CN211279840U

CN211279840U - Hydraulic knockout device

Info

Publication number: CN211279840U
Application number: CN201921908295.7U
Authority: CN
Inventors: 胥筱康; 梁先勇; 程国庆; 魏兵; 肖红
Original assignee: CHONGQING JIANGDONG MACHINERY CO LTD
Current assignee: CHONGQING JIANGDONG MACHINERY CO LTD
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-08-18
Anticipated expiration: 2029-11-07

Abstract

A hydraulic knockout device comprises a mounting plate and a plurality of knockout cylinders, wherein a plurality of assembly holes are formed in the mounting plate at intervals, the number of the assembly holes is matched with that of the knockout cylinders, the assembly holes extend along the height direction, a plurality of threaded holes are formed in the top surface of the mounting plate and are fixedly connected with a hydraulic press slider, cylinder bodies of the knockout cylinders are mounted in the assembly holes corresponding to the mounting plate and are positioned, the cylinder bodies of the knockout cylinders do not exceed the top surface of the mounting plate, piston rods of the knockout cylinders extend out of the assembly holes downwards, a plurality of upper cavity oil ducts are formed in the mounting plate at intervals, the number of the upper cavity oil ducts is matched with that of the knockout cylinders, each oil duct is communicated with a rodless cavity of the corresponding knockout cylinder, a plurality of lower cavity oil ducts are formed in the mounting plate at intervals, the number of the lower cavity oil ducts is matched with that of the knockout cylinders, each lower cavity oil duct is communicated with a rodless cavity of the corresponding knockout cylinder, and the extending ends of each upper cavity, the outer extending end of each lower cavity oil duct is connected with a lower cavity oil duct joint.

Description

Hydraulic knockout device

Technical Field

The utility model relates to a hydraulic drive field, in particular to hydraulic pressure knockout device.

Background

The hydraulic material beating device is used for meeting the requirement of multipoint material beating on a slide block of a multi-station hydraulic machine. Most of the original material beating devices are used in a single station, the requirement can be met only by arranging one material beating cylinder, the structure is simple, and the connection of oil pipes is convenient. However, if a plurality of material beating cylinders are required to be installed in the sliding block at the same time and used synchronously, the space where the sliding block of the hydraulic press is located is complex, the problems that the material beating cylinders are complex to install and take over and inconvenient to fix the oil circuit exist in the process of installing and disassembling the material beating cylinders for many times, and in addition, the risk of oil leakage of the oil circuit is easy to occur, so that the maintenance cost of the material beating cylinders is high.

Disclosure of Invention

The utility model aims at prior art not enough, provide a hydraulic pressure knockout device, satisfy under the synchronous prerequisite that uses of a plurality of knockout jars, have simple structure, oil pipe and connect convenient advantage, effectively reduce the maintenance cost of enterprise.

The technical scheme of the utility model is that: a hydraulic material beating device comprises a mounting plate and a plurality of material beating cylinders, wherein a plurality of assembly holes are formed in the mounting plate at intervals, the number of the assembly holes is matched with the number of the material beating cylinders, the assembly holes extend along the height direction, a plurality of threaded holes are formed in the top surface of the mounting plate and are used for being fixedly connected with a hydraulic press sliding block, a cylinder body of each material beating cylinder is in interference fit with the corresponding assembly holes of the mounting plate and is positioned, the cylinder body of each material beating cylinder does not exceed the top surface of the mounting plate, a piston rod of each material beating cylinder extends out of each assembly hole downwards, a plurality of upper cavity oil ducts are formed in the mounting plate at intervals, the number of the upper cavity oil ducts is matched with the number of the material beating cylinders, each upper cavity oil duct is communicated with a rodless cavity of the corresponding material beating cylinder, a plurality of lower cavity oil ducts are formed in the mounting plate at intervals, the number of the lower cavity oil ducts is matched with the number, the outer extending end of each upper cavity oil duct is connected with an upper cavity oil duct joint, and the outer extending end of each lower cavity oil duct is connected with a lower cavity oil duct joint.

Two pairs of sealing rings are arranged between the periphery of the cylinder body of the material beating cylinder and the inner wall of the assembling hole, one pair of sealing rings are respectively positioned above and below a rodless cavity oil port of the material beating cylinder, and the other pair of sealing rings are respectively positioned above and below a rod cavity oil port of the material beating cylinder.

