CN219617182U

CN219617182U - Workpiece clamping mechanism of numerical control machine tool

Info

Publication number: CN219617182U
Application number: CN202223484378.2U
Authority: CN
Inventors: 杨洪香
Original assignee: Dalian Huizheng Automation Technology Co ltd
Current assignee: Dalian Huizheng Automation Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-09-01
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of clamping mechanisms, in particular to a workpiece clamping mechanism of a numerical control machine tool. The technical proposal is as follows: including backup pad and fixed connection at the carriage of backup pad upper end, the lower extreme both sides of backup pad all are connected with the curb plate, upper end one side of carriage is provided with a plurality of first locating plates, and is a plurality of first locating plate slip grafting is in the upper end of carriage, one side fixedly connected with supporting shoe of backup pad, the upper end of supporting shoe is provided with a plurality of regulation subassemblies that use with a plurality of first locating plates cooperation respectively. According to the utility model, the plurality of positioning plates are inserted into one side of the upper end of the supporting frame, the plurality of adjusting assemblies which are respectively matched with the plurality of positioning plates are arranged on one side of the supporting frame, and the lifting states of the corresponding positioning plates are adjusted by rotating the corresponding operating rods, so that workpieces of different types can be conveniently and rapidly clamped, and the clamping mechanism can be installed on machine tools of different types, and is more practical.

Description

Workpiece clamping mechanism of numerical control machine tool

Technical Field

The utility model relates to the technical field of clamping mechanisms, in particular to a workpiece clamping mechanism of a numerical control machine tool.

Background

The numerical control machine tool needs to clamp a workpiece during processing, so that a clamping mechanism needs to be designed, and the Chinese patent net discloses the following patent numbers: the work piece clamping mechanism for the numerical control machine tool comprises a clamping body, wherein an electric push rod is arranged in the clamping body, a telescopic rod is arranged at the upper end of the electric push rod, a connecting block is arranged at the upper end of the telescopic rod, two connecting pieces are arranged at the rear end of the connecting block, sliding blocks are arranged at the outer sides of the connecting pieces, limiting blocks are arranged at the outer sides of the sliding blocks, the lower ends of the limiting blocks are fixedly connected with the sliding blocks through fastening nuts, the electric push rod is started, the inner sides of the two connecting pieces can be driven to move up and down by the electric push rod, the sliding blocks at the outer sides can be driven to slide left and right by the connecting pieces, the lower ends of the limiting blocks can be driven to move left and right by the sliding blocks, the upper ends of the limiting blocks can be opened and closed, the clamping of the work piece is facilitated, and the practicability and the convenience of the clamping mechanism are effectively improved; the above patent is inconvenient to adjust the clamping function according to workpieces of different sizes when clamping, certain limitation exists when clamping, and the clamping device cannot be suitable for machine tools of different models, and in view of the above, we propose a workpiece clamping mechanism of a numerical control machine tool.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a workpiece clamping mechanism of a numerical control machine tool, which is convenient to install and adjust.

The technical scheme of the utility model is as follows: the workpiece clamping mechanism of the numerical control machine tool comprises a supporting plate and a supporting frame fixedly connected to the upper end of the supporting plate, wherein two sides of the lower end of the supporting plate are connected with side plates, one side of the upper end of the supporting frame is provided with a plurality of first positioning plates, the first positioning plates are in sliding connection with the upper end of the supporting frame, one side of the supporting plate is fixedly connected with a supporting block, the upper end of the supporting block is provided with a plurality of adjusting assemblies which are respectively matched with the first positioning plates for use, and the other side of the supporting frame is provided with a clamping plate;

the lower extreme one side of backup pad is provided with the locating plate subassembly, the locating plate subassembly includes the second locating plate of sliding connection at one of them curb plate inboard.

Preferably, the adjusting component comprises a screw rod rotatably connected to the upper end of the supporting block, a sleeve block is screwed to the outer side of the screw rod, a connecting rod penetrating through the supporting frame is fixedly connected to one side of the lower end of the first positioning plate correspondingly, and the connecting rod is fixedly connected with the sleeve block.

Preferably, the upper end of the supporting block is also rotationally connected with an operating rod positioned at one side of the screw rod, and gears which are in meshed transmission are sleeved on the outer sides of the screw rod and the operating rod.

Preferably, the lower extreme fixedly connected with slip of grip block sets up the slide on the carriage, the hydraulic telescoping rod is installed through the installation piece to the upper end inner wall of carriage, the flexible end and the one end fixed connection of slide of hydraulic telescoping rod.

Preferably, one of the side plates is penetrated and connected with two push rods fixedly connected with the second positioning plate in a sliding manner, the outer ends of the two push rods are fixedly connected with transmission blocks, a screw rod is penetrated and connected in the side plate in a rotating manner, and the transmission blocks are sleeved on the outer side of the screw rod in a threaded manner.

Preferably, a motor positioned at the inner side of the supporting frame is installed at the upper end of the supporting plate, an output shaft of the motor is fixedly connected with a rotating rod, a bevel gear I is fixedly connected with the lower end of the rotating rod, and a bevel gear II which is meshed with the bevel gear I for transmission is fixedly connected with the inner end of the screw rod.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. the plurality of positioning plates are inserted into one side of the upper end of the supporting frame, the plurality of adjusting assemblies which are respectively matched with the plurality of positioning plates are arranged on one side of the supporting frame, and the lifting states of the corresponding positioning plates are adjusted by rotating the corresponding operating rods, so that workpieces of different types can be conveniently and rapidly clamped, and the clamping mechanism can be flexibly adjusted according to specific conditions and is more practical;

2. through setting up locating plate subassembly in lower extreme one side of backup pad, can install this fixture on the numerical control technique of different models, when the installation is fixed, the output shaft rotation of motor drives the lead screw through the dwang and rotates, and the lead screw rotates and drives the drive block and be close to the carriage and remove to make two push rods promote the locating plate and be close to the opposite side of lathe and remove, the block has accomplished the installation in one side of lathe promptly, convenient operation has enlarged application scope.

Drawings

FIG. 1 is a perspective view of a workpiece clamping mechanism of a numerically controlled machine tool;

FIG. 2 is a schematic view of the bottom structure of the support plate of the present utility model;

FIG. 3 is a schematic view of the adjustment assembly of FIG. 1;

fig. 4 is a schematic structural view of the clamping plate in fig. 1.

Reference numerals: 1. a support plate; 2. a support frame; 3. a side plate; 5. a positioning plate; 6. a support block; 7. an adjustment assembly; 701. a connecting rod; 702. sleeving blocks; 703. a screw; 704. a gear; 705. an operation lever; 8. a clamping plate; 9. a motor; 10. a locating plate assembly; 101. a positioning plate; 102. a push rod; 103. a transmission block; 104. a screw rod; 106. a rotating lever; 11. a hydraulic telescopic rod; 12. and (3) a sliding plate.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1 and 3, the workpiece clamping mechanism of the numerical control machine tool provided by the utility model comprises a supporting plate 1 and a supporting frame 2 fixedly connected to the upper end of the supporting plate 1, wherein both sides of the lower end of the supporting plate 1 are connected with side plates 3, one side of the upper end of the supporting frame 2 is provided with a plurality of first positioning plates 5, the plurality of first positioning plates 5 are in sliding connection with the upper end of the supporting frame 2, one side of the supporting plate 1 is fixedly connected with a supporting block 6, the upper end of the supporting block 6 is provided with a plurality of adjusting assemblies 7 which are respectively matched with the plurality of first positioning plates 5 for use, the other side of the supporting frame 2 is provided with a clamping plate 8, in combination with fig. 4, the lower end of the clamping plate 8 is fixedly connected with a sliding plate 12 which is arranged on the supporting frame 2 in a sliding manner, the inner wall of the upper end of the supporting frame 2 is provided with a hydraulic telescopic rod 11 through a mounting block, the telescopic end of the hydraulic telescopic rod 11 is fixedly connected with one end of the sliding plate 12, and the upper surface of the supporting frame 2 is provided with a through groove for the sliding plate 12; the adjusting assembly 7 comprises a screw 703 rotatably connected to the upper end of the supporting block 6, a sleeve block 702 is screwed on the outer side of the screw 703, a connecting rod 701 penetrating through the supporting frame 2 is fixedly connected to one side of the lower end of the corresponding first positioning plate 5, and the connecting rod 701 is fixedly connected with the sleeve block 702; the upper end of the supporting block 6 is also rotationally connected with an operating rod 705 positioned at one side of the screw 703, gears 704 which are in meshed transmission are sleeved on the outer sides of the screw 703 and the operating rod 705, and the rotating operating rod 705 drives the screw 703 to rotate through meshed transmission of the two gears 704.

In the embodiment, the clamping mechanism is arranged at the upper end of the machine tool during use, a plurality of first positioning plates 5 are inserted into one side of the upper end of the supporting frame 2, a plurality of adjusting assemblies 7 which are respectively matched with the plurality of first positioning plates 5 are arranged on one side of the supporting frame 2, and when a small-sized workpiece is required to be clamped, the inner first positioning plates 5 are kept in a lifted state; when the middle-sized workpiece needs to be clamped, the innermost operating rod 705 is rotated, the screw 703 is driven to rotate through the meshing transmission of the gear 704, so that the sleeve block 702 is driven to move downwards, and finally the first locating plate 5 on the inner side is driven to move downwards through the connecting rod 701, and the first locating plate 5 in the middle is kept in a lifting device; when a large-sized workpiece needs to be clamped, the inner side and middle operating rod 705 is rotated to enable the inner side and middle first positioning plate 5 to move downwards, and at the moment, the outer side first positioning plate 5 is kept in a lifted state; during clamping, a workpiece is placed at the right upper end of the supporting frame 2, then the hydraulic telescopic rod 11 is started, the telescopic end of the hydraulic telescopic rod 11 retracts to drive the clamping plate 8 to move near the middle of the supporting frame 2, and the workpiece is clamped under the cooperation of the corresponding first positioning plate 5.

Example two

As shown in fig. 1 and fig. 2, the workpiece clamping mechanism of a numerical control machine according to the present utility model further includes: a positioning plate assembly 10 is arranged at one side of the lower end of the supporting plate 1, and the positioning plate assembly 10 comprises a second positioning plate 101 which is connected to the inner side of one side plate 3 in a sliding way; two push rods 102 fixedly connected with the second positioning plate 101 are inserted and connected on one side plate 3 in a penetrating and sliding manner, the outer ends of the two push rods 102 are fixedly connected with a transmission block 103, a screw rod 104 is connected in the side plate 3 in a penetrating and rotating manner, and the transmission block 103 is sleeved on the outer side of the screw rod 104 in a threaded manner; the upper end of the supporting plate 1 is provided with a motor 9 positioned at the inner side of the supporting frame 2, an output shaft of the motor 9 is fixedly connected with a rotating rod 106, the lower end of the rotating rod 106 is fixedly connected with a first bevel gear, and the inner end of the screw rod 104 is fixedly connected with a second bevel gear which is meshed with the first bevel gear for transmission; through setting up locating plate subassembly 10 in lower extreme one side of backup pad 1, can install this fixture in the numerical control technique of different models, after pasting this backup pad 1 with the upper end of digit control machine tool in the time of the installation, and make one of them curb plate 3 and one side contact of lathe, then start motor 9, the output shaft rotation of motor 9 drives dwang 106 and rotates, dwang 106 rotates and drives lead screw 104 through bevel gear one and two meshing transmission of bevel gear, lead screw 104 rotates and drives drive transmission piece 103 and move near braced frame 2, thereby make two push rods 102 promote the opposite side that second locating plate 101 is close to the lathe and remove, the block has accomplished the installation in one side of lathe promptly, through setting up the non slipping block in the surface that second locating plate 101 and opposite side curb plate 3 are close to each other, improve the stability of location.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a work piece fixture of digit control machine tool, includes backup pad (1) and fixed connection at braced frame (2) of backup pad (1) upper end, its characterized in that:

the two sides of the lower end of the supporting plate (1) are connected with side plates (3), one side of the upper end of the supporting frame (2) is provided with a plurality of first positioning plates (5), the plurality of first positioning plates (5) are slidably inserted into the upper end of the supporting frame (2), one side of the supporting plate (1) is fixedly connected with a supporting block (6), the upper end of the supporting block (6) is provided with a plurality of adjusting assemblies (7) which are respectively matched with the plurality of first positioning plates (5), and the other side of the supporting frame (2) is provided with a clamping plate (8);

the lower extreme one side of backup pad (1) is provided with locating plate subassembly (10), locating plate subassembly (10) are including sliding connection at second locating plate (101) of one of them curb plate (3) inboard.

2. The workpiece clamping mechanism of a numerical control machine tool according to claim 1, wherein the adjusting assembly (7) comprises a screw rod (703) rotatably connected to the upper end of the supporting block (6), a sleeve block (702) is screwed on the outer side of the screw rod (703), a connecting rod (701) penetrating through the supporting frame (2) is fixedly connected to one side of the lower end of the corresponding first positioning plate (5), and the connecting rod (701) is fixedly connected with the sleeve block (702).

3. The workpiece clamping mechanism of the numerical control machine tool according to claim 2, wherein the upper end of the supporting block (6) is further rotatably connected with an operating rod (705) positioned at one side of a screw rod (703), and gears (704) which are in meshed transmission are sleeved on the outer sides of the screw rod (703) and the operating rod (705).

4. The workpiece clamping mechanism of the numerical control machine tool according to claim 1, wherein the lower end of the clamping plate (8) is fixedly connected with a sliding plate (12) which is arranged on the supporting frame (2) in a sliding manner, a hydraulic telescopic rod (11) is installed on the inner wall of the upper end of the supporting frame (2) through an installation block, and the telescopic end of the hydraulic telescopic rod (11) is fixedly connected with one end of the sliding plate (12).

5. The workpiece clamping mechanism of the numerical control machine tool according to claim 1, wherein two push rods (102) fixedly connected with the second positioning plate (101) are inserted through sliding on one side plate (3), the outer ends of the two push rods (102) are fixedly connected with transmission blocks (103), a screw rod (104) is connected in penetrating rotation in the side plate (3), and the transmission blocks (103) are sleeved on the outer side of the screw rod (104) in a threaded mode.

6. The workpiece clamping mechanism of the numerical control machine tool according to claim 5, wherein a motor (9) positioned on the inner side of the supporting frame (2) is installed at the upper end of the supporting plate (1), an output shaft of the motor (9) is fixedly connected with a rotating rod (106), a bevel gear I is fixedly connected to the lower end of the rotating rod (106), and a bevel gear II meshed with the bevel gear I is fixedly connected to the inner end of the screw rod (104).