Screw tap for drilling

Abstract

The utility model relates to the technical field of drilling processing, in particular to a screw tap for drilling. Comprising a screw tap handle, a screw tap body is arranged at one end of the screw tap handle, a protective shell is arranged on the surface of the screw tap body, an end protective shell is arranged at one end of the protective shell, a screw tap mounting end is fixedly connected to one end of the screw tap handle, and a plurality of fixing clamping blocks are arranged on the surface of the screw tap mounting end. A screw tap end is arranged at one end of the screw tap body, a wear-resisting layer is arranged on the surface of the screw tap body, a limiting assembly is arranged on the surface of the screw tap handle in a sleeving mode, a set of telescopic springs is arranged in each of two sets of limiting grooves, and a set of supporting vertical rods is arranged in each of the two sets of limiting grooves. The other ends of the two sets of supporting vertical rods are each provided with a set of rubber soft cushion. According to the embodiment, chippings can be treated, and the practicability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling processing, and particularly relates to a drill tap. Background Art

[0002] A tap is a tool for machining internal threads, which can be divided into spiral groove taps, edge inclination angle taps, straight groove taps, pipe thread taps, etc. according to the shape. Taps are the most mainstream machining tools used by manufacturing operators when tapping.

[0003] After retrieval, in the prior art, Chinese Patent Application No.: CN202123391512.X, Application Date: December 29, 2021, discloses a composite tap for drilling, tapping, chamfering and reaming. From front to back, it sequentially includes a machining section and a tool shank. The machining section sequentially includes a drilling section for drilling the workpiece, a tapping section for tapping the inner wall of the hole, a first chamfering section for chamfering the end of the internal thread, and a reaming section for reaming the upper through hole of the workpiece. The reaming section is connected to the tool shank. The drill bit includes a first spiral edge, the tapping section includes a second spiral edge, the first spiral edge is connected to the second spiral edge and their spiral angles are the same. A number of tapping teeth are arranged on the second spiral edge at intervals along the spiral direction. The chamfering section is arranged at the end of the second spiral edge, and the diameter of the reaming section is larger than that of the tapping section.

[0004] However, this device still has the following defects: Although the composite tap for drilling, tapping, chamfering and reaming in the above embodiment has the advantages of integrating multiple functions, reducing clamping, and reducing the processing cycle. However, the adjustment of the drilling depth of this device has limitations. If the debris generated by drilling is not processed, it is easy to be blocked and affect the subsequent work process. Summary of the Utility Model

[0005] In view of the above problems, the utility model provides a drill tap, which includes a tap shank. One end of the tap shank is provided with a tap cone. The surface of the tap cone is provided with a protective shell. One end of the protective shell is provided with a head protection shell. One end of the tap shank is fixedly connected with a tap installation head. The surface of the tap installation head is provided with several groups of fixed clamping blocks. One end of the tap cone is provided with a tap head. The surface of the tap cone is provided with a wear-resistant layer;

[0006] A limiting component is sleeved on the surface of the tap shank. Two groups of limiting grooves are symmetrically opened on one side surface of the limiting component. One group of limiting sleeves is arranged inside each of the two groups of limiting grooves. One group of telescopic springs is arranged inside each of the two groups of limiting grooves. One group of supporting vertical rods is arranged inside each of the two groups of limiting grooves. One group of rubber soft pads is arranged at the other ends of the two groups of supporting vertical rods. Two groups of fixed buckles are symmetrically arranged on the inner side wall of the limiting component. Two groups of fixed clamping grooves are symmetrically opened on the surface of the tap shank.

[0007] Further, a first chip removal groove is formed at one end of the surface of the tap shank. The first chip removal groove is located at the end of the tap shank and near one end of the tap cone. A second chip removal groove is formed on the surface of the tap cone, and the second chip removal groove is connected to the first chip removal groove in a through manner.

[0008] Further, the protective housing is movably sleeved on the tap cone, and the end head protective housing is located at the end of the protective housing and away from the tap shank.

