Machining machine tool for crankshaft production

Abstract

The invention relates to the field of machine tools, in particular to a processing machine tool for crankshaft production, which comprises a machine tool body, a sliding door, a grinding wheel, a milling cutter, a guide rail, a moving block and a mounting seat, the machine tool body is slidably connected with a sliding door. The machine tool body is connected with a grinding wheel; the machine tool body is connected with milling cutters; the machine tool body is fixedly connected with guide rails; the guide rails are slidably connected with moving blocks; the moving block is fixedly connected with two mounting seats; the device further comprises a rail cover I, a rail cover II and the like. The machine tool body is connected with a plurality of rail covers I in a sliding mode, the machine tool body is connected with a plurality of rail covers II in a sliding mode, and the rail covers I at the two ends are fixedly connected with the machine tool body. Oil liquid is conveyed into the cylindrical groove through the hollow pipe, then the oil liquid extrudes the friction rods, the two friction rods are far away from each other, the springs are stretched, the friction rods slide in the connecting pipe till the friction rods tightly abut against the side wall of the sliding groove, and at the moment, all the rail cover I and the rail cover II are connected into a whole through the friction rods and cannot continue to slide relative to each other; and the purpose of quick braking is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of machine tools, in particular to a machining tool for crankshaft production. BACKGROUND

[0002] As an important component in the automobile power system, the crankshaft requires sufficient strength and rigidity. After the crankshaft is cast, it needs to be further machined using a machine tool. A double-spindle turning and milling combined machine tool is disclosed in Chinese Patent No. CN117324956A. When the movable spindle needs to be stopped, the first electromagnet is energized to generate a repulsive force on the first magnetic block, causing the horizontal plate to move downward. The rotating rod pushes each friction rod toward the friction surface on the slide rail, generating a large friction force between the end of the friction rod and the surface of the friction surface. Then, under the action of the friction force, a braking force is generated on the movable spindle, causing the movable spindle to instantaneously stop moving and improving the moving precision of the movable spindle.

[0003] However, the slide rail of the machine tool usually has lubricating oil. In the presence of lubricating oil on the slide rail, the above-mentioned prior art cannot achieve effective braking through the slide rail. SUMMARY

[0004] In order to overcome the shortcomings of the above-mentioned prior art that cannot achieve effective braking through the slide rail in the presence of lubricating oil on the slide rail, the present application provides a machining tool for crankshaft production.

[0005] The technical solution of the present application is as follows: a machining tool for crankshaft production, comprising a machine tool body, a sliding door, a grinding wheel, a milling cutter, a guide rail, a moving block, and a mounting seat; the machine tool body is slidingly connected with the sliding door; the machine tool body is connected with the grinding wheel; the machine tool body is connected with the milling cutter; the machine tool body is fixedly connected with the guide rail; the guide rail is slidingly connected with the moving block; the moving block is fixedly connected with two mounting seats; further comprising rail covers I, rail covers II, connecting pipes, friction rods, springs, and hollow pipes; the machine tool body is slidingly connected with a plurality of rail covers I, the machine tool body is slidingly connected with a plurality of rail covers II, and the two end rail covers I are fixedly connected with the machine tool body; one rail cover I and one rail cover II adjacent to each other form a group; each rail cover II is fixedly connected with one connecting pipe; each connecting pipe is provided with one cylindrical groove; each connecting pipe is slidingly connected with two friction rods; the two friction rods located on the same connecting pipe are jointly fixedly connected with a spring; each connecting pipe is connected with one hollow pipe, and the hollow pipe is in communication with the cylindrical groove.

[0006] Further, the side wall on the side of the sliding groove away from the friction rod is roughened.

[0007] Further, damping blocks are provided between the rail cover I, the rail cover II, and the machine tool body.

