CN219817271U

CN219817271U - Mould shell cleaning and fixing device

Info

Publication number: CN219817271U
Application number: CN202320615292.4U
Authority: CN
Inventors: 宋杨; 李刚强; 孙涛
Original assignee: Sichuan Zhifeng Superalloy Technology Co ltd
Current assignee: Sichuan Zhifeng Superalloy Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-10-13
Anticipated expiration: 2033-03-27

Abstract

The utility model provides a mould shell cleaning and fixing device, and belongs to the technical field of mould shell cleaning equipment. Including the davit that moves on the frame, the below rotation of davit is provided with the installing frame, is equipped with the installation station that is used for installing the mould shell in the installing frame, and the first clamping assembly who is used for the centre gripping mould shell is installed to the horizontal slidable mounting in both sides that is located the chassis on the inner diapire of installing frame, and the inside of installing frame is followed vertical direction slidable mounting and is had lifting frame, is equipped with the second clamping assembly who is used for the centre gripping pouring cup on the lifting frame. The first clamping component on the mounting frame is used for fixing the mould shell, the second clamping component on the lifting frame is used for fixing the pouring cup, water is filled in the mould shell, and the whole mounting frame swings back and forth relative to the suspension arm, so that the water cleans the inner wall of the mould shell in the mould shell, the mould shell and the pouring cup can be well fixed, and the mould shell and the pouring cup have the effect of improving the qualification rate of products.

Description

Mould shell cleaning and fixing device

Technical Field

The utility model relates to the technical field, in particular to a mould shell cleaning and fixing device.

Background

The quality requirements of the aero-engine are quite strict, in particular, the turbine blade of the combustion chamber, all parts work at higher temperature and high rotating speed, the aero-engine needs to work for a long time under the condition of more than 800 ℃, and meanwhile, the aero-engine also bears larger stress under the conditions of vibration and airflow flushing, so the aero-engine cannot have any metallurgical defects.

The turbine blade is produced by investment casting, belongs to a special process, has long production period and great process control difficulty, is easy to introduce inclusion sources, and needs to clean the mould shell before smelting and casting.

At present, two main modes of mould shell cleaning are manual cleaning, namely an operator directly injects water into the mould shell, and then the mould shell is repeatedly shaken and overturned for several times to achieve the purpose of cleaning, but the mould shell filled with water has high labor intensity and low cleaning working efficiency because the weight of the mould shell is about 10Kg and the mould shell filled with water is about 19Kg, and meanwhile, the pouring cup mould shell is easy to collide or abrade to fall into the mould shell to generate new inclusions. The other is contact type mechanical cleaning, the mode is a method which is frequently used by us, in order to fix the mould shell, the fixing mode is that binding bands are wound, then water is injected into the mould shell, the mould shell is repeatedly turned over for several times, in the cleaning process, the mould shell can be loosened and rubbed, the mould shell at the inner edge of a pouring cup falls into the mould shell, and finally the defects of surface inclusion, penetrating inclusion and the like of castings are caused.

Disclosure of Invention

In view of the above, the present utility model provides a formwork cleaning and fixing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mould shell washs fixing device, including the davit of moving on the frame, the below rotation of davit is provided with the installing frame, be provided with on the davit and be used for driving the pivoted first driving piece of installing frame, be equipped with the installation station that is used for installing the mould shell in the installing frame, install the chassis in the vertical lift on the interior diapire of installing station, be equipped with the second driving piece that is used for driving the chassis to go up and down on the installing frame, be located the first clamping assembly of both sides horizontal sliding mounting on chassis on the interior diapire of installing frame, the inside of installing frame is followed vertical direction slidable mounting and is had lifting frame, be equipped with the third driving piece that is used for driving lifting frame to go up and down relative installing frame on the installing frame, be equipped with the second clamping assembly that is used for the centre gripping pouring cup on the lifting frame.

Further, the first driving piece comprises a first driving motor, a rotating shaft is arranged at one end, close to the mounting frame, of the suspension arm, the rotating shaft is rotationally connected with the mounting frame, the first driving motor is fixedly arranged on the mounting frame, and an output shaft of the first driving motor is in gear transmission connection with the rotating shaft.

