CN212551747U - Double-spindle machining system suitable for machining two ends of shaft parts - Google Patents

Abstract

The utility model discloses a two main shaft system of processing suitable for processing at axle type part both ends, including two main shaft lathes, two main shaft lathes are including being relative first main shaft and the second main shaft that sets up, two main shaft lathes still include 2 blade discs, 2 blade discs respectively with first main shaft and second main shaft cooperation, the lateral wall of blade disc all is provided with a plurality of processing cutters in radial and axial, coaxial adapter with it is installed to the tip of first main shaft, the tip of adapter install with bar-shaped raw materials complex spring clamp, coaxial hydraulic chuck with it is installed to the tip of second main shaft, hydraulic chuck is used for centre gripping axle type part, be provided with the cutting tool board on the lateral wall on the blade disc, the cutting tool board is perpendicular with the axial of blade disc, the tip of cutting tool board is provided with the cutting knife. The utility model provides a cost that axle type part current processing mode leads to higher, efficiency low on the contrary, the big problem of quality risk.

Description

Double-spindle machining system suitable for machining two ends of shaft parts

Technical Field

The utility model relates to an axle type parts machining technical field, concretely relates to two main shaft system of processing suitable for processing at axle type part both ends.

Background

Shaft parts (such as valve covers) needing to be machined at two ends need to be machined and formed inside and outside by using turning center equipment, and the inner appearance of a large end face needs to be machined by turning and finish machining. The existing processing technology mainly uses two devices for processing, a turning center and a common numerical control lathe are used for processing a small end and a large end respectively, the inner appearance and the outer circle of the small end are processed by the turning center, the coaxiality with the outer circle is controlled to be less than 0.02, the depth of an internal thread is more than 9.5mm in the processing process, and a bottom hole is processed by a threading tool; and then finish turning the inner appearance of the big end by a numerical control lathe, and clamping the shaft parts by copper claws adopted when the big end is machined by the numerical control lathe.

The existing processing mode mainly has the following defects:

1) the two devices are adopted for processing, the shaft parts need to be manually clamped twice, a large amount of manual interference and auxiliary time are wasted, the manual clamping precision is low, the error is large, and the two devices are adopted for processing, so that the cost is high, the efficiency is low and the quality risk exists.

2) The turning center adopts threading tool processing, leads to the processing to twine iron fillings easily, blocks up in the hole, and difficult the discharge need be according to suspending to hook out iron fillings, and the process is loaded down with trivial details and threading tool life processes 50 and just needs to follow the trade, and cuts off the work piece and drop easily and gouge.

3) The copper claw is worn in the machining process, the coaxiality of clamping a product needs to be marked once by using a meter when several pieces are machined, and a large amount of auxiliary time is wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two main shaft system of processing suitable for axle type part both ends processing, the cost that the current processing mode of solving axle type part leads to is higher, efficiency is on the low side, quality risk big problem.

The utility model discloses a following technical scheme realizes:

two main shaft system of processing suitable for axle type part both ends processing, including two main shaft lathes, two main shaft lathes are including being relative first main shaft and the second main shaft that sets up, two main shaft lathes still include 2 blade discs, 2 blade discs respectively with first main shaft and second main shaft cooperation, the lateral wall of blade disc all is provided with a plurality of processing cutters in radial and axial, coaxial adapter with it is installed to the tip of first main shaft, the tip of adapter install with bar-shaped raw materials complex spring clamp, coaxial hydraulic chuck with it is installed to the tip of second main shaft, hydraulic chuck is used for centre gripping axle type part, be provided with the cutting tool board on the lateral wall on the blade disc, the cutting tool board is perpendicular with the axial of blade disc, the tip of cutting tool board is provided with the cutting knife.

The cutter disc, the first main shaft and the second main shaft of the utility model can rotate, the cutter disc can move up and down, the first main shaft and the second main shaft can move in the horizontal direction, the spring clamp is an existing clamping piece, and a processing cutter arranged on the radial direction of the side wall of the cutter disc is used for processing the outer wall of the shaft part; the processing cutter arranged on the axial direction of the side wall of the cutter head is used for processing the inner wall of the shaft part.

The working principle of the utility model is as follows:

manually clamping a rod-shaped raw material by a spring clamp, switching a machining tool on a cutter disc matched with a first main shaft to machine the small end inside and outside of the shaft part for forming, after the small end is machined, driving a second main shaft to move towards the direction of the first main shaft by a double-main-shaft lathe to enable a hydraulic chuck to clamp the small end of the shaft part, then cutting off the rod-shaped raw material by a cutting knife, aligning the excircle of the large end by a dial gauge after butt joint and cutting off, effectively ensuring the coaxiality to be within 0.01, driving the second main shaft to move back to the direction of the first main shaft by the double-main-shaft lathe, and then switching the machining tool on the cutter disc matched with the second main shaft to machine the large end inside and outside of the shaft part for.

The utility model adopts the butt joint processing of the double main shafts (the first main shaft and the second main shaft), only one manual clamping is needed, the processing of two procedures of the small end and the big end of the shaft part can be completed, the manpower, the material resources and a large amount of auxiliary time required by the turning processing are saved, only one device is needed, the clamping precision of the butt joint processing of the double main shafts is high, and the error of manual twice clamping is avoided; the problems of high cost, low efficiency and high quality risk caused by the existing processing mode of shaft parts are solved.

And simultaneously, the utility model discloses a spring clamp and hydraulic chuck, jack catch wearing and tearing are minimum in the course of working, and the spring clamp with low costs, have avoided the copper claw clamping to have wearing and tearing in the course of working, and several processing just need take the axiality of product clamping with the table, extravagant a large amount of assistance time's problem.

Further, the machining tool is a thread milling cutter.

The utility model discloses change threading tool processing for the internal thread into the thread milling: 1) the chip winding problem in the internal thread machining process is solved, and the machining stability is improved; 2) the durability of the cutter is improved, the service life of the cutter machined by the thread milling cutter can reach 800, which is 16 times of that of a threading tool, and the cutter cost is saved.

Further, the hydraulic chuck adopts two-jaw hydraulic chuck, and two-jaw hydraulic chuck includes 2 jack catchs that the symmetry set up.

The utility model discloses adopt two claw hydraulic chuck butt joint clamping processing main aspects inside and outside shape after the improvement, two claw wearing and tearing are minimum in the course of working, and the axiality is less than or equal to 0.01 after the butt joint moreover, practices thrift a large amount of assistance-time.

Furthermore, the inner wall of the clamping jaw is provided with a clamping groove matched with the end part of the excircle of the shaft part, and the openings of the 2 clamping grooves are arranged oppositely.

The stability that the jack catch presss from both sides tight axle type part can be improved in the setting of draw-in groove.

Further, the depth of the clamping groove is consistent with the width of the end part of the outer circle.

The width of the outer circle end part specifically refers to the length of the outer circle end part protruding out of the middle body of the shaft part in the radial direction.

Further, the adapter adopts a 16C adapter.

Further, the cutting knife is detachably arranged at the end part of the cutting knife plate.

Further, a cutter holder is detachably mounted on the cutter head, and the cutting knife plate and the machining cutter are both detachably mounted on the cutter holder.

Further, the tool apron is provided with a plurality of different mounting holes.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model adopts the butt joint processing of the double main shafts (the first main shaft and the second main shaft), only one manual clamping is needed, the processing of two procedures of the small end and the big end of the shaft part can be completed, the manpower, the material resources and a large amount of auxiliary time required by the turning processing are saved, only one device is needed, the clamping precision of the butt joint processing of the double main shafts is high, and the error of manual twice clamping is avoided; the problems of high cost, low efficiency and high quality risk caused by the existing processing mode of shaft parts are solved.

2. The utility model discloses reduced artifical clamping number of times and shortened the assistance-time, realized the unit automated production of axle type part processing on two main shafts, not only improved product production efficiency, improved equipment utilization moreover.

3. The utility model changes the threading tool processing for the internal thread into thread milling, thereby not only solving the chip winding problem in the internal thread processing process, but also improving the processing stability; meanwhile, the durability of the cutter is improved.

4. The utility model discloses a spring clamp and hydraulic chuck, jack catch wearing and tearing are minimum in the course of working, and the spring clamp with low costs, have avoided the copper claw clamping to have wearing and tearing in the course of working, and several processing just need take the axiality of product clamping with the table, extravagant a large amount of assistance time's problem.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic diagram of a dual spindle machining system;

FIG. 2 is a schematic view of a double spindle butt cut shaft part;

FIG. 3 is a schematic diagram of a hydraulic chuck;

fig. 4 is a schematic view of a machined shaft part.

Reference numbers and corresponding part names in the drawings:

1-a first main shaft, 2-an adapter, 3-a spring clamp, 4-a processing cutter, 5-a cutter head, 6-a clamping jaw, 7-a hydraulic chuck, 8-a second main shaft, 9-a clamping groove, 10-a cutting knife board and 11-an axial part.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1:

as shown in fig. 1-4, a double-spindle machining system suitable for machining two ends of a shaft part includes a double-spindle lathe, the double-spindle lathe includes a first spindle 1 and a second spindle 8 which are oppositely disposed, the double-spindle lathe further includes 2 cutter discs 5, 2 cutter discs 5 are respectively matched with the first spindle 1 and the second spindle 8, a plurality of machining tools 4 are disposed on the side wall of the cutter disc 5 in the radial direction and the axial direction, the machining tools 4 adopt thread milling cutters, an adapter 2 coaxial with the first spindle 1 is mounted on the end portion of the first spindle 1, a spring clamp 3 matched with a rod-shaped raw material is mounted on the end portion of the adapter 2, a hydraulic chuck 7 coaxial with the second spindle 8 is mounted on the end portion of the second spindle 8, the hydraulic chuck 7 adopts a two-jaw hydraulic chuck, the two-jaw hydraulic chuck includes 2 symmetrically disposed clamping jaws 6, the hydraulic chuck 7 is used for clamping the shaft part 11, a cutting knife plate 10 is arranged on the side wall of the cutter head 5, the cutting knife plate 10 is perpendicular to the axial direction of the cutter head 5, and a cutting knife is arranged at the end part of the cutting knife plate 10; the adapter 2 is a 16C adapter.

