TWI594825B - Power head structure - Google Patents

Description

Power head structure

The invention relates to a power head structure, which is used on a machine tool, in particular, each of the first power head and the second power head and the body of the power head structure has two pivots. And the two pivoting portions between the first power head and the second power head and the body are disposed on two sides of the power mechanism, so that the plurality of first power heads and the second power head are pivotally disposed on the body to be relatively stable.

As we have previously known, the power head structure used in China, such as Taiwan Patent Application No. 103221802, certificate number: M499270, patent name: direct transmission multi-axis drilling and milling power head, please supplement the third picture, the first 4 and 5, the patent structure is: a direct transmission multi-axis drilling and milling power head, comprising: a body 10, the body 10 is internally provided with a power spindle 20, the power spindle 20 is worn A plurality of active bevel gears 21; a plurality of output shafts 24, each of which is disposed radially in the body 10, and each of the output shafts 24 is fixed to a passive bevel gear 22, and each of the passive bevel gears 22 is vertically meshed Each of the active bevel gears 21; in addition, each of the output shafts 24 is connected to a tool chuck 25, respectively.

However, the lack of this conventional power head structure is:

1. As shown in the fourth figure of the bulletin, the power shaft 20 and the output shaft 24 are pivoted in the body 10, and the passive bevel gear 22 of each output shaft 24 and the active bevel gear of each power spindle 20 21 phase Straight meshing, that is, the shaft center of the output shaft 24 and the shaft center of the power spindle 20 may coincide with each other, or the output shaft 24 may be said to be disposed in the same plane as the power spindle 20, and the output shaft is structurally The 24 series cannot pass over the power spindle 20, so that there is only one pivotal position between the output shaft 24 and the body 10, that is, the position indicated by the figure 24 is pivoted with the body 10, and the output shaft 24 is basically The main shaft 10 is rapidly rotated, and only one of the output shafts 24 is pivoted with the body 10, so that the output shaft 24 has a relatively unstable lack of rapid rotation in the body 10. The output shaft 24 has no better service life. .

2. The two main parts of the power main shaft 20 are pivoted with the main body 10. The pivoting position of the two main power shafts 20 is located at the two ends of the power main shaft 20. Generally, the power main shaft 20 has a certain length. Only eight output shafts 24 can be engaged, and the power spindle 20 has only two pivots, which is structurally unstable.

In view of the lack of the power head structure of the above-mentioned conventional patent case, the inventors have been engaged in manufacturing experience of related industries for many years, and finally have a product that can solve the disadvantages of the power head structure.

The problem to be solved by the invention is that there is only one pivotal connection between the output shaft and the body of the conventional power head structure, and the first power head and the second power head and the body of the power head structure of the invention have two a pivoting portion, the two pivoting portions between the first power head and the second power head and the body are disposed on two sides of the power mechanism, so that the first power head and the second power head are pivoted on the body stable.

Technical means for solving the problem: the present invention relates to a power head structure, The system includes: a first pivot portion, a plurality of second pivot portions and a third pivot portion, a plurality of fourth pivot portions and a fifth pivot portion; and a power mechanism is provided with a plurality of first scroll portions and a first portion a pivoting portion, the first pivoting portion is pivoted with the first pivoting portion; the plurality of first power heads are pivotally disposed at the second pivot portion and the third pivot portion, and the first power head is provided with a first a second worm gear portion, the second worm gear portion meshes with the first worm gear portion, the first power head is provided with a first clamping portion at the other end for clamping each tool; and the plurality of second power head systems are pivoted The second power head is provided with a third scroll portion for engaging with the first scroll portion at the fourth pivot portion and the fifth pivot portion; the power mechanism has a first axis, the first power The head system has a second axis, the second axis does not intersect the first axis, the second power head has a third axis, the third axis does not intersect the first axis and the second axis The first axis, the second axis, and the third axis are interlaced, and the power mechanism, the first power head, and the second power head are close to each other.

