CN216911751U

CN216911751U - Press machine

Info

Publication number: CN216911751U
Application number: CN202123258776.8U
Authority: CN
Inventors: 吴秋生
Original assignee: Ward Precision Machine Shenyang Co ltd
Current assignee: Ward Precision Machine Shenyang Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-07-08
Anticipated expiration: 2031-12-23

Abstract

The utility model belongs to the field of machinery, and particularly relates to a press machine which comprises a lifting slide block and a stamping device, wherein the lifting slide block is used for pressing a die, the stamping device comprises an upper die fixing seat, a sliding template and a plurality of upper dies, the upper die fixing seat is fixedly connected with the lifting slide block of the press machine, the sliding template is matched on the upper die fixing seat in a sliding manner in the horizontal direction, and the plurality of upper dies are fixed on the sliding template and are linearly arranged along the sliding direction of the sliding template. The technical problems that in the prior art, a plurality of presses, a plurality of workers, a plurality of operations and a plurality of independent dies are needed for shaping, stretching and forming a part, and the efficiency is low are solved.

Description

Press machine

Technical Field

The utility model belongs to the field of machinery, and particularly relates to a press machine.

Background

For the operation that a part needs many times punching such as plastic, drawing, shaping to accomplish, traditional press mode needs three presses, cubic punching press, three operative employee, three sets of independent mould to accomplish, both extravagant manpower, material resources and financial resources, production efficiency is still low, the energy consumption is high again. Based on this, this application has proposed a press to solve the three processes of plastic, drawing, shaping to a part and need many presses, a plurality of workman, multiple operation, a plurality of independent mould and technical problem that efficiency is still low among the prior art.

Disclosure of Invention

In order to solve the technical problem that three processes of shaping, stretching and forming a part in the prior art need multiple presses, multiple workers, multiple operations, multiple independent dies and low efficiency, the utility model provides a press machine which solves the technical problem.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an aspect of the present invention provides a press machine including a lifting slider for a press die and a press apparatus, the press apparatus including: the upper die fixing seat is fixedly connected with a lifting sliding block of the press machine; the sliding template is matched on the upper die fixing seat in a sliding manner in the horizontal direction; and the upper dies are fixed on the sliding die plate and are linearly arranged along the sliding direction of the sliding die plate.

The die comprises an upper die fixing seat, an upper die and a lower die, wherein the upper die is fixed on the upper die fixing seat, the lower die is fixed on the upper die fixing seat, the upper die is fixed on the lower die, the upper die is fixed on the upper die fixing seat, the lower die is fixed on the lower die, the upper die is fixed on the lower die, the lower die is fixed on the upper die fixing seat, the upper die is fixed on the lower die, the lower die is fixed on the lower die fixing seat, the upper die is fixed on the upper die fixing seat, the upper die is fixed on the lower die fixing seat, the upper die is fixed on the upper die fixing seat, the lower die is fixed on the lower die fixing seat, the upper die is fixed on the upper die fixing seat, the upper die is fixed on the lower die fixing seat, the upper die is fixed on the upper die.

Further, still include the workstation, be provided with lower mould ejecting device on the workstation, lower mould ejecting device includes: the lower die is fixedly arranged on a die pressing position of the workbench; and the ejector rod of the ejection cylinder is movably matched on the lower die.

Further, the number of the upper molds is three.

Furthermore, the transposition cylinder and the ejection cylinder are in the same hydraulic system, and the hydraulic system is provided with a three-position four-way electromagnetic valve for controlling transposition of the transposition cylinder and a three-position four-way electromagnetic valve for controlling ejection of the ejection cylinder.

Furthermore, a plurality of position sensors are arranged on the upper die fixing seat, the position sensors correspond to the position of the upper die, and the transposition three-position four-way electromagnetic valve receives signals sent by the position sensors to control the transposition cylinder.

Furthermore, two limit sensors are arranged on the workbench, the limit sensors correspond to two limit positions of a moving path of an ejector rod of the ejection cylinder, and the ejection three-position four-way electromagnetic valve receives signals sent by the limit sensors to control the ejection cylinder.

Furthermore, a two-position four-way electromagnetic valve is arranged in the air path of the positioning cylinder.

Furthermore, two induction switches are arranged on the positioning cylinder, the induction switches correspond to two limit positions of a piston rod of the positioning cylinder, and the two-position four-way electromagnetic valve receives signals sent by the induction switches to control the positioning cylinder.

