Grinding clamp for right-hand screw tap

Abstract

The utility model belongs to the field of screw tap grinding clamps, particularly relates to a grinding clamp for a right spiral screw tap, and aims to solve the problems that when the existing grinding clamp is used, limiting and fixing need to be realized through a pin rod and a pin hole, the rotating angle cannot be finely adjusted, the screw tap needs to be detached, the angle is adjusted and the screw tap is clamped again, time and labor are wasted, the structure is complicated, the operation is tedious, and the working efficiency is high. In order to solve the problem that certain limitation and inconvenience exist, according to the scheme, the device comprises a base, a clamping mechanism, an adjusting mechanism, a sleeve and a screw tap, a transmission rod is rotationally connected to the base, the sleeve is fixedly connected to one end of the transmission rod, the clamping mechanism is arranged on the sleeve, and the screw tap is connected with the clamping mechanism. And an adjusting mechanism is arranged on the base. According to the fine-tuning screw tap, fine tuning of the screw tap can be achieved through matching parts of all the parts, accuracy and convenience are improved, and the fine-tuning screw tap is simple in structure, easy to operate and higher in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of tap grinding fixtures, in particular to a grinding fixture for right-hand spiral taps. Background Art

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

[0003] In the prior art, bolts are used for fastening. By rotating the bolts multiple times, the bolts are squeezed on the surface of the tap to fix the tap. This fixing method is cumbersome to operate. In view of the above problem, the application number is: 202122996628.X. A right-hand spiral tap grinding fixture is disclosed, which includes a base, a rotating rod, a clamping sleeve and a tap body. The base is an "L"-shaped plate structure, the rotating rod is rotatably mounted on the side wall of the base, the clamping sleeve is fixedly mounted on the right end of the rotating rod, the tap body is inserted into the inside of the clamping sleeve, and the tap body and the clamping sleeve form a fixed structure through a clamping mechanism. A rotating mechanism is provided at the right end of the rotating rod;

[0004] However, after reading the above patent documents, the following problems are found: when in use, it is necessary to limit and fix the tap by the action of the pin rod and the pin hole, and the rotation angle cannot be fine-tuned. The tap needs to be disassembled, the angle needs to be adjusted, and then clamped again, which is time-consuming and labor-intensive. In addition, the structure is complicated and the operation is cumbersome, which has certain limitations and inconveniences. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a grinding fixture for a right-hand spiral tap.

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

[0007] A grinding fixture for a right-hand spiral tap comprises a base, a clamping mechanism, an adjusting mechanism, a sleeve and a tap, wherein a transmission rod is rotatably connected to the base, one end of the transmission rod is fixedly connected to a sleeve, a clamping mechanism is provided on the sleeve, the tap is connected to the clamping mechanism, an adjusting mechanism is provided on the base, the adjusting mechanism is connected to the transmission rod, the adjusting mechanism comprises a worm wheel 1, a worm screw 1 and a fixing plate 1, two fixing plates 1 are fixedly connected to the base, the two fixing plates 1 are rotatably connected to the same worm screw 1, the worm screw 1 is meshedly connected to a worm wheel 1, the worm screw 1 is fixedly connected to the transmission rod, the clamping mechanism comprises a ring plate 1, a ring plate 2, a slider, a moving rod and a clamping plate, a ring plate 1 is fixedly connected in the sleeve, and through the coordinated design of the clamping mechanism, the adjusting mechanism, the sleeve and the transmission rod, not only can the tap be fine-tuned, the accuracy and convenience are improved, but also the structure is simple and easy to operate, the tap can be quickly clamped and fixed, and the practicability is higher.

[0008] Specifically, a ring plate 2 is rotatably sleeved on the ring plate 1, and four sliding grooves 1 are opened on the ring plate 2. Slide blocks are slidably connected in the four sliding grooves 1, and moving rods are fixedly connected to the four slide blocks. One end of the four moving rods is fixedly connected to a clamping plate, and the four clamping plates are connected to the taps for clamping and fixing the taps.

[0009] Specifically, a groove one is opened on the ring plate two, a worm wheel two is fixedly installed in the groove one, the ring plate two is rotatably connected with the sleeve, and the transmission is transmitted by the worm two and the worm wheel two, so that the ring plate two rotates a certain angle on the ring plate one and in the sleeve.

[0010] Specifically, two fixing plates 2 are fixedly connected to the sleeve, and the two fixing plates 2 are rotatably connected to the same worm 2, and the worm 2 is meshingly connected with the worm wheel 2 to adjust the rotation angle of the ring plate 2.

[0011] Specifically, the sleeve is provided with a second groove, the second groove corresponds to the second worm wheel, and one end of the second worm is fixedly connected with a second rotating plate to facilitate the meshing of the second worm wheel and the second worm wheel.

[0012] Specifically, the four moving rods are all slidably connected to the ring plate, and clamping pads are fixedly installed on the four clamping plates to form a detachable connection.

[0013] Specifically, a bearing is fixedly sleeved on the transmission rod, an outer wall of the bearing is fixedly connected to the base, and one end of the worm gear one is fixedly connected to a rotating plate one to facilitate the rotation of the worm gear one.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The utility model provides a grinding fixture for a right-hand spiral tap. Through the coordinated design of the clamping mechanism and the sleeve, the tap can be quickly clamped and fixed. The structure is simple and easy to operate, thereby improving convenience.

[0016] (2) The utility model is a grinding fixture for a right-hand spiral tap, which achieves the purpose of rotationally adjusting the tap through the coordinated design of the adjustment mechanism, the transmission rod and the sleeve, and can also achieve the effect of fine-tuning the tap, thereby solving the problem of being unable to fine-tune the rotation angle and needing to disassemble the tap to adjust the angle and re-clamp it, thereby improving accuracy and convenience and being more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following will briefly introduce the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and the structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in the utility model, so they have no technical substantive significance, and any structural modification, change in proportional relationship or adjustment of size.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a grinding fixture for a right-hand spiral tap proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the main structural anatomy of a grinding fixture for a right-hand spiral tap proposed by the utility model;

[0020] Figure 3 It is a side view structural anatomical schematic diagram of a grinding fixture for a right-hand spiral tap proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the side structure of a grinding fixture for a right-hand spiral tap.

[0022] In the figure: 1. base; 2. transmission rod; 3. sleeve; 4. ring plate 1; 5. ring plate 2; 6. sliding groove 1; 7. slider; 8. moving rod; 9. clamping plate; 10. tap; 11. worm wheel 1; 12. worm gear 1; 13. worm wheel 2; 14. worm gear 2; 15. fixed plate 1; 16. rotating plate 1; 17. fixed plate 2; 18. rotating plate 2. DETAILED DESCRIPTION

[0023] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Reference Figure 1-4 A grinding fixture for a right spiral tap comprises a base 1, a clamping mechanism, an adjusting mechanism, a sleeve 3 and a tap 10, wherein a transmission rod 2 is rotatably connected to the base 1, and a sleeve 3 is fixedly connected to one end of the transmission rod 2, a clamping mechanism is provided on the sleeve 3, and the tap 10 is connected to the clamping mechanism, an adjusting mechanism is provided on the base 1, and the adjusting mechanism is connected to the transmission rod 2, the adjusting mechanism comprises a worm wheel 11, a worm 12, and a fixing plate 15, and two fixing plates 15 are fixedly connected to the base 1, and the two fixing plates 15 are fixedly connected to the base 1. 5 is rotatably connected to a worm 12, the worm 12 is meshingly connected to a worm wheel 11, the worm wheel 11 is fixedly connected to the transmission rod 2, the clamping mechanism comprises a ring plate 14, a ring plate 25, a slider 7, a moving rod 8 and a clamping plate 9, the sleeve 3 is fixedly connected to a ring plate 4, through the coordinated design of the clamping mechanism, the adjustment mechanism, the sleeve 3 and the transmission rod 2, not only can the tap 10 be fine-tuned, the accuracy and convenience are improved, but also the structure is simple and easy to operate, the tap 10 can be quickly clamped and fixed, and the practicability is higher.

[0025] In this embodiment, a ring plate 2 5 is rotatably sleeved on the ring plate 1 4, and four sliding grooves 1 6 are opened on the ring plate 2 5. Slide blocks 7 are slidably connected in the four sliding grooves 6, and moving rods 8 are fixedly connected to the four slide blocks 7. One end of the four moving rods 8 is fixedly connected to a clamping plate 9, and the four clamping plates 9 are connected to the taps 10 for clamping and fixing the taps 10.

[0026] In this embodiment, a groove 1 is provided on the ring plate 2 5, and a worm gear 2 13 is fixedly installed in the groove 1. The ring plate 2 5 is rotatably connected to the sleeve 3, and is transmitted through the worm 2 14 and the worm gear 2 13, so that the ring plate 2 5 rotates a certain angle on the ring plate 1 4 and in the sleeve 3.

[0027] In this embodiment, two fixing plates 2 17 are fixedly connected to the sleeve 3 , and the same worm 2 14 is rotatably connected to the two fixing plates 2 17 . The worm 2 14 is meshingly connected with the worm wheel 2 13 to adjust the rotation angle of the ring plate 2 5 .

[0028] In this embodiment, a groove 2 is formed on the sleeve 3 , and the groove 2 corresponds to the worm wheel 13 . A rotating plate 2 18 is fixedly connected to one end of the worm 14 to facilitate the meshing of the worm 14 and the worm wheel 13 .

