hand clamps the workpiece through the chuck, and the workpiece which is unqualified or/and is not screwed in place by the first detection mechanism is placed in the defective product channel.
7. The drum brake neglected loading prevention semiautomatic assembly equipment as claimed in claim 1, wherein: the automatic brake shoe opening device is characterized by further comprising a brake shoe opening mechanism corresponding to the manual assembly and visual detection station, wherein the brake shoe opening mechanism comprises a pair of tensioning blocks horizontally arranged on the linear guide rail side by side, a lifting block for driving the pair of tensioning blocks to open outwards and a tensioning lifting electric cylinder for driving the lifting block to lift, and tensioning fingers are arranged on the tensioning blocks.
8. The drum brake neglected loading prevention semiautomatic assembly equipment as claimed in claim 7, wherein: the lifting block is provided with a V-shaped head, and the tensioning block is provided with a roller acting with the V-shaped head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356502.0A CN110142600B (en) | 2019-04-29 | 2019-04-29 | Drum brake neglected loading preventing semi-automatic assembly equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356502.0A CN110142600B (en) | 2019-04-29 | 2019-04-29 | Drum brake neglected loading preventing semi-automatic assembly equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110142600A CN110142600A (en) | 2019-08-20 |
| CN110142600B true CN110142600B (en) | 2024-06-11 |
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