CN219151589U - A tool holder structure of ultra-precision center-type CNC machine tool - Google Patents

Abstract

The tool post structure of the ultra-precision centering type CNC machine tool disclosed by the utility model includes an upper side milling seat, a side milling drive motor, a left milling device, a right milling device, an upper processing tool, a left knife row and a right knife row, and an upper The side milling seat is installed on the slide plate of the machine tool, the side milling drive motor is installed on the upper side milling seat, the left milling device includes the left milling seat and the left milling power head, and the left milling power head is installed horizontally on the left milling seat The right side, the right side milling device includes the right milling seat and the right milling power head, the upper processing tool is installed on the lower part of the upper side milling seat, and the upper processing tool is driven by the side milling drive motor to rotate on the upper side milling seat. For machining workpieces, the left knife bank is installed on the slide plate and is located under the left milling device, and the right knife bank is installed on the slide plate and is located under the right milling device, which is used to turn the workpiece from the right side of the workpiece processing. The utility model can process workpieces in different forms, and can effectively improve the processing efficiency and precision of the workpieces.

Description

A tool holder structure of ultra-precision center-type CNC machine tool

technical field

The utility model relates to a tool holder structure of an ultra-precise center-moving numerical control machine tool, which belongs to the technical field of machine tools.

Background technique

The tool holder structure is one of the core structures of the machine tool. The machine tool processes the workpiece correspondingly to the tool on it. The installation of the tool on the machine tool is relatively simple. Generally, a machine tool only processes the workpiece in one form. When processing complex parts, the machine tool of the form may need to process the workpiece on different machine tools, which reduces the processing efficiency of the workpiece. Since the processing of the workpiece is completed on different machine tools, the workpiece needs to be clamped multiple times. , thereby affecting the machining accuracy of the workpiece.

In order to solve the above problems, the Chinese invention patent application with the application publication number CN115533533A discloses a secondary shaft structure, which includes a base, a tool driving servo motor, a gear shaft A, a gear shaft B and a gear D, and the base includes a base unit A and base unit B, the tool driving servo motor is installed on the base unit A, the output shaft of the tool driving servo motor passes through the base unit A and extends into the gear cavity A and is equipped with a gear A, and the gear shaft A is vertically arranged In gear chamber A, gear B and bevel gear A are installed on it, gear B meshes with gear A, gear shaft B is horizontally arranged in gear chamber A, gear C and bevel gear B are installed on it, and bevel gear A It meshes with the bevel gear B, the gear D is rotatably set in the gear chamber A, and the gear D is driven by the gear C to rotate.

Although the above-mentioned patent application is equipped with the first end milling power head, side milling power head and side milling power head, but limited by its structure, only one row of cutters can be installed on it, and the cutting edge on the cutter row faces a side, and the above-mentioned patent application only sets the side milling power head on the bottom and right side of the base unit B, so when the cutter row is worn out, it is still necessary to stop the machine to replace the cutter row, so the processing efficiency of the workpiece can be further improved , and the workpiece needs to be repositioned after changing the tool, which may also affect the machining accuracy of the workpiece.

Contents of the invention

The purpose of the utility model is to provide an ultra-precision centering type CNC machine tool holder structure, which solves the technical defects of the machining efficiency and machining accuracy reduction of the machine tool to the workpiece in the prior art.

