CN214977588U

CN214977588U - Stable core shooter

Info

Publication number: CN214977588U
Application number: CN202120288791.8U
Authority: CN
Inventors: 欧阳世伟
Original assignee: Chongqing Dazu Ouyang Machinery Casting Co ltd
Current assignee: Chongqing Dazu Ouyang Machinery Casting Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-12-03
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to a core shooter processing technology field just discloses a firm type core shooter, including fixed case and bed die, the top fixed mounting of fixed case has the U-shaped frame, the inner wall top fixed mounting of U-shaped frame has quantity to be two pneumatic cylinders, left side the bottom fixed mounting of pneumatic cylinder has the bottom fixed connection's of one end and right side pneumatic cylinder last mould. This firm type core shooting machine, it moves down to rotate the pulling carriage release lever through promoting the subassembly, make two L shape kellies break away from the second draw-in groove under the effect of branch, thereby make joint piece and movable block separation, accomplish the dismantlement of bed die and fixed case, it is convenient and quick to dismantle, use manpower sparingly, be favorable to improving work efficiency, rotate through the pulling subassembly and make the shape frame of returning to drive the inside back-and-forth movement of movable block at fixed case, make the bed die also along with the back-and-forth movement, and then make the even tiling of sand in the bed die open, be favorable to improving the precision of core shooting machine foundry goods, and the machining efficiency is improved.

Description

Stable core shooter

Technical Field

The utility model relates to a core shooting machine processing technology field specifically is a firm type core shooting machine.

Background

The core shooter uses compressed air to uniformly inject molding sand into a sand box for pre-tightening, and then applies pressure for compaction, the common vertical parting flaskless injection molding machine and the horizontal parting flaskless injection molding machine are used, the vertical parting flaskless injection molding machine does not use a sand box for molding, the molding sand is directly injected into a molding chamber with a template, the size precision of the manufactured sand mold is high, cavities are arranged on two sides of the sand box, the production rate is high, the core setting is difficult, the requirement on the quality of the molding sand is strict, the horizontal parting flaskless injection molding machine uses the sand box for molding, the mold setting and the flaskless are convenient after the sand mold is manufactured, and the production rate is high.

The existing core shooting machine is used for a long time, the lower die is easily damaged by downward stamping, most of the existing lower die is fixed on the core shooting machine through a plurality of screws, operators are not convenient to disassemble and assemble the die, the labor intensity is increased, the working efficiency is influenced, sand soil in the die is easily uneven due to the fact that the sand shooting pipeline of the existing core shooting machine is fixed when sand is shot, high-precision castings of the core shooting machine are not facilitated, and the stable core shooting machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a firm type core shooting machine possesses convenient to detach and the even advantage of sanding, solved current core shooting machine because long-time the use, the downward punching press causes the damage to the bed die easily, but the current bed die is fixed the mould on core shooting machine through a plurality of screws mostly, the operating personnel of being not convenient for carries out the dismouting to the mould, intensity of labour has been strengthened, and influence work efficiency, and current core shooting machine is fixed when the sand shooting sand pipeline causes the sand soil unevenness in the mould easily, be unfavorable for the problem of core shooting machine high accuracy foundry goods.

(II) technical scheme

For the purpose of realizing above-mentioned convenient to detach and even sanding, the utility model provides a following technical scheme: a stable core shooter comprises a fixed box and a lower die, wherein a U-shaped frame is fixedly installed at the top of the fixed box, two hydraulic cylinders are fixedly installed at the top of the inner wall of the U-shaped frame, an upper die with one end fixedly connected with the bottom of the hydraulic cylinder at the right side is fixedly installed at the bottom of the hydraulic cylinder at the left side, a sand inlet hopper with one end penetrating and extending to the inside of the U-shaped frame is fixedly installed at the top of the U-shaped frame, a connecting pipe with one end penetrating and extending to the inside of the upper die and fixedly connected with the inner wall of the upper die is fixedly installed at the bottom of the inner wall of the sand inlet hopper, T-shaped limiting rods with one end penetrating and extending to the top of the upper die are fixedly installed at the left side and the right side of the top of the fixed box, compression springs sleeved outside the T-shaped limiting rods are fixedly installed between the bottom of the upper die and the top of the fixed box, and movable blocks are movably installed between the left side and the right side of the inner wall of the fixed box, the left side and the right side of the top of the movable block are both provided with a first clamping groove, the lower die is positioned above the movable block, the left side and the right side of the bottom of the lower die are both fixedly provided with a clamping block clamped with the first clamping groove, the inside of the movable block is provided with a cavity communicated with the first clamping groove, one side of the lower die opposite to the two clamping blocks is both provided with a second clamping groove, a slide bar is fixedly arranged between the left side and the right side of the inner wall of the cavity, the outer part of the slide bar is movably provided with two L-shaped clamping bars which are respectively clamped with the second clamping groove, a moving bar positioned below the slide bar is movably arranged between the left side and the right side of the inner wall of the cavity, the top of the moving bar is movably provided with two support bars which are respectively movably connected with the two L-shaped clamping bars, the rear side of the inner wall of the cavity is fixedly provided with a pushing assembly which is movably connected with one end and the bottom of the moving bar, and the right side of the inner wall of the fixed box is fixedly provided with a pulling assembly, the left side fixed mounting of pulling subassembly has the round bar, the rear side fixed mounting of movable block has the pull rod, the one end fixed mounting that the movable block was kept away from to the pull rod has the shape frame of returning of cover outside the round bar, fixed mounting has the extrusion spring that quantity is two between the rear side of movable block and the inner wall of fixed box.

Preferably, the pushing assembly consists of a servo motor and a cam, the servo motor is fixedly mounted on the rear side of the inner wall of the cavity, and the cam with one end movably connected with the bottom of the moving rod is sleeved at the output shaft of the servo motor.

Preferably, the pulling assembly comprises a forward and reverse rotation motor and a disc, the forward and reverse rotation motor is fixedly mounted on the right side of the inner wall of the fixed box, the disc is sleeved at the output shaft of the forward and reverse rotation motor, and the round rod is fixedly mounted on the left side of the disc.

Preferably, the support rod is hinged with the moving rod and the L-shaped clamping rod.

Preferably, a through hole is formed in the upper die, and the outer side of the connecting pipe is fixedly connected with the inner wall of the through hole.

Preferably, the connecting pipe comprises a flexible hose and a hard pipe, the bottom of the inner wall of the sand inlet hopper is fixedly provided with the flexible hose, and one end of the flexible hose, far away from the sand inlet hopper, is fixedly provided with the hard pipe fixedly connected with the inner wall of the through hole.

(III) advantageous effects

Compared with the prior art, the utility model provides a firm type core shooter possesses following beneficial effect:

this firm type core shooting machine, it moves down to rotate the pulling carriage release lever through promoting the subassembly, make two L shape kellies break away from the second draw-in groove under the effect of branch, thereby make joint piece and movable block separation, accomplish the dismantlement of bed die and fixed case, it is convenient and quick to dismantle, use manpower sparingly, be favorable to improving work efficiency, rotate through the pulling subassembly and make the shape frame of returning to drive the inside back-and-forth movement of movable block at fixed case, make the bed die also along with the back-and-forth movement, and then make the even tiling of sand in the bed die open, be favorable to improving the precision of core shooting machine foundry goods, and the machining efficiency is improved.

Drawings

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

FIG. 2 is an enlarged view of the point A in the structure of FIG. 1;

fig. 3 is a side view of the structure of the present invention, wherein the movable block is connected with the pull rod.

In the figure: the device comprises a fixed box 1, a U-shaped frame 2, a sand feeding hopper 3, a hydraulic cylinder 4, an upper die 5, a compression spring 6, a limiting rod 7T-shaped, a connecting pipe 8, a pulling assembly 9, a lower die 10, a clamping block 11, a first clamping groove 12, a movable block 13, a cavity 14, a sliding rod 15, a supporting rod 16, a movable rod 17, a pushing assembly 18, a clamping rod 19L-shaped, a second clamping groove 20, a pull rod 21, a round rod 22, a frame 23 and an extrusion spring 24.

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. 1-3, a stable core shooter comprises a fixed box 1 and a lower die 10, wherein a U-shaped frame 2 is fixedly installed at the top of the fixed box 1, two hydraulic cylinders 4 are fixedly installed at the top of the inner wall of the U-shaped frame 2, an upper die 5 with one end fixedly connected with the bottom of the right hydraulic cylinder 4 is fixedly installed at the bottom of the left hydraulic cylinder 4, a through hole is formed in the upper die 5, the outer side of a connecting pipe 8 is fixedly connected with the inner wall of the through hole, a sand inlet hopper 3 with one end penetrating through and extending into the U-shaped frame 2 is fixedly installed at the top of the U-shaped frame 2, a connecting pipe 8 with one end penetrating through and extending into the upper die 5 and fixedly connected with the inner wall of the upper die 5 is fixedly installed at the bottom of the inner wall of the sand inlet hopper 3, the connecting pipe 8 is composed of a flexible pipe and a hard pipe, a flexible pipe is fixedly installed at the bottom of the inner wall of the sand inlet hopper 3, a hard pipe fixedly connected with the inner wall of the through hole is installed at the end of the flexible pipe far away from the sand inlet hopper 3, the left side and the right side of the top of the fixed box 1 are fixedly provided with T-shaped limiting rods 7, one ends of the T-shaped limiting rods are penetrated through and extend to the top of the upper die 5, compression springs 6 sleeved outside the T-shaped limiting rods 7 are fixedly arranged between the bottom of the upper die 5 and the top of the fixed box 1, movable blocks 13 are movably arranged between the left side and the right side of the inner wall of the fixed box 1, the left side and the right side of the top of each movable block 13 are respectively provided with a first clamping groove 12, the lower die 10 is positioned above the corresponding movable block 13, clamping blocks 11 clamped with the first clamping grooves 12 are fixedly arranged on the left side and the right side of the bottom of the lower die, a cavity 14 communicated with the first clamping grooves 12 is arranged inside each movable block 13, second clamping grooves 20 are arranged on one sides opposite to the two clamping blocks 11, slide bars 15 are fixedly arranged between the left side and the right side of the inner wall of the cavity 14, L-shaped clamping rods 19 which are respectively clamped with the second clamping grooves 20 are movably arranged outside the slide bars 15, a moving rod 17 positioned below the sliding rod 15 is movably arranged between the left side and the right side of the inner wall of the cavity 14, two support rods 16 which are movably connected with the two L-shaped clamping rods 19 respectively are movably arranged at the top of the moving rod 17, the support rods 16 are hinged with the moving rod 17 and the L-shaped clamping rods 19, a pushing assembly 18 with one end movably connected with the bottom of the moving rod 17 is fixedly arranged at the rear side of the inner wall of the cavity 14, the pushing assembly 18 consists of a servo motor and a cam, a servo motor is fixedly arranged at the rear side of the inner wall of the cavity 14, the cam with one end movably connected with the bottom of the moving rod 17 is sleeved at the output shaft of the servo motor, a pulling assembly 9 is fixedly arranged at the right side of the inner wall of the fixed box 1, the pulling assembly 9 consists of a forward and reverse motor and a disc, a forward and reverse motor is fixedly arranged at the right side of the inner wall of the fixed box 1, and a disc is sleeved at the output shaft of the forward and reverse motor, a round rod 22 is fixedly arranged on the left side of the disc, a round rod 22 is fixedly arranged on the left side of the pulling assembly 9, a pull rod 21 is fixedly arranged on the rear side of the movable block 13, a clip frame 23 sleeved outside the round rod 22 is fixedly arranged at one end, far away from the movable block 13, of the pull rod 21, two extrusion springs 24 are fixedly arranged between the rear side of the movable block 13 and the inner wall of the fixed box 1, the push assembly 18 rotates to pull the movable rod 17 to move downwards, two L-shaped clamping rods 19 are separated from the second clamping groove 20 under the action of the supporting rod 16, so that the clamping block 11 is separated from the movable block 13, the lower die 10 is disassembled from the fixed box 1, the disassembly is convenient and rapid, the labor is saved, the work efficiency is improved, the clip frame 23 drives the movable block 13 to move back and forth in the fixed box 1 through the rotation of the pulling assembly 9, the lower die 10 moves back and forth, and back, and forth sand in the lower die 10 is uniformly spread, the precision of the core shooter casting is improved, and the machining efficiency is improved.

In conclusion, the stable core shooter pulls the moving rod 17 to move downwards through the pushing assembly 18, the two L-shaped clamping rods 19 are separated from the second clamping grooves 20 under the action of the supporting rod 16, so that the clamping blocks 11 are separated from the movable blocks 13, the lower die 10 is detached from the fixed box 1, the detachment is convenient and rapid, the labor is saved, the working efficiency is improved, the clip frame 23 drives the movable blocks 13 to move back and forth in the fixed box 1 through the rotation of the pulling assembly 9, the lower die 10 moves back and forth, the sandy soil in the lower die 10 is uniformly spread, the precision of castings of the core shooter is improved, the machining efficiency is improved, the problem that the lower die is easily damaged due to long-time use of the existing core shooter is solved, but most of the existing lower dies fix the dies on the core shooter through a plurality of screws, the operation personnel of being not convenient for carry out the dismouting to the mould, have increaseed intensity of labour, and influence work efficiency to current core shooter is fixed when shooting sand and is caused the sand soil unevenness in the mould easily, is unfavorable for the problem of core shooter high accuracy foundry goods.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 firm type core shooting machine, includes fixed case (1) and bed die (10), its characterized in that: the sand feeding device is characterized in that a U-shaped frame (2) is fixedly mounted at the top of the fixed box (1), the number of the inner wall top of the U-shaped frame (2) is two hydraulic cylinders (4), the left side of the inner wall top of the hydraulic cylinders (4) is provided with an upper die (5) with one end fixedly connected with the bottom of the right hydraulic cylinder (4), the top of the U-shaped frame (2) is fixedly provided with a sand feeding hopper (3) with one end penetrating through and extending to the inside of the U-shaped frame (2), the bottom of the inner wall of the sand feeding hopper (3) is fixedly provided with a connecting pipe (8) with one end penetrating through and extending to the inside of the upper die (5) and fixedly connected with the inner wall of the upper die (5), the left side and the right side of the top of the fixed box (1) are fixedly provided with T-shaped limiting rods (7) with one ends penetrating through and extending to the top of the upper die (5), compression springs (6) sleeved outside the T-shaped limiting rods (7) are fixedly mounted between the bottom of the upper die (5) and the top of the fixed box (1), movable mounting has movable block (13) between the inner wall left and right sides of fixed case (1), first draw-in groove (12) have all been seted up to the top left and right sides of movable block (13), bed die (10) are located the top of movable block (13) and the equal fixed mounting in its bottom left and right sides has joint piece (11) with first draw-in groove (12) joint, cavity (14) with first draw-in groove (12) intercommunication is seted up to the inside of movable block (13), two one side that joint piece (11) are relative all seted up second draw-in groove (20), fixed mounting has slide bar (15) between the inner wall left and right sides of cavity (14), the outside movable mounting of slide bar (15) has L shape kelly (19) that quantity is two and respectively with second draw-in groove (20) joint, movable mounting has carriage release lever (17) that is located slide bar (15) below between the inner wall left and right sides of cavity (14), the utility model discloses a fixed box's movable mounting has the top movable mounting of carriage release lever (17) has quantity to be two and respectively with two L shape kelly (19) swing joint's branch (16), the inner wall rear side fixed mounting of cavity (14) has one end and carriage release lever (17) bottom swing joint's promotion subassembly (18), the inner wall right side fixed mounting of fixed box (1) has pulling subassembly (9), the left side fixed mounting of pulling subassembly (9) has round bar (22), the rear side fixed mounting of movable block (13) has pull rod (21), the one end fixed mounting that movable block (13) were kept away from in pull rod (21) has the cover at round bar (22) outside shape frame (23) that returns, fixed mounting has quantity to be two extrusion spring (24) between the rear side of movable block (13) and the inner wall of fixed box (1).

2. A solid core shooter according to claim 1, characterized in that: the pushing assembly (18) is composed of a servo motor and a cam, the servo motor is fixedly mounted on the rear side of the inner wall of the cavity (14), and the cam with one end movably connected with the bottom of the moving rod (17) is sleeved at the output shaft of the servo motor.

3. A solid core shooter according to claim 1, characterized in that: pulling subassembly (9) comprise just reversing motor and disc, the inner wall right side fixed mounting of fixed case (1) has just reversing motor, and the disc has been cup jointed to the output shaft department of just reversing motor, round bar (22) fixed mounting is in the left side of disc.

4. A solid core shooter according to claim 1, characterized in that: the support rod (16) is hinged with the movable rod (17) and the L-shaped clamping rod (19).

5. A solid core shooter according to claim 1, characterized in that: the inner part of the upper die (5) is provided with a through hole, and the outer side of the connecting pipe (8) is fixedly connected with the inner wall of the through hole.

6. A solid core shooter according to claim 5, characterized in that: the connecting pipe (8) is composed of a flexible hose and a hard pipe, the flexible hose is fixedly mounted at the bottom of the inner wall of the sand inlet hopper (3), and the hard pipe fixedly connected with the inner wall of the through hole is fixedly mounted at one end, far away from the sand inlet hopper (3), of the flexible hose.