CN109482929B

CN109482929B - Steel pipe puncher

Info

Publication number: CN109482929B
Application number: CN201910067652.XA
Authority: CN
Inventors: 武玉平
Original assignee: Nanjing Huadong Steel Pipe Manufacturing Co Ltd
Current assignee: Nanjing Huadong Steel Pipe Manufacturing Co ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2020-07-07
Anticipated expiration: 2039-01-24
Also published as: CN109482929A

Abstract

The utility model provides a steel pipe puncher, includes the base, the symmetry is established the backup pad at base both ends, establish splint on the base, establish connecting plate between the bracing piece, establish motor on the connecting plate, with output shaft that the motor is connected, establish drill bit on the output shaft, still include and be used for reducing the dynamic balance device of drill bit shake. The dynamic balance device is arranged, so that the vibration of the drill bit during punching is reduced, and the punching precision is improved.

Description

Steel pipe puncher

Technical Field

The invention relates to the technical field of steel pipe drilling equipment, in particular to a steel pipe punching machine.

Background

In-process of practical application, we often need punch to the stainless steel pipe, and current steel pipe drilling equipment is like the stainless steel pipe puncher that patent number CN207577478U announced, including base, backup pad, connecting plate, dust collection bin and drill bit, the intermediate position department of base top installs the dust collection bin, the fixed plate is all installed to the both sides of base top, and installs the backup pad in the top of fixed plate, the top in dust collection bin is installed and is placed the board, and places the inside of board and evenly install the dust extraction pipe, the dust extraction pipe all communicates with the dust collection bin, the fixed block is all installed to the both sides of placing the board top, the top of fixed block all is provided with the mounting groove, the pneumatic cylinder is all installed at the inside both ends of mounting groove. The equipment has the advantages that the torsion of the drill bit is large in the machining process, the drill bit is easy to shake in the drilling process, the phenomena that the drill bit is easy to wear and break, the hole surface is rough, the hole diameter is too large, the hole shape is not round or inclines to one side and the like are often found, and the drilling precision is not high.

Disclosure of Invention

The invention aims to provide a steel pipe perforating machine, which solves the problem that the drilling precision of the existing steel pipe perforating machine is not high due to the shaking of a drill bit.

The technical solution of the invention is as follows: the utility model provides a steel pipe puncher, includes the base, the symmetry is established the backup pad at base both ends, establish splint on the base, establish connecting plate between the backup pad, establish motor on the connecting plate, with output shaft that the motor is connected, establish drill bit on the output shaft, still include and be used for reducing the dynamic balance device of drill bit shake.

Preferably, the dynamic balance device comprises a cavity arranged in the connecting plate, a fixed sleeve sleeved on the output shaft in the cavity, a plurality of sliding grooves arranged on the fixed sleeve, an energy absorbing mechanism arranged on the sliding grooves, a bearing sleeve fixed at one end of the energy absorbing mechanism far away from the sliding grooves, an S-shaped stress plate used for protecting the energy absorbing mechanism, and a honeycomb sleeve arranged between the S-shaped stress plate and the bearing sleeve, wherein the axial axis of the fixed sleeve coincides with the axial axis of the bearing sleeve.

Preferably, the energy absorbing mechanism comprises a sliding block connected with the sliding groove, a ball arranged at one end of the sliding block close to the output shaft, a transmission plate arranged at one end of the sliding block far away from the output shaft, a containing cavity arranged on the honeycomb sleeve at intervals, a conversion part arranged in the containing cavity and connected with the transmission plate, an adjusting sleeve arranged on the conversion part, and a rigidity adjusting hole arranged on the adjusting sleeve, wherein the axial axis of the rigidity adjusting hole penetrates through the center of the cross section of the output shaft.

Preferably, the conversion part includes a fixed magnet connected to the rigidity adjusting hole and a moving magnet connected to the transmission plate, and a repulsive path is formed between the fixed magnet and the moving magnet.

Preferably, the sliding block comprises a sliding section arranged in the sliding groove and a protruding section, and the two sides of the protruding section are fixedly connected with the S-shaped stress plate respectively.

Preferably, the middle part of the transmission plate is provided with a clamping groove for fixing the transmission plate.

Preferably, the S-shaped stress plate comprises an upper convex section fixedly connected with the honeycomb sleeve and a lower concave section attached to the fixed sleeve, and the deformation direction of the upper convex section penetrates through the middle point of the connecting line of the two ends of the clamping groove.

