CN209050466U - A kind of drilling and tapping automatic device of porous part - Google Patents

Abstract

The utility model relates to a kind of drilling and tapping automatic devices of porous part, including workbench；Turntable is set on workbench and workbench can rotate horizontally relatively, circumferentially spaced at the neighbouring disk edge to be disposed with multiple operation positions, and the fixture of positioning workpiece is respectively provided on each operation position；At least two operating mechanisms, on workbench and neighbouring disk edge is arranged, each operating mechanism includes mobile mechanism and in mobile mechanism and can be with the cutter-exchange mechanism of mobile mechanism's synchronizing moving, the mobile mechanism can opposed jaw up and down, front and back and move left and right, the cutter-exchange mechanism includes at least two groups tool changing component for clamping the mainshaft mechanism of cutter and switching cutter for mainshaft mechanism.The utility model can adjust the position of cutter-exchange mechanism by mobile mechanism, make the clamp port of mainshaft mechanism always towards workpiece, so that the hole that cutter can be to be processed in alignment pieces always, improves machining accuracy.

Description

A kind of drilling and tapping automatic device of porous part

Technical field

The utility model belongs to technical field of mechanical processing, and in particular to a kind of drilling and tapping of porous part fills automatically It sets.

Background technique

As labour is in short supply and the increase of labor cost, Processing Firm take the mode of machine substitute human labor to cope with use The situation of work difficulty makes factory realize automated production, to improve the processing quality of product, accelerates production efficiency and reduction Production cost.Wherein, threaded connection is the main connection type of industrial products, and drilling and tapping are producing on product parts Occupy very big specific gravity in product production process.Such as the panel on intelligent lock, several mounting holes need to be opened up, on panel just to mention The machining accuracy and efficiency of high mounting hole, drilling-tapping machine come into being.And tool magazine generally is equipped on drilling-tapping machine Tool changing is carried out, drilled, tapping or the hole of different pore size processed to mounting hole by different cutters.

As disclosed in the utility model patent of Patent No. ZL201620413660.7 (notification number CN205733799U) Shown in " the drilling-tapping machine with gear type tool magazine ", which makes tool magazine rotation realize tool changing by gear drive Function, but gear drive easily lead to tool magazine rotation it is not in place, cause cutter that cannot be aligned completely with hole location to be processed, in turn Influence the processing of workpiece.

In addition, the workbench of the drilling-tapping machine can only be moved forward and backward with respect to pedestal, head can only be with respect to moving down in rack It is dynamic, it is low so as to cause machining accuracy if cutter and hole misalignment to be processed, are not easy to be adjusted；Also, for workpiece The hole of upper different location and different pore size, workpiece may need multiple clamping just to adapt to the processing of the drilling-tapping machine.

Or as disclosed in the patent of invention of Patent No. ZL201710198612.X (Publication No. CN106826335A) Shown in " a kind of double link tool changing device ", including several groups tool changing component, main shaft, pedestal, the main shaft are arranged in the middle part of pedestal And can move up and down, main shaft periphery is equipped with several groups tool changing component, and each group tool changing component includes driving device, knife card, doubly-linked Bar, fixing seat, one end of the double link are flexibly connected with the fixing seat for being fixedly arranged on base bottom, the other end and water of double link The knife card connection of flat setting, the double link can be rotation around fixing seat under the action of driving device, be moved through in double link Knife card keeps horizontal in journey.Each group tool changing component is independent control running, that is, the knife handle under any group of tool changing component may be selected It is switched over the knife handle under main shaft, realizes tool changing.

It because the position of main shaft is fixed, therefore is assemblied in the tool position on main shaft and also fixes, be not in that cutter positioning is inaccurate The problem of being really unable to alignment hole position.But wherein one group of tool changing component is still located on the one of main shaft in the state of accepting Side is simultaneously closer apart from main shaft, easily leads to another group of tool changing component so at work, if knife card shift motion it is bigger can with it is previous The tool changing component that group is accepted generates interference, and structure is not compact enough；In addition, tool changing component is in the state of accepting, position Also compare on the lower, the cutter that knife card and knife clip are held is always positioned at below pedestal, so when processing the workpiece, if workpiece surface Uneven, then higher position is easy the cutter held with knife card or knife clip and generates interference.

Utility model content

For the current state of the art, the technical problem to be solved by the utility model is to provide a kind of cutters can be right always The drilling and tapping automatic device for the porous part that quasi- hole to be processed is processed.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of drilling and tapping of porous part is certainly Dynamic device, it is characterised in that: including

Workbench；

Turntable is set on workbench and workbench can rotate horizontally relatively, circumferentially spaced at the neighbouring disk edge Multiple operation positions are disposed with, the fixture of positioning workpiece is respectively provided on each operation position；

At least two operating mechanisms, are set on workbench and neighbouring disk edge is arranged, and each operating mechanism includes moving machine Structure and in mobile mechanism and can be with the cutter-exchange mechanism of mobile mechanism's synchronizing moving, the mobile mechanism can be on opposed jaw Under, front and back and move left and right, the cutter-exchange mechanism includes clamping the mainshaft mechanism of cutter and switching cutter for mainshaft mechanism At least two groups tool changing component.

Each tool changing component difference to avoid the multiple clamping of workpiece or avoiding repeatedly replacing cutter, on same cutter-exchange mechanism The different processing works in the same hole so can be completed in the different manufacturing procedures in the corresponding same hole on an operation position Sequence improves machining accuracy and efficiency without artificial replacement cutter or multiple clamping workpiece.In other words, on same cutter-exchange mechanism Wherein one group of tool changing component drills, and another group of tool changing component on the cutter-exchange mechanism can be carried out tapping etc..

To avoid the multiple clamping of workpiece or avoiding repeatedly replacing cutter, two neighboring operating mechanism is corresponding to process different holes The processing in the hole of different pore size on workpiece, machining accuracy and effect can be completed so as turntable rotates a circulation in the hole of diameter Rate is high.

The cutter-exchange mechanism can have a variety of structures form, it is preferable that the mainshaft mechanism includes main shaft frame and main shaft, institute It states main shaft lower part and extends main shaft frame, and the main shaft bottom has the clamp port for clamping cutter, the clamp port and knife Tool is kept on the same axis, and each tool changing component is circumferentially uniformly distributed along the lateral wall of main shaft frame, is completed tool changing in tool changing component and is received In the state of rising, each component of the tool changing component is respectively positioned on the outside of main shaft frame and avoids generating interference with main shaft, so keeps away Exempt from tool changing component in the state of accepting, generates interference with other component.

The cutter-exchange mechanism can have a variety of structures form, it is preferable that each tool changing component includes

First driving mechanism, driven including the first actuator and by the first actuator and the first push rod for moving up and down, First actuator is set on the lateral wall of main shaft frame；

Second driving mechanism, driven including the second actuator and by the second actuator and the second push rod for moving up and down, Second actuator is connected with the driving of the power output end of the first push rod；

For clamping the clamping device of cutter, the output end rotation of the first end of the clamping device and the first push rod connects It connecing, the second end of the clamping device is equipped with the clamping part of clamping cutter, and the of the middle part of the clamping device and a connection piece One end is rotatedly connected, and the second end of the connector and the power output end of the second push rod are rotatedly connected.

The tool changing modular construction is simple, and each component cooperates so that tool changing is swift in motion reliably, and cutter-exchange mechanism is in not work When making, the first push rod, the second push rod and clamping device can be packed up completely, and main with electro spindle, electricity to prevent far from electro spindle Cutter on axis generates interference.

For further ensure that cutter-exchange mechanism when accepting far from electro spindle, second actuator is located at described first and drives On the outside of moving part.

When to prevent cutter-exchange mechanism from accepting, the tool position on clamping device or clamping device is lower and generates with workpiece The bottom surface of interference, the first actuator and the second actuator is above the bottom surface of main shaft frame.Because if workpiece surface is uneven, position It sets higher position and easily generates interference with the cutter on clamping device or clamping device.

For convenient for making the second actuator be connected with the driving of the power output end of the first push rod, second actuator passes through one Connection frame is connected with the output end of first push rod, and the first end of the clamping device and the connection frame are hinged.Connection frame Setting be not only convenient for the assembly of the first actuator, the second actuator, clamping device, but also the second actuator is by the first push rod It runs smoothly when drive.And if connectionless frame, the second actuator are set to the lower end of the first push rod, then pack up in cutter-exchange mechanism When, tool position clamped by clamping device also can be easy to generate interference with workpiece relatively on the lower, when processing the workpiece.

To further increase running stability when the second actuator is driven by the first push rod, the connection frame and first are driven It is slided and is connected by rail structure between moving part.By the setting of rail structure, the second actuator is not only made to run smoothly, also Positioning and guiding is carried out to its running track, if because operation deviation occurs in the second actuator, it is most likely that cause clamping device cannot Accurately cooperate with electro spindle and carries out tool changing.