Further, the first clamping assembly comprises two first sliding blocks which are symmetrically arranged on two sides of the chassis and horizontally and slidably connected on the mounting frame along the same straight line direction, two connecting rods which are parallel to each other and are connected with the two first sliding blocks in one-to-one correspondence, and a first driving cylinder, wherein a piston rod of the first driving cylinder is fixedly connected with the end part of any connecting rod, the piston rod of the first driving cylinder stretches and contracts along the sliding direction of the first sliding block, a transmission gear is arranged between the two connecting rods, and two sides of the transmission gear are respectively meshed with the two connecting rods.

Further, the second driving piece comprises a screw rod, a sleeve and a second driving motor, the lifting frame is vertically and slidably connected to the mounting frame, the screw rod is vertically and rotatably connected to the mounting frame, the sleeve is fixedly connected with the lifting frame, the second driving motor is arranged on the mounting frame and used for driving the screw rod to rotate, and the sleeve is sleeved on the screw rod in a threaded mode.

Further, the second clamping assembly comprises two clamping rods which are symmetrically arranged, clamping grooves which are matched with the pouring cup are formed in the side wall of the clamping rod, which faces to the other clamping rod, two second driving air cylinders are arranged on the lifting frame, piston rods of the two second driving air cylinders are fixedly connected with the two clamping rods respectively, and the two second driving air cylinders are used for driving the two clamping rods to be close to or far away from each other synchronously.

Further, an air passage is arranged in the clamping rod, one end of the air passage is communicated with the clamping groove, and the other end of the air passage is externally connected with an air compressor.

Further, a flexible layer is arranged on the inner wall of the clamping groove.

Further, the installation station is provided with a plurality of along the length direction of the installation frame at intervals.

The beneficial effects of the utility model are as follows: the first clamping component on the mounting frame is adopted to fix the mould shell, the second clamping component on the lifting frame is adopted to fix the pouring cup, water is filled in the mould shell, and the whole mounting frame swings back and forth relative to the suspension arm, so that the water cleans the inner wall of the mould shell in the mould shell, the shell mould can be well fixed, and offset shaking can not be generated in the process of overturning and moving; the problems of loosening of the mould shell and abrasion and falling of the pouring cup in the cleaning process are solved, the defects of castings are avoided, and the qualification rate of products is improved.

Drawings

FIG. 1 is a schematic plan view of a formwork cleaning apparatus in accordance with an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a connecting portion between a boom and a mounting frame according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a portion of a first clamping assembly on a mounting frame according to an embodiment of the utility model.

Fig. 4 is a schematic diagram of a connection structure between a mounting frame and a lifting frame according to an embodiment of the utility model.

Wherein, 1, a row frame; 11. a suspension arm; 2. a mounting frame; 21. a first driving member; 211. a first driving motor; 212. a rotating shaft; 22. a chassis; 23. a second driving member; 3. a first clamping assembly; 31. a first slider; 32. a connecting rod; 33. a first driving cylinder; 34. a transmission gear; 4. a lifting frame; 41. a third driving member; 411. a screw rod; 412. a sleeve; 413. a second driving motor; 5. a second clamping assembly; 51. a clamping rod; 52. a clamping groove; 53. a second driving cylinder; 54. an airway; 6. a mould shell; 7. a pouring cup.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

The embodiment of the utility model discloses a mould shell cleaning and fixing device. Referring to fig. 1, 2 and 3, including davit 11, installation frame 2 and lifting frame 4, davit 11 is "L" shape, and davit 11 is two in particular, and the symmetry sets up on going frame 1, and the top of two davits 11 is all along going frame 1 length direction sliding connection on going frame 1, and the tip of the horizontal pole in bottom of two davits 11 is just to each other to rotate respectively and connect on the lateral wall of installation frame 2, be equipped with on the davit 11 and be used for driving installation frame 2 pivoted first driving piece 21. The lifting frame 4 is located in the mounting frame 2, a second driving piece 23 for driving the lifting frame 4 to vertically lift relative to the mounting frame 2 is arranged in the mounting frame 2, and a mounting station for mounting the formwork 6 is arranged between the bottom wall in the mounting frame 2 and the lifting frame 4. In the embodiment of the utility model, a plurality of mounting stations are arranged along the length direction of the mounting frame 2, so that a plurality of formworks 6 can be cleaned at the same time, and the cleaning efficiency of the formworks 6 is improved.

