CN211331216U

CN211331216U - Automatic sand core repairing machine

Info

Publication number: CN211331216U
Application number: CN201922495219.4U
Authority: CN
Inventors: 曾凡荣
Original assignee: Fujian Wxmac Machinery Co ltd
Current assignee: Quanzhou woxun Intelligent Technology Co., Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-25
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a can repair burr, the base seam that removes the psammitolite automatically, improve production efficiency, save manufacturing cost's automatic sand core machine of repairing, including the frame, locate the psammitolite trimming device that is used for placing the workstation of psammitolite and is used for the deburring in the frame, psammitolite trimming device is including setting up in the unloader of workstation top, and the accessible unloader falls on the workstation and smashes the burr of deburring and clears away the granule.

Description

Automatic sand core repairing machine

Technical Field

The utility model relates to a casting equipment field, in particular to automatic sand core machine of repairing.

Background

In casting production of castings, blank seams are often formed on parting surfaces after sand cores are formed, and the sand cores are trimmed to remove the blank seams so as to ensure the quality of the castings. The conventional method is manual trimming, and although the manual trimming is almost suitable for all sand cores, the defects are obvious, the manual trimming of the sand cores is time-consuming and labor-consuming, and for the sand cores for producing castings with complex shapes and high precision requirements, the core trimming process is complicated, workers are required to be careful, more workers are required, and the production efficiency is low; the error range is large during manual trimming, and the consistency of the sand core is poor; and sometimes even damage to the sand core. At present, machines are used, but most of the machines assist manual trimming; the existing automatic sand core trimming machine mostly uses a scraping method to remove burrs and blank seams on sand cores, which has high requirements on the shapes of scraping plates, and has high production cost because corresponding scraping plates need to be replaced when different types and specifications of sand cores are required; the number of sand cores which can be trimmed by the conventional automatic sand core trimming machine at one time is limited, and the production efficiency is still not high.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a can repair burr, the base seam that removes the psammitolite automatically, improve production efficiency, save manufacturing cost's automatic sand core machine of repairing.

For realizing above-mentioned technical problem, the utility model discloses the solution of taking is automatic sand core machine of repairing, including the frame, locate the psammitolite trimming device that is used for placing the workstation of psammitolite and is used for the deburring in the frame, psammitolite trimming device is including setting up in the unloader of workstation top, and the accessible unloader falls on the workstation and smashes the burr of deburring and clears away the granule.

The further improvement is that: the upper end surface of the workbench is a net-shaped surface, and an aggregate device used for collecting sand grains and removing particles of the burrs is arranged below the net-shaped surface in the workbench.

The further improvement is that: the collecting device is a collecting hopper, a discharge channel is arranged at the bottom of the collecting hopper, and one end of the discharge channel extends out of the collecting hopper.

The further improvement is that: and a recovery device for recovering and recycling sand grains and burr removing particles in the collecting hopper is further arranged on one side of the rack, the feeding end of the recovery device is arranged in the discharging direction of the discharging channel, and the discharging end of the recovery device is arranged in the feeding direction of the discharging device.

The further improvement is that: a material distribution device capable of removing and separating sand grains and burrs is arranged between the discharge end of the recovery device and the blanking device, one end of the material distribution device is arranged in the discharge direction of the recovery device, the other end of the material distribution device is arranged in the feed direction of the blanking device, and a sand discharge device for accumulating and discharging sand grains is arranged in the discharge direction of the material distribution device.

The further improvement is that: the burr is clear away the granule and is included light magnetism tiny particle, feed divider includes first conveyer belt and locates the transfer roller at first conveyer belt both ends, is located the transfer roller of unloader feed direction is the magnetism roller.

The further improvement is that: the blanking device comprises a blanking hopper, the blanking hopper is arranged on the rack and positioned above the workbench, and an opening and closing device capable of opening and closing a discharge hole of the blanking hopper is arranged in the discharge direction of the blanking hopper.

The further improvement is that: the device is characterized by further comprising a speed reducer capable of reducing the falling speed of burr removal particles and enabling the burr removal particles to fall uniformly, wherein the speed reducer is arranged between the discharge port of the blanking hopper and the workbench.

The further improvement is that: and a second conveying belt for conveying the sand core is arranged on the workbench along the feeding and discharging directions of the sand core, and the conveying belt is made of a net-shaped material.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses utilize the difference in height, let little steel ball be free falling body motion, give kinetic energy for little steel ball, pound base seam and burr on the sand core that removes, effectively maintain the psammitolite, use manpower sparingly, be applicable to the psammitolite of different kinds and specification, the commonality is strong.

