Automatic drilling and tapping tool for special-shaped pipe

Abstract

The utility model discloses an automatic drilling and tapping tool for special-shaped pipes, and relates to the technical field of automatic drilling and tapping tools for special-shaped pipes. Comprising a workbench, a fixing mechanism located above the workbench and a drilling mechanism connected with a controller. A fixing groove imitating the shape of a special-shaped pipe is formed in the fixing mechanism, and an air cylinder used for fixing the special-shaped pipe is arranged in the fixing mechanism. A front set of drilling equipment and a rear set of drilling equipment are arranged in the drilling mechanism, the special-shaped pipe is placed between the front set of drilling equipment and the rear set of drilling equipment, and more than one drilling machine is arranged in each set of drilling equipment. According to the automatic drilling tool, the special-shaped pipe is fixed firstly, then automatic drilling operation is achieved through the drilling mechanism, a plurality of holes can be drilled each time, holes in different sides are completed through the front drilling device and the rear drilling device respectively, and efficiency can be obviously improved; the fixing mechanism uses the combined action of a profiling groove and an air cylinder, clamping is very firm, the drilling mechanism operates according to an instruction of a controller, the drilling quality of special-shaped pipes of the same batch is stable, and the labor cost is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic drilling and tapping tooling for special-shaped pipes, in particular to an automatic drilling and tapping tooling for special-shaped pipes. Background Art

[0002] There are special-shaped parts in mechanical processing. There is generally no mature automated equipment available for the processing and production of such parts. It is mainly carried out by manual operation, and often requires the cooperation of multiple workers. Figure 6 The special-shaped tube shown needs to be drilled on the front and back sides respectively, and the hole diameters on both sides are different. Due to the special shape, it is unstable and cannot be laid flat for operation like ordinary tubes. The original processing method requires 1-2 people to assist in fixing and manually use the drilling machine to drill holes one by one. The holes on different sides need to be moved, and the drilling machine needs to be replaced for processing holes of different sizes. The entire special-shaped tube drilling process takes a long time, is very inefficient, and has high labor costs. In addition, there are manual operation errors, and product quality cannot be guaranteed. Utility Model Content

[0003] The utility model aims to provide an automatic drilling and tapping tool for special-shaped pipes to solve the problems raised in the above-mentioned background technology.

[0004] The specific technical scheme is as follows: an automatic drilling and tapping tool for special-shaped pipes, comprising: a workbench, a fixing mechanism located above the workbench, and a drilling mechanism connected to a controller; a fixing groove imitating the shape of the special-shaped pipe is constructed in the fixing mechanism, and a cylinder for fixing the special-shaped pipe is provided; two front and rear groups of drilling equipment are provided in the drilling mechanism, the special-shaped pipe is placed between the two groups of drilling equipment, and at least one drilling machine is provided in each group of drilling equipment.

[0005] Furthermore, it also includes: a transposition mechanism, which is connected to the controller and controls the drilling equipment to change the drilling position.

[0006] Furthermore, the drilling mechanism comprises: a front group drilling equipment, in which the front drill bit is installed on the front power head, the front power head is a servo power head, and the front power head is installed on the transposition mechanism.

[0007] Furthermore, in the transposition mechanism, the output end of the transposition cylinder is connected to the drilling machine mounting base, the drilling machine mounting base is fixedly connected to the slider, the guide rail is arranged on the workbench, and the slider is installed in a sliding manner with the guide rail.

[0008] Furthermore, a transposition buffer head is provided in the transposition mechanism, and the transposition buffer head is arranged at both ends of the guide rail.

[0009] Furthermore, the drilling mechanism also includes: a rear group drilling equipment, in which the rear power head is fixedly installed on the workbench, the rear power head is a pneumatic power head, the rear power head is equipped with a buffer and a limit switch, and the rear drill bit is installed on the rear power head.

[0010] Furthermore, a guide sleeve is provided at the front end of the rear power head.