[0008] Further, the sliding block, the elastic cloth, the one-way valve, the detection cover and the jet pipe are further included; each rail cover I is provided with a plurality of sliding grooves; each rail cover I is connected with a plurality of sliding blocks, and the sliding blocks slide in the corresponding sliding grooves; each sliding groove is fixedly connected with an elastic cloth, and the elastic cloth is fixedly connected with the corresponding sliding block; each rail cover I is fixedly connected with a plurality of one-way valves, and the one-way valves are communicated with the corresponding sliding grooves; each rail cover I is provided with a plurality of round holes; each rail cover I is fixedly connected with a detection cover, and the detection cover is provided in a hollow mode, and the detection cover is communicated with the sliding groove through the round hole; each detection cover is fixedly connected with a jet pipe, and the jet pipe is provided with a one-way channel and a whistle mechanism.

[0009] Further, the jet pipe is provided in an inclined mode.

[0010] Further, the oil storage hopper is further included; each rail cover II is fixedly connected with an oil storage hopper, and the oil storage hopper is in contact with the lower side of the corresponding rail cover I, and the oil storage hopper is communicated with the hollow pipe.

[0011] Further, the collection cover is further included; each connecting pipe is connected with a collection cover, and the collection cover is fixedly connected with the rail cover I, and the collection cover is provided in a wave shape and is made of an elastic material.

[0012] Further, the collection cover is provided in an inclined mode.

[0013] Further, the sawtooth plate is further included; each rail cover I is rotatably connected with a sawtooth plate, and the sawtooth plate is in contact with the corresponding rail cover II; each rail cover II is rotatably connected with another sawtooth plate.

[0014] Further, the pressing rod is further included; the connecting pipe and the collection cover are detachably connected; each rail cover I is slidably connected with a pressing rod, and the pressing rod is in contact with the friction rod.

[0015] The present application has the following advantages: when the moving block, the mounting seat and the crankshaft body need to reach the target position, the external oil pump is controlled to start, the oil is transported into the cylindrical groove through the hollow pipe, and then the oil extrudes the friction rod, so that the two friction rods are away from each other, the spring is stretched, and the friction rod slides in the connecting pipe and tightly abuts against the side wall of the sliding groove, at this time, all the rail covers I and the rail covers II are connected into a whole through the friction rod and cannot continue to slide relatively, so that the purpose of rapid braking is achieved, and the problem that the position of the crankshaft body has a large error due to the lubricating oil on the guide rail is avoided.

[0016] The gas ejected from the jet pipe is ejected from the gap between rail cover I and rail cover II. Since the jet pipe has a built-in whistle mechanism, a sound is produced when the gas is ejected from the jet pipe. If the gap between rail cover I and rail cover II increases, the sound produced when the gas is ejected from the jet pipe changes, and it is artificially known that excessive wear of rail cover I and rail cover II has led to reduced sealing. At the same time, the gas ejected from the jet pipe can also blow away impurities between rail cover I and rail cover II.

[0017] When it is necessary to observe the wear and lubrication of the guide rail, manually press the two pressing rods to move the two pressing rods toward each other, and then the pressing rods squeeze the corresponding friction rods to move toward the middle of the connecting tube. The spring is compressed until the friction rods are separated from the rail cover I and the slider. At this time, the rail cover II and the parts on it can be manually pulled out to separate the rail cover II from the rail cover I, and then the collecting cover is removed from the connecting tube until the rail cover II and the rail cover I are separated. At this time, the manual can observe the wear and lubrication of the guide rail through the gap between the rail cover II and the rail cover I, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a crankshaft production machine tool disclosed in the present invention; Figure 2 A schematic diagram of the internal structure of a crankshaft production machine tool disclosed in the present invention; Figure 3 This is a schematic diagram of the combined structure of the guide rail, moving block, and rail cover I disclosed in the crankshaft production processing machine tool of the present invention; Figure 4 A schematic diagram of the combined partial structure of the rail cover I and rail cover II disclosed in the crankshaft production processing machine tool of the present invention; Figure 5 A schematic diagram of the combined partial structure of the connecting pipe, friction rod, spring, and hollow pipe disclosed in the crankshaft production processing machine tool of the present invention; Figure 6 This is a schematic diagram of the combined partial structure of the elastic cloth, one-way valve, detection cover, and air injection pipe disclosed in the crankshaft production processing machine tool of the present invention; Figure 7 This is a schematic diagram of the combined partial structure of the detection cover, air injection pipe, oil storage hopper, and collection cover disclosed in the crankshaft production processing machine tool of the present invention; Figure 8 This is a schematic diagram of the combined partial structure of the serrated plate and the pressing rod disclosed in the crankshaft production processing machine tool of the present invention.

