Automatic drilling tool of numerical control machining center

By introducing a clamping and positioning part into the automatic drilling fixture of the CNC machining center, combined with the air pump drive and the friction of the rubber pad, the loosening problem of elevator metal parts during drilling is solved, achieving high-precision and stable drilling processing, and adapting to the processing needs of metal blocks of different specifications.

CN223947343UActive Publication Date: 2026-02-27GUANGZHOU KANGQING METAL CO LTD
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Patent Information

Application Number
CN202520644739.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-02-27
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

When the existing automatic drilling fixture of the CNC machining center is drilling, the metal parts of the elevator are prone to loosening or displacement due to cutting force and vibration, which affects the processing quality and poses a safety hazard.

Method used

An automatic drilling fixture including a clamping part and a positioning part was designed. The clamping arm is driven by an air pump to clamp the metal block. The friction is increased by the rubber pad. The adjustable placement plate and the slide structure can adapt to metal blocks of different specifications to ensure the stability of the fixation.

Benefits of technology

It effectively prevents metal blocks from shifting due to cutting forces during drilling, ensuring drilling accuracy. It is suitable for processing metal blocks of different specifications, reducing the risk of chip accumulation and extending fixture life.

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Abstract

The utility model relates to the technical field of elevator accessory machining, in particular to an automatic drilling tool of a numerical control machining center, which comprises a bottom plate and a shell, two slideways are arranged on the shell on one sides of two placing plates, the slideways are arranged on two sides of the shell, clamping parts in sliding connection are arranged in the slideways, and handles are arranged on the clamping parts. An L-shaped clamping arm is arranged at one end of the handle, a moving groove is formed in the other end of the handle, an air pump for driving the handle is arranged at one end of the moving groove of the handle, and through the arrangement of the clamping part and the positioning part on the shell, when the automatic drilling tool drills a metal block, the air pump drives the handle to enable the clamping arm to press downwards to clamp the metal block; the bolt of the positioning part is matched with the fixing plate and the rubber pad which are rotationally installed, the contact angle is flexibly adjusted according to the surface condition of the metal block, friction force is increased by means of the rubber pad, displacement of the metal block due to cutting force during drilling is avoided, and the problem that in the prior art, elevator accessories are displaced during drilling through a drilling tool is solved through the technical scheme.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator accessory processing technical field, concretely relates to a numerical control machining center automatic drilling frock. BACKGROUND

[0002] Numerical control machining center automatic drilling frock is in the field of machining, and numerical control machining center is widely used in various elevator part processing owing to the characteristics of high precision and high efficiency, and the various metal parts of the elevator need to drill a plurality of high-precision mounting and positioning holes on the surface of the accessory, and the automatic drilling frock can efficiently process the elevator metal accessory owing to high speed and stable system, ensure the size precision and position precision of drilling, satisfy the quality standard of the part, and simultaneously, the frock can quickly adjust processing parameters according to transmission parts of different specifications, realize diversified production.

[0003] In the prior art, when the drilling frock drills the elevator metal accessory, the metal accessory is subjected to external force such as cutting force and vibration, is easy to loosen or displace, thereby affecting the processing quality, and even causing safety accidents, and long-time vibration also causes the loosening of the parts of the clamping device, reduces the stability of fixation and is difficult to satisfy the requirements of modern large-scale production on precision and efficiency. UTILITY MODEL CONTENT

[0004] PROBLEMS SOLVED BY THE INVENTION

[0005] In view of the above-mentioned defects in the prior art, the utility model provides a numerical control machining center automatic drilling frock, which can effectively solve the problem of displacement of the elevator accessory when the drilling frock drills in the prior art.

[0006] TECHNICAL SCHEME

[0007] To achieve the above object, the utility model realizes the following technical scheme:

[0008] The utility model provides a numerical control machining center automatic drilling frock, including bottom plate and shell, one side of the shell is equipped with the limit board, one side of limit board is equipped with two placing plates of sliding installation, be equipped with the metal block on the placing plate,

[0009] Two placing plates one side of the shell are equipped with two slides, the slide is arranged at both sides of the shell, the slide is equipped with the clamping part of sliding connection, the clamping part is equipped with the handle, one end of the handle is equipped with the L-shaped clamping arm, the other end of the handle is equipped with the moving groove, one end of the handle moving groove is equipped with the air pump of driving handle.

[0010] Further, the end of the clamping arm away from the handle is provided with a positioning part for screwing the metal block, the positioning part is provided with a rotatingly connected circular fixing plate near the end of the placing plate, and the fixing plate is provided with a rubber pad on the side near the placing plate.

[0011] Further, the shell is provided with a plurality of first through holes on the side near the two placing plates on the two sides of the shell, and the two sides of the shell are provided with two sliding grooves between the plurality of first through holes.

[0012] Further, the two placing plates are provided with a plurality of second through holes, the second through holes are matched with the first through holes in position, and the side of the placing plate near the shell is provided with a sliding block in sliding connection with the sliding groove.

[0013] Further, the middle of the shell is provided with a rectangular recess near the limiting plate, and the recess is arranged between the two placing plates.

[0014] Further, the two sides of the shell are provided with inclined collecting grooves, the collecting grooves are arranged below the first through holes and the second through holes, and the collecting grooves are in communication with the recess on one side to form a triangle.

[0015] Beneficial effects

[0016] Compared with the known prior art, the technical scheme provided by the utility model has the following beneficial effects:

[0017] The utility model discloses a setting of the clamping part and the positioning part on the shell, when the automatic drilling tool is used for drilling the metal block, the handle is driven by the air pump, the clamping arm is pressed down, the metal block is clamped, the bolt of the positioning part is matched with the circular fixing plate and the rubber pad, the contact angle is adjusted flexibly according to the surface condition of the metal block, the friction force is increased by the rubber pad, the displacement of the metal block is avoided when drilling due to the cutting force, the surface of the metal block is prevented from being scratched, the high precision of drilling is ensured, the setting of the placing plate and the sliding groove makes the placing plate slide in the sliding groove and move to the two sides of the shell, the interval can be adjusted flexibly according to the size of the metal block, when the clamping part and the positioning part are used for fixing the metal block, the clamping can be suitable for metal blocks of different specifications. DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 This is a partial structural schematic diagram of the present invention;

[0021] Figure 3 This is a partial disassembled structural diagram of the present invention;

[0022] Figure 4 This is a partial structural cross-sectional view of the present invention.

[0023] The labels in the diagram represent: 1. Base plate; 11. Air pump; 12. Limiting plate; 13. Metal block; 2. Housing; 201. Slide rail; 202. Slide groove; 203. Groove; 204. Collection groove; 205. First through hole; 3. Clamping part; 31. Handle; 3101. Moving groove; 32. Clamping arm; 4. Positioning part; 41. Fixing plate; 42. Rubber pad; 5. Placement plate; 51. Slider; 501. Second through hole. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0025] The present invention will be further described below with reference to the embodiments.

[0026] Example: An automatic drilling fixture for a CNC machining center, such as Figures 1-4 As shown, it includes a base plate 1 and a housing 2. A limiting plate 12 is provided on one side of the housing 2, and two slidingly mounted placement plates 5 are provided on one side of the limiting plate 12. A metal block 13 is provided on the placement plate 5.

[0027] The two placement plates 5 are provided with two slide tracks 201 on one side of the shell 2, the slide tracks 201 are arranged on the two sides of the shell 2, the slide tracks 201 are provided with clamping parts 3 connected in sliding mode, the clamping parts 3 are provided with handles 31, one end of the handle 31 is provided with an L-shaped clamping arm 32, the other end of the handle 31 is provided with a moving groove 3101, one end of the handle 31 moving groove 3101 is provided with a gas pump 11 driving the handle 31, through the arrangement of the clamping parts 3 and the positioning parts 4 on the shell 2, when the automatic drilling tool drills the metal block 13, the gas pump 11 drives the handle 31, the clamping arm 32 is pressed down to clamp the metal block 13, the bolt cooperates with the circular fixing plate 41 and the rubber pad 42 of the positioning part 4, which can be flexibly adjusted according to the surface condition of the metal block 13, relies on the rubber pad 42 to increase the friction, avoids the displacement of the metal block 13 due to the cutting force when drilling, prevents scratching the surface of the metal block 13, and ensures the high precision of drilling.

[0028] Further, one end of the clamping arm 32 away from the handle 31 is provided with a positioning part 4 for bolt fixing of the metal block 13, one end of the positioning part 4 close to the placement plate 5 is provided with a circular fixing plate 41 connected in rotation mode, one side of the fixing plate 41 close to the placement plate 5 is provided with a rubber pad 42.

