CN114226782A

CN114226782A - Drilling machine tool

Info

Publication number: CN114226782A
Application number: CN202210103953.5A
Authority: CN
Inventors: 程洁; 储善谦; 冯文华; 王杰; 王伟超; 王岳明
Original assignee: Ningbo Kaibo Nc Machinery Co ltd
Current assignee: Ningbo Kaibo Nc Machinery Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-03-25

Abstract

The invention discloses a drilling machine tool, which comprises a drilling device, wherein a guiding and positioning device is arranged on one side of the drilling device, the guiding and positioning device comprises a positioning part, an installation seat, a connecting rod, a sleeve, a driving mechanism, a first shifting mechanism, a second shifting mechanism and a guide part, one or more guide grooves for guiding the connecting rod to move up and down are arranged on the connecting rod, a convex end is radially arranged on the sleeve and is positioned in the corresponding guide groove, the moving end of the second shifting mechanism is connected with the guide part to drive the end part of the guide part to enter or be separated from the corresponding guide groove, the drilling machine tool is improved on the basis of the original drilling machine tool, the second shifting mechanism and the guide part are added, and the guide groove is formed in the connecting rod (corresponding to an extension rod in the patent) to be matched with the guide part to improve the moving precision of the connecting rod, so that better guiding and positioning functions are realized, and the drilling precision is favorably improved.

Description

Drilling machine tool

Technical Field

The invention relates to the technical field of drilling devices, in particular to a drilling machine tool.

Background

The numerical control machine tool is widely applied to the fields of die machining and the like, such as drilling, the machining precision of drilling is high, the structure of a vertical deep hole drilling machine tool is improved in a targeted manner, as described in application publication No. CN112873403A, a guide positioning sleeve device is additionally arranged on one side of a drill bit device, a lifting mechanism moves an extension rod to synchronously move the guide positioning sleeve, a driving motor and the like drive the extension rod to rotate to enable the end part of the guide sleeve to be positioned below a drill bit according to requirements, a workpiece is fixed in advance, the drill bit penetrates through a hole of the guide sleeve to drill, but the defect that the precision is poor due to the movement of the extension rod is found in the process of using the numerical control machine tool, and the improvement is needed.

Disclosure of Invention

In order to solve at least one technical defect, the invention provides the following technical scheme:

the application document discloses a drilling machine tool, which comprises a drilling device, wherein one side of the drilling device is provided with a guiding and positioning device, the guiding and positioning device comprises a positioning piece, a mounting seat, a connecting rod, a sleeve, a driving mechanism and a first shifting mechanism, the mounting seat is provided with the sleeve and the driving mechanism, the driving mechanism drives the sleeve to be in rotating fit with the mounting seat, the connecting rod penetrates through the sleeve and is provided with the positioning piece, the connecting rod is in rotating connection with a moving end of the first shifting mechanism to drive the connecting rod to synchronously drive the positioning piece to move up and down relative to the drilling device, the guide positioning device further comprises a second shifting mechanism and a guide piece, one or more guide grooves for guiding the connecting rod in a vertically moving mode are formed in the connecting rod, a convex end is radially arranged on the sleeve and located in the corresponding guide groove, and the moving end of the second shifting mechanism is connected with the guide piece to drive the end portion of the guide piece to enter or separate from the corresponding guide groove.

This department improves on the basis of former drilling lathe, increases displacement mechanism two and guide to open the guide way on the connecting rod (correspond with extension rod in the above-mentioned patent) and cooperate with the guide so as to improve the removal precision of connecting rod, and then play better direction, positioning action, help improving the precision of drilling.

The first and second displacement mechanisms may be common cylinder or hydraulic cylinder type telescopic mechanisms, lead screw and nut type mechanisms, gear and rack mechanisms, and the like, and preferably are cylinder or hydraulic cylinder type telescopic mechanisms.

The moving direction of the moving end of the first shifting mechanism can be directly the same as the moving direction of the guide piece so as to directly drive shifting, and of course, the moving direction of the first shifting mechanism can also be different from the moving direction of the guide piece, and the following steps are carried out:

the first connecting rod is fixed with the moving end of the second shifting mechanism, the second connecting rod is hinged to the first connecting rod in the radial direction, the other end, opposite to the hinged position of the first connecting rod, of the second connecting rod is hinged to the end of the guide piece, a guide hole for the guide piece to penetrate through is formed in the mounting seat, and the first shifting mechanism drives the guide piece to enter or separate from the corresponding guide groove in the connecting rod through the guide hole under the transmission of the first connecting rod and the second connecting rod which are hinged. Under the transmission effect of two articulated connecting rods, under the direction of guiding hole on the mount pad, a shifting mechanism orders about the guide part and gets into the guide way in, reciprocates of connecting rod and carries out accurate direction, and this structure helps reducing drilling equipment's horizontal size.

Furthermore, the moving directions of the moving ends of the second shifting mechanism and the first shifting mechanism are parallel, and the guide pieces are arranged in the radial direction of the connecting rod, so that the reasonable layout is realized.