The mounting boss is arranged at the opening of the cylinder body of the material beating cylinder, the cylinder body of the material beating cylinder is in interference fit with the corresponding assembling hole, and the mounting boss and the mounting plate are fixed through a plurality of bolts in a penetrating mode.

The upper cavity oil duct is a stepped hole, the small-diameter end of the stepped hole is communicated with a rodless cavity of the material-beating cylinder, the large-diameter section of the stepped hole is communicated with the side wall of the mounting plate, and the upper cavity oil duct joint is fixed in the large-diameter end of the stepped hole.

The lower cavity oil duct is a stepped hole, the small-diameter end of the stepped hole is communicated with the rod cavity of the material beating cylinder, the large-diameter section of the stepped hole is communicated with the side wall of the mounting plate, and the joint of the lower cavity oil duct is fixed in the large-diameter end of the stepped hole.

The bottom of the cylinder body of the material beating cylinder is flush with the top surface of the mounting plate.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the hydraulic knockout device comprises an installation plate and a plurality of knockout cylinders, wherein the installation plate is used for installing the knockout cylinders, and the knockout cylinders are used for hydraulic knockout. The interval sets up a plurality of pilot holes on the mounting panel, and the quantity of pilot hole suits with the quantity of knockout jar, and all extends along the direction of height, and the top surface of mounting panel is equipped with a plurality of screw holes for with hydraulic press slider fixed connection. The utility model discloses a hydraulic press, including mounting panel, material beating jar, the material beating jar is used for the platform of material beating jar, the installation, dismantle, the material beating jar is convenient, swiftly, effectively reduce artifical intensity of labour, avoid installing repeatedly or dismantling a plurality of material beating jars in complicated space, the utility model discloses a hydraulic press is a hydraulic press slider fixed connection, the platform of material beating. The hydraulic material beating device is characterized in that a plurality of upper cavity oil ducts are arranged on the mounting plate at intervals, the number of the upper cavity oil ducts is matched with the number of the beating cylinders, each upper cavity oil duct is communicated with a rodless cavity of the corresponding beating cylinder, a plurality of lower cavity oil ducts are arranged on the mounting plate at intervals, the number of the lower cavity oil ducts is matched with the number of the beating cylinders, each lower cavity oil duct is communicated with a rod cavity of the corresponding beating cylinder, the extending end of each upper cavity oil duct is connected with an upper cavity oil duct connector, the extending end of each lower cavity oil duct is connected with a lower cavity oil duct connector, an external oil path is communicated with the rodless cavity and the rod cavity of the beating cylinder through the upper cavity oil duct connectors and the lower cavity oil duct connectors respectively, a piston of the beating cylinder is driven to move upwards or downwards, the oil path is convenient and regular to connect, the looseness prevention and oil leakage prevention effects are.

2. Two pairs of sealing rings are arranged between the periphery of the cylinder body of the material-beating cylinder and the inner wall of the assembly hole, wherein one pair of sealing rings are respectively positioned above and below a rodless cavity oil port of the material-beating cylinder and used for sealing the joint between the material-beating cylinder and the upper cavity oil duct and preventing hydraulic oil from leaking, and the other pair of sealing rings are positioned above and below a rod cavity oil port of the material-beating cylinder and used for sealing the joint between the material-beating cylinder and the lower cavity oil duct and preventing hydraulic oil from leaking.

The following further description is made with reference to the accompanying drawings and detailed description.

Drawings

Fig. 1 is a schematic mechanism diagram of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic view of the connection between the present invention and the slide block of the hydraulic press.

In the attached drawings, 1 is a mounting plate, 2 is a material beating cylinder, 3 is an assembly hole, 4 is an upper cavity oil duct, 5 is a lower cavity oil duct, 6 is an upper cavity oil duct joint, 7 is a lower cavity oil duct joint, 8 is a sealing ring, and 9 is a mounting boss.

Detailed Description

In the present invention, the components of the specific structure and the connection mode are not designated, and the components are generally conventional components or connection modes.

