CN214621055U - Assembling and detecting combined production line for automobile engine chain tensioner - Google Patents
Assembling and detecting combined production line for automobile engine chain tensioner Download PDFInfo
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- CN214621055U CN214621055U CN202120394979.0U CN202120394979U CN214621055U CN 214621055 U CN214621055 U CN 214621055U CN 202120394979 U CN202120394979 U CN 202120394979U CN 214621055 U CN214621055 U CN 214621055U
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Abstract
The utility model provides an assembly and detection combined production line of a chain tensioner of an automobile engine, aiming at the problem that the fit clearance between a plunger and a shell of the assembled tensioner is unqualified although the shell and the plunger are qualified through detection when the tensioner is detected and assembled in the prior art, which comprises a first station provided with a plunger outer diameter and air tightness detection tool, a second station provided with a shell inner diameter detection tool, a third station provided with a shell air tightness detection tool and a fourth station provided with a tensioner detection and assembly tool, wherein the first station, the second station, the third station and the fourth station are positioned in the same operation space, the assembly and detection combined production line of the chain tensioner of the automobile engine can prevent the plunger and the shell from being qualified and unqualified during assembly, and realize single circulation management of workpieces, practice thrift administrative cost and prevent that unnecessary defective products from taking place, detect whole tensioning ware again after the equipment, guarantee the product quality.
Description
Technical Field
The utility model belongs to the technical field of spare part equipment, detection, in particular to automobile engine chain tensioning ware equipment, detection combination formula production line.
Background
As shown in fig. 7, the tensioner comprises a housing 203, a plunger 104, a labyrinth 121, a spring 105, and a latch and check valve (not shown in the figure), the plunger is disposed in a plunger hole of the housing, the spring and the labyrinth are disposed in an inner hole of the plunger, and the plunger and the housing are locked by the latch. In the process of detecting and assembling the chain tensioner of the automobile engine, the outer diameter of the plunger and the inner diameter of the shell, the sealing performance of the plunger and the sealing performance of the shell need to be detected, after the detection is finished, manual recording is carried out, data recorded in each process are compared, and qualified parts are screened out and enter the assembling process; in the detection process, manual detection is performed, the plunger is detected and assembled at one station, the shell is detected and assembled at the other station or two stations, the detected plunger and the shell are stacked together, the plunger and the shell are assembled at the other station, and the station arrangement is adopted, so that the outer diameter of the plunger and the inner diameter of the shell have matching tolerance, and sometimes, after the single shell or the plunger is detected to be qualified, the assembled tensioner is unqualified as the clearance between the plunger and the shell does not meet the requirement, the manpower and material resources are wasted, and the production efficiency is reduced.
Disclosure of Invention
Aiming at the problem that although the shell and the plunger are qualified through detection when the tensioner is assembled in the prior art, the fit clearance between the plunger and the shell of the assembled tensioner is unqualified, the assembling and detecting combined production line for the chain tensioner of the automobile engine is provided.
The above object of the present invention can be achieved by the following technical solutions:
an automobile engine chain tensioner assembling and detecting combined production line comprises a first station provided with a plunger outer diameter and air tightness detecting tool, a second station provided with a shell inner diameter detecting tool, a third station provided with a shell air tightness detecting tool and a fourth station provided with a tensioner detecting and assembling tool, wherein the first station, the second station, the third station and the fourth station are positioned in the same operation space, the first station is an upstream station of the fourth station, the second station is an upstream station of the third station, and the third station is an upstream station of the fourth station;
the plunger outer diameter and air tightness detection tool comprises a plunger outer diameter detection device and a plunger air tightness detection device, the plunger outer diameter detection device comprises a first pneumatic measuring instrument and a plunger outer diameter detection head, a gas outlet of the first pneumatic measuring instrument is communicated with the plunger outer diameter detection head through a gas output pipeline, and the plunger outer diameter detection head is supported through a first support; the plunger air tightness detection device comprises a plunger air tightness detection head and a second support, the plunger air tightness detection head is supported and fixed by the second support, the plunger air tightness detection head is communicated with an air outlet of the high-pressure air supply device through a second gas pipeline, the plunger air tightness detection head is positioned on one side of the plunger outer diameter detection head, a transverse jacking cylinder is arranged on the other side of the plunger outer diameter detection head, when the plunger is positioned on the plunger outer diameter detection head, a piston rod of the plunger and the transverse jacking cylinder is coaxially arranged with the plunger air tightness detection head, a vertical pressing cylinder is arranged above the plunger outer diameter detection head, and a piston rod of the vertical pressing cylinder is arranged towards the plunger outer diameter detection head; an air tightness flow detection electromagnetic valve and the plunger air tightness flow sensor are arranged on the gas pipeline II and/or the plunger air tightness detection head;
