Efficient multidirectional multi-bit drill device

Abstract

The invention discloses an efficient multidirectional multi-bit drill device which is characterized in that two downward-inserting inclined rods are connected to the bottom of an upper supporting plate, and a driving shaft is rotationally connected to the upper supporting plate; the two sliding blocks are in sliding fit with the lower supporting plate, the two downward-inserting inclined rods are in sliding fit with the two sliding blocks, and the two driven shafts are rotationally connected to the two sliding blocks correspondingly. The driving shaft is in driving connection with the transmission assembly which is in driving connection with the driven shaft. The clamp is connected to the lower supporting plate, the driving shaft is located over the clamp, the driven shafts are located on the two sides of the clamp, the clamp comprises two clamping rods, and the upper supporting plate gets close to or away from the lower supporting plate under external force. The push-pull mechanism comprises a connecting rod assembly and a cushion block, the connecting rod assembly is connected to the downward-inserting inclined rod, the cushion block is connected to one end of the connecting rod assembly, and the connecting rod assembly pulls the cushion block so that the tops of the two clamping rods can be opened. The drilling device is conveniently used for quickly drilling a workpiece with an arc surface and hole sites distributed in multiple directions, and the machining efficiency is improved; meanwhile, positioning is more accurate, and then the product quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machining, in particular to a high-efficiency multi-directional multi-head drilling device. BACKGROUND

[0002] In the mechanical processing industry, multi-head drilling devices are widely used in furniture manufacturing, automobile parts production and other fields due to their efficient multi-hole simultaneous processing capability.

[0003] However, the existing multi-head drilling device has significant limitations, with limited range of orientation adjustment for the drill heads, often only allowing single-plane or fixed-angle drilling operations. When faced with workpieces with circular surfaces or multi-directionally distributed hole positions, traditional devices are difficult to accurately position and process, resulting in low processing efficiency and high scrap rates.

[0004] As shown in Figure 1 , the existing multi-head drill cannot solve the problem when drilling holes on this type of workpiece. If single drill heads are used to drill holes one by one, the processing efficiency is low and the scrap rate is high, which cannot meet the demand of mass production. SUMMARY

[0005] The present application aims to provide a high-efficiency multi-directional multi-head drilling device that facilitates rapid drilling and processing of workpieces with circular surfaces and multi-directionally distributed hole positions, improves processing efficiency, and ensures product quality by providing more accurate positioning.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: A high-efficiency multi-directional multi-head drilling device, comprising an upper support plate, two lower inclined rods connected to the bottom of the upper support plate, a driving shaft rotationally connected to the upper support plate, two sliding blocks slidingly fitted to the lower support plate, the two lower inclined rods slidingly fitted to the two sliding blocks, two driven shafts rotationally connected to the two sliding blocks, a driving shaft drivingly connected to a transmission assembly, the transmission assembly drivingly connected to the driven shafts, a clamp connected to the lower support plate, the driving shaft located directly above the clamp, the driven shafts located on both sides of the clamp, the clamp comprising two clamping rods, the upper support plate being brought closer to or further away from the lower support plate under external force, a push-pull mechanism comprising a link assembly and a pad, the link assembly connected to the lower inclined rods, the pad connected to one end of the link assembly, the link assembly pulling the pad to cause the two clamping rod tops to be spread apart.

[0007] A further improvement of the present application is that the two ends of the top of the upper support plate are connected to bearing seats, a rotating shaft is rotationally connected to the bearing seats, and the driving shaft is rotationally connected to the upper support plate through the bearing; a driving bevel gear is connected to the driving shaft, a driven bevel gear is connected to the rotating shaft, and the two driven bevel gears are meshed with the driving bevel gear; the bottom end of the driving shaft and the opposite end of the driven shaft are in the form of a Morse taper for mounting a clamp seat, and the clamp seat is used to mount a drill head.

[0008] A further improvement of the present invention is that the transmission assembly includes a driving pulley, a transition pulley and a driven pulley, the two driving pulleys are connected to the two ends of the rotating shaft, the two transition pulleys are connected to the bottom end of the lower inserted oblique rod, and the two driven pulleys are connected to the end of the driven shaft; the driving pulley and the transition pulley are arranged at 90°, and the belt bends upward after passing through the driving pulley and the transition pulley and is connected to the driven pulley.