Referring to fig. 1 to 3, a specific embodiment of a hydraulic ramming device is shown. The hydraulic pressure is beaten the material device and is included mounting panel 1, a plurality of jar 2 of beating, the interval sets up a plurality of pilot holes 3 on the mounting panel 1, the quantity of pilot hole 3 suits with the quantity of jar 2 of beating, and all extend along the direction of height, the top surface of mounting panel 1 is equipped with a plurality of screw holes for with hydraulic press slider fixed connection, in this embodiment, the mounting panel is the rectangle structure, the quantity of the jar of beating is four, along the length direction evenly distributed who is the mounting panel of rectangle structure, the distribution situation of screw hole suits with the distribution situation of mounting hole on the hydraulic press slider. The cylinder body of the material beating cylinder 2 is installed in the assembly hole 3 corresponding to the installation plate 1 and is positioned, the cylinder body of the material beating cylinder 2 does not exceed the top surface of the installation plate 1, the piston rod of the material beating cylinder 2 extends out of the assembly hole 3 downwards, in the embodiment, the cylinder body opening part of the material beating cylinder 2 is integrally formed with an installation boss 9, the cylinder body of the material beating cylinder 2 is installed in the corresponding assembly hole 3, the installation boss 9 is passed through a plurality of bolts to be fixed with the installation plate 1, and the bottom of the cylinder body of the material beating cylinder 2 is flush with the top surface of the installation plate 1. The interval is equipped with a plurality of epicoele oil ducts 4 on the mounting panel 1, the quantity of epicoele oil duct 4 suits with the quantity of beating the material jar 2, each epicoele oil duct 4 and the no pole chamber intercommunication of the jar 2 of beating of corresponding material, that is, the quantity of epicoele oil duct is four, along the length direction evenly distributed who is the mounting panel of rectangle structure, and extend along the width direction of mounting panel, and is concrete, epicoele oil duct 4 is the shoulder hole, the minor diameter end of shoulder hole communicates with the no pole chamber of beating the material jar 2, the major diameter section and the lateral wall intercommunication of mounting panel 1 of shoulder hole. The mounting panel 1 is gone up the interval and is equipped with a plurality of lower chamber oil ducts 5, the quantity of lower chamber oil duct 5 suits with the quantity of knockout jar 2, each lower chamber oil duct 5 and the pole chamber intercommunication that has of knockout jar 2 that corresponds, that is, the quantity of lower chamber oil duct is four, along the length direction evenly distributed of the mounting panel that is the rectangle structure, and extend along the width direction of mounting panel, and is concrete, lower chamber oil duct 5 is the shoulder hole, the minor diameter end of shoulder hole and the pole chamber intercommunication that has of knockout jar 2, the major diameter section and the lateral wall intercommunication of mounting panel 1 of shoulder hole. The outer extending end of each upper cavity oil duct 4 is connected with an upper cavity oil duct joint 6, the outer extending end of each lower cavity oil duct 5 is connected with a lower cavity oil duct joint 7, specifically, the upper cavity oil duct joint 6 is fixed in the large-diameter end of the stepped hole, the lower cavity oil duct joint 7 is fixed in the large-diameter end of the stepped hole, and the upper cavity oil duct joint and the lower cavity oil duct joint can be fixed in corresponding positions by bolts or by threaded connection. In order to ensure the sealing performance between each material beating cylinder and the mounting plate assembly hole, two pairs of sealing rings 8 are arranged between the periphery of the cylinder body of the material beating cylinder 2 and the inner wall of the assembly hole 3, wherein one pair of sealing rings are respectively positioned above and below a rodless cavity oil port of the material beating cylinder 2, and the other pair of sealing rings are respectively positioned above and below a rod cavity oil port of the material beating cylinder 2 and are respectively used for sealing the joint between the material beating cylinder and an upper cavity oil duct and the joint between the material beating cylinder and a lower cavity oil duct.

The utility model discloses an installation mode does, will beat the material jar earlier and install respectively in the pilot hole that the mounting panel corresponds, and the rodless chamber of each beating the material jar communicates with the epicoele oil duct that corresponds, and each beats the material jar have the pole chamber and the cavity of resorption oil duct intercommunication that corresponds, then utilizes the installation boss that many bolts passed each beating the material jar to form fixedly with the mounting panel, forms a whole. And lifting the height of the mounting plate to the lower part of the hydraulic press sliding block by using hoisting equipment or hoisting equipment, and fixing the mounting plate on the hydraulic press sliding block by using a plurality of bolts to penetrate through the hydraulic press sliding block and be in threaded fit with the threaded holes in the mounting plate. And finally, the external oil circuit is respectively connected with the corresponding upper cavity oil duct joint and the lower cavity oil duct joint and is used for driving the knockout cylinder to operate.

