CN215616664U

CN215616664U - Self-closed type oil cylinder clamp device for numerical control gantry milling and drilling machine

Info

Publication number: CN215616664U
Application number: CN202122058416.7U
Authority: CN
Inventors: 刘荣恒; 刘骏; 辛洪进; 李伟
Original assignee: Shandong Dongkong Machinery Co ltd
Current assignee: Shandong Dongkong Machinery Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-25
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a self-closed type oil cylinder fixture device for a numerical control planomiller, which comprises a workbench for placing materials and four movable supports moving on the workbench, wherein oil cylinder seats are fixed on the four movable supports, and oil cylinders are fixed on the oil cylinder seats. According to the utility model, the four movable supports, the oil cylinder and the oil cylinder seat are matched at different positions, the adjustment and control are carried out according to the size of the machined part as required, the parts with different sizes and shapes are suitable, the machined part is firmly fixed, the part is prevented from shaking, the machining quality is ensured, the workpiece scrapping and the damage of a cutter or even a machine tool caused by the position deviation of the workpiece in the machining process are avoided, and meanwhile, the oil cylinder is prevented from being corroded and blocked to cause the failure of the clamping mechanism due to the fact that cutting chips and cutting fluid generated by machining enter the inside of the oil cylinder clamping mechanism.

Description

Self-closed type oil cylinder clamp device for numerical control gantry milling and drilling machine

Technical Field

The utility model relates to the technical field of gantry drilling and milling machines, in particular to a self-sealing type oil cylinder clamp device for a numerical control gantry drilling and milling machine.

Background

The milling machine is a milling machine with a portal frame and a horizontal long lathe bed. The planer type milling machine can simultaneously machine the surface by a plurality of milling cutters, has higher machining precision and production efficiency, and is suitable for machining planes and inclined planes of large-scale workpieces in batch and mass production. The numerical control planer type milling machine can also process space curved surfaces and some special parts.

However, when large parts are machined at present, the parts are inconvenient to position, the circle center of the clamp is not accurately positioned, the clamping is not reliable, and the like, so that the machining of the parts has errors and even is scrapped; in addition, the centering and clamping device adopted by the conventional numerical control gantry milling and drilling machine is extremely inconvenient to clean chips generated by processing and discharge cutting fluid, and long-time accumulation of the chips and the cutting fluid can damage parts of the centering and clamping mechanism due to corrosion and blockage, and even the whole function of the mechanism fails, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the conventional clamping device for the milling and drilling machine is positioned in a workbench and is inconvenient to clean chips, the chips and cutting fluid are rusted after being accumulated for a long time, a centering and clamping mechanism in the workbench is blocked, parts of the clamping and drilling machine are damaged, and even the whole function of the mechanism is failed.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a numerical control planer-type drilling and milling machine is with from closed hydro-cylinder fixture device, is including four removal supports that are used for placing the workstation of material and move on the workstation, all is fixed with the hydro-cylinder seat on four removal supports, is fixed with the hydro-cylinder on the hydro-cylinder seat, and the piston rod end-to-end of hydro-cylinder rotates and is connected with the briquetting, is fixed with the installation piece on the hydro-cylinder, and the both sides of installation piece are all rotated and are connected with the gag lever post, and the upper end of two gag lever posts is all rotated and is connected in the both sides of briquetting, and the one end of removing the support is fixed with the work piece locating piece.

The four pressing blocks compress and fix the parts, the precision in processing is guaranteed, and chips and cutting fluid accumulated around the oil cylinder cannot enter the oil cylinder because the oil cylinder is of a self-closed structure, so that mechanisms such as the oil cylinder and the like are protected.

Preferably, be equipped with the second T type groove of diagonal configuration on the workstation, four lower extreme both sides of removing the support all are fixed with two T type nuts, T type nut and the corresponding setting in second T type groove, and T type nut is located the second T type inslot that corresponds, run through on the removal support and be equipped with the second screw, the lower extreme and the T type nut threaded connection of second screw.

Four T-shaped nuts are arranged below each movable support, and two T-shaped nuts in one second T-shaped groove guarantee the adjustability and accuracy of the sliding position, so that different parts can be conveniently fixed.

Preferably, be furnished with a plurality of vertical and horizontal right angle distribution's first T type groove on the workstation, first T type inslot sliding connection has corresponding centering post, and the centering post quantity is three.

The three centering columns are used for positioning the part to be processed, so that the part is positioned in the reliable clamping range of the clamping mechanism.

Preferably, the oil cylinder is connected with a hydraulic pipe, and one end of the hydraulic pipe is connected with an outlet connector of the hydraulic station.