[0019] Mark No. : 1-machine tool body, 2-sliding door, 3-grinding wheel, 4-milling cutter, 5-guide rail, 6-moving block, 7-mounting seat, 8-crankshaft body, 101-rail cover I, 102-rail cover II, 103-connecting pipe, 104-friction rod, 105-spring, 106-hollow pipe, 201-sliding block, 202-elastic cloth, 203-check valve, 204-detection cover, 205-jet pipe, 206-oil storage hopper, 207-collection cover, 301-sawtooth plate, 302-pressing rod, 1001-slotted, 1002-round hole, 1031-cylindrical groove. DETAILED DESCRIPTION

[0020] The application will be further described below in connection with the drawings and examples.

[0021] Example 1, a crankshaft production machining tool, as shown in Figures 1-8 It comprises a machine tool body 1, a sliding door 2, a grinding wheel 3, a milling cutter 4, a guide rail 5, a moving block 6 and a mounting seat 7; the machine tool body 1 is slidably connected with the sliding door 2; the machine tool body 1 is connected with the grinding wheel 3; the machine tool body 1 is connected with the milling cutter 4; the machine tool body 1 is bolted with the guide rail 5; the guide rail 5 is slidably connected with the moving block 6; the moving block 6 is fixedly connected with two mounting seats 7; It further comprises a rail cover I 101, a rail cover II 102, a connecting pipe 103, a friction rod 104, a spring 105 and a hollow pipe 106; the machine tool body 1 is slidably connected with a plurality of rail cover I 101, the machine tool body 1 is slidably connected with a plurality of rail cover II 102, and the two end rail cover I 101 is fixedly connected with the machine tool body 1; an adjacent rail cover I 101 and a rail cover II 102 form a group; each rail cover II 102 is fixedly connected with a connecting pipe 103; each connecting pipe 103 is provided with a cylindrical groove 1031; each connecting pipe 103 is slidably connected with two friction rods 104; the two friction rods 104 located on the same connecting pipe 103 are commonly fixedly connected with a spring 105; each connecting pipe 103 is communicated with a hollow pipe 106, and the hollow pipe 106 is communicated with the cylindrical groove 1031.

[0022] The side wall of the slotted 1001 away from the friction rod 104 side is roughened, which increases the friction between the slotted 1001 and the friction rod 104 and improves the braking performance.

[0023] The rail cover I 101 and the rail cover II 102 are provided with damping blocks between the machine tool body 1.

[0024] A set of telescopic covers consists of a rail cover I 101 and a rail cover II 102. There are several such combinations in the telescopic covers of the machine tool. The adjacent ones slide against each other to realize the telescopic function. When in use, the external oil pump is connected to the hollow tube 106 through a hose. Then, the sliding door 2 is manually pushed open, and the crankshaft body 8 to be processed is clamped and fixed on the two mounting seats 7, and then the sliding door 2 is closed. When machining the crankshaft body 8, the milling cutter 4 is first controlled to mill the crankshaft body 8, and then the grinding wheel 3 is controlled to grind the crankshaft body 8. During the machining process, the guide rail 5 is controlled to make the moving block 6 drive the mounting seat 7 and the crankshaft body 8 to move horizontally, and the mounting seat 7 drives the crankshaft body 8 to rotate. When it is necessary to control the moving block 6, the mounting seat 7 and the crankshaft body 8 to reach the target position, the external oil pump is controlled to start, and the oil is transported to the cylindrical groove 1031 through the hollow tube 106, and then the oil squeezes the friction rod 104, so that the two friction rods 104 move away from each other, the spring 105 is stretched, and the friction rod 104 slides in the connecting tube 103 until it is tightly against the side wall of the slide groove 1001. At this time, all the rail covers I 101 and II 102 are connected into a whole through the friction rod 104 and cannot continue to slide relative to each other, thereby achieving the purpose of rapid braking, avoiding the problem of insufficient braking effect due to the presence of lubricating oil on the guide rail 5, which makes the position of the crankshaft body 8 have a large error.

