Reinforced internal cooling screw tap

Abstract

The utility model belongs to the technical field of screw taps, particularly relates to a reinforced internal cooling screw tap, solves the problems that in the actual use process, due to the fact that the device is of an integrated structure, a first thread tooth can be abraded after long-time use, and due to the integrated structure, the replacement cost is increased, and provides the following scheme that the reinforced internal cooling screw tap comprises a first clamping block; a first connecting handle is fixedly connected to the lower portion of the first clamping block, a third cutting block is movably installed below the first connecting handle, a second cutting block is fixedly installed below the third cutting block, a first cutting block is fixedly installed below the second cutting block, and chip grooves are formed in the outer walls of the third cutting block, the second cutting block and the first cutting block. Heat dissipation holes are formed in the outer walls of the chip grooves, second cutting lines are arranged on the peripheral surfaces of the third cutting block and the second cutting block, and first cutting lines are arranged on the peripheral surface of the first cutting block. According to the screw tap, the heat dissipation capacity of the screw tap in the cutting process can be remarkably enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tap, concretely is a reinforced internal cooling tap belongs to tap technical field. BACKGROUND

[0002] In the machining process, the tap is one of commonly used cutting tools, and is widely used, especially for internal thread machining of various metal materials.

[0003] In the processing production, the front end face of the first tooth of the existing extrusion tap is too large with the contact surface of the workpiece, so that the torsion of the extrusion tap is sharply increased at the initial moment of tapping, which is easy to cause damage to the extrusion tap.

[0004] The utility model discloses a kind of extrusion taps with announcement No. CN221047479U, including thread section, split groove, thread tooth;The front end face of the first thread tooth of the lower end surface of cone is between the outermost side face of the first thread tooth along radial direction and is provided with transition slope, the utility model can be gradually increased in the initial moment of tapping extrusion tap received torsion, avoid causing damage to extrusion tap by setting transition slope between the front end face of the first thread tooth and the outermost side face of the first thread tooth along radial direction.

[0005] In the above technical scheme, the torsion of the extrusion tap can be gradually increased at the initial moment of tapping, and damage to the extrusion tap can be avoided, but in actual use, the first thread tooth will be worn after long-term use due to the integral structure, and the replacement cost will increase due to the integral structure. To this end, we provide a reinforced internal cooling tap. UTILITY MODEL CONTENTS

[0006] The utility model discloses to solve the above-mentioned in actual use process, since the device is integral structure, the first thread tooth will be worn after long-term use, and the replacement cost will increase due to the integral structure, and provides a reinforced internal cooling tap.

[0007] The utility model discloses the following technical scheme to realize the above-mentioned purpose: a reinforced internal cooling tap, first clamping block is fixedly connected with first connecting handle below first clamping block, the third cutting block is movably installed below first connecting handle, the second cutting block is fixedly installed below third cutting block, the first cutting block is fixedly installed below second cutting block;

[0008] The outer wall of third cutting block and second cutting block and first cutting block is provided with a chip removal groove, the outer wall of chip removal groove is provided with a heat dissipation hole, the outer peripheral surface of third cutting block and second cutting block is provided with second cutting thread, and the outer peripheral surface of first cutting block is provided with first cutting thread.

[0009] As a further scheme of the utility model: the upper end surface center of the third cutting block is provided with a connecting handle mounting groove, the upper end surface center of the second cutting block is provided with a second mounting groove, and the upper end surface center of the first cutting block is provided with a first mounting groove.

[0010] As a further scheme of the utility model: the connecting place of the second cutting block and the third cutting block is provided with a second fixing block, and the second fixing block is fixed to the lower end of the third cutting block.

[0011] As a further scheme of the utility model: the connecting place of the second cutting block and the first cutting block is provided with a first fixing block, and the first fixing block is fixed to the lower end of the second cutting block.

[0012] As a further scheme of the utility model: the inside of the second fixing block and the first fixing block is provided with a first limiting hole, and the first limiting hole penetrates the inside of the second cutting block and the third cutting block.

[0013] As a further scheme of the utility model: the connecting place of the first connecting handle and the third cutting block is provided with a connecting handle mounting block, and the connecting handle mounting block is fixed to the lower end outer wall of the first connecting handle.

[0014] As a further scheme of the utility model: the inside of the center of the first cutting block is provided with a second limiting hole, and the inside of the first limiting hole and the second limiting hole is provided with a threaded pin.