[0009] A further improvement of the present invention is that a sliding groove is provided on the lower support plate, the slider slides in the sliding groove, and baffles are connected to both ends of the lower support plate; the driven shaft is rotatably connected to the slider through a bearing, and a long groove for avoiding the driven shaft is provided on the lower inserted oblique rod.

[0010] A further improvement of the present invention is that the two lower oblique rods are distributed in an eight-shaped shape, a guide groove is obliquely provided on the slider, and the lower oblique rod is slidably fitted in the guide groove.

[0011] A further improvement of the present invention is that the clamp also includes a disc-shaped clamping body, which is connected to the center of the lower support plate. A groove is provided on the clamping body, and a pivot is connected in the groove. The bottoms of the two clamping rods are respectively rotatably connected to the two pivots, and protrusions are provided on the opposite sides of the bottoms of the two clamping rods.

[0012] A further improvement of the present invention is that the push-pull mechanism also includes a push-pull rod and a sliding sleeve, the pad is connected to the top of the push-pull rod, and the pad is in contact with the two protrusions; the sliding sleeve is connected to the lower support plate at the bottom end of the clamp body, and the push-pull rod slides in conjunction with the sliding sleeve.

[0013] A further improvement scheme of the present invention is that the connecting rod assembly includes a bottom drag rod, the two ends of the bottom drag rod are respectively connected to two lower inserted oblique rods; the bottom drag rod is connected to a guide rod, and the guide rod is slidably fitted with the bottom end of the sliding sleeve; the guide rod is rotatably connected to the first connecting rod, the other end of the first connecting rod is rotatably connected to the center rod, and the center rod is rotatably connected to the second connecting rod, the other end of the second connecting rod is rotatably connected to the limit rod on the outer wall of the push-pull rod, and the sliding sleeve is provided with a vertical limit groove, and the limit rod is slidably fitted with the vertical limit groove; the bottom end of the lower support plate is connected to a bracket, the bracket is provided with a horizontal limit groove, and the center rod is slidably fitted with the horizontal limit groove.

[0014] A further improved solution of the present invention is that a housing is connected to the lower support plate, and the top end of the driving shaft extends out of the housing.

[0015] A further improvement of the present invention is that four fixed legs are connected to the bottom end of the lower support plate.

[0016] Beneficial effects of the present invention: The efficient multi-directional multi-head drilling device of the application is convenient for fast drilling of workpieces with circular arc surfaces and multi-directionally distributed hole positions, improves processing efficiency, and is more accurate in positioning, thereby ensuring product quality.

[0017] The efficient multi-directional multi-head drilling device of the application is convenient for fast drilling of workpieces with circular arc surfaces and multi-directionally distributed hole positions, improves processing efficiency, and is more accurate in positioning, thereby ensuring product quality.

[0018] The efficient multi-directional multi-head drilling device of the application is convenient for fast drilling of workpieces with circular arc surfaces and multi-directionally distributed hole positions, improves processing efficiency, and is more accurate in positioning, thereby ensuring product quality.

[0019] The efficient multi-directional multi-head drilling device of the application is convenient for fast drilling of workpieces with circular arc surfaces and multi-directionally distributed hole positions, improves processing efficiency, and is more accurate in positioning, thereby ensuring product quality. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the workpiece.

[0021] Figure 2 It is a structural schematic diagram of the workpiece.

[0022] Figure 3 It is a structural schematic diagram of the workpiece.

[0023] Figure 4 It is a structural schematic diagram of the workpiece.

[0024] Figure 5 It is a structural schematic diagram of the workpiece.

[0025] Figure 6 It is a structural schematic diagram of the workpiece.

[0026] Figure 7 It is a structural schematic diagram of the workpiece.

[0027] Figure 8 It is a structural schematic diagram of the workpiece.

[0028] Figure 9 It is a structural schematic diagram of the workpiece.

[0029] Figure 10 It is a structural schematic diagram of the workpiece.

