CN111230230A - Tapping device suitable for notch hole and working method thereof - Google Patents
Tapping device suitable for notch hole and working method thereof Download PDFInfo
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- CN111230230A CN111230230A CN202010220674.8A CN202010220674A CN111230230A CN 111230230 A CN111230230 A CN 111230230A CN 202010220674 A CN202010220674 A CN 202010220674A CN 111230230 A CN111230230 A CN 111230230A
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- supporting plate
- notch
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007306 turnover Effects 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/20—Machines with a plurality of working spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/48—Equipment or accessories specially designed for machines or devices for thread cutting for guiding the threading tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Automatic Control Of Machine Tools (AREA)
Abstract
The invention discloses a tapping device suitable for a notch hole and a working method thereof, wherein the tapping device comprises: the tap with the holes is arranged on a chuck, the chuck is connected with a rotating shaft, and the rotating shaft is connected into a multi-shaft box and driven by a main shaft to synchronously rotate and turn over; the positioning rod is arranged on the supporting plate, a pin is arranged at the top of the supporting plate, and the pin is matched with the sleeving hole of the screw tap with the hole; the bottom plate is arranged on the workbench, is positioned below the supporting plate and keeps a distance with the supporting plate; spring sleeves are arranged at four corners of the bottom plate, and the supporting plate can be close to the bottom plate during tapping and returns to the initial position through a return spring after tapping is finished; and the guide rod is arranged on the bottom plate, positions and lifts the notch orifice plate, so that the notch orifice plate is suspended when the supporting plate descends, and guides the movement of the supporting plate. The invention can realize bidirectional positioning and self-centering tapping in the tapping process of the screw tap, is suitable for processing the bottom hole with the notch, and has high processing precision and wide applicability.
Description
Technical Field
The invention belongs to the field of tension plate processing, and particularly relates to a tapping device suitable for a notch hole and a working method of the tapping device.
Background
This company is in production stretch-draw board in-process, carries out the punching press to counter bore, through-hole, bar groove earlier, when carrying out the tapping to the through-hole again, because bar groove makes the through-hole have the breach, the screw tap takes place to deflect easily, and rotatory in-process atress is uneven, and the skew takes place for the position, and the screw thread quality of processing is relatively poor, or the screw tap rupture. The existing tapping device has the condition that holes with notches are machined, has no particularly good solution, and only can continuously replace screw taps.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that when a hole with a notch is machined by using the conventional tapping device, a screw tap is stressed unevenly and is easy to shake, so that the machined thread is not neat, the screw tap is easy to break, and the working progress is influenced.
The invention adopts the following technical scheme: tapping apparatus adapted for use in a breach hole, comprising:
the perforated screw taps are multiple and have the same number as the notch holes of the notch hole plate, the head parts of the perforated screw taps are provided with sleeve holes, the perforated screw taps are arranged on a chuck, the chuck is connected with a rotating shaft, the rotating shaft is connected into a multi-shaft box and driven by a main shaft to synchronously rotate and turn over, the multi-shaft box and the main shaft can be driven by a motor to vertically lift,
a support plate, a positioning rod is arranged on the support plate, a pin is arranged at the top of the support plate and is matched with a sleeve hole of a tap with a hole, a notch orifice plate is arranged on the support plate, a through hole of the notch orifice plate is matched with the positioning rod,
the bottom plate is arranged on the workbench, is positioned below the supporting plate and keeps a distance with the supporting plate; the four corners of the bottom plate are provided with spring sleeves, connecting rods are arranged in the spring sleeves, the connecting rods penetrate through the bottom plate, are sleeved with return springs and then penetrate through the supporting plate, and are locked by nuts, the supporting plate can be close to the bottom plate during tapping and returns to the initial position through the return springs after tapping is finished,
the guide rod, the guide rod is installed on the bottom plate, has more than 4, and the guide rod passes the layer board, and the head is little slightly, and the strip groove of embedding breach orifice plate dodges and opens foraminiferous screw tap, fixes a position and lifts the breach orifice plate, makes the breach orifice plate unsettled when the layer board descends to the motion to the layer board is led.
