Drilling tool for narrow space and machining equipment

Abstract

The utility model provides a drilling tool and machining equipment for a narrow space, and relates to the technical field of machining, the drilling tool for the narrow space comprises a mounting frame, a gear box, an input shaft and a drill bit, one end of the mounting frame is connected to the gear box, and the other end of the mounting frame is detachably connected to a machine tool; one end of the input shaft is connected to the input end of the gear box, the other end of the input shaft is used for being connected with an output shaft of the machine tool, and the drill bit is connected to the output end of the gear box. Compared with the prior art, the drilling tool for the narrow and small space can be installed on a machine tool, the machining range of the machine tool is enlarged, the machine tool can conduct drilling operation in the narrow and small space, meanwhile, the problems that the manual drilling position of a bench worker is inaccurate and machining is difficult are solved, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, specifically, relate to a kind of drilling tool and machining equipment for narrow space. BACKGROUND

[0002] Both milling machine and drilling machine cannot satisfy the drilling operation of narrow space due to its own structure limitation, for example, the processing of hot-rolled reel shaft slide plate and hole, the processing of hot-rolled drum lining plate and hole and the processing of vertical casting machine column slide plate and hole. The above hole positions are in narrow space, and the traditional milling machine and drilling machine cannot approach the drilling position. If the hand drilling is used by bench worker, there are problems of processing difficulty and low precision, and the related parts often need to be processed, which reduces the processing efficiency and cannot guarantee the product quality. SUMMARY

[0003] The utility model solves the problem of how to provide a drilling tool that can drill in narrow space.

[0004] The utility model provides a kind of drilling tool for narrow space, it include: mounting bracket, gear box, input shaft and drill bit, the one end of mounting bracket is connected to gear box, the other end is used to be detachably connected on machine tool, the one end of input shaft is connected to the input end of gear box, the other end of input shaft is used to be connected with the output shaft of machine tool, drill bit is connected to the output end of gear box.

[0005] Compared with the prior art, the drilling tool for narrow space provided by the utility model has the following beneficial effects, but is not limited to:

[0006] The drilling tool for narrow space can be connected to machine tool through mounting bracket, and the machine tool can be milling machine, boring machine and drilling machine, etc. The output shaft of machine tool is drivingly connected with the input shaft of the tool, and one end of gear box for installing drill bit can extend into the narrow space of workpiece to be machined. The output shaft of machine tool can transmit power to gear box through input shaft, and gear box can transmit power to drill bit for drilling operation. Compared with the prior art, the drilling tool for narrow space can be installed on machine tool, which increases the machining range of machine tool and enables it to drill in narrow space. The problems of inaccurate drilling position and difficult machining of bench worker are solved, and the efficiency is improved.

[0007] Optionally, the mounting bracket includes a clamp connector and a connecting rod, the clamp connector is used to connect with the machine tool, and one end of the connecting rod is connected to the clamp connector and the other end is connected to the gear box.

[0008] Optionally, the mounting frame further comprises a flange plate, the flange plate is detachably connected to the gear box, and the connecting rod is connected between the clamping connector and the flange plate.

[0009] Optionally, a plurality of connecting rods are arranged, and the plurality of connecting rods are arranged at intervals in the circumferential direction of the clamping connector.

[0010] Optionally, the gear box comprises a box structure, a driving gear and a driven gear, the driving gear and the driven gear are both mounted in the box structure, the driving gear is in transmission connection with the driven gear, the input shaft is in transmission connection with the driving gear, and the drill bit is in transmission connection with the driven gear.

[0011] Optionally, the gear box further comprises an intermediate gear, the intermediate gear is arranged in the box structure and is in transmission connection with the driving gear and the driven gear respectively.

[0012] Optionally, the box structure comprises an upper box and a lower box, and the upper box is detachably connected with the lower box.

[0013] Optionally, the cross-sectional dimension of the box structure gradually decreases from one end close to the input shaft to one end close to the drill bit.

[0014] Optionally, a pin hole is formed in the end of the input shaft away from the gear box.

[0015] In addition, the utility model also provides a machining equipment, including the drilling tool for narrow space as mentioned in the preceding.

[0016] Since the technical improvement and the technical effect of the machining equipment are the same as those of the drilling tool for narrow space, the technical effect of the machining equipment will not be described in detail. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the drilling tool for narrow space of the utility model embodiment;

[0018] Figure 2 It is a structural schematic view of the drilling tool for narrow space of the utility model embodiment installed on a machine tool.

[0019] MARK NUMBER EXPLANATION:

[0020] 1, mounting frame; 11, clamping connector; 12, connecting rod; 13, flange plate; 2, gear box; 3, input shaft; 31, pin hole; 4, drill bit; 5, machine tool. DETAILED DESCRIPTION

[0021] In order to make the above object, characteristics and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0022] In the description of the present application, the orientation or position relationship indicated by "up", "down", "left", "right", "top", "bottom", "front", "back", "inner" and "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In the description of the present application, the description of the terms "embodiment", "one embodiment" and "one embodiment" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or embodiment are included in at least one embodiment or embodiment of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or embodiment. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or embodiments in a suitable manner.