To make cutter-exchange mechanism when packing up, clamping device avoids generating interference with the cutter on main shaft far from main shaft, Preferably, the clamping device includes back segment, leading portion and the middle section for connecting back segment and leading portion, and the back segment and the first push rod turn The first end of dynamic connection, the junction and the connector in the leading portion and middle section is rotatablely connected, and the clamping part is set to leading portion End, and the angle between back segment and middle section is obtuse angle, and the angle between middle section and leading portion is obtuse angle.The clamping device structure Simply and it is easy to make, certain clamping device may be other structures, as long as generating interference i.e. packing up Shi Buyu electro spindle It can.

For convenient for clamping cutter, the clamping part includes the concave portion for being opened in the end of the leading portion, aforementioned concave portion Opposite two sidewalls on be equipped with clamping element by cutter positioning in slot.

To reduce cutter volume, in up-small and down-big round table-like, the top of such cutter can be direct for the head of the cutter It is clamped by main shaft, without cone cell knife handle is arranged again.

Compared with prior art, the advantages of the utility model: 1, the operating mechanism of the utility model passes through setting moving machine The cutter-exchange mechanism of structure and the clamping cutter with mobile mechanism's synchronizing moving, the position of cutter-exchange mechanism can be adjusted by mobile mechanism It sets, makes the clamp port of mainshaft mechanism always towards workpiece, so that the hole that cutter can be to be processed in alignment pieces always, mentions High manufacturing accuracy；2, for the tool changing component of the utility model in the state that completion tool changing is accepted, each component of tool changing component is equal Positioned at the outside of main shaft frame far from main shaft, the cutter that will not so clamp with main shaft and main shaft generates interference；And the folder of main shaft It holds mouth and cutter is kept on the same axis, and main shaft can be always positioned at the surface in hole to be processed, will not so generate knife Tool is with hole misalignment and the problem of lead to machining deviation；3, the first actuator of cutter-exchange mechanism, the bottom surface of the second actuator are high In the bottom surface of main shaft frame, so in the state that the completion tool changing of tool changing component is accepted, each component of cutter-exchange mechanism and tool changing Cutter in mechanism can be in the opposite higher position of main shaft, so in the workpiece processing tool on main shaft, cutter-exchange mechanism And cutter thereon will not generate interference with workpiece.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the structural schematic diagram of one of operating mechanism in Fig. 1；

Fig. 3 is the structural schematic diagram of the cutter-exchange mechanism in Fig. 2；

Fig. 4 is the structural schematic diagram of the other direction of Fig. 3；

Fig. 5 is the structural schematic diagram of wherein one group of tool changing component in Fig. 3；

Fig. 6 is the structural schematic diagram of the cutter in Fig. 3；

Fig. 7 is the structural schematic diagram of the clamping device in Fig. 3；

Fig. 8 is the structural schematic diagram of the first actuator in Fig. 3；

Fig. 9 is the structural schematic diagram of the connection frame in Fig. 3；

Figure 10 is the structural schematic diagram of the mobile mechanism in Fig. 2；

Figure 11 is the structural schematic diagram of the other direction of Figure 10；

Figure 12 is the structural schematic diagram of the workpiece in Fig. 1；

Figure 13 is the structural schematic diagram of the other direction of Figure 12；

Figure 14 is the structural schematic diagram of the fixture in Fig. 1；

Figure 15 is the structural schematic diagram of the charging and discharging mechanism in Fig. 1.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Fig. 1~15, the drilling and tapping automatic device of the porous part of this preferred embodiment includes workbench 5, turns Disk 6, operating mechanism, cutter-exchange mechanism and charging and discharging mechanism are equipped with the accommodating disc for accommodating the components such as cable above turntable 6, The two sides of charging and discharging mechanism 8 are respectively equipped with feeding and conveying device 86 and lower material conveying device 87.Feeding and conveying device 86 and blanking Conveying device 87 includes conveyer belt, and several workpiece 9 are placed side by side on conveyer belt.

Turntable 6 is set on workbench 5 and can the horizontal rotation of opposite workbench 5 under the action of motor or other driving mechanisms Turn, neighbouring 6 edge of turntable is circumferentially spaced is disposed with multiple operation positions, and positioning work is respectively provided on each operation position The fixture 61 of part 9.

