Machine tool for machining oil groove in inner hole of shaft sleeve

Abstract

The utility model relates to the technical field of shaft sleeve machining equipment, in particular to a shaft sleeve inner hole oil groove machining tool which comprises a tool body, a spindle box and a feeding box, and the spindle box and the feeding box are both installed on the top of the tool body. The dustproof device is mounted on the surface of the lathe bed, and the dustproof device is arranged between the spindle box and the feeding box; after the spring telescopic pipe is attached to the round chuck, the round chuck, the spring telescopic pipe and the net plate jointly form a telescopic and breathable blocking space, even if chippings generated by cutting splash, the round chuck, the spring telescopic pipe and the net plate can block the chippings and limit the chippings in the blocking space, the chippings do not need to be worried about splashing outwards, and therefore the chippings are prevented from splashing. And therefore, the subsequent maintenance burden of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft sleeve processing equipment, in particular to a shaft sleeve inner hole oil groove processing machine tool. Background Art

[0002] A lathe is a machine tool that mainly uses a turning tool to perform turning processing on a rotating workpiece. A lathe is a common equipment for processing oil grooves in the inner holes of bushings.

[0003] At present, a Chinese patent discloses a machine tool for processing the oil groove in the inner hole of a sleeve (publication number CN219703523U), which uses a protective frame and an adjustment frame to prevent debris from dripping onto the top of the machine tool during sleeve processing, and under the influence of the exhaust fan, the debris will enter the collection frame, avoiding the accumulation of debris to affect the device and saving labor costs.

[0004] Since a sufficiently large hole needs to be reserved on the side of the adjustment frame facing the turning tool to facilitate processing of different positions by the turning tool, the above-mentioned device does not block the retention space between the adjustment frame and the turning tool, and since the lathe rotation speed is usually fast, even through negative pressure suction, some debris with large kinetic energy can still easily splash from the retention space between the adjustment frame and the turning tool to the outside, and still needs to be cleaned.

[0005] Therefore, a shaft sleeve inner hole oil groove machining machine tool is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a machine tool for machining the oil groove in the inner hole of a sleeve in order to solve the above-mentioned problem, thereby improving the problem that the existing lathes with protection function have poor protection effect and some debris with large kinetic energy still splash to the outside.

[0007] The utility model achieves the above-mentioned purpose through the following technical scheme. A machine tool for processing oil grooves in inner holes of sleeves comprises: a bed, a spindle box and a feed box, wherein the spindle box and the feed box are both installed on the top of the bed; a dustproof device, wherein the dustproof device is installed on the surface of the bed, and the dustproof device is arranged between the spindle box and the feed box.

[0008] Preferably, the dust-proof device includes a slide rail and a mesh plate, the slide rail is fixedly connected to the top of the bed, the surface of the slide rail is fixedly connected with a spring expansion tube arranged between the spindle box and the feed box, the surface of the spring expansion tube is fixedly connected and connected with a rubber bellows, the bottom of the rubber bellows is fixedly connected and connected with a metal filter, the bottom of the metal filter is fixedly connected and connected with a negative pressure pump fixedly connected to the bed, the mesh plate is fixedly connected to the surface of the feed box, one end of the mesh plate is in contact with the spring expansion tube, when the spring expansion tube is fitted with the circular chuck, the circular chuck, the spring expansion tube and the mesh plate together form a retractable and breathable blocking space, even if there is splashing of cut chips, the circular chuck, the spring expansion tube and the mesh plate can all block it, and the chips are confined in the blocking space. There is no need to worry about the chips splashing outward, thereby reducing the burden of subsequent maintenance on the staff.

[0009] Preferably, the mesh plate is shaped like a ring frame, the diameter ratio of the mesh plate to the spring telescopic tube is three to one, the center point of the connection between the mesh plate and the feed box coincides with the axis of the mesh plate, and the design of a mesh plate and spring telescopic tube diameter ratio of three to one enables the mesh plate to block the opening of the spring telescopic tube toward the feed box without affecting the normal airflow, no matter where the cutting tool runs inside the spring telescopic tube, thereby further improving the blocking effect on debris.