[0009] Further, a sealing rubber ring is sleeved at one end of the protective housing, and the sealing rubber ring is attached to the surface of the tap shank.

[0010] Further, the tap mounting end head and the tap cone are symmetrically arranged with the central axis of the tap shank as the center, and threads are provided on the surface of the tap mounting end head.

[0011] Further, several groups of the fixed clamping blocks are all located at one end of the tap mounting end head, and several groups of the fixed clamping blocks are arranged in a circular array with the central axis of the tap mounting end head as the center.

[0012] Further, two sets of the telescopic springs are respectively located inside two sets of the limiting sleeves, and one ends of the two sets of the telescopic springs are respectively fixedly connected to one ends inside the two sets of the limiting sleeves.

[0013] Further, two sets of the support vertical rods are respectively in sliding fit with two sets of the limiting grooves, and one ends of the two sets of the support vertical rods respectively penetrate through one ends of the two sets of the limiting sleeves and are elastically connected to one ends of the two sets of the telescopic springs.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. By providing a protective housing on the surface of the tap cone, the protective housing is movably sleeved on the tap cone. The tap cone and the tap end head are protected by the protective housing and the end head protective housing, reducing the loss of the tap end head. Moreover, several groups of fixed clamping blocks are provided on the surface of the tap mounting end head, and several groups of the fixed clamping blocks are arranged in a circular array with the central axis of the tap mounting end head as the center, facilitating the disassembly and replacement of the tap cone while improving the installation firmness, achieving the effect of improving the service life while enhancing the convenience of equipment use.

[0016] 2. Through the setting of the limit component, during the drilling process, the tap cone moves downward to drill holes. During the downward movement of the tap cone, the two support vertical rods contact the plate to be drilled. Since one end of each of the two support vertical rods is connected to a telescopic spring, it can reduce the impact force caused by drilling, and while achieving a buffering effect, it can also limit the drilling depth. This not only reduces the impact force on the plate to prevent damage to the plate but also improves the practicality of the equipment.

[0017] Other features and advantages of the present utility model will be described in the subsequent description, and some of them will become obvious from the description or be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures pointed out in the description, claims, and drawings. Brief Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 Shows a schematic structural diagram according to an embodiment of the present utility model;

[0020] Figure 2 Shows a schematic structural diagram of the tap cone according to an embodiment of the present utility model;

[0021] Figure 3 Shows a schematic structural diagram of the limit component according to an embodiment of the present utility model;

[0022] Figure 4 Shows a schematic cross-sectional view of the limit component according to an embodiment of the present utility model.

[0023] In the figure: 1, tap shank; 2, tap cone; 3, first chip removal groove; 4, protective housing; 5, end protection shell; 6, sealing rubber ring; 7, tap mounting end; 8, fixed clamping block; 9, tap end; 10, second chip removal groove; 11, wear-resistant layer; 12, limit component; 13, limit groove; 14, limit sleeve; 15, telescopic spring; 16, support vertical rod; 17, rubber soft pad; 18, fixed buckle; 19, fixed card slot. Detailed Description of the Embodiment

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model embodiment provides a tap for drilling, including a tap shank 1; illustratively, as Figures 1-4 shown.

[0026] A tap body 2 is provided at one end of the tap shank 1, a first chip removal groove 3 is provided at one end of the surface of the tap shank 1, the first chip removal groove 3 is located at the end of the tap shank 1 and close to one end of the tap body 2, a protective shell 4 is provided on the surface of the tap body 2, the protective shell 4 is movably connected with the tap body 2, and an end protection shell 5 is provided at one end of the protective shell 4;

[0027] The end protection shell 5 is located at the end of the protective shell 4 and away from one end of the tap shank 1. A sealing rubber ring 6 is sleeved on one end of the protective shell 4. The sealing rubber ring 6 is arranged to fit the surface of the tap shank 1. One end of the tap shank 1 is fixedly connected with a tap mounting end 7. The tap mounting end 7 and the tap body 2 are symmetrically arranged with the central axis of the tap shank 1 as the center, and the surface of the tap mounting end 7 is provided with a thread.

