CN211054501U

CN211054501U - Four-column hydraulic press

Info

Publication number: CN211054501U
Application number: CN201921708920.3U
Authority: CN
Inventors: 雷道义; 肖津
Original assignee: Hubei Aida Petroleum Equipment Co ltd
Current assignee: Hubei Aida Petroleum Equipment Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-21
Anticipated expiration: 2029-10-12

Abstract

The utility model relates to the field of machine-building, a four-column hydraulic press is disclosed, including base, footstock, be provided with the clamp plate between footstock and the base, set up four guide posts that are located the base four corners between base and the base, be provided with the guiding hole that supplies the guide post to pass on the clamp plate, fixedly connected with promotes the clamp plate on the footstock and follows the gliding pneumatic cylinder of guide post, rotates on the base to be connected with the mount table that supplies the work piece installation, is provided with drive mount table pivoted adjusting part in the base. The utility model has the advantages of it is following and effect: the rotation of the mounting table is driven through the transmission of the worm and gear, so that the workpiece can be conveniently rotated during processing, and the rotation is more stable; secondly, a thrust bearing positioned at the bottom of the limiting part is sleeved on the adjusting rotating shaft, so that the friction force of the adjusting rotating shaft is reduced, and the adjustment is smoother; and thirdly, the mounting base is limited by the dovetail groove sliding connection limiting part on the base, so that the stability of the mounting table during workpiece processing is improved.

Description

Four-column hydraulic press

Technical Field

The utility model relates to a machine-building technical field, in particular to four post hydraulic presses.

Background

The four-column hydraulic press is a mechanical equipment for processing metal, plastic, rubber, wood and powder products by utilizing the static pressure of hydraulic oil delivered by an oil pump. It is commonly used in press processes and press forming processes, such as: forging, stamping, cold extruding, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting and the like.

A chinese patent with grant publication number CN209139735U discloses a large-tonnage cold forging hydraulic press die mounting device, including the hydraulic press base, the upper surface of hydraulic press base is fixedly connected with guide post and bed die respectively, and is a plurality of the surface slip grafting of guide post has last mould mounting panel, goes up the fixed surface of mould mounting panel and is connected with the mould, and the surface of going up the mould is corresponding with the surface of bed die, and the equal fixedly connected with roof in top of a plurality of guide posts, the last fixed surface of roof is connected with hydraulic pressure mechanism, the hydraulic pressure axle of hydraulic pressure mechanism and the top fixed connection of last mould mounting panel.

However, the hydraulic machine still has the defects that for the machining of workpieces with complex surfaces, the workpieces need to be rotated so as to realize the step-by-step machining of different positions of the workpieces, the hydraulic machine can only rotate the workpieces manually, the physical power is consumed, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a four post hydraulic presses has the convenient effect of rotation work piece.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a four post hydraulic press, includes base, footstock, is provided with the footstock with clamp plate between the base, the base with set up four between the base and be located the guide post in base four corners, be provided with on the clamp plate and supply the guiding hole that the guide post passed, fixedly connected with promotes on the footstock the clamp plate is followed the gliding pneumatic cylinder of guide post, it is connected with the mount table that supplies die holding to rotate on the base, be provided with the drive in the base mount table pivoted adjusting part.

Through adopting above-mentioned technical scheme, will wait to process and supply the piece to fix on the mount table, the pneumatic cylinder that sets up on the footstock drives the clamp plate through the piston rod and processes the work piece, and the clamp plate slides along four guide posts, has prevented the skew of clamp plate in the course of working, has improved the stability of clamp plate, when needs rotate the work piece, rotates the adjusting part who sets up in the base, drives the mount table and rotates, realizes the rotation to the work piece.

The utility model discloses a further set up to: the adjusting assembly comprises an adjusting rotating shaft arranged at the bottom of the mounting table, an adjusting hole for the adjusting rotating shaft to penetrate is formed in the base, an adjusting worm wheel is arranged on the adjusting rotating shaft, an adjusting worm meshed with the adjusting worm wheel is connected to the base in a rotating mode, a polygonal rotating groove is formed in one end of the base, and an adjusting handle for driving the adjusting worm to rotate is inserted into the rotating groove.

By adopting the technical scheme, when the workpiece is rotated, the adjusting handle is inserted into the rotating groove, the adjusting handle is rotated to drive the adjusting worm to rotate, the adjusting worm is meshed with the adjusting worm wheel arranged on the adjusting rotating shaft to drive the adjusting rotating shaft to rotate, and the rotation of the multiple mounting platforms is realized through the transmission of the worm wheel and the worm, so that the transmission is more stable; the transmission of the adjusting handle is transmitted to the adjusting worm through the polygonal rotating groove, so that the adjusting handle can be conveniently disassembled and assembled.