When the material is required to be beaten, a piston rod of each material beating cylinder is connected with a workpiece through a die connecting rod, hydraulic oil enters a rodless cavity of the material beating cylinder from an upper cavity oil duct joint, the hydraulic oil in the rod cavity of the material beating cylinder is discharged, the piston rod of the material beating cylinder is pushed to move downwards, when the piston rod returns, the hydraulic oil in the rodless cavity of the material beating cylinder is discharged, the hydraulic oil enters the material beating cylinder from a lower cavity oil duct joint and is provided with the rod cavity, the piston rod of the material beating cylinder is pushed to move upwards, and one-time material beating action is completed.

Claims

1. The utility model provides a hydraulic pressure knockout device which characterized in that: comprises a mounting plate (1) and a plurality of material beating cylinders (2),

a plurality of assembly holes (3) are arranged on the mounting plate (1) at intervals, the number of the assembly holes (3) is adapted to the number of the material mixing cylinders (2) and extends along the height direction, a plurality of threaded holes are arranged on the top surface of the mounting plate (1) and are used for being fixedly connected with a hydraulic press sliding block,

the cylinder body of the material beating cylinder (2) is arranged in the corresponding assembly hole (3) of the mounting plate (1) and is positioned, the cylinder body of the material beating cylinder (2) does not exceed the top surface of the mounting plate (1), the piston rod of the material beating cylinder (2) extends out of the assembly hole (3) downwards,

the interval is equipped with a plurality of epicoele oil ducts (4) on mounting panel (1), the quantity of epicoele oil duct (4) suits with the quantity of beating material jar (2), each epicoele oil duct (4) and the rodless chamber intercommunication of the jar of beating material (2) that corresponds, the interval is equipped with a plurality of cavity of resorption oil ducts (5) on mounting panel (1), the quantity of cavity of resorption oil duct (5) suits with the quantity of beating material jar (2), each cavity of resorption oil duct (5) and the pole chamber intercommunication that has of the jar of beating material (2) that corresponds, the overhanging end of each epicoele oil duct (4) is connected with epicoele oil duct joint (6) respectively, the overhanging end of each cavity of resorption (5) is connected with cavity of resorption oil duct joint (7) respectively.

2. The hydraulic knockout device of claim 1, wherein: two pairs of sealing rings (8) are arranged between the periphery of the cylinder body of the material beating cylinder (2) and the inner wall of the assembling hole (3), wherein one pair of sealing rings are respectively positioned above and below a rodless cavity oil port of the material beating cylinder (2), and the other pair of sealing rings are respectively positioned above and below a rod cavity oil port of the material beating cylinder (2).

3. The hydraulic knockout device of claim 1, wherein: the mounting structure is characterized in that a mounting boss (9) is arranged at the mouth of the cylinder body of the material beating cylinder (2), the cylinder body of the material beating cylinder (2) is in interference fit with the corresponding assembling hole (3), and the mounting boss (9) penetrates through a plurality of bolts to be fixed with the mounting plate (1).

4. The hydraulic knockout device of claim 1, wherein: the upper cavity oil duct (4) is a stepped hole, the small-diameter end of the stepped hole is communicated with a rodless cavity of the material-beating cylinder (2), the large-diameter section of the stepped hole is communicated with the side wall of the mounting plate (1), and the upper cavity oil duct joint (6) is fixed in the large-diameter end of the stepped hole.

5. The hydraulic knockout device of claim 1, wherein: the lower cavity oil duct (5) is a stepped hole, the small-diameter end of the stepped hole is communicated with the rod cavity of the material beating cylinder (2), the large-diameter section of the stepped hole is communicated with the side wall of the mounting plate (1), and the lower cavity oil duct joint (7) is fixed in the large-diameter end of the stepped hole.

6. The hydraulic knockout device of claim 1, wherein: the bottom of the material beating cylinder (2) is flush with the top surface of the mounting plate (1).