CN211680953U

CN211680953U - Headstock structure with five-side processing

Info

Publication number: CN211680953U
Application number: CN201922336253.7U
Authority: CN
Inventors: 陈仁杰
Original assignee: Wenzhou Jiangnan Fine Machine Co ltd
Current assignee: Wenzhou Jiangnan Fine Machine Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-16
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a headstock structure with five-sided processing, including headstock and a plurality of main shafts of setting on the headstock, a plurality of main shafts include a central main shaft and four side main shafts, the central main shaft sets up on the bottom surface of headstock, and the outer end stretches out the headstock, is equipped with directly links the unclamping cylinder, and the inner is connected with the central main shaft motor in the headstock through the shaft coupling; four side main shafts are respectively arranged on four sides of the lower end of the main shaft box, the outer end of each side main shaft extends out of the main shaft box and is respectively provided with a direct-connection unclamping cylinder, and the inner end of each side main shaft is connected with a motor assembly in the main shaft box through a synchronous belt. The utility model discloses in, five main shafts are installed respectively on five faces of headstock, can process five faces of work piece respectively in a clamping, and the mutual position precision of every main shaft is high, and the transmission system of side main shaft is identical, and mutual independence, and the maintenance and the use of being convenient for, structural technology is good, reduction in production cost improves work efficiency.

Description

Headstock structure with five-side processing

Technical Field

The utility model relates to a longmen machining center headstock technical field, concretely relates to headstock structure with five-sided processing.

Background

The machining center is a highly automated multifunctional numerical control machine tool, along with the development of manufacturing industry, the demand of the machining center is also bigger and bigger, the application range is also wider and wider, and the main spindle box is an important part of the machining center.

In-process through current lathe to parts machining, if need process several machined surfaces on the part, generally need reprocess after the clamping through relocating the part, can produce positioning error because the many times clamping of multiple operation from this, lead to parts machining precision to receive the influence, for solving above-mentioned problem, publication number CN 206717493U's utility model discloses a headstock structure of many main shafts processing, be a plurality of processing main shafts of matrix arrangement in the headstock box including the headstock box with being located, each processing main shaft's top all is equipped with the belt drive wheel, still be equipped with a plurality of driving belt, each driving belt encircles four belt drive wheel settings that are located same square matrix, the top of headstock box still is equipped with at least one motor. The spindle box structure can be used for respectively mounting the same tools on a plurality of processing spindles in the same row on a spindle box body, but the existing universal rotary spindle head with a plurality of optional inlets of the spindle or a side milling head accessory with an optional inlet has the following defects, such as:

(1) the imported universal rotary main shaft head has high cost, is only suitable for finish machining, has poor rough machining rigidity and low efficiency;

(2) the imported side milling head fittings are particularly difficult to assemble and disassemble, waste a large amount of time and have insufficient rigidity;

(3) after the side milling head accessory is installed, the coordinate system needs to be changed, and a user cannot easily master the coordinate system.

In view of this, it is urgently needed to improve the spindle box structure of the existing gantry machining center, so as to facilitate operation, facilitate assembly and disassembly, reduce production cost, improve product precision and improve working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current longmen machining center headstock is structural, in a clamping, to a plurality of machined surfaces simultaneous processing's rough machining rigidity poor, the precision is low, the dismouting difficulty, uses inconvenient, problem that work efficiency is low.

In order to solve the technical problem, the utility model adopts the technical scheme that a spindle box structure with five-surface processing is provided, which comprises a spindle box and a plurality of spindles arranged on the spindle box, wherein the spindles comprise a central spindle and four side spindles,

the central spindle is arranged on the bottom surface of the spindle box, the outer end of the central spindle extends out of the spindle box, a direct-connected unclamping cylinder is arranged on the central spindle, and the inner end of the central spindle is connected with a central spindle motor in the spindle box through a coupler;

the four side main shafts are respectively arranged on four sides of the lower end of the spindle box, the outer end of each side main shaft extends out of the spindle box and is respectively provided with the direct-connection unclamping cylinder, and the inner end of each side main shaft is connected with a motor assembly in the spindle box through a synchronous belt.

In the scheme, two spindle box guide rail pairs arranged side by side are respectively arranged on two side faces of the spindle box, and the spindle box is dragged by a Z-axis feeding system to move up and down along the spindle box guide rail pairs.

In the scheme, two pairs of roller guide rail pairs are respectively arranged on two side surfaces of the spindle box and are used in cooperation with a central beam, and the roller guide rail pairs are dragged by a Y-axis feeding system to move left and right along the beam guide rail pairs.

In the above aspect, the motor assembly includes: a side spindle motor, a motor base, a synchronous belt wheel and a synchronous belt,

the motor assembly is fixed on the inner wall of the spindle box through the motor base and is connected with the side spindle through the synchronous belt pulley; a first synchronous belt pulley is arranged on the side spindle motor;

the inner of side main shaft be equipped with the second synchronous pulley that motor element connects, hold-in range pot head is established on the first synchronous pulley, another pot head is established on the second synchronous pulley.

In the above scheme, the number of the motor assemblies is four, the four motor assemblies are arranged in the spindle box in a matrix arrangement, the transmission systems of the motor assemblies are the same, and one motor assembly corresponds to one side spindle.

In the above scheme, an expansion adjusting screw connected with the motor base is further arranged in the spindle box and used for expanding or loosening the synchronous belt.

In the above scheme, the bottom surface of the lower end of the spindle box is provided with a spindle hole for accommodating the central spindle, and four side surfaces of the spindle box are respectively provided with a side surface spindle hole for accommodating the side surface spindle.

Compared with the prior art, the utility model discloses a headstock and a plurality of main shafts of setting on the headstock, central main shaft, the outer end is stretched out the headstock and is equipped with directly links the sword jar, and the inner is connected through the central spindle motor in shaft coupling and the headstock, and four side main shafts set up respectively on four sides of headstock lower extreme, and the outer end of every side main shaft all stretches out the headstock and is equipped with directly links the sword jar, and the inner of every side main shaft all is connected through the motor element in hold-in range and the headstock. The five main shafts are respectively arranged on five surfaces of the main shaft box, five surfaces of a workpiece can be respectively processed in one-time clamping, the mutual position precision of each main shaft is high, the transmission systems of the main shafts on the side surfaces are completely the same and mutually independent, the maintenance and the use are convenient, the structure process is good, the production cost is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a perspective view of a spindle head of the present invention;

FIG. 2 is a top view of the spindle head of the present invention;

FIG. 3 is a schematic cross-sectional view of the bottom of the spindle box of the present invention;

fig. 4 is a schematic view of a motor assembly according to the present invention;

fig. 5 is a schematic sectional view of the spindle box of the present invention.

Detailed Description

The utility model provides a headstock structure with five-side processing to convenient operation installs and removes the convenience, reduction in production cost improves work efficiency. The invention is described in detail below with reference to the drawings and the detailed description.

As shown in fig. 1 and 5, the utility model provides a headstock structure with five-sided processing, including headstock 100 and a plurality of main shafts of setting on headstock 100, a plurality of main shafts include a central main shaft 200 and four side main shafts 300, central main shaft 200 sets up on the bottom surface of headstock 100, the outer end stretches out headstock 100, is equipped with directly links the unclamping cylinder, the inner is connected with central spindle motor 210 in headstock 100 through shaft coupling 220, can take its coolant liquid to spout cooling blade and part from the handle of a knife, take the center to go out water; four side main shafts 300 set up respectively on four sides of headstock 100 lower extreme, headstock 100 all stretches out to the outer end of every side main shaft 300, be equipped with directly link unclamping cylinder, the inner of every side main shaft 300 all is connected with the motor element 320 in the headstock 100 through hold-in range 325, five main shafts are installed respectively on five faces of headstock 100, can process five faces of work piece respectively in a clamping, and the mutual position precision of every main shaft is high, the structure technology is good, the whole rigidity is good, can realize five-sided processing, the production cost is reduced, and the work efficiency is improved.

As shown in fig. 1, two side faces of the headstock 100 are respectively provided with two headstock guide rail pairs 110 arranged side by side, the headstock 100 is dragged by a Z-axis feed system and moves up and down along the headstock guide rail pairs 110, and the headstock 100 is used for being matched with a central beam and is dragged by a Y-axis feed system and moves left and right along the beam guide rail pairs.