the shell inner diameter detection tool comprises a pneumatic measuring instrument II and a shell inner diameter detection head, the shell inner diameter detection head is supported and fixed by a support III, the shell inner diameter detection head is communicated with a gas outlet of the pneumatic measuring instrument II through a gas pipeline III, a one-way valve pressing cylinder is arranged above the shell inner diameter detection head, and a piston rod of the one-way valve pressing cylinder is arranged towards the shell inner diameter detection head;
the shell airtightness detection tool comprises a shell airtightness detection head and a third support, the shell airtightness detection head is supported and fixed by the third support, the shell airtightness detection head is communicated with the high-pressure gas supply device through a gas pipeline IV, a shell airtightness detection compaction cylinder is arranged above the shell airtightness detection head, and a piston rod of the shell airtightness detection compaction cylinder faces the shell airtightness detection head;
the tensioner detection and assembly tool comprises a tensioner air tightness measuring instrument, a tensioner air tightness detecting head and a tensioner spring load pressure detector, the tensioner air tightness measuring instrument is connected with the tensioner air tightness detecting head through a gas pipeline, the tensioner spring load pressure detector comprises a tensioner positioning tool, a servo electric cylinder, a tensioner pressing rod and a pressure sensor, a piston rod of the servo electric cylinder is arranged downwards and is opposite to the tensioner positioning tool, the tensioner pressing rod is arranged on the piston rod of the servo electric cylinder, the pressure sensor is arranged between the tensioner pressing rod and the servo electric cylinder, and the tensioner air tightness detecting head is arranged on the tensioner positioning tool and is coaxial with the tensioner piston rod;
the tensioner positioning tool comprises a fifth support, a positioning surface is arranged on the upper surface of the fifth support, a supporting surface is arranged perpendicular to the positioning surface, connecting holes are formed in the supporting surface and correspond to the positioning holes in the tensioner in position and size, the tensioner is fixedly connected with the supporting surface through bolts, an air tightness detecting hole is formed in the positioning surface, an air tightness detecting head of the tensioner is located in the air tightness detecting hole, and the positioning surface is located below a pressing rod of the tensioner;
the control device is in electric signal connection with the plunger outer diameter and air tightness detection tool, the shell inner diameter detection tool, the shell air tightness detection tool and the tensioner detection and assembly tool, receives the plunger outer diameter size sent by the plunger outer diameter and air tightness detection tool and the shell inner diameter size sent by the shell inner diameter detection tool, and compares and judges whether the fit clearance between the plunger outer diameter and air tightness detection tool and the shell inner diameter size meets the requirement; receiving and recording the gas flow which is sent by the plunger gas tightness flow sensor and flows through the inner hole of the plunger, the gas flow which is sent by the shell gas tightness flow sensor and flows through the plunger hole of the shell and the spring load pressure value detected by the tensioner spring pressure detector;
the vertical pressing cylinder, the transverse jacking cylinder and the air tightness flow detection solenoid valve are all in electric signal connection with the output end of the control device, and the plunger air tightness flow sensor and the pneumatic measuring instrument I are respectively in electric signal connection with the input end of the control device;
an air tightness measuring electromagnetic valve is arranged on the gas pipeline IV, and the shell air tightness measuring electromagnetic valve and the shell air tightness detection pressing cylinder are respectively connected with the control device through electric signals; the second pneumatic measuring instrument, the shell air tightness flow sensor, the tensioner air tightness measuring instrument and the tensioner spring load pressure detector are respectively and electrically connected with the input end of the control device;
the same operation space be the operation platform frame, the operation platform frame includes operation platform, landing leg and platform frame, the platform frame includes preceding frame, left frame, right frame and top, the left side, front side and the right side setting that the platform frame encircles operation platform and connect preceding frame, left frame, right frame by the top, operation platform is fixed to be set up on the landing leg.
Compared with the prior art, the utility model, have following advantage and effect:
the combined production line for assembling and detecting the chain tensioner of the automobile engine adopting the structure of the utility model is characterized in that the first station as the plunger outer diameter and air tightness detecting station is positioned at the upstream of the fourth station as the tensioner detecting and assembling tool station, and the second station as the casing inner diameter detecting station is positioned at the upstream of the third station as the casing air tightness detecting station; the plunger detected in the first station can be directly placed on the fourth station, the shell detected in the second station and the third station can be placed on the fourth station, one-to-one corresponding assembly of the plunger and the shell is realized on the fourth station, and when the clearance between the plunger and the shell exceeds the standard, a pair of the over-standard plunger and the shell are placed on other positions for waiting treatment, so that the phenomenon that the plunger and the shell are qualified but unqualified after assembly is prevented, single-cycle management of workpieces is realized, the management cost is saved, and unnecessary unqualified products are prevented; the whole tensioner is detected after assembly, and the product quality is guaranteed.
