An electromagnet chip suction device and a connecting rod fracture chip suction method

Abstract

The application discloses a kind of electromagnet scrap suction devices and connecting rod broken scrap suction methods for connecting rod broken, it includes base, cylinder, first electromagnet and second electromagnet, recess is provided on base, which can be placed with connecting rod end, first electromagnet is equipped with two and symmetrically fixed in the top of recess two sides, cylinder is equipped with two and symmetrically installed in the two sides of base, the end of the push rod of two cylinders is respectively connected with second electromagnet and can reciprocatingly move second electromagnet between first station and second station, when cylinder pushes second electromagnet and moves to second station, second electromagnet is located above first electromagnet and is enclosed with first electromagnet to form suction cavity matched with the outside profile of connecting rod end to be broken surface position.Using the application, manual operation is not needed, and the scrap suction effect is not affected by manual operation skill, the scrap suction efficiency is high, and the cleanliness of production site and engine is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automobile connecting rod processing technology, and particularly relates to an electromagnet scrap suction device for connecting rod expansion and a connecting rod expansion scrap suction method. BACKGROUND

[0002] Connecting rod expansion is a process of processing a connecting rod body and a connecting rod cover, and is mostly used on an engine. Before the connecting rod is processed, it is a whole, then a gap is cut by laser, and before the connecting rod is assembled to the engine, a strong expansion force is applied to the end of the connecting rod by a mechanical device from inside to outside, at this time, the connecting rod cover will be broken from the position etched in advance.

[0003] The contact surface of the expanded connecting rod cover and the connecting rod body is very rough, which is a natural fracture surface formed during expansion. The shape of the fracture surface is unique, and different connecting rod covers cannot be used interchangeably. However, the fracture surface also produces a lot of debris, which causes trouble to the cleanliness of the engine during assembly and the production site.

[0004] There are three existing technical solutions for cleaning the debris of the connecting rod expansion:

[0005] The first solution is to clean the debris manually by an operator. However, this solution is time-consuming and the cleaning degree is affected by the operator's operation skill;

[0006] The second solution is to blow away the debris by an operator using an air gun. However, this solution affects the cleanliness of the production site and the cleaning degree is affected by the operator's operation skill;

[0007] The third solution is to use an air extractor to suck the debris from the bottom of the device in contact with the connecting rod. However, this solution is effective for the debris falling under gravity and the debris close to the bottom, but the debris far from the suction port is not completely sucked.

[0008] Therefore, the above three solutions have the problems of time-consuming, affecting the cleanliness of the production site, and incomplete suction effect, and the cleaning effect of the debris after the connecting rod expansion is not ideal. The debris is left on the connecting rod or the production site, which has the risk of entering the engine during assembly, thereby causing a series of major quality problems such as cylinder hole cylinder pulling and piston connecting rod wear. SUMMARY

[0009] The present application aims to provide an electromagnet scrap suction device for connecting rod expansion, which does not require manual operation, is simple and convenient to use, and is not affected by the operation skill of the operator. The debris suction efficiency is high, which effectively ensures the cleanliness of the production site and the engine. The present application also provides a connecting rod expansion scrap suction method using the electromagnet scrap suction device.

[0010] In order to achieve the above-mentioned purpose, the technical solution adopted by the present application is:

[0011] An electromagnet chip-collecting device for connecting rod fracture includes a base, cylinders, a first electromagnet, and a second electromagnet. The base has a groove for placing the end of the connecting rod. Two first electromagnets are symmetrically fixed to the top two sides of the groove. Two cylinders are symmetrically installed on both sides of the base. The push rods of the two cylinders are respectively connected to the second electromagnets and can drive the second electromagnets to reciprocate between a first position and a second position. When the cylinder pushes the second electromagnet to the second position, the second electromagnet is located above the first electromagnet and together with the first electromagnet, forms an adsorption cavity that matches the outer contour of the fracture surface to be fractured at the end of the connecting rod. The base has a first chip discharge port and a second chip discharge port. The first chip discharge port communicates with the bottom of the adsorption cavity, and the second chip discharge port is located below the first position.

