CN221415169U - Straight pipe intersecting line cutting positioning assembly - Google Patents

Abstract

The utility model relates to a straight pipe intersecting line cutting and positioning assembly which comprises a moving trolley, a supporting assembly and a frame body, wherein the moving trolley and the supporting assembly are arranged on the frame body, the moving trolley comprises an upper seat body and a lower seat body, a lifting seat is arranged in the upper seat body and is in sliding connection with the inner side of a front side plate of the upper seat body, a chuck rotating and driving assembly is arranged on the lifting seat, a chuck is arranged on the front side of the upper seat body, a chuck shaft on the rear side of the chuck is connected with the chuck rotating and driving assembly, an adjusting long groove for the chuck shaft to pass through is arranged on the front side plate, a chuck lifting and driving device is arranged on the lower seat body, a driving shaft of the chuck lifting and driving device stretches into the upper seat body and is fixedly connected with the lifting seat, one end of a pipe fitting is clamped and fixed through the chuck, and the other end of the pipe fitting is supported through the supporting assembly. The chuck and the support seat on the support assembly can be adjusted according to the requirements.

Description

Straight pipe intersecting line cutting positioning assembly

Technical Field

The utility model relates to the field of metal pipe fitting machining, in particular to a straight pipe intersecting line cutting positioning assembly.

Background

In many fields such as power generation, a large number of steel structures are required to be adopted when equipment is installed, in the process of manufacturing the steel structures, the condition that a round pipe and a round pipe are required to be welded mutually or the round pipe and a plate are required to be welded mutually often occurs, in order to realize the intersecting welding, the round pipe is required to be cut by laser along a preset intersecting line path, so that a groove for intersecting welding is obtained on the round pipe, an intersecting line cutting device in the prior art is mainly designed for a straight pipe, and a five-axis steel pipe intersecting line cutting machine is disclosed in Chinese patent publication No. CN 201792126U.

However, in the prior art, the height of the rotary chuck adopted by the intersecting line cutting device is usually fixed, the rotary chuck cannot be adjusted according to the specification of a pipe fitting, in order to solve the problem, the Chinese patent publication No. CN207806839U discloses an intersecting line cutting machine capable of realizing automatic displacement of a chuck, which utilizes devices such as a lifting servo motor, a lifting servo motor flange plate, a lifting worm gear speed reducer, a lifting screw assembly and the like to form a chuck lifting mechanism, thereby realizing the height adjustment of the rotary chuck, but the device locates the lifting servo motor at the top end of a chuck base, the chuck and the rotating servo motor and other devices for driving the rotary servo motor are integrally connected with a lifting screw on one side through the lifting screw nut seat, the lower side of the chuck, the rotating servo motor and other devices is not provided with any support, and the weight of the chuck after fixing the pipe fitting can be further increased, so that the chuck lifting mechanism of the device can bear larger downward pulling force, the device can only realize self-locking of the chuck by adopting the lifting servo motor with a band-type brake mechanism and matching worm and a trapezoidal screw, on the aspect, and on the other hand, along with the pipe fitting is larger and larger in the specification, the device can only select a worm gear with higher specification to meet the bearing requirements of the pipe fitting.

Disclosure of utility model

The utility model aims to provide a straight pipe intersecting line cutting positioning assembly, wherein the height of a chuck and the height of a supporting seat on a supporting assembly can be adjusted according to requirements, so that the supporting requirements of pipe fittings with various specifications can be met.

The aim of the utility model is realized by the following technical scheme:

The utility model provides a straight tube intersecting line cutting locating component, includes travelling car, supporting component and support body, travelling car and supporting component all locate on the support body, the travelling car includes seat body and lower pedestal, be equipped with the elevating socket in the upper seat body, and the elevating socket with the inboard sliding connection of the preceding curb plate of upper seat body, be equipped with chuck rotary drive subassembly on the elevating socket, the upper seat body front side is equipped with the chuck, and the chuck shaft of chuck rear side with chuck rotary drive subassembly is connected be equipped with the confession on the preceding curb plate the adjustment elongated slot that the chuck shaft passed, be equipped with chuck lift drive arrangement on the lower pedestal, and chuck lift drive arrangement's drive shaft stretches into in the upper seat body and with the elevating socket links firmly, and pipe fitting one end is passed through the chuck centre gripping is fixed, and the other end passes through supporting component supports.

