CN110355542A - A kind of production technology of pipe crimping drill rod matrix - Google Patents
A kind of production technology of pipe crimping drill rod matrix Download PDFInfo
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- CN110355542A CN110355542A CN201910716436.3A CN201910716436A CN110355542A CN 110355542 A CN110355542 A CN 110355542A CN 201910716436 A CN201910716436 A CN 201910716436A CN 110355542 A CN110355542 A CN 110355542A
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- tube body
- pipe crimping
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- welding
- terminal board
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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Abstract
The invention discloses a kind of production technology of pipe crimping drill rod matrix, the pipe crimping drill rod matrix is applied in thin-walled drill, comprising: step 1, tube body processing: a, setting-out blanking；B, pipe crimping；C, pipe crimping welding；D, school circle；E beats groove；Step 2, tube body and terminal board weld；Step 3 organizes joint and terminal board；Step 4, vehicle weld bond to not only increase the production and processing efficiency of pipe crimping drill rod matrix, reduce loss, and improve machining yield and service life while guaranteeing welding quality.
Description
Technical field
The present invention relates to thin-walled drill manufacturing technology field, in particular to a kind of production technology of pipe crimping drill rod matrix.
Background technique
Diamond core drill bit is also known as rhinestone head, hollow boring bit, is widely used in and reinforces concrete, concrete, cement, pitch horse
The drilling and sampling of the hard brittle materias such as road, glass, stone material, hard masonry.For construction, building reconstruction and pipeline
Drill hole on wall in the construction such as laying and urban construction is used, and is also used for construction quality supervision unit sample, is that engineering is built
If one of indispensable consumable tool.
Usual diamond thin-wall drill bit is composed of diamond bit and drill rod matrix, in the prior art drill rod matrix
Processing generally directly to wall thickness be 9mm~12mm thick-walled pipe machine, be finally worked into wall thickness be 2mm~3mm
For finished product, drawback is obvious, and such as low efficiency, the Vehicle Processing time is long；Loss is big, and the utilization rate of raw material only has 20% or so；Essence
It spends low, is mainly manifested in terms of surface roughness is low and concentricity.The connection of tube body and terminal board is also generally directly welding, by
Small in welding contact surface, welding quality is not also high.
Summary of the invention
The present invention provides a kind of production technology of pipe crimping drill rod matrix, to solve pipe crimping drill rod matrix in the prior art
Low efficiency in production process, loss is high, and yield rate is low, the short technical problem of drill rod matrix service life,
The pipe crimping drill rod matrix is applied in thin-walled drill, includes the following steps:
Step 1, tube body processing:
A, setting-out blanking: according to the length and width setting-out of preset tube body, the result based on the setting-out uses shear
Machine carries out blanking and removes flash removed by deburring grinder when the notch after shear is jagged；
Pipe crimping: b carries out pipe crimping molding using plate of the three rolls plate bending machine to blanking, guarantees circularity during pipe crimping；
C, pipe crimping welding: being heated to predetermined temperature for the tube body, is then filled silk by argon arc welding machine and carries out outer circle welding,
The tube body is heated to the predetermined temperature again, is filled silk by argon arc welding machine and carries out inner hole welding of rapid cooling, it is clear in time after welding
Manage the slag of face of weld；
School circle: d carries out school circle to the tube body by three rolls plate bending machine, so that the circularity of the tube body is not more than
0.7mm；
E beats groove: utilizing gas flame cuttiug to the pipe by scheduled bevel angle in the predetermined length position of the tube body
Body beats groove, removes iron oxide after the completion of cutting, groove is polished metallic luster；
Step 2, tube body and terminal board weld: adjust the plumb joint position of argon arc welding machine, make its correspond to described tube body with
The groove of the terminal board junction, then carries out the welding of the tube body Yu the terminal board；
Step 3 organizes joint and terminal board: first connecting the thread segment of the connector with the internal screw thread of the terminal board
It tightens, then the outer of junction is welded using argon arc welding machine, constitutes the pipe crimping drill rod matrix；
Vehicle weld bond: step 4 carries out turning to each weld bond using lathe, keeps each weld bond smooth.