According to the effect of the prior art, the first power head and the second power head and the body have two pivoting portions, and the two pivoting portions between the first power head and the body are disposed on two sides of the power mechanism. The two pivoting portions between the second power head and the body are also disposed on the two sides of the power mechanism, so that the first power head and the second power head are pivotally disposed on the body, and the two pivot structures are relatively stable. The first power head and the second power head have a better service life. a first pivoting portion is disposed between each of the two first scroll portions of the power mechanism to be pivoted with the first pivot portion, so that the power mechanism and the body have at least three pivoting portions, so that the The optimal pivoting structure between the power mechanism and the body.

The structure and composition of the present invention are described in conjunction with the drawings and the drawings, and the following description is only for explaining the implementation of the present invention. For example, it is not intended to impose any form on the invention. Any modifications made in the spirit of the present invention are still within the scope of the present invention.

10‧‧‧ Ontology

11‧‧‧ First pivot

12‧‧‧Second pivot

121‧‧‧The third pivot

13‧‧‧fourth pivot

131‧‧‧The fifth pivot

14‧‧‧First Group

15‧‧‧Second Division

151‧‧‧First vent

152‧‧‧Second air outlet

16‧‧‧First perforation

17‧‧‧Second perforation

20‧‧‧Power Agency

21‧‧‧First scroll

22‧‧‧First Pivot

30‧‧‧First power head

31‧‧‧Second Pivot

32‧‧‧ Third Pivot

33‧‧‧Second vortex

34‧‧‧First clamping department

35‧‧‧ screw fittings

36‧‧‧ Cover

40‧‧‧Second power head

41‧‧‧The fourth faculty

42‧‧‧The Fifth Pivot Department

43‧‧‧ Third vortex

50‧‧‧Clamping parts

51‧‧‧Second clamping department

60‧‧‧First valve group

61‧‧‧Second gas valve group

70‧‧‧Injection group

71‧‧‧Action Department

The first figure is an exploded perspective view of the power head structure of the present invention.

The second figure is a perspective view of the body of the power head structure of the present invention.

The third figure is an exploded perspective view of the first power head of the power head structure of the present invention.

The fourth figure is a three-dimensional combination diagram of the first power head of the power head structure of the present invention.

The fifth figure is a three-dimensional combination diagram of the power head structure of the present invention.

Fig. 6 is a perspective view showing another perspective of the power head structure of the present invention.

Figure 7 is a perspective assembled view of some components of the power head structure of the present invention.

Figure 8 is a front elevational view of a portion of the power head structure of the present invention.

Figure 9 is a top plan view of a portion of the components of the power head structure of the present invention.

Fig. 10 is a perspective view showing another view of a part of the power head structure of the present invention.

Figure 11 is a front elevational view of the power head structure of the present invention.

Figure 12 is a cross-sectional view taken along line A-A of the eleventh embodiment of the present invention.