The chuck rotation driving assembly comprises a rotating motor, a driving gear and a driven gear, the lifting seat comprises a vertical plate and a horizontal plate, the rotating motor is arranged on the horizontal plate, the driving gear and the driven gear are meshed with each other and are arranged on the vertical plate, the driving gear is fixedly connected with a chuck shaft at the rear side of the chuck, the driven gear is fixedly connected with an output shaft of the rotating motor, and the vertical plate is in sliding connection with the inner side of a front side plate of the upper seat body.

The inner side of the front side plate is provided with a lifting slide rail, and the vertical plate is provided with a lifting slide groove matched with the lifting slide rail.

The lower side of the horizontal plate is provided with a lifting guide rod, and the lower seat body is provided with a guide through hole for the lifting guide rod to pass through.

The supporting component comprises a mounting bottom plate, an adjusting bottom plate, supporting seat lifting driving devices, supporting seats, supporting plates and connecting screws, wherein the two adjusting bottom plates are respectively movably and adjustably arranged on the mounting bottom plate, the two supporting seat lifting driving devices are respectively arranged on the corresponding adjusting bottom plates, lifting shafts are arranged on the upper sides of the supporting seat lifting driving devices, the two supporting seats are respectively arranged on the lifting shafts of the corresponding side supporting seat lifting driving devices, each supporting seat comprises side plates and inner end plates on two sides, a plurality of mounting grooves are formed in the upper sides of the side plates, two sides of the supporting plates are fixed on the corresponding supporting seats through fastening screws, the fastening screws are respectively arranged in the corresponding mounting grooves, supporting elements are arranged on the supporting plates, the inner end plates of the two supporting seats are connected through the connecting screws, positioning nuts are arranged at two ends of the connecting screws, and the two positioning nuts are respectively arranged in the corresponding supporting seats.

The double-screw lifting driving device comprises a double-screw lifting driving device and is characterized in that a double-screw is arranged between the two supporting seat lifting driving devices, two screw sections with opposite screwing directions are arranged on two sides of the double-screw lifting driving device, a spacing adjusting sleeve is arranged on one side of the supporting seat lifting driving device, the screw sections on two sides of the double-screw lifting driving device are respectively inserted into the spacing adjusting sleeve on the corresponding side in a threaded manner, nuts matched with the screw sections on the corresponding side of the double-screw lifting driving device are arranged in the spacing adjusting sleeve, and a hand wheel is arranged at any end of the double-screw lifting driving device.

The mounting plate is characterized in that support plates are arranged on two sides of the mounting plate, an adjusting chute is formed in the support plates, a locking bolt is arranged on the adjusting plate, and the lower side of the locking bolt passes through the adjusting chute on the corresponding side and is in threaded connection with a locking nut.

The movable trolley is characterized in that a movable sliding rail and a movable rack are arranged on the frame body, movable driving components are arranged on the lower side of the movable trolley and the lower side of the mounting bottom plate, each movable driving component comprises a movable motor, a movable gear and a connecting plate, the movable motor is arranged on the connecting plate, the lower side of the connecting plate is provided with a movable sliding block matched with the movable sliding rail on the corresponding side, the movable gear is mounted on an output shaft of the movable motor and meshed with the movable rack, and the movable trolley and the mounting bottom plate are fixedly connected with the corresponding connecting plates respectively.

The utility model has the advantages and positive effects that:

1. The chuck can adjust the height according to the specification of the pipe fitting, so that the use flexibility and the application range of the utility model are improved, and the supporting seat lifting driving device can support the lifting seat from the lower side, so that the stability of the support of the chuck and the chuck rotary driving assembly is ensured, and the support requirement of the large-specification pipe fitting can be met.

2. According to the utility model, the height of the chuck is adjusted by lifting the lifting seat in the mobile trolley, the lifting guide rod is arranged on the lower side of the horizontal plate of the lifting seat, and the lifting slide rail matched with the vertical plate of the lifting seat can adopt a slide rail with a T-shaped cross section.

3. The lower side of the movable trolley is provided with the lower base, and the chuck lifting driving device and the control device matched with the chuck lifting driving device can be integrally arranged on the lower base, so that the structure of the movable trolley is compact.