As shown in fig. 1, 2, 3 and 4, the motor assembly 320 includes a side spindle motor 322, a motor base 321, a synchronous pulley 310 and a synchronous belt 325, the motor assembly 320 is fixed on the inner wall of the spindle box 100 through the motor base 321, the motor assembly 320 is connected with the side spindle 300 through the synchronous pulley 310, a through hole is formed in one side of the motor base 321, and a first synchronous pulley 310 is arranged at one end of the side spindle motor 322 through the through hole; the inner end of the side spindle 300 is provided with a second synchronous pulley 324 connected with the motor assembly 320, one end of the synchronous belt 325 is sleeved on the first synchronous pulley 310, the other end of the synchronous belt 325 is sleeved on the second synchronous pulley 324, and the side spindle is dragged to work through the synchronous belt 325.

The number of the motor assemblies 320 is four, the four motor assemblies 320 are distributed in the spindle box 100 in a matrix arrangement, the transmission systems of the motor assemblies 320 are the same, one side spindle 300 corresponds to one motor assembly 320, the transmission systems of the side spindles 300 are completely the same and independent, maintenance and use are facilitated, and working accuracy and efficiency are improved.

The main spindle box 100 is further provided therein with a tension adjusting screw connected to the motor base 321 for tightening or loosening the synchronous belt 325.

The working process of the utility model is as follows:

each main shaft is provided with a direct-connection unclamping cylinder, the central main shaft is driven to work through a central main shaft motor, four side main shafts are driven to work through four motor components respectively, and five surfaces of a workpiece can be machined in one-time clamping in the whole machining process. The user need only invoke the relevant user application. The structure is simple in process, convenient to maintain and use, and the precision of part machining is effectively improved.

Compared with the prior art, the utility model comprises a main spindle box and a plurality of main spindles arranged on the main spindle box, wherein the main spindles comprise a central main spindle and four side main spindles, the central main spindle is arranged on the bottom surface of the main spindle box, the outer end of the central main spindle extends out of the main spindle box and is provided with a direct-connected unclamping cylinder, and the inner end of the central main spindle is connected with a central main spindle motor in the main spindle box through a coupler; four side main shafts are respectively arranged on four sides of the lower end of the main shaft box, the outer end of each side main shaft extends out of the main shaft box and is respectively provided with a direct-connection unclamping cylinder, and the inner end of each side main shaft is connected with a motor assembly in the main shaft box through a synchronous belt. The five main shafts are respectively arranged on five surfaces of the main shaft box, five surfaces of a workpiece can be respectively processed in one-time clamping, the mutual position precision of each main shaft is high, the transmission systems of the main shafts on the side surfaces are completely the same and mutually independent, the maintenance and the use are convenient, the structure process is good, the production cost is reduced, and the working efficiency is improved.

The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims

1. A spindle box structure with five-surface processing comprises a spindle box and a plurality of spindles arranged on the spindle box, and is characterized in that the spindles comprise a central spindle and four side spindles,

2. The spindle box structure with five-sided processing according to claim 1, wherein two spindle box guide rail pairs arranged side by side are respectively provided on two side faces of the spindle box, and the spindle box is dragged by a Z-axis feed system to move up and down along the spindle box guide rail pairs.

3. The spindle box structure with five-sided processing according to claim 1, wherein two roller guide rail pairs are respectively arranged on two side faces of the spindle box, and are used with a central beam, dragged by a Y-axis feeding system, and moved left and right along the beam guide rail pairs.

4. The headstock structure with five-sided machining according to claim 1, wherein the motor assembly comprises: a side spindle motor, a motor base, a synchronous belt wheel and a synchronous belt,

5. The spindle box structure with five-sided processing according to claim 4, wherein the number of the motor assemblies is four, four of the motor assemblies are distributed in the spindle box in a matrix arrangement, a transmission system of each motor assembly is the same, and one motor assembly corresponds to one side spindle.

6. The spindle box structure with five-sided processing as claimed in claim 4, wherein a tension adjusting screw connected to the motor base is further provided in the spindle box for tightening or loosening the synchronous belt.

7. The structure of a spindle head with five-sided machining according to claim 1, wherein a bottom surface of a lower end of the spindle head is provided with a spindle hole for receiving the center spindle, and four side surfaces of the spindle head are respectively provided with side spindle holes for receiving the side spindles.