CN213764956U - Stable positioning mandrel - Google Patents

Abstract

The utility model relates to a positioning core axle field just discloses a stable form positioning core axle, including axis body and two fixed plates, two fixed plates respectively with the left and right sides of axis body, the cross bore has been seted up to the inside of axis body, and the left side wall fixedly connected with of left fixed plate is pegged graft at the left side pole in the cross bore, right side the right side pole of pegging graft inside the cross bore is installed to the left side wall of fixed plate, the right-hand member of left side pole is connected with the left end of right side pole, and is left the screw hole has all been seted up to the top and the bottom of fixed plate, the thread groove that corresponds with the screw hole is seted up to the left end of axis body. This stable form positioning core axle, screw in anchor strut, the right-hand member of anchor strut runs through the gusset plate for the gusset plate is more firm with being connected of anchor strut, makes the right-hand member of anchor strut surely steady fix in the thread groove, and then makes being connected of axis body and fixed plate more firm, and then the installation axis body that can stabilize more, guarantees that the in-process that the axis body used can not incline, guarantees the precision of processing.

Description

Stable positioning mandrel

Technical Field

The utility model relates to a positioning core axle field specifically is a stable form positioning core axle.

Background

The positioning core shaft is generally used in conical surface matching, which can well ensure the coaxial relation of the connected parts, and the end part of the conical surface core shaft is provided with a thread or screw hole to enable the core shaft to be axially locked in the conical sleeve.

And the location dabber needs to be installed its stability when using to guarantee that the location dabber can not produce the deviation when using, and then guarantee the stability that whole device used, but present common location dabber is when using, because the restriction of mounting means, make the installation of location dabber not very firm, like this, can lead to the location dabber can incline and make equipment processing produce great error when using, even the emergence accident. To this end, we have designed a stable positioning mandrel.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a stable form positioning core axle has solved present common positioning core axle when using, because the restriction of mounting means for positioning core axle's installation is not very firm, like this, can lead to positioning core axle can incline when using and make equipment processing produce great error, the problem of emergence accident even.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a stable form positioning core axle, includes axis body and two fixed plates, two fixed plates respectively with the left and right sides of axis body, the cross bore has been seted up to the inside of axis body, left side wall fixedly connected with of left fixed plate pegs graft at the left side pole in the cross bore, right side the right side pole of pegging graft inside the cross bore is installed to the left side wall of fixed plate, the right-hand member of left side pole is connected with the left end of right side pole.

The top and the bottom of left fixed plate all set up threaded hole, the thread groove that corresponds with the screw hole is seted up to the left end of axis body, screw hole female connection has the dead lever, the right-hand member threaded connection of dead lever is in the thread groove.

Mounting grooves are formed in the top wall and the bottom wall of the right end of the threaded groove, sliding plates are slidably connected to the inside of the mounting grooves, two reset springs are mounted on the opposite surfaces of the sliding plates, one ends, away from the sliding plates, of the reset springs are fixedly connected with the inner walls of the mounting grooves, positioning grooves corresponding to the mounting grooves are formed in the right end of the fixing rod, a reinforcing plate extending into the positioning grooves is mounted on one surface, away from the reset springs, of the sliding plates, reinforcing rods are connected to the fixing rod in a threaded mode, and the right ends of the reinforcing rods penetrate through the reinforcing.

Furthermore, the right end of the left side lever is provided with a connecting groove, and the left end of the right side lever is fixedly connected with a connecting rod in threaded connection with the connecting groove.

Furthermore, the left end of dead lever is seted up the connecting hole that corresponds with the constant head tank, anchor strut threaded connection is in the inside of connecting hole.

Furthermore, the reinforcing plate is provided with a positioning hole corresponding to the reinforcing rod, and the right end of the reinforcing rod penetrates through the positioning hole.

Furthermore, a conical inclined plane is arranged at the right end of the fixing rod.

Furthermore, the mounting rod is installed to the one side that the axis body was kept away from to the fixed plate.

The utility model has the advantages that:

1. the utility model discloses a, with dead lever screw in to screw hole and thread groove in, the dead lever can carry out further reinforcement to fixed plate and axis body for the connection of fixed plate and axis body is more firm, and the connection between fixed plate and the axis body can not become flexible and the separation.