First, please refer to the first to fourth figures. The first figure is an exploded perspective view of the power head structure of the present invention, the second figure is a perspective view of the power head structure body 10 of the present invention, and the third figure is the power head structure of the present invention. The three-dimensional exploded view of the first power head 30, and the fourth figure is a three-dimensional combination diagram of the first power head 30 of the power head structure of the present invention, the present invention relates to a power head structure, the motion The head structure is used on a machine tool to process various workpieces, and includes a body 10, which is provided with a first pivot portion 11 extending in the axial direction, as shown in the second figure. The first pivot portion 11 is in the shape of a circular hole, and the second and second pivot portions 12 and the third pivot portion 121 are respectively disposed on the left and right sides of the body 10. The second pivot portion 12 and the third pivot portion 121 are The plurality of second pivot portions 12 and the third pivot portion 121 are linearly arranged, and the number of the second pivot portion 12 and the third pivot portion 121 are four, and the front and rear sides of the body 10 are Each of the plurality of fourth pivot portions 13 and the fifth pivot portion 131 is coaxial, and the plurality of fourth pivot portions 13 and fifth pivot portions 131 are respectively disposed. The number of the fourth pivot portion 13 and the fifth pivot portion 131 is the same as the number of the second pivot portion 12, and the number of the fourth pivot portion 13 and the fifth pivot portion 131 is four, respectively. The main body 10 is provided with a plurality of first assembly portions 14 , each of the first assembly portions 14 is disposed on one side of each of the fourth pivot portions 13 , and the number of the first assembly portions 14 is matched with the second pivot portion Number of 12 or fourth pivots 13 The number of the first assembly portions 14 is four, and the main assembly 10 is provided with a second assembly portion 15 that is provided with a first air outlet 151 and a second air outlet 152. As shown in FIG. 11 , the first air outlet 151 and the second air outlet 152 are away from each other, and the second assembly portion 15 is disposed on the same side as the fourth pivot portion 13 . Each of the first through holes 16 is disposed on one side of each of the fifth pivot portions 131. The number of the first through holes 16 is matched with the number of the second pivot portions 12, the first through holes. The number of 16 is four, and each of the first through holes 16 is in the shape of a circular hole. The body 10 is provided with a plurality of second through holes 17 , and each of the second through holes 17 is disposed on each of the third pivot portions 121 . On one side, the number of the second through holes 17 is matched with the number of the second pivot portions 12, the number of the second through holes 17 is four, the second through holes 17 are in the shape of a circular hole, and the body 10 is in the shape of a quadrangle; a power mechanism 20, wherein the power mechanism 20 is provided with a plurality of first scroll portions 21, The number of the first scroll portions 21 is matched with the number of the second pivot portions 12. The number of the first scroll portions 21 is four, and each of the first scroll portions 21 is provided with a first pivot. The first pivoting portion 22 is pivoted to the first pivot portion 11 of the body 10, so that the first scroll portion 21 can be rotated in the first pivot portion 11; the plurality of first power heads 30, please As shown in the third and fourth figures, the number of the first power heads 30 is matched with the number of the second pivot portion 12 and the third pivot portion 121 of the body 10 and the first scroll portion 21 of the power mechanism 20, The number of the first power heads 30 is four, and each of the first power heads 30 is disposed at a second pivot portion 12 and a third pivot portion 121 of the body 10, and the first power head 30 is configured. The second pivoting portion 31 is pivotally disposed with the second pivoting portion 31. The third pivoting portion 32 is disposed at one end of the first powerhead 30. The third pivoting portion 32 is provided with a third pivoting portion 32. The second yoke portion 33 is disposed between the second yoke portion 31 and the third yoke portion 32. The second worm portion 33 is connectable to the power mechanism 20 The first worm tooth portion 21 is meshed, and the first power head 30 is at the other end The first clamping portion 34 is disposed outside the body 10, and the first clamping portion 34 can be assembled with various tools such as a milling cutter, a turning tool or a drill bit. The first power head 30 is disposed adjacent to the third pivoting portion 32. The first power head 30 is provided with four first joint portions for screwing the screw members 35, so that the first power head 30 is assembled to the body 10. The cover body 36 is disposed on the first clamping portion 34 and covers the first power head 30. The first power head 30 is assembled as shown in the fourth figure. A plurality of second power heads 40, the number of the second power heads 40 is matched with the number of the fourth pivot portion 13 and the fifth pivot portion 131 of the body 10 and the first scroll portion 21 of the power mechanism 20, the second The number of the power heads 40 is four, and the second power head 40 is pivotally disposed at the fourth pivot portion 13 and the fifth pivot portion 131 of the body 10, and the second power head 40 is provided with a fourth pivoting device. Part 41, the fourth pivot The portion 41 is pivotally disposed with the fourth pivot portion 13 , and the second pivot portion 42 is disposed away from the fourth pivot portion 41 . The fifth pivot portion 42 is coupled to the fifth pivot portion The 131-phase pivoting portion is provided with a third scroll portion 43 between the fourth pivoting portion 41 and the fifth pivoting portion 42. The third scroll portion 43 is connectable to the first scroll portion 21 of the power mechanism 20. Engaging, the structure of the second power head 40 is identical to that of the first power head 30; the power mechanism 20 has a first axis, and the first power head 30 has a second axis, the second axis The core system does not intersect the first axis, that is, the power mechanism 20 and the first power head 30 are not in the same plane, and the second power head 40 has a third axis, and the third axis is not related to the first axis. The cores intersect, the third axis does not intersect the second axis, and the power mechanism 20, the first power head 30, and the second power head 40 are not in the same plane, that is, the first axis and the second axis. The third shaft center is interlaced with each other, and the power mechanism 20, the first power head 30 and the second power head 40 are close to each other; and the plurality of clamping members 50 are assembled in the first body 10 The number of the clamping members 50 is matched with the number of the first assembling portions 14, the number of the clamping members 50 is four, and the clamping member 50 is provided with the second clamping portion 51. The second clamping portion 51 is provided for each type of cutter; a first gas valve group 60, the first gas valve group 60 is disposed at the second assembly portion 15 of the body 10, the first gas A gap is formed between the valve block 60 and the second assembly portion 15. The gas system in the body 10 can be discharged through the first air outlet 151 and the second air outlet 152 of the second assembly portion 15 due to the first air valve. There is a gap between the group 60 and the second assembly portion 15, and the first air outlet 151 is away from the second air outlet 152. Therefore, the route of the gas discharge is in a meandering manner, and the gas system is firstly The air outlet 151 is discharged between the second assembly portion 15 and the first air valve group 60, and is discharged from the second air outlet 152. Outside the body 10; a plurality of second gas valve groups 61, the number of the second gas valve group 61 is matched with the number of the first perforations 16, and each of the second gas valve groups 61 is disposed on each of the first perforations of the body 10. At 16, the number of the second gas valve group 61 is four, and the gas in the body 10 can also be discharged by the second gas valve group 61. The interior of the second gas valve group 61 has an L-like shape, so the gas The discharge route is in an L-shaped path; an injection group 70 is disposed at an appropriate position of the body 10, and the injection group 70 is provided with a plurality of action portions 71, and the number of the action portions 71 The number of the second venting portions 17 of the main body 10 and the first worm tooth portion 21 of the power mechanism 20 is four. The number of the action portions 71 is four, and each of the action portions 71 is disposed through each of the second through holes 17 . And being opposite to each of the first scroll portions 21, the fuel injection group 70 injects oil or oil and gas into each of the first scroll portions 21 through each of the acting portions 71 to maintain the first scroll portion 21 and The lubricating effect when the second scroll portion 33 and the third scroll portion 43 are engaged, when the action portion 71 injects the oil and gas, the atmospheric pressure in the body 10 is greater than the outside air. Pressure, at which point the gas system by a first valve and a second valve set 60 set 61 is discharged to achieve the effect of reduced pressure.

