CN214236010U

CN214236010U - Cold extrusion molding oil press

Info

Publication number: CN214236010U
Application number: CN202120039707.9U
Authority: CN
Inventors: 安俊伟; 李四军; 常娟
Original assignee: Zhengzhou Longteng Forging Machinery Equipment Co ltd
Current assignee: Zhengzhou Longteng Forging Machinery Equipment Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-21
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to a cold extrusion moulding hydraulic press reduces and pushes down the probability that the platform pressed and causes the accident on the user's body, including the fuselage, the fuselage includes objective table, pushes down platform and a plurality of stand, and the vertical setting of stand is on the objective table, and push down platform sliding connection is on the stand, and the one end of keeping away from the objective table on the stand is provided with the mount table, is provided with on the mount table to be used for driving the gliding pneumatic cylinder of push down platform, the last one side of being close to the objective table of push down platform is provided with early warning mechanism, and early warning mechanism is used for controlling the pneumatic cylinder stop action. This application has the effect that reduces and pushes down the probability that the platform pressed to cause the accident on one's body the user.

Description

Cold extrusion molding oil press

Technical Field

The application relates to the technical field of oil presses, in particular to a cold extrusion forming oil press.

Background

The hydraulic press has wide application and can be used for cutting, punching, bending, riveting, forming and other processes, and the press applies strong pressure to the metal blank to enable the metal to generate plastic deformation and fracture so as to finish the processing of parts.

The related hydraulic machine comprises an objective table, a lower pressing table and an upright post, wherein the upright post is vertically arranged on the objective table, an installation table is arranged at the upper end of the upright post, and the lower pressing table is connected to the upright post in a sliding manner and is positioned between the objective table and the installation table. The hydraulic cylinder is vertically arranged on the mounting table, the cylinder body of the hydraulic cylinder is fixed on the mounting table, the piston rod of the hydraulic cylinder is fixed on the lower pressing table, and a user can stretch out and draw back the lower pressing table on the stand column by controlling the hydraulic cylinder, so that the lower pressing table is controlled to abut against the objective table, and workpieces placed on the objective table are processed.

The above prior art solutions have the following drawbacks: in the hydraulic cylinder extension and the descending process of the driving pushing platform, when a user operates in violation, and places a workpiece on the objective table, the pushing platform is easy to press on the hand or body of the user, so that potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that the platform of pushing down pressed to cause the accident on the user's body, this application provides a cold extrusion forming hydraulic press.

The application provides a cold extrusion oil press adopts following technical scheme:

the utility model provides a cold extrusion oil press, includes the fuselage, and the fuselage includes objective table, push down platform and a plurality of stand, and the vertical setting of stand is on the objective table, and push down platform sliding connection is on the stand, and the one end of keeping away from the objective table on the stand is provided with the mount table, is provided with on the mount table to be used for driving the gliding pneumatic cylinder of push down platform, the last one side of being close to the objective table of push down platform is provided with early warning mechanism, and early warning mechanism is used for controlling the pneumatic cylinder stop motion.

Through adopting above-mentioned technical scheme, through setting up the stand on the objective table, sliding connection pushes down the platform on the stand, set up the pneumatic cylinder on the mount table, thereby make the pneumatic cylinder can drive and push down the vertical slip of platform, and then make and push down the platform can the butt on the objective table, reach the effect that makes push down platform and objective table extrusion work piece and processing, through setting up early warning mechanism on pushing down the platform, when early warning mechanism contact user personnel, early warning mechanism can control the pneumatic cylinder stop motion, thereby prevent that the pneumatic cylinder from continuing to drive and push down the platform whereabouts and press on user personnel hand, thereby have the effect that reduces and push down the platform and press the probability that causes the accident on user personnel.

Optionally, early warning mechanism includes slider and switch, and slider sliding connection is on pushing down the bench, and the slip direction of slider is vertical direction, and the switch setting is on pushing down the bench, and the slider is used for butt and trigger switch, and the switch sets up to normally closed switch, and the switch is established ties on the power supply circuit at the oil pump place in the pneumatic cylinder hydro-cylinder.

