CN217860031U

CN217860031U - Circuit board blind hole drilling clamping mechanism

Info

Publication number: CN217860031U
Application number: CN202220887238.0U
Authority: CN
Inventors: 李文波
Original assignee: Zhuhai Tianshili Technology Co ltd
Current assignee: Zhuhai Tianshili Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-11-22
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a circuit board blind hole drilling clamping mechanism aims at providing a structure succinct, realize that quick positioning clamp possesses a circuit board blind hole drilling clamping mechanism of locking function simultaneously. The utility model discloses a base, sliding seat, at least two sets of locking Assembly and at least two sets of supporting shoe, the base with sliding seat sliding fit, it is a plurality of locking Assembly sets up respectively the base with on the sliding seat, it is a plurality of the supporting shoe respectively with a plurality of locking Assembly roof pressure cooperation, it is a plurality of the supporting shoe respectively with the base with sliding seat sliding fit. The utility model discloses be applied to circuit board fixture's technical field.

Description

Circuit board blind hole drilling clamping mechanism

Technical Field

The utility model relates to a circuit board anchor clamps's technical field, in particular to circuit board blind hole drilling clamping mechanism.

Background

With the continuous development of electronic communication technology, electronic products are developing towards multifunction and high density; circuit boards as carriers for electronic components have been transformed from conventional PCBs to high density interconnects. In order to reduce the area of the circuit board and increase the density, it is often necessary to achieve the mutual conduction between adjacent conductive pattern layers. Blind holes in a circuit board are via holes for connecting a surface layer and an inner layer without penetrating through the whole circuit board, and the blind holes are usually located on the top layer and the bottom layer of the circuit board and have a certain depth for connecting a surface layer circuit and an inner layer circuit.

In the existing drilling clamp for blind holes of circuit boards, when the blind holes are formed, hole positions are not on the same straight line easily due to inaccurate positioning, later-stage assembly and fixation are affected, and the blind holes are unstable during positioning, so that the circuit boards are easy to shift, and holes are not smooth enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a structure succinct, realize that quick positioning clamp possesses a circuit board blind hole drilling clamping mechanism of locking function simultaneously.

The utility model adopts the technical proposal that: the utility model discloses a base, sliding seat, at least two sets of locking Assembly and at least two sets of supporting shoe, the base with sliding seat sliding fit, it is a plurality of locking Assembly sets up respectively the base with on the sliding seat, it is a plurality of the supporting shoe respectively with a plurality of locking Assembly roof pressure cooperation, it is a plurality of the supporting shoe respectively with the base with sliding seat sliding fit.

Furthermore, the locking assembly is provided with a locking lug, the locking assembly comprises a locking head, a connecting rod, a spring and a convex ring, the locking head is in threaded connection with the connecting rod, the convex ring is arranged at the lower end of the connecting rod, and the spring is sleeved on the connecting rod and is in abutting fit with the convex ring.

Further, the locking head is provided with a locking lug, and the supporting block is provided with a jacking lug matched with the locking lug.

Furthermore, a sliding groove is formed in the sliding seat, a pressing block is arranged inside the sliding groove, and a pressing screw matched with the pressing block is arranged on the base.

Further, a cushion pad is arranged at the lower end of the locking component.

Further, the buffer cushion is of a rubber structure.

Furthermore, a gasket is arranged on the base and is of a metal structure.

The utility model has the advantages that: the utility model adopts an elastic pressing form, utilizes the resilience force of the spring to apply stable downward pressure to the circuit board, and the position of the circuit board is stable in the blind hole drilling process, thereby avoiding the error caused by vibration deviation and the condition that the opening is not smooth enough; the structure design of the supporting block is adopted, and the locking component is quickly jacked and fixed in a sliding fit mode of the bevel angle and the circular corner surface, so that the use is simple and convenient, and the board changing and stacking efficiency of the circuit board is improved; adopt slidingtype latch segment structural design, realize quick location locking, reduce because mechanical shock brings the sliding seat displacement, influence the machining precision.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the locking assembly and the supporting block of the present invention;

fig. 3 is a schematic structural view of the sliding seat of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

Detailed Description

As shown in fig. 1 to 4, in this embodiment, the utility model discloses a base 1, sliding seat 2, at least two sets of locking Assembly 3 and at least two sets of supporting shoe 4, base 1 with 2 sliding fit of sliding seat, it is a plurality of locking Assembly 3 sets up respectively base 1 with on the sliding seat 2, it is a plurality of supporting shoe 4 respectively with a plurality of 3 roof pressure cooperations of locking Assembly, it is a plurality of supporting shoe 4 respectively with base 1 with 2 sliding fit of sliding seat, the ladder groove has been seted up on the base 1, be equipped with on the sliding seat 2 with ladder groove matched with ladder piece. Adopt cascaded direction cooperation to slide, the succinct simplification installation procedure of structure realizes the installation of high-speed match, improves work efficiency.

