CN110524177B - Positioning welding fixture - Google Patents
Positioning welding fixture Download PDFInfo
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- CN110524177B CN110524177B CN201910842673.4A CN201910842673A CN110524177B CN 110524177 B CN110524177 B CN 110524177B CN 201910842673 A CN201910842673 A CN 201910842673A CN 110524177 B CN110524177 B CN 110524177B
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- welding
- bolt
- adjusting
- welding frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A tack welding fixture, comprising: the welding frame comprises a welding frame body, a clamp and a cross beam, wherein the clamp is an adjusting bolt, the adjusting bolts comprise a plurality of adjusting bolts, the adjusting bolts are distributed on the periphery of the welding frame body, and the adjusting bolts fix an object to be welded on the welding frame body through rotating nuts; the support includes left socle and right branch frame, sets up respectively the both sides of weld holder body, the weld holder body with the support passes through rotation axis connection, the weld holder body can be around can putting into between the rotatory 360 welding holder body's of fixed axle "C" type metal construction and treat welded work piece, and the nut through the rotation adjusting bolt tightly pushes up the work piece of card on the weld holder body. In the adjusting process, the jacking sleeve is tightly attached to the workpiece to be welded and made of elastic rubber, so that no trace is left on the workpiece to be welded in the jacking process.
Description
Technical Field
The invention relates to the field of welding fixtures, in particular to a positioning welding fixture.
Background
The welding fixture is an auxiliary device necessary in the welding field and used for fixing workpieces to be welded.
Disclosure of Invention
The invention mainly solves the technical problems that: the welding fixture with the adjustable welding surface is simple in structure and convenient to position.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a tack welding fixture, comprising:
the welding frame is used for fixing an object to be welded;
the welding frame comprises a frame and a welding head, wherein the frame comprises a base and a support, the support is arranged on the base, and the welding frame is fixed on the support;
the welding frame comprises a welding frame body, a clamp and a cross beam, wherein the clamp is an adjusting bolt, the adjusting bolts comprise a plurality of adjusting bolts, the adjusting bolts are distributed around the welding frame body, and the adjusting bolts fix an object to be welded on the welding frame body through rotating nuts; the support includes left socle and right branch frame, sets up respectively the both sides of weld holder body, the weld holder body with the support passes through rotation axis connection, the weld holder body can be around fixed axle rotation 360.
Further, the welding frame body is of a square frame structure and is formed by welding four metal frames, wherein the cross section of each metal frame is of a C-shaped structure; the top surface of the C-shaped structure is an upper side edge, and the bottom of the C-shaped structure is a lower side edge; a plurality of through holes are formed in the upper side edge, and the adjusting bolts are arranged in the through holes.
Further, the adjusting bolt includes: the screw rod, the adjusting nut and the top sleeve; the screw rod penetrates through the through hole in the upper side edge, the end part of the screw rod, facing one end of the lower side edge, is provided with a top sleeve, the other end of the screw rod is screwed with an adjusting nut, and the adjusting nut abuts against the outer side of the upper side plate; the top sleeve is of a T-shaped structure, a bolt hole is formed in the top sleeve, and the top sleeve is in threaded connection with the screw rod.
Furthermore, the top sleeve is made of elastic rubber.
Further, the crossbeam is for opening the metal shaft-like thing that has the through-hole, the crossbeam includes a plurality of, every crossbeam parallel arrangement, the crossbeam welding is in between the relative downside edge on the welding jig body, every the interval of crossbeam is the same.
Further, anchor clamps still include the mount, the mount is installed in the through-hole of crossbeam, the mount includes: the first bolt, the support rod and the adjusting bolt; the first bolt is inserted into the through hole of the cross beam, the supporting rod is a cross-shaped metal rod, bolt holes are formed in four end portions of the supporting rod, a bolt hole is also formed in the center of the supporting rod, and the supporting rod is connected to the first bolt through the bolt hole formed in the center of the supporting rod; and an adjusting bolt is arranged in the bolt hole at the end part of the supporting rod.
Further, the crossbeam is the metal shaft, the crossbeam includes a plurality of roots, every the crossbeam parallel arrangement, the crossbeam welding is in between the relative downside edge on the welding frame body, the interval between the adjacent crossbeam is the same, wherein, the interval is the same with the diameter of nut.
Further, anchor clamps still include the fixed block, the fixed block includes: a third bolt and a stop block; the stop block is a cross-shaped block, a bolt hole is formed in the block, the third bolt is inserted into the gap of the cross beam, and the stop block is rotatably arranged on the third bolt.
Furthermore, the length of the stop block is 3-8cm, and the height of the stop block is 0.5-3 cm.
Furthermore, the stop block is made of elastic rubber.
The invention has the beneficial effects that:
1. the invention provides a positioning welding fixture, which comprises: the welding frame comprises a welding frame body and an adjusting bolt, the adjusting bolt is arranged on a frame structure of the welding frame body, a workpiece to be welded can be placed between C-shaped metal structures of the welding frame body, and the workpiece is clamped on the welding frame body through nuts on the adjusting bolt in a tightening mode. In the adjusting process, the jacking sleeve is tightly attached to the workpiece to be welded and made of elastic rubber, so that no trace is left on the workpiece to be welded in the jacking process.
2. The invention relates to a rotatable welding frame body, wherein two ends of the welding frame body are arranged on a support, the support is connected with the body through a second bolt, and the second bolt plays a role of a rotating shaft and a tightening role. Through rotatory welding jig body, can adjust the angle of face of weld, conveniently cooperate the welder rifle head to find best solder joint.
3. The invention also designs a fixing frame which is matched with the welding frame body to fix the large-scale workpiece to be welded, the transverse and longitudinal spans of the bracket of the fixing frame are larger, and the end part of the bracket is also provided with an adjusting bolt so as to be convenient for tightly propping against the large-scale workpiece, especially when the large-scale workpiece is provided with a through hole, the first bolt of the fixing frame can pass through the cross beam and the through hole with the welding workpiece, the fixing frame is rotatably connected on the first bolt, and then the adjusting bolt on the fixing frame is adjusted to tightly prop against the workpiece to be processed. By adopting the flexible clamping mode, the special fixture for the workpiece to be welded is avoided being manufactured at each time, and the production cost is saved.
4. The invention also designs a fixed block which is matched with the welding frame body to fix the small-sized workpiece to be welded, the fixed block is smaller in size, a third bolt of the fixed block penetrates through a gap between the cross beams to be placed, the position of the third bolt can slide between the cross beams, the best clamping position is convenient to find, in addition, a plurality of fixed blocks can be arranged, the stop blocks can limit the position of the workpiece to be welded and can push the workpiece to be welded tightly, and the limiting effect is flexibly realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of a tack welding fixture according to the present invention.
FIG. 2 is a schematic view of the structure of FIG. 1 taken along the line A-A.
FIG. 3 is a schematic view of the structure of FIG. 1 along the direction B-B.
FIG. 4 is a front view of another embodiment of a tack welding fixture of the present invention.
Fig. 5 is a schematic perspective view of the fixing block of the present invention.
Wherein:
1. a base; 2. a left bracket; 3. a right bracket; 4. a welding frame body;
5. adjusting the bolt; 6. a fixed mount; 7. a cross beam; 8. a rotating shaft;
9. collecting a net; 10. hooking; 11. a fixed block; 41. an upper side edge;
42. a lower side edge; 51. a screw; 52. adjusting the nut; 53. jacking and sleeving;
61. a first bolt; 62. a strut; 81. a second bolt; 82. a nut;
111. a third bolt; 112. a stopper;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1 to 3, a tack welding jig is characterized by comprising:
the welding frame is used for fixing an object to be welded;
the welding frame comprises a frame and a welding head, wherein the frame comprises a base 1 and a support, the support is arranged on the base 1, and the welding frame is fixed on the support;
the welding frame comprises a welding frame body 4, a clamp and a cross beam 7, wherein the clamp is an adjusting bolt 5, the adjusting bolts 5 comprise a plurality of adjusting bolts, the adjusting bolts 5 are distributed around the welding frame body 4, and the adjusting bolts 5 fix an object to be welded on the welding frame body 4 through a rotating nut 82; the support includes left socle 2 and right branch frame 3, sets up respectively the both sides of weld holder body 4, weld holder body 4 with the support passes through axis of rotation 8 to be connected, weld holder body 4 can wind the fixed axle 360 rotatory.
As shown in fig. 1, the welding frame body 4 is a square frame structure, and the welding frame body 4 is formed by welding four metal frames, wherein the cross section of each metal frame is of a C-shaped structure; the top surface of the C-shaped structure is an upper side edge 41, and the bottom of the C-shaped structure is a lower side edge 42; a plurality of through holes are formed in the upper side edge 41, and the adjusting bolts 5 are arranged in the through holes.
As shown in fig. 2, the adjusting bolt 5 includes: a screw 51, an adjusting nut 52, and a top cover 53; the screw rod 51 penetrates through the through hole of the upper side edge 41, the end part of the screw rod 51 facing one end of the lower side edge 42 is provided with a top sleeve 53, the other end is screwed with an adjusting nut 52, and the adjusting nut 52 is abutted against the outer side of the upper side plate; the top sleeve 53 is of a T-shaped structure, a bolt hole is formed in the top sleeve 53, and the top sleeve 53 is in threaded connection with the screw 51. The top cover 53 is made of elastic rubber.
As shown in fig. 1-2, the cross beam 7 is a metal rod with through holes, the cross beam 7 includes a plurality of cross beams 7, each of the cross beams 7 is arranged in parallel, the cross beams 7 are welded between the opposite lower side edges 42 of the welding frame body 4, and the intervals between the cross beams 7 are the same.
As shown in fig. 2-3, the fixture further includes a fixing frame 6, the fixing frame 6 is installed in the through hole of the cross beam 7, and the fixing frame 6 includes: a first bolt 61, a strut 62 and an adjusting bolt 5; the first bolt 61 is inserted into a through hole of the cross beam 7, the supporting rod 62 is a cross-shaped metal rod, bolt holes are formed in four end parts of the supporting rod 62, a bolt hole is also formed in the center of the supporting rod 62, and the supporting rod 62 is connected to the first bolt 61 through the bolt hole formed in the center; an adjusting bolt 5 is arranged in a bolt hole at the end part of the supporting rod 62.
The design of this embodiment is for cooperating the fixed large-scale work piece of waiting to weld of welding jig body 4, and the horizontal and longitudinal span of mount 6 support is bigger, and the tip of support still installs adjusting bolt 5 and is convenient for push up tightly large-scale work piece, and especially when having a through-hole on the large-scale work piece, the first bolt 61 of mount 6 can pass crossbeam 7 and the through-hole of taking the welding work piece, with mount 6 swivelling joint on first bolt 61, adjust adjusting bolt 5 on the mount 6 again, push up tightly and wait to process the work piece. By adopting the flexible clamping mode, the special fixture for the workpiece to be welded is avoided being manufactured at each time, and the production cost is saved.
Example two:
a tack welding jig as shown in fig. 2, 4 and 5, comprising:
the welding frame is used for fixing an object to be welded;
the welding frame comprises a frame and a welding head, wherein the frame comprises a base 1 and a support, the support is arranged on the base 1, and the welding frame is fixed on the support;
the welding frame comprises a welding frame body 4, a clamp and a cross beam 7, wherein the clamp is an adjusting bolt 5, the adjusting bolts 5 comprise a plurality of adjusting bolts, the adjusting bolts 5 are distributed around the welding frame body 4, and the adjusting bolts 5 fix an object to be welded on the welding frame body 4 through a rotating nut 82; the support includes left socle 2 and right branch frame 3, sets up respectively the both sides of weld holder body 4, weld holder body 4 with the support passes through axis of rotation 8 to be connected, weld holder body 4 can wind the fixed axle 360 rotatory.
As shown in fig. 2, the welding frame body 4 is a square frame structure, and the welding frame body 4 is formed by welding four metal frames, wherein the cross section of each metal frame is of a C-shaped structure; wherein, the top surface of the C-shaped structure is an upper side edge 41, and the bottom is a lower side edge 42; a plurality of through holes are formed in the upper side edge 41, and the adjusting bolts 5 are arranged in the through holes.
As shown in fig. 2, the adjusting bolt 5 includes: a screw 51, an adjusting nut 52, and a top cover 53; the screw rod 51 penetrates through the through hole of the upper side edge 41, the end part of the screw rod 51 facing one end of the lower side edge 42 is provided with a top sleeve 53, the other end is screwed with an adjusting nut 52, and the adjusting nut 52 is abutted against the outer side of the upper side plate; the top sleeve 53 is of a T-shaped structure, a bolt hole is formed in the top sleeve 53, and the top sleeve 53 is in threaded connection with the screw 51. The top cover 53 is made of elastic rubber.
As shown in fig. 4, the cross beam 7 is a metal rod, the cross beam 7 includes a plurality of cross beams 7, each of the cross beams 7 is disposed in parallel, the cross beams 7 are welded between the opposite lower side edges 42 of the welding frame body 4, and the intervals between the adjacent cross beams 7 are the same, wherein the intervals are the same as the diameters of the nuts 82.
As shown in fig. 5, the fixture further includes a fixing block 11, and the fixing block 11 includes: a third bolt 111 and a stopper 112; the stopper 112 is a cross-shaped block, a bolt hole is formed in the block, the third bolt 111 is inserted into the gap of the cross beam 7, and the stopper 112 is rotatably mounted on the third bolt 111. The length of the stopper 112 is 3-8cm, the height is 0.5-3cm, and the stopper 112 is made of elastic rubber.
The fixed block 11 of welding workpiece is treated to the fixed small-size of cooperation weld holder body 4 has been designed to this embodiment, and the volume of fixed block 11 is less, and the third bolt 111 of fixed block 11 passes the space between crossbeam 7 and places, and its position can slide between crossbeam 7, is convenient for find the best position of chucking accurately, and fixed block 11 can set up a plurality of in addition, and dog 112 both can inject the position of treating welding workpiece, can push up tightly again and treat welding workpiece, and nimble has played spacing effect.
The working mode is as follows:
the invention provides a positioning welding fixture, which comprises: the welding frame comprises a welding frame body 4 and an adjusting bolt 5, wherein the adjusting bolt 5 is arranged on a frame structure of the welding frame body 4, a workpiece to be welded can be placed between C-shaped metal structures of the welding frame body 4, and the workpiece clamped on the welding frame body 4 is tightly pressed by rotating a nut 82 on the adjusting bolt 5. In the adjusting process, the top sleeve 53 is tightly attached to the workpiece to be welded, the top sleeve 53 is made of elastic rubber, and traces cannot be left on the workpiece to be welded in the tight pushing process.
In addition, the welding frame body 4 is designed to be rotatable, two ends of the welding frame body 4 are arranged on the support, the support and the body are connected through a second bolt 81, and the second bolt 81 plays a role of a rotating shaft and a tightening role. Through rotatory welding jig body 4, can adjust the angle of face of weld, conveniently cooperate the welder rifle head to find best solder joint.
The invention flexibly designs various clamps comprising a fixed frame 6 and a fixed block 11, wherein the transverse and longitudinal spans of the bracket of the fixed frame 6 are larger, and the end part of the bracket is also provided with an adjusting bolt 5 so as to be convenient for tightly propping against a large-sized workpiece, particularly when the large-sized workpiece is provided with a through hole, a first bolt 61 of the fixed frame 6 can pass through a cross beam 7 and the through hole with a welding workpiece, the fixed frame 6 is rotatably connected on the first bolt 61, and then the adjusting bolt 5 on the fixed frame 6 is adjusted to tightly prop against the workpiece to be processed. By adopting the flexible clamping mode, the special fixture for the workpiece to be welded is avoided being manufactured at each time, and the production cost is saved. The volume of fixed block 11 is less, and the third bolt 111 of fixed block 11 passes the space between crossbeam 7 and places, and its position can slide between crossbeam 7, is convenient for find the best position of chucking, and fixed block 11 can set up a plurality of in addition, and dog 112 both can inject the position of treating the welding workpiece, can push up the tight welding workpiece of treating again, and nimble spacing effect has been played.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A tack welding fixture, comprising:
the welding frame is used for fixing an object to be welded;
the welding frame comprises a frame and a welding head, wherein the frame comprises a base and a support, the support is arranged on the base, and the welding frame is fixed on the support;
the welding frame comprises a welding frame body, a clamp and a cross beam, wherein the clamp is an adjusting bolt, the adjusting bolts comprise a plurality of adjusting bolts, the adjusting bolts are distributed around the welding frame body, and the adjusting bolts fix an object to be welded on the welding frame body through rotating nuts; the welding frame comprises a welding frame body and a welding frame body, wherein the welding frame body is connected with the support through a rotating shaft, the welding frame body can rotate 360 degrees around a fixed shaft, the welding frame body is of a square frame structure, the welding frame body is formed by welding four metal frames, and the cross section of each metal frame is of a C-shaped structure; the top surface of the C-shaped structure is an upper side edge, and the bottom of the C-shaped structure is a lower side edge; set up a plurality of through-holes in going up the side, set up in the through-hole adjusting bolt, adjusting bolt includes: the screw rod, the adjusting nut and the top sleeve; the screw rod penetrates through the through hole in the upper side edge, the end part of the screw rod, facing one end of the lower side edge, is provided with a top sleeve, the other end of the screw rod is screwed with an adjusting nut, and the adjusting nut abuts against the outer side of the upper side edge; the top sleeve is of a T-shaped structure, a bolt hole is formed in the top sleeve, the top sleeve is in threaded connection with the screw, and the top sleeve is made of elastic rubber; the crossbeam is the metal shaft-like thing of last open-hole, the crossbeam includes a plurality of roots, every crossbeam parallel arrangement, the crossbeam welding is in between the relative downside limit on the welding frame body, every the interval of crossbeam is the same, anchor clamps still include the mount, the mount is installed in the through-hole of crossbeam, the mount includes: the first bolt, the support rod and the adjusting bolt; the first bolt is inserted into the through hole of the cross beam, the supporting rod is a cross-shaped metal rod, bolt holes are formed in four end portions of the supporting rod, a bolt hole is also formed in the center of the supporting rod, and the supporting rod is connected to the first bolt through the bolt hole in the center; set up adjusting bolt in the bolt hole of branch tip, perhaps the crossbeam is metal shaft-like thing, the crossbeam includes a plurality of roots, every crossbeam parallel arrangement, the crossbeam welding is in between the relative downside limit on the welding jig body, the interval between the adjacent crossbeam is the same, the interval is the same with the diameter of third nut, anchor clamps still include the fixed block, the fixed block includes: a third bolt and a stop block; the stop block is a cross-shaped block, a bolt hole is formed in the block, the third bolt is inserted into the gap of the cross beam, and the stop block is rotatably arranged on the third bolt.
2. A tack welding fixture, as recited in claim 1, wherein: the length of the stop block is 3-8cm, and the height of the stop block is 0.5-3 cm.
3. A tack welding fixture, as recited in claim 2, wherein: the stop block is made of elastic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842673.4A CN110524177B (en) | 2019-09-06 | 2019-09-06 | Positioning welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842673.4A CN110524177B (en) | 2019-09-06 | 2019-09-06 | Positioning welding fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110524177A CN110524177A (en) | 2019-12-03 |
| CN110524177B true CN110524177B (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910842673.4A Active CN110524177B (en) | 2019-09-06 | 2019-09-06 | Positioning welding fixture |
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| CN (1) | CN110524177B (en) |
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| CN109249239A (en) * | 2018-11-21 | 2019-01-22 | 芜湖市元山机械制造有限公司 | A kind of processing unit (plant) for automobile chassis |
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| CN208592542U (en) * | 2018-07-20 | 2019-03-12 | 辽宁机电职业技术学院 | A kind of welding fixture of turnable adjusting |
| CN208758892U (en) * | 2018-09-07 | 2019-04-19 | 常州伟泰科技股份有限公司 | A kind of trolley base frame welding positioning tool |
| CN208961266U (en) * | 2018-07-31 | 2019-06-11 | 上海尧哲工程技术有限公司 | A kind of high-end equipment manufacturing jig for laser cutting |
| CN208992042U (en) * | 2018-09-03 | 2019-06-18 | 昆明理工大学 | A kind of frock clamp of welding standard sample |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202539884U (en) * | 2012-02-23 | 2012-11-21 | 龙口丛林中德车体系统工程有限公司 | Car body side wall overturning welding tool |
| CN205438295U (en) * | 2015-12-29 | 2016-08-10 | 厦门思尔特机器人系统股份公司 | Cell type integrated positioning anchor clamps with adjustable |
| CN107234564A (en) * | 2017-07-18 | 2017-10-10 | 合肥余塝电子商务有限公司 | A kind of synthetic wood plate device for positioning and securing |
| CN107214468A (en) * | 2017-08-01 | 2017-09-29 | 芜湖精达机械制造有限公司 | A kind of flange welding protector |
| CN207139176U (en) * | 2017-09-21 | 2018-03-27 | 张家港凯航通力船用设备有限公司 | A kind of steel-structure box girder reversely deformed jig frame |
| CN208592542U (en) * | 2018-07-20 | 2019-03-12 | 辽宁机电职业技术学院 | A kind of welding fixture of turnable adjusting |
| CN208451453U (en) * | 2018-07-26 | 2019-02-01 | 宁波博和机械制造有限公司 | A kind of positioning tool based on when mold is processed |
| CN208961266U (en) * | 2018-07-31 | 2019-06-11 | 上海尧哲工程技术有限公司 | A kind of high-end equipment manufacturing jig for laser cutting |
| CN208992042U (en) * | 2018-09-03 | 2019-06-18 | 昆明理工大学 | A kind of frock clamp of welding standard sample |
| CN208758892U (en) * | 2018-09-07 | 2019-04-19 | 常州伟泰科技股份有限公司 | A kind of trolley base frame welding positioning tool |
| CN109249239A (en) * | 2018-11-21 | 2019-01-22 | 芜湖市元山机械制造有限公司 | A kind of processing unit (plant) for automobile chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110524177A (en) | 2019-12-03 |
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