Split type PCB drill bit

Abstract

The utility model discloses a split type PCB drill bit which comprises a bearing rod and a connecting rod, the bearing rod is connected to the surface of the connecting rod in an inserted mode, a positioning assembly is arranged on the surface of the connecting rod, a drill bit is fixedly connected to the lower end of the connecting rod, a locking assembly is arranged between the bearing rod and the connecting rod, and the connecting rod is inserted into an inserting groove of the bearing rod. A second locking through groove is made to be aligned with a second locking through groove in a bearing rod, a locking rod penetrates through the first locking through groove and the second locking through groove, it is ensured that a second built-in thread of the locking rod is aligned with a first built-in thread of the second locking through groove, the locking rod is rotated, the second built-in thread is made to be meshed with the first built-in thread, and locking is achieved. And after the locking rod is fixed, the connecting rod is firmly fixed to the bearing rod, it is ensured that the drill bit cannot be loosened in the using process, and the positioning assembly is used for ensuring that the position of the drill bit is accurate and safe when the drill bit is used and stored.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB drill bit technical field, specifically is a split type PCB drill bit. BACKGROUND

[0002] In the daily use process of PCB drill bit, the lower drill bit of PCB drill bit is often worn, and the PCB drill bit needs to be replaced after a certain degree of wear. The replaced PCB drill bit cannot be used normally due to wear, and direct elimination will cause a lot of waste and increase the use cost. Therefore, the technical personnel in the field provide a split type PCB drill bit to solve the problems in the above background technology. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a split type PCB drill bit to solve the problems in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A split type PCB drill bit, including receiving rod and connecting rod, the connecting rod surface is inserted with receiving rod, the connecting rod surface is provided with positioning assembly, the lower end of connecting rod is fixedly connected with drill bit, and the locking assembly is arranged between receiving rod and connecting rod.

[0006] Further, the locking assembly includes first locking groove, locking rod, second locking groove, first built-in thread and second built-in thread, a group of oppositely arranged second locking grooves are formed in the surface of receiving rod, and the two second locking grooves are in the same horizontal plane.

[0007] Further, the second locking groove is located between two adjacent second locking grooves, and the second locking groove and the second locking groove are in the same horizontal plane.

[0008] Further, the receiving rod and the connecting rod are provided with the locking rod, the locking rod is arranged in the first locking groove and the second locking groove, the surface of the locking rod is provided with the second built-in thread, and the second locking groove is provided with the first built-in thread matched with the second built-in thread.

[0009] Further, the locking assembly includes positioning ring, first side fixed thread and second side fixed thread, the receiving rod surface is sleeved with receiving rod, and the two ends of connecting rod are fixedly connected with oppositely arranged first side fixed threads.

[0010] Further, the second side fixed thread matched with the first side fixed thread is arranged in the positioning ring, and the positioning ring is fixedly connected on the connecting rod through the first side fixed thread and the second side fixed thread.

[0011] By adopting the technical scheme,

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The connecting rod can be fixed at the receiving rod through the locking assembly, so that the drill bit is fixed on the receiving rod, the receiving rod can provide better extension effect for the drill bit, the drill bit can be fixed on the machine tool, the damaged drill bit can be disassembled through the locking assembly and replaced with a new drill bit for use after a certain length of use, only the drill bit is replaced, and the weight can be further reduced when the drill bit is transported to the repair factory for maintenance, thereby reducing transportation cost.

[0014] 2. The locking assembly can ensure that the positioning ring is fixed at the expected position, so that the drill bit has better stability when the drill bit is installed and stored, and the drill bit is better used. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of a split type PCB drill bit;

[0016] Fig. 2 It is a whole explosion structure schematic view of a split type PCB drill bit;

[0017] Fig. 3 It is a whole structure schematic view of a receiving rod in a split type PCB drill bit;

[0018] Fig. 4 It is a front view sectional structure schematic view of a split type PCB drill bit;

[0019] In the drawing: 1, receiving rod; 2, connecting rod; 3, positioning ring; 4, drill bit; 5, first locking groove; 6, locking rod; 7, second locking groove; 8, first side fixing thread; 9, first built-in thread; 10, second built-in thread; 11, second side fixing thread. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific implementation manners. In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "another end" indicate the orientation or position relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and the specific meaning of the above terms in the utility model can be understood by the person skilled in the art according to the specific circumstances.

[0021] Please refer toFigs. 1-4 The utility model provides a kind of embodiment, a split type PCB drill bit, including receiving rod 1 and connecting rod 2, the connecting rod 2 surface is inserted with receiving rod 1, connecting rod 2 surface is provided with positioning assembly, connecting rod 2 lower end is fixedly connected with drill bit 4, receiving rod 1 and connecting rod 2 between being provided with locking assembly, drill bit 4 part can be fixed on receiving rod 1 by locking assembly, in turn better adaptation machine tool can be, and this receiving rod 1 can be customized, in turn the size of different machine tool can be adapted, simultaneously, with the assistance of positioning assembly, the whole device can have better storage effect and application adaptability.