In order to solve the above problems, the technical solution adopted by the utility model is: an ultra-precision centering type CNC machine tool holder structure, including an upper side milling seat, a side milling drive motor, a left milling device, a right milling device, an upper Processing tools, left cutter row and right cutter row, the upper side milling seat is installed on the slide plate of the machine tool in use, the side milling drive motor is installed on the upper side milling seat, the left milling device includes the left milling seat and is installed on the More than one left milling power head on the left milling seat, the left milling seat is installed on the slide plate and located on the left side of the upper side milling seat, the left milling power head is installed horizontally on the right side of the left milling seat, and is controlled by The side milling drive motor is driven to rotate on the left milling seat for side milling of the workpiece. The right milling device includes the right milling seat and more than one right milling power head installed on the right milling seat. The milling seat is installed on the right side of the upper side milling seat, and the right milling power head is driven by the side milling drive motor to rotate on the right milling seat. The right milling power head can be used for side milling or drilling on the workpiece , the upper processing tool has more than one, and is installed on the lower part of the upper side milling seat, the upper processing tool is driven by the side milling drive motor to rotate on the upper side milling seat, used to process the workpiece, the left knife row is installed on the slide plate, and is located Below the left milling unit for turning the workpiece from the left side of the workpiece, the right tool bank is mounted on the slide and is located below the right milling unit for turning the workpiece from the right side of the workpiece . In the utility model, the left side milling device can carry out side milling on the workpiece from the left side of the workpiece, and the right side milling device can carry out side milling on the workpiece from the right side of the workpiece, and the right side milling device can also drill holes on the workpiece. Processing, the upper processing tool is used to process it from the top of the workpiece. The utility model can use the left knife bank or the right knife bank to turn the workpiece from the left or right side of the workpiece according to the needs, so the utility model can turn the workpiece Carry out different forms of processing, so when the workpiece needs complex processing, the utility model can complete the processing of the complex workpiece in one clamping without disassembling the tool, which improves the processing efficiency of the workpiece and also improves the processing accuracy of the workpiece , when the left or right knife row is worn out, the utility model can directly continue to process the workpiece by another knife row without stopping the machine to replace the knife row, further improving the machining accuracy and processing efficiency of the workpiece. The arrangement of various knives in the machine is reasonable, and the structure is more compact.

As a further improvement of the utility model, it also includes a boring tool seat, which is installed on the slide plate, and the boring tool seat is located under the milling device on the right side, and a boring tool is installed on the boring tool seat for boring the workpiece processing. The utility model is provided with a boring tool holder, which can carry out boring processing on the workpiece when the workpiece moves in the front and rear directions, thereby improving the function of the utility model in processing the workpiece.

As a further improvement of the utility model, the boring tool holder is Z-shaped, which includes a mounting part, a supporting part and a connecting part. The left and right sides are perpendicular to the support part, the connection part is used for detachable installation on the slide plate, and the boring tool is installed on the installation part. The connecting part in the utility model facilitates the overall installation of the boring tool holder on the slide plate, and the supporting part can connect the mounting part and the supporting part, and leave a space between the mounting part and the sliding plate to facilitate the installation of the boring tool.

As a further improvement of the utility model, the top of the right milling seat is rotatably connected to the upper milling seat, and the right milling seat is driven by a rotary drive motor to rotate relative to the upper milling seat. In the utility model, the right milling seat and the upper milling seat are rotatably connected, and the angle between the right milling power head and the workpiece can be adjusted through the rotation of the right milling seat, so that the right milling power head can carry out the work on the workpiece. Different processing further improves the function of the utility model for processing workpieces.

As a further improvement of the utility model, the bottom of the right side milling seat is rotatably installed with a support frame, and the support frame is installed on a slide plate for supporting the right side milling seat from the bottom. The utility model is provided with a support frame, and by supporting it from the bottom of the right milling seat, the stability of the right milling seat is improved, thereby effectively improving the machining accuracy of the utility model for workpieces.

As a further improvement of the utility model, a hollow reducer is also provided. The hollow reducer is installed on the upper side milling seat. The top end of the right milling seat is connected to the hollow reducer in rotation. The right milling seat rotates, and the hollow reducer is provided with a connecting shaft A that runs through it up and down, which is used to connect the side milling drive motor and the right milling power head. The connecting shaft A can rotate relative to the hollow reducer. The utility model installs the hollow reducer, so that the connecting shaft A can be connected to the right milling power head and the gear transmission mechanism, and the rotation of the right milling seat will not make the right milling power head and the connecting shaft A separate, so that this The utility model can stably drive the rotation of the right milling power head.