[0010] Preferably, one end of the spring telescopic tube is fixedly connected to a sealing gasket, and one end of the sealing gasket is in contact with the mesh plate, which can block the gap between the spring telescopic tube and the mesh plate, and further prevent debris from splashing to the outside.

[0011] Preferably, one end of the spring telescopic tube is rotatably connected to a ball bearing, and one end of the mesh plate contacts the ball bearing. The ball bearing can limit the degree of compression of the sealing gasket to reduce the friction force during the movement of the mesh plate relative to the spring telescopic tube.

[0012] Preferably, the number of the balls is not less than ten, and the balls are distributed in a ring shape around the axis of the spring telescopic tube at one end of the spring telescopic tube, which enables the spring telescopic tube and the mesh plate to fit together flatly through the balls, avoiding the possibility of the spring telescopic tube or the mesh plate tilting.

[0013] Preferably, the ball is arranged on the outside of the sealing gasket, and the inner diameter of the sealing gasket matches the inner diameter of the spring expansion tube, which can prevent the ball from contacting with debris and reduce the resistance during the movement of the ball.

[0014] Preferably, the center point of the ball is arranged inside the spring telescopic tube, and the opening at the connection between the spring telescopic tube and the ball is smaller than the diameter of the ball, which can ensure that the ball is always confined on the inner side of the spring telescopic tube, avoiding the situation that the ball falls and is lost.

[0015] Preferably, the other end of the mesh plate is fixedly connected to a mounting tube which is slidably connected to the feed box, and the surface of the mounting tube is plugged with a locking bolt which is threadedly connected to the feed box, which can facilitate the staff to disassemble and assemble the mesh plate to meet different processing requirements.

[0016] The beneficial effects of the utility model are:

[0017] 1. When the spring telescopic tube is fitted with the circular chuck, the circular chuck, the spring telescopic tube and the mesh plate together form a retractable and breathable blocking space. Even if there are splashes of cut chips, the circular chuck, the spring telescopic tube and the mesh plate can block the chips and confine them in the blocking space. There is no need to worry about the chips splashing outward, thereby reducing the burden of subsequent maintenance on the staff;

[0018] 2. The design of the ratio of the diameter of the mesh plate to the spring telescopic tube is three to one. This enables the mesh plate to block the opening of the spring telescopic tube toward the feed box without affecting the normal airflow, no matter where the cutting tool runs inside the spring telescopic tube, further improving the blocking effect of debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the dustproof device in the utility model;

[0021] Figure 3 It is a structural schematic diagram of a partial cutout of the dustproof device in the utility model;

[0022] Figure 4 It is a cross-sectional schematic diagram of a partial structure of the dustproof device in the utility model;

[0023] Figure 5 for Figure 4 A is an enlarged view of the middle image.

[0024] In the figure: 1. bed; 2. spindle box; 3. feed box; 4. dustproof device; 401. slide rail; 402. spring telescopic tube; 403. rubber bellows; 404. metal filter; 405. negative pressure pump; 406. mesh plate; 407. sealing gasket; 408. ball bearing; 409. mounting tube; 410. locking bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] When implementing: Figure 1-5 As shown, a shaft sleeve inner hole oil groove processing machine tool comprises: a bed 1, a spindle box 2 and a feed box 3, the spindle box 2 and the feed box 3 are both installed on the top of the bed 1; a dustproof device 4, the dustproof device 4 is installed on the surface of the bed 1, and the dustproof device 4 is arranged between the spindle box 2 and the feed box 3;

[0027] The end of the spindle box 2 is fixedly connected to a circular chuck by bolts, and the surface of the feed box 3 is fixedly connected to a tool holder, and a cutting tool is clamped on the surface of the tool holder. The mesh plate 406 and the mounting tube 409 are both sleeved on the surface of the tool holder, and the locking bolt 410 is threadedly connected to the tool holder. The cutting tool is arranged on the inner side of the mesh plate 406. When the staff needs to process the inner hole oil groove of the sleeve, the staff first installs the sleeve into the circular chuck, and then manually opens the spindle box 2 and the feed box 3 at the same time. The spindle box 2 drives the sleeve to rotate through the circular chuck according to the preset program, and the feed box 3 drives the cutting tool to move to the specified position through the tool holder according to the preset program, so that the cutting tool cuts the preset inner hole oil groove processing position of the sleeve in the rotating state.

