CN209754448U - automatic matching device for main shaft bush, connecting rod bush and cylinder head gasket - Google Patents
automatic matching device for main shaft bush, connecting rod bush and cylinder head gasket Download PDFInfo
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- CN209754448U CN209754448U CN201920240439.XU CN201920240439U CN209754448U CN 209754448 U CN209754448 U CN 209754448U CN 201920240439 U CN201920240439 U CN 201920240439U CN 209754448 U CN209754448 U CN 209754448U
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- head gasket
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Abstract
the utility model discloses a spindle bush, the automatic apolegamy device of connecting rod tile and cylinder head pad, it includes the apolegamy controller, main bearing hole caliber and piston protrusion measurement appearance, still including set gradually and respectively with the main shaft bush output device that the apolegamy controller electricity is connected, connecting rod tile output device and cylinder head pad output device, be equipped with the bar code scanner on main shaft bush output device and the connecting rod bush output device respectively, the bar code scanner is connected with the apolegamy controller electricity, main shaft bush output device has a plurality of spindle bush and sends out the case, connecting rod bush output device has a plurality of connecting rod bush and sends out the case, cylinder head pad output device includes a plurality of cylinder head pads and sends out the case, piston protrusion measurement appearance is connected with cylinder head pad output device and the apolegamy controller electricity. The utility model discloses shorten the assemble duration greatly and reduced the assembly error rate, improved the assembly quality of diesel engine and the batch uniformity and the reliability of product.
Description
Technical Field
The utility model relates to an automatic matching device of spindle bush, connecting rod tile and cylinder head pad.
Background
In the assembling process of the diesel engine, proper main bearing bushes are selected to be installed on the engine body and the main bearing cover according to the size of the main bearing hole, and the main bearing and the lubricating tiles are used for bearing and lubricating. According to the sizes of a main journal of the crankshaft, a big end of a connecting rod and a crank pin, a proper connecting rod tile is selected to be arranged on the connecting rod, and the tile plays roles in bearing and lubrication. When the engine piston moves, the protrusion amount of the engine piston relative to the top plane of the cylinder body is called as the piston protrusion amount, and according to the piston protrusion amount, a cylinder head gasket with a proper size is selected to be arranged between the cylinder body and the cylinder head so as to prevent high-pressure gas, lubricating oil and cooling water from jumping out of the space between the cylinder body and the cylinder head. In the existing diesel engine assembly work, an operator needs to select and match according to the size of a main bearing hole and the size of a crankshaft main journal when assembling a main bearing bush, an operator needs to select and match according to the size of a connecting rod big end hole and the size of a crank pin when assembling an engine connecting rod bush, and an operator needs to select and match according to the measurement value of the protruding amount of an engine piston when assembling an engine cylinder cover gasket. The manual operation is completely relied on, the operator can identify the wrong matching mark, the matching error can be caused, and the assembled engine is unqualified; the error content of the matching file is compared, so that the batch engine is unqualified in production; the manual measurement of the piston protrusion amount has large error, which can cause the cylinder head gasket to be selected and assembled wrongly, and the assembled engine is unqualified.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an automatic apolegamy device of main shaft tile, connecting rod tile and cylinder head pad, adopt above-mentioned device, can online automatic apolegamy suitable size main shaft tile, connecting rod tile and cylinder head pad, replace traditional manual operation with information-based, automatic means, greatly reduced error rate and apolegamy time have also improved the quality of product.
in order to solve the technical problem, the utility model provides an automatic matching device of a main shaft bush, a connecting rod bush and a cylinder cover gasket, the main bearing hole measurer can generate a main bearing hole bar code attached to a cylinder body, the main bearing hole measurer and the connecting rod tile output device are respectively provided with a bar code scanner, the bar code scanner is electrically connected with the selective matching controller, the main bearing hole measurer is provided with a plurality of main bearing hole delivery boxes, the connecting rod tile output device is provided with a plurality of connecting rod tile delivery boxes, the cylinder cover pad output device comprises a plurality of cylinder cover pad delivery boxes, and the piston protrusion measurer is electrically connected with the cylinder cover pad output device and the selective matching controller.
