CN211304889U - Correcting device for drill bit of deep hole boring machine - Google Patents

Abstract

The utility model discloses a correcting unit of deep hole boring machine drill bit relates to deep hole boring machine drill bit and rectifies technical field, include: the base with set up the support on the base to and the dipperstick of being connected with the leg joint, the up end of base sets up positioning center and is located positioning center outlying limit structure, limit structure is used for making the axis of drill bit coincide with positioning center and makes the drill bit can be rotatory around the axis of drill bit, the dipperstick includes the measuring part, the dipperstick makes the measuring part change between first measuring position and second measuring position through the rotation. The embodiment of the utility model provides a through the up end location center and the limit structure of base, can guarantee that the drill bit is rotatory around the axis of drill bit, through the relative position of comparison blade or guide key and measuring part, rectify blade and polylith guide key mounted position on the cutter body, and then guarantee the blade and the guide key at the accuracy of cutter body mounted position and the parallelism of many times correction, promote the machining precision of deep hole.

Description

Correcting device for drill bit of deep hole boring machine

Technical Field

The utility model relates to a deep hole boring machine drill bit rectifies technical field, more specifically relates to a correcting unit of deep hole boring machine drill bit.

Background

In the machining process, the existing prefabricated holes of the workpiece are usually required to be bored by a boring machine, so that the fine machining of the holes is realized.

The drill bit of the deep hole boring machine mainly adopts a machine-clamped drill bit, and a blade and a guide key of the drill bit are detachably arranged on a cutter body. When the blade and the guide key are installed, the tool tip of the blade of the drill needs to be aligned to the right center of the drill, and the central line surrounded by the plurality of guide keys on the circumference of the drill needs to be coaxial with the cutter body. The installation accuracy of the blade and the guide key on the cutter body directly influences the processing accuracy of the deep hole. However, in the existing processing workshop, whether the mounting positions of the blade and the guide key on the cutter body are accurate or not is judged completely by the technical experience of technicians, and the accuracy of the mounting positions of the blade and the guide key on the cutter body is difficult to ensure due to the difference of the technical experience of the technicians.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a correcting unit of deep hole boring machine drill bit for solve present in the workshop, whether blade and guide key mounted position on the cutter body are accurate relies on technical experience of technical staff completely and are judged, because technical staff's technical experience has the difference, hardly guarantee the problem of blade and guide key mounted position accuracy on the cutter body.

In order to solve the above problem, the embodiment of the utility model provides a correcting unit of deep hole boring machine drill bit, include: the base with set up the support on the base to and the dipperstick of being connected with the leg joint, the up end of base sets up positioning center and is located positioning center outlying limit structure, limit structure is used for making the axis of drill bit coincide with positioning center and makes the drill bit can be rotatory around the axis of drill bit, the dipperstick includes the measuring part, the dipperstick makes the measuring part change between first measuring position and second measuring position through the rotation.

The embodiment of the utility model provides a correcting unit of deep hole boring machine drill bit, through the up end location center and the limit structure of base, can guarantee that the drill bit is rotatory around the axis of drill bit, then through the relative position of comparison blade or guide key and measuring part, corrects blade and polylith guide key mounted position on the cutter body, and then guarantees the blade and the guide key at the accuracy of cutter body mounted position and the parallelism of many times correction, promotes the machining precision of deep hole. Simultaneously the embodiment of the utility model provides a correcting unit of deep hole boring machine drill bit simple structure. Convenient operation and low investment cost.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is a structural diagram of a correcting device of a deep hole boring machine drill according to an exemplary embodiment of the present invention;

FIG. 2 is a view of the correcting device of the deep-hole boring machine drill bit shown in FIG. 1 in a first measuring position;

fig. 3 is a diagram of the calibration device of the deep-hole boring machine drill bit shown in fig. 1 in a second measuring position.

Drawings

100-a correction device; 110-a base; 111-location center;

112-a limit structure; 113-a guide rail; 114-a first locking member;

120-a scaffold; 121-a support; 122-a slider;

123-a second locking member; 124-connecting plate; 130-measuring scale;

131-a rotating part; 132-a measuring section; 1321 — a first straight edge;

1322-a second straight edge; 200-a drill bit; 210-a cutter body;

220-a guide key; 230-blade.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The drill 200 of the deep hole boring machine mostly adopts a mechanical clamping drill, and the blade 230 and the guide key 220 of the drill 200 are detachably mounted on the cutter body 210. The insert 230 is used to bore a hole to be machined, and the guide key 220 provides a guide for the advancement of the cutter body 210. When the insert 230 and the guide key 220 are installed, the tip of the insert 230 of the drill 200 needs to be aligned with the center of the drill 200, and the center line of the plurality of guide keys 220 on the circumference of the cutter body 210 needs to be coaxial with the cutter body 210. However, in the actual mounting process, it is not guaranteed that the blade 230 and the guide key 220 are mounted in place at one time, and the mounting positions of the blade 230 and the guide key 220 need to be repeatedly corrected. The correction method adopted in the workshop is generally judged by visual inspection according to the technical test of the skilled worker, and the contrast reference lacks stability. Meanwhile, when the installation positions of the blade 230 and the guide key 220 are corrected, the cutter body 210 needs to be rotated, and the coaxiality of the rotation of the cutter body 210 needs to be ensured at this time.