The invention has the beneficial effects that:

the dynamic balance device is arranged, so that the vibration of the drill bit during punching is reduced, and the punching precision is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a dynamic balancing apparatus;

FIG. 3 is an enlarged view at A;

FIG. 4 is an enlarged view of B;

FIG. 5 is a schematic view of a converting part;

in the figure: 1-base, 2-supporting plate, 3-connecting plate, 4-motor, 5-output shaft, 6-drill bit, 7-dynamic balance device, 7-1-cavity, 7-2-fixing sleeve, 7-3-chute, 7-4-energy absorbing mechanism, 7-4-1-slide block, 7-4-1-slide segment, 7-4-2-ball, 7-4-3-driving plate, 7-4-3-1-clamping groove, 7-4-4-conversion portion, 7-4-4-1-fixed magnet, 7-4-4-2-moving magnet and 7-4-4-3-repulsion channel, 7-4-5-adjusting sleeve, 7-4-6-rigidity adjusting hole, 7-4-7-containing cavity, 7-5-bearing sleeve, 7-6-S type stress plate, 7-7-honeycomb sleeve and 8-splint.

The invention is further illustrated by the following examples in connection with the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

The embodiment, as shown in fig. 1, comprises a base 1, support plates 2 symmetrically arranged at two ends of the base 1, preferably, springs for supporting a connecting plate 3 are arranged on the support plates 2, clamping plates 8 arranged on the base 1, the connecting plates 3 arranged between the support plates 2, a motor 4 arranged on the connecting plates 3, an output shaft 5 connected with the motor 4, a drill 6 arranged on the output shaft 5, and a dynamic balancing device 7 for reducing the shaking of the drill 6.

As shown in fig. 2, 3 and 4, the dynamic balance device 7 comprises a cavity 7-1 arranged in a connecting plate 3, a fixed sleeve 7-2 arranged in the cavity 7-1 and sleeved on an output shaft 5, a plurality of chutes 7-3 arranged on the fixed sleeve 7-2, an energy absorbing mechanism 7-4 arranged on the chutes 7-3, a bearing sleeve 7-5 fixed at one end of the energy absorbing mechanism 7-4 far away from the chute 7-3, an S-shaped stress plate 7-6 for protecting the energy absorbing mechanism 7-4, and a honeycomb sleeve 7-7 arranged between the S-shaped stress plate 7-6 and the bearing sleeve 7-5, wherein the S-shaped stress plate 7-6 comprises an upper convex section fixedly connected with the honeycomb sleeve 7-7 and a lower concave section attached with the fixed sleeve 7-2, the deformation direction of the upper convex section passes through the midpoint of a connecting line of two ends of a clamping groove 7-4-3-1, the axial axes of the fixed sleeve 7-2 and the bearing sleeve 7-5 are superposed, and the energy absorption mechanism 7-4 is matched with the S-shaped stress plate 7-6, so that the shaking phenomenon generated when steel pipes with different hardness are punched can be reduced, and the punching precision is improved. The energy absorbing mechanism 7-4 comprises a sliding block 7-4-1 connected with the sliding groove 7-3, a ball 7-4-2 arranged at one end of the sliding block 7-4-1 and close to the output shaft 5, preferably, the ball 7-4-2 is connected with the sliding block 7-4-1 in a rolling way, a transmission plate 7-4-3 arranged at one end of the sliding block 7-4-1 and far away from the output shaft 5, a containing cavity 7-4-7 arranged on the honeycomb sleeve 7-7 at intervals, a conversion part 7-4-4 arranged in the containing cavity 7-4-7 and connected with the transmission plate 7-4-3, an adjusting sleeve 7-4-5 arranged on the conversion part 7-4-4, and a rigidity adjusting hole 7-4-6 arranged on the adjusting sleeve 7-4-5, the middle part of the transmission plate 7-4-3 is provided with a clamping groove 7-4-3-1 for fixing the transmission plate 7-4-3, the axial axis of the rigidity adjusting hole 7-4-6 passes through the center of the cross section of the output shaft 5, and the sliding block 7-4-1 is pushed to move in the sliding groove 7-3 at the moment of the stress of the ball 7-4-2 to drive the transmission plate 7-4-3 to move towards the adjusting sleeve 7-4-5, and at the moment, the moving magnet 7-4-4-2 moves towards the fixed magnet 7-4-1, so that the rigidity adjusting hole 7-4-6 is deformed to absorb kinetic energy.

