CN110653662A

CN110653662A - Device for drilling and tapping machined end cover

Info

Publication number: CN110653662A
Application number: CN201810700725.XA
Authority: CN
Inventors: 胡晓桦; 于志国; 王佳伟
Original assignee: Shanghai Guo Shang Electromechanical Technology Co Ltd
Current assignee: Shanghai Guo Shang Electromechanical Technology Co Ltd
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2020-01-07

Abstract

The invention relates to a device for drilling and tapping a machined end cover, which comprises a bottom plate, a positioning mechanism and a limiting mechanism, wherein the positioning mechanism is arranged on the bottom plate, the limiting mechanism is matched with the positioning mechanism, the positioning mechanism comprises positioning mechanisms in the X-axis direction, the Y-axis direction and the Z-axis direction, and the limiting mechanism comprises limiting mechanisms in the X-axis direction, the Y-axis direction and the Z-axis direction. Compared with the prior art, the drilling and tapping positioning device has the advantages of more accurate drilling and tapping positioning, higher stability of the tool, stable drilling and tapping size, convenience in placing workpieces, high production efficiency and the like.

Description

Device for drilling and tapping machined end cover

Technical Field

The invention relates to a processing device, in particular to a device for processing end cover drilling and tapping.

Background

According to the technical analysis, the utilization rate of the numerical control machine tool is improved?, the use of the clamp is greatly related, according to incomplete statistics, the unreasonable proportion of the clamp selected by the numerical control machine tools of domestic enterprises reaches more than 50%, and in the end of 2014, the Chinese numerical control machine tools have nearly one million, namely more than 50 million numerical control machine tools have 'labor saving' phenomenon due to unreasonable selection or improper application of the clamp, and from another point of view, the selection and application of the clamp of the numerical control machine tool can be made, because considerable potential economic benefits are contained.

The traditional machining method of drilling and tapping is used all the time before, the time of manual clamping is wasted, a machining center is not completely finished, and the condition that a screw tap is broken can occur on a tapping machine. Chinese patent CN206662711U discloses a machine tool for processing end caps of motors, which comprises an end cap blank stacking device for stacking blank workpieces; the first clamping device is used for clamping a workpiece on the end cover blank stacking device; the end cover rough machining device is used for roughly machining a workpiece clamped on the first clamping device; the second clamping device is used for butting with the first clamping device and exchanging workpieces; the end cover finish machining device is used for finish machining of the workpiece clamped on the second clamping device; the third clamping device is used for carrying out workpiece exchange by butting with the second clamping device; the drilling device is used for drilling the workpiece clamped on the third clamping device; the tapping device is used for tapping the workpieces clamped on the third clamping device, and the end cover finished product stacking device is used for stacking the finished workpieces, but the processing machine tool is relatively complex in structure, and the technical problems are not well solved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a device for drilling and tapping an end cover.

The purpose of the invention can be realized by the following technical scheme:

a device for drilling and tapping an end cover comprises a bottom plate, a positioning mechanism arranged on the bottom plate and a limiting mechanism matched with the positioning mechanism,

the positioning mechanism comprises positioning mechanisms in the directions of an X axis, a Y axis and a Z axis,

the limiting mechanism comprises limiting mechanisms in the directions of an X axis, a Y axis and a Z axis.

The positioning mechanisms in the X-axis direction, the Y-axis direction and the Z-axis direction comprise circular ring grooves formed in the bottom plate and positioning columns installed on the bottom plate, the outer circle of the end cover to be machined is placed in the circular ring grooves to be positioned, and the positions of the positioning columns are matched with the center holes of the end cover.

The limiting mechanisms used in the X-axis direction and the Y-axis direction are spring locking mechanisms arranged on the bottom plate.

The spring locking mechanism comprises a spring seat, a handle, a connecting rod, a V-shaped block and a spring, wherein the spring is sleeved into the connecting rod, the round shaft end of the connecting rod is inserted into a seat hole of the spring seat, the groove of the V-shaped block is in nested fit with the square head end of the connecting rod, and the handle is screwed on the connecting rod.

The end cover is put in by pulling the handle, and the V-shaped block connected with the connecting rod is driven by the spring to tightly press the end cover after being loosened.

The limiting mechanism used in the Z-axis direction comprises a U-shaped gasket and a fastening bolt, the U-shaped gasket is screwed into a nut hole in the positioning column through the fastening bolt, and the end cover is pressed downwards.

The diameter of the fastening bolt head is smaller than the center hole of the end cover, and the end cover can be directly taken out upwards after the U-shaped gasket is pulled out.

The bottom plate is equipped with the through-hole that is used for the drilling tapping, after the clamping end cover of location, utilizes the rotatory frock of four-axis 180, and the drill tap passes through-hole drilling tapping.

The two sides of the bottom plate are connected with connecting discs for connecting a four-axis machining center, and a plurality of groups of positioning mechanisms and limiting mechanisms can be arranged on the bottom plate in parallel, so that a plurality of end covers can be machined simultaneously.

Compared with the prior art, the invention has the following advantages:

1. the drilling and tapping machine has the advantages of high efficiency, low cost, no need of repeated clamping, convenience and efficiency, and capability of completing the drilling and tapping process at one time only by changing a tool. And positioning the drilling holes by using a numerical control program, and then replacing the cutter for tapping.

2. Compared with the prior transmission processing method of drilling and tapping, the improved transmission processing method has the advantages that the stability is good, the processing precision is high, the problem of screw tap fracture caused by manual operation is solved after improvement, the drilling processing size stability is good, the tapping is smooth, and the accumulated deviation is reduced.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a partial structural schematic view of the spring locking mechanism.

In the figure, 1-connecting disc, 2-bottom plate, 3-fastening bolt, 4-U-shaped gasket, 5-V-shaped block, 6-cover plate, 7-handle, 8-end cover, 9-connecting rod, 10-spring, 11-positioning column and 12-spring seat.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

Examples

The structure of the device for processing end cover drilling and tapping is shown in figures 1-3, and the device comprises a base plate 2, a positioning mechanism arranged on the base plate and used in the X-axis direction, the Y-axis direction and the Z-axis direction, and a limiting mechanism used in the X-axis direction, the Y-axis direction and the Z-axis direction and matched with the positioning mechanism.

The positioning mechanism in the X-axis direction, the Y-axis direction and the Z-axis direction comprises an annular groove formed in a bottom plate, and a positioning column 11 installed on the bottom plate, wherein the outer circle of the end cover 8 to be processed is placed in the annular groove to be positioned, and the position of the positioning column 11 is matched with the center hole of the end cover to position the end cover 8.

The limiting mechanism used in the X-axis and Y-axis directions is a spring locking mechanism arranged on a bottom plate and mainly comprises a spring seat 12, a handle 7, a connecting rod 9, a V-shaped block 5 and a spring 10, the structure of the limiting mechanism is shown in figure 4, the V-shaped block 5 abuts against one side of an end cover 8, the connecting rod 9 is connected to the rear end of the V-shaped block 5, the spring 10 is firstly sleeved on the connecting rod 9, then the round shaft end of the connecting rod 9 is inserted into a seat hole of the spring seat 12, a groove of the V-shaped block 5 is in nested fit with the square head end of the connecting rod, the handle 7 is screwed on the connecting rod, and a cover plate 6 is further arranged on the upper. When the end cover is used, the end cover 8 is placed in by pulling the handle 7, after the end cover is loosened, the spring 10 is used for driving the V-shaped block 5 connected with the connecting rod 9 to press one of four corners of the end cover 8, and therefore the rotation of the end cover 8 is limited.

The limiting mechanism used in the Z-axis direction comprises a U-shaped gasket 4 and a fastening bolt 3, wherein the U-shaped gasket 4 is screwed into a nut hole in the positioning column 11 through the fastening bolt 3, and presses the end cover 8 downwards to limit the Z-axis movement of the end cover. The diameter of the fastening bolt 3 is smaller than the center hole of the end cover 8, and after the U-shaped gasket 4 is pulled out, the end cover 8 can be directly taken out upwards without screwing out the fastening bolt 3.

Be equipped with the through-hole that is used for the drilling tapping at bottom plate 2, after the tight end cover 8 of location clamp, utilize the rotatory frock of four-axis 180, the drilling tap is through-hole drilling tapping.

Be connected with connection pad 1 in the both sides of bottom plate 2 for connect four-axis machining center, but parallel arrangement multiunit positioning mechanism and stop gear on bottom plate 2, thereby can process simultaneously a plurality ofly, be provided with two sets ofly in this embodiment, can process two end covers simultaneously.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims

1. A device for drilling and tapping an end cover is characterized by comprising a bottom plate, a positioning mechanism arranged on the bottom plate and a limiting mechanism matched with the positioning mechanism,

2. The device for drilling and tapping the end cover according to claim 1, wherein the positioning mechanism in the directions of the X axis, the Y axis and the Z axis comprises an annular groove formed in the bottom plate and a positioning column installed on the bottom plate, the outer circle of the end cover to be machined is placed in the annular groove to be positioned, and the position of the positioning column is matched with the center hole of the end cover.

3. The apparatus of claim 1, wherein the limiting mechanism for the X-axis and Y-axis directions is a spring locking mechanism disposed on the base plate.

4. The apparatus according to claim 3, wherein the spring locking mechanism comprises a spring seat, a handle, a connecting rod, a V-shaped block and a spring, the spring is sleeved into the connecting rod, the round shaft end of the connecting rod is inserted into the seat hole of the spring seat, the groove of the V-shaped block is nested and matched with the square head end of the connecting rod, and the handle is screwed on the connecting rod.

5. The apparatus of claim 4, wherein the end cap is placed in the hole-drilling and tapping device by pulling the handle, and the end cap is pressed by the V-shaped block connected with the spring-driven connecting rod after being released.

6. The apparatus of claim 1, wherein the limiting mechanism for the Z-axis direction comprises a U-shaped gasket and a fastening bolt, the U-shaped gasket is screwed into a nut hole in the positioning column through the fastening bolt, and the end cover is pressed downwards.

7. The end cap drilling and tapping device according to claim 6, wherein the diameter of the fastening bolt head is smaller than the central hole of the end cap, and the end cap can be directly taken out upwards after the U-shaped gasket is extracted.

8. The end cap processing driller tapping device according to claim 1, wherein the bottom plate is provided with through holes for drilling and tapping, after the end cap is positioned and clamped, the four-axis rotating tool is used for 180 degrees, and the drill tap drills and taps through the through holes.

9. The end cap driller tapping device of claim 1, wherein connecting discs are connected to both sides of the bottom plate for connecting a four-axis machining center.

10. The apparatus of claim 1, wherein the base plate has a plurality of sets of positioning and limiting mechanisms disposed thereon in parallel.