Crankshaft oil hole sand blasting deburring equipment

Abstract

The utility model relates to the technical field of crankshaft machining, and particularly discloses crankshaft oil hole sand blasting deburring equipment which comprises a rack, a first positioning piece and a second positioning piece are installed on the two sides of the rack respectively, and a positioning space is formed by the first positioning piece and the second positioning piece and used for installing a crankshaft body. A straight oil hole and an inclined oil hole are formed in the crankshaft body, and a crossed part is formed at the crossed part of the straight oil hole and the inclined oil hole; a sand blasting mechanism used for sand blasting operation is arranged on the rack and used for deburring operation on the interior of the crankshaft body. And the sand blasting mechanism is connected with the sand storage equipment through a connecting pipe. The sand blasting mechanism is used for removing burrs on the crankshaft body, and particularly removing burrs on straight oil holes, inclined oil holes and crossed parts formed by the straight oil holes and the inclined oil holes in the crankshaft body, so that the burr removing efficiency can be greatly improved compared with manual burr filing and automatic burr filing in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crankshaft processing, specifically to a crankshaft oil hole sand blasting deburring equipment. BACKGROUND

[0002] The crankshaft is the most important component in the engine, which bears the force transmitted by the connecting rod and converts it into torque through the crankshaft output to drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of rotating mass, periodic change of gas inertia force and reciprocating inertia force, so it requires sufficient strength and stiffness.

[0003] The high-speed rotation of the known crankshaft generates friction, which needs to be lubricated through the oil hole. In order to facilitate the circulation of lubricating oil, straight oil holes and inclined oil holes are usually provided on the crankshaft, and the straight oil holes are located on the main journal, while the inclined oil holes are located on the crank journal. The inclined oil hole needs to transmit lubricating oil through the straight oil hole to ensure the lubrication of the connecting rod journal, and the straight oil hole and the inclined oil hole are in a conductive state. If the straight oil hole and the inclined oil hole are not connected, the lubricating oil of the connecting rod journal cannot be effectively supplied, which will affect the normal operation and lubrication effect of the crankshaft.

[0004] In the prior art, such as the Chinese patent with application number 202223315335.1 and authorization announcement number CN219113745U, named a deburring device for crankshaft machining, the above-mentioned patent is a deburring device for crankshaft machining, which comprises a mounting frame, a screw assembly is arranged on the mounting frame, an electric cylinder is arranged on the screw assembly, the electric cylinder is connected with a mounting plate, a rotary motor is arranged on the mounting plate, and the rotary motor is connected with a turnover block through a shaft.

[0005] The movement of the rotary motor in the above-mentioned patent can realize the automatic switching of the two polishing assemblies, which reduces the labor intensity of frequent replacement of polishers in the process of deburring the journal and oil hole of the crankshaft compared with the prior art. However, burrs exist in the intersection part of the straight oil hole and the inclined oil hole on the crankshaft, such as the above-mentioned patent, which affects the circulation of lubricating oil to some extent. Therefore, in the prior art, on the one hand, manual tool polishing is adopted, which increases the workload and reduces the work efficiency, on the other hand, in the prior art such as the above-mentioned patent, automatic deburring equipment is also used, but due to the special structure of the intersection part of the straight oil hole and the inclined oil hole, it is also difficult to effectively remove the burrs, which has certain disadvantages. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a crankshaft oil hole sand blasting deburring equipment to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a crankshaft oil hole sand blasting deburring equipment, including frame, both sides of frame are installed with first positioning piece and second positioning piece, first positioning piece and second positioning piece form positioning space for installing crankshaft body, straight oil hole and inclined oil hole are set up on the crankshaft body, and the intersection of straight oil hole and inclined oil hole forms intersection part, sand blasting mechanism for sand blasting operation is set up on the frame, and is used for deburring operation inside the crankshaft body, still include sand storage equipment, and sand blasting mechanism is connected with sand storage equipment through connecting pipe.

[0008] Further, the sand blasting mechanism includes a first mounting plate, a second mounting plate is slidably connected to the first mounting plate by a first power member, a third mounting plate is also slidably connected to the second mounting plate, and the third mounting plate is slidably connected to the second mounting plate by a second power member; a mounting block is vertically slidably connected to the third mounting plate by a third power member, a spray head is provided on the mounting block by a mounting unit, the spray head is in communication with the connecting pipe by a communication pipe, and a second motor is provided on the mounting block for driving the spray head to rotate.

[0009] Further, the mounting unit includes a power rod rotatably connected to the mounting block, and the power rod is coaxially connected to the second motor drive shaft; a power plate is fixedly connected to the power rod, and a connecting cylinder is fixedly connected to the power plate, and the spray head is fixed to the connecting cylinder by a connecting seat.

[0010] Further, the communication pipe is rotatably connected to the connecting cylinder by a limiting unit.

[0011] Further, the first positioning piece includes a positioning frame mounted inside the frame, a fixed frame is mounted on the positioning frame by a sliding rail unit, a first positioning head is rotatably connected to the fixed frame, and a first motor is provided on the fixed frame for driving the first positioning head to rotate.

[0012] Further, a first cylinder is provided on the positioning frame for driving the fixed frame to slide.

[0013] Further, the second positioning piece includes a support frame fixedly connected to the frame, a second positioning head is slidably connected to the support frame, and a second cylinder is provided on the support frame for driving the second positioning head to slide.

[0014] Further, a probe assembly for detecting the positioning of the crankshaft body is also provided on the frame.

[0015] Further, the probe assembly includes a bearing plate fixedly connected to the frame, a third cylinder is mounted on the bearing plate, and a probe body for detection is mounted on the output end of the third cylinder.

[0016] Further, the frame is provided with a protection frame.

[0017] Compared with the prior art, the beneficial effects of the utility model are that: the crankshaft oil hole sand blasting deburring equipment, when working, first, the crankshaft body is fixed on the given station through the first positioning piece and the second positioning piece, then the sand blasting mechanism is started, the sand blasting mechanism removes the burrs on the crankshaft body, especially the straight oil hole, the inclined oil hole and the intersection part formed by the straight oil hole and the inclined oil hole are deburred, compared with the manual and automatic burr deburring in the prior art, the burr removal efficiency can be greatly improved, the burrs accumulated in the intersection part of the straight oil hole and the inclined oil hole do not affect the circulation of lubricating oil, the service life of the crankshaft body can be improved, therefore the practicability of the deburring equipment can be improved, and the utility model is suitable for being widely used. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 The overall structure schematic view provided by the utility model embodiment is shown in the figure.

[0020] Figure 2 The internal structure schematic view of the protection frame provided by the utility model embodiment is shown in the figure.

[0021] Figure 3 The sand blasting mechanism structure schematic view provided by the utility model embodiment is shown in the figure.

[0022] Figure 4 The mounting unit structure schematic view provided by the utility model embodiment is shown in the figure.

[0023] Figure 5 The first positioning piece structure schematic view provided by the utility model embodiment is shown in the figure.

[0024] Figure 6 The second positioning piece structure schematic view provided by the utility model embodiment is shown in the figure.

[0025] Figure 7 The probe assembly structure schematic view provided by the utility model embodiment is shown in the figure.

[0026] Figure 8 The crankshaft body structure schematic view provided by the utility model embodiment is shown in the figure.

[0027] Explanation of reference signs: 1, rack; 2, sand storage device; 3, connecting pipe; 4, first positioning member; 41, first positioning head; 42, first motor; 43, slide rail unit; 44, first air cylinder; 5, second positioning member; 51, second positioning head; 52, second air cylinder; 53, support frame; 6, probe assembly; 61, probe body; 62, bearing plate; 63, third air cylinder; 7, sand blasting mechanism; 71, first mounting plate; 72, third mounting plate; 73, mounting block; 74, first power member; 75, second power member; 76, third power member; 77, spray head; 78, mounting unit; 781, power rod; 782, power plate; 783, connecting barrel; 784, connecting seat; 79, second motor; 710, second mounting plate; 8, crankshaft body; 81, straight oil hole; 82, inclined oil hole; 83, intersection part; 9, protective frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-8 The utility model provides a kind of technical solutions: a crankshaft oil hole sand blasting deburring equipment, including rack 1, first positioning member 4 and second positioning member 5 are respectively installed on the both sides of rack 1, and first positioning member 4 and second positioning member 5 form positioning space, for installing crankshaft body 8;Straight oil hole 81 and inclined oil hole 82 are set on crankshaft body 8, and straight oil hole 81 and inclined oil hole 82 intersection form intersection part 83;Rack 1 is provided with sand blasting mechanism 7 for sand blasting operation, for deburring operation inside crankshaft body 8;It further includes sand storage device 2, and sand blasting mechanism 7 is connected with sand storage device 2 by connecting pipe 3.