[0012] The electromagnet chip-collecting device for connecting rod breakage provided by this invention has the following advantages compared with the prior art:

[0013] During operation, the cylinder drives the second electromagnet to reciprocate between the first and second positions, closing as the connecting rod is placed and opening as debris is attracted. When the cylinder pushes the second electromagnet to the second position, it is positioned above the first electromagnet and together they form an attraction cavity matching the outer contour of the section to be expanded at the end of the connecting rod. Simultaneously, energizing both the first and second electromagnets generates magnetic attraction, which attracts debris generated during the expansion process of the connecting rod end. After debris attraction is complete, the cylinder drives the second electromagnet back to the first position, then disconnects the first electromagnet and... The second electromagnet powers the automatic removal of debris adsorbed on the first and second electromagnets. The debris then passes through the first chip discharge port connected to the adsorption chamber and the second chip discharge port located below the first workstation to the chip collection device. The entire process requires no manual operation, making it simple and convenient to use. The chip removal effect is not affected by the operator's skill. Furthermore, the first and second electromagnets cover the entire upper and lower parts of the section to be expanded, achieving a chip removal efficiency of up to 99%. In addition, debris that cannot be removed by the magnetic attraction of the electromagnets will not fall into the production area or engine. Instead, it will be re-fixed in its original position on the expanded section as the connecting rod bolts are tightened, effectively ensuring the cleanliness of the production area and the engine.

[0014] As a preferred embodiment of the present invention, the electromagnet chip-collecting device for connecting rod fracture further includes two third electromagnets, which are symmetrically arranged inside the connecting rod end and opposite to the fracture surface to be fractured at the connecting rod end.

[0015] As a preferred scheme of the present application, the end face of the third electromagnet opposite to the position of the section to be broken of the connecting rod end head is above the first chip removal opening.

[0016] As a preferred scheme of the present application, the two third electromagnets are symmetrically fixed on both sides of the outer periphery of the breaking mechanism.

[0017] As a preferred scheme of the present application, the gap between the first electromagnet and the position of the section to be broken of the connecting rod end head is 0-0.5mm.

[0018] As a preferred scheme of the present application, the gap between the second electromagnet and the position of the section to be broken of the connecting rod end head is 0-0.5mm.

[0019] As a preferred scheme of the present application, the gap between the third electromagnet and the position of the section to be broken of the connecting rod end head is 0-0.5mm.

[0020] As a preferred scheme of the present application, the electromagnet chip suction device for connecting rod breaking further comprises a position sensor for detecting the position of the connecting rod end head, which is installed on the base. The second electromagnet is closed with the connecting rod being placed,

[0021] As a preferred scheme of the present application, the electromagnet chip suction device for connecting rod breaking further comprises a controller electrically connected with the first electromagnet, the second electromagnet, the third electromagnet and the position sensor respectively, for controlling the power supply of the first electromagnet, the second electromagnet and the third electromagnet.

[0022] In addition, the present application further provides a method for connecting rod breaking and chip suction, which uses the electromagnet chip suction device for connecting rod breaking as described above, and comprises the following steps:

[0023] Step one, the end head of the connecting rod assembly is sleeved on the outer ring of the breaking mechanism, and the connecting rod end head is placed on the groove, at this time the side end face of the connecting rod end head is attached to the bottom face of the groove;

[0024] Step two, after the position sensor detects that the connecting rod end head is in place, the power supply is controlled to supply power to each electromagnet;

[0025] Step three, the push rod of the air cylinder is controlled to extend and push the second electromagnet to move from the first station to the second station, at this time the second electromagnet is above the first electromagnet and encloses the first electromagnet to form a suction cavity matching the outer profile of the section to be broken of the connecting rod end head;

[0026] Step four, the bolts on both sides of the connecting rod end head are loosened, and the loosening distance of the bolts is used to limit the opening distance of the section to be broken of the connecting rod end head;

[0027] Step five, start the expansion mechanism, and expand the connecting rod end from the middle, at this time the debris on the expansion surface is adsorbed by each electromagnet;

[0028] Step six, control the push rod of the cylinder to retreat, drive the second electromagnet to move from the second station to the first station, at this time the second electromagnet leaves the space above the first electromagnet;

[0029] Step seven, take away the connecting rod assembly, after the position sensor detects that the connecting rod end is away, turn off the power supply of each electromagnet; the debris adsorbed on each electromagnet automatically falls and reaches the debris collection device through the first chip removal port communicated with the adsorption cavity and the second chip removal port located below the first station, and the connecting rod expansion process ends.

