CN215845808U

CN215845808U - Center hole positioning and correcting device

Info

Publication number: CN215845808U
Application number: CN202022913222.6U
Authority: CN
Inventors: 孙元祥
Original assignee: Suzhou Jinzhongqian Precision Hardware Co ltd
Current assignee: Suzhou Jinzhongqian Precision Hardware Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2022-02-18
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a central hole positioning and correcting device, which comprises a drilling mechanism and a fixing mechanism, wherein the drilling mechanism is arranged on the central hole; the fixing mechanism comprises connecting rods and clamping components, the two connecting rods are movably connected to two sides of the drilling mechanism, and the two clamping components are respectively arranged at one end of the connecting rods, which is opposite to the end connected with the drilling mechanism; the connecting rod includes head rod, second connecting rod and first spring, and the inside of head rod transversely is provided with a cavity, and the cavity link up with the one end of head rod, and inside the one end of first spring was fixed in the cavity, and the one end of second connecting rod is located the inside of cavity, and is fixed with the relative one end of being connected with the head rod of first spring, has solved and has had traditional centre bore to revise and adopt manual correction to lead to the not high problem of precision among the prior art.

Description

Center hole positioning and correcting device

Technical Field

The utility model relates to the field of correction devices, in particular to a center hole positioning correction device.

Background

The center hole is a process hole machined for determining the center of the workpiece. Most shaft parts are provided with central holes, and have two main functions: firstly, the positioning reference is used as a workpiece during processing; and bearing the self weight and cutting force of the workpiece.

The center hole is a hole which is generally punched at the geometric center of a workpiece in the machining process and is used as a process reference for clamping, inspecting, assembling and positioning the workpiece. The center hole is a positioning base surface for mounting the shaft workpiece on the tip. The taper hole of the central hole is matched with the taper surface on the tip; the small round hole at the inner end is matched and attached with the conical surface of the tip for ensuring that the conical hole is matched and attached with the conical surface of the tip, and a small amount of lubricating oil can be stored.

At present, during production, a central hole of a workpiece may not be in a geometric center position, and at the moment, correction is needed, however, the accuracy is often not accurate enough when drilling correction is performed manually in the prior art, and the problem that the accuracy is not high due to the fact that the conventional central hole correction is performed manually exists in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a center hole positioning and correcting device, which solves the problem of low precision caused by manual correction in the traditional center hole correction in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a central hole positioning and correcting device comprises a drilling mechanism and fixing mechanisms, wherein the two fixing mechanisms are movably connected to two sides of the drilling mechanism;

the fixing mechanism comprises connecting rods and clamping components, the two connecting rods are movably connected to two sides of the drilling mechanism, and the two clamping components are respectively arranged at one end, connected relative to the drilling mechanism, of each connecting rod;

the connecting rod includes head rod, second connecting rod and first spring, the inside of head rod transversely is provided with a cavity, just the cavity with the one end of head rod link up, the one end of first spring is fixed in inside the cavity, the one end of second connecting rod is located the inside of cavity, and with first spring for the one end that the head rod is connected is fixed.

Preferably, the clamping assembly comprises a supporting rod, a first screw rod and two clamping plates, the top end of the supporting rod is fixedly connected with the second connecting rod, the second connecting rod is connected with the first spring, a first sliding groove is vertically formed in the bottom end of the supporting rod, one of the first sliding groove and the second sliding groove is fixed to the bottom end of the supporting rod, the other clamping plate is connected with the inside of the first sliding groove through a sliding block, the first screw rod is vertically arranged on the clamping plate connected with the first sliding block, a thread block is sleeved on the first screw rod, and the thread block is fixedly connected with the supporting rod.

Preferably, the drilling mechanism includes the casing and sets up at inside adjustment mechanism of casing and drilling subassembly, the casing is the cuboid, a sliding tray has been seted up on the bottom surface of casing.

Preferably, the drilling assembly comprises a driving motor and a drill bit, the driving motor is arranged inside the shell, an output shaft of the driving motor penetrates out of the sliding groove, and one end of the drill bit is fixedly connected with the output shaft of the driving motor.

Preferably, the adjusting assembly comprises a sliding rod, a sliding block, a second screw rod and a second spring, the sliding rod is vertically arranged inside the connecting rod and close to the driving motor, a connecting sleeve is sleeved on the sliding rod, the sliding block is fixedly connected with the connecting sleeve and is attached to the driving motor, the second screw rod penetrates through the top end of the shell and is attached to the sliding block, one end of the second spring is fixedly connected with the surface, which is attached to the sliding block, of the driving motor, the other end of the second spring is fixedly connected with the inner wall of the connecting rod, and a hand wheel is arranged at the outer end of the second screw rod; the thickness of the sliding block is gradually increased from the bottom end of the shell to the top end of the shell.

Preferably, a second sliding groove is vertically formed in the surface of the shell, which is connected with the first connecting rod, a second sliding block is fixed to one end, which is connected with the first connecting rod, of the first connecting rod, and the second sliding block is located inside the second sliding groove.

