Circuit board drilling groove cutter

Abstract

The utility model belongs to the technical field of circuit board processing, and particularly relates to a circuit board drilling groove cutter which comprises a groove cutter, a sliding groove and cutter holders, the cutter holders are arranged into a group in mirror symmetry, the number of the cutter holders is two, sliding strips are fixedly connected to the inner walls of the cutter holders in an array mode, and the two cutter holders are fixedly connected through the sliding strips. Chip grooves are formed in the two sides of the two tool aprons in a penetrating mode, transverse plates are fixedly connected to the inner walls of the chip grooves, and a countersunk blade is fixedly connected to the position, located on one side of the transverse plate, of the outer wall of one tool apron. When drilling is conducted, one hole pattern can be machined at a time, it is avoided that when one hole is drilled, tools need to be replaced frequently and alternately, and drilling of other hole patterns can be adapted by adjusting the direction of the tool apron, so that needed tool materials are saved, cost is saved, operation steps are simplified, machining efficiency is improved, and time and labor are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board processing, and in particular relates to a circuit board drilling slot cutter. Background Art

[0002] Circuit boards are also known as PCB boards, printed circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts. Circuit boards are made of polyimide or polyester film as a substrate and are highly reliable, with high wiring density, light weight, thin thickness, and good bendability. The birth and development of the rigid-flexible board-FPC and PCB gave birth to a new product, the rigid-flexible board. Therefore, the rigid-flexible board is a flexible circuit board and a rigid circuit board, which are combined together through lamination and other processes according to relevant process requirements to form a circuit board with FPC characteristics and PCB characteristics.

[0003] When drilling holes in circuit boards with conventional circuit board drilling slot cutters, common hole types are countersunk holes, stepped holes, countersunk holes, etc. Due to different hole types and different functions, different holes need to be drilled with corresponding tools. Drilling a hole often requires several tools to be replaced alternately, which increases the use cost and processing steps, resulting in low processing efficiency and time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a circuit board drilling slot cutter, which can complete the processing of one hole type at a time when drilling a hole, avoiding the need to frequently replace the tool when drilling a hole, and can also adapt to the drilling of other hole types by adjusting the direction of the tool holder, thereby saving the required tool materials, saving costs, simplifying the operating steps, improving processing efficiency, and saving time and labor.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A circuit board drilling slot cutter comprises a slot cutter, a sliding slot and a tool holder, the tool holders being arranged as a mirror-symmetrical group, one group consisting of two, the inner walls of the tool holders being fixedly connected with a sliding bar in an array, the two tool holders being fixedly connected by the sliding bar, both sides of the two tool holders being provided with chip removal grooves through-through, the inner walls of the chip removal grooves being fixedly connected with a transverse plate, the outer wall of one of the tool holders being fixedly connected with a countersunk blade on one side of the transverse plate, the outer wall of the other tool holder being fixedly connected with a countersunk blade on one side of the transverse plate, an embedding groove being provided through-through between the two tool holders, the inner wall of the embedding groove being symmetrically slidably plugged with an embedding plate, the outer wall of the sliding groove being symmetrically fixedly connected with a support plate below the tool holder.

[0007] The sliding grooves are arranged in an array on the outer wall of the groove cutter, and the cutter seat is slidably connected to the sliding grooves via a sliding bar.

[0008] An insert block is symmetrically fixedly connected to one side of the insert plate, and a screw rod is slidably connected to the middle of the insert plate.

[0009] The outer wall of the groove cutter is provided with a hole groove for the insert to be movably inserted.

[0010] The groove cutter is simultaneously rotatably threadedly connected with the screw rod.

[0011] The technical effect achieved by the utility model is that when drilling, one hole type can be processed at one time, avoiding the need to frequently replace the tool when drilling a hole, and the direction of the tool holder can be adjusted to adapt to the drilling of other hole types, thereby saving the required tool materials, saving costs, simplifying the operating steps, improving processing efficiency, and saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an overall appearance diagram of a circuit board drilling slot cutter provided in an embodiment of the utility model;

[0013] Figure 2 This is a structural disassembly diagram of a circuit board drilling slot cutter provided in an embodiment of the utility model;

[0014] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle.

[0015] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0016] 1. Grooving cutter; 101. Cutter holder; 102. Sliding groove; 103. Chip groove; 104. Countersunk blade; 105. Insert plate; 106. Support plate; 107. Sliding bar; 108. Screw; 109. Insert block; 110. Countersunk blade; 111. Cross plate; 112. Grooving cutter. DETAILED DESCRIPTION