4. The support assembly adopted in one embodiment of the utility model comprises two support seats with adjustable heights and intervals, the support seats are driven to vertically lift through the corresponding support seat lifting driving devices, the height adjustment range of the support seats is improved, and accordingly the support seats can be matched with the height adjustment of the chuck better, in addition, the support seats can be replaced with support plates with proper support elements according to requirements, and the use flexibility and the application range of the utility model are further improved.

Drawings

Figure 1 is a front view of the present utility model,

Figure 2 is a schematic perspective view of the mobile cart of figure 1,

Figure 3 is a top view of the mobile cart of figure 2,

Figure 4 is A-A view of figure 3,

Figure 5 is a schematic view of the drive assembly on the underside of the travelling car of figure 2,

Figure 6 is a schematic view of a support assembly used in one embodiment of the present utility model,

Figure 7 is a schematic perspective view of two support bases of figure 6,

FIG. 8 is a schematic view of the two holders of FIG. 7 in use,

FIG. 9 is a second schematic view of the two holders shown in FIG. 7,

Fig. 10 is an enlarged view at B in fig. 6.

Wherein 1 is a mounting bottom plate, 101 is an adjusting chute, 102 is a support plate, 2 is an adjusting bottom plate, 201 is a locking bolt, 202 is a locking nut, 3 is a support seat lifting driving device, 301 is a lifting shaft, 4 is a space adjusting sleeve, 5 is a double-threaded screw, 501 is a hand wheel, 6 is a support seat, 601 is a side plate, 6011 is a mounting groove, 602 is an inner end plate, 603 is a fastening screw, 7 is a support plate, 701 is a support element, 8 is a connecting screw, 801 is a positioning nut, 9 is a moving trolley, 901 is an upper seat body, 9011 is a front side plate, 9012 is an adjusting elongated groove, 902 is a lower seat body, 903 is a chuck lifting driving device, 904 is a lifting seat, 9041 is a vertical plate, 9042 is a horizontal plate, 905 is a rotating motor, 906 is a driven gear, 907 is a lifting slide rail, 908 is a driving gear, 909 is a moving driving assembly, 9091 is a moving motor, 9092 is a moving gear, 9093 is a moving slide block, 9094 is a connecting plate, 910 is a lifting guide rod, 10 is a support body, 11 is a support assembly, 13 is a chuck, 13 is a moving slide rail, and 15 is a moving rack.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model comprises a moving trolley 9, a supporting component 11 and a frame body 10, wherein the moving trolley 9 and the supporting component 11 are arranged on the frame body 10, and as shown in fig. 2 to 4, the moving trolley 9 comprises an upper seat body 901 and a lower seat body 902, a lifting seat 904 is arranged in the upper seat body 901 and is slidably connected with the inner side of a front side plate 9011 of the upper seat body 901, a chuck rotary driving component is arranged on the lifting seat 904, a chuck 12 is arranged on the front side of the upper seat body 901, a chuck shaft on the rear side of the chuck 12 is connected with the chuck rotary driving component, an adjusting long groove 9012 for the chuck shaft to pass through is arranged on the front side plate 9011, as shown in fig. 2 and 4, a chuck lifting driving device 903 is arranged on the lower seat body 902, a driving shaft of the chuck lifting driving device 903 stretches into the upper seat body 901 and is fixedly connected with the lifting seat 904, and the lifting seat 904 is driven by the chuck lifting driving device 903 to integrally move along the chuck 12 when the chuck shaft is driven by the chuck lifting device 903, and the chuck shaft is driven to integrally along with the chuck 12, and the chuck 12 is adjusted to move along the chuck shaft 12 when the chuck shaft is driven to move along the chuck 12. The supporting seat lifting driving device 3 can select a linear driving device such as an air cylinder, an oil cylinder, an electric push rod and the like according to the requirements, which is a known technology in the art and is a commercially available product, and the supporting seat lifting driving device 3 is utilized to drive the chuck 12 to lift and support the lifting seat 904 from the lower side, so that the stable support of the chuck 12 and the chuck rotary driving assembly is ensured, and the supporting requirement of large-size pipe fittings can be met.

