Precision machining cutting drill bit

Abstract

The utility model discloses a precision machining cutting drill bit which comprises an installation frame and an installation base, a motor is installed in the center of the outer wall of the bottom of the installation frame through a bolt, and a limiting assembly is installed at the output end of the motor through a coupler. The limiting assembly comprises a rotating seat, a sliding rod is installed on one side of the interior of the rotating seat through a bolt, and a screw rod is movably installed on the other side, away from the interior of the sliding rod, of the rotating seat through a bearing. Through the arrangement of the positioning plate, when the screw rod is rotated, the screw rod is in threaded connection with the moving ring, so that the moving ring drives the moving plate on the inner wall of the moving ring to move downwards, and in the moving process of the moving plate, the moving plate can be in sliding connection with the positioning plate, so that the positioning plate can slide in the mounting pipe; by means of the structure, an operator can conveniently replace the connecting column and the drill rod, and the defect that according to an existing device, due to the fact that the drill rod is not easy to replace, the replacement time of the drill rod is prolonged is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to drill bit technical field, concretely is a kind of precision machining cutting drill bit. BACKGROUND

[0002] Drill bit is used to drill through hole or blind hole on solid material, and can be used to enlarge the hole of existing hole, commonly used drill bit mainly includes twist drill, flat drill, center drill, deep hole drill and sleeve drill, although reaming drill and counterbore drill cannot drill hole on solid material, they are also classified as drill bit;

[0003] According to the patent document: CN221184824U proposes a kind of high-precision machining cutting drill bit, including bearing table, the top surface of the bearing table is welded with bearing frame, and drill bit device is installed on bearing frame, the top surface of the bearing table is fixedly installed with object table, and processing assembly is detachably installed on object table, the surface of the object table is provided with storage cavity, and limit slot is provided in the bottom surface of storage cavity, the rack is slidably connected in limit slot.In the utility model, by setting buffer plate, the buffer plate of lifting type can be raised to play the role of protection in the high-precision chip removal machining process of workpiece, to avoid the damage to the body of staff by splashing chip in the high-precision chip removal machining process, while the setting of buffer pad has certain noise reduction capacity, reduces noise, secondly, after high-precision chip removal machining is completed, buffer plate is lowered and can be stored in storage cavity, without affecting and interfering with the taking and placing workpiece and sweeping chip.

[0004] At present, when the traditional drill bit is used to process different materials, and the drill bit needs to be replaced and assembled, the existing device usually uses bolts and other structures to limit and fix the drill rod, but such structure is more cumbersome and time-consuming when replacing the drill rod, which greatly increases the time of disassembling or replacing the drill rod, reduces the practicability of the device, so a precision machining cutting drill bit is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of precision machining cutting drill bit to solve the problem of reducing the practicability of device due to the long time of disassembling and replacing drill rod in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme, a kind of precision machining cutting drill bit, including mounting bracket and mounting seat, the bottom outer wall center of the mounting bracket is installed with motor by bolt, and the output end of motor is installed with limit component by coupling;

[0007] The limiting assembly comprises a rotating seat, a sliding rod is installed on one side of the inside of the rotating seat through bolts, a screw rod is movably installed on the other side of the inside of the rotating seat away from the sliding rod through a bearing, a movement ring is threadedly connected to the outer wall of the inside of the rotating seat, an installation pipe is installed on the center of the bottom inner wall of the rotating seat through bolts, a connecting column is inserted into the inside of the installation pipe, a positioning plate is slidably connected to the inside of the connecting column, a drill rod is installed on the outer wall of the bottom end of the connecting column through bolts, and a movement plate is slidably connected to the positioning plate on the inner wall of the movement ring.

[0008] Preferably, the top end of the screw rod extends to the outside of the rotating seat, and the movement ring is slidably connected to the sliding rod.

[0009] Preferably, the rotating seat penetrates into the inside of the mounting seat, and the bottom of the mounting seat is provided with a protection assembly.

[0010] Preferably, the protection assembly comprises a connecting plate, and a telescopic cylinder is installed on the outer wall of the bottom of the connecting plate through bolts.

[0011] Preferably, a sliding sleeve is installed on the outer wall of the bottom of the mounting seat through bolts, and a moving groove is formed in the bottom outer wall of the sliding sleeve.

[0012] Preferably, a light-transmitting plate is slidably connected to the inside of the moving groove, and a spring is arranged on the top outer wall of the light-transmitting plate.

[0013] Preferably, two connecting plates are fixed on the outer walls on both sides of the mounting seat through bolts, and the rotating seat is movably arranged in the inside of the mounting seat.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. When the screw rod is rotated, the screw rod is threadedly connected to the movement ring, the movement ring drives the movement plate on the inner wall thereof to move downward, the movement plate is slidably connected to the positioning plate, the positioning plate can slide in the installation pipe and exit into the inside of the connecting column, the structure can facilitate the replacement of the connecting column and the drill rod, and the device of the prior art has the shortcomings of difficult replacement of the drill rod and increased replacement time of the drill rod.