[0022] In the embodiment, the locking assembly includes a first locking slot 5, a locking rod 6, a second locking slot 7, a first internal thread 9 and a second internal thread 10. The receiving rod 1 has a group of oppositely arranged second locking slots 7 on its surface, and the two second locking slots 7 are in the same horizontal plane. The connecting rod 2 has a second locking slot 7 on its surface, and the second locking slot 7 is located between two adjacent second locking slots 7, and the second locking slot 7 is in the same horizontal plane as the second locking slots 7. The receiving rod 1 and the connecting rod 2 are provided with a locking rod 6. The locking rod 6 is placed in the first locking slot 5 and the second locking slot 7. The locking rod 6 is provided with a second internal thread 10 on its surface. The second locking slot 7 is provided with a first internal thread 9 that cooperates with the second internal thread 10. The second internal thread 10 on the locking rod 6 cooperates with the first internal thread 9 in the second locking slot 7, and the locking rod 6 is fixed in the second locking slot 7. The connecting rod 2 is better fixed on the receiving rod 1. At this time, the receiving rod 1 and the connecting rod 2 are fixed by the machine clamping component, and can be used.

[0023] In the embodiment, the locking assembly includes a positioning ring 3, a first side fixing thread 8 and a second side fixing thread 11. The receiving rod 1 is sleeved on the receiving rod 1. The connecting rod 2 is fixedly connected with oppositely arranged first side fixing threads 8 at both ends. The positioning ring 3 is provided with a second side fixing thread 11 that cooperates with the first side fixing thread 8 in the positioning ring 3. The positioning ring 3 is fixedly connected to the connecting rod 2 by the first side fixing thread 8 and the second side fixing thread 11. The positioning ring 3 is fixed at the expected position of the receiving rod 1 and the connecting rod 2 by the cooperation of the first side fixing thread 8 and the second side fixing thread 11. In the use of the device, the positioning ring 3 can better define the installation position. When stored, the drill bit 4 can also be in a hollow state, thereby protecting the integrity of the drill bit 4.

[0024] Insert the connecting rod 2 into the socket of the receiving rod 1, align the second locking slot 7 with the second locking slot 7 on the receiving rod 1, pass the locking rod 6 through the first locking slot 5 and the second locking slot 7, ensure that the second internal thread 10 of the locking rod 6 is aligned with the first internal thread 9 of the second locking slot 7, rotate the locking rod 6 so that the second internal thread 10 engages with the first internal thread 9, thereby fixing the locking rod 6 in the second locking slot 7, after the locking rod 6 is fixed, the connecting rod 2 is firmly fixed on the receiving rod 1, ensuring that the drill bit 4 will not loosen during use, and the positioning assembly is used to ensure the accurate and safe position of the drill bit 4 during use and storage.

[0025] The connecting rod 2 can be fixed at the receiving rod 1 by the locking assembly, and then the drill bit 4 is fixed on the receiving rod 1, at this time the receiving rod 1 can provide better extension effect for the drill bit 4, so that it can be fixed on the machine tool, and then after a certain length of use, the damaged drill bit 4 can be removed by the locking assembly and replaced with a new drill bit 4 for use, and only the drill bit 4 is replaced, which can further reduce its weight when subsequently transported to the repair factory for maintenance, thereby reducing transportation costs.

[0026] At the same time, the locking assembly can ensure that the positioning ring 3 is fixed at the desired position, thereby providing better stability for the drill bit 4 during installation and storage of the drill bit 4, and assisting the drill bit 4 to be used better.

[0027] The present specification is described according to the embodiments, but each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for clarity, and the person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by the person skilled in the art.

Claims

1. A split PCB drill comprising a receiving rod (1) and a connecting rod (2), characterized in that, The connecting rod (2) surface is inserted with a receiving rod (1), the connecting rod (2) surface is provided with a positioning assembly, the lower end of the connecting rod (2) is fixedly connected with a drill bit (4), and the receiving rod (1) and the connecting rod (2) are provided with a locking assembly.

2. The split PCB drill bit of claim 1, wherein, The locking assembly comprises a first locking slot (5), a locking rod (6), a second locking slot (7), a first built-in thread (9) and a second built-in thread (10), the receiving rod (1) surface is provided with a group of oppositely arranged second locking slots (7), and the two second locking slots (7) are in the same horizontal plane.

3. The split PCB drill bit of claim 2, wherein, The connecting rod (2) surface is provided with a second locking slot (7), the second locking slot (7) is located between two adjacent second locking slots (7), and the second locking slot (7) is in the same horizontal plane with the second locking slot (7).

4. The split PCB drill bit of claim 3, wherein, The receiving rod (1) and the connecting rod (2) are provided with a locking rod (6), the locking rod (6) is arranged in the first locking slot (5) and the second locking slot (7), the locking rod (6) surface is provided with a second built-in thread (10), and the second locking slot (7) is provided with a first built-in thread (9) matched with the second built-in thread (10).

5. The split PCB drill bit of claim 4, wherein, The locking assembly comprises a positioning ring (3), a first side fixing thread (8) and a second side fixing thread (11), the receiving rod (1) surface is sleeved with the receiving rod (1), and the two ends of the connecting rod (2) are fixedly connected with oppositely arranged first side fixing threads (8).

6. The split PCB drill bit of claim 5, wherein, The positioning ring (3) is provided with a second side fixing thread (11) matched with the first side fixing thread (8), and the positioning ring (3) is fixedly connected on the connecting rod (2) through the first side fixing thread (8) and the second side fixing thread (11).

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