Crankshaft machining equipment

Abstract

The utility model relates to the technical field of crankshaft machining, in particular to crankshaft machining equipment which can generate a large amount of scrap iron when machining procedures such as grinding are carried out. At the moment, the magnet located below the clamping device has attraction to the scrap iron, and the scrap iron is attracted to the surface of the magnet under the combined action of gravity and magnetic field force. And the situation that scrap iron flies in the machining cavity is reduced to a great extent. Pollution of the scrap iron to the machining environment is avoided, and potential hazards of the scrap iron to the health of operators are reduced. And meanwhile, an operator can clearly observe the grinding process of the crankshaft, machining parameters are accurately adjusted in time, the machining precision and the surface quality of the crankshaft can be guaranteed, and the product percent of pass is increased. The method can be widely applied to the technical field of crankshaft machining.

Description

TECHNICAL FIELD

[0001] The utility model relates to crankshaft machining technical field, specifically, a kind of crankshaft machining equipment. BACKGROUND

[0002] As the key component of engine, the processing of crankshaft needs the following processes. First, select material blanking, select suitable steel and cut into blank;Then, preliminary forming by forging, improve material performance;After that, machining, through rough machining of turning, milling, drilling, etc. Finally, grinding finishing ensures precision and surface quality.

[0003] In the process of crankshaft grinding, a large amount of iron filings will be produced. The existing technology such as patent CN222269916.U uses the driving motor in numerical control crankshaft grinding machine to drive the fan blade to rotate and generate airflow to clean the iron filings. It also expands the blowing range through the shaft and blade.

[0004] But this way will cause iron filings to fly: the fan blowing makes the iron filings fly in the grinding machine, pollutes the environment, and may also enter the equipment components, affecting the normal operation of the equipment; Secondly, the flying iron filings will block the line of sight of the workers, hinder the observation of the grinding state of the crankshaft by the operators, so that they cannot adjust the grinding parameters in time, affecting the processing quality. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model provides a crankshaft machining equipment.

[0006] In order to solve the above technical problems, the utility model solves them through the following technical schemes:

[0007] A crankshaft machining equipment, comprising a machining box, a clamping device for fixing the crankshaft is arranged in the machining box, a magnet is arranged below the clamping device in the machining box, the magnet divides the inner cavity of the machining box into an upper machining cavity and a lower recovery cavity, and the magnet is used for adsorbing the iron filings produced in the process of machining the crankshaft.

[0008] When the grinding and other machining processes are carried out, a large amount of iron filings will be produced. At this time, the magnet below the clamping device has an attractive force on the iron filings, and the iron filings are adsorbed to the surface of the magnet under the joint action of gravity and magnetic force. This greatly reduces the flying of iron filings in the machining cavity. This not only avoids the pollution of iron filings to the machining environment, but also reduces the potential harm of iron filings to the health of operators. At the same time, the operator can clearly observe the grinding process of the crankshaft and accurately adjust the machining parameters in time, which helps to ensure the machining precision and surface quality of the crankshaft and improve the product qualification rate.

[0009] As preferred, the magnet is in the shape of a cylinder and horizontally arranged, and the magnet can rotate along its axis, and the iron filings can enter the recycling cavity along with the magnet, and the recycling cavity is provided with a scraper, and the upper end surface of the scraper is in contact with the lowest end of the surface of the magnet.

[0010] When the crankshaft is machined on the clamping device in the machining box to generate iron filings, the iron filings are attracted and adsorbed on the surface of the magnet by the magnetic field of the magnet. When the magnet rotates around the axis, the iron filings adsorbed thereon rotate with it. When it rotates to the lowest end of the surface of the magnet, the scraper in contact with the lowest end of the surface of the magnet begins to work. Since the scraper is fixed in the recycling cavity, when the magnet with adsorbed iron filings rotates to the position of the scraper, the iron filings are collected at the scraper. When the iron filings increase, part of the iron filings falls into the designated position in the recycling cavity under the action of gravity, thereby realizing the transfer and collection of the iron filings from the machining area to the recycling area.

