CN221087571U - Welding fixture for spine reference clamping and fixing rod instrument - Google Patents
Welding fixture for spine reference clamping and fixing rod instrument Download PDFInfo
- Publication number
- CN221087571U CN221087571U CN202322500126.2U CN202322500126U CN221087571U CN 221087571 U CN221087571 U CN 221087571U CN 202322500126 U CN202322500126 U CN 202322500126U CN 221087571 U CN221087571 U CN 221087571U
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- base
- positioning groove
- clamping
- fixing
- fixing rod
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- 238000003466 welding Methods 0.000 title claims abstract description 51
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 239000003381 stabilizer Substances 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of spinal positioners or stabilizers, in particular to a welding fixture of a spinal reference clamping and fixing rod instrument, which comprises a fixing part, a rod part and a hook part, wherein the rod part is used for connecting the fixing part and the hook part, the welding fixture comprises a base, a compression block and a connecting handle, a first positioning groove capable of accommodating the hook part is formed in the base, a clamping shaft matched with a chuck is further arranged on the base, a second positioning groove capable of accommodating the fixing part is formed in the compression block, the connecting handle is used for connecting the base and the compression block, the base comprises a base plate and a positioning seat, the first positioning groove is arranged on the positioning seat, and the clamping shaft is fixedly arranged on the base plate. The welding fixture clamps and fixes the hook part and the fixing part of the part through the base and the compression block respectively, then fixes the clamping shaft in the three-jaw chuck, and drives the fixture to rotate by utilizing the chuck so as to weld the part.
Description
Technical Field
The utility model relates to the technical field of spinal positioners or stabilizers, in particular to a welding fixture of a spinal reference clamping and fixing rod instrument.
Background
With the development of internal fixation instruments in the posterior of the spine and the need to preserve the spinal motion phase, spinal surgeons increasingly adopt selective posterior segmental fusion surgical strategies, and the occurrence of proximal juncture posterior process and proximal juncture failure attracts much attention from many students in the post-operative fusion phase while achieving good clinical efficacy.
The purpose of backbone reference fixing device is to provide the rigidity between patient and the patient's reference frame during the operation, and centre gripping connective bar apparatus designs argon arc welding jig, because the relative position requirement is higher between the part, and the shaft diameter is thin, if direct unsettled welding just does not have the pressure equipment of location, and the deflection exceeds the drawing requirement after the part welding, and welding efficiency is lower, still can cause the part to scrap, and in addition centre gripping connective bar apparatus has two sections of length and weak point part, and argon arc welding jig needs to satisfy two sections part argon arc welding simultaneously.
Disclosure of utility model
In order to solve the problem of low welding efficiency caused by the lack of a specific welding fixture at present, the utility model provides the welding fixture of the spine reference clamping fixing rod instrument, and the welding fixture not only can realize the positioning of the head end and the tail end of a part, but also can ensure the welding coaxiality of the part to ensure the welding effect through the matching of a welding base, a welding compression block and a clamping shaft.
The utility model provides a welding fixture of a spine reference clamping and fixing rod instrument, which comprises a fixing part, a rod part and a hook part, wherein the rod part is used for connecting the fixing part and the hook part, the welding fixture comprises a base, a compression block and a connecting handle, a positioning groove I capable of accommodating the hook part is arranged on the base, a clamping shaft matched with a chuck is also arranged on the base, a positioning groove II capable of accommodating the fixing part is arranged on the compression block, and the connecting handle is used for connecting the base and the compression block. The head end and the tail end of the part are clamped and fixed through the base and the compression block, and then the clamping shaft is fixed in the three-jaw chuck, and the chuck is utilized to drive rotation for welding.
Further, the base comprises a bottom plate and a positioning seat, the first positioning groove is arranged on the positioning seat, and the clamping shaft is fixedly arranged on the bottom plate. The positioning seat is used for clamping and fixing the parts, and the bottom plate is used for installing the clamping shaft.
Further, the first positioning groove and the second positioning groove are both open grooves, the open end of the first positioning groove is further provided with a pressing plate, one end of the pressing plate is fixedly arranged on the bottom plate through a bolt, and the other end of the pressing plate abuts against a hook part in the first positioning groove. The hook part is stably arranged in the first positioning groove through the arrangement of the pressing plate.
Further, a cushion block is further arranged on the side wall of the first positioning groove, the cushion block penetrates through the positioning seat, and the hook part is arranged between the cushion block and the pressing plate. Through the setting of cushion, effectively fix the hook.
Further, the positioning groove is divided into a first station for fixing long parts and a second station for fixing short parts, and the fixing part is fixedly arranged in the second positioning groove through bolts. The compression of the long and short specification parts is adapted through double stations.
Further, the connecting handle is a bent handle, two ends of the connecting handle are connected with the base and the compression block through bolts, and key grooves capable of containing the connecting handle are formed in the bottoms of the base and the compression block. Through the cooperation of keyway and bolt, realize the stable installation of connective handle.
