CN213108349U

CN213108349U - Hydraulic press

Info

Publication number: CN213108349U
Application number: CN202021209728.2U
Authority: CN
Inventors: 朱国林; 陈建光
Original assignee: Suzhou Yuehai Stretching Machinery Co ltd
Current assignee: Suzhou Yuehai Stretching Machinery Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-05-04
Anticipated expiration: 2030-06-28

Abstract

The utility model provides a hydraulic press, including base, stand, first platen, second platen, first mould, second mould, side push oil cylinder subassembly, top material oil cylinder subassembly, supporting mechanism, locking mechanism and drive oil cylinder subassembly, the supporting mechanism inlays and locates the upper end side of second platen, and in the first state under bracing mechanism salient in the second platen in order to lift the second mould and make the second mould can make reciprocating motion in the first direction along the supporting mechanism, in the second state under bracing mechanism retraction in the second platen; the locking mechanism is embedded at the upper end side of the second bedplate, locks the second die in a locking state in the second state, and releases the locking state of the second die in the first state. The utility model discloses a hydraulic press has realized the automatic aversion and the reloading of second mould through setting up supporting mechanism and locking mechanism cooperation side push oil cylinder subassembly and liftout oil cylinder subassembly, convenient operation, production efficiency height, intensity of labour are little and the security is high.

Description

Hydraulic press

Technical Field

The utility model relates to a hydraulic press especially relates to an automatic hydraulic press that shifts, make things convenient for reloading.

Background

In the existing large standard type oil press, as shown in fig. 1, a main cylinder 3 is arranged on an upper cross beam 2, the main cylinder 3 drives a slide block 5 to move downwards quickly from top to bottom during operation, and an upper die 6 is arranged on the slide block 5 and moves quickly from top to bottom synchronously. When the slide block 5 descends to a certain position, the slide block 5 is slowly moved forward, and the upper die 6 slowly presses the workpiece. After the riveting is finished, the main oil cylinder 3 returns. Then the operation personnel enter into the hydraulic press with both hands or whole upper part of the body and insert and put the tablet work, under some technologies, because put the mould tablet quantity very much, it is very long to need to get and put the operation time, it is very inconvenient to operate, the people are very hard, the efficiency is also very low. The key is that after the general oil press is retracted to the proper position, a safety protection device for preventing the slide block 5 from falling after the main oil cylinder 3 is decompressed is not arranged, so that the danger is very high when a person works in the press.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides an automatic hydraulic press that shifts, make things convenient for reloading, convenient operation, production efficiency are high, intensity of labour is little and the security is high.

The utility model discloses a hydraulic press, including base, stand, first platen, second platen, first mould, second mould, side push oil cylinder subassembly, ejection oil cylinder subassembly, supporting mechanism, locking mechanism and drive oil cylinder subassembly, the base is fixed on the loading end, the stand is installed at the both ends above the base, the first platen and the second platen wear to establish the stand top-down interval setting, the first mould sets up in the lower extreme of the first platen, the second mould sets up in the upper end of the second platen and corresponds with the first mould, wherein, the side push oil cylinder subassembly sets up in the first side of the second mould and is connected with it; the material ejection oil cylinder assembly is inserted into a material ejection hole formed in the second bedplate from the lower end of the second bedplate; the supporting mechanism is embedded at the upper end side of the second bedplate, and in a first state, the supporting mechanism protrudes out of the second bedplate so as to lift the second mould and enable the second mould to reciprocate along the supporting mechanism in a first direction, and in a second state, the supporting mechanism is retracted in the second bedplate; the locking mechanism is embedded at the upper end side of the second bedplate, locks the second die in a locking state in the second state, and releases the locking state of the second die in the first state; and the driving oil cylinder assembly is arranged between the base and the second bedplate and is directly or indirectly abutted against the second bedplate.

Preferably, the supporting mechanism is a plurality of rollers uniformly distributed along the first direction.

Preferably, the locking mechanism is at least one limiting column arranged around the ejection hole.

Preferably, the first platen is provided with an adjusting nut corresponding to the upright.

Preferably, the second bedplate is provided with a guide sleeve corresponding to the upright post, and the upright post can be movably embedded in a central hole of the corresponding guide sleeve up and down.

Preferably, the second platen is provided with a positioning mechanism adjacent to the first side to limit the second mold to a pressing position corresponding to the first mold.