[0016] 2. By setting the light transmission plate, when the light transmission plate contacts the bottom plate, the light transmission plate can protect the external personnel, avoiding the shortcomings that the existing device causes harm to external personnel due to the splashing of waste in the process of processing materials, and through the action of the light transmission plate and the spring, the device can be used for processing materials of different sizes, and the light transmission plate can be slidably connected to the inside of the moving groove, so that the device can also protect external personnel when processing materials of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic diagram of the utility model Figure 2 It is a local enlarged view of A in the utility model;

[0020] Figure 4 It is a three-dimensional bottom structure schematic diagram of the utility model;

[0021] Figure 5 It is a sliding sleeve and light transmission plate structure schematic diagram of the utility model;

[0022] Figure 6 It is a rotating seat and installation pipe internal structure schematic diagram of the utility model;

[0023] In the drawing: 1, mounting frame; 2, motor; 3, limiting assembly; 31, rotating seat; 32, sliding rod; 33, screw rod; 34, movement ring; 35, installation pipe; 36, positioning plate; 37, movement plate; 38, connecting column; 39, drill rod; 4, mounting seat; 5, protection assembly; 51, connecting plate; 52, telescopic cylinder; 53, bottom plate; 54, sliding sleeve; 55, moving groove; 56, spring; 57, light transmission plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, those skilled in the art can make further creative embodiments without making creative efforts, which all belong to the protection scope of the utility model.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 6The utility model provides a precision machining cutting drill bit, including mounting frame 1 and mounting base 4, the bottom outer wall center of mounting frame 1 is installed with motor 2 through bolt, and the output end of motor 2 is installed with limit component 3 through shaft coupling,

[0026] Limit component 3 includes the rotation seat 31, and the inside one side of rotation seat 31 is installed with slide rod 32 through bolt, and the other side away from the inside of slide rod 32 is movably installed with screw rod 33 through bearing, and the outer wall in the inside of screw rod 33 is threadedly connected with movement ring 34, and the bottom inner wall center of rotation seat 31 is installed with mounting pipe 35 through bolt, the inside of mounting pipe 35 is inserted with connecting column 38, and the inside of mounting pipe 35 is slidably connected with the positioning plate 36 inserted into the inside of connecting column 38, and the bottom end outer wall of connecting column 38 is installed with drill rod 39 through bolt, and the inner wall of movement ring 34 is installed with movement plate 37 slidably connected with positioning plate 36 through bolt, the setting of mounting frame 1 can support the installation of motor 2, and when starting motor 2, motor 2 can drive rotation seat 31 to rotate, when rotating screw rod 33, screw rod 33 can use the thread connection with movement ring 34, so that movement ring 34 can move on the outer wall of screw rod 33, and movement ring 34 can drive movement plate 37 to move in the process of movement, and movement plate 37 can use the sliding connection with positioning plate 36, so that positioning plate 36 can move in the inside of connecting column 38 and mounting pipe 35, and because of the sliding connection of slide rod 32 and movement plate 37, when movement plate 37 goes up and down, the movement of movement plate 37 is more stable.

[0027] Please refer to Figure 2 、 Figure 3 And Figure 6 The top end of screw rod 33 extends to the outside of rotation seat 31, and movement ring 34 is slidably connected with slide rod 32, and screw rod 33 extending to the outside of rotation seat 31 can facilitate the rotation of screw rod 33 by the operator, and the sliding connection of slide rod 32 and movement ring 34 improves the stability effect of movement ring 34 when going up and down to a certain extent;Rotation seat 31 penetrates into the inside of mounting base 4, and the bottom of mounting base 4 is provided with protection component 5, when rotation seat 31 rotates due to the action force of motor 2, rotation seat 31 can move in the inside of mounting base 4, and the setting of protection component 5 can protect the external personnel.

[0028] Please refer to Figure 1 、 Figure 2 And Figure 4The protection assembly 5 comprises a connecting plate 51, a telescopic cylinder 52 is installed on the bottom outer wall of the connecting plate 51 through bolts, and a bottom plate 53 is installed on the bottom outer wall of the telescopic cylinder 52 through bolts. The connecting plate 51 provides an installation position for the telescopic cylinder 52, and when the telescopic cylinder 52 is started, the telescopic cylinder 52 can drive the connecting plate 51 to move by connecting the output end of the telescopic cylinder 52 with the bottom plate 53.

[0029] Please refer to Figure 2 , Figure 4 and Figure 5 , the bottom outer wall of the mounting seat 4 is provided with a sliding sleeve 54 installed through bolts, and the bottom outer wall of the sliding sleeve 54 is provided with a moving groove 55. The sliding sleeve 54 provides a moving position for the moving groove 55, and the moving groove 55 can limit the movement of the light-transmitting plate 57, so that the light-transmitting plate 57 can move stably in the moving groove 55, improving the stability of the light-transmitting plate 57 during movement. The moving groove 55 is slidably connected with the light-transmitting plate 57, and the top outer wall of the light-transmitting plate 57 is provided with a spring 56, and the top end of the spring 56 is fixedly connected to the top inner wall of the moving groove 55. During the movement of the sliding sleeve 54, the sliding sleeve 54 can move on the outer wall of the light-transmitting plate 57, so that the light-transmitting plate 57 can move in the moving groove 55. During the continuous movement of the sliding sleeve 54, the moving groove 55 can extrude the spring 56, so that the device can effectively protect different sizes of materials when facing different materials, avoiding the harm to the external operators caused by the splashing of materials, and increasing the practicability of the device.

