Tapping equipment with positioning device

Abstract

The present invention discloses a tapping device with a positioning device, wherein at least one side of a tooling platform is provided with a tapping device and a positioning mechanism, the tapping device is provided with a tapping mechanism that moves toward or away from the tooling platform, and the tapping mechanism has one or more tool handles clamped with a tapping drill; the positioning mechanism includes a positioning plate fixed to the tooling platform or the tapping device, the positioning plate is between the tapping mechanism and the processing surface of the workpiece, and the positioning plate is positioned and matched with the processing surface of the workpiece; the positioning plate is provided with one or more positioning holes, and the positioning holes are distributed and arranged correspondingly according to the processing positions set for the workpiece, and each tool handle of the tapping mechanism is movably inserted into the corresponding positioning holes, and the tool handle and the positioning hole are gap-matched. Compared with the prior art, this tapping device can assemble the tapping device according to processing needs, realize single-sided, double-sided and three-sided tapping processing, reduce equipment costs, and improve processing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of tapping equipment, and in particular to a tapping equipment with a positioning device. Background Art

[0002] Tapping machine is a kind of mechanical processing equipment that processes internal threads, screws or thread buttons on the inner side of the holes of various parts with different specifications of through holes or blind holes, such as machine housings, equipment end faces, nuts, flanges, etc. Tapping machine is also called tapping machine, thread tapping machine, thread tapping machine, automatic tapping machine, etc.

[0003] In the hardware processing technology, it is often necessary to tap two or more processing surfaces of the same workpiece. Vertical or horizontal tapping machines are often used to process each processing surface of the workpiece one by one, and each processing surface needs to be dotted once before tapping to determine the target processing position. Using these single-sided tapping equipment for multi-sided tapping has the disadvantages of long processing cycle and high processing cost. In addition, errors are prone to occur when changing workpieces and manually dotting molds, resulting in deviations in tapping positions and difficulty in ensuring processing quality. Therefore, it is necessary to improve it. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a tapping equipment with a positioning device, so as to realize tapping on two or three sides of the same workpiece in the same tapping cycle, shorten the processing cycle, and improve production efficiency; eliminate the need for mold dotting, reduce the equipment cost of the dotting mold, and further improve efficiency.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a tapping device with a positioning device, the tapping device includes a tooling platform for tooling to position the workpiece, at least one side of the tooling platform is provided with a tapping device and a positioning mechanism, the tapping device is provided with a tapping mechanism for moving toward or away from the tooling platform, the tapping mechanism has one or more tool holders clamped with a tapping drill; the positioning mechanism includes a positioning plate fixed to the tooling platform or the tapping device, the positioning plate is between the tapping mechanism and the processing surface of the workpiece, and the positioning plate is positioned and matched with the processing surface of the workpiece; the positioning plate is provided with one or more positioning holes, and the positioning holes are distributed and arranged accordingly according to the processing position set for the workpiece, and the tool holders of the tapping mechanism are respectively movably inserted into the corresponding positioning holes, and the tool holders and the positioning holes are gap-matched.

[0006] In a further technical solution, the tapping equipment includes a replaceable single-sided tapping assembly structure, a double-sided tapping assembly structure and a three-sided tapping assembly structure, wherein:

[0007] A single-sided tapping assembly structure, a positioning mechanism and a tapping device are arranged on one side of the tooling platform, the workpiece has a processing surface, the processing surface of the workpiece is clamped and positioned on the tooling platform facing the tapping device, the positioning plate of the positioning mechanism is distributed with one or more positioning holes, the distribution structure of the positioning holes matches the tapping position and tapping quantity set on this processing surface, and each positioning hole is movably interspersed with a tool handle and a tapping drill.

[0008] A double-sided tapping assembly structure, a positioning mechanism and a tapping device are respectively arranged on the opposite or adjacent sides of the tooling platform, the workpiece has two opposite or adjacent processing surfaces, the two processing surfaces have the same or different tapping specification requirements, the two processing surfaces of the workpiece are respectively clamped and positioned on the tooling platform facing the corresponding tapping devices, the positioning plate of the positioning mechanism is distributed with one or more positioning holes, the distribution structure of the positioning holes matches the tapping position and tapping quantity set for the corresponding processing surface, and each positioning hole is movably interspersed with a tool handle and a tapping drill.