[0025] Since the crankshaft body 8 will generate mechanical vibration during machining, the vibration is transmitted to the rail cover I101 and the rail cover II102 through the machine tool body 1, affecting the sliding accuracy between the rail cover I101 and the rail cover II102, and reducing the sealing performance of the rail cover I101 and the rail cover II102. Therefore, the shock-absorbing block is used to reduce the impact of the mechanical vibration generated during the machining process on the rail cover I101 and the rail cover II102.

[0026] Example 2, based on Example 1, Figures 4-8 As shown, it also includes a slider 201, an elastic cloth 202, a one-way valve 203, a detection cover 204 and an air injection pipe 205; each rail cover I 101 is provided with two slide grooves 1001; each rail cover I 101 is connected to a plurality of sliders 201, and the sliders 201 slide in the corresponding slide grooves 1001; each slide groove 1001 is fixed with an elastic cloth 202, and the elastic cloth 202 is fixed with the corresponding slider 201; each rail cover I 101 is fixed with a plurality of single A one-way valve 203 is formed, and the one-way valve 203 is connected to the corresponding chute 1001; each rail cover I 101 is provided with a plurality of circular holes 1002; each rail cover I 101 is fixedly connected with a detection cover 204, and the detection cover 204 is hollow, and the detection cover 204 is connected with the chute 1001 through the circular hole 1002; each detection cover 204 is fixedly connected with an air jet pipe 205, and a one-way channel is provided in the air jet pipe 205, and a whistle mechanism is provided in the air jet pipe 205.

[0027] The jet pipe 205 is arranged obliquely to guide the gas, so that the gas from the jet pipe 205 blows the impurities such as metal scraps attached to the rail cover II 102 to the side away from the rail cover II 102, thereby improving the impurity removal efficiency.

[0028] The oil storage hopper 206 is further included; each rail cover II 102 is fixedly connected with an oil storage hopper 206, the oil storage hopper 206 is in contact with the lower side of the corresponding rail cover I 101, and the oil storage hopper 206 is in communication with the hollow pipe 106.

[0029] The collecting cover 207 is further included; each connecting pipe 103 is connected with a collecting cover 207, the collecting cover 207 is fixedly connected with the rail cover I 101, the collecting cover 207 is arranged in a wave shape, and the collecting cover 207 is made of elastic material.

[0030] The collecting cover 207 is arranged obliquely, so that the oil stains and scraps falling onto the collecting cover 207 flow to the oblique side under the action of their own gravity, thereby reducing the burden of the collecting cover 207.

[0031] The existing machine tool telescopic protective cover is usually set to a relatively sealed state to ensure isolation of external dust and impurities. However, after long-term use in a vibrating and high-impurity machining environment, the sealing performance will decrease, and the sealing performance of the telescopic protective cover cannot be detected in real time. Therefore, when the rail cover I 101 and the rail cover II 102 move relatively, the rail cover II 102 drives the friction rod 104 and the sliding block 201 to slide in the sliding groove 1001, and the elastic cloth 202 forms a sealed space between the sliding groove 1001, the circular hole 1002 and the detection cover 204. Therefore, when the sliding block 201 slides in the sliding groove 1001 away from the detection cover 204, external air is sucked into the sealed space formed by the sliding groove 1001, the circular hole 1002 and the detection cover 204 through the one-way valve 203. At this time, since the one-way channel is arranged in the air jet pipe 205, external air cannot be sucked into the air jet pipe 205, preventing impurities attached to the rail cover II 102 from being sucked in. When the sliding block 201 slides in the sliding groove 1001 towards the detection cover 204, the air in the sealed space formed by the sliding groove 1001, the circular hole 1002 and the detection cover 204 is sprayed out of the air jet pipe 205. It should be noted that the rail cover I 101 and the rail cover II 102 need to slide relatively, so they are not completely sealed, and there is a gap between them. The gas sprayed out of the air jet pipe 205 is sprayed out of the gap between the rail cover I 101 and the rail cover II 102. Since the air jet pipe 205 is provided with a whistle mechanism, the gas sprayed out of the air jet pipe 205 produces a sound. If the gap between the rail cover I 101 and the rail cover II 102 increases, the sound produced when the gas is sprayed out of the air jet pipe 205 will change, and the artificial can know that the rail cover I 101 and the rail cover II 102 have been excessively worn, resulting in a decrease in sealing performance. At the same time, the gas sprayed out of the air jet pipe 205 can also blow away the impurities between the rail cover I 101 and the rail cover II 102.

