Screw tap diameter measuring device

Abstract

The utility model belongs to the field of measuring equipment, and particularly relates to a screw tap diameter measuring device, which comprises a base, a placing mechanism and a measuring mechanism, the placing mechanism comprises a supporting seat and a screw tap placing pipe, the supporting seat is fixedly arranged on the top of the base, the screw tap placing pipe is fixedly arranged on the top of the supporting seat, and the measuring mechanism is arranged on the base. The measuring mechanism comprises a transverse rod, a moving rod, a transverse plate, a fixed spring and an arc-shaped measuring plate, the transverse rod is fixedly installed on the tops of the two screw tap containing pipes, the moving rod is arranged on the transverse rod in a sliding mode, the transverse plate is fixedly installed on the moving rod, the fixed spring is arranged between the transverse plate and the transverse rod, and the arc-shaped measuring plate is arranged below the transverse rod. The measuring mechanism further comprises a guide hole and a scale rod. The screw tap diameter measuring device is reasonable in design, a screw tap can be conveniently and fixedly placed through the screw tap placing pipe, and the diameter of the screw tap can be conveniently measured through the arc-shaped measuring rod and the measuring rod.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring equipment, in particular to a tap diameter measuring device. Background Art

[0002] A tap is a tool for machining internal threads. It can be divided into spiral groove taps, angled taps, straight groove taps, and pipe thread taps according to its shape. It can be divided into hand taps and machine taps according to its use environment. It can be divided into metric, American, and imperial taps according to its specifications. Taps are the most mainstream machining tools used by manufacturing operators when tapping.

[0003] At present, a tap with a Chinese patent announcement number of CN203599666U belongs to the field of mechanical technology. It solves the problems of inaccurate positioning and poor cutting effect of existing taps. The tap includes a tapping head and a cylindrical shank, the tapping head and the shank are integrally formed, the tapping head has screw teeth and chip grooves in the circumferential direction, the end of the shank has a positioning prism with a square cross section, the three side surfaces of the positioning prism are of the same length, and the positioning prism also has a positioning surface longer than the above three side surfaces.

[0004] In actual use, it is found that the diameter of the tap needs to be measured after processing. The traditional measurement method uses a caliper, which requires holding the tap, so the tap is unstable and easy to shake, making the degree inconvenient and increasing the measurement error. Therefore, we propose a tap diameter measuring device to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a tap diameter measuring device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A tap diameter measuring device comprises a base, a placing mechanism and a measuring mechanism, wherein the placing mechanism comprises a supporting seat and a tap placing tube, wherein the supporting seat is fixedly mounted on the top of the base, and the tap placing tube is fixedly mounted on the top of the supporting seat;

[0008] The measuring mechanism comprises a cross bar, a moving rod, a cross plate, a fixed spring and an arc-shaped measuring plate. The cross bar is fixedly mounted on the tops of two tap placement tubes, the moving rod is slidably mounted on the cross bar, the cross plate is fixedly mounted on the moving rod, a fixed spring is arranged between the cross plate and the cross bar, and an arc-shaped measuring plate is arranged below the cross bar.

[0009] Preferably, the measuring mechanism further comprises a guide hole and a scale rod, wherein the guide hole is opened on the top of the cross bar, the scale rod is fixedly mounted on the top of the arc-shaped measuring plate, and the scale rod is slidably connected to the corresponding guide hole.

[0010] Preferably, a guide mechanism is provided between the moving rod and the arc-shaped measuring plate, and an adjustment mechanism is provided on the moving rod, and the adjustment mechanism is connected to the guide mechanism.

[0011] Preferably, the guide mechanism comprises a rectangular groove and a rectangular rod, wherein the rectangular groove is formed on the bottom of the movable rod, and a rectangular rod fixedly connected to the arc-shaped measuring plate is slidably mounted in the rectangular groove.

[0012] Preferably, the adjustment mechanism includes a threaded hole, an adjusting screw and a knob, the threaded hole is opened on the movable rod, the threaded hole is connected to the rectangular groove, the adjusting screw is threadedly installed in the threaded hole, the bottom of the adjusting screw is rotatably installed on the rectangular rod, and the top of the adjusting screw is fixedly installed with a knob.

[0013] Preferably, a rotation groove is provided on the top of the rectangular rod, an annular groove is provided on the inner wall of the rotation groove, an annular seat is fixedly mounted on the adjusting screw, and the annular seat is rotationally connected to the corresponding annular groove.

[0014] Preferably, a groove is provided on the inner wall of the bottom of the tap placement tube, and an electromagnet for fixing the tap is installed in the groove.

