CN216966372U

CN216966372U - Circuit board drill bit conversion sleeve

Info

Publication number: CN216966372U
Application number: CN202220773893.3U
Authority: CN
Inventors: 林玺; 刘小龙; 吴少元; 秦瑞鹏
Original assignee: Xinyu Huaao Technology Co ltd
Current assignee: Xinyu Huaao Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-15
Anticipated expiration: 2032-04-06

Abstract

The utility model provides a circuit board drill bit conversion sleeve, which comprises a main body, wherein a support sleeve is fixedly connected to the front end of the main body, a positioning structure is arranged at the tail end of the main body, the positioning structure integrally comprises a limiting cylinder, a limiting ring and an adjusting ring, a slot is fixedly formed in the surface of the limiting cylinder, the limiting ring is fixedly connected with the adjusting ring and sleeved on the limiting cylinder, a side cavity is fixedly formed in the main body, and a pneumatic device is fixedly connected to the top end of the main body. When the drill bit was transversely installed in the main part, the buffer board was located the outside surface of drill bit, provided the support to the drill bit main part, and the cooperation supporting layer reaches the effect of buffering external force simultaneously, and the drill bit is in the embedding main part, and the positioning head of multiunit locating lever bottom contacts the drill bit main part, forms the matrix centre gripping to the drill bit, and stability when effectual reinforcing drill bit work has good centre gripping effect.

Description

Circuit board drill bit conversion sleeve

Technical Field

The utility model relates to the technical field of drill bit processing, in particular to a circuit board drill bit conversion sleeve.

Background

The drill bit raw material for processing hard materials such as printed circuit boards and the like usually uses high-hardness tungsten carbide, the outer diameter of a purchased part of a drill body of a micro drill bit is also required to be fine along with the trend that the aperture required on the circuit board is developed towards a tiny direction, and simultaneously, the drill bit needs to be clamped on a clamping mechanism of a drilling machine, so that the drill handle part of the micro drill bit needs to have a larger outer diameter, and a whole tungsten carbide rod needs to be used for grinding and cutting into a finished product.

To above-mentioned problem, application number 200920282545.0's utility model provides a circuit board drill bit change-over sleeve, and this utility model loosens fixation nut earlier when using, inserts the miniature drill bit root in the cavity of the change-over sleeve body, screws fixation nut again, just forms a normal size's drill bit, then presss from both sides the sleeve handle of change-over sleeve on drilling machine, carries out the drilling operation to the circuit board.

The device is when the installation drill bit, it is rotatory through the nut, exert external force to the cover body, thereby reach the effect of the fixed drill bit of centre gripping, this kind of mode is when fixing the drill bit, the tail end of drill bit directly does not have any bearing structure and is located the cover handle, the front end is fixed through the centre gripping, in-process that the drill bit used, the device carries out direct contact between the cover body of centre gripping and the drill bit to the drill bit front end, and the vibrations that the drill bit during operation produced are conducted to the tail end position by drill bit contact jaw, and the tail end does not have any bearing structure, lead to the drill bit wholly to easily appear vibrating, and easily lead to drill bit front end clamping position to appear splitting with the rigid contact between the clamping structure, the in-process of drill bit work simultaneously, whole atress is horizontal atress performance, it is relatively poor to carry out centre gripping fixed stability only through spiral adjustment.

Therefore, a new circuit board drill bit conversion sleeve is needed.

SUMMERY OF THE UTILITY MODEL

The purpose of the circuit board drill bit conversion sleeve of the embodiment is achieved by the following specific technical means:

the utility model provides a circuit board drill bit change-over sleeve, comprising a main body, the front end fixedly connected with of main part supports the cover, the tail end of main part is provided with location structure, location structure is whole including spacing section of thick bamboo, spacing ring and adjustable ring, the fluting has been seted up to the fixed surface of spacing section of thick bamboo, spacing ring and adjustable ring fixed connection, cup joint on spacing section of thick bamboo, the side chamber has been seted up to the inside fixed of main part, the top fixedly connected with pneumatic means of main part, the fixed buffer board that is provided with of inner wall of main part, the fixed surface of buffer board is connected with the supporting layer, the inside embedding in side chamber is provided with the locating lever, the top fixedly connected with spring beam of locating lever, the bottom fixedly connected with location head of locating lever.

