Differential cover machining device

Abstract

The invention belongs to the technical field of metal machining, and discloses a differential cover machining device which comprises a base mechanism, a feeding mechanism is arranged in the middle of the base mechanism, a mounting plate is arranged at the top of the base mechanism, and a mounting hole is formed in the middle of the mounting plate. The plurality of milling mechanisms are symmetrically arranged left and right, so that the plurality of milling mechanisms on the left side and the right side simultaneously move to the other side for milling and slotting, the horizontal force generated by milling and slotting of the differential cover is gathered and counteracted in the direction of the middle of the differential cover, and the pressure generated when jackets and clamping plates on the two sides of the feeding mechanism support the differential cover is reduced; therefore, the problems of low precision of the milled differential cover and short service life of a supporting and clamping device and a drill bit caused by non-uniform stress of the supporting and clamping device and the drill bit of the existing differential cover milling device are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of metal processing, and in particular relates to a differential cover processing device. Background Art

[0002] The differential is one of the key components in the vehicle transmission system. It allows the left and right wheels to rotate at different speeds when turning, thus ensuring that the vehicle turns smoothly without slipping. With the development of the automotive industry, the performance requirements for differentials are getting higher and higher, especially in improving vehicle handling, stability and fuel efficiency. In order to meet these needs, the design and manufacturing technology of differentials are also constantly improving.

[0003] When the differential is working, the gears and bearings inside it will generate a large amount of frictional heat. If the heat is not dissipated in time, the accumulated heat will cause the temperature inside the differential to rise and damage the gears and bearings. Therefore, a large number of heat sinks need to be milled on the surface of the differential to assist in heat dissipation. The existing milling device uses a large number of drills to make grooves in one direction, which causes the differential cover support clamping device to be subjected to large unidirectional force and long-term high unidirectional load, resulting in deformation and damage of the support clamping device, resulting in low milling groove accuracy and increased replacement cost of equipment parts. In addition, a large number of drills in the existing milling device move synchronously at the same speed. When milling the surface of a differential cover with a complex shape, the resistance of the drill with a large milling depth is greater than that of the drill with a small milling depth, resulting in the friction between the drill with a large milling depth and the differential cover to generate a large amount of heat, causing the differential cover to melt and the drill to deform. Summary of the invention

[0004] The object of the present invention is to provide a differential cover processing device to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a differential cover processing device, comprising a base mechanism, a feeding mechanism is provided in the middle of the base mechanism, a mounting plate is provided on the top of the base mechanism, a mounting hole is provided in the middle of the mounting plate, a swing mechanism is provided between the upper surface of the mounting plate and the mounting hole, the swing mechanism comprises two second telescopic rods, the two second telescopic rods are symmetrically fixedly installed on the left and right sides of the upper surface of the mounting plate, the output ends of the two second telescopic rods are fixedly installed with connecting blocks, the bottom surfaces of the two connecting blocks are fixed with sliding plates, the two sliding plates are respectively slidably sleeved on the left and right sides of the mounting plate, a plurality of guide rails are equidistantly fixedly installed on the inner sides of the two sliding plates, the upper surface of the guide rail and the front side of the upper surface of the mounting plate are fixedly installed with guide plates, the side of the guide plate is provided with guide grooves, the left and right sides of the adjacent two guide rails are staggeredly slidably sleeved with milling mechanisms, the right side of the left milling mechanism and the left side of the right milling mechanism are provided with pressure regulating mechanisms, and a pushing mechanism is provided between the side of the pressure regulating mechanism on the same side away from the milling mechanism and the upper surface of the mounting plate.

[0006] Preferably, the base mechanism includes two first support plates, a bottom plate is fixedly installed on the bottom of the inner side surfaces of the two first support plates, a top plate is fixedly installed on the top of the two first support plates, a middle hole is opened in the middle of the top plate, second support plates are symmetrically fixedly installed on the left and right sides of the upper surface of the top plate, the mounting plate is fixedly installed on the top ends of two second telescopic rods, a middle plate is fixedly installed on the front side of the middle part of the inner side surfaces of the first support plates, and guide plates are symmetrically fixedly installed on the left and right sides of the upper surface of the middle plate.