[0015] Preferably, a moving hole is formed on the cross bar, the moving rod is slidably connected to the moving hole, a baffle is fixedly mounted on the moving rod, and the baffle is located above the cross bar.

[0016] Beneficial effects of the utility model:

[0017] 1. When measuring the diameter of the tap, move the baffle upward and place the tap into two tap placement tubes. By energizing the electromagnet, the electromagnet can adsorb the tap, thereby fixing the tap.

[0018] 2. By loosening the baffle, the fixed spring can push the horizontal plate, the moving rod and the arc measuring plate downward under the elastic force of the fixed spring, so that the arc measuring plate contacts the top of the tap. At this time, the height at which the scale rod moves out of the horizontal rod is the diameter of the tap.

[0019] 3. Through the cooperation of the knob, the adjusting screw and the threaded hole, the adjusting screw can drive the rectangular rod to move, and the rectangular rod can drive the arc measuring plate and the scale rod to move, thereby achieving the purpose of calibrating the scale rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1A three-dimensional structural schematic diagram of a tap diameter measuring device proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the main structure of a tap diameter measuring device proposed by the utility model;

[0022] Figure 3 This is a schematic structural diagram of part A of a tap diameter measuring device proposed by the utility model;

[0023] Figure 4 This is a schematic structural diagram of part B of a tap diameter measuring device proposed by the utility model.

[0024] In the figure: 1. base; 2. support seat; 3. tap placement tube; 4. groove; 5. electromagnet; 6. cross bar; 7. moving hole; 8. moving rod; 9. arc measuring plate; 10. cross plate; 11. fixing spring; 12. guide hole; 13. scale rod; 14. baffle; 15. rectangular groove; 16. rectangular rod; 17. threaded hole; 18. adjusting screw; 19. knob. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments 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.

[0026] Reference Figure 1-4 A tap diameter measuring device comprises a base 1, a placing mechanism and a measuring mechanism, the placing mechanism comprises a support seat 2 and a tap placing tube 3, the support seat 2 is fixedly mounted on the top of the base 1, the tap placing tube 3 is fixedly mounted on the top of the support seat 2, the measuring mechanism comprises a cross bar 6, a moving rod 8, a cross plate 10, a fixed spring 11 and an arc-shaped measuring plate 9, the cross bar 6 is fixedly mounted on the tops of two tap placing tubes 3, the moving rod 8 is slidably arranged on the cross bar 6, and the cross plate 10 is fixedly mounted on the moving rod 8 A fixing spring 11 is provided between the cross plate 10 and the cross bar 6, an arc-shaped measuring plate 9 is provided below the cross bar 6, the measuring mechanism further comprises a guide hole 12 and a scale rod 13, the guide hole 12 is provided on the top of the cross bar 6, the scale rod 13 is fixedly mounted on the top of the arc-shaped measuring plate 9, and the scale rod 13 is slidably connected with the corresponding guide hole 12. More specifically, a sliding hole is provided on the cross plate 10, and the scale rod 13 is slidably connected with the sliding hole, and the height at which the scale rod 13 moves out of the cross bar 6 is the diameter of the tap.

[0027] In this embodiment, a guide mechanism is provided between the moving rod 8 and the arc measuring plate 9, and an adjustment mechanism is provided on the moving rod 8. The adjustment mechanism is connected to the guide mechanism, and the guide mechanism includes a rectangular groove 15 and a rectangular rod 16. The rectangular groove 15 is provided on the bottom of the moving rod 8, and a rectangular rod 16 fixedly connected to the arc measuring plate 9 is slidably installed in the rectangular groove 15. By providing the rectangular rod 16, the arc measuring plate 9 can be guided. The adjustment mechanism includes a threaded hole 17, an adjustment screw 18 and a knob 19. The threaded hole 17 is provided on the moving rod 8, and the screw 18 is provided on the moving rod 8. The grooved hole 17 is connected with the rectangular groove 15, and an adjusting screw 18 is installed in the inner thread of the threaded hole 17. The bottom of the adjusting screw 18 is rotatably installed on the rectangular rod 16, and a knob 19 is fixedly installed on the top of the adjusting screw 18. By rotating the knob 19 and the adjusting screw 18, under the action of the threaded hole 17, the adjusting screw 18 can be rotated and moved at the same time, and the adjusting screw 18 can drive the rectangular rod 16 to move, and the rectangular rod 16 can drive the arc measuring plate 9 and the scale rod 13 to move, so that the purpose of calibrating the scale rod 13 can be achieved.