[0030] Since the electromagnet debris adsorption device for connecting rod expansion is used, the connecting rod expansion debris adsorption method provided by the embodiment has all the beneficial effects of the electromagnet debris adsorption device for connecting rod expansion, which will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0032] Figure 1 is an isometric view of an electromagnet debris adsorption device for connecting rod expansion provided by the embodiment of the present application;

[0033] Figure 2 is a front view of an electromagnet debris adsorption device for connecting rod expansion provided by the embodiment of the present application;

[0034] Figure 3 is a sectional view in the direction of A-A of the structure shown in Figure 2

[0035] Figure 4 is a sectional view of the electromagnet debris adsorption device for connecting rod expansion provided by the embodiment of the present application, in which the second electromagnet is in the first station after the connecting rod and the expansion mechanism are removed.

[0036] Markings in the figure:

[0037] Base 1; cylinder 2; first electromagnet 3; second electromagnet 4; connecting rod end 5; groove 6; adsorption cavity 7; first chip removal port 8; second chip removal port 9; third electromagnet 10; expansion mechanism 11; position sensor 12; bolt 13; first station A; second station B. DETAILED DESCRIPTION

[0038] ​The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0039] In the description of the present application, it needs to be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. It should be understood that the terms "first", "second" and the like are used to describe various information in the present application, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information without departing from the scope of the present application.

[0040] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] As shown in Figures 1 to 4 The preferred embodiment of the present application provides an electromagnet scrap absorbing device for connecting rod breaking, which comprises a base 1, a cylinder 2, a first electromagnet 3 and a second electromagnet 4; the base 1 is provided with a groove 6 for placing a connecting rod end 5, the first electromagnet 3 is provided with two and symmetrically fixed on the top of both sides of the groove 6; the cylinder 2 is provided with two and symmetrically mounted on both sides of the base 1, the push rod ends of the two cylinders 2 are respectively connected with the second electromagnet 4 and can drive the second electromagnet 4 to reciprocate between a first station A and a second station B; when the cylinder 2 pushes the second electromagnet 4 to move to the second station B, the second electromagnet 4 is located above the first electromagnet 3 and forms an adsorption cavity 7 with the first electromagnet 3, which matches the outer contour of the position of the connecting rod end 5 to be broken; a first chip removal opening 8 and a second chip removal opening 9 are formed on the base 1, the first chip removal opening 8 is in communication with the bottom of the adsorption cavity 7, and the second chip removal opening 9 is located below the first station A.

[0042] Thus, according to the embodiment of the present application, the electromagnet chip suction device for connecting rod breaking provides that, during operation, the cylinder 2 can drive the second electromagnet 4 to reciprocate between the first station A and the second station B, so that the second electromagnet 4 is closed when the connecting rod is placed and is opened when the chip suction is completed; when the cylinder 2 pushes the second electromagnet 4 to move to the second station B, the second electromagnet 4 is located above the first electromagnet 3 and forms a suction cavity 7 with the first electromagnet 3, which matches the outer profile of the position of the breaking surface of the connecting rod end 5, and at the same time, the first electromagnet 3 and the second electromagnet 4 are powered to generate a magnetic attraction force, which can suck the chips generated in the process of breaking the breaking surface of the connecting rod end 5 by the breaking mechanism 11; after the chip suction is completed, the cylinder 2 drives the second electromagnet 4 to retreat to the first station A, and then the power supply of the first electromagnet 3 and the second electromagnet 4 is disconnected, the chips sucked by the first electromagnet 3 and the second electromagnet 4 automatically fall off, and are collected by the first chip discharge port 8 and the second chip discharge port 9 located below the first station A and communicated with the suction cavity 7; the whole process does not need manual operation, is simple and convenient to use, and the chip suction effect is not affected by the manual operation skill; and, the first electromagnet 3 and the second electromagnet 4 cover the upper and lower parts of the whole breaking surface, and the chip suction efficiency is as high as 99%; in addition, the chips that are not sucked away under the magnetic attraction of the electromagnet will not fall into the production site or the engine, but will be fixed again at the original position of the breaking surface when the connecting rod bolt is tightened, so that the cleanliness of the production site and the engine is effectively ensured.

[0043] For example, the electromagnet chip suction device for connecting rod breaking further comprises two third electromagnets 10, which are symmetrically arranged on the inner side of the connecting rod end 5 and opposite to the position of the breaking surface of the connecting rod end 5. In this embodiment, the two third electromagnets 10 are symmetrically fixed on the two sides of the outer periphery of the breaking mechanism 11. Thus, through the arrangement of the third electromagnets 10, the chips far away from the first electromagnet 3 and the second electromagnet 4 can be better sucked out, and the chip suction effect of the device is further improved. Further, in order to discharge the chips after the third electromagnets 10 are powered off, the end face of the third electromagnet 10 opposite to the position of the breaking surface of the connecting rod end 5 is located above the first chip discharge port 8.