Each station is designed in a modular mode, and the tensioner with different specifications and models can be adapted by replacing detection heads and tool fixtures with different specifications and specifications, so that flexible production of multiple varieties can be realized;
when the control device is used for controlling, the sizes of the plunger piston and the shell of the tensioner on each detection line can be matched and compared in a one-to-one correspondence mode, products with insufficient precision can be found before the products are assembled, and waste products caused by mismatch of precision errors can be prevented in advance. And the detection condition of the product is recorded on line, so that the product quality is easy to track.
Drawings
FIG. 1 is a schematic view of a layout elevation of an assembly and inspection combined production line for a chain tensioner of an automobile engine according to the present invention;
FIG. 2 is a perspective view of the assembly and inspection assembly line of the chain tensioner of the automobile engine of the present invention;
FIG. 3 is a schematic view A-A of FIG. 1;
FIG. 4 is a schematic structural diagram of an embodiment of a tool in a first station and a second station;
FIG. 5 is a schematic structural view of an embodiment of a tooling in a third station and a fourth station;
FIG. 6 is a schematic structural view of an embodiment of a tensioner positioning tool;
FIG. 7 is a tensioner component view;
FIG. 8 is a schematic structural diagram of an embodiment of the airtightness detection head for a housing.
Description of reference numerals:
1-station one; 100. a plunger outer diameter and air tightness detection tool; 101-a first pneumatic measuring instrument; 102-transverse jacking cylinder; 103-plunger outer diameter detecting head; 104-a plunger; 105-a spring; 106-plunger airtightness detection head; 107-vertical hold down cylinders; 108-gas line one; 109-support one; 110-gas line two; 111-support two; labyrinth-121; 122-plunger air tightness detection head core; 123-a sleeve; 124-detecting head hole;
2-station two; 200. a shell inner diameter detection tool; 201-pneumatic measuring instrument two; 202-a housing inside diameter detection head; 203-a housing; 204-a check valve hold-down cylinder; 205-support three; 206-gas line three; 223-one-way valve;
3-station III; 300-a shell air tightness detection tool; 301-shell air-tightness detection head; 302-housing hermetic seal detection hold-down cylinder; 303-gas line four; 304-support four; 305-a headstock; 306-detecting the head stem; 307-sealing ring two;
4-working position four; 400-tensioner detection and assembly tool 401-tensioner positioning tool; 402-a tensioner; 403-tensioner tightness gauge; 404-servo electric cylinder; 405-a pressure sensor; 406-tensioner strut; 407-tensioner spring force detection means; 408-tensioner gas tightness detection head; 409-gas line five; 410-installing a positioning surface; 411-scaffold five; 412 a support surface; 421-latch.
700-operating the platform framework.
Detailed Description
The following detailed description of embodiments of the present patent refers to the accompanying drawings.
The utility model discloses the upper reaches that well point out are according to the flow direction of the work piece of production line, and the upper reaches of non-geographical position, refer to the direction of transfer of work piece, and the station that the work piece was transmitted is the upper reaches station, and the station of receiving the work piece is the low reaches station, and upper reaches station and low reaches station can be adjacent station, also can have other stations between the two.
The assembly detection production line of the tensioner consists of 4 stations, namely a station I1, a plunger outer diameter and air tightness detection station; a second station 2 and a shell inner diameter detection station; a third station 3 and a shell air tightness detection station; and a fourth station 4 and tensioner detection and assembly tool stations which are preferably arranged on an operation platform or in an operation platform frame, so that the machining process realizes 'one-piece flow' type flow production, and workpieces move according to the set stations to complete all detection and assembly operations. Preferably, each production line is located within the same station frame 700, with stations sequentially spaced from front to back on the station, and assembly and inspection of a tensioner is accomplished by one or two operators. Each station can also be arranged by taking the station four as a center, for example, the station one is arranged on one side of the station four, the station two and the station three are arranged on the other side of the station four, the station three is adjacent to the station four, the station one is adjacent to the station four, the station three is arranged between the station two and the station four, the station one is an upstream station of the station four, the station two is an upstream station of the station three, and the station three is an upstream station of the station four. According to the arrangement, the plunger detected in the first station can be directly placed on the fourth station, the shell detected in the second and third stations can be placed on the fourth station, the assembly of the plunger and the shell and the detection of the whole tensioner are realized on the fourth station, and meanwhile, when the interval between the plunger and the shell exceeds the standard, a pair of the plunger and the shell exceeding the standard is placed on other positions for waiting for processing, so that the phenomenon that the plunger and the shell are qualified but are not qualified after being assembled is prevented.
