A dynamic tool holder for inner hole processing

Abstract

The utility model discloses a power tool holder for inner hole processing, specifically relates to the technical field of power tool holders, including a base, a transmission shaft passing through one side of the top of the base, a through slot on the other side of the top of the base, a processing assembly for processing inner holes arranged in the through slot, a rotating rod fixedly arranged at the bottom of the transmission shaft and the bottom of the processing assembly, the two rotating rods are connected by a connecting assembly, the connecting assembly includes two first pulleys, and the two first pulleys are respectively fixed on the two rotating rods. The utility model drives two threaded rods meshed by two bevel gears to rotate simultaneously by a motor, so as to adjust the position of the first pulley under the fixture and adjust the cutter head on the fixture, without manual adjustment, and is more convenient to use. At the same time, the belt is tightened by the second pulley to avoid the loose belt from affecting the rotation stability of the first pulley, thereby improving the stability of the cutter head when processing the inner hole.

Description

Technical Field

[0001] The utility model relates to the technical field of a power tool holder, in particular to a power tool holder for inner hole processing. Background Art

[0002] Turning centers are high-precision composite processing machines that can achieve one-time clamping and complete composite processing tasks, playing an increasingly important role in today's high-end manufacturing industry. As an important component of the turning center's functions, the power tool holder plays a unique role. Turning centers can use special power tool holders to achieve composite processing that was previously difficult to achieve, such as milling variable pitch helical lines on the inner wall of the inner hole, processing irregular grooves on the inner wall, and other special requirements. Therefore, the requirements for power tool holders are becoming higher and higher.

[0003] For example, the prior art publication number is CN219379076U, which is a power tool holder for inner wall drills. The utility model arranges an extension shell on the left side of the outer shell, so that the product can select different extension shell distances according to the length of the inner wall drill to achieve long-distance drilling. At the same time, by arranging synchronous wheels in the extension shell and the outer shell, and realizing transmission connection through a synchronous belt, the processing accuracy is guaranteed.

[0004] However, the above-mentioned prior art still has the following problems when in use: when adjusting the position of the cutter head, it is necessary to select extension shells of different lengths for use, and replacing the extension shell requires frequent disassembly of the extension shell and the outer shell, which is very inconvenient to use. Based on this, the utility model provides an inner hole processing power tool holder that is convenient for adjusting the position of the cutter head. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a power tool holder for inner hole processing, which drives two threaded rods to rotate simultaneously by a motor to adjust the positions of the clamp and the cutter head. No manual adjustment is required, and it is more convenient to use. At the same time, the belt is tightened by the second pulley to avoid the loose belt affecting the rotation stability of the first pulley, thereby improving the stability of the cutter head when processing the inner hole, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power tool holder for inner hole processing, comprising a base, a transmission shaft passing through one side of the top of the base, a through groove being opened on the other side of the top of the base, a processing assembly for processing the inner hole being arranged in the through groove, a rotating rod being fixedly arranged at the bottom of the transmission shaft and the bottom of the processing assembly, the two rotating rods being connected by a connecting assembly, the connecting assembly comprising two first pulleys, the two first pulleys being fixedly sleeved on the two rotating rods respectively, a second pulley being arranged inside the base, and the second pulley being arranged on one side of the first pulley, the second pulley being connected to the two first pulleys by a belt, and a driving assembly for driving the first pulley and the second pulley to rotate being arranged inside the base.

[0007] In a preferred embodiment, the drive assembly includes two threaded rods, and the outer walls of the two threaded rods are fixedly sleeved with bevel gears. The two bevel gears are meshed with each other, and nut blocks are threadedly connected to the two threaded rods. The first pulley is driven to move by means of the threaded rods and the nut blocks, thereby facilitating the adjustment of the position of the cutter head.

[0008] In a preferred embodiment, a round rod is fixedly passed through the inside of the second pulley, and the bottom of the round rod and the bottom end of the rotating rod at the bottom of the processing assembly are respectively fixed to the tops of two nut blocks. The round rod and the rotating rod are supported by the nut blocks to facilitate the adjustment of the position of the rotating rod.

[0009] In a preferred embodiment, two sliding grooves are provided on the inner wall of the bottom of the base, and two nut blocks are slidably disposed in the two sliding grooves respectively, so as to improve the stability of the nut blocks when moving.

[0010] In a preferred embodiment, the outer walls of the two threaded rods are movably sleeved with vertical plates, the bottoms of the two vertical plates are fixed to the inner wall of the bottom of the base, and the two vertical plates are respectively arranged on one side of the two bevel gears, and a motor is fixedly embedded in the inner wall of the front end of the base, one end of the motor output shaft is fixed to one end of the threaded rod located below the second pulley, and the threaded rod is driven to rotate by the motor, which is very time-saving and labor-saving to use.

[0011] In a preferred embodiment, the processing component includes a clamp, a limit block is fixedly sleeved on the outer wall of the clamp, the bottom of the limit block passes through the slide groove, and the bottom of the limit block is fixed to the top of the rotating rod above the nut block, and a cutter head is provided in the clamp, and the inner hole is processed by the cutter head.

[0012] In a preferred embodiment, a plurality of mounting holes are formed on the top of the base, and the plurality of mounting holes are evenly distributed on the base to improve the stability of the base.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model drives two threaded rods meshed with two bevel gears by a motor to rotate simultaneously, so as to adjust the position of the first pulley below the clamp and the cutter head on the clamp without manual adjustment, which is more convenient to use. At the same time, the belt is tightened by the second pulley to prevent the loose belt from affecting the rotation stability of the first pulley, thereby improving the stability of the cutter head when processing the inner hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the base of the utility model;

[0017] Figure 3 For the utility model Figure 2 Top view;

[0018] Figure 4 It is a partial schematic diagram of the utility model;

[0019] Figure 5 It is a top view of the base of the utility model.

[0020] The reference numerals are: 1, base; 2, transmission shaft; 3, through slot; 4, processing assembly; 5, rotating rod; 6, connecting assembly; 7, driving assembly; 8, slide slot; 9, vertical plate; 10, motor; 11, mounting hole;

[0021] 401, fixture; 402, limit block; 403, cutter head;

[0022] 601, first pulley; 602, second pulley; 603, belt; 604, round rod;

[0023] 701, threaded rod; 702, bevel gear; 703, nut block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] Refer to the instruction manual Figure 1-5The utility model provides an inner hole processing power tool holder, including a base 1, a transmission shaft 2 passes through one side of the top of the base 1, a through slot 3 is opened on the other side of the top of the base 1, a processing component 4 for processing the inner hole is arranged in the through slot 3, and the processing component 4 includes a clamp 401, a limit block 402 is fixedly sleeved on the outer wall of the clamp 401, the bottom of the limit block 402 passes through the slide slot 8, and the bottom of the limit block 402 is fixed to the top of the rotating rod 5 above the nut block 703, and a cutter head 403 is arranged in the clamp 401, and the inner hole is processed by the cutter head 403;

[0026] Next, a rotating rod 5 is fixedly provided at the bottom of the transmission shaft 2 and the bottom of the processing assembly 4, and the two rotating rods 5 are connected by a connecting assembly 6, and the connecting assembly 6 includes two first pulleys 601, and the two first pulleys 601 are fixedly sleeved on the two rotating rods 5 respectively. A second pulley 602 is provided inside the base 1, and the second pulley 602 is arranged on one side of the first pulley 601, and the second pulley 602 is connected to the two first pulleys 601 through a belt 603. A motor 10 is fixedly embedded on the inner wall of the front end of the base 1, and one end of the output shaft of the motor 10 is fixed to one end of the threaded rod 701 located below the second pulley 602, so as to drive the threaded rod 701 to rotate;

[0027] In addition, a driving assembly 7 for driving the first pulley 601 and the second pulley 602 to rotate is provided inside the base 1, and the driving assembly 7 includes two threaded rods 701, and the outer walls of the two threaded rods 701 are fixedly sleeved with bevel gears 702, and the two bevel gears 702 are meshed with each other. Nut blocks 703 are threadedly connected on the two threaded rods 701, and a round rod 604 is fixedly passed through the inside of the second pulley 602. The bottom of the round rod 604 and the bottom end of the rotating rod 5 at the bottom of the processing assembly 4 are respectively fixed to the tops of the two nut blocks 703, and the nut blocks 703 are used to support the round rod 604 and the rotating rod 5, so as to facilitate the adjustment of the position of the rotating rod 5.

[0028] During use, the staff uses the motor 10 to drive the two threaded rods 701 meshed by the two bevel gears 702 to rotate simultaneously according to the processing requirements. The nut blocks 703 on the two threaded rods 701 respectively drive the rotating rod 5 and the round rod 604 to move together, so as to adjust the position of the first pulley 601 below the fixture 401. At the same time, the belt 603 is tightened with the help of the second pulley 602 to adjust the cutter head 403 on the fixture 401. No manual adjustment is required, which is more convenient to use. Then the transmission shaft 2 is connected to the power equipment, and the transmission shaft 2 drives the first pulley 601 to rotate. The first pulley 601 drives the first pulley 601 at the bottom of the fixture 401 to rotate through the belt 603, so that the cutter head 403 rotates to process the inner hole.

[0029] Refer to the instruction manual Figure 1-5The bottom inner wall of the base 1 is provided with two slide grooves 8, and two nut blocks 703 are respectively slidably arranged in the two slide grooves 8, so as to improve the stability of the nut blocks 703 when moving. The outer walls of the two threaded rods 701 are movably sleeved with vertical plates 9, and the bottoms of the two vertical plates 9 are fixed to the bottom inner wall of the base 1, and the two vertical plates 9 are respectively arranged on one side of the two bevel gears 702;

[0030] The threaded rod 701 is supported by the vertical plate 9 to improve the stability of the threaded rod 701, and a slide groove 8 is provided on the inner wall of the bottom of the base 1 to limit the nut block 703, thereby improving the stability of the nut block 703 when moving;

[0031] The top of the base 1 is provided with a plurality of mounting holes 11 , and the plurality of mounting holes 11 are evenly distributed on the base 1 .

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A power tool holder for inner hole machining, comprising a base (1), characterized in that: A transmission shaft (2) passes through one side of the top of the base (1), a through groove (3) is provided on the other side of the top of the base (1), and a processing component (4) for processing an inner hole is provided in the through groove (3); A rotating rod (5) is fixedly provided at the bottom of the transmission shaft (2) and the bottom of the processing assembly (4), and the two rotating rods (5) are connected via a connecting assembly (6). The connecting assembly (6) comprises two first pulleys (601), and the two first pulleys (601) are respectively fixedly sleeved on the two rotating rods (5). A second pulley (602) is provided inside the base (1), and the second pulley (602) is arranged on one side of the first pulley (601); The second pulley (602) is connected to the two first pulleys (601) via a belt (603), and a driving component (7) for driving the first pulley (601) and the second pulley (602) to rotate is provided inside the base (1).

2. The inner hole processing power tool holder according to claim 1, characterized in that: The driving assembly (7) comprises two threaded rods (701), the outer walls of the two threaded rods (701) are fixedly sleeved with bevel gears (702), the two bevel gears (702) are meshed with each other, and the two threaded rods (701) are threadedly connected with nut blocks (703).

3. The inner hole machining power tool holder according to claim 2, characterized in that: A round rod (604) is fixedly inserted into the interior of the second pulley (602), and the bottom of the round rod (604) and the bottom end of the rotating rod (5) at the bottom of the processing assembly (4) are respectively fixed to the tops of the two nut blocks (703).

4. The inner hole machining power tool holder according to claim 2, characterized in that: The bottom inner wall of the base (1) is provided with two slide grooves (8), and the two nut blocks (703) are respectively slidably arranged in the two slide grooves (8) to limit the movement of the nut blocks (703).

5. The inner hole machining power tool holder according to claim 2, characterized in that: The outer walls of the two threaded rods (701) are movably sleeved with vertical plates (9), the bottoms of the two vertical plates (9) are fixed to the inner wall of the bottom of the base (1), and the two vertical plates (9) are respectively arranged on one side of the two bevel gears (702), and a motor (10) is fixedly embedded in the inner wall of the front end of the base (1), and one end of the output shaft of the motor (10) is fixed to one end of the threaded rod (701) located below the second pulley (602) for driving the threaded rod (701) to rotate.

6. The inner hole machining power tool holder according to claim 4, characterized in that: The processing assembly (4) comprises a clamp (401), the outer wall of the clamp (401) is fixedly sleeved with a limit block (402), the bottom of the limit block (402) passes through the slide groove (8), and the bottom of the limit block (402) is fixed to the top of the rotating rod (5) above the nut block (703), and a cutter head (403) is arranged in the clamp (401).

7. The inner hole machining power tool holder according to claim 1, characterized in that: The top of the base (1) is provided with a plurality of mounting holes (11), and the plurality of mounting holes (11) are evenly distributed on the base (1).

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