[0030] In the figure: 1-upper support plate, 2-lower oblique rod, 3-driving shaft, 4-slider, 5-driven shaft, 6-clamping rod, 7-pad, 8-bearing seat, 9-rotating shaft, 10-driving bevel gear, 11-driven bevel gear, 12-driving pulley, 13-transition pulley, 14-driven pulley, 15-belt, 16-slide, 17-long groove, 18-clamping body, 19-pivot, 20-bump, 21-push-pull rod, 22-slide sleeve, 23-bottom drag rod, 24-guide rod, 25-first connecting rod, 26-second connecting rod, 27-center rod, 28-vertical limit groove, 29-bracket, 30-lateral limit groove, 31-housing, 32-fixed support foot, 33-workpiece, 34-hole A, 35-hole B, 36-lower support plate, 37-hole C, 38-limiting rod. DETAILED DESCRIPTION

[0031] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0032] Example 1: Figures 1-10 As shown, a high-efficiency multi-directional multi-head drilling device includes an upper support plate 1, the bottom of the upper support plate 1 is connected to two lower inserted oblique rods 2, and the driving shaft 3 is rotatably connected to the upper support plate 1; two sliders 4 are slidably fitted with the lower support plate 36, and the two lower inserted oblique rods 2 are slidably fitted with the two sliders 4, and the two driven shafts 5 are rotatably connected to the two sliders 4 respectively; the driving shaft 3 is driven and connected to the transmission assembly, and the transmission assembly is driven and connected to the driven shaft 5; the clamp is connected to the lower support plate 36, the driving shaft 3 is located directly above the clamp, and the driven shaft 5 is located on both sides of the clamp, the clamp includes two clamping rods 6, and the upper support plate 1 is subjected to external force to approach or move away from the lower support plate 36; the push-pull mechanism includes a connecting rod assembly and a pad 7, the connecting rod assembly is connected to the lower inserted oblique rod 2, the pad 7 is connected to one end of the connecting rod assembly, and the connecting rod assembly pulls the pad 7 to make the tops of the two clamping rods 6 open.

[0033] The two ends of the top of the upper support plate 1 are connected to bearing seats 8, the rotating shaft 9 is rotatably connected to the bearing seats 8, and the driving shaft 3 is rotatably connected to the upper support plate 1 through the bearing; the driving shaft 3 is connected to a driving bevel gear 10, and the rotating shaft 9 is connected to a driven bevel gear 11, and the two driven bevel gears 11 are engaged with the driving bevel gear 10; the bottom end of the driving shaft 3 and the facing end of the driven shaft 5 are in the shape of a Morse cone for installing a clamping seat, and the clamping seat is used to install a drill bit.

[0034] The transmission assembly includes a driving pulley 12, a transition pulley 13 and a driven pulley 14. The two driving pulleys 12 are connected to the two ends of the rotating shaft 9, the two transition pulleys 13 are connected to the bottom end of the lower inserted oblique rod 2, and the two driven pulleys 14 are connected to the end of the driven shaft 5; the driving pulleys 12 and the transition pulleys 13 are arranged at 90°, and the belt 15 bends upward after passing through the driving pulley 12 and the transition pulley 13 and is connected to the driven pulley 14.

[0035] A slide groove 16 is provided on the lower support plate 36, and the slider 4 slides in the slide groove 16, and baffles are connected to both ends of the lower support plate 36; the driven shaft 5 is rotatably connected to the slider 4 through a bearing, and a long groove 17 for avoiding the driven shaft 5 is provided on the lower inserted inclined rod 2.

[0036] The two lower inserted oblique rods 2 are distributed in an eight-shaped shape, and a guide groove is obliquely provided on the slider 4, and the lower inserted oblique rods 2 are slidably matched with the guide groove.

[0037] The clamp also includes a disc-shaped clamp body 18, which is connected to the center of the lower support plate 36. The clamp body 18 is provided with a groove, and a pivot 19 is connected in the groove. The bottoms of the two clamp rods 6 are respectively rotatably connected to the two pivots 19, and the bottoms of the two clamp rods 6 are provided with protrusions 20 on the facing sides.

[0038] The push-pull mechanism also includes a push-pull rod 21 and a sliding sleeve 22. The pad 7 is connected to the top of the push-pull rod 21, and the pad 7 contacts the two protrusions 20; the sliding sleeve 22 is connected to the lower support plate 36 at the bottom end of the clamp body 18, and the push-pull rod 21 slides in the sliding sleeve 22.

