CN214537693U

CN214537693U - Cutter drill point length measuring device

Info

Publication number: CN214537693U
Application number: CN202122029412.6U
Authority: CN
Inventors: 黄永华; 赵国强
Original assignee: Shandong Vocational College of Science and Technology
Current assignee: Yulin Mingshuoheng Surveying And Mapping Engineering Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2021-10-29
Anticipated expiration: 2031-08-26

Abstract

The utility model is suitable for a cutter measurement technical field provides a cutter drill point length measuring device, including the base, the base includes vertical section and horizontal segment, is equipped with the spout in the vertical section, sliding connection support in the spout, is equipped with the slide pin on the support, is equipped with the cutter standing groove in the horizontal segment, is equipped with fixed subassembly in the cutter standing groove; the sliding needle comprises a pointer, and a chamfer part and a limiting part are arranged at the bottom end of the pointer. Therefore, the utility model discloses construct simply, convenient to use can make the flexibility and the convenience that increase measuring device, can fix a position the shoulder of a knife of drill bit, makes the measurement location accurate, makes accurate measuring drill point length.

Description

Cutter drill point length measuring device

Technical Field

The utility model relates to a cutter measures technical field, especially relates to a cutter drill point length measurement device.

Background

Various mechanical devices in industrial production have holes with different specifications, various types of drill bits such as twist drills, flat drills, center drills, deep hole drills and the like are often used in the machining of the holes, and in order to meet the machining requirements of the holes, the machining depth of the holes needs to be strictly controlled. For this reason, the drill tip length of the drill needs to be accurately measured.

The length of the drill point is the projection length of the drill shoulder to the vertex of the drill point on the central line, and the drill shoulder is the joint position of the standard diameter of the drill near the drill point.

On one hand, the existing common measuring tool can only roughly measure the length of the drill tip along the conical surface of the drill tip, so that the length of the drill tip cannot be accurately measured; on the other hand, the measurement datum point is not easy to fix during measurement, so that the measurement result has large fluctuation and poor measurement precision; on one hand, the existing special cutter adjusting instrument needs to install a cutter on a cutter handle to measure the drill tip length of a drill bit, so that the operation process is complicated and quick measurement is inconvenient; on the other hand, the knife adjusting instrument is expensive, so that the equipment investment is large and the use cost is high.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To foretell defect, an object of the utility model is to provide a cutter drill point length measuring device, its simple structure, convenient to use can make flexibility and the convenience that increases measuring device, can fix a position the shoulder of a knife of drill bit, makes the measurement location accurate, makes accurate measuring drill point length.

In order to achieve the purpose, the utility model provides a cutter drill point length measuring device, which comprises a base, wherein the base comprises a vertical section and a horizontal section, a chute is arranged in the vertical section, a bracket is slidably connected in the chute, a sliding needle is arranged on the bracket, a cutter placing groove is arranged in the horizontal section, and a fixing component is arranged in the cutter placing groove; the sliding needle comprises a pointer, and a chamfer part and a limiting part are arranged at the bottom end of the pointer.

According to the utility model discloses a cutter drill point length measuring device, the support include sliding connection be in bracing piece in the spout, one side of bracing piece is equipped with the reference surface, is equipped with reference surface one side the scale that the top rigid coupling level of bracing piece set up, the lower part of scale be equipped with the parallel slide bar of scale, sliding connection on the slide bar the sliding pin.

According to the utility model discloses a cutter drill point length measurement device, the pointer slides and cup joints on the slide bar, one side of pointer is equipped with the datum line.

According to the utility model discloses a cutter drill point length measurement device, chamfer is the right trapezoid that the hypotenuse is located the bottom, the inclination and the cutter shoulder of hypotenuse cooperate, short base with the datum line is located same vertical line.

According to the utility model discloses a cutter drill point length measurement device, spacing portion with the short bottom of chamfer portion is connected.