[0009] A three-sided tapping assembly structure, wherein a positioning mechanism and a tapping device are respectively arranged on the three horizontal sides of the tooling platform, and processing surfaces are respectively arranged on the three horizontal sides of the workpiece, and the three processing surfaces have the same or different tapping specification requirements, respectively. The three processing surfaces of the workpiece are respectively clamped and positioned on the tooling platform facing the corresponding tapping devices, and the positioning plate of the positioning mechanism is distributed with one or more positioning holes, and the distribution structure of the positioning holes matches the tapping position and the tapping quantity set for the corresponding processing surface, and each positioning hole is movably interspersed with a tool handle and a tapping drill.

[0010] In a further technical solution, the tapping mechanism includes a tapping machine frame, which moves toward or away from the tooling platform. A drill tooling mechanism is arranged on the front side of the tapping machine frame. The drill tooling mechanism includes multiple tool handle support rods in the same vertical plane. Each tool handle support rod is slidably installed on the tapping machine frame. A locking structure is arranged between each tool handle support rod and the tapping machine frame. A tool handle and a tapping drill are arranged at the end of each tool handle support rod, and the axes of each tapping drill are parallel. The positioning plate is provided with multiple positioning holes, and the distribution structure of the positioning holes matches the tapping position and tapping quantity set for the corresponding processing surface. Each tool handle is movably inserted and fixed in the corresponding positioning hole to form a set drill tool.

[0011] In a further technical solution, a tool handle support rod connecting groove is opened on the front side of the tapping machine frame, and the tool handle support rod connecting groove includes a horizontal part and a vertical part. The tool handle support rod is opened with a tool handle support rod adjustment groove along its length direction. A fastening bolt is slidably arranged in the tool handle support rod adjustment groove. The fastening bolt is slidably connected to the tool handle support rod connecting groove, and the tool handle support rod is fastened to the horizontal part or the vertical part of the tool handle support rod connecting groove by the fastening bolt.

[0012] In a further technical solution, the tapping mechanism includes a drill drive device, which includes at least one double-axle extension motor, with an output shaft respectively arranged on both sides of the double-axle extension motor, and the output shafts are respectively connected to the corresponding tapping drill through a flexible shaft transmission.

[0013] In a further technical solution, a plurality of tool handles are inserted into each positioning hole of the same positioning plate, and different tool handles are respectively connected with tapping drills of the same or different specifications.

[0014] In a further technical solution, the positioning mechanism includes a positioning frame, which is fixed to the side of the tooling platform. A positioning plate tooling mechanism is arranged on the side of the positioning frame close to the tooling platform. The positioning plate tooling mechanism includes at least two positioning plate support rods in the same vertical plane. Each positioning plate support rod is slidably installed on the positioning frame. A locking structure is arranged between each positioning plate support rod and the positioning frame. A connecting handle is arranged at the end of each positioning plate support rod. The axis of each connecting handle is parallel to the axis of the tool handle. At least two connecting holes are opened on the edge of the positioning plate, and each connecting handle is inserted into and fastened to the corresponding connecting hole.

[0015] In a further technical solution, a positioning plate support rod connecting groove is opened on the front side of the positioning frame, and the positioning plate support rod connecting groove includes a horizontal part and a vertical part. The positioning plate support rod is opened with a positioning plate support rod adjustment groove along its length direction. The positioning plate support rod adjustment groove is slidably provided with a fastening bolt, and the fastening bolt is slidably connected to the positioning plate support rod connecting groove. The positioning plate support rod is fastened to the horizontal part or the vertical part of the positioning plate support rod connecting groove by the fastening bolt.

[0016] In a further technical solution, the table top of the tooling platform is provided with a workpiece positioning mechanism, which is respectively located at the side blocks on the left and right sides of the tooling platform, the rear block located at the rear side of the tooling platform and the clamping block located at the front side of the tooling platform. The two side blocks, the rear block and the inner side of the clamping block are surrounded to form a positioning portion for the tooling workpiece. The clamping block is connected to a clamping drive device, which is configured as a pneumatic cylinder or an electric cylinder.

[0017] In a further technical solution, the tooling platform is provided with a drill chip cleaning device, which includes an air pump device and a plurality of jet pipes respectively connected to the air pump device, and the jet ports of the jet pipes are directed toward the front side of the positioning plate or the surface to be processed of the workpiece.

[0018] After adopting the above structure, the advantages of the present invention compared with the prior art are: the present invention provides a tapping device with a positioning device, which is combined and assembled between a multi-axis tapping device and a tooling fixture device to achieve tapping of two or three processing surfaces of a workpiece in the same tapping cycle, eliminating the need to change the processing surface of the workpiece and improving processing efficiency; in addition, by fixing the tool holder on the drilling positioning plate, the target processing position of each drill bit is accurately positioned, the mold dotting process is eliminated, the processing efficiency is further improved, the dotting mold cost is saved, and the enterprise benefits are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of the double-sided tapping assembly structure of the present invention.