Specifically, the chassis 22 is vertically and slidably installed on the inner bottom wall of the installation frame 2 in the installation station, the chassis 22 is used for sealing the bottom opening of the mold shell 6, the installation frame 2 is provided with a second driving piece 23 for driving the chassis 22 to lift, the inner bottom wall of the installation frame 2 is provided with first clamping components 3 positioned on two sides of the chassis 22 and used for clamping and fixing the mold shell 6, and the lifting frame 4 is further provided with a second clamping component 5 for clamping the pouring cup 7 for the first clamping components 3.

After the operator prevents the formwork 6 from being at the installation station on the installation frame 2, the second driving piece 23 is started to drive the chassis 22 to lift so as to seal the bottom opening of the formwork 6, then, water is injected inwards from the top of the formwork 6, the lifting frame 4 is lowered to the periphery of the pouring cup 7, the pouring cup 7 is clamped and fixed, the first driving piece 21 drives the installation frame 2 to swing back and forth on the suspension arm 11, the bottom of the formwork 6 can be sealed through the chassis 22, the pouring cup 7 and the formwork 6 can be kept relatively fixed through the first clamping component 3 and the second clamping component 5, water in the formwork 6 can clean the inside of the formwork 6 in the process of shaking the installation frame 2, the pouring cup 7 is effectively prevented from colliding with the formwork 6, and a better protection effect is achieved on the pouring cup 7 and the formwork 6.

Referring to fig. 2 and 3, in the embodiment of the present utility model, the end portion of the boom 11, which is close to the mounting frame 2, is horizontally and fixedly connected with a rotation shaft 212, the rotation shaft 212 is rotatably connected with the mounting frame 2, the first driving member 21 may be a first driving motor 211, the first driving motor 211 is fixedly mounted on the mounting frame 2 through a bolt, and an output end of the first driving motor 211 is in gear engagement transmission with the rotation shaft 212 through a gear. The first driving motor 211 may be a bi-directional servo motor, and the output shaft of the first driving motor 211 is rotated in a forward and reverse direction, so that the mounting frame 2 swings back and forth with respect to the boom 11.

The second driving member 23 may be a third driving cylinder, the third driving cylinder is fixedly mounted on the mounting frame 2 through a bolt, a piston rod of the third driving cylinder is fixedly connected with the chassis 22, and the chassis 22 can be driven to lift on the mounting frame 2 through the third driving cylinder, and the split state of the chassis 22 and the formwork 6 can be stably maintained.

The first clamping assembly 3 may include at least two first sliders 31, and in this embodiment, the two first sliders 31 are symmetrically distributed on two sides of the chassis 22 and are horizontally slidably connected to the mounting frame 2. The two first sliding blocks 31 are respectively fixedly connected with a connecting rod 32, the connecting rods 32 are parallel to the long side direction of the mounting frame 2, and the connecting rods 32 are simultaneously connected with the first sliding blocks 31 on the same side on a plurality of mounting stations. A transmission gear 34 is further arranged between the two connecting rods 32, racks matched with the transmission gear 34 are arranged on the opposite surfaces of the two connecting rods 32, and two sides of the transmission gear 34 are respectively meshed with the two connecting rods 32. The first driving cylinder 33 is fixedly mounted on the mounting frame 2 through bolts, and a piston rod of the first driving cylinder 33 is fixedly connected with the end part of any connecting rod 32.

The first driving cylinder 33 drives one connecting rod 32 to act, after being driven by the transmission gear 34, the two connecting rods 32 act reversely relatively, so that the two first sliding blocks 31 on the installation station can synchronously close to clamp the formwork 6 or synchronously keep away from to loosen the formwork 6, the formwork 6 on a plurality of installation positions can synchronously clamp the formwork 6 at the same time, the formwork 6 is ensured to be stably fixed on the installation frame 2, and the operation is convenient.

