Pin withdrawing device for circuit board processing

Abstract

The utility model relates to a pin withdrawing device for circuit board processing, which comprises a working table, a support frame is arranged on the working table, a sliding seat capable of sliding up and down and a power mechanism for driving the sliding seat to slide up and down are arranged on the front side of the support frame, and an ejector pin is arranged at the lower end of the sliding seat. A notch is formed in the position, under the ejector pin, of the workbench. Adjustable limiting assemblies capable of adjusting the left-right distance are arranged on the positions, on the left side and the right side of the notch, of the workbench. The adjustable limiting assemblies are arranged on the left side and the right side of the notch, so that the panel can be limited, the ejector pin is aligned with a pin of the panel, rapid positioning and rapid pin retreating work can be achieved, and the working intensity of operators is relieved; in addition, the positions of the two adjustable limiting assemblies can be adjusted according to the positions of the pins of the different panels, so that the device can adapt to pin withdrawing work of the panels of different specifications, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production, in particular to a pin-removing device used for circuit board processing. Background Art

[0002] PCB board, also known as printed circuit board, is the provider of electrical connections for electronic components. During the production process, when punching the mounting holes in the circuit board, it is necessary to stack the circuit boards in multiple layers to form a circuit board group, and then put pins on them to assist in positioning the punching of the mounting holes. After the mounting holes are punched, the pins need to be removed, so a circuit board pin removal machine is used to complete the pin removal operation.

[0003] Most of the existing circuit board pin removal machines rely on visual inspection to find the center of the pin, so the circuit board is prone to shifting during the pin removal process, which not only damages the panel but also affects the working efficiency of the pin removal machine. Utility Model Content

[0004] The utility model aims to solve one of the problems existing in the existing related technologies to at least a certain extent. To this end, the utility model provides a pin-removing device for circuit board processing.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pin-removing device for circuit board processing comprises a workbench, a support frame is arranged on the workbench, a sliding seat that slides up and down and a power mechanism that drives the sliding seat to slide up and down are arranged on the front side of the support frame, an ejector pin is arranged at the lower end of the sliding seat, a notch is arranged on the workbench and directly below the ejector pin, and an adjustable limit assembly that can adjust the left and right spacing is arranged on the workbench and on the left and right sides of the notch.

[0007] In some embodiments, the adjustable limit assembly includes a limit horizontal plate and a fixing bolt, a horizontal slide groove is provided on the limit horizontal plate, a threaded hole is provided on the workbench, the threaded end of the fixing bolt passes through the horizontal slide groove and is threadedly connected to the threaded hole, and the threaded head of the fixing bolt is pressed against the limit horizontal plate.

[0008] In some embodiments, a buffer pad is provided on the limiting horizontal plate and directly below the sliding seat.

[0009] In some embodiments, the notch includes a V-shaped groove disposed on the front side of the workbench, a vertical groove is connected to the bottom of the V-shaped groove, and the vertical groove is disposed directly below the ejector pin.

[0010] In some embodiments, support columns are provided at the four corners of the lower end of the workbench, and a bottom plate is also included, and the support columns are fixedly provided on the bottom plate.

[0011] In some embodiments, a separation space is formed between the workbench and the bottom plate, and a collection box is movably arranged in the separation space.

[0012] In some embodiments, the power mechanism is a cylinder disposed on the front side of the support frame, and the piston rod of the cylinder is fixedly connected to the sliding seat.

[0013] In some embodiments, a protective cover is provided on the front side of the support frame, and the sliding seat is located inside the protective cover.

[0014] Compared with the prior art, the beneficial effects of the utility model are: by arranging adjustable limit assemblies on the left and right sides of the notch, the panel can be limited, so that the top pin is aligned with the pin of the panel, thereby achieving rapid positioning and rapid pin withdrawal, thereby reducing the workload of the operator; in addition, the positions of the two adjustable limit assemblies can be adjusted according to the positions of the pins of different panels, so as to adapt to the pin withdrawal work of panels of different specifications, and the utility model is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the panel pin withdrawal operation of the utility model;

[0016] Figure 2 It is a three-dimensional schematic diagram of the pin-removing device of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of the pin withdrawal device of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the adjustable limit assembly of the utility model. DETAILED DESCRIPTION

[0019] The following specific implementation contents provide a variety of different embodiments or examples for implementing the utility model. Of course, these are only embodiments or examples and are not intended to be limiting. In addition, repeated reference numerals may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model and do not represent a specific relationship between the different embodiments and / or structures discussed.

[0020] like Figure 1-Figure 4A pin-removing device for circuit board processing shown in the figure includes a workbench 1, a support frame 2 is arranged on the workbench 1, a sliding seat 3 that slides up and down and a power mechanism that drives the sliding seat 3 to slide up and down are arranged on the front side of the support frame 2, a ejector pin 4 is arranged at the lower end of the sliding seat 3, a notch 5 is arranged on the workbench 1 and directly below the ejector pin 4, and an adjustable limit assembly that can adjust the left and right spacing is arranged on the workbench 1 and on the left and right sides of the notch 5.

