Protective structure for metal part drilling

By using a lifting cylinder to drive the mounting base and drill bit to move, combined with the gravity sliding of the protective cylinder structure, the problems of complex installation and inconvenient drill bit replacement in existing metal drilling protection structures are solved, achieving a simple and safe drilling protection effect.

CN223670806UActive Publication Date: 2025-12-16ZHONGSHAN HUAMI AUTO PARTS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520069952.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-16
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing metal drilling protection structures are complex to install and require overcoming the tension of the tension spring when changing drill bits, making them inconvenient to use.

Method used

The device uses a lifting cylinder to move the mounting base and drill bit, and uses the weight of the protective cylinder structure to slide down and abut against the frame to achieve protection. The structure is simple and easy to install and disassemble.

Benefits of technology

It enables convenient installation and disassembly of the protective cylinder structure, improving safety and ease of operation during the drilling process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223670806U_ABST
    Figure CN223670806U_ABST
Patent Text Reader

Abstract

The utility model discloses a protective structure for drilling metal parts, which comprises a rack, a mounting plate is fixedly mounted on the rack upwards through a stand column, two lifting cylinders are fixedly mounted on the mounting plate downwards, cylinder rods of the lifting cylinders are arranged downwards and are fixedly provided with mounting seats, drilling motors are fixedly mounted on the mounting seats, and the drilling motors are fixedly mounted on the mounting seats. A through hole is formed in the portion, right opposite to an output shaft of the drilling motor, of the mounting base in a penetrating mode, the output shaft of the drilling motor penetrates through the through hole and is fixedly connected with a drill chuck, a drill bit is detachably connected to the drill chuck, and a receding hole is formed in the portion, right opposite to the drill bit, of the rack. Two sliding rods are fixedly installed on the installation base upwards, and a protection cylinder structure is arranged on the outer side of the installation base and is in sliding connection with the sliding rods. The protection structure for drilling the metal piece has the advantages of being capable of sliding downwards by means of self gravity to achieve protection, convenient to install and simple in structure.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to drilling technology field especially a kind of protective structure for metal piece drilling. BACKGROUND

[0002] Drilling refers to the operation of using drill bit to process hole on solid material.In the field of mechanical processing, metal piece generally needs to be drilled, and the generated waste will be irregularly thrown by drill bit on workbench and metal piece, which is not easy to clean by personnel, and the safety is poor, therefore, the existing drilling equipment increases protective structure to avoid debris splashing.

[0003] The protective structure currently used, such as the protective structure for metal piece drilling disclosed in Chinese patent CN221337772U, achieves the protection function through protective cover, but its installation structure is complex, and when replacing drill bit, the tension spring tension needs to be overcome, which brings great inconvenience to use. SUMMARY

[0004] In view of the above deficiencies of the prior art, the technical problem to be solved by the present patent application is how to provide a protective structure for metal piece drilling which can rely on its own gravity to slide down to achieve protection, is convenient to install and has simple structure.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A protective structure for metal piece drilling, comprising a rack, the rack is fixedly installed upward through a stand, the rack is fixedly installed downward two lifting cylinders, the cylinder rod of the lifting cylinder is arranged downward and fixedly installed a mounting seat, the mounting seat is fixedly installed a drilling motor, the output shaft of the drilling motor is arranged through a perforation opposite to the mounting seat, the output shaft of the drilling motor is arranged through the perforation and fixedly connected with a drill chuck, the drill chuck is detachably connected with a drill bit, the rack is provided with a clearance hole opposite to the drill bit; the mounting seat is fixedly installed upward two slide rods, the outer side of the mounting seat is provided with a protective cylinder structure, and the protective cylinder structure is slidably connected with the slide rod.

[0007] In this way, the metal piece needing drilling is placed on the rack, the drilling position of the metal piece is arranged opposite to the clearance hole, the lifting cylinder drives the mounting seat to move downward, and then drives the drill bit to move downward, the drilling motor drives the drill chuck and the drill bit to rotate, and cooperates with the downward extension of the lifting cylinder to realize the drilling operation of the metal piece. In the process of moving the mounting seat downward by the lifting cylinder, the protective cylinder structure has its own gravity, when the protective cylinder structure abuts against the rack, the lifting cylinder continues to extend downward, the protective cylinder structure is slidably connected with the slide rod, and the lower end of the protective cylinder structure is in the state of abutting against the rack, and the protective cylinder structure blocks the waste generated during drilling.