[0011] As preferred, the magnet is provided with a plurality of gaps between adjacent magnets, and the scraper corresponds to the magnet one by one, and further comprises a mounting column, and the scraper is fixed on the mounting column, and the other end of the mounting column is fixed on the inner side wall of the machining box.

[0012] The arrangement of multiple magnets increases the total area of adsorbed iron filings, which can more effectively capture the iron filings generated in the machining process and improve the adsorption capacity. At the same time, each magnet is equipped with a corresponding scraper, which can clean the surface of each magnet in time, making the iron filings collection process more efficient, reducing the residual time of the iron filings in the machining area, and further reducing the possibility of iron filings flying. The arrangement of the mounting column realizes the fixation of each scraper.

[0013] As preferred, the magnet is provided with a plurality of gaps between adjacent magnets, and the scraper corresponds to the magnet one by one, and further comprises a mounting column, and the scraper is fixed on the mounting column, and the other end of the mounting column is fixed on the inner side wall of the machining box.

[0014] The synchronous rotation of multiple magnets is realized through gear transmission, which ensures that the cleaning rhythm of all magnets for iron filings is consistent, greatly improving the efficiency and stability of iron filings collection. Compared with driving each magnet separately, this synchronous driving mode reduces the number of driving components, reduces the complexity of the system, reduces the failure points, and improves the reliability of the overall operation of the equipment.

[0015] As preferred, the machining box is further provided with a door fixed on the side wall thereof away from the mounting column.

[0016] The box door is arranged on the side wall of the machining box away from the mounting column, and is mainly used for providing a convenient access for maintenance, repair and related operations inside the equipment. When it is necessary to check, repair, replace or clean the parts inside the machining box, such as the magnet, the scraper, the rotating shaft, the gear transmission system, etc., the box door can be opened. After the box door is opened, the operator can directly contact the internal structure of the equipment, thereby facilitating various operations.

[0017] As a preferred embodiment, the upper end surface of the scraper is provided with a brush in contact with the magnet.

[0018] Compared with the rigid scraper directly contacting the surface of the magnet, the brush is soft in texture, which can greatly reduce the scratching damage to the surface of the magnet during the cleaning of the iron filings, thereby helping to prolong the service life of the magnet, ensuring the stable magnetic field performance of the magnet, and continuously and effectively playing the role of adsorbing the iron filings.

[0019] As a preferred embodiment, the clamping device comprises a rotating shaft arranged on the side wall of the machining cavity, a rotating disc fixed on the rotating shaft, an extension rod arranged on the rotating disc, and a clamping plate fixed on the end of the extension rod.

[0020] The rotating shaft on the side wall can rotate around its own axis, and the rotating disc is fixed on the rotating shaft, so the rotating disc will rotate together with the rotating shaft. The extension rod is installed on the rotating disc, and the end of the extension rod is connected with the clamping plate. When it is necessary to fix the crankshaft, the length of the extension rod can be adjusted according to the size of the crankshaft, so that the clamping plates on both sides move to the appropriate position to tightly clamp the crankshaft, thereby achieving the fixation of the crankshaft.

[0021] When the iron filings above the crankshaft fall off due to the obstruction of the crankshaft during the machining process, the rotating function of the rotating disc of the clamping device plays a role. By rotating the rotating disc, the angle of the clamped crankshaft is changed. With the change of the angle of the crankshaft, the position and stress state of the iron filings originally above the crankshaft which are relatively difficult to fall off are changed. Under the influence of gravity and magnetic force, these iron filings are separated from the surface of the crankshaft, and then are adsorbed by the magnet below or directly fall into the recycling cavity. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the crankshaft machining equipment in the embodiment;

[0023] Figure 2 It is a schematic diagram of the back structure of the crankshaft machining equipment in the embodiment;

[0024] Figure 3 It is a schematic diagram of the rotating shaft structure with a driving gear in the embodiment;

[0025] Figure 4 It is a schematic diagram of the structure of the scraper in the embodiment;

[0026] Figure 5 It is a schematic diagram of the structure of the clamping device in the embodiment.