Further, still include the pivot anchor clamps, the pivot quantity in the multi-spindle box exceeds foraminiferous screw tap quantity, and the hole number of breach orifice plate changes, increases and decreases foraminiferous screw tap, installs on the pivot after connecting the chuck again, and the pivot has the multisection, connects each other through universal joint, and the pivot anchor clamps have the bearing, can adjust the pivot position to change foraminiferous screw tap position.
Furthermore, more than 12 rotating shafts are arranged in the multi-shaft box.
Furthermore, the tapping machine also comprises a nozzle, wherein the nozzle points to the tapping position, high-pressure air is sprayed out to cool the tapping and blow down the generated scrap iron.
Accordingly, there is provided a method of operating a tapping device adapted for use in a tapped hole, comprising the steps of:
mounting the same number of screw taps with holes according to the number of the notch holes of the notch hole plate;
adjusting the positions of the rotating shaft and the tap with the hole through the rotating shaft clamp according to the position of the notch hole;
placing the notch orifice plate on a supporting plate, sleeving the notch orifice plate in a positioning rod, positioning the notch orifice plate through the positioning rod and a guide rod, and placing the notch orifice plate smoothly;
starting the main shaft, rotating and descending the screw tap with the hole, matching a sleeving hole in the head of the screw tap with the hole with a pin at the top of the positioning rod, keeping the two ends of the screw tap with the hole positioned, and tapping in a self-centering manner;
during tapping, the screw tap with holes sinks, the screw tap with holes pushes the positioning rod, so that the supporting plate is driven to descend along the guide rod, and the return spring enables the descending to be gentle;
after tapping is finished, the tap with holes is reversed and ascended, the return spring makes the supporting plate return to the initial position,
and taking down the notch orifice plate and processing the next piece.
The working principle of the invention is as follows:
according to the invention, the hole is processed in the center of the head of the common screw tap, and two ends of the screw tap with the hole are positioned during tapping, so that self-centering tapping can be kept, the position of the screw tap with the hole is ensured not to deviate, and the processing quality of the bottom hole is improved.
Has the advantages that:
1. the tapping device suitable for the notch hole and the working method thereof can enable the tap to be positioned in two directions in the tapping process, tap by self-centering, are suitable for machining the bottom hole with a single notch or a plurality of notches, enable the tap and the bottom hole to be positioned accurately and enable the machining precision to be high;
2. the invention avoids the breakage of the screw tap, prolongs the service life of the screw tap and improves the processing stability;
3. the multi-shaft box and the rotating shaft clamp are provided, the notch hole plates with various specifications and different bottom hole numbers and positions can be processed, the multi-shaft box and the rotating shaft clamp are installed at one time and processed synchronously, the working efficiency is high, and the applicability is wide.
Drawings
FIG. 1 is a perspective view of a tapping unit adapted for use in a tapped hole according to the present invention in assembly with a tapping machine;
FIG. 2 is an enlarged perspective view of the tapping device for a tapped hole according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged exploded view of the tapping device for a cutaway hole according to the present invention.
In the figure: 1. the multi-shaft box type multi-shaft screw tap comprises a screw tap with holes, 2 parts of a notch orifice plate, 3 parts of a supporting plate, 4 parts of a positioning rod, 5 parts of a guide rod, 6 parts of a bottom plate, 7 parts of a spring sleeve, 8 parts of a return spring, 9 parts of a multi-shaft box, 10 parts of a main shaft, 11 parts of a chuck, 12 parts of a workbench. .