[0044] For example, the gap between the first electromagnet 3 and the position of the breaking surface of the connecting rod end 5 is 0-0.5 mm; the gap between the second electromagnet 4 and the position of the breaking surface of the connecting rod end 5 is 0-0.5 mm; and the gap between the third electromagnet 10 and the position of the breaking surface of the connecting rod end 5 is 0-0.5 mm. Such design can make each electromagnet closer to the position of the breaking surface of the connecting rod end 5, basically form a closed space, and ensure the effective magnetic attraction force of each electromagnet on the chips.

[0045] Exemplarily, the electromagnetic chip suction device for the broken connecting rod further comprises a position sensor 12 for detecting the position of the connecting rod end 5, and the position sensor 12 is installed on the base 1. In operation, the extension and retraction of the cylinder 2 can be automatically operated in cooperation with the detection of the position sensor 12, thereby reducing the manual operation time.

[0046] Exemplarily, in order to conveniently control the on-off of the power supply of each electromagnetic iron, the electromagnetic chip suction device for the broken connecting rod further comprises a controller, the controller is electrically connected with the first electromagnetic iron 3, the second electromagnetic iron 4, the third electromagnetic iron 10 and the position sensor 12 respectively, when the position sensor 12 detects that the connecting rod end 5 is in place, the controller controls the first electromagnetic iron 3, the second electromagnetic iron 4 and the third electromagnetic iron 10 to be powered on at the same time, and when the position sensor 12 detects that the connecting rod end 5 leaves the groove 6, the controller controls the first electromagnetic iron 3, the second electromagnetic iron 4 and the third electromagnetic iron 10 to be powered off at the same time.

[0047] It should be further pointed out that the electromagnetic chip suction device of the present application also has the advantage of high liftability: the material of the connecting part of the electromagnetic iron and the connecting rod assembly can be changed to soft material by modification, thereby further reducing the gap between the electromagnetic iron and the connecting rod assembly and improving the negative pressure in the electromagnetic iron; the current of the electromagnetic iron can be adjusted according to the needs, thereby improving the chip suction efficiency; different electromagnetic irons can be designed according to different connecting rod assemblies of different models, or a universal electromagnetic iron can be designed, thereby improving the flexibility of the device.

[0048] In addition, the present application also provides a connecting rod broken chip suction method, which uses the electromagnetic chip suction device for the broken connecting rod described above, and comprises the following steps:

[0049] Step one, the end of the connecting rod assembly is sleeved on the outer ring of the broken mechanism 11, and the connecting rod end 5 is placed flat on the groove 6, at this time the side end face of the connecting rod end 5 is attached to the bottom face of the groove 6;

[0050] Step two, after the position sensor 12 detects that the connecting rod end 5 is in place, the power supply is controlled to power on each electromagnetic iron;

[0051] Step three, the push rod of the cylinder 2 is controlled to extend, the second electromagnetic iron 4 is pushed to move from the first station A to the second station B, at this time the second electromagnetic iron 4 is located above the first electromagnetic iron 3 and encloses the first electromagnetic iron 3 to form a suction cavity 7 matching the outer profile of the position of the broken surface of the connecting rod end 5;

[0052] Step four, the bolts 13 on both sides of the connecting rod end 5 are loosened, and the loosening distance of the bolts 13 is used to limit the opening distance of the broken surface of the connecting rod end 5;

[0053] Step five, the breakage mechanism 11 is started, the connecting rod end 5 is broken from the middle, and the debris on the breakage surface is adsorbed by the electromagnet;

[0054] Step six, the push rod of the cylinder 2 is controlled to retreat, the second electromagnet 4 is driven to move from the second station B to the first station A, and the second electromagnet 4 is away from the space above the first electromagnet 3;

[0055] Step seven, the connecting rod assembly is taken away, the power supply of the electromagnet is turned off after the position sensor 12 detects that the connecting rod end 5 is away, the debris adsorbed on the electromagnet is automatically dropped, and the debris is collected in the debris collecting device through the first debris discharge port 8 communicated with the adsorption cavity 7 and the second debris discharge port 9 located below the first station A, and the connecting rod breakage process is ended.

[0056] Since the connecting rod breakage debris adsorption method provided by the application uses the electromagnet debris adsorption device for connecting rod breakage described above, it has all the beneficial effects of the electromagnet debris adsorption device for connecting rod breakage described above, which will not be repeated here.

