CN220761276U - Overturning clamp for machining T-shaped tee joint external threads - Google Patents
Overturning clamp for machining T-shaped tee joint external threads Download PDFInfo
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- CN220761276U CN220761276U CN202322606829.3U CN202322606829U CN220761276U CN 220761276 U CN220761276 U CN 220761276U CN 202322606829 U CN202322606829 U CN 202322606829U CN 220761276 U CN220761276 U CN 220761276U
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- clamping seat
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- movable clamping
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- 238000003754 machining Methods 0.000 title claims description 15
- 230000007306 turnover Effects 0.000 claims abstract description 34
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000017105 transposition Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model relates to a turnover fixture for processing external threads of T-shaped tee joints, which comprises a bottom plate, wherein longitudinal supporting arms are fixed on two sides of the front end surface of the bottom plate, a turnover clamping seat is inserted between the supporting arms, the turnover clamping seat comprises a rectangular fixed clamping seat, a fixed clamping groove with a semicircular section is formed in the middle of the lower end surface of the fixed clamping seat, the lower end surfaces of the clamping seats on two sides of the fixed clamping groove are abutted against left and right opposite movable clamping seats and are formed with a plurality of transverse dovetail grooves, a plurality of dovetail guide rail strips are formed on the upper end surface of the movable clamping seat, and the guide rail strips are respectively inserted into the dovetail grooves of the fixed clamping seat; the movable clamping seat is characterized in that movable clamping grooves with circular arc-shaped sections are formed in the opposite end faces of the movable clamping seat, and a semicircular movable clamping opening which is communicated with the movable clamping grooves is formed in the lower end face of the movable clamping seat. The turning clamp can realize turning and transposition of two ends of a tee joint clamped, and is convenient for the same lathe to rapidly realize processing of external threads at the end part of the tee joint.
Description
Technical field:
the utility model relates to the technical field of tee joint machining jigs, in particular to a turnover jig for machining external threads of tee joints.
The background technology is as follows:
tee joints are also called tee joints or tee joints. The device is mainly used for changing the direction of fluid and is used for a main pipeline to be branched. The existing tee joint is Y-shaped, T-shaped and the like, a stainless steel T-shaped tee joint is available in the market at present, one end of the tee joint is provided with an internal thread joint, and the other two ends of the tee joint are both provided with external thread joints, so that turning or tapping forming is required to be carried out on external threads at two ends of the tee joint during machining (the external threads on the existing conventional T-shaped tee joint are usually formed by turning), the tee joint is required to be clamped on a fixture of a lathe during turning, and after the external threads at one end of the tee joint are machined, the tee joint is clamped in different fixtures of another lathe to machine the external threads at the other end of the tee joint, two lathes are required to be matched for machining, or the fixtures are required to be replaced in the same lathe, and the tee joint is repeatedly installed and disassembled, so that the machining efficiency is low; furthermore, in the same lathe, a clamp capable of replacing is designed, so that the replacement processing of two ends of the tee joint is realized, the clamp does not need to be replaced, meanwhile, the time for installing and detaching the tee joint can be saved, the same lathe can be used for processing external threads at two ends of the tee joint, and meanwhile, the processing efficiency is not influenced.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art, and provides a turnover fixture for machining external threads of a T-shaped tee joint interface, which can realize turnover transposition of two ends of a clamped tee joint and is convenient for the same lathe to quickly machine the external threads at the end part of the tee joint.
