CN211728461U - A high-speed machining center with CNC double exchange worktables - Google Patents

Abstract

The utility model discloses a high-speed machining center with a numerically controlled double exchange worktable, which comprises an integrated full support base, a column is installed on the upper side of one end of the integrated full support base, and a headstock that moves up and down is installed on one side of the column. An umbrella-shaped tool magazine is installed on one side of the up-and-down moving spindle box, a front and rear moving saddle and a hydraulic exchange table are installed on the upper side of the other end of the integrated full support base, and a left and right moving table is installed on the front and rear moving saddle. , a hydraulic locking mechanism is installed on the upper side of the left and right moving worktable and the lower side of one end of the hydraulic exchange table. The advantages of hydraulic drive are lower cost, safety and reliability, and self-locking ability is stronger than that of direct drive exchange table.

Description

A high-speed machining center with CNC double exchange worktables

technical field

The utility model relates to the technical field of numerical control machining centers, in particular to a numerical control double exchange table high-speed machining center.

Background technique

A CNC machining center is a CNC machine tool with a tool magazine that can automatically change tools and can perform various processing operations on the workpiece within a certain range. Since the CNC machining center can centrally and automatically complete a variety of processes, it avoids human operation errors, reduces workpiece clamping, measurement and machine tool adjustment time and workpiece turnover, handling and storage time, greatly improving processing efficiency and processing. precision, and thus has good economic benefits. The continuously improved working performance of high-speed CNC machining centers is an important prerequisite for the mold manufacturing industry to process molds with high efficiency and high precision. The main part of the high-speed CNC machining center is mainly composed of base, column, saddle, worktable, spindle box and other components.

In the prior art, the application number CN201611188058.9 is a direct-drive exchange workbench based on positioning and locking, which includes a machine tool workbench, a DD motor drive mechanism, an exchange workbench, an exchange workbench base, a DD motor brake positioning oil cylinder, DD motor mover, hydraulic expansion sleeve, exchange table body, DD motor stator, floating oil cylinder, fixture oil circuit distributor, rotating shaft and shift fork, the DD motor drive mechanism is provided with a rotating shaft, and there is a floating oil cylinder under the exchange table body And the clamp oil circuit distributor, the floating oil cylinder is connected with a rotating shaft, and the rotating shaft is connected with a fork. The exchange table has no mechanical transmission structure, and is positioned and locked by a hydraulic expansion sleeve. It can be directly driven for positioning without backlash. The response of the servo system is excellent, and it can achieve fast and high-precision positioning. However, this direct-drive exchange work is used. , the cost is high, the safety is low, and the reliability is poor, and the existing machining center structure has no tool magazine structure, which leads to cumbersome manual tool change and affects the processing efficiency.

Utility model content

The purpose of the utility model is to provide a high-speed machining center with a numerical control double exchange worktable, so as to solve the problem of using such a direct-drive exchange worktable in the prior art, which has high cost, low safety, and poor reliability. The structure of the machining center used has no tool magazine structure, which leads to cumbersome manual tool change and affects the processing efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-speed CNC machining center with double exchange tables, comprising an integrated full-support base, a column is installed on one end of the integrated full-support base, and one side of the column is provided with a column. An up-down moving headstock is installed, an umbrella-type tool magazine is installed on one side of the up-down moving headstock, and a front-rear moving saddle and a hydraulic exchange table are installed on the upper side of the other end of the integrated full-support base. The front-rear moving saddle A left and right moving worktable is installed on the upper side of the seat, and a hydraulic locking mechanism is installed on the upper side of the left and right moving worktable and the lower side of one end of the hydraulic exchange table.

Further, a linear guide rail and a ball screw for moving up and down are installed on one side of the column, and one side of the moving headstock is threadedly connected to the ball screw for moving up and down through a screw pair, and one side of the moving headstock passes through the first slide. The block is slidably connected with the up-down moving linear guide rail, and one end of the up-down moving ball screw is drivingly connected with a first servo motor.

Further, the upper side of the one-piece full support base is equipped with a front and rear moving linear slide rail and a front and rear moving ball screw. The two ends of the lower side of the moving saddle are slidably connected with the forward and backward moving linear slide rails through the second sliding block, and one end of the forward and backward moving ball screw is drivingly connected with a second servo motor.

Further, the upper side of the front and rear moving saddle is provided with a left and right moving linear slide rail and a left and right moving ball screw, and the lower side of the left and right moving table is connected with the left and right moving ball screw.

Further, a hydraulic rotary oil cylinder is installed in the middle of the lower side of the hydraulic exchange table.

Further, the hydraulic locking mechanism includes a limit socket installed on one end of the lower side of the hydraulic exchange table, a locking cylinder is installed on the upper side of the left-right moving table, and a telescopic limit rod is connected to the upper part of the locking cylinder for transmission. .

Further, two sets of the hydraulic locking mechanism are symmetrically installed with respect to the hydraulic exchange table.

Further, the hydraulic exchange table adopts double worktables, and a limit guardrail is installed outside the hydraulic exchange table.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The exchange table used in the present invention is a hydraulically driven and locked exchange table. The advantages of hydraulic drive are that the cost is lower, the safety is reliable, and the self-locking ability is stronger than that of the directly driven exchange table; Moving the ball screw, moving the ball screw back and forth and moving the linear slide rail left and right can realize the linear adjustment processing in the X axis, the Y axis and the Z axis, which is beneficial to improve the processing efficiency.

2. The utility model moves the umbrella-shaped tool magazine installed on one side of the spindle box up and down, which facilitates the replacement of tools, satisfies the processing use in different situations, and is beneficial to improve the efficiency of numerical control processing.

3. The hydraulic locking mechanism of the present utility model includes a limit socket installed on one end of the lower side of the hydraulic exchange table, a locking cylinder is installed on the upper side of the left and right moving table, and a telescopic limit rod is connected to the upper transmission of the locking cylinder. The exchange worktable is controlled by hydraulic pressure. After the two worktables are raised, they are exchanged and rotated, and then lowered, and the worktable is locked by hydraulic pressure to complete the exchange process of the worktable.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the right side view of the overall structure of the utility model;

Fig. 3 is the left side view of the overall structure of the utility model;

4 is a front view of the overall structure of the utility model;

FIG. 5 is an enlarged schematic view of the structure at A of the present invention.

In the picture: 1. One-piece full support base; 2. Upright column; 3. Moving saddle forward and backward; 4. Moving worktable left and right; 5. Hydraulic exchange table; 6. Umbrella tool magazine; 7. Moving headstock up and down; 8. Move the ball screw up and down; 9. The first slider; 10. Move the linear guide rail up and down; 11. The first servo motor; 12. Move the ball screw back and forth; 13. The second servo motor; rail; 15, second slider; 16, hydraulic locking mechanism; 1601, locking cylinder; 1602, limit socket; 17, move ball screw left and right; 18, limit guardrail; 19, move linear slide rail left and right.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-5. In the embodiment of the present invention, a high-speed machining center with CNC double-exchange table includes an integrated full-support base 1 for supporting and fixing the lower side of the equipment. The integrated full-support base 1 A column 2 is installed on the upper side of one end, a headstock 7 that moves up and down is installed on one side of the column 2, and an output spindle and a drive motor are installed inside the headstock 7 to move up and down. An umbrella-shaped tool magazine 6 is installed, which is convenient for tool replacement, meets the processing and use in different situations, and is conducive to improving the efficiency of CNC machining. The upper side of the other end of the one-piece full-support base 1 is installed with a front and rear moving saddle 3 and hydraulic exchange. Table 5, a left and right moving table 4 is installed on the upper side of the front and rear moving saddle 3, a hydraulic locking mechanism 16 is installed on the upper side of the left and right moving table 4 and the lower side of one end of the hydraulic exchange table 5, and the exchange table used is hydraulically driven and The advantages of the locked exchange table and hydraulic drive are that the cost is lower, the safety is reliable, and the self-locking ability is stronger than that of the direct-driven exchange table.

Preferably, a vertical moving linear guide 10 and a vertical moving ball screw 8 are installed on one side of the upright column 2, and one side of the vertical moving spindle box 7 is threadedly connected with the vertical moving ball screw 8 through a screw pair. The side is slidably connected to the up and down linear guide rail 10 through the first slider 9, and one end of the up and down ball screw 8 is driven and connected to a first servo motor 11, which is convenient for driving the up and down spindle box 7 for up and down adjustment.

Preferably, the upper side of the one-piece full support base 1 is installed with a linear slide rail 14 for moving forward and backward and a ball screw 12 for moving forward and backward. The two ends of the lower side of the front and rear moving saddle 3 are slidably connected to the front and rear moving linear slide rails 14 through the second sliding block 15, and one end of the front and rear moving ball screw 12 is connected with a second servo motor 13, which is convenient for driving the front and rear moving saddle 3. Mobile adjustment use.

Preferably, a linear slide rail 19 for moving left and right and a ball screw 17 for moving left and right are installed on the upper side of the front and rear moving saddle 3, and the lower side of the moving table 4 is connected with the ball screw 17 for moving left and right, which can drive the moving table 4 to adjust the use of left and right.

Preferably, a hydraulic rotary oil cylinder is installed in the middle of the lower side of the hydraulic exchange table 5, and a lifting hydraulic cylinder is connected to the lower side of the hydraulic rotary oil cylinder, which is convenient for driving the hydraulic exchange table 5 to lift and rotate for adjustment.