In order to solve the problem that exists in the blade 230 and the guiding key 220 installation position correction process, the embodiment of the utility model provides a correcting unit 100 of deep hole boring machine drill bit, include: the measuring device comprises a base 110, a support 120 arranged on the base 110, and a measuring scale 130 rotatably connected with the support 120, wherein a positioning center 111 and a limiting structure 112 located at the periphery of the positioning center 111 are arranged on the upper end face of the base 110, the limiting structure 112 is used for enabling the axis of the drill bit 200 to coincide with the positioning center 111 and enabling the drill bit 200 to rotate around the axis of the drill bit 200, the measuring scale 130 comprises a measuring part 132, and the measuring scale 130 enables the measuring part 132 to be switched between a first measuring position and a second measuring position through rotation.

The embodiment of the utility model provides a correcting unit 100 of deep hole boring machine drill bit 200, through the up end location center 111 and the limit structure 112 of base 110, can guarantee that drill bit 200 rotates around the axis of cutter body 210, and then guarantee the rotatory axiality of cutter body 210; in the first measuring position and the second measuring position, the relative positions of the blade 230 or the guide key 220 and the measuring part 132 are compared, so that the installation positions of the blade 230 and the plurality of guide keys 220 on the cutter body 210 are corrected, and the stability of the comparison reference is further ensured. Through the embodiment of the utility model provides a correcting unit 100 of deep hole boring machine clamp drill bit can guarantee the accuracy of blade 230 and guide key 220 mounted position on cutter body 210 and the parallelism of many times correction, promotes the machining precision of deep hole. Simultaneously the embodiment of the utility model provides a correcting unit 100 of deep hole boring machine drill bit simple structure. Convenient operation and low investment cost.

The following describes in detail a correction device 100 for a deep hole boring machine drill according to an embodiment of the present invention, by way of example and accompanying drawings.

In an exemplary embodiment, the present invention provides a correcting device 100 for a deep hole boring machine drill bit, as shown in fig. 1, including: base 110 and set up support 120 on base 110 to and the dipperstick 130 of being connected with support 120 rotation, wherein:

the base 110 serves to fix the holder 120 and provide a stable environment for the alignment of the blade 230 and the guide key 220 of the drill bit 200. The upper end surface of the base 110 is provided with a positioning center 111 and a limiting structure 112 located at the periphery of the positioning center 111. When the installation positions of the blade 230 and the guide key 220 are corrected, the axis of the cutter body 210 coincides with the positioning center 111, and the limiting structure 112 is clamped on the periphery of the cutter body 210, so that the coaxial rotation of the cutter body 210 can be ensured. Specifically, as shown in fig. 1, the base 110 is cylindrical, the upper end surface of the base 110 is a plane, the positioning center 111 is located at the center of the upper end surface, three limiting blocks are arranged on the periphery of the positioning center 111, and the three limiting blocks form a limiting structure 112. The three limit blocks may be fixedly connected to the base 110, or may be slidably connected to the base 110. Optionally, the three stoppers are slidably connected to the base 110. The sliding direction of the limiting block passes through the positioning center 111, i.e. the positioning center 111 is located in the sliding direction of the limiting block. The spacing between the three limiting blocks and the positioning center 111 can be adjusted according to the outer diameter of the drill bit 200 and the cutter body 210 of the base 110 in a sliding connection manner, so that the application range of the correcting device 100 is widened. Optionally, the three limiting blocks can be linked simultaneously. In this embodiment, the base 110 and the limiting structure 112 may be a three-jaw chuck, three jaws of the three-jaw chuck form the limiting block, and the chuck forms the base 110. It should be noted that the base 110 may be a rectangular body, which is not limited herein. The number of the limiting blocks can be 3, 4 or 5, and the number of the limiting blocks is set according to actual requirements, and is not limited herein. In some embodiments, the limiting structure 112 may also be a cylindrical limiting groove, and the positioning center 111 is located at the bottom center of the positioning groove.