[0029] Further, the shell 2 is provided with a plurality of first through holes 205, the first through holes 205 are arranged on the two sides of the shell 2 close to one side of the two placement plates 5, two slide grooves 202 are arranged between the plurality of first through holes 205 on the two sides of the shell 2, through the arrangement of the placement plates 5 and the slide grooves 202, the placement plates 5 slide in the slide grooves 202 and move to the two sides of the shell 2 during the working process of the automatic drilling tool, the distance can be flexibly adjusted according to the size of the metal block 13, so that the clamping parts 3 and the positioning parts 4 can be suitable for clamping metal blocks 13 of different specifications when fixing the metal block 13.

[0030] Further, the two placement plates 5 are provided with a plurality of second through holes 501, the second through holes 501 are matched with the first through holes 205, one side of the placement plate 5 close to the shell 2 is provided with a sliding block 51 connected in sliding mode with the slide groove 202, through the arrangement of the first through holes 205 and the second through holes 501, the first through holes 205 designed on the shell 2 and the second through holes 501 on the placement plate 5 are matched with each other during the working process of the drilling tool, the debris generated during drilling falls on the collecting groove 204 through these through holes, the working area is kept clean, and the interference of the debris on the processing process is reduced.

[0031] Further, the middle part of the shell 2 close to one end of the limiting plate 12 is provided with a rectangular recess 203, and the recess 203 is arranged between the two placement plates 5.

[0032] Further, the two sides of the shell 2 are provided with inclined collection grooves 204, which are arranged below the first through hole 205 and the second through hole 501, and one side of the collection groove 204 is communicated with the groove 203 in a triangular shape. Through the arrangement of the collection groove 204 and the groove 203, the drill tool is inclined during the working process, and the bottom of the groove 203 is communicated with the collection groove 204, so that the metal scraps in the groove 203 can fall on the two sides of the shell 2 through the inclined collection groove 204, which is convenient for centralized cleaning, reduces the risk of clamp failure caused by scrap accumulation, and prolongs the service life of the clamp.

[0033] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A numerical control machining center automatic drilling tooling apparatus, characterized by, Include: The bottom plate (1) and the shell (2), one side of the shell (2) is equipped with a limit plate (12), one side of the limit plate (12) is equipped with two sliding installation placement plates (5), the placement plate (5) is equipped with a metal block (13); The shell (2) on one side of the two placement plates (5) is equipped with two slides (201), the slide (201) is arranged on both sides of the shell (2), the slide (201) is equipped with a clamping part (3) connected slidingly, the clamping part (3) is equipped with a handle (31), one end of the handle (31) is equipped with an L-shaped clamping arm (32), the other end of the handle (31) is equipped with a moving groove (3101), one end of the handle (31) moving groove (3101) is equipped with a gas pump (11) driving the handle (31).

2. The automatic drilling tooling for CNC machining center according to claim 1, characterized in that, The end of the clamping arm (32) away from the handle (31) is equipped with a positioning part (4) for bolt fixing of the metal block (13), the end of the positioning part (4) close to the placement plate (5) is equipped with a rotatingly connected circular fixing plate (41), one side of the fixing plate (41) close to the placement plate (5) is equipped with a rubber pad (42).

3. The automatic drilling tooling for CNC machining center according to claim 1, characterized in that, The shell (2) is equipped with a plurality of first through holes (205), the first through hole (205) is arranged on the side of the shell (2) close to the two placement plates (5), the shell (2) is equipped with two sliding grooves (202) between the plurality of first through holes (205) on both sides.

4. The automatic drilling tooling for CNC machining center according to claim 3, characterized in that, The two placement plates (5) are each equipped with a plurality of second through holes (501), the second through hole (501) is matched with the first through hole (205) in position, one side of the placement plate (5) close to the shell (2) is equipped with a sliding block (51) slidingly connected with the sliding groove (202).

5. The automatic drilling tool of the numerical control machining center according to claim 4, characterized in that, The middle of the shell (2) close to one end of the limit plate (12) is equipped with a rectangular recess (203), the recess (203) is arranged between the two placement plates (5).

6. The automatic drilling tool of the numerical control machining center according to claim 5, characterized in that, Both sides of the shell (2) are equipped with an inclined collection groove (204), the collection groove (204) is arranged below the first through hole (205) and the second through hole (501), one side of the collection groove (204) is communicated with the recess (203) to form a triangle.