Preferably, the four movable supports are fixed with vertical support plates, the vertical support plates are fixed with reinforcing ribs, the reinforcing ribs are fixed on the movable supports, two connectors are arranged on the vertical support plates and located on two sides of the reinforcing ribs, two first screws penetrate through the connectors, one ends of the first screws extend into the oil cylinder base, and the oil cylinder base is fixed through the first screws.

The oil cylinder base is firmly fixed by the four first screws, and shaking caused by the oil cylinder base is avoided, so that clamping and processing of parts in later periods are facilitated.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of four different positions between removal support, hydro-cylinder, the hydro-cylinder seat, the size of processing part as required carries out regulation and control, is suitable for not unidimensional, shape part to firmly fixed processing part avoids the part to rock, guarantees processingquality, avoids causing the work piece to scrap because of work piece offset in the course of working, cutter or even lathe damage, the while can not be because of the smear metal that processing produced, inside the cutting fluid gets into hydro-cylinder clamping mechanism, make hydro-cylinder corrosion, block, cause clamping mechanism to become invalid.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a schematic view of the structure of the inventive work table;

FIG. 5 is a top view of the table of the present invention;

fig. 6 is a side view of the present invention.

In the figure: the device comprises a working table 1, a centering column 2, a hydraulic station outlet joint 3, a first T-shaped groove 4, a pressing block 5, a limiting rod 6, an oil cylinder 7, an oil cylinder seat 8, a movable support 9, a first screw 10, a second screw 11, a second T-shaped groove 12, a vertical support plate 13, a hydraulic pipe 14 and a workpiece positioning block 15.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-6, a self-enclosed type oil cylinder clamp device for a numerical control planomiller comprises a workbench 1 for placing materials and four movable supports 9 moving on the workbench 1, wherein oil cylinder bases 8 are fixed on the four movable supports 9, oil cylinders 7 are fixed on the oil cylinder bases 8, hydraulic pipes 14 are connected on the oil cylinders 7, one ends of the hydraulic pipes 14 are connected on an oil inlet and outlet way connected with an outlet connector 3 of a hydraulic station through the hydraulic pipes 14 and other pipelines to ensure the normal operation of the oil cylinders 7, the tail ends of piston rods of the oil cylinders 7 are rotatably connected with pressing blocks 5, mounting blocks are fixed on the oil cylinders 7, two sides of the mounting blocks are rotatably connected with limiting rods 6, the oil cylinders 7 push the pressing blocks 5 to rotate, the pressing blocks 5 can rotate under the action of the limiting rods 6, one ends of the pressing blocks can abut against parts when the pressing blocks 5 rotate, the parts are clamped and fixed, and the four pressing blocks 5 are simultaneously clamped and fixed, the fixing is firm, the position deviation in the later period is avoided, the upper ends of two limiting rods 6 are rotatably connected to two sides of a pressing block 5, a workpiece positioning block 15 is fixed to one end of a movable support 9, parts are located on four workpiece positioning blocks 15, the pressing block 5 fixes the workpieces on the workpiece positioning blocks 15, a plurality of first T-shaped grooves 4 are formed in a workbench 1, corresponding centering columns 2 are connected in the first T-shaped grooves 4 in a sliding mode, the number of the centering columns 2 is three or more, a circle center is determined by the three centering columns 2, and after the diameters of the parts are known, the three centering columns 2 are moved to appropriate positions, and the moving positions of the centering columns 2 are the same, and similarly, when the centering columns are polygonal, more than 3 centering columns 2 are used, thus, the relative positions of the workpiece of the processing table and the middle of the workbench 1 are basically consistent (pre-positioned), and when the part is placed, the edge of the part is abutted against the three centering columns 2.

Three centering column 2 has guaranteed the approximate position relation of each part (same size) central point and workstation 1 that need process, appear pressing from both sides tight deviation when avoiding clamping mechanism, unreliable emergence, and four briquetting 5 compress tightly fixedly to the part, avoid the part to rock, guarantee processingquality, avoid causing the work piece to scrap because of work piece offset in the course of working, the cutter damages even lathe, the smear metal that can not produce because of processing simultaneously, inside cutting fluid gets into hydro-cylinder clamping mechanism, make hydro-cylinder corrosion, block, cause clamping mechanism to become invalid.

Referring to fig. 1-6, a second T-shaped groove 12 is diagonally arranged on the worktable 1, two T-shaped nuts are fixed on both sides of the lower ends of the four movable supports 9, the T-shaped nuts slide in the corresponding second T-shaped grooves 12, so that the movable supports 9 can be conveniently moved, the T-shaped nuts and the second T-shaped grooves 12 are correspondingly arranged, the T-shaped nuts are located in the corresponding second T-shaped grooves 12, second screws 11 are arranged on the movable supports 9 in a penetrating manner, the lower ends of the second screws 11 are in threaded connection with the T-shaped nuts, and the movable supports 9 and the T-shaped nuts are fixed by the second screws 11.

