Multi-hole-site workpiece drilling device

Abstract

The invention discloses a multi-hole-site workpiece drilling device which comprises a machine table, a rack, a positioning block, a baffle, a pre-pressing mechanism and a drilling mechanism, the rack is installed on the machine table, the positioning block is fixed to the upper end face of the machine table and used for containing a workpiece, and the workpiece is composed of a horizontally-arranged horizontal plate and a vertically-arranged vertical plate; the positioning block is provided with a horizontal plate, one side of the horizontal plate is connected with a vertical plate which is vertically arranged downwards, the positioning block is provided with a horizontal positioning surface and a vertical positioning surface, the horizontal plate is attached to the horizontal positioning surface, the vertical plate is attached to the vertical positioning surface, and the horizontal positioning surface and the vertical positioning surface are each provided with two baffles; the two drilling mechanisms corresponding to the horizontal plate and the vertical plate respectively are mounted on the rack, so that drilling of the horizontal plate and the vertical plate can be completed on the drilling device through one-time disassembly and assembly of a workpiece, the production efficiency is improved, and meanwhile, the product stability is also improved.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical processing, in particular to the technical field of drilling devices. Background Art

[0002] There is an existing workpiece which is a plate bent into an L-shape, and it is necessary to drill a number of holes on two mutually perpendicular plates of the workpiece. The existing production method is to first install the workpiece on a drilling device to drill holes in one of the plates, and then disassemble the workpiece and install it on another drilling device to drill holes in the other plate. This production method is not only labor-intensive, has a long production process, and low production efficiency, but also the holes between the two plates are prone to errors in the relative position relationship, and the stability of the product is poor. Summary of the invention

[0003] The purpose of the present invention is to solve the problems in the prior art and to provide a multi-hole workpiece drilling device, which can complete the drilling of the workpiece on one device with high production efficiency.

[0004] To achieve the above-mentioned purpose, the present invention proposes a multi-hole workpiece drilling device, including a machine platform, a frame, a positioning block, a baffle, a pre-pressing mechanism, and a drilling mechanism. A frame is installed on the machine platform, and a positioning block is fixed on the upper end surface of the machine platform. The positioning block is used to place the workpiece, and the workpiece is composed of a horizontal plate arranged horizontally and a vertical plate arranged vertically. One side of the horizontal plate is connected to a vertical plate arranged vertically downward. A horizontal positioning surface and a vertical positioning surface are provided on the positioning block. The horizontal plate is in contact with the horizontal positioning surface, and the vertical plate is in contact with the vertical positioning surface. Two baffles are provided on the horizontal positioning surface and the vertical positioning surface. The two baffles on the positioning surface are respectively fitted with the two opposite side surfaces of the horizontal plate, and the two baffles on the vertical positioning surface are respectively fitted with the two opposite side surfaces of the vertical plate. A pre-pressing mechanism is installed on the frame, and the pre-pressing mechanism consists of a first push-pull device and a pre-pressing block. The first push-pull device is fixedly installed on the frame, and the first push-pull device is connected to the pre-pressing block. The push-pull device drives the pre-pressing block to move along the direction of the angular bisector of the horizontal plate and the vertical plate. An L-shaped pre-pressing groove is provided on the pre-pressing block, and the pre-pressing groove has two inner walls, one inner wall is a horizontal pressing wall that is close to the horizontal positioning surface, and the other inner wall is a horizontal pressing wall that is close to the vertical positioning surface. A vertical pressing wall, two drilling mechanisms are installed on the frame, the two drilling mechanisms correspond to the horizontal plate and the vertical plate respectively, the drilling mechanism is composed of a second push-pull device, a mounting frame, a mounting plate, a movable plate, a guide column, a spring, a driving mechanism and a drill bit, the second push-pull device is fixedly installed on the frame, the second push-pull device is connected to the mounting frame, a fixed plate is fixed on the mounting frame, the fixed plate is parallel to the horizontal plate or the vertical plate corresponding to the drilling mechanism, the second push-pull device drives the mounting frame to move in a direction perpendicular to the fixed plate, a driving mechanism is fixed on the fixed plate, the driving mechanism is connected to a plurality of drill bits, each drill bit is The drilling mechanism should be located at a hole to be drilled on the horizontal plate or the vertical plate corresponding to the drilling mechanism, the drill bit is perpendicular to the fixed plate, the movable plate is parallel to the fixed plate, a plurality of guide columns parallel to the drill bit are fixed on the movable plate, the guide columns pass through the fixed plate, a spring is sleeved on the outside of the guide columns, the two ends of the spring are respectively fixed to the fixed plate and the movable plate, the drill bit is located between the fixed plate and the movable plate, a plurality of first through holes corresponding to the drill bits are provided on the movable plate, the first through holes allow the corresponding drill bits to pass through, the horizontal positioning surface and the vertical positioning surface are both provided with second through holes corresponding to the drill bits, the second through holes allow the corresponding drill bits to extend into.