As a further improvement of the utility model, the side milling drive motor uses a gear transmission mechanism to drive the left milling power head, the right milling power head and the upper processing tool to rotate, and an inner cavity for installing the gear transmission mechanism is provided on the upper side milling seat , the top of the upper side milling seat is equipped with a side milling motor plate, which is used to seal the gear transmission mechanism in the inner cavity, and the output shaft of the side milling drive motor extends into the inner cavity through the side milling motor plate, and is used to drive the gear transmission mechanism. The utility model provides an inner cavity on the upper side milling seat, and through a gear transmission mechanism, a side milling driving motor can simultaneously drive the left milling power head, the right milling power head and the upper processing tool to rotate, reducing the cost. The utility model needs to install the number of drive motors. By setting the side milling motor mounting plate, the utility model facilitates the installation of the gear transmission mechanism on the one hand, and on the other hand, closes the inner cavity to reduce the metal chips generated during the workpiece processing from entering the inner cavity. Adverse effects on the gear drive mechanism.

As a further improvement of the utility model, the left milling seat includes a left milling seat body and a left milling gear cover plate, a left gear cavity is opened on the left milling seat body, and the left milling seat body is on the right side from top to bottom. There are a plurality of left power head installation holes connected with the left gear chamber at equal intervals. The upper part of the left gear chamber is rotated in the horizontal direction and is provided with a transmission shaft A. The left end of the transmission shaft A is equipped with a gear A for connecting with the top. The gears on one left milling power head are meshed, and the gears on two adjacent left milling power heads are meshed. The top of the left milling seat body is provided with a connecting shaft B, and the bottom end of the connecting shaft B adopts a set of mutual The meshing bevel gear A is connected to the drive shaft A, and the top of the connecting shaft B is provided with a left connecting gear that meshes with the gear structure, and the left milling gear cover is installed on the left side of the left milling seat body to close the left gear cavity. The utility model converts the rotation of the longitudinal connecting shaft B into the rotation of the transmission shaft A by setting the transmission shaft A, and then through the meshing of the gear A with the gear on the left milling power head and the gear on the left milling power head, Make all left milling heads rotate synchronously.

As a further improvement of the utility model, the right milling seat includes a right milling seat body and a right milling gear cover plate, the right milling seat body is C-shaped, and a right gear cavity is opened on it, and the right milling seat body is close to One side of the left milling seat is provided with a plurality of right power head installation holes communicated with the right gear chamber at equal intervals from top to bottom. Gear B is installed to mesh with the gear on the uppermost right milling power head, the gears on the two adjacent right milling power heads are meshed, the other end of the transmission shaft B is connected to the bottom of the connecting shaft A The ends are connected by a pair of bevel gears B that mesh with each other. The top end of the connecting shaft A is provided with a right connecting gear that meshes with the gear transmission mechanism. The right milling gear cover is installed on the right milling seat body to close the right gear. cavity. The utility model converts the rotation of the connecting shaft A in the vertical state into the rotation of the transmission shaft B through the transmission shaft B, and then through the meshing of the gear B on the transmission shaft B with the gear on the right milling power head and on the right milling power head The engagement of the gears makes all the right milling power heads rotate synchronously.

As a further improvement of the utility model, a cutting detection mechanism is also included, and the cutting detection mechanism is arranged at the lower part of the right blade row. The utility model can impact the cutting detection mechanism when the workpiece is cut and falls downward through the cutting detection mechanism, so that the machine tool can send out an alarm.

In summary, the beneficial effects of the utility model are: the utility model can process workpieces in different forms, so the utility model can effectively improve the processing efficiency and precision of workpieces.

Description of drawings

Fig. 1 is the front view of the utility model not including the state of the left knife bank and the right knife bank.

Fig. 2 is a three-dimensional structural schematic view of the utility model without the state of the left blade row and the right blade row.

Fig. 3 is a front view exploded schematic diagram of the utility model without the state of the left blade row and the right blade row.

Fig. 4 is a three-dimensional exploded schematic view of the utility model without the left blade row and the right blade row.

Fig. 5 is a front view of the utility model.

Fig. 6 is a schematic diagram of the three-dimensional structure of the utility model.

Fig. 7 is a left view of the utility model.

