Multi-drilling device

By designing a multi-drilling device, multiple drill bits are driven to rotate synchronously by the same drive motor, and the workpiece is fixed by a limiting roller. This solves the problem of traditional drilling machines being unable to perform efficient multi-hole machining, achieving efficient and precise multi-hole machining, and reducing costs and errors.

CN224026536UActive Publication Date: 2026-03-24HUBEI XIONGZHI PLASTIC HARDWARE PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional drilling machines can only operate with a single drill bit, making it difficult to efficiently complete multi-hole requirements, resulting in low production efficiency, increased human error, and high labor intensity.

Method used

Design a multi-drilling device that uses the same drive motor to drive multiple drill bits to rotate synchronously, and uses limit rollers and hydraulic cylinders to fix the workpiece, so as to realize synchronous drilling of multiple drill bits and prevent workpiece vibration and displacement.

Benefits of technology

It enables efficient and precise multi-hole drilling, improves production efficiency, reduces labor costs and errors, and reduces the labor intensity of workers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a multi-drilling device which comprises a drilling machine, two strip-shaped supporting frames are oppositely arranged at the upper end of the drilling machine, strip-shaped movable clamping frames are connected to the sides, opposite to the strip-shaped supporting frames, of the upper end of the drilling machine in a sliding mode, and horizontal hydraulic cylinders are connected between the strip-shaped supporting frames and the corresponding strip-shaped movable clamping frames. The opposite sides of the strip-shaped movable clamping frames are rotationally connected with a plurality of vertically-arranged limiting rolling wheels, and conveying motors are installed at the two ends of the upper sides of the strip-shaped movable clamping frames. A strip-shaped installation frame is connected to the upper portions of the two strip-shaped movable clamping frames in a matched mode, a vertical hydraulic cylinder is downwards installed on the strip-shaped installation frame, a strip-shaped transmission shell is connected to the lower end of the vertical hydraulic cylinder, a plurality of installation sleeves are rotationally connected to the lower end of the strip-shaped transmission shell, and drill bits are detachably connected to the installation sleeves. And a driving motor for driving all the mounting sleeves to rotate synchronously is mounted on the outer side of the strip-shaped transmission shell. The multi-drill-bit synchronous drilling machine can conduct multi-drill-bit synchronous drilling at the same time, the working efficiency is greatly improved, and the labor cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to drilling device technical field relates to a kind of multi-drilling device. BACKGROUND

[0002] With the continuous improvement of production efficiency and machining precision requirements of modern industrial manufacturing, the limitations of traditional drilling equipment and technology are increasingly apparent. The standard drilling machine in the prior art is mostly designed to only install a single drill bit for operation. This design is sufficient when dealing with single or small number of drilling tasks. However, when facing application scenarios such as punching pipes that require multiple drilling operations on the same workpiece, the efficiency of traditional drilling machines is particularly low.

[0003] Each work can only complete the drilling of one hole. For multi-hole workpieces, the entire workpiece must be processed through multiple repeated positioning, clamping and drilling processes. This not only consumes a lot of time for adjusting the position of the workpiece and calibrating the drilling point, but also increases the probability of human error during the operation process, thereby affecting the quality consistency of the final product. In addition, repeated operations also increase the labor intensity of workers and limit the overall output capacity of the production line. SUMMARY

[0004] The purpose of the utility model is to provide a multi-drilling device that can simultaneously perform synchronized drilling with multiple drill bits, significantly improving work efficiency and reducing labor costs while meeting the demand for efficient and precise drilling.

[0005] To solve the above technical problems, the utility model provides a multi-drilling device, which includes a drilling machine. Two strip-shaped support frames are arranged on the upper end of the drilling machine along the length direction. A strip-shaped movable clamping frame is slidably connected to the opposite side of each strip-shaped support frame on the upper end of the drilling machine. A horizontal hydraulic cylinder is connected between each strip-shaped support frame and the corresponding strip-shaped movable clamping frame. A plurality of vertically arranged and lengthwise distributed limit rollers are rotatably connected to the opposite side of each strip-shaped movable clamping frame. A conveying motor is installed at both ends of the upper side of each strip-shaped movable clamping frame. The power output shaft of each conveying motor is connected to the limit roller at the corresponding end.

