CN212682522U

CN212682522U - Boring tool for machining inner hole of pipe die by heavy-duty lathe

Info

Publication number: CN212682522U
Application number: CN202021610399.2U
Authority: CN
Inventors: 张耀文; 王新全; 张启兵; 狄东奎
Original assignee: Baotou Yinhai Machinery Technology Co ltd
Current assignee: Baotou Yinhai Machinery Technology Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-12
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a boring tool for processing an inner hole of a pipe die on a heavy-duty lathe, which comprises a fixed seat, a rack, a movable seat, a boring rod, a gear and a driving mechanism, wherein the fixed seat can be detachably fixed on a guide rail of the heavy-duty lathe; the moving seat is placed on a guide rail of a heavy-duty lathe, a plurality of positioning holes are formed in the right end face of the moving seat at equal angles, and boring rods are detachably mounted in the positioning holes; the movable seat is provided with a gear, the gear is matched with the rack, and the rack is connected with the movable seat in a sliding manner; the moving seat is provided with a driving mechanism for driving the gear to rotate; this application reasonable in design, it is little to shake, and the noise is little, and the machining precision is high, and the cooling effect is good, and the chip removal is good, and production efficiency is high, has brought very big facility for the enterprise.

Description

Boring tool for machining inner hole of pipe die by heavy-duty lathe

Technical Field

The utility model relates to a heavy lathe bore hole technical field, in particular to heavy lathe processes bore hole frock of pipe die hole.

Background

Heavy-duty lathes generally refer to machines weighing 10 tons or more per machine and between 100 and 300 kN. The numerical control machine tool is an electromechanical integrated product integrating multiple technologies such as machinery, electricity, hydraulic pressure, pneumatics, microelectronics and information. The machine tool is a machine tool with the advantages of high precision, high efficiency, high automation, high flexibility and the like in mechanical manufacturing equipment. It has wide machining performance and can machine straight cylinder, inclined cylinder, circular arc and various screw threads. Has various compensation functions of linear interpolation and circular interpolation, and plays a good economic effect in the batch production of complex parts.

The boring processing mainly refers to the processing of the aperture ratio of 1: the deep holes with the depth of more than 6 are machined by special boring equipment at present, the machining range of the existing special boring equipment is less than phi 600mm and less than phi 8000mm, for example, deep holes in parts such as a gun barrel, a machine tool spindle and the like, the boring machining process of the inner hole of the pipe die becomes a technical problem of cutting machining due to factors such as inconvenient observation of the condition of a machined part, and the boring machining process is influenced by various factors such as a tool, rigidity, strength, abrasion of a cutting tool, cooling and the like, so that the machining difficulty of the hole is higher; the existing boring bar is a rigid part with longer length, so that the vibration and noise are large during boring, and the error of the inner hole of the machined pipe die is large, and the boring bar is generally used for rough machining of the pipe die; in addition, when the existing boring bar is used for boring, cooling liquid cannot be directly sprayed on a cutter, so that the cutter is seriously abraded during boring.

Disclosure of Invention

The utility model aims to provide a heavy lathe boring tool for processing the inner hole of the pipe die, which ensures that the boring bar can stably bore holes and has higher processing precision by arranging a fixed seat for supporting the boring bar and a movable seat for transverse feeding on a guide rail of the heavy lathe; in addition, the damping mechanism is arranged in the boring rod, so that vibration and noise during boring can be effectively reduced, and the machining precision of the deep hole is further improved; in addition, a cooling water pipe is arranged in the boring bar, so that the cooling liquid can directly reach the cutter; the problems proposed in the background art are effectively solved.

The utility model adopts the technical scheme as follows: a boring tool for machining an inner hole of a pipe die by a heavy lathe comprises a fixed seat, a rack, a movable seat, a boring rod, a gear and a driving mechanism, wherein the fixed seat is detachably fixed on a guide rail of the heavy lathe and comprises a lower seat and an upper seat, the top surface of the lower seat is provided with the upper seat, a through hole is formed between the upper seat and the lower seat, a damping wheel is arranged in the through hole, and the left end surface of the lower seat is provided with the rack parallel to the guide rail of the heavy lathe; the movable seat is placed on a guide rail of a heavy-duty lathe, a plurality of positioning holes are formed in the right end face of the movable seat at equal angles, a boring rod is detachably mounted in each positioning hole and comprises a positioning disc, a steel bar, a damping mechanism, a cooling water pipe, a cutter and a spray head, the positioning rods are arranged on the right end face of the positioning disc at equal angles and are inserted into the positioning holes, the steel bar is arranged on the right end face of the positioning disc, a blind hole is formed in the right end face of the steel bar, the damping mechanism is arranged in the blind hole, an L-shaped hole is formed in the steel bar, the cooling water pipe is arranged in the L-shaped hole, the cutter is detachably fixed on the right end face of the steel bar, the spray head is arranged; the movable seat is provided with a gear, the gear is matched with the rack, and the rack is connected with the movable seat in a sliding manner; and the moving seat is provided with a driving mechanism for driving the gear to rotate.

