Forward one-rotation multi-cutting power head

Abstract

The utility model relates to the technical field of machining, in particular to a forward one-rotation multi-cutting power head which comprises a power base and a tool base, an input shaft hole is formed in the middle of the power base in a penetrating mode, an input shaft is rotatably arranged in the input shaft hole, and a plurality of output shaft holes are formed in the tool base in a penetrating mode. The plurality of output shaft holes comprise a main shaft hole and a plurality of auxiliary shaft holes, the central axis of the main shaft hole and the central axis of the input shaft hole are collinear, an output main shaft is rotatably arranged in the main shaft hole, an output auxiliary shaft is rotatably arranged in the auxiliary shaft holes, and transmission teeth are fixedly arranged on the upper sides of the output main shaft and the output auxiliary shaft; the transmission teeth between the output main shaft and the output auxiliary shaft are meshed with each other, and the lower end of the output main shaft and the lower end of the output auxiliary shaft are each provided with an assembling hole used for installing a cutter. According to the utility model, a plurality of cutter chucks operate through one driving mechanism, the structure is simple and compact, complex workpieces are clamped and machined at one time, and the occupied space is greatly saved; the stability is high, and the process requirement of high-speed machining is met.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, and particularly relates to a forward one-turn multi-cutting power head. Background Art

[0002] With the widespread application of CNC machine tools, the CNC rate of special machine tools, combined machine tools and their general components is also constantly improving. CNC machine tools can not only perform milling processing on workpieces, but also perform drilling and tapping on the side or end face of workpieces. The tool power head of ordinary CNC machine tools is generally set horizontally or vertically. When the workpiece needs to be processed, the workpiece is generally fixed on the spindle fixture of the CNC machine tool, and then the workpiece is processed. The above-mentioned power head is also called a power tool holder, which generally refers to a tool holder installed on a power turret and driven by a servo motor. When installing the power head of an existing CNC lathe, it is fixed on the tool slide of the CNC machine tool by bolts. Whether it is installed or disassembled, it is very troublesome and occupies a large space. Different power heads need to be replaced for processing different parts, so it has a great impact on the improvement of production efficiency. Utility Model Content

[0003] The utility model provides a forward one-turn multi-cutting power head to solve the problems of the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a forward one-turn multi-cutting power head, comprising:

[0005] A power seat, wherein an input shaft hole is provided through the middle of the power seat, an input shaft is rotatably provided in the input shaft hole, the input shaft comprises an upper connecting seat, a transmission shaft and a lower connecting seat, an upper assembly groove is provided at the upper end of the upper connecting seat, a lower assembly groove is provided at the lower end of the lower connecting seat, the upper end of the transmission shaft is fixedly connected to the lower end surface of the upper connecting seat, and the lower end of the transmission shaft is fixedly connected to the upper end surface of the lower connecting seat;

[0006] A tool seat, wherein a plurality of output shaft holes are penetrated inside the tool seat, the plurality of output shaft holes include a main shaft hole and a plurality of secondary shaft holes, the central axis of the main shaft hole and the central axis of the input shaft hole are colinearly arranged, an output main shaft is rotatably arranged in the main shaft hole, an output secondary shaft is rotatably arranged in the secondary shaft hole, an upper assembly block is arranged on the output main shaft, the upper assembly block is inserted into the lower assembly groove, transmission teeth are fixedly arranged on the upper sides of the output main shaft and the output secondary shaft, the transmission teeth between the output main shaft and the output secondary shaft are meshed with each other, and the lower ends of the output main shaft and the output secondary shaft are both provided with assembly holes for installing tools.

[0007] As a further improvement, the side wall of the tool holder is provided with a plurality of cooling grooves, and a coolant nozzle is rotatably provided in the cooling grooves.

[0008] As a further improvement, a sealing plate is bolted to the lower end of the tool seat, an output hole is provided through the middle of the sealing plate, and a sealing ring is embedded in the output hole.

[0009] As a further improvement, the upper ends of the output main shaft and the output secondary shaft are provided with keyways, the keyways are embedded with key pins, and the transmission teeth are fixedly connected to the output main shaft or the output secondary shaft via the key pins.

[0010] As a further improvement, a plurality of sets of upper bearings are sleeved on the transmission shaft, and the outer rings of the plurality of sets of upper bearings abut against the inner wall of the power seat.

[0011] As a further improvement, the output main shaft and the output secondary shaft are both sleeved with multiple sets of lower bearings, and the outer rings of the lower bearings abut against the inner wall of the tool seat.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In actual use, the utility model first connects the upper assembly groove above the input shaft with the transmission device, drives the input shaft to rotate through the transmission device, and drives the output main shaft matched with it to rotate. At the same time, the output secondary shaft is driven to rotate synchronously through the transmission teeth on the output main shaft. Multiple tool chucks are driven to operate through one driving mechanism. The structure is simple and compact, and complex workpieces can be clamped and processed at one time, which greatly saves space and is convenient for quick replacement of tools during use, and is also convenient for maintenance and replacement.

[0014] 2. The utility model realizes cooling and lowering the temperature of the workpiece by spraying coolant through the coolant nozzle, thereby improving the accuracy of the tool in processing the workpiece;

[0015] 3. The utility model seals the lower end of the tool seat through a sealing plate and a sealing ring, thereby improving the overall sealing effect of the equipment and preventing cutting waste and coolant from entering the tool seat during the cutting process and causing damage to the equipment;

[0016] 4. The transmission gear of the utility model is installed on the output main shaft or output secondary shaft through a key pin, making the equipment more stable during high-speed operation;

[0017] 5. The utility model improves the stability of the input shaft, the output main shaft and the output secondary shaft during rotation by arranging multiple sets of upper bearings and lower bearings, so as to meet the cutting requirements at higher speeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 It is a partial structural schematic diagram of the utility model;

[0021] Figure 4 It is an exploded view of the local structure of the utility model.

[0022] In the figure, 1, power seat; 11, input shaft hole; 2, input shaft; 21, upper connecting seat; 211, upper assembly groove; 22, transmission shaft; 23, lower connecting seat; 231, lower assembly groove; 3, tool seat; 31, output shaft hole; 311, main shaft hole; 312, secondary shaft hole; 321, output main shaft; 3211, upper assembly block; 3212, assembly hole; 322, output secondary shaft; 33, transmission gear; 34, cooling groove; 4, coolant nozzle; 5, sealing plate; 51, output hole; 52, sealing ring; 61, keyway; 62, key pin; 7, upper bearing; 8, lower bearing. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following is combined with the embodiments and attached Figures 1 to 4 , the technical solution of the utility model is further elaborated.

[0026] Example 1

[0027] A forward one-turn multi-cutting power head, comprising:

[0028] A power seat 1, wherein an input shaft hole 11 is provided through the middle of the power seat 1, an input shaft 2 is rotatably provided in the input shaft hole 11, the input shaft 2 comprises an upper connecting seat 21, a transmission shaft 22 and a lower connecting seat 23, an upper assembly groove 211 is provided at the upper end of the upper connecting seat 21, a lower assembly groove 231 is provided at the lower end of the lower connecting seat 23, the upper end of the transmission shaft 22 is fixedly connected to the lower end surface of the upper connecting seat 21, and the lower end of the transmission shaft 22 is fixedly connected to the upper end surface of the lower connecting seat 23;

[0029] The tool seat 3 has a plurality of output shaft holes 31 extending therethrough, the plurality of output shaft holes 31 comprising a main shaft hole 311 and a plurality of secondary shaft holes 312, the central axis of the main shaft hole 311 and the central axis of the input shaft hole 11 being colinearly arranged, an output main shaft 321 being rotatably arranged in the main shaft hole 311, an output secondary shaft 322 being rotatably arranged in the secondary shaft hole 312, an upper assembly block 3211 being arranged on the output main shaft 321, the upper assembly block 3211 being inserted into the lower assembly groove 231, transmission teeth 33 being fixedly arranged on the upper sides of the output main shaft 321 and the output secondary shaft 322, the transmission teeth 33 between the output main shaft 321 and the output secondary shaft 322 being meshed with each other, and an assembly hole 3212 for installing a tool is arranged at the lower end of each of the output main shaft 321 and the output secondary shaft 322.

[0030] like Figures 1 to 4 As shown, in actual use of the utility model, firstly, the upper assembly groove 211 above the input shaft 2 is connected with the transmission device, and the input shaft 2 is driven to rotate by the transmission device, and the input shaft 2 drives the output main shaft 321 arranged therewith to rotate, and at the same time, the output secondary shaft 322 is driven to rotate synchronously by the transmission teeth 33 on the output main shaft 321, and multiple tool chucks are driven to operate by one driving mechanism, the structure is simple and compact, and complex workpieces can be clamped and processed at one time, which greatly saves the occupied space.

[0031] The overall structure is simple, which facilitates quick replacement of cutting tools during use, and is also convenient for maintenance and replacement.

[0032] As a further preferred embodiment, the side wall of the tool seat 3 is provided with a plurality of cooling grooves 34, and a coolant nozzle 4 is rotatably provided in the cooling groove 34. The coolant nozzle 4 sprays coolant to cool the workpiece, thereby improving the machining accuracy of the tool on the workpiece.