The turnover fixture comprises a bottom plate, wherein longitudinal supporting arms are fixed on two sides of the front end surface of the bottom plate, a turnover clamping seat is inserted between the supporting arms, the turnover clamping seat comprises a rectangular fixed clamping seat, a fixed clamping groove with a semicircular section is formed in the middle of the lower end surface of the fixed clamping seat, movable clamping seats which are opposite left and right are abutted to the lower end surface of the clamping seat on two sides of the fixed clamping groove, a plurality of transverse dovetail grooves are formed in the lower end surface of the clamping seat, a plurality of dovetail-shaped guide rail strips are formed on the upper end surface of the movable clamping seat, and the guide rail strips are respectively inserted in the dovetail grooves of the fixed clamping seat; the movable clamping seat is provided with a movable clamping groove with a circular arc-shaped cross section, and the lower end surface of the movable clamping seat is provided with a semicircular movable clamping opening communicated with the movable clamping groove; a fixed clamping groove on the fixed clamping seat and a movable clamping groove on the movable clamping seat are surrounded and formed with a longitudinal circular clamping groove, and a movable clamping opening on the movable clamping seat is surrounded and formed with a vertical circular clamping hole;
the two side walls of the fixed clamping seat are provided with fixed half shafts with semicircular sections, the two side walls of the movable clamping seat are provided with movable half shafts which are semicircular in section and opposite to the fixed half shafts, the movable half shafts and the fixed half shafts are mutually abutted together and spliced to form transverse round shafts, and the round shafts at the two sides of the turnover clamping seat are respectively spliced on the supporting arms; the fixed half shafts on two sides of the fixed clamping seat extend out of the supporting arms and are connected with vertical limiting bolts in a screwed mode, and the heads of the limiting bolts are abutted against the side end faces of the movable half shafts;
the upper end face of the fixed clamping seat is provided with a turnover lug seat, and the upper end of the turnover lug seat is inserted with a positioning shaft of a transverse line; the upper end face of the supporting arm is provided with a circular arc-shaped positioning arm, the positioning arm is provided with a circular arc-shaped guide groove, two ends of the positioning shaft penetrate through the guide groove of the positioning arm and are in threaded connection with positioning nuts, and the positioning nuts are respectively pressed against the side wall of the positioning arm.
Preferably, a spacer bush is inserted on the fixed half shaft and the movable half shaft at two sides of the fixed clamping seat, and two end surfaces of the spacer bush respectively lean against the side walls of the movable clamping seat and the supporting arm;
the width of the movable clamping seat is smaller than half of the width of the fixed clamping seat, and the distance between the side wall of the movable clamping seat, which is close to one side of the supporting arm, and the side wall of the fixed clamping seat is larger than the radius of the inner wall of the fixed clamping groove on the fixed clamping seat.
Preferably, the fixed half shaft of the fixed clamping seat is provided with a step hole in a forming mode, the limit bolt is in threaded connection with the step hole of the fixed half shaft, the limit bolt is an inner hexagon bolt, the step hole is composed of a threaded hole in the upper portion and a counter bore in the lower portion, and the depth and the diameter of the counter bore in the step hole are respectively larger than the length and the diameter of the head of the limit bolt.
Preferably, the central axis of the fixed half shaft is coincident with the central axis of the fixed half shaft, and the circle center of the circular arc of the positioning arm and the circle center of the circular arc of the guide groove are both positioned on the central axis of the fixed half shaft.
Preferably, a connecting arm is formed between the front end of the supporting arm and the front end of the positioning arm, the arc radian of a guide groove on the positioning arm is equal to 1/2 pi, and the groove width of the guide groove is equal to the diameter of the positioning shaft.
Preferably, circular positioning concave holes are formed in the outer side walls of the positioning arms at two ends of the guide groove, the positioning nuts are round nuts, and the positioning nuts are inserted into the positioning concave holes of the positioning arms.
Preferably, the bottom plate is provided with a plurality of mounting holes.
The utility model has the beneficial effects that:
the turning clamp can realize turning and transposition of two ends of a tee joint clamped, and is convenient for the same lathe to rapidly realize processing of external threads at the end part of the tee joint.
Description of the drawings:
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of the front view of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
fig. 4 is a schematic perspective view of a small-sized transfer holder according to the present utility model.
In the figure: 1. a bottom plate; 11. a mounting hole; 2. a support arm; 21. a positioning arm; 22. a guide groove; 23. a connecting arm; 24. positioning concave holes; 3. a fixed clamping seat; 31. overturning the ear seat; 32. a fixed clamping groove; 33. a dovetail groove; 34. a half shaft is fixed; 35. a step hole; 4. positioning a shaft; 5. positioning a nut; 6. a movable clamping seat; 61. a movable clamping groove; 62. a movable clamping opening; 63. a dynamic half shaft; 64. a guide rail; 7. a spacer bush; 8. a limit bolt; 9. and (5) a tee joint.
The specific embodiment is as follows:
examples: referring to fig. 1 to 4, a turnover fixture for processing external threads of a T-shaped three-way joint comprises a bottom plate 1, wherein two sides of the front end surface of the bottom plate 1 are fixedly provided with longitudinal supporting arms 2, a turnover clamping seat is inserted between the supporting arms 2, the turnover clamping seat comprises a rectangular fixed clamping seat 3, a fixed clamping groove 32 with a semicircular section is formed in the middle of the lower end surface of the fixed clamping seat 3, the lower end surfaces of the clamping seats 3 on two sides of the fixed clamping groove 32 are abutted against left and right opposite movable clamping seats 6 and are formed with a plurality of transverse dovetail grooves 33, the upper end surface of the movable clamping seat 6 is formed with a plurality of dovetail guide rail strips 64, and the guide rail strips 64 are respectively inserted into the dovetail grooves 33 of the fixed clamping seat 3; a movable clamping groove 61 with a circular arc-shaped section is formed on the opposite end surfaces of the movable clamping seat 6, and a semicircular movable clamping opening 62 communicated with the movable clamping groove 61 is formed on the lower end surface of the movable clamping seat 6; the fixed clamping groove 32 on the fixed clamping seat 3 and the movable clamping groove 61 on the movable clamping seat 6 are surrounded and formed with longitudinal circular clamping grooves, and the movable clamping opening 62 on the movable clamping seat 6 is surrounded and formed with vertical circular clamping holes;
the two side walls of the fixed clamping seat 3 are provided with fixed half shafts 34 with semicircular sections, the two side walls of the movable clamping seat 6 are provided with movable half shafts 63 which are semicircular in section and opposite to the fixed half shafts 34, the movable half shafts 63 and the fixed half shafts 34 are mutually abutted together to splice and form transverse circular shafts, and the circular shafts on the two sides of the turnover clamping seat are respectively spliced on the support arms 2; the fixed half shafts 34 on two sides of the fixed clamping seat 3 extend out of the supporting arm 2 and are connected with vertical limit bolts 8 in a screwed mode, and the heads of the limit bolts 8 are abutted against the side end faces of the movable half shafts 63;
the upper end face of the fixed clamping seat 3 is provided with a turnover lug seat 31, and the upper end of the turnover lug seat 31 is inserted with a positioning shaft 4 of a transverse line; the upper end face of the supporting arm 2 is provided with a circular arc-shaped positioning arm 21, the positioning arm 21 is provided with a circular arc-shaped guide groove 22, two ends of the positioning shaft 4 penetrate through the guide groove 22 of the positioning arm 21 and are in threaded connection with positioning nuts 5, and the positioning nuts 5 are respectively pressed against the side walls of the positioning arm 21.
The fixed half shaft 34 and the movable half shaft 63 on two sides of the fixed clamping seat 3 are inserted with a spacer 7, and two end surfaces of the spacer 7 respectively lean against the side walls of the movable clamping seat 6 and the supporting arm 2;
the width of the movable clamping seat 6 is smaller than half of the width of the fixed clamping seat 3, and the distance between the side wall of the movable clamping seat 6, which is close to one side of the supporting arm 2, and the side wall of the fixed clamping seat 3 is larger than the radius of the inner wall of the fixed clamping groove 32 on the fixed clamping seat 3.
The fixed half shaft 34 of the fixed clamping seat 3 is provided with a step hole 35, the limit bolt 8 is in screwed connection with the step hole 35 of the fixed half shaft 34, the limit bolt 8 is a hexagon socket head cap bolt, the step hole 35 is composed of a threaded hole at the upper part and a counter bore at the lower part, and the depth and the diameter of the counter bore on the step hole 35 are respectively larger than the length and the diameter of the head part of the limit bolt 8.