Furthermore, a locking piece is arranged on the side edge of the fixed seat, and the locking piece comprises an installation lug, a screw rod, a pressing plate and a locking spring; the installation lug symmetry sets up the side at the fixing base, threaded connection has the screw rod on the installation lug, the bottom surface of screw rod is equipped with the pressure strip, and pressure strip and screw rod eccentric mounting, be equipped with locking spring on the screw rod between installation lug and the pressure strip.

Further, the shock attenuation wheel includes outer steel ring, rubber ring, interior steel ring, the through-hole interference fit on outer steel ring and the fixing base, the inboard of outer steel ring is equipped with the rubber ring, the inboard of rubber ring is equipped with interior steel ring, and interior steel ring and rod iron sliding connection.

Furthermore, a reinforcing rib is arranged between the positioning plate and the steel bar.

Further, damper includes left clamp plate, left spring, gasbag, right spring, right clamp plate, the inner wall sliding connection of left clamp plate and blind hole, the inner wall sliding connection of right clamp plate and blind hole is equipped with left spring, gasbag, right spring between left clamp plate and right clamp plate in proper order, and the initial condition of left spring and right spring is compression state.

Further, the lateral wall of rod iron is equipped with the spacing ring, and the spacing ring is on the left side of the water inlet of condenser tube.

Further, actuating mechanism includes motor, reduction gear box's input is connected with the motor, reduction gear box's output and gear connection.

The beneficial effects of the utility model reside in that: according to the boring bar feeding device, the fixed seat for supporting the boring bar and the moving seat for transverse feeding are arranged on the guide rail of the heavy-duty lathe, so that the shaking amount of the boring bar during feeding is reduced, the boring bar can be stably bored, and the machining precision is improved; according to the boring rod, the damping mechanism is arranged in the boring rod, so that vibration and noise during boring can be effectively reduced, and the machining precision of a deep hole is further improved; the damping wheel is arranged on the fixed seat, so that the vibration of the boring bar during feeding can be reduced again; the cooling water pipe is arranged in the boring rod, so that the cooling liquid can directly reach the cutter, the cutter can be cooled, and scrap iron generated by boring can be punched; this application reasonable in design, safe and reliable, vibrations are little, and the noise is little, and the machining precision is high, and the cooling effect is good, and the chip removal is good, and production efficiency is high, has brought very big facility for the enterprise.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic perspective view of the fixing base.

Fig. 3 is a schematic perspective view of the shock-absorbing wheel.

Fig. 4 is a perspective view of the fastener.

Fig. 5 is a schematic perspective view of the movable base.

Fig. 6 is a front sectional structure diagram of the boring bar.

Fig. 7 is a front view schematically showing the structure of the damper mechanism.

Fig. 8 is a perspective view of the cutter.

Fig. 9 is a side sectional view of the driving mechanism.

