CN218227984U - Oil press for servo cold extrusion - Google Patents

Abstract

The utility model discloses a servo cold extruded hydraulic press, include: the footstock, the even fixed mounting in bottom of footstock has four group's direction support bars, and the direction support bar keeps away from the one end of footstock and the installation of the upside surface spiro union of base fixed, and the top movable mounting of base has the seat of going up and down simultaneously to the upper surface of seat of going up and down passes through bolt and hydraulic drive pole fixed connection, and the left side demolding structure is installed in the inside left side of base. This servo cold extrusion's hydraulic press, under the drive of hydraulic drive pole, make the lift seat move down, the bottom of the lift seat at this moment pushes down the work to the long post, ejecting post move down this moment, go up the mould joint inside the die cavity, push down the work to its inside work piece, after the area shaping finishes, go up mould rebound, under reset spring's drive, can carry out ejecting work with the fashioned product that is located the die cavity inside, form quick drawing of patterns work, the work efficiency of hydraulic press is improved.

Description

Oil press for servo cold extrusion

Technical Field

The utility model relates to an oil press field specifically is a servo cold extruded oil press.

Background

At present, the cold extrusion technology has been widely applied in the industrial departments of fasteners, machinery, instruments, electrical appliances, light industry, aerospace, ships, military industry and the like, and has become one of the indispensable important processing means in the metal plastic volume forming technology; in recent years, in domestic servo oil presses, because a traditional common three-phase asynchronous motor is replaced by a servo motor, and a traditional variable pump is replaced by a quantitative pump set, the servo oil press has the advantages of energy conservation, noise reduction and the like.

However, when the upper die and the lower die are mounted on the pressing station of the oil press during cold extrusion molding, the product is subjected to stress molding in the lower die, and is easily clamped in the die cavity in the lower die, so that the product is not easy to take out, and needs to be manually taken out, and the product is very inconvenient to use.

Disclosure of Invention

An object of the utility model is to provide a servo cold extruded hydraulic press to solve the defect mentioned in the above-mentioned background art.

In order to achieve the above object, there is provided a servo cold extrusion hydraulic press, comprising:

the hydraulic lifting device comprises a top seat, four groups of guide supporting rods are uniformly and fixedly mounted at the bottom of the top seat, one ends, far away from the top seat, of the guide supporting rods are fixedly connected with the upper side surface of a base in a screwed mode, a lifting seat is movably mounted above the base, the upper surface of the lifting seat is fixedly connected with a hydraulic driving rod through bolts, a left mold stripping structure is mounted on the left side inside the base, a right mold stripping structure is mounted on the right side inside the base, a quick primary-secondary cylinder is mounted on the top seat and is communicated with an oil tank inside a hydraulic station through a hydraulic oil pipe, the bottom of a long column of the left mold stripping structure is fixedly welded with a fixed plate, and the upper right side of the fixed plate is fixedly welded with an ejection column;

an upper die is screwed at the bottom of the lifting seat, a lower die is arranged on the upper side surface of the base, a die cavity is formed in the lower die, and ejection columns are movably arranged on two sides in the die cavity; a top plate is installed in the hole groove in the middle of the upper die, and a supporting spring is connected above the top plate; the middle part of the lower die below the top plate is provided with a fixed punch, and the lower end of the fixed punch is fixed on the base.

Preferably, the surface both sides of lift seat have all been seted up the guiding hole, and peg graft in the guiding hole on the lift seat and have led to the support pole to the bottom outside of lift seat bonds and has warned the sticker.

Preferably, a spring is sleeved outside the fixed punch, a guide rod is fixed on the lower surface of the lower die on two sides of the fixed punch, the guide rod is inserted into the base and can move up and down, and the lower end of the base is inserted into the center of the return spring.

Preferably, the left side demolding structure and the right side demolding structure are symmetrical structures relative to the lower mold, and the left side demolding structure and the right side demolding structure are consistent in composition structure.

Preferably, the left side demolding structure comprises a long column, a fixing plate, a limiting column, a mounting groove and an ejection column, and the length of the long column is smaller than that of the ejection column.

Preferably, the fixed plate activity sets up in the inside mounting groove of seting up of base, and the bottom surface of fixed plate has seted up the recess, and the internal weld of recess is fixed with reset spring simultaneously, and spacing hole has all been seted up to the both sides of fixed plate, and mounting groove internal weld has spacing post, and spacing post is pegged graft in the inside in spacing hole simultaneously to long post, fixed plate and ejecting post constitute "U" shape setting together.

Compared with the prior art, the beneficial effects of the utility model are that: under the drive of hydraulic drive pole for lift seat downstream, the bottom of lift seat at this moment pushes down the work to long post, ejecting post downstream at this moment, go up the mould joint inside the die cavity, push down the work to its inside work piece, take the shaping after finishing, go up mould rebound, under reset spring's drive, can carry out ejecting work with the fashioned product that is located the die cavity inside, form quick drawing of patterns work, improve the work efficiency of hydraulic press.