2. The utility model discloses a, the screw in anchor strut, the right-hand member of anchor strut runs through the gusset plate for the gusset plate is more firm with being connected of anchor strut, makes the right-hand member of dead lever steadily fix in the thread groove, and then makes being connected of axis body and fixed plate more firm, and then can more firm installation axis body, guarantees that the in-process that the axis body used can not incline, guarantees the precision of processing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is an enlarged view of B in fig. 1.

In the figure: 1. a shaft body; 2. a fixing plate; 3. a transverse hole; 4. a left side lever; 5. a right side rod; 6. a threaded hole; 7. fixing the rod; 8. a thread groove; 9. mounting grooves; 10. a sliding plate; 11. a return spring; 12. a reinforcing plate; 13. positioning a groove; 14. a reinforcing rod; 15. connecting grooves; 16. a connecting rod; 17. connecting holes; 18. Positioning holes; 19. and (5) installing a rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: a stable positioning core shaft comprises a shaft body 1 and two fixing plates 2, one surface of each fixing plate 2, which is far away from the shaft body 1, is provided with an installation rod 19, the installation rod 19 is convenient to install and fix the fixing plates 2, the two fixing plates 2 are respectively connected with the left side and the right side of the shaft body 1, a transverse hole 3 is formed in the shaft body 1, the left side wall of the left fixing plate 2 is fixedly connected with a left side rod 4 inserted in the transverse hole 3, the left side wall of the right fixing plate 2 is provided with a right side rod 5 inserted in the transverse hole 3, the right end of the left side rod 4 is connected with the left end of the right side rod 5, the two fixing plates 2 positioned at the left side and the right side of the shaft body 1 can limit and position the shaft body 1 from two sides, the deviation of the shaft body 1 is avoided, the end parts of the left side rod 4 and the right side rod 5 inserted in the transverse hole 3 are mutually connected, the shaft body 1 can be supported from the inside, so that the shaft body 1 is more stable.

Threaded hole 6 is all seted up to the top and the bottom of left fixed plate 2, the thread groove 8 that corresponds with threaded hole 6 is seted up to the left end of axis body 1, threaded hole 6 female connection has dead lever 7, the right-hand member threaded connection of dead lever 7 is in thread groove 8, after fixed plate 2 and axis body 1 installed a position, then with dead lever 7 screw in to threaded hole 6 and thread groove 8 in, dead lever 7 can carry out further reinforcement to fixed plate 2 and axis body 1, make fixed plate 2 and axis body 1's connection more firm, the connection between fixed plate 2 and the axis body 1 can not become flexible and the separation.

Mounting grooves 9 are formed in the top wall and the bottom wall of the right end of the threaded groove 8, sliding plates 10 are slidably connected inside the mounting grooves 9, return springs 11 are mounted on the opposite surfaces of the two sliding plates 10, one ends, far away from the sliding plates 10, of the return springs 11 are fixedly connected with the inner walls of the mounting grooves 9, positioning grooves 13 corresponding to the mounting grooves 9 are formed in the right end of the fixing rod 7, reinforcing plates 12 extending into the positioning grooves 13 are mounted on the surfaces, far away from the return springs 11, of the sliding plates 10, reinforcing rods 14 are connected to the fixing rod 7 in a threaded mode, the right ends of the reinforcing rods 14 penetrate through the reinforcing plates 12, after the fixing rod 7 is completely screwed into the threaded groove 8, the sliding plates 10 and the reinforcing plates 12 are inserted into the positioning grooves 13 under the pushing of the return springs 11, then the reinforcing rods 14 are screwed in, the right ends of the reinforcing, make the right-hand member of dead lever 7 surely fix in thread groove 8, and then make being connected of axis body 1 and fixed plate 2 more firm, and then installation axis body 1 that can stabilize more, guarantee that the in-process that axis body 1 used can not incline, guarantee the precision of processing.

Left side pole 4 is connected with right side pole 5, can support and consolidate axis body 1 from the inside of axis body 1, and spread groove 15 has been seted up to left side pole 4's right-hand member, and right side pole 5's left end fixedly connected with and spread groove 15 threaded connection's connecting rod 16, in connecting rod 16 screw in spread groove 15 for left side pole 4 is connected with right side pole 5, and then supports axis body 1 from the inside of axis body 1.