The utility model has the beneficial effects that: the utility model comprises a drilling mechanism and a fixing mechanism; the fixing mechanism comprises connecting rods and clamping components, the two connecting rods are movably connected to two sides of the drilling mechanism, and the two clamping components are respectively arranged at one end, connected relative to the drilling mechanism, of each connecting rod; the connecting rod comprises a first connecting rod, a second connecting rod and a first spring, a cavity is transversely arranged in the first connecting rod and is communicated with one end of the first connecting rod, one end of the first spring is fixed in the cavity, one end of the second connecting rod is positioned in the cavity, and the second connecting rod is fixed with one end, connected with the first spring relative to the first connecting rod, of the first spring; simultaneously set up spring and second connecting rod in the inside of head rod for the connecting rod is whole can come the length adjustment back and the work piece laminating according to the size of work piece, later through clamping component with device monolithic stationary on the work piece, drilling mechanism drilling revises, has solved and has had traditional centre bore to revise and adopt manual correction to lead to the problem that the precision is not high among the prior art.

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 schematic structural diagram of a center hole positioning and correcting device according to the present invention;

FIG. 2 is a schematic view of the structural formula of the connecting rod of the present invention.

In the figure: 1. a connecting rod; 2. a support bar; 3. a first slider; 4. a first chute; 5. a thread block; 6. A first screw; 7. a housing; 8. a slide bar; 9. connecting sleeves; 10. a slider; 11. a second screw; 12. A hand wheel; 13. a drive motor; 14. a drill bit; 15. a second spring; 16. a first connecting rod; 17. a second connecting rod; 18. a first spring; 20. a second slider; 21. a second chute; 22. and (4) clamping the plate.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-2, a central hole positioning correction device comprises a drilling mechanism and two fixing mechanisms, wherein the two fixing mechanisms are movably connected to two sides of the drilling mechanism, the fixing mechanisms are responsible for integrally fixing the device on a workpiece, and the drilling mechanism is responsible for drilling correction;

the fixing mechanism comprises connecting rods 1 and clamping components, the two connecting rods 1 are movably connected to two sides of the drilling mechanism, and the two clamping components are respectively arranged at one end, connected relative to the drilling mechanism, of each connecting rod 1;

the connecting rod 1 comprises a first connecting rod 16, a second connecting rod 17 and a first spring 18, a cavity is transversely arranged in the first connecting rod 16 and communicated with one end of the first connecting rod 16, one end of the first spring 18 is fixed in the cavity, one end of the second connecting rod 17 is located in the cavity and fixed with one end, connected with the first connecting rod 16, of the first spring 18, and the second connecting rod is attached to a workpiece according to the extending length of the second connecting rod 16 of the workpiece.

Wherein, clamping component includes bracing piece 2, first screw rod 6 and two splint 22, the top and the one end fixed connection that second connecting rod 17 is connected for first spring 18 of bracing piece 2, the vertical first spout 4 that is provided with in bottom of bracing piece 2, one of them splint 22 is fixed in the bottom of bracing piece 2, another splint 22 passes through the slider and connects inside first spout 4, first screw rod 6 is vertical to be located on the splint 22 that is connected with first slider 3, threaded block 5 has been cup jointed on first screw rod 6, and threaded block 5 and bracing piece 2 fixed connection, the back is accomplished in the adjustment of 1 length of connecting rod, block two splint 22 on the work piece, later rotate first screw rod 6, time splint 22 presss from both sides tightly, with device monolithic stationary on the work piece.

Wherein, drilling mechanism includes casing 7 and sets up at 7 inside adjustment mechanism of casing and drilling subassembly, and casing 7 is the cuboid, has seted up a sliding tray on casing 7's the bottom surface.

The drilling assembly comprises a driving motor 13 and a drill bit 14, the driving motor 13 is arranged inside the shell 7, an output shaft of the driving motor 13 penetrates out of the sliding groove, one end of the drill bit 14 is fixedly connected with the output shaft of the driving motor 13, the adjusting assembly comprises a sliding rod 8, a sliding block 10, a second screw rod 11 and a second spring 15, the sliding rod 8 is vertically arranged inside the connecting rod 1 and is close to the driving motor 13, a connecting sleeve 9 is sleeved on the sliding rod 8, the sliding block 10 is fixedly connected with the connecting sleeve 9 and is attached to the driving motor 13, the second screw rod 11 penetrates through the top end of the shell 7 and is attached to the sliding block 10, one end of the second spring 15 is fixedly connected with the surface, corresponding to the attachment of the sliding block 10, of the driving motor 13, the other end of the second spring 15 is fixedly connected with the inner wall of the connecting rod 1, and a hand wheel 12 is arranged at the outer end of the second screw rod 11; the thickness of sliding block 10 is extended gradually from the bottom end of casing 7 to the top end, and after the device is fixed, rotates second screw 11 and makes sliding block 10 move down, because the thickness of sliding block 10 is extended gradually from the bottom end of casing 7 to the top end, slides 10 and promotes driving motor 13 and move to one side, finely tunes the position that drill bit 14 aimed at the work piece, ensures to aim at the geometric centre of work piece.