Furthermore, a first fixing seat and a second fixing seat are arranged on the mounting seat, a first shifting mechanism is arranged on the first fixing seat, a second shifting mechanism is arranged on the second fixing seat, and the first shifting mechanism and the second shifting mechanism are additionally arranged in a butt joint mode.

Furthermore, the mounting seat is fixed with a connecting seat in the drilling device, and the drilling device is reasonable in layout, accurate in guiding and positioning.

Furthermore, the positioning piece is provided with a hole for a drill bit in the drilling device to pass through, and the drill bit passes through the hole, so that the drilling accuracy is improved.

Furthermore, the head end of the positioning piece is fixed with the tail end of the connecting rod, the tail end of the positioning piece extends downwards in an inclined mode, and a hole for the drill bit to penetrate through is formed in the tail end of the positioning piece, so that positioning and guiding are facilitated.

Further, the radial direction of the head end of the connecting rod sets up connecting rod three, and the one end of connecting rod three rotates with the head end of connecting rod to be connected and the other end of connecting rod three with the moving end of shifting mechanism one is fixed to connecting rod three butt joint connecting rod simplifies the structure, makes things convenient for actuating mechanism to order about the position that the connecting rod rotated the adjustment setting element.

Further, set up the hole on the mount pad and pass and set up the recess on the pore wall in order to supply the connecting rod, set up annular sleeve in the recess, actuating mechanism is revolving cylinder or driving motor, and actuating mechanism's output orders about the sleeve through gear engagement transmission or belt drive's mode and rotates, and the sleeve is built-in to be spacing with the axial in the recess, and the sleeve stretches into the guide way of connecting rod with radial protruding end and rotates with synchronous drive it, drives through transmission modes such as gear engagement or belt and is common structure.

Furthermore, the protruding end of the sleeve and the end of the guide piece are positioned in the same guide groove, so that the structure is simplified.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the guide mechanism for the connecting rod is added on the guide positioning device to improve the displacement accuracy of the positioning piece, so that the drilling precision is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present drilling machine in embodiment 1;

FIG. 2 is a schematic view of a guide positioning device mounting structure;

FIG. 3 is a schematic view of the construction of the hinge link and guide;

FIG. 4 is a schematic view of the connection of the drive mechanism to the sleeve;

FIG. 5 is a schematic view of the sleeve structure;

wherein the reference numerals are:

4. a connecting seat; 6. a guiding and positioning device; 61. a positioning member; 62. a connecting rod; 63. a mounting seat; 64. a drive mechanism; 65. a second shifting mechanism; 66. a second fixed seat; 67. a guide block; 68. a first connecting rod; 69. a second connecting rod; 70. a guide member; 71. a first shifting mechanism; 72. a third connecting rod; 73. a guide groove; 74. a belt; 75. a sleeve; 76. a groove; 77. a convex end; 78. an end cap; 79. and a first fixed seat.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

Example 1

As shown in fig. 1 and 2, the drilling machine is improved from a device disclosed in application publication No. CN112873403A, and a guide positioning device 6 is mounted on one side of the drilling device in the drilling machine. The guiding and positioning device comprises a positioning piece 61, a mounting seat 63, a connecting rod 62, a sleeve 75, a driving mechanism 64 and a first shifting mechanism 71, wherein the mounting seat 63 is connected with a connecting seat 4 for supporting a drilling driving mechanism and a drill bit in the drilling device through screws and the like.

As shown in fig. 1, 2, 4, and 5, the mounting base 63 is vertically perforated, an end cap 78 is fixed at the orifice, an annular sleeve 75 is placed in a groove 76 formed between the end cap and the wall of the orifice, the cylindrical connecting rod 62 is sequentially perforated from the center of the end cap 78, a hole formed in the mounting base 63 passes through the cylindrical connecting rod 62, and a positioning member 61 is fixed at the tail end of the cylindrical connecting rod, the inner wall of the sleeve 75 radially protrudes to form a protruding end 77, a guide groove 73 is axially formed in the wall of the corresponding connecting rod 62, the protruding end is located in the guide groove 73, a driving mechanism 64 is mounted on the mounting base 63 corresponding to the front surface of the sleeve 75, a driving motor is selected, a belt wheel is mounted on the output shaft of the driving motor, a belt 74 is sleeved on the belt wheel and the sleeve 75, the sleeve is driven to rotate in a belt transmission manner and synchronously drives the connecting rod 62 to rotate, and the positioning member 61 rotates to adjust the position. Position installation fixing base 79 at the back of mount pad 63, if above, fixing base one is constituteed to two lower diaphragms, fixing base one is gone up installation shift mechanism 71, choose for use the cylinder, connecting rod three 72 is radially installed to the flexible end of cylinder, the tip trompil of connecting rod three 72 is passed and fixed end cap or nut formation normal running fit in order to supply the connecting rod top, under this structure, can actuating mechanism rotate the angle of connecting rod with this adjustment setting element, as in this embodiment, the head end of setting element 61 is fixed with the tail end of connecting rod 62, the tail end slope downwardly extending of setting element 61 and tail end trompil are passed in order to supply the drill bit, play the effect of direction, later the upper and lower position of accessible shift mechanism adjustment connecting rod, the upper and lower height of synchronous adjustment setting element, if butt work piece is in order to fix in advance.