Through adopting above-mentioned technical scheme, through sliding connection slider on the platform of pushing down, set up the switch on the platform of pushing down, when the platform of pushing down was pressed on the user's body, the user's butt was on the slider and made the slider slip to make the slider can butt on the switch and control the pneumatic cylinder stop action, prevent that the platform of pushing down from continuing to fall.

Optionally, the early warning mechanism further comprises a spring, one end of the spring is fixed on the pressing platform, the other end of the spring is fixed on the sliding block, and the spring is used for enabling the sliding block to be disconnected with the switch in a natural state.

Through adopting above-mentioned technical scheme, through set up the spring on the slider, make the spring fix under and between platform and the slider to make the spring can push up on the slider and make the slider keep away from the switch under natural state.

Optionally, an abutting block for triggering the switch is arranged on the sliding block.

Through adopting above-mentioned technical scheme, through setting up the butt piece on the slider, make the butt piece can remove and push up on the switch along with the slider to trigger switch through setting up the butt piece on the slider, makes the required gliding distance of slider trigger switch reduce, plays the effect that makes early warning mechanism response speed promote.

Optionally, an electromagnet magnetically connected with the slider is arranged on the pressing table.

Through adopting above-mentioned technical scheme, through set up the electro-magnet on pushing down the bench, make the electro-magnet can adsorb the slider, when the slider slides and the butt on the switch, the slider can adsorb on the electro-magnet and keep the butt on the switch to make the pushing down the bench and can stop the action, make things convenient for the user to shift out from pushing down the bench below.

Optionally, a pressing part and an extending part are arranged on the pressing platform, the pressing part is located on the upper side of the objective table, the extending part is located on the outer side of the objective table, and the early warning mechanism is located on the extending part.

Through adopting above-mentioned technical scheme, through opening on the lower platen and establishing splenium and extension, make the splenium be used for the butt on the objective table, when the lower platen falls to the butt on the objective table, the early warning mechanism on the extension does not contact with the objective table to make the switch keep closed, the pneumatic cylinder can stretch out and draw back smoothly.

Optionally, the sliding block is arranged in a long strip structure.

Through adopting above-mentioned technical scheme, set up to rectangular shape structure through making the slider, make the surface area increase of slider to make the user of being located push down the platform below can great probability contact slider, play the effect that promotes the fuselage security.

Optionally, the extension portion is provided with four early warning mechanisms, and the four sliding blocks form a frame-shaped mechanism in a surrounding mode.

Through adopting above-mentioned technical scheme, through setting up four early warning mechanisms on the extension, make four sliders enclose into frame type mechanism to promote the probability that the user contacted the slider, and then promote fuselage security.

To sum up, the beneficial technical effect of this application does:

1. the lower pressing table is arranged on the mounting table, so that the hydraulic cylinder can drive the lower pressing table to vertically slide, the lower pressing table can be abutted against the object stage, the effect of enabling the lower pressing table and the object stage to extrude and process a workpiece is achieved, the early warning mechanism is arranged on the lower pressing table, when the early warning mechanism contacts with a user, the early warning mechanism can control the hydraulic cylinder to stop acting, the hydraulic cylinder is prevented from continuously driving the lower pressing table to fall and press the lower pressing table on the hand of the user, and the effect of reducing the probability of accidents caused by the fact that the lower pressing table presses the user is achieved;

2. the sliding block is connected on the lower pressing table in a sliding mode, the switch is arranged on the lower pressing table, when the lower pressing table presses the body of a user, the user abuts against the sliding block and slides the sliding block, so that the sliding block can abut against the switch and controls the hydraulic cylinder to stop moving, and the lower pressing table is prevented from continuously falling;

3. through set up the electro-magnet on pushing down the bench, make the electro-magnet can adsorb the slider, when the slider slides and butt on the switch, the slider can adsorb on the electro-magnet and keep the butt on the switch to make the platform of pushing down can stop the action, make things convenient for the user to shift out from the platform below of pushing down.

Drawings

Fig. 1 is a first schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of the embodiment of the present application.

