Servo energy-saving hydraulic device for machine tool

Abstract

The servo energy-saving hydraulic device for the machine tool comprises a machine frame, the surface of the machine frame is fixedly connected with a protective cylinder, the surface of the machine frame is provided with a pair of receding holes, the upper surface of the machine frame is fixedly connected with an electric telescopic rod and an alarm lamp, the surface of the machine frame is fixedly connected with a PLC, and the PLC is fixedly connected with a servo motor. A connecting shaft is rotatably connected to the inner wall of the protective cylinder, a hydraulic rod is fixedly connected to the surface of the connecting shaft, and a pressurizing clamping mechanism is rotatably connected to the inner wall of the output end of the hydraulic rod. By installing the L-shaped plate, the hydraulic rod which occupies a small space is driven, when the output end of the hydraulic rod is started, the hydraulic rod is driven to rotate and adjust with the connecting shaft as the center, self-locking and pressure multiplication are achieved, and the first clamping plate and the second clamping plate are driven to be close to each other to clamp a workpiece.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic device technical field especially relates to a machine tool is with servo energy -conserving hydraulic device. BACKGROUND

[0002] Hydraulic device is a kind of mechanical device using liquid pressure to transmit power and movement. It is mainly composed of five parts: power element, execution element, control element, auxiliary element and hydraulic oil. Hydraulic device increases the force by changing the pressure, realizes the conversion and transmission of energy.

[0003] When the workpiece of machine tool is clamped, in addition to traditional vice, if workpiece is stressed greatly when processing, more reliable liquid device is also needed to extrude and clamp, but the existing clamping mode also adopts small hydraulic rod to drive fixed workpiece, but this mode still needs certain improvement, small hydraulic rod occupies small space, but pressure is limited, when larger workpiece is clamped, there is the condition of insufficient pressure power, thus a kind of machine tool is with servo energy -conserving hydraulic device. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in prior art and provides a kind of machine tool is with servo energy -conserving hydraulic device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of machine tool is with servo energy -conserving hydraulic device, including rack, the surface of the rack is fixedly connected with protection cylinder, the surface of the rack is equipped with a pair of avoiding hole, the upper surface of the rack is fixedly connected with electric telescopic rod and alarm lamp, the surface of the rack is fixedly connected with PLC controller, the inner wall of the protection cylinder is rotatably connected with connecting shaft, the surface of the connecting shaft is fixedly connected with hydraulic rod, the inner wall of the output end of the hydraulic rod is rotatably connected with pressure boosting clamping mechanism;

[0007] The pressure boosting clamping mechanism includes the installation shaft rotatably connected to the inner wall of the output end of hydraulic rod, the surface of the installation shaft is fixedly connected with L-shaped plate, the inner wall of the rack is fixedly connected with first mounting plate and second mounting plate, the inner wall of the first mounting plate is rotatably connected with rotating shaft, the surface of the rotating shaft is fixedly connected with the inner wall of L-shaped plate, the inner wall of L-shaped plate is rotatably connected with push rod, the inner wall of the fixed plate of the rack is fixedly connected with first slide rod, the inner wall of the first slide rod is rotatably connected with push rod.

[0008] Preferably, the surface of the first slide rod is slidably connected with the first clamping plate, and the surface of the fixed plate is fixedly connected with the linkage plate.

[0009] Preferably, the inner wall of the second mounting plate is slidably connected with a first rack and a second rack, one end of the linkage plate is fixedly connected with one end of the first rack, the surface of the second mounting plate is rotatably connected with a gear, the gear is engaged with the first rack, and the gear is engaged with the second rack.

[0010] Preferably, one end of the second rack is fixedly connected with a second sliding rod, and the second sliding rod is slidably connected with the inner wall of the positioning plate.

[0011] Preferably, the surface of the second sliding rod is slidably connected with a second clamping plate, the first clamping plate and the second clamping plate are installed in the avoiding hole, and the opposite surfaces of the first clamping plate and the second clamping plate are fixedly connected with anti-skid pieces.

[0012] Preferably, the inner wall of the first clamping plate and the second clamping plate is slidably connected with a bolt, and the surface of the first clamping plate and the second clamping plate is provided with a plurality of insertion grooves matched with the bolt.

[0013] The utility model discloses the beneficial effect that:

[0014] 1. Through installing setting L shaped board, make the hydraulic rod drive of occupying space is less, when the output end of hydraulic rod starts, drive hydraulic rod to rotate and adjust with connecting shaft as center, realize self -lock and pressure multiplication, drive first clamping plate and second clamping plate close, clamp work piece.

[0015] 2. When needing to clamp work piece of different width, need first to remove the insertion of the insertion groove and limit, through the first clamping plate on the surface of the first sliding rod sliding, the second clamping plate on the surface of the second sliding rod sliding adjustment, through the insertion of the insertion groove and reset, to adapt to the clamping of different work piece width. DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the sectional structure schematic diagram of the rack in the utility model;

[0018] Figure 3 It is the sectional structure schematic diagram of the protection cylinder in the utility model;

[0019] Figure 4 It is the sectional structure schematic diagram of the first clamping plate in the utility model.

[0020] In the figure: 1, rack; 2, alarm lamp; 3, electric telescopic rod; 4, PLC controller; 5, protective cylinder; 6, hydraulic rod; 7, connecting shaft; 8, first clamping plate; 9, anti-skid piece; 10, mounting shaft; 11, rotating shaft; 12, push rod; 13, fixed plate; 14, first sliding rod; 15, bolt; 16, linkage plate; 17, first rack; 18, gear; 19, second rack; 20, second sliding rod; 21, positioning plate; 22, insertion slot; 23, second clamping plate; 24, L-shaped plate; 25, avoiding hole; 26, first mounting plate; 27, second mounting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Reference Figures 1-4 A servo energy-saving hydraulic device for machine tool, including rack 1, the surface of rack 1 is fixedly connected with protective cylinder 5, a pair of avoiding holes 25 are set in the surface of rack 1, the upper surface of rack 1 is fixedly connected with electric telescopic rod 3 and alarm lamp 2, the surface of rack 1 is fixedly connected with PLC controller 4, the inner wall of protective cylinder 5 is rotatably connected with connecting shaft 7, the surface of connecting shaft 7 is fixedly connected with hydraulic rod 6, the inner wall of the output end of hydraulic rod 6 is rotatably connected with pressure-increasing clamping mechanism;

[0023] Pressure-increasing clamping mechanism includes mounting shaft 10 rotatably connected to the inner wall of the output end of hydraulic rod 6, the surface of mounting shaft 10 is fixedly connected with L-shaped plate 24, the inner wall of rack 1 is fixedly connected with first mounting plate 26 and second mounting plate 27, the inner wall of first mounting plate 26 is rotatably connected with rotating shaft 11, the surface of rotating shaft 11 is fixedly connected with the inner wall of L-shaped plate 24, the inner wall of L-shaped plate 24 is rotatably connected with push rod 12, the inner wall of fixed plate 13 fixedly connected with rack 1 is slidably connected with first sliding rod 14, and the inner wall of first sliding rod 14 is rotatably connected with push rod 12.

[0024] In the utility model, by setting PLC controller 4, the start of driving equipment is controlled, by setting protective cylinder 5, hydraulic rod 6 is protected, by setting hydraulic rod 6, starting hydraulic rod 6 drives L-shaped plate 24 to rotate under stress, by small hydraulic rod 6, the effect of pressure multiplication is realized, by first mounting plate 26, the stability of L-shaped plate 24 rotation is kept, by setting push rod 12, by push rod 12, first sliding rod 14 is pushed to slide in fixed plate 13, and then the stroke of first clamping plate 8 is changed.

[0025] The surface of first sliding rod 14 is slidably connected with first clamping plate 8, and the surface of fixed plate 13 is fixedly connected with linkage plate 16.

[0026] The utility model discloses a linkage plate 16 is set up, drives first rack 17 movement together.

[0027] The inner wall of second mounting plate 27 is slidably connected with first rack 17 and second rack 19, one end of linkage plate 16 is fixedly connected with one end of first rack 17, the surface of second mounting plate 27 is rotatably connected with gear 18, gear 18 is engaged with first rack 17, and gear 18 is engaged with second rack 19.

[0028] The utility model discloses a first rack 17 and second rack 19 are set up, drive by gear 18, make second rack 19 and first rack 17 move towards opposite direction, and then drive second slide bar 20 and first slide bar 14 to be close to each other or away from each other.

[0029] One end of second rack 19 is fixedly connected with second slide bar 20, and second slide bar 20 is slidably connected with the inner wall of positioning plate 21.

[0030] The utility model discloses a second slide bar 20 is set up, drives second clamping plate 23 movement.

[0031] The surface of second slide bar 20 is slidably connected with second clamping plate 23, first clamping plate 8 and second clamping plate 23 are installed in the avoiding hole 25, and the opposite surface of first clamping plate 8 and second clamping plate 23 is fixedly connected with antiskid piece 9.

[0032] The utility model discloses a first clamping plate 8 and second clamping plate 23 are set up, and the workpiece placed on rack 1 is clamped, and antiskid piece 9 is set up, and the friction is increased, to prevent it from producing skidding.

[0033] The inner wall of first clamping plate 8 and second clamping plate 23 is slidably connected with bolt 15, and the surface of first clamping plate 8 and second clamping plate 23 is provided with a plurality of insertion slot 22, and bolt 15 is matched with insertion slot 22.

[0034] The utility model discloses a bolt 15 is set up, and insertion slot 22 is cooperated, and the position of first clamping plate 8 and second clamping plate 23 is changed and positioned, to adapt to the workpiece of different width.

[0035] Working principle: in use, after the workpiece is placed on the rack 1, the hydraulic rod 6 is started, the output end of the hydraulic rod 6 drives the installation shaft 10 to bear stress, so that the L-shaped plate 24 rotates around the rotating shaft 11 to adjust, at this time the rotating shaft 11 is stressed, the push rod 12 becomes horizontal state under the action of the first slide rod 14, drives the first slide rod 14 and the first clamping plate 8 to move, at this time the self-locking and pressure multiplication are realized, the first slide rod 14 moves through the linkage plate 16 to drive the first rack 17 to move, the first rack 17 drives the second rack 19 to move in the opposite direction through the gear 18, the second rack 19 moves through the second slide rod 20 to drive the second clamping plate 23 and the first clamping plate 8 to move close to each other, the workpiece is clamped, when it is needed to adjust the distance between the first clamping plate 8 and the second clamping plate 23, the plug-in slot 22 is inserted and limited by the release of the plug-in slot 22, the first clamping plate 8 is slid on the surface of the first slide rod 14, the second clamping plate 23 is slid on the surface of the second slide rod 20 to adjust, then the plug-in slot 22 is inserted and reset through the plug-in slot 15, so as to adapt to the clamping of different workpiece widths, through the above structure, the hydraulic rod 6 with small occupied space is driven to realize self-locking and pressure multiplication.

[0036] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A servo energy-saving hydraulic device for machine tools, comprising a frame (1), characterized in that, A protective cylinder (5) is fixedly connected to the surface of the frame (1). A pair of clearance holes (25) are opened on the surface of the frame (1). An electric telescopic rod (3) and an alarm light (2) are fixedly connected to the upper surface of the frame (1). A PLC controller (4) is fixedly connected to the surface of the frame (1). A connecting shaft (7) is rotatably connected to the inner wall of the protective cylinder (5). A hydraulic rod (6) is fixedly connected to the surface of the connecting shaft (7). A pressure-boosting clamping mechanism is rotatably connected to the inner wall of the output end of the hydraulic rod (6). The pressurizing clamping mechanism includes a mounting shaft (10) rotatably connected to the inner wall of the output end of the hydraulic rod (6). An L-shaped plate (24) is fixedly connected to the surface of the mounting shaft (10). A first mounting plate (26) and a second mounting plate (27) are fixedly connected to the inner wall of the frame (1). A rotating shaft (11) is rotatably connected to the inner wall of the first mounting plate (26). The surface of the rotating shaft (11) is fixedly connected to the inner wall of the L-shaped plate (24). A push rod (12) is rotatably connected to the inner wall of the L-shaped plate (24). A fixing plate (13) is fixedly connected to the inner wall of the frame (1). A first sliding rod (14) is slidably connected to the inner wall of the fixing plate (13). The first sliding rod (14) is rotatably connected to the inner wall of the push rod (12).

2. The servo energy-saving hydraulic device for machine tools according to claim 1, characterized in that, The surface of the first slide rod (14) is slidably connected to the first clamping plate (8), and the surface of the fixed plate (13) is fixedly connected to the linkage plate (16).

3. The servo energy-saving hydraulic device for machine tools according to claim 2, characterized in that, The inner wall of the second mounting plate (27) is slidably connected with a first rack (17) and a second rack (19). One end of the linkage plate (16) is fixedly connected to one end of the first rack (17). A gear (18) is rotatably connected to the surface of the second mounting plate (27). The gear (18) meshes with the first rack (17) and the gear (18) meshes with the second rack (19).

4. A servo energy-saving hydraulic device for machine tools according to claim 3, characterized in that, One end of the second rack (19) is fixedly connected to a second slide rod (20), and the second slide rod (20) is slidably connected to the inner wall of the positioning plate (21).

5. A servo energy-saving hydraulic device for machine tools according to claim 4, characterized in that, The second slide bar (20) is slidably connected to a second clamping plate (23). The first clamping plate (8) and the second clamping plate (23) are installed in the clearance hole (25). Anti-slip pieces (9) are fixedly connected to the opposite surfaces of the first clamping plate (8) and the second clamping plate (23).

6. A servo energy-saving hydraulic device for machine tools according to claim 5, characterized in that, The inner walls of the first clamping plate (8) and the second clamping plate (23) are slidably connected with pins (15), and the surfaces of the first clamping plate (8) and the second clamping plate (23) are provided with multiple slots (22), and the pins (15) are adapted to the slots (22).

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