As shown in fig. 1, the support 120 is used for supporting the measuring tape 130, and the support 120 is disposed on the base 110 and located at the periphery of the positioning center 111. Specifically, the support 120 is perpendicular to the base 110, and the support 120 is parallel to a perpendicular line perpendicular to the upper end surface of the base 110 and passing through the positioning center 111. The bracket 120 may be fixedly connected to the base 110, or may be slidably connected to the base 110. In this embodiment, the base 110 is provided with a guide rail 113, the bracket 120 is provided with a slider engaged with the guide rail 113, the bracket 120 and the base 110 are slidably connected through the guide rail 113 and the slider, and the extending direction of the guide rail 113 passes through the positioning center 111. That is, the positioning center 111 is located in the extending direction of the guide rail 113. The sliding connection between the bracket 120 and the base 110 through the guide rail 113 and the sliding block can realize the adjustment of the distance between the bracket 120 and the positioning center 111 according to the outer diameter of the cutter body 210 of the drill bit 200, so as to adapt to drill bits 200 with different sizes. Optionally, the calibration device 100 further includes a first locking member 114 disposed on the bracket 120 and threadedly coupled to the bracket 120, wherein the first locking member 114 cooperates with the slider to lock the bracket 120 to the rail 113. In this embodiment, the first locking member 114 may be a lock nut, which is screwed with the bracket 120, and when the bracket 120 slides to a designated position of the guide rail 113, the lock nut and the slider are clamped to the guide rail 113 together by rotating the lock nut.

In this embodiment, as shown in fig. 1, the bracket 120 includes a supporting member 121, a sliding member 122 slidably connected to the supporting member 121, and a second locking member 123 disposed on the supporting member 121, the second locking member at least being used for limiting the sliding of the sliding member 122 toward the base 110. The supporting member 121 is perpendicular to the base 110, and the measuring ruler 130 is rotatably connected to the sliding member 122. Specifically, the supporting member 121 is a screw, the sliding member 122 is a collar sleeved on the supporting member 121, and the second locking member 123 is a limiting nut sleeved on the supporting member 121 and located at the lower end of the collar. Different heights of the drill bit 200 have been adapted by adjusting the position of the slider 122 on the support 121. Meanwhile, the measuring ruler 130 is slidably connected with the support 121 through the sliding member 122 to facilitate adjustment of the measuring position of the measuring part 132. Optionally, the bracket 120 further includes a connecting plate 124 connecting the measuring ruler 130 and the sliding member 122, and the measuring ruler 130 is rotatably connected to the connecting plate 124. It should be noted that, according to different implementation forms of the supporting member 121 and the sliding member 122, the second locking member 123 may not be provided, for example, the sliding member 122 and the supporting member 121 itself have a locking function, and is not limited herein.

As shown in fig. 1-3, the measuring tape 130 is rotatably coupled to the bracket 120, and the measuring portion 132 is movable between a first measuring position and a second measuring position when the measuring tape 130 is rotated. The first measuring position is a position for measuring the rotation roundness of the guide key 220 on the drill bit 200; the second measurement position is a position where it is measured whether the tip is aligned with the center of the drill 200. Specifically, as shown in fig. 1, the measuring ruler 130 includes a rotating part 131 and a measuring part 132, the rotating part 131 is provided with a through hole, and the rotating part 131 is rotatably connected to the bracket 120 through a rotating shaft passing through the through hole. One end of the measuring part 132 is connected to the rotating part 131, the other end is a free end, the measuring part 132 is approximately rectangular, the measuring part 132 includes a first straight edge 1321 and a second straight edge 1322, the first straight edge 1321 is used for measuring the rotation roundness of the guide key 220 on the drill 200 at a first measuring position, and the second straight edge 1322 is used for measuring whether the tip is aligned with the center of the drill 200 at a second measuring position. In the first measuring position, as shown in fig. 3, the first linear edge 1321 is parallel to the axis of the cutter body 210, the plurality of guide keys 220 form a virtual cylinder by rotating the cutter body 210, and by comparing the distance between the first linear edge 1321 and the wall of the virtual cylinder, it can be determined whether the roundness formed by the plurality of guide keys 220 meets the requirement, that is, whether the installation positions of the plurality of guide keys 220 are proper. As shown in fig. 2, in the second measurement position, the second straight edge 1322 is brought into contact with the inclined portion of the cutter body 210, and the size of the gap between the cutting edge and the first straight edge 1321 is determined.