Preferably, the hydraulic machine further comprises a crankshaft mechanism, the crankshaft mechanism is arranged between the base and the second platen, and the crankshaft mechanism is connected with the driving oil cylinder assembly.

Preferably, the crankshaft mechanism comprises an upper base, a lower base, an upper connecting rod, a lower connecting rod and a middle connecting plate, the upper base and the lower base are respectively fixed on the second bedplate and the base, the upper portion of the upper connecting rod is hinged with the upper base, the lower portion of the lower connecting rod is hinged with the lower base, the lower portion of the upper connecting rod and the upper portion of the lower connecting rod are respectively hinged with the middle connecting plate, and the middle connecting plate is connected with a piston rod of the driving oil cylinder assembly.

Preferably, the hydraulic machine further comprises a hydraulic system and an electrical system, the electrical system is provided with a PLC controller, and the side-pushing oil cylinder of the side-pushing oil cylinder assembly, the jacking oil cylinder of the jacking oil cylinder assembly and the driving oil cylinder of the driving oil cylinder assembly are respectively and electrically connected with the PLC controller.

Preferably, the first control system of the supporting mechanism and the second control system of the locking mechanism are electrically connected with the PLC controller respectively.

Compared with the prior art, the utility model discloses a hydraulic press includes base, stand, first platen, the second platen, first mould, the second mould, side pushes away the hydro-cylinder subassembly, ejection hydro-cylinder subassembly, supporting mechanism, locking mechanism and drive hydro-cylinder subassembly, side pushes away the hydro-cylinder subassembly and sets up in the first side of second mould and is connected with it, ejection hydro-cylinder subassembly inlays the ejection hole that sets up on this second platen from the lower extreme of second platen, this supporting mechanism inlays the upper end side of locating this second platen, and this supporting mechanism salient is in this second platen in order to lift this second mould and make this second mould can make reciprocating motion along this supporting mechanism in the first direction under the first state, this supporting mechanism retraction is in this second platen under the second state; the locking mechanism is embedded at the upper end side of the second bedplate, locks the second die in a locking state in the second state, and releases the locking state of the second die in the first state; and the driving oil cylinder assembly is arranged between the base and the second bedplate and is directly or indirectly abutted against the second bedplate. The utility model discloses a hydraulic press has realized the automatic aversion and the reloading of second mould through setting up supporting mechanism and locking mechanism cooperation side push oil cylinder subassembly and liftout oil cylinder subassembly, convenient operation, production efficiency height, intensity of labour are little and the security is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art hydraulic machine;

fig. 2 is a schematic view of a hydraulic machine according to an embodiment of the present invention.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Please refer to fig. 2, fig. 2 is a schematic diagram of a hydraulic machine according to an embodiment of the present invention, the hydraulic machine of the present invention includes a base 10, a column 11, a first platen 12, a second platen 13, a first mold 14, a second mold 15, a side-pushing cylinder assembly 16, a jacking cylinder assembly 17, a supporting mechanism 18, a locking mechanism 19 and a driving cylinder assembly 21, the base 10 is fixed on a carrying surface (e.g., ground or a workbench), the column 11 is installed at two ends above the base 10, the first platen 12 and the second platen 13 are installed at intervals from top to bottom on the column 11, the first mold 14 is installed at the lower end of the first platen 12, and the second mold 15 is installed at the upper end of the second platen 12 and corresponds to the first mold 14. The side-pushing cylinder assembly 16 is disposed on a first side of the second mold 15 and connected thereto, the jacking cylinder assembly 17 is inserted into a jacking hole (not shown) disposed on the second platen 13 from a lower end of the second platen 13, and the driving cylinder assembly 21 is disposed between the base 10 and the second platen 13 and directly or indirectly abutted against the second platen 13. The supporting mechanism 18 is embedded in the upper end side of the second platen 13, and in the first state, the supporting mechanism 18 protrudes out of the second platen 13 to lift the second mold 15 and enable the second mold 15 to reciprocate in the first direction X along the supporting mechanism 18, and in the second state, the supporting mechanism 18 is retracted into the second platen 13. The lock mechanism 19 is also embedded in the upper end side of the second platen 13, and locks the second mold 15 in the locked state in the second state, and releases the locked state of the second mold 15 in the first state.

