CN220698818U - Automatic drilling and tapping machine - Google Patents
Automatic drilling and tapping machine Download PDFInfo
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- CN220698818U CN220698818U CN202322414739.4U CN202322414739U CN220698818U CN 220698818 U CN220698818 U CN 220698818U CN 202322414739 U CN202322414739 U CN 202322414739U CN 220698818 U CN220698818 U CN 220698818U
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- 238000005553 drilling Methods 0.000 title claims abstract description 65
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 238000003754 machining Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The utility model discloses an automatic drilling and tapping machine, which comprises a machine table, a processing platform and a portal frame, wherein the processing platform and the portal frame are arranged on the machine table, two drilling and tapping mechanisms and two tool holders are arranged on the portal frame, the drilling and tapping mechanisms are arranged above the processing platform, an X-axis driving module, a Z-axis driving module and a drilling and tapping module are arranged on the drilling and tapping mechanisms, the drilling and tapping module is provided with a main shaft and a drilling and tapping driving motor for driving the main shaft to rotate, the tool holders comprise tool bit clamping assemblies and telescopic driving units for driving the tool bit clamping assemblies to linearly move relative to the main shaft, the tool bit clamping assemblies comprise clamping seats and a plurality of elastically openable tool holders which are arranged on the clamping seats side by side, the clamping seats are in linear sliding connection with the portal frame, and the tool holders are provided with clamping grooves for clamping the tool bits, and an opening for clamping the tool bits to enter or exit the clamping grooves is formed in one side of the clamping grooves.
Description
Technical Field
The utility model relates to the technical field of drilling and tapping, in particular to an automatic drilling and tapping machine.
Background
The drilling and tapping machine is a mechanical device for machining a hole site on a workpiece in a rotary cutting mode and machining an internal thread on the inner side surface of the hole site, and mainly comprises a frame, a machining platform, a drilling and tapping mechanism and a cutter head, wherein the drilling and tapping mechanism is provided with a main shaft, and the main shaft is provided with a clamping part for clamping a cutter head.
In the traditional drilling and tapping machine, because the cutter head is generally fixedly arranged on one side of a processing platform, when the cutter head is replaced every time, the drilling and tapping mechanism needs to return to the upper part of the cutter head to replace the cutter head, so that the cutter changing mode is inconvenient, the cutter changing speed is low, the processing efficiency is low, and the production cost of enterprises is high.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides an automatic drilling and tapping machine which can adopt a linear telescopic tool magazine, so that a tool changing mode is more convenient, the tool changing speed is high, the processing efficiency is high, and the production cost is reduced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the automatic drilling and tapping machine comprises a machine table, a machining platform and a mounting frame, wherein the machining platform and the mounting frame are arranged on the machine table, at least one drilling and tapping mechanism and at least one tool magazine are arranged on the mounting frame, the drilling and tapping mechanism is arranged above the machining platform, an X-axis driving module, a Z-axis driving module and a drilling and tapping module are arranged on the drilling and tapping mechanism, the drilling and tapping module is provided with a main shaft and a drilling and tapping driving motor for driving the main shaft to rotate, the X-axis driving module can drive the drilling and tapping mechanism to move along the X-axis direction, the Z-axis driving module can drive the drilling and tapping module to move along the Z-axis direction, the tool magazine comprises a tool bit clamping assembly and a telescopic driving unit for driving the tool bit clamping assembly to move linearly relative to the main shaft, the tool bit clamping assembly comprises a clamping seat and a plurality of elastically openable and closable tool holders arranged on the clamping seat side by side, the clamping seat is in linear sliding connection with the mounting frame, and an opening for clamping the tool bit is arranged on one side of the clamping seat facing the main shaft; the tool holder comprises a tool bit clamping assembly and a telescopic driving unit, the tool bit clamping assembly comprises a clamping seat and a plurality of elastically openable tool holders arranged on the clamping seat side by side, the clamping seat is in linear sliding connection with the mounting frame, clamping grooves and openings are formed in the tool holders, when a tool is replaced, the tool bit on the main shaft moves to one side of the tool holder, the opening is aligned to the tool bit on the main shaft, then the telescopic driving unit drives the clamping seat to drive the tool holders to move close to the main shaft in linear motion, the tool bit on the main shaft is clamped into the clamping grooves, the tool bit is dismounted in the upward motion of the main shaft, the tool bit on the main shaft moves to the upper side of other tool holders, the tool bit in other tool holders is clamped in the downward motion of the main shaft, the telescopic driving unit drives the clamping seat to drive the tool holders to move away from the main shaft in linear motion, the tool changing is completed by the main shaft, and the linear telescopic tool holder is adopted, so that the tool changing mode is more convenient, the tool changing speed is high, the machining efficiency is high, and the production cost is reduced.
