CN217649016U

CN217649016U - Oil press for cold extrusion piece with high-efficiency heat dissipation performance

Info

Publication number: CN217649016U
Application number: CN202220539528.6U
Authority: CN
Inventors: 武德清
Original assignee: Forgetec Metal Shanghai Co ltd
Current assignee: Forgetec Metal Shanghai Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-10-25
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a cold extruded article hydraulic press that possesses high-efficient thermal diffusivity, which comprises a worktable, the top of board is fixed with the shape of falling L frame, the fixed hydraulic cylinder that inlays in top of the shape of falling L frame, hydraulic cylinder's the flexible end in bottom is fixed with the top pressure head, this cold extruded article hydraulic press that possesses high-efficient thermal diffusivity, be different from prior art, utilize the water pump, can extract the inside cooling water of coolant tank and circulate through the cooling cylinder is inside and flow, realize the water-cooling to hydraulic cylinder, thereby make the radiating effect good, then improve hydraulic cylinder's life greatly, secondly, through the semiconductor refrigeration piece, the copper bar, heat radiation fins's effect, keep unchangeable maintaining the inside temperature of coolant tank, promote radiating effect greatly, moreover, utilize fixture, and cooperate the effect of adjustable position's locating plate in advance, can conveniently carry out the centre gripping location to the mould of pushing down, make the dismouting push down comparatively convenient and fast when mould, excellent in use effect.

Description

Oil press for cold extrusion piece with high-efficiency heat dissipation performance

Technical Field

The utility model relates to an oil press technical field specifically is an oil press for cold extruded article that possesses high-efficient thermal diffusivity.

Background

Cold extrusion is a process in which a metal blank is placed in a cold extrusion die cavity and pressure is applied to the blank by a male die fixed on an oil press at room temperature to plastically deform the metal blank to obtain a part.

At present, current hydraulic press is generally through hydraulic cylinder as the main drive power who exerts pressure, however hydraulic cylinder exerts pressure long-time back, and the radiating effect is poor, influences hydraulic cylinder's life then greatly, and secondly, inconvenient carries out the dismouting to pushing down the mould for it is comparatively inconvenient when pushing down the mould to change, for this reason, we propose a cold extruded article for hydraulic press that possesses high-efficient thermal diffusivity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold hydraulic press for extruded article that possesses high-efficient thermal diffusivity to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic press for a cold extrusion part with high-efficiency heat dissipation performance comprises a machine table, wherein an inverted L-shaped frame is fixed at the top end of the machine table, a hydraulic oil cylinder is fixedly embedded at the top end of the inverted L-shaped frame, an upper pressure head is fixed at the bottom telescopic end of the hydraulic oil cylinder, and a clamping mechanism is further mounted on the machine table;

the clamping mechanism comprises a motor fixed on the bottom wall in the cavity of the machine table, a rotary table is fixed on an output shaft of the motor, two push-pull rods symmetrically arranged are hinged to the top end surface of the rotary table, I-shaped sliding blocks are hinged to the other ends of the push-pull rods, sliding grooves matched with the I-shaped sliding blocks are formed in the top end of the machine table, the sliding grooves are communicated with the interior of the cavity of the machine table, and a clamping plate is fixed on the top ends of the I-shaped sliding blocks.

Preferably, a cooling cylinder is fixedly connected to the outer side of the hydraulic oil cylinder.

Preferably, two T-shaped movable rods which are symmetrically arranged are movably inserted into the inverted L-shaped frame, one end of each of the two T-shaped movable rods is fixedly provided with the same pre-positioning plate, and the pre-positioning plates slide on the top end of the machine table.

Preferably, a hand-screwing screw rod in screw transmission connection with the inverted L-shaped rack is arranged between the two T-shaped movable rods, and one end of the hand-screwing screw rod is rotatably connected to the pre-positioning plate through a bearing.

Preferably, a cooling water tank is fixed on the rear side wall of the inverted L-shaped rack, a water injection pipe is fixed at a water injection port on one side of the top end of the cooling water tank, a sealing cover is spirally connected to the top end of the water injection pipe, a water pump is fixed at the top end of the cooling water tank, a water inlet pipe with a one-way water inlet valve is connected to a water outlet of the water pump, the other end of the water inlet pipe extends into the cooling cylinder, a water suction pipe is connected to a water inlet of the water pump, and the bottom end of the water suction pipe extends into the cooling water tank.

Preferably, deviating from on the cooling water tank fixedly on the lateral wall of the frame of falling L shape inlay and be equipped with the semiconductor refrigeration piece, orientation on the semiconductor refrigeration piece be fixed with a plurality of bar copper on the inside lateral wall of cooling water tank, orientation on the semiconductor refrigeration piece be fixed with a plurality of heat radiation fins on the outside lateral wall of cooling water tank, a delivery port department is fixed with the outlet pipe of taking the one-way drain valve on the lateral wall of cooling cylinder, and the other end of outlet pipe extends to in the cooling water tank.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is different from the prior art, utilize the water pump, can extract the inside cooling water of coolant tank and circulate through cooling cylinder inside and flow, the realization is to hydraulic cylinder's water-cooling heat dissipation cooling, thereby make the radiating effect good, then improve hydraulic cylinder's life greatly, secondly, through the semiconductor refrigeration piece, the bar copper, heat radiation fins's effect, the temperature of keeping coolant tank inside remains unchanged, promote radiating effect greatly, moreover, utilize fixture, and cooperate the effect of adjustable position's locating plate in advance, can conveniently carry out clamping position to the bed die, make comparatively convenient and fast when dismouting bed die, excellent in use effect.

Drawings

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

FIG. 2 is a schematic view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural view of the present invention.

In the figure: 1. a machine platform; 2. an inverted L-shaped frame; 21. a hydraulic cylinder; 22. a cooling cylinder; 23. an upper pressure head; 3. a clamping mechanism; 301. a motor; 302. a turntable; 303. a push-pull rod; 304. an I-shaped slider; 305. a clamping plate; 4. a cooling water tank; 41. a water pump; 42. a water inlet pipe; 43. a water outlet pipe; 44. a semiconductor refrigerating sheet; 45. a copper bar; 46. heat dissipation fins; 5. pre-positioning a plate; 51. a T-shaped movable rod; 52. the screw is screwed by hand.

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. 1-4, the present invention provides a technical solution: an oil press for a cold extrusion piece with high-efficiency heat dissipation performance comprises a machine table 1, wherein an inverted L-shaped frame 2 is fixed at the top end of the machine table 1, a hydraulic oil cylinder 21 is fixedly embedded at the top end of the inverted L-shaped frame 2, an upper pressure head 23 is fixed at the telescopic end of the bottom of the hydraulic oil cylinder 21, and a clamping mechanism 3 is further installed on the machine table 1;

the clamping mechanism 3 comprises a motor 301 fixed on the inner bottom wall of the cavity of the machine table 1, a rotary table 302 is fixed on an output shaft of the motor 301, two push-pull rods 303 symmetrically arranged are hinged to the top end surface of the rotary table 302, an I-shaped sliding block 304 is hinged to the other end of each push-pull rod 303, sliding grooves matched with the I-shaped sliding blocks 304 are formed in the top end of the machine table 1 and communicated with the inside of the cavity of the machine table 1, a clamping plate 305 is fixed on each top end of each I-shaped sliding block 304, the I-shaped sliding blocks 304 are arranged, the clamping plate 305 is stable when sliding, and a clamping surface of each clamping plate 305 is parallel to and level with one end of each I-shaped sliding block 304.

Further, hydraulic cylinder 21's outside rigid coupling has a cooling cylinder 22, and the cooling water is through the inside circulation flow that carries on of cooling cylinder 22, then can dispel the heat to hydraulic cylinder 21 and lower the temperature.

Further, the movable T-shaped movable rod 51 that is equipped with two symmetries and sets up is inserted in the activity on the L-shaped frame 2 that falls, the one end of two T-shaped movable rods 51 is fixed with same prepositioning board 5, prepositioning board 5 slides on the top of board 1, it twists the screw rod 52 to be equipped with the hand that screw drive connects on L-shaped frame 2 that falls to be equipped with between two T-shaped movable rods 51, the one end that the screw rod 52 was twisted to the hand is passed through the bearing and is rotated and connect on prepositioning board 5, when the width size of bed die changes, the accessible is rotated hand and is twisted screw rod 52, make prepositioning board 5 can remove on board 1 top in advance, thereby conveniently carry out prepositioning to the bed die, this scheme can also realize fixing a position the installation to the bed die of not unidimension.

Further, a cooling water tank 4 is fixed on the rear side wall of the inverted L-shaped rack 2, a water injection pipe is fixed at a water injection port on one side of the top end of the cooling water tank 4, a sealing cover is spirally connected to the top end of the water injection pipe, a water pump 41 is fixed on the top end of the cooling water tank 4, a water inlet pipe 42 with a one-way water inlet valve is connected to a water outlet of the water pump 41, the other end of the water inlet pipe extends into the cooling cylinder 22, a water pumping pipe is connected to a water inlet of the water pump 41, the bottom end of the water pumping pipe extends into the cooling water tank 4, cooling water can be filled into the cooling water tank 4 through the water injection pipe by unscrewing the sealing cover, a semiconductor refrigeration sheet 44 is fixedly embedded on a side wall of the cooling water tank 4, which is far away from the inverted L-shaped rack 2, a plurality of copper bars 45 are fixed on a side wall of the semiconductor refrigeration sheet 44, which faces the inside of the cooling water tank 4, a plurality of cooling fins 46 are fixed on a side wall of the semiconductor refrigeration sheet 44, a water outlet 43 with a one-way water outlet pipe is fixed on a side wall of the cooling water tank 22, the other end of the water outlet pipe extends into the cooling water tank 4, the other end of the semiconductor refrigeration sheet 43 extends into the cooling water outlet pipe, the cooling water tank 4, the semiconductor sheet 44 faces the cooling water outlet pipe faces the cooling water tank 4, and the cooling water outlet pipe faces the cooling water outlet valve 4, and the cooling water outlet pipe faces the cooling water tank 4.