Please refer to the fifth and sixth figures. The fifth figure is a three-dimensional combination diagram of the power head structure of the present invention, and the sixth figure is a perspective view of another perspective of the power head structure of the present invention, which can be clearly shown by the figure. The power mechanism 20 is pivotally disposed at the first pivot portion 11 of the body 10 , and each of the first power heads 30 is pivotally disposed at each of the second pivot portion 12 and the third pivot portion 121 of the body 10 . Each of the second power heads 40 is disposed at each of the fourth pivot portion 13 and the fifth pivot portion 131 of the body 10 , and each of the clamping members 50 is disposed at each of the first assembly portions 14 . The first gas valve group 60 is disposed at the second assembly portion 15 , and each of the second gas valve groups 61 is disposed at each of the first through holes 16 . The 70 series is disposed on the body 10, and each of the action portions 71 of the fuel injection group 70 is disposed at each of the second through holes 17.

Referring to the seventh to tenth drawings, the seventh drawing is a perspective assembled view of some components of the power head structure of the present invention, the eighth drawing is a front view of the power head structure partial components of the present invention, and the ninth drawing is the present invention. A top view of a part of the power head structure, and a tenth view of another part of the power head structure of the present invention, as shown clearly, the first pivoting portion 22 of the power mechanism 20 is pivoted The first power head 30 is pivotally disposed at the second pivot portion 12 and the third pivot portion 121 of the body 10, and the second power head 40 is pivotally disposed on the body 10 at the first pivot portion 11 of the body 10. At the fourth pivot portion 13 and the fifth pivot portion 131, the second scroll portion 33 of the first power head 30 and the third scroll portion 43 of the second power head 40 are respectively associated with the first vortex of the power mechanism 20 The tooth portions 21 are vertically meshed, and the power mechanism 20, the first power head 30 and the second power head 40 are interlaced and do not overlap each other.