As a preferred scheme, the cutter holder includes first arm lock, second arm lock and elasticity piece that resets, the one end that first arm lock and second arm lock are close to the holder all rotates with the holder to be connected, the one end that the holder was kept away from to first arm lock is equipped with first arc wall, the one end that the holder was kept away from to second arm lock is equipped with the second arc wall, first arc wall and second arc wall set up relatively and enclose into the draw-in groove, elasticity piece that resets has the trend that makes first arm lock and second arm lock draw close each other all the time, so that the draw-in groove can press from both sides tight tool bit.
As a preferable scheme, the elastic reset piece is a pressure spring, the pressure spring is arranged between the first clamping arm and the second clamping arm, and two ends of the pressure spring are respectively abutted with the first clamping arm and the second clamping arm.
As a preferred scheme, be equipped with the first arc card strip of inwards protrusion in the first arc wall, be equipped with the second arc card strip of inwards protrusion in the second arc wall, first arc card strip and second arc card strip all cooperate with the annular draw-in groove on the tool bit lateral wall, so that the tool bit can the joint in the draw-in groove.
As a preferable scheme, a positioning block extending into the clamping groove is arranged between the first clamping arm and the second clamping arm, the positioning block is connected with the clamping seat, and the positioning block can be inserted into a positioning groove on the outer side wall of the cutter head so as to limit the cutter head to rotate in the clamping groove.
As a preferred scheme, the tool magazine further comprises a sliding assembly, the sliding assembly comprises a connecting seat, a sliding seat and a linear sliding rail, the connecting seat is connected with the sliding seat in a sliding mode through the linear sliding rail, the connecting seat is connected with the mounting frame, the clamping seat is arranged on the sliding seat, and the clamping seat can move along with the sliding seat.
As a preferable mode, the opening is a horn-shaped opening, and the width of the horn-shaped opening gradually increases in a direction away from the clamping groove.
As a preferable scheme, the tool magazine is arranged below the drilling and tapping mechanism.
As a preferable scheme, the mounting frame is a portal frame, the drilling and tapping mechanism and the tool magazine are both mounted on a cross beam of the portal frame, supporting feet on two sides of the portal frame can be slidably arranged on the machine table along the Y-axis direction, and a Y-axis driving module capable of driving the portal frame to move along the Y-axis direction is arranged between the machine table and the supporting feet.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, by arranging the drilling and tapping mechanism and the tool magazine on the mounting frame, the drilling and tapping mechanism consists of an X-axis driving module, a Z-axis driving module and a drilling and tapping module, the tool magazine consists of a tool bit clamping assembly and a telescopic driving unit, the tool bit clamping assembly comprises a clamping seat and a plurality of elastically openable tool holders arranged on the clamping seat side by side, the clamping seat is in linear sliding connection with the mounting frame, the tool holder is provided with a clamping groove and an opening, and when the tool is replaced, the drilling and tapping mechanism moves to one side of the tool magazine, the tool bit on the main shaft is aligned with the opening, then the telescopic driving unit drives the clamping seat to drive the tool holder to move close to the main shaft in a linear manner, the tool bit on the main shaft is clamped into the clamping groove, the main shaft moves upwards to discharge the tool bit, the drilling and tapping mechanism moves to the upper part of other tool holders, the main shaft moves downwards to clamp the tool bit in other tool holders, the telescopic driving unit drives the clamping seat to drive the tool holder to move away from the main shaft in a linear manner, the main shaft finishes tool changing, and the linear telescopic tool magazine is adopted, so that the tool changing mode is more convenient, the tool changing speed is high, the machining efficiency is high, and the production cost is reduced.
For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic diagram of an assembled structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of the assembly of a mounting bracket, a drilling and tapping mechanism and a magazine according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a tool magazine according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a tool bit clamping assembly according to an embodiment of the utility model.