[0005] Preferably, the movement trajectory of the pre-pressing block does not interfere with the movement trajectory of the movable plate.

[0006] Preferably, a first avoidance groove is provided at the intersection of the horizontal positioning surface and the vertical positioning surface.

[0007] Preferably, a second avoidance groove is provided at the intersection of the horizontal compression wall and the vertical compression wall.

[0008] Preferably, the driving mechanism consists of a motor and a gearbox, the gearbox is fixed on a fixed plate, the input shaft of the gearbox is connected to a motor fixed on the fixed plate, the gearbox has multiple output shafts, and each output shaft is connected to a drill bit.

[0009] Preferably, a plurality of guide sleeves matching with the guide posts are fixed on the fixing plate, and the guide sleeves are sleeved on the outside of the guide posts.

[0010] Preferably, a plurality of liquid spray pipes corresponding to the drill bits are installed on the frame, and the liquid spray pipes are aimed at the hole positions to be drilled on the workpiece corresponding to the corresponding drill bits. A waste discharge groove is provided at the bottom of the positioning block, and a waste discharge port penetrating the upper and lower ends of the machine platform is provided on the machine platform. The waste discharge groove is connected to the waste discharge port, and the second through hole is connected to the waste discharge groove.

[0011] Preferably, the second through hole is in a frustum shape, and the maximum inner diameter of the second through hole is located at the connection point between the second through hole and the waste discharge groove.

[0012] The beneficial effects of the present invention are as follows: the present invention installs two drilling mechanisms corresponding to the horizontal plate and the vertical plate on the frame, so that the workpiece can be drilled on the drilling device after only one disassembly and assembly, thereby improving production efficiency and also improving the accuracy and stability of the product; the setting of the pre-pressing mechanism enables the workpiece to be positioned during drilling, thereby ensuring the accuracy of the drilling position.

[0013] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the multi-hole workpiece drilling device of the present invention; Figure 2 It is a top view of the positioning block of the multi-hole workpiece drilling device of the present invention; Figure 3 It is a schematic diagram of the drilling mechanism of the multi-hole workpiece drilling device of the present invention.

[0015] In the figure: 1-machine table, 2-positioning block, 3-pre-pressing mechanism, 4-drilling mechanism, 5-drill bit, 10-waste outlet, 11-frame, 20-first avoidance groove, 21-baffle, 25-waste outlet, 26-second through hole, 30-first push-pull device, 31-pre-pressing block, 32-second avoidance groove, 40-second push-pull device, 41-mounting frame, 42-fixed plate, 43-movable plate, 44-first through hole, 45-guide column, 46-guide sleeve, 47-spring, 50-motor, 51-gear box, 61-horizontal plate, 62-vertical plate. DETAILED DESCRIPTION

