CN210498249U

CN210498249U - Coating and sanding device for investment casting

Info

Publication number: CN210498249U
Application number: CN201921208823.8U
Authority: CN
Inventors: 张华庄
Original assignee: Haixing Houde Stainless Steel Products Co Ltd
Current assignee: Haixing Houde Stainless Steel Products Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-12
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a coating for investment casting, sanding device, comprises a workbench, be provided with the operation panel on the workstation, the operation panel makes it can follow the workstation and do left and right round trip through the cooperation of a servo motor and lead screw, the operating arm has set firmly on the operation panel, the one end of operating arm extends to the outside of workstation, the one end that the operating arm outwards extends is provided with the operation panel that can overturn downwards, but be provided with the fly leaf of back-and-forth movement on the operation panel, be provided with rotatable centre gripping subassembly on the fly leaf, the centre gripping subassembly is used for fixed wax module group. The utility model discloses a cooperation between slidable operation panel, operation arm, operation panel, fly leaf and the centre gripping subassembly has realized the automation of wax matrix mortar coating, sanding work, has saved artificial repeated operation, and not only labour saving and time saving has also improved moulding efficiency greatly to automatic mortar coating, sanding also make on every wax matrix coated thick liquids, sand material more even, and then improved the accuracy of foundry goods.

Description

Coating and sanding device for investment casting

Technical Field

The utility model relates to an investment casting equipment technical field especially relates to a coating, sanding device for investment casting.

Background

The investment casting is to make the wax pattern of the part to be cast with wax, then the wax pattern is coated with slurry and treated with sanding to form a mud pattern, the mud pattern is dried and then baked into a ceramic pattern, once baked, the wax pattern in the mud pattern will melt, thus leaving a pouring gate, then pouring molten metal from the pouring gate, after cooling, the required part is made, but the existing investment pattern usually needs to be manually and repeatedly coated with slurry and sanded in the processing process, and finally the mud pattern is made to be molded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a coating, sanding device for investment casting to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a coating and sanding device for investment casting comprises a workbench, wherein an operation table is arranged on the workbench, the operation table can reciprocate left and right along the workbench through the matching of a first servo motor and a lead screw, an operation arm is fixedly arranged on the operation table, one end of the operation arm extends towards the outer side of the workbench, an operation plate capable of overturning downwards is arranged at the end, extending outwards, of the operation arm, a movable plate capable of moving back and forth is arranged on the operation plate, a clamping assembly is arranged on the movable plate, a second servo motor for driving the clamping assembly to rotate is further arranged on the movable plate, and the clamping assembly is used for fixing a wax module;

the workbench is sequentially provided with a coating bucket, a sand bucket and a cooling pool from right to left on one side corresponding to the clamping assembly, and one side of the sand bucket is provided with an automatic sanding mechanism;

automatic sanding mechanism is including setting up the support frame of sand bucket one side, the roof of support frame extends and sets up the top at the wax matrix group to sand bucket one side, the roof is in corresponding the position of wax matrix group top is provided with the sieve box that can shake automatically and sand.

Further, both ends are provided with the mounting panel respectively about the workstation, one of them mounting panel is passed to the one end of lead screw, and the other end of lead screw supports and leans on another mounting panel, and the lead screw is provided with from the driving wheel in its one end that passes the mounting panel, the bottom of workstation with be provided with from the position of driving wheel homonymy first servo motor, first servo motor's transmission end is provided with the runner, the runner with pass through driving belt from the driving wheel and be connected.

Furthermore, the workbench is provided with slide rails at positions corresponding to two sides of the lead screw, and the bottom of the operating platform is provided with a slide block arranged on the slide rails.

Furthermore, the operation arm passes through the bolt fastening on the operation panel, the top of operation arm is being close to one side of operation panel is provided with first pneumatic cylinder, the piston rod of first pneumatic cylinder is articulated with the operation panel, and the one end that the piston rod was kept away from to first pneumatic cylinder is articulated with the operation arm, and the operation panel is provided with the installation pterygoid lamina in the position that corresponds the piston rod below, the installation pterygoid lamina is articulated with the tip of operation arm.

Furthermore, a sliding rod is arranged on one side, far away from the operating arm, of the operating plate along the circumferential direction, the movable plate is sleeved on the sliding rod, a second hydraulic cylinder is further arranged on the operating plate, a piston rod of the second hydraulic cylinder is fixedly connected with the movable plate, and the movable plate moves back and forth along the sliding rod through the driving of the second hydraulic cylinder.

