CN111843060A - Manual tapping positioning device and manual tapping method - Google Patents
Manual tapping positioning device and manual tapping method Download PDFInfo
- Publication number
- CN111843060A CN111843060A CN202010752485.5A CN202010752485A CN111843060A CN 111843060 A CN111843060 A CN 111843060A CN 202010752485 A CN202010752485 A CN 202010752485A CN 111843060 A CN111843060 A CN 111843060A
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- pull rod
- tap
- positioning plate
- tapped
- tapping
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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
- B23G1/26—Manually-operated thread-cutting devices
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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
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
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- Engineering & Computer Science (AREA)
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Abstract
The invention provides a manual tapping positioning device and a manual tapping method. The manual tapping positioning device is fixed on a workpiece to be tapped through the fastener, the distance tube and the pull rod, the tap body is arranged at the bottom hole of the thread to be tapped, and the tap handle is tapped by applying torque through a wrench. The device provided by the invention has the advantages of ingenious design, convenience in use, high tapping efficiency and strong practicability, is suitable for positioning the screw tap when the operation space is limited and only a wrench can be used for manual tapping, can ensure the perpendicularity, the size and the surface roughness of the thread, and has high tapping quality, simple manufacture and low cost.
Description
Technical Field
The invention belongs to the technical field of manual tapping, and particularly relates to a manual tapping positioning device and a manual tapping method.
Background
At present, the screw thread on some equipment receives the process restriction, can only adopt manual tapping, and operating space is narrow and small during the tapping, can not use the hank thick stick tapping, can only use spanner cooperation screw tap to carry out manual tapping to make the tapping quality be difficult to guarantee, the straightness that hangs down, yardstick, the roughness of screw thread are relatively poor.
Therefore, it is necessary to design a manual tapping positioning device which can be tapped by a wrench and is easy to operate.
Disclosure of Invention
In order to overcome the problems, the inventor of the invention makes a keen study and designs a manual tapping positioning device and a manual tapping method. The manual tapping positioning device is fixed on a workpiece to be tapped through the fastener, the distance tube and the pull rod, the tap body is arranged at the bottom hole of the thread to be tapped, and the tap handle is tapped by applying torque through a wrench. The device provided by the invention has the advantages of ingenious design, convenience in use, high tapping efficiency and strong practicability, is suitable for positioning the screw tap when the operation space is limited and only a wrench can be used for manual tapping, can ensure the perpendicularity, the size and the surface roughness of the thread, has high tapping quality, is simple to manufacture and has low cost, and thus the invention is completed.
The invention aims to provide a manual tapping positioning device which comprises a positioning plate, a pull rod and a distance pipe, wherein the distance pipe is sleeved on the pull rod, and one end of the pull rod is connected with the positioning plate.
The positioning plate is provided with more than 3 through holes,
the hole pitch of the through holes is equal to the hole pitch of the threaded bottom holes in the workpiece to be tapped.
When the device is used for manual tapping and positioning, the axis of the through hole in the positioning plate is superposed with the axis of the threaded bottom hole.
The other end of the pull rod is connected with a workpiece to be tapped, the number of the pull rods is more than 2,
both ends of the pull rod are provided with threads, the outer diameter of the threads is equal to the outer diameter of the pull rod, the difference between the diameter of the threaded bottom hole of the workpiece to be tapped and the outer diameter of the threads of the pull rod is 1-3 mm, preferably 2mm,
preferably, the thread length of the two ends of the pull rod is 15-20 mm,
the difference between the inner diameter of the distance tube and the diameter of the pull rod is 3-5 mm, preferably 4 mm.
The device also comprises a fastener, wherein the fastener comprises a fastener I and a fastener II,
preferably, one end of the pull rod penetrates through a through hole of the positioning plate and is connected with the fastening piece II, the positioning plate is positioned between the fastening piece II and the distance tube,
the other end of the pull rod is connected with a fastener I,
preferably, the fastening piece I and the fastening piece II are nuts,
the device also comprises a screw tap, wherein the screw tap comprises a screw tap body and a screw tap handle, and the screw tap handle penetrates through the through hole of the positioning plate and is inserted into the threaded bottom hole.