Further preferred embodiments: the spacing ring is connected with the adjusting ring through the frame body, the whole spacing ring is arranged to be semicircular, and the inner side surface of the spacing ring corresponds to the surface of the spacing cylinder and is provided with threads.

Further preferred embodiments: the adjusting ring is positioned at the outer end of the limiting cylinder and is positioned outside the tail end of the main body.

Further preferred embodiments: the buffer board is transversely arranged on the whole and is positioned on the inner wall of the front end of the main body.

Further preferred embodiments: the supporting layer transversely sets up the multiunit along the buffer board, and the supporting layer sets up to the plastic layer, and the edge is the slope and cuts edge the setting.

Further preferred embodiments: the positioning rod, the positioning head and the spring rod are matched, a plurality of groups are transversely distributed along the side cavity and are simultaneously connected with the starting device.

Further preferred embodiments: the positioning head is integrally arranged in an arc-shaped rubber head

Has the advantages that:

1. this kind of circuit board drill bit change-over sleeve reaches the effect of control spacing ring through rotating the adjustable ring, and the spacing ring rotates along the screw thread on spacing section of thick bamboo surface, thereby reaches the effect that the spacing section of thick bamboo of control tightens up through the spacing ring.

2. This kind of circuit board drill bit change-over sleeve, when the drill bit transversely installed in the main part, the buffer board was located the outside surface of drill bit, provides the support to the drill bit main part, and the cooperation supporting layer reaches the effect of buffering external force simultaneously.

3. This kind of circuit board drill bit change-over sleeve, the drill bit when embedding main part, the location head of multiunit locating lever bottom contacts the drill bit main part, forms the matrix centre gripping to the drill bit, and the stability of effectual reinforcing drill bit during operation has good centre gripping effect.

Drawings

Fig. 1 is a sectional view of the overall structure of the present invention.

Fig. 2 is a side view of the positioning structure according to the present invention.

Fig. 3 is an enlarged view of the structure a in fig. 1 according to the present invention.

Fig. 4 is a front view of a buffer plate coupling structure of the present invention.

In FIGS. 1-4: the device comprises a main body 1, a support sleeve 2, a positioning structure 3, a pneumatic device 4, a side cavity 5, a buffer plate 6, a limiting cylinder 7, a limiting ring 8, an adjusting ring 9, a slot 10, a positioning rod 11, a spring rod 12, a support layer 13 and a positioning head 14.

Detailed Description

As shown in figures 1 to 4:

the utility model provides a circuit board drill bit conversion sleeve, which comprises a main body 1, wherein a support sleeve 2 is fixedly connected to the front end of the main body 1, a positioning structure 3 is arranged at the tail end of the main body 1, the positioning structure 3 integrally comprises a limiting cylinder 7, a limiting ring 8 and an adjusting ring 9, a slot 10 is fixedly formed in the surface of the limiting cylinder 7, the limiting ring 8 is fixedly connected with the adjusting ring 9 and is sleeved on the limiting cylinder 7, a side cavity 5 is fixedly formed in the main body 1, a pneumatic device 4 is fixedly connected to the top end of the main body 1, a buffer plate 6 is fixedly arranged on the inner wall of the main body 1, a support layer 13 is fixedly connected to the surface of the buffer plate 6, a positioning rod 11 is embedded in the side cavity 5, a spring rod 12 is fixedly connected to the top end of the positioning rod 11, and a positioning head 14 is fixedly connected to the bottom end of the positioning rod 11.

Wherein, connect through the support body between spacing ring 8 and the adjustable ring 9, and the whole setting of spacing ring 8 is the semicircle ring-type, and the inside surface corresponds spacing section of thick bamboo 7 surface and sets up the screw thread.

Wherein, the adjusting ring 9 is located the outer end position of a spacing section of thick bamboo 7, is located the 1 tail end outside of main part simultaneously, reaches the effect of control spacing ring 8 through rotating adjusting ring 9, and spacing ring 8 rotates along the screw thread on a spacing section of thick bamboo 7 surface, thereby reaches the effect that the spacing section of thick bamboo 7 of control tightened up through spacing ring 8.

Wherein, the whole buffer board 6 is transversely arranged and is positioned on the inner wall of the front end of the main body 1.