[0007] Preferably, the feeding mechanism includes a first telescopic rod, which is fixedly mounted on the middle part of the upper surface of the base plate, and a loading plate is fixedly mounted on the telescopic end of the first telescopic rod, and a clamping sleeve is fixedly sleeved on the rear side of the loading plate, and the clamping sleeve is slidably connected to the middle hole, and a clamping plate is fixedly mounted in front of the middle hole.

[0008] Preferably, the milling mechanism includes a driving member, the front and rear side surfaces of the driving member are tightly fitted with adjacent guide rails, the driving member is slidably sleeved in the middle of the two adjacent guide rails, the middle part of the driving member output shaft is slidably sleeved with a milling head, the top of the milling head is movably sleeved with a rotating sleeve, a push rod is fixedly installed at the front end of the rotating sleeve curved surface, the push rod is slidably sleeved with the guide plate in front of it, a baffle is fixedly installed at the front end of the push rod, and the back of the push rod is in sliding contact with the front of the guide rail in front of it.

[0009] Preferably, the voltage regulating mechanism includes an outer sleeve, which is fixedly mounted on one side of the driving member, an inner sleeve is slidably sleeved on the middle part of the inner cavity of the outer sleeve, an elastic member is fixedly mounted on the side of the inner cavity of the inner sleeve away from the driving member, and one end of the elastic member away from the inner sleeve is fixedly mounted on the side of the driving member, a resistor plate is fixedly mounted on the upper surface of the outer sleeve, and a touch resistance block is fixedly mounted on the upper surface of the inner sleeve, and the touch resistance block is in sliding contact with the resistor plate, the outer sleeve and the inner sleeve are both made of insulating material, a wire is connected to one end of the resistor plate close to the milling mechanism, and another wire is connected to one end of the touch resistance block away from the milling mechanism, and the two wires are connected in series with the power supply, the ammeter and the resistor to form a loop.

[0010] Preferably, the pushing mechanism on the right side includes a third support plate, the third support plate is fixedly mounted on the right side of the upper surface of the mounting plate, a third telescopic rod is fixedly mounted on the upper part of the left side of the third support plate, a connecting rod is fixedly mounted on the output end of the third telescopic rod, a plurality of curved rods are equidistantly slidably sleeved on the left side of the connecting rod, the contact surface between the connecting rod and the curved rod is a smooth surface, and the curved rod is fixedly connected to the inner sleeve on its left side.

[0011] Preferably, the two second telescopic rods are of the same model and are connected in series in the same loop, the contact surface between the sliding plate and the mounting plate is a smooth surface, and the upper surface of the middle plate and the inner side surfaces of the two guide plates are smooth surfaces.

[0012] The beneficial effects of the present invention are as follows: 1. The present invention starts two pushing mechanisms in a positive direction, so that the pushing mechanisms pull the milling mechanisms to move outward through the pressure regulating mechanisms fixedly connected thereto, thereby causing the left milling mechanism to move from the left edge of the differential cover to the right edge of the differential cover, and the right milling mechanism to move from the right edge of the differential cover to the left edge of the differential cover, and simultaneously starts the driving member, the output shaft of the driving member drives the milling head to rotate, and the multiple milling heads move from one side of the differential cover to the other side of the differential cover, so as to perform milling and grooving on the differential cover, and by arranging multiple milling mechanisms symmetrically on the left and right sides, and causing the multiple milling mechanisms on the left and right sides to move to the other side of the differential cover at the same time for milling and grooving, the horizontal force generated by the milling and grooving of the differential cover is gathered and offset toward the middle of the differential cover, thereby reducing the pressure when the clamping sleeves and clamping plates on both sides of the feeding mechanism support the differential cover, thereby overcoming the problems of existing unidirectional grooving equipment, the differential cover supporting clamping device, large unidirectional force and long-term high load, resulting in deformation and damage of the supporting clamping device, resulting in low milling and grooving accuracy and increased replacement cost of equipment parts.