Further, the utility model discloses in set up collecting hopper, lifting machine and feed divider, realize the recovery of little steel ball and sand grain and recycle, save manufacturing cost.

Further, the utility model discloses the conveying of well psammitolite is all gone on the second conveyer belt with repairing, and equipment integrated level is high, has improved work efficiency.

Drawings

Fig. 1 is a front view of the automatic sand core trimming machine of the present invention.

Fig. 2 is the structure schematic diagram of the automatic sand core trimming machine of the utility model.

Fig. 3 is the local structure schematic diagram of the automatic sand core trimming machine of the utility model.

Figure 4 is the utility model discloses automatic sand core trimming machine top view.

Fig. 5 is a side view of the automatic sand core trimming machine of the present invention.

Fig. 6 is a top view of the discharge chute in an embodiment of the present invention.

Fig. 7 is a bottom view of the discharging hopper in the embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, disclosed in the embodiment of the present invention is an automatic sand core repairing machine, including a frame 1, a work table (not shown in the figures) disposed on the frame 1 for placing a sand core 2, and a sand core trimming device for removing burrs, wherein the sand core trimming device includes a blanking device disposed above the work table, and a small steel ball capable of falling on the work table to break and remove burrs through the blanking device, the blanking device includes a blanking hopper 3 and a discharge chute 31, the blanking hopper 3 and the discharge chute 31 are fixedly disposed on the frame 1 and located above the work table, a feed inlet of the blanking hopper 3 faces downward toward a discharge port, the blanking hopper 3 is provided with an opening and closing plate 33 capable of opening and closing the discharge port of the blanking hopper and a motor 34 for driving the opening and closing plate 33 to rotate, the opening and closing plate 33 has two, and one left and right opening and closing plates 33 are disposed below the discharge port, the two motors 34 are respectively connected with an opening and closing plate 33, the shells of the two motors 34 are symmetrically arranged at the outer side of the hopper 3, the rotating shafts of the motors 34 are connected with the opening and closing plates 33 through connecting plates, one end of each connecting plate is fixedly connected with the rotating shaft of the motor 34, the free end of each connecting plate is locked with the bottom of the opening and closing plate 33 through bolts, the feed inlet of the discharge chute 31 is arranged in the discharge direction of the discharge outlet of the hopper 3, the discharge outlet of the discharge chute 31 is arranged in the feed direction of the workbench, a first filter screen capable of reducing the falling speed of small steel balls and enabling the small steel balls to fall uniformly and a discharge plate 32 provided with regular through holes are further arranged in the discharge chute 31, the discharge plate 32 is welded at the discharge outlet, the first filter screen is locked in the discharge chute 31 through bolts and positioned above the discharge plate 32, and a second conveyor belt 4 for conveying the sand cores 2 is arranged on the workbench, the material of conveyer belt is netted material, workstation up end is the second filter screen (not shown in the figure), be located in the workstation below second filter screen fixedly connected with be used for collecting sand grain and the aggregate bin 5 of little steel ball, aggregate bin 5 with the workstation passes through bolted connection, aggregate bin reduces along the cross sectional area of direction of feed to discharge direction gradually, discharge passage 51 has been seted up to the bottom of aggregate bin 5, one end of discharge passage 51 extends to outside aggregate bin 5, one side of frame 1 still is provided with can supply the interior sand grain of aggregate bin 5 and the elevator 6 that little steel ball was retrieved and is recycled (the elevator 6 that mentions and use in the utility model is known product, can reach all can apply here of lifting the material from low place to eminence, and its inner structure, mounting means and theory of operation are all known, therefore, it is not described herein), the feeding end of the elevator 6 is arranged in the discharging direction of the discharging channel 51, a first conveying belt 7 capable of separating sand particles from small steel balls and conveying rollers 71 arranged at two ends of the first conveying belt 7 are arranged between the discharging end of the elevator 6 and the discharging hopper 3, the two conveying rollers 71 are rotatably connected to the frame 1 through a rotating shaft, one end of the first conveying belt 7 is arranged below the discharging end of the elevator 6, the other end of the first conveying belt 7 is arranged above the discharging hopper 3, the conveying rollers 71 arranged above the discharging hopper 3 are magnetic rollers, and the discharging end of the first conveying belt 7 is provided with a sand discharging channel 8 for accumulating and discharging sand particles.

The working principle is as follows:

before and after the operation of sand core repair is started, the opening and closing plate 33 is in a state of completely blocking the discharge hole, so that small steel balls can be accumulated in the blanking hopper 3 for storage, when the operation of sand core repair is started, the sand core 2 to be repaired is placed at the feed end of the second conveyor belt 4, the second conveyor belt conveys the sand core 2 to the lower part of the blanking device, the two motors 34 are started to drive the opening and closing plate 33 on the left to rotate leftwards, the opening and closing plate 33 on the right to rotate rightwards, the small steel balls slide from the blanking hopper 3 at the moment until the opening and closing plate 33 does not shield the discharge hole, the motors 34 stop rotating, the small steel balls fall into the discharge groove 31 and sequentially pass through the first filter screen and the discharge plate 32 arranged on the discharge hole of the discharge groove 31, and uniformly fall onto the second conveyor belt 4 and the sand core 2 positioned on the second conveyor belt 4, because of height difference, the free falling body motion can give kinetic energy to the small steel, the burrs, blank gaps and other places on the sand core 2 protrude out of the surface of the sand core 2 and are weak, so the sand core 2 can be easily knocked off by small steel balls, the density of the sand core 2 is high and firm, the sand core 2 cannot be influenced by slight impact of the small steel balls, the sand core 2 after being trimmed is conveyed to a discharge end by a second conveyor belt 4 to enter the next process, because the second conveyor belt 4 is made of a mesh material, sand grains and the small steel balls after being knocked off can pass through meshes on the second conveyor belt 4 and meshes on a second filter screen on the upper end face of a workbench, fall into a collecting hopper 5 and are output to a feed end of a lifter 6 by a discharge channel 51 at the bottom of the collecting hopper 5, are lifted to a high position by the lifter 6 and then are output from the discharge end of the lifter 6 to fall onto a first conveyor belt 7, and after being conveyed to the upper part of a lower hopper 3 by the first conveyor belt 7, the small steel balls can be adsorbed by a magnetic roller arranged at the end, after the sand passes through the magnetic roller, the small steel balls fall into the blanking hopper 3 to be reused, and the sand grains are thrown out after the end point of the row due to no magnetism and fall into the sand discharge channel 8 to enter the next working procedure for recycling.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims

1. Automatic sand core machine repaiies, including the frame, locate the psammitolite trimming device that is used for placing the workstation of psammitolite and is used for deburring in the frame, its characterized in that: the sand core trimming device comprises a blanking device arranged above the workbench and burr removing particles capable of dropping on the workbench to remove burrs through the blanking device.

2. The automatic sand core trimming machine according to claim 1, wherein: the upper end surface of the workbench is a net-shaped surface, and an aggregate device used for collecting sand grains and removing particles of the burrs is arranged below the net-shaped surface in the workbench.

3. The automatic sand core trimming machine according to claim 2, characterized in that: the collecting device is a collecting hopper, a discharge channel is arranged at the bottom of the collecting hopper, and one end of the discharge channel extends out of the collecting hopper.

4. The automatic sand core trimming machine according to claim 3, characterized in that: and a recovery device for recovering and recycling sand grains and burr removing particles in the collecting hopper is further arranged on one side of the rack, the feeding end of the recovery device is arranged in the discharging direction of the discharging channel, and the discharging end of the recovery device is arranged in the feeding direction of the discharging device.

5. The automatic sand core trimming machine according to claim 4, wherein: a material distribution device capable of removing and separating sand grains and burrs is arranged between the discharge end of the recovery device and the blanking device, one end of the material distribution device is arranged in the discharge direction of the recovery device, the other end of the material distribution device is arranged in the feed direction of the blanking device, and a sand discharge device for accumulating and discharging sand grains is arranged in the discharge direction of the material distribution device.

6. The automatic sand core trimming machine according to claim 5, wherein: the burr is clear away the granule and is included light magnetism tiny particle, feed divider includes first conveyer belt and locates the transfer roller at first conveyer belt both ends, is located the transfer roller of unloader feed direction is the magnetism roller.

7. The automatic sand core repairing machine as claimed in claim 5, wherein the blanking device comprises a blanking hopper, the blanking hopper is arranged on the rack and above the workbench, and an opening and closing device capable of opening and closing a discharge hole of the blanking hopper is arranged on the blanking hopper in a discharge direction of the blanking hopper.

8. The automatic sand core trimming machine according to claim 7, wherein: the device is characterized by further comprising a speed reducer capable of reducing the falling speed of burr removal particles and enabling the burr removal particles to fall uniformly, wherein the speed reducer is arranged between the discharge port of the blanking hopper and the workbench.

9. An automatic sand core trimming machine according to any one of claims 1 to 8, characterized in that: and a second conveying belt for conveying the sand core is arranged on the workbench along the feeding and discharging directions of the sand core, and the conveying belt is made of a net-shaped material.