As shown in Figure 12,13, in the present embodiment, workpiece 9 is panel of lock, as shown, the different positions on panel of lock Several apertures, the different mounting hole of depth are installed.As shown in figure 14, fixture 61 has compatible with workpiece 9 for workpiece 9 The locating slot 611 of placement is equipped with positioning mechanism in the two sides of the length direction of locating slot 611, and positioning mechanism includes mounting rack 612 and the locating piece 613 on mounting rack, locating piece 613 extend towards locating slot 611 and can opposite mounting rack 612 it is flexible. In the state that workpiece 9 is placed in fixture 61, locating piece 613 stretches out the upper surface for being against workpiece 9, when need to take out workpiece 9, positioning Part 613 shrinks and releases fastening to workpiece 9.

As shown in Figure 1, there are four operating mechanisms in the present embodiment, neighbouring 6 edge of turntable is arranged, and turns along turntable 6 Dynamic direction interval is set on workbench 5, and the quantity of operation position is no less than the quantity of operating mechanism.As shown in Fig. 2, operating mechanism Including fixed frame 71, the mobile mechanism 7 on fixed frame 71 and it is set in mobile mechanism 7 and can be moved with mobile mechanism 7 is synchronous Dynamic cutter-exchange mechanism, and mobile mechanism 7 about 61 opposed jaw, front and back and can move left and right.

As shown in figs. 3 to 9, wherein each cutter-exchange mechanism includes clamping the mainshaft mechanism 1 of cutter 91 and cutting for mainshaft mechanism 1 Three groups of tool changing components 2 of tool changing tool 91, every group of tool changing component 2 can clamp a cutter 91, in the present embodiment, an operating mechanism On three cutters 91 of three groups of tool changing components 2 clamping be respectively drilling tool 91, chamfering tool 91, threading tool 91, with suitable Answer the different manufacturing procedures in a hole.

Mainshaft mechanism 1 includes main shaft frame 11 and main shaft 12, and main shaft frame 11 is extended in 12 lower part of main shaft, and 12 bottom of main shaft has There is the clamp port 121 for clamping cutter 91, the main shaft 12 in the present embodiment is electro spindle 12.As shown in Figure 1, 2, the present embodiment In, tool changing component 2 has three groups, on each circumferentially spaced lateral wall for being set to main shaft frame 11 of tool changing component 2, in tool changing component 2 In the state of completing tool changing, each component of tool changing component 2 is respectively positioned on the outside of main shaft frame 11 and separate main shaft 12.

As seen in figures 3-5, each tool changing component 2 includes the first driving mechanism 21, the second driving mechanism 22 and for pressing from both sides Hold the clamping device 23 of cutter 91, the first driving mechanism 21 include the first actuator 211 and by the driving of the first actuator 211 and The first push rod 212 moved up and down, the first actuator 211 are set on the lateral wall of main shaft frame 11, the second driving mechanism 22 packet The second push rod 222 for including the second actuator 221 and being moved up and down by the driving of the second actuator 221, the second actuator 221 In the first actuator 211 outside and be equipped between the first actuator 211 connection frame 4, and the first actuator 211 and second drives The bottom surface of moving part 221 is above the bottom surface of main shaft frame 11.

In the present embodiment, the first actuator 211 and the second actuator 221 all can be cylinder or hydraulic cylinders.

Connection frame 4 is fixedly linked with the second actuator 221, is slidably matched with the first actuator 211 by rail structure, the The output end of one push rod 212 is set on connector 24.As shown in Figure 8,9, rail structure includes being set on the first actuator 211 Sliding slot 213 and the guide rail 41 on connection frame 4, guide rail 41 is placed in sliding slot 213 and the opposite sliding slot 213 of energy moves up and down.

As shown in fig. 7, clamping device 23 includes back segment 232, leading portion 233 and the middle section for connecting back segment 232 and leading portion 233 234, posterior segment 232 (i.e. the first end of clamping device 23) is rotatablely connected with the articulated section 42 on connection frame 4,233 He of leading portion The junction (i.e. the middle part of clamping device 23) in middle section 234 and the first end of connector 24 are rotatablely connected, and the second of connector 24 End is rotatedly connected with the second push rod 222, and the end of leading portion 233 (i.e. the second end of clamping device 23) is provided with clamping part 231, Angle between back segment 232 and middle section 234 is obtuse angle, and the angle between middle section 234 and leading portion 233 is obtuse angle.

Clamping part 231 includes the concave portion 235 for being opened in the end of leading portion 233, the opposite two sides of aforementioned concave portion 235 Be equipped with the clamping element 236 cutter 91 being located in concave portion 235, extruding force energy of the clamping element 236 by cutter 91 on wall It is mobile to clamp or discharge cutter 91 relative to concave portion 235.In other words, when needing to install cutter 91, two clamping elements 236 are relatively distant from and cutter 91 are made to be placed in concave portion 235, and then clamping element 235 is mutually drawn close under elastic reaction again and clamped Cutter 91.