[0029] In this embodiment, the four moving rods 8 are all slidably connected to the ring plate 4, and the four clamping plates 9 are all fixedly mounted with clamping pads, which are detachably connected.

[0030] In this embodiment, a bearing is fixedly sleeved on the transmission rod 2, and the outer wall of the bearing is fixedly connected to the base 1. One end of the worm 12 is fixedly connected to a rotating plate 16 to facilitate the rotation of the worm 12.

[0031] Working principle: When in use, first insert the tap 10 into the sleeve 3, then rotate the rotating plate 2 18 to make the worm 2 14 rotate on the two fixed plates 2 17, and at the same time, the worm 2 14 and the worm wheel 2 13 are transmitted, so that the worm wheel 2 13 drives the ring plate 2 5 to rotate a certain angle on the ring plate 1 4, and at the same time, the four sliding grooves 1 6 on the ring plate 2 5 act on the four sliders 7 respectively, so that the four sliders 7 respectively drive the four moving rods 8 to slide on the ring plate 1 4, and at the same time, the four moving rods 8 respectively drive the four clamping plates 9 to move toward the tap 10 and squeeze the tap 10, so as to clamp and fix the tap 10;

[0032] When the tap 10 needs to be rotationally adjusted, the rotating plate 16 is rotated to make the worm 12 rotate on the two fixed plates 15, and at the same time, the worm 12 and the worm wheel 11 are driven so that the worm wheel 11 drives the transmission rod 2 to rotate on the base 1, and at the same time, the transmission rod 2 drives the sleeve 3 to rotate, thereby achieving the purpose of rotationally adjusting the tap 10 and achieving the effect of fine-tuning the tap 10;

[0033] The self-locking effect is achieved by the self-locking characteristics between the worm wheel 11 and the worm 12 and between the worm wheel 2 13 and the worm 2 14.

[0034] The technical progress achieved by the present invention compared with the prior art is that the matching components of various components can not only realize the fine adjustment of the tap 10, thereby improving the accuracy and convenience, but also the structure is simple and easy to operate, and the practicality is higher.

Claims

1. A grinding fixture for a right-hand spiral tap, characterized in that: The invention comprises a base (1), a clamping mechanism, an adjusting mechanism, a sleeve (3) and a tap (10), wherein the base (1) is rotatably connected to a transmission rod (2), one end of the transmission rod (2) is fixedly connected to a sleeve (3), the sleeve (3) is provided with a clamping mechanism, the tap (10) is connected to the clamping mechanism, the base (1) is provided with an adjusting mechanism, the adjusting mechanism is connected to the transmission rod (2), the adjusting mechanism comprises a worm wheel (11), a worm (12), and a fixed A fixed plate (15), two fixed plates (15) are fixedly connected to the base (1), the two fixed plates (15) are rotatably connected to the same worm (12), the worm (12) is meshingly connected to a worm wheel (11), the worm wheel (11) is fixedly connected to the transmission rod (2), the clamping mechanism comprises a ring plate (4), a ring plate (5), a slider (7), a moving rod (8) and a clamping plate (9), and the ring plate (4) is fixedly connected inside the sleeve (3).

2. A grinding fixture for a right-hand spiral tap according to claim 1, characterized in that: A ring plate 2 (5) is rotatably sleeved on the ring plate 1 (4), and four sliding grooves 1 (6) are provided on the ring plate 2 (5). Slide blocks (7) are slidably connected in the four sliding grooves 1 (6), and moving rods (8) are fixedly connected to the four slide blocks (7). One end of the four moving rods (8) is fixedly connected to a clamping plate (9), and the four clamping plates (9) are connected to the taps (10).

3. A grinding fixture for a right-hand spiral tap according to claim 2, characterized in that: A groove one is formed on the ring plate two (5), a worm wheel two (13) is fixedly installed in the groove one, and the ring plate two (5) is rotatably connected to the sleeve (3).

4. A grinding fixture for a right-hand spiral tap according to claim 3, characterized in that: The sleeve (3) is fixedly connected to two fixing plates (17), and the two fixing plates (17) are rotatably connected to a same worm (14), and the worm (14) is meshingly connected to the worm wheel (13).

5. A grinding fixture for a right-hand spiral tap according to claim 4, characterized in that: The sleeve (3) is provided with a second groove, the second groove corresponds to the second worm wheel (13), and one end of the second worm (14) is fixedly connected to a second rotating plate (18).

6. A grinding fixture for a right-hand spiral tap according to claim 2, characterized in that: The four moving rods (8) are all slidably connected to the ring plate (4), and clamping pads are fixedly installed on the four clamping plates (9).

7. A grinding fixture for a right-hand spiral tap according to claim 1, characterized in that: A bearing is fixedly sleeved on the transmission rod (2), the outer wall of the bearing is fixedly connected to the base (1), and one end of the worm gear (12) is fixedly connected to a rotating plate (16).

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