Further, a locating pin and a bolt for fixing are arranged between the bottom plate and the locating seat, and the connecting handle is fixedly connected with the bottom plate through the bolt. Positioning is performed through the positioning pin, and then locking is performed through the bolt.
Further, the bottom plate is provided with a mounting groove capable of accommodating the clamping shaft, and the clamping shaft is fixedly arranged in the mounting groove through bolts. Through the cooperation of mounting groove and bolt, realize the stable installation of centre gripping axle.
The utility model has the beneficial effects that:
The utility model provides a welding fixture of a spine reference clamping and fixing rod instrument, which is characterized in that a base and a compression block are used for respectively clamping and fixing a hook part and a fixing part of a part, a clamping shaft is fixed in a three-jaw chuck, the chuck is used for driving the clamp to rotate so as to weld the part, the stable clamping of the part is ensured, and the coaxiality of the part during welding is ensured, so that the welding efficiency is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is an upper schematic view of a welding fixture;
FIG. 2 is a bottom schematic view of a welding fixture;
FIG. 3 is a first angular exploded view of a welding fixture;
FIG. 4 is a second angular exploded view of the welding fixture;
FIG. 5 is a schematic view of a part of both the long and short versions;
FIG. 6 is a schematic illustration of the clamping of a part;
In the drawing, 1, a base, 11, a positioning groove I, 12, a bottom plate, 13, a positioning seat, 14, a mounting groove, 2, a clamping shaft, 3, a compression block, 31, a positioning groove II, 311, a station I, 312, a station II, 32, a key groove, 4, a connecting handle, 5, a pressing plate, 6, a cushion block, 7, a bolt, 8, a positioning pin, 9, a spine reference clamping fixing rod device, 91, a fixing part, 92, a rod part and 93, and a hook part.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
As shown in fig. 5, the spinal reference clamp fixation rod apparatus 9 includes a fixation portion 91, a stem portion 92, and a hook portion 93, the stem portion 92 being used to connect the fixation portion 91 and the hook portion 93. During welding operation, the overall accuracy of the welding fixture and the shape matching degree of the part are required to be high, the coaxiality of the welding fixture and the welding position of the part is required to be maintained, and the relative distance accuracy of the tooth surface locating surface and the welding position is ensured.
In order to realize effective clamping and fixing of the spine reference clamping and fixing rod device 9, a welding fixture of the spine reference clamping and fixing rod device is designed, and as shown in fig. 1 and 2, the welding fixture comprises a base 1, a compression block 3 and a connecting handle 4, a first positioning groove 11 capable of accommodating a hook portion 93 is arranged on the base 1, a clamping shaft 2 matched with a chuck is further arranged on the base 1, a second positioning groove 31 capable of accommodating a fixing portion 91 is arranged on the compression block 3, and the connecting handle 4 is used for connecting the base 1 and the compression block 3.
The fixing part 91 of the part is arranged in the positioning groove II 31, the hook part 93 is arranged in the positioning groove I11, the base 1 and the compression block 3 are fixedly connected by the connecting handle 4, the rod part 92 can be stably arranged between the base 1 and the compression block 3, then the clamp body with the part clamped is arranged on external rotating equipment, the clamping shaft 2 on the base 1 is matched with a three-jaw chuck of the rotating equipment for clamping, the chuck drives the clamp to rotate, the part is welded, the coaxiality of the part during welding is ensured, and the welding efficiency is effectively improved.
In order to provide sufficient welding space for operators, the connecting handle 4 is arranged to be a bent handle, two ends of the connecting handle 4 are connected with the base 1 and the compression block 3 through bolts 7, and key grooves 32 capable of accommodating the connecting handle 4 are formed in the bottoms of the base 1 and the compression block 3. The bent handle is utilized to reserve sufficient welding space for operators, and the bent handle is connected through the key groove 32, so that the connection stability can be ensured, and the relative rotation of the connection surface is avoided.
As shown in fig. 3 and 4, in order to facilitate the installation and connection, the base 1 includes a bottom plate 12 and a positioning seat 13, a positioning groove one 11 is disposed on the positioning seat 13, the clamping shaft 2 is fixedly disposed on the bottom plate 12, a mounting groove 14 capable of accommodating the clamping shaft 2 is disposed on the bottom plate 12, and the clamping shaft 2 is fixedly disposed in the mounting groove 14 through a bolt 7. Through the cooperation of mounting groove 14 and bolt 7, can realize the stable installation of clamping shaft 2, avoid clamping shaft 2 to shift or deviate from.
In order to realize stable installation, a positioning pin 8 and a bolt 7 for fixing are arranged between the bottom plate 12 and the positioning seat 13, and the connecting handle 4 is fixedly connected with the bottom plate 12 through the bolt 7. The positioning pin 8 is used for fixing the relative positions of the bottom plate 12 and the positioning seat 13, and then is fastened by the bolt 7.
