阅读说明：本技术 一种精密铸件加工用半自动撒砂装置 (Semi-automatic sanding device for machining precision castings ) 是由 蔡发华 于 2020-06-23 设计创作，主要内容包括：本发明涉及机械加工制造技术领域,且公开了一种精密铸件加工用半自动撒砂装置,包括底板,所述底板的上端固定设置有箱体,所述箱体的下侧壁与所述底板的上侧壁固定连接,所述箱体的上端开设有进砂口,所述进砂口的内部横向设置有箱盖,所述箱盖的左端通过第一轴销与所述进砂口的左侧壁转动连接,所述箱盖的右端与所述进砂口的右侧壁接触连接,所述箱体的左端固定设置有安装板。该精密铸件加工用半自动撒砂装置,能够对砂石出料流速进行有效控制,防止造成砂石浪费,且可以对砂石的运动方向进行限位,保证铸件上端的砂石均匀铺设,大大提高铸件的生产质量。(The invention relates to the technical field of machining and manufacturing, and discloses a semi-automatic sanding device for machining a precision casting, which comprises a bottom plate, wherein a box body is fixedly arranged at the upper end of the bottom plate, the lower side wall of the box body is fixedly connected with the upper side wall of the bottom plate, a sand inlet is formed in the upper end of the box body, a box cover is transversely arranged in the sand inlet, the left end of the box cover is rotatably connected with the left side wall of the sand inlet through a first shaft pin, the right end of the box cover is in contact connection with the right side wall of the sand inlet, and a mounting plate is fixedly arranged at the left end of the box body. This precision casting processing is with semi-automatic sand scattering device can carry out effective control to grit ejection of compact velocity of flow, prevents to cause the grit extravagant, and can carry on spacingly to the direction of motion of grit, guarantees that the grit of foundry goods upper end evenly lays, improves the production quality of foundry goods greatly.)

1. The utility model provides a precision casting processing is with semi-automatic sanding device, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is fixedly provided with a box body (2), the lower side wall of the box body (2) is fixedly connected with the upper side wall of the bottom plate (1), the upper end of the box body (2) is provided with a sand inlet, a box cover (3) is transversely arranged in the sand inlet, the left end of the box cover (3) is rotatably connected with the left side wall of the sand inlet through a first shaft pin, the right end of the box cover (3) is in contact connection with the right side wall of the sand inlet, the left end of the box body (2) is fixedly provided with a mounting plate (4), the right end of the mounting plate (4) is fixedly connected with the left side wall of the box body (2), the left end of the mounting plate (4) is fixedly provided with an air blower (5), the right end of the air blower (5) is fixedly connected with the left side wall of the mounting plate (4), the lower end of the air blower (, the upper end of the connecting pipe (6) is fixedly connected with the lower end of the air blower (5), a partition plate (7) is fixedly arranged inside the box body (2), the two ends of the partition plate (7) are fixedly connected with the inner wall of the box body (2), a sand outlet is formed in the right end of the partition plate (7), a sand leakage plate (8) is transversely arranged inside the sand outlet, the side wall of the sand leakage plate (8) is fixedly connected with the side wall of the sand outlet, a plurality of uniform sand leakage holes are formed in the side wall of the sand leakage plate (8), an adjusting mechanism is fixedly arranged at the upper end of the sand leakage plate, a guide plate (9) is fixedly arranged at the upper end of the partition plate (7), the left side wall of the guide plate (9) is fixedly connected with the left side wall of the box body (2), the right side wall of the guide plate (9) is fixedly connected with the upper side wall of the partition plate (7), the lower extreme of division board (7) transversely is provided with out tuber pipe (10), the left side wall that the left end that goes out tuber pipe (10) runs through box (2) extends to outside and the lower extreme fixed connection of connecting pipe (6), the sand outlet has been seted up to the right side wall of box (2) is fixed, the fixed plate (11) that are provided with the symmetry of right-hand member of sand outlet, two the left side wall of fixed plate (11) all with the right side wall fixed connection of box (2), two one side that fixed plate (11) are adjacent is rotated through the secondary shaft round pin and is connected with stand pipe (12), the fixed guiding mechanism that is provided with of lower extreme of stand pipe (12).