Preferably, described that pipe crimping molding is carried out using plate of the three rolls plate bending machine to blanking, specifically comprise the following steps:
(1), after in plate position pair, strictly using fast feed method and repeatedly feeding method pre-bending, three rollers pre-bending: are adjusted
The position of the upper roller of veneer reeling machine makes plate two ends that preliminary bending occur；
(2), rolling volume: the upper roller and reciprocating rolling are gradually depressed, the radius of curvature of plate is made to be progressively smaller until pipe crimping
Molding；
(3), it examines: it is periodically whether qualified with standard jig detection radian in the pipe crimping forming process, detect plate
The straightness of crooked position, whether the circularity of pipe crimping is in preset range；
(4), tack-weld: after the completion of rolling volume, detect whether two opposite side of tube body has whether misalignment, gap close
Lattice are used after eliminating misalignment and opposite side gap qualification if so, suitably adjusting the relative position of three rollers and welding bead on three rolls plate bending machine
CO2 gas shielded arc welding or manual metal-arc welding tack-weld.
Preferably, before carrying out the tube body and terminal board welding, further includes:
Vehicle terminal board: roughing outer circle is carried out to steel plate using lathe, both ends of the surface is finished and connect with the connector
Internal screw thread.
Preferably, before carrying out described group of joint and terminal board, further includes:
The production of connector: selecting common six square tubes material, finishes both ends of the surface, seam allowance and driving axis connection by numerical control
Matrix screw thread and the thread segment being connect with the terminal board.
Preferably, the preset temperature specifically: 80-150 DEG C.
Preferably, after completing the pipe crimping welding, further includes:
Postwelding inspection: visual examination is carried out to weld seam by GB50205-2001 and GB11345-89, is detected in the appearance
Defect detecting test is carried out after qualification.
Preferably, the test stone of the groove are as follows: root face: ± 1mm, 3 ° of bevel angle deviation, bevelled edge after cutting
Oxide-free melts tumor and splashing.
Preferably, according to the length and width setting-out of preset tube body, specifically:
Plate check with steel tape before the setting-out and centering, the setting-out size of plate are pressed in the tube body
Diameter calculates, and stamps sample after setting-out on plate and fills, and marks the center line of plate.
Preferably, after carrying out the vehicle weld bond, further includes:
Cleaning polishing: it is cleaned using pipe crimping drill rod matrix surface described in cleaning solvent, then is aided with dedicated sanding machine
Cotton piece buff gluing diamond dust is processed by shot blasting.
Preferably, in the plumb joint position for adjusting argon arc welding machine, so that it is corresponded to the tube body and connect with the terminal board
After the groove at place, further includes:
Radiant type circumferential direction is added to support strength in the tube body based on the plumb joint position, tube body when reducing welding
Deformation.
By apply above technical scheme, after being cut using steel plate pipe crimping make tube body, it is high in machining efficiency, loss it is low, and
And welded to inside and outside tube body, avoid the problem of snapping；Additionally by tube body school circle is carried out, thin diamond wall is improved
The concentricity for boring matrix, avoids and vibrates excessive problem in the course of work, and then improves the use longevity of diamond core drill bit
Life；Groove is opened up before tube body and terminal board welding, increases welding contact surface, when welding based on plumb joint position in tube body
Add radiant type circumferential direction to support strength, reduces welding deformation amount, improve welding quality.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the production technology of pipe crimping drill rod matrix in the embodiment of the present invention:
Fig. 2 is a kind of structural schematic diagram of pipe crimping drill rod matrix in the embodiment of the present invention；
Wherein, in Fig. 2,
1- tube body, 2- terminal board, 3- connector.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of production technology of pipe crimping drill rod matrix, pipe crimping production pipe after being cut using steel plate
Body, it is high in machining efficiency, loss is low, and welded to inside and outside tube body, avoids the problem of snapping；Additionally by carrying out pipe
Sports school's circle, improves the concentricity of diamond core drill bit matrix, opens up groove before tube body and terminal board welding, increases welding
Area improves welding quality.
