CN216325578U - Reaming accurate back chip removal reamer - Google Patents

Abstract

The utility model discloses a rear chip removal reamer with accurate reaming, and particularly relates to the technical field of reamers. According to the reaming device, the positioning mechanism of the reaming device can measure the hole in real time and replace a proper cutter body so as to ream the hole better, wherein the guiding mechanism changes the reaming depth of the cutter body to the hole, and meanwhile, debris generated in reaming is isolated from an area surrounded by four arc-shaped guide plates and flies downwards, so that the debris is prevented from splashing everywhere, and the safety of workers is guaranteed.

Description

Reaming accurate back chip removal reamer

Technical Field

The utility model relates to the technical field of reamers, in particular to a rear chip removal reamer with accurate reaming.

Background

Reamers are a relatively common metal cutting tool for drilling and repairing parts. The polishing device has more cutting tooth edges, is used for polishing holes machined on a workpiece, and can improve the precision and the smoothness of the holes. There are two types of hand reamers and machine reamers.

The reamer diameter tolerance has a direct impact on the dimensional accuracy of the hole being machined, the reamer manufacturing cost and the reamer's service life. When reaming, the diameter of a hole is larger than that of a reamer due to the influence of factors such as radial runout of the reamer and the like, and the reaming is called as reaming; the reduction of the hole diameter, called "reaming" is due to elastic deformation recovery and thermal deformation recovery of the machined surface.

The prior art has the following defects: the reamer can produce a large amount of piece departure to the in-process of polishing of hole, because the rotational speed of motor is very fast, the injury that causes the staff when piece splashes is just great, at the in-process of reaming to the hole, the diameter in hole can constantly change, but traditional device change reamer is inconvenient, causes the aperture unqualified easily.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a rear chip removal reamer with accurate reaming, which can measure a hole in real time and replace a proper reamer body through a guide mechanism and a positioning mechanism so as to ream the hole better, wherein the guide mechanism changes the reaming depth of the reamer body to the hole, and meanwhile, scraps generated in reaming are isolated in an area surrounded by four arc-shaped guide plates and fly downwards, so that the scraps are prevented from splashing around, the safety of workers is ensured, and the problem that in the prior art, a large amount of scraps fly out in the process of grinding the hole by the reamer is solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: a rear chip removal reamer with precise reaming comprises a reamer body, wherein the outer end of the reamer body is provided with a guide mechanism and a positioning mechanism;

the guiding mechanism comprises four arc-shaped guiding plates, four arc-shaped guiding plates are arranged on the outer side of the cutter body, four rectangular rods are fixedly arranged at the bottom ends of the arc-shaped guiding plates, and hollow rods are slidably arranged at the bottom ends of the rectangular rods.

Further, the outer end screw thread of cavity pole is equipped with the bolt, the one end of bolt extends into the inside of cavity pole and the outer end contact of rectangle pole.

Further, positioning mechanism includes the extension rod, the fixed four fixed plates that are equipped with in outer end of extension rod, first recess has been seted up on the top of fixed plate, the second recess has all been seted up to the both sides of fixed plate, first recess is established in one side of second recess, first recess and second recess intercommunication, the bottom of well cavity pole extends into inside and the two sliding contact of first recess, the outer end processing of fixed plate has the scale mark, the fixed threaded rod and the threaded rod that are equipped with in bottom of well cavity pole run through well cavity pole, the threaded rod is established at the inside and the two sliding contact of second recess, the outside of second recess is all extended at the both ends of threaded rod.

Further, the top thread of extension rod is established in the bottom of cutter body, four the outside at the extension rod is all established to the rectangle pole.

Furthermore, the outer end screw thread of threaded rod is equipped with two nuts, two the nut is established respectively in the both sides of fixed plate and the two contacts.

Furthermore, the bottom end of the extension rod is provided with a threaded hole.