[0016] Embodiment 1: See also Figure 1 , Figure 2 , Figure 3 The multi-hole workpiece drilling device of the present invention comprises a machine table 1, a frame 11, a positioning block 2, a baffle 21, a pre-pressing mechanism 3, and a drilling mechanism 4. A frame 11 is installed on the machine table 1, and a positioning block 2 is fixed on the upper end surface of the machine table 1. The positioning block 2 is used to place the workpiece, and the workpiece is composed of a horizontal plate 61 arranged horizontally and a vertical plate 62 arranged vertically. One side of the horizontal plate 61 is connected to a vertical plate 62 arranged vertically downward. A horizontal positioning surface and a vertical positioning surface are provided on the positioning block 2. The horizontal plate 61 is in contact with the horizontal positioning surface, and the vertical plate 62 is in contact with the vertical positioning surface. Two baffles 21 are provided on the horizontal positioning surface and the vertical positioning surface. The two baffles 21 on the horizontal positioning surface are respectively in contact with two opposite side surfaces of the horizontal plate 61, and the two baffles 21 on the vertical positioning surface are respectively in contact with two opposite side surfaces of the vertical plate 62.

[0017] A pre-pressing mechanism 3 is installed on the frame 11, and the pre-pressing mechanism 3 consists of a first push-pull device 30 and a pre-pressing block 31. The first push-pull device 30 is fixedly installed on the frame 11. The first push-pull device 30 is a cylinder, an oil cylinder or an electric cylinder. The first push-pull device 30 is connected to the pre-pressing block 31. The push-pull device drives the pre-pressing block 31 to move along the direction of the angular bisector of the horizontal plate 61 and the vertical plate 62. An L-shaped pre-pressing groove is provided on the pre-pressing block 31. The pre-pressing groove has two inner walls, one inner wall is a horizontal pressing wall close to the horizontal positioning surface, and the other inner wall is a vertical pressing wall close to the vertical positioning surface.

[0018] Two drilling mechanisms 4 are installed on the frame 11, and the two drilling mechanisms 4 correspond to the horizontal plate 61 and the vertical plate 62 respectively. The drilling mechanism 4 is composed of a second push-pull device 40, a mounting frame 41, a mounting plate 42, a movable plate 43, a guide column 45, a spring 47, a driving mechanism and a drill bit 5. The second push-pull device 40 is fixedly installed on the frame 11. The second push-pull device 40 is a cylinder, an oil cylinder or an electric cylinder. The second push-pull device 40 is connected to the mounting frame 41. A fixed plate 42 is fixed on the mounting frame 41. The fixed plate 42 is parallel to the horizontal plate 61 or the vertical plate 62 corresponding to the drilling mechanism 4. The second push-pull device 40 drives the mounting frame 41 to move in a direction perpendicular to the fixed plate 42. A driving mechanism is fixed on the fixed plate 42. The driving mechanism is connected to a plurality of drill bits 5. Each drill bit 5 corresponds to a hole to be drilled on the horizontal plate 61 or the vertical plate 62 corresponding to the drilling mechanism 4. The drill bit 5 is perpendicular to the fixed plate 42, and the movable plate 43 is parallel to the fixed plate 42. A plurality of guide columns 45 parallel to the drill bit 5 are fixed on the movable plate 43. The guide columns 45 pass through the fixed plate 42. A spring 47 is sleeved on the outside of the guide columns 45. The two ends of the spring 47 are respectively fixed to the fixed plate 42 and the movable plate 43. The drill bit 5 is located between the fixed plate 42 and the movable plate 43. The movable plate 43 is provided with a plurality of first through holes 44 corresponding to the drill bits 5 one by one. The first through holes 44 allow the corresponding drill bits 5 to pass through. The horizontal positioning surface and the vertical positioning surface are both provided with second through holes 26 corresponding to the drill bits 5 one by one. The second through holes 26 allow the corresponding drill bits 5 to extend into.

[0019] The movement trajectory of the pre-pressing block 31 does not interfere with the movement trajectory of the movable plate 43 .

[0020] In order to prevent the connection between the horizontal plate 61 and the vertical plate 62 from affecting the fit between the workpiece and the horizontal positioning surface and the vertical positioning surface, a first avoidance groove 20 is provided at the intersection of the horizontal positioning surface and the vertical positioning surface.