Wherein, supporting layer 13 transversely sets up the multiunit along buffer board 6, and supporting layer 13 sets up to the plastic layer, and the edge is slope side cut setting, and when the drill bit was transversely installed in main part 1, buffer board 6 was located the outside surface of drill bit, provides the support to the drill bit main part, and cooperation supporting layer 13 reaches the effect of buffering external force simultaneously.

Wherein, the locating rod 11, the locating head 14 and the spring rod 12 are arranged in a matching way, a plurality of groups are transversely distributed along the side cavity 5 and are simultaneously connected with the starting device 4.

Wherein, the whole arc rubber head that is of location head 14 sets up, and the drill bit is in embedding main part 1, and the location head 14 of the 11 bottoms of multiunit locating lever contacts the drill bit main part, forms the matrix centre gripping to the drill bit, and stability when effectual reinforcing drill bit is worked has good centre gripping effect.

The working principle is as follows:

the specific using mode and action of the embodiment are that a drill bit to be installed is directly embedded into the main body 1, the tail end of the drill bit is embedded into the limiting cylinder 7, a user rotates the adjusting ring 9 to drive the limiting ring 8 to rotate along the surface threads of the limiting cylinder 7, the limiting ring 8 is controlled to move along with the rotation of the adjusting ring 9, the limiting ring 8 is controlled to clamp and fix the tail end of the drill bit by moving the limiting cylinder 7, after the tail end of the drill bit is positioned and clamped, the starting device 4 is matched with the positioning rods 11 to move inwards, the multiple groups of positioning rods 11 move inwards, so that the front end of the drill bit is integrally formed into matrix clamping, when the front end of the drill bit is positioned by the positioning rods 11, the positioning head 14 at the front end of the positioning rods 11 contacts the surface of the drill bit to buffer the vibration generated in the using process of the drill bit, and the drill bit is integrally clamped and fixed, after the drill bit is fixed, the supporting layer 13 arranged on the surface of the buffer plate 6 effectively buffers the external force applied to the drill bit.

Claims

1. A circuit board drill bit change-over sleeve, includes main part (1), its characterized in that: the front end of the main body (1) is fixedly connected with a supporting sleeve (2), the tail end of the main body (1) is provided with a positioning structure (3), the positioning structure (3) integrally comprises a limiting cylinder (7), spacing ring (8) and adjustable ring (9), fluting (10) have been seted up to the fixed surface of a spacing section of thick bamboo (7), spacing ring (8) and adjustable ring (9) fixed connection, cup joint on a spacing section of thick bamboo (7), side chamber (5) have been seted up to the inside fixed of main part (1), the top fixedly connected with pneumatic means (4) of main part (1), the inner wall of main part (1) is fixed and is provided with buffer board (6), the fixed surface of buffer board (6) is connected with supporting layer (13), the inside embedding of side chamber (5) is provided with locating lever (11), the top fixedly connected with spring beam (12) of locating lever (11), the bottom fixedly connected with location head (14) of locating lever (11).

2. The circuit board drill bit transition sleeve of claim 1, wherein: the limiting ring (8) and the adjusting ring (9) are connected through a frame body, the whole limiting ring (8) is in a semicircular ring shape, and the inner side surface of the limiting ring corresponds to the surface of the limiting cylinder (7) and is provided with threads.

3. The circuit board drill bit transition sleeve of claim 1, wherein: the adjusting ring (9) is positioned at the outer end of the limiting cylinder (7) and is positioned at the outer side of the tail end of the main body (1).

4. The circuit board drill bit transition sleeve of claim 1, wherein: the buffer plate (6) is transversely arranged on the whole and is positioned on the inner wall of the front end of the main body (1).

5. The circuit board drill bit transition sleeve of claim 1, wherein: the supporting layer (13) transversely sets up the multiunit along buffer board (6), and supporting layer (13) set up to the plastic layer, and the edge is the slope and cuts edge the setting.

6. The circuit board drill bit transition sleeve of claim 1, wherein: the positioning rods (11), the positioning heads (14) and the spring rods (12) are arranged in a matched mode, a plurality of groups of positioning rods are transversely distributed along the side cavity (5) and are connected with the pneumatic device (4) simultaneously.

7. The circuit board drill bit transition sleeve of claim 1, wherein: the positioning head (14) is integrally arranged in an arc-shaped rubber head.