The utility model has the following advantages:

1. according to the reaming device, the arc-shaped guide plate, the rectangular rod, the hollow rod and the threaded rod are pushed to integrally move by unscrewing the two nuts according to the diameter of the hole, wherein the threaded rod slides in the second groove until the top end of the arc-shaped guide plate reaches the opening of the hole, so that the reaming diameter can be obtained;

2. according to the reaming device, the bolt on the hollow rod is adjusted according to the depth of the hole, so that the length of the rectangular rod exposed out of the hollow rod is lengthened, the depth of the cutter body inlet hole is smaller, then the bolt on the hollow rod is screwed, the rectangular rod and the hollow rod are fixed, the rectangular rod extends, the arc-shaped guide plate moves upwards, and the cutter body extends into the hole, wherein the top end of the arc-shaped guide plate is abutted against the opening of the hole.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of an overall front view structure provided by the present invention;

FIG. 2 is a schematic view of a partial structure of a guide mechanism provided in the present invention;

FIG. 3 is a schematic perspective view of a fixing plate according to the present invention;

FIG. 4 is a schematic view of the overall bottom structure provided by the present invention;

FIG. 5 is a schematic view of the structure of portion A of FIG. 1 according to the present invention;

in the figure: 1. a cutter body; 2. an extension rod; 3. an arc-shaped guide plate; 4. a rectangular bar; 5. a fixing plate; 6. a threaded rod; 7. a nut; 8. a first groove; 9. a second groove; 10. a threaded hole; 11. a hollow shaft; 12. a guide mechanism; 13. a positioning mechanism.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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 the attached fig. 1-5 in the specification, the rear chip removal reamer for precise reaming of the embodiment comprises a reamer body 1, wherein a guide mechanism 12 and a positioning mechanism 13 are arranged at the outer end of the reamer body 1;

guiding mechanism 12 includes four arc deflector 3, four arc deflector 3 all establishes in the outside of cutter body 1, four the bottom of arc deflector 3 all fixes and is equipped with rectangular rod 4, the bottom of rectangular rod 4 slides and is equipped with well hollow rod 11, and guiding mechanism changes the reaming degree of depth to the hole of cutter body 1, and the piece that produces during the reaming simultaneously is kept apart the region that encloses at four arc deflector 3 and is flown out downwards.

Positioning mechanism 13 includes extension rod 2, the fixed four fixed plates 5 that are equipped with in outer end of extension rod 2, first recess 8 has been seted up on the top of fixed plate 5, second recess 9 has all been seted up to the both sides of fixed plate 5, first recess 8 is established in one side of second recess 9, first recess 8 and second recess 9 intercommunication, the bottom of well cavity pole 11 extends into inside and the two sliding contact of first recess 8, the outer end processing of fixed plate 5 has the scale mark, the fixed threaded rod 6 and the threaded rod 6 that are equipped with of bottom of well cavity pole 11 run through well cavity pole 11, threaded rod 6 is established in inside and the two sliding contact of second recess 9, the outside of second recess 9 is all extended at the both ends of threaded rod 6, can measure and change suitable cutter body 1 so that carry out the reaming hole better in real time to hole.

The outer end screw thread of threaded rod 6 is equipped with two nuts 7, two nut 7 establishes respectively in the both sides of fixed plate 5 and the two contact for the position of cavity pole 11 and fixed plate 5 is fixed.

The implementation scenario is specifically as follows: unscrewing two nuts 7, pushing an arc-shaped guide plate 3, a rectangular rod 4, a hollow rod 11 and a threaded rod 6 to integrally move according to the diameter of a hole, wherein the threaded rod 6 slides in a second groove 9, when sliding, the hollow rod 11 is arranged at the rear side of a scale mark on a fixed plate 5, the moving distance can be observed until the top end of the arc-shaped guide plate 3 reaches an opening of the hole, at the moment, the reaming radius is equal to the distance value from the scale inside to the inside of the hollow rod 11 plus the radius of an extension rod 2, so that the reaming diameter can be obtained, when the extension rod 2 is screwed down from a cutter body 1 in the reaming process, the diameter size of the cutter body 1 suitable for the reaming diameter can be changed at any time, when the hole is repaired, the device can measure in real time and change the cutter body 1 suitable for better reaming the hole, and the embodiment specifically solves the problems that in the prior art, the diameter in hole can constantly change, but traditional device is changed the reamer inconvenient, causes the unqualified problem in aperture easily.