[0028] The surface of the tap mounting end 7 is provided with a plurality of groups of fixed clamping blocks 8, and the plurality of groups of fixed clamping blocks 8 are all located at one end of the tap mounting end 7, and the plurality of groups of fixed clamping blocks 8 are arranged in a circular array with the central axis of the tap mounting end 7 as the center, and a tap end 9 is provided at one end of the tap body 2, and the end protection shell 5 is movably clamped on the surface of the tap end 9;

[0029] A second chip removal groove 10 is provided on the surface of the tap body 2, and the second chip removal groove 10 is connected with the first chip removal groove 3. A wear-resistant layer 11 is provided on the surface of the tap body 2. A limiting component 12 is sleeved on the surface of the tap shank 1. Two groups of limiting grooves 13 are symmetrically provided on one side surface of the limiting component 12, and a group of limiting sleeves 14 are provided inside the two groups of limiting grooves 13.

[0030] Specifically, a protective housing 4 is provided on the surface of the tap cone 2. The protective housing 4 is movably sleeved on the tap cone 2. When not in use, the tap cone 2 and the tap end 9 are protected by the protective housing 4 and the end protection shell 5, reducing the loss of the tap end 9. Further, a number of fixed clamping blocks 8 are provided on the surface of the tap mounting end 7. The number of fixed clamping blocks 8 are arranged in a circular array centered on the central axis of the tap mounting end 7, facilitating the disassembly and replacement of the tap cone 2 while improving the installation firmness.

[0031] A telescopic spring 15 is provided inside each of the two limit grooves 13. The two telescopic springs 15 are respectively located inside the two limit sleeves 14, and one ends of the two telescopic springs 15 are respectively fixedly connected to one ends inside the two limit sleeves 14. A support vertical rod 16 is provided inside each of the two limit grooves 13;

[0032] The two support vertical rods 16 are respectively in sliding fit with the two limit grooves 13. One ends of the two support vertical rods 16 respectively penetrate through one ends of the two limit sleeves 14 and are elastically connected to one ends of the two telescopic springs 15. Rubber soft pads 17 are provided at the other ends of the two support vertical rods 16. Two fixed buckles 18 are symmetrically provided on the inner side wall of the limit assembly 12;

[0033] Two fixed card slots 19 are symmetrically formed on the surface of the tap shank 1. The two fixed card slots 19 are respectively in movable clamping connection with the two fixed buckles 18.

[0034] Specifically, a first chip removal groove 3 is formed at one end of the surface of the tap shank 1. A second chip removal groove 10 is formed on the surface of the tap cone 2. Further, the second chip removal groove 10 is connected to the first chip removal groove 3 in a through manner, capable of transporting the chips generated during the drilling process, preventing the chips from accumulating inside the drill hole and affecting the subsequent drilling work;

[0035] Through the setting of the limit assembly 12, during the drilling process, the tap cone 2 moves downward for drilling. During the downward movement of the tap cone 2, the two support vertical rods 16 contact the drilling plate. One ends of the two support vertical rods 16 are both connected to the telescopic springs 15, capable of reducing the impact force brought by drilling, and while achieving a buffering effect, the drilling depth can be limited.

[0036] The working principle of a drill tap proposed by an embodiment of the present utility model is as follows:

[0037] A protective housing 4 is provided on the surface of the tap cone 2. The protective housing 4 is movably sleeved on the tap cone 2. When not in use, the tap cone 2 and the tap end 9 are protected by the protective housing 4 and the end protection shell 5, reducing the loss of the tap end 9. Further, a plurality of groups of fixed clamping blocks 8 are provided on the surface of the tap mounting end 7. The plurality of groups of fixed clamping blocks 8 are arranged in a circular array centered on the central axis of the tap mounting end 7, facilitating the disassembly and replacement of the tap cone 2 while improving the installation firmness.