A first station 1, a plunger outer diameter and air tightness detection station, wherein a plunger outer diameter and air tightness detection tool 100 is arranged at the station and comprises a first pneumatic measuring instrument 101, a plunger air tightness detection head 106 and a plunger outer diameter detection head 103, the plunger air tightness detection head 106 is communicated with the output end of a high-pressure air supply device through a first gas pipeline 108, the first gas pipeline 108 is preferably supported and fixed by a first support 109, a plunger air tightness detection gas flow sensor is arranged in the plunger air tightness detection head 106, the plunger outer diameter detection head 103 is positioned in front of the plunger air tightness detection head and the axial direction of the plunger air tightness detection head is consistent, the plunger outer diameter detection head 103 is supported and fixed by a second support 111, a plunger 104 is transversely arranged on the plunger outer diameter detection head 103 during detection, the height of the plunger outer diameter detection head is moderate, and when the detection is carried out, the height of a detection head hole of the plunger air tightness detection head 106 is equal to the height of an inner hole of the plunger 104, The plunger piston can be inserted into the detection head hole for sealing connection, the air tightness detection of the plunger piston is smoothly carried out, one end of a gas pipeline II 110 is connected with the gas inlet end of a plunger piston outer diameter detection head 103, the other end of the gas pipeline II is connected with the gas output end of a pneumatic measuring instrument I101, in order to ensure the accuracy of measurement and the convenience of operation during measurement, a transverse jacking cylinder 102 is arranged in front of the plunger piston outer diameter detection head, a vertical pressing cylinder 107 is arranged above the plunger piston outer diameter detection head, the height of a piston rod of the transverse jacking cylinder 102 is matched with that of the plunger piston, the plunger piston can be axially aligned and upwards jacked together with the plunger piston air tightness detection head 106 to seal the plunger piston in the detection head hole of the plunger piston tightness detection head, the vertical pressing cylinder 107 is positioned above the plunger piston outer diameter detection head, the piston rod of the vertical pressing cylinder is arranged downwards, and the plunger piston can be pressed.
In order to realize automatic control, a transverse jacking cylinder and a vertical pressing cylinder position sensor are arranged on the second support, a plunger air tightness detection electromagnetic directional valve is arranged on the first gas pipeline to control the on-off of high-pressure gas, a plunger air tightness detection gas flow sensor collects the gas flow passing through a plunger air tightness detection head 106, and the plunger air tightness detection electromagnetic directional valve can also be a stop valve. The first electromagnetic directional valve of the vertical pressing cylinder, the second electromagnetic directional valve of the transverse pressing cylinder 102 and the plunger air tightness flow detection electromagnetic valve are all in electric signal connection with a signal output end of the control device, the first plunger air tightness detection gas flow sensor and the first pneumatic measuring instrument are respectively in electric signal connection with a signal input end of the control device, and the position sensors of the transverse pressing cylinder and the vertical pressing cylinder are both in electric signal connection with a signal input end of the control device. The control device at least comprises a data analysis and comparison module and a data storage and calculation module. The plunger outer diameter detection and the plunger labyrinth air tightness detection are mainly completed at the station, and the plunger outer diameter, the pressure of the transverse jacking cylinder and the vertical pressing cylinder, and the gas flow and time of the plunger air tightness detection head are recorded. The recording can be done by a pneumatic measuring instrument, by a control device or both.