As shown in fig. 5, the switching part 7-4-4 includes a fixed magnet 7-4-4-1 connected to the rigidity adjusting hole 7-4-6 and a moving magnet 7-4-4-2 connected to the driving plate 7-4-3, where the fixed magnet 7-4-4-1 and the moving magnet 7-4-4-2 have the same magnetism, and a repulsive path 7-4-4-3 is formed between the fixed magnet 7-4-4-1 and the moving magnet 7-4-4-2.

As shown in figure 4, the sliding block 7-4-1 comprises a sliding section 7-4-1-1 arranged in the sliding groove 7-3 and protruding sections, two sides of the protruding sections are fixedly connected with the S-shaped stress plate 7-6 respectively, when the sliding block 7-4-1 moves towards the direction of the adjusting sleeve 7-4-5, the protruding sections drive the S-shaped stress plate 7-6 to deform, the upper protruding sections are combined with the clamping grooves 7-4-3-1 and fix the position of the transmission plate 7-4-3, and meanwhile, the upper protruding sections press the honeycomb sleeve 7-7, so that the honeycomb sleeve 7-7 deforms and absorbs kinetic energy.

Claims

1. The utility model provides a steel pipe puncher, includes base (1), symmetry and establishes backup pad (2) at base (1) both ends, establish splint (8) on base (1), establish connecting plate (3) between backup pad (2), establish motor (4) on connecting plate (3), with output shaft (5) that motor (4) are connected, establish drill bit (6) on output shaft (5), its characterized in that: further comprising a dynamic balancing device (7) for reducing the wobble of the drill bit (6); the dynamic balance device (7) comprises a cavity (7-1) arranged in the connecting plate (3), a fixed sleeve (7-2) arranged in the cavity (7-1) and sleeved on the output shaft (5), a plurality of sliding chutes (7-3) arranged on the fixed sleeve (7-2), energy absorbing mechanisms (7-4) arranged on the sliding chutes (7-3), bearing sleeves (7-5) fixed at one ends of the energy absorbing mechanisms (7-4) far away from the sliding chutes (7-3), S-shaped stress plates (7-6) used for protecting the energy absorbing mechanisms (7-4), and honeycomb sleeves (7-7) arranged between the S-shaped stress plates (7-6) and the bearing sleeves (7-5), the axial axes of the fixed sleeve (7-2) and the bearing sleeve (7-5) are superposed.

2. The steel pipe punch according to claim 1, characterized in that: the energy absorption mechanism (7-4) comprises a sliding block (7-4-1) connected with the sliding groove (7-3), a ball (7-4-2) arranged at one end of the sliding block (7-4-1) and close to the output shaft (5), a transmission plate (7-4-3) arranged at one end of the sliding block (7-4-1) and far away from the output shaft (5), accommodating cavities (7-4-7) arranged on the honeycomb sleeve (7-7) at intervals, a conversion part (7-4-4) arranged in the accommodating cavities (7-4-7) and connected with the transmission plate (7-4-3), an adjusting sleeve (7-4-5) arranged on the conversion part (7-4-4), and a rigidity adjusting hole (7-4-6) arranged on the adjusting sleeve (7-4-5) ) And the axial axis of the rigidity adjusting hole (7-4-6) passes through the circle center of the cross section of the output shaft (5).

3. The steel pipe punch according to claim 2, characterized in that: the conversion part (7-4-4) comprises a fixed magnet (7-4-4-1) connected with the rigidity adjusting hole (7-4-6) and a moving magnet (7-4-4-2) connected with the transmission plate (7-4-3), and a repulsion channel (7-4-4-3) is formed between the fixed magnet (7-4-4-1) and the moving magnet (7-4-4-2).

4. The steel pipe punch according to claim 3, wherein: the sliding block (7-4-1) comprises a sliding section (7-4-1-1) arranged in the sliding groove (7-3) and protruding sections, wherein the two sides of the protruding sections are fixedly connected with the S-shaped stress plate (7-6) respectively.

5. The steel pipe punch according to claim 3, wherein: the middle part of the transmission plate (7-4-3) is provided with a clamping groove (7-4-3-1) for fixing the transmission plate (7-4-3).

6. The steel pipe punch according to claim 5, wherein: the S-shaped stress plate (7-6) comprises an upper convex section fixedly connected with the honeycomb sleeve (7-7) and a lower concave section attached to the fixed sleeve (7-2), and the deformation direction of the upper convex section penetrates through the middle point of a connecting line of two ends of the clamping groove (7-4-3-1).