Automatic deburring device for sand core

Abstract

The utility model relates to the technical field of integrated automation, in particular to an automatic sand core deburring device which comprises a scraping plate and a workbench, threaded grooves are formed in the two ends of the scraping plate, a protective cover is arranged at the front end of the workbench, a through hole is formed in the workbench, two screws and a plurality of carrier rollers are rotationally arranged in the through hole, and a rotating disc is arranged at one end of each screw. A grinding layer is arranged on the outer side of each carrier roller, a linkage gear is arranged at one end of each carrier roller, the carrier roller located in the middle is driven by a first motor to rotate, the other carrier rollers rotate under the action of the linkage gears, and therefore the unhairing process is simplified, the practicability of the device is improved, and meanwhile unhairing can be automatically completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of integrated automation technology especially relates to a sand core automatic deburring device. BACKGROUND

[0002] After sand core injection molding production is completed, the tip angle and surface need to be polished, to ensure the flatness of the sand core surface, and the polishing is usually carried out on a workbench, and the sand particles generated after polishing are left on the workbench, and are cleaned by the staff after accumulating a certain amount, and the workbench is not suitable for a large amount of sand core surface polishing operation.

[0003] The prior art patent CN209110123U discloses a sand core deburring workbench, which comprises a flat plate arranged on a support, the flat plate is provided with a through hole, and a plurality of supporting rollers are arranged in the through hole in a horizontal direction. The sand core deburring workbench disclosed by the prior art has a through hole in the flat plate, and the supporting rollers are arranged in the through hole, when the sand core surface is flattened, the sand particles falling between the supporting rollers fall through the gap, preventing the sand particles from falling on the flat plate, and ensuring the cleanliness of the flat plate and smooth production.

[0004] However, the above structure is too simple, and it does not have automation, so that the deburring process is very time-consuming and laborious, and the practicability of the device is reduced. SUMMARY

[0005] The utility model aims at providing a sand core automatic deburring device, which aims at solving the technical problem that the above structure is too simple in the prior art, and it does not have automation, so that the deburring process is very time-consuming and laborious, and the practicability of the device is reduced.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts a sand core automatic deburring device, which comprises a scraper and a workbench, both ends of the scraper are provided with threaded grooves, the front end of the workbench is provided with a protective cover, the workbench is provided with a through hole, two screw rods and a plurality of supporting rollers are rotatably arranged in the through hole, one end of the screw rod is provided with a rotating disc, the outer side of the supporting roller is provided with a grinding layer, one end of the supporting roller is provided with a linkage gear, the linkage gears of a plurality of supporting rollers are meshed with each other, and the other end of the linkage gear located in the middle is driven by a first motor, and the first motor is located at the front end face of the protective cover, the scraper is threadedly connected with the corresponding screw rod and is sleeved on the two screw rods, and the scraper is also slidably connected with the corresponding supporting roller and is sleeved on the outer wall of a plurality of supporting rollers.

[0007] Among them, the rear end face of the workbench is provided with a mounting cover, and a plurality of linkage gears are located in the mounting cover.

[0008] The sand core automatic deburring device further comprises a shielding cover and a conical hopper, the shielding cover is fixedly connected with the workbench and covers the upper portion of the workbench, and the conical hopper is fixedly connected with the workbench and located below the workbench and below the through hole.

[0009] The sand core automatic deburring device further comprises two linkage mechanisms and a second motor, the output end of the second motor is provided with a driving gear, the two linkage mechanisms are symmetrically arranged at one end of the corresponding screw rod and located in the shielding cover, the second motor is fixedly connected with the shielding cover and located at the front end face of the shielding cover, the driving gear is located in the shielding cover, the driving gear is in transmission connection with the corresponding linkage mechanism and located below the two linkage mechanisms.

[0010] The linkage mechanism comprises a first belt pulley, a second belt pulley and a belt body, one end of the second belt pulley is provided with a driven gear, the first belt pulley is fixedly connected with the corresponding screw rod and located at one end of the screw rod, the second belt pulley is rotationally connected with the shielding cover and located in the shielding cover, the driving gear is in meshing connection with the corresponding driven gear and located below the driven gear, and the belt body is wrapped outside the first belt pulley and the second belt pulley and drives the first belt pulley and the second belt pulley.