The testing process of the correcting device 100 for the deep-hole boring machine drill bit provided by the embodiment is specifically as follows:

the method comprises the following steps: according to the size of the outer diameter of the drill bit 200, the distance between the limiting blocks and the positioning center 111 is adjusted, so that the drill bit 200 can be rotated and simultaneously just clamped in the area surrounded by the limiting blocks;

step two: placing the drill bit 200 on the base 110, rotating the dipperstick 130 such that the first linear edge 1321 is parallel to the axis of the cutter body 210, then sliding the holder 120, moving the dipperstick 130 to the first measuring position shown in fig. 3, and then locking the holder 120 by the first locking member 114;

step three: rotating the cutter body 210, determining whether the distances between the first linear edge 1321 and the plurality of guide keys 220 are consistent, that is, whether the roundness formed by the guide keys 220 meets the requirement when the cutter body 210 rotates, adjusting the installation position of the guide keys 220 or replacing the guide keys 220 appropriately if the distances between the first linear edge 1321 and the plurality of guide keys 220 are inconsistent, and performing the following steps if the distances between the first linear edge 1321 and the plurality of guide keys 220 are consistent:

step four: loosening the first locking member 114 and moving the bracket 120, rotating the measuring blade 130, positioning the second straight edge 1322 to the upper end of the drill bit 200, and then adjusting the position of the measuring blade 130 so that the second straight edge 1322 engages the inclined surface at the top of the cutter body 210, as shown in fig. 2. Further, the distance between the tip of the blade 230 and the second linear edge 1322 is observed, if the distance between the second linear edge 1322 and the tip is small or close to each other, it indicates that the tip is directly opposite to the center of the drill, otherwise, the installation position of the blade 230 needs to be adjusted, so that the distance between the second linear edge 1322 and the tip meets the installation requirement. The cutter body 210 is then rotated to align the next blade 230 disposed on the cutter body 210.

It should be noted that, the above steps are exemplary illustrations of the application manner of the correction device 100 for the deep-hole boring machine drill bit provided in the embodiment of the present invention, the correction step is not unique, and the present correction step is not a limiting illustration of the correction device 100 in this embodiment.

The embodiment of the utility model provides a correcting unit 100 of deep hole boring machine drill bit, through the up end location center 111 and the limit structure 112 of base 110, can guarantee that drill bit 200 is rotatory around the axis of drill bit 200, then at first measuring position and second measuring position, through the relative position of measuring part 132 and blade 230 and guide key 220, rectify blade 230 and polylith guide key 220 mounted position on cutter body 210, and then guarantee the accuracy of blade 230 and guide key 220 at cutter body 210 mounted position and the parallel nature of many times correction, promote the machining precision of deep hole. Simultaneously the embodiment of the utility model provides a deep hole boring machine drill bit 200's correcting unit 100 simple structure, convenient operation and the input cost is low.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The correcting device for the drill bit of the deep hole boring machine is characterized by comprising the following components: the base with set up the support on the base to and the dipperstick of being connected with the leg joint, the up end of base sets up positioning center and is located positioning center outlying limit structure, limit structure is used for making the axis of drill bit coincide with positioning center and makes the drill bit can be rotatory around the axis of drill bit, the dipperstick includes the measuring part, the dipperstick makes the measuring part change between first measuring position and second measuring position through the rotation.

2. The correction device according to claim 1, characterized in that: the first measuring position is a position for measuring the rotation roundness of a guide key on the drill bit; the second measuring position is a position for measuring whether the tool nose is aligned with the center of the drill bit.

3. The correction device according to claim 1, characterized in that: the support is perpendicular to the base, and the support is parallel to a straight line which passes through the positioning center and is perpendicular to the upper end face of the base.

4. The correction device according to claim 3, characterized in that: the base is provided with a guide rail, the support is provided with a sliding block matched with the guide rail, the support is in sliding connection with the base through the guide rail and the sliding block, and the extending direction of the guide rail penetrates through the positioning center.

5. The correction device according to claim 4, characterized in that: the locking device is characterized by further comprising a first locking piece sleeved on the support and in threaded connection with the support, and the first locking piece is matched with the sliding block to enable the support to be locked on the guide rail.

6. The correction device according to claim 3, characterized in that: the support includes support piece and with support piece sliding connection's slider, support piece perpendicular to the base, the dipperstick with slider swivelling joint.

7. The correction device according to claim 6, characterized in that: the support comprises a second locking piece arranged on the support piece, and the second locking piece is at least used for limiting the sliding of the sliding piece to the direction close to the base.

8. The correction device according to any one of claims 1 to 7, characterized in that: the limiting structure is a cylindrical limiting groove, and the positioning center is positioned at the center of the bottom of the positioning groove;

or the limiting structures are a plurality of limiting blocks, and the limiting blocks are arranged on the periphery of the positioning center.

9. The correction device according to claim 8, characterized in that: when the limiting structure is a limiting block, the limiting block is connected with the base in a sliding mode, and the sliding direction of the limiting block penetrates through the positioning center.

10. The correction device according to claim 2, characterized in that: the measuring part comprises a first straight line edge and a second straight line edge which are parallel, the first straight line part is used for measuring the rotation roundness of the guide key on the drill bit at a first measuring position, and the second straight line part is used for measuring whether the tool nose is aligned with the center of the drill bit at a second measuring position.

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