Fig. 8 is a cross-sectional view along line A-A of Fig. 7 .

Among them: 1. Upper side milling seat, 2. Drive motor for side milling, 3. Left milling device, 4. Right milling device, 5. Upper processing tool, 6. Left cutter row, 7. Right cutter row, 8. Skateboard, 9, left milling power head, 10, right milling power head, 11, boring tool seat, 12, boring tool, 13, installation part, 14, support part, 15, connection part, 16, rotary drive motor, 17. Support frame, 18. Hollow reducer, 19. Connecting shaft A, 20. Inner cavity, 21. Side milling motor plate, 22. Left milling seat body, 23. Left milling gear cover plate, 24. Connecting shaft B, 25, left connecting gear, 26, right milling seat body, 27, right milling gear cover plate, 28, right power head installation hole, 29, transmission shaft B, 30, gear B, 31, bevel gear B, 32, right connecting gear, 33, cut off detection mechanism, 34, wire rail, 35, screw mandrel.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.

The tool holder structure of the ultra-precision centering type CNC machine tool shown in Figures 1 to 8 includes an upper side milling seat 1, a side milling drive motor 2, a left milling device 3, a right milling device 4, an upper machining tool 5, The left knife bank 6 and the right knife bank 7, the utility model is used on the machine tool, and the slide plate 8 is slidably installed on the machine tool, and the slide plate 8 is slidably arranged on the machine tool, and can slide along the left and right directions on the machine tool. Two line rails 34 up and down are installed on the machine tool along the left and right directions, a slide block (not shown) is installed on the slide plate 8, and a screw mandrel 35 is arranged on the machine tool along the left and right directions, and the screw mandrel 35 is positioned on the upper and lower two wire rails. Between the rails 34, and screw mandrel 35 and slide plate 8 screw fits, motor (not shown) is installed on the lathe, the output shaft of motor is connected with one end of screw mandrel 35, rotates by motor drive screw mandrel 35, uses Slide left and right on the lathe with driving slide plate 8.

The upper side milling seat 1 in the utility model is installed on the side of the slide plate 8 far away from the line rail 34 in the state of use, and the utility model preferably adopts the detachable installation of the upper side milling seat 1 with the slide plate 8, and the upper The side milling seat 1 is installed on the top of the slide plate 8, and the side milling drive motor 2 is detachably mounted on the top of the upper side milling seat 1.

The left milling device 3 in the utility model comprises a left milling seat and more than one left milling power head 9 installed on the left milling seat, and the utility model is preferably provided with four left milling power heads 9, four The left side milling power head 9 is installed at equal intervals from top to bottom, the left side milling seat is installed on the slide plate 8 and is positioned on the left side of the upper side milling seat 1, and the left side milling power head 9 is horizontally installed on the left side of the left milling seat The right side, and all driven by the side milling drive motor 2 to rotate on the left side milling seat, for carrying out side milling processing to the workpiece from the left side of the workpiece.

The right side milling device 4 in the utility model comprises the right side milling seat and more than one right side milling power head 10 installed on the right side milling seat, the utility model is preferably provided with three right side milling power heads 10, three The right milling power head 10 is set at equal intervals from top to bottom, the top of the right milling seat is rotated and installed on the right side of the upper side milling seat 1, and the right milling power head 10 is all driven by the side milling drive motor 2 on the right side Rotate on the milling seat, the right milling power head 10 can be used to carry out side milling on the workpiece or drill holes on the workpiece, the right milling seat in the utility model rotates relative to the upper side milling seat 1, and is used to adjust the right milling power The angle between the head 10 and the workpiece, when the right milling power head 10 is perpendicular to the workpiece, the workpiece can be milled from the right side of the workpiece, and when the right milling power head 10 and the workpiece are at another angle and When facing the workpiece, you can drill holes on the workpiece when the workpiece is moving. When the right milling power head 10 is parallel to the workpiece, you can drill holes along the center line of the workpiece at the end of the workpiece, while the right milling power head 10 When it is not vertical and parallel to the workpiece, the oblique hole can be drilled on the workpiece in conjunction with the horizontal and front-to-back movement of the workpiece. In the utility model, the top of the milling seat on the right side is rotationally connected with the milling seat 1 on the upper side, and the milling seat on the right side is preferably driven by a rotary drive motor 16 to rotate relative to the milling seat 1 on the upper side.