During detection, a sleeve of the plunger gas tightness detection head is manually taken down, a check valve 223 is arranged in the plunger gas tightness detection head, one end of the check valve is connected with a gas pipeline I, the other end of the check valve is connected with a detection head hole 124 of a plunger gas tightness detection head core 122, the sleeve 123 is sleeved on the sleeve to enable the sleeve to be hermetically connected with one end of the gas pipeline I through a sealing piece and to be hermetically connected with the plunger gas tightness detection head core 122, the plunger gas tightness detection head is hermetically connected with the gas pipeline I, a labyrinth 121 (not shown in figures 1-7) and a spring 105 are manually placed in the plunger hole, then the spring faces the detection head hole 124 of the plunger gas tightness detection head 106 to place the plunger on the plunger outer diameter detection head 103, a start button is pressed, the pneumatic measuring instrument electromagnetic stop valve starts to measure, the outer diameter measured value on the pneumatic instrument is collected after set time is reached, the pneumatic measuring instrument electromagnetic stop valve stops working after data is recorded, and (4) obtaining the outer diameter of the plunger after the ventilation measurement is finished, and uploading the recorded data to the control device by the pneumatic measuring instrument. The utility model discloses well preferred adoption electronic pneumatic instrument is for example ACE300 type. When the air tightness of the plunger is detected, a first electromagnetic directional valve of a vertical pressing cylinder 107 acts, a piston rod of the vertical pressing cylinder 107 is pressed down to vertically position the plunger, a second electromagnetic directional valve of a transverse pressing cylinder 102 acts after the piston rod of the vertical pressing cylinder 107 is in place, the piston rod of the transverse pressing cylinder 102 extends out to press and seal the plunger and a spring, the action of a stop valve for detecting the air tightness of the plunger after pressing starts to ventilate to detect the air tightness of a plunger labyrinth and a one-way valve 223, gas flow data is recorded after the detection reaches a set time, the ventilation and the detection are stopped after the data is recorded, the transverse pressing cylinder returns to the vertical pressing cylinder to return, one-time detection cycle is completed, and the one-way valve is taken out; the gas flow data detected by the plunger gas tightness detecting head 106 is fed back to the control device and recorded and stored by the control device.
And a second station 2, which is a shell inner diameter detection station, is provided with a shell inner diameter detection tool 200, mainly completes shell inner diameter detection, compresses the one-way valve, and presses the one-way valve into the shell 203. The pneumatic measuring instrument comprises a second pneumatic measuring instrument 201, a one-way valve pressing cylinder 204 and a shell inner diameter detecting head 202, wherein the shell inner diameter detecting head 202 is communicated with a third gas output pipeline 206 of the second pneumatic measuring instrument 201 through a third gas pipeline 206, the shell inner diameter detecting head 202 is fixedly arranged on a third support 205, the one-way valve pressing cylinder 204 is arranged above the shell inner diameter detecting head, and a piston rod of the one-way valve pressing cylinder is arranged downwards and coaxially with the shell inner diameter detecting head. In order to realize automatic detection, the second pneumatic measuring instrument 201 is electrically connected with the input end of the control device. During operation, the one-way valve is manually placed on the shell inner diameter detection head 202, then the shell 203 is sleeved, the starting button is pressed, the inner diameter measurement stop valve arranged on the gas pipeline 3 acts, inner diameter measurement ventilation is carried out, after the set time is reached, the measured shell inner diameter data is recorded by the pneumatic measuring instrument II, the data is uploaded to the control device, and the stop valve acts to stop ventilation measurement after the set time is finished; a reversing valve of a check valve pressing cylinder is opened, a piston rod of the check valve pressing cylinder is pressed downwards to press the check valve into the shell 203, and the check valve pressing cylinder 204 returns after the press mounting reaches the set time to complete one press mounting detection cycle; and comparing the detected data of the outer diameter of the plunger and the inner diameter of the shell by the control device to calculate the fit clearance between the inner diameter of the shell and the outer diameter of the plunger, judging whether the fit clearance is qualified or not, and giving out a prompt, such as a buzzing alarm, if the fit clearance is not qualified.
And a third station 3, which is a shell airtightness detection station, and is provided with a shell airtightness detection tool 300, which comprises a shell airtightness detection head 301 and a shell airtightness detection pressing cylinder 302, wherein the shell airtightness detection head 301 is arranged on a support seat IV 304, the shell airtightness detection head 301 is vertically arranged, the shell airtightness detection pressing cylinder 302 is positioned above the shell airtightness detection head 301, a piston rod of the shell airtightness detection pressing cylinder is coaxially arranged with the shell airtightness detection head 301, the shell airtightness detection head 301 is communicated with an output pipeline of a high-pressure gas supply device through a gas pipeline IV 303, and for realizing automatic control, a shell airtightness detection gas flow sensor of the shell airtightness detection head 301 is electrically connected with an input end of a control device. The reversing valve of the shell air-tightness detection pressing cylinder 302 and the shell air-tightness measurement stop valve are respectively electrically connected with the output end of the electric control device, when the shell air-tightness detection device is operated, a shell is manually sleeved on a shell air-tightness detection head, a start button is pressed, the shell air-tightness detection pressing cylinder 302 moves along with the reversing valve of the shell air-tightness detection pressing cylinder 302, the shell moves downwards when the shell air-tightness detection pressing cylinder 302 presses the shell, the shell air-tightness measurement stop valve moves to ventilate after the shell air-tightness detection pressing cylinder reaches a set time, flow data on a shell air-tightness detection gas flow sensor starts to be recorded after the ventilation reaches the set time, the shell air-tightness measurement stop valve moves to stop ventilation after the ventilation is completed, then the shell air-tightness detection pressing cylinder 302 moves back when the reversing valve of the shell air-tightness detection pressing cylinder 302, and a detection cycle is completed. And uploading the detected data to the control device. The shell airtightness detection head 301 is preferably configured such that the detection head is provided with a vent hole leading from one end of the shell airtightness detection head to the other end thereof, the outer circumferential surface of the detection head is stepped, the large-diameter end is a head seat 305 of the shell airtightness detection head, the small-diameter end is a detection head rod 306, the outer diameter of the detection head rod matches the inner diameter of the plunger hole of the shell, and a second sealing ring 307 is provided at the detection head rod. When the gas detection device is used, the shell is sleeved outside the detection rod and is in sealed connection with the shell plunger hole, and the head seat is in sealed connection with the gas pipeline III.