The working principle of the embodiment is as follows:

the spring clamp 3 is adopted to clamp a rod-shaped raw material, the machining tool 4 on the cutter disc 4 matched with the first main shaft 1 is switched to machine the small end inside and outside of the shaft part 11 for forming, after the small end is machined, the double-main-shaft lathe drives the second main shaft 8 to move towards the first main shaft 1, so that the hydraulic chuck 7 clamps the small end of the shaft part 11, then the cutter is adopted to cut off the rod-shaped raw material, after butt joint and cutting off, a dial gauge is used for aligning the excircle of the large end, the coaxiality is effectively ensured to be within 0.01, the double-main-shaft lathe drives the second main shaft 8 to move back to the first main shaft 1, then the machining tool 4 on the cutter disc 5 matched with the second main shaft 8 is switched to machine the large end inside and outside of the shaft part 11, and.

The effect of the machining system according to the present embodiment and the conventional machining method is shown in table 1:

TABLE 1

Promoting content	Before optimization	After optimization
			Cost of manpower	17 min/piece	10min per piece
Cost of working hours	126 min/piece	126 min/piece
			Cost of the tool	Internal thread lathe tool capable of processing 50 products	Thread milling cutter tool capable of processing 800 products
Cost of equipment	Two devices for finishing	One equipment finishes processing
			Mass lifting	Effectively ensures that the coaxiality of the parts is less than or equal to 0.02mm	Effectively ensures that the coaxiality of the parts is less than or equal to 0.01mm

Example 2:

as shown in fig. 1 to 4, in this embodiment, based on embodiment 1, a clamping groove 9 matched with an end portion of an outer circle of a shaft part 11 is arranged on an inner wall of the clamping jaw 6; the depth of the clamping groove 9 is consistent with the width of the end part of the excircle.

Example 3:

as shown in fig. 1 to 4, the present embodiment is based on embodiment 1, the cutting knife is mounted on the end of the cutting knife plate 10 by bolts; the cutter head 5 is provided with a cutter seat through a bolt, and the cutting knife plate 10 and the processing cutter 4 are both arranged on the cutter seat through bolts; the tool holder is provided with a plurality of different mounting holes for mounting different machining tools 4.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. Two main shaft system of processing suitable for axle type part both ends processing, including two main shaft lathes, two main shaft lathes are including being relative first main shaft (1) and second main shaft (8) that set up, two main shaft lathes still include 2 blade discs (5), 2 blade discs (5) cooperate with first main shaft (1) and second main shaft (8) respectively, the lateral wall of blade disc (5) all is provided with a plurality of processing cutter (4) in radial and axial, its characterized in that, adapter (2) coaxial with it is installed to the tip of first main shaft (1), spring clamp (3) with bar-shaped raw materials complex is installed to the tip of adapter (2), coaxial hydraulic chuck (7) with it is installed to the tip of second main shaft (8), hydraulic chuck (7) are used for centre gripping axle type part (11), be provided with cutting tool apron (10) on the lateral wall on blade disc (5), the cutting knife plate (10) is perpendicular to the axial direction of the cutter head (5), and a cutting knife is arranged at the end part of the cutting knife plate (10).

2. The double-spindle machining system for machining two ends of shaft parts according to claim 1, characterized in that the machining tool (4) is a thread milling cutter.

3. The double-spindle machining system suitable for machining two ends of shaft parts is characterized in that the hydraulic chuck (7) is a two-jaw hydraulic chuck which comprises 2 symmetrically-arranged clamping jaws (6).

4. The double-spindle machining system suitable for machining two ends of a shaft part is characterized in that clamping grooves (9) matched with the end portions of the outer circles of the shaft part (11) are formed in the inner walls of the clamping jaws (6).

5. The double-spindle machining system suitable for machining two ends of shaft parts is characterized in that the depth of the clamping groove (9) is consistent with the width of the end part of the outer circle.

6. The double-spindle machining system suitable for machining two ends of shaft parts according to claim 1, characterized in that the adapter (2) is a 16C adapter.

7. The double-spindle machining system suitable for machining two ends of shaft parts is characterized in that the cutting knife is detachably mounted at the end of the cutting knife plate (10).

8. The double-spindle machining system suitable for machining two ends of a shaft part according to claim 1, wherein a tool apron is detachably mounted on the tool disc (5), and the cutting tool plate (10) and the machining tool (4) are both detachably mounted on the tool apron.

9. The dual spindle machining system for machining both ends of a shaft-like part as claimed in claim 8, wherein said tool holder is provided with a plurality of different mounting holes.

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