Further, the second servo motor is installed on the rear side of the movable plate, the transmission end of the second servo motor penetrates through the movable plate, and the clamping component is fixedly arranged at the end portion of the second servo motor.

Further, the clamping assembly comprises a connecting plate fixedly connected with the second servo motor, two opposite air cylinders are arranged on the connecting plate, clamping blocks are arranged on piston rods of the air cylinders, and grooves used for clamping the wax modules are formed in the clamping blocks.

Furthermore, the top plate is provided with a movable notch at a position corresponding to the upper part of the wax mould group, two sides in the movable notch are provided with angle iron supports, the sieve box is placed on the angle iron supports, the support frame is provided with a support plate at a position corresponding to the lower part of the top plate, a transmission motor and a transmission wheel are arranged at a position far away from the sieve box on the support plate, teeth are arranged on the transmission wheel along the circumferential direction, a gear matched with the teeth is arranged at the transmission end of the transmission motor, an eccentric rod is arranged at a position far away from the axis of the eccentric rod at one side of the transmission wheel, a connecting seat is arranged at the bottom of the sieve box, the eccentric rod is connected with the connecting seat through a transmission rod, and two ends of the transmission rod are.

Further, the sieve box is including placing bottom plate on the angle bar support, the bottom plate is in corresponding the position of wax die set is provided with the mounting groove, be provided with fine mesh screen cloth in the mounting groove, on the bottom plate corresponding screen cloth position all around has set firmly the bounding wall, the connecting seat sets up in the bottom of bottom plate and is close to one side of drive wheel.

Furthermore, the operating platform is provided with the maintenance splint in the position that corresponds the operating arm both sides, the maintenance splint pass through bolt respectively with operating platform and operating arm fixed connection.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses a cooperation between slidable operation panel, operation arm, operation panel, fly leaf and the centre gripping subassembly has realized the automation of wax matrix mortar coating, sanding work, has saved artificial repeated operation, and not only labour saving and time saving has also improved moulding efficiency greatly to automatic mortar coating, sanding also make on every wax matrix coated thick liquids, sand material more even, and then improved the accuracy of foundry goods.

Drawings

FIG. 1 is a schematic view of the main structure of the embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is a schematic view of a planar structure of a worktable according to an embodiment of the present invention;

fig. 5 is a schematic view of the plane structure of the automatic sanding mechanism of the embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, the coating and sanding device for investment casting according to the present embodiment includes a table 1, wherein an operation platform 2 is disposed on the table 1, the operation platform 2 is capable of reciprocating left and right along the table 1 through cooperation of a first servo motor 3 and a lead screw 4, an operation arm 5 is fixedly disposed on the operation platform 2, one end of the operation arm 5 extends to the outside of the table 1, an operation plate 6 capable of being turned over downward is disposed at one end of the operation arm 5 extending outward, a movable plate 7 capable of moving back and forth is disposed on the operation plate 6, a clamping assembly 8 is disposed on the movable plate 7, a second servo motor 9 for driving the clamping assembly 8 to rotate is further disposed on the movable plate 7, and the clamping assembly 8 is used for fixing a wax mold assembly 10;

the workbench 1 is provided with a coating bucket 11, a sand bucket 12 and a cooling pool 13 in sequence from right to left on one side corresponding to the clamping assembly 8, and one side of the sand bucket 12 is provided with an automatic sanding mechanism;

automatic mechanism of spilling sand is including setting up the support frame 17 of sand barrel 12 one side, the roof 17a of support frame 17 extends and sets up in the top of wax matrix group 10 to sand barrel 12 one side, and roof 17a is provided with the sieve box 18 that can shake automatically and spill sand in the position that corresponds wax matrix group 10 top.

The left end and the right end of the workbench 1 are respectively provided with a mounting plate 1a, one end of a lead screw 4 penetrates through one mounting plate 1a, the other end of the lead screw 4 is abutted against the other mounting plate 1a, the lead screw 4 is provided with a driven wheel 4a at the end penetrating through the mounting plate 1a, the bottom of the workbench 1 is provided with a first servo motor 3 at the position which is at the same side with the driven wheel 4a, the transmission end of the first servo motor 3 is provided with a rotating wheel 3a, and the rotating wheel 3a is connected with the driven wheel 4a through a transmission belt 14.

The workbench 1 is provided with slide rails 1b at positions corresponding to two sides of the screw rod 4, the bottom of the operating platform 2 is provided with four slide blocks 2a installed on the slide rails 1b, and the slide blocks 2a are arranged along the circumferential direction of the operating platform 2.