[0008] The protective cylinder structure comprises a first half cylinder and a second half cylinder, first end blocks are fixedly arranged on both sides of the upper end of the first half cylinder, first sockets are formed in the first end blocks, second end blocks are fixedly arranged on both sides of the upper end of the second half cylinder, the second end blocks are insertedly connected with the first sockets, and sliding holes, in which a sliding rod is slidably arranged, are formed in the first end blocks and the second end blocks.

[0009] The installation seat is provided with a displacement table on both sides of the installation seat.

[0010] The installation seat is provided with a displacement table on both sides of the installation seat.

[0011] The first half cylinder is provided with limiting blocks fixedly arranged on both sides of the lower end of the first half cylinder, limiting holes are formed in the limiting blocks, pin seats are fixedly arranged on both sides of the lower end of the second half cylinder, and latches are fixedly arranged on the pin seats and insertedly connected with the limiting holes.

[0012] In summary, the protective structure for metal piece drilling has the advantages of being capable of realizing protection by relying on gravity, being convenient to install and having a simple structure. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The protective structure for metal piece drilling is shown in the structural schematic view.

[0014] Figure 2 The protective structure for metal piece drilling is shown in the structural schematic view. Figure 1 The protective structure for metal piece drilling is shown in the structural schematic view.

[0015] Figure 3 The protective structure for metal piece drilling is shown in the structural schematic view. Figure 1 The protective structure for metal piece drilling is shown in the structural schematic view.

[0016] Figure 4 The protective structure for metal piece drilling is shown in the structural schematic view. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail in combination with the drawings. In the description of the utility model, it is understood that the orientation words such as "up, down", "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the protection scope of the utility model;The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0018] AsFigures 1-4 As shown, a protective structure for drilling metal parts, comprising a rack 1, the rack is fixedly installed with a mounting plate 3 upward through a stand 2, the mounting plate is fixedly installed with two lifting cylinders 4 downward, the cylinder rod of the lifting cylinder is arranged downward and fixedly installed with a mounting seat 5, the mounting seat is fixedly installed with a drilling motor 6, the mounting seat is provided with a through hole opposite to the output shaft of the drilling motor, the output shaft of the drilling motor passes through the through hole and is fixedly connected with a drill chuck 7, the drill chuck is detachably connected with a drill bit 8, and the rack is provided with a clearance hole 9 opposite to the drill bit; the mounting seat is fixedly installed with two slide rods 10 upward, and the outer side of the mounting seat is provided with a protective cylinder structure 11 which is slidably connected with the slide rods.

[0019] In this way, the metal part to be drilled is placed on the rack, the drilling position of the metal part is arranged opposite to the clearance hole, the lifting cylinder drives the mounting seat to move downward, thereby driving the drill bit to move downward, the drilling motor drives the drill chuck and the drill bit to rotate, and the downward extension of the lifting cylinder is cooperated to realize the drilling operation of the metal part. During the downward movement of the mounting seat driven by the lifting cylinder, the protective cylinder structure has its own gravity, when the protective cylinder structure abuts against the rack, the lifting cylinder continues to extend downward, the protective cylinder structure is slidably connected with the slide rods, and the lower end of the protective cylinder structure is in abutment with the rack. The protective cylinder structure blocks the drill chips generated during the drilling process.

[0020] Specifically, the drilling motor, the drill chuck and the drill bit all belong to existing structures, and the drill bit can be replaced. The protective cylinder structure is installed by relying on the slide rods, and the structure is simple. The abutment between the protective cylinder structure and the rack is realized by relying on the gravity of the protective cylinder structure, and the reliability is high. When the drill bit needs to be replaced, the protective cylinder structure is slid upward to realize the disconnection between the protective cylinder structure and the slide rods, and the disassembly and assembly are facilitated.