As shown in fig. 3 to 4, in this embodiment, the chuck rotation driving assembly includes a rotating motor 905, a driving gear 908 and a driven gear 906, where the lifting seat 904 is integrally L-shaped and includes a vertical plate 9041 and a horizontal plate 9042, the rotating motor 905 is disposed on the horizontal plate 9042, the driving gear 908 and the driven gear 906 are meshed with each other and disposed on the vertical plate 9041, the driving gear 908 is fixedly connected with a chuck shaft on the rear side of the chuck 12, the driven gear 906 is fixedly connected with an output shaft of the rotating motor 905, the rotating motor 905 drives the chuck 12 to rotate through torque transmitted by the driving gear 908 and the driven gear 906, the vertical plate 9041 of the lifting seat 904 is slidably connected with the inner side of a front side plate 9011 of the upper seat 901, as shown in fig. 3, in this embodiment, a lifting slide rail 907 is disposed on the inner side of the front side plate 9011, a lifting slide groove 907 is disposed on the vertical plate 9041 and is matched with the lifting slide rail, and a bearing for supporting the chuck shaft to rotate is disposed in the vertical plate 9041.

In this embodiment, as shown in fig. 4, the lower sides of two ends of the horizontal plate 9042 of the lifting seat 904 are respectively provided with a lifting guide rod 910, the lower seat 902 is provided with a guide through hole for the lifting guide rod 910 to pass through, as shown in fig. 3, the lifting slide rail 907 can adopt a slide rail with a T-shaped cross section, the above structures can ensure that the lifting seat 904 is stably lifted vertically, and in addition, a control device matched with the chuck lifting driving device 903 and the like can be integrally arranged in the lower seat 902, so that the overall structure of the utility model can be ensured to be compact, and the utility model can be provided with a height sensor on the lifting seat 904 according to the requirement to cooperatively realize real-time monitoring and accurate control of the height of the lifting seat 904, wherein the height sensor is a well-known technology in the field and is a commercially available product.

As shown in fig. 2 and 5, the frame 10 is provided with a moving slide rail 14 and a moving rack 15, the lower side of the moving trolley 9 is provided with a moving driving assembly 909, in this embodiment, the moving driving assembly 909 includes a moving motor 9091, a moving gear 9092 and a connecting plate 9094, the moving motor 9091 is disposed on the connecting plate 9094, the upper side of the connecting plate 9094 is fixedly connected with the body of the moving trolley 9, the lower side of the connecting plate 9094 is provided with a moving slide block 9093 matched with the moving slide rail 14 on the corresponding side, the moving gear 9092 is mounted on the output shaft of the moving motor 9091 and is meshed with the moving rack 15, the moving motor 9091 drives the moving gear 9092 to rotate so as to enable the moving gear 9092 to move along the moving rack 15, and further drive the moving trolley 9 to move, in this embodiment, the moving motor 9091 is disposed on two sides of the rear end of the moving trolley 9, the front end of the moving trolley 9 is provided with only a moving slide block 9093 matched with the moving slide rail 14, and the moving gear 9092 and the moving rack 15 can realize self-locking.

In one embodiment of the present utility model, the supporting component 11 may be selected from the existing conventional structure, for example, a scissor arm type supporting roller structure in CN213701985U patent is adopted, but in this structure, since the supporting roller is directly fixed on the scissor arm, it cannot replace a suitable supporting element according to need, and the scissor arm is limited by the opening and closing angle, the height adjustment range and the control precision of the lifting height of the supporting roller are limited, therefore, as shown in fig. 6-10, the supporting component 11 adopted in another embodiment of the present utility model comprises a mounting base plate 1, an adjusting base plate 2, a supporting seat lifting driving device 3, a supporting seat 6, a supporting plate 7 and a connecting screw 8, wherein two adjusting base plates 2 are respectively movably and adjustably arranged on the mounting base plate 1, two supporting seat lifting driving devices 3 are respectively arranged on the corresponding adjusting base plates 2, and the lifting shaft 301 is disposed on the upper side of the supporting seat lifting driving device 3, two supporting seats 6 are respectively mounted on the lifting shaft 301 of the corresponding side supporting seat lifting driving device 3, as shown in fig. 7, the supporting seats 6 comprise side plates 601 on two sides and an inner end plate 602 on the inner side, a section of inclined edge is disposed on the upper side of the side plates 601, a plurality of mounting grooves 6011 are disposed on the inclined edge at equal intervals, two sides of the supporting plate 7 are fixed on the corresponding supporting seats 6 through fastening screws 603, each fastening screw 603 is respectively disposed in the corresponding mounting groove 6011, a supporting element 701 is disposed on the supporting plate 7, as shown in fig. 6 and 8-9, the inner end plates 602 of the two supporting seats 6 are connected through a connecting screw 8, positioning nuts 801 are disposed on two ends of the connecting screw 8, and the two positioning nuts 801 are respectively disposed in the corresponding supporting seats 6. In this embodiment, the supporting seat lifting driving device 3 is used to directly drive the corresponding supporting seat 6 to lift, which improves the height adjusting range of the supporting seat 6, and can better control the lifting height of the supporting seat 6, so as to better match with the height adjustment of the chuck 12 of the present utility model. The supporting seat lifting driving device 3 is a well-known technology in the art and is a commercially available product, for example, a linear driving device such as an electric push rod can be adopted, and the two supporting seat lifting driving devices 3 need to ensure synchronous lifting.