[0011] Furthermore, the fixing mechanism includes: a middle fixing block, an upper clamping cylinder and a front pressing cylinder, the middle fixing block is provided with an L-shaped fixing groove, the upper clamping cylinder is located above the L-shaped fixing groove, and the front pressing cylinder is located on the opening side of the L-shaped fixing groove.

[0012] Furthermore, the upper clamping cylinder and the front pressing cylinder are symmetrically arranged.

[0013] Furthermore, the fixing mechanism also includes: an end fixing block and an end pressing cylinder, and the end pressing cylinder is located above the end fixing block.

[0014] Compared with the prior art, the automatic drilling and tapping tool for special-shaped pipes has the following beneficial effects: the automatic drilling tool first fixes the special-shaped pipe, and then realizes automatic drilling operation through the drilling mechanism. Multiple holes can be drilled each time, and the holes on different sides are completed respectively by the front and rear sets of drilling equipment, which can significantly improve efficiency; the fixing mechanism uses the profiling groove and the cylinder to work together, and the clamping is very tight. The drilling mechanism operates according to the controller instructions. The drilling quality of the same batch of special-shaped pipes is stable, and large-scale automated production can be carried out, which greatly reduces labor costs; the front and rear sets of drilling equipment can be equipped with different drill bits as needed to solve the problem of different hole sizes, and can also be equipped with a drilling and tapping integrated drill bit to process threaded holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the automatic drilling and tapping tooling for special-shaped pipes.

[0016] Figure 2 This is the left view of the automatic drilling and tapping tool for special-shaped pipes.

[0017] Figure 3 This is the main view of the automatic drilling and tapping tool for special-shaped pipes.

[0018] Figure 4 This is a top view of the automatic drilling and tapping tooling for special-shaped pipes.

[0019] Figure 5 for Figure 4 Sectional view at AA,

[0020] Figure 6 It is a schematic diagram of the structure of special-shaped pipe fittings.

[0021] Figure 7 This is a schematic diagram of a drilling and tapping drill bit.

[0022] In the figure:

[0023] 1. Special-shaped pipe fittings, 2. Workbench, 3. Fixing mechanism, 4. Drilling mechanism, 5. Transposition mechanism, 6. Controller, 101. Straight part, 102. End,

[0024] 301, middle fixing block, 302, end fixing block, 303, upper clamping cylinder, 304, end clamping cylinder, 305, front clamping cylinder, 306, L-shaped fixing groove,

[0025] 401, rear power head, 402, rear drill bit, 403, buffer, 404, limit switch, 405, guide sleeve, 406, front power head, 407, front drill bit, 408, front mounting plate,

[0026] 501, transposition cylinder, 502, guide rail, 503, slider, 504, transposition buffer head. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with the implementation mode and the accompanying drawings. Here, the schematic implementation mode of the utility model and its description are used to explain the utility model, but are not used as a limitation of the utility model.

[0028] In the description of the present invention, it should be noted that the terms "inside", "outside", "left" and "right" indicate directions or positional relationships based on the positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0029] Combination Figure 1 It is understood that an automatic drilling and tapping tool for special-shaped pipes includes: a workbench 2, a fixing mechanism 3 located above the workbench 2, and a drilling mechanism 4 connected to a controller 6; a fixing groove imitating the shape of the special-shaped pipe is constructed in the fixing mechanism 3, and a cylinder for fixing the special-shaped pipe is provided; the drilling mechanism 4 is provided with front and rear two groups of drilling equipment, the special-shaped pipe is placed between the two groups of drilling equipment, and at least one drilling machine is provided in each group of drilling equipment.

[0030] In one embodiment, it further includes: a position changing mechanism 5, which is connected to a controller 6 and controls the drilling equipment to change the drilling position.

[0031] In one embodiment, in combination Figure 3-4It is understood that the drilling mechanism 4 includes: a front group of drilling equipment, in which the front drill bit 407 is installed on the front power head 406, the front power head 406 is a servo power head, and the front power head 406 is installed on the transposition mechanism 5.