The utility model discloses a further set up to: the adjusting rotating shaft is provided with a limiting portion, the base is provided with a limiting groove for embedding the limiting portion, the limiting groove is provided with a limiting plate for limiting the adjusting rotating shaft to be separated from the limiting groove, and the limiting plate is provided with a rotating shaft hole for the adjusting rotating shaft to extend out.

Through adopting above-mentioned technical scheme, set up spacing portion in adjusting the pivot, adjust the pivot and pass spacing hole, the limiting plate is fixed at spacing inslot, has realized the axial fixity to adjusting the pivot, has improved the stability of adjusting the pivot.

The utility model discloses a further set up to: the adjusting rotating shaft is sleeved with a thrust bearing positioned at the bottom of the limiting part.

Through adopting above-mentioned technical scheme, the cover is equipped with and is located on adjusting the pivot the thrust bearing of spacing portion bottom has reduced the frictional force of adjusting the pivot in the rotation process, makes the regulation more smooth and easy.

The utility model discloses a further set up to: the base is connected with a limiting part for limiting the rotation of the mounting table in a sliding mode, the limiting part is provided with a limiting convex part, and the mounting table is provided with a plurality of limiting grooves which are annularly distributed on the outer circle of the mounting table and used for embedding the limiting part.

Through adopting above-mentioned technical scheme, the spacing inslot on the locating part is slided and makes spacing convex part imbed the mount table realizes restricting the rotation of mount table, has improved the stability of mount table in the course of working.

The utility model discloses a further set up to: the mounting table is provided with a dovetail groove for the limiting part to be inserted in a sliding mode, and the limiting part is in threaded connection with a limiting bolt for limiting the limiting part to slide in the dovetail groove.

Through adopting above-mentioned technical scheme, connect spacing bolt on the locating part, fix the locating part on the spacing groove through screwing up spacing bolt, improved the stability of locating part when spacing.

The utility model has the advantages that: the rotation of the mounting table is driven through the transmission of the worm and gear, so that the workpiece can be conveniently rotated during processing, and the rotation is more stable; secondly, a thrust bearing positioned at the bottom of the limiting part is sleeved on the adjusting rotating shaft, so that the friction force of the adjusting rotating shaft in the rotating process is reduced, and the adjustment is smoother; and thirdly, the mounting base is limited by the dovetail groove sliding connection limiting part on the base, so that the stability of the mounting table during workpiece processing is improved.

Drawings

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

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

Fig. 2 is a schematic view of the adjustment assembly.

Fig. 3 is an enlarged view at a.

In the figure, 1, a base; 11. a guide post; 12. a dovetail groove; 2. a top plate; 21. a hydraulic cylinder; 3. pressing a plate; 4. an installation table; 41. adjusting the rotating shaft; 411. adjusting the turbine; 412. adjusting the worm; 413. a limiting part; 42. a thrust bearing; 43. a limiting plate; 44. a limiting groove; 5. a limiting member; 51. a limit bolt; 52. a limit convex part.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The embodiment provides a four-column hydraulic machine, as shown in fig. 1, which includes a base 1, a top seat, a pressing plate 3 arranged between the top seat and the base 1, four guide columns 11 arranged at four corners of the base 1 and fixedly connected between the base 1 and the base 1, a guide hole for the guide column 11 to pass through is arranged on the pressing plate 3, a hydraulic cylinder 21 is fixedly connected to the upper end surface of the top seat, a piston rod of the hydraulic cylinder 21 extends into and out of the end portion of the top plate 2 and is connected to the pressing plate 3, so as to push the pressing plate 3 to rotate along the guide columns 11, the base 1 is provided with a mounting table 4 for mounting a workpiece, the workpiece is arranged on the mounting table 4, and the pressing plate 3 is driven by the hydraulic cylinder.

As shown in fig. 1 and 2, the middle of the mounting table 4 is provided with an adjusting hole, the bottom of the mounting base is connected with an adjusting rotating shaft 41 through a bolt, the adjusting rotating shaft 41 extends into the adjusting hole, is rotatably connected with the base 1, an adjusting worm wheel 411 is arranged on the adjusting rotating shaft 41, an adjusting worm 412 meshed with the adjusting worm wheel 411 is rotatably connected on the base 1, a polygonal rotating groove is arranged at one end of the adjusting worm 412 extending out of the base 1, an adjusting handle is inserted in the rotating groove and rotates, the adjusting worm wheel 411 is driven to rotate through the rotation of the adjusting worm 412, thereby realize adjusting the rotation of bolted connection at the mount pad of adjusting the pivot 41 tip, adjust and be provided with spacing portion 413 on the pivot 41, set up spacing groove 44 on the base 1, insert spacing portion 413 in spacing groove 44 and connect limiting plate 43 on spacing groove 44 to the axial displacement of restriction regulation pivot 41. The adjusting rotating shaft 41 is sleeved with a thrust bearing 42 positioned at the bottom of the limiting part 413, so that the friction force of the adjusting rotating shaft 41 in the rotating process is reduced.

As shown in fig. 1 and 3, two dovetail grooves 12 located on two sides of the mount base are arranged on the base 1, a limiting part 5 is connected in the dovetail grooves 12 in a sliding manner, a limiting convex part 52 is arranged on the limiting part 5, a plurality of limiting grooves 44 annularly distributed on the excircle of the mount base 4 are arranged on the mount base 4, the limiting part 5 is slid to enable the limiting convex part 52 arranged on the limiting part 5 to be embedded into the limiting groove 44 to limit the mount base, a limiting bolt 51 is connected on the limiting part 5 in a threaded manner, and the limiting bolt 51 is screwed to fix the position of the limiting part 5 in the dovetail grooves 12, so that the limiting stability is improved.

When the four-column hydraulic press is used, a workpiece to be machined is fixed on the mounting table 4, the hydraulic cylinder 21 arranged on the top seat drives the pressing plate 3 to machine the workpiece through the piston rod, the pressing plate 3 slides along the four guide columns 11, the deviation of the pressing plate 3 in the machining process is prevented, the stability of the pressing plate 3 is improved, when the workpiece needs to be rotated, the adjusting handle extends into the adjusting groove and rotates, the mounting seat is rotatably adjusted, the limiting convex part 52 is embedded into the limiting groove 44 when the limiting part 5 slides and the limiting bolt 51 is screwed to limit the mounting seat, the workpiece is machined again, and the effect of convenience in rotating the workpiece is achieved.

Claims

1. A four-column hydraulic press is characterized in that: including base (1), footstock, be provided with the footstock with clamp plate (3) between base (1), base (1) with set up four between base (1) and be located guide post (11) in base (1) four corners, be provided with the confession on clamp plate (3) the guiding hole that guide post (11) passed, fixedly connected with promotes on the footstock clamp plate (3) are followed guide post (11) gliding pneumatic cylinder (21), it is connected with mount table (4) that supply the work piece installation to rotate on base (1), be provided with the drive in base (1) mount table (4) pivoted adjusting part.

2. A four column hydraulic machine as claimed in claim 1 wherein: the adjusting component comprises an adjusting rotating shaft (41) arranged at the bottom of the mounting table (4), an adjusting hole for allowing the adjusting rotating shaft (41) to pass through is formed in the base (1), an adjusting turbine (411) is arranged on the adjusting rotating shaft (41), an adjusting worm (412) meshed with the adjusting turbine (411) is connected to the base (1) in a rotating mode, the adjusting worm (412) stretches out of a polygonal rotating groove formed in one end of the base (1), and a driving adjusting handle for driving the adjusting worm (412) to rotate is connected to the rotating groove in a inserting mode.

3. A four column hydraulic machine as claimed in claim 2 wherein: adjust and be provided with spacing portion (413) on pivot (41), be provided with the confession on base (1) spacing groove (44) of spacing portion (413) embedding, be provided with the restriction on spacing groove (44) adjust pivot (41) and break away from limiting plate (43) of spacing groove (44), be provided with the confession on limiting plate (43) adjust the pivot hole that pivot (41) stretched out.

4. A four column hydraulic machine as claimed in claim 3 wherein: the adjusting rotating shaft (41) is sleeved with a thrust bearing (42) located at the bottom of the limiting part (413).

5. A four column hydraulic machine as claimed in claim 1 wherein: sliding connection has the restriction on base (1) mount table (4) pivoted locating part (5), be provided with spacing convex part (52) on locating part (5), be provided with on mount table (4) a plurality of ring type distribute in mount table (4) excircle confession limiting groove (44) of locating part embedding.

6. A four-column hydraulic machine according to claim 5, wherein: the mounting table (4) is provided with a dovetail groove (12) for the limiting part (5) to be inserted in a sliding mode, and the limiting part (5) is connected with a limiting bolt (51) in a threaded mode, wherein the limiting part (5) is located in the dovetail groove (12) in a sliding mode.