There is more than one upper processing cutter 5 in the utility model, and it is installed on the bottom of the upper side milling seat 1. In this embodiment, two upper processing cutters 5 are preferably arranged, and the upper processing cutter 5 in the utility model can be used for side milling. The power head can also be other cutting tools. The upper machining tool 5 is driven by the side milling drive motor 2 to rotate on the upper side milling seat 1, so as to be used for processing workpieces in use. As the upper machining tool 5 in the utility model adopts the upper The side milling power head can perform side milling on the workpiece from the top of the workpiece when it is in use.

The left knife bank 6 in the utility model is installed on the slide plate 8, and is positioned at the bottom of the milling device 3 on the left side, and is used for turning the workpiece from the left side of the workpiece. The left knife bank 6 in the utility model preferably adopts The bolt is detachably installed on the slide plate 8, and the cutting edge of the turning tool on the left knife bank 6 is set towards the right side. The right knife bank 7 in the utility model is installed on the slide plate 8, and is positioned under the milling device 4 on the right side. It is used to turn the workpiece from the right side of the workpiece. Similarly, the right knife row 7 in the utility model is detachably installed on the slide plate 8 by bolts, and the cutting edge of the turning tool on the right knife row 7 faces to the left. Side setting, promptly the cutting edge of turning pin on the left row of cutters 6 and the right row of cutters 7 in the utility model is oppositely arranged.

The utility model is equipped with a boring tool holder 11 on the slide plate 8, and the boring tool holder 11 is located under the milling device 4 on the right side, and a boring tool 12 is installed on the boring tool holder 11, and the length direction of the boring tool 12 is to be processed. The length direction of the workpiece is the same, and it is used to carry out boring processing to the workpiece. The boring tool holder 11 in the utility model is installed between the right milling seat and the right knife bank 7, that is, the right knife bank 7 is installed on the side of the boring tool holder 11. below. The boring tool holder 11 in the utility model is Z-shaped, and the boring tool holder 11 includes a mounting portion 13, a supporting portion 14 and a connecting portion 15, wherein the mounting portion 13 and the connecting portion 15 are respectively fixedly connected to the two ends of the supporting portion 14, The installation part 13 and the connection part 15 are respectively located on the left and right sides of the support part 14 and are perpendicular to the support part 14. The installation part 13, the support part 14 and the connection part 15 in the utility model are preferably made in an integrated form to ensure that the entire For the strength of the boring tool holder 11, the connecting portion 15 is used to detachably install on the slide plate 8 by adopting a plurality of bolts, and the boring tool 12 in the utility model is installed on the mounting portion 13.

In order to improve the stability of the right milling seat, the utility model rotates and installs a support frame 17 at the bottom of the right milling seat. The support frame 17 is detachably installed on the slide plate 8 by bolts, and is used to support the right milling seat from the bottom. , the support frame 17 in the utility model is located above the boring tool seat 11, wherein the upper surface of the boring tool seat 11 is in contact with the lower surface of the support frame 17, or a gap is left.

The utility model is provided with a hollow reducer 18, the shell of the hollow reducer 18 is detachably installed on the bottom of the upper side milling seat 1 by bolts, and the top of the right milling seat and the rotating platform of the hollow reducer 18 adopt The bolts are detachable, the shell of the hollow reducer 18 is fixed relative to the upper milling seat 1, and the right milling seat rotates relative to the upper milling seat 1 through the relative rotation of the rotating platform of the hollow reducer 18 and the shell, In the utility model, the rotary drive motor 16 is detachably installed on the shell of the hollow reducer 18 by bolts, and the rotary drive motor 16 is located on the right side of the hollow reducer 18, and the rotary drive motor 16 is used to drive the right milling seat to rotate , the utility model is provided with a connecting shaft A19 that runs through the hollow reducer 18, which is used to connect the side milling drive motor 2 and the right milling power head 10. The connecting shaft A19 can rotate relative to the hollow reducer 18. The utility model The hollow speed reducer 18 in itself is prior art, and the utility model is not described in detail to its structure.

The side milling drive motor 2 in the utility model uses a gear transmission mechanism to drive the left milling power head 9, the right milling power head 10 and the upper processing tool 5 to rotate. In the inner cavity 20 of the transmission mechanism, a side milling motor plate 21 is detachably installed on the top of the upper side milling seat 1 by bolts, and the side milling motor plate 21 is used to seal the gear transmission mechanism in the inner cavity 20, and the side milling drive The output shaft of motor 2 stretches in the inner cavity 20 through the side milling motor plate 21, and is used to drive the gear transmission mechanism. The gear transmission mechanism in the utility model is the prior art, and it is made of several meshing gears. The application publication number is disclosed by the Chinese invention patent application of CN115533533A, and the utility model is not described in detail.

In the utility model, the left side milling seat includes a left milling seat body 22 and a left milling gear cover plate 23. The left milling seat body 22 is provided with a left gear cavity, and the left side milling seat body 22 is on the right side from top to bottom. Lower equal intervals are provided with a plurality of left power head mounting holes (not shown) communicating with the left gear chamber, the number of left power head mounting holes in the utility model is identical with the number of left milling power head 9, namely In the utility model, the number of mounting holes of the left power head is four, and a transmission shaft A (not shown in the figure) is arranged on the upper part of the left gear cavity along the horizontal direction with a bearing, and a gear A is installed on the left end of the transmission shaft A , the gear A is a spur gear, and the gear A is used to mesh with the gear on the uppermost left milling power head 9. The gears on the left milling power head 9 are meshed, so in the use state, all the left milling power heads 9 in the utility model rotate synchronously, and the utility model adopts a bearing rotation installation on the top of the left milling seat body 22 There is a connecting shaft B24. The bottom end of the connecting shaft B24 is connected to the drive shaft A by a set of intermeshing bevel gears A (not shown in the figure). There is a left connecting gear 25 meshed with the gear structure, through which the left connecting gear 25 meshes with the gear transmission structure in the inner cavity 20, so that the power of the side milling drive motor 2 is transmitted to the transmission A to drive the transmission shaft A to rotate, and then The transmission shaft A drives the uppermost left milling power head 9 to rotate, and through the gear engagement on the left milling power head 9, all the left milling power heads 9 rotate synchronously. The left milling gear cover plate in the utility model 23 is detachably installed on the left side of the left side milling seat body 22 by bolts, and is used to close the left gear cavity.

The right milling seat in the utility model includes the right milling seat body 26 and the right milling gear cover plate 27, the right milling seat body 26 in the utility model is C-shaped, and the C-shaped right milling seat body 26 Opening to the left, a right gear cavity is provided on the right side milling seat body 26, and a plurality of holes communicating with the right gear cavity are provided at equal intervals from top to bottom on the right side milling seat body 26 near the left side milling seat Right power head mounting hole 28, the utility model opens the quantity of right power head mounting hole 28 and the quantity of milling power head 10 on the right side is equal, and a right side milling power head 10 is installed in each right power head mounting hole 28, on the right The upper part of the gear cavity adopts the bearing to rotate along the horizontal direction and is equipped with a transmission shaft B29, and a gear B30 is installed at one end of the transmission shaft B29, which is used to mesh with the gear on the top right milling power head 10. The utility model will After all right side milling power heads 10 are all installed in the right power head mounting holes 28, the gears on the two right side milling power heads 10 adjacent up and down are meshed, and the other end of the transmission shaft B29 is connected with the The bottom end of the shaft A19 is connected by a pair of bevel gears B31 meshing with each other. The top end of the connecting shaft A19 is equipped with a right connecting gear 32. After the connecting shaft A19 passes through the hollow reducer upwards, the right connecting gear 32 extends into the inner cavity 20 The middle meshes with the gear transmission mechanism in the inner cavity 20. The power transmission mode of driving the right side milling power head 10 to rotate by the side milling drive motor 2 in the utility model is the same as the power transmission mode of driving the left side milling power head 9. Due to this The utility model adopts a hollow reducer 18, so it will not be separated from the connecting shaft A19 when rotating on the right milling seat body 26. In the utility model, the right milling gear cover plate 27 is detachably mounted on the right milling seat by bolts On the body 26, it is used to close the right gear cavity.