[0028] In this embodiment, a rotating groove is provided on the top of the rectangular rod 16, and an annular groove is provided on the inner wall of the rotating groove. An annular seat is fixedly installed on the adjusting screw 18, and the annular seat is rotatably connected to the corresponding annular groove. Through the cooperation of the annular seat and the annular groove, the adjusting screw 18 can be rotatably installed on the rectangular rod 16, a groove 4 is provided on the bottom inner wall of the tap placement tube 3, and an electromagnet 5 for fixing the tap is installed in the groove 4, a moving hole 7 is provided on the cross bar 6, and the moving rod 8 is slidably connected to the moving hole 7, and a baffle 14 is fixedly installed on the moving rod 8, and the baffle 14 is located above the cross bar 6. By setting the baffle 14, the purpose of limiting the moving rod 8 can be achieved.

[0029] In the utility model, when the diameter of the tap is measured, the baffle 14 is moved upward and the tap is placed in the two tap placement tubes 3. By energizing the electromagnet 5, the electromagnet 5 can adsorb the tap, so that the tap can be fixed and placed. By loosening the baffle 14, under the elastic force of the fixing spring 11, the fixing spring 11 can push the cross plate 10, the moving rod 8 and the arc measuring plate 9 to move downward, so that the arc measuring plate 9 contacts the top of the tap. At this time, the height at which the scale rod 13 moves out of the cross rod 6 is the diameter of the tap. By turning the knob 19 and the adjusting screw 18, under the action of the threaded hole 17, the adjusting screw 18 can be rotated and moved at the same time, and the adjusting screw 18 can drive the rectangular rod 16 to move, and the rectangular rod 16 can drive the arc measuring plate 9 and the scale rod 13 to move, so that the purpose of calibrating the scale rod 13 can be achieved.

[0030] The above is a detailed introduction to a tap diameter measuring device provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A tap diameter measuring device, characterized in that: It comprises a base (1), a placement mechanism and a measuring mechanism, wherein the placement mechanism comprises a support base (2) and a tap placement tube (3), wherein the support base (2) is fixedly mounted on the top of the base (1), and the tap placement tube (3) is fixedly mounted on the top of the support base (2); The measuring mechanism comprises a cross bar (6), a moving bar (8), a cross plate (10), a fixed spring (11) and an arc-shaped measuring plate (9); the cross bar (6) is fixedly mounted on the top of two tap placement tubes (3); the moving bar (8) is slidably mounted on the cross bar (6); the cross plate (10) is fixedly mounted on the moving bar (8); a fixed spring (11) is arranged between the cross plate (10) and the cross bar (6); and an arc-shaped measuring plate (9) is arranged below the cross bar (6).

2. A tap diameter measuring device according to claim 1, characterized in that: The measuring mechanism further comprises a guide hole (12) and a scale rod (13), wherein the guide hole (12) is opened on the top of the cross bar (6), the scale rod (13) is fixedly mounted on the top of the arc-shaped measuring plate (9), and the scale rod (13) is slidably connected to the corresponding guide hole (12).

3. The tap diameter measuring device according to claim 1, characterized in that: A guiding mechanism is provided between the moving rod (8) and the arc-shaped measuring plate (9), and an adjusting mechanism is provided on the moving rod (8), and the adjusting mechanism is connected to the guiding mechanism.

4. A tap diameter measuring device according to claim 3, characterized in that: The guide mechanism comprises a rectangular groove (15) and a rectangular rod (16). The rectangular groove (15) is opened on the bottom of the moving rod (8). The rectangular rod (16) fixedly connected to the arc-shaped measuring plate (9) is slidably installed in the rectangular groove (15).

5. The tap diameter measuring device according to claim 3, characterized in that: The adjusting mechanism comprises a threaded hole (17), an adjusting screw (18) and a knob (19); the threaded hole (17) is formed on the moving rod (8); the threaded hole (17) is connected to the rectangular groove (15); the adjusting screw (18) is threadedly mounted in the threaded hole (17); the bottom of the adjusting screw (18) is rotatably mounted on the rectangular rod (16); the top of the adjusting screw (18) is fixedly mounted with the knob (19).

6. A tap diameter measuring device according to claim 5, characterized in that: A rotation groove is provided on the top of the rectangular rod (16), an annular groove is provided on the inner wall of the rotation groove, an annular seat is fixedly mounted on the adjusting screw (18), and the annular seat is rotationally connected to the corresponding annular groove.

7. The tap diameter measuring device according to claim 1, characterized in that: A groove (4) is provided on the inner wall of the bottom of the tap placement tube (3), and an electromagnet (5) for fixing the tap is installed in the groove (4).

8. The tap diameter measuring device according to claim 1, characterized in that: The cross bar (6) is provided with a moving hole (7), the moving rod (8) is slidably connected to the moving hole (7), and a baffle (14) is fixedly mounted on the moving rod (8), and the baffle (14) is located above the cross bar (6).

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