The attached drawings are used for identifying and describing:
10-machine 11-processing platform 12-mounting rack
121-beam 122-supporting leg 13-Y axis driving module
20-drilling and tapping mechanism 21-X-axis driving module 22-Z-axis driving module
23-drilling and tapping module 231-main shaft 232-drilling and tapping driving motor
30-tool magazine 31-tool bit clamping assembly 32-telescopic drive unit
33-slide assembly 331-connecting seat 332-slide
333-linear slide 34-holder 35-tool holder
351-first clip arm 352-second clip arm 353-resilient return member
354-first arcuate slot 355-second arcuate slot 356-first arcuate clip
357-second arc-shaped clamping bar 36-clamping groove 37-opening
38-positioning block 40-tool bit 41-annular clamping groove
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1-4, the utility model discloses an automatic drilling and tapping machine, which comprises a machine table 10, a processing platform 11 and a mounting frame 12, wherein the processing platform 11 and the mounting frame 12 are arranged on the machine table 10, at least one drilling and tapping mechanism 20 and at least one tool magazine 30 are arranged on the mounting frame 12, the number of the drilling and tapping mechanisms 20 and the number of the tool magazine 30 are two, the drilling and tapping mechanism 20 is arranged above the processing platform 11, the tool magazine 30 is arranged below the drilling and tapping mechanism 20, an X-axis driving module 21, a Z-axis driving module 22 and a drilling and tapping module 23 are arranged on the drilling and tapping mechanism 20, the drilling and tapping module 23 is provided with a spindle 231 and a drilling and tapping driving motor 232 for driving the spindle 231 to rotate, the drilling and tapping mechanism 20 can be driven by the X-axis driving module 21 to move along the Z-axis direction, and in particular, the X-axis driving module 21 and the Z-axis driving module 22 are of the existing mature technology, and can also adopt a rack and pinion structure.
The tool magazine 30 comprises a tool bit clamping assembly 31 and a telescopic driving unit 32 for driving the tool bit clamping assembly 31 to linearly move relative to the spindle 231, the tool bit clamping assembly 31 comprises a clamping seat 34 and a plurality of elastically openable and closable tool holders 35 arranged on the clamping seat 34 side by side, the clamping seat 34 is in linear sliding connection with the mounting frame 12, the tool holders 35 are provided with clamping grooves 36 for clamping the tool bit 40, and one side of the clamping grooves 36 facing the spindle 231 is provided with openings 37 for clamping the tool bit 40 into or out of the clamping grooves 36.
The tool holder 35 includes a first clamping arm 351, a second clamping arm 352 and an elastic restoring member 353, wherein one ends of the first clamping arm 351 and the second clamping arm 352, which are close to the clamping seat 34, are rotationally connected with the clamping seat 34, one end of the first clamping arm 351, which is far away from the clamping seat 34, is provided with a first arc-shaped groove 354 penetrating through the upper and lower surfaces of the first clamping arm 351, one end of the second clamping arm 352, which is far away from the clamping seat 34, is provided with a second arc-shaped groove 355 penetrating through the upper and lower surfaces of the second clamping arm 352, the first arc-shaped groove 354 and the second arc-shaped groove 355 are oppositely arranged and enclose the clamping groove 36, and the elastic restoring member 353 has a trend that the first clamping arm 351 and the second clamping arm 352 are always close to each other, so that the clamping groove 36 can clamp the tool bit 40.
The elastic restoring member 353 is a pressure spring, and the pressure spring is disposed between the first clamping arm 351 and the second clamping arm 352, and two ends of the pressure spring respectively abut against the first clamping arm 351 and the second clamping arm 352.
It should be noted that, the elastic restoring member 353 may be two tension springs, and the two tension springs may respectively pull the first clamping arm 351 and the second clamping arm 352 to be always close to each other.
A first arc clamping bar 356 protruding inwards is arranged in the first arc-shaped groove 354, the extending direction of the first arc clamping bar 356 is the same as that of the first arc-shaped groove 354, a second arc clamping bar 357 protruding inwards is arranged in the second arc-shaped groove 355, the extending direction of the second arc clamping bar 357 is the same as that of the second arc-shaped groove 355, and the first arc clamping bar 356 and the second arc clamping bar 357 are matched with the annular clamping groove 41 on the outer side wall of the cutter head 40 so that the cutter head 40 can be clamped in the clamping groove 36; through setting up first arc card strip 356 and second arc card strip 357, when the tool changing, first arc card strip 356 and second arc card strip 357 all cooperate with annular draw-in groove 41 on the tool bit 40 lateral wall, make tool bit 40 card go into smoothly in pressing from both sides groove 36, play direction and location effect, improve tool changing efficiency and stability.
A positioning block 38 extending into the clamping groove 36 is disposed between the first clamping arm 351 and the second clamping arm 352, the positioning block 38 is connected with the clamping seat 34, and the positioning block 38 can be inserted into a positioning groove (not shown) on the outer side wall of the cutter head 40 to limit the rotation of the cutter head 40 in the clamping groove 36.