[0027] The parts denoted by the reference numerals in the drawings are as follows:

[0028] 110, processing box; 1101, processing cavity; 1102, recycling cavity; 1103, box door; 120, magnet; 1201, rotating shaft; 1202, driven gear; 1203, driving gear; 130, scraper; 1301, mounting column; 1401, driving motor; 1402, driving shaft; 1403, driving gear; 1501, rotating rod; 1502, rotating disc; 1503, telescopic rod; 1504, clamping plate. DETAILED DESCRIPTION

[0029] For further understanding of the present application, the application will be described in detail with reference to the drawings and embodiments. It should be understood that the embodiments are only used to explain the present application but not to limit the present application.

[0030] Embodiment

[0031] As shown in Figures 1-5 The present embodiment discloses a crankshaft processing equipment, which mainly comprises a processing box 110, a clamping device, a magnet 120 assembly, a scraper 130 assembly, a transmission device, a box door 1103 and the like.

[0032] The internal space of the processing box 110 is divided into two chambers by the horizontally arranged magnet 120, i.e., a processing cavity 1101 above and a recycling cavity 1102 below. The clamping device is installed in the processing cavity 1101 and comprises a rotating rod 1501 arranged on the side wall of the processing cavity 1101. The rotating rod 1501 is fixed with a rotating disc 1502, and the rotating disc 1502 is distributed with telescopic rods 1503, the ends of which are connected with clamping plates 1504.

[0033] The magnet 120 assembly is composed of a plurality of magnets 120 with cylindrical cross sections and horizontally arranged. Each magnet 120 is fixed with a rotating shaft 1201 at the axial center. Adjacent magnets 120 are left with gaps, and the driven gears 1202 on both sides of the rotating shaft 1201 are engaged with each other. The end of one rotating shaft 1201 extends out of the side wall of the processing box 110, and the extending end is fixed with a driving gear 1203.

[0034] The transmission device comprises a driving motor 1401, a driving shaft 1402 and a driving gear 1403. The driving motor 1401 drives the driving gear 1403 to rotate through the driving shaft 1402, and the driving gear 1403 is engaged with the driving gear 1203 extending out of the side wall of the processing box 110, so as to realize the synchronous rotation of the plurality of magnets 120.

[0035] In the scraper 130 assembly, the scraper 130 corresponds to the magnet 120 one by one, each scraper 130 is fixed at one end of the mounting column 1301, the other end of the mounting column 1301 is fixed on the inner side wall of the processing box 110, the upper end surface of the scraper 130 is provided with a brush in contact with the surface of the magnet 120; in addition, a box door 1103 is arranged on the side wall of the processing box 110 away from the mounting column 1301.

[0036] The use principle and process of the crankshaft machining equipment in the embodiment are as follows:

[0037] The crankshaft is placed in the processing cavity 1101, according to the size of the crankshaft, the length of the telescopic rod 1503 on the rotating disc 1502 is adjusted, the clamping plate 1504 is moved to the appropriate position, and the crankshaft is tightly clamped to complete the fixation. During the machining process, if the iron filings above the crankshaft are not easy to fall due to the obstruction of the crankshaft, the rotating rod 1501 can be rotated to drive the rotating disc 1502 and the clamping plate 1504 to rotate, thereby changing the angle of the crankshaft, changing the position and stress state of the iron filings, and promoting the iron filings to separate from the surface of the crankshaft under the action of gravity and magnetic force.