The piston protrusion measuring instrument comprises a protrusion detecting rack, a detecting frame which is driven by a transverse power mechanism to move transversely is arranged on the protrusion detecting rack, a vertical detecting rod which is driven by a vertical power mechanism to slide vertically is arranged on the detecting frame, a plurality of detecting heads are arranged at the bottom of the vertical detecting rod, a proximity switch is further arranged on the vertical detecting rod, and a distance detector which can detect the sliding distance of the vertical detecting rod is arranged on the detecting frame.
the same main shaft tile delivery box is internally provided with main shaft tiles with the same size, the main shaft tile output device comprises a main shaft tile storage rack, the main shaft tile delivery box is connected to the main shaft tile storage rack in a sliding mode, and a delivery power mechanism for pushing the main shaft tile delivery box to slide is arranged on the main shaft tile storage rack.
The same cylinder head gasket delivery box is internally provided with cylinder head gaskets with the same size, the cylinder head gasket output device comprises a cylinder head gasket storage rack, the cylinder head gasket delivery box is connected to the cylinder head gasket storage rack in a sliding mode, and a delivery power mechanism for pushing the cylinder head gasket delivery box to slide is arranged on the cylinder head gasket storage rack.
The same connecting rod tile delivery box is internally provided with connecting rod tiles with the same size, the connecting rod tile output device comprises a connecting rod tile storage rack, the connecting rod tile delivery box is connected to the connecting rod tile storage rack in a sliding mode, and a delivery power mechanism for pushing the connecting rod tile delivery box to slide is arranged on the connecting rod tile storage rack.
The matching controller is internally provided with a storage unit, a reading unit, a comparison unit and an execution unit, wherein the storage unit stores an assembly formula of the size of the main bearing bush and the aperture of the main bearing, an assembly formula of the size of the connecting rod bush and the large end of the connecting rod, the main journal of the crankshaft, the crank pin and an assembly formula of the size of the cylinder head gasket and the protrusion of the piston, the reading unit obtains the aperture of the main bearing, the large end of the connecting rod, the main journal of the crankshaft, the crank pin and the protrusion of the piston from a main bearing hole bar code and a bar code scanner, the comparison unit compares the obtained sizes with the assembly formula in the storage unit and sends an execution signal to the execution unit, and the main bearing bush output device, the connecting rod bush output device and the cylinder head gasket output device are all controlled.
After the device is adopted, the size of the corresponding accessory is obtained in a bar code reading mode, the accessory with the corresponding size is automatically selected and matched through the selection and matching controller and pushed out, assembling is carried out, manual measurement and related information checking are not needed, the problem of assembly errors caused by mistaken taking of the accessory is avoided, the assembling efficiency is improved, meanwhile, the error rate and the selection and matching time are greatly reduced, and the assembling quality of the diesel engine is also improved.
To sum up, the utility model discloses can automatic acquisition and match the information of relevant accessory and can the suitable size of automatic output corresponding accessory, shorten the assemble duration greatly and reduced the assembly error rate, improve the assembly quality of diesel engine and the batch uniformity and the reliability of product.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the piston protrusion measuring instrument in the embodiment of FIG. 1;
FIG. 3 is a schematic structural view of the spindle head output assembly of the embodiment of FIG. 1;
FIG. 4 is a schematic diagram of an optional controller in the embodiment of FIG. 1.
Detailed Description
referring to fig. 1 to 4, the present invention discloses an automatic matching device for a main shaft bushing, a connecting rod bushing and a cylinder head gasket, wherein fig. 1 simply shows an assembly line 10 of a diesel engine, the main shaft bushing, the connecting rod bushing and the cylinder head gasket can be called as accessories of the diesel engine, the automatic matching device comprises a matching controller 1, a main bearing hole measuring instrument 2 and a piston protrusion measuring instrument 3, and further comprises a main shaft bushing output device 4, a connecting rod bushing output device 5 and a cylinder head gasket output device 6 which are sequentially arranged and respectively electrically connected with the matching controller 1, the piston protrusion measuring instrument 3 is positioned in front of the cylinder head gasket output device (the assembly line conveys backwards), the main bearing hole measuring instrument 2 can generate a main bearing hole barcode attached to a cylinder body, the specific structure of the main bearing hole measuring instrument 2 is the prior art, and is not described in detail herein, the main bearing hole barcode is automatically printed by a printer after the size of the main bearing hole is detected, the cylinder body is automatically attached to the cylinder body through the code attaching machine, the bar code scanner 7 is arranged on the spindle bush output device 4 and the connecting rod bush output device 5 respectively, the bar code scanner 7 is electrically connected with the matching controller 1, the spindle bush output device 4 is provided with a plurality of spindle bush sending boxes, the connecting rod bush output device 5 is provided with a plurality of connecting rod bush sending boxes, the cylinder cover pad output device 6 comprises a plurality of cylinder cover pad sending boxes, and the piston protrusion measuring instrument 3 is electrically connected with the cylinder cover pad output device 6 and the matching controller 1.
