CN215201000U

CN215201000U - Precise length presetting device for stepped drill bit

Info

Publication number: CN215201000U
Application number: CN202121297581.1U
Authority: CN
Inventors: 谭成魁; 宫业洪; 齐伟; 张志超; 葛明玖
Original assignee: Panasonic Appliances Compressor Dalian Co Ltd
Current assignee: Bingshan Songyang Compressor Dalian Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-17
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses an accurate presetting device of ladder drill bit length, the on-line screen storage device comprises a base, be fixed with four spinal branch vaulting poles on the base, four spinal branch vaulting pole upper ends are fixed with the bottom plate, the handle of a knife mount pad is installed to bottom plate one side top, correspond handle of a knife mount pad below and install sword length adjustment swing arm mechanism, the support column is installed to the bottom plate opposite side, the axle sleeve is installed to the support column upper end, the axle sleeve upper end is fixed with the table mounting panel, the table mounting panel is installed high adjusting bolt in axle sleeve top position, the table mounting panel other end corresponds handle of a knife mount pad position and installs the percentage table, a benchmark piece has been placed to table mounting panel top. The utility model realizes the quick and accurate adjustment of the length of the stepped drill bit by visualizing the length adjustment of the stepped drill bit, and avoids the bad adjustment of the length of the cutter caused by the different force of the cutter propping stopper and the cutter movement in the locking process of the cutter handle; the labor hour of the personnel is reduced, and the product quality is improved.

Description

Precise length presetting device for stepped drill bit

Technical Field

The utility model relates to a machining cutter length preset device particularly, especially relates to an accurate preset device of ladder drill bit length.

Background

At present, the cutter length quick presetting device of some hole machining equipment is mainly of a fixed length type, and a cutter length limiting part on the device is a limiting block with a well-adjusted height. After the cutter is installed, the cutter point is propped against the limiting block, and then the cutter handle is locked to complete cutter pre-adjustment. The cutter point tightening force is different or the cutter handle slightly moves when being clamped, so that the cutter preset length is not proper, and finally, poor machining is caused.

Disclosure of Invention

According to the technical problem provided by the invention, a device for accurately presetting the length of the stepped drill bit is provided.

The utility model discloses a technical means as follows:

a step drill length fine presetting device, comprising: a base seat is arranged on the base seat,

the device comprises a base, a bottom plate, a knife handle mounting seat and a knife length adjusting rotary rod mechanism;

the bottom plate is fixed above the base through a support rod;

the tool holder mounting seat is mounted in a tool adjusting area of the bottom plate, and an inner hole of the tool holder mounting seat is designed according to a tool holder to be mounted;

the cutter length adjusting rotary rod mechanism is arranged below the cutter handle mounting seat and is used for adjusting the lifting of the cutter;

the above-mentioned sword length adjustment swing arm mechanism includes: the rotary rod mounting seat is fixed on the bottom plate, and the rotary rod is mounted in the center of the rotary rod mounting seat;

a support column is arranged on the other side of the bottom plate corresponding to the knife handle mounting seat, and the lower end of the support column is connected with the bottom plate through a bolt; the upper end of the support column is provided with a shaft sleeve;

the inner hole of the shaft sleeve is matched with the excircle of the upper end of the support column, a certain gap is reserved between the inner hole of the shaft sleeve and the excircle of the upper end of the support column, the shaft sleeve can rotate on the support column, and a meter mounting plate is fixed at the upper end of the shaft sleeve;

the meter mounting plate is provided with a height adjusting bolt above the shaft sleeve, the lower end of the height adjusting bolt is of a ball head structure and abuts against the end surface of the upper end of the support column;

the other end of the meter mounting plate is provided with a dial indicator corresponding to the position of the knife handle mounting plate, and a reference block is placed above the meter mounting plate and is connected with the meter mounting plate through an iron chain.

Furthermore, the measuring range of the dial indicator is 0-10mm, and the measuring head is in the form of a ball head.

Further, the watch mounting plate can rotate around the support column through the shaft sleeve.

Furthermore, the rotary rod can be stretched in the vertical direction, and a spring in the rotary rod mounting seat can reset the rotary rod; the upper end of the rotating rod is hexagonal.