The total length of the tap is equal to the length of the distance tube, the thickness of the positioning plate and the length of the thread (15-25 mm), preferably, the total length of the tap is equal to the length of the distance tube, the thickness of the positioning plate and the length of the thread (20 mm),
the length of the distance tube is equal to the total length of the tap, the thickness of the positioning plate and the length of the thread, and preferably is equal to the total length of the tap, the thickness of the positioning plate and the length of the thread, and is equal to 20 mm.
The locating plate is formed by steel plate processing, the pull rod is formed by round steel machine processing, the distance tube is formed by steel pipe machine processing.
The invention also provides a manual tapping method, which is carried out by the manual tapping positioning device in the first aspect of the invention, and comprises the following steps: the manual tapping positioning device is fixed on a workpiece to be tapped through a fastener, a distance tube and a pull rod, a tap body passes through a through hole of a positioning plate and is arranged in a threaded bottom hole, a wrench is used for applying torque to a tap handle to tap,
preferably, the pull rod extends into the threaded bottom hole, and the pull rod is connected with the workpiece to be tapped and the positioning plate through the fastening piece I and the fastening piece II, so that the distance between the positioning plate and the workpiece to be tapped is equal to the length of the distance tube.
The invention has the following beneficial effects:
(1) the manual tapping positioning device provided by the invention is suitable for the conditions that mechanical tapping cannot be adopted and only manual tapping can be realized by using a wrench, and can ensure the perpendicularity, dimension and surface roughness of threads;
(2) the device provided by the invention has the advantages of ingenious design, convenience in use, high company quality and high tapping efficiency;
(3) the device provided by the invention can be used for designing positioning devices in different forms according to different workpieces to be tapped, and has the advantages of universality, simplicity in manufacturing and low cost;
(4) the manual tapping method provided by the invention is simple and convenient to operate, strong in practicability and high in tapping efficiency.
Drawings
FIG. 1 shows a schematic structural view of a tie rod according to a preferred embodiment of the present invention;
figure 2 shows a schematic structural view of a spacer tube according to a preferred embodiment of the invention;
FIG. 3 is a schematic view showing the structure of a positioning plate according to a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of a manual tapping positioning device according to a preferred embodiment of the present invention;
fig. 5 is a schematic diagram showing a scale-up structure of the manual tapping positioning device in fig. 4.
The reference numbers illustrate:
1-a cylinder body;
2-a workpiece to be tapped;
21-a threaded bottom hole;
3, a manual tapping positioning device;
31-a positioning plate;
32-a pull rod;
33-distance tube;
341-fastener I;
342-fastener II;
35-tap.
Detailed Description
The invention is explained in more detail below with reference to the drawings and preferred embodiments. The features and advantages of the present invention will become more apparent from the description.
Because operating space is limited, the tapping can only be carried out on the workpiece to be tapped by using a wrench, and in order to avoid the defects that the perpendicularity, the dimension and the surface roughness of the thread of manual tapping are poor, the screw tap needs to be positioned during the manual tapping so as to ensure the tapping quality.
According to the invention, the manual tapping positioning device 3 comprises a positioning plate 31, a pull rod 32, a distance tube 33, a fastener 34 and a tap 35, and is used for tapping a workpiece to be tapped.
For example, as shown in fig. 4, the workpiece 2 to be tapped is welded outside the barrel body 1, preferably, the workpiece 2 to be tapped is a frame welded outside the barrel body, a thread needs to be machined on the workpiece 2 to be tapped, the barrel body 1 and the workpiece 2 to be tapped need to be subjected to a heat treatment process after being assembled and welded, in order to avoid deformation of the thread after the heat treatment, the thread needs to be machined after the heat treatment, because the workpiece 2 to be tapped is close to the outer wall of the barrel body 1, mechanical tapping cannot be performed, only manual tapping can be performed, but due to the limitation of the size of an operation space, tapping by a twisting lever cannot be.
According to the invention, the workpiece 2 to be tapped is provided with the threaded bottom hole 21 to be tapped, the threaded bottom hole 21 is a through hole, and a screw tap 35 is required to be adopted to machine threads on the threaded bottom hole 21 so as to carry out subsequent assembly.