[0021] In order to prevent the connection between the horizontal plate 61 and the vertical plate 62 from affecting the fit between the workpiece and the horizontal pressing wall and the vertical pressing wall, a second avoidance groove 32 is provided at the intersection of the horizontal pressing wall and the vertical pressing wall.

[0022] In order to ensure that the guide column 45 can slide smoothly, a plurality of guide sleeves 46 matching with the guide column 45 are fixed on the fixing plate 42 , and the guide sleeves 46 are sleeved on the outside of the guide column 45 .

[0023] Embodiment 2: In order to make the driving mechanism compact and simple, the driving mechanism consists of a motor 50 and a gear box 51. The gear box 51 is fixed on the fixed plate 42. The input shaft of the gear box 51 is connected to a motor 50 fixed on the fixed plate 42. The gear box 51 has multiple output shafts, and each output shaft is connected to a drill bit 5.

[0024] Embodiment three: In order to facilitate the discharge of debris generated during the drilling process, a plurality of spray pipes corresponding to the drill bits 5 are installed on the frame 11, and the spray pipes are aligned with the hole positions to be drilled on the workpiece corresponding to the corresponding drill bits 5. A waste discharge groove 25 is provided at the bottom of the positioning block 2, and a waste discharge port 10 is provided on the machine table 1, which runs through the upper and lower ends of the machine table 1. The waste discharge groove 25 is connected to the waste discharge port 10, and the second through hole 26 is connected to the waste discharge groove 25.

[0025] In order to prevent debris from accumulating in the second through hole 26 , the second through hole 26 is in a truncated cone shape, and the maximum inner diameter of the second through hole 26 is located at the connection between the second through hole 26 and the waste discharge groove 25 .

[0026] Working process of the present invention: During operation of the multi-hole workpiece drilling device of the present invention, the workpiece is placed on the positioning block 2, and the first push-pull device 30 drives the pre-pressing block 31 to move toward the workpiece, the pre-pressing block 31 presses the workpiece, and then the drilling mechanism 4 corresponding to the horizontal plate 61 of the workpiece drills the workpiece. After the drilling is completed, the drilling mechanism 4 is reset, and then the drilling mechanism 4 corresponding to the vertical plate 62 of the workpiece drills the workpiece. After the drilling is completed, the drilling mechanism 4 is reset. During the drilling process, the spray pipe continuously sprays cooling lubricating liquid, and the generated debris falls into the waste discharge tank 25 and is discharged through the waste discharge port 10.