[0021] The mounting plate is provided with a through hole penetrating the slide rods, so as to avoid the collision between the slide rods and the mounting plate.

[0022] In implementation, the protective cylinder structure comprises a first half cylinder 12 and a second half cylinder 13, the upper end of the first half cylinder is fixedly installed with a first end block 14 inward on both sides, the first end block is provided with a first socket, the upper end of the second half cylinder is fixedly installed with a second end block 15 inward on both sides, the second end block is inserted and connected with the first socket, and the first end block and the second end block are both provided with a sliding hole which slidably cooperates with the slide rods.

[0023] In this way, the first half cylinder and the second half cylinder are arranged to facilitate the quick disassembly and assembly of the protective cylinder structure, so that the overall structure is simpler and more convenient for installation and use in the production site. Specifically, the first end block is welded with the first half cylinder, and the second end block is welded with the second half cylinder.

[0024] In implementation, the two sides of the mounting seat opposite to the first end block and the second end block are provided with a let go table. Through the setting of the let go table, the let go of the first end block and the second end block is realized.

[0025] In implementation, the two sides of the mounting seat are provided with internal thread holes 16, the lower end of the slide rod is provided with external thread, and the slide rod is connected with the mounting seat through thread. It is convenient for installation.

[0026] In implementation, the lower end of the first half cylinder is outwardly fixedly installed with a limiting block 17 on both sides, the limiting block is provided with a limiting hole 18, the lower end of the second half cylinder is outwardly fixedly installed with a pin seat 19 on both sides, the pin seat is fixedly installed with a bolt 20, and the bolt is insertedly matched with the limiting hole. The first half cylinder and the second half cylinder can be better spliced.

[0027] Finally, it should be noted that: the person skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model are within the scope of the claims of the utility model and the statistical number, the utility model also intends to include these modifications and variations.

Claims

1. A protective structure for drilling metal parts, comprising a frame (1), wherein an mounting plate (3) is fixedly mounted upward on the frame via a column (2), and two lifting cylinders (4) are fixedly mounted downward on the mounting plate, wherein the cylinder rods of the lifting cylinders are arranged downward and fixedly mounted on mounting seats (5), a drilling motor (6) is fixedly mounted on the mounting seats, a through hole is provided through the mounting seats facing the output shaft of the drilling motor, the output shaft of the drilling motor passes through the through hole and is fixedly connected to a drill chuck (7), a drill bit (8) is detachably connected to the drill chuck, and a clearance hole (9) is provided on the frame facing the drill bit; characterized in that, The mounting base has two sliding rods (10) fixedly mounted upwards, and a protective cylinder structure (11) is provided on the outside of the mounting base. The protective cylinder structure is slidably connected to the sliding rods.

2. The protective structure for drilling holes in metal parts according to claim 1, characterized in that, The protective cylinder structure includes a first half-cylinder (12) and a second half-cylinder (13). A first end block (14) is fixedly installed inward on both sides of the upper end of the first half-cylinder. The first end block has a first insertion port. A second end block (15) is fixedly installed inward on both sides of the upper end of the second half-cylinder. The second end block is inserted into the first insertion port. Both the first end block and the second end block have sliding holes that slide with the slide rod.

3. The protective structure for drilling holes in metal parts according to claim 2, characterized in that, The mounting base has clearance platforms on both sides facing the first end block and the second end block.

4. A protective structure for drilling metal parts according to claim 3, characterized in that, The mounting base has internal threaded holes (16) on both sides, and the lower end of the slide rod has an external thread. The slide rod is connected to the mounting base by a thread.

5. A protective structure for drilling holes in metal parts according to claim 4, characterized in that, Limiting blocks (17) are fixedly installed outward on both sides of the lower end of the first half-cylinder, and limiting holes (18) are opened on the limiting blocks. Pin seats (19) are fixedly installed outward on both sides of the lower end of the second half-cylinder, and pins (20) are fixedly installed on the pin seats. The pins are inserted into the limiting holes.

Citation Information

Patent Citations

  • Protective structure for metal part drilling

    CN221337772U