Referring to the attached fig. 1-5 of the specification, the rear chip removal reamer with precise reaming of the embodiment is characterized in that the outer end of the hollow rod 11 is threaded with a bolt, one end of the bolt extends into the hollow rod 11 to be in contact with the outer end of the rectangular rod 4, and the depth of the inlet hole of the cutter body 1 can be changed.

Threaded hole 10 is seted up to the bottom of extension rod 2, is convenient for the motor to be connected with this device.

The top thread of extension rod 2 is established in the bottom of cutter body 1, four rectangular rod 4 all establishes in the outside of extension rod 2 for the activity is not influenced between guiding mechanism 13 and the cutter body 1.

The implementation scenario is specifically as follows: the interior of a threaded hole 10 is connected with the output end of a motor in a threaded manner, the motor is driven to rotate when being started, bolts on a hollow rod 11 are adjusted according to the depth of the hole, so that the length of the rectangular rod 4 exposed out of the hollow rod 11 is increased, the depth of an inlet hole of a cutter body 1 is smaller, then the bolts on the hollow rod 11 are screwed, the rectangular rod 4 and the hollow rod 11 are fixed, the rectangular rod 4 is extended, an arc-shaped guide plate 3 moves upwards, the cutter body 1 extends into the hole, the top end of the arc-shaped guide plate 3 is abutted against the opening of the hole, a guide mechanism of the device changes the reaming depth of the hole of the cutter body 1, meanwhile, chips generated during reaming are isolated in an area surrounded by the four arc-shaped guide plates 3 and fly downwards, the chips are prevented from splashing everywhere, the safety of workers is guaranteed, and the embodiment specifically solves the problem that a large amount of chips are generated in the reaming process of the prior art, the rotating speed of the motor is high, so that the injury to workers is high when the scraps splash.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides an accurate back chip removal reamer of reaming, includes cutter body (1), its characterized in that: the outer end of the cutter body (1) is provided with a guide mechanism (12) and a positioning mechanism (13);

guiding mechanism (12) include four arc deflector (3), four arc deflector (3) all establish in the outside of cutter body (1), four the bottom of arc deflector (3) all is fixed and is equipped with rectangle pole (4), the bottom of rectangle pole (4) slides and is equipped with cavity pole (11).

2. The reaming accurate post chip removal reamer of claim 1, wherein: the outer end screw thread of cavity pole (11) is equipped with the bolt, the one end of bolt extends into the inside of cavity pole (11) and the outer end contact of rectangle pole (4).

3. The reaming accurate post chip removal reamer of claim 2, wherein: the positioning mechanism (13) comprises an extension rod (2), four fixing plates (5) are fixedly arranged at the outer end of the extension rod (2), a first groove (8) is arranged at the top end of the fixed plate (5), second grooves (9) are arranged on both sides of the fixed plate (5), the first groove (8) is arranged at one side of the second groove (9), the first groove (8) is communicated with the second groove (9), the bottom end of the hollow rod (11) extends into the first groove (8) and the bottom end of the hollow rod and the first groove are in sliding contact, the outer end of the fixed plate (5) is provided with scale marks, the bottom of the hollow rod (11) is fixedly provided with a threaded rod (6), the threaded rod (6) penetrates through the hollow rod (11), the threaded rod (6) is arranged in the second groove (9) and is in sliding contact with the second groove, and the two ends of the threaded rod (6) extend out of the outer side of the second groove (9).

4. The reaming accurate post chip removal reamer of claim 3, wherein: the top thread of extension rod (2) is established in the bottom of cutter body (1), four rectangle pole (4) are all established in the outside of extension rod (2).

5. The reaming accurate post chip removal reamer of claim 3, wherein: the outer end thread of threaded rod (6) is equipped with two nuts (7), two nut (7) are established respectively in the both sides of fixed plate (5) and the two contact.

6. The reaming accurate post chip removal reamer of claim 3, wherein: the bottom end of the extension rod (2) is provided with a threaded hole (10).

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