[0027] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. Multi-hole workpiece drilling device, characterized by: The machine comprises a machine platform (1), a frame (11), a positioning block (2), a baffle (21), a pre-pressing mechanism (3), and a drilling mechanism (4). The machine platform (1) is provided with a frame (11). A positioning block (2) is fixed on the upper end surface of the machine platform (1). The positioning block (2) is used to place a workpiece. The workpiece is composed of a horizontal plate (61) arranged horizontally and a vertical plate (62) arranged vertically. One side of the horizontal plate (61) is connected to a vertical plate (62) arranged vertically downward. The positioning block (2) is provided with a horizontal positioning surface and a vertical positioning surface. The horizontal plate (61) is in contact with the horizontal positioning surface, and the vertical plate (62) is in contact with the vertical positioning surface. Two baffles (21) are provided on each of the horizontal positioning surface and the vertical positioning surface. ), the two baffles (21) on the horizontal positioning surface are respectively fitted with two opposite side surfaces of the horizontal plate (61), and the two baffles (21) on the vertical positioning surface are respectively fitted with two opposite side surfaces of the vertical plate (62), and a pre-pressing mechanism (3) is installed on the frame (11), and the pre-pressing mechanism (3) is composed of a first push-pull device (30) and a pre-pressing block (31), the first push-pull device (30) is fixedly installed on the frame (11), the first push-pull device (30) is connected to the pre-pressing block (31), and the push-pull device drives the pre-pressing block (31) to move along the direction of the angular bisector of the horizontal plate (61) and the vertical plate (62), and the pre-pressing block (31) is provided with an L-shaped pre-pressing groove, and the pre-pressing groove has two inner walls, one of which is One inner wall is a horizontal pressing wall that is in close contact with the horizontal positioning surface, and the other inner wall is a vertical pressing wall that is in close contact with the vertical positioning surface. Two drilling mechanisms (4) are installed on the frame (11), and the two drilling mechanisms (4) correspond to the horizontal plate (61) and the vertical plate (62) respectively. The drilling mechanism (4) is composed of a second push-pull device (40), a mounting frame (41), a mounting plate (42), a movable plate (43), a guide column (45), a spring (47), a driving mechanism and a drill bit (5). The second push-pull device (40) is fixedly installed on the frame (11), and the second push-pull device (40) is connected to the mounting frame (41). A fixed plate (42) is fixed on the mounting frame (41), and the fixed plate (42) is connected to the drilling mechanism (4) where it is located. The second push-pull device (40) drives the mounting frame (41) to move in a direction perpendicular to the fixed plate (42). The fixed plate (42) is fixed with a driving mechanism, the driving mechanism is connected to a plurality of drill bits (5), each drill bit (5) corresponds to a hole position to be drilled on the horizontal plate (61) or vertical plate (62) corresponding to the drilling mechanism (4), the drill bit (5) is perpendicular to the fixed plate (42), the movable plate (43) is parallel to the fixed plate (42), a plurality of guide posts (45) parallel to the drill bits (5) are fixed on the movable plate (43), the guide posts (45) pass through the fixed plate (42), and a spring (47) is sleeved on the outside of the guide posts (45).The two ends of the spring (47) are respectively fixed to the fixed plate (42) and the movable plate (43); the drill bit (5) is located between the fixed plate (42) and the movable plate (43); the movable plate (43) is provided with a plurality of first through holes (44) corresponding to the drill bits (5) one by one; the first through holes (44) allow the corresponding drill bits (5) to pass through; the horizontal positioning surface and the vertical positioning surface are both provided with second through holes (26) corresponding to the drill bits (5); the second through holes (26) allow the corresponding drill bits (5) to extend into.

2. The multi-hole workpiece drilling device according to claim 1, characterized in that: The movement trajectory of the pre-pressing block (31) does not interfere with the movement trajectory of the movable plate (43).

3. The multi-hole workpiece drilling device according to claim 1, characterized in that: A first avoidance groove (20) is provided at the intersection of the horizontal positioning surface and the vertical positioning surface.

4. The multi-hole workpiece drilling device according to claim 1, characterized in that: A second avoidance groove (32) is provided at the intersection of the horizontal pressing wall and the vertical pressing wall.

5. The multi-hole workpiece drilling device according to claim 1, characterized in that: The driving mechanism is composed of a motor (50) and a gear box (51), wherein the gear box (51) is fixed on a fixed plate (42), an input shaft of the gear box (51) is connected to a motor (50) fixed on the fixed plate (42), and the gear box (51) has a plurality of output shafts, each of which is connected to a drill bit (5).

6. The multi-hole workpiece drilling device according to claim 1, characterized in that: A plurality of guide sleeves (46) matched with the guide posts (45) are fixed on the fixing plate (42), and the guide sleeves (46) are sleeved on the outside of the guide posts (45).

7. The multi-hole workpiece drilling device according to any one of claims 1 to 6, characterized in that: The frame (11) is provided with a plurality of liquid spraying pipes corresponding to the drill bits (5) one by one, and the liquid spraying pipes are aligned with the hole positions to be drilled on the workpiece corresponding to the corresponding drill bits (5). A waste discharge groove (25) is provided at the bottom of the positioning block (2), and a waste discharge port (10) penetrating the upper and lower ends of the machine platform (1) is provided on the machine platform (1). The waste discharge groove (25) is connected to the waste discharge port (10), and the second through hole (26) is connected to the waste discharge groove (25).

8. The multi-hole workpiece drilling device according to claim 7, characterized in that: The second through hole (26) is in the shape of a truncated cone, and the maximum inner diameter of the second through hole (26) is located at the point where the second through hole (26) is connected to the waste discharge groove (25).

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