[0013] 2. When the milling mechanism of the present invention is milling the surface of a differential cover with a complex shape, different milling heads moving synchronously mill the differential cover to different depths. At this time, the resistance encountered by the milling head with a large milling depth is greater than that of the milling head with a small milling depth. At this time, the moving speed of the milling head with large resistance and its contact pressure with the differential cover are slowed down by the pressure regulating mechanism. When the depth of the differential cover milled by the milling head with large resistance changes from deep to shallow, the pressure regulating mechanism is restored to increase the moving speed of the milling head and compensate for the part that was slowed down in the early stage, thereby avoiding excessive milling resistance of the milling head, which leads to frictional melting of the differential cover and deformation of the milling head. At the same time, the problem of low production efficiency caused by the need for multiple synchronously moving milling heads to always control the milling displacement speed with the milling head with the largest milling depth in existing actual production is overcome. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the driving mechanism of the present invention; Figure 2 It is a schematic diagram of the structure of the feeding mechanism of the present invention; Figure 3 It is a schematic diagram of the structure of the swing mechanism of the present invention; Figure 4 This is a schematic diagram of the guide rail distribution of the present invention; Figure 5 It is a schematic diagram of the structure of the milling mechanism of the present invention; Figure 6 It is a schematic diagram of the structure of the voltage regulating mechanism of the present invention.

[0015] In the figure: 1, base mechanism; 101, first support plate; 102, bottom plate; 103, top plate; 104, second support plate; 105, middle plate; 106, guide plate; 2, feeding mechanism; 201, first telescopic rod; 202, loading plate; 203, jacket; 204, clamping plate; 3, mounting plate; 301, mounting hole; 4, swing mechanism; 401, second telescopic rod; 402, connecting block; 403, sliding plate; 4 04, guide rail; 405, guide plate; 5, milling mechanism; 501, driving member; 502, milling head; 503, rotating sleeve; 504, push rod; 505, baffle; 6, voltage regulating mechanism; 601, outer sleeve; 602, inner sleeve; 603, elastic member; 604, resistor plate; 605, touch block; 7, pushing mechanism; 701, third support plate; 702, third telescopic rod; 703, connecting rod; 704, curved rod. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] like Figures 1 to 6 As shown, the embodiment of the present invention provides a differential cover processing device, including a base mechanism 1, a feeding mechanism 2 is provided in the middle of the base mechanism 1, the feeding mechanism 2 includes a first telescopic rod 201, the first telescopic rod 201 is fixedly installed in the middle of the upper surface of the bottom plate 102, a carrier plate 202 is fixedly installed at the telescopic end of the first telescopic rod 201, a jacket 203 is fixedly sleeved on the rear side of the carrier plate 202, the jacket 203 is slidably connected to the middle hole, a clamping plate 204 is fixedly installed in front of the middle hole, a mounting plate 3 is provided on the top of the base mechanism 1, and a mounting plate 3 is opened in the middle There is a mounting hole 301, and a swing mechanism 4 is provided between the upper surface of the mounting plate 3 and the mounting hole 301. The swing mechanism 4 includes two second telescopic rods 401, and the two second telescopic rods 401 are symmetrically fixedly installed on the left and right sides of the upper surface of the mounting plate 3. The two second telescopic rods 401 are of the same model and are connected in series in the same circuit, so that the two second telescopic rods 401 drive the two sliding plates 403 to move synchronously through the connecting blocks 402 fixedly connected thereto, so as to avoid uneven force on both ends of the guide rail 404 fixedly connected to the two sliding plates 403 and prevent breakage; The output ends of the two second telescopic rods 401 are fixedly installed with connecting blocks 402, and the bottom surfaces of the two connecting blocks 402 are fixed with sliding plates 403. The two sliding plates 403 are respectively slidably sleeved on the left and right sides of the mounting plate 3. The contact surfaces of the sliding plates 403 and the mounting plate 3 are smooth surfaces, thereby reducing the friction resistance between the sliding plates 403 and the mounting plate 3, and reducing the load when the telescopic end of the second telescopic rod 401 pulls the sliding plates 403 to slide through the connecting blocks 402. A plurality of guide rails 404 are equidistantly fixedly installed on the inner side surfaces of the two sliding plates 403, and guide plates 405 are fixedly installed on the upper surfaces of the guide rails 404 and the front sides of the upper surfaces of the mounting plate 3. Guide grooves are provided on the sides of the guide plates 405, and milling mechanisms 5 are staggered and slidably sleeved on the left and right sides of the two adjacent guide rails 404, and pressure regulating mechanisms 6 are provided on the right side of the left milling mechanism 5 and the left side of the right milling mechanism 5, and pushing mechanisms 7 are provided between the side of the same-side pressure regulating mechanism 6 away from the milling mechanism 5 and the upper surface of the mounting plate 3.