[0033] As a further preferred embodiment, the lower end of the tool seat 3 is bolted to a sealing plate 5, and an output hole 51 is penetrated through the middle of the sealing plate 5. A sealing ring 52 is embedded in the output hole 51. The lower end of the tool seat 3 is sealed by the sealing plate 5 and the sealing ring 52 to improve the overall sealing effect of the equipment and prevent cutting waste and coolant from entering the tool seat 3 during the cutting process and causing damage to the equipment.

[0034] As a further preferred embodiment, a keyway 61 is provided at the upper end of the output main shaft 321 and the output secondary shaft 322, and a key pin 62 is embedded in the keyway 61. The transmission tooth 33 is fixedly connected to the output main shaft 321 or the output secondary shaft 322 through the key pin 62. The transmission tooth 33 is installed on the output main shaft 321 or the output secondary shaft 322 through the key pin 62, so that the equipment is more stable during high-speed operation.

[0035] As a further preferred embodiment, a plurality of sets of upper bearings 7 are sleeved on the transmission shaft 22 , and the outer rings of the plurality of sets of upper bearings 7 abut against the inner wall of the power seat 1 .

[0036] As a further preferred embodiment, the output main shaft 321 and the output secondary shaft 322 are both sleeved with multiple sets of lower bearings 8 , and the outer rings of the lower bearings 8 abut against the inner wall of the tool seat 3 .

[0037] In combination with the above technical solution, by providing multiple sets of upper bearings 7 and lower bearings 8, the stability of the input shaft 2, the output main shaft 321 and the output secondary shaft 322 during rotation is improved, so that it can meet the cutting requirements of higher speeds.

[0038] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A forward multi-cutting power head with one turn. It is characterized in that include: A power seat (1), wherein an input shaft hole (11) is provided through the middle of the power seat (1), an input shaft (2) is rotatably provided in the input shaft hole (11), the input shaft (2) comprises an upper connecting seat (21), a transmission shaft (22) and a lower connecting seat (23), an upper assembly groove (211) is provided at the upper end of the upper connecting seat (21), a lower assembly groove (231) is provided at the lower end of the lower connecting seat (23), the upper end of the transmission shaft (22) is fixedly connected to the lower end surface of the upper connecting seat (21), and the lower end of the transmission shaft (22) is fixedly connected to the upper end surface of the lower connecting seat (23); A tool seat (3), wherein a plurality of output shaft holes (31) are provided inside the tool seat (3), wherein the plurality of output shaft holes (31) include a main shaft hole (311) and a plurality of secondary shaft holes (312), wherein the central axis of the main shaft hole (311) and the central axis of the input shaft hole (11) are arranged colinearly, wherein an output main shaft (321) is rotatably provided in the main shaft hole (311), wherein an output secondary shaft (322) is rotatably provided in the secondary shaft hole (312), wherein the output main shaft ( An upper assembly block (3211) is arranged on the output main shaft (321), and the upper assembly block (3211) is inserted into the lower assembly groove (231). Transmission teeth (33) are fixedly arranged on the upper sides of the output main shaft (321) and the output secondary shaft (322). The transmission teeth (33) between the output main shaft (321) and the output secondary shaft (322) are meshed with each other. The lower ends of the output main shaft (321) and the output secondary shaft (322) are both provided with assembly holes (3212) for installing a tool.

2. A forward one-turn multi-cutting power head according to claim 1, It is characterized in that The side wall of the tool seat (3) is provided with a plurality of cooling grooves (34), and a coolant nozzle (4) is rotatably arranged in the cooling groove (34).

3. A forward one-turn multi-cutting power head according to claim 1, It is characterized in that The lower end of the tool seat (3) is bolted to a sealing plate (5), the middle of the sealing plate (5) is provided with an output hole (51) penetrating therethrough, and a sealing ring (52) is embedded in the output hole (51).

4. A forward one-turn multi-cutting power head according to claim 1, It is characterized in that A keyway (61) is provided at the upper end of the output main shaft (321) and the output secondary shaft (322), a key pin (62) is embedded in the keyway (61), and the transmission tooth (33) is fixedly connected to the output main shaft (321) or the output secondary shaft (322) via the key pin (62).

5. The forward one-turn multi-cutting power head according to claim 1, It is characterized in that The transmission shaft (22) is sleeved with a plurality of sets of upper bearings (7), and the outer rings of the plurality of sets of upper bearings (7) abut against the inner wall of the power seat (1).

6. A forward one-turn multi-cutting power head according to claim 1, It is characterized in that The output main shaft (321) and the output secondary shaft (322) are both sleeved with a plurality of sets of lower bearings (8), and the outer rings of the lower bearings (8) abut against the inner wall of the tool seat (3).

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