Referring to fig. 4, in the embodiment of the present utility model, the third driving member 41 includes a screw 411, a sleeve 412, and a second driving motor 413. The inner top wall of the installation frame 2 is vertically extended upwards to form a sliding rail, and two ends of the lifting frame 4 are vertically connected to the sliding rail in a sliding manner through sliding blocks. The screw rod 411 is rotatably connected to the mounting frame 2 and parallel to the slide rail, the second driving motor 413 is fixedly mounted on the mounting frame 2 through a bolt, an output shaft of the second driving motor 413 is coaxially connected with one end of the screw rod 411 through a coupling, the sleeve 412 can be fixedly connected to the lifting frame 4 through welding, and the sleeve 412 is simultaneously in threaded sleeve connection with the screw rod 411. The second driving motor 413 can select a bidirectional servo motor, and the output shaft of the second driving motor 413 is rotated in a forward and reverse direction to drive the screw rod 411 to rotate, so that the sleeve 412 and the lifting frame 4 vertically lift under the guidance of the sliding rail. In other embodiments, the second driving member 23 may be a cylinder, a belt lifter, a screw 411 lifter, or the like.

In the embodiment of the present utility model, the second clamping assembly 5 includes two clamping rods 51 and two second driving cylinders 53, the two clamping rods 51 are symmetrical to each other, the two clamping rods 51 are parallel to the long side direction of the mounting frame 2, and the side walls of the two clamping rods 51, which are close to each other, are respectively provided with clamping grooves 52 adapted to the shape of the side wall of the pouring cup 7 corresponding to each mounting station. The two second driving air cylinders 53 are respectively located on the outer sides of the two clamping rods 51, the two driving air cylinders can be fixedly installed on the lifting frame 4 through bolts, the extending and contracting direction of piston rods of the second driving air cylinders 53 is horizontally perpendicular to the length direction of the clamping rods 51, and the piston rods of the two second driving air cylinders 53 are respectively fixedly connected with the two clamping rods 51. The two second driving cylinders 53 are started simultaneously to push the two clamping rods 51 to be close to each other so as to clamp and fix the pouring cup 7 at the upper part of the mould shell 6 on the installation station, so that the pouring cup 7 can keep a static state with the mould shell 6 in the process of rotating and shaking the installation frame 2, the pouring cup 7 and the mould shell 6 are effectively prevented from touching, and the structural integrity of the pouring cup 7 and the mould shell 6 is ensured.

Further, an air passage 54 is provided in the clamping rod 51, one end of the air passage 54 is connected to the inner wall of the clamping groove 52, the other end of the air passage 54 is connected to the air compressor through a tube such as a hose, after the pouring cup 7 is clamped by the clamping rod 51, the air compressor is used for pumping air, so that negative pressure is generated in the opening of the air passage 54 at the clamping groove 52, the pouring cup 7 is stably fixed in the clamping groove 52, and the fixing effect of the pouring cup 7 is improved.

Further, a flexible layer is provided on the inner wall of the holding groove 52 of the holding rod 51 at the contact surface with the pouring cup 7. The flexible layer may be silica gel, foam or air cushion, and in the embodiment of the present utility model, the flexible layer is made of rubber, and after the flexible layer is added, scratches on the outer wall of the pouring cup 7 caused by the clamping rod 51 can be prevented.

The embodiment of the utility model provides a formwork cleaning and fixing device, which is implemented by the following principles: when the mold shell 6 is cleaned, the opening of the mold shell 6 is downwards placed on the installation frame 2, the chassis 22 in the installation frame 2 is driven to ascend so as to seal the opening at the bottom of the mold shell 6, two first sliding blocks 31 on the installation frame 2 are driven to slide and clamp and fix the mold shell 6, then water is filled into the mold shell 6, the lifting frame 4 is lowered to the height of the pouring cup 7, two clamping rods 51 on the lifting frame 4 are driven to synchronously approach to clamp and fix the pouring cup 7, and then the installation frame 2 is driven to swing back and forth relative to the suspension arm 11, so that water in the mold shell 6 can clean the inner wall of the mold shell 6, the mold shell 6 and the pouring cup 7 are kept in a fixed state in the cleaning process, mutual collision of the mold shell 6 and the pouring cup 7 is effectively prevented, the inclusion defect of castings is avoided, and the qualification rate of products is improved.