After the pressing in the previous working cycle is completed, the hydraulic machine of the present invention drives the cylinder assembly 21 to drive the second platen 13 to move, the first mold 14 and the second mold 15 are opened, the ejection cylinder assembly 17 jacks up the workpiece, the locking mechanism 19 releases the locking state, which is defined as the first state, the supporting mechanism 18 jacks up the second mold 15 (for example, the lifting distance is 0.5mm higher than the second platen, but not limited to this), the side-pushing cylinder assembly 16 pushes the second mold 15 separated from the second platen 13 out to the outer side of the hydraulic machine along the supporting mechanism 18, when the operator or the robot places the workpiece to be processed on the second mold 15, the side-pushing cylinder assembly 16 pulls the second platen 13 back to the pressing position, which is defined as the second state, the supporting mechanism 18 retracts into the second platen 13, the second mold 15 resets to correspond to the first mold 14, the locking mechanism 19 automatically locks the second mold 15 in the locking state, the cylinder assembly 21 is then driven to drive the second platen 13 to move upward until the first mold 14 and the second mold 15 are closed, so as to press the workpiece to be processed.

In conclusion, the utility model discloses a hydraulic press has realized the automatic aversion and the reloading of second mould 15 through setting up supporting

mechanism

18 and 19 cooperation side thrust cylinder subassembly 16 of locking mechanism and liftout cylinder subassembly 17, and convenient operation, production efficiency height, intensity of labour are little and the security is high.

In this embodiment, the hydraulic machine further includes a hydraulic system 22 and an electrical system 23, the electrical system 22 is provided with a PLC controller, and the side-pushing cylinder of the side-pushing cylinder assembly 16, the material-ejecting cylinder of the material-ejecting cylinder assembly 17, and the driving cylinder of the driving cylinder assembly 21 are electrically connected to the PLC controller, respectively. The system of the PLC controller is good in reliability, low in failure rate and convenient to operate. The hydraulic system 22 is a conventional technique, mainly composed of a power mechanism (servo motor or ordinary motor), a control mechanism, an actuator and a working medium, and transmits pressure through hydraulic oil, and has the characteristics of light weight, high power, simple structure, low energy consumption, and the like, and will not be described herein again.

In the embodiment, the supporting mechanism 18 is a plurality of rollers 180 uniformly distributed along the first direction X, and considering that the friction force of the rollers is small, it is more convenient for the second mold 15 to move, and of course, the supporting mechanism 18 may also be other structures, such as a sliding rail structure. In addition, the supporting mechanism 18 further includes a first control system electrically connected to the PLC controller to automatically control the supporting mechanism 18 to switch between the first state and the second state.

In this embodiment, the locking mechanism 19 is at least one limiting column disposed around the material ejecting hole, but may be other elements having a limiting function. In addition, the locking mechanism 19 further comprises a second control system, and the first control system is electrically connected with the PLC controller to automatically control the locking mechanism 19 to switch between the first state and the second state.

In the present embodiment, the first platen 12 is provided with adjusting nuts 24 corresponding to the columns 11 (the number of the columns 11 may be 2, 4 or other), and when the height of the first platen 12 needs to be adjusted during assembly or due to the size of the workpiece, fine adjustment can be performed by the adjusting nuts 24. The second platen 13 is provided with a guide sleeve (not shown) corresponding to the upright post 11, the upright post 11 can be embedded in the central hole of the corresponding guide sleeve in a relatively up-and-down movable manner, and in a pressing state, under the pushing of the driving oil cylinder assembly 21, the second platen 13 moves upwards until the upright post 11 is embedded in the guide sleeve; after pressing is completed, the second platen 13 is moved downward until the upright 11 is disengaged from the guide bush, under the urging of the drive cylinder assembly 21.

In the present embodiment, the hydraulic machine further includes a crankshaft mechanism 20, the crankshaft mechanism 20 is disposed between the base 10 and the second platen 13, and the crankshaft mechanism 20 is connected to the driving cylinder assembly 21, that is, the driving cylinder assembly 21 is indirectly abutted to the second platen 13 through the crankshaft mechanism 20. Further, the crank mechanism 20 includes an upper base, a lower base, an upper connecting rod, a lower connecting rod, and a middle connecting plate (not shown), the upper base and the lower base are respectively fixed on the second platen 13 and the base 10, an upper portion of the upper connecting rod is hinged to the upper base, a lower portion of the lower connecting rod is hinged to the lower base, a lower portion of the upper connecting rod and an upper portion of the lower connecting rod are respectively hinged to the middle connecting plate, and the middle connecting plate is connected to the piston rod 210 of the driving cylinder assembly 21. The second platen 13 moves up and down by the crank mechanism 20, and can provide a sufficient mold clamping force during mold clamping. Considering that the crank mechanism 20 is known in the art of hydraulic machines, the detailed functioning principle thereof will not be described in detail.