2. The semi-automatic sanding device for precision casting machining according to claim 1, wherein: the adjusting mechanism comprises a first lead screw (13), the first lead screw (13) is transversely arranged at the upper end of the sand leakage plate (8), the left end of the first lead screw (13) is rotatably connected with the right side wall of the guide plate (9) through a first bearing, the right end of the first lead screw (13) penetrates through the right side wall of the box body (2) and extends to the outside, a limiting rod (14) is transversely arranged at the upper end of the first lead screw (13), the rod wall of the first lead screw (13) is in threaded connection with symmetrical first sliding blocks (15), the upper side walls of the two first sliding blocks (15) are in sliding connection with the lower side wall of the limiting rod (14), the lower side walls of the two first sliding blocks (15) are rotatably connected with push rods (16) through second shaft pins, and the lower ends of the two push rods (16) are rotatably connected with a movable plate (17) through third shaft pins, the two ends of the movable plate (17) are respectively in sliding connection with the right side wall of the guide plate (9) and the left side wall of the box body (2), a plurality of uniform circular table blocks (18) are fixedly arranged on the lower side wall of the movable plate (17), and the circular table blocks (18) are in contact connection with the sand leakage holes.

3. The semi-automatic sanding device for precision casting machining according to claim 1, wherein: the guide mechanism comprises fixed blocks (19), the two fixed blocks (19) are fixedly connected with the upper side wall of the bottom plate (1), one adjacent side of the two fixed blocks (19) is fixedly provided with a second screw rod (20) together, the left end of the second screw rod (20) is rotationally connected with the fixed block (19) through a second bearing, the right end of the second screw rod (20) penetrates through the side wall of the fixed block (19) and extends to the outside, the rod wall of the second screw rod (20) is connected with a second sliding block (21) in a threaded manner, the lower side wall of the second sliding block (21) is connected with the upper side wall of the bottom plate (1) in a sliding way, the lower side wall of the guide pipe (12) is fixedly provided with a connecting block (22), and the lower side wall of the connecting block (22) and the upper side wall of the second sliding block (21) are rotatably connected with a guide rod (23) through a fourth shaft pin.

4. The semi-automatic sanding device for precision casting machining according to claim 1, wherein: and symmetrical universal wheels are fixedly arranged on the lower side wall of the bottom plate (1).

5. The semi-automatic sanding device for precision casting machining according to claim 1, wherein: the mounting plate (4) is fixedly connected with the left side wall of the box body (2) through symmetrical first bolts.

6. The semi-automatic sanding device for precision casting machining according to claim 1, wherein: the right end of the connecting pipe (6) and the left end of the air outlet pipe (10) are both fixedly provided with flange seats, and the two flange seats are fixedly connected through a second bolt.

7. The semi-automatic sanding device for precision casting machining according to claim 2, wherein: the right end of the first screw rod (13) is fixedly provided with a handle.

8. The semi-automatic sanding device for precision casting machining according to claim 3, wherein: and a rotating block is fixedly arranged at the right end of the second screw rod (20).

Technical Field

The invention relates to the technical field of machining and manufacturing, in particular to a semi-automatic sanding device for machining a precision casting.

Background

In the precision casting, the configuration of the sanding in the shell manufacturing is an important part, the uniformity of the sanding is directly related to the strength of the shell and the quality of a casting, in the actual production, the sanding mode mainly comprises an automatic sand sprinkling machine sanding mode and a manual sanding mode, the manual sanding work efficiency is low, and more automatic sanding devices are used.