According to the utility model discloses a cutter drill point length measurement device, fixed subassembly includes the rigid coupling and is in the fixed plate of cutter standing groove tail end, the lead screw is worn to establish at the middle part of fixed plate, the lead screw is located one end in the cutter standing groove is rotated and is connected the limiting plate.

The utility model aims at providing a cutter drill point length measuring device, which can move horizontally and vertically by arranging a base and a bracket, thereby increasing the flexibility and convenience of the measuring device; through setting up the sliding needle, can fix a position the shoulder of a knife of drill bit, can prevent to measure the extreme point and exceed the shoulder of a knife in the measurement process, make and measure the location accurate, make the accurate measurement of measuring drill point length. To sum up, the utility model has the advantages that: simple structure, the design is reliable, can make measuring device carry out the removal of level and vertical direction, has increased measuring device's flexibility and convenience, can fix a position the shoulder of a knife of drill bit, can prevent to measure the extreme point and exceed the shoulder of a knife in the measurement process, makes to measure the location accurate, makes accurate measuring drill point length.

Drawings

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic view of a base structure; FIG. 3 is a schematic view of a stent structure; FIG. 4 is a schematic view of a slider pin configuration; FIG. 5 is a schematic view of a securing assembly; FIG. 6 is a schematic view of the structure of the working state of the present invention; in the figure: 1-base, 11-sliding groove, 12-cutter placing groove, 21-supporting rod, 22-reference surface, 23-graduated scale, 24-sliding rod, 3-sliding needle, 31-pointer, 311-reference line, 32-limiting part, 33-chamfering part, 4-fixing component, 41-fixing plate, 42-screw rod and 43-limiting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and 2, the utility model provides a cutter drill point length measuring device, including base 1, base 1 includes vertical section and horizontal segment, is equipped with spout 11 in the vertical section, sliding connection support in the spout 11 is equipped with smooth needle 3 on the support, is equipped with cutter standing groove 12 in the horizontal segment, is equipped with fixed subassembly 4 in the cutter standing groove 12.

Referring to fig. 3, the support includes a support rod 21 slidably connected in the chute 11, one side of the support rod 21 is provided with a reference surface 22, the top of the support rod 21 on the side provided with the reference surface 22 is fixedly connected with a scale 23 horizontally arranged, the lower part of the scale 23 is provided with a slide rod 24 parallel to the scale 23, the slide rod 24 is fixedly connected on the support rod 21, the support rod 21 can drive the scale 23 and the slide rod 24 to move up and down along the chute 11, and the slide rod 23 is slidably connected with the slide needle 3.

Referring to fig. 4, the sliding pin 3 includes a pointer 31, the pointer 31 is slidably sleeved on the sliding rod 24, a datum line 311 is arranged on one side of the pointer 31, the position of the datum line 311 on the scale 23 is used as the standard during reading, an integrally formed chamfer part 33 and a limiting part 32 are arranged at the bottom end of the pointer 31, the chamfer part 33 is a right trapezoid with a bevel edge at the bottom, the inclination angle of the bevel edge is matched with the tool shoulder, the short bottom edge and the datum line 311 are located on the same vertical line, and a chamfer opening formed by the bevel edge, the short bottom edge and the limiting part 32 is used for positioning the tool shoulder of the drill bit. The limiting part 32 is connected with the short bottom edge of the chamfering part 33, and the limiting part 32 is used for limiting the cutter body in the vertical direction and is matched with the fixing component 4 to enable the cutter to be completely fixed in the cutter placing groove 12.

The support can drive slide needle 3 and reciprocate to can measure the cutter of multiple size, thereby improve the convenience and the flexibility of device.