When the fixing rod 7 is screwed in, the right end of the fixing rod 7 gradually enters the thread groove 8, the left end of the fixing rod 7 is provided with a connecting hole 17 corresponding to the positioning groove 13, the reinforcing rod 14 is in threaded connection with the inside of the connecting hole 17, the reinforcing plate 12 is provided with a positioning hole 18 corresponding to the reinforcing rod 14, the right end of the reinforcing rod 14 penetrates through the positioning hole 18, the right end of the fixing rod 7 is provided with a conical inclined surface, the conical inclined surface at the right end of the fixing rod 7 can be abutted against the left side wall of the reinforcing plate 12 and applies a force to the reinforcing plate 12 to move towards the mounting groove 9, so that the sliding plate 10 and the reinforcing rod 14 are accommodated in the mounting groove 9, the reset spring 11 is compressed, and after the fixing rod 7 is completely screwed in, the reset spring 11 pushes the sliding plate 10 and the reinforcing rod 14 to move outwards, the reinforcing plate 12 is inserted into the positioning groove 13, and then the reinforcing rod 14 is screwed in the connecting hole 17, the right end of the reinforcing rod 14 may penetrate through the positioning hole 18 of the reinforcing plate 12 to reinforce the position of the reinforcing plate 12, and a stopper corresponding to the sliding plate 10 is installed on the inner wall of the installation groove 9.

To sum up, the utility model discloses when using, insert the tip interconnect of left side pole 4 and right side pole 5 in the cross bore 3, can follow the inside of axis body 1, provide the support to axis body 1 for axis body 1 is more firm, then in proper order screw in dead lever 7 and anchor strut 14 can accomplish the fixed to axis body 1 again.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a stable form positioning core axle, includes axis body (1) and two fixed plates (2), two fixed plates (2) respectively with the left and right sides of axis body (1), its characterized in that: a cross hole (3) is formed in the shaft body (1), a left side lever (4) inserted in the cross hole (3) is fixedly connected to the left side wall of the left fixing plate (2), a right side lever (5) inserted in the cross hole (3) is mounted on the left side wall of the right fixing plate (2), and the right end of the left side lever (4) is connected with the left end of the right side lever (5);

threaded holes (6) are formed in the top and the bottom of the fixing plate (2) on the left side, a threaded groove (8) corresponding to the threaded hole (6) is formed in the left end of the shaft body (1), a fixing rod (7) is connected to the threaded hole (6) in an internal thread mode, and the right end of the fixing rod (7) is connected to the threaded groove (8) in a threaded mode;

mounting groove (9) have all been seted up to the roof and the diapire of thread groove (8) right-hand member, the inside sliding connection of mounting groove (9) has sliding plate (10), two reset spring (11) are all installed to the face of separating mutually of sliding plate (10), the one end that sliding plate (10) were kept away from in reset spring (11) and the inner wall fixed connection of mounting groove (9), constant head tank (13) that correspond with mounting groove (9) are seted up to the right-hand member of dead lever (7), the one side that reset spring (11) were kept away from in sliding plate (10) is installed and is extended to inside gusset plate (12) of constant head tank (13), threaded connection has anchor strut (14) on dead lever (7), gusset plate (12) are run through to the right-hand member of anchor strut (14).

2. A stabilized positioning mandrel according to claim 1 wherein: the right-hand member of left side pole (4) has seted up spread groove (15), the left end fixedly connected with of right side pole (5) and spread groove (15) threaded connection's connecting rod (16).

3. A stabilized positioning mandrel according to claim 1 wherein: the left end of the fixing rod (7) is provided with a connecting hole (17) corresponding to the positioning groove (13), and the reinforcing rod (14) is in threaded connection with the inside of the connecting hole (17).

4. A stabilized positioning mandrel according to claim 1 wherein: the reinforcing plate (12) is provided with a positioning hole (18) corresponding to the reinforcing rod (14), and the right end of the reinforcing rod (14) penetrates through the positioning hole (18).

5. A stabilized positioning mandrel according to claim 1 wherein: the right end of the fixed rod (7) is provided with a conical inclined plane.

6. A stabilized positioning mandrel according to claim 1 wherein: and an installation rod (19) is installed on one surface, far away from the shaft body (1), of the fixing plate (2).

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