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 and 2, the tapping device suitable for the notch hole comprises a plurality of the perforated screw taps (1), the number of the perforated screw taps (1) is the same as that of the notch holes of the notch hole plate (2), the head parts of the perforated screw taps (1) are provided with sleeving holes, the perforated screw taps (1) are arranged on chuck heads (11), the chuck heads (11) are connected with a rotating shaft, the rotating shaft is connected into a multi-shaft box (9) and driven by a main shaft (10) to synchronously rotate and turn over, the multi-shaft box (9) and the main shaft (10) can be driven by a motor to vertically lift,
a supporting plate (3), a positioning rod (4) is arranged on the supporting plate (3), a pin is arranged at the top of the supporting plate (3) and is matched with a sleeve hole of the screw tap (1) with a hole, a notch pore plate (2) is arranged on the supporting plate (3), as shown in figure 3, a through hole of the notch pore plate (2) is matched with the positioning rod (4),
the bottom plate (6) is arranged on the workbench (12), and the bottom plate (6) is positioned below the supporting plate (3) and keeps a distance with the supporting plate (3); the spring sleeves (7) are arranged at four corners of the bottom plate (6), the connecting rods are arranged in the spring sleeves (7), penetrate through the bottom plate (6), are sleeved with the reset springs (8), penetrate through the supporting plate (3), are locked by the nuts, can enable the supporting plate (3) to be close to the bottom plate (6) during tapping, and return to the initial position through the reset springs (8) after tapping is completed,
as shown in fig. 4, the guide rod (5) is installed on the bottom plate (6), more than 4 guide rods are provided, the guide rod (5) penetrates through the supporting plate (3), the head part of the guide rod is slightly smaller, the guide rod is embedded into a strip-shaped groove of the notch pore plate (2) to avoid the perforated tap (1), the notch pore plate (2) is positioned and lifted, the notch pore plate (2) is suspended when the supporting plate (3) descends, and the guide rod guides the movement of the supporting plate (3).
The notched orifice plate (2) can be a blank of a tension plate, the company applies a new processing technology of the tension plate, a counter bore, a through hole and a strip-shaped groove are firstly punched, the strip-shaped groove penetrates through the counter bore and the through hole, and when the thread of the through hole is processed, the tapping device disclosed by the invention is needed.
In practical application, still include the pivot anchor clamps, the pivot quantity exceeds foraminiferous screw tap (1) quantity in multiaxis case (9), and the hole number of breach orifice plate (2) changes, increases and decreases foraminiferous screw tap (1), installs on the pivot again behind connection chuck (11), and the pivot has the multisection, connects each other through universal joint, and the pivot anchor clamps have the bearing, can adjust the pivot position to change foraminiferous screw tap (1) position. More than 12 rotating shafts are arranged in the multi-shaft box (9). The device is suitable for processing 8, 12 or more notch hole plates (2), the device can be used when the number of the hole taps (1) is increased or decreased, and the positions of the rotating shaft and the hole taps (1) are adjusted by the chuck (11) after the chuck (11) is connected with the rotating shaft.
The multi-shaft tap tapping machine further comprises a nozzle, wherein the nozzle can be installed on the multi-shaft box and synchronously moves with the tap with the hole to access compressed air, the nozzle points to a tapping position, high-pressure air is sprayed out to cool the tapping, and generated scrap iron is blown down.
The working method of the tapping device suitable for the notch hole comprises the following steps:
1) installing the same number of screw taps (1) with holes according to the number of the notch holes of the notch hole plate (2);
2) according to the position of the notch hole, the positions of the rotating shaft and the tap (1) with the hole are adjusted through the rotating shaft clamp;
3) the notch pore plate (2) is placed on the supporting plate (3) and is sleeved in the positioning rod (4), and the notch pore plate is positioned by the positioning rod (4) and the guide rod (5) and is placed flatly;
4) starting the main shaft (10), rotating and descending the perforated screw tap (1), matching a sleeving hole in the head of the perforated screw tap (1) with a pin at the top of the positioning rod (4), keeping the two ends of the perforated screw tap (1) positioned, and tapping in a self-centering manner;
5) during tapping, the perforated screw tap (1) pushes the positioning rod (4) along with the sinking of the perforated screw tap (1), so that the supporting plate (3) is driven to descend along the guide rod (5), and the descending is gentle due to the reset spring (8);
6) after tapping is finished, the tap (1) with holes rotates reversely and rises, the return spring (8) enables the supporting plate (3) to return to the initial position,
7) and (3) taking down the notch orifice plate (2) and processing the next piece.
In conclusion, the invention can realize bidirectional positioning and self-centering tapping in the tapping process of the screw tap, is suitable for machining the bottom hole with a single or a plurality of notches, ensures that the screw tap and the bottom hole are accurately positioned, and has high machining precision, high working efficiency and wide applicability.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (5)
1. Tapping device suitable for breach hole, its characterized in that: comprises that
The porous tap (1) is provided with a plurality of porous taps (1) which have the same number as the number of the notch holes of the notch hole plate (2), the head part of the porous tap (1) is provided with a sleeve hole, the porous tap (1) is arranged on a chuck (11), the chuck (11) is connected with a rotating shaft, the rotating shaft is connected into a multi-shaft box (9) and driven by a main shaft (10) to synchronously rotate and turn over, the multi-shaft box (9) and the main shaft (10) can be driven by a motor to vertically lift,
a supporting plate (3), a positioning rod (4) is arranged on the supporting plate (3), a pin is arranged at the top of the supporting plate (3) and is matched with a sleeve hole of the screw tap (1) with a hole, a notch pore plate (2) is arranged on the supporting plate (3), a through hole of the notch pore plate (2) is matched with the positioning rod (4),
the bottom plate (6) is arranged on the workbench (12), and the bottom plate (6) is positioned below the supporting plate (3) and keeps a distance with the supporting plate (3); the spring sleeves (7) are arranged at four corners of the bottom plate (6), the connecting rods are arranged in the spring sleeves (7), penetrate through the bottom plate (6), are sleeved with the reset springs (8), penetrate through the supporting plate (3), are locked by the nuts, can enable the supporting plate (3) to be close to the bottom plate (6) during tapping, and return to the initial position through the reset springs (8) after tapping is completed,
guide arm (5), guide arm (5) are installed on bottom plate (6), have more than 4, and layer board (3) are passed in guide arm (5), and the head is little slightly, and the strip-shaped groove of embedding breach orifice plate (2) dodges and opens foraminiferous screw tap (1), fixes a position and lifts breach orifice plate (2), makes breach orifice plate (2) unsettled when layer board (3) descend to the motion to layer board (3) leads.
2. The tapping device for the tapped hole according to claim 1, wherein: still include the pivot anchor clamps, the pivot quantity surpasss foraminiferous screw tap (1) quantity in multiaxis case (9), and the hole number of breach orifice plate (2) changes, increases and decreases foraminiferous screw tap (1), installs in the pivot again behind connection chuck (11), and the pivot has the multisection, connects each other through universal joint, and the pivot anchor clamps have the bearing, adjustable pivot position to change foraminiferous screw tap (1) position.
3. The tapping device for the tapped hole as set forth in claim 2, wherein: more than 12 rotating shafts are arranged in the multi-shaft box (9).
4. The tapping device for the tapped hole according to claim 1, wherein: the tapping machine also comprises a nozzle, wherein the nozzle points to the tapping position, high-pressure air is sprayed out to cool the tapping, and the generated scrap iron is blown down.