According to the present invention, the shape of the positioning plate 31 is determined according to the shape of the workpiece 2 to be tapped, and preferably, the shape of the positioning plate 31 is matched with the shape of the workpiece 2 to be tapped to ensure stability in tapping, for example, the positioning plate may be an arc plate, a square plate or the like, as shown in fig. 1.
According to a preferred embodiment of the present invention, the positioning plate 31 is made of steel and machined from a steel plate, and the thickness of the positioning plate 31 is 10-20 mm, preferably 10-15 mm, for example 10mm, so as to ensure that the positioning plate 31 has sufficient strength to satisfy the tapping positioning force.
According to the present invention, the positioning plate 31 is provided with more than 3 through holes, preferably more than 5 through holes, so as to increase the positioning accuracy of the manual tapping positioning device 3, and preferably, the through holes have the same diameter.
According to the invention, the difference between the aperture of the positioning plate 31 and the diameter of the screw tap handle is 0.03-0.08 mm, preferably 0.05mm, thereby ensuring the tapping precision.
According to a preferred embodiment of the present invention, the through holes of the positioning plate 31 are positioned in one-to-one correspondence with the threaded bottom holes 21 of the workpiece 2 to be tapped. The hole pitch of the through holes on the positioning plate 31 is equal to the hole pitch of the holes of the threaded bottom hole 21.
Preferably, when tapping is performed by the manual tapping fixture 3, the axis of the through-hole coincides with the axis of its corresponding threaded bottom hole 21.
According to a preferred embodiment of the present invention, as shown in fig. 2, the tie rod 21 is a round rod and made of steel, preferably a round bar machine, and more preferably a 20# round bar machine, as shown in fig. 2.
According to the preferred embodiment of the invention, the two ends of the pull rod 32 are provided with threads, the outer diameter of the threads is equal to that of the pull rod, the difference between the bore diameter of the threaded bottom hole 21 and the outer diameter of the threads on the pull rod 32 is 1-3 mm, preferably 2mm, so that the pull rod 32 can smoothly pass through the threaded bottom hole, and the connection with the workpiece 2 to be tapped is realized.
According to the invention, the thread length of the two ends of the pull rod 32 is 15-20 mm, preferably 15mm, and preferably, the thread length of the two ends of the pull rod 32 is equal.
According to the preferred embodiment of the present invention, the length of the pull rod 32 is equal to the length of the distance tube 33 + the thickness of the positioning plate 31 + the depth of the threaded bottom hole 21 + (15-25 mm),
preferably, the length of the pull rod 32 is equal to the length of the distance tube 33 + the thickness of the positioning plate 31 + the depth of the threaded bottom hole 21 +20 mm.
According to the invention, one end of a tie rod 32 is connected to the positioning plate 31 and the other end of the tie rod 32 is connected to the workpiece 2 to be tapped.
According to the invention, the number of the pull rods 32 is more than 2, the number of the through holes on the positioning plate 31 is more than the number of the pull rods 32,
preferably, the number of the through holes on the positioning plate 31 is 3, the number of the pull rods 32 is 2, each pull rod 32 passes through one through hole, and the tap 35 passes through one through hole.
According to the present invention, the spacer 33 is in the form of a circular tube made of steel, and preferably, the spacer 33 is machined from a steel pipe, as shown in fig. 3.
According to the invention, the wall thickness of the distance tube 33 is 1 to 3mm, preferably 2 mm.
According to the invention, the distance tube 33 is sleeved on the pull rod 32, the length of the distance tube 33 is less than that of the pull rod, and the difference between the inner diameter of the distance tube 33 and the outer diameter of the pull rod 32 is 3-5 mm, preferably 4mm, so as to ensure that the pull rod 32 can smoothly pass through the distance tube 33.
According to the invention, the length of the distance tube 33 is equal to the total length of the tap 35, the thickness of the positioning plate 31 and the depth of the threaded bottom hole- (15-25 mm),
preferably, the length of the distance tube 33 is equal to the total length of the tap 35, the thickness of the positioning plate 31 and the depth of the threaded bottom hole, 20 mm.
According to the invention, the distance tube 33 is used for fixing the distance between the positioning plate 31 and the workpiece 2 to be tapped, namely, when the device is used for manual tapping positioning, the distance between the positioning plate 31 and the workpiece 2 to be tapped is equal to the length of the distance tube 33, so that the stability of the positioning device is ensured.
According to the preferred embodiment of the present invention, the fastening member comprises a fastening member I341 and a fastening member II342, and the fastening member I341 and the fastening member II342 are preferably nuts, and are in threaded connection with the two ends of the pull rod 32, so as to fasten the manual tapping positioning device.
According to the preferred embodiment of the present invention, one end of the pull rod 32 passes through the through hole of the positioning plate 31 and is connected with the fastening member II342, and the positioning plate 31 is located between the fastening member II342 and the distance tube 33, i.e. the connection with the positioning plate is realized through the fastening member II 342.
According to the preferred embodiment of the present invention, the other end of the pull rod 32 is connected with the fastener I341, and preferably, when the tapping is performed by the device, the other end of the pull rod 32 is connected with the fastener I341 through the threaded bottom hole of the workpiece 2 to be tapped, namely, the connection with the workpiece 2 to be tapped is realized by the fastener I341.
According to the invention, the device can be fixed on a workpiece to be tapped through the fastener I341, the fastener II342, the pull rod 32, the distance tube 33 and the positioning plate 31.
According to the present invention, the tap 35 includes a tap body and a tap shank, one end of the tap 35 is the tap body, and the other end is the tap shank, which passes through the through hole of the positioning plate 31 so that the tap body is mounted in the threaded bottom hole 21 of the workpiece 2 to be tapped.
According to the invention, the tap body acts on the threaded bottom hole 21 of the workpiece to be tapped, and the wrench acts on the tap shank, so that the tap body taps the threaded bottom hole by applying a torque to the tap shank.
According to the invention, as shown in fig. 5, the distance tube 33 is sleeved on the pull rod 32, one end of the pull rod 32 passes through the through hole of the positioning plate 31 and is connected with the positioning plate 31 through the fastener II342, when tapping is performed, the other end of the pull rod 32 passes through the threaded bottom hole 21 of the workpiece 2 to be tapped and is fixed with the workpiece 2 to be tapped through the fastener I341, and the device is fixed on the workpiece to be tapped through the combined action of the pull rods 32, the fastener 35, the distance tube 33 and the positioning plate 31, and the axis of the through hole on the positioning plate 31 is overlapped with the axis of the threaded bottom hole on the workpiece 2 to be tapped, so that when the tap is used for tapping, the tap can be accurately positioned, the perpendicularity, the size and the roughness of the thread can be ensured, the tapping.
The manual tapping positioning device provided by the invention can be used for the situation that the tapping is limited by an operation space, the machine tapping and the twisting bar tapping cannot be adopted, the manual tapping can be only carried out by using a wrench (an open end wrench or a ratchet wrench), and the tap is difficult to position.
According to the present invention, when the manual tapping is performed using the manual tapping fixture 3, one end of the pull rod 32 is inserted into the tapped hole 21, the tap 35 is inserted through the through hole of the retainer plate 31, the tap body is mounted in the tapped hole 21, and a torque is applied to the tap shank by a wrench to perform tapping.
The manual tapping positioning device provided by the invention can realize accurate positioning of the screw tap, overcomes the problem that the screw tap is difficult to position when a wrench is used for manual tapping, can ensure the size, the verticality and the surface roughness of threads, and has the advantages of good tapping quality, high tapping efficiency, exquisite design, convenience in use, simplicity in preparation and low cost.
The invention provides a manual tapping method, which is preferably carried out by adopting the manual tapping positioning device, and the method comprises the following steps:
fixing the manual tapping positioning device on a workpiece 2 to be tapped through a fastener, a distance tube 33, a pull rod 32 and a positioning plate 31, installing a tap body 35 in a threaded bottom hole through a through hole of the positioning plate 31, and applying torque to a tap handle through a wrench to tap;
preferably, the pull rod 32 is inserted into the threaded bottom hole, the pull rod 32 is connected with the workpiece 2 to be tapped and the positioning plate 31 through the fastener I341 and the fastener II342, the distance between the positioning plate 31 and the workpiece to be tapped is equal to the length of the distance tube, and the manual tapping positioning device is fixed on the workpiece 2 to be tapped.