[0039] The connecting rod assembly includes a bottom drag rod 23, the two ends of which are respectively connected to the two lower inserted oblique rods 2; the bottom drag rod 23 is connected to a guide rod 24, and the guide rod 24 slides with the bottom end of the sliding sleeve 22; the guide rod 24 is rotatably connected to a first connecting rod 25, and the other end of the first connecting rod 25 is rotatably connected to the center rod 27, and the center rod 27 is rotatably connected to a second connecting rod 26, and the other end of the second connecting rod 26 is rotatably connected to the limit rod 38 on the outer wall of the push-pull rod 21, and a vertical limit groove 28 is provided on the sliding sleeve 22, and the limit rod 38 slides with the vertical limit groove 28; the bottom end of the lower support plate 36 is connected to a bracket 29, and a horizontal limit groove 30 is provided on the bracket 29, and the center rod 27 slides with the horizontal limit groove 30.

[0040] The lower support plate 36 is connected to the housing 31 , and the top end of the driving shaft 3 extends out of the housing 31 .

[0041] Four fixing legs 32 are connected to the bottom end of the lower support plate 36 .

[0042] The specific working principle of the present invention is as follows: Before operation, the upper support plate 1 of the present invention is installed on the bottom of the main spindle box of the drilling machine, the driving shaft 3 is connected to the main spindle of the drilling machine to input power, and the fixed support legs 32 are connected to the workbench of the drilling machine.

[0043] During operation, the workpiece 33 is placed on the clamping base 18, the spindle box of the drilling machine moves downward, and the upper support plate 1 moves downward at the same time. The upper support plate 1 drives the lower inserted inclined rod 2 to move downward, and the lower inserted inclined rod 2 pulls the bottom drag rod 23 downward, and the bottom drag rod 23 pulls the guide rod 24 downward, and the guide rod 24 pulls the first connecting rod 25 and the second connecting rod 26, and the second connecting rod 26 pulls the push-pull rod 21, and the push-pull rod 21 moves downward along the sliding sleeve 22. At the same time, the pad 7 squeezes the protrusion 20 at the bottom of the clamping rod 6, and the top of the clamping rod 6 rotates outward to support and clamp the inner wall of the workpiece 33.

[0044] At the same time, the driving shaft 3 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the driven shaft 5 to rotate, and then the driving shaft 3 and the drill bits on the driven shaft 5 rotate; while the spindle box of the drilling machine moves downward, the drill bit on the driving shaft 3 contacts the workpiece 33, completing the processing of the top hole A34 of the workpiece 33; while the lower inserted inclined rod 2 moves downward, the lower inserted inclined rod 2 drives the two slides 4 to move toward each other, and the two drill bits on the driven shaft 5 contact the workpiece 33, completing the processing of the two holes B35 on the arc surface of the workpiece 33.

[0045] After the processing is completed, the spindle box moves upward and the driving shaft 3 moves away from the workpiece 33; at the same time, when the lower inclined rod 2 moves upward, the two sliders 4 are driven to move in the opposite direction, and the driven shaft 5 moves away from the workpiece 33; in addition, the pad 7 moves upward to stop squeezing the protrusion 20 at the bottom of the clamping rod 6, and the staff can remove the workpiece 33.

[0046] Furthermore, when drilling holes C37, the bottom set of holes C37 can be machined by simply lowering the upper support plate 1. This eliminates the need for frequent equipment changes or mechanical adjustments, reducing production costs and shortening machining cycles.

[0047] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be covered by the scope of protection of the present invention.

Claims

1. An efficient multi-directional multi-head drilling device, characterized in that: include: An upper support plate (1), the bottom of the upper support plate (1) is connected to two lower inserted oblique rods (2), and a driving shaft (3) is rotatably connected to the upper support plate (1); Slide blocks (4), the two slide blocks (4) are slidably fitted on the lower support plate (36), and the two lower inserted oblique rods (2) are slidably fitted on the two slide blocks (4), and the two driven shafts (5) are respectively rotatably connected to the two slide blocks (4); A transmission assembly, wherein the driving shaft (3) is drivingly connected to the transmission assembly, and the transmission assembly is drivingly connected to the driven shaft (5); A clamp, the clamp is connected to the lower support plate (36), the driving shaft (3) is located directly above the clamp, the driven shaft (5) is located on both sides of the clamp, the clamp includes two clamping rods (6), and the upper support plate (1) is moved closer to or away from the lower support plate (36) by an external force; The push-pull mechanism comprises a connecting rod assembly and a cushion block (7), wherein the connecting rod assembly is connected to the lower inserted oblique rod (2), and the cushion block (7) is connected to one end of the connecting rod assembly, and the connecting rod assembly pulls the cushion block (7) to open the tops of the two clamping rods (6).