[0038] A first chip removal groove 3 is opened at one end of the surface of the tap shank 1. A second chip removal groove 10 is opened on the surface of the tap cone 2. Further, the second chip removal groove 10 is connected to the first chip removal groove 3 in a through manner, capable of transporting the chips generated during the drilling process, preventing the chips from accumulating inside the drill hole and affecting the subsequent drilling work.

[0039] Through the arrangement of the limiting component 12, during the drilling process, the tap cone 2 moves downward to drill holes. During the downward movement of the tap cone 2, the two support vertical rods 16 contact the drilling plate. One end of each of the two support vertical rods 16 is connected to a telescopic spring 15, capable of reducing the impact force caused by drilling and, while achieving a buffering effect, capable of limiting the drilling depth.

[0040] Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A drilling tap, comprising a tap shank (1), characterized in that: One end of the taper shank (1) is provided with a tap body (2), the surface of the taper body (2) is provided with a protective shell (4), one end of the protective shell (4) is provided with an end protection shell (5), one end of the taper shank (1) is fixedly connected with a tap mounting end (7), the surface of the tap mounting end (7) is provided with a plurality of groups of fixed clamping blocks (8), one end of the taper body (2) is provided with a tap end (9), and the surface of the taper body (2) is provided with a wear-resistant layer (11); The surface of the tap shank (1) is sleeved with a limiting component (12); one side surface of the limiting component (12) is symmetrically provided with two groups of limiting grooves (13); each of the two groups of limiting grooves (13) is provided with a group of limiting sleeves (14); each of the two groups of limiting grooves (13) is provided with a group of telescopic springs (15); each of the two groups of limiting grooves (13) is provided with a group of supporting vertical rods (16); the other ends of the two groups of supporting vertical rods (16) are provided with a group of rubber cushions (17); two groups of fixing buckles (18) are symmetrically provided on the inner side wall of the limiting component (12); and two groups of fixing slots (19) are symmetrically provided on the surface of the tap shank (1).

2. The drilling tap according to claim 1, characterized in that: A first chip removal groove (3) is provided at one end of the surface of the tap shank (1), the first chip removal groove (3) is located at the end of the tap shank (1) and close to one end of the tap body (2), and a second chip removal groove (10) is provided on the surface of the tap body (2), the second chip removal groove (10) is connected to the first chip removal groove (3).

3. The drilling tap according to claim 2, characterized in that: The protective shell (4) is movably sleeved with the tap body (2), and the end protection shell (5) is located at the end of the protective shell (4) and away from one end of the tap shank (1).

4. The drilling tap according to claim 3, characterized in that: A sealing rubber ring (6) is sleeved on one end of the protective shell (4), and the sealing rubber ring (6) is arranged to fit the surface of the taper shank (1).

5. The drilling tap according to claim 2, characterized in that: The tap mounting end (7) and the tap body (2) are symmetrically arranged with the central axis of the tap shank (1) as the center, and a thread is provided on the surface of the tap mounting end (7).

6. The drilling tap according to claim 1, characterized in that: The plurality of groups of fixed clamping blocks (8) are all located at one end of the tap mounting end head (7), and the plurality of groups of fixed clamping blocks (8) are all arranged in a ring array with the central axis of the tap mounting end head (7) as the center.

7. The drilling tap according to claim 1, characterized in that: The two groups of telescopic springs (15) are respectively located inside the two groups of limiting sleeves (14), and one end of the two groups of telescopic springs (15) is respectively fixedly connected to one end inside the two groups of limiting sleeves (14).

8. The drilling tap according to claim 1, characterized in that: The two groups of support vertical rods (16) are respectively slidably fitted with the two groups of limiting grooves (13), and one end of the two groups of support vertical rods (16) respectively penetrates one end of the two groups of limiting sleeves (14) and is elastically connected to one end of the two groups of telescopic springs (15).

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