And the fourth step 4 is a tensioner detection and assembly station. The tensioner detection and assembly tool 400 is arranged and comprises a tensioner positioning tool 401, a tensioner air tightness measuring instrument 403 and a tensioner spring force detection device 407, wherein a tensioner air tightness detection head of the tensioner air tightness measuring instrument 403 is arranged on the tensioner positioning tool 401, the tensioner air tightness measuring instrument 403 is connected with the tensioner air tightness detection head through a gas pipeline five 409, gas is supplied to the tensioner air tightness detection head (not shown in the figure), the detected pressure and the gas flow in the tensioner are recorded, a servo electric cylinder 404 is arranged above the tensioner positioning tool, a pressure sensor 405 is arranged on a piston rod of the servo electric cylinder 404, the pressure sensor 405 is arranged between the piston rod of the servo electric cylinder and a tensioner pressing rod 406, and the tensioner pressing rod 406 is arranged opposite to the tensioner air tightness detection head. In order to realize automatic detection, the tensioner airtightness measuring instrument 403, the pressure sensor 405 and the servo electric cylinder are respectively electrically connected with the input end of the electric control device. During detection, a plunger assembly detected at a station I and a shell assembly detected at a station II and a station III are manually assembled to obtain a pre-assembled tensioner 402, then the pre-assembled tensioner is clamped on a tensioner positioning tool 401 at a station IV and positioned by the tensioner positioning tool 401, during installation, the pre-assembled tensioner is pressed by taking the fact that an air outlet cavity opening of the tensioner needs to be aligned with an installation positioning surface 410, 0.2MPa compressed gas is introduced, a tensioner airtightness measuring instrument 403 measures the airtightness of the tensioner and records gas flow data flowing out of a one-way valve, an electric signal output end of the airtightness measuring instrument is electrically connected with an electric signal input end of a control device, and the recorded data are uploaded to the control device; starting the servo electric cylinder 404, enabling a piston rod of the servo electric cylinder 404 to quickly descend, recording the initial position I or the stroke of the piston rod at the moment by the servo electric cylinder when the piston rod contacts the plunger 104 to generate pressure to judge whether the labyrinth is neglected to be installed or not, stopping detection and giving a prompt if the labyrinth is neglected to be installed, continuously pressing the servo electric cylinder to the fixed point position II to record a spring load pressure value if the labyrinth is not neglected to be installed, continuously pressing the servo electric cylinder to the fixed point position III to record a spring load pressure value, continuously pressing the servo electric cylinder to the fixed point position IV to record a spring load pressure value, then quickly returning the servo electric cylinder to the position I to record a pressure value, pressing the servo electric cylinder to the position IV to stay, connecting the servo electric cylinder and the electric control device through a data line, analyzing and judging whether the received data is not, sending an alarm sound if the data is unqualified and stopping work, sending an instruction and a signal if the data is qualified, returning the cylinder, manually inserting a bolt, after the bolt is inserted, the micro switch acts to servo the electric cylinder to return, the tensioner is manually dismounted, and one detection cycle is completed.
The utility model discloses in, for the online automated inspection and the data acquisition who realizes the high accuracy change, choose high-precision sensor and control valve for use to detect and control, realize the online high accuracy automated inspection to the gas tightness of the various sizes of tensioning ware, part, spring load power value. If the device adopts a high-precision pressure reducing valve with the precision of 0.01-0.4 MPa, a high-precision gas flow control valve with the precision of 0.5-25L/min, a high-precision electronic digital display pressure sensor with the precision of 0.01MPa, a high-precision pneumatic measuring instrument with the size detection precision of 0.001mm and a high-precision gas flow sensor with the precision of 0.01L/min, the assembly and detection precision can be ensured. The pressure sensor is preferably a weighing sensor, such as a model DYFL-102, and the measurement accuracy can reach 0.01 MPa. And introducing 0.1MPa compressed air when the airtightness of the plunger is detected, introducing 0.2MPa compressed air when the airtightness of the shell is detected, and introducing 0.2MPa compressed air into the plunger hole when the airtightness of the tensioner is detected.
The utility model discloses in, tensioning ware fixing device preferably adopts following structure, including five 411 of support, the upper surface of five of support is provided with installation locating surface 410, is provided with holding surface 412 with the locating surface is perpendicular, on the holding surface with tensioning ware on the corresponding department in locating hole position be provided with the connecting hole, tensioning ware passes locating hole and connecting hole fixed connection through the bolt, installation locating surface 410 is aimed at to the gas outlet of tensioning ware during fixed, is provided with the gas tightness inspection hole on the installation locating surface, tensioning ware gas tightness inspection head is located this gas tightness inspection hole. When the unqualified products need to be subjected to alarm prompt, an alarm module is arranged on the control device to perform alarm prompt.
Claims (10)
1. The utility model provides an automobile engine chain tensioning ware equipment, detects combination formula production line which characterized in that: the plunger air tightness detection tool comprises a first station provided with a plunger outer diameter and air tightness detection tool, a second station provided with a shell inner diameter detection tool, a third station provided with a shell air tightness detection tool and a fourth station provided with a tensioner detection and assembly tool, wherein the first station, the second station, the third station and the fourth station are located in the same operation space, the first station is an upstream station of the fourth station, the second station is an upstream station of the third station, and the third station is an upstream station of the fourth station.
2. The assembly and detection combined production line of the automobile engine chain tensioner as claimed in claim 1, wherein: the plunger outer diameter and air tightness detection tool comprises a plunger outer diameter detection device and a plunger air tightness detection device, the plunger outer diameter detection device comprises a first pneumatic measuring instrument and a plunger outer diameter detection head, a gas outlet of the first pneumatic measuring instrument is communicated with the plunger outer diameter detection head through a gas output pipeline, and the plunger outer diameter detection head is supported through a first support; the plunger air tightness detection device comprises a plunger air tightness detection head and a second support, the plunger air tightness detection head is supported and fixed by the second support, the plunger air tightness detection head is communicated with an air outlet of the high-pressure air supply device through a second gas pipeline, the plunger air tightness detection head is positioned on one side of the plunger outer diameter detection head, a transverse jacking cylinder is arranged on the other side of the plunger outer diameter detection head, when the plunger is positioned on the plunger outer diameter detection head, a piston rod of the plunger and the transverse jacking cylinder is coaxially arranged with the plunger air tightness detection head, a vertical pressing cylinder is arranged above the plunger outer diameter detection head, and a piston rod of the vertical pressing cylinder is arranged towards the plunger outer diameter detection head; and an air tightness flow detection electromagnetic valve and the plunger air tightness flow sensor are arranged on the gas pipeline II and/or the plunger air tightness detection head.
3. The assembly and detection combined production line of the automobile engine chain tensioner as claimed in claim 1, wherein: the shell inner diameter detection tool comprises a second pneumatic measuring instrument and a shell inner diameter detection head, the shell inner diameter detection head is supported and fixed by a third support, the shell inner diameter detection head is communicated with a gas outlet of the second pneumatic measuring instrument through a third gas pipeline, a check valve pressing cylinder is arranged above the shell inner diameter detection head, and a piston rod of the check valve pressing cylinder is arranged towards the shell inner diameter detection head.
4. The assembly and detection combined production line of the automobile engine chain tensioner as claimed in claim 1, wherein the casing tightness detection tool comprises a casing tightness detection head and a third support, the casing tightness detection head is supported and fixed by the third support, the casing tightness detection head is communicated with the high-pressure gas supply device through a gas pipeline four, a casing tightness detection pressing cylinder is arranged above the casing tightness detection head, and a piston rod of the casing tightness detection pressing cylinder faces the casing tightness detection head.
5. The assembly and detection combined production line of the automobile engine chain tensioner as claimed in claim 1, wherein: the tensioner detecting and assembling tool comprises a tensioner air tightness measuring instrument, a tensioner air tightness detecting head and a tensioner spring load pressure detecting instrument, the tensioner air tightness measuring instrument is connected with the tensioner air tightness detecting head through a gas pipeline, the tensioner spring load pressure detecting instrument comprises a tensioner positioning tool, a servo electric cylinder, a tensioner pressing rod and a pressure sensor, a piston rod of the servo electric cylinder is arranged downwards and is opposite to the tensioner positioning tool, the tensioner pressing rod is arranged on the piston rod of the servo electric cylinder, the pressure sensor is arranged between the tensioner pressing rod and the servo electric cylinder, and the tensioner air tightness detecting head is arranged on the tensioner positioning tool and is coaxial with the tensioner piston rod.
6. The automobile engine chain tensioner assembling and detecting combined production line as claimed in claim 5, wherein: tensioner location frock includes support five, and the upper surface of support five is provided with the locating surface, is provided with the holding surface with the locating surface is perpendicular, and the holding surface is last to be provided with the connecting hole with tensioner last locating hole position and size correspondence, and tensioner passes through bolt and holding surface fixed connection, is provided with the gas tightness inspection hole on the locating surface, and tensioner gas tightness detection head is located this gas tightness inspection hole, and the locating surface is located tensioner depression bar below.
7. An automobile engine chain tensioner assembling and testing combination production line as claimed in any one of claims 1-6, characterized in that: the control device is in electric signal connection with the plunger outer diameter and air tightness detection tool, the shell inner diameter detection tool, the shell air tightness detection tool and the tensioner detection and assembly tool, receives the plunger outer diameter size sent by the plunger outer diameter and air tightness detection tool and the shell inner diameter size sent by the shell inner diameter detection tool, and compares and judges whether the fit clearance between the plunger outer diameter and air tightness detection tool and the shell inner diameter size meets the requirement; and receiving and recording the gas flow which is sent by the plunger gas tightness flow sensor and flows through the inner hole of the plunger, the gas flow which is sent by the shell gas tightness flow sensor and flows through the plunger hole of the shell and the spring load pressure value detected by the tensioner spring pressure detector.
8. The assembly and inspection combined production line of the chain tensioner of the automobile engine as claimed in claim 7, wherein: the vertical compression cylinder, the transverse jacking cylinder and the air tightness flow detection solenoid valve are all in electric signal connection with the output end of the control device, and the plunger air tightness flow sensor and the pneumatic measuring instrument I are respectively in electric signal connection with the input end of the control device.
9. The assembly and inspection combined production line of the chain tensioner of the automobile engine as claimed in claim 7, wherein: an air tightness measuring electromagnetic valve is arranged on the gas pipeline IV, and the shell air tightness measuring electromagnetic valve and the shell air tightness detection pressing cylinder are respectively connected with the control device through electric signals; and the second pneumatic measuring instrument, the shell air tightness flow sensor, the tensioner air tightness measuring instrument and the tensioner spring load pressure detector are respectively and electrically connected with the input end of the control device.
10. The assembly and inspection combined production line of the chain tensioner of the automobile engine as claimed in claim 1, wherein: the same operation space be the operation platform frame, the operation platform frame includes operation platform, landing leg and platform frame, the platform frame includes preceding frame, left frame, right frame and top, the left side, front side and the right side setting that the platform frame encircles operation platform and connect preceding frame, left frame, right frame by the top, operation platform is fixed to be set up on the landing leg.
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| CN202120394979.0U CN214621055U (en) | 2021-02-23 | 2021-02-23 | Assembling and detecting combined production line for automobile engine chain tensioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902801A (en) * | 2021-02-23 | 2021-06-04 | 杭州东华链条集团有限公司 | Assembling and detecting production line and assembling and detecting method for automobile engine chain tensioner |
| CN114838678A (en) * | 2022-07-04 | 2022-08-02 | 河北亿泰克轴承有限公司 | Pneumatic measuring device for outer diameter of thin-wall bearing ring |
-
2021
- 2021-02-23 CN CN202120394979.0U patent/CN214621055U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902801A (en) * | 2021-02-23 | 2021-06-04 | 杭州东华链条集团有限公司 | Assembling and detecting production line and assembling and detecting method for automobile engine chain tensioner |
| CN112902801B (en) * | 2021-02-23 | 2022-09-20 | 杭州东华链条集团有限公司 | Assembling and detecting production line and assembling and detecting method for automobile engine chain tensioner |
| CN114838678A (en) * | 2022-07-04 | 2022-08-02 | 河北亿泰克轴承有限公司 | Pneumatic measuring device for outer diameter of thin-wall bearing ring |
| CN114838678B (en) * | 2022-07-04 | 2022-09-02 | 河北亿泰克轴承有限公司 | Pneumatic measuring device for outer diameter of thin-wall bearing ring |
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