Please refer to the eleventh and twelfth drawings. The eleventh drawing is a front view of the power head structure of the present invention, and the twelfth drawing is a cross-sectional view of the eleventh figure AA of the present invention. A first air outlet 151 and a second air outlet 152 are disposed at the second assembly portion 15 of the body 10. The first air outlet 151 and the second air outlet 152 are away from each other. The second air outlet 152 is away from the second air outlet 152. The second air outlet 152 is connected to the outside of the body 10, and the first air valve group 60 is disposed at the second assembly portion 15 when the fuel injection group After each of the action portions 71 of the 70 is lubricated by each of the first scroll portions 21 of the positive power mechanism 20, the atmospheric pressure in the body 10 is greater than the atmospheric pressure of the air outside the body 10, and the gas system is at this time. The first air outlet 151 and the second air outlet 152 of the second assembly portion 15 can be discharged. The first air valve group 60 and the second assembly portion 15 are separated by a gap, and the first air outlet 151 is It is far away from the second air outlet 152, so The gas discharge route is in a meandering manner. The gas system is first discharged from the first air outlet 151 into the second assembly portion 15 and the first air valve group 60, and then the second air outlet hole 152 is gradually discharged from the body 10 to Relieve the effect of decompression.

In another embodiment of the present invention, the body 10 is not provided with the fourth pivot portion 13 and the fifth pivot portion 131, that is, the second power head 40 is not provided, and the body 10 is not provided with the first assembly portion. 14. There is also no clamping member 50. In another embodiment of the present invention, the body 10 is not provided with the second assembly portion 15 and the first air valve group 60 is not provided. The body 10 is not provided with the first through hole 16 or the second gas. Valve group 61. In another embodiment of the present invention, the body 10 is not provided with the second through hole 17 nor the fuel injection group 70.

The power head structure of the present invention has the following advantages:

1. The second scroll portion 33 of the first power head 30 is meshed with the first scroll portion 21 of the power mechanism 20, and the third scroll portion 43 of the second power head 40 is coupled to the first scroll portion. 21-phase meshing, by the mutual meshing structure of the worm tooth portion, the power mechanism 20, the first power head 30 and the second power head 40 are interlaced and do not coincide with each other, the first power The head 30 can be pivotally disposed at the second pivot portion 12 and the third pivot portion 121 of the body 10 , and the second power head 40 can be pivotally disposed at the fourth pivot portion 13 and the fifth pivot portion 131 of the body 10 . The first power head 30 and the second power head 40 and the body 10 have two pivoting portions, and the two pivoting portions between the first power head 30 and the body 10 are disposed on two sides of the power mechanism 20 The two pivoting portions between the second power head 40 and the body 10 are also disposed on two sides of the power mechanism 20, so that the first power head 30 and the second power head 40 are pivotally disposed on the body 10 and have two The pivoting structure is a relatively stable structure, and the first power head 30 and the second power head 40 have a better service life.

2. The first pivoting portion 22 is disposed between each of the two first scroll portions 21 of the power mechanism 20 to A pivot portion 11 is pivoted to provide at least three pivoting positions between the power mechanism 20 and the body 10. The present invention is provided with five pivoting portions to optimize the dynamic mechanism 20 and the body 10. Pivot structure.

3. The second clamping portion 51 of the clamping member 50 is provided for the various types of cutters. For example, the cutter is provided so that the cutters of the second clamping portion 51 of the clamping member 50 are not clamped. The workpiece is machined in a rotating manner.

4. The fuel injection group 70 is provided with a plurality of acting members 71, and each of the acting members 71 can respectively mesh with each of the first scroll portion 21, the second scroll portion 33 and the third scroll portion 43. The fuel injection or oil and gas lubrication is applied to make the power mechanism 20, the first power head 30 and the second power head 40 have a better service life.