[0025] Moreover, the Z axis in the drawing represents the vertical direction, that is, the up and down position, and the positive direction of the Z axis, that is, the arrow direction of the Z axis, represents up, and the negative direction of the Z axis, that is, the direction opposite to the positive direction of the Z axis, represents down.

[0026] It should be noted that the aforementioned meaning of the Z axis is only for the convenience of describing the present application and simplifying the description, and is not indicative or suggestive of the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] As Figures 1 to 2As shown in the utility model embodiment, the drilling tool for narrow space comprises a mounting frame 1, a gear box 2, an input shaft 3 and a drill bit 4, one end of the mounting frame 1 is connected to the gear box 2, the other end is used for detachable connection on a machine tool 5, one end of the input shaft 3 is connected to the input end of the gear box 2, the other end of the input shaft 3 is used for connection with the output shaft of the machine tool 5, and the drill bit 4 is connected to the output end of the gear box 2.

[0028] In the embodiment, the accompanying drawings are combined Figure 1 and the accompanying drawings are combined Figure 2 As shown, the tool can be connected on the machine tool 5 through the mounting frame 1, wherein the machine tool 5 can be a milling machine, a boring machine and a drilling machine, etc., the output shaft of the machine tool 5 is in transmission connection with the input shaft 3 of the tool, one end of the gear box 2 for mounting the drill bit 4 can be inserted into the narrow space of a workpiece to be machined, the output shaft of the machine tool 5 can transmit power to the gear box 2 through the input shaft 4, and the gear box 2 transmits power to the drill bit 4, so that the drill bit 4 performs drilling operation. Compared with the prior art, the drilling tool for narrow space of the utility model can be installed on a machine tool, the machining range of the machine tool is increased, the drilling operation in a narrow space can be performed, the problems of inaccurate drilling position and difficult machining of a bench worker are solved, and the efficiency is improved.

[0029] It should be noted that the machine tool 5 can be a conventional three-axis machine tool, that is, the machine tool can at least drive the drilling tool to move in the vertical direction and the horizontal direction. The input shaft 3 and the output shaft of the machine tool 5 can be taper surface connection, the input shaft 3 is a machine tool universal shaft rod, which is suitable for various machine tools.

[0030] Optionally, the mounting frame 1 comprises a clamp connecting piece 11 and a connecting rod 12, the clamp connecting piece 11 is used for connection with the machine tool 5, one end of the connecting rod 12 is connected to the clamp connecting piece 11, and the other end is connected to the gear box 2.

[0031] In the embodiment, the accompanying drawings are combined Figure 1 and the accompanying drawings are combined Figure 2 As shown, the connecting rod 12 can be a cylindrical metal rod, and the two ends thereof can be connected between the clamp connecting piece 11 and the gear box 2 through welding. Before the clamp connecting piece 11 is connected to the machine tool 5, the bolts thereon are removed, so that the clamp connecting piece 11 can be expanded outward, then the clamp connecting piece 11 is sleeved on the corresponding connecting position of the machine tool 5, for example, the output shaft of the machine tool 5 is a motor output shaft, the motor shell is fixed on the machine tool body, the clamp connecting piece 11 can be sleeved on the motor shell, and then the clamp connecting piece 11 is tightened through bolts, so that the tool is fixed relative to the machine tool 5.

[0032] Optionally, the mounting frame 1 further comprises a flange plate 13, which is detachably connected to the gear box 2, and the connecting rod 12 is connected between the clamp connector 11 and the flange plate 13.

[0033] In the embodiment, the mounting frame 1 is combined with the gear box 2 as shown in the attached Figure 1 The upper end surface of the gear box 2 (the attached Figure 1 The flange plate 13 can be connected by bolts, and the two ends of the connecting rod 12 can be connected to the clamp connector 11 and the flange plate 13 by welding. The flange plate 13 can facilitate the disassembly and assembly of the mounting frame 1 and the gear box 2.

[0034] Optionally, a plurality of connecting rods 12 are provided and are arranged along the circumference of the clamp connector 11.

[0035] In the embodiment, the mounting frame 1 is combined with the gear box 2 as shown in the attached Figure 1 A plurality of connecting rods 12 can be arranged between the clamp connector 11 and the flange plate 13, thereby improving the stability of the connection between the clamp connector 11 and the flange plate 13.

[0036] Optionally, the gear box 2 comprises a box structure, a driving gear and a driven gear, the driving gear and the driven gear are both installed in the box structure, and the driving gear and the driven gear are in transmission connection, the input shaft 3 is in transmission connection with the driving gear, and the drill bit 4 is in transmission connection with the driven gear.