[0030] Specifically, the crankshaft oil hole sand blasting deburring equipment, wherein the frame 1, the frame 1 both sides are respectively installed with first positioning piece 4 and second positioning piece 5, first positioning piece 4 and second positioning piece 5 form positioning space, for installing crankshaft body 8, can improve the stability of crankshaft body 8 installation. Wherein the crankshaft body 8 is provided with straight oil hole 81 and inclined oil hole 82, straight oil hole 81 and inclined oil hole 82 intersection form intersection part 83, facilitate the circulation of lubricating oil when the crankshaft body 8 works. Wherein the frame 1 is provided with sand blasting mechanism 7 for sand blasting operation, for deburring operation inside the crankshaft body 8;Also includes sand storage equipment 2, sand blasting mechanism 7 and sand storage equipment 2 are connected through connecting pipe 3, specifically sand storage equipment 2 is prior art, not here. And the whole deburring equipment can be controlled by PLC control program control operation. When the crankshaft body 8 needs to be deburred, first of all, through the first positioning piece 4 and the second positioning piece 5, the crankshaft body 8 is fixed on the specified station, then start sand blasting mechanism 7, sand blasting mechanism 7 removes the burr on the crankshaft body 8, especially the straight oil hole 81, the inclined oil hole 82 and the intersection part 83 formed by the straight oil hole 81 and the inclined oil hole 82 on the crankshaft body 8 are deburred, more specifically, the opening or hole wall of straight oil hole 81 and inclined oil hole 82 is simultaneously deburred, compared with the manual and automatic burr deburring of prior art, the deburring efficiency can be greatly improved, the burr retained in the intersection part 83 of the intersection of straight oil hole 81 and inclined oil hole 82 can be avoided to affect the circulation of lubricating oil, the service life of crankshaft body 8 can be improved, therefore the practicability of the deburring equipment can be improved, and it is suitable for wide promotion and use. Further, compared with the need of selecting different files according to the different diameter of crankshaft hole in prior art, the use of sand blasting mechanism can deburr the crankshaft oil hole of different diameter, further broaden the application range of the deburring equipment.

[0031] In the embodiment of the utility model, wherein sand blasting mechanism 7 includes first mounting plate 71, first mounting plate 71 is slidably connected with second mounting plate 710 through first power piece 74, second mounting plate 710 is also slidably connected with third mounting plate 72, and third mounting plate 72 is slidably connected with second mounting plate 710 through second power piece 75;Third mounting plate 72 is vertically slidably connected with a mounting block 73 through third power piece 76, the mounting block 73 is provided with a spray head 77 through mounting unit 78, the spray head 77 is communicated with the connecting pipe 3 through the communicating pipe, and the mounting block 73 is provided with a second motor 79 for driving the spray head 77 to rotate.Specifically, first power piece 74, second power piece 75 and third power piece 76 are all screw rod transmission assemblies, and their structures and working principles are consistent, are all driven by the motor to rotate the screw rod, and can further drive the goods carried by the screw rod to transport.Furthermore, the spraying mechanism can slide along the X, Y and Z axis directions on the rack 1, the deburring operation of the crankshaft body 8 is realized, the second motor 79 drives the spray head 77 to rotate, and the state of the spray head 77 can be adjusted as required, so that the deburring operation is better completed.

[0032] In the embodiment of the utility model, mounting unit 78 includes power rod 781 rotatably connected on mounting block 73, and power rod 781 is coaxially connected with the drive shaft of second motor 79;Power rod 781 is fixedly connected with a power plate 782, and power plate 782 is fixedly connected with a connecting cylinder 783, and spray head 77 is fixed on connecting cylinder 783 through connecting seat 784, so that, during use, second motor 79 drives power plate 782 to rotate through power rod 781, and the state of spray head 77 is adjusted through connecting cylinder 783 and mounting block 73, meeting the working requirement.

[0033] In the embodiment of the utility model, the communicating pipe is rotatably connected with the connecting cylinder 783 through the limiting unit, and the stability of the communicating pipe and the connecting cylinder 783 during installation can be improved.

[0034] In the embodiment of the utility model, first positioning piece 4 includes a positioning frame installed in the inside of rack 1, a fixed frame is installed on the positioning frame through slide rail unit 43, first positioning head 41 is rotatably connected on the fixed frame, first motor 42 for driving first positioning head 41 to rotate is arranged on the fixed frame, and first cylinder 44 for driving the fixed frame to slide is arranged on the positioning frame.Therefore, during use, first positioning head 41 is driven to rotate through first motor 42, crankshaft body 8 is driven to rotate through first positioning head 41, and the installation state of crankshaft body 8 is adjusted.And the fixed frame is driven to slide through first cylinder 44, and the installation and disassembly of crankshaft body 8 can be facilitated.

[0035] In the embodiment provided by the utility model, the second positioning member 5 comprises a support frame 53 fixedly connected to the rack 1, the support frame 53 is slidably connected with a second positioning head 51, the support frame 53 is provided with a second cylinder 52 for driving the second positioning head 51 to slide, and the same reason can facilitate the installation and disassembly of the crankshaft body 8.