5. Referring to FIG. 11 and FIG. 12 again, when each action portion 71 of the fuel injection group 70 lubricates the oil or oil and gas for each of the first scroll portions 21 of the positive power mechanism 20, The atmospheric pressure in the body 10 is greater than the atmospheric pressure of the air outside the body 10, and the gas system can be discharged through the first air outlet 151 and the second air outlet 152 of the second assembly portion 15 due to the first air valve group 60. There is a gap between the second assembly portion 15 and the second air outlet 151, and the gas discharge path is in a meandering manner. The gas system is firstly formed by the first air outlet. The 151 is discharged between the second assembly portion 15 and the first gas valve group 60, and is further discharged from the outside of the body 10 by the second air outlet hole 152 to achieve the effect of decompression.

6. The inside of the second gas valve group 61 has an L-like shape. When the action portion 71 of the fuel injection group 70 lubricates the oil or oil and gas injected into the first scroll portion 21, the gas in the body 10 can also be The second gas valve group 61 is discharged. Due to the L-shaped design of the second gas valve group 61, the gas system is gradually discharged in a meandering path.

Therefore, the power head structure of the invention has industrial utilization, novelty and progress, and can meet the application requirements of the invention patent, and submits an application according to law.

10‧‧‧ Ontology

11‧‧‧ First pivot

12‧‧‧Second pivot

13‧‧‧fourth pivot

14‧‧‧First Group

15‧‧‧Second Division

20‧‧‧Power Agency

21‧‧‧First scroll

22‧‧‧First Pivot

30‧‧‧First power head

31‧‧‧Second Pivot

32‧‧‧ Third Pivot

33‧‧‧Second vortex

34‧‧‧First clamping department

40‧‧‧Second power head

41‧‧‧The fourth faculty

42‧‧‧The Fifth Pivot Department

43‧‧‧ Third vortex

50‧‧‧Clamping parts

51‧‧‧Second clamping department

60‧‧‧First valve group

61‧‧‧Second gas valve group

70‧‧‧Injection group

71‧‧‧Action Department

Claims (13)