In order to adapt to clamping and fixing of two kinds of parts with different specifications, the positioning groove II 31 is divided into a first station 311 for fixing long parts and a second station 312 for fixing short parts, and the fixing part 91 is fixedly arranged in the positioning groove II 31 through the bolt 7. The bolt 7 passes through the hole of the part fixing portion 91 to fix it in the positioning groove two 31.
As shown in fig. 6, the first positioning groove 11 and the second positioning groove 31 are open grooves, in order to ensure stable clamping of the hook portion 93, the open end of the first positioning groove 11 is further provided with a pressing plate 5, one end of the pressing plate 5 is fixedly arranged on the bottom plate 12 through the bolt 7, and the other end of the pressing plate 5 abuts against the hook portion 93 in the first positioning groove 11. After the hook 93 is placed in the second positioning groove 31, the pressing plate 5 is abutted against the periphery of the hook 93, so that the hook 93 is fixed.
In order to further ensure stable clamping of the hook 93, a cushion block 6 is further arranged on the side wall of the first positioning groove 11, the cushion block 6 penetrates through the positioning seat 13, and the hook 93 is arranged between the cushion block 6 and the pressing plate 5. The hook 93 may be stably restrained between the pad 6 and the pressing plate 5 to secure welding stability.
The above description is illustrative of the utility model and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, changes or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The utility model provides a welding jig of spine reference centre gripping dead bar apparatus, spine reference centre gripping dead bar apparatus (9) include fixed part (91), pole portion (92) and hook (93), pole portion (92) are used for connecting fixed part (91) and hook (93), its characterized in that: the welding fixture comprises
The base (1), the base (1) is provided with a first positioning groove (11) which can accommodate the hook part (93), the base (1) is also provided with a clamping shaft (2) which is matched with the chuck,
A compression block (3), a positioning groove II (31) capable of accommodating the fixing part (91) is arranged on the compression block (3), and
The connecting handle (4), connecting handle (4) are used for connecting base (1) and compact heap (3).
2. The welding jig of a spinal reference clamping and fixing rod instrument of claim 1, wherein: the base (1) comprises a bottom plate (12) and a positioning seat (13), the first positioning groove (11) is arranged on the positioning seat (13), and the clamping shaft (2) is fixedly arranged on the bottom plate (12).
3. A welding jig for a spinal reference clamping and fixing rod instrument as claimed in claim 2, wherein: the positioning groove I (11) and the positioning groove II (31) are both open grooves, a pressing plate (5) is further arranged at the open end of the positioning groove I (11), one end of the pressing plate (5) is fixedly arranged on the bottom plate (12) through a bolt (7), and the other end of the pressing plate (5) abuts against the hook part (93) in the positioning groove I (11).
4. A welding jig for a spinal reference clamping and fixing rod instrument as claimed in claim 3, wherein: and a cushion block (6) is further arranged on the side wall of the first positioning groove (11), the cushion block (6) penetrates through the positioning seat (13), and the hook part (93) is arranged between the cushion block (6) and the pressing plate (5).
5. The welding jig of a spinal reference clamping and fixing rod instrument of claim 1, wherein: the positioning groove II (31) is divided into a first station (311) for fixing long parts and a second station (312) for fixing short parts, and the fixing part (91) is fixedly arranged in the positioning groove II (31) through a bolt (7).
6. A welding jig for a spinal reference clamping and fixing rod instrument as claimed in claim 2, wherein: the connecting handle (4) is a bent handle, two ends of the connecting handle (4) are connected with the base (1) and the compression block (3) through bolts (7), and key grooves (32) capable of accommodating the connecting handle (4) are formed in the bottoms of the base (1) and the compression block (3).
7. The welding jig of a spinal reference clamping and fixing rod instrument of claim 6, wherein: a locating pin (8) and a bolt (7) for fixing are arranged between the bottom plate (12) and the locating seat (13), and the connecting handle (4) is fixedly connected with the bottom plate (12) through the bolt (7).
8. A welding jig for a spinal reference clamping and fixing rod instrument as claimed in claim 2, wherein: the base plate (12) is provided with a mounting groove (14) capable of accommodating the clamping shaft (2), and the clamping shaft (2) is fixedly arranged in the mounting groove (14) through a bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322500126.2U CN221087571U (en) | 2023-09-14 | 2023-09-14 | Welding fixture for spine reference clamping and fixing rod instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322500126.2U CN221087571U (en) | 2023-09-14 | 2023-09-14 | Welding fixture for spine reference clamping and fixing rod instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221087571U true CN221087571U (en) | 2024-06-07 |
Family
ID=91307356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322500126.2U Active CN221087571U (en) | 2023-09-14 | 2023-09-14 | Welding fixture for spine reference clamping and fixing rod instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221087571U (en) |
-
2023
- 2023-09-14 CN CN202322500126.2U patent/CN221087571U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |