CN113323951A

CN113323951A - Special tool of V type clamp

Info

Publication number: CN113323951A
Application number: CN202110735385.6A
Authority: CN
Inventors: 谌洪柱
Original assignee: Suzhou Youpinsi Automation Technology Co ltd
Current assignee: Suzhou Youpinsi Automation Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-08-31

Abstract

The invention discloses a special fixture for a V-shaped clamp, which comprises: a limiting sheet and an inner core; the limiting piece is arc-shaped, the outer side wall of the limiting piece is provided with a limiting block and two clamping blocks, the limiting block is positioned between the two clamping blocks, the inner core is annular, the outer peripheral wall of the inner core is provided with three lugs, and the lugs are spaced along the circumferential direction of the inner core; this tool is through the combination cooperation between spacing piece and the inner core, spacing piece of rethread and hoop tile's spacing cooperation finally can make this tool can support at V type clamp inboard comparatively perfectly, so that carry out the steel band of V type clamp and the welding of hoop tile, again because spacing piece and inner core are all movable, consequently after the welding is accomplished, can remove the inner core respectively and spacing piece in order to take out the tool, finally can comparatively perfect preserve the welding state of V type clamp, effectively improve the finished product quality of V type clamp.

Description

Special tool of V type clamp

Technical Field

The invention relates to the technical field of V-shaped clamps, in particular to a special fixture for a V-shaped clamp.

Background

In the industrial field, the clamp is a fastener with extremely wide application, can meet different professional uses, and the leakproofness is strong, has multiple material to select, and the welding adopts projection welding mode to make the structure superstrong, and its wide application is in the connection between the tubulose. One of the two flanges is a V-shaped hoop, when the two flanges are mutually attached, the V-shaped hoop is sleeved, then the bolt is screwed, the circumferential force acts on the inclined plane, the circumferential force component force in the direction of the inclined plane compresses the two flanges, and the flanges on the two sides can be tightly attached together through the fastening mode, so that the locking effect is achieved.

V type clamp includes the steel band and hoops the tile, and in the course of working, hoop tile need with the steel band welding, in order to prevent that V type clamp from warping, guarantees welding quality, need use special tool, this application produces from this.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide a special fixture for a V-shaped clamp.

The technical scheme of the invention is as follows: the utility model provides a special tool of V type clamp, V type clamp includes steel band and hoop tile, the steel band is for having open-ended C type, the one end of steel band is equipped with the bolt, and the other end is equipped with the nut, the bolt with the nut links to each other, the inboard welding of steel band has curved hoop tile, the cross sectional shape of hoop tile is the V type, hoop tile is three, three the hoop tile is followed the circumference interval of steel band is arranged in order to inject three first interval groove, one of them first interval groove with the opening of steel band is relative, its characterized in that, the tool includes: a limiting sheet and an inner core;

the limiting piece is arc-shaped, a limiting block and two clamping blocks are arranged on the outer side wall of the limiting piece, the limiting block is positioned between the two clamping blocks, the inner core is annular, three lugs are arranged on the outer peripheral wall of the inner core, and the lugs are spaced along the circumferential direction of the inner core;

the three limiting pieces are arranged in the hoop at intervals to limit three second spacing grooves, the three limiting pieces are positioned on the same circumference and are respectively opposite to the three first spacing grooves one by one, the limiting pieces can move along the radial direction of the circumference to be close to or far away from the corresponding first spacing grooves, any limiting piece can move to abut against the inner sides of any two adjacent hoop tiles, the limiting block on the limiting piece is inserted into the corresponding first spacing groove and hooped on the steel belt at the moment, one of two clamping blocks on the limiting piece is clamped into one hoop tile, and the other clamping block is clamped into the other hoop tile;

the inner core is arranged on the inner side of the hoop tile in a manner of moving along the axial direction of the inner core, so that the three lugs can be respectively inserted into or separated from the three second spacing grooves, when the lugs are inserted into the second spacing grooves, the inner core is in abutting fit with all the limiting sheets, and the lugs are in abutting fit with the adjacent limiting sheets.

Preferably, two spaced positioning holes are arranged on the limiting sheet.

Preferably, the shape of the fixture block is matched with the shape of the groove defined by the hoop tile.

Preferably, the fixture block and the limiting piece are integrated, and the limiting block is detachably connected with the fixture block.

Preferably, a counter bore is formed in the limiting piece, a threaded hole is formed in the limiting block, and the limiting piece is connected with the limiting block through a countersunk head screw.

Preferably, the inner circumferential wall of the inner core is provided with three welding positioning holes which are arranged at intervals along the circumferential direction of the inner core.

Preferably, the inner circumferential wall of the inner core is provided with an anti-slip groove.

Preferably, the inner core can be followed its axial and reciprocated, when the inner core moved from the top down, the inner core inserted three between the spacing piece with spacing piece cooperation, when the inner core was from up moving down, the inner core breaks away from spacing piece, wherein, the neighboring of the upper surface of spacing piece is equipped with first chamfer, the neighboring of the lower surface of inner core is equipped with the second chamfer.

Preferably, a hoop groove is formed in the limiting block, and the steel belt penetrates through the hoop groove.

Preferably, of the three first spacing grooves, the one opposite to the steel strip opening is a main spacing groove, and the rest are auxiliary spacing grooves; of the three limiting blocks, the limiting block matched with the main spacing groove is a main limiting block, and the rest are auxiliary limiting blocks; the two ends of the opening of the steel belt and the bolt are all arranged in the hoop groove of the main limiting block in a penetrating mode.

Compared with the prior art, the invention has the following beneficial effects:

this tool is through the combination cooperation between spacing piece and the inner core, spacing piece of rethread and hoop tile's spacing cooperation finally can make this tool can support at V type clamp inboard comparatively perfectly, so that carry out the steel band of V type clamp and the welding of hoop tile, again because spacing piece and inner core are all movable, consequently after the welding is accomplished, can remove the inner core respectively and spacing piece in order to take out the tool, finally can comparatively perfect preserve the welding state of V type clamp, effectively improve the finished product quality of V type clamp.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts:

FIG. 1 is a perspective view of a prior art V-clamp;

FIG. 2 is a perspective view of the jig;

FIG. 3 is an exploded view of the jig;

FIG. 4 is a perspective view of the jig;

FIG. 5 is a schematic view of a disk;

fig. 6 is a schematic view of the jig placed on a disc.

The reference numbers are as follows:

1. a steel belt; 2. a hoop tile; 3. a bolt; 4. a first spacing groove; 5. a limiting sheet; 6. an inner core; 7. a limiting block; 8. a clamping block; 9. a bump; 10. a second spacer groove; 11. welding a positioning hole; 12. an anti-slip groove; 13. a hoop groove; 14. a disc; 15. moving the plate; 16. and (7) positioning the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", "radial", "axial", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element 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.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

For the convenience of describing the structure and the theory of operation of tool, V type clamp is described earlier below, as shown in fig. 1, V type clamp includes steel band 1 and hoop tile 2, steel band 1 is the C type that has the open-ended, the one end of steel band 1 is equipped with bolt 3, the other end is equipped with the nut, bolt 3 links to each other with the nut, the inboard welding of steel band 1 has curved hoop tile 2, hoop tile 2's cross sectional shape is the V type, hoop tile 2 is three, three hoop tile 2 arranges in order to inject three first interval groove 4 along the circumference interval of steel band 1, one of them first interval groove 4 is relative with the opening of steel band 1.

The steel band 1 both ends of V type clamp among the practical application are equipped with the engaging lug respectively, are equipped with bolt 3 on the engaging lug, are equipped with the nut on another engaging lug, and the inboard of steel band 1 is equipped with hoop tile 2, and bolt 3 and nut screw-thread fit, the inboard welding of steel band 1 has three hoop tile 2, and hoop tile 2 is the arc, and cross sectional shape is the V type, and hoop tile 2 still is equipped with the turn-ups at the both sides edge of V type in addition, avoids damaging the pipe when cramping the pipe. Since the three hoop tiles 2 are spaced apart, three first spaced grooves 4 are naturally defined, and one of the first spaced grooves 4 is required to be opposite to the opening of the steel strip 1 in order not to interfere with tightening or loosening of the clamp by tightening or loosening the tightening bolt 3 with a wrench. Since the structure of the V-shaped clamp is prior art, it is not described in detail.

A jig for a V-band according to an embodiment of the present invention will be described below with reference to fig. 2 to 6 of the drawings, including: spacing piece 5 and inner core 6.

Spacing piece 5 is arc, is equipped with stopper 7 and two fixture blocks 8 on the lateral wall of spacing piece 5, and stopper 7 is located between two fixture blocks 8, and inner core 6 is the ring shape, is equipped with lug 9 on the periphery wall of inner core 6, and lug 9 is three and separates along the circumference of inner core 6.

The three limiting pieces 5 are arranged in the hoop at intervals to limit three second spacing grooves 10, the three limiting pieces 5 are positioned on the same circumference and are respectively opposite to the three first spacing grooves 4 one by one, the limiting pieces 5 can move along the radial direction of the circumference to be close to or far away from the corresponding first spacing grooves 4, any limiting piece 5 can move to abut against the inner sides of any two adjacent hoop tiles 2, at the moment, a limiting block 7 on the limiting piece 5 is inserted into the corresponding first spacing groove 4 and hooped on the steel strip 1, one of two clamping blocks 8 on the limiting piece 5 is clamped into one hoop tile 2, and the other clamping block is clamped into the other hoop tile 2; the inner core 6 is arranged inside the hoop tile 2 in a manner of being capable of moving along the axial direction of the inner core 6, so that the three projections 9 can be respectively inserted into or separated from the three second spacing grooves 10, when the projections 9 are inserted into the second spacing grooves 10, the inner core 6 is in abutting fit with all the limiting sheets 5, and the projections 9 are in abutting fit with the adjacent limiting sheets 5.

Particularly, the profiling design that spacing piece 5 actually adopted in the tool, stopper 7 and fixture block 8 on spacing piece 5 and spacing piece 5 all imitate hoop tile 2 structure and design promptly to can carry out the adaptation better. In order to realize the automatic welding of V type clamp, this tool need use with the cooperation of automatic weld equipment. As shown in fig. 5, the automatic welding equipment is provided with a circular disc 14, three moving plates 15 are arranged on the circular disc 14, the three moving plates 15 are arranged at intervals around the center of the circular disc 14, each moving plate 15 can move along the radial direction of the circular disc 14 under the action of a driving mechanism such as an air cylinder, and the like, so that the moving plates 15 can move to drive the three limiting plates 5 to retract and expand outwards, in order to facilitate the accurate placement of the limiting plates 5 on the circular disc 14, two positioning pins (not shown in the figure) are further arranged on each moving plate 15, and two positioning holes 16 for the insertion of the positioning pins are arranged on the limiting plates 5.

The use of this tool is as follows:

when the jig is used, the three limiting pieces 5 are attached to the outside of the inner core 6 to form a structure shown in fig. 2, the V-shaped hoop with a certain loosening degree is sleeved on the jig to form a structure shown in fig. 4, wherein three first spacing grooves 4 of the V-shaped hoop need to be correspondingly matched with the limiting blocks 7 on the three limiting pieces 5 respectively, then the V-shaped hoop and the jig are placed on the disc 14 to form a structure shown in fig. 6, the three limiting pieces 5 are installed on the three moving plates 15 respectively, and two positioning holes 16 of each limiting piece 5 are matched with two positioning pins of the corresponding moving plate 15.

After the installation is accomplished, automatic welding equipment can screw up bolt 3 earlier through the manipulator and make V type clamp tightly hoop on the tool, send again and weld on the some welded rotation type pad, after the welding is accomplished, bolt 3 is unscrewed again to the manipulator, at this moment, certain laxity has between V type clamp and the tool, the inner core 6 of tool is upwards taken out earlier to the manipulator, then movable plate 15 drives spacing piece 5 and contracts in automatically and break away from V type clamp, the manipulator alright take out the V type clamp finished product after the welding is accomplished, then spacing piece 5 expands outward automatically again, form the composite state in transferring spacing piece 5 with inner core 6 again. Because spacing piece 5 and inner core 6 are the combined type design, consequently when carrying out hoop tile 2 and the installation of steel band 1, the manipulator of being convenient for stretches out and flattens the tool to guarantee steel band 1 symmetry.

In conclusion, this tool is through the combination cooperation between spacing piece 5 and the inner core 6, spacing cooperation of rethread spacing piece 5 and hoop tile 2 finally can make this tool can support comparatively perfectly at V type clamp inboard to in carry out the welding of steel band 1 and the hoop tile 2 of V type clamp, because spacing piece 5 and inner core 6 are all movable again, consequently after the welding is accomplished, can remove inner core 6 and spacing piece 5 respectively in order to take out the tool, the final welding state that can comparatively perfectly preserve V type clamp, effectively improve the finished product quality of V type clamp.

Other structures of the jig will be described below with reference to the drawings.

In this embodiment, as shown in fig. 1 and 2, the shape of the fixture block 8 is matched with the shape of the groove defined by the ferrule tile 2, so that the fixture block 8 can be better matched with the ferrule tile 2, and the deformation of the ferrule tile 2 is avoided.

In this embodiment, as shown in fig. 3, fixture block 8 and spacing piece 5 are integrative, and stopper 7 and fixture block 8 can be dismantled continuously, particularly, are equipped with the counter bore on the spacing piece 5, are equipped with the screw hole on the stopper 7, and spacing piece 5 passes through countersunk screw with stopper 7 and links to each other, the dismouting of spacing piece 5 of being convenient for from this.