[0038] After the iron filings are generated during the machining of the crankshaft, the iron filings are adsorbed to the surface of the magnet 120 under the joint action of gravity and the magnetic field force of the magnet 120. The driving motor 1401 is started, the driving shaft 1402 is driven to rotate the driving gear 1403, the driving gear 1403 drives the driven gear 1203, and then the rotating shaft 1201 connected with the driven gear 1203 is rotated. Since the driven gears 1202 between the rotating shafts 1201 are meshed with each other, all the magnets 120 rotate synchronously around the shaft center. The iron filings adsorbed on the magnet 120 rotate with the magnet 120, and when the magnet 120 rotates to the lowest end position of the surface of the magnet 120, the scraper 130 in contact with the lowest end of the surface of the magnet 120 starts to work. The brush on the scraper 130 penetrates into the fine part of the surface of the magnet 120, and destroys the adsorption force between the iron filings and the magnet 120. As the iron filings increase in the scraper 130, part of the iron filings falls from the surface of the magnet 120 under the action of gravity, passes through the gap between the adjacent magnets 120, and falls into the recycling cavity 1102 below.

[0039] When it is necessary to perform maintenance, repair, cleaning and other operations on the inside of the equipment, the box door 1103 on the side wall of the processing box 110 is opened, and the operator can directly contact the internal components such as the magnet 120, the scraper 130, the rotating shaft 1201 and the gear transmission system.

[0040] Through the above setting, the iron filings can be efficiently collected, the flying of the iron filings in the processing cavity 1101 is greatly reduced, the pollution of the iron filings to the processing environment is effectively avoided, and the potential harm to the health of the operator is reduced.

[0041] In summary, the above is only the preferred embodiment of the present embodiment, any changes and modifications made in the scope of the patent application of the present embodiment shall be covered by the scope of the present embodiment.

Claims

1. A crankshaft machining apparatus comprising a machining tank (110), characterized in that: The machining box (110) is provided with a clamping device for fixing the crankshaft, and the machining box (110) is provided with a magnet (120) below the clamping device. The magnet (120) divides the cavity in the machining box (110) into an upper machining cavity (1101) and a lower recycling cavity (1102), and the magnet (120) is used for adsorbing iron filings generated in the machining process of the crankshaft.

2. A crankshaft machining apparatus according to claim 1, characterized by: The magnet (120) is horizontally arranged in a cylindrical cross-section, and can rotate along its axis. The iron filings can enter the recycling cavity (1102) along with the magnet (120), and the recycling cavity (1102) is provided with a scraper (130) with its upper end surface in contact with the lowest end of the surface of the magnet (120).

3. A crankshaft machining apparatus according to claim 2, characterized by: The magnet (120) is provided with a plurality of magnets (120) with gaps between adjacent magnets (120). The scraper (130) corresponds to the magnet (120) one by one, and further includes a mounting column (1301). The scraper (130) is fixed on the mounting column (1301), and the other end of the mounting column (1301) is fixed on the inner side wall of the machining box (110).

4. A crankshaft machining apparatus according to claim 3, characterized by: The magnet (120) is fixed with a rotating shaft (1201) at the axis, and the rotating shaft (1201) is provided with a driven gear (1202) on both sides of the magnet (120). The driven gears (1202) between adjacent rotating shafts (1201) are engaged. The end of one of the rotating shafts (1201) extends out of the side wall of the machining box (110), and the extended end is fixed with a driving gear (1203). Further including a driving motor (1401), a driving shaft (1402) and a driving gear (1403). The driving gear (1203) is engaged with the driving gear (1403) on the driving shaft (1402).

5. The crankshaft machining apparatus according to claim 3, characterized by: Further including a box door (1103) fixed on the side wall of the machining box (110) away from the mounting column (1301).

6. The crankshaft machining apparatus according to claim 2, characterized by: The upper end surface of the scraper (130) is provided with a brush in contact with the magnet (120).

7. The crankshaft machining apparatus according to claim 1, characterized by: The clamping device includes a rotating rod (1501) arranged on the side wall of the machining cavity (1101), and a rotating disc (1502) fixed on the rotating rod (1501). The rotating disc (1502) is provided with an extension rod (1503), and the end of the extension rod (1503) is fixed with a clamping plate (1504).

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