Multi-hole composite drilling machine

Abstract

A multi-hole composite drilling machine belongs to the technical field of agricultural machinery manufacturing. Comprising a base, a stand column, a feeding box, a motor, a workbench and a drill bit mechanism, the bottom of the stand column is fixedly connected with the base, the feeding box is arranged on the side face of the top of the stand column, a main shaft is arranged in the feeding box, a feeding handle is arranged on the side portion of the feeding box, and the motor is fixed to the top of the feeding box; the working table is arranged in the base and located below the main shaft, the drill bit mechanism is arranged above the working table in an up-down sliding mode and comprises a main shaft connecting plate and a drill bit mounting plate which are arranged in an up-down spaced mode, the main shaft connecting plate is fixedly connected with the main shaft, a driving shaft sequentially penetrates through the main shaft connecting plate and the drill bit mounting plate, and the drill bit mounting plate is fixedly connected with the main shaft connecting plate. The upper end of the driving shaft is connected with a motor through a main shaft, and the lower end of the driving shaft extends below the drill bit mounting plate and is in transmission connection with a plurality of drill bits. The device has the advantages of effectively solving the problem of low workpiece multi-hole machining efficiency, and being compact in overall structure and convenient to operate.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery manufacturing, and in particular relates to a multi-hole composite drilling machine. Background Art

[0002] A vertical drilling machine, or vertical drill for short, is a machine tool that uses a drill to machine holes on a workpiece. Its spindle is arranged vertically and its center position is fixed. The characteristics of existing vertical drilling machines are that the workpiece is fixed and the tool performs rotational motion. Usually, the rotation of the drill bit is the main motion, and the axial movement of the drill bit is the feed motion. During the drilling process, the workpiece usually needs to be machined with multiple holes at a time, but the drilling machine currently used has a simple structure and can only machine one hole at a time. In this way, positioning is required again when machining other holes, and the machining process becomes complicated, which not only affects the work efficiency, but also reduces the work accuracy.

[0003] In view of the above-mentioned prior art, it is necessary to improve the structure of the existing drilling machine. To this end, the applicant has made a useful design, and the technical solution to be introduced below is produced in this context. Utility Model Content

[0004] The utility model aims to provide a multi-hole composite drilling machine, which can process multiple holes at one time, improve production efficiency and improve the processing accuracy of parts.

[0005] The purpose of the utility model is achieved in this way. A multi-hole composite drilling machine comprises a base, a column, a feed box, a motor, a workbench and a drill mechanism, the bottom of the column is fixedly connected to the base, the feed box is arranged on the top side of the column, a main shaft is provided in the feed box, a feed handle is provided on the side of the feed box, the motor is connected and fixed to the top of the feed box, the workbench is arranged in the base and below the main shaft, the drill mechanism is slidably arranged above the workbench up and down, the drill mechanism comprises a main shaft connecting plate and a drill mounting plate arranged at intervals up and down, the main shaft connecting plate is connected and fixed to the main shaft, a driving shaft passes through the main shaft connecting plate and the drill mounting plate in sequence, the upper end of the driving shaft is connected to the motor through the main shaft, the lower end of the driving shaft extends to the bottom of the drill mounting plate and is transmission-connected with a plurality of drill bits.

[0006] In a specific embodiment of the utility model, the spindle is provided with a sleeve at one end located below the feed box, the bottom end of the sleeve is fixed to a fixed plate, the outer edge of the fixed plate is connected and fixed to the spindle connecting plate, and the upper end of the drive shaft extends into the sleeve and is connected to the spindle.

[0007] In another specific embodiment of the present invention, a fixing hole is formed on the side wall of the sleeve, and a fastener passes through the fixing hole to connect the sleeve and the main shaft.

[0008] In another specific embodiment of the utility model, the drill mechanism also includes a plurality of drill rotating seats, a drill bit is installed at the lower end of each drill rotating seat, the drill rotating seat is rotatably arranged on the drill mounting plate through a bearing, a driven gear is provided at the position of the drill rotating seat below the drill mounting plate, and the driving shaft is provided with a driving gear at the lower end, and the driving gear is meshed with the driven gear.

[0009] In another specific embodiment of the present invention, the drill mechanism also includes a linkage plate, the drill mounting plate is fixed on the linkage plate, a rotation seat clearance hole is provided on the linkage plate corresponding to the drill rotation seat, and the drill extends to the bottom of the linkage plate through the rotation seat clearance hole.

[0010] In another specific embodiment of the utility model, the workbench is provided with a bearing plate on the upper surface, and a clamping claw for fixing the workpiece is provided on the bearing plate, and the clamping claw is located directly below the drill mechanism.

[0011] In a further specific embodiment of the present invention, the bearing plate is provided with sliding rods at intervals at the edge, and the upper ends of the sliding rods are slidably connected to the linkage plate of the drill mechanism.

[0012] In a further specific embodiment of the present invention, the base has a cavity opening upward, and the workbench is arranged in the cavity.

[0013] In yet another specific embodiment of the present invention, there are four drill bits.

[0014] In yet another specific embodiment of the utility model, it also includes a distribution box, which is arranged on one side of the bottom of the column and is electrically connected to the feed box and the motor respectively. The distribution box is provided with a lighting lamp, and the lighting lamp is arranged toward the workpiece.

[0015] Due to the adoption of the above structure, the utility model has the beneficial effects compared with the prior art: it effectively solves the problem of low efficiency in multi-hole processing of workpieces, has a compact overall structure, is easy to operate, and can drill multiple holes simultaneously, thereby ensuring the hole size accuracy and improving the operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the drill mechanism described in the utility model.

[0018] In the figure: 1. base, 11. cavity; 2. column; 3. feed box, 31. spindle, 32. handle, 33. sleeve, 331. fixing hole, 34. fixing plate; 4. motor; 5. workbench, 51. bearing plate, 511. slide bar, 52. claw; 6. drill mechanism, 61. spindle connecting plate, 62. drill mounting plate, 63. drive shaft, 64. drill, 65. drill rotating seat, 66. driven gear, 67. driving gear, 68. linkage plate, 681. rotating seat clearance hole; 7. distribution box, 71. lighting lamp. DETAILED DESCRIPTION

[0019] The specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings, but the description of the embodiments is not a limitation of the technical solution. Any changes in form rather than substance based on the concept of the present invention should be regarded as the protection scope of the present invention.

[0020] In the following description, all concepts related to directionality (or orientation) such as up, down, left, right, front and back are referring to the position state of the figure being described, and are intended to facilitate public understanding. Therefore, they should not be understood as special limitations on the technical solutions provided by the present utility model.

[0021] See also Figure 1 The utility model relates to a multi-hole composite drilling machine, including a base 1, a column 2, a feed box 3, a motor 4, a workbench 5 and a drill mechanism 6. The bottom of the column 2 is fixedly connected to the base 1, and the feed box 3 is arranged on the top side of the column 2. The feed box 3 has a main shaft 31, and a feed handle 32 is arranged on the side of the feed box 3. The motor 4 is connected and fixed to the top of the feed box 3. The base 1 has a cavity 11 that opens upward, the workbench 5 is arranged in the cavity 11 and is located below the main shaft 31, and the drill mechanism 6 is slidably arranged above the workbench 5. The drill mechanism 6 is connected to the main shaft 31, and the feed handle 32 drives the drill mechanism 6 to perform feeding movement by driving the main shaft 31.

[0022] See also Figure 2, the drill mechanism 6 includes a spindle connecting plate 61 and a drill mounting plate 62 which are spaced apart from each other. The spindle 31 is sleeved with a sleeve 33 at one end located below the feed box 3. The sleeve 33 is provided with a fixing hole 331 on the side wall. Fasteners such as screws pass through the fixing hole 331 to connect the sleeve 33 and the spindle 31. The bottom end of the sleeve 33 is fixed to a fixed plate 34, and the outer edge of the fixed plate 34 is connected and fixed to the spindle connecting plate 61. A drive shaft 63 passes through the spindle connecting plate 61 and the drill mounting plate 62 in sequence. The upper end of the drive shaft 63 extends into the sleeve 33 and is connected to the motor 4 through the spindle 31. The lower end of the drive shaft 63 extends to the bottom of the drill mounting plate 62 and is transmission-connected to a plurality of drill bits 64. In this embodiment, there are four drill bits.

[0023] The drill mechanism 6 further includes a plurality of drill rotating seats 65, each of which has a drill bit 64 mounted at its lower end. The drill rotating seats 65 are rotatably arranged on the drill mounting plate 62 via two upper and lower bearings. A driven gear 66 is arranged at the position of the drill rotating seat 65 below the drill mounting plate 62. The driving shaft 63 is provided with a driving gear 67 at its lower end, and the driving gear 67 is meshed with the driven gear 66. The driving shaft 63 is driven by the motor 41 to rotate, and then meshes with the driven gear 66 via the driving gear 67, thereby driving the plurality of drill bits 64 to rotate. The drill mechanism 6 further includes a linkage plate 68, the drill mounting plate 62 is fixed on the linkage plate 68, and a rotation seat clearance hole 681 is provided on the linkage plate 68 corresponding to the drill rotating seat 65. The drill bit 64 extends to the lower side of the linkage plate 68 through the rotation seat clearance hole 681. The workbench 5 is provided with a bearing plate 51 on the upper surface, and a clamping claw 52 for fixing the workpiece is provided on the bearing plate 51, and the clamping claw 52 is located directly below the drill mechanism 6. The bearing plate 51 is provided with sliding rods 511 at intervals at the edge, and the upper end of the sliding rod 511 is slidably connected to the linkage plate 68 of the drill mechanism 6.

[0024] Furthermore, the utility model further comprises a distribution box 7, which is arranged at one side of the bottom of the column 2 and is electrically connected to the feed box 3 and the motor 4. The distribution box 7 is provided with an illumination lamp 71, which is arranged toward the workpiece to illuminate the workpiece.

[0025] In the utility model, the feed handle 32 is used to drive the drill bit 64 to perform up and down feeding movement. When the drill bit 64 touches the workpiece, the motor 4 can be used to drive the drill bit 64 to rotate and perform the drilling operation.

Claims

1. A multi-hole composite drilling machine, comprising a base (1), a column (2), a feed box (3), a motor (4), a workbench (5) and a drill mechanism (6), wherein the bottom of the column (2) is fixedly connected to the base (1), the feed box (3) is arranged on the top side of the column (2), the feed box (3) has a spindle (31), and the side of the feed box (3) is provided with a feed handle (32), the motor (4) is connected and fixed to the top of the feed box (3), the workbench (5) is arranged in the base (1) and is located below the spindle (31), and the drill mechanism (6) is slidably arranged above the workbench (5), characterized in that: The drill mechanism (6) comprises a spindle connecting plate (61) and a drill mounting plate (62) which are spaced apart from each other. The spindle connecting plate (61) is connected and fixed to the spindle (31). A drive shaft (63) passes through the spindle connecting plate (61) and the drill mounting plate (62) in sequence. The upper end of the drive shaft (63) is connected to the motor (4) through the spindle (31). The lower end of the drive shaft (63) extends to the bottom of the drill mounting plate (62) and is transmission-connected to a plurality of drill bits (64).

2. The multi-hole composite drilling machine according to claim 1, characterized in that: The spindle (31) is provided with a sleeve (33) at one end located below the feed box (3), the bottom end of the sleeve (33) is fixed to a fixed plate (34), the outer edge of the fixed plate (34) is connected and fixed to the spindle connecting plate (61), and the upper end of the drive shaft (63) extends into the sleeve (33) and is connected to the spindle (31).

3. The multi-hole composite drilling machine according to claim 2, characterized in that: The sleeve (33) is provided with a fixing hole (331) on the side wall, and a fastener passes through the fixing hole (331) to connect the sleeve (33) and the main shaft (31).

4. The multi-hole composite drilling machine according to claim 1, characterized in that: The drill mechanism (6) further comprises a plurality of drill rotating seats (65), a drill (64) being mounted at the lower end of each drill rotating seat (65), the drill rotating seat (65) being rotatably arranged on the drill mounting plate (62) via a bearing, a driven gear (66) being arranged at a position of the drill rotating seat (65) below the drill mounting plate (62), and a driving gear (67) being arranged at the lower end of the drive shaft (63), the driving gear (67) being meshed with the driven gear (66).

5. The multi-hole composite drilling machine according to claim 4, characterized in that: The drill mechanism (6) further comprises a linkage plate (68), the drill mounting plate (62) being fixed on the linkage plate (68), a rotation seat clearance hole (681) being provided on the linkage plate (68) corresponding to the drill rotation seat (65), and the drill (64) extending to the bottom of the linkage plate (68) through the rotation seat clearance hole (681).

6. The multi-hole composite drilling machine according to claim 1, characterized in that: The workbench (5) is provided with a bearing plate (51) on the upper surface, and a clamping claw (52) for fixing a workpiece is provided on the bearing plate (51), and the clamping claw (52) is located directly below the drill mechanism (6).

7. The multi-hole composite drilling machine according to claim 6, characterized in that: The bearing plate (51) is provided with sliding rods (511) at intervals on the edge, and the upper end of the sliding rod (511) is slidably connected to the linkage plate (68) of the drill mechanism (6).

8. The multi-hole composite drilling machine according to claim 1, characterized in that: The base (1) has a cavity (11) which is open upwards, and the workbench (5) is arranged in the cavity (11).

9. The multi-hole composite drilling machine according to claim 1, characterized in that: There are four drill bits (64).

10. The multi-hole composite drilling machine according to claim 1, characterized in that: It also includes a distribution box (7), which is arranged on one side of the bottom of the column (2) and is electrically connected to the feed box (3) and the motor (4) respectively. The distribution box (7) is provided with a lighting lamp (71), and the lighting lamp (71) is arranged toward the workpiece.

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