The driving rotating wheel 3a of the first servo motor 3 rotates, the rotating wheel 3a drives the driven wheel 4a to rotate through the belt 14, the lead screw 4 is driven to rotate, the operation platform 2 is finally driven to move along the sliding rail 1b, and the operation platform 2 is driven to move left and right through positive and negative rotation of the first servo motor 3.

The operating arm 5 is fixed on the operating platform 2 through a bolt, a first hydraulic cylinder 15 is arranged on one side, close to the operating plate 6, of the top of the operating arm 5, a piston rod of the first hydraulic cylinder 15 is hinged with the operating plate 6, one end, far away from the piston rod, of the first hydraulic cylinder 15 is hinged with the operating arm 5, an installation wing plate 6a is arranged on the operating plate 6 at a position corresponding to the lower portion of the piston rod, and the installation wing plate 6a is hinged with the end portion of the operating arm 5.

Starting the first hydraulic cylinder 15, because the first hydraulic cylinder 15 is hinged to the operating arm 5 and the operating plate 6, the piston rod thereof pushes the operating plate 6 to turn downwards, so that the movable plate 7, the clamping assembly 8, the wax module 10 and other components are all vertically arranged downwards, and when the piston rod is contracted, the operating plate 6 can be re-erected, so that other components are horizontally arranged.

The operating plate 6 is provided with a sliding rod 6b along the circumferential direction on one side far away from the operating arm 5, the movable plate 7 is sleeved on the sliding rod 6b, the operating plate 6 is further provided with a second hydraulic cylinder 16, a piston rod of the second hydraulic cylinder 16 is fixedly connected with the movable plate 7, the movable plate 7 moves back and forth along the sliding rod 6b through the driving of the second hydraulic cylinder 16, the movable plate 7 can move to conveniently adjust the position of the wax module 10, when the wax module 10 vertically faces downwards to the paint bucket 11, the second hydraulic cylinder 16 pushes the wax module 10 to be immersed into the paint, but after the painting is completed, the second hydraulic cylinder 16 lifts the wax module 10 in the paint bucket 11.

The second servo motor 9 is installed at the rear side of the movable plate 7, the transmission end of the second servo motor 9 passes through the movable plate 7 and the clamping assembly 8 is fixedly arranged at the end thereof.

The clamping assembly 8 comprises a connecting plate 8a fixedly connected with the second servo motor 9, two opposite air cylinders 8b are arranged on the connecting plate 8a, clamping blocks 8c are arranged on piston rods of the air cylinders 8b, and grooves used for clamping the wax die sets 10 are formed in the clamping blocks 8 c.

Place the end of holding of wax matrix group 10 between two clamp splice 8c, start cylinder 8b, make two clamp splice 8c press from both sides tight wax matrix group 10, scribble thick liquid to wax matrix group 10 at every turn, in the sanding during operation, can artifically place wax matrix group 10 in clamp splice 8c department, also can place wax matrix group 10 on putting the thing bench, make clamping component 8 carry out automatic centre gripping to wax matrix group 10 through the cooperation drive of each part, and clamping component 8 can be as required along the horizontal multiunit that is provided with of fly leaf 7, thereby realize centre gripping multiunit wax matrix group 10 once.

The top plate 17a is provided with a movable notch 17b at a position corresponding to the upper part of the wax die set 10, two sides in the movable notch 17b are provided with angle iron supports 19, the sieve box 18 is placed on the angle iron supports 19, the support frame 17 is provided with a support plate 17c at a position corresponding to the lower part of the top plate 17a, a transmission motor 20 and a transmission wheel 21 are arranged on the support plate 17c at a position far away from the sieve box 18, the transmission wheel 21 is fixed on the support plate 17c through a support rod, teeth are arranged on the transmission wheel 21 along the circumferential direction, a gear 20a working in cooperation with the teeth is arranged at the transmission end of the transmission motor 20, an eccentric rod 21a is arranged on one side of the transmission wheel 21 at a position far away from the axis center of the transmission wheel, a connecting seat 18a is arranged at the bottom of the sieve box 18, the eccentric rod 21a is connected with the.

The screen box 18 comprises a bottom plate 18b placed on an angle iron support 19, a mounting groove is formed in the position, corresponding to the wax die set 10, of the bottom plate 18b, a fine screen 18c is arranged in the mounting groove, a surrounding plate 18d is fixedly arranged on the position, corresponding to the periphery of the screen 18c, of the bottom plate 18b, and a connecting seat 18a is arranged at the bottom of the bottom plate 18b and close to one side of a driving wheel 21.