2. The efficient multi-directional multi-head drilling device according to claim 1, characterized in that: The two ends of the top of the upper support plate (1) are connected to bearing seats (8), the rotating shaft (9) is rotatably connected to the bearing seats (8), and the driving shaft (3) is rotatably connected to the upper support plate (1) through the bearings; the driving shaft (3) is connected to a driving bevel gear (10), and the rotating shaft (9) is connected to a driven bevel gear (11), and the two driven bevel gears (11) are meshed with the driving bevel gear (10); the bottom end of the driving shaft (3) and the opposite end of the driven shaft (5) are in the shape of a Morse cone for mounting a clamping seat, and the clamping seat is used to mount a drill bit.

3. The efficient multi-directional multi-head drilling device according to claim 2, characterized in that: The transmission assembly comprises a driving pulley (12), a transition pulley (13) and a driven pulley (14), wherein the two driving pulleys (12) are connected to both ends of the rotating shaft (9), the two transition pulleys (13) are connected to the bottom end of the lower inserted inclined rod (2), and the two driven pulleys (14) are connected to the end of the driven shaft (5); the driving pulleys (12) and the transition pulleys (13) are arranged in a 90° staggered manner, and the belt (15) bends upward after passing through the driving pulleys (12) and the transition pulleys (13) and is connected to the driven pulley (14).

4. The efficient multi-directional multi-head drilling device according to claim 1, characterized in that: The lower support plate (36) is provided with a slide groove (16), the slider (4) is slidably fitted in the slide groove (16), and baffles are connected to both ends of the lower support plate (36); the driven shaft (5) is rotatably connected to the slider (4) through a bearing, and a long groove (17) for avoiding the driven shaft (5) is provided on the lower inserted inclined rod (2).

5. The efficient multi-directional multi-head drilling device according to claim 1 or 4, characterized in that: The two lower oblique rods (2) are distributed in an eight-shaped pattern, and a guide groove is obliquely provided on the slider (4), and the lower oblique rods (2) are slidably fitted in the guide groove.

6. The efficient multi-directional multi-head drilling device according to claim 1, characterized in that: The clamp further comprises a disc-shaped clamp body (18), the clamp body (18) being connected to the center of the lower support plate (36), the clamp body (18) being provided with a groove, the groove being connected with a pivot (19), the bottoms of the two clamp rods (6) being rotatably connected to the two pivots (19), and the bottoms of the two clamp rods (6) being provided with protrusions (20) on opposite sides thereof.

7. The efficient multi-directional multi-head drilling device according to claim 6, characterized in that: The push-pull mechanism further includes a push-pull rod (21) and a sliding sleeve (22); a pad (7) is connected to the top end of the push-pull rod (21), and the pad (7) is in contact with two protrusions (20); the sliding sleeve (22) is connected to the lower support plate (36) at the bottom end of the clamp body (18), and the push-pull rod (21) is slidably fitted in the sliding sleeve (22).

8. The efficient multi-directional multi-head drilling device according to claim 1 or 7, characterized in that: The connecting rod assembly includes a bottom drag rod (23), the two ends of which are respectively connected to the two lower inserted oblique rods (2); the bottom drag rod (23) is connected to a guide rod (24), and the guide rod (24) is slidably matched with the bottom end of the sliding sleeve (22); the guide rod (24) is rotatably connected to a first connecting rod (25), the other end of the first connecting rod (25) is rotatably connected to a center rod (27), the center rod (27) is rotatably connected to a second connecting rod (26), the other end of the second connecting rod (26) is rotatably connected to a limiting rod (38) on the outer wall of the push-pull rod (21), and the sliding sleeve (22) is provided with a vertical limiting groove (28), and the limiting rod (38) is slidably matched with the vertical limiting groove (28); the bottom end of the lower support plate (36) is connected to a bracket (29), the bracket (29) is provided with a transverse limiting groove (30), and the center rod (27) is slidably matched with the transverse limiting groove (30).

9. The efficient multi-directional multi-head drilling device according to claim 1, characterized in that: The lower support plate (36) is connected to a housing (31), and the top end of the driving shaft (3) extends out of the housing (31).

10. The efficient multi-directional multi-head drilling device according to claim 1, characterized in that: Four fixed legs (32) are connected to the bottom end of the lower support plate (36).

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