Small-wire-diameter thread tapping device

Abstract

The utility model belongs to the technical field of thread machining, and provides a small-wire-diameter thread tapping device which comprises a bottom plate, the bottom plate is connected with a stand column, the stand column is movably connected with a guide plate, the guide plate is connected with a shaft sleeve, the shaft sleeve is connected with a guide column in a sliding mode, and the lower end of the guide column is fixedly connected with a three-jaw chuck. The three-jaw chuck is connected with a screw tap, the upper end of the guide column is fixedly connected with a limiting block, the limiting block is fixedly connected with a handle, and a spring is arranged on the peripheral side of the guide column. The shaft sleeve assists the guide column in stably moving downwards, the guide column drives the limiting block to move downwards to enable the spring to be compressed to form vertically upward elastic force, the vertically upward elastic force and the downward pressure of the screw tap form a damping effect, the operation hand feeling imitating flexible tapping is achieved, an operator observes the chip removal condition through the hand feeling, and the tapping process is monitored in real time. And the problems of screw tap breakage and thread deviation during machining are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of thread processing, specifically a small wire diameter thread tapping device. BACKGROUND

[0002] Small wire diameter thread tapping operation accounts for a large proportion in the mechanical processing manufacturing process, especially M1~M2 small wire diameter thread tapping, which is commonly used in stainless steel, high-temperature alloy, titanium alloy and other difficult tapping materials.

[0003] The common processing methods for small wire diameter thread tapping operation currently include electric tapping machine processing and manual processing, wherein the electric tapping machine has large tapping torque, which easily causes tap breakage; and manual processing by bench workers has low efficiency, tap breakage, and unstable perpendicularity between tap and parts.

[0004] Therefore, the skilled in the art proposes a small wire diameter thread tapping device to solve the problems in the background art. SUMMARY

[0005] To solve the above technical problems, the utility model provides a small wire diameter thread tapping device to solve the problems in the prior art, such as large tapping torque of electric tapping machine, which easily causes tap breakage; and low efficiency of manual processing by bench workers, tap breakage, and unstable perpendicularity between tap and parts.

[0006] A small wire diameter thread tapping device, comprising a base plate, wherein the base plate is connected with a stand column, the stand column is movably connected with a guide plate, the guide plate is connected with a shaft sleeve, the shaft sleeve is slidably connected with a guide column, the lower end of the guide column is fixedly connected with a three-jaw chuck, the three-jaw chuck is connected with a tap, the upper end of the guide column is fixedly connected with a limit block, the limit block is fixedly connected with a handle, and the guide column is provided with a spring on the lateral side.

[0007] Preferably, one end of the spring abuts against the limit block, and the other end of the spring abuts against the shaft sleeve.

[0008] Preferably, the stand column is movably connected with a movable plate.

[0009] Preferably, the base plate is provided with a positioning groove, and the movable plate is provided with a limit groove and a through groove.

[0010] Preferably, the guide plate and the movable plate are provided with a matching groove, and the guide plate and the movable plate are screw-connected with a handle locking screw.

[0011] Preferably, the stand column is screw-connected with a pulley, and two pulleys are respectively located below the guide plate and the movable plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1, the utility model discloses a shaft sleeve auxiliary guide column stability down moves, makes the tap with the perpendicularity of the part to be processed of tap, has guaranteed the perpendicularity of tap and the part to be processed, has improved the stability of tapping, and the guide column drives the spacer down and makes the spring be compressed and forms the vertical upward spring force and the damping effect of tap down pressure, realizes the operation feeling of flexible tapping, and the operator cooperates the observation of the chip removal condition real -time monitoring the process of tapping according to this feeling, avoids the problem that the tap breaks, and the thread is offset.

[0014] 2, the utility model discloses the movable plate that can move up and down along the stand is set up, and the range of size adaptation to the part to be processed is expanded to the positioning slot, the limit slot and the through slot are set up, and then the practicality is improved.

[0015] 3, the utility model discloses the height of guide plate and movable plate can be accurately adjusted to the distance between tap and the part to be processed is adjusted, and processing is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first view overall schematic diagram of a small thread diameter thread tapping device;

[0017] Figure 2 It is a second view overall schematic diagram of a small thread diameter thread tapping device;

[0018] Figure 3 It is an elevation view of a small thread diameter thread tapping device.

[0019] Figure 4 It is a top view of a small thread diameter thread tapping device.

[0020] In the drawing:

[0021] 1, bottom plate;2, stand;3, guide plate;4, shaft sleeve;5, guide column;6, three-jaw chuck;7, tap;8, spacer;9, handle;10, spring;11, movable plate;12, positioning slot;13, limit slot;14, through slot;15, fit groove;16, handle locking screw;17, pulley. DETAILED DESCRIPTION