[0030] Please refer to Figure 1 , Figure 2 and Figure 4 , the two connecting plates 51 are fixed on the two side outer walls of the mounting seat 4 through bolts, and the rotating seat 31 is movably arranged in the mounting seat 4. The connecting plates 51 installed on both sides of the mounting seat 4 can make the stress more uniform when the mounting seat 4 is raised and lowered, and the rotating seat 31 can rotate in the mounting seat 4 during rotation.

[0031] Working principle: first through the device is placed in the designated position, then by the specified drill pipe 39 bottom connecting column 38 plug into the inside of the installation tube 35, followed by rotating screw 33, in the process of screw 33 rotation, screw 33 can rotate in the inside of the rotating seat 31, and in the process of screw 33 rotation, screw 33 can use the thread connection with the movement ring 34, so that the movement ring 34 can move downward in the inside of the rotating seat 31, and in the process of movement ring 34 movement, movement ring 34 uses the sliding connection with the slide rod 32, so that the movement ring 34 can move on the outer wall of the slide rod 32, and in the process of movement ring 34 movement, movement ring 34 can drive the movement plate 37 on its inner wall to move downward, in the process of movement plate 37 movement, movement plate 37 can use the sliding connection with the positioning plate 36, so that the positioning plate 36 can slide in the inside of the installation tube 35, and in the process of continuous movement of the positioning plate 36, the positioning plate 36 can be inserted into the inside of the connecting column 38, to realize the limiting function of the connecting column 38;

[0032] Then through the start of the connecting plate 51 bottom outer wall on the telescopic cylinder 52, telescopic cylinder 52 can be telescopic, in the process of movement of telescopic cylinder 52 will drive the connecting plate 51 and mounting seat 4 movement, when the mounting seat 4 in the process of continuous descent, the light transmission plate 57 will contact the bottom plate 53, in the process of continuous movement of the mounting seat 4, the sliding sleeve 54 will move downward and extrude the spring 56, so that the light transmission plate 57 can be slidingly connected to the inside of the moving groove 55, until the drill pipe 39 contacts the material, then through the start of the motor 2, the motor 2 will drive the rotating seat 31 rotation, in the process of rotating seat 31 rotation, the rotating seat 31 will drive the connecting column 38 and drill pipe 39 in its inside rotation, so as to process the material, the above is the working process of the whole device, and the contents not described in detail in the specification all belong to the existing technology known to the person skilled in the art. Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision machining cutting drill bit, comprising a mounting bracket (1) and a mounting base (4), characterized in that: A motor (2) is bolted to the center of the bottom outer wall of the mounting bracket (1), and a limit assembly (3) is installed at the output end of the motor (2) via a coupling; The limiting component (3) includes a rotating base (31), and a sliding rod (32) is bolted to one side of the interior of the rotating base (31). A screw (33) is movably mounted on the other side of the rotating base (31) away from the interior of the sliding rod (32) via a bearing. A moving ring (34) is threadedly connected to the outer wall of the rotating base (31) via a screw on the screw (33). An installation tube (35) is bolted to the center of the bottom inner wall of the rotating base (31). A connecting column (38) is inserted into the inside of the installation tube (35). A positioning plate (36) is slidably connected to the inside of the connecting column (38) via a slidable connection ...

2. The precision machining cutting drill bit according to claim 1, characterized in that: The top end of the screw (33) extends to the outside of the rotating seat (31), and the moving ring (34) is slidably connected to the slide rod (32).

3. A precision machining cutting drill bit according to claim 1, characterized in that: The rotating base (31) extends into the interior of the mounting base (4), and a protective component (5) is provided at the bottom of the mounting base (4).

4. A precision machining cutting drill bit according to claim 3, characterized in that: The protective component (5) includes a connecting plate (51), and a telescopic cylinder (52) is bolted to the bottom outer wall of the connecting plate (51), and a base plate (53) is bolted to the bottom outer wall of the telescopic cylinder (52).

5. A precision machining cutting drill bit according to claim 1, characterized in that: A sliding sleeve (54) is bolted to the bottom outer wall of the mounting base (4), and a moving groove (55) is provided on the bottom outer wall of the sliding sleeve (54).

6. A precision machining cutting drill bit according to claim 5, characterized in that: A light-transmitting plate (57) is slidably connected inside the movable groove (55), and a spring (56) is provided on the top outer wall of the light-transmitting plate (57). The top end of the spring (56) is fixedly connected to the top inner wall of the movable groove (55).

7. A precision machining cutting drill bit according to claim 4, characterized in that: The two connecting plates (51) are fixed to the outer walls of the mounting base (4) by bolts, and the rotating base (31) is movably disposed inside the mounting base (4).

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