In the figure: the device comprises a fixed seat 1, a lower seat 1-1, an upper seat 1-2, a through hole 1-3, a rack 2, a movable seat 3, a positioning hole 3-1, a boring bar 4, a positioning disc 4-1, a positioning bar 4-1-1, a steel bar 4-2, a blind hole 4-2-1, an L-shaped hole 4-2-2, a damping mechanism 4-3, a left pressing plate 4-3-1, a left spring 4-3-2, an air bag 4-3-3, a right spring 4-3-4, a right pressing plate 4-3-5, a cooling water pipe 4-4, a cutter 4-5, a nozzle 4-6, a reinforcing rib 4-7, a limiting ring 4-8, a gear 5, a driving mechanism 6, a motor 6-1, a reduction gear box 6-2, a damping wheel 7, 7-1 parts of outer steel ring, 7-2 parts of rubber ring, 7-3 parts of inner steel ring, 8 parts of locking part, 8-1 parts of mounting lug, 8-2 parts of screw rod, 8-3 parts of pressure plate and 8-4 parts of anti-loosening spring.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a boring tool for machining an inner hole of a pipe die by a heavy-duty lathe comprises a fixed seat 1, a rack 2, a movable seat 3, a boring rod 4, a gear 5 and a driving mechanism 6, wherein the fixed seat 1 is detachably fixed on a guide rail of the heavy-duty lathe, the fixed seat 1 comprises a lower seat 1-1 and an upper seat 1-2, the top surface of the lower seat 1-1 is connected with the upper seat 1-2 through a bolt, a through hole 1-3 is machined between the upper seat 1-2 and the lower seat 1-1, a damping wheel 7 is installed in the through hole 1-3, and the rack 2 parallel to the guide rail of the heavy-duty lathe is fixed on the left end surface of the lower seat 1-1; the movable seat 3 is placed on a guide rail of a heavy-duty lathe, a plurality of positioning holes 3-1 are machined in the right end face of the movable seat 3 at equal angles, boring rods 4 are detachably mounted in the positioning holes 3-1, each boring rod 4 comprises a positioning disc 4-1, a steel bar 4-2, a damping mechanism 4-3, a cooling water pipe 4-4, a cutter 4-5 and a spray head 4-6, positioning rods 4-1-1 are welded in the right end face of the positioning disc 4-1 at equal angles, the positioning rods 4-1-1 are spliced with the positioning holes 3-1, the steel bar 4-2 is welded in the right end face of the positioning disc 4-1, blind holes 4-2-1 are machined in the right end face of the steel bar 4-2, the damping mechanisms 4-3 are mounted in the blind holes 4-2-1, an L-shaped hole 4-2-2 is processed in the steel bar 4-2, a cooling water pipe 4-4 penetrates through the L-shaped hole 4-2-2, a cutter 4-5 is detachably fixed on the right end face of the steel bar 4-2, a spray head 4-6 is mounted on the cutter 4-5, and the spray head 4-6 is in soft connection with the cooling water pipe 4-4; the gear 5 is mounted on the movable seat 3, the gear 5 is matched with the rack 2, and the rack 2 is connected with the movable seat 3 in a sliding manner; the movable seat 3 is provided with a driving mechanism 6 for driving the gear 5 to rotate, the driving mechanism 6 comprises a motor 6-1 and a reduction gear box 6-2, the input end of the reduction gear box 6-2 is connected with the motor 6-1, and the output end of the reduction gear box 6-2 is connected with the gear 5.

In the utility model, a locking piece 8 is welded on the side edge of the fixed seat 1, and the locking piece 8 comprises an installation lug 8-1, a screw 8-2, a pressure plate 8-3 and a locking spring 8-4; the installation lugs 8-1 are symmetrically welded on the side face of the fixed seat 1, a screw 8-2 is in threaded connection with the installation lugs 8-1, a pressing plate 8-3 is rotatably connected to the bottom face of the screw 8-2, the pressing plate 8-3 and the screw 8-2 are eccentrically installed, a locking spring 8-4 is installed between the installation lug 8-1 and the pressing plate 8-3 on the screw 8-2, stability and reliability of heavy lathe boring machining can be guaranteed, the pressing plate 8-3 and the screw 8-2 are eccentrically installed, and therefore an operator who walks by mistake can be prevented from being injured.

The utility model discloses in, shock attenuation wheel 7 includes outer steel ring 7-1, rubber ring 7-2, interior steel ring 7-3, through-hole 1-3 interference fit on outer steel ring 7-1 and the fixing base 1, the inboard of outer steel ring 7-1 is fixed with rubber ring 7-2, the inboard of rubber ring 7-2 is fixed with interior steel ring 7-3, and interior steel ring 7-3 and rod iron 4-2 sliding connection, vibrations when can reduce 4 feed of boring bar once more.

In the utility model, the welding has strengthening rib 4-7 between 4-1 of positioning disk and the rod iron 4-2, increases the intensity and the rigidity of faying face, promotes the life of boring bar 4.

In the utility model, the damping mechanism 4-3 comprises a left pressing plate 4-3-1, a left spring 4-3-2, an air bag 4-3-3, a right spring 4-3-4 and a right pressing plate 4-3-5, the left pressing plate 4-3-1 is connected with the inner wall of the blind hole 4-2-1 in a sliding way, the right pressing plate 4-3-5 is connected with the inner wall of the blind hole 4-2-1 in a sliding way, the left spring 4-3-2, the air bag 4-3-3 and the right spring 4-3-4 are sequentially arranged between the left pressing plate 4-3-1 and the right pressing plate 4-3-5, and the initial state of the left spring 4-3-2 and the right spring 4-3-4 is a compression state, vibration and noise during can effectual reduction bore hole have further promoted the machining precision of deep hole.