A power head structure includes: a body, the system is provided with a first pivot portion, the first pivot portion is in the shape of a circular hole groove, and the left and right sides of the body are respectively provided with a plurality of second pivot portions and The third pivot portion and the third pivot portion are coaxial, and the plurality of second pivot portions and the third pivot portion are linearly arranged, and the front and rear sides of the body are respectively provided with a plurality of a fourth pivot portion and a fifth pivot portion, wherein the fourth pivot portion and the fifth pivot portion are coaxial, and the plurality of fourth pivot portions and the fifth pivot portion are linearly arranged, and the system has a plurality of a two-perforation; a power mechanism, the power mechanism is provided with a plurality of first scroll portions, the power mechanism is provided with a first pivoting portion, and the first pivoting portion is pivoted with the first pivot portion of the body The first worm gear portion is rotatable in the first pivot portion; the plurality of first power heads are pivotally disposed at the second pivot portion and the third pivot portion of the body, the first power The head system is provided with a second pivoting portion, the second pivoting portion is pivotally disposed with the second pivoting portion, and the first power head is provided with a third pivoting portion at one end thereof. The pivoting portion is pivoted with the third pivoting portion, and the second scrolling portion is provided with a second scroll portion, the second scroll portion and the first scroll of the power mechanism The first power head is provided with a first clamping portion, the first clamping portion is convexly disposed outside the body, and the first clamping portion can be assembled with various tools, the first clamping portion The second power head is disposed at a fourth pivot portion and a fifth pivot portion of the body, and the second power head is provided with a fourth a pivoting portion, the fourth pivoting portion is pivoted to the fourth pivoting portion, and the second pivoting portion is provided with a fifth pivoting portion away from the fourth pivoting portion, the fifth pivoting portion is a fifth pivot portion is disposed, and a third scroll portion is disposed between the fourth pivot portion and the fifth pivot portion, and the third The worm gear portion meshes with the first worm tooth portion of the power mechanism; the power mechanism is provided with a first axis, the first power head is provided with a second axis, and the second axis is not the first The axes intersect, that is, the power mechanism is not in the same plane as the first power head system, and the second power head is provided with a third axis that does not intersect the first axis, the third axis The power mechanism, the first power head and the second power head are not in the same plane, that is, the first axis, the second axis and the third axis are interlaced with each other. The mechanism, the first power head and the second power head system are close to each other; and the fuel injection group is disposed on the body, the fuel injection group is provided with a plurality of action portions, and the number of the action portions is matched with the body The second perforation and the number of the first scroll portions of the power mechanism, each of the action portions is disposed at each of the second perforations and is opposite to each of the first scroll portions, the fuel injection group is transmitted through each The acting portion injects oil or oil and gas into each of the first scroll portions. The power head structure of claim 1, wherein each of the second perforations is provided on one side of each of the third pivot portions, and the number of the second perforations is matched with the number of the second pivot portions, the second perforation The number is four, and the second perforation is in the shape of a circular hole, and the number of the action portions is four. The power head structure according to claim 1, wherein the system is provided with a second assembly portion, wherein the second assembly portion is provided with a first air outlet and a second air outlet, the first air outlet and the first air outlet The second air outlets are disposed on the same side, and the first air valve group is disposed in the second assembly portion of the body. Wherein, there is a gap between the first valve group and the second group, and the gas system in the body can be discharged through the first air outlet and the second air outlet of the second assembly, due to the first air valve There is a gap between the group and the second group, and the first air outlet is away from the second air outlet system, so the route of the gas discharge is in a meandering manner, and the gas system is first discharged from the first air outlet. Between the second set of parts and the first valve block, and then by the second set of vents Out of the body. The power head structure according to claim 3, wherein the system is provided with a plurality of first perforations, and a plurality of second gas valve groups are provided, and the number of the second gas valve groups is matched with the number of the first perforations, each of A second gas valve group is disposed at each of the first perforations of the body, and the gas in the body can also be discharged by the second gas valve group. The power head structure of claim 4, wherein each of the first perforations is provided on one side of each of the fifth pivot portions, and the number of the first perforations is matched with the number of the second pivot portions, the first perforation The number of the first perforations is a circular hole, the number of the second gas valve group is four, and the interior of the second gas valve group has an L-like shape, so the gas is discharged. The route is in the shape of an L path. The power head structure of claim 4, wherein the system is provided with a plurality of first assembly portions, and a plurality of clamping members are disposed, the clamping members are disposed at the first assembly portion of the body, The clamping member is provided with a second clamping portion, which is provided for clamping various tools. The power head structure of claim 6, wherein each of the first assembly portions is disposed on one side of each of the fourth pivot portions, and the number of the first assembly portions is matched with the second pivot portion or the fourth portion. For the number of the pivots, the number of the first assembly portions is four, and the number of the clamping members is matched with the number of the first assembly portions, and the number of the clamping members is four. The power head structure of claim 1, 3, 4 or 6, wherein the number of the second and third pivot portions is four, and the number of the fourth and fifth pivot portions is The number of the fourth pivot portion and the fifth pivot portion is four, and the number of the first scroll portions matches the number of the second pivot portions of the body, the first scroll portion The number of the first power heads is matched with the number of the second pivot portion and the third pivot portion of the body, and the number of the first power heads is For four, the number of the second power heads is matched with the number of the fourth pivot portion and the fifth pivot portion of the body, and the number of the second power heads is four. The power head structure of claim 1, 3, 4 or 6, wherein a first pivoting portion is provided between each of the two first scroll portions. The power head structure of claim 1, 3, 4 or 6, wherein the first power head is provided with a plurality of screwing members, and the first power head is provided with four first joints for screwing The screw is arranged such that the first power head system is assembled on the body and can be removed from the body. The power head structure of claim 1, 3, 4 or 6, wherein the first power head is provided with a cover body. The cover system is disposed on the first clamping portion and covers the first power head. The power head structure of claim 1, 3, 4 or 6, wherein the second power head has the same structure as the first power head. The power head structure of claim 1, 3, 4 or 6, wherein the system does not have a fourth pivot portion and a fifth pivot portion, that is, no second power head is provided.