Drawings

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

FIG. 2 is a schematic diagram of the left-side demolding structure of the present invention;

fig. 3 is a top view of the structure of fig. 2 of the present invention;

FIG. 4 is a schematic cross-sectional view of the structural base of the present invention;

FIG. 5 is a schematic view of the upper mold and the lower mold of the present invention;

fig. 6 is a schematic view of the structure processing workpiece of the present invention.

Reference numbers in the figures: 1. a top seat; 2. a guide support rod; 3. a hydraulic drive rod; 4. a lifting seat; 5. a warning sticker; 6. an upper die; 7. a lower die; 8. a left side demolding structure; 81. a long column; 82. a fixing plate; 83. a limiting column; 84. mounting grooves; 85. ejecting the column; 86. a return spring; 9. a base; 10. a right side demolding structure; 11. a hydraulic station; 12. a hydraulic oil pipe; 13. a guide bar; 14. fixing the punch; 15. a top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a hydraulic press for servo cold extrusion, comprising: a top seat 1;

four groups of guide supporting rods 2 are uniformly and fixedly mounted at the bottom of the top seat 1, one end, far away from the top seat 1, of each guide supporting rod 2 is fixedly mounted with the upper side surface of the base 9 in a threaded manner, a lifting seat 4 is movably mounted above the base 9, the upper surface of the lifting seat 4 is fixedly connected with the hydraulic driving rod 3 through a bolt, a left mold stripping structure 8 is mounted on the left side inside the base 9, a right mold stripping structure 10 is mounted on the right side inside the base 9, a quick primary-secondary cylinder is mounted on the top seat 1 and is communicated with an oil tank inside the hydraulic station 11 through a hydraulic oil pipe 12, the bottom of a long column 81 of the left mold stripping structure 8 is fixedly welded with a fixing plate 82, and the right upper side of the fixing plate 82 is fixedly welded with an ejection column 85;

an upper die 6 is screwed at the bottom of the lifting seat 4, a lower die 7 is arranged on the upper side surface of the base 9, a die cavity is formed in the lower die 7, and ejection columns 85 are movably arranged on two sides in the die cavity; a top plate 15 is arranged in a hole groove in the middle of the upper die 6, and a supporting spring is connected above the top plate 15; the middle part of the lower die 7 below the top plate 15 is provided with a fixed punch 14, and the lower end of the fixed punch 14 is fixed on the base 9.

The working principle is as follows: when the die is used, a workpiece to be processed is placed in a die cavity inside the lower die 7, the switch of the starting device is turned on and off at the moment, the lifting seat 4 is driven by the hydraulic driving rod 3 to move downwards, the bottom of the lifting seat 4 presses down the long column 81 at the moment, the fixed punch 14 arranged inside can punch materials, the top plate 15 above moves upwards, the ejection column 85 at the moment moves downwards, the upper die 6 is clamped inside the die cavity and presses down the workpiece inside the upper die, after the forming of the belt is finished, the upper die 6 moves upwards, the return spring 86 drives the die cavity to push out the formed product inside the die cavity, the quick demolding work is formed, and the working efficiency of the oil press is improved.

As a better implementation mode, the two sides of the surface of the lifting seat 4 are both provided with guide holes, the guide support rods 2 are inserted into the guide holes on the lifting seat 4, and the outside of the bottom of the lifting seat 4 is adhered with the warning sticker 5.

As shown in fig. 1: when the lifting seat 4 is driven by the hydraulic driving rod 3 to lift, four groups of guide supporting rods 2 are uniformly inserted into the lifting seat 4, the guide supporting rods 2 are arranged, the lifting seat 4 can be limited and guided when lifted, and the lifting seat 4 is prevented from inclining when lifted.

As a preferred embodiment, a spring is sleeved outside the fixed punch 14, a guide rod 13 is fixed on the lower surface of the lower die 7 on both sides of the fixed punch 14, the guide rod 13 is inserted into the base 9 to be capable of moving up and down, and the lower end of the base 9 is inserted into the center position of the return spring 86; in the process of moving downwards, the upper die 6 and the lower die 7 are matched, then the lower die 7 moves downwards to achieve the effect of slow stamping, and stamping and shaping are carried out after clamping.

As shown in fig. 1: the lower die 7 and the upper die 6 are of detachable structures on the oil press, so that the lower die 7 and the upper die 6 can be replaced conveniently, and different dies can be mounted conveniently.

As a preferred embodiment, the left mold stripping structure 8 and the right mold stripping structure 10 are symmetrical with respect to the lower mold 7, and the composition structure of the left mold stripping structure 8 and the right mold stripping structure 10 is the same.

As shown in fig. 1-2: the left side demolding structure 8 and the right side demolding structure 10 work simultaneously, and ejection work can be carried out on a product molded in the mold cavity.

As a preferred embodiment, the left side demolding structure 8 includes a long column 81, a fixing plate 82, a limiting column 83, a mounting groove 84 and an ejecting column 85, and the length of the long column 81 is smaller than the length of the ejecting column 85.

As a preferred embodiment, the fixing plate 82 is movably disposed in a mounting groove 84 formed in the base 9, a groove is formed in the bottom surface of the fixing plate 82, a return spring 86 is welded and fixed in the groove, limiting holes are formed in both sides of the fixing plate 82, a limiting post 83 is welded in the mounting groove 84, the limiting post 83 is inserted into the limiting hole, and the long post 81, the fixing plate 82 and the ejection post 85 are combined together to form a U-shaped configuration.

As shown in fig. 1-2: the left-hand stripping structure 8 operates in the same manner as the right-hand stripping structure 10, and only the operation of the left-hand stripping structure 8 will be described here: the lifting seat 4 moves downwards to extrude the long column 81, and the ejection column 85 moves downwards to be separated from the inside of the die cavity, so that the forming work of a workpiece in the die cavity is not influenced; when the lifting seat 4 moves upwards, the compressed return spring 86 rebounds to drive the ejection column 85 to move upwards, so that the product in the die cavity is ejected out, and the rapid demoulding operation is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A servo cold extrusion oil press is characterized by comprising:

the hydraulic lifting device comprises a top seat (1), wherein four groups of guide supporting rods (2) are uniformly and fixedly mounted at the bottom of the top seat (1), one ends, far away from the top seat (1), of the guide supporting rods (2) are fixedly mounted with the upper side surface of a base (9) in a threaded manner, a lifting seat (4) is movably mounted above the base (9), the upper surface of the lifting seat (4) is fixedly connected with a hydraulic driving rod (3) through bolts, a left side demolding structure (8) is mounted on the left side inside the base (9), a right side demolding structure (10) is mounted on the right side inside the base (9), a quick primary-secondary cylinder is mounted on the top seat (1) and is communicated with an oil tank inside a hydraulic station (11) through a hydraulic oil pipe (12), the bottom of a long column (81) of the left side demolding structure (8) is welded and fixed with a fixed plate (82), and the right upper side of the fixed plate (82) is welded and fixed with an ejection column (85);

an upper die (6) is screwed at the bottom of the lifting seat (4), a lower die (7) is arranged on the upper side surface of the base (9), a die cavity is formed in the lower die (7), and ejection columns (85) are movably arranged on two sides in the die cavity; a top plate (15) is arranged in a hole groove in the middle of the upper die (6), and a supporting spring is connected above the top plate (15); a fixed punch (14) is arranged in the middle of the lower die (7) below the top plate (15), and the lower end of the fixed punch (14) is fixed on the base (9).

2. A servo cold extrusion press as claimed in claim 1, wherein: the surface both sides of lift seat (4) have all been seted up the guiding hole, and have pegged graft in the guiding hole on lift seat (4) and have been held pole (2) to the bottom outside of lift seat (4) bonds and has had warning sticker (5).

3. A servo cold extrusion hydraulic press as claimed in claim 1, wherein: the outer side of the fixed punch (14) is sleeved with a spring, a guide rod (13) is fixed on the lower surface of the lower die (7) on two sides of the fixed punch (14), the guide rod (13) is inserted into the base (9) and can move up and down, and the lower end of the base (9) is inserted into the center of the return spring (86).

4. A servo cold extrusion hydraulic press as claimed in claim 1, wherein: the left mold stripping structure (8) and the right mold stripping structure (10) are symmetrical structures relative to the lower mold (7), and the left mold stripping structure (8) and the right mold stripping structure (10) are consistent in composition structure.

5. A servo cold extrusion hydraulic press as claimed in claim 4, wherein: the left side demolding structure (8) comprises a long column (81), a fixing plate (82), a limiting column (83), a mounting groove (84) and an ejection column (85), and the length of the long column (81) is smaller than that of the ejection column (85).

6. A servo cold extrusion hydraulic press as claimed in claim 1, wherein: fixed plate (82) activity sets up in mounting groove (84) that base (9) inside was seted up, and the bottom surface of fixed plate (82) has seted up the recess, the internal weld of recess is fixed with reset spring (86) simultaneously, spacing hole has all been seted up to the both sides of fixed plate (82), and mounting groove (84) internal weld has spacing post (83), peg graft in the inside in spacing hole spacing post (83) simultaneously, and long post (81), fixed plate (82) and ejecting post (85) are combined together and are constituted "U" shape setting.

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