CN216576949U

CN216576949U - Vertical four-axis machining center of two main shafts

Info

Publication number: CN216576949U
Application number: CN202220008895.3U
Authority: CN
Inventors: 姜安奇
Original assignee: Shanghai Daqiao Yuyuan Precision Machinery Co ltd
Current assignee: Shanghai Daqiao Yuyuan Precision Machinery Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-05-24
Anticipated expiration: 2032-01-05

Abstract

A vertical four-axis machining center with double spindles comprises a base and an upright post, wherein two horizontal first guide rails are arranged on the upright post side by side, a first sliding seat and a second sliding seat are arranged on the two first guide rails in a sliding manner, and the first sliding seat and the second sliding seat can be close to or far away from each other under the driving of a first screw rod and a second screw rod respectively; the first sliding seat is connected with the first spindle box in a sliding mode through a second guide rail and a sliding block, the first spindle box can vertically move up and down under the driving of a third screw rod, the second sliding seat is connected with the second spindle box in a sliding mode through the third guide rail and the sliding block, and the second spindle box can vertically move up and down under the driving of a fourth screw rod; a set of fourth guide rail is horizontally installed on the base, a workbench is installed on the fourth guide rail in a sliding mode, and the workbench can move along the fourth guide rail under the driving of a fifth screw rod. The application provides a vertical four-axis machining center of two main shafts can realize the fine setting of two main shaft intervals and adjust on a large scale, can carry out four-axis direction processing simultaneously.

Description

Vertical four-axis machining center of two main shafts

Technical Field

The utility model relates to a machining center, concretely relates to vertical four-axis machining center of two main shafts.

Background

At present, in a double-spindle vertical machining center on the market, a workbench moves left and right along the X-axis direction, and a saddle below the workbench drives the workbench to move back and forth along the Y-axis direction. Wherein, the headstock of current two main shaft vertical machining center usually has two kinds: one type is an integrated spindle box, namely two spindles are simultaneously arranged on one spindle box; the other type is a split type spindle box, namely, two spindles are respectively arranged on two independent spindle boxes and can move up and down along the Z-axis simultaneously or respectively. This causes the following problems:

1. for the integrated spindle box, if the lengths of the cutters on the two spindles are different, the error of the machining size can be caused;

2. for the split spindle box, although the difference of the tool lengths on the two spindles can be compensated, if the distance between two workpieces to be machined is different from the distance between the two spindles, the two workpieces cannot be corrected, and the distance between the two workpieces can be as close as possible to the distance between the two spindles only by manually moving the clamp back and forth repeatedly, which is time-consuming, labor-consuming and troublesome;

3. although some models can finely adjust the distance between the two spindles, the distance is only finely adjusted within a small range, and if the workpiece shape and size, a special fixture, a fourth axis turntable and other reasons require the large-range adjustment of the distance between the spindles, the adjustment cannot be realized.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the above-mentioned prior art, this application provides a vertical four-axis machining center of two main shafts, can realize the fine setting of two main shaft intervals and adjust on a large scale, can carry out four-axis direction processing simultaneously.

In order to realize the technical effect, the utility model discloses a concrete technical scheme as follows:

a double-spindle vertical four-axis machining center comprises a base and an upright post, wherein the upright post is vertically arranged on one side of the base, two horizontal first guide rails are arranged on the upright post side by side, a first sliding seat and a second sliding seat are slidably mounted on the two first guide rails, and the first sliding seat and the second sliding seat can be close to or far away from each other under the driving of a first screw rod and a second screw rod respectively; the first sliding seat is connected with the first spindle box in a sliding mode through a second guide rail and a sliding block, the first spindle box can vertically move up and down under the driving of a third screw rod, the second sliding seat is connected with the second spindle box in a sliding mode through the third guide rail and the sliding block, and the second spindle box can vertically move up and down under the driving of a fourth screw rod; the first spindle box and the second spindle box are respectively and correspondingly provided with a first vertical spindle and a second vertical spindle; a group of fourth guide rails is horizontally arranged on the base, a workbench is slidably arranged on the fourth guide rails, and the workbench can move along the fourth guide rails under the driving of a fifth screw rod; at least one bridge plate is arranged on the workbench through the rotary table and the disc tailstock.

Furthermore, the turntable is a double-disc turntable and is arranged in the center of the workbench, and a bridge plate is respectively arranged between the double-disc turntable and the disc tailstocks on the two sides.

Furthermore, the turntable is a single-disc turntable and is arranged on one side of the workbench, and a bridge plate is arranged between the single-disc turntable and the disc tailstock on the other side.

Further, the first guide rail and the fourth guide rail are perpendicular to each other.

The working principle of a double-spindle vertical four-axis machining center is as follows:

be used for fixed work piece on the bridge plate, the workstation area work piece is followed the fourth guide rail back-and-forth movement, first lead screw drive first slide area takes first headstock to remove along first guide rail, second lead screw drive second slide area takes second headstock to remove along first guide rail, first headstock takes first vertical main shaft to vertically reciprocate under the drive of third lead screw, second headstock takes second vertical main shaft to vertically reciprocate under the drive of fourth lead screw, the cutter rotation is pressed from both sides to above-mentioned two main shafts, simultaneously respectively to two work pieces cutting process. After one surface of the workpiece is processed, the rotary table drives the bridge plate to rotate for an angle to turn the other surface of the workpiece to be processed upwards, and the double main shafts process the workpiece simultaneously until the processing of the surfaces to be processed in the process is finished.

If the distance between the two workpieces and the distance between the two spindles are different, the first slide seat can be driven by the first screw rod to move for adjustment, or the second slide seat is driven by the second screw rod to move for adjustment. Through the process, the distance between the two spindles can be adjusted conveniently by moving the position of the first sliding seat or the second sliding seat, so that the distance between the workpieces can be adapted, and both large-range adjustment and fine adjustment required in the aspect of precision can be realized easily.

Similarly, when the lengths of the two tools have errors or the placing heights of the workpieces have errors, in order to ensure the machining accuracy of the workpieces at the same time, the first spindle box can be driven by the third screw rod to move up and down to be adjusted, the second spindle box can be driven by the fourth screw rod to move up and down to be adjusted, the length errors of the two tools can be corrected, and the same cutting size can be obtained finally. The double main shafts simultaneously process the workpieces placed on the bridge plate, and finally, the processing efficiency is doubled, and the processing precision of the workpieces can be guaranteed.

In addition, if the workpiece processing content needs a plurality of cutters, two cutter storehouses can be arranged, and automatic cutter changing is respectively carried out on the two main shafts.

According to the technical scheme, compared with the prior art, the utility model, its positive effect that can produce is:

1. the double main shafts are processed simultaneously, so that the efficiency is doubled;

2. the two main spindle boxes are independent respectively, so that the difference of the lengths of the two main spindle cutters can be compensated;

3. the utility model can correct the error between the distance between the two main shafts and the distance between the two workpieces by translating any one of the main shaft boxes, thereby bringing great convenience to the precision adjustment of workpieces with different stations;

4. the utility model can adjust the distance between the two main shafts in a large range, can adapt to workpieces with different shapes and sizes and clamps with different forms, can adjust the distance between the two main shafts in the axial stroke range as required, and greatly improves the application range and the use convenience;

5. the utility model discloses the lathe area of founding is little, and the area of one can reach the processing effect of two, can save nearly half factory building area for the user.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

FIG. 1 is an overall view of the present invention;

fig. 2 is another overall schematic view of the present invention;