Based on the technical scheme, the utility model can realize the following technical effects:

the application provides a press machine, go up the lifting function when mould fixing base and the lift slider fixed connection of press machine in order to realize the moulding-die, the slip form is in the transposition of the slip form cooperation of horizontal direction ground on last mould fixing base with the realization, like this, to the operation that a part needs the shaping, stretch and take shape these three kinds of punching presses and accomplish, only need set up the three upper dies that are the linear arrangement along the slip direction of slip form on the slip form, three upper dies correspond the shaping in proper order, stretch and take shape the operation, therefore, the press machine only needs to adjust the position of slip form on last mould fixing base at the during operation, just can realize the transposition of a plurality of upper dies, thereby realize the three kinds of punching press operations of shaping, stretch and take shape on a press machine, thereby solved and carried out many presses, the shaping, stretch, take shape three processes to a part among the prior art, Multiple workers, multiple operations, multiple independent molds and low efficiency.

Drawings

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

FIG. 2 is a hydraulic system diagram of the index and knock-out cylinders of the press of the present invention;

fig. 3 is a gas circuit system diagram of the positioning cylinder of the present invention.

Wherein: 1-lifting a slide block; 2-an upper die fixing seat, 21-a transposition cylinder, 211-a transposition three-position four-way electromagnetic valve, 22-a positioning cylinder, 221-a two-position four-way electromagnetic valve and 222-an inductive switch; 3-sliding the template; 4, mounting a mold; 5-a workbench, 51-a lower die, 52-an ejection cylinder, 521-an ejection three-position four-way electromagnetic valve and 53-a limit sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-3, the press machine provided by the present application includes three upper dies 4 as an example, and includes a lifting slide block 1 for pressing a die and a stamping device, the stamping device includes an upper die fixing base 2, a sliding die plate 3 and a plurality of upper dies 4, the upper die fixing base 2 is fixedly connected with the lifting slide block 1 of the press machine, the sliding die plate 3 is slidably fitted on the upper die fixing base 2 in a horizontal direction, and the plurality of upper dies 4 are fixed on the sliding die plate 3 and linearly arranged along a sliding direction of the sliding die plate 3.

According to the press machine provided by the application, the upper die fixing seat 2 is fixedly connected with the lifting slide block 1 of the press machine to realize the lifting function during die pressing, the sliding template 3 is matched with the upper die fixing seat 2 in a sliding manner in the horizontal direction to realize the transposition of the plurality of upper dies 4, so that for the operation of finishing three stamping operations of shaping, stretching and forming of a part, only three upper dies 4 which are linearly arranged along the sliding direction of the sliding template 3 are required to be arranged on the sliding template 3, and the three upper dies 4 sequentially correspond to the shaping, stretching and forming operations, therefore, when the press machine works, the transposition of the plurality of upper dies 4 can be realized only by adjusting the position of the sliding template 3 on the upper die fixing seat 2, so that the three stamping operations of shaping, stretching and forming are realized on one press machine, and the problems that one part is shaped, stretched and formed in the prior art are solved, The three procedures of stretching and forming need a plurality of presses, a plurality of workers, a plurality of operations and a plurality of independent dies, and the efficiency is low.

In the case that there are only three upper dies 4, in order to make the position of the upper die 4 accurate after transposition, the press provided by the present application further includes a transposition cylinder 21 and a positioning cylinder 22, the cylinder body of the transposition cylinder 21 is transversely arranged and fixedly connected to the left side of the upper die fixing base 2, the piston rod of the transposition cylinder 21 is fixedly connected to the sliding die plate 3, when the piston rod of the transposition cylinder 21 is at the extreme limit, the upper dies 4 at both ends of the sliding die plate 3 are at the die pressing position, that is, when the piston rod of the transposition cylinder 21 is at the extreme limit of the extending state, the piston rod of the transposition cylinder 21 corresponds to the die pressing position of one upper die 4 at the extreme side, when the piston rod of the transposition cylinder 21 is at the extreme limit of the extending state, the cylinder body of the positioning cylinder 22 is transversely arranged and fixedly connected to the right side of the upper die fixing base 2, when the piston rod of the positioning cylinder 22 extends to the limit position, the piston rod is abutted by the sliding template 3 so as to position the upper die 4 positioned at the middle position on the sliding template 3, and when the piston rod of the positioning cylinder 22 extends leftwards and moves to the limit position, the end surface of the piston rod of the positioning cylinder 22 is contacted with the right end surface of the sliding template 3 so as to overcome the inertia of the movement of the sliding template 3 to perform mechanical positioning. The positioning cylinder 22 is used as a cylinder, and the piston rod of the cylinder has a high moving speed, which is faster than the moving speed of the piston rod of the transposition cylinder 21, so that the piston rod of the positioning cylinder 22 reaches the die pressing position first, and the piston rod section of the positioning cylinder 22 is abutted against the right end face of the sliding die plate 3. In addition, if the number of the upper molds 4 of the press machine is N, the number of the positioning cylinders 22 is N-2, and after the upper molds 4 at both ends are removed, each positioning cylinder 22 corresponds to one upper mold 4 at the middle position.