[0006] A strip-shaped mounting frame is connected above the two strip-shaped movable clamping frames. The strip-shaped mounting frame is installed with a plurality of downward arranged vertical hydraulic cylinders. The lower ends of the plurality of vertical hydraulic cylinders are connected to a strip-shaped transmission shell. The lower end of the strip-shaped transmission shell is rotatably connected to a plurality of lengthwise distributed mounting sleeves. Each mounting sleeve is detachably connected to a drill bit. A drive motor is installed on the outside of the strip-shaped transmission shell for driving the synchronous rotation of all mounting sleeves.

[0007] When the pipe or the strip-shaped workpiece needs to be drilled, the corresponding drill bit is installed or removed according to the requirement, when drilling, the pipe is inserted into one end of the two strip-shaped movable clamping frames, when the pipe contacts the limiting roller at the end, the pipe is driven to move inward, because the limiting roller at the end is driven to rotate by the conveying motor, when the pipe is completely located between the two strip-shaped movable clamping frames, the limiting rollers at the two sides are pushed inward to extrude the pipe by the horizontal hydraulic cylinder, so that vibration displacement of the pipe is prevented when drilling;

[0008] Then, the driving motor is driven to work, all the mounting sleeve pipes and the drill bit are driven to rotate, the vertical hydraulic cylinder is elongated to drive the strip-shaped transmission shell to move downward, the drill bit is gradually drilled on the pipe to form an opening, and finally, the pipe is outputted outward by the limiting roller at the other end which is driven to rotate by the conveying motor.

[0009] The utility model further sets up, every limiting roller is elastic rubber roller.

[0010] The utility model further sets up, the upper end of every strip-shaped support frame is provided with the baffle strip which is slidably connected with the upper end of the corresponding strip-shaped movable clamping frame.

[0011] The utility model further sets up, the upper end of every mounting sleeve pipe is provided with the transmission bevel gear in the strip-shaped transmission shell, the driving shaft is rotatably connected with the upper side of transmission bevel gear along the length direction in the strip-shaped transmission shell, a plurality of drive bevel gears are provided on the driving shaft and correspondingly engaged with the transmission bevel gear, and the power output shaft of the driving motor is connected with one end of the driving shaft.

[0012] The utility model further sets up, the side wall of every mounting sleeve pipe is connected with the threaded connecting pipe which is communicated with the inside and has the internal thread, every threaded connecting pipe is screw connected with the threaded clamping shaft, and the outer end of every threaded clamping shaft is provided with the knob.

[0013] The utility model further sets up, the outer side of every knob is inwardly provided with the internal hexagon socket.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] Firstly, the utility model utilizes the same driving motor to simultaneously drive the synchronous rotation of the plurality of drill bits arranged side by side, can simultaneously carry out the synchronous drilling of the plurality of drill bits, meets the efficient and accurate drilling requirement, greatly improves the work efficiency, and reduces the labor cost;

[0016] Secondly, the utility model discloses can push the pipe longitudinal movement through the limiting gyro wheel of end, can push the pipe transverse movement through the telescoping of horizontal hydraulic cylinder, to realize the pipe displacement in horizontal plane, carry out multi -position drilling adjustment, and can effectively clamp the pipe through the cooperation of two strip movable clamping frames, prevent the vibration displacement of pipe when drilling. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 For showing the connection of strip support frame and strip movable clamping frame;

[0019] Figure 3 It is the partial section view for showing the internal structure of strip transmission shell;

[0020] Figure 4 For showing the connection of mounting sleeve pipe and drill bit.