In this embodiment, as shown in fig. 6, a double-threaded screw 5 is disposed between two supporting seat lifting driving devices 3, two opposite-rotation thread sections are disposed on two sides of the double-threaded screw 5, a distance adjusting sleeve 4 is disposed on one side of the supporting seat lifting driving device 3, the thread sections on two sides of the double-threaded screw 5 are respectively inserted into the distance adjusting sleeve 4 on the corresponding side, a nut matched with the thread section on the corresponding side of the double-threaded screw 5 is disposed in the distance adjusting sleeve 4, a hand wheel 501 is disposed at any end of the double-threaded screw 5, an operator screws the hand wheel 501 to drive the double-threaded screw 5 to rotate, and then drive the two distance adjusting sleeves 4 to move in opposite directions, namely drive the two supporting seat lifting driving devices 3 to move in opposite directions, so as to achieve the purpose of adjusting the distance between the two supporting seats 6. The hand wheel 501 may be replaced by an automatic driving device such as a micro motor according to actual needs.

As shown in fig. 6 and 10, in this embodiment, the support plates 102 are disposed on two sides of the mounting base plate 1, the support plates 102 are provided with the adjusting chute 101, the adjusting base plate 2 is provided with the locking bolt 201, the lower side of the locking bolt 201 passes through the adjusting chute 101 on the corresponding side and is in threaded connection with the locking nut 202, during adjustment, an operator firstly screws down the locking nut 202, so that the locking bolt 201 can move along the corresponding adjusting chute 101, meanwhile, the adjusting chute 101 can also play a role of moving and guiding, a section of optical axis section can be disposed on the locking bolt 201 to be matched with the adjusting chute 101, and after the positions of the two adjusting base plates 2 are determined, the operator screws up the locking nut 202 again, so that the locking nut 202 and the nut of the locking bolt 201 are matched to clamp and lock the adjusting base plate 2.

As shown in fig. 6, in this embodiment, the supporting elements 701 on the supporting plate 7 are supporting balls, the supporting elements 701 may also adopt supporting rollers or other elements as required, and in this embodiment, the supporting plate 7 with a supporting element 701 of a suitable specification may be detached and replaced according to actual needs, when the supporting plate 7 is replaced, the old supporting plate 7 may be detached and replaced with a new supporting plate 7 only by unscrewing the fastening screw 603 outwards, the operation is simple and convenient, both sides of the replaced supporting plate 7 are also fixed on the corresponding supporting seat 6 by the fastening screw 603, but the number of the fastening screws 603 and the positions of the through mounting grooves 6011 may be changed according to the situation of the replaced supporting plate 7. As shown in fig. 7, in this embodiment, the mounting groove 6011 is a U-shaped groove, so that the fastening screw 603 may be conveniently placed in the corresponding mounting groove 6011, and then the operator tightens the fastening screw 603 again to make the nut thereof closely attach to the side plate 601 of the support seat 6, and screw holes matched with the fastening screw 603 are formed on both sides of the support plate 7.

As shown in fig. 1, the mounting base plate 1 may be fixed on the frame 10, or may be movably disposed on the frame 10 according to needs, and the underside of the mounting base plate 1 may be provided with a moving driving assembly 909 which is the same as the moving trolley 9 as shown in fig. 5, where a connecting plate 9094 in the moving driving assembly 909 is fixedly connected to a side edge of the mounting base plate 1, so that the moving trolley 1 and the supporting assembly 11 may all adjust positions to be suitable for intersecting line processing requirements of the pipe fitting 13 with different lengths, thereby further improving use flexibility and application range of the present utility model.