[0028] It should be noted that, in the above description, the bed 1, spindle box 2, feed box 3, slide rail 401, rubber bellows 403, metal filter 404, negative pressure pump 405, circular chuck, tool holder and cutting tool are all devices with relatively mature application of existing technology, and the specific model can be selected according to actual needs. At the same time, the spindle box 2, feed box 3 and negative pressure pump 405 can be powered by a built-in power supply or by AC power. The specific power supply method is selected according to the situation and will not be elaborated here.

[0029] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the dustproof device 4 includes a slide rail 401 and a mesh plate 406, the slide rail 401 is fixedly connected to the top of the bed 1, the surface of the slide rail 401 is fixedly connected to a spring telescopic tube 402 arranged between the spindle box 2 and the feed box 3, the surface of the spring telescopic tube 402 is fixedly connected and connected to a rubber bellows 403, the bottom of the rubber bellows 403 is fixedly connected and connected to a metal filter 404, the bottom of the metal filter 404 is fixedly connected and connected to a negative pressure pump 405 fixedly connected to the bed 1, and the mesh plate 406 is fixedly connected to the feed box 3, one end of the mesh plate 406 contacts the spring telescopic tube 402, the spring telescopic tube 402 includes an outer tube and an inner tube, the rubber bellows 403 is fixedly connected and communicated with the bottom of the outer tube, the sealing gasket 407 is fixedly connected to one end of the outer tube, the ball 408 is rotatably connected to one end of the outer tube, the inner tube is slidably connected to the inner side of the outer tube, a positioning ring is fixedly connected to the surface of the inner tube, a spring is arranged between the positioning ring and the outer tube, the spring is sleeved on the surface of the inner tube, and the inner tube is rotatably connected to a rotating ring at one end of the inner tube facing the circular chuck, and the inner diameter of the rotating ring is larger than the inner diameter of the shaft sleeve. The mesh plate 406 is in the shape of a ring frame, and the diameter ratio of the mesh plate 406 to the spring telescopic tube 402 is three to one. The center point of the connection between the mesh plate 406 and the feed box 3 coincides with the axis of the mesh plate 406; a sealing gasket 407 is fixedly connected to one end of the spring telescopic tube 402, and one end of the sealing gasket 407 is in contact with the mesh plate 406; a ball 408 is rotatably connected to one end of the spring telescopic tube 402, and one end of the mesh plate 406 is in contact with the ball 408; the number of the ball 408 is not less than ten, and the ball 408 is arranged around the axis of the spring telescopic tube 402 The center line is distributed in a ring shape at one end of the spring telescopic tube 402; the ball 408 is arranged on the outside of the sealing gasket 407, and the inner diameter of the sealing gasket 407 matches the inner diameter of the spring telescopic tube 402; the center point of the ball 408 is arranged inside the spring telescopic tube 402, and the opening at the connection between the spring telescopic tube 402 and the ball 408 is smaller than the diameter of the ball 408; the other end of the mesh plate 406 is fixedly connected to the mounting tube 409 which is slidably connected to the feed box 3, and the surface of the mounting tube 409 is plugged with a locking bolt 410 which is threadedly connected to the feed box 3.

[0030] When the utility model is in use, in the process that the tool holder drives the mesh plate 406 to approach the shaft sleeve, the mesh plate 406 contacts with the spring telescopic tube 402 in advance, and the spring telescopic tube 402 drives it to gradually approach the circular chuck. When the spring telescopic tube 402 is fitted with the circular chuck, the circular chuck, the spring telescopic tube 402 and the mesh plate 406 together form a retractable and breathable blocking space. Even if there are cut chips splashing, the circular chuck, the spring telescopic tube 402 and the mesh plate 406 can all block the chips and confine the chips in the blocking space. There is no need to worry about the chips splashing outward, thereby reducing the burden of subsequent maintenance on the staff. In addition, the design of the diameter of the mesh plate 406 and the spring telescopic tube 402 is three to one, which can make the cutting tool No matter where the telescopic tube 402 is running, the mesh plate 406 can block the opening of the spring telescopic tube 402 toward the feed box 3 without affecting the normal airflow, further improving the blocking effect on debris. During this process, the staff can manually start the negative pressure pump 405 as needed. The negative pressure pump 405 quickly extracts the gas inside the spring telescopic tube 402 through the rubber bellows 403. The airflow inside the spring telescopic tube 402 can also carry the debris passing through into the rubber bellows 403 during the flow. The rubber bellows 403 guides the airflow and the debris to the metal filter 404. The metal filter 404 intercepts the debris in the airflow, and then the clean air is discharged to the outside by the negative pressure pump 405.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A machine tool for machining oil grooves in inner holes of shaft sleeves, characterized in that: include: A bed (1), a spindle box (2) and a feed box (3), wherein the spindle box (2) and the feed box (3) are both installed on the top of the bed (1); A dustproof device (4), the dustproof device (4) being mounted on the surface of the bed (1), and the dustproof device (4) being arranged between the spindle box (2) and the feed box (3); The dust prevention device (4) comprises a slide rail (401) and a mesh plate (406), wherein the slide rail (401) is fixedly connected to the top of the bed (1), the surface of the slide rail (401) is fixedly connected to a spring telescopic tube (402) arranged between the spindle box (2) and the feed box (3), the surface of the spring telescopic tube (402) is fixedly connected and connected to a rubber bellows (403), the bottom of the rubber bellows (403) is fixedly connected and connected to a metal filter (404), the bottom of the metal filter (404) is fixedly connected and connected to a negative pressure pump (405) fixedly connected to the bed (1), the mesh plate (406) is fixedly connected to the surface of the feed box (3), and one end of the mesh plate (406) is in contact with the spring telescopic tube (402).

2. A machine tool for machining oil grooves in inner holes of shaft sleeves according to claim 1, characterized in that: The mesh plate (406) is in the shape of a ring frame, the diameter ratio of the mesh plate (406) to the spring telescopic tube (402) is three to one, and the center point of the connection between the mesh plate (406) and the feed box (3) coincides with the axis of the mesh plate (406).

3. The machine tool for machining the oil groove in the inner hole of a sleeve according to claim 1, characterized in that: One end of the spring expansion tube (402) is fixedly connected to a sealing gasket (407), and one end of the sealing gasket (407) is in contact with the mesh plate (406).

4. A machine tool for machining oil grooves in inner holes of shaft sleeves according to claim 3, characterized in that: One end of the spring expansion tube (402) is rotatably connected to a ball (408), and one end of the mesh plate (406) is in contact with the ball (408).

5. The machine tool for machining the oil groove in the inner hole of a sleeve according to claim 4, characterized in that: The number of the balls (408) is not less than ten, and the balls (408) are distributed in a ring shape around the axis of the spring telescopic tube (402) at one end of the spring telescopic tube (402).

6. The machine tool for machining the oil groove in the inner hole of a sleeve according to claim 4, characterized in that: The ball (408) is arranged on the outside of the sealing gasket (407), and the inner diameter of the sealing gasket (407) matches the inner diameter of the spring expansion tube (402).

7. The machine tool for machining the oil groove in the inner hole of a sleeve according to claim 4, characterized in that: The center point of the ball (408) is arranged inside the spring telescopic tube (402), and the opening at the connection between the spring telescopic tube (402) and the ball (408) is smaller than the diameter of the ball (408).

8. The machine tool for machining oil groove in inner hole of a sleeve according to claim 1, characterized in that: The other end of the mesh plate (406) is fixedly connected to a mounting tube (409) that is slidably connected to the feed box (3), and a locking bolt (410) that is threadedly connected to the feed box (3) is inserted into the surface of the mounting tube (409).

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