[0021] By arranging adjustable limit assemblies on the left and right sides of the notch 5, the panel 10 can be limited so that the ejector pin 4 is aligned with the pin of the panel 10, thereby achieving rapid positioning and rapid pin withdrawal, thereby reducing the workload of the operator; in addition, the positions of the two adjustable limit assemblies can be adjusted according to the positions of the pins of different panels, thereby being able to adapt to the pin withdrawal work of panels of different specifications, and having strong practicality.

[0022] See also Figure 1 , Figure 4 As shown, the adjustable limit assembly includes a limit transverse plate 21 and a fixing bolt 22, a transverse groove 23 is arranged on the limit transverse plate 21, a threaded hole 24 is arranged on the workbench 1, the threaded end of the fixing bolt 22 passes through the transverse groove 23 and is threadedly connected with the threaded hole 24, and the threaded head of the fixing bolt 22 is pressed against the limit transverse plate 21; during the adjustment operation, the fixing bolt 22 is first loosened, and then the fixing bolt 22 is used for limiting, so that the transverse groove 23 is sleeved on the fixing bolt 22 for movement and adjustment, and after the adjustment is completed, the fixing bolt 22 can be directly tightened.

[0023] See also Figure 1 As shown, the corners of the panel 10 are arranged between two limiting transverse plates 21 , and the panel 10 is limited by the two limiting transverse plates 21 so that the ejector pin 4 is aligned with the pin of the panel 10 .

[0024] Furthermore, a buffer pad 31 is provided on the limit horizontal plate 21 and directly below the sliding seat 3 , which can prevent the sliding seat 3 from directly hitting the panel 10 when moving downward, thereby improving the safety protection effect.

[0025] See also Figure 2 , Figure 4 As shown, the notch 5 includes a V-shaped groove 41 arranged on the front side of the workbench 1, and a vertical groove 42 is opened at the bottom of the V-shaped groove 41, and the vertical groove 42 is arranged directly below the ejector 4; during operation, the pin of the panel 10 is guided into the vertical groove 42 through the V-shaped groove 41, and the pin can be limited by the vertical groove 42 to ensure that the ejector 4 can be accurately pressed on the pin of the panel 10.

[0026] In the present invention, support columns 51 are arranged at the four corners of the lower end of the workbench 1 , and a bottom plate 52 is also included. The support columns 51 are fixedly arranged on the bottom plate 52 .

[0027] Furthermore, a separation space is formed between the workbench 1 and the bottom plate 52 , and a collection box 61 is movably arranged in the separation space, and the ejected pins fall into the collection box 61 for collection and processing.

[0028] See also Figure 1-Figure 3 As shown, the power mechanism is a cylinder 71 disposed on the front side of the support frame 2 , and the piston rod of the cylinder 71 is fixedly connected to the sliding seat 3 .

[0029] Furthermore, a protective cover 81 is provided on the front side of the support frame 2 , and the sliding seat 3 is located inside the protective cover 81 .

[0030] Combined with the drawings and the above display and description of the basic principles and main features of the utility model and the advantages of the utility model, the technical personnel in the industry should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pin removal device for circuit board processing, characterized in that: The invention comprises a workbench (1), a support frame (2) is arranged on the workbench (1), a sliding seat (3) which slides up and down and a power mechanism which drives the sliding seat (3) to slide up and down are arranged on the front side of the support frame (2), a pin (4) is arranged at the lower end of the sliding seat (3), a notch (5) is arranged on the workbench (1) and directly below the pin (4), and an adjustable limit assembly which can adjust the left and right spacing is arranged on the workbench (1) and on the left and right sides of the notch (5).

2. A pin removal device for circuit board processing according to claim 1, characterized in that: The adjustable limit assembly comprises a limit transverse plate (21) and a fixing bolt (22); a transverse sliding groove (23) is arranged on the limit transverse plate (21); a threaded hole (24) is arranged on the workbench (1); a threaded end of the fixing bolt (22) passes through the transverse sliding groove (23) and is threadedly connected to the threaded hole (24); and the threaded head of the fixing bolt (22) is pressed against the limit transverse plate (21).

3. A pin removal device for circuit board processing according to claim 2, characterized in that: A buffer pad (31) is arranged on the limiting horizontal plate (21) and directly below the sliding seat (3).

4. A pin removal device for circuit board processing according to claim 1, characterized in that: The notch (5) comprises a V-shaped groove (41) arranged on the front side of the workbench (1), the bottom of the V-shaped groove (41) is connected to a vertical groove (42), and the vertical groove (42) is arranged directly below the ejector pin (4).

5. The pin removal device for circuit board processing according to claim 1, characterized in that: Support columns (51) are arranged at the four corners of the lower end of the workbench (1), and also include a bottom plate (52), wherein the support columns (51) are fixedly arranged on the bottom plate (52).

6. A pin removal device for circuit board processing according to claim 5, characterized in that: A separation space is formed between the workbench (1) and the bottom plate (52), and a collection box (61) is movably arranged in the separation space.

7. A pin removal device for circuit board processing according to claim 1, characterized in that: The power mechanism is a cylinder (71) arranged on the front side of the support frame (2), and the piston rod of the cylinder (71) is fixedly connected to the sliding seat (3).

8. The pin removal device for circuit board processing according to claim 1, characterized in that: A protective cover (81) is provided on the front side of the support frame (2), and the sliding seat (3) is located inside the protective cover (81).

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