The tool magazine 30 further comprises a sliding component 33, the sliding component 33 comprises a connecting seat 331, a sliding seat 332 and a linear sliding rail 333, the connecting seat 331 is slidably connected with the sliding seat 332 through the linear sliding rail 333, the connecting seat 331 is fixedly connected with the mounting frame 12, the clamping seat 34 is mounted on the sliding seat 332, the clamping seat 34 can move along with the sliding seat 332, specifically, the extending direction of the linear sliding rail 333 is the same as the Y-axis direction, the telescopic driving unit 32 is mounted on the connecting seat 331, the telescopic driving unit 32 is an air cylinder, and a piston rod of the air cylinder is connected with the sliding seat 332.
The opening 37 is a horn-shaped opening 37, and the width of the horn-shaped opening 37 gradually increases towards the direction away from the clamping groove 36; by providing the horn-shaped opening 37, the cutter head 40 can be smoothly clamped into or withdrawn from the clamping groove 36, and the stability is good.
The mounting frame 12 is a portal frame, the drilling and tapping mechanism 20 and the tool magazine 30 are both installed on a beam 121 of the portal frame, supporting legs 122 on two sides of the portal frame can be slidably arranged on the machine table 10 along the Y-axis direction, a Y-axis driving module 13 capable of driving the portal frame to move along the Y-axis direction is arranged between the machine table 10 and the supporting legs 122, and the Y-axis driving module 13 can adopt a rack and pinion structure or a screw motor structure.
The tool changing process comprises the following steps: in the initial state, the spindle 231 is provided with the tool bit 40, the X-axis driving module 21 drives the drilling and tapping mechanism 20 to approach the tool magazine 30, the Z-axis driving module 22 drives the spindle 231 to move downwards, the tool bit 40 on the spindle 231 moves downwards and is right opposite to the opening 37 of the empty tool holder 35, the telescopic driving unit 32 drives the sliding seat 332 to move along the Y-axis direction and approach the spindle 231, the tool bit 40 pushes the first clamping arm 351 and the second clamping arm 352 to move away from each other against the elastic force of the elastic reset piece 353, the tool bit 40 is clamped in the clamping groove 36 from the opening 37, the first arc clamping strip 356 and the second arc clamping strip 357 are clamped in the annular clamping groove 41 on the tool bit 40, the positioning block 38 is clamped in the clamping groove on the tool bit 40, the spindle 231 loosens the tool bit 40 and moves upwards, and the detached tool bit 40 is clamped on the tool holder 35; the spindle 231 moves to the upper side of the other tool holders 35 under the cooperation of the X-axis driving module 21 and the Z-axis driving module 22, the spindle 231 moves downwards to clamp the tool heads 40 on the other tool holders 35, the telescopic driving unit 32 drives the sliding seat 332 to move backwards, the sliding seat 332 drives the clamping seat 34 and the tool holders 35 to move backwards synchronously, the tool heads 40 are clamped by the spindle 231 to be separated from the tool holders 35, and the spindle 231 completes tool changing actions.
In summary, according to the present utility model, the drilling and tapping mechanism 20 and the tool magazine 30 are both disposed on the mounting frame 12, the drilling and tapping mechanism 20 is composed of the X-axis driving module 21, the Z-axis driving module 22 and the drilling and tapping module 23, the tool magazine 30 is composed of the tool bit clamping assembly 31 and the telescopic driving unit 32, the tool bit clamping assembly 31 includes the clamping seat 34 and the plurality of elastically openable and closable tool holders 35 disposed on the clamping seat 34 side by side, the clamping seat 34 is slidably connected with the mounting frame 12 in a straight line, the tool holders 35 are provided with the clamping grooves 36 and the openings 37, during tool changing, the drilling and tapping mechanism 20 moves to one side of the tool magazine 30, so that the tool bit 40 on the spindle 231 is aligned with the openings 37, then the telescopic driving unit 32 drives the clamping seat 34 to drive the tool holders 35 to move linearly close to the spindle 231, so that the tool bit 40 on the spindle 231 is clamped in the clamping grooves 36, the spindle 231 moves upwards, the drilling and tapping mechanism 20 moves above the other tool holders 35, the spindle 231 moves downwards to clamp the tool bit 40 in the other tool holders 35, and the telescopic driving unit 32 drives the clamping seat 34 to drive the tool holders 35 to move away from the spindle 231, thereby completing the tool changing in a straight line, and the tool changing 30, thereby reducing the production cost.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present utility model are still within the scope of the present utility model.