The application provides a press still includes workstation 5, is provided with lower mould 51 ejecting device on workstation 5, and lower mould 51 ejecting device includes lower mould 51 and liftout cylinder 52, and lower mould 51 sets up on the moulding-die position of workstation 5 fixedly, and liftout cylinder 52's ejector pin activity cooperation is in order to push out the part of placing in lower mould 51 on lower mould 51.

In this embodiment, the transposition cylinder 21 and the knockout cylinder 52 are in the same hydraulic system, the hydraulic system is provided with a three-position four-way solenoid valve 211 for controlling the transposition of the transposition cylinder 21 and a knockout three-position four-way solenoid valve 521 for controlling the knockout cylinder 52, and the return oil circuits of the transposition cylinder 21 and the knockout cylinder 52 are provided with one-way throttle valves.

Correspondingly, the upper die fixing seat 2 is provided with a plurality of position sensors corresponding to the positions of the upper die 4, and the transposition three-position four-way electromagnetic valve 211 receives signals sent by the position sensors to control the transposition cylinder 21.

Meanwhile, two limit sensors 53 are arranged on the working table 5, the limit sensors 53 correspond to two limit positions of a moving path of a mandril of the jacking cylinder 52, and the jacking three-position four-way electromagnetic valve 521 receives signals sent by the limit sensors 53 to control the jacking cylinder 52.

Further, a two-position four-way solenoid valve 221 is disposed in the air passage of the positioning cylinder 22 to control the positioning cylinder 22.

Correspondingly, two inductive switches 222 are arranged on the positioning cylinder 22, the inductive switches 222 correspond to two limit positions of a piston rod of the positioning cylinder 22, and the two-position four-way solenoid valve 221 receives a signal sent by the inductive switches 222 to control the positioning cylinder 22.

In the implementation aspect, in the initial state, the hydraulic pump in the hydraulic system is manually adjusted (or electrically controlled) to move the sliding template 3 to the left to the position sensor corresponding to the leftmost upper mold 4, the piston rod of the positioning cylinder 22 moves to the right to the inductive switch 222 of the right limit, and the ejection rod of the ejection cylinder 52 falls to the lower limit sensor 53 of the ejection cylinder 52.

During working, the press machine is started, the lifting slide block 1 of the press machine runs downwards, the upper die 4 on the rightmost side of the sliding template 3 and the lower die 51 are matched, the lifting slide block 1 of the press machine runs upwards after the die is matched and stops at the upper limit, the first stroke of the press machine is realized, and the first process of the part is completed; starting the press machine, moving the sliding template 3 to the right, electrifying the electromagnetic valve on the left side of the transposition three-position four-way electromagnetic valve 211, pushing the sliding template 3 to move to the right by the piston rod of the transposition cylinder 21 and triggering the position sensor corresponding to the upper die 4 in the middle position, sending a signal by the position sensor, deenergizing the electromagnetic valve on the right side of the transposition three-position four-way electromagnetic valve 211, stopping the movement of the sliding template 3, controlling the two-position four-way electromagnetic valve 221 of the positioning cylinder 22 to be electrified, moving the piston rod of the positioning cylinder 22 to the left to trigger the inductive switch 222 on the left side, (because the moving speed of the piston rod is higher than that of the transposition rod after the positioning cylinder 22 is ventilated, the piston rod of the positioning cylinder 22 can move in place first), moving the lifting slide block 1 of the press machine downwards, closing the upper die 4 and the lower die 51 in the middle of the sliding template 3, moving the lifting slide block 1 of the press machine upwards to the upper limit after closing, the press machine realizes a second stroke, and the part completes a second procedure; starting the press machine, powering off a two-position four-way electromagnetic valve 221 of a positioning cylinder 22, enabling a piston rod of the positioning cylinder 22 to move rightwards and trigger a sensing switch 222 of a right limit position, simultaneously enabling a sliding template 3 to move rightwards and trigger a position sensor of a leftmost lower die 51, sending a signal by the position sensor, enabling an electromagnetic valve on the right side of a transposition three-position four-way electromagnetic valve 211 to be powered on, driving the sliding template 3 to move rightwards continuously by a piston rod of a transposition cylinder 21 until the position sensor of a leftmost upper die 4 is triggered, powering off the electromagnetic valve on the right side of the transposition three-position four-way electromagnetic valve 211, enabling a lifting slide block 1 of the press machine to move downwards at the moment, closing the leftmost upper die 4 and the lower die 51, enabling a lifting slide block 1 of the press machine to move upwards to the limit position after closing the dies, completing the third stroke of the press machine, enabling an ejector rod of an ejector cylinder 52 to move upwards to eject a part in a die cavity of the lower die 51, enabling the ejector rod of the ejector cylinder 52 to move upwards and trigger a limit position sensor 53 at the upper limit position, the electromagnetic valve on the left side of the ejection three-position four-way electromagnetic valve 521, which is used for ascending, of the ejection rod is switched off, the electromagnetic valve on the right side of the ejection three-position four-way electromagnetic valve 521, which controls the ejection rod to fall down, is switched on, the ejection rod of the ejection cylinder 52 moves downwards to trigger the limit position sensor 53 at the lower limit position, the ejection rod falls down, the electromagnetic valve on the right side of the ejection three-position four-way electromagnetic valve 521 is powered off, the ejection rod of the ejection cylinder 52 stops moving, the electromagnetic valve on the left side of the transposition three-position four-way electromagnetic valve 211 is powered on, the sliding template 3 moves leftwards and triggers the position sensor corresponding to the leftmost upper die 4, the electromagnetic valve on the left side of the transposition three-position four-way electromagnetic valve 211 is powered off, the piston rod of the transposition cylinder 21 stops moving, the part completes the third process, and the part is taken out. And after the third procedure is finished, the press returns to the original state to prepare for the next part stamping.

It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the utility model are possible within the scope of the utility model.

Claims

1. Press comprising a lifting slide (1) for a die and a punching device, characterized in that the punching device comprises:

the upper die fixing seat (2) is fixedly connected with a lifting slide block (1) of the press machine;

the sliding template (3) is matched on the upper die fixing seat (2) in a sliding manner in the horizontal direction;

the upper molds (4) are fixed on the sliding template (3) and are linearly arranged along the sliding direction of the sliding template (3).

2. The press machine according to claim 1, further comprising a transposition cylinder (21) and a plurality of positioning cylinders (22), wherein a cylinder body of the transposition cylinder (21) is connected to the upper die fixing seat (2), a piston rod of the transposition cylinder (21) is fixedly connected with the sliding die plate (3), when the piston rod of the transposition cylinder (21) is at an extreme position, the upper dies (4) at two ends of the sliding die plate (3) are at a die pressing position, and when the piston rod of the positioning cylinder (22) extends out to the extreme position, the piston rod is abutted by the sliding die plate (3) to position the corresponding upper dies (4) at positions at two ends of the sliding die plate (3).

3. Press according to claim 2, characterized in that it further comprises a table (5), on said table (5) there being provided lower die (51) ejection means, said lower die (51) ejection means comprising:

the lower die (51), the said lower die (51) is set up on the die position of the said work level (5) fixedly;

and an ejector cylinder (52), wherein an ejector rod of the ejector cylinder (52) is movably matched on the lower die (51).

4. Press according to claim 3, characterized in that said upper dies (4) are three.

5. Press according to claim 4, characterized in that the transposition cylinder (21) and the ejection cylinder (52) are in the same hydraulic system in which are arranged the three-position four-way solenoid valve (211) controlling the transposition of the transposition cylinder (21) and the ejection three-position four-way solenoid valve (521) controlling the ejection cylinder (52).

6. Press according to claim 5, characterized in that said upper die holder (2) is provided with a plurality of position sensors corresponding to the positions of said upper die (4), said solenoid valve (211) receiving the signals sent by said position sensors to control said indexing cylinder (21).

7. Press according to claim 5, characterized in that said table (5) is provided with two limit sensors (53), said limit sensors (53) corresponding to the two limit positions of the path of movement of the ram of said ejection cylinder (52), said ejection three-position four-way solenoid valve (521) receiving the signals emitted by said limit sensors (53) to control said ejection cylinder (52).

8. Press according to claim 2, characterized in that a two-position four-way solenoid valve (221) is arranged in the gas circuit of the positioning cylinder (22).

9. Press according to claim 8, characterized in that said positioning cylinder (22) is provided with two inductive switches (222), said inductive switches (222) corresponding to the two extreme positions of the piston rod of said positioning cylinder (22), said two-position four-way solenoid valve (221) receiving the signal sent by said inductive switches (222) to control said positioning cylinder (22).