Referring to fig. 5, fixed subassembly 4 includes the fixed plate 41 of rigid coupling at cutter holding groove 12 tail end, and lead screw 42 is worn to establish at the middle part of fixed plate 41, can accommodate the length of lead screw 42 in cutter holding groove 12 through rotating lead screw 42, and the one end that lead screw 42 is located cutter holding groove 12 rotates connects limiting plate 43, and lead screw 42 can drive limiting plate 43 and slide in cutter holding groove 12, but limiting plate 43 does not rotate, the utility model discloses in, be equipped with the bearing between lead screw 42 and the limiting plate 43, limiting plate 43 does not rotate when making lead screw 42 rotate. During operation, place the cutter in cutter standing groove 12, rotate lead screw 42 and drive limiting plate 43 and to the cutter motion, until limiting plate 43 butt cutter, make the cutter can not rotate and remove about, be convenient for to the measurement of cutter drill point length on the one hand, on the other hand improves measurement accuracy.

The utility model discloses a theory of operation does: referring to fig. 1 to 6, a cutter is placed in the cutter placing groove 12, the tip end of a drill bit is abutted to the reference surface 22, the screw rod 42 is rotated to drive the limiting plate 43 to move towards the cutter until the limiting plate 43 is abutted to the cutter, the cutter cannot rotate and move left and right, the sliding needle 3 is slid to enable the chamfer 33 to be abutted to the reference surface 22, the reading of the reference line 311 on the scale is a fixed reading b, the sliding support rod 21 enables the support to slide downwards integrally until the limiting plate 32 is abutted to the cutter, then the sliding needle 31 is slid until the short bottom edge of the chamfer 33 on the same vertical line with the reference line 311 and the shoulder of the cutter are located on the same vertical line, the reading on the scale is a, namely the sum of the lengths of the a and the b is the same as the length L of the drill tip.

In summary, the utility model can move the measuring device in the horizontal and vertical directions by arranging the base and the bracket, thereby increasing the flexibility and convenience of the measuring device; through setting up the sliding needle, can fix a position the shoulder of a knife of drill bit, can prevent to measure the extreme point and exceed the shoulder of a knife in the measurement process, make and measure the location accurate, make the accurate measurement of measuring drill point length. The utility model has the advantages that: simple structure, the design is reliable, can make measuring device carry out the removal of level and vertical direction, has increased measuring device's flexibility and convenience, can fix a position the shoulder of a knife of drill bit, can prevent to measure the extreme point and exceed the shoulder of a knife in the measurement process, makes to measure the location accurate, makes accurate measuring drill point length.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. The cutter drill point length measuring device is characterized by comprising a base, wherein the base comprises a vertical section and a horizontal section, a sliding groove is formed in the vertical section, a support is connected in the sliding groove in a sliding mode, a sliding needle is arranged on the support, a cutter placing groove is formed in the horizontal section, and a fixing assembly is arranged in the cutter placing groove;

the sliding needle comprises a pointer, and a chamfer part and a limiting part are arranged at the bottom end of the pointer.

2. The device for measuring the drill tip length of the cutter according to claim 1, wherein the support comprises a support rod slidably connected in the sliding groove, one side of the support rod is provided with a reference surface, the top of the support rod, which is provided with the reference surface, is fixedly connected with a horizontally arranged scale, the lower part of the scale is provided with a slide rod parallel to the scale, and the slide rod is slidably connected with the slide needle.

3. The device for measuring the drill tip length of the cutter as claimed in claim 2, wherein the pointer is slidably sleeved on the slide rod, and a reference line is arranged on one side of the pointer.

4. The tool bit tip length measuring device of claim 3, wherein the chamfer is a right trapezoid with a bevel at the bottom, the bevel is inclined at an angle matched with the tool shoulder, and the short base line is on the same vertical line with the reference line.

5. The tool bit length measuring device of claim 4, wherein the stop portion is connected to the short bottom edge of the chamfered portion.

6. The device for measuring the drill tip length of the cutter according to claim 1, wherein the fixing component comprises a fixing plate fixedly connected to the tail end of the cutter placing groove, a screw rod is arranged in the middle of the fixing plate in a penetrating mode, and one end, located in the cutter placing groove, of the screw rod is rotatably connected with the limiting plate.