In this embodiment, the locking assembly 3 includes a locking head 31, a connecting rod 32, a spring 33 and a convex ring 34, the locking head 31 is in threaded connection with the connecting rod 32, the convex ring 34 is disposed at the lower end of the connecting rod 32, and the spring 33 is sleeved on the connecting rod 32 and is in press fit with the convex ring 34. Adopt elasticity pressfitting form, utilize spring 33 resilience force to exert stable overdraft to the circuit board, circuit board position stability in the blind hole drilling process avoids the error and the trompil smooth condition inadequately that lead to by vibrations skew.

In this embodiment, the locking head 31 is provided with a locking protrusion 311, the supporting block 4 is provided with a jacking protrusion 41 matched with the locking protrusion 311, the locking head 31 is provided with an inclination angle, the locking protrusion 311 and the jacking protrusion 41 are provided with matched round corners, and matching planes which are mutually pressed are arranged in the locking protrusion 311 and the jacking protrusion 41. Adopt the structural design of supporting shoe 4, through oblique angle and fillet face sliding fit's form, realize quick jack-up fixed to locking Assembly 3, convenience simple to use improves the circuit board and trades board and fold board efficiency.

In this embodiment, the sliding seat 2 is provided with a sliding groove 21, a pressing block 22 is arranged inside the sliding groove 21, the base 1 is provided with a pressing screw 23 matched with the pressing block 22, the pressing block is arranged inside the sliding groove, and the pressing block 22 is put into the sliding groove 21 from one end and connected with the pressing screw. Adopt slidingtype latch segment structural design, realize quick location locking, reduce because mechanical shock brings the displacement of sliding seat 2, influence machining precision.

In this embodiment, the lower end of the locking component 3 is provided with a cushion pad 35, and the cushion pad 35 is horn-shaped. Adopt blotter 35 structure, reduce the holding down force simultaneously with circuit board surface flexible contact, avoid holding down force too big to cause the damage to circuit board surface.

In this embodiment, the cushion pad 35 is of a rubber structure.

In this embodiment, a gasket 5 is further disposed on the base 1, the gasket 5 is of a metal structure, and the gasket 5 structure supplements a vacancy between the sliding seat 2 and the base 1, so as to provide a smooth processing environment for processing the circuit board.

The utility model discloses a theory of operation:

loosening the locking screw positioned below, adjusting the position of the sliding block according to the position of the circuit board to be processed, and then adjusting the locking screw to be compact;

promote two sets of supporting shoe 4, supporting shoe 4 supporting and jack-up sticiss the subassembly, and gasket 5 is placed on base 1 surface, will wait to process the circuit board and put into between base 1 and the sliding seat 2, wait to place stable back, pull open two sets of supporting shoes 4, sticiss subassembly downstream under the spring 33 resilience force effect, applys stable and invariable holding down force to the circuit board.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not intended to limit the scope of the invention, and modifications and combinations with other embodiments will be apparent to those skilled in the art in light of the description.

Claims

1. The utility model provides a circuit board blind hole drilling clamping mechanism which characterized in that: the locking mechanism comprises a base (1), a sliding seat (2), at least two groups of locking assemblies (3) and at least two groups of supporting blocks (4), wherein the base (1) is in sliding fit with the sliding seat (2), the locking assemblies (3) are arranged on the base (1) and the sliding seat (2) respectively, the supporting blocks (4) are in top pressure fit with the locking assemblies (3) respectively, and the supporting blocks (4) are in sliding fit with the base (1) and the sliding seat (2) respectively.

2. The clamping mechanism for blind hole drilling of circuit board according to claim 1, wherein: locking subassembly (3) are including locking head (31), connecting rod (32), spring (33) and bulge loop (34), locking head (31) with connecting rod (32) threaded connection, bulge loop (34) set up connecting rod (32) lower extreme, spring (33) cover is established on connecting rod (32) and with bulge loop (34) roof pressure cooperation.

3. The blind hole drilling and clamping mechanism for circuit boards as claimed in claim 2, wherein: the locking head (31) is provided with a locking lug (311), and the supporting block (4) is provided with a jacking lug (41) matched with the locking lug (311).

4. The blind hole drilling and clamping mechanism for circuit boards as claimed in claim 1, wherein: a sliding groove (21) is formed in the sliding seat (2), a pressing block (22) is arranged inside the sliding groove (21), and a pressing screw (23) matched with the pressing block (22) is arranged on the base (1).

5. The blind hole drilling and clamping mechanism for circuit boards as claimed in claim 1, wherein: the lower end of the locking component (3) is provided with a cushion pad (35).

6. The blind hole drilling and clamping mechanism for circuit boards as claimed in claim 5, wherein: the buffer pad (35) is of a rubber structure.

7. The blind hole drilling and clamping mechanism for circuit boards as claimed in claim 1, wherein: the base (1) is further provided with a gasket (5), and the gasket (5) is of a metal structure.