Fig. 1 is a kind of flow diagram of the production technology of pipe crimping drill rod matrix in the embodiment of the present invention, and Fig. 2 is the present invention
A kind of structural schematic diagram of pipe crimping drill rod matrix in embodiment, a kind of above-mentioned production technology of pipe crimping drill rod matrix, comprising:
Step 1, tube body 1 are processed, are specifically included:
Setting-out blanking: step a according to the length and width setting-out of preset tube body 1, carries out blanking using plate shearing machine, cuts
Suitable shear parameter is set when plate, flash removed is gone by deburring grinder.
Specifically, check simultaneously centering to plate with steel tape before setting-out, the setting-out size of plate is by pipe crimping
Diameter calculates, and stamps sample after setting-out on plate and fills, and mark the center line of plate, when the notch after shear is jagged, can pass through
Deburring grinder removes flash removed.
Pipe crimping: step b carries out pipe crimping molding using plate of the three rolls plate bending machine to blanking, guarantees circle during pipe crimping
Degree, avoids and machines to thick-walled pipe, the problem that processing efficiency is low, the time is long, loss is big.
It specifically includes:
(1), after in plate position pair, strictly using fast feed method and repeatedly feeding method pre-bending, three rollers pre-bending: are adjusted
The position of the upper roller of veneer reeling machine makes plate two ends that preliminary bending occur；
(2), rolling volume: after preliminary bending occurs in plate, then reciprocating rolling and be bent, gradually depress upper roller and reciprocal
It rolls, is gradually reduced the radius of curvature of plate, until requiring to form pipe crimping as defined in reaching；
(3), it examines: in forming process, the detection plate whether qualified with standard jig detection radian of operative employee frequently
The straightness of crooked position, whether the circularity of pipe crimping is in preset range.
(4), tack-weld: after the completion of rolling volume, whether detection two opposite side of pipe crimping have misalignment, gap qualified, if so,
CO is used after eliminating misalignment and opposite side gap qualification in the appropriate relative position for adjusting three rollers and welding bead on three rolls plate bending machine2Gas
Protection weldering or manual metal-arc welding tack-weld.
Step c, pipe crimping welding.
It specifically includes:
(1) first time weld preheating: tube body 1 should be preheated before welding, 80-150 DEG C of preheating temperature, from heating surface
The back side detected with temperature measurer；
(2) outer circle is welded: after reaching preheating temperature, being filled silk by argon arc welding machine and is carried out outer circle welding；
(3) second of weld preheating: it 80-150 DEG C of preheating temperature, is detected from the back side of heating surface with temperature measurer；
(4) it inner hole welding of rapid cooling: after reaching preheating temperature, is filled silk by argon arc welding machine and carries out inner hole welding of rapid cooling, interior external welding is complete
At the rear slag for removing face of weld, stomata trachoma, and weld is polished.
(5) postwelding inspection: visual examination is carried out to weld seam by GB50205-2001 and GB11345-89, appearance detection is qualified
After can be chosen whether according to technical conditions carry out defect detecting test.
Welding quality is improved by weld preheating and interior weldering and outside weld, avoids in the course of work and is snapped due to vibration
The problem of.
Step d, school circle.
Tube body 1 need to go up three rolls plate bending machine and carry out school circle, back and forth roll volume at radian position less than normal, go after welding
Except internal stress, pipe crimping circularity is improved, so that the circularity of tube body 1 is not more than 0.7mm, to improve diamond core drill bit matrix
Concentricity avoids and vibrates excessive problem in the course of work, and then improves the service life of diamond core drill bit.