When the scheme is used, the pressing die is closely attached to one side wall of a preset plate on one side wall of the pressing die, the preset position of the pressing die is achieved, secondly, the turntable 302 is driven to rotate through the starting motor 301, the clamping plate 305 connected with the two I-shaped sliders 304 can move relatively under the action of the two push-pull rods 303, the pressing die is clamped and positioned, secondly, a blank needing to be subjected to cold pressing is placed into a die cavity of the pressing die, the hydraulic oil cylinder 21 is started, the upper pressing head 23 is driven to carry out cold pressing forming on the blank in the die cavity of the pressing die, furthermore, through the starting of the water pump 41, cooling water inside the cooling water tank 4 is extracted to flow in a circulating mode through the cooling cylinder 22, the rapid heat dissipation and cooling of the hydraulic oil cylinder 21 are achieved, the heat dissipation effect of the hydraulic oil cylinder is greatly improved, the service life of the cooling water tank 21 is effectively prolonged, in addition, through the semiconductor sheet 44, the copper rod 45 and the heat dissipation fins 46, the water temperature inside the cooling water tank 4 is kept unchanged, and the heat dissipation effect is greatly improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a cold hydraulic press for extruded article that possesses high-efficient thermal diffusivity, includes board (1), its characterized in that: an inverted L-shaped frame (2) is fixed at the top end of the machine table (1), a hydraulic oil cylinder (21) is fixedly embedded at the top end of the inverted L-shaped frame (2), an upper pressure head (23) is fixed at the bottom telescopic end of the hydraulic oil cylinder (21), and a clamping mechanism (3) is further installed on the machine table (1);

fixture (3) include motor (301) fixed on the diapire in board (1) cavity, the output shaft of motor (301) is fixed with carousel (302), the top surface of carousel (302) articulates there are push-and-pull rod (303) that two symmetries set up, the other end of push-and-pull rod (303) all articulates there is I-shaped slider (304), the top of board (1) all seted up with I-shaped slider (304) matched with spout, the spout is linked together with board (1) cavity is inside, the top of I-shaped slider (304) all is fixed with grip block (305).

2. The hydraulic press for a cold extrusion member having high heat dissipation performance according to claim 1, wherein: and a cooling cylinder (22) is fixedly connected to the outer side of the hydraulic oil cylinder (21).

3. The hydraulic press for a cold extrusion member having high heat dissipation performance according to claim 1, characterized in that: the novel machine is characterized in that two T-shaped movable rods (51) which are symmetrically arranged are movably inserted into the inverted L-shaped rack (2), one end of each T-shaped movable rod (51) is fixed with one pre-positioning plate (5), and each pre-positioning plate (5) slides on the top end of the machine table (1).

4. The hydraulic press for a cold extrusion member having high heat dissipation performance according to claim 3, wherein: a hand-screwing screw rod (52) which is in screw transmission connection with the inverted L-shaped rack (2) is arranged between the two T-shaped movable rods (51), and one end of the hand-screwing screw rod (52) is rotatably connected to the prepositioning plate (5) through a bearing.

5. The hydraulic press for a cold extrusion member having high heat dissipation performance according to claim 2, wherein: be fixed with coolant tank (4) on the back lateral wall of shape frame of falling L (2), top one side water injection mouth department of coolant tank (4) is fixed with the water injection pipe, the top screwed connection of water injection pipe has sealed lid, the top of coolant tank (4) is fixed with water pump (41), the delivery port department of water pump (41) is connected with inlet tube (42) of taking one-way water intaking valve, the other end of inlet tube (42) extends to in cooling cylinder (22), the delivery port department of water pump (41) is connected with the drinking-water pipe, the bottom of drinking-water pipe extends to in coolant tank (4).

6. The hydraulic press for a cold extrusion member having high heat dissipation performance according to claim 5, wherein: deviating from on cooling water tank (4) fixed the inlaying is equipped with semiconductor refrigeration piece (44) on the lateral wall of shape frame of falling L (2), on semiconductor refrigeration piece (44) orientation be fixed with a plurality of bar copper (45) on the inside lateral wall of cooling water tank (4), on semiconductor refrigeration piece (44) orientation be fixed with a plurality of heat radiation fins (46) on the outside lateral wall of cooling water tank (4), water outlet department is fixed with outlet pipe (43) of taking one-way drain valve on the lateral wall of cooling cylinder (22), and the other end of outlet pipe (43) extends to in cooling water tank (4).