In the use state: and installing the tool shank which is installed with the tool and is not locked on the tool shank installing seat of the device. The rotating rod of the rotating rod mechanism is adjusted by twisting the cutter length until the hexagonal head of the rotating rod is inserted into the hexagonal hole in the cutter handle. And sleeving the reference block at the tool point of the stepped drill bit, and rotating the meter mounting plate until the ball head of the dial indicator presses the center of the reference block. The rotating rod is twisted, and the cutter can be lifted along with the forward and reverse twisting of the rotating rod. The dial indicator can also change along with the change of the length of the cutter, the dial indicator stops twisting when the reading of the dial indicator reaches a preset numerical value, the cutter handle is locked by a wrench, and after the condition that the reading is qualified after locking is confirmed, the cutter preset is finished.

The utility model has the advantages of it is following:

1. through changing the original long type of the limiting cutter in hard contact with the limiting block into a dial indicator measurement mode, the visual adjustment of the cutter length is realized, the unqualified cutter preset length caused by the operation problem is avoided, the operation time is reduced, and the adjustment precision is improved.

2. Through the configuration of the cutter length adjusting rotary rod mechanism, the cutter length adjustment of the cutter handle on the presetting device after installation is realized, and the time for repeatedly dismounting and mounting the cutter handle to adjust the cutter length is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a front view of a device for precisely presetting the length of a stepped drill bit according to an embodiment of the present invention.

In the figure: 1. a base; 2. a support bar; 3. a base plate; 4. a knife handle mounting seat; 5. a knife length adjusting rotary rod mechanism; 6. a support pillar; 7. a shaft sleeve; 8. a meter mounting plate; 9. a height adjustment bolt; 10. a dial indicator; 11. a reference block.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in 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 only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in figure 1, the device for accurately presetting the length of the stepped drill bit comprises a base 1, four support rods 2 are fixed on the base 1, a bottom plate 3 is fixed at the upper ends of the four support rods 2, a knife handle mounting seat 4 is installed above one side of the bottom plate 3, a knife length adjusting rotary rod mechanism 5 is installed below the corresponding knife handle mounting seat 4, a support column 6 is installed on the other side of the bottom plate 3, a shaft sleeve 7 is installed at the upper end of the support column 6, a meter mounting plate 8 is fixed at the upper end of the shaft sleeve 7, a height adjusting bolt 9 is installed at the position above the shaft sleeve 7 by the meter mounting plate 8, a dial indicator 10 is installed at the other end of the meter mounting plate 8 corresponding to the position of the knife handle mounting seat 4, and a reference block 11 is placed above the meter mounting plate 8 and close to one side of the dial indicator 10.

In the use state: and (3) installing the tool shank which is installed with the tool and is not locked on the tool shank installing seat 4 of the device. And twisting the rotating rod of the rotating rod mechanism 5 for adjusting the blade length until the hexagonal head of the rotating rod is inserted into the hexagonal hole in the knife handle. And sleeving a reference block 11 (a round hole for the tool tip to extend into is machined in the center) at the tool tip of the stepped drill, and rotating the dial indicator mounting plate 8 until the ball head of the dial indicator 10 is pressed to the center of the reference block. The rotating rod is twisted, and the cutter can be lifted along with the forward and reverse twisting of the rotating rod. At this moment, the dial indicator 10 can also change along with the change of the length of the cutter, the dial indicator stops twisting when the reading of the dial indicator reaches a preset numerical value, the cutter handle is locked by a wrench, and after the reading is qualified after the locking is confirmed, the cutter presetting is completed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a device is transferred in advance to ladder drill bit length accuracy which characterized in that includes:

the bottom plate is fixed above the base through a support rod;

the knife length adjusting rotary rod mechanism comprises: the rotary rod mounting seat is fixed on the bottom plate, and the rotary rod is mounted in the center of the rotary rod mounting seat;

the other end of the meter mounting plate is provided with a dial indicator corresponding to the position of the knife handle mounting plate, a reference block is placed above the meter mounting plate and is connected with the meter mounting plate through an iron chain.

2. The precise length presetting device for the stepped drill bit as claimed in claim 1, characterized in that: the measuring range of the dial indicator is 0-10mm, and the measuring head is in the form of a ball head.

3. The precise length presetting device for the stepped drill bit as claimed in claim 1, characterized in that: the meter mounting plate can rotate around the support column through the shaft sleeve.

4. The device for precisely presetting the length of the stepped drill bit according to any one of claims 1 to 3, wherein: the rotary rod can be stretched in the vertical direction, and the spring in the rotary rod mounting seat can reset the rotary rod; the upper end of the rotating rod is hexagonal.