CN205200557U - Multi-spindle CNC lathe - Google Patents

Abstract

The utility model relates to a many principal axis CNC lathe, including a bed, provide a main shaft unit who has the main shaft seat more than two at least on this bed to and be equipped with a cutter unit of at least two sets of cutter seats corresponding to the same side of each this main shaft seat of this main shaft unit, respectively can press from both sides by each this main shaft seat system and establish a work piece, make this cutter unit can carry out the processing operation to the work piece more than two at least simultaneously, with the number of times that reduces the change work piece, in order to improve production efficiency.

Description

Multi-spindle CNC lathe

technical field

The utility model relates to the turning structure of a CNC lathe, in particular to a multi-spindle CNC lathe.

Background technique

As shown in Figure 1, a general conventional lathe or CNC lathe mainly includes a spindle seat 2 arranged at one end of its bed 1, and a guide rail (not shown) at the opposite end of the spindle seat 2. A tailstock 3 that can be slid and displaced longitudinally is set, and a turret 4 is set on one side parallel to the center line of the guide rail; generally, a chuck 5 is installed on the end of the main shaft seat 2, and the chuck 5 is used for a working The object (not shown in the figure) clamps the turning person, and the tailstock 3 can be pushed against the tail end of the work object to prevent the swing of the work object during turning, so as to improve the accuracy of the work object turning, wherein the turret 4 is It can be used as a vertical and horizontal feeder; therefore, it can be easily understood that the lathes widely used at present are single-turret, single-spindle mode, and it is predictable that when the workpiece is to be turned for more than two times, or When turning two workpieces at the same time, whether it is a traditional or CNC lathe, it is necessary to waste the time of replacement when performing different turning jobs, and the accuracy needs to be calibrated every time it is replaced to ensure the accuracy of turning , so the overall production efficiency cannot be improved.

Therefore, how to reduce the number of times for CNC lathes to replace work objects to improve production efficiency is the primary research and development subject of the present utility model.

Contents of the invention

The utility model is a multi-spindle CNC lathe, the main purpose of which is to provide a spindle unit with at least two or more spindle seats on a bed, and the same side of each spindle seat corresponding to the spindle unit is provided with A tool unit of at least two groups of tool seats can hold a work object by each of the spindle seats, so that the tool unit can process at least two or more work objects at the same time, so as to reduce the number of times of replacing the work objects , to increase production efficiency.

The utility model is a multi-spindle CNC lathe, and its secondary purpose is to provide a tailstock unit corresponding to the chucks of each spindle seat on a bed, and the tailstock unit is provided with at least two supporting parts. , the supporting portion can be pushed against the tail end of the workpiece, preventing the workpiece T from swinging during processing.

In order to achieve the aforementioned purpose, the utility model is a multi-spindle CNC lathe, comprising: a bed, a spindle unit, a power unit, and a tool unit, wherein: the spindle unit is fixed on one side of the bed , and the main shaft unit has at least two main shaft seats, and each of the main shaft seats is provided with a collet and a transmission shaft that can move together on both sides; the power unit has a fixed seat, a power source and A transmission unit, the fixed seat is extended and fixed on the outer side of the bed, the power source has a power shaft part and is arranged above the fixed seat, and the transmission unit is respectively connected to the power shaft part and the power shaft part of the power source On the transmission shafts of each of the spindle bases, the power source is used to drive the power shafts to rotate, so as to drive the transmission unit connected to the power shafts, and then drive the transmission shafts of the spindle bases to move synchronously; and The bed is provided with a first guide rail, and the bottom of the cutter unit is provided with a first guide groove which is mutually pivoted with the first guide rail, and the cutter unit is provided corresponding to the same side of each spindle base of the spindle unit. There are at least two groups of tool seats, and the tool unit can be laterally displaced on the bed through the first guide groove and the first guide rail, so that each of the tool seats can move to a position convenient for processing with each of the spindle seats.

Preferably, the multi-spindle CNC lathe further includes a tailstock unit, and the bed is provided with a second guide groove, and the bottom of the tailstock unit is provided with a second guide rail pivoted with the second guide groove, By means of the second guide slot and the second guide rail, the tailstock unit is laterally displaced on the bed platform.

Preferably, the tailstock unit is provided with at least two holding parts corresponding to the chucks of each spindle seat, and the holding parts can be held against the tail end of the workpiece.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings used in the utility model will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model, which are common to those skilled in the art. As far as the skilled person is concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a three-dimensional schematic diagram of the known technology.

Fig. 2 is a three-dimensional schematic diagram of the utility model.

Fig. 3 is a three-dimensional schematic diagram of another viewing angle of the utility model.

Fig. 4 is a schematic diagram showing the action of the cutter unit of the present invention.

Fig. 5 is a partially enlarged view of the utility model showing the adjustment of the distance between the upper tool seat and the lower tool seat.

Fig. 6 is a schematic diagram showing the operation of the tailstock unit of the present invention.

Explanation of reference signs

Bed 1 Spindle seat 2

Tailstock 3 Turret 4

Chuck 5 Bed 10

First guide rail 11 Second guide groove 12

Spindle unit 20 spindle seat 21, 22

Chuck 210, 220 transmission shaft part 211, 221

Power unit 30 fixing seat 31

Power source 32 Power shaft part 320

Transmission unit 33 Tool unit 40

First guide groove 41 tool seat 42

Upper Tool Holder 420 Lower Tool Holder 421

Guide slider 4200, 4210 guide chute 43

Tailstock unit 50 second guide rail 51

Top holder 52 working object T

Tool T1

detailed description

The technical solution in the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

First, as shown in Figures 2-6, the embodiment of the present invention is a multi-spindle CNC lathe, including: a bed 10, a spindle unit 20, a power unit 30, and a tool unit 40, wherein:

The bed 10 is provided with a first guide rail 11 and a second guide groove 12, and one side of the bed 10 is fixed with the spindle unit 20, and the spindle unit 20 has at least two spindle seats 21 . A working object T can be installed respectively;

The power unit 30 has a fixed seat 31, a power source 32 (which can be a motor) and a transmission unit 33 (which can be a transmission belt), and the fixed seat 31 is extended and fixed on the outer side of the bed 10 , the power source 32 has a power shaft portion 320 and is arranged above the fixed base 31 , the transmission unit 33 is respectively connected to the power shaft portion 320 of the power source 32 and the transmission shaft portion 211 of each of the main shaft seats 21 and 22 , 221, use the power source 32 to drive the power shaft 320 to rotate, so that the transmission unit 33 connected to the power shaft 320 is transmitted, and then drives the transmission shafts 211, 221 of the main shaft seats 21, 22 to synchronize action; and

The bottom of the tool unit 40 is provided with a first guide groove 41 (as shown in FIG. 3 ) which is mutually pivoted with the first guide rail 11, and the tool unit 40 corresponds to each of the spindle seats 21, 22 of the spindle unit 20. At least two sets of tool holders 42 are provided on the same side, and each set of tool holders 42 includes an upper tool holder 420 and a lower tool holder 421, the upper tool holder 420 and the lower tool holder 421 are equipped with a tool T1, And the upper tool holder 420 and the lower tool holder 421 are all provided with a guide slider 4200, 4210, and the wall surface of the tool unit 40 is provided with a guide slide groove 43 for the guide slider 4200, 4210 to pivot. The guide slide blocks 4200, 4210 and the guide slide groove 43 can adjust the distance between the upper tool seat 420 and the lower tool seat 421, and the tool unit 40 can be obtained by the first guide groove 41 and the first guide rail 11. Do lateral displacement (as shown in Figure 4) on this bed platform 10, make each said cutter seat 42 move to the position that is convenient to process with each said spindle seat 21,22, and by adjusting this upper tool seat 420 and this lower The distance between the cutters T1 of the tool holder 421 is added to the work T of the chuck 210, 220 (as shown in Figure 5); and

The bottom of the tailstock unit 50 is provided with a second guide rail 51 which is mutually pivoted with the second guide groove 12 of the platform 10, and the tailstock unit 50 can be obtained by the second guide groove 12 and the second guide rail 51. Transverse displacement is performed on the bed 10 (as shown in FIG. 6 ), and the tailstock unit 50 is provided with at least two supporting parts 52 corresponding to the positions of the chucks 210, 220 of the spindle bases 21, 22. By The supporting portion 52 can be pushed against the tail end of the workpiece T to prevent the workpiece T from swinging during processing.

Accordingly, its main technical means of the multi-spindle CNC lathe of the present invention are:

The bed 10 is respectively provided with a spindle unit 20 having at least two or more spindle seats 21, 22, and at least two sets of tool seats 42 are provided on the same side of each of the spindle seats 21, 22 of the spindle unit 20. The unit 40 is driven by the power source 32 of the power unit 30 to rotate the power shaft part 320, so that the transmission unit 33 connected to the power shaft part 320 is transmitted, and then drives the transmission shaft parts of the main shaft seats 21, 22 211, 221 act synchronously to clamp the workpiece T, and each tool seat 42 of the tool unit 40 is laterally displaced to each of the spindle seats 21, 22 to facilitate processing, and adjust the distance between the tool T1 of the upper tool seat 420 and the lower tool seat 421, and use the tool T1 to process the two work objects T of the chuck 210, 220 at the same time, so as to achieve Reduce the number of times to replace work objects to improve production efficiency and effectiveness.

Furthermore, it is worth mentioning that the other side of the bed 10 relative to the spindle unit 20 is provided with the tailstock unit 50 corresponding to each of the spindle seats 21, 22, and the tailstock unit 50 is provided with at least The two supporting parts 50 can be supported against the tail end of the workpiece T by the supporting parts 50 to prevent the workpiece T from swinging during processing.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present utility model shall include Within the protection scope of the utility model.

Claims (8)

1. the CNC of main shaft a more than lathe, includes a table, a main axle unit, a power unit, a knife unit, it is characterized in that:

This main axle unit is fixedly arranged on the side in this table, and this main axle unit has at least plural spindle drum, and respectively this spindle drum is provided with a chuck and a power transmission shaft portion that can mutually move together in both sides;

This power unit has a holder, a power source and a gear unit, this holder extends to be fixedly arranged on this table outer side edges, this power source has a line shaft portion and is arranged at above this holder, this gear unit is the line shaft portion that is connected to this power source with in the power transmission shaft portion of each this spindle drum, this power source of mat drives this line shaft portion to rotate, make to be connected to the gear unit transmission in this line shaft portion, and then drive the synchronous start in power transmission shaft portion of this each this spindle drum; And

This table is provided with one first guide rail, and bottom this knife unit, be provided with one first guide groove be mutually pivoted with this first guide rail, and the same side of respectively this spindle drum that this knife unit corresponds to this main axle unit is provided with at least two group base of tools, make this knife unit must do lateral displacement in this table by this first guide groove and this first guide rail, respectively this base of tool is moved to be convenient to each this spindle drum the position processed.

2. many main shafts CNC lathe as claimed in claim 1, it is characterized in that, comprise a tailstock unit, and this table is provided with one second guide groove, and this tailstock unit bottom is provided with the second guide rail be mutually pivoted with this second guide groove, this tailstock unit is made to do lateral displacement in table by this second guide groove and this second guide rail.

3. many main shafts CNC lathe as claimed in claim 2, is characterized in that, this tailstock unit is provided with at least two withstanding parts with the chuck opposite position of this spindle drum.

4. many main shafts CNC lathe as claimed in claim 1, it is characterized in that, respectively this group base of tool comprises fix a cutting tool seat and the once base of tool, this fix a cutting tool seat and this bottom tool seat are all provided with a slider guide, and the wall of this knife unit is provided with a guide runner, this slider guide of mat and this spacing of fixing a cutting tool between seat and this bottom tool seat of this guide runner adjustable of being pivoted for this slider guide.

5. many main shafts CNC lathe as claimed in claim 4, is characterized in that, this fix a cutting tool seat and this bottom tool seat install a cutter.

6. many main shafts CNC lathe as claimed in claim 1, is characterized in that, respectively the chuck of this spindle drum can sandwiched one working substance.

7. many main shafts CNC lathe as claimed in claim 1, is characterized in that, the power source of this power unit can be a motor.

8. many main shafts CNC lathe as claimed in claim 1, is characterized in that, the gear unit of this power unit can be a driving belt.