FIG. 3 is a schematic view, partly in section, of an embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Reference numerals: 1. a body; 11. an object stage; 12. pressing down the platform; 121. accommodating grooves; 122. a pressing part; 123. an extension portion; 13. a column; 14. an installation table; 2. a hydraulic cylinder; 3. an early warning mechanism; 31. a slider; 32. a spring; 33. a switch; 34. a butting block; 4. an electromagnet.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a cold extrusion molding oil press. Referring to fig. 1 and 2, the device comprises a body 1, wherein the body 1 comprises an object stage 11, a lower pressing stage 12 and four upright posts 13. The object stage 11 is provided with a horizontal plane for placing a workpiece to be processed, and the four upright columns 13 are vertically arranged on the horizontal plane of the object stage 11. The lower pressing table 12 is horizontally arranged above the object stage 11, and the lower pressing table 12 is connected with the upright column 13 in a sliding mode. An installation platform 14 is arranged on one end of the upright post 13 far away from the object platform 11, and the lower pressing platform 12 is arranged between the object platform 11 and the installation platform 14. The mounting table 14 is provided with a hydraulic cylinder 2 for driving the push-down table 12 to slide vertically. The hydraulic cylinder 2 is vertically arranged, and the cylinder body of the hydraulic cylinder 2 is fixed on the mounting table 14. The end part of a piston rod of the hydraulic cylinder 2 is fixed on the lower pressing table 12, a user can vertically slide the lower pressing table 12 under the driving of the hydraulic cylinder 2 by controlling the extension of the hydraulic cylinder 2, so that the lower pressing table 12 can abut against a workpiece on the objective table 11 and extrude the objective table 11, and the workpiece is extruded and processed.

Referring to fig. 3 and 4, the lower platen 12 is provided with an early warning mechanism 3, and the early warning mechanism 3 is used for controlling the hydraulic cylinder 2 to stop operating. The warning mechanism 3 includes a slider 31, a spring 32, and a switch 33. Holding groove 121 has been seted up on the surface that is close to objective table 11 on the lower pressure platform 12, and slider 31 sliding connection is in holding groove 121, and the slip direction of slider 31 is vertical direction. The spring 32 is vertically arranged in the accommodating groove 121, one end of the spring 32 is fixed at the bottom of the accommodating groove 121, and the other end of the spring is fixed on the sliding block 31. The spring 32 is arranged at the bottom of the accommodating groove 121, and the slider 31 can slide and abut on the spring 32, so that the spring 32 is triggered. The spring 32 is set as a normally closed switch, the spring 32 is connected in series with a power circuit where an oil pump in the oil cylinder of the hydraulic cylinder 2 is located, when the slider 31 triggers the spring 32, the spring 32 enables the oil pump of the hydraulic cylinder 2 to be powered off and stop acting, and the pressing platform 12 is static at the moment, so that the pressing platform 12 is reduced from pressing down on objects or people, and the effect of protecting the machine body 1 and users is achieved. The spring 32 has an effect of disconnecting the slider 31 from the switch 33 in a natural state of the slider 31. In a natural state, the spring 32 pushes the slider 31, thereby causing the slider 31 to protrude from the receiving groove 121.

Referring to fig. 4, the slider 31 is provided with an abutting block 34 for abutting against the switch 33, the abutting block 34 is provided on a side surface of the slider 31 close to the switch 33, when a user or an object abuts against the slider 31, the pressing table 12 is pressed down by the hydraulic cylinder 2, at this time, the slider 31 slides in the accommodating groove 121 until the abutting block 34 contacts the switch 33, and the distance that the slider 31 needs to slide to trigger the switch 33 is reduced by providing the abutting block 34 on the slider 31, so that the early warning mechanism 3 can rapidly control the stop of the hydraulic cylinder 2, and the safety of the machine body 1 is improved.

Referring to fig. 4, two electromagnets 4 are disposed in the accommodating groove 121, and the electromagnets 4 are connected to a power supply circuit and are energized. The electromagnet 4 is used for being magnetically connected to two ends of the sliding block 31, when the sliding block 31 is pushed into the accommodating groove 121, and the abutting block 34 abuts on the switch 33, the electromagnet 4 can adsorb the sliding block 31, so that the switch 33 keeps an open circuit state, and the effect of protecting a user from withdrawing from the lower part of the pressing table 12 is achieved.