[0032] In one embodiment, in combination Figure 3 It is understood that in the transposition mechanism 5, the output end of the transposition cylinder 501 is connected to the drilling machine mounting base, the drilling machine mounting base is fixedly connected to the slider 503, the guide rail 502 is set on the workbench 2, and the slider 503 is installed in a sliding manner with the guide rail 502.

[0033] In one embodiment, the transposition mechanism 5 is further provided with a transposition buffer head 504 , and the transposition buffer head 504 is arranged at both ends of the guide rail 502 .

[0034] In one embodiment, in combination Figure 3-4 It is understood that the drilling mechanism 4 also includes: a rear group drilling equipment, in which a rear power head 401 is fixedly installed on the workbench 2, the rear power head 401 is a pneumatic power head, a buffer 403 and a limit switch 404 are installed on the rear power head 401, and a rear drill bit 402 is installed on the rear power head 401.

[0035] In one embodiment, a guide sleeve 405 is provided at the front end of the rear power head 401 .

[0036] In one embodiment, in combination Figure 2 , 4 As understood from Figure 5, the fixing mechanism 3 includes: a middle fixing block 301, an upper clamping cylinder 303 and a front pressing cylinder 305. The middle fixing block 301 is provided with an L-shaped fixing groove 306. The upper clamping cylinder 303 is located above the L-shaped fixing groove 306. The front pressing cylinder 305 is located on the opening side of the L-shaped fixing groove 306.

[0037] In one embodiment, the upper clamping cylinder 303 and the front pressing cylinder 305 are symmetrically arranged.

[0038] In one embodiment, the fixing mechanism 3 further includes: an end fixing block 302 and an end pressing cylinder 304 , and the end pressing cylinder 304 is located above the end fixing block 302 .

[0039] Embodiment 1: An automatic drilling and tapping tool for a special-shaped pipe, comprising: a workbench 2, a fixing mechanism 3 located above the workbench 2, and a drilling mechanism 4 connected to a controller 6; a fixing groove imitating the shape of the special-shaped pipe is constructed in the fixing mechanism 3, and a cylinder for fixing the special-shaped pipe is provided; the drilling mechanism 4 is provided with front and rear two sets of drilling equipment, the special-shaped pipe is placed between the front and rear two sets of drilling equipment, and at least one drilling machine is provided in each set of drilling equipment, and the special-shaped pipe is placed between the front and rear two sets of drilling equipment. Figure 1The drill bit installed on the drilling machine can be a single drilling drill bit, such as a center drill bit, a twist drill bit, a super-hard drill bit, etc.; it can also be a drilling and tapping integrated drill bit.

[0040] Example 2: Combination Figure 2-5 It is understood that, based on the structure of Example 1, it also includes: a shifting mechanism 5, the shifting mechanism 5 connected to the controller 6 controls the drilling equipment to change the drilling position; the fixing mechanism 3 includes: a middle fixing block 301, an upper clamping cylinder 303, a front clamping cylinder 305, an end fixing block 302 and an end clamping cylinder 304, the middle fixing block 301 is provided with an L-shaped fixing groove 306, the upper clamping cylinder 303 is located above the L-shaped fixing groove 306, the front clamping cylinder 305 is located on the opening side of the L-shaped fixing groove 306, the upper clamping cylinder 303 and the front clamping cylinder 305 are symmetrically arranged respectively; the end clamping cylinder 304 is located above the end fixing block 302.

[0041] Recombination Figure 6 The special-shaped pipe fitting 1 includes: a straight portion 101 and end portions 102 located at both ends of the straight portion 101 and inclined at a certain angle to the straight portion 101. Two upper clamping cylinders 303, front clamping cylinders 305 and end clamping cylinders 304 are provided, respectively and symmetrically arranged, and 0.6MPa air pressure is used to supply air to clamp various parts of the special-shaped pipe fitting 1 in sequence and clamp them firmly. The straight portion 101 is placed in the L-shaped fixing groove 306, the upper clamping cylinder 303 presses down to prevent the special-shaped pipe fitting 1 from moving upward, and the front clamping cylinder 305 presses backward to work together with the L-shaped fixing groove 306 to prevent it from moving forward and backward; the end fixing block 302 is arranged in an inclined manner, and the end clamping cylinder 304 is also arranged in an inclined manner, so as to facilitate the natural placement of the end portion 102 and avoid deformation due to force.

[0042] Embodiment 3: Based on the structure of embodiment 2, the drilling mechanism 4 includes: a front group drilling device and a rear group drilling device; in the front group drilling device, the front drill bit 407 is installed on the front power head 406, the front power head 406 is a servo power head, the front drill bit 407 is a hot melt drill, and the hole is drilled by high-speed rotation friction, and the front power head 406 is installed on the transposition mechanism 5; in the transposition mechanism 5, the output end of the transposition cylinder 501 is connected to the front mounting plate 408, the front power head 406 is installed on the front mounting plate 408, the front mounting plate 408 is fixedly connected to the slider 503, the guide rail 502 is set on the workbench 2, the slider 503 is slidably mounted with the guide rail 502, and the transposition cylinder 501 drives Down, the front mounting plate 408 moves smoothly along the guide rail 502; in the shifting mechanism 5, a shifting buffer head 504 is also provided, and the shifting buffer head 504 is arranged at both ends of the guide rail 502 to avoid collision during the drill bit shifting process; in the rear group drilling equipment, the rear power head 401 is fixedly installed on the workbench 2, the rear power head 401 is a pneumatic power head using 0.6MPa air pressure air supply, the rear power head 401 is equipped with a buffer 403 and a limit switch 404, the rear drill bit 402 is installed on the rear power head 401, and the rear drill bit 402 can use an ordinary drill bit; a guide sleeve 405 is provided at the front end of the rear power head 401 to prevent the rear drill bit 402 from slipping or drilling off when it touches the special-shaped pipe fitting 1.

[0043] The upper clamping cylinder 303, the front pressing cylinder 305 and the end pressing cylinder 304 in the fixing mechanism 3 are respectively connected to the controller 6; the transposition cylinder 501 in the transposition mechanism 5 is connected to the controller 6; the front power head 406 and the rear power head 401 in the drilling mechanism 4 are respectively connected to the controller 6, and the controller 6 is equipped with a control system to realize automatic drilling operation.

[0044] The automatic drilling is roughly as follows: first place the special-shaped pipe fitting 1 in the fixing mechanism 3; then press the start switch, and the upper clamping cylinder 303, the front clamping cylinder 305 and the end clamping cylinder 304 act in sequence to clamp the special-shaped pipe fitting 1; then the rear power head 401 is controlled by the program to rotate and move forward to start drilling, move to a certain position, touch the limit switch 404, and the drilling is completed, and start to retreat to the initial position. The rear drill bit 402 can use an ordinary drill bit; then the front power head 406 starts to rotate and moves forward by the distance set by the controller After moving to a certain distance and returning to the initial position, the position is changed through the transposition cylinder 501, and the drilling starts again, and returns to the initial position. A servo front power head 406 cooperates with a transposition cylinder 501 to solve the drilling task of holes of the same size at different positions. The forward speed of the servo power head is adjustable, which can be fast or slow, and is easy to control to achieve smooth transposition. Finally, after the drilling is completed, all the cylinders in the fixing mechanism 3 are released, and the workpiece is taken away manually. The workpiece to be drilled is put in again, and the above-mentioned automatic drilling process is entered after the switch is turned on.

[0045] The front drill bit 407 can be a drilling and tapping integrated drill bit, the front end of which is used for drilling holes, and the middle section is provided with a threaded tapping section, and the structure is as follows: Figure 7 As shown, a threaded hole can be directly processed on the front side of the special-shaped pipe 1.

[0046] The automatic drilling tool first fixes the special-shaped pipe, and then realizes the automatic drilling operation through the drilling mechanism 4. Multiple holes can be drilled each time, and the holes on different sides are completed respectively by the front and rear groups of drilling equipment, which can significantly improve the efficiency; the fixing mechanism 3 uses the profiling groove and the cylinder to work together, and the clamping is very tight. The drilling mechanism 4 operates according to the instructions of the controller 6. The drilling quality of the same batch of special-shaped pipes is stable, and large-scale automated production can be carried out, which greatly reduces the labor cost; the front and rear groups of drilling equipment can be equipped with different drill bits as needed to solve the problem of different hole sizes.

[0047] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. An automatic drilling and tapping tool for special-shaped pipes, comprising: A workbench (2), a fixing mechanism (3) located above the workbench (2), and a drilling mechanism (4) connected to a controller (6), characterized in that: The fixing mechanism (3) is constructed with a fixing groove imitating the shape of the special-shaped tube, and is provided with a cylinder for fixing the special-shaped tube. The drilling mechanism (4) is provided with two groups of front and rear drilling equipment, the special-shaped pipe is placed between the two groups of front and rear drilling equipment, and at least one drilling machine is arranged in each group of drilling equipment.

2. The automatic drilling and tapping tool for special-shaped pipes according to claim 1, characterized in that: Also includes: A position changing mechanism (5) connected to a controller (6) controls the drilling device to change the drilling position.

3. The automatic drilling and tapping tool for special-shaped pipes according to claim 2, characterized in that: The drilling mechanism (4) comprises: a front group drilling device, in which a front drill bit (407) is mounted on a front power head (406), the front power head (406) is a servo power head, and the front power head (406) is mounted on a position change mechanism (5).

4. The automatic drilling and tapping tool for special-shaped pipes according to claim 3, characterized in that: In the transposition mechanism (5), the output end of the transposition cylinder (501) is connected to the drilling machine mounting base, the drilling machine mounting base is fixedly connected to the slider (503), the guide rail (502) is arranged on the workbench (2), and the slider (503) and the guide rail (502) are slidably mounted.

5. The automatic drilling and tapping tool for special-shaped pipes according to claim 4, characterized in that: The transposition mechanism (5) is also provided with a transposition buffer head (504), which is arranged at both ends of the guide rail (502).

6. The automatic drilling and tapping tool for special-shaped pipes according to claim 3, characterized in that: The drilling mechanism (4) further comprises: a rear group drilling device, in which a rear power head (401) is fixedly mounted on the workbench (2), the rear power head (401) is a pneumatic power head, a buffer (403) and a limit switch (404) are mounted on the rear power head (401), and a rear drill bit (402) is mounted on the rear power head (401).

7. The automatic drilling and tapping tool for special-shaped pipes according to claim 6, characterized in that: A guide sleeve (405) is provided at the front end of the rear power head (401).

8. The automatic drilling and tapping tool for special-shaped pipes according to any one of claims 1 to 7, characterized in that: The fixing mechanism (3) comprises: a middle fixing block (301), an upper clamping cylinder (303) and a front pressing cylinder (305); the middle fixing block (301) is provided with an L-shaped fixing groove (306); the upper clamping cylinder (303) is located above the L-shaped fixing groove (306); and the front pressing cylinder (305) is located on one side of the opening of the L-shaped fixing groove (306).

9. The automatic drilling and tapping tool for special-shaped pipes according to claim 8, characterized in that: The upper clamping cylinder (303) and the front pressing cylinder (305) are symmetrically arranged.

10. The automatic drilling and tapping tool for special-shaped pipes according to claim 8, characterized in that: The fixing mechanism (3) further comprises: an end fixing block (302) and an end pressing cylinder (304), wherein the end pressing cylinder (304) is located above the end fixing block (302).

Images