wherein, 1, a base; 2. a column; 3. a first guide rail; 4. a first slider; 5. a second slide carriage; 6. a first lead screw; 7. a second lead screw; 8. a first main spindle box; 9. a second guide rail and a slide block; 10. a third screw rod; 11. a second main spindle box; 12. a third guide rail and a slide block; 13. a fourth screw rod; 14. a first vertical main shaft; 15. a second vertical spindle; 16. a fourth guide rail; 17. a work table; 18. a fifth screw rod; 19. a double-disc turntable; 20. a disc tailstock; 21. and a bridge plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present embodiments more clear, the technical solutions in the present embodiments will be described clearly and completely below with reference to the accompanying drawings in the present embodiments, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, a vertical four-axis machining center with two spindles comprises a base 1 and an upright post 2, wherein the upright post is erected on one side of the base, two horizontal first guide rails 3 are arranged on the upright post 2 side by side, a first sliding seat 4 and a second sliding seat 5 are slidably mounted on the two first guide rails, and the first sliding seat and the second sliding seat can be close to or far away from each other under the driving of a first screw rod 6 and a second screw rod 7 respectively; the first sliding seat 4 is in sliding connection with the first spindle box 8 through a second guide rail and a sliding block 9, the first spindle box 8 can vertically move up and down under the driving of a third screw rod 10, the second sliding seat 5 is in sliding connection with the second spindle box 11 through a third guide rail and a sliding block 12, and the second spindle box 11 can vertically move up and down under the driving of a fourth screw rod 13; a first vertical main shaft 14 and a second vertical main shaft 15 are correspondingly arranged on the first spindle box 8 and the second spindle box 11 respectively; a group of fourth guide rails 16 are horizontally arranged on the base, a workbench 17 is slidably arranged on the fourth guide rails, and the workbench can move along the fourth guide rails under the driving of a fifth screw rod 18; a double-disc-surface rotary table 19 is arranged in the center of the workbench 17, and a bridge plate 21 is respectively arranged between the double-disc-surface rotary table and the disc tailstocks 20 at two sides.

The first guide rail and the fourth guide rail are perpendicular to each other.

The working principle of the utility model is as follows:

two workpieces are placed on each bridge plate, the workbench drives the workpieces to move back and forth along a fourth guide rail, the first lead screw drives the first sliding seat to drive the first spindle box to move left and right along the first guide rail, the second lead screw drives the second sliding seat to drive the second spindle box to move left and right along the first guide rail, the first spindle box drives the first vertical spindle to vertically move up and down under the driving of the third lead screw, the second spindle box drives the second vertical spindle to vertically move up and down under the driving of the fourth lead screw, the two spindles clamp the cutter to rotate, and simultaneously, the two workpieces are cut and processed respectively. After one surface of the workpiece is processed, the rotary table drives the bridge plate to rotate by an angle to turn the other surface of the workpiece to be processed upwards, and the double main shafts process the workpiece simultaneously until the surfaces to be processed in the process are processed.

If the distance between the two workpieces and the distance between the two spindles are different, the first slide seat can be driven by the first screw rod to move for adjustment, or the second slide seat is driven by the second screw rod to move for adjustment.

Similarly, when the lengths of the two tools have errors or the placing heights of the workpieces have errors, in order to ensure the machining accuracy of the workpieces at the same time, the first spindle box can be driven by the third screw rod to move up and down to be adjusted, the second spindle box can be driven by the fourth screw rod to move up and down to be adjusted, the length errors of the two tools can be corrected, and the same cutting size can be obtained finally.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. A double-spindle vertical four-axis machining center is characterized by comprising a base and an upright post, wherein the upright post is vertically arranged on one side of the base, two horizontal first guide rails are arranged on the upright post side by side, a first sliding seat and a second sliding seat are slidably arranged on the two first guide rails, and the first sliding seat and the second sliding seat can be close to or far away from each other under the driving of a first screw rod and a second screw rod respectively; the first sliding seat is connected with the first spindle box in a sliding mode through a second guide rail and a sliding block, the first spindle box can vertically move up and down under the driving of a third screw rod, the second sliding seat is connected with the second spindle box in a sliding mode through the third guide rail and the sliding block, and the second spindle box can vertically move up and down under the driving of a fourth screw rod; the first spindle box and the second spindle box are respectively and correspondingly provided with a first vertical spindle and a second vertical spindle; a group of fourth guide rails is horizontally arranged on the base, a workbench is slidably arranged on the fourth guide rails, and the workbench can move along the fourth guide rails under the driving of a fifth screw rod; at least one bridge plate is arranged on the workbench through the rotary table and the disc tailstock.

2. The dual spindle vertical four-axis machining center of claim 1, wherein the turntable is a dual face turntable mounted at the center of the table, and a bridge plate is disposed between the dual face turntable and the disk tailstocks at both sides of the dual face turntable.

3. The dual spindle vertical four axis machining center of claim 1, wherein the turntable is a single face turntable mounted on one side of the table, and a bridge plate is provided between the single face turntable and the disk tailstock on the other side.

4. The vertical four-axis machining center with two spindles according to claim 1, wherein the first guide rail and the fourth guide rail are perpendicular to each other.