Referring to fig. 2, the piston protrusion measuring apparatus 3 includes a protrusion detecting frame 31, a detecting frame 32 driven by a transverse power mechanism to move transversely is mounted on the protrusion detecting frame, the transverse power mechanism may be a ball screw structure driven by a motor, a vertical detecting rod 33 driven by a vertical power mechanism to slide vertically is mounted on the detecting frame 32, the vertical power mechanism may be an air cylinder or an oil cylinder, the vertical detecting rod can slide up and down by the power drive of the air cylinder or the oil cylinder, a plurality of detecting heads 34 are mounted at the bottom of the vertical detecting rod, a proximity switch 35 is further mounted on the vertical detecting rod 33, when the proximity switch is close to the piston by a certain distance, the vertical detecting rod stops sliding, a distance detecting instrument 36 capable of detecting the sliding distance of the vertical detecting rod is mounted on the detecting frame, the distance detecting instrument can detect the extension amount of the piston rod of the air, thereby the vertical displacement distance of vertical measuring rod is monitored, according to the original height of vertical measuring rod (the height apart from the workstation), can calculate piston protrusion volume, and piston protrusion volume measuring apparatu conveys this piston protrusion volume to apolegamy controller 1.
Referring to fig. 3, which illustrates a specific structure of the main bearing shell output device 4, the structure of the head gasket output device and the structure of the connecting rod shell output device are the same as those of the main bearing shell output device, but are different in shape and size, in the spindle-shoe output device 4 illustrated in fig. 3, the same spindle-shoe delivery box 41 houses the same size of spindle shoes therein, the spindle-shoe output device includes a link-shoe shelf 40, the main shaft tile delivery box 41 is connected on the main shaft tile shelf 40 in a sliding way, a delivery power mechanism 42 which pushes the main shaft tile delivery box to slide is arranged on the main shaft tile shelf 40, the sending power mechanism can be an oil cylinder or an air cylinder, and after receiving an execution signal of the matching controller, one of the spindle bush delivery boxes 41 of an appropriate size is pushed by an oil cylinder or an air cylinder to extend out, and the spindle bush of an appropriate size is delivered out, so that the assembly is performed. Similarly, the structure of the cylinder head gasket output device and the structure of the connecting rod tile output device are that the same cylinder head gasket sending-out box is internally provided with the cylinder head gasket with the same size, the cylinder head gasket output device comprises a cylinder head gasket storage rack, the cylinder head gasket sending-out box is connected to the cylinder head gasket storage rack in a sliding mode, and a sending-out power mechanism for pushing the cylinder head gasket sending-out box to slide is arranged on the cylinder head gasket storage rack. The same connecting rod tile delivery box is internally provided with connecting rod tiles with the same size, the connecting rod tile output device comprises a connecting rod tile storage rack, the connecting rod tile delivery box is connected to the connecting rod tile storage rack in a sliding mode, and a delivery power mechanism for pushing the connecting rod tile delivery box to slide is arranged on the connecting rod tile storage rack.
Referring to fig. 4, a storage unit 11, a reading unit 12, a comparison unit 13, and an execution unit 14 are disposed in the matching controller 1, the storage unit 11 stores an assembly formula of the size of the main bearing shell and the main bearing aperture, an assembly formula of the size of the connecting rod shell and the connecting rod big end, the crankshaft main journal and the crank pin, and an assembly formula of the size of the cylinder head gasket and the piston protrusion, the assembly formulas are stored in advance, the reading unit 12 obtains the main bearing aperture, the connecting rod big end, the crankshaft main journal, the crank pin and the piston protrusion from the main bearing aperture barcode and the barcode scanner, the comparison unit 13 compares the obtained sizes with the assembly formulas in the storage unit, and sends an execution signal to the execution unit 14, and the main bearing shell output device, the connecting rod shell output device, and the cylinder head gasket output device are all controlled by the execution unit 14.