It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A die shell cleaning and fixing device which is characterized in that: including moving davit (11) on frame (1), the below rotation of davit (11) is provided with mounting frame (2), be provided with on davit (11) and be used for driving mounting frame (2) pivoted first driving piece (21), be equipped with in mounting frame (2) and be used for installing the installation station of mould shell (6), install chassis (22) on the interior diapire of installation station vertical lift, be equipped with second driving piece (23) that are used for driving chassis (22) to go up and down on mounting frame (2), be located the both sides horizontal sliding of chassis (22) on the interior diapire of mounting frame (2) and install first clamping component (3) that are used for centre gripping mould shell (6), the inside of mounting frame (2) is followed vertical direction slidable mounting and is had lifting frame (4), be equipped with on mounting frame (2) and be used for driving lifting frame (4) relative mounting frame (2) third driving piece (41), be equipped with on lifting frame (4) second clamping component (5) that are used for centre gripping pouring cup (7).

2. A formwork cleaning and fixing device according to claim 1, wherein the first driving member (21) comprises a first driving motor (211), a rotating shaft (212) is arranged at one end of the boom (11) close to the mounting frame (2), the rotating shaft (212) is rotationally connected with the mounting frame (2), the first driving motor (211) is fixedly arranged on the mounting frame (2), and an output shaft of the first driving motor (211) is in gear transmission connection with the rotating shaft (212).

3. A formwork cleaning and fixing device according to claim 2, wherein the first clamping assembly (3) comprises two first sliding blocks (31) symmetrically arranged on two sides of the chassis (22) and horizontally connected to the mounting frame (2) in a sliding manner along the same straight line direction, two connecting rods (32) parallel to each other and connected with the two first sliding blocks (31) in a one-to-one correspondence manner, and a first driving cylinder (33), a piston rod of the first driving cylinder (33) is fixedly connected with an end part of any connecting rod (32), a piston rod of the first driving cylinder (33) stretches along the sliding direction of the first sliding blocks (31), a transmission gear (34) is arranged between the two connecting rods (32), and two sides of the transmission gear (34) are respectively meshed with the two connecting rods (32).

4. A formwork cleaning and fixing device according to claim 1, wherein the second driving member (23) comprises a screw rod (411), a sleeve (412) and a second driving motor (413), the lifting frame (4) is vertically slidably connected to the mounting frame (2), the screw rod (411) is vertically rotatably connected to the mounting frame (2), the sleeve (412) is fixedly connected to the lifting frame (4), the second driving motor (413) is arranged on the mounting frame (2) and is used for driving the screw rod (411) to rotate, and the sleeve (412) is in threaded sleeve on the screw rod (411).

5. A mould shell cleaning and fixing device according to claim 1, wherein the second clamping assembly (5) comprises two symmetrically arranged clamping rods (51), clamping grooves (52) matched with pouring cups (7) are formed in the side walls of the clamping rods (51) facing the other clamping rods (51), two second driving air cylinders (53) are arranged on the lifting frame (4), piston rods of the two second driving air cylinders (53) are fixedly connected with the two clamping rods (51) respectively, and the two second driving air cylinders (53) are used for driving the two clamping rods (51) to be close to or far away from each other synchronously.

6. A formwork cleaning and fixing device according to claim 5, wherein an air passage (54) is provided in the clamping rod (51), one end of the air passage (54) is communicated with the clamping groove (52), and the other end is externally connected with an air compressor.

7. A formwork cleaning securing apparatus as claimed in claim 5, wherein the inner wall of the gripping groove (52) is provided with a flexible layer.

8. A formwork cleaning and securing device according to claim 1, wherein said mounting stations are provided in a plurality at intervals along the length of the mounting frame (2).