[0032] The oil pump delivers oil through the hollow pipe 106 into the cylindrical groove 1031, and also delivers part of the oil into the oil storage bucket 206, so that the oil in the oil storage bucket 206 is in contact with the rail cover I 101 at all times, thereby keeping the rail cover I 101 and the rail cover II 102 in an oil lubricated state at all times, reducing wear between the rail cover I 101 and the rail cover II 102, and improving service life.

[0033] During the telescopic process of the reciprocating sliding of the rail cover I 101 and the rail cover II 102, fine debris and oil stains mixed between the rail cover I 101 and the rail cover II 102 will fall down onto the guide rail 5, causing pollution to the guide rail 5. Therefore, the sliding area of the rail cover II 102 is covered by the collection cover 207, and the collection cover 207 is squeezed or compressed when the rail cover II 102 slides, causing adaptive deformation of the collection cover 207, thereby collecting the fine debris and oil stains that fall down.

[0034] Embodiment 3, on the basis of embodiment 2, as Figure 6 and Figure 8 Further comprising sawtooth plates 301; each rail cover I 101 is rotationally connected with a sawtooth plate 301, and the sawtooth plate 301 is in contact with the corresponding rail cover II 102; each rail cover II 102 is rotationally connected with another sawtooth plate 301.

[0035] Further comprising pressing rods 302; the connecting pipe 103 is detachably connected with the collecting cover 207; each rail cover I 101 is slidingly connected with a pressing rod 302, and the pressing rod 302 is in contact with the friction rod 104.

[0036] When welding a workpiece, the splashed welding drops fall onto the rail cover II 102, and the welding drops affect the sliding between the rail cover II 102 and the rail cover I 101 after solidification. Therefore, when the rail cover II 102 and the rail cover I 101 slide relative to each other, the rail cover II 102 and the sawtooth plate 301 move relative to each other, and then the sawtooth plate 301 scrapes off the adhered welding drops on the rail cover II 102, ensuring the normal sliding between the rail cover II 102 and the rail cover I 101.

[0037] When it is necessary to observe the wear and lubrication of the guide rail 5, the prior art needs to detach each set of rail cover II 102 and rail cover I 101 to observe the wear and lubrication of the guide rail 5, which is low in efficiency. Therefore, when it is necessary to observe the wear and lubrication of the guide rail 5, the two pressing rods 302 are pressed manually to move towards each other, and then the pressing rod 302 extrudes the corresponding friction rod 104 to move to the middle of the connecting pipe 103, and the spring 105 is compressed until the friction rod 104 is separated from the rail cover I 101 and the sliding block 201. At this time, the rail cover II 102 and the parts thereon can be pulled out manually to separate the rail cover II 102 from the rail cover I 101, and then the collecting cover 207 is detached from the connecting pipe 103 until the rail cover II 102 and the rail cover I 101 are separated. At this time, the wear and lubrication of the guide rail 5 can be observed through the gap between the rail cover II 102 and the rail cover I 101, which is convenient and fast.

[0038] The embodiments of the application are described in detail above with reference to the accompanying drawings, but the application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application.