In this embodiment, as shown in fig. 3, three welding positioning holes 11 are formed in the inner circumferential wall of the inner core 6 and are circumferentially spaced along the inner core 6, so that the jig can be conveniently mounted on the rotary bonding pad to automatically weld the V-shaped clamp. Still be equipped with on the internal perisporium of inner core 6 and prevent skidding groove 12, the manipulator of being convenient for from this snatchs and the chucking, and the prevention accident drops, guarantees the location accuracy.

In this embodiment, inner core 6 can reciprocate along its axial, when inner core 6 from the top down moved, inner core 6 inserted between three spacing piece 5 with spacing piece 5 cooperation, when inner core 6 was from up removing down, inner core 6 breaks away from spacing piece 5, wherein, the neighboring of the upper surface of spacing piece 5 is equipped with first chamfer, the neighboring of the lower surface of inner core 6 is equipped with the second chamfer, first chamfer and second chamfer can play the guide effect from this, thereby take out the clamp at the manipulator, be convenient for with inner core 6 and spacing piece 5 reinstallation composite state. Specifically, the angles of the first chamfer and the second chamfer are both 45 degrees.

In this embodiment, as shown in fig. 3 and 4, the limiting block 7 is provided with a hoop groove 13, the steel strip 1 penetrates through the hoop groove 13, and of the three first spacing grooves 4, the opening opposite to the steel strip 1 is a main spacing groove, and the rest are auxiliary spacing grooves; of the three limiting blocks 7, the one matched with the main spacing groove is the main limiting block 7, and the other one is the auxiliary limiting block 7; both ends of the opening of the steel belt 1 and the bolt 3 are arranged in the hoop groove 13 of the main limiting block 7 in a penetrating mode. Main stopper 7 is used for spacing the opening size of V type clamp with control the position: the auxiliary limiting block 7 is used for limiting the position of the hoop tile 2 on the inner side and symmetrically limiting the steel belt 1 on the outer side.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a special tool of V type clamp, V type clamp includes steel band and hoop tile, the steel band is for having open-ended C type, the one end of steel band is equipped with the bolt, and the other end is equipped with the nut, the bolt with the nut links to each other, the inboard welding of steel band has curved hoop tile, the cross sectional shape of hoop tile is the V type, hoop tile is three, three the hoop tile is followed the circumference interval of steel band is arranged in order to inject three first interval groove, one of them first interval groove with the opening of steel band is relative, its characterized in that, the tool includes: a limiting sheet and an inner core;

2. The jig special for the V-shaped clamp according to claim 1, wherein the limiting plate is provided with two spaced positioning holes.

3. The jig for a V-shaped band of claim 1, wherein the shape of the clip is matched with the shape of the groove defined by the band tile.

4. The jig special for the V-shaped clamp according to claim 1, wherein the fixture block and the limiting piece are an integral piece, and the limiting piece is detachably connected with the fixture block.

5. The jig special for the V-shaped clamp according to claim 5, wherein the limiting piece is provided with a counter bore, the limiting piece is provided with a threaded hole, and the limiting piece is connected with the limiting piece through a countersunk head screw.

6. The jig special for the V-shaped clamp according to claim 1, wherein the inner peripheral wall of the inner core is provided with three welding positioning holes which are arranged at intervals along the circumferential direction of the inner core.

7. The jig special for the V-shaped clamp according to claim 1, wherein the inner peripheral wall of the inner core is provided with an anti-slip groove.

8. The jig special for the V-shaped clamp according to claim 1, wherein the inner core can move up and down along the axial direction thereof, when the inner core moves from top to bottom, the inner core is inserted between the three limiting pieces to be matched with the limiting pieces, and when the inner core moves from bottom to top, the inner core is separated from the limiting pieces, wherein the peripheral edge of the upper surface of the limiting pieces is provided with a first chamfer, and the peripheral edge of the lower surface of the inner core is provided with a second chamfer.

9. The jig special for the V-shaped clamp according to claim 1, wherein the limiting block is provided with a clamp groove, and the steel strip is inserted into the clamp groove.

10. The jig special for the V-shaped clamp according to claim 9, wherein of the three first spacing grooves, the one opposite to the steel strip opening is a main spacing groove, and the others are auxiliary spacing grooves; of the three limiting blocks, the limiting block matched with the main spacing groove is a main limiting block, and the rest are auxiliary limiting blocks; the two ends of the opening of the steel belt and the bolt are all arranged in the hoop groove of the main limiting block in a penetrating mode.