In the utility model, the side wall welding of rod iron 4-2 has spacing ring 4-8, and spacing ring 4-8 is on the left of the water inlet of cooling water pipe 4-4, plays the effect of protection cooling water pipe 4-4.

During boring: the method comprises the following steps of replacing a cutter 4-5 according to the diameter of a machined pipe die, locking the position of a fixed seat 1 through a locking piece 8, starting a heavy-duty lathe, starting the pipe die to rotate, starting a motor 6-1, driving a gear 5 to rotate by the motor 6-1, transversely feeding the gear 5 along a rack 2, synchronously transversely feeding a movable seat 3, boring, buffering vibration generated in the process by a damping mechanism 4-3 and a damping wheel 7, directly acting a cooling liquid on the cutter 4-5, and punching out scraps in the pipe die; this application reasonable in design, safe and reliable, vibrations are little, and the noise is little, and the machining precision is high, and the cooling effect is good, and the chip removal is good, and production efficiency is high, has brought very big facility for the enterprise.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A boring tool for processing an inner hole of a pipe die by a heavy lathe comprises a fixed seat, a rack, a movable seat, a boring rod, a gear and a driving mechanism, and is characterized in that the fixed seat is detachably fixed on a guide rail of the heavy lathe and comprises a lower seat and an upper seat, the top surface of the lower seat is provided with the upper seat, a through hole is formed between the upper seat and the lower seat, a damping wheel is arranged in the through hole, and the left end surface of the lower seat is provided with the rack parallel to the guide rail of the heavy lathe; the movable seat is placed on a guide rail of a heavy-duty lathe, a plurality of positioning holes are formed in the right end face of the movable seat at equal angles, a boring rod is detachably mounted in each positioning hole and comprises a positioning disc, a steel bar, a damping mechanism, a cooling water pipe, a cutter and a spray head, the positioning rods are arranged on the right end face of the positioning disc at equal angles and are inserted into the positioning holes, the steel bar is arranged on the right end face of the positioning disc, a blind hole is formed in the right end face of the steel bar, the damping mechanism is arranged in the blind hole, an L-shaped hole is formed in the steel bar, the cooling water pipe is arranged in the L-shaped hole, the cutter is detachably fixed on the right end face of the steel bar, the spray head is arranged; the movable seat is provided with a gear, the gear is matched with the rack, and the rack is connected with the movable seat in a sliding manner; and the moving seat is provided with a driving mechanism for driving the gear to rotate.

2. The heavy-duty lathe boring tool for machining the inner hole of the pipe die is characterized in that a locking piece is arranged on the side edge of the fixed seat, and the locking piece comprises a mounting lug, a screw, a pressing plate and a locking spring; the installation lug symmetry sets up the side at the fixing base, threaded connection has the screw rod on the installation lug, the bottom surface of screw rod is equipped with the pressure strip, and pressure strip and screw rod eccentric mounting, be equipped with locking spring on the screw rod between installation lug and the pressure strip.

3. The tool for boring the inner hole of the pipe die on the heavy-duty lathe according to claim 1, wherein the damping wheel comprises an outer steel ring, a rubber ring and an inner steel ring, the outer steel ring is in interference fit with the through hole in the fixing seat, the rubber ring is arranged on the inner side of the outer steel ring, the inner steel ring is arranged on the inner side of the rubber ring, and the inner steel ring is slidably connected with the steel rod.

4. The tool for boring the inner hole of the pipe die on the heavy-duty lathe according to claim 1, wherein a reinforcing rib is arranged between the positioning plate and the steel rod.

5. The heavy-duty lathe boring tool for machining the inner hole of the pipe die is characterized in that the damping mechanism comprises a left pressing plate, a left spring, an air bag, a right spring and a right pressing plate, the left pressing plate is slidably connected with the inner wall of the blind hole, the right pressing plate is slidably connected with the inner wall of the blind hole, the left spring, the air bag and the right spring are sequentially arranged between the left pressing plate and the right pressing plate, and the initial states of the left spring and the right spring are compressed.

6. The tool for boring the inner hole of the pipe die on the heavy-duty lathe according to claim 1, wherein a limiting ring is arranged on the side wall of the steel rod, and the limiting ring is arranged on the left side of the water inlet of the cooling water pipe.

7. The tool for boring the inner hole of the pipe die on the heavy-duty lathe according to claim 1, wherein the driving mechanism comprises a motor and a reduction gear box, the input end of the reduction gear box is connected with the motor, and the output end of the reduction gear box is connected with a gear.