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] Example one

[0024] As attached Figure 1 to attached Figure 4As shown, the utility model provides a small thread diameter thread tapping device, including bottom plate 1, wherein the part to be processed is fixed on bottom plate 1 through auxiliary fixture, prepares for tapping part of tap 7, bottom plate 1 is fixedly connected with stand 2, stand 2 is movably connected with guide plate 3, the height of guide plate 3 can be adjusted according to the size of part, guide plate 3 is connected with shaft sleeve 4, shaft sleeve 4 is slidably connected with guide column 5, guide column 5 can move up and down, and then the height of tapping depth of tap 7 is adjusted, the lower end of guide column 5 is fixedly connected with three-jaw chuck 6, three-jaw chuck 6 is connected with tap 7, tap 7 is fixed through three-jaw chuck 6, and different taps 7 can be replaced according to the need, the upper end of guide column 5 is fixedly connected with limit block 8, limit block 8 is fixedly connected with handle 9, by rotating handle 9, guide column 5 and tap 7 are easily driven to rotate, operation is convenient, tapping is convenient, the lateral side of guide column 5 is provided with spring 10, when limit block 8 moves down, spring 10 is compressed to provide upward elastic force, and damping effect is formed with tap 7 pressing force, the operation feeling of flexible tapping is realized, tapping precision is high, and the operation feeling can be retreated at any time The operation of tap is reduced, the possibility of tap 7 breaking is reduced, the tapping depth is effectively controlled, and the deformation bulge condition is prevented.

[0025] Further, one end of spring 10 abuts against limit block 8, and the other end of spring 10 abuts against shaft sleeve 4.

[0026] As can be seen from the above, the part is fixed on the bottom plate 1 through the auxiliary fixture, then the height of the guide plate 3 is adjusted up and down according to the size of the part, which is convenient for tap 7 processing, after adjustment, rotate and move down the handle 9, and then drive the limit block 8, guide column 5, three-jaw chuck 6 and tap 7 to rotate and move down to tap the part, which takes into account the processing advantages of electric tapping and manual tapping, effectively avoids common risks, the effect of practical application is remarkable, effectively reduces the labor intensity of manual operation, and improves the efficiency of manual operation; The device has simple and reliable structure, realizes that single-piece small thread diameter thread processing time is reduced from 10 min to 3 min, through replacing tap 7, titanium alloy, stainless steel and other complex structure not easy to clamp, thin-walled structure and other parts can be realized.

[0027] Example two

[0028] As shown in the accompanying Figure 1 The present embodiment is basically the same as the previous embodiment, the difference lies in that the stand 2 is movably connected with the movable plate 11, wherein the part can also be placed on the movable plate 11 for processing.

[0029] As shown in the accompanying Figure 2 Specifically, the bottom plate 1 is provided with a positioning groove 12, the movable plate 11 is provided with a limiting groove 13 and a through groove 14, and the part is fixed by the clamp.

[0030] Example three

[0031] As shown in the accompanying drawings Figure 1 The difference between the embodiment and the previous embodiment is that the guide plate 3 and the movable plate 11 are provided with the fitting groove 15, and the guide plate 3 and the movable plate 11 are threadedly connected with the handle locking screw 16.

[0032] As shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 4 Specifically, the periphery of the stand column 2 is provided with a thread, and the stand column 2 is threadedly connected with the pulley 17.

[0033] As can be seen from the above, the reverse rotation of the handle locking screw 16 makes the fitting groove 15 not closely fit with the stand column 2, at this time, the pulley 17 can be rotated to change the height of the guide plate 3 and the movable plate 11.

[0034] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here. The contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0035] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. The meaning of "multiple" is two or more, unless otherwise specifically limited.

[0036] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation.

[0037] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature, can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium. Moreover, first feature is "on", "above" and "on" second feature, can be first feature is directly above or obliquely above second feature, or just indicate that first feature horizontal height is higher than second feature. First feature is "under", "below" and "under" second feature, can be first feature is directly below or obliquely below second feature, or just indicate that first feature horizontal height is less than second feature.

[0038] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without conflict.

[0039] The utility model discloses the embodiment figure, only relate to the structure of the disclosure embodiment, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiment of the application can be combined mutually.

[0040] Although the utility model has been explained in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A tapping device for small pitch threads, characterized in that: The utility model provides a kind of spring-loaded centering device, including bottom plate (1), the bottom plate (1) is connected with stand (2), the stand (2) is movably connected with guide plate (3), the guide plate (3) is connected with shaft sleeve (4), the shaft sleeve (4) is slidably connected with guide column (5), the lower end of the guide column (5) is fixedly connected with three-jaw chuck (6), the three-jaw chuck (6) is connected with tap (7), the upper end of the guide column (5) is fixedly connected with limit block (8), the limit block (8) is fixedly connected with handle (9), the lateral side of the guide column (5) is provided with spring (10).

2. The tapping device of claim 1, wherein: One end of the spring (10) is in abutment with the limit block (8), the other end of the spring (10) is in abutment with the shaft sleeve (4).

3. The tapping device of claim 2, wherein: The stand (2) is movably connected with movable plate (11).

4. The tapping device of claim 3, wherein: The bottom plate (1) is provided with positioning groove (12), the movable plate (11) is provided with limiting groove (13) and through groove (14).

5. The small-diameter thread tapping device as described in claim 4, characterized in that: The guide plate (3) and movable plate (11) are provided with fitting groove (15), and the guide plate (3) and movable plate (11) are threadedly connected with handle locking screw (16).

6. A tapping device for small pitch threads as claimed in claim 5, characterized in that: The stand (2) is threadedly connected with pulley (17), and two pulleys (17) are located below the guide plate (3) and movable plate (11) respectively.

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