The central axis of the fixed half shaft 34 is coincident with the central axis of the fixed half shaft 34, and the circle center of the circular arc of the positioning arm 21 and the circle center of the circular arc of the guide groove 22 are both positioned on the central axis of the fixed half shaft 34.
A connecting arm 23 is formed between the front end of the supporting arm 2 and the front end of the positioning arm 21, the arc radian of the guide groove 22 on the positioning arm 21 is equal to 1/2 pi, and the groove width of the guide groove 22 is equal to the diameter of the positioning shaft 4.
Circular positioning concave holes 24 are formed in the outer side walls of the positioning arms 21 at the two ends of the guide groove 22, the positioning nuts 5 are round nuts, and the positioning nuts 5 are inserted into the positioning concave holes 24 of the positioning arms 21.
The bottom plate 1 is provided with a plurality of mounting holes 11.
Working principle: the utility model relates to a turnover fixture for processing external threads of T-shaped tee joints, the structure of the turnover fixture is shown in figure 1, a tee joint 9 is clamped on the turnover fixture of figure 1, a bottom plate 1 of the turnover fixture is fixedly connected with a rotating main shaft on a lathe head, the turnover fixture rotates along with the rotating main shaft of the lathe, and then a turning tool can turn external threads on a joint at the front end of the tee joint 9 on the turnover fixture;
when turning of one end is completed, the turning tool is reset, then the positioning nut 5 is loosened, then the fixed clamping seat 3 is driven to rotate backwards around the fixed half shaft 34, the joint at the lower end of the tee joint 9 is moved to the front end of the tee joint 9, and transposition is achieved; then, the joint of the tee joint 9 is machined, the limit bolts 8 are removed, the two movable clamping seats 6 are moved away, then the tee joint 9 can be removed, and a new tee joint 9 is replaced for machining.
The examples are presented to illustrate the utility model and are not intended to limit the utility model. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore set forth in the appended claims.
Claims (7)
1. The utility model provides a upset anchor clamps of processing T type tee bend interface external screw thread, includes bottom plate (1), and the both sides of terminal surface are fixed with longitudinal support arm (2) before bottom plate (1), insert between support arm (2) and be equipped with upset holder, its characterized in that: the turnover clamping seat comprises a rectangular fixed clamping seat (3), a fixed clamping groove (32) with a semicircular section is formed in the middle of the lower end surface of the fixed clamping seat (3), the lower end surfaces of the clamping seats (3) at two sides of the fixed clamping groove (32) are abutted against left and right opposite movable clamping seats (6) and are formed with a plurality of transverse dovetail grooves (33), a plurality of dovetail-shaped guide rail strips (64) are formed on the upper end surface of the movable clamping seat (6), and the guide rail strips (64) are respectively inserted into the dovetail grooves (33) of the fixed clamping seat (3); a movable clamping groove (61) with a circular arc-shaped section is formed on the opposite end surfaces of the movable clamping seat (6), and a semicircular movable clamping opening (62) communicated with the movable clamping groove (61) is formed on the lower end surface of the movable clamping seat (6); a fixed clamping groove (32) on the fixed clamping seat (3) and a movable clamping groove (61) on the movable clamping seat (6) are surrounded and formed with longitudinal circular clamping grooves, and a movable clamping opening (62) on the movable clamping seat (6) is surrounded and formed with vertical circular clamping holes;
fixed half shafts (34) with semicircular sections are formed on two side walls of the fixed clamping seat (3), movable half shafts (63) which are semicircular in section and opposite to the fixed half shafts (34) are formed on two side walls of the movable clamping seat (6), the movable half shafts (63) and the fixed half shafts (34) are mutually abutted together to splice and form transverse circular shafts, and the circular shafts on two sides of the turnover clamping seat are respectively spliced on the supporting arms (2); the fixed half shafts (34) on two sides of the fixed clamping seat (3) extend out of the supporting arm (2) and are connected with vertical limiting bolts (8) in a screwed mode, and the heads of the limiting bolts (8) are abutted against the side end faces of the movable half shafts (63);
the upper end face of the fixed clamping seat (3) is provided with a turnover lug seat (31), and the upper end of the turnover lug seat (31) is inserted with a positioning shaft (4) of a transverse line; the upper end face of the supporting arm (2) is provided with a circular arc-shaped positioning arm (21), the positioning arm (21) is provided with a circular arc-shaped guide groove (22), two ends of the positioning shaft (4) penetrate through the guide groove (22) of the positioning arm (21) and are in threaded connection with positioning nuts (5), and the positioning nuts (5) are respectively pressed against the side walls of the positioning arm (21).
