CN223961395U

CN223961395U - Drill chuck structure

Info

Publication number: CN223961395U
Application number: CN202520506164.5U
Authority: CN
Inventors: 胡建宏
Original assignee: Kunshan Leiwei Photoelectric Technology Co ltd
Current assignee: Kunshan Leiwei Photoelectric Technology Co ltd
Priority date: 2025-03-21
Filing date: 2025-03-21
Publication date: 2026-03-03
Anticipated expiration: 2035-03-21

Abstract

The utility model discloses a drill chuck structure, which belongs to the technical field of PCB processing and comprises a base, a placement barrel and clamping strips, wherein the placement barrel is fixedly connected to the clamping strips, a first clamping groove is formed in the base, the clamping strips are inserted into the first clamping groove, when the drill chuck is used for a long time, the drill chuck is in contact with the placement barrel and worn, and cannot be used, the clamping strips are directly pulled out to be replaced by a new clamping strip, the new placement barrel is replaced, the base is not required to be detached, the purpose of quick replacement is achieved, and the influence on the subsequent PCB processing is avoided.

Description

Drill chuck structure

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a drill chuck structure.

Background

PCB boards, also called circuit boards, are used to support, fix and connect electronic components, and to connect electronic components to each other through different types of circuits, and are widely used in various electric appliances and automation equipment.

In the production process of the PCB, a plurality of holes are required to be drilled and used for fixing various electronic components and connecting circuits, in addition, the sizes of the holes are different according to the actual demands, and the inner diameters are different from a few millimeters to a few tens of millimeters, so that when the PCB is perforated by a machine tool, drill bits with different sizes are required to be replaced.

The drill bit of the machine tool is generally placed in a chuck of a drill bit warehouse, namely a tool magazine chuck, and when the drill bit needs to be replaced, the corresponding drill bit is taken out through a mechanical arm.

However, due to the particularity of the processed PCB, static electricity cannot be generated in the processing process, and the damage to the PCB is avoided, so that the chuck for storing the drill bit is generally made of plastic, and after the drill bit is taken and placed for a long time, abrasion occurs, so that the PCB cannot be used continuously, and at the moment, the chuck needs to be replaced.

However, the existing chuck structure is directly fixed in a drill bit library of a machine tool, and after abrasion occurs, the chuck cannot be quickly replaced, so that the subsequent processing of the PCB can be affected.

Disclosure of utility model

The utility model aims to solve the technical problem that in the prior art, the chuck cannot be quickly replaced after being directly fixed in a drill bit library of a machine tool and worn, and provides a drill bit chuck structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The drill chuck structure comprises a base, a placing barrel and clamping strips, wherein the placing barrel is fixedly connected to the clamping strips, a first clamping groove is formed in the base, and the clamping strips are inserted into the first clamping groove.

Preferably, the side walls of the two sides of the first clamping groove are fixedly connected with convex strips, the side walls of the two sides of the clamping strip are respectively provided with a second clamping groove, and the convex strips are clamped in the second clamping grooves.

Preferably, the two end shapes of the second clamping groove are all first camber openings.

Preferably, one end of the first clamping groove is fixedly connected with a baffle, and one end of the clamping strip is provided with a first groove.

Preferably, the top inner wall of the placement barrel is shaped as a second camber.

Preferably, the number of the first clamping grooves is 5-10.

Preferably, the number of the placing cylinders is 8-20.

Preferably, the bottom of the placement barrel is provided with a through hole.

Preferably, the base is provided with a mounting hole.

Compared with the prior art, the utility model provides a drill chuck structure, which has the following beneficial effects:

1. According to the drill chuck structure, when the drill chuck is used for a long time, the drill is in contact with the placing barrel, and when abrasion is generated and the drill chuck cannot be used, the clamping strip is directly pulled out to be replaced by a new clamping strip, so that the new placing barrel is replaced, the base is not required to be detached, the purpose of quick replacement is achieved, and further the influence on subsequent PCB processing is avoided;

2. This drill chuck structure through the design of sand grip joint in the second draw-in groove, at the in-process of pegging graft, plays the effect of direction, avoids the card strip to upwards remove, simultaneously, has also avoided the card strip to rock in the use unexpectedly.

Drawings

FIG. 1 is a schematic view of a bit chuck according to the present utility model;

FIG. 2 is a schematic diagram of a bit chuck according to the present utility model;

FIG. 3 is a schematic view of a base of a drill chuck according to the present utility model;

fig. 4 is a schematic structural view of a chuck structure clip of a drill chuck according to the present utility model;

FIG. 5 is an enlarged view of portion A of FIG. 4 illustrating a bit chuck structure according to the present utility model;

Fig. 6 is a schematic structural diagram of a drill chuck structure according to the present utility model.

In the figure, 1, a base, 101, clamping strips, 102, a first clamping groove, 103, a placing cylinder, 2, a second clamping groove, 201, raised strips, 3, a first camber, 301, a second camber, 4, a baffle, 401, a first groove, 5, a through hole, 6, a mounting hole, 601 and a second groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

Referring to fig. 1-6, a drill chuck structure comprises a base 1, a placing barrel 103, and a clamping strip 101, wherein the placing barrel 103 is used for placing drill bits, the placing barrel 103 is fixedly connected to the clamping strip 101, and the number of the placing barrels 103 is 8-20, that is, 8-20 placing barrels 103 are fixedly arranged on the clamping strip 101 and used for placing drill bits of different models.

The base 1 is provided with a first clamping groove 102, the clamping strip 101 is inserted into the first clamping groove 102, and after the clamping strip is inserted, the side wall of the clamping strip 101 is tightly attached to the side wall of the first clamping groove 102.