[0021] Wherein, 1, drilling machine;2, strip support frame;3, strip movable clamping frame;4, shielding strip;5, horizontal hydraulic cylinder;6, limiting gyro wheel;7, conveying motor;8, strip mounting frame;9, vertical hydraulic cylinder;10, strip transmission shell;11, mounting sleeve pipe;12, transmission bevel gear;13, drive shaft;14, drive bevel gear;15, drive motor;16, drill bit;17, threaded connecting pipe;18, threaded clamping shaft;19, knob;20, internal hexagonal socket. DETAILED DESCRIPTION

[0022] The utility model discloses a kind of multi-drilling devices, which is further detailed below in conjunction with drawings and specific examples.The advantages and features of the utility model will be clearer according to the following description.It should be noted that, drawings are all very simplified form and all use non-precise proportion, just to facilitate, clearly assist the purpose of explaining the embodiment of the utility model. Same or similar reference numerals in the drawings represent the same or similar parts.

[0023] Embodiment, refer to Figures 1-4The utility model provides a kind of multi-drilling device, including drilling machine 1, the upper end of drilling machine 1 is oppositely provided with two strip-shaped support frames 2 along its length direction, the upper end of drilling machine 1 is slidably connected with a strip-shaped movable clamping frame 3 on the opposite side of each strip-shaped support frame 2, the upper end of each strip-shaped support frame 2 is horizontally arranged with a shielding strip 4 slidably connected with the upper end of corresponding strip-shaped movable clamping frame 3, two horizontal hydraulic cylinders 5 are connected between each strip-shaped support frame 2 and corresponding strip-shaped movable clamping frame 3, and the strip-shaped movable clamping frame 3 is slid back and forth left and right by the extension and contraction of two horizontal hydraulic cylinders 5.

[0024] The upper side of each strip-shaped movable clamping frame 3 is rotatably connected with a plurality of limit rollers 6 vertically arranged and distributed along its length direction, each limit roller 6 is an elastic rubber roller, and each strip-shaped movable clamping frame 3 is provided with a conveying motor 7 at both ends of the upper side, the power output shaft of each conveying motor 7 is connected with the limit roller 6 at the corresponding end, so that the limit roller 6 at the end has an active conveying function, and the pipe does not need to be manually pushed into the two strip-shaped movable clamping frames 3.

[0025] The upper side of each strip-shaped movable clamping frame 3 is rotatably connected with a plurality of limit rollers 6 vertically arranged and distributed along its length direction, each limit roller 6 is an elastic rubber roller, and each strip-shaped movable clamping frame 3 is provided with a conveying motor 7 at both ends of the upper side, the power output shaft of each conveying motor 7 is connected with the limit roller 6 at the corresponding end, so that the limit roller 6 at the end has an active conveying function, and the pipe does not need to be manually pushed into the two strip-shaped movable clamping frames 3.

[0026] Use: when the pipe or strip workpiece needs to be drilled, first, the corresponding drill bit 16 is installed or removed according to the need, when drilling, first, the pipe is inserted from one end of the two strip-shaped movable clamping frames 3, when contacting the limiting roller 6 at the end, since the limiting roller 6 at the end is driven to rotate by the conveying motor 7, the pipe can be driven to move inward, after being completely located between the two strip-shaped movable clamping frames 3, the horizontal hydraulic cylinder 5 is extended to drive the limiting rollers 6 on both sides to move inward and press the pipe, so as to prevent the pipe from vibrating and moving during drilling;

[0027] Then, the driving motor 15 works, all the transmission bevel gears 12 are driven to rotate through the driving bevel gear 14 on the driving shaft 13, and then all the mounting sleeve pipes 11 and the drill bit 16 are driven to rotate, the vertical hydraulic cylinder 9 is extended to drive the strip-shaped transmission shell 10 to move downward, so that the drill bit 16 gradually drills the opening on the pipe, and finally, after completing the drilling, the pipe is outputted outward through the limiting roller 6 at the other end which is driven to rotate by the conveying motor 7.