[0015] The utility model discloses the beneficial effect is:

[0016] The heat dissipation hole of the chip removal groove outer wall can significantly enhance the heat dissipation capacity of the tap in the cutting process, reduce the working temperature of the third cutting block, the second cutting block and the first cutting block of the tap, thereby prolonging the service life and improving the cutting efficiency, the design of the chip removal groove is to timely discharge the cutting chips generated in the cutting process, reduce the cutting resistance, improve the stability and cutting efficiency of the cutting process, avoid the cutting chips to accumulate in the cutting area and affect the cutting quality, strengthen the tap through the chip removal groove and the heat dissipation hole, improve the heat dissipation efficiency and the chip removal effect.

[0017] The utility model discloses the second cutting thread, first cutting thread that the third cutting block, second cutting block, first cutting block are provided with, can realize different cutting effect and cutting force distribution, can adjust according to specific processing demand, to obtain the best cutting performance and processing quality, through setting up connecting handle mounting block, first mounting groove, second mounting groove and connecting handle mounting groove, can realize the quick installation and disassembly between the components of tap, simultaneously, through the fixing mode of first limiting hole and second limiting hole and threaded pin, can ensure the stability and safety of tap in the working process, not only convenient to install and maintain, but also can replace different cutting block according to actual need, realizes the reuse of tap. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Fig. 2 is a schematic diagram of the installation groove structure of the utility model;

[0020] Fig. 3 is a schematic diagram of the installation block structure of the utility model;

[0021] Fig. 4 is a schematic diagram of the half-section structure of the utility model.

[0022] In the figure: 1, first clamping block; 2, first connecting handle; 3, third cutting block; 4, second cutting block; 5, first cutting block; 6, first cutting groove; 7, second cutting groove; 8, heat dissipation hole; 9, chip removal groove; 10, connecting handle installation groove; 11, second installation groove; 12, first installation groove; 13, connecting handle installation block; 14, second fixed block; 15, first fixed block; 16, first limiting hole; 17, second limiting hole; 18, threaded peg. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one

[0024] As Figs. 1 to 4As shown, a reinforced internal cooling tap includes a first clamping block 1, a first connecting handle 2 is fixedly connected below the first clamping block 1, a third cutting block 3 is movably mounted below the first connecting handle 2, a second cutting block 4 is fixedly mounted below the third cutting block 3, a first cutting block 5 is fixedly mounted below the second cutting block 4, a cutting groove 9 is formed in the outer wall of the third cutting block 3, the second cutting block 4 and the first cutting block 5, and a heat dissipation hole 8 is formed in the outer wall of the cutting groove 9. The heat dissipation hole 8 can significantly enhance the heat dissipation capacity of the tap during cutting, reduce the working temperature of the third cutting block 3, the second cutting block 4 and the first cutting block 5 of the tap, thereby prolonging the service life and improving the cutting efficiency. The outer wall of the cutting groove 9 is provided with a heat dissipation hole 8, and the cutting groove 9 is designed to timely discharge the cutting chips generated during cutting, reduce the cutting resistance, improve the stability and cutting efficiency of the cutting process, avoid the accumulation of cutting chips in the cutting area to affect the cutting quality, and the outer peripheral surface of the third cutting block 3 and the second cutting block 4 is provided with a second cutting thread 7, and the outer peripheral surface of the first cutting block 5 is provided with a first cutting thread 6. Through the second cutting thread 7 and the first cutting thread 6 arranged on the third cutting block 3, the second cutting block 4 and the first cutting block 5, different cutting effects and cutting force distribution can be realized, and the cutting performance and machining quality can be adjusted according to specific machining requirements to obtain the best cutting performance and machining quality. Example two

[0025] In addition to including all the technical features in example one, the present embodiment also includes:

[0026] A connecting handle mounting groove 10 is formed in the center of the upper end surface of the third cutting block 3, a second mounting groove 11 is formed in the center of the upper end surface of the second cutting block 4, a first mounting groove 12 is formed in the center of the upper end surface of the first cutting block 5, a second fixing block 14 is arranged at the connection between the second cutting block 4 and the third cutting block 3, the second fixing block 14 is fixed to the lower end of the third cutting block 3, a first fixing block 15 is arranged at the connection between the second cutting block 4 and the first cutting block 5, the first fixing block 15 is fixed to the lower end of the second cutting block 4, a first limiting hole 16 is formed in the inside of the second fixing block 14 and the first fixing block 15, the first limiting hole 16 penetrates the inside of the second cutting block 4 and the third cutting block 3, a connecting handle mounting block 13 is arranged at the connection between the first connecting handle 2 and the third cutting block 3, the connecting handle mounting block 13 is fixed to the lower end outer wall of the first connecting handle 2. Through the arrangement of the connecting handle mounting block 13, the first mounting groove 12, the second mounting groove 11 and the connecting handle mounting groove 10, the quick mounting and dismounting between the components of the tap can be realized.