The base 1, the clamping strips 101 and the placing cylinder 103 are all made of plastics.

When the drill bit holder is used, the base 1 is fixed in a drill bit holder of a machine tool, then the clamping strip 101 is inserted into the first clamping groove 102, after the clamping strip 101 is inserted, the side wall of the clamping strip 101 is tightly attached to the side wall of the first clamping groove 102, and the plastic material has certain elasticity, so that the clamping strip and the first clamping groove are tightly attached to each other, friction force is generated between the clamping strip and the first clamping groove, fixation is realized, and then when the drill bit holder is used, the drill bit is directly placed in the placing cylinder 103.

When long-term use, the drill bit contacts with the placing cylinder 103, and when the drill bit is worn and can not be used, the clamping strip 101 is directly drawn out, and the clamping strip 101 is replaced with a new clamping strip, so that the placing cylinder 103 is replaced with a new clamping strip, the base 1 is not required to be disassembled, the purpose of quick replacement is achieved, and further the influence on subsequent PCB processing is avoided.

As shown in fig. 2 and 3, the two side walls of the first clamping groove 102 are fixedly connected with 2 protruding strips 201, the number of the protruding strips 201 on each side is 2, the two side walls of the clamping strip 101 are provided with second clamping grooves 2, and when the clamping strip 101 is inserted into the first clamping groove 102, the protruding strips 201 are clamped in the second clamping grooves 2.

The thickness of the protruding strip 201 is the same as the width of the second clamping groove 2, so that the protruding strip 201 can be attached to the upper surface and the lower surface of the second clamping groove 2.

Through the design of sand grip 201 joint in second draw-in groove 2, at the in-process of pegging graft, play the effect of direction, avoid card strip 101 to upwards remove, simultaneously, also avoided card strip 101 in the use, unexpected rocking.

As shown in fig. 5, the two end shapes of the second clamping groove 2 are both the first outer inclined openings 3.

Both ends appearance is first camber 3, means that the inner wall both ends of second draw-in groove 2 all incline the chamfer to both sides, makes its opening enlarge, and at the in-process of pegging graft, the sand grip 201 more stable get into in the second draw-in groove 2.

As shown in fig. 3-6, one end of the first clamping groove 102 is fixedly connected with a baffle 4, and one end of the clamping strip 101 is provided with a first groove 401.

When in plugging, one end with the first groove 401 faces the baffle plate 4, then the clamping strip 101 is inserted into the first clamping groove 102, and after the clamping strip is completely inserted, the first groove 401 is attached to the baffle plate 4, so that the limiting effect is achieved, and excessive insertion is avoided.

As shown in fig. 6, the top inner wall of the placing cylinder 103 has a second camber 301.

The second outward-tilting port 301 is an outward-chamfering of the top inner wall of the placement barrel 103, so that the opening thereof becomes large, facilitating placement of the drill bit.

As shown in fig. 2 and 3, the number of the first clamping grooves 102 is 5-10.

The base 1 is provided with 5-10 first clamping grooves 102, and each first clamping groove 102 is internally inserted with clamping strips 101, or the number of the inserted clamping strips 101 is flexibly determined according to the number of drill bits.

As shown in fig. 4 to 6, the bottom of the placement cylinder 103 is provided with a through hole 5.

The through holes 5 are used for exhausting, and play a role in air pressure balance.

When the drill bit is placed, gas at the bottom of the placing cylinder 103 is discharged through the through holes 5 quickly, so that the drill bit is placed conveniently, and when the drill bit is taken out, the gas can enter the placing cylinder 103 through the through holes 5 at the bottom quickly in the process, so that the gas pressure is balanced, and the drill bit is taken out conveniently.

As shown in fig. 3 and 6, the base 1 is provided with a mounting hole 6, the base 1 is fixed through the mounting hole 6, and is fixed in a machine tool drill magazine, the mounting hole 6 can be formed on two side walls of the base 1 and can also be formed at the bottom of the first clamping groove 102, and note that when the base is located at the bottom of the first clamping groove 102, the bottom of the clamping strip 101 is required to be provided with a second groove 601, so that the clamping strip 101 and a fixing screw are prevented from collision with each other.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A drill bit chuck structure, comprising a base (1) and a placement cylinder (103), characterized in that it further comprises a chuck strip (101):

The placement tube (103) is fixedly connected to the card strip (101);

The base (1) is provided with a first slot (102), and the card strip (101) is inserted into the first slot (102).

2. The drill bit chuck structure according to claim 1, characterized in that protrusions (201) are fixedly connected to the two side walls of the first chuck groove (102);

The card strip (101) has a second card slot (2) on both sides of its sidewalls;

The protrusion (201) is engaged in the second slot (2).

3. A drill bit chuck structure according to claim 2, characterized in that the two ends of the second chuck groove (2) are both first outwardly inclined openings (3).

4. A drill bit chuck structure according to claim 1, characterized in that a baffle (4) is fixedly connected to one end of the first chuck groove (102);

One end of the card strip (101) is provided with a first groove (401).

5. A drill chuck structure according to claim 1, characterized in that the top inner wall of the placement cylinder (103) has a second outwardly inclined opening (301).

6. The drill bit chuck structure according to claim 1, wherein the number of the first chuck slots (102) is 5-10.

7. A drill chuck structure according to any one of claims 1 or 6, characterized in that the number of placement cylinders (103) is 8-20.

8. A drill bit chuck structure according to claim 1, characterized in that the bottom of the placement cylinder (103) is provided with a through hole (5).

9. A drill chuck structure according to claim 1, characterized in that the base (1) is provided with mounting holes (6).