[0057] The above is only the preferred embodiment of the application, and it should be pointed out that for ordinary skilled in the art, several improvements and replacements can be made without departing from the technical principles of the application, and these improvements and replacements should also be considered as the protection scope of the application.

Claims

1. An electromagnet chip arrester for a connecting rod break, characterized in that The utility model provides a kind of electromagnetic iron dust absorption device for connecting rod breaking, including base, cylinder, first electromagnet and second electromagnet;The base is equipped with the recess for the end head of connecting rod to be placed, the first electromagnet is equipped with two and symmetrically fixed in the top of the recess two sides;The cylinder is equipped with two and symmetrically installed in the two sides of the base, the end of the push rod of two cylinder is respectively connected with the second electromagnet and can drive the second electromagnet reciprocating between first station and second station;When the cylinder pushes the second electromagnet and moves to the second station, the second electromagnet is located above the first electromagnet and is enclosed with the first electromagnet to form suction cavity matching with the outside profile of connecting rod end head to be broken surface position;First chip removal opening and second chip removal opening are opened on the base, the first chip removal opening is communicated with the bottom of the suction cavity, and the second chip removal opening is located below the first station.

2. The electromagnet chip arrester for connecting rod breakage according to claim 1, characterized in that, It also includes two third electromagnets, which are symmetrically arranged on the inner side of the connecting rod end head and opposite to the breaking surface position of the connecting rod end head.

3. The electromagnet chip arrester for connecting rod breakage according to claim 2, characterized in that, The end face of the third electromagnet opposite to the breaking surface position of the connecting rod end head is located above the first chip removal opening.

4. The electromagnet chip arrester for connecting rod fracture according to claim 2, characterized in that, The two third electromagnets are symmetrically fixed on the outer periphery of the breaking mechanism.

5. The electromagnet chip arrester for connecting rod fracture according to claim 2, characterized in that, The gap between the first electromagnet and the breaking surface position of the connecting rod end head is 0-0.5mm.

6. The electromagnet chip arrester for connecting rod fracture according to claim 2, characterized in that, The gap between the second electromagnet and the breaking surface position of the connecting rod end head is 0-0.5mm.

7. The electromagnet chip arrester for connecting rod fracture according to claim 3, characterized in that, The gap between the third electromagnet and the breaking surface position of the connecting rod end head is 0-0.5mm.

8. An electromagnet chip arrester for use in a connecting rod breakage according to any one of claims 2 to 7, characterized in that It also includes a position sensor for detecting the position of the connecting rod end head, which is installed on the base.

9. The electromagnet chip arrester for connecting rod breakage according to claim 8, characterized in that, It also includes a controller electrically connected to the first electromagnet, the second electromagnet, the third electromagnet and the position sensor, respectively, for controlling the power supply of the first electromagnet, the second electromagnet and the third electromagnet.

10. A connecting rod breakage and chip absorption method characterized by Using the electromagnetic iron dust absorption device for connecting rod breaking according to any one of claims 1-9, comprising the following steps: Step one, the end of the connecting rod assembly is sleeved on the outer ring of the breaking mechanism, and the connecting rod end is placed flat on the recess, at this time the side end face of the connecting rod end is in contact with the bottom face of the recess; Step two, after the position sensor detects that the connecting rod end is in place, the power supply is controlled to supply power to each electromagnet; Step three, the push rod of the cylinder is controlled to extend and push the second electromagnet to move from the first station to the second station, at this time the second electromagnet is located above the first electromagnet and forms a suction cavity matching with the outside profile of the connecting rod end to be broken surface position with the first electromagnet; Step four, loosen the bolts on both sides of the connecting rod end, and use the loosening distance of the bolts to limit the opening distance of the breaking surface of the connecting rod end; Step five, start the breaking mechanism to break the connecting rod end from the middle, at this time the debris on the breaking surface is absorbed by each electromagnet; Step six, control the push rod of the cylinder to retract and drive the second electromagnet to move from the second station to the first station, at this time the second electromagnet leaves the space above the first electromagnet. Step seven, the connecting rod assembly is removed, the position sensor detects the connecting rod end off, the power of each electromagnet is disconnected; the debris adsorbed on each electromagnet automatically falls and reaches the debris collection device through the first debris discharge port communicated with the adsorption cavity and the second debris discharge port located below the first station, and the connecting rod breaking process is ended.

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