[0017] In order to make the purpose and advantages of the utility model more clear, the utility model is specifically described in combination with the following embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0018] like Figure 1-3As shown, a circuit board drilling slot cutter comprises a slot cutter 1, a sliding groove 102 and a tool holder 101, wherein the sliding groove 102 is arranged in an array on the outer wall of the slot cutter 1, the tool holder 101 is arranged as a mirror-symmetrical group, a group of two, the inner wall of the tool holder 101 is fixedly connected with a sliding bar 107 in an array, the two tool holders 101 are fixedly connected by the sliding bar 107, the tool holder 101 is slidably connected with the sliding groove 102 by the sliding bar 107, both sides of the two tool holders 101 are penetrated with a chip removal groove 103, the inner wall of the chip removal groove 103 is fixedly connected with a transverse plate 111, and the outer wall of one of the tool holders 101 and located on one side of the transverse plate 111 is fixedly connected. A countersunk blade 110 is fixedly connected thereto, a countersunk blade 104 is fixedly connected to the outer wall of the other tool holder 101 and located on one side of the cross plate 111, an embedding groove 112 is penetrated through the two tool holders 101, an inlay plate 105 is symmetrically slidably inserted into the inner wall of the embedding groove 112, an inlay block 109 is symmetrically fixedly connected to one side of the inlay plate 105, a screw rod 108 is slidably connected to the middle part of the inlay plate 105, a hole groove for movable insertion of the inlay block 109 is opened on the outer wall of the groove cutter 1, and the groove cutter 1 is rotatably screwed with the screw rod 108 at the same time, and a support plate 106 is symmetrically fixedly connected to the outer wall of the sliding groove 102 and located below the tool holder 101.

[0019] According to the above structure, the slide bar 107 is inserted into the slide groove 102, the tool holder 101 slides down from the top of the slot cutter 1 and falls on the top of the support plate 106, the insert plate 105 is inserted into the insert groove 112, the insert block 109 is embedded in the hole groove of the tool holder 101, and the screw rod 108 is rotated to screw it with the tool holder 101, so that the position of the tool holder 101 can be fixed. By turning the direction of the tool holder 101, the countersunk blade 104 or the countersunk blade 110 can be switched. When drilling, the slot cutter 1 first performs preliminary drilling, and then continues to drill, so that the countersunk blade 110 is used. 0 or countersunk blade 104 contacts the circuit board for drilling, and different hole types can be obtained at one time. The drilling powder and slag foam enter the chip groove 103 along the top of the countersunk blade 110 or the countersunk blade 104 and are discharged. When drilling, the utility model can complete one hole type at one time, avoiding the need to frequently replace the tool when drilling a hole, and can also adapt to the drilling of other hole types by adjusting the direction of the tool holder 101, thereby saving the required tool materials, saving costs, simplifying the operation steps, improving the processing efficiency, and saving time and labor.

[0020] The working principle of the utility model is as follows: the slide bar 107 is inserted into the slide groove 102, the tool holder 101 slides down from the top of the slot cutter 1 and falls on the top of the support plate 106, the inlay plate 105 is inserted into the inlay groove 112, the inlay block 109 is embedded in the hole groove of the tool holder 101, and the screw rod 108 is rotated to screw it with the tool holder 101 to fix the position of the tool holder 101. By turning the direction of the tool holder 101, the countersunk blade 104 or the countersunk blade 110 can be switched for use. When drilling, the slot cutter 1 first performs preliminary drilling, and then continues to drill down so that the countersunk blade 110 or the countersunk blade 104 contacts the drilling circuit board, and different hole types can be obtained at one time. The drilled powder and slag foam enter the chip groove 103 along the top of the countersunk blade 110 or the countersunk blade 104 and are discharged.

[0021] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A circuit board drilling slot cutter, comprising a slot cutter (1), a sliding slot (102) and a cutter holder (101), characterized in that: The tool seats (101) are arranged in a mirror-symmetrical group, each group consisting of two. The inner wall of the tool seat (101) is fixedly connected with a sliding bar (107) in an array manner. The two tool seats (101) are fixedly connected via the sliding bar (107). Both sides of the two tool seats (101) are provided with a chip removal groove (103) through-through. The inner wall of the chip removal groove (103) is fixedly connected with a transverse plate (111). The outer wall of one of the tool seats (101) is located on the transverse plate (111). A countersunk blade (110) is fixedly connected to one side of the blade holder (11), a countersunk blade (104) is fixedly connected to the outer wall of the other blade holder (101) and located on one side of the cross plate (111), an embedding groove (112) is provided between the two blade holders (101), an embedding plate (105) is symmetrically slidably inserted into the inner wall of the embedding groove (112), and a support plate (106) is symmetrically fixedly connected to the outer wall of the sliding groove (102) and located below the blade holder (101).

2. A circuit board drilling cutter according to claim 1, characterized in that: The sliding grooves (102) are arranged in an array on the outer wall of the groove cutter (1), and the cutter seat (101) is slidably connected to the sliding grooves (102) via a sliding bar (107).

3. A circuit board drilling cutter according to claim 1, characterized in that: An insert block (109) is symmetrically fixedly connected to one side of the insert plate (105), and a screw rod (108) is slidably connected to the middle of the insert plate (105).

4. A circuit board drilling cutter according to claim 3, characterized in that: The outer wall of the groove cutter (1) is provided with a hole groove for the insert (109) to be movably inserted.

5. A circuit board drilling cutter according to claim 3, characterized in that: The groove cutter (1) is simultaneously rotatably threadedly connected to the screw rod (108).

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