The patent No. CN109604534A discloses a semi-automatic sanding device for precision casting, when in use, a needed sanding module is placed into sand for coating before wind blown by an air pipe passes through a ventilation cavity, after the wind is blown into the ventilation cavity, a vibration motor also works correspondingly, the force of wind action can boil the sand for coating above a mesh sand screen, the work of automatic sanding is completed under the reinforcing effect of the vibration motor, and under the condition that the wind power needs to be controlled, the opening and closing of a valve can be controlled by controlling a rocking handle, so that the wind power is large; the scheme of the invention still has the following defects:

firstly, the sand flow rate of a sand outlet part cannot be adjusted at will according to needs when the sand spreading device is used, and when the flow rate is too high, sand and stones are difficult to blow by airflow, so that a large amount of sand and stones are wasted;

secondly, the sandstone blown up by the airflow is difficult to control the moving direction, so that the sandstone at the upper end of the mould is easily laid unevenly, and the casting quality is affected.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the semi-automatic sand spreading device for processing the precision casting, which can not effectively control the flow rate of sand, and the sand blown by air flow is difficult to control the moving direction, so that the problem of uneven sand laying at the upper end of a mould is easily caused.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a semi-automatic sanding device for machining precision castings comprises a base plate, wherein a box body is fixedly arranged at the upper end of the base plate, the lower side wall of the box body is fixedly connected with the upper side wall of the base plate, a sand inlet is formed in the upper end of the box body, a box cover is transversely arranged inside the sand inlet, the left end of the box cover is rotatably connected with the left side wall of the sand inlet through a first shaft pin, the right end of the box cover is in contact connection with the right side wall of the sand inlet, a mounting plate is fixedly arranged at the left end of the box body, the right end of the mounting plate is fixedly connected with the left side wall of the box body, an air blower is fixedly arranged at the left end of the mounting plate, a connecting pipe is fixedly arranged at the lower end of the air blower, the upper end of the connecting pipe is fixedly connected with the lower end of the air blower, a separation plate is fixedly arranged inside the, the two ends of the isolation plate are fixedly connected with the inner wall of the box body, the right end of the isolation plate is provided with a sand outlet, a sand leaking plate is transversely arranged in the sand outlet, the side wall of the sand leaking plate is fixedly connected with the side wall of the sand outlet, the side wall of the sand leaking plate is provided with a plurality of uniform sand leaking holes, the upper end of the sand leaking plate is fixedly provided with an adjusting mechanism, the upper end of the isolation plate is fixedly provided with a flow guide plate, the left side wall of the flow guide plate is fixedly connected with the left side wall of the box body, the right side wall of the flow guide plate is fixedly connected with the upper side wall of the isolation plate, the lower end of the isolation plate is transversely provided with an air outlet pipe, the left end of the air outlet pipe penetrates through the left side wall of the box body to extend to the outside and is fixedly connected with the lower end of the connecting pipe, the right side wall of the box body is fixedly provided with, the left side wall of two the fixed plate all with the right side wall fixed connection of box, two one side that the fixed plate is adjacent is connected with the stand pipe through the rotation of second axle round pin, the fixed guiding mechanism that is provided with of lower extreme of stand pipe.

Preferably, the adjusting mechanism comprises a first lead screw, the first lead screw is transversely arranged at the upper end of the sand leakage plate, the left end of the first lead screw is rotatably connected with the right side wall of the guide plate through a first bearing, the right end of the first lead screw penetrates through the right side wall of the box body and extends to the outside, a limiting rod is transversely arranged at the upper end of the first lead screw, the rod wall of the first lead screw is in threaded connection with symmetrical first slide blocks, the upper side walls of the two first slide blocks are in sliding connection with the lower side wall of the limiting rod, the lower side walls of the two first slide blocks are in rotating connection with pushing rods through second shaft pins, the lower ends of the two pushing rods are in rotating connection with a movable plate through third shaft pins, two ends of the movable plate are respectively in sliding connection with the right side wall of the guide plate and the left side wall of the box body, and a plurality of uniform circular table blocks are fixedly arranged on the lower side wall, and the plurality of circular table blocks are in contact connection with the sand leakage holes.

Preferably, guiding mechanism includes the fixed block, two the fixed block all with the last side wall fixed connection of bottom plate, two the common fixed second lead screw that is provided with in one side that the fixed block is adjacent, the left end of second lead screw pass through the second bearing with rotate between the fixed block and be connected, the right-hand member of second lead screw runs through the lateral wall of fixed block and extends to the outside, the pole wall threaded connection of second lead screw has the second slider, the lower lateral wall of second slider with the last side wall sliding connection of bottom plate, the fixed connecting block that is provided with of lower side wall of stand pipe, the lower lateral wall of connecting block with the last side wall of second slider is connected with the guide bar through the rotation of fourth pivot.

Preferably, symmetrical universal wheels are fixedly arranged on the lower side wall of the bottom plate.

Preferably, the mounting plate is fixedly connected with the left side wall of the box body through symmetrical first bolts.

Preferably, the right end of the connecting pipe and the left end of the air outlet pipe are both fixedly provided with flange seats, and the flange seats are fixedly connected through a second bolt.

Preferably, a handle is fixedly arranged at the right end of the first screw rod.

Preferably, a rotating block is fixedly arranged at the right end of the second screw rod.

(III) advantageous effects

Compared with the prior art, the invention provides a semi-automatic sanding device for machining a precision casting, which has the following beneficial effects:

1. this precision casting processing is with semi-automatic sanding device, through gag lever post, first lead screw, first slider, catch bar, movable plate, round platform piece and the common cooperation of hourglass sand plate, carry out effective control to the velocity of flow of grit, prevent effectively that the grit velocity of flow from leading to the fact the grit extravagant too greatly.

2. This precision casting processing is with semi-automatic sanding device, through the common cooperation of fixed block, second lead screw, second slider, connecting block, guide bar and stand pipe, carries out effective control to the direction of grit, improves the homogeneity that foundry goods upper end grit was laid, improves precision casting's production quality greatly.

Drawings

Fig. 1 is a schematic front structural view of a semi-automatic sanding device D for precision casting machining according to the present invention;

FIG. 2 is a schematic top view of the air outlet pipe shown in FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

fig. 4 is an enlarged schematic structural view of a portion B in fig. 1.

In the figure: the device comprises a base plate 1, a box body 2, a box cover 3, a mounting plate 4, an air blower 5, a connecting pipe 6, a partition plate 7, a sand leakage plate 8, a guide plate 9, an air outlet pipe 10, a fixing plate 11, a guide pipe 12, a first screw rod 13, a limiting rod 14, a first sliding block 15, a pushing rod 16, a moving plate 17, a circular table block 18, a fixing block 19, a second screw rod 20, a second sliding block 21, a connecting block 22 and a guide rod 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a semi-automatic sanding device for processing precision castings comprises a base plate 1, a box body 2 is fixedly arranged at the upper end of the base plate 1, the lower side wall of the box body 2 is fixedly connected with the upper side wall of the base plate 1, a sand inlet is arranged at the upper end of the box body 2, a box cover 3 is transversely arranged inside the sand inlet, the left end of the box cover 3 is rotatably connected with the left side wall of the sand inlet through a first shaft pin, the right end of the box cover 3 is in contact connection with the right side wall of the sand inlet, a mounting plate 4 is fixedly arranged at the left end of the box body 2, the right end of the mounting plate 4 is fixedly connected with the left side wall of the box body 2, an air blower 5 is fixedly arranged at the left end of the mounting plate 4, the right end of the air blower 5 is fixedly connected with the left side wall of the mounting plate 4, a connecting pipe 6 is fixedly arranged at the, the two ends of the isolation plate 7 are fixedly connected with the inner wall of the box body 2, the right end of the isolation plate 7 is provided with a sand outlet, a sand leaking plate 8 is transversely arranged in the sand outlet, the side wall of the sand leaking plate 8 is fixedly connected with the side wall of the sand outlet, the side wall of the sand leaking plate 8 is provided with a plurality of uniform sand leaking holes, the upper end of the sand leaking plate is fixedly provided with an adjusting mechanism, the upper end of the isolation plate 7 is fixedly provided with a guide plate 9, the left side wall of the guide plate 9 is fixedly connected with the left side wall of the box body 2, the right side wall of the guide plate 9 is fixedly connected with the upper side wall of the isolation plate 7, the lower end of the isolation plate 7 is transversely provided with an air outlet pipe 10, the left end of the air outlet pipe 10 penetrates through the left side wall of the box body 2 to extend to the outside and is fixedly connected with the lower end of a connecting pipe 6, the right side wall of the box body 2 is fixedly provided with the sand, the adjacent sides of the two fixing plates 11 are rotatably connected with a guide pipe 12 through a second shaft pin, and the lower end of the guide pipe 12 is fixedly provided with a guide mechanism.

The adjusting mechanism comprises a first lead screw 13, the first lead screw 13 is transversely arranged at the upper end of the sand leakage plate 8, the left end of the first lead screw 13 is rotatably connected with the right side wall of the guide plate 9 through a first bearing, the right end of the first lead screw 13 penetrates through the right side wall of the box body 2 and extends to the outside, a limiting rod 14 is transversely arranged at the upper end of the first lead screw 13, the rod wall of the first lead screw 13 is in threaded connection with symmetrical first sliding blocks 15, the upper side walls of the two first sliding blocks 15 are in sliding connection with the lower side wall of the limiting rod 14, the lower side walls of the two first sliding blocks 15 are in rotating connection with push rods 16 through second shaft pins, the lower ends of the two push rods 16 are in rotating connection with a moving plate 17 through third shaft pins, two ends of the moving plate 17 are respectively in sliding connection with the right side wall of the guide plate 9 and the left side wall of the box body 2, a plurality of uniform circular table blocks 18 are fixedly arranged on the lower side wall.

Guiding mechanism includes fixed block 19, two fixed blocks 19 all with bottom plate 1's last lateral wall fixed connection, the common fixed second lead screw 20 that is provided with in one side that two fixed blocks 19 are adjacent, the left end of second lead screw 20 is passed through and is rotated between second bearing and the fixed block 19 and be connected, the right-hand member of second lead screw 20 runs through the lateral wall of fixed block 19 and extends to the outside, the pole wall threaded connection of second lead screw 20 has second slider 21, the lower lateral wall of second slider 21 and the last lateral wall sliding connection of bottom plate 1, the fixed connecting block 22 that is provided with of lower lateral wall of stand pipe 12, the lower lateral wall of connecting block 22 and the last lateral wall of second slider 21 rotate through the fourth pivot and are connected with guide bar 23.

The lower side wall of the bottom plate 1 is fixedly provided with symmetrical universal wheels, so that the whole sanding device can move conveniently.

The mounting plate 4 is fixedly connected with the left side wall of the box body 2 through symmetrical first bolts, and when the air blower is damaged, the air blower is convenient to mount or dismount.

The right-hand member of connecting pipe 6 and the left end of tuber pipe 10 all fixedly are provided with the flange seat, through second bolt fixed connection between two flange seats.

The right end of the first screw rod 13 is fixedly provided with a handle, so that the first screw rod can be rotated more easily to drive the adjusting mechanism to move.

The right end of the second screw rod 20 is fixedly provided with a rotating block, so that the second screw rod can rotate conveniently, and the guide mechanism can be adjusted more easily.

In conclusion, when the semi-automatic sand spreading device for machining precision castings is used, the box cover 3 is opened, sand is placed in the box body 2, the air blower 5 is started, the air blower 5 blows out a large amount of air flow through the connecting pipe 6 and the air outlet pipe 10, the handle is rotated, the handle drives the first screw rod 13 fixedly connected with the left end to rotate, the first screw rod 13 drives the first slide block 15 in threaded connection with the rod wall to move, the two first slide blocks 15 drive the push rod 16 in rotatable connection with the lower side wall to move, the two push rods 16 drive the movable plate 17 in rotatable connection with the lower end to move, the movable plate 17 drives the circular truncated cone block 18 fixedly connected with the lower end to move, the circular truncated cone blocks 18 are in contact connection with the sand leakage holes, the flow rate of sand leakage is controlled as required, the rotary block is rotated, the rotary block drives the second screw rod 20 fixedly connected with the left end to rotate, the second screw rod 20 drives the second slide block 21, second slider 21 drives the guide bar 23 motion that the lateral wall rotated to connect, and guide bar 23 drives the upper end and rotates the connecting block 22 motion of connecting, and connecting block 22 promotes lateral wall fixed connection's stand pipe 12 and removes, adjusts the moving direction of grit, and it is more even to be convenient for make the grit lay in precision casting upper end, increases precision casting's production quality.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is 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.