The reason for the above-mentioned assembly formula is that, for example, the size of the main bearing hole has a tolerance band (tolerance range a-D), specifically subdivided into A, B, C, D main bearing holes with four tolerance range sizes, and the size of the produced main bearing shell also has a certain tolerance band (tolerance range X-Z), specifically subdivided into X, Y, Z main bearing shells with three tolerance range sizes, when the size of the main bearing hole on the cylinder body is within the above-mentioned a tolerance range, the main bearing shell with the Z tolerance band should be selected to enable the main bearing shell to perform the optimum lubrication, so that the optimum assembly can be realized by the above-mentioned device. The above dimensions and the arrangement of the tolerance bands are for illustration only and are not intended to limit the specific structure of the present invention.
by means of the device, the applicant also discloses an automatic matching method of the spindle bush, the connecting rod bush and the cylinder head gasket of the diesel engine, and the automatic matching device using the spindle bush, the connecting rod bush and the cylinder head gasket comprises the following steps:
1) Inputting an assembly formula of the size of a main shaft bush and the aperture of a main bearing, an assembly formula of the size of a connecting rod bush and a connecting rod big end, a crankshaft main journal and a crank pin, and an assembly formula of the size of a cylinder cover gasket and the protrusion of a piston into a selective matching controller;
2) A main bearing hole bar code generated by a main bearing hole measurer is printed on a cylinder body, the sizes of a main journal and a crank pin of a crankshaft are printed on the crankshaft bar code by a crankshaft manufacturer, and the size of a large end of a connecting rod is printed on the connecting rod bar code by a connecting rod manufacturer;
3) Inputting the model of the diesel engine to be produced into the matching controller, and selecting a proper assembly formula by the matching controller;
4) The method comprises the steps that a bar code scanner scans a bar code of a main bearing hole on a cylinder body to obtain the size of the main bearing hole, the bar code scanner conveys the size to a matching controller, the matching controller performs comparison and matching, and the matching controller drives one main bearing bush of a main bearing bush output device to be sent out of a box to convey the main bearing bush with a proper size to be assembled;
5) scanning a crankshaft bar code and a connecting rod bar code through a bar code scanner to obtain the sizes of a large end of a connecting rod, a main journal of the crankshaft and a crank pin, conveying the sizes to a matching controller through the bar code scanner, comparing and matching through the matching controller, and driving one connecting rod tile of a connecting rod tile output device to be sent out of a box by the matching controller to convey the connecting rod tile with a proper size to be assembled;
6) The piston protrusion measuring instrument detects the piston protrusion, transmits the piston protrusion to the matching controller, the matching controller compares and matches the piston protrusion, and the matching controller drives one of the cylinder head gasket output devices to be sent out of the box and transmitted out of the cylinder head gasket with a proper size to be assembled.
And 4), in the steps 4), 5) and 6), if the connecting rod bush output device, the main shaft bush output device and the cylinder head gasket output device output the accessories with wrong sizes and have no output accessories, an audible and visual alarm is carried out on the selected controller, so that the assembly error is further avoided.
The utility model discloses an above do the concrete structural style, the utility model discloses do not receive the restriction of above-mentioned embodiment, in this technical field personnel, based on the utility model discloses go up the equivalent change and the part replacement of concrete structure and all be in the utility model discloses a within range.
Claims (6)
1. The automatic matching device is characterized by comprising a matching controller, a main bearing hole measurer and a piston protrusion measuring instrument, and further comprising a main bearing hole output device, a connecting rod bush output device and a cylinder cover pad output device which are sequentially arranged and respectively electrically connected with the matching controller, wherein the main bearing hole measurer can generate a main bearing hole bar code attached to a cylinder body, bar code scanners are respectively arranged on the main bearing hole output device and the connecting rod bush output device, the bar code scanners are electrically connected with the matching controller, the main bearing hole output device is provided with a plurality of main bearing bush sending boxes, the connecting rod bush output device is provided with a plurality of connecting rod bush sending boxes, the cylinder cover pad output device comprises a plurality of cylinder cover pad sending boxes, and the piston protrusion measuring instrument is electrically connected with the cylinder cover pad output device and the matching controller.