The utility model is also provided with a cutting detection mechanism 33 most preferentially, and the cutting detection mechanism 33 is arranged on the bottom of the right knife row 7, and is used to detect whether the workpiece is cut off or not. The cutting detection mechanism 33 is the prior art, and the utility model can The bottom of the right knife row 7 is provided with a mounting hole along the left and right direction, and the cutting detection mechanism 33 is inserted in the mounting hole to realize the detachable installation of the cutting detection mechanism 33. The cutting detection mechanism 33 in the utility model specifically adopts the authorized announcement number It is the disclosed Chinese utility model patent of CN208358420U with a cut-off detection probe for a heart-moving machine, and its structure is not described in detail in the utility model.

Parts that are not specifically described in the above specification are all prior art, or can be realized through prior art. Moreover, the specific implementation cases described in the present invention are only preferred implementation cases of the present invention, and are not intended to limit the implementation scope of the present invention. That is, all equivalent changes and modifications made according to the contents of the patent scope of the present invention shall be regarded as the technical scope of the present invention.

Claims (10)

1. The utility model provides an ultra-precise heart formula digit control machine tool knife rest structure of walking which characterized in that: comprises an upper side milling seat (1), a side milling driving motor (2), a left side milling device (3), a right side milling device (4), an upper machining tool (5), a left tool row (6) and a right tool row (7), wherein the upper side milling seat (1) is arranged on a sliding plate (8) of a machine tool in a use state, the side milling driving motor (2) is arranged on the upper side milling seat (1), the left side milling device (3) comprises a left side milling seat and one or more left side milling power heads (9) arranged on the left side milling seat, the left side milling seat is arranged on the sliding plate (8) and is positioned on the left side of the upper side milling seat (1), the left side milling power heads (9) are horizontally arranged on the right side of the left side milling seat and are driven by the left side milling driving motor (2) to rotate on the left side milling seat for carrying out side milling on a workpiece, the right side milling device (4) comprises a right side milling seat and one or more right side milling power heads (10) arranged on the right side milling seat, the right side milling motor (4) is arranged on the right side milling seat (1) and is arranged on the right side milling seat (2) for carrying out drilling on the workpiece (5) by rotating, the left cutter row (6) is arranged on the sliding plate (8) and is positioned below the left milling device (3) and used for turning the workpiece from the left side of the workpiece, and the right cutter row (7) is arranged on the sliding plate (8) and is positioned below the right milling device (4) and used for conducting pin machining on the workpiece from the right side of the workpiece.

2. The ultra-precise walk-center type numerical control machine tool rest structure according to claim 1, wherein: the boring tool comprises a right side milling device (4), and is characterized by further comprising a boring tool holder (11), wherein the boring tool holder (11) is arranged on the sliding plate (8), the boring tool holder (11) is positioned below the right side milling device (4), and a boring tool (12) is arranged on the boring tool holder (11) and is used for boring a workpiece.

3. The ultra-precise walk-center type numerical control machine tool rest structure according to claim 2, wherein: the boring tool holder (11) is Z-shaped, comprises a mounting part (13), a supporting part (14) and a connecting part (15), wherein the mounting part (13) and the connecting part (15) are fixedly connected with two ends of the supporting part (14) respectively, the mounting part (13) and the connecting part (15) are positioned on the left side and the right side of the supporting part (14) respectively and are perpendicular to the supporting part (14), the connecting part (15) is used for being detachably mounted on the sliding plate (8), and the boring tool (12) is mounted on the mounting part (13).

4. A tool rest structure of an ultra-precise walk-center type numerical control machine tool according to claims 1 to 3, characterized in that: the top end of the right side milling seat is rotationally connected with the upper side milling seat (1), and the right side milling seat is driven by a rotary driving motor (16) to rotate relative to the upper side milling seat (1).

5. The ultra-precise walk-center type numerical control machine tool rest structure according to claim 4, wherein: the bottom of the right side milling seat is rotatably provided with a supporting frame (17), and the supporting frame (17) is arranged on the sliding plate (8) and used for supporting the right side milling seat from the bottom.

6. The ultra-precise walk-center type numerical control machine tool rest structure according to claim 4, wherein: the automatic milling machine is characterized by further comprising a hollow speed reducer (18), wherein the hollow speed reducer (18) is arranged on the upper milling seat (1), the top end of the right milling seat is rotationally connected with the hollow speed reducer (18), a rotary driving motor (16) is arranged on the hollow speed reducer (18) and used for driving the right milling seat to rotate, a connecting shaft A (19) penetrating through the hollow speed reducer (18) is arranged in the hollow speed reducer (18) and used for connecting the side milling driving motor (2) with the right milling power head (10), and the connecting shaft A (19) can rotate relative to the hollow speed reducer (18).

7. The ultra-precise walk-center type numerical control machine tool rest structure according to claim 1, wherein: the side milling driving motor (2) adopts a gear transmission mechanism to drive the left side milling power head (9), the right side milling power head (10) and the upper machining tool (5) to rotate, an inner cavity (20) for installing the gear transmission mechanism is arranged on the upper side milling seat (1), a side milling motor plate (21) is arranged at the top of the upper side milling seat (1) and used for sealing the gear transmission mechanism in the inner cavity (20), and an output shaft of the side milling driving motor (2) penetrates through the side milling motor plate (21) and stretches into the inner cavity (20) to drive the gear transmission mechanism.

8. The ultra-precise walk-center type numerical control machine tool rest structure according to claim 7, wherein: the left side mills seat and includes left side mill seat body (22) and left side mill gear apron (23), left side mill set up left gear chamber on seat body (22), right side top-down equidistant a plurality of communicating left power head mounting holes with left gear chamber of seting up of seat body (22) is milled in the left side, the upper portion in left side gear chamber rotates along the horizontal direction and is provided with transmission shaft A, gear A is installed to transmission shaft A's left end, be used for meshing with the gear on the one left side mill power head (9) that is uppermost, gear on two adjacent left side mill power heads (9) meshes, the top of seat body (22) is provided with connecting axle B (24), the bottom of connecting axle B (24) adopts a set of intermeshing's bevel gear A to be connected with transmission shaft A, the top of connecting axle B (24) is provided with left connecting gear (25) with gear structure meshing, left side mill gear apron (23) is installed in the left side of seat body (22) for sealing left side gear chamber.

9. The ultra-precise walk-center type numerical control machine tool rest structure according to claim 7, wherein: the right side mill seat includes right side mill seat body (26) and right side mill gear apron (27), right side mill seat body (26) are C shape, right side gear chamber has been seted up on it, right side mill seat body (26) are close to one side of left side mill seat and are offered a plurality of communicating right unit head mounting holes (28) with right side gear chamber from top to bottom equidistant, the upper portion in right side gear chamber is provided with transmission shaft B (29) along the rotation of horizontal direction, gear B (30) are installed to the one end of transmission shaft B (29) for with the gear on the top one right side mill unit head (10) mesh, the gear on two adjacent right side mill unit heads (10) meshes, the other end of transmission shaft B (29) is connected with the bottom of connecting axle A (19) adoption a pair of intermeshing's bevel gear B (31), the top of connecting axle A (19) is provided with right connecting gear (32) with gear drive mechanism meshing, right side mill gear apron (27) is installed on right side mill seat body (26) for seal right side gear chamber.

10. The tool post structure for a bed according to claim 1, wherein: the cutting-off detection mechanism (33) is further included, and the cutting-off detection mechanism (33) is arranged at the lower part of the right cutter row (7).

Images