[0028] It should be further pointed out that all the "arranged" and similar descriptions in the present application (especially the specification) express that there is a connection relationship between two structures, but the specific connection means is not limited too much, and is usually a conventional connection means, that is, it should be understood that the means is prior art, and does not need to be described too much. For example, "m is arranged with n", only expresses that m has n, and the specific connection between the two is through welding, riveting, adhesive connection or integral molding, which is within the protection scope of the present application; for example, "x is arranged with y", only expresses that y and x can rotate relative to each other, and as for whether the two are connected through a bearing or y directly penetrates x to be connected with x, or other realizable modes, which are within the protection scope of the present application.

[0029] The above description is only the description of the preferred embodiment of the present application, and is not any limitation on the scope of the present application, and any change and modification of the above-mentioned content by the person skilled in the art is within the protection scope of the claims.

Claims

1. A multi-drilling apparatus comprising a drilling machine (1), characterized in that, The upper end of the drill bed (1) is provided with two strip-shaped support frames (2) arranged along the length direction thereof, the upper end of the drill bed (1) is slidingly connected with a strip-shaped movable clamping frame (3) on the opposite side of each strip-shaped support frame (2), a horizontal hydraulic cylinder (5) is connected between each strip-shaped support frame (2) and the corresponding strip-shaped movable clamping frame (3), the opposite side of each strip-shaped movable clamping frame (3) is rotatably connected with a plurality of limit rollers (6) arranged vertically and along the length direction thereof, both ends of the upper side of each strip-shaped movable clamping frame (3) are provided with a conveying motor (7), and the power output shaft of each conveying motor (7) is connected with the limit roller (6) at the corresponding end. The upper sides of the two strip-shaped movable clamping frames (3) are connected with a strip-shaped mounting frame (8), the strip-shaped mounting frame (8) is provided with a plurality of vertical hydraulic cylinders (9) arranged downward, the lower ends of the plurality of vertical hydraulic cylinders (9) are connected with a strip-shaped transmission shell (10), the lower end of the strip-shaped transmission shell (10) is rotatably connected with a plurality of mounting sleeve pipes (11) distributed along the length direction thereof, each mounting sleeve pipe (11) is detachably connected with a drill bit (16), and the outer side of the strip-shaped transmission shell (10) is provided with a driving motor (15) for driving all the mounting sleeve pipes (11) to rotate synchronously.

2. A multi-bore apparatus as claimed in claim 1, wherein, Each limit roller (6) is an elastic rubber roller.

3. A multi-bore apparatus as claimed in claim 1, wherein, The upper end of each strip-shaped support frame (2) is provided with a blocking strip (4) slidingly connected with the upper end of the corresponding strip-shaped movable clamping frame (3) inward horizontally.

4. A multi-bore apparatus as claimed in claim 1, wherein, The upper end of each mounting sleeve pipe (11) is provided with a transmission bevel gear (12) arranged in the strip-shaped transmission shell (10), a driving shaft (13) arranged along the length direction thereof is rotatably connected above the transmission bevel gear (12) in the strip-shaped transmission shell (10), a plurality of driving bevel gears (14) corresponding to the transmission bevel gears (12) are arranged on the driving shaft (13), and the power output shaft of the driving motor (15) is connected with one end of the driving shaft (13).

5. A multi-bore apparatus as claimed in claim 1, wherein, The side wall of each mounting sleeve pipe (11) is connected with a threaded connecting pipe (17) in communication with the inside thereof and provided with an internal thread, each threaded connecting pipe (17) is threadedly connected with a threaded clamping shaft (18), and the outer end of each threaded clamping shaft (18) is provided with a knob (19).

6. A multiple bore apparatus as claimed in claim 5, wherein, The outer side of each knob (19) is inwardly provided with an internal hexagonal socket (20).