2. The turnover fixture for machining external threads of T-shaped tee joint connectors according to claim 1, wherein: a spacer bush (7) is inserted on the fixed half shaft (34) and the movable half shaft (63) at two sides of the fixed clamping seat (3), and two end surfaces of the spacer bush (7) respectively lean against the side walls of the movable clamping seat (6) and the supporting arm (2);
the width of the movable clamping seat (6) is smaller than half of the width of the fixed clamping seat (3), and the distance between the side wall of the movable clamping seat (6) close to one side of the supporting arm (2) and the side wall of the fixed clamping seat (3) is larger than the radius of the inner wall of the fixed clamping groove (32) on the fixed clamping seat (3).
3. The turnover fixture for machining external threads of T-shaped tee joint connectors according to claim 2, wherein: the fixed half shaft (34) of the fixed clamping seat (3) is provided with a step hole (35), the limit bolt (8) is in threaded connection with the step hole (35) of the fixed half shaft (34), the limit bolt (8) is an inner hexagon bolt, the step hole (35) is composed of a threaded hole at the upper part and a counter bore at the lower part, and the depth and the diameter of the counter bore on the step hole (35) are respectively larger than the length and the diameter of the head part of the limit bolt (8).
4. The turnover fixture for machining external threads of T-shaped tee joint connectors according to claim 1, wherein: the central axis of the fixed half shaft (34) is coincident with the central axis of the fixed half shaft (34), and the circle center of the circular arc of the positioning arm (21) and the circle center of the circular arc of the guide groove (22) are both positioned on the central axis of the fixed half shaft (34).
5. The turnover fixture for machining external threads of T-shaped tee joint according to claim 4, wherein: a connecting arm (23) is formed between the front end of the supporting arm (2) and the front end of the positioning arm (21), the arc radian of a guide groove (22) on the positioning arm (21) is equal to 1/2 pi, and the groove width of the guide groove (22) is equal to the diameter of the positioning shaft (4).
6. The turnover fixture for machining external threads of T-shaped tee joint according to claim 5, wherein: circular positioning concave holes (24) are formed in the outer side walls of the positioning arms (21) at the two ends of the guide groove (22), the positioning nuts (5) are round nuts, and the positioning nuts (5) are inserted into the positioning concave holes (24) of the positioning arms (21).
7. The turnover fixture for machining external threads of T-shaped tee joint connectors according to claim 1, wherein: a plurality of mounting holes (11) are formed in the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322606829.3U CN220761276U (en) | 2023-09-26 | 2023-09-26 | Overturning clamp for machining T-shaped tee joint external threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322606829.3U CN220761276U (en) | 2023-09-26 | 2023-09-26 | Overturning clamp for machining T-shaped tee joint external threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220761276U true CN220761276U (en) | 2024-04-12 |
Family
ID=90603758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322606829.3U Active CN220761276U (en) | 2023-09-26 | 2023-09-26 | Overturning clamp for machining T-shaped tee joint external threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220761276U (en) |
-
2023
- 2023-09-26 CN CN202322606829.3U patent/CN220761276U/en active Active
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