2. The automatic assembly device for a spindle head, a connecting rod shoe and a head gasket of claim 1, wherein: the piston protrusion measuring instrument comprises a protrusion detecting rack, a detecting frame which is driven by a transverse power mechanism to move transversely is arranged on the protrusion detecting rack, a vertical detecting rod which is driven by a vertical power mechanism to slide vertically is arranged on the detecting frame, a plurality of detecting heads are arranged at the bottom of the vertical detecting rod, a proximity switch is further arranged on the vertical detecting rod, and a distance detector which can detect the sliding distance of the vertical detecting rod is arranged on the detecting frame.
3. The automatic assembly device for a spindle head, a connecting rod shoe and a head gasket of claim 1, wherein: the same main shaft tile delivery box is internally provided with main shaft tiles with the same size, the main shaft tile output device comprises a main shaft tile storage rack, the main shaft tile delivery box is connected to the main shaft tile storage rack in a sliding mode, and a delivery power mechanism for pushing the main shaft tile delivery box to slide is arranged on the main shaft tile storage rack.
4. The automatic assembly device for a spindle head, a connecting rod shoe and a head gasket of claim 1, wherein: the same cylinder head gasket delivery box is internally provided with cylinder head gaskets with the same size, the cylinder head gasket output device comprises a cylinder head gasket storage rack, the cylinder head gasket delivery box is connected to the cylinder head gasket storage rack in a sliding mode, and a delivery power mechanism for pushing the cylinder head gasket delivery box to slide is arranged on the cylinder head gasket storage rack.
5. The automatic assembly device for a spindle head, a connecting rod shoe and a head gasket of claim 1, wherein: the same connecting rod tile delivery box is internally provided with connecting rod tiles with the same size, the connecting rod tile output device comprises a connecting rod tile storage rack, the connecting rod tile delivery box is connected to the connecting rod tile storage rack in a sliding mode, and a delivery power mechanism for pushing the connecting rod tile delivery box to slide is arranged on the connecting rod tile storage rack.
6. The automated spindle head, connecting rod shoe and head gasket assembly of any one of claims 1-5, wherein: the matching controller is internally provided with a storage unit, a reading unit, a comparison unit and an execution unit, wherein the storage unit stores an assembly formula of the size of the main bearing bush and the aperture of the main bearing, an assembly formula of the size of the connecting rod bush and the large end of the connecting rod, the main journal of the crankshaft, the crank pin and an assembly formula of the size of the cylinder head gasket and the protrusion of the piston, the reading unit obtains the aperture of the main bearing, the large end of the connecting rod, the main journal of the crankshaft, the crank pin and the protrusion of the piston from a main bearing hole bar code and a bar code scanner, the comparison unit compares the obtained sizes with the assembly formula in the storage unit and sends an execution signal to the execution unit, and the main bearing bush output device, the connecting rod bush output device and the cylinder head gasket output device are all controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240439.XU CN209754448U (en) | 2019-02-26 | 2019-02-26 | automatic matching device for main shaft bush, connecting rod bush and cylinder head gasket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920240439.XU CN209754448U (en) | 2019-02-26 | 2019-02-26 | automatic matching device for main shaft bush, connecting rod bush and cylinder head gasket |
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| CN209754448U true CN209754448U (en) | 2019-12-10 |
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| CN201920240439.XU Active CN209754448U (en) | 2019-02-26 | 2019-02-26 | automatic matching device for main shaft bush, connecting rod bush and cylinder head gasket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702448A (en) * | 2019-02-26 | 2019-05-03 | 潍柴动力扬州柴油机有限责任公司 | The matching control and matching method of a kind of main bearing shell, connecting rod bearing shell and cylinder cover cushion |
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2019
- 2019-02-26 CN CN201920240439.XU patent/CN209754448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702448A (en) * | 2019-02-26 | 2019-05-03 | 潍柴动力扬州柴油机有限责任公司 | The matching control and matching method of a kind of main bearing shell, connecting rod bearing shell and cylinder cover cushion |
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