The four T-shaped nuts are arranged below one movable support 9, and the two T-shaped nuts in one second T-shaped groove 12 guarantee the adjustability and accuracy of the sliding position, so that different parts can be conveniently fixed.

Referring to fig. 1-6, four movable supports 9 are all fixed with upright support plate 13, upright support plate 13 is fixed with the strengthening rib, the strengthening rib is fixed on movable support 9, upright support plate 13 is equipped with two connectors, two connectors are located the both sides of strengthening rib, all run through in the connector and be equipped with two first screws 10, the one end of first screw 10 extends to in the hydro-cylinder seat 8, be fixed with hydro-cylinder seat 8 through first screw 10, first screw 10 fixes hydro-cylinder seat 8, first screw 10 and upright support plate 13 on two connectors can adjust, be used for adapting to the different height dimensions of part.

The oil cylinder base 8 is firmly fixed by the four first screws 10, and shaking generated by the oil cylinder base 8 is avoided, so that clamping and fixing of parts in later period are facilitated.

In the utility model, when in use, the corresponding centering columns 2 are slid according to the size of the overall dimension (diameter when in a cylinder) of a part, the centering columns 2 are moved to a proper position, so that the individual parts of a batch of parts with the same dimension can be placed among the positioning columns 2 in a micro-gap manner, the pre-positioning within a certain positioning error is ensured, then the four movable supports 9 are moved, after the movable supports 9 are moved to the proper position, the part to be processed is placed on the four workpiece positioning blocks 15, meanwhile, the oil cylinder 7 pushes the pressing block 5 to move, due to the action of the two limiting rods 6, the pressing block 5 rotates, one end of the pressing block 5 is pressed against the part to clamp and fix the part, after the processing is finished, the scraps generated on the worktable 1 are conveniently cleaned, the oil cylinder is not rusted and blocked due to the fact that processing scraps and cutting fluid enter the inside of the oil cylinder clamping mechanism, causing the clamping mechanism to fail.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A self-enclosed oil cylinder clamp device for a CNC gantry drilling and milling machine, comprising a workbench (1) for placing materials and four moving supports (9) moving on the workbench (1), characterized in that: An oil cylinder seat (8) is fixed on the four moving supports (9), an oil cylinder (7) is fixed on the oil cylinder seat (8), and a pressure block (5) is rotatably connected to the end of the piston rod of the oil cylinder (7). 7) A mounting block is fixed on it, both sides of the mounting block are connected to the limit rods (6) rotatably, and the upper ends of the two limit rods (6) are connected to both sides of the pressure block (5). One end of 9) is fixed with a workpiece positioning block (15).

2 . The self-enclosed oil cylinder clamp device for a CNC gantry drilling and milling machine according to claim 1 , wherein the worktable ( 1 ) is provided with a second T-slot ( 12 ) arranged diagonally. 3 . , two T-shaped nuts are fixed on both sides of the lower ends of the four moving supports (9), the T-shaped nuts and the second T-shaped grooves (12) are correspondingly arranged, and the T-shaped nuts are located in the corresponding second T-shaped In the groove (12), a second screw (11) is provided through the movable support (9), and the lower end of the second screw (11) is threadedly connected with the T-shaped nut.

3. The self-enclosed oil cylinder clamp device for a CNC gantry drilling and milling machine according to claim 1, wherein the worktable (1) is provided with a plurality of first T-slots ( 4), a corresponding centering column (2) is slidably connected in the first T-shaped groove (4), and the number of the centering columns (2) is three.

4. A self-enclosed oil cylinder clamp device for a CNC gantry drilling and milling machine according to claim 1, wherein a hydraulic pipe (14) is connected to the oil cylinder (7), and one end of the hydraulic pipe (14) is connected to There is a hydraulic station outlet connector (3).

5. A self-enclosed oil cylinder clamp device for a CNC gantry drilling and milling machine according to claim 1, wherein the four moving supports (9) are all fixed with upright support plates (13), and the upright support plates ( 13) A reinforcing rib is fixed on the rib, the reinforcing rib is fixed on the movable support (9), and two connecting ports are provided on the erecting support plate (13), and the two connecting ports are located on both sides of the reinforcing rib, and the connecting ports are provided with a There are two first screws (10), one end of the first screws (10) extends into the oil cylinder seat (8), and the oil cylinder seat (8) is fixed by the first screws (10).