Claims (9)
1. The utility model provides an automatic tooth machine is attacked in drilling, includes the board to and locate processing platform and the mounting bracket on the board, be equipped with at least one on the mounting bracket and bore and attack mechanism and at least one tool magazine, it locates processing platform's top to bore and attack the mechanism, it is equipped with X axle drive module, Z axle drive module and bore and attack the module to bore to attack the mechanism, it is equipped with main shaft and drive main shaft pivoted and bores and attack driving motor to bore the module, X axle drive module can drive and bore and attack the mechanism and follow X axle direction motion, Z axle drive module can drive and bore and attack the module and follow Z axle direction motion, its characterized in that:
the tool magazine comprises a tool bit clamping assembly and a telescopic driving unit for driving the tool bit clamping assembly to linearly move relative to the main shaft, the tool bit clamping assembly comprises a clamping seat and a plurality of elastically openable tool holders arranged on the clamping seat side by side, the clamping seat is in linear sliding connection with the mounting frame, a clamping groove for clamping the tool bit is formed in the tool holder, and an opening for clamping the tool bit or withdrawing from the clamping groove is formed in one side of the clamping groove facing the main shaft.
2. The automatic drilling tapping machine according to claim 1, wherein the tool holder comprises a first clamping arm, a second clamping arm and an elastic reset piece, wherein one ends of the first clamping arm and the second clamping arm, which are close to the clamping seat, are rotationally connected with the clamping seat, one ends of the first clamping arm, which are far away from the clamping seat, are provided with a first arc-shaped groove, one ends of the second clamping arm, which are far away from the clamping seat, are provided with a second arc-shaped groove, the first arc-shaped groove and the second arc-shaped groove are oppositely arranged and enclose the clamping groove, and the elastic reset piece has a trend that the first clamping arm and the second clamping arm are always close to each other, so that the clamping groove can clamp the tool bit.
3. The automatic drilling tapping machine of claim 2, wherein the elastic return member is a pressure spring, the pressure spring is disposed between the first clamping arm and the second clamping arm, and two ends of the pressure spring are respectively abutted with the first clamping arm and the second clamping arm.
4. The automatic drilling and tapping machine according to claim 2, wherein a first arc-shaped clamping strip protruding inwards is arranged in the first arc-shaped groove, a second arc-shaped clamping strip protruding inwards is arranged in the second arc-shaped groove, and the first arc-shaped clamping strip and the second arc-shaped clamping strip are matched with an annular clamping groove on the outer side wall of the tool bit so that the tool bit can be clamped in the clamping groove.
5. The automatic drilling tapping machine according to claim 2, wherein a positioning block extending into the clamping groove is arranged between the first clamping arm and the second clamping arm, the positioning block is connected with the clamping seat, and the positioning block can be inserted into a positioning groove on the outer side wall of the tool bit so as to limit the tool bit to rotate in the clamping groove.
6. The automatic drilling and tapping machine according to claim 1, wherein the tool magazine further comprises a sliding assembly, the sliding assembly comprises a connecting seat, a sliding seat and a linear sliding rail, the connecting seat and the sliding seat are connected in a sliding mode through the linear sliding rail, the connecting seat is connected with the mounting frame, the clamping seat is mounted on the sliding seat, and the clamping seat can move along with the sliding seat.
7. The automatic drilling tapping machine of claim 1, wherein the opening is a trumpet-shaped opening that gradually increases in width in a direction away from the clamping groove.
8. The automatic drilling and tapping machine of claim 1, wherein the magazine is disposed below the drilling and tapping mechanism.
9. The automatic drilling and tapping machine according to any one of claims 1-8, wherein the mounting frame is a gantry, the drilling and tapping mechanism and the tool magazine are both mounted on a beam of the gantry, supporting legs on two sides of the gantry can be slidably arranged on a machine table along the Y-axis direction, and a Y-axis driving module capable of driving the gantry to move along the Y-axis direction is arranged between the machine table and the supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414739.4U CN220698818U (en) | 2023-09-05 | 2023-09-05 | Automatic drilling and tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414739.4U CN220698818U (en) | 2023-09-05 | 2023-09-05 | Automatic drilling and tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220698818U true CN220698818U (en) | 2024-04-02 |
Family
ID=90446437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322414739.4U Active CN220698818U (en) | 2023-09-05 | 2023-09-05 | Automatic drilling and tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220698818U (en) |
-
2023
- 2023-09-05 CN CN202322414739.4U patent/CN220698818U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 523000 No. 8 ChuangSheng Road, Shangsha community, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Duomi (Guangdong) Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 523000 No. 8 ChuangSheng Road, Shangsha community, Chang'an Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN DM MACHINERY CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |