CN211071787U

CN211071787U - Four-column hydraulic machine for pushing out bar

Info

Publication number: CN211071787U
Application number: CN201922042850.9U
Authority: CN
Inventors: 薛仲明; 薛仲伦
Original assignee: Jiangsu Mingyue Precision Superalloy Co ltd
Current assignee: Jiangsu Mingyue Precision Superalloy Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-24
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a four-column hydraulic press discloses a four-column hydraulic press for releasing bar, its technical scheme main points are including the base, be connected with clamping mechanism on the base, clamping mechanism is including pressing from both sides tight seat and pinch-off gate, one side of pressing from both sides tight seat is rotated and is connected in one side of pinch-off gate, it has the tight groove that presss from both sides tight tubulose mould to open to press from both sides tight seat and the side that pinch-off gate is relative, the axis in blanking hole is located and presss from both sides tight groove, it rotates to connect in one side of pinch-off gate to keep away from tight seat and is connected with the jam plate, it is connected with the hasp to rotate on the jam plate, it rotates to connect in one side of pressing from both sides tight seat. The utility model discloses the effect of quick location tubulose mould has.

Description

Four-column hydraulic machine for pushing out bar

Technical Field

The utility model relates to a four-column hydraulic press, in particular to four-column hydraulic press for releasing bars.

Background

The alloy rod has excellent performances of high temperature resistance, low temperature resistance, corrosion resistance and the like, so the alloy rod is widely used in the mechanical industry. When the alloy rod is manufactured, scrap iron is firstly put into a smelting furnace to be smelted into molten iron, other metals are added, the molten iron is poured into a prepared tubular mold, and after the alloy rod in the tubular mold is cooled, the alloy rod in the mold is pushed out through a four-column hydraulic press.

The design has a four post hydraulic press among the prior art, refer to fig. 1, including base 1, and vertical division has blanking hole 2 on the base 1, is fixed with four guide posts 3 on the base 1, and the slip cover is equipped with movable briquetting 4 on the guide post 3, and movable briquetting 4 is towards one side fixedly connected with ejector beam 5 of base 1, and ejector beam 5 and blanking hole 2 are on same axis. The top fixedly connected with fixed plate 6 of guide post 3 is connected with pneumatic cylinder 7 on the fixed plate 6, and the piston rod of pneumatic cylinder 7 passes fixed plate 6 and connects in activity clamp plate 4.

By using the four-column hydraulic press, the tubular die is directly placed on the base manually, the hydraulic cylinder 7 works, the fixed plate 6 is fixed, the movable pressing block 4 moves downwards along the four guide columns 3, and the push rod 5 is fixed at the bottom of the movable pressing block 4. When the ejector pins 5 abut against the alloy rod in the tubular mould, the alloy rod is subjected to a vertical downward thrust which causes the alloy rod to be ejected from the tubular mould and to be discharged through the blanking aperture 2.

However, in the actual use process, the tubular mold needs to be aligned and positioned after being placed on the base 1, so that the alloy rod in the tubular mold can be smoothly pushed out, the four-column hydraulic press is not provided with a tubular mold positioning device, manual alignment and positioning are needed, multiple times of alignment and positioning are often needed, and the defects are obvious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a four post hydraulic press for releasing bar has the advantage of quick location tubulose mould.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a four-column hydraulic press for pushing out bars comprises a base, wherein a blanking hole is vertically formed in the base, a guide column is fixedly connected to the base, a movable pressing block horizontally arranged is sleeved on the guide column in a sliding mode, a pushing rod is fixedly connected to one face of the movable pressing block towards the base, the pushing rod and the blanking hole are on the same axis, the outer diameter of the pushing rod is not larger than the inner diameter of a tubular mold, a fixing plate horizontally arranged is fixedly connected to the top end of the guide column, a hydraulic cylinder is connected to the fixing plate, a piston rod of the hydraulic cylinder penetrates through the fixing plate and is connected to the movable pressing block, a clamping mechanism is connected to the base and comprises a clamping seat and a clamping door, one side of the clamping seat is rotatably connected to one side of the clamping door, and a clamping groove for clamping the tubular mold is formed in the opposite side face of the clamping seat and the clamping door, the axis in blanking hole is arranged in the clamping groove, one side of the clamping seat, which is far away from the clamping seat and is connected with the locking plate in a rotating mode, of the clamping door, the locking plate is connected with the lock catch in a rotating mode, one side of the clamping door, which is far away from the clamping seat and is connected with the lock spindle in a rotating mode, the lock spindle is fixedly connected with the lock lug, and the lock catch is buckled on the lock lug.

Through adopting above-mentioned technical scheme, the staff puts the tubulose mould in pressing from both sides tight groove earlier, then detains the hasp to the lock ear on, makes the tubulose mould fixed under the effect of pressing from both sides tight seat and clamping door. When the hydraulic cylinder works, the piston rod extends out, the movable pressing block slides downwards along the guide column, the pushing rod and the alloy rod are abutted and pushed out of the tubular die in the sliding process, and the alloy rod falls from the blanking hole to realize discharging. The utility model discloses in, tubular mould can be fixed a position fast to clamping mechanism to make the length of time of location subtract the weak point, improved the work efficiency who releases the rod.

Further, the base is opened towards the one side of activity briquetting has the location spout, the bottom fixedly connected with of pressing from both sides tight seat slides the sliding block in the spout of location, the length of sliding block equals with the length of location spout, vertical division has the discharge opening on the sliding block, when the sliding block is located the location spout completely, the discharge opening blanking hole communicates with each other, the both ends of location spout are connected with spacing blend stop and activity blend stop respectively, spacing blend stop fixed connection is in the lateral wall of base, the activity blend stop can be dismantled and connect in the lateral wall of base.

Through adopting above-mentioned technical scheme, the staff can be through the sliding block that slides in the location spout, with clamping mechanism adjust to a more convenient position after, carry out dismouting tubular mould again, push back the sliding block rapidly after accomplishing the dismouting again.

Furthermore, the longitudinal section of the positioning sliding groove is in a dovetail shape.

Through adopting above-mentioned technical scheme, the location spout is the swallow-tail shape and sets up the possibility that can reduce the sliding block and break away from in the location spout.

Furthermore, the side wall of the base close to the movable barrier strip is fixedly connected with supporting blocks, the supporting blocks are in an L shape, openings of the supporting blocks are arranged upwards, the supporting blocks are symmetrically arranged relative to the positioning sliding grooves, and the movable barrier strip is placed in the supporting blocks on two sides.

Through adopting above-mentioned technical scheme, the activity blend stop is placed in the supporting shoe of both sides, can make things convenient for taking and installing of activity blend stop to this makes the process of pulling out and pushing back the sliding block more convenient.

Furthermore, a pull ring is fixedly connected to the sliding block.

Through adopting above-mentioned technical scheme, fixedly connected with pull ring on the sliding block makes things convenient for the staff to pull out the sliding block.

Furthermore, a fixing ring is fixedly connected to the clamping door.

Through adopting above-mentioned technical scheme, when changing the tubulose mould in pressing from both sides the tight groove, the staff can realize through dragging solid fixed ring, and solid fixed ring provides the impetus for the staff, has improved the convenience of pulling out the pinch-off gate.

Furthermore, the side wall of the clamping groove is glued with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad texture is comparatively soft, can alleviate the extruded degree of tubular mould, has the advantage of protection tubular mould.

Furthermore, the movable barrier strip is connected to the side wall of the base through a bolt.

Through adopting above-mentioned technical scheme, the activity blend stop passes through the bolt fastening on the base lateral wall, and is simple and convenient, can realize the quick assembly disassembly of activity blend stop.

To sum up, the utility model discloses following beneficial effect has: the clamping mechanism can quickly position the tubular mold, so that the positioning time is shortened, and the working efficiency of pushing out the bar is improved.

Drawings

FIG. 1 is a schematic diagram of a prior art four-column hydraulic press;

fig. 2 is a schematic structural view for embodying the present invention in embodiment 1;

FIG. 3 is a schematic structural view for embodying the discharge hole and the limit barrier in example 1;

FIG. 4 is a schematic structural view for embodying the clamping mechanism in embodiment 1;

FIG. 5 is a schematic view showing a structure of a lock catch and a lock lug in embodiment 1;

fig. 6 is a schematic structural view for embodying the movable barrier in embodiment 2.

In the figure, 1, a base; 2. a blanking hole; 3. a guide post; 4. a movable pressing block; 5. pushing out the rod; 6. a fixing plate; 7. a hydraulic cylinder; 8. a clamping mechanism; 81. a clamping seat; 82. clamping the door; 9. a clamping groove; 10. a locking plate; 11. locking; 12. locking the ingot; 13. locking lugs; 14. positioning the chute; 15. a sliding block; 16. a discharge hole; 17. a pull ring; 18. a fixing ring; 19. a limiting barrier strip; 20. a movable barrier strip; 21 a support block; 22. and (7) a rubber pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

the utility model provides a four post hydraulic press for releasing bar, as shown in fig. 2 and 3, includes base 1, and vertical division has blanking hole 2 on the base 1, and the welding has four guide posts 3 on the base 1, and the cover is equipped with movable briquetting 4 that is the level setting on the guide post 3 that slides.

As shown in fig. 2, a push rod 5 is welded on one surface of the movable pressing block 4 facing the base 1, and the push rod 5 and the blanking hole 2 are on the same axis. The welding of the top of guide post 3 has the fixed plate 6 that is the level setting, has pneumatic cylinder 7 through bolted connection on the fixed plate 6, and the piston rod of pneumatic cylinder 7 passes fixed plate 6 and passes through bolted connection in movable briquetting 4.

As shown in fig. 2 and 4, the outer diameter of the ejector rod 5 is not larger than the inner diameter of the tubular die, and the inner diameter of the discharge hole 16 is not smaller than the inner diameter of the tubular die, thereby enabling the ejector rod 5 to eject the alloy rod in the tubular die.

As shown in fig. 2 and 3, the hydraulic cylinder 7 works, the movable pressing block 4 moves downwards, the push rod 5 abuts against the alloy rod in the tubular mold to push the alloy rod out to be completely separated, the alloy rod falls from the blanking hole 2 after being pushed out, the piston rod of the hydraulic cylinder 7 retracts, and the movable pressing block 4 rises back to the initial position.

As shown in fig. 3 and 4, a clamping mechanism 8 is connected to the base 1, and the clamping mechanism 8 includes a clamping seat 81 and a clamping door 82. One side of the clamping seat 81 is rotatably connected with one side of the clamping door 82, the opposite side surfaces of the clamping seat 81 and the clamping door 82 are provided with clamping grooves 9 for clamping the tubular mold, and the axis of the blanking hole 2 is positioned in the clamping grooves 9. The clamp door 82 is welded with a fixing ring 18 (as shown in fig. 2), and the fixing ring 18 can make it easier for a worker to open the clamp door 82.

As shown in fig. 4 and 5, the side of the clamping seat 81 away from the side where it is rotatably connected to the clamping door 82 is connected to the lock plate 10 through a bolt, and the lock catch 11 is rotatably connected to the lock plate 10. The clamping door 82 is far away from one side of the rotary connection of the clamping door 82 to the clamping seat 81 and is connected with a locking spindle 12 through a bolt, a locking lug 13 is welded on the locking spindle 12, the locking lug 13 is V-shaped, the opening of the locking lug 13 faces the locking spindle 12, one side of the locking lug 13, which is far away from the locking plate 10, is arranged at an acute angle with the locking plate 10, and the lock catch 11 is buckled on the locking lug 13.

As shown in fig. 4 and 5, the tubular mold is placed in the clamping groove 9, and when the clamping seat 81 and the clamping door 82 are completely closed, the lock catch 11 is locked to the lock lug 13, and the tubular mold is completely fixed.

As shown in fig. 4 and 5, and at the same time, in order to reduce the possibility of the tubular mold being damaged by being pressed in the clamping groove 9, the clamping seat 81 and the clamping groove 9 of the clamping door 82 are glued with rubber pads 22, respectively. The rubber pad 22 is soft in texture, can reduce the degree of extrusion of the tubular mold, and has the advantage of protecting the tubular mold.

As shown in fig. 3 and 4, a positioning sliding groove 14 is formed in one surface of the base 1 facing the movable pressing block 4, a sliding block 15 slides in the positioning sliding groove 14, a pull ring 17 (shown in fig. 2) is welded on the sliding block 15, and the pull ring 17 can make the sliding block 15 more convenient to pull out.

As shown in fig. 3 and 4, the length of the sliding block 15 is equal to the length of the positioning chute 14, and the longitudinal section of the positioning chute 14 is dovetail-shaped. The positioning sliding groove 14 is arranged in a dovetail shape, so that the possibility that the sliding block 15 is separated from the positioning sliding groove 14 can be reduced.

As shown in fig. 3 and 4, the clamping seat 81 is welded on the sliding block 15, a discharge hole 16 is vertically formed on the sliding block 15, and when the sliding block 15 is completely positioned in the positioning chute 14, the discharge hole 16 is communicated with the blanking hole 2.

As shown in fig. 2 and fig. 3, two ends of the positioning sliding groove 14 are respectively connected with a limiting barrier 19 and a movable barrier 20, the limiting barrier 19 is welded on the side wall of the base 1, and the movable barrier 20 is detachably connected to the side wall of the base 1.

As shown in fig. 2, the side wall of the base 1 near the movable bar 20 is welded with a supporting block 21, the supporting block 21 is shaped like "L", the opening of the supporting block 21 is upward, the supporting block 21 is symmetrically arranged about the positioning chute 14, and the movable bar 20 is placed in the supporting blocks 21 at both sides.

As shown in fig. 2 and 3, after the sliding block 15 completely enters the positioning chute 14, the worker puts the movable barrier 20 into the supporting block 21, so that the movable barrier 20 and the limiting barrier 19 jointly limit the movement of the sliding block 15. When the metal alloy pipe is completely separated from the tubular mold, the worker takes out the movable barrier 20 and pulls out the sliding block 15 to remove and replace the tubular mold on the clamping mechanism 8. The cooperation between the movable barrier 20 and the supporting block 21 can facilitate the taking and mounting of the movable barrier 20, thereby making the process of pulling out and pushing back the sliding block 15 more convenient.

The specific implementation process comprises the following steps:

when the mould is loaded, the clamping mechanism 8 is firstly pulled out of the base 1 through the pull ring 17 on the sliding block 15, then the lock catches 11 on the lock lugs 13 are loosened, the tubular mould is loaded into the clamping groove 9, the clamping door 82 is closed, and the lock catches 11 are locked on the lock lugs 13, so that the tubular mould is fixed in the clamping mechanism 8. Then, the sliding block 15 is pushed along the positioning chute 14, and when the sliding block 15 completely enters the positioning chute 14, the movable bars 20 are placed in the two supporting blocks 21.

The hydraulic cylinder 7 works, a piston rod of the hydraulic cylinder pushes the movable pressing block 4 to slide downwards, the push rod 5 is abutted to the alloy rod and pushes the alloy rod out of the tubular mold, and the alloy rod firstly passes through the discharge hole 16 and then drops through the blanking hole 2.

The worker pulls out the clamping mechanism 8 through the pull ring 17, releases the lock catch 11, detaches the tubular mold from which the alloy rod has been taken out, and mounts another tubular mold for the next work of pushing out the alloy rod.

Example 2:

a four-column hydraulic press for pushing out bars, as shown in figure 6, differs from the first embodiment in that a movable bar 20 is bolted to the side wall of the base 1.

When the tubular mold is completely positioned, the movable barrier strip 20 is fixed on the side wall of the base 1 through bolts, and the movable barrier strip 20 is matched with the limit barrier strip 19 to realize the positioning of the sliding block 15 and the clamping mechanism 8 above the sliding block.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a four post hydraulic presses for releasing bar, includes base (1), vertical opening has blanking hole (2) on base (1), fixedly connected with guide post (3) are gone up in base (1), it is equipped with movable briquetting (4) that are the level setting to slide the cover on guide post (3), movable briquetting (4) are towards one side fixedly connected with ejector beam (5) of base (1), ejector beam (5) and blanking hole (2) are on same axis, the external diameter of ejector beam (5) is not more than the internal diameter of tubulose mould, the top fixedly connected with of guide post (3) is fixed plate (6) that the level set up, be connected with pneumatic cylinder (7) on fixed plate (6), the piston rod of pneumatic cylinder (7) passes fixed plate (6) and is connected in movable briquetting (4), its characterized in that: be connected with clamping mechanism (8) on base (1), clamping mechanism (8) are including pressing from both sides tight seat (81) and clamping door (82), press from both sides one side rotation of tight seat (81) and connect in one side of clamping door (82), press from both sides tight seat (81) and open the side relative with clamping door (82) and have and be used for pressing from both sides tight groove (9) of tight tubulose mould, the axis of blanking hole (2) is located and presss from both sides tight groove (9), it is connected with jam plate (10) to keep away from its rotation in one side of clamping door (82) to press from both sides tight seat (81), it is connected with hasp (11) to rotate on jam plate (10), it rotates to connect in one side of pressing from both sides tight seat (81) to press from both sides tight door (82) and is connected with lock spindle (12), fixedly connected with lock ear (13) on lock spindle (12), hasp (11) are detained on lock ear.

2. A four-column hydraulic machine for pushing out bars according to claim 1, characterised in that: base (1) is opened towards the one side of activity briquetting (4) has location spout (14), the bottom fixedly connected with who presss from both sides tight seat (81) slides sliding block (15) in location spout (14), the length of sliding block (15) equals with the length of location spout (14), vertical division has discharge opening (16) on sliding block (15), when sliding block (15) are located location spout (14) completely, discharge opening (16) communicate with each other with blanking hole (2), the both ends of location spout (14) are connected with spacing blend stop (19) and activity blend stop (20) respectively, spacing blend stop (19) fixed connection is in the lateral wall of base (1), activity blend stop (20) can be dismantled and connect in the lateral wall of base (1).

3. A four-column hydraulic machine for pushing out bars according to claim 2, characterised in that: the longitudinal section of the positioning chute (14) is in a dovetail shape.

4. The four-column hydraulic press for pushing out bars according to claim 2, characterised in that the side wall of the base (1) close to the movable bars (20) is fixedly connected with supporting blocks (21), the supporting blocks (21) are shaped like L, the openings of the supporting blocks are arranged upwards, the supporting blocks (21) are symmetrically arranged about the positioning chute (14), and the movable bars (20) are placed in the supporting blocks (21) on both sides.

5. A four-column hydraulic machine for pushing out bars according to claim 2, characterised in that: and the sliding block (15) is fixedly connected with a pull ring (17).

6. A four-column hydraulic machine for pushing out bars according to claim 1, characterised in that: and a fixing ring (18) is fixedly connected to the clamping door (82).

7. A four-column hydraulic machine for pushing out bars according to claim 1, characterised in that: and a rubber pad (22) is glued to the side wall of the clamping groove (9).

8. A four-column hydraulic machine for pushing out bars according to claim 2, characterised in that: the movable barrier strip (20) is connected to the side wall of the base (1) through a bolt.