5. The working method of the tapping device for the tapped hole according to any one of claims 1 to 4, wherein: the method comprises the following steps:
1) installing the same number of screw taps (1) with holes according to the number of the notch holes of the notch hole plate (2);
2) according to the position of the notch hole, the positions of the rotating shaft and the tap (1) with the hole are adjusted through the rotating shaft clamp;
3) the notch pore plate (2) is placed on the supporting plate (3) and is sleeved in the positioning rod (4), and the notch pore plate is positioned by the positioning rod (4) and the guide rod (5) and is placed flatly;
4) starting the main shaft (10), rotating and descending the perforated screw tap (1), matching a sleeving hole in the head of the perforated screw tap (1) with a pin at the top of the positioning rod (4), keeping the two ends of the perforated screw tap (1) positioned, and tapping in a self-centering manner;
5) during tapping, the perforated screw tap (1) pushes the positioning rod (4) along with the sinking of the perforated screw tap (1), so that the supporting plate (3) is driven to descend along the guide rod (5), and the descending is gentle due to the reset spring (8);
6) after tapping is finished, the tap (1) with holes rotates reversely and rises, the return spring (8) enables the supporting plate (3) to return to the initial position,
7) and (3) taking down the notch orifice plate (2) and processing the next piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010220674.8A CN111230230B (en) | 2020-03-25 | 2020-03-25 | Tapping device suitable for notch holes and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010220674.8A CN111230230B (en) | 2020-03-25 | 2020-03-25 | Tapping device suitable for notch holes and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111230230A true CN111230230A (en) | 2020-06-05 |
| CN111230230B CN111230230B (en) | 2024-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010220674.8A Active CN111230230B (en) | 2020-03-25 | 2020-03-25 | Tapping device suitable for notch holes and working method thereof |
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| Country | Link |
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| CN (1) | CN111230230B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846420A (en) * | 2020-12-28 | 2021-05-28 | 南京海邦环保科技有限公司 | Processing device for flange plate of chemical pump |
| CN113618170A (en) * | 2021-07-29 | 2021-11-09 | 济南三星灯饰有限公司 | Aluminum alloy ex-trusions arc groove tapping prevents inclined to one side device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627675A1 (en) * | 1996-07-10 | 1998-01-15 | Walter Lauermann | Deep-drawing hollow objects, especially containers having large bodies and smaller necks |
| CN102500844A (en) * | 2011-11-17 | 2012-06-20 | 许晓华 | Screw tap positioning device |
| CN211939381U (en) * | 2020-03-25 | 2020-11-17 | 盐城市人利和商贸有限公司 | Tapping device suitable for notch hole |
-
2020
- 2020-03-25 CN CN202010220674.8A patent/CN111230230B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627675A1 (en) * | 1996-07-10 | 1998-01-15 | Walter Lauermann | Deep-drawing hollow objects, especially containers having large bodies and smaller necks |
| CN102500844A (en) * | 2011-11-17 | 2012-06-20 | 许晓华 | Screw tap positioning device |
| CN211939381U (en) * | 2020-03-25 | 2020-11-17 | 盐城市人利和商贸有限公司 | Tapping device suitable for notch hole |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846420A (en) * | 2020-12-28 | 2021-05-28 | 南京海邦环保科技有限公司 | Processing device for flange plate of chemical pump |
| CN112846420B (en) * | 2020-12-28 | 2024-03-01 | 南京海邦环保科技有限公司 | Processing device for flange plate of chemical pump |
| CN113618170A (en) * | 2021-07-29 | 2021-11-09 | 济南三星灯饰有限公司 | Aluminum alloy ex-trusions arc groove tapping prevents inclined to one side device |
| CN113618170B (en) * | 2021-07-29 | 2022-04-15 | 济南三星灯饰有限公司 | Aluminum alloy ex-trusions arc groove tapping prevents inclined to one side device |
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| Publication number | Publication date |
|---|---|
| CN111230230B (en) | 2024-09-10 |
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| CB02 | Change of applicant information |
Country or region after: China Address after: 224000 floor 4, building 1, No. 1, Xinhua Road, Tinghu District, Yancheng City, Jiangsu Province Applicant after: Yancheng Yigang Supply Chain Management Co.,Ltd. Address before: 224000 floor 4, building 1, No. 1, Xinhua Road, Tinghu District, Yancheng City, Jiangsu Province Applicant before: Yancheng renlihe Trading Co.,Ltd. Country or region before: China |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |