Angle-adjustable power tool apron

Abstract

The utility model provides an angle-adjustable power tool apron which comprises a fixing frame and a swing seat, the swing seat is rotatably arranged on the fixing frame, the fixing frame is provided with a swing groove, one side wall of the swing groove is provided with a through hole, a centering shaft is arranged in the through hole, the centering shaft is provided with a plurality of fixing holes penetrating through the two ends, and the groove bottom of the swing groove is provided with a power shaft. A cutter sleeve main shaft is arranged in the cutter swinging seat; the power shaft is used for driving the cutter sleeve main shaft to rotate; a plurality of threaded holes are formed in the side, close to the through hole, of the swing base. The swing of the swing seat drives the angle of the cutter sleeve main shaft to be adjusted, after the angle is adjusted in place, a bolt penetrates through the centering shaft to be locked in the threaded hole, and the swing seat is locked and fixed to the fixing frame, so that a workpiece can be machined at different angles. A worm and gear mechanism is omitted, angle displacement caused by vibration brought by the worm and gear mechanism is avoided, the overall structure is simpler, and the manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to the field of lathe equipment, in particular to an angle-adjustable power tool holder. Background Art

[0002] A lathe is a machine tool that mainly uses a turning tool to turn a rotating workpiece. Drills, reamer drills, reamers, taps, dies and knurling tools can also be used on the lathe for corresponding processing. With the continuous development of science and technology, CNC lathes have also emerged. CNC lathes are a kind of high-precision and high-efficiency automated machine tools. With the diversity of market products, the power tool holder, as an important component of the lathe, also needs to be able to be used for processing products at different angles. The existing power tool holder patent number is CN215615178U, an adjustable angle tool holder mechanism and its lathe, which realizes the swing of the tool holder through the internal worm gear to process workpieces at different angles, but the tool holder has the following problems in actual use: 1. There is a gap between the worm gear and the worm gear, and the vibration angle generated in actual use often runs out of position, and the products produced are often defective, the feed amount is not too large, and the production efficiency is low; 2. The use of the worm gear fine-tuning device increases the processing cost of the overall power tool holder. Utility Model Content

[0003] The utility model provides an angle-adjustable power tool holder, aiming to improve the problems of vibration, displacement and high manufacturing cost of the existing angle-adjustable power tool holder.

[0004] The utility model is implemented as follows: an angle-adjustable power tool holder, comprising:

[0005] A fixed frame and a swing seat, the swing seat is rotatably arranged on the fixed frame, the fixed frame is provided with a swing groove, a through hole is provided on one side wall of the swing groove, a centering shaft is provided in the through hole, the centering shaft has a plurality of fixing holes passing through both ends, and a power shaft is provided at the bottom of the swing groove; a tool sleeve main shaft is provided in the swing seat, and the power shaft is used to drive the tool sleeve main shaft to rotate; a plurality of threaded holes are provided on one side of the swing seat close to the through hole, and the fixing hole and the threaded hole are fixed by bolt connection.

[0006] Furthermore, a dial is provided at one end of the centering shaft away from the swing seat.

[0007] Furthermore, a sink groove is provided on the side of the fixing frame at the position of the through hole, and the dial is arranged in the sink groove.

[0008] Furthermore, the fixed frame is provided with a transmission shaft on the other side wall of the swing slot, the power transmission between the transmission shaft and the power shaft is a first helical gear pair, and the power transmission between the transmission shaft and the tool sleeve main shaft is a second helical gear pair.

[0009] Furthermore, a copper sleeve is installed on a side of the power shaft away from the swing slot.

[0010] Furthermore, a plurality of latching teeth are provided on a side of the fixing frame away from the swing seat.

[0011] The beneficial effects of the utility model are:

[0012] The utility model discloses an angle-adjustable tool holder, which includes a fixed frame and a swinging frame. The fixed frame is provided with a swinging slot, and the swinging seat is rotatably provided on the fixed frame. A through hole is provided on one side wall of the swinging slot, and a centering shaft is provided in the through hole. The centering shaft has a plurality of fixing holes penetrating both ends, and a power shaft is provided at the bottom of the swinging slot. A tool sleeve spindle is provided in the tool swinging seat, and the power shaft is used to drive the tool sleeve spindle to rotate. A plurality of threaded holes are provided on one side of the swinging seat close to the through hole. The swinging of the swinging seat drives the angle adjustment of the tool sleeve spindle. When the angle is adjusted to the right position, the centering shaft is locked in the threaded hole through a bolt, and the swinging seat is locked and fixed on the fixed frame, so that the workpiece can be processed at different angles. Compared with the existing angle-adjustable power tool holder, the utility model eliminates the turbine worm mechanism, avoids the angle displacement caused by the vibration brought by the mechanism, and has a simpler overall structure and lower manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is an overall structural diagram of an angle-adjustable knife holder of the utility model;

[0015] Figure 2 It is a cross-sectional view of a knife seat with adjustable angle of the utility model.

[0016] Reference numerals:

[0017] 10. Fixed frame; 101. Swinging slot; 102. Transmission shaft; 103. Centering shaft; 104. Power shaft; 1041. Copper sleeve; 105. First helical gear pair; 106. Second helical gear pair; 107. Scale plate; 108. Fixed hole; 109. Gear;

[0018] 20. Swing seat; 201. Tool sleeve spindle; 202. Threaded hole. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0022] Embodiment 1

[0023] Please refer to Figure 1 , Figure 2As shown, this embodiment provides an adjustable angle power tool holder, including a fixed frame 10 and a swinging frame 20, the swinging frame 20 is rotatably arranged on the fixed frame 10, the fixed frame 10 is provided with a swinging slot 101, a through hole is arranged on one side wall of the swinging slot 101, a centering shaft 103 is arranged in the through hole, the centering shaft 103 is provided with a plurality of fixing holes 108 penetrating both ends, a tool sleeve main shaft 201 is arranged in the swinging frame 20, a plurality of threaded holes 202 are opened on one side of the swinging frame 20 close to the through hole, and the fixing holes 108 and the threaded holes 202 are connected and fixed by bolts. Specifically, the swinging frame 20 swings ±90° in the swinging slot 101, driving the swinging of the tool sleeve main shaft 201, and when the swinging angle is completed, the bolt passes through the fixing hole 108 and is locked in the threaded hole 202, and the swinging frame 20 is locked and fixed on the fixed frame 10, that is, the angle of the power tool holder is fixed. In this embodiment, the threaded holes 202 and the fixing holes 108 are 5 in number, and the 5 bolts are used to lock and fix the swing seat 20 to avoid vibration, and the assembly and disassembly are convenient, which improves the practicality. Compared with the existing adjustable angle power tool holder, the utility model eliminates the worm gear mechanism, avoids the angle displacement caused by the vibration of the mechanism, and has a simpler overall structure and a lower manufacturing cost.

[0024] Please refer to Figure 1 , Figure 2 As shown, a dial 107 is provided at one end of the centering shaft 103 away from the swing seat 20, and the dial 107 is used to intuitively show the adjustment angle of the swing seat 20. A sink groove is provided on the side of the fixing frame 10 at the position of the through hole, and the dial 107 is arranged in the sink groove. The locking dial 107 is on the fixing frame 10. The sink groove can prevent the locked dial 107 from rotating on the one hand, and increase the pressing area on the other hand, so that the swing seat 20 and the fixing frame 10 are firmly fixed.

[0025] Please refer to Figure 1 , Figure 2 As shown, a power shaft 104 is provided at the bottom of the swing slot 101; the power shaft 104 is used to drive the tool sleeve main shaft 201 to rotate; specifically, the fixed frame 10 is provided with a transmission shaft 102 on the other side wall of the swing slot 101, the power transmission between the transmission shaft 102 and the power shaft 104 is a first helical gear pair 105, and the power transmission between the transmission shaft 102 and the tool sleeve main shaft 201 is a second helical gear pair 106, the power shaft 104 rotates and transmits the power to the tool sleeve main shaft 201 through the transmission, driving the rotation of the tool sleeve main shaft 201 to achieve the processing of the workpiece. The power shaft 104, the transmission shaft 102 and the tool sleeve main shaft 201 are all fixed by bearings. Furthermore, a copper sleeve 1041 is installed on the side of the power shaft 104 away from the swing slot 101, and the copper sleeve 1041 can avoid the vibration of the power shaft 104 and further improve the stability of the processing.

[0026] In addition, the fixing frame 10 is provided with a plurality of latch teeth 109, and the latch teeth 109 are used to install the power tool holder on the lathe to achieve quick installation.

[0027] Embodiment 2

[0028] This embodiment provides a lathe with an adjustable angle tool holder mechanism (not shown), including an adjustable angle power tool holder as in Embodiment 1. The lathe may be a CNC lathe, and when the tool holder mechanism is used for cutting, the machining angle of the tool can be adjusted to complete the machining of the inclined side of the workpiece, thereby avoiding the problem of clamping or machining difficulties of a special-shaped workpiece, and improving practicality and machining efficiency.

[0029] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable angle power tool holder, characterized in that: include: A fixed frame and a swing seat, the swing seat is rotatably arranged on the fixed frame, the fixed frame is provided with a swing groove, a through hole is provided on one side wall of the swing groove, a centering shaft is provided in the through hole, the centering shaft is provided with a plurality of fixing holes passing through both ends, and a power shaft is provided at the bottom of the swing groove; a tool sleeve main shaft is provided in the swing seat, and the power shaft is used to drive the tool sleeve main shaft to rotate; a plurality of threaded holes are provided on one side of the swing seat close to the through hole, and the fixing hole and the threaded hole are fixed by bolt connection.

2. The adjustable angle power tool holder according to claim 1, characterized in that: A graduated disc is arranged at one end of the centering shaft away from the swing seat.

3. The adjustable angle power tool holder according to claim 2, characterized in that: A sinking groove is arranged on the side surface of the fixing frame at the position of the through hole, and the scale plate is arranged in the sinking groove.

4. The adjustable angle power tool holder according to claim 1, characterized in that: The fixed frame is provided with a transmission shaft on the other side wall of the swing slot, the power transmission between the transmission shaft and the power shaft is a first helical gear pair, and the power transmission between the transmission shaft and the tool sleeve main shaft is a second helical gear pair.

5. The adjustable angle power tool holder according to claim 1, characterized in that: A copper sleeve is installed on the side of the power shaft away from the swing slot.

6. The adjustable angle power tool holder according to claim 1, characterized in that: A plurality of latching teeth are arranged on one side of the fixing frame away from the swing seat.

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