[0036] In the embodiment provided by the utility model, the rack 1 is further provided with a probe assembly 6 for detecting the positioning of the crankshaft body 8, the probe assembly 6 comprises a bearing plate 62 fixedly connected to the rack 1, the bearing plate 62 is provided with a third cylinder 63, and the output end of the third cylinder 63 is provided with a probe body 61 for detecting operation, specifically, the probe assembly 6 can judge the circumferential position of the crankshaft body 8, the PLC can calculate the positions of the straight oil hole 81 and the inclined oil hole 82 on the crankshaft body 8, the PLC controls the sand blasting mechanism 7, so that the sand blasting mechanism 7 carries the nozzle 77 to accurately arrive above the straight oil hole 81 and the inclined oil hole 82 on the crankshaft body 8, and the sand flow is sprayed through the straight oil hole 81 and the inclined oil hole 82 on the crankshaft body 8, so as to achieve the purpose of removing the burrs of the intersection part 83 at the intersection of the straight oil hole 81 and the inclined oil hole 82.

[0037] In the embodiment provided by the utility model, the rack 1 is provided with a protective frame 9, which plays a protective effect.

[0038] It should be noted that the power consumption equipment and all can be powered by the battery or external power supply in the application.

[0039] In the description of the utility model, it should be explained that, unless there is definite provision and limitation, the terms "installation", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0040] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A crankshaft oil hole sandblasting deburring device, comprising a rack (1), characterized in that: first positioning members (4) and second positioning members (5) are respectively arranged on both sides of the rack (1), the first positioning members (4) and the second positioning members (5) form a positioning space for mounting a crankshaft body (8); straight oil holes (81) and inclined oil holes (82) are arranged on the crankshaft body (8), and the straight oil holes (81) and the inclined oil holes (82) form intersection parts (83) at intersections; a sandblasting mechanism (7) for sandblasting operation is arranged on the rack (1) and used for deburring operation inside the crankshaft body (8); a sand storage device (2) is further included, and the sandblasting mechanism (7) is connected with the sand storage device (2) through a connecting pipe (3); the sandblasting mechanism (7) comprises a first mounting plate (71), a second mounting plate (710) is slidably connected to the first mounting plate (71) through a first power member (74); a third mounting plate (72) is further slidably connected to the second mounting plate (710), and the third mounting plate (72) is slidably connected with the second mounting plate (710) through a second power member (75); an installation block (73) is vertically slidably connected to the third mounting plate (72) through a third power member (76), a spray head (77) is arranged on the installation block (73) through a mounting unit (78), the spray head (77) is in communication with the connecting pipe (3) through a communication pipe, and a second motor (79) for driving the spray head (77) to rotate is arranged on the installation block (73); the first positioning members (4) comprise positioning racks arranged in the rack (1), a fixed rack is arranged on the positioning racks through a sliding rail unit (43), a first positioning head (41) is rotatably connected to the fixed rack, and a first motor (42) for driving the first positioning head (41) to rotate is arranged on the fixed rack; the second positioning members (5) comprise support racks (53) fixedly connected to the rack (1), a second positioning head (51) is slidably connected to the support racks (53), and a second cylinder (52) for driving the second positioning head (51) to slide is arranged on the support racks (53). The mounting unit (78) comprises a power rod (781) rotatably connected to the installation block (73), and the power rod (781) is coaxially connected with a driving shaft of the second motor (79); a power plate (782) is fixedly connected to the power rod (781), a connecting barrel (783) is fixedly connected to the power plate (782), and the spray head (77) is fixed to the connecting barrel (783) through a connecting seat (784). The communication pipe is rotatably connected with the connecting barrel (783) through a limiting unit. A first cylinder (44) for driving the fixed rack to slide is arranged on the positioning racks. A probe assembly (6) for detecting positioning of the crankshaft body (8) is further arranged on the rack (1). ​ ​ ​ ​ ​ 2. A crankshaft oil hole deburring apparatus according to claim 1, characterized by: ​ ​ 3. A crankshaft oil hole deburring apparatus according to claim 2, characterized in that: ​ 4. A crankshaft oil hole deburring apparatus according to claim 1, characterized by: ​ 5. A crankshaft oil hole deburring apparatus as set forth in claim 1, characterized by: ​ 6. A crankshaft oil hole deburring apparatus as set forth in claim 5, characterized by: The probe assembly (6) comprises a bearing plate (62) fixedly connected to the rack (1), a third cylinder (63) is installed on the bearing plate (62), and a probe body (61) for detecting work is installed on the output end of the third cylinder (63).

7. A crankshaft oil hole deburring apparatus as set forth in claim 1, characterized by: The rack (1) is provided with a protective frame (9).

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