In this embodiment, a second shifting mechanism 65 and a guide member are added, as shown in fig. 1, 2 and 3, a second fixed seat 66 is installed at the right side of the installation seat 63, the second shifting mechanism 65 is installed on the second fixed seat 66, an air cylinder is selected, the first shifting mechanism 71 and the second shifting mechanism 65 are vertically telescopic in the telescopic directions, the telescopic end of the second shifting mechanism penetrates through the second fixed seat 66 and is fixed with a first connecting rod 68 below, the first connecting rod 68 vertically extends and is parallel to the connecting rod, and a second connecting rod 69 is hinged in the radial direction of the first connecting rod 68, for example, the second connecting rod extends into a hole formed by the first connecting rod and penetrates through a pin shaft to form a pivotal connection, and the other end of the second connecting rod 69 is hinged to the end of the columnar guide member 70 and is also in the pivotal connection. The horizontal guide hole that opens on mount pad 63 communicates with the hole that the connecting rod was located, and the tip of guide 70 stretches into in this guide hole, and the removal end of displacement mechanism two moves, under the transmission of articulated two connecting rods, and the guide effect of cooperation mount pad guide hole, the guide tip gets into or breaks away from the guide way 73 that the sleeve bulge end was located, and in this embodiment, the bulge end 77 of sleeve 75 shares the guide way with the guide, and the bulge end 77 is located directly over the guide.

When the shifting mechanism I is required to move the connecting rod during use, the shifting mechanism II is started in advance, the end part of the guide piece enters the guide groove to guide the up-and-down movement of the connecting rod, and when the driving mechanism rotates the connecting rod, the guide piece exits from the guide groove.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A drilling machine tool comprises a drilling device, wherein a guiding and positioning device is arranged on one side of the drilling device and comprises a positioning part, a mounting seat, a connecting rod, a sleeve, a driving mechanism and a first shifting mechanism, the sleeve and the driving mechanism are arranged on the mounting seat and drive the sleeve to be in rotating fit with the mounting seat, the connecting rod penetrates through the sleeve and is provided with the positioning part, the connecting rod is rotatably connected with a moving end of the first shifting mechanism to drive the connecting rod to synchronously drive the positioning part to move up and down relative to the drilling device, the guide positioning device is characterized by further comprising a second shifting mechanism and a guide piece, wherein one or more guide grooves for guiding the connecting rod in a vertical moving mode are formed in the connecting rod, a convex end is radially arranged on the sleeve and located in the corresponding guide groove, and the moving end of the second shifting mechanism is connected with the guide piece to drive the end portion of the guide piece to enter or separate from the corresponding guide groove.

2. Drilling machine tool according to claim 1, characterized in that: the first connecting rod is fixed with the moving end of the second shifting mechanism, the second connecting rod is hinged to the first connecting rod in the radial direction, the other end, opposite to the hinged position of the first connecting rod, of the second connecting rod is hinged to the end of the guide piece, a guide hole for the guide piece to penetrate through is formed in the mounting seat, and the first shifting mechanism drives the guide piece to enter or separate from the corresponding guide groove in the connecting rod through the guide hole under the transmission of the first connecting rod and the second connecting rod.

3. Drilling machine tool according to claim 2, characterized in that: the moving directions of the moving ends of the second shifting mechanism and the first shifting mechanism are parallel, and a guide piece is arranged in the radial direction of the connecting rod.

4. Drilling machine tool according to claim 1, characterized in that: the mounting seat is provided with a first fixing seat and a second fixing seat, the first fixing seat is provided with a first shifting mechanism, and the second fixing seat is provided with a second shifting mechanism.

5. Drilling machine tool according to claim 4, characterized in that: the mounting seat is fixed with a connecting seat in the drilling device.

6. Drilling machine tool according to claim 1, characterized in that: the positioning piece is provided with a hole for a drill bit in the drilling device to pass through, the head end of the positioning piece is fixed with the tail end of the connecting rod, the tail end of the positioning piece extends downwards in an inclined mode, and the tail end of the positioning piece is provided with a hole for the drill bit to pass through.

7. Drilling machine tool according to claim 1, characterized in that: the first shifting mechanism and the second shifting mechanism are air cylinder or hydraulic cylinder type telescopic mechanisms.

8. Drilling machine tool according to claim 1, characterized in that: and a third connecting rod is arranged in the radial direction of the head end of the connecting rod, one end of the third connecting rod is rotatably connected with the head end of the connecting rod, and the other end of the third connecting rod is fixed with the moving end of the first shifting mechanism.

9. Drilling machine tool according to claim 1, characterized in that: the mounting seat is provided with a hole for the connecting rod to pass through, a groove is formed in the hole wall, an annular sleeve is arranged in the groove, the driving mechanism is a rotary cylinder or a driving motor, and the output end of the driving mechanism drives the sleeve to rotate in a gear meshing transmission or belt transmission mode.

10. Drilling machine tool according to claim 1, characterized in that: the convex end of the sleeve and the end part of the guide piece are positioned in the same guide groove.