[0021] Figure 2 It is a structural schematic diagram of the tapping device of the present invention.

[0022] Figure 3 It is a top view of the double-sided tapping assembly structure of the present invention.

[0023] Figure 4 It is a top view of the three-sided tapping assembly structure of the present invention. DETAILED DESCRIPTION

[0024] The following are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

[0025] A tapping device with a positioning device, such as Figures 1 to 3 As shown, the tapping equipment includes a tooling platform 1 for tooling to position the workpiece, at least one side of the tooling platform 1 is provided with a tapping device 3 and a positioning mechanism, the tapping device 3 is provided with a tapping mechanism that moves toward or away from the tooling platform 1, and the tapping mechanism has one or more tool handles clamped with a tapping drill 33; the positioning mechanism includes a positioning plate 22 fixed to the tooling platform 1 or the tapping device 3, the positioning plate 22 is located between the tapping mechanism and the processing surface of the workpiece, and the positioning plate 22 is positioned and matched with the processing surface of the workpiece; the positioning plate 22 is provided with one or more positioning holes 220, and the positioning holes 220 are distributed and arranged accordingly according to the processing position set for the workpiece, and the tool handles of the tapping mechanism are respectively movably inserted into the corresponding positioning holes 220, and the tool handles and the positioning holes 220 are clearance-matched.

[0026] This tapping equipment can transform the assembly of the tapping device 3 according to the processing requirements of the workpiece, and can be assembled into a single-sided tapping machine, a double-sided tapping machine or a three-sided tapping machine, thereby reducing the equipment cost of the enterprise and improving the efficiency. In addition, the tapping drill 33 is positioned by the positioning plate 22 to ensure that the processing hole structure of each workpiece remains consistent, improve the consistency of the product, and eliminate the mold dotting process, further shorten the processing cycle, and save the equipment cost of the dotting mold.

[0027] The positioning principle of the positioning plate 22 is that the tapping drill 33 moves in and out of the positioning hole 220 of the positioning plate 22 during tapping, so that the tapping drill 33 maintains a relatively accurate tapping position after multiple tappings, avoiding the influence of the polarization of the whole machine on the tooling position of the tapping drill 33. The positioning plate 22 and the processing surface of the workpiece are relatively fixed, and the positioning plate 22 is a replaceable component. The distribution structure of the positioning holes 220 of the positioning plate 22 is in a projective relationship with the position to be tapped on the processing surface. Under the positioning effect of the positioning holes 220, the tapping drill 33 can accurately process the set tapping position without the need for mold dotting, eliminating the mold dotting process after the workpiece is replaced, shortening the processing cycle, and saving the equipment cost of the dotting mold.

[0028] Specifically, the tapping equipment includes a replaceable single-sided tapping assembly structure, a double-sided tapping assembly structure and a three-sided tapping assembly structure. Among them, in the single-sided tapping assembly structure, a positioning mechanism and a tapping device 3 are provided on one side of the tooling platform 1. The workpiece has a processing surface, and the processing surface of the workpiece is clamped and positioned on the tooling platform 1 facing the tapping device 3. The positioning plate 22 of the positioning mechanism is distributed with one or more positioning holes 220. The distribution structure of the positioning holes 220 matches the tapping position and tapping quantity set on this processing surface. Each positioning hole 220 is movably interspersed with a tool handle and a tapping drill 33.

[0029] Double-sided tapping assembly structure, such as Figure 3 As shown, a positioning mechanism and a tapping device 3 are respectively provided on the opposite or adjacent sides of the tooling platform 1, and the workpiece has two opposite or adjacent processing surfaces, and the two processing surfaces have the same or different tapping specification requirements. The two processing surfaces of the workpiece are respectively clamped and positioned on the tooling platform 1 facing the corresponding tapping devices 3, and the positioning plate 22 of the positioning mechanism is distributed with one or more positioning holes 220, and the distribution structure of the positioning holes 220 matches the tapping position and tapping quantity set for the corresponding processing surface, and each positioning hole 220 is movably interspersed with a tool handle and a tapping drill 33.