In addition, the top of such cutter 91 can be direct as shown in fig. 6, the head of cutter 91 is in up-small and down-big round table-like It is clamped by main shaft 12, without cone cell knife handle is arranged again.The clamping part 231 of the characteristics of according to workpiece 9, each tool changing component 2 can pacify Chamfering tool 91, threading tool 91, drilling tool 91 or cutter 91 of different-diameter etc. are filled, cutter 91 adds in the difference of workpiece 9 The work stage arbitrarily can efficiently be replaced.

Second driving mechanism 22 can be with 21 synchronizing moving of the first driving mechanism, opposite first push rod of 23 energy of clamping device 212 rotations, connector 24 can be rotated relative to the second push rod 222, and connector 24 is rotatedly connected with clamping device 23, i.e. connector 24 and clamping device 23 be combined into a crank link mechanism.

When the first push rod 212 remains stationary, the first push rod 212 and clamping device 23 can be considered as it is relatively fixed, at this time Second push rod 222 can be moved up and down with follower link 24, allow articulated section 41 of the clamping device 23 on connection frame 4 Rotation, the position of cutter 91 is controlled with this.

The course of work of the tool changing component 2 of the present embodiment is as follows: when cutter 91 reaches position shown in the tool changing component of left side in Fig. 3 When setting (the tool changing component is in the open state), the first push rod 212 is retracted the second driving mechanism 22, connector 24, clamping machine Structure 23 is whole to be brought up, and is made 91 vertical ascent of cutter, is reached the position that can be clamped by the clamp port 121 of electro spindle 12.Knife The first driving mechanism 21 is motionless after the completion of having 91 clampings, and the second push rod 222 retracts, and knife rest is removed, and completes entire dress knife process.

On the contrary, the first push rod 212 is motionless, the second push rod 222 stretches out the tool changing Shi Zeyu above process, drives clamping device 23 Cutter 91 is caught, 121 loosening cutter 91 of clamp port of electro spindle 12, then the first push rod 212 moves down, and cutter 91 is pulled out Out, right side tool changing component (should in the first push rod 212 retraction after finally the second push rod 222 retracts again, final position such as Fig. 3 Tool changing component is in collapsed state) shown in.

As shown in Figure 10,11, wherein fixed frame 71 is fixed on workbench 5, and mobile mechanism 7 is set on fixed frame 71, Mobile mechanism 7 include the first slide head 72, the second slide head 73 and third slide head 74, driving assembly include third actuator, Fourth drive member and the 5th actuator, fixed frame 71 are equipped with the first guide rail 711 extended along the longitudinal direction, the first slide head 72 It is slidably matched with first guide rail 711 and is moved under the effect of third actuator, the first slide head 72 is equipped in left-right direction The second guide rail 721 extended, the second slide head 73 are slidably matched with second guide rail 721 and move down in fourth drive member effect Dynamic, the second slide head 73 is equipped with the third guide rail 731 vertically extended, third slide head 74 and the third guide rail 731 It is slidably matched and is moved under the effect of the 5th actuator, main shaft frame 11 is set on third slide head 74.

In addition, two neighboring operating mechanism 4 corresponds to the processing in the hole of different pore size on workpiece 9, i.e., one of working machine 91 diameter of cutter of structure 4 is different from 91 diameter of cutter of another operating mechanism 4, with the hole of corresponding processing different pore size.So After workpiece 9 is placed on fixture 61, workpiece 9 rotates the processing that different pore size can be completed for one week with turntable 6.

As shown in figure 15, charging and discharging mechanism 8 includes fixing seat 81, rotates the rotation seat 82 being set in fixing seat 81 and set Clamping part on rotation seat 82, clamping part include that strut 83, the fixing head 84 set on 83 lower end of strut and sliding are set to admittedly Determine two clamping plates 85 on first 84, which is set on rotation seat 82 and can move up and down relative to rotation seat 82, two folders Plate 85 is oppositely arranged, and can mutually be drawn close or far to clamp or discharge workpiece 9.In the state that turntable 6 stops operating, clamping plate 85 are located at 61 top of fixture.