In this embodiment, a positioning mechanism (not shown) is disposed adjacent to the first side of the second platen 13 to limit the second mold 15 to be in a pressing state corresponding to the first mold 14, and when the side-thrust cylinder assembly 16 pulls the second mold 15 with the workpiece placed therein back to a proper position, the positioning mechanism positions the second mold and performs mold closing and pressing. Preferably, the positioning mechanism is a positioning pin.

To sum up, the utility model discloses a hydraulic press has realized the automatic aversion and the reloading of second mould 15 through setting up supporting

mechanism

18 and 19 cooperation side thrust cylinder subassembly 16 of locking mechanism and liftout cylinder subassembly 17, convenient operation, production efficiency height, intensity of labour are little and the security is high.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. Furthermore, the technical features mentioned in the different embodiments of the present invention described above can be combined with each other as long as they do not conflict with each other. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims

1. A hydraulic press is characterized by comprising a base, a stand column, a first platen, a second platen, a first mold, a second mold, a side-push oil cylinder assembly, a material-ejecting oil cylinder assembly, a supporting mechanism, a locking mechanism and a driving oil cylinder assembly, wherein the base is fixed on a bearing surface, the stand column is installed at two ends above the base, the first platen and the second platen penetrate through the stand column and are arranged at intervals from top to bottom, the first mold is arranged at the lower end of the first platen, the second mold is arranged at the upper end of the second platen and corresponds to the first mold,

the side-pushing oil cylinder assembly is arranged on the first side of the second die and connected with the first side of the second die;

the material ejection oil cylinder assembly is inserted into a material ejection hole formed in the second bedplate from the lower end of the second bedplate;

the supporting mechanism is embedded at the upper end side of the second bedplate, and in a first state, the supporting mechanism protrudes out of the second bedplate so as to lift the second mould and enable the second mould to reciprocate along the supporting mechanism in a first direction, and in a second state, the supporting mechanism is retracted in the second bedplate;

the locking mechanism is embedded at the upper end side of the second bedplate, locks the second die in a locking state in the second state, and releases the locking state of the second die in the first state; and

the driving oil cylinder assembly is arranged between the base and the second bedplate and is directly or indirectly abutted against the second bedplate.

2. The hydraulic machine of claim 1 wherein the support mechanism is a plurality of rollers evenly distributed along the first direction.

3. The hydraulic machine of claim 1 wherein the locking mechanism is at least one restraint post disposed around the knockout hole.

4. The hydraulic machine of claim 1 wherein the first platen is provided with an adjustment nut corresponding to the column.

5. The hydraulic machine of claim 1 wherein the second platen is provided with guide sleeves corresponding to the columns, and the columns are movably inserted into the central holes of the corresponding guide sleeves up and down.

6. The hydraulic machine as recited in claim 1 wherein the second platen is provided with a positioning mechanism adjacent the first side to limit the second die to a pressing position corresponding to the first die.

7. The hydraulic machine as recited in claim 1 further comprising a crankshaft mechanism disposed between the base and the second platen, the crankshaft mechanism being connected to the drive cylinder assembly.

8. The hydraulic machine as recited in claim 7 wherein the crank mechanism comprises an upper base, a lower base, an upper connecting rod, a lower connecting rod and an intermediate connecting plate, the upper base and the lower base are fixed to the second platen and the base, respectively, the upper portion of the upper connecting rod is hinged to the upper base, the lower portion of the lower connecting rod is hinged to the lower base, the lower portion of the upper connecting rod and the upper portion of the lower connecting rod are hinged to the intermediate connecting plate, respectively, and the intermediate connecting plate is connected to the piston rod of the drive cylinder assembly.

9. The hydraulic machine of claim 1, further comprising a hydraulic system and an electrical system, the electrical system being provided with a PLC controller, the side thrust cylinder of the side thrust cylinder assembly, the top thrust cylinder of the top thrust cylinder assembly and the drive cylinder of the drive cylinder assembly being electrically connected to the PLC controller, respectively.

10. The hydraulic machine of claim 9, wherein the first control system of the support mechanism and the second control system of the lock mechanism are each electrically connected to the PLC controller.