[0011] The sand core automatic deburring device comprises a scraper and a workbench, both ends of the scraper are provided with screw grooves, the front end of the workbench is provided with a shielding cover, the workbench is provided with a through hole, two screw rods and a plurality of supporting rollers are rotationally arranged in the through hole, one end of the screw rod is provided with a rotating disc, the outer side of the supporting roller is provided with a grinding layer, one end of the supporting roller is provided with a linkage gear, the linkage gears of the plurality of supporting rollers are in meshing connection with each other, the linkage gear located in the middle is in transmission connection with a first motor at the other end, the first motor is located at the front end face of the shielding cover, the scraper is in threaded connection with the corresponding screw rod and sleeved on the two screw rods, the scraper is in sliding connection with the corresponding supporting roller and sleeved on the outer wall of the plurality of supporting rollers, the first motor drives the supporting roller located in the middle to rotate, and the remaining supporting rollers rotate under the action of the linkage gear, so that the deburring process is simplified, the practicability of the device is improved, and the deburring process can be automatically completed. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below only show some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 is a three-dimensional view of the present application.

[0014] Figure 2 is a side view of the present application.

[0015] Figure 3 is a sectional view of the present application Figure 2 along line A-A.

[0016] Figure 4 is a sectional view of the present application Figure 2 along line B-B.

[0017] Figure 5 is a sectional view of the present application Figure 2 along line C-C.

[0018] Figure 6 is a sectional view of the present application Figure 3 along line D-D.

[0019] Figure 7 is a sectional view of the present application Figure 6 along line E-E.

[0020] 1 - scraper, 2 - workbench, 3 - thread groove, 4 - protective cover, 5 - through hole, 6 - screw rod, 7 - carrier roller, 8 - rotating disc, 9 - grinding layer, 10 - linkage gear, 11 - first motor, 12 - mounting cover, 13 - shielding cover, 14 - conical hopper, 15 - second motor, 16 - driving gear, 17 - first belt pulley, 18 - second belt pulley, 19 - belt body, 20 - driven gear. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0022] Please refer to Figures 1-7The utility model provides a sand core automation deburring device, including scraper 1 and work table 2, the both ends of scraper 1 have thread groove 3, the front end of work table 2 is provided with protective cover 4, work table 2 has through -hole 5, two screw rods 6 and a plurality of supporting rollers 7 are rotationally arranged in through -hole 5, one end of screw rod 6 is provided with rotary disc 8, the outside of supporting roller 7 is provided with abrasive layer 9, one end of supporting roller 7 is provided with linkage gear 10, the linkage gear 10 of a plurality of supporting roller 7 is engaged with each other, and the other end of the linkage gear 10 located in the middle is driven by first motor 11, and first motor 11 is located at the front end surface of protective cover 4, scraper 1 is connected with corresponding screw rod 6 in thread, and is sleeved on two screw rods 6, scraper 1 is also connected with corresponding supporting roller 7 in sliding, and is sleeved on the outer wall of a plurality of supporting rollers 7, the supporting roller 7 in the middle is driven by first motor 11, makes supporting roller 7 rotate, and the rest supporting roller 7 rotates under the action of linkage gear 10, thereby simplifying deburring process, and also improve the practicability of the device, simultaneously make it can be automatedly completed deburring.

[0023] Among them, the rear end surface of the workbench 2 is provided with a mounting cover 12, and a plurality of the linkage gears 10 are located in the mounting cover 12, and the mounting cover 12 can be used to protect the plurality of linkage gears 10, thereby prolonging the service life of the linkage gears 10.

[0024] Secondly, the sand core automation deburring device further comprises a shielding cover 13 and a conical hopper 14, the shielding cover 13 is fixedly connected with the workbench 2 and covers the upper part of the workbench 2, the conical hopper 14 is fixedly connected with the workbench 2 and located below the workbench 2 and below the through hole 5, the shielding cover 13 can shield the debris generated during the deburring process, so that the debris falls into the conical hopper 14, and the debris is prevented from splashing out, the conical hopper 14 can collect the debris and make the debris fall automatically.

[0025] Thirdly, the sand core automation deburring device further comprises two linkage mechanisms and a second motor 15, the output end of the second motor 15 is provided with a driving gear 16, the two linkage mechanisms are symmetrically arranged at one end of the corresponding screw rod 6 and located in the protective cover 4, the second motor 15 is fixedly connected with the protective cover 4 and located at the front end surface of the protective cover 4, and the driving gear 16 is located in the protective cover 4, the driving gear 16 is drivingly connected with the corresponding linkage mechanism and located below the two linkage mechanisms.

[0026] In addition, the linkage mechanism comprises a first pulley 17, a second pulley 18 and a belt body 19, one end of the second pulley 18 is provided with a driven gear 21, the first pulley 17 is fixedly connected with the corresponding screw rod 6 and located at one end of the screw rod 6, the second pulley 18 is rotatably connected with the protective cover 4 and located in the protective cover 4, the driving gear 16 is engaged with the corresponding driven gear 21 and located below the driven gear 21, the belt body 19 is wrapped outside the first pulley 17 and the second pulley 18 and drives the first pulley 17 and the second pulley 18, the second motor 15 drives the driving gear 16 by being started, the driven gears 21 of the two linkage mechanisms rotate in the same direction under the action of the driving gear 16, so that the screw rod 6 is driven under the action of the first pulley 17, the second pulley 18 and the belt body 19, and the scraper 1 moves back and forth on the plurality of supporting rollers 7 under the action of the screw groove 3, thereby scraping off the debris on the supporting rollers 7, so as to better remove burrs subsequently, and the second motor 15 is connected with a forward and reverse circuit, and the forward and reverse circuit is prior art, so the principle thereof will not be described here.

[0027] In use of the utility model, the operator can occupy the front and rear ends of the workbench 2, drives the supporting roller 7 located in the middle through the first motor 11, so that the supporting roller 7 rotates, and the remaining supporting rollers 7 rotate under the action of the linkage gear 10, then places the sand core on the outer wall of the supporting roller 7, so that the part of the sand core needing to be deburred contacts the grinding layer 9, at this time, the grinding layer 9 can effectively remove the burr part on the sand core, so that the above-mentioned technical problem that the structure is too simple and does not have automation, thereby the deburring process is very time-consuming and laborious, and the practicability of the device is reduced is solved.

[0028] The above-mentioned is only a preferred embodiment of the utility model, of course, cannot limit the right scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above-mentioned embodiment are realized, and equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A sand core automatic deburring device, characterized in that, including a scraper and a workbench, both ends of the scraper are provided with threaded grooves, the front end of the workbench is provided with a protective cover, the workbench is provided with a through hole, two screw rods and a plurality of supporting rollers are rotatably arranged in the through hole, one end of the screw rod is provided with a rotating disc, the outer side of the supporting roller is provided with a grinding layer, one end of the supporting roller is provided with a linkage gear, the linkage gears of a plurality of supporting rollers are meshed with each other, and the other end of the linkage gear located in the middle is driven by a first motor, and the first motor is located at the front end face of the protective cover, the scraper is threadedly connected with the corresponding screw rod and sleeved on the two screw rods, and the scraper is also slidably connected with the corresponding supporting roller and sleeved on the outer wall of the plurality of supporting rollers.

2. The sand core automatic deburring device according to claim 1, characterized in that, the rear end face of the workbench is provided with a mounting cover, and a plurality of linkage gears are located in the mounting cover.

3. The sand core automatic deburring device according to claim 2, characterized in that, the sand core automatic deburring device further comprises a shielding cover and a conical hopper, the shielding cover is fixedly connected with the workbench and covers the workbench, the conical hopper is fixedly connected with the workbench and located below the workbench and below the through hole.

4. The sand core automatic deburring device according to claim 3, characterized in that, the sand core automatic deburring device further comprises two linkage mechanisms and a second motor, the output end of the second motor is provided with a driving gear, the two linkage mechanisms are respectively and symmetrically arranged at one end of the corresponding screw rod and located in the protective cover, the second motor is fixedly connected with the protective cover and located at the front end face of the protective cover, the driving gear is located in the protective cover, the driving gear is drivingly connected with the corresponding linkage mechanism and located below the two linkage mechanisms.

5. The sand core automatic deburring device according to claim 4, characterized in that, the linkage mechanism comprises a first pulley, a second pulley and a belt body, one end of the second pulley is provided with a driven gear, the first pulley is fixedly connected with the corresponding screw rod and located at one end of the screw rod, the second pulley is rotatably connected with the protective cover and located in the protective cover, the driving gear is meshed with the corresponding driven gear and located below the driven gear, the belt body is wrapped on the outer side of the first pulley and the second pulley and drives the first pulley and the second pulley.

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