Claims (10)

1. a kind of drilling and tapping automatic device of porous part, it is characterised in that: including

Workbench (5)；

Turntable (6) is set on workbench (5) and workbench (5) can rotate horizontally relatively, the neighbouring turntable (6) edge edge It is circumferentially-spaced to be disposed with multiple operation positions, the fixture (61) of positioning workpiece (9) is respectively provided on each operation position；

At least two operating mechanisms, are set on workbench (5) and neighbouring turntable (6) edge is arranged, and each operating mechanism includes movement Mechanism (7) and be set to mobile mechanism (7) on and can be with the cutter-exchange mechanism of mobile mechanism (7) synchronizing moving, the mobile mechanism (7) Can opposed jaw (61) up and down, front and back and move left and right, the cutter-exchange mechanism include the mainshaft mechanism (1) of clamping cutter (91) with And switch at least two groups tool changing component (2) of cutter (91) for mainshaft mechanism (1).

2. the drilling and tapping automatic device of porous part according to claim 1, it is characterised in that: on same cutter-exchange mechanism Each tool changing component (2) respectively correspond the different manufacturing procedures in the same hole.

3. the drilling and tapping automatic device of porous part according to claim 1, it is characterised in that: two neighboring working machine The hole of the corresponding processing different pore size of structure.

4. the drilling and tapping automatic device of porous part described in any claim, feature exist according to claim 1~3 In: the mainshaft mechanism (1) includes main shaft frame (11) and main shaft (12), and main shaft frame (11) are extended in main shaft (12) lower part, And main shaft (12) bottom has a clamp port (121) for clamping cutter (91), the clamp port (121) and cutter (91) It keeps on the same axis, each tool changing component (2) is circumferentially uniformly distributed along the lateral wall of main shaft frame (11), completes in tool changing component (2) Tool changing and in the state of packing up, each component of the tool changing component (2) are respectively positioned on the outside of main shaft frame (11) and avoid and main shaft (12) interference is generated.

5. the drilling and tapping automatic device of porous part according to claim 4, it is characterised in that: each tool changing component (2) include

First driving mechanism (21) is driven including the first actuator (211) and by the first actuator (211) and is moved up and down First push rod (212), first actuator (211) are set on the lateral wall of main shaft frame (11)；

Second driving mechanism (22) is driven including the second actuator (221) and by the second actuator (221) and is moved up and down Second push rod (222), second actuator (221) are connected with the driving of the power output end of the first push rod (212)；

Clamping device (23), the first end of the clamping device (23) and the output end of the first push rod (212) are rotatablely connected, described The second end of clamping device (23) is equipped with the clamping part (231) of clamping cutter (91), the middle part and one of the clamping device (23) The first end of connector (24) is rotatedly connected, and the second end of the connector (24) and the power output end of the second push rod (222) turn It is dynamic to be connected.

6. the drilling and tapping automatic device of porous part according to claim 5, it is characterised in that: second actuator (221) it is located on the outside of the first actuator (211).

7. the drilling and tapping automatic device of porous part according to claim 5, it is characterised in that: first actuator (211) and the bottom surface of the second actuator (221) is above the bottom surface of the main shaft frame (11).

8. the drilling and tapping automatic device of porous part according to claim 5, it is characterised in that: second actuator (221) it is connected by a connection frame (4) with the output end of first push rod (212), and the first of the clamping device (23) End is hinged with the connection frame (4).

9. the drilling and tapping automatic device of porous part according to claim 5, it is characterised in that: the clamping device It (23) include back segment (232), leading portion (233) and the middle section (234) for connecting back segment (232) and leading portion (233), the back segment (232) it is rotatablely connected with the first push rod (212), the junction and the connector (24) of the leading portion (233) and middle section (234) First end rotation connection, the clamping part (231) is set to the end of leading portion (233), and back segment (232) and middle section (234) it Between angle be obtuse angle, the angle between middle section (234) and leading portion (233) is obtuse angle.

10. the drilling and tapping automatic device of porous part according to claim 1, it is characterised in that: the mobile mechanism (7) it is set on fixed frame (71), including the first slide head (72), the second slide head (73) and third slide head (74), it is described solid Determine frame (71) and is equipped with the first guide rail (711) extended along the longitudinal direction, first slide head (72) and first guide rail (711) it being slidably matched, first slide head (72) is equipped with the second guide rail (721) for extending in left-right direction, and described second Slide head (73) is slidably matched with second guide rail (721), and second slide head (73) is equipped with and vertically extends Third guide rail (731) is slidably matched on the third slide head (74) with the third guide rail (731), and the cutter-exchange mechanism is set to On third slide head (74).