Adjustable angle block

Abstract

The utility model relates to the field of machining, in particular to an adjustable angle block which comprises an angle block set, a driving device is arranged on the angle block set, an adjusting block set is installed above the driving device, a locking assembly is fixedly installed on the right end face of the angle block set, and the locking assembly and the driving device are correspondingly clamped. When the device is used, the rotating button is rotated, the worm drives the worm wheel to rotate in a meshed mode, the worm wheel drives the gear on the fixing rod to rotate, the gear is meshed with the groove bottom tooth groove of the fixing groove and slides directionally according to limitation of the limiting rod in the limiting sliding groove, and therefore the angle plate slides on the inclined face of the upper end of the angle block set. Corresponding angle change adjustment is provided for a workpiece placed at the upper end of the angle block set, and therefore the good machining angle of the workpiece can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of machining, and particularly relates to an adjustable angle block. Background Art

[0002] During the machining process of optical or mechanical parts, for some small-sized parts, such as sample blocks with a length and width of only 10-40 mm, it is necessary to adjust the angles of these special-shaped parts so that the machining surfaces of the special-shaped parts are kept horizontal, thereby ensuring accuracy during the machining process. At this time, a corresponding angle block is required. Since the requirements for angle blocks vary, an angle block with adjustable angles is particularly important. Therefore, those skilled in the art have provided an adjustable angle block to solve the problems raised in the above background art. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides an adjustable angle block, which includes an angle block group. A driving device is arranged on the angle block group, and an adjusting block group is installed above the driving device. A locking component is fixedly installed on the right end face of the angle block group, and the locking component is correspondingly engaged with the driving device;

[0004] The driving device includes a rotary knob, a worm, an inclined groove, a through groove, an inner cavity groove, a fixed groove, a tooth groove, a limiting sliding groove, a fixed rod, a gear, a limiting rod, and a worm gear. An inclined groove is opened in the middle of the upper inclined plane of the angle block group, and an inner cavity groove is opened in the middle of the angle block group. The inner cavity groove is communicated with the inclined groove. A worm is arranged in the inner cavity groove, and the worm passes through the right end of the angle block group and is fixedly installed with a rotary knob. Fixed grooves are symmetrically opened on the front and rear sides of the inclined groove, and a through groove is arranged between the fixed groove and the inclined groove for communication. A limiting sliding groove is opened on the outer side groove wall of the fixed groove. A fixed rod is arranged in the through groove, and the fixed rod can move freely in the through groove. A worm gear is fixedly installed in the middle of the fixed rod, and the worm gear is correspondingly meshed with the worm. Gears are symmetrically and fixedly installed at the front and rear ends of the fixed rod, and the gears are arranged in the fixed groove, and the gears are correspondingly meshed with the tooth groove;

[0005] The adjusting block group includes an angle plate, a receiving groove, an arc groove, and a socket. The arc groove is symmetrically and fixedly provided with sockets at the front and rear ends, and the sockets are sleeved on the limiting rod and the fixed rod, so that the angle plate can slide on the upper inclined plane of the angle block group along with the movement of the gear on the tooth groove.

[0006] Preferably: A limiting rod is fixedly installed at the center of the outer side of the gear, and the limiting rod is arranged in the limiting sliding groove.

[0007] Preferably: The locking component includes a limiting seat, a limiting notch, a limiting spring, and a limiting ejector rod. A limiting notch is opened in the middle of the upper end of the limiting seat, and a plurality of limiting springs are arranged in the limiting notch. The upper end of the limiting spring is fixedly installed with a limiting ejector rod.

[0008] Preferably, the limiting ejector rod slides freely in the limiting notch, and the upper end of the limiting ejector rod is fixedly inserted and engaged with the rotary knob, so as to prevent the adjusted angle block from slipping and shifting after the preset height, resulting in a change in the increased angle of the angle block and affecting the use accuracy.

[0009] Preferably, a receiving groove is formed in the middle of the lower end of the angle plate, and the receiving groove is used to place the worm gear.

[0010] Preferably, arc-shaped grooves are symmetrically formed in the front and rear of the lower end of the angle plate, and the arc-shaped grooves are used to place the gears.

[0011] The technical effects and advantages of the present utility model:

[0012] 1. When the present utility model is in use, by rotating the rotary knob, the worm drives the worm gear to mesh and rotate, so that the worm gear drives the gear on the fixed rod to rotate. The gear meshes with the tooth groove at the bottom of the fixed groove and slides directionally according to the limitation of the limiting rod in the limiting sliding groove, so that the angle plate slides on the inclined surface at the upper end of the angle block group, providing a corresponding angle change adjustment for the workpiece placed on the upper end of the angle block group, so that the workpiece can ensure a good machining angle.