Wherein, the connecting rod 1 has seted up second spout 21 on the face of being connected with first connecting rod 16 vertically, and the relative one end of being connected with second connecting rod 17 of first connecting rod 16 is fixed with second slider 20, and second slider 20 is located inside second spout 21, and after the fine setting is accomplished, promotes casing 7 and moves down, and driving motor 13 rotates and drives drill bit 14 and carry out drilling correction to the work piece.

Wherein, a plurality of spacing holes 19 have all been seted up on casing 7 and the first connecting rod 17, set up spacing hole 19 and wholly fixed connecting rod 1.

The working principle and the using process of the utility model are as follows: when in use, the second connecting rod 16 is jointed with a workpiece according to the extending length of the workpiece, a limiting column is inserted into the limiting hole 19 to fix the connecting rod 1 integrally after the adjustment is finished, after the length adjustment of the connecting rod 1 is finished, the two clamping plates 22 are clamped on a workpiece, then the first screw 6 is rotated, the clamping plates 22 are clamped, the whole device is fixed on the workpiece, after the device is fixed, the second screw 11 is rotated to enable the sliding block 10 to move downwards, since the thickness of the slide block 10 is gradually increased from the bottom end to the top end of the housing 7, the slide block 10 pushes the driving motor 13 to move to one side, the position of the drill 14 aligned with the workpiece is finely adjusted to ensure that the geometric center of the workpiece is aligned, and after the fine adjustment is completed, the shell 7 is pushed to move downwards, the driving motor 13 rotates to drive the drill bit 14 to drill and correct the workpiece, and the problem that the precision is not high due to the fact that the traditional center hole correction is manual correction in the prior art is solved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A central hole positioning and correcting device is characterized by comprising a drilling mechanism and fixing mechanisms, wherein the two fixing mechanisms are movably connected to two sides of the drilling mechanism;

the fixing mechanism comprises connecting rods (1) and clamping components, the two connecting rods (1) are movably connected to two sides of the drilling mechanism, and the two clamping components are respectively arranged at one end, connected relative to the drilling mechanism, of each connecting rod (1);

the connecting rod (1) comprises a first connecting rod (16), a second connecting rod (17) and a first spring (18), a cavity is transversely formed in the first connecting rod (16), the cavity is communicated with one end of the first connecting rod (16), one end of the first spring (18) is fixed in the cavity, one end of the second connecting rod (17) is located in the cavity, and the first spring (18) is fixed relative to one end, connected with the first connecting rod (16).

2. The center hole positioning correction device according to claim 1, characterized in that the clamping assembly comprises a support rod (2), a first screw (6) and two clamping plates (22), the top end of the supporting rod (2) is fixedly connected with one end of the second connecting rod (17) which is connected relative to the first spring (18), a first sliding groove (4) is vertically arranged at the bottom end of the supporting rod (2), one of the clamping plates (22) is fixed at the bottom end of the supporting rod (2), the other clamping plate (22) is connected to the inside of the first sliding chute (4) through a sliding block, the first screw rod (6) is vertically arranged on a clamping plate (22) connected with the first sliding block (3), a thread block (5) is sleeved on the first screw rod (6), and the thread block (5) is fixedly connected with the support rod (2).

3. The center hole positioning correction device as claimed in claim 1, wherein the drilling mechanism comprises a housing (7), and an adjusting mechanism and a drilling assembly arranged inside the housing (7), the housing (7) is rectangular, and a sliding groove is formed on the bottom surface of the housing (7).

4. A centre hole positioning correction device according to claim 3, characterized in that the drilling assembly comprises a driving motor (13) and a drill bit (14), the driving motor (13) is arranged inside the housing (7), an output shaft of the driving motor (13) penetrates out of the sliding groove, and one end of the drill bit (14) is fixedly connected with the output shaft of the driving motor (13).

5. The center hole positioning and correcting device of claim 4, further comprising an adjusting component, wherein the adjusting component comprises a sliding rod (8), a sliding block (10), a second screw (11) and a second spring (15), the sliding rod (8) is vertically arranged inside the connecting rod (1) and close to the driving motor (13), a connecting sleeve (9) is sleeved on the sliding rod (8), the sliding block (10) is fixedly connected with the connecting sleeve (9) and attached to the driving motor (13), the second screw (11) penetrates through the top end of the shell (7) and attached to the sliding block (10), one end of the second spring (15) is fixedly connected with the driving motor (13) relative to the surface attached to the sliding block (10), and the other end of the second spring (15) is fixedly connected with the inner wall of the connecting rod (1), a hand wheel (12) is arranged at the outer end of the second screw rod (11); the thickness of the sliding block (10) is gradually increased from the bottom end to the top end of the shell (7).

6. The center hole positioning and correcting device is characterized in that a second sliding groove (21) is vertically formed in the connecting surface of the shell (7) and the first connecting rod (16), a second sliding block (20) is fixed at one end, connected relative to the second connecting rod (17), of the first connecting rod (16), and the second sliding block (20) is located inside the second sliding groove (21).