[0027] The center of the first cutting block 5 is internally provided with a second limiting hole 17, and the first limiting hole 16 and the second limiting hole 17 are internally provided with threaded nails 18 through screw threads; through the fixing mode of the first limiting hole 16, the second limiting hole 17 and the threaded nails 18, the stability and safety of the tap during the working process can be ensured, the installation and maintenance are facilitated, different cutting blocks can be replaced according to actual needs, and the reuse of the tap is realized.

[0028] Working principle:

[0029] Firstly, the first connecting handle 2 is fixedly connected with the clamping device through the first clamping block 1, so that the first cutting block 5, the second cutting block 4 and the third cutting block 3 can stably perform the cutting operation; during the cutting process, the first cutting thread 6 and the second cutting thread 7 on the first cutting block 5, the second cutting block 4 and the third cutting block 3 are in contact with the workpiece surface and perform cutting, and the first cutting thread 6 and the second cutting thread 7 can effectively and uniformly distribute the cutting force, so that the best cutting performance and machining quality are realized.

[0030] Secondly, the cutting chips generated during the cutting process are discharged along the chip removal groove 9, so that the cutting chips are prevented from being accumulated in the cutting area and affecting the cutting quality; meanwhile, the heat dissipation holes 8 formed in the outer wall of the chip removal groove 9 can effectively guide the heat generated during the cutting process out, so that the working temperature of the tap is reduced, the service life of the tap is prolonged, and the cutting efficiency is improved; when the first cutting block 5, the second cutting block 4 and the third cutting block 3 need to be replaced or maintained, the fixed connection between the cutting blocks can be released by disassembling the threaded nails 18; through the connecting handle mounting block 13, the first mounting groove 12, the second mounting groove 11 and the connecting handle mounting groove 10, the components of the tap can be quickly disassembled and assembled.

[0031] Then, the second fixing block 14, the first fixing block 15 and the first limiting hole 16 and the second limiting hole 17 are fixed through the threaded nails 18, so that the stability between the whole is improved, and the threaded nails 18 located in the center of the first cutting block 5, the second cutting block 4 and the third cutting block 3 can act as reinforcing columns, further improving the strength of the tap during use, and facilitating the use of the user.

[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0033] Furthermore, it should be understood that although the description is made according to the embodiments, not every embodiment contains only one independent technical solution, and the description is made in this way only for the sake of clarity, and the person skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that the person skilled in the art can understand.

Claims

1. A reinforced internally cooled tap comprising a first clamping block (1), characterized in that: The lower part of the first clamping block (1) is fixedly connected with a first connecting handle (2), the lower part of the first connecting handle (2) is movably installed with a third cutting block (3), the lower part of the third cutting block (3) is fixedly installed with a second cutting block (4), and the lower part of the second cutting block (4) is fixedly installed with a first cutting block (5). The outer wall of the third cutting block (3) and the second cutting block (4) and the first cutting block (5) is provided with a chip removal groove (9), the outer wall of the chip removal groove (9) is provided with a heat dissipation hole (8), the outer peripheral surface of the third cutting block (3) and the second cutting block (4) is provided with a second cutting thread (7), and the outer peripheral surface of the first cutting block (5) is provided with a first cutting thread (6).

2. The reinforced internally cooled tap according to claim 1, wherein: The upper end surface center of the third cutting block (3) is provided with a connecting handle installation groove (10), the upper end surface center of the second cutting block (4) is provided with a second installation groove (11), and the upper end surface center of the first cutting block (5) is provided with a first installation groove (12).

3. The reinforced internally cooled tap according to claim 2, wherein: The connection between the second cutting block (4) and the third cutting block (3) is provided with a second fixed block (14), and the second fixed block (14) is fixed to the lower end of the third cutting block (3).

4. The reinforced internally cooled tap according to claim 3, wherein: The connection between the second cutting block (4) and the first cutting block (5) is provided with a first fixed block (15), and the first fixed block (15) is fixed to the lower end of the second cutting block (4).

5. The reinforced internally cooled tap according to claim 4, wherein: The inside of the second fixed block (14) and the first fixed block (15) is provided with a first limiting hole (16), and the first limiting hole (16) penetrates the inside of the second cutting block (4) and the third cutting block (3).

6. The reinforced internally cooled tap according to claim 2, wherein: The connection between the first connecting handle (2) and the third cutting block (3) is provided with a connecting handle installation block (13), and the connecting handle installation block (13) is fixed to the lower end outer wall of the first connecting handle (2).

7. The reinforced internally cooled tap according to claim 5, wherein: The center inside of the first cutting block (5) is provided with a second limiting hole (17), and the inside of the first limiting hole (16) and the second limiting hole (17) is screwedly installed with a threaded pin (18).

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