[0030] Three-sided tapping assembly structure, such as Figure 4As shown, a positioning mechanism and a tapping device 3 are respectively provided on the three sides in the horizontal direction of the tooling platform 1, and processing surfaces are respectively provided on the three sides in the horizontal direction of the workpiece. The three processing surfaces have the same or different tapping specification requirements, and the three processing surfaces of the workpiece are respectively clamped and positioned on the tooling platform 1 facing the corresponding tapping devices 3. The positioning plate 22 of the positioning mechanism is distributed with one or more positioning holes 220. The distribution structure of the positioning holes 220 matches the tapping position and tapping quantity set for the corresponding processing surface, and each positioning hole 220 is movably interspersed with a tool handle and a tapping drill 33.

[0031] The tapping equipment provided in this embodiment can be replaced with a single-sided tapping assembly structure, a double-sided tapping assembly structure and a three-sided tapping assembly structure according to production needs, so as to perform tapping processing on one processing surface, and to tap two or three processing surfaces of a workpiece in the same tapping cycle, thereby eliminating the need to replace the processing surface of the workpiece and improving processing efficiency.

[0032] Specifically, Figure 2 As shown, the tapping mechanism includes a tapping machine frame 31, and the tapping machine frame 31 moves toward or away from the tooling platform 1. A drill tooling mechanism is arranged on the front side of the tapping machine frame 31, and the drill tooling mechanism includes a plurality of tool handle support rods 32 in the same vertical plane, and each tool handle support rod 32 is slidably installed on the tapping machine frame 31, and a locking structure is arranged between each tool handle support rod 32 and the tapping machine frame 31, and a tool handle and a tapping drill 33 are arranged at the end of each tool handle support rod 32, and the axes of each tapping drill 33 are parallel; the positioning plate 22 is provided with a plurality of positioning holes 220, and the distribution structure of the positioning holes 220 matches the tapping position and the tapping quantity set for the corresponding processing surface, and each tool handle is movably inserted and fixed in the corresponding positioning hole 220 to form a set drill tool.

[0033] Specifically, a tool handle support rod connection groove 310 is provided on the front side of the tapping machine frame 31, and the tool handle support rod connection groove 310 includes a horizontal part and a vertical part. The tool handle support rod 32 is provided with a tool handle support rod adjustment groove 320 along its length direction. The tool handle support rod adjustment groove 320 is slidably provided with a fastening bolt 321, and the fastening bolt 321 is slidably connected to the tool handle support rod connection groove 310. The tool handle support rod 32 is fastened to the horizontal part or the vertical part of the tool handle support rod connection groove 310 by the fastening bolt 321. This tool handle tooling structure can quickly complete the adjustment of the processing position of the tapping drill 33, improve the applicability of the whole machine, and the spacing between adjacent processing holes can be less than 20mm, with high precision.

[0034] Specifically, the tapping mechanism includes a drill drive device, which includes at least one double-axle extension motor 34. An output shaft is respectively provided on both sides of the double-axle extension motor 34, and the output shafts are respectively connected to the corresponding tapping drill 33 through a flexible shaft transmission.

[0035] Specifically, each positioning hole 220 of the same positioning plate 22 is respectively inserted with a plurality of tool handles, and different tool handles are respectively plugged with tapping drills 33 of the same or different specifications. In order to meet different types of drilling or tapping processing on the same processing surface, the tapping drills 33 can be replaced according to production requirements, further improving the applicability of multi-axis processing and meeting different processing requirements.

[0036] Specifically, the positioning mechanism includes a positioning frame 2, which is fixed to the side of the tooling platform 1. A positioning plate tooling mechanism is provided on the side of the positioning frame 2 close to the tooling platform 1. The positioning plate tooling mechanism includes at least two positioning plate support rods 21 in the same vertical plane. Each positioning plate support rod 21 is slidably installed on the positioning frame 2. A locking structure is provided between each positioning plate support rod 21 and the positioning frame 2. A connecting handle is provided at the end of each positioning plate support rod 21, and the axis of each connecting handle is parallel to the axis of the tool handle; at least two connecting holes 221 are opened on the edge of the positioning plate 22, and each connecting handle is inserted and fastened to the corresponding connecting hole 221. The positioning plate 22 is a replaceable component. The positioning plate 22 needs to be appropriately matched according to the processing position of the processing surface. Before processing, the position of the positioning plate 22 needs to be calibrated once. Specifically, each positioning hole 220 of the positioning plate 22 is projected and aligned with the set processing position. After the position of the positioning plate 22 is calibrated once, the mold-free dotting process of multiple workpieces can be realized.

[0037] Specifically, a positioning plate support rod connecting groove 20 is opened on the front side of the positioning frame 2, and the positioning plate support rod connecting groove 20 includes a horizontal part and a vertical part. A positioning plate support rod 21 is opened along its length direction. A positioning plate support rod adjustment groove 210 is slidably provided with a fastening bolt 321 in the positioning plate support rod adjustment groove 210. The fastening bolt 321 is slidably connected to the positioning plate support rod connecting groove 20. The positioning plate support rod 21 is fastened to the horizontal part or the vertical part of the positioning plate support rod connecting groove 20 by the fastening bolt 321.

[0038] Specifically, the table top of the tooling platform 1 is provided with a workpiece positioning mechanism, which is respectively located at the side blocks 12 on the left and right sides of the tooling platform 1, the rear block 1 located at the rear side of the tooling platform 1, and the clamping block 13 located at the front side of the tooling platform 1. The two side blocks 12, the rear block 1 and the inner side of the clamping block 13 surround a positioning portion for the tooling workpiece. The clamping block 13 is connected to a clamping drive device, which is configured as a cylinder 14 or an electric cylinder.

[0039] Specifically, the tooling platform 1 is provided with a drill chip cleaning device, which includes an air pump device and a plurality of jet pipes respectively connected to the air pump device, and the jet ports of the jet pipes face the front side of the positioning plate 22 or the processing surface of the workpiece.

[0040] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The content of this specification should not be understood as limiting the present invention.

Claims

1. A tapping device with a positioning device, characterized in that: The tapping device comprises a tooling platform (1) for tooling and positioning a workpiece, wherein at least one side of the tooling platform (1) is provided with a tapping device (3) and a positioning mechanism. The tapping device (3) is provided with a tapping mechanism that moves toward or away from the tooling platform (1), and the tapping mechanism has one or more tool handles on which the tapping drill (33) is clamped; The positioning mechanism comprises a positioning plate (22) fixed to the tooling platform (1) or the tapping device (3), the positioning plate (22) being located between the tapping mechanism and the processing surface of the workpiece, and the positioning plate (22) is in positioning cooperation with the processing surface of the workpiece; The positioning plate (22) is provided with one or more positioning holes (220), the positioning holes (220) are distributed and arranged correspondingly according to the processing positions set for the workpiece, and the tool handles of the tapping mechanism are movably inserted into the corresponding positioning holes (220), and the tool handles and the positioning holes (220) are clearance-matched; The positioning mechanism comprises a positioning frame (2), the positioning frame (2) being fixed to the side of the tooling platform (1), a positioning plate tooling mechanism being arranged on the side of the positioning frame (2) close to the tooling platform (1), the positioning plate tooling mechanism comprising at least two positioning plate support rods (21) being located in the same vertical plane, each positioning plate support rod (21) being slidably mounted on the positioning frame (2), a locking structure being arranged between each positioning plate support rod (21) and the positioning frame (2), a connecting handle being arranged at the end of each positioning plate support rod (21), and an axis of each connecting handle being parallel to an axis of a tool handle; At least two connection holes (221) are formed on the edge of the positioning plate (22), and each connection handle is respectively inserted into and fastened to a corresponding connection hole (221); A positioning plate support rod connecting groove (20) is provided on the front side of the positioning frame (2), the positioning plate support rod connecting groove (20) includes a horizontal portion and a vertical portion, a positioning plate support rod (21) is provided with a positioning plate support rod adjustment groove (210) along its length direction, a fastening bolt (321) is slidably provided in the positioning plate support rod adjustment groove (210), the fastening bolt (321) is slidably connected to the positioning plate support rod connecting groove (20), and the positioning plate support rod (21) is fastened to the horizontal portion or the vertical portion of the positioning plate support rod connecting groove (20) by the fastening bolt (321).

2. A tapping device with a positioning device according to claim 1, characterized in that: The tapping equipment includes a replaceable single-sided tapping assembly structure, a double-sided tapping assembly structure and a three-sided tapping assembly structure, wherein: A single-sided tapping assembly structure, wherein a positioning mechanism and a tapping device (3) are provided on one side of the tooling platform (1), the workpiece has a processing surface, the processing surface of the workpiece is clamped and positioned on the tooling platform (1) facing the tapping device (3), a positioning plate (22) of the positioning mechanism is distributed with one or more positioning holes (220), the distribution structure of the positioning holes (220) matches the tapping position and the tapping quantity set on the processing surface, and each positioning hole (220) is movably interspersed with a tool handle and a tapping drill (33); A double-sided tapping assembly structure, wherein a positioning mechanism and a tapping device (3) are respectively arranged on opposite or adjacent sides of a tooling platform (1), a workpiece has two opposite or adjacent processing surfaces, the two processing surfaces respectively have the same or different tapping specification requirements, the two processing surfaces of the workpiece are respectively clamped and positioned on the tooling platform (1) facing the corresponding tapping devices (3), a positioning plate (22) of the positioning mechanism is distributedly provided with one or more positioning holes (220), the distribution structure of the positioning holes (220) matches the tapping position and tapping quantity set for the corresponding processing surface, and each positioning hole (220) is respectively movably interspersed with a tool handle and a tapping drill (33); A three-sided tapping assembly structure, wherein a positioning mechanism and a tapping device (3) are respectively arranged on three horizontal side portions of a tooling platform (1), and processing surfaces are respectively arranged on three horizontal side portions of a workpiece, wherein the three processing surfaces have the same or different tapping specification requirements, and the three processing surfaces of the workpiece are respectively clamped and positioned on the tooling platform (1) facing the corresponding tapping devices (3). A positioning plate (22) of the positioning mechanism is distributedly provided with one or more positioning holes (220), and the distribution structure of the positioning holes (220) matches the tapping position and the tapping quantity set for the corresponding processing surface, and each positioning hole (220) is movably interspersed with a tool handle and a tapping drill (33).

3. A tapping device with a positioning device according to claim 1 or 2, characterized in that: The tapping mechanism comprises a tapping machine frame (31), the tapping machine frame (31) moves toward or away from the tooling platform (1), a drill tooling mechanism is arranged on the front side of the tapping machine frame (31), the drill tooling mechanism comprises a plurality of tool handle support rods (32) located on the same vertical plane, each tool handle support rod (32) is slidably mounted on the tapping machine frame (31), a locking structure is arranged between each tool handle support rod (32) and the tapping machine frame (31), a tool handle and a tapping drill (33) are arranged at the end of each tool handle support rod (32), and the axes of each tapping drill (33) are parallel; The positioning plate (22) is provided with a plurality of positioning holes (220), the distribution structure of the positioning holes (220) matches the tapping positions and tapping quantities set for the corresponding processing surface, and each tool handle is movably inserted and fixed in the corresponding positioning hole (220) to form a set drilling tool fixture.

4. The tapping device with a positioning device according to claim 3, characterized in that: A tool handle support rod connecting groove (310) is provided on the front side of the tapping machine frame (31), and the tool handle support rod connecting groove (310) includes a horizontal portion and a vertical portion. The tool handle support rod (32) is provided with a tool handle support rod adjustment groove (320) along its length direction. A fastening bolt (321) is slidably provided in the tool handle support rod adjustment groove (320), and the fastening bolt (321) is slidably connected to the tool handle support rod connecting groove (310). The tool handle support rod (32) is fastened to the horizontal portion or the vertical portion of the tool handle support rod connecting groove (310) by the fastening bolt (321).

5. The tapping device with a positioning device according to claim 4, characterized in that: The tapping mechanism comprises a drill drive device, which comprises at least one double-axle extension motor (34), with an output shaft respectively provided on both sides of the double-axle extension motor (34), and the output shafts respectively connected to the corresponding tapping drill (33) through a flexible shaft transmission.

6. The tapping device with a positioning device according to claim 5, characterized in that: A plurality of tool handles are inserted through each of the positioning holes (220) of the same positioning plate (22), and different tool handles are respectively plugged with the tapping drills (33) of the same or different specifications.

7. The tapping device with a positioning device according to claim 1, characterized in that: The tabletop of the tooling platform (1) is provided with a workpiece positioning mechanism, which is respectively located at the side blocks (12) on the left and right sides of the tooling platform (1), the rear block (1) located at the rear side of the tooling platform (1), and the clamping block (13) located at the front side of the tooling platform (1). The inner sides of the two side blocks (12), the rear block (1) and the clamping block (13) are surrounded to form a positioning portion for the tooling workpiece. The pressing block (13) is connected to a pressing drive device, which is configured as a cylinder (14) or an electric cylinder.

8. The tapping device with a positioning device according to claim 1, characterized in that: The tooling platform (1) is provided with a drill chip cleaning device, which comprises an air pump device and a plurality of jet pipes respectively connected to the air pump device, wherein the jet ports of the jet pipes face the front side surface of the positioning plate (22) or the processing surface of the workpiece.

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