Referring to fig. 2 and 3, the side length of the lower platen 12 is greater than the side length of the upper surface of the object stage 11, a lower pressing portion 122 and an extending portion 123 are disposed on the lower surface of the lower platen 12, the lower pressing portion 122 is located above the object stage 11, and the extending portion 123 is located outside the object stage 11. The receiving groove 121 is opened on the extending portion 123. The pressing portion 122 is configured to abut against the stage 11 and press the workpiece when the pressing portion 12 is lowered, and the extending portion 123 is located outside the stage 11 when the pressing portion 122 abuts against the stage 11, so that the stage 11 cannot come into contact with the slider 31, and the warning mechanism 3 cannot stop the operation of the hydraulic cylinder 2 when the pressing portion 12 presses the workpiece.

Referring to fig. 3 and 4, four accommodating grooves 121 are formed in the pressing table 12, and an early warning mechanism 3 is disposed in each accommodating groove 121. The slider 31 sets up to rectangular shape, and four sliders 31 all set up on extension 123 and enclose into the frame type, through set up a plurality of early warning mechanisms 3 on pushing down the platform 12, make and push down the bench 12 on the optional position card homoenergetic trigger pneumatic cylinder 2 outage on the article, promote the 1 security of fuselage.

The implementation principle of the embodiment of the application is as follows: through set up holding tank 121 on pushing down platform 12, set up early warning mechanism 3 in holding tank 121, make slider 31 can push up on switch 33 through sliding, and then make switch 33 can control pneumatic cylinder 2 outage and stop the action, play and reduce and push down platform 12 and push up the probability on the article or the user's person to reduce the probability that causes the accident or pushes down platform 12 and damage.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cold extrusion molding hydraulic press, including fuselage (1), fuselage (1) includes objective table (11), push down platform (12) and a plurality of stand (13), stand (13) vertical setting is on objective table (11), push down platform (12) sliding connection is on stand (13), the one end of keeping away from objective table (11) on stand (13) is provided with mount table (14), be provided with on mount table (14) and be used for driving push down gliding pneumatic cylinder (2) of platform (12), its characterized in that: and an early warning mechanism (3) is arranged on one side, close to the objective table (11), of the lower pressing table (12), and the early warning mechanism (3) is used for controlling the hydraulic cylinder (2) to stop acting.

2. The cold extrusion press as claimed in claim 1, wherein: early warning mechanism (3) are including slider (31) and switch (33), slider (31) sliding connection on push down platform (12), and the slip direction of slider (31) is vertical direction, and switch (33) set up on push down platform (12), and slider (31) are used for the butt and trigger switch (33), and switch (33) set up to the switch of normally closed, and switch (33) establish ties on the power supply circuit at the oil pump place in pneumatic cylinder (2) hydro-cylinder.

3. The cold extrusion press as claimed in claim 2, wherein: the early warning mechanism (3) further comprises a spring (32), one end of the spring (32) is fixed on the lower pressing platform (12), the other end of the spring (32) is fixed on the sliding block (31), and the spring (32) is used for enabling the sliding block (31) to be disconnected with the switch (33) in a natural state.

4. A cold extrusion press as claimed in claim 3, wherein: the sliding block (31) is provided with an abutting block (34) for triggering the switch (33).

5. The cold extrusion press as claimed in claim 4, wherein: and an electromagnet (4) magnetically connected with the sliding block (31) is arranged on the lower pressing table (12).

6. The cold extrusion press as claimed in claim 5, wherein: the lower pressing platform (12) is provided with a lower pressing part (122) and an extending part (123), the lower pressing part (122) is located on the upper side of the objective table (11), the extending part (123) is located on the outer side of the objective table (11), and the early warning mechanism (3) is located on the extending part (123).

7. The cold extrusion press as claimed in claim 6, wherein: the sliding block (31) is arranged to be of a long strip-shaped structure.

8. The cold extrusion press as claimed in claim 7, wherein: four early warning mechanisms (3) are arranged on the extension part (123), and the four sliding blocks (31) form a frame-shaped mechanism in a surrounding mode.