According to a preferred embodiment of the invention, one end of the pull rod 32 sleeved with the distance tube 33 passes through the through hole of the positioning plate 31 and is connected with the fastener II342, the other end of the pull rod 32 sleeved with the distance tube 33 passes through the threaded bottom hole and is connected with the fastener I341, and fastening is realized through the fastener I341 and the fastener II342, so that the manual tapping positioning device is fixed with the workpiece 2 to be tapped, accurate positioning of the tap is facilitated,
then, the tap body of the tap 35 is inserted through the through hole of the holding plate 31 and mounted at the threaded bottom hole of the workpiece 2 to be tapped, and a wrench (e.g., an open end wrench or a ratchet wrench) is used to apply torque to the square shank of the tap shank for manual tapping.
According to a preferred embodiment of the invention, after tapping is finished, the tap is taken out of the threaded bottom hole, the nuts at the two ends of the pull rod are unscrewed, the nuts fastened with the workpiece to be tapped are removed, and the device is removed from the frame of the workpiece to be tapped, so that tapping is finished.
The manual tapping method provided by the invention is suitable for the screw tap positioning condition that a twisting rod cannot be used and only a wrench can be used for manual tapping, is simple to operate, has high tapping efficiency and high tapping quality, and can ensure the perpendicularity, dimension and surface roughness of threads.
Examples
The frame is welded on the outer side of the barrel, local M12 threads are arranged on the frame, a heat treatment process is required after the frame and the barrel are assembled and welded, the M12 threads are required to be processed after heat treatment in order to avoid deformation of the threads after heat treatment, mechanical tapping cannot be adopted due to the fact that the frame is only 25mm away from the outer wall of the barrel, only manual tapping can be adopted, however, due to the limitation of the size of an operation space, twisting bars cannot be adopted for tapping, only an open spanner or a ratchet spanner can be adopted for tapping, and therefore the manual tapping positioning device is adopted for tapping.
The frame to be tapped is provided with an M12 threaded bottom hole.
This manual tapping positioner includes 1 locating plate, 2 pull rods, 2 distance tubes and 4 nuts.
Wherein the positioning plate is 10mm thick and is formed by machining a steel plate with the thickness of 10mm, the thickness of the positioning plate is matched with the workpiece frame to be tapped and is an arc-shaped plate, 3 through holes are arranged on the positioning plate, the hole spacing of the 3 through holes is consistent with the hole spacing of the threaded bottom hole of the workpiece frame to be tapped,
the diameter of the pull rod is 8mm, the pull rod is formed by machining round steel with the specification of phi 8mm and the material of 20#, the two ends of the pull rod are processed with threads with the length of 15mm and the specification of M8, the length of the pull rod is 130mm,
the outer diameter of the distance pipe is phi 16mm, the wall thickness is 3mm, the distance pipe is formed by machining a 20# steel pipe with the specification of phi 16 multiplied by 3, the length of the distance pipe is 80mm,
the 4 nuts are 4M 8 nuts and are matched with the threads at the two ends of the pull rod.
The distance pipe is sleeved on the pull rod, one end of the pull rod penetrates through the through hole of the positioning plate and is connected with the nut, and the other end of the pull rod is connected with the nut.
The specific manual tapping method comprises the following steps: the other end of the pull rod passes through the threaded bottom hole and is connected with the nut, the nut at the two ends of the pull rod is screwed up for fastening and is fixed on a workpiece frame to be tapped,
and threading the screw tap through the through hole of the positioning plate, installing the screw tap body at the bottom hole of the thread of the workpiece to be tapped, and tapping at the handle end of the screw tap by using an open-end wrench.
After the manual tapping positioning device is used for manual tapping, the detection of the through gauge and the no-go gauge of the thread is qualified.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on operational states of the present invention, and are only used for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention has been described in detail with reference to the preferred embodiments and illustrative examples. It should be noted, however, that these specific embodiments are only illustrative of the present invention and do not limit the scope of the present invention in any way. Various modifications, equivalent substitutions and alterations can be made to the technical content and embodiments of the present invention without departing from the spirit and scope of the present invention, and these are within the scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. The manual tapping positioning device is characterized by comprising a positioning plate, a pull rod and a distance pipe, wherein the distance pipe is sleeved on the pull rod, and one end of the pull rod is connected with the positioning plate.