Claims

1. A processing machine tool for crankshaft production, comprising a machine body (1), a sliding door (2), a grinding wheel (3), a milling cutter (4), a guide rail (5), a moving block (6) and a mounting seat (7); the machine body (1) is slidably connected to the sliding door (2); the machine body (1) is connected to the grinding wheel (3); the machine body (1) is connected to the milling cutter (4); the machine body (1) is fixedly connected to the guide rail (5); the guide rail (5) is slidably connected to the moving block (6); the moving block (6) is fixedly connected to two mounting seats (7); the characteristics are: The machine tool body (1) further comprises a rail cover I (101), a rail cover II (102), a connecting pipe (103), a friction rod (104), a spring (105) and a hollow pipe (106); the machine tool body (1) is slidably connected to a plurality of rail covers I (101), the machine tool body (1) is slidably connected to a plurality of rail covers II (102), and the rail covers I (101) at the two ends are fixedly connected to the machine tool body (1); an adjacent rail cover I (101) and a rail cover II (102) form a group; each rail cover Ⅱ (102) is fixedly connected to a connecting tube (103); each connecting tube (103) is provided with a cylindrical groove (1031); each connecting tube (103) is slidably connected to two friction rods (104); the two friction rods (104) located on the same connecting tube (103) are fixedly connected to a spring (105); each connecting tube (103) is connected to a hollow tube (106), and the hollow tube (106) is connected to the cylindrical groove (1031).

2. The crankshaft production machine tool according to claim 1, characterized in that: The side wall of the chute (1001) away from the friction rod (104) is rough.

3. The crankshaft production machine tool according to claim 2, characterized in that: A shock-absorbing block is provided between the rail cover I (101), the rail cover II (102) and the machine tool body (1).

4. The crankshaft production machine tool according to claim 3, characterized in that: The invention also includes a slider (201), an elastic cloth (202), a one-way valve (203), a detection cover (204) and an air injection pipe (205); each rail cover I (101) is provided with a plurality of slide grooves (1001); each rail cover I (101) is connected to a plurality of sliders (201), and the sliders (201) slide in the corresponding slide grooves (1001); each slide groove (1001) is fixedly connected to an elastic cloth (202), and the elastic cloth (202) is fixedly connected to the corresponding slider (201); each rail cover I (101) is fixedly connected to a plurality of single A one-way valve (203) is provided, and the one-way valve (203) is communicated with the corresponding chute (1001); each rail cover I (101) is provided with a plurality of circular holes (1002); each rail cover I (101) is fixedly connected to a detection cover (204), and the detection cover (204) is hollow, and the detection cover (204) is communicated with the chute (1001) through the circular hole (1002); each detection cover (204) is fixedly connected to an air jet pipe (205), and a one-way channel is provided in the air jet pipe (205), and a whistle mechanism is provided in the air jet pipe (205).

5. The crankshaft production machine tool according to claim 4, characterized in that: The air jet (205) is arranged at an angle.

6. The crankshaft production machine tool according to claim 5, characterized in that: It also includes an oil storage hopper (206); each rail cover II (102) is fixedly connected to an oil storage hopper (206), and the oil storage hopper (206) is in contact with the lower side of the corresponding rail cover I (101), and the oil storage hopper (206) is communicated with the hollow tube (106).

7. The crankshaft production machine tool according to claim 6, characterized in that: It also includes a collecting cover (207); each connecting pipe (103) is connected to a collecting cover (207), and the collecting cover (207) is fixed to the rail cover I (101), and the collecting cover (207) is arranged in a wave shape, and the collecting cover (207) is made of elastic material.

8. The crankshaft production machine tool according to claim 7, characterized in that: The collecting cover (207) is arranged at an inclination.

9. The crankshaft production machine tool according to claim 8, characterized in that: It also includes a sawtooth plate (301); each rail cover I (101) is rotatably connected to a sawtooth plate (301), and the sawtooth plate (301) contacts the corresponding rail cover II (102); each rail cover II (102) is rotatably connected to another sawtooth plate (301).

10. The crankshaft production machine tool according to claim 9, characterized in that: It also includes a pressing rod (302); the connecting pipe (103) is detachably connected to the collecting cover (207); each rail cover I (101) is slidably connected to a pressing rod (302), and the pressing rod (302) is in contact with the friction rod (104).

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