The driving motor 20 is started, the gear 20a on the driving motor 20 drives the driving wheel 21 to rotate, the eccentric rod 21a is arranged at the eccentric position of the driving wheel 21, the eccentric rod 21a is connected with the connecting seat 18a at the bottom of the screen box 28 through the driving rod 22, the driving rod 22 is respectively hinged with the driving rod 21 and the screen box 28, when the driving wheel 21 rotates, the driving rod 22 is driven to reciprocate back and forth, the screen box 18 is pulled to shake back and forth on the angle iron support 19, quartz sand is poured into the enclosing plate 18d, the accumulated quartz sand cannot leak naturally due to the small mesh number of the screen 18c, when the screen box 18 shakes, the quartz sand can shake down along the screen 18c and is scattered on the wax module 10 below the screen 18c, and compared with manual sand scattering, the sand method saves time and labor, and is more uniform in sand scattering.

The operation table 2 is provided with fixing clamps 2b at positions corresponding to both sides of the operation arm 5, and the fixing clamps 2b are fixedly connected to the operation table 2 and the operation arm 5 by bolts, respectively.

The utility model discloses well power devices such as pneumatic cylinder, servo motor and cylinder all communicate with the PLC switch board, through predetermineeing the procedure, control each pneumatic cylinder, when the cylinder starts and control servo motor opens and stops when, and servo motor's rotational speed can also be controlled, PLC control cabinet is last to be provided with the operating button that independent control second pneumatic cylinder 16 opened and stop, thereby the convenience carries out actual adjustment according to the liquid level of scribbling the interior coating of storage bucket 11, driving motor 20 opens through manual switch control and stops.

The utility model discloses a theory of operation does: after the wax module 10 is clamped by the clamping component 8, the first servo motor 3 is driven by the lead screw 4 in a matching way to drive the operation table 2 to move, when the wax module 10 moves to the position of the coating bucket 11, the first servo motor 3 stops working, then the first hydraulic cylinder 15 is started to push the operation plate 6 to turn downwards, at this time, the wax module 10 vertically faces to the coating bucket 11 and the second hydraulic cylinder 16 is started to adjust the position of the wax module 10, so that the wax module 10 is completely immersed into the coating, then the second servo motor 9 is started, the second servo motor 9 rotates slowly and uniformly, so that the wax module 10 performs uniform coating in the coating bucket 11, after the wax module 10 is coated, the second hydraulic cylinder 16 lifts the wax module 10 in the coating bucket 11, when the second servo motor 9 stops working, the residual material falls back into the coating bucket 11 slightly after stopping, then the first hydraulic cylinder 15 contracts to enable the wax module 10 to be horizontally arranged, and the first servo motor 3 is started again to drive the wax module 10 to move to the position above the sand barrel 12, the first servo motor 3 stops working, the second servo motor 9 is started to drive the wax module 10 coated with the slurry to rotate at a slow speed, at the moment, the transmission motor 20 is started to drive the transmission wheel 21 to rotate, the drying box 18 filled with the quartz sand shakes continuously through the cooperation among the transmission wheel 21, the transmission rod 22 and the drying box 18, the quartz sand falls at the screen 18c and is adhered to the slurry of the wax module 10 along with the shaking of the drying box 18, the redundant quartz sand falls into the sand barrel 12 to be recycled, after the sand spraying work is finished, the transmission motor 20 is closed, the second servo motor 9 stops working, meanwhile, the first servo motor 3 is started again to move the wax module 10 coated with the coating and the quartz sand to the position above the cooling tank 13, at the moment, the operation plate 6 is driven by the first hydraulic cylinder 15 to turn downwards again, so that the wax mould set 10 is vertically towards the cooling pool 13, then the piston rod of the cylinder 8b contracts, the clamping of the clamping block 8c to the wax mould set 10 is released, the wax mould set 10 falls into the cooling pool 13 for cooling treatment, at the same time, the first hydraulic cylinder 15 resets the operating plate 6 and the first servo motor 3 rotates reversely to move the operating platform 2 to the initial position integrally, and the clamping block 8c is driven by the cylinder 8b to clamp a new wax mould set 10 again for repeating the coating and sanding work, while the device works, a worker can collect and convey the cooled wax mould set 10 to the initial position of the operating platform 2 for performing the second coating and sanding work, and the operation is repeated until a mud mould outside the wax mould set 10 is formed, the device adopts automatic operation, the worker is saved from taking the wax mould set 10 to and fro among the coating box 11, the sand barrel 12 and the cooling pool 13, time and labor are saved, and the working efficiency is improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a coating, sanding device for investment casting which characterized in that: the wax mould set comprises a workbench, wherein an operation table is arranged on the workbench, the operation table can reciprocate left and right along the workbench through the matching of a first servo motor and a lead screw, an operation arm is fixedly arranged on the operation table, one end of the operation arm extends to the outer side of the workbench, an operation plate capable of turning downwards is arranged at the end, extending outwards, of the operation arm, a movable plate capable of moving back and forth is arranged on the operation plate, a clamping component is arranged on the movable plate, a second servo motor driving the clamping component to rotate is further arranged on the movable plate, and the clamping component is used for fixing a wax mould set;

2. The apparatus of claim 1, wherein: the utility model discloses a hydraulic servo motor, including workstation, lead screw, first servo motor, first mounting panel, the workstation is provided with the mounting panel about both ends respectively, one of them mounting panel is passed to the one end of lead screw, and the other end of lead screw supports and leans on another mounting panel, and the lead screw is provided with from the driving wheel in its one end that passes the mounting panel, the bottom of workstation with be provided with from the position of driving wheel homonymy first servo motor, first servo motor's transmission end is provided with the runner, the runner with pass.

3. The apparatus of claim 2, wherein: the workbench is provided with slide rails at positions corresponding to two sides of the lead screw, and the bottom of the operating platform is provided with a slide block arranged on the slide rails.

4. The apparatus of claim 1, wherein: the operation arm passes through the bolt fastening on the operation panel, the top of operation arm is being close to one side of operation panel is provided with first pneumatic cylinder, the piston rod of first pneumatic cylinder is articulated with the operation panel, and the one end that the piston rod was kept away from to first pneumatic cylinder is articulated with the operation arm, and the operation panel is provided with the installation pterygoid lamina in the position that corresponds the piston rod below, the installation pterygoid lamina is articulated with the tip of operation arm.

5. The apparatus of claim 1, wherein: the operating arm is arranged on the operating plate, the movable plate is sleeved on the sliding rod, the operating plate is further provided with a second hydraulic cylinder, a piston rod of the second hydraulic cylinder is fixedly connected with the movable plate, and the movable plate moves back and forth along the sliding rod through the driving of the second hydraulic cylinder.

6. The apparatus of claim 1, wherein: the second servo motor is arranged on the rear side of the movable plate, the transmission end of the second servo motor penetrates through the movable plate, and the clamping component is fixedly arranged at the end part of the second servo motor.

7. The apparatus of claim 6, wherein: the clamping assembly comprises a connecting plate fixedly connected with the second servo motor, two opposite cylinders are arranged on the connecting plate, clamping blocks are arranged on piston rods of the cylinders, and grooves used for clamping the wax pattern assembly are formed in the clamping blocks.

8. The apparatus of claim 1, wherein: the wax mould set comprises a wax mould set, a top plate, a supporting plate, a transmission motor, a transmission wheel, a transmission rod, a connecting seat, a transmission rod and a transmission rod, wherein the top plate is provided with a movable notch at a position corresponding to the upper part of the wax mould set, two sides in the movable notch are provided with angle iron supports, the sieve box is placed on the angle iron supports, the supporting plate is arranged at a position corresponding to the lower part of the top plate, the position far away from the sieve box on the supporting plate is provided with the transmission motor and the transmission wheel, teeth are circumferentially arranged on the transmission wheel, the transmission end of the transmission motor is provided with a gear matched with the teeth to work, one side of the transmission wheel is provided with an eccentric rod at a position far away from the axis of.

9. The apparatus of claim 8, wherein: the screen box comprises a bottom plate placed on the angle iron support, a mounting groove is formed in the position, corresponding to the wax die set, of the bottom plate, a fine screen is arranged in the mounting groove, surrounding plates are fixedly arranged on the position, corresponding to the periphery of the screen, of the bottom plate, and the connecting seat is arranged at the bottom of the bottom plate and close to one side of the driving wheel.

10. The apparatus of claim 4, wherein: the operating platform is provided with the maintenance splint in the position that corresponds the operating arm both sides, the maintenance splint pass through bolt respectively with operating platform and operating arm fixed connection.