2. The device of claim 1, wherein the positioning plate is provided with more than 3 through holes,
the hole pitch of the through holes is equal to the hole pitch of the threaded bottom holes in the workpiece to be tapped.
3. The device of claim 2, wherein when the device is used for manual tapping positioning, the axis of the through hole on the positioning plate is coincident with the axis of the corresponding threaded bottom hole.
4. The apparatus of claim 1,
the other end of the pull rod is connected with a workpiece to be tapped, the number of the pull rods is more than 2,
both ends of the pull rod are provided with threads, the outer diameter of the threads on the pull rod is equal to the outer diameter of the pull rod, the difference between the diameter of the threaded bottom hole of the workpiece to be tapped and the outer diameter of the threads of the pull rod is 1-3 mm, preferably 2mm,
preferably, the thread length of the two ends of the pull rod is 15-20 mm.
5. A device according to claim 1, characterised in that the difference between the inner diameter of the distance tube and the diameter of the pull rod is 3-5 mm, preferably 4 mm.
6. The device of claim 1, further comprising a fastener, the fastener comprising fastener I and fastener II,
preferably, one end of the pull rod penetrates through a through hole of the positioning plate and is connected with the fastening piece II, the positioning plate is positioned between the fastening piece II and the distance tube,
the other end of the pull rod is connected with a fastener I,
preferably, the fastener I and the fastener II are nuts.
7. The apparatus of claim 2, further comprising a tap body and a tap shank, the tap shank passing through the through hole of the locating plate, the tap body being inserted into the tapped bottom hole of the workpiece to be tapped when the apparatus is used for location.
8. The device according to claim 1, wherein the tap has an overall length of distance tube + gauge thickness + thread length + (15-25 mm),
the length of the distance tube is equal to the total length of the screw tap, the thickness of the positioning plate and the length of the thread is (15-25 mm),
preferably, the total length of the tap is equal to the length of the distance tube, the thickness of the positioning plate and the length of the thread, and is 20mm,
the length of the distance tube is equal to the total length of the tap, the thickness of the positioning plate and the length of the thread is equal to 20 mm.
9. The apparatus of claim 1, wherein the alignment plate is machined from steel plate, the tie rod is machined from round steel, and the spacer tube is machined from steel tube.
10. A method of hand tapping using the hand tapping fixture of any one of claims 1-9, the method comprising: the manual tapping positioning device is fixed on a workpiece to be tapped through a fastener, a distance tube, a pull rod and a positioning plate, a tap body penetrates through a through hole of the positioning plate to be installed in a threaded bottom hole, and a wrench is used for applying torque to a tap handle to tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752485.5A CN111843060A (en) | 2020-07-30 | 2020-07-30 | Manual tapping positioning device and manual tapping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752485.5A CN111843060A (en) | 2020-07-30 | 2020-07-30 | Manual tapping positioning device and manual tapping method |
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| CN111843060A true CN111843060A (en) | 2020-10-30 |
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|---|---|---|---|
| CN202010752485.5A Pending CN111843060A (en) | 2020-07-30 | 2020-07-30 | Manual tapping positioning device and manual tapping method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11165216A (en) * | 1997-12-04 | 1999-06-22 | Sony Corp | Jig of cutter for machining |
| CN204248144U (en) * | 2014-11-19 | 2015-04-08 | 吴金炜 | A kind of tapping guider |
| CN206632472U (en) * | 2017-03-10 | 2017-11-14 | 迟圣杭 | A kind of sheet material Manual tapping device |
-
2020
- 2020-07-30 CN CN202010752485.5A patent/CN111843060A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11165216A (en) * | 1997-12-04 | 1999-06-22 | Sony Corp | Jig of cutter for machining |
| CN204248144U (en) * | 2014-11-19 | 2015-04-08 | 吴金炜 | A kind of tapping guider |
| CN206632472U (en) * | 2017-03-10 | 2017-11-14 | 迟圣杭 | A kind of sheet material Manual tapping device |
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Application publication date: 20201030 |