[0037] The gear box 2 further comprises an intermediate gear, which is arranged in the box structure and is in transmission connection with the driving gear and the driven gear.

[0038] In the embodiment, the gear pair of the gear box 2 is composed of three gears, i.e. the driving gear, the driven gear and the intermediate gear. The purpose of using three gears is to run stably and have a long service life. If two gears are used, the impact force on the gears is large and the speed is not uniform. Using three gears can also increase the machining range of the tooling.

[0039] Optionally, the box structure comprises an upper box and a lower box, and the upper box and the lower box are detachably connected.

[0040] In the embodiment, the detachable upper box and lower box can facilitate the installation of the gear pair in the box structure and facilitate maintenance.

[0041] Optionally, the cross-sectional dimension of the box structure gradually decreases from the end close to the input shaft 3 to the end close to the drill bit 4.

[0042] In the embodiment, the mounting frame 1 is combined with the gear box 2 as shown in the attached Figure 1As shown, the gear pair of the gear box 2 is composed of three gears, wherein the driving gear is the largest in size, the driven gear is the smallest in size, and the intermediate gear is in size between the driving gear and the driven gear, so that the box structure can be designed to gradually reduce the cross-sectional size from one end of the input shaft 3 to one end of the drill bit 4, so that the size of the box structure, especially near the end of the drill bit 4, can be reduced, so that the drill bit 4 can extend into a narrow space.

[0043] Optionally, a pin hole 31 is formed in the end of the input shaft 3 away from the gear box 2.

[0044] In this embodiment, the accompanying drawings are combined Figure 1 As shown, the upper end (the accompanying drawings are combined Figure 1 Figure 1 The pin hole 31 is formed in the radial direction of the upper end of the input shaft 3, and the lower end of the output shaft of the machine tool 5 can also be provided with a pin hole, and the lower end of the output shaft of the machine tool 5 can be sleeved on the upper end of the input shaft 3, so that the two are drivingly connected by the pin shaft passing through the two pin holes.

[0045] In addition, the utility model also provides a kind of mechanical processing equipment, including the drilling tool for narrow space as described above.

[0046] Since the technical improvement and technical effect of the mechanical processing equipment are the same as those of the drilling tool for narrow space, the technical effect of the mechanical processing equipment will not be described in detail.

[0047] It should be noted that the mechanical processing equipment can be a milling machine, a boring machine and a drilling machine, etc.

[0048] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features.

[0049] Although the utility model discloses as above, the protection scope of the utility model is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A drilling fixture for use in confined spaces, characterized in that, include: The assembly comprises a mounting bracket (1), a gearbox (2), an input shaft (3), and a drill bit (4). One end of the mounting bracket (1) is connected to the gearbox (2), and the other end is detachably connected to the machine tool (5). One end of the input shaft (3) is connected to the input end of the gearbox (2), and the other end of the input shaft (3) is connected to the output shaft of the machine tool (5). The drill bit (4) is connected to the output end of the gearbox (2).

2. The drilling fixture for confined spaces according to claim 1, characterized in that, The mounting bracket (1) includes a clamp connector (11) and a connecting rod (12). The clamp connector (11) is used to connect to the machine tool (5). One end of the connecting rod (12) is connected to the clamp connector (11), and the other end is connected to the gearbox (2).

3. The drilling fixture for confined spaces according to claim 2, characterized in that, The mounting bracket (1) also includes a flange (13), which is detachably connected to the gearbox (2), and the connecting rod (12) is connected between the clamp connector (11) and the flange (13).

4. The drilling fixture for confined spaces according to claim 3, characterized in that, Multiple connecting rods (12) are provided, and the multiple connecting rods (12) are spaced apart circumferentially along the clamp connector (11).

5. The drilling fixture for confined spaces according to claim 1, characterized in that, The gearbox (2) includes a housing structure, a driving gear and a driven gear. The driving gear and the driven gear are both installed in the housing structure, and the driving gear and the driven gear are connected in a driving connection. The input shaft (3) is connected in a driving connection to the driving gear, and the drill bit (4) is connected in a driving connection to the driven gear.

6. The drilling fixture for confined spaces according to claim 5, characterized in that, The gearbox (2) also includes an intermediate gear, which is disposed within the gearbox structure and is connected to the driving gear and the driven gear respectively.

7. The drilling fixture for confined spaces according to claim 5, characterized in that, The box structure includes an upper box and a lower box, and the upper box and the lower box are detachably connected.

8. The drilling fixture for confined spaces according to claim 5, characterized in that, The cross-sectional dimensions of the housing structure gradually decrease from the end near the input shaft (3) to the end near the drill bit (4).

9. The drilling fixture for confined spaces according to claim 1, characterized in that, The input shaft (3) has a pin hole (31) at the end away from the gearbox (2).

10. A machining equipment, characterized in that, Including the drilling fixture for confined spaces as described in any one of claims 1-9.

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