Preferably, the hydraulic locking mechanism 16 includes a limit socket 1602 installed on one end of the lower side of the hydraulic exchange table 5, a locking cylinder 1601 is installed on the upper side of the left and right moving table 4, and the upper transmission connection of the locking cylinder 1601 is connected with a telescopic limiter The position lever, the hydraulic locking mechanism 16 is symmetrically installed in two groups with respect to the hydraulic exchange table 5. The exchange table is controlled by hydraulic pressure. After the two tables are raised, they are exchanged and rotated, and then lowered, and the hydraulic pressure is used to work. The table is locked to complete the exchange process of the table.

Preferably, the hydraulic exchange table 5 adopts double worktables, and a limit guard rail 18 is installed on the outside of the hydraulic exchange table 5 to facilitate the protection of the outside of the hydraulic exchange table 5 .

The working principle and use process of the utility model: connect the equipment to the control circuit of the numerical control system, turn on the power supply, and perform numerical control processing on the workpiece, and the exchange table used is a hydraulically driven and locked exchange table, and the hydraulic drive The advantages of this machine are that the cost is lower, it is safe and reliable, and the self-locking ability is stronger than that of the direct-driven exchange table; by moving the umbrella-shaped tool magazine 6 installed on one side of the headstock 7 up and down, it is convenient to replace the tool and meet the processing in different situations. It is beneficial to improve the efficiency of CNC machining, and through the provided up and down moving ball screw 8, front and rear moving ball screw 12 and left and right moving linear slide rails 19, the linear adjustment of X axis, Y axis and Z axis can be realized. Processing and use, is conducive to improving the efficiency of processing.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a two exchange table high-speed machining centers of numerical control, includes that the integral type supports base (1) entirely, its characterized in that: stand (2) are installed to the integral type full stand base (1) one end upside, stand (2) one side is installed and is reciprocated headstock (7), reciprocate headstock (7) one side and install umbrella type tool magazine (6), integral type full stand base (1) other end upside is installed and is moved saddle (3) and fluid pressure type exchange station (5) back and forth, move saddle (3) upside and install and remove workstation (4) about, remove workstation (4) upside and fluid pressure type exchange station (5) one end downside and install hydraulic locking mechanism (16) about.

2. The numerical control double-exchange workbench high-speed machining center according to claim 1, characterized in that: the vertical column (2) is provided with an up-and-down moving linear guide rail (10) and an up-and-down moving ball screw (8) on one side, and the up-and-down moving main shaft box (7) is in threaded connection with the up-and-down moving ball screw (8) through a screw pair on one side, the up-and-down moving main shaft box (7) is in sliding connection with the up-and-down moving linear guide rail (10) through a first sliding block (9) on one side, and the up-and-down moving ball screw.

3. The numerical control double-exchange workbench high-speed machining center according to claim 1, characterized in that: the integrated full-support base is characterized in that a front-and-back linear sliding rail (14) and a front-and-back ball screw (12) are mounted on the upper side of the integrated full-support base (1), the middle of the lower side of the front-and-back saddle (3) is in transmission connection with the front-and-back linear sliding rail (14) through a screw pair, two ends of the lower side of the front-and-back saddle (3) are in sliding connection with the front-and-back linear sliding rail (14) through second sliders (15), and one end of the front-and.

4. The numerical control double-exchange workbench high-speed machining center according to claim 1, characterized in that: the upper side of the front-back moving saddle (3) is provided with a left-right moving linear slide rail (19) and a left-right moving ball screw (17), and the lower side of the left-right moving workbench (4) is in transmission connection with the left-right moving ball screw (17).

5. The numerical control double-exchange workbench high-speed machining center according to claim 1, characterized in that: and a hydraulic rotary oil cylinder is arranged in the middle of the lower side of the hydraulic exchange table (5).

6. The numerical control double-exchange workbench high-speed machining center according to claim 1, characterized in that: hydraulic pressure locking mechanism (16) include that hydraulic pressure exchange table (5) downside one end installs spacing socket (1602), remove workstation (4) upside and install locking cylinder (1601) about, and locking cylinder (1601) upper portion transmission is connected with flexible gag lever post.

7. The numerical control double-exchange workbench high-speed machining center according to claim 1, characterized in that: two groups of hydraulic locking mechanisms (16) are symmetrically arranged on the hydraulic exchange table (5).

8. The numerical control double-exchange workbench high-speed machining center according to claim 1, characterized in that: the hydraulic type exchanging platform (5) adopts double working platforms, and a limiting guardrail (18) is arranged on the outer side of the hydraulic type exchanging platform (5).

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