[0018] like Figure 1 and Figure 2As shown, the base mechanism 1 includes two first support plates 101, a bottom plate 102 is fixedly installed on the bottom of the inner side surfaces of the two first support plates 101, a top plate 103 is fixedly installed on the top of the two first support plates 101, a middle hole is opened in the middle of the top plate 103, second support plates 104 are symmetrically fixedly installed on the left and right sides of the upper surface of the top plate 103, the mounting plate 3 is fixedly installed on the top of the two second telescopic rods 401, a middle plate 105 is fixedly installed on the front side of the middle part of the inner side surface of the first support plate 101, guide plates 106 are symmetrically fixedly installed on the left and right sides of the upper surface of the middle plate 105, and the upper surface of the middle plate 105 and the inner side surfaces of the two guide plates 106 are both smooth surfaces, so as to prevent the middle plate 105 and the guide plates 106 from scratching the surface of the differential cover during the process of the differential cover sliding along the upper surface of the middle plate 105 and the inner side surfaces of the two guide plates 106 to the upper surface of the carrier plate 202, resulting in reduced sealing of the differential cover after subsequent assembly.

[0019] like Figures 3 to 6 As shown, the milling mechanism 5 includes a driving member 501, and the front and rear sides of the driving member 501 are tightly fitted with the adjacent guide rails 404, so as to prevent the driving member 501 from shaking during the movement, causing the surface of the milling head 502 to be uneven after milling, resulting in reduced strength of the heat sink after milling. The driving member 501 is slidably sleeved in the middle of the two adjacent guide rails 404, and the middle of the output shaft of the driving member 501 is slidably sleeved with the milling head 502, and the top of the milling head 502 is movably sleeved with a rotating sleeve 5 03. A push rod 504 is fixedly installed at the front end of the curved surface of the rotating sleeve 503. The push rod 504 is slidably sleeved with the guide plate 405 in front of it. A baffle 505 is fixedly installed at the front end of the push rod 504. The back of the push rod 504 is in sliding contact with the front of the guide rail 404 in front of it. By setting the baffle 505, when the push rod 504 moves along the guide groove on the side of the guide plate 405, the push rod 504 drives the rotating sleeve 503 to rotate, causing the push rod 504 to rotate out of the guide groove.

[0020] like Figures 3 to 6As shown, the voltage regulating mechanism 6 includes an outer sleeve 601, which is fixedly installed on one side of the driving member 501. The middle part of the inner cavity of the outer sleeve 601 is slidably sleeved with an inner sleeve 602. The outer sleeve 601 and the inner sleeve 602 are both made of insulating materials to prevent the resistor plate 604 and the touch block 605 from short circuiting when power is supplied. The end of the resistor plate 604 close to the milling mechanism 5 is connected to a wire, and the end of the touch block 605 away from the milling mechanism 5 is connected to another wire. The two wires are connected in series with the power supply, the ammeter and the resistor to form a loop, so that the resistor The resistance between the plate 604 and the resistance block 605 changes, the extended length of the elastic member 603 is detected, and then the contact resistance between the milling head 502 and the differential cover when the milling head 502 moves is inferred. The elastic member 603 is fixedly installed on the side of the inner cavity of the inner sleeve 602 away from the driving member 501, and the end of the elastic member 603 away from the inner sleeve 602 is fixedly installed on the side of the driving member 501. The upper surface of the outer sleeve 601 is fixedly installed with a resistance plate 604, and the upper surface of the inner sleeve 602 is fixedly installed with a resistance block 605, and the resistance block 605 is in sliding contact with the resistance plate 604.