The working principle of the utility model is as follows:

As shown in fig. 1, when the utility model works, one end of a pipe 13 to be processed is clamped and fixed by the chuck 12 on the moving trolley 9, the other end of the pipe 13 is supported by the supporting component 11, and the chuck 12 of the utility model can be adjusted in height according to the specification of the pipe 13, so that the use flexibility and the application range are improved, as shown in fig. 4, when the height of the chuck 12 is adjusted, the chuck lifting driving device 903 at the lower side of the moving trolley 9 starts to drive the lifting seat 904 to move up and down, so as to drive the chuck rotary driving component on the lifting seat 904 to lift and adjust together with the chuck 12, as shown in fig. 1, the front side of the upper seat 901 of the moving trolley 9 is provided with the adjusting long groove 9012 along the vertical direction, and the chuck shaft at the rear side of the chuck 12 is lifted and moved along the adjusting long groove 9012 when the height of the chuck 12 is adjusted.

In addition, the supporting component 11 of the utility model can also be adjusted in a matching way, in one embodiment of the utility model, a scissor arm type supporting roller structure in the CN213701985U patent is adopted, at the moment, the height and the interval of the supporting rollers can be adjusted by adjusting the opening and closing angle of the scissor arm, but in consideration of the limited adjusting range and the limited control precision of the structure, the supporting component 11 can not be well matched with the height adjustment of the chuck 12 in many cases, therefore, in another embodiment of the utility model, the supporting component 12 structure shown in fig. 6-10 is adopted, two supporting seats 6 in the supporting component 12 are directly driven to synchronously lift by two supporting seat lifting driving devices 3, on the one hand, the height adjusting range of the supporting seats 6 is improved, on the other hand, the lifting height of the supporting seats 6 can be better controlled, so that the supporting seats can be matched with the height adjustment of the chuck 12, and the inner end plates 602 of the two supporting seats 6 are connected by the connecting screw 8, so that the two supporting seats 6 can be always in a flush state during lifting. The distance between the two supporting seats 6 in the supporting component 12 can also be adjusted according to the requirement, when the distance between the two supporting seats is adjusted, as shown in fig. 8, an operator firstly screws the two positioning nuts 801 on the connecting screw 8 outwards to enable the two supporting seats 6 to have a space for adjusting the distance, then as shown in fig. 10, the operator screws the locking nuts 202 on the lower side of the support plate 102 of the mounting bottom plate 1 downwards to unlock the adjusting bottom plate 2, then the operator screws the hand wheel 501 again to drive the double-threaded screw 5 to rotate, and then drives the two supporting seat lifting driving devices 3 to drive the supporting seats 6 to move oppositely or reversely to adjust the distance, after the positions of the two supporting seats 6 are determined, the operator screws the locking nuts 202 to lock the adjusting bottom plate 2, then screws 801 on the connecting screw 8 are screwed inwards to lock the distance between the two supporting seats 6, the supporting component 11 can be firmly locked through the locking nuts 202 and the positioning nuts 801, and further the positioning firmness of the two supporting seats 6 can be fully ensured and the pipe fitting supporting positioning requirement during the pipe fitting intersecting line processing can be met. The supporting component 11 can also be used for replacing the supporting plate 7 with the proper supporting element 701 according to the requirement, and the old supporting plate 7 can be detached and replaced by the new supporting plate 7 only by screwing and unscrewing the fastening screw 603 outwards during replacement, so that the operation is simple and convenient.

Claims (8)

1. A straight tube intersecting line cutting locating component is characterized in that: including travelling car (9), supporting component (11) and support body (10), travelling car (9) and supporting component (11) are all located on support body (10), travelling car (9) are including last pedestal (901) and lower pedestal (902), be equipped with elevating socket (904) in going up pedestal (901), and elevating socket (904) with the inboard sliding connection of preceding curb plate (9011) of going up pedestal (901), be equipped with chuck rotation driving component on elevating socket (904), go up pedestal (901) front side and be equipped with chuck (12), and the chuck axle of chuck (12) rear side with chuck rotation driving component is connected be equipped with on preceding curb plate (9011) and supply chuck axle passes adjustment elongated slot (9012), be equipped with chuck elevating driving device (903) on lower pedestal (902), and the drive shaft of chuck elevating driving device (903) stretch into in last pedestal (901) and with elevating socket (904) link firmly through supporting component (13), the other end passes through supporting component (11).

2. The straight tube intersecting line cutting and positioning assembly according to claim 1, wherein: the chuck rotation driving assembly comprises a rotating motor (905), a driving gear (908) and a driven gear (906), the lifting seat (904) comprises a vertical plate (9041) and a horizontal plate (9042), the rotating motor (905) is arranged on the horizontal plate (9042), the driving gear (908) and the driven gear (906) are meshed with each other and are arranged on the vertical plate (9041), the driving gear (908) is fixedly connected with a chuck shaft at the rear side of the chuck (12), the driven gear (906) is fixedly connected with an output shaft of the rotating motor (905), and the vertical plate (9041) is connected with the inner side of a front side plate (9011) of the upper seat body (901) in a sliding mode.

3. The straight tube intersecting line cutting and positioning assembly according to claim 2, wherein: the inner side of the front side plate (9011) is provided with a lifting slide rail (907), and the vertical plate (9041) is provided with a lifting slide groove matched with the lifting slide rail (907).

4. The straight tube intersecting line cutting and positioning assembly according to claim 2, wherein: the lower side of the horizontal plate (9042) is provided with a lifting guide rod (910), and the lower seat body (902) is provided with a guide through hole for the lifting guide rod (910) to pass through.

5. The straight tube intersecting line cutting and positioning assembly according to claim 1, wherein: the support component (11) comprises a mounting bottom plate (1), an adjusting bottom plate (2), a support seat lifting driving device (3), a support seat (6), a support plate (7) and a connecting screw rod (8), wherein the two adjusting bottom plates (2) are respectively movably and adjustably arranged on the mounting bottom plate (1), the two support seat lifting driving devices (3) are respectively arranged on the corresponding adjusting bottom plates (2), the upper side of the support seat lifting driving device (3) is provided with a lifting shaft (301), the two support seats (6) are respectively arranged on the lifting shaft (301) of the corresponding side support seat lifting driving device (3), the support seats (6) comprise side plates (601) on two sides and inner end plates (602) on the inner side, the upper sides of the side plates (601) are provided with a plurality of mounting grooves (6011), the two sides of the support plate (7) are respectively arranged in the corresponding mounting grooves (6011) through fastening screws (603), the support plates (7) are provided with support elements (701), the inner ends of the two support plates (6) are respectively connected with the connecting screw rods (801) through the connecting screw rods (8), and the two positioning nuts (801) are respectively arranged in the corresponding supporting seats (6).

6. The straight tube intersecting line cutting and positioning assembly as defined in claim 5, wherein: be equipped with double-thread screw (5) between two supporting seat lift drive arrangement (3), and double-thread screw (5) both sides are equipped with and revolve two screw thread sections that are opposite, supporting seat lift drive arrangement (3) one side is equipped with interval adjustment cover (4), and the screw thread section of double-thread screw (5) both sides is the screw thread cartridge respectively in interval adjustment cover (4) of corresponding side, be equipped with in interval adjustment cover (4) with double-thread screw (5) correspond side screw thread section complex nut, arbitrary tip of double-thread screw (5) is equipped with hand wheel (501).

7. The straight tube intersecting line cutting and positioning assembly as defined in claim 5, wherein: the mounting base plate (1) both sides are equipped with extension board (102), and be equipped with on extension board (102) and adjust spout (101), be equipped with locking bolt (201) on adjusting base plate (2), and locking bolt (201) downside pass behind adjusting spout (101) of corresponding side and lock nut (202) threaded connection.

8. The straight tube intersecting line cutting and positioning assembly as defined in claim 5, wherein: be equipped with on support body (10) and remove slide rail (14) and remove rack (15), travelling car (9) downside and mounting plate (1) downside all are equipped with removal drive assembly (909), remove drive assembly (909) including mobile motor (9091), removal gear (9092) and connecting plate (9094), wherein mobile motor (9091) are located on connecting plate (9094), and connecting plate (9094) downside is equipped with and removes slider (9093) and corresponds side and remove slide rail (14) cooperation, remove gear (9092) install in on the output shaft of mobile motor (9091) and with remove rack (15) meshing, travelling car (9) and mounting plate (1) link firmly with connecting plate (9094) that corresponds respectively.