Step e beats groove in 1 predetermined length position of tube body, to be welded with terminal board 2.
Specifically, beating groove using gas flame cuttiug by scheduled bevel angle in the predetermined length position of tube body 1, cut
At rear removing iron oxide, groove is polished into metallic luster.The test stone of groove are as follows: root face: ± 1mm, bevel angle deviation
3 °, bevelled edge oxide-free after cutting melts tumor and splashing, by the way that groove is arranged, increases welding contact surface, ensure that welding
Quality.
Step 2, vehicle terminal board 2: carrying out roughing outer circle to steel plate using lathe, finishes both ends of the surface and connects with connector 3
The internal screw thread connect.
Step 3, tube body 1 and terminal board 2 weld: adjust the plumb joint position of argon arc welding machine, make its correspond to tube body 1 with
Then the junction groove of terminal board 2 carries out the welding of tube body 1 and terminal board 2.To reduce welding deformation amount, except by technique
Outside ring, when welding based on plumb joint position in tube body 1 plus radiant type circumferential direction supports strength.
Step 4, the production of connector 3: selecting common six square tubes material, finishes both ends of the surface, seam allowance and driving by numerical control
The matrix screw thread of axis connection and the thread segment being connect with terminal board 2.
Step 5, connector 3 assemble: first connecting the thread segment of connector 3 with the internal screw thread of terminal board 2 and tighten, then use
Argon arc welding machine welds the outer of its junction, to constitute pipe crimping drill rod matrix.
Step 6 carries out turning to each weld bond using lathe, keeps each weld bond smooth.
Step 7 is cleaned using cleaning solvent pipe crimping drill rod matrix surface, then is aided with cotton piece buff glue with dedicated sanding machine
Viscous diamond dust is processed by shot blasting.
Above-described embodiment is the description of the invention, is not limitation of the invention, any pair of simple transformation of the invention
Structure, technique afterwards all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of production technology of pipe crimping drill rod matrix, the pipe crimping drill rod matrix is applied in thin-walled drill, which is characterized in that packet
Include following steps:
Step 1, tube body processing:
A, setting-out blanking: according to the length and width setting-out of preset tube body, the result based on the setting-out using plate shearing machine into
Row blanking removes flash removed by deburring grinder when the notch after shear is jagged；
Pipe crimping: b carries out pipe crimping molding using plate of the three rolls plate bending machine to blanking, guarantees circularity during pipe crimping；
C, pipe crimping welding: being heated to predetermined temperature for the tube body, is then filled silk by argon arc welding machine and carries out outer circle welding, then will
The tube body is heated to the predetermined temperature, is filled silk by argon arc welding machine and carries out inner hole welding of rapid cooling, cleaning weldering in time after welding
The slag of seam surface；
School circle: d carries out school circle to the tube body by three rolls plate bending machine, so that the circularity of the tube body is not more than 0.7mm；
E beats groove: being beaten using gas flame cuttiug the tube body in the predetermined length position of the tube body by scheduled bevel angle
Groove removes iron oxide after the completion of cutting, groove is polished metallic luster；
Step 2, tube body and terminal board weld: adjust the plumb joint position of argon arc welding machine, make its correspond to described tube body with it is described
Then the groove of terminal board junction carries out the welding of the tube body Yu the terminal board；
Step 3 organizes joint and terminal board: first connecting the thread segment of the connector with the internal screw thread of the terminal board and tighten,
Then the outer of junction is welded using argon arc welding machine, constitutes the pipe crimping drill rod matrix；
Vehicle weld bond: step 4 carries out turning to each weld bond using lathe, keeps each weld bond smooth.
2. production technology as described in claim 1, which is characterized in that described to be carried out using plate of the three rolls plate bending machine to blanking
Pipe crimping molding, specifically comprises the following steps:
(1), after in plate position pair, strictly using fast feed method and repeatedly feeding method pre-bending, three roller roll bendings pre-bending: are adjusted
The position of the upper roller of machine makes plate two ends that preliminary bending occur；
(2), rolling volume: gradually depressing the upper roller and reciprocating rolling, and the radius of curvature of plate is made to be progressively smaller until that pipe crimping forms；
(3), it examines: it is periodically whether qualified with standard jig detection radian in the pipe crimping forming process, detect sheet metal bending
The straightness at position, whether the circularity of pipe crimping is in preset range；
(4), tack-weld: after the completion of rolling volume, detecting whether two opposite side of tube body has misalignment, gap whether qualified,
If so, suitably adjusting the relative position of three rollers and welding bead on three rolls plate bending machine, CO is used after eliminating misalignment and opposite side gap qualification2
Gas shielded arc welding or manual metal-arc welding tack-weld.
3. production technology as described in claim 1, which is characterized in that before carrying out the tube body and terminal board welding, also
Include:
Vehicle terminal board: roughing outer circle is carried out to steel plate using lathe, the interior spiral shell for finishing both ends of the surface and connecting with the connector
Line.
4. production technology as described in claim 1, which is characterized in that before carrying out described group of joint and terminal board, also
Include:
The production of connector: selecting common six square tubes material, finishes both ends of the surface, seam allowance, the matrix with driving axis connection by numerical control
Screw thread and the thread segment being connect with the terminal board.
5. production technology as described in claim 1, which is characterized in that the preset temperature specifically: 80-150 DEG C.
6. production technology as described in claim 1, which is characterized in that after completing the pipe crimping welding, further includes:
Postwelding inspection: visual examination is carried out to weld seam by GB50205-2001 and GB11345-89, it is qualified to detect in the appearance
After carry out defect detecting test.
7. production technology as described in claim 1, which is characterized in that the test stone of the groove are as follows: root face: ± 1mm, slope
3 ° of angular deviation of mouth, bevelled edge oxide-free after cutting melt tumor and splashing.
8. production technology as described in claim 1, which is characterized in that according to the length and width setting-out of preset tube body, tool
Body are as follows:
Check simultaneously centering to plate with steel tape before the setting-out, the setting-out size of plate is based on the central diameter of the tube body
It calculates, stamps sample after setting-out on plate and fill, and mark the center line of plate.
9. production technology as described in claim 1, which is characterized in that after carrying out the vehicle weld bond, further includes:
Cleaning polishing: it is cleaned using pipe crimping drill rod matrix surface described in cleaning solvent, then is aided with cotton piece buff with dedicated sanding machine
Gluing diamond dust is processed by shot blasting.
10. production technology as described in claim 1, which is characterized in that in the plumb joint position for adjusting argon arc welding machine, make it
After the corresponding tube body and the groove of the terminal board junction, further includes:
Radiant type circumferential direction is added to support strength in the tube body based on the plumb joint position, the change of tube body when reducing welding
Shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910716436.3A CN110355542A (en) | 2019-08-05 | 2019-08-05 | A kind of production technology of pipe crimping drill rod matrix |
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| CN201910716436.3A CN110355542A (en) | 2019-08-05 | 2019-08-05 | A kind of production technology of pipe crimping drill rod matrix |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347126A (en) * | 2020-03-04 | 2020-06-30 | 济南重工股份有限公司 | Mill chute and processing technology thereof |
| CN111992990A (en) * | 2020-08-14 | 2020-11-27 | 烟台得茂汽车零部件有限公司 | Steering column forming base body and process for forming steering column by using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347126A (en) * | 2020-03-04 | 2020-06-30 | 济南重工股份有限公司 | Mill chute and processing technology thereof |
| CN111992990A (en) * | 2020-08-14 | 2020-11-27 | 烟台得茂汽车零部件有限公司 | Steering column forming base body and process for forming steering column by using same |
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Application publication date: 20191022 |