[0013] 2. When the present utility model is in use, the compression on the limiting spring is released, so that the limiting spring pushes the limiting ejector rod to lock the rotary knob, preventing the angle plate from deflecting and sliding after adjustment, ensuring the fixed angle after adjustment, and improving the stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram provided by the present application;

[0015] Figure 2 is a schematic structural diagram of the tooth groove provided by the present application;

[0016] Figure 3 is a schematic structural diagram of the worm provided by the present application;

[0017] In the figure: 1. Angle block group; 2. Driving device; 3. Locking assembly; 4. Adjusting block group;

[0018] 21. Rotary knob; 22. Worm; 23. Oblique groove; 24. Through groove; 25. Inner cavity groove; 26. Fixed groove; 27. Tooth groove; 28. Limiting sliding groove; 29. Fixed rod; 210. Gear; 211. Limiting rod; 212. Worm gear;

[0019] 31. Limiting seat; 32. Limiting notch; 33. Limiting spring; 34. Limiting ejector rod;

[0020] 41. Angle plate; 42. Receiving groove; 43. Arc-shaped groove; 44. Sleeve seat. DETAILED DESCRIPTION OF THE INVENTION

[0021] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0022] Please refer to Figures 1 to 3 , in this embodiment, an adjustable angle block is provided, including an angle block group 1, a driving device 2 is arranged on the angle block group 1, an adjusting block group 4 is installed above the driving device 2, a locking component 3 is fixedly installed on the right end face of the angle block group 1, and the locking component 3 is correspondingly engaged with the driving device 2;

[0023] The driving device 2 includes a knob 21, a worm 22, an inclined groove 23, a through groove 24, an inner cavity groove 25, a fixing groove 26, a tooth groove 27, a limiting sliding groove 28, a fixing rod 29, a gear 210, a limiting rod 211 and a worm gear 212. An inclined groove 23 is opened in the middle of the upper inclined surface of the angle block group 1, an inner cavity groove 25 is opened in the middle of the angle block group 1, the inner cavity groove 25 communicates with the inclined groove 23, a worm 22 is arranged in the inner cavity groove 25, the worm 22 passes through the right end of the angle block group 1 and is fixedly installed with a knob 21, fixing grooves 26 are symmetrically opened on the front and rear sides of the inclined groove 23, a through groove 24 is opened between the fixing groove 26 and the inclined groove 23 for communication, a limiting sliding groove 28 is opened on the outer side groove wall of the fixing groove 26, a fixing rod 29 is arranged in the through groove 24, the fixing rod 29 can move freely in the through groove 24, a worm gear 212 is fixedly installed in the middle of the fixing rod 29, the worm gear 212 is correspondingly meshed with the worm 22, gears 210 are symmetrically and fixedly installed at the front and rear ends of the fixing rod 29, the gears 210 are arranged in the fixing groove 26, the gears 210 are correspondingly meshed with the tooth groove 27, a limiting rod 211 is fixedly arranged at the center of the outer side of the gear 210, and the limiting rod 211 is arranged in the limiting sliding groove 28;

[0024] The locking component 3 includes a limiting seat 31, a limiting notch 32, a limiting spring 33 and a limiting ejector rod 34. A limiting notch 32 is opened in the middle of the upper end of the limiting seat 31, a plurality of limiting springs 33 are arranged in the limiting notch 32, a limiting ejector rod 34 is fixedly arranged at the upper end of the limiting spring 33, the limiting ejector rod 34 can slide freely in the limiting notch 32, and the upper end of the limiting ejector rod 34 is correspondingly inserted and fixed with the knob 21, thereby preventing the adjusted angle block from sliding and shifting after the preset height, resulting in a change in the increased angle of the angle block and affecting the use accuracy;

[0025] The adjustment block group 4 includes an angle plate 41, a receiving groove 42, an arc groove 43 and a sleeve seat 44. A receiving groove 42 is formed in the middle of the lower end of the angle plate 41 for placing the worm gear 212. Arc grooves 43 are symmetrically formed in the front and rear of the lower end of the angle plate 41 for placing the gear 210. Sleeve seats 44 are symmetrically and fixedly arranged at the front and rear ends of the arc groove 43. The sleeve seats 44 are sleeved on the limiting rod 211 and the fixing rod 29, so that the angle plate 41 can slide on the inclined surface of the angle block group 1 along with the movement of the gear 210 on the tooth groove 27.

[0026] The working principle of the present utility model is as follows:

[0027] When the present utility model is in use, first press down the limiting ejector rod 34, so that the limiting ejector rod 34 compresses the limiting spring 33. The limiting ejector rod 34 moves downward in the limiting notch 32, and the limiting ejector rod 34 releases the limit on the rotary knob 21. Then rotate the rotary knob 21, and the worm 22 drives the worm gear 212 to engage and rotate. Thus, the worm gear 212 drives the gear 210 on the fixing rod 29 to rotate. The gear 210 meshes with the tooth groove 27 at the bottom of the fixing groove 26 and slides directionally according to the limitation of the limiting rod 211 in the limiting sliding groove 28. As a result, the angle plate 41 slides on the inclined surface at the upper end of the angle block group 1, providing corresponding angle change adjustment for the workpiece placed at the upper end of the angle block group 1, so that the workpiece can ensure a good machining angle. At the same time, the oppression on the limiting spring 33 is released, and then the limiting spring 33 pushes the limiting ejector rod 34 to lock the rotary knob 21, preventing the angle plate 41 from deflecting and sliding after adjustment, ensuring the fixed angle after adjustment and improving the stability.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. An adjustable angle block, comprising an angle block set (1), characterized in that: The angle block group (1) is provided with a driving device (2), an adjusting block group (4) is installed above the driving device (2), a locking component (3) is fixedly installed on the right end surface of the angle block group (1), and the locking component (3) is correspondingly engaged with the driving device (2); The driving device (2) comprises a knob (21), a worm (22), an inclined groove (23), a through groove (24), an inner cavity groove (25), a fixed groove (26), a tooth groove (27), a limiting sliding groove (28), a fixed rod (29), a gear (210), a limiting rod (211) and a worm wheel (212); the middle part of the upper inclined surface of the angle block group (1) is provided with an inclined groove (23); the middle part of the angle block group (1) is provided with an inner cavity groove (25); the inner cavity groove (25) is connected with the inclined groove (23); a worm (22) is arranged in the inner cavity groove (25); the worm (22) passes through the right end of the angle block group (1) and is fixedly mounted with a knob (21); the front end of the inclined groove (23) is provided with a worm (22); The rear two sides are symmetrically provided with fixed grooves (26), a through groove (24) is provided between the fixed groove (26) and the inclined groove (23) for communication, a limited sliding groove (28) is provided on the groove wall on the outer side of the fixed groove (26), a fixed rod (29) is provided in the through groove (24), the fixed rod (29) can move freely in the through groove (24), a worm wheel (212) is fixedly installed in the middle of the fixed rod (29), the worm wheel (212) and the worm (22) are meshed correspondingly, and a gear (210) is symmetrically fixedly installed at the front and rear ends of the fixed rod (29), the gear (210) is arranged in the fixed groove (26), and the gear (210) and the tooth groove (27) are meshed correspondingly; The adjusting block group (4) comprises an angle plate (41), a receiving groove (42), an arc groove (43) and a sleeve seat (44). The sleeve seats (44) are symmetrically fixedly arranged at the front and rear ends of the arc groove (43). The sleeve seat (44) is sleeved on the limiting rod (211) and the fixing rod (29), so that the angle plate (41) can slide on the inclined surface of the angle block group (1) as the gear (210) moves on the tooth groove (27).

2. The adjustable angle block according to claim 1, characterized in that: A limiting rod (211) is fixedly arranged at the center of the outer side of the gear (210), and the limiting rod (211) is arranged in the limiting sliding groove (28).

3. The adjustable angle block according to claim 1, characterized in that: The locking assembly (3) comprises a limiting seat (31), a limiting slot (32), a limiting spring (33) and a limiting push rod (34); the limiting seat (31) has a limiting slot (32) in the middle of the upper end, a plurality of limiting springs (33) are arranged in the limiting slot (32), and the limiting push rod (34) is fixedly arranged on the upper end of the limiting spring (33).

4. The adjustable angle block according to claim 3, characterized in that: The limiting push rod (34) slides freely in the limiting slot (32), and the upper end of the limiting push rod (34) is correspondingly inserted and fixed with the rotating button (21).

5. The adjustable angle block according to claim 1, characterized in that: A receiving groove (42) is provided in the middle of the lower end of the angle plate (41), and the receiving groove (42) is used to accommodate the worm gear (212).

6. The adjustable angle block according to claim 1, characterized in that: The lower end of the angle plate (41) is symmetrically provided with an arc groove (43) in the front and rear directions, and the arc groove (43) is used to accommodate the gear (210).

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