[0021] like Figure 1 and Figure 4 As shown, the right-side pushing mechanism 7 includes a third support plate 701, which is fixedly mounted on the right side of the upper surface of the mounting plate 3, and a third telescopic rod 702 is fixedly mounted on the upper part of the left side of the third support plate 701, and a connecting rod 703 is fixedly mounted on the output end of the third telescopic rod 702, and a plurality of curved rods 704 are equidistantly slidably sleeved on the left side of the connecting rod 703, and the contact surface between the connecting rod 703 and the curved rod 704 is a smooth surface, thereby reducing the friction resistance between the connecting rod 703 and the curved rod 704, and avoiding that when the swing mechanism 4 drives the curved rod 704 to move forward and backward through the milling mechanism 5 and the pressure regulating mechanism 6, the friction resistance between the connecting rod 703 and the curved rod 704 is too large, causing the output end of the third telescopic rod 702 to bend, and the curved rod 704 is fixedly connected to its left inner sleeve 602.

[0022] Working principle: When the present invention is used, the first telescopic rod 201 is first started in the reverse direction, and the telescopic end of the first telescopic rod 201 drives the carrier plate 202 to move downward, and the carrier plate 202 drives the clamping sleeve 203 fixedly connected thereto to move downward until the upper surface of the carrier plate 202 is flush with the upper surface of the middle plate 105, and then the differential cover to be processed is pushed along the inner side surfaces of the two guide plates 106 to the upper surface of the carrier plate 202 and contacts the inner side surface of the clamping sleeve 203, and then the first telescopic rod 201 is started in the reverse direction, and the telescopic end of the first telescopic rod 201 pushes the carrier plate 202 to move upward, and the carrier plate 202 drives the differential cover and the clamping sleeve 203 to move upward, until the upper surface of the clamping sleeve 203 is flush with the upper surface of the clamping plate 204; Then, the third telescopic rod 702 is started in the positive direction, the telescopic end of the third telescopic rod 702 is contracted, and the third telescopic rod 702 pulls the inner sleeve 602 to move in the opposite direction through the connecting rod 703 and the bent rod 704. The inner sleeve 602 pulls the milling mechanism 5 to move in the opposite direction through the elastic member 603, so that the left milling mechanism 5 moves from the left edge of the differential cover to the right edge of the differential cover, and the right milling mechanism 5 moves from the right edge of the differential cover to the left edge of the differential cover. At the same time, the driving member 501 is started, and the output shaft of the driving member 501 drives the milling head 502 to rotate, and multiple milling heads 502 are thereby One side moves toward the other side of the differential cover to perform milling and grooving on the differential cover. By symmetrically arranging multiple milling mechanisms 5 on the left and right sides, and making multiple milling mechanisms 5 on the left and right sides simultaneously move toward the other side to perform milling and grooving, the horizontal force generated by milling and grooving the differential cover is gathered and offset toward the middle of the differential cover, thereby reducing the pressure when the jackets 203 and the clamping plates 204 on both sides of the feeding mechanism 2 support the differential cover, thus overcoming the existing unidirectional grooving equipment, the differential cover support clamping device, the unidirectional force is large and the long-term high load causes the support clamping device to be deformed and damaged, resulting in the problem of low milling and grooving accuracy and increased equipment parts replacement cost; In addition, when the milling mechanism 5 performs milling and grooving of the differential cover from one side of the differential cover to the other side, when the push rod 504 moves along the guide groove on the side of the guide plate 405, the push rod 504 drives the rotating milling head 502 to move upward or downward through the rotating sleeve 503 following the trajectory of the guide groove, thereby changing the milling depth of different areas in the process of the milling head 502 moving from one side of the differential cover to the other side, so that the device can be used before use, by installing the guide plates 405 with guide grooves of different shapes, and by the cooperation of multiple milling mechanisms 5, to achieve milling and grooving on the surface of the differential cover with complex shapes, so as not to damage the inner wall of the differential cover; In addition, when the milling mechanism 5 of the present invention is milling the surface of a differential cover with a complex shape, the different milling heads 502 moving synchronously mill the differential cover to different depths. At this time, the resistance encountered by the milling head 502 with a large milling depth is greater than the resistance of the milling head 502 with a small milling depth. At this time, the inner sleeve 602 on the side of the milling head 502 with large resistance pulls the elastic member 603 to extend, thereby reducing the moving speed of the milling head 502 with large resistance and the contact pressure between the milling head 502 and the differential cover. At the same time, when the depth of the differential cover milled by the milling head 502 with large resistance changes from deep to shallow, the elastic member 603 recovers, and the elastic member 603 pulls the milling head 502 to move in the direction of the inner sleeve 602 through the driving member 501, thereby increasing the moving speed of the milling head 502 and compensating for the part that was slowed down in the early stage. In addition, when the inner sleeve 602 pulls the elastic member 603 to extend, the inner sleeve 602 drives the touch resistance block 605 moves to the side away from the resistor plate 604, thereby increasing the resistance between the resistor plate 604 and the touch resistance block 605, and finally controlling the contraction speed of the third telescopic rod 702 by connecting the resistor plate 604 and the touch resistance block 605 with the largest resistance between the multiple resistor plates 604 and the touch resistance block 605, so as to avoid excessive milling resistance of the milling head 502, resulting in melting of the differential cover and deformation of the milling head 502, thereby overcoming the problem that the multiple milling heads 502 moving synchronously in the prior art are subjected to different resistances when the milling depths are different, resulting in large resistance between the milling head 502 with a large milling depth and the differential cover, resulting in a large amount of heat generated by friction between the milling head 502 and the differential cover, causing the differential cover to melt and the milling head 502 to deform, so that in actual production, it is necessary to always use the milling head 502 with the largest milling depth to control the milling displacement speed, resulting in low production efficiency; In addition, when the milling mechanism 5 of the present invention moves, the second telescopic rod 401 is started intermittently, and the telescopic end of the second telescopic rod 401 drives the connecting block 402 to move forward and backward, the connecting block 402 drives the sliding plate 403 to move forward and backward, the sliding plate 403 drives the guide rail 404 to move forward and backward, and the guide rail 404 drives the milling mechanism 5 to move forward and backward, so that when the milling head 502 mills the differential cover, a plurality of circular support columns are formed equidistantly in the middle of the heat sink after milling, thereby improving the supporting strength of the heat sink after milling, and overcoming the problem of the heat sink being bent and broken due to collision with the ground during the transportation of the device.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A differential cover processing device, comprising a base mechanism (1), characterized in that: A feeding mechanism (2) is provided in the middle of the base mechanism (1), a mounting plate (3) is provided on the top of the base mechanism (1), a mounting hole (301) is provided in the middle of the mounting plate (3), a swing mechanism (4) is provided between the upper surface of the mounting plate (3) and the mounting hole (301), the swing mechanism (4) comprising two second telescopic rods (401), the two second telescopic rods (401) are symmetrically fixedly mounted on the left and right sides of the upper surface of the mounting plate (3), the output ends of the two second telescopic rods (401) are fixedly mounted with connecting blocks (402), the bottom surfaces of the two connecting blocks (402) are fixed with sliding plates (403), and the two sliding plates (403) are respectively The guide rails (405) are fixedly mounted on the upper surfaces of the guide rails (404) and the front sides of the upper surfaces of the mounting plates (3). The guide plates (405) are provided with guide grooves on the sides of the guide plates (405). The left and right sides of the two adjacent guide rails (404) are alternately slidably sleeved with milling mechanisms (5). The right side of the left milling mechanism (5) and the left side of the right milling mechanism (5) are provided with pressure regulating mechanisms (6). A pushing mechanism (7) is provided between the side of the pressure regulating mechanism (6) on the same side away from the milling mechanism (5) and the upper surface of the mounting plate (3).

2. A differential cover processing device according to claim 1, characterized in that: The base mechanism (1) comprises two first support plates (101), a bottom plate (102) is fixedly mounted on the bottom of the inner side surfaces of the two first support plates (101), a top plate (103) is fixedly mounted on the top of the two first support plates (101), a middle hole is opened in the middle of the top plate (103), second support plates (104) are symmetrically fixedly mounted on the left and right sides of the upper surface of the top plate (103), the mounting plate (3) is fixedly mounted on the top of the two second telescopic rods (401), a middle plate (105) is fixedly mounted on the front side of the middle part of the inner side surfaces of the first support plates (101), and guide plates (106) are symmetrically fixedly mounted on the left and right sides of the upper surface of the middle plate (105).

3. A differential cover processing device according to claim 2, characterized in that: The feeding mechanism (2) comprises a first telescopic rod (201), the first telescopic rod (201) being fixedly mounted on the middle part of the upper surface of the bottom plate (102), a loading plate (202) being fixedly mounted on the telescopic end of the first telescopic rod (201), a clamping sleeve (203) being fixedly sleeved on the rear side of the loading plate (202), the clamping sleeve (203) being slidably connected to the middle hole, and a clamping plate (204) being fixedly mounted in front of the middle hole.

4. A differential cover processing device according to claim 1, characterized in that: The milling mechanism (5) comprises a driving member (501), the front and rear side surfaces of the driving member (501) are tightly fitted with adjacent guide rails (404), the driving member (501) is slidably sleeved in the middle of two adjacent guide rails (404), a milling head (502) is slidably sleeved in the middle of the output shaft of the driving member (501), a rotating sleeve (503) is movably sleeved on the top of the milling head (502), a push rod (504) is fixedly mounted on the front end of the curved surface of the rotating sleeve (503), the push rod (504) is slidably sleeved with a guide plate (405) on its front side, a baffle (505) is fixedly mounted on the front end of the push rod (504), and the rear of the push rod (504) is in sliding contact with the front of the guide rail (404) on its front side.

5. A differential cover processing device according to claim 4, characterized in that: The pressure regulating mechanism (6) comprises an outer sleeve (601), wherein the outer sleeve (601) is fixedly mounted on one side of the driving member (501), an inner sleeve (602) is slidably sleeved in the middle of the inner cavity of the outer sleeve (601), an elastic member (603) is fixedly mounted on the side of the inner cavity of the inner sleeve (602) away from the driving member (501), an end of the elastic member (603) away from the inner sleeve (602) is fixedly mounted on the side of the driving member (501), and a spring (603) is fixedly mounted on the upper surface of the outer sleeve (601). A resistance plate (604) is provided, a touch resistance block (605) is fixedly mounted on the upper surface of the inner sleeve (602), the touch resistance block (605) is in sliding contact with the resistance plate (604), the outer sleeve (601) and the inner sleeve (602) are both made of insulating material, one end of the resistance plate (604) close to the milling mechanism (5) is connected to a wire, and one end of the touch resistance block (605) away from the milling mechanism (5) is connected to another wire, and the two wires are connected in series with a power supply, an ammeter and a resistor to form a circuit.

6. A differential cover processing device according to claim 5, characterized in that: The pushing mechanism (7) on the right side comprises a third support plate (701), the third support plate (701) being fixedly mounted on the right side of the upper surface of the mounting plate (3), a third telescopic rod (702) being fixedly mounted on the upper portion of the left side of the third support plate (701), a connecting rod (703) being fixedly mounted on the output end of the third telescopic rod (702), a plurality of curved rods (704) being equidistantly slidably sleeved on the left side of the connecting rod (703), the contact surface between the connecting rod (703) and the curved rod (704) being a smooth surface, and the curved rod (704) being fixedly connected to the inner sleeve (602) on the left side thereof.

7. The differential cover processing device according to claim 2, characterized in that: The two second telescopic rods (401) are of the same model and are connected in series in the same loop. The contact surface between the sliding plate (403) and the mounting plate (3) is a smooth surface. The upper surface of the middle plate (105) and the inner side surfaces of the two guide plates (106) are smooth surfaces.

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