CN223029335U - Polishing device for casting blank machining - Google Patents

Abstract

The utility model belongs to the field of polishing devices, and particularly relates to a polishing device for processing casting blanks, which comprises a table top, wherein the upper end of the table top is fixedly connected with a frame, the upper end of the frame is fixedly connected with a hydraulic cylinder, the lower end of the output end of the hydraulic cylinder is fixedly connected with a movable plate, the interior of the movable plate is slidably connected with a buffer rod, the lower end of the buffer rod is fixedly connected with a fixing frame, and a replacement mechanism is arranged on the fixing frame. According to the utility model, the positive and negative screw rods, the movable frame, the roller frame and other structures are additionally arranged on the fixed frame, when the polishing belt is required to be replaced, the positive and negative screw rods are rotated, the movable frame can be driven to move by the threaded cooperation between the positive and negative screw rods and the movable frame, the elastic force of the second spring can be released by the movable frame, the supporting roller can be conveniently moved after the elastic force of the second spring disappears, and the polishing belt cannot be supported after the supporting roller moves, so that the polishing belt can be conveniently replaced.

Description

Polishing device for casting blank machining

Technical Field

The utility model relates to the technical field of polishing devices, in particular to a polishing device for processing casting blanks.

Background

The foundry goods blank is the work piece of shaping after casting through the mould, in the in-process of processing the foundry goods blank, need polish the outside of foundry goods, with the irregular part of foundry goods smooth of polishing, in order to further promote the precision of foundry goods, need polish the foundry goods after polishing, but the polishing equipment among the prior art need polish the foundry goods blank through the polishing area in the in-process of using, the polishing area can produce wearing and tearing at the in-process of polishing, need regularly change, but the polishing area is inconvenient for dismantling, influence the normal use of device, and the in-process of polishing is polished to the foundry goods blank, the foundry goods does not have the regulation shape, the appearance exists the arc surface, lead to equipment polishing insufficient. Accordingly, improvements in the art are needed.

Disclosure of utility model

The utility model aims to provide a polishing device for processing a casting blank, which solves the problems that a polishing belt is inconvenient to replace and an arc surface is inconvenient to polish.

The polishing device for the casting blank processing comprises a table top, wherein the upper end of the table top is fixedly connected with a frame, the upper end of the frame is fixedly connected with a hydraulic cylinder, the lower end of the output end of the hydraulic cylinder is fixedly connected with a movable plate, the inside of the movable plate is slidably connected with a buffer rod, the lower end of the buffer rod is fixedly connected with a fixing frame, a replacement mechanism is arranged on the fixing frame, a driving roller is arranged in the fixing frame through a bearing, the outer side of the driving roller is contacted with a polishing belt, a motor is fixedly arranged on the back surface of the fixing frame, and a spring I is arranged on the outer side of the buffer rod.

Preferably, four guide frames which are uniformly distributed are fixedly connected to the outer side of the moving plate, the guide frames are in sliding connection with the support columns of the frame, and the guide frames can guide movement of the moving plate.

Preferably, the output shaft of the motor is fixedly connected with the driving roller, one end of the first spring is fixedly connected with the moving plate, the other end of the first spring is fixedly connected with the fixing frame, and the first spring can support the fixing frame through elasticity.

Preferably, the replacing mechanism comprises a positive screw and a negative screw, the positive screw and the negative screw are installed at the upper end of the fixing frame through bearings, a movable frame is arranged on the outer side of the positive screw and is in threaded connection with two symmetrically distributed guide rod frames, roller frames are slidably connected on the outer sides of the guide rod frames, driven rollers are installed inside the roller frames through bearings, springs II are arranged on the outer sides of the guide rod frames, the driven rollers are in contact with the polishing belt, and the movable frame can compress the springs II.

Preferably, the outside fixedly connected with drive wheel of positive and negative screw rod, remove the frame with mount sliding connection, remove the frame with guide arm frame sliding connection, the drive wheel can drive positive and negative screw rod and rotate.

Preferably, one end of the second spring is fixedly connected with the movable frame, the other end of the second spring is fixedly connected with the roller frame, and the second spring can support the roller frame through elasticity.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the positive and negative screw rods, the movable frame, the roller frame and other structures are additionally arranged on the fixed frame, when the polishing belt is required to be replaced, the positive and negative screw rods are rotated, the movable frame can be driven to move by the threaded cooperation between the positive and negative screw rods and the movable frame, the elastic force of the second spring can be released by the movable frame, the supporting roller can be conveniently moved after the elastic force of the second spring disappears, and the polishing belt cannot be supported after the supporting roller moves, so that the polishing belt can be conveniently replaced.

2. According to the polishing device, the buffer rod, the roller frame, the springs and the like are additionally arranged on the fixing frames, the fixing frames can be supported through the first pair of springs outside the buffer rod in the using process, meanwhile, the second pair of springs and the supporting rollers are used for supporting, after the pressure is increased, the polishing belt can deform and wrap the cambered surface of the casting blank, and therefore the casting blank can be polished conveniently.

Drawings

FIG. 1 is a perspective view of the whole structure of the present utility model;

FIG. 2 is a perspective view of the whole structure of the present utility model;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1 in accordance with the present utility model;

FIG. 4 is an enlarged perspective view of the positive and negative screw of FIG. 3 according to the present utility model;

FIG. 5 is an enlarged perspective view of the mobile frame of FIG. 3 according to the present utility model;

fig. 6 is an enlarged perspective view of the roller housing of fig. 3 in accordance with the present utility model.

The device comprises a table top 1, a table top 2, a frame 3, a hydraulic cylinder 4, a movable plate 5, a guide frame 6, a buffer rod 7, a fixed frame 8, a replacement mechanism 9, a driving roller 10, a motor 11, a polishing belt 12, a first spring 81, a positive and negative screw 82, a movable frame 83, a driving wheel 84, a guide rod frame 85, a roller frame 86, a driven roller 87 and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, a polishing device for processing a casting blank comprises a table top 1, wherein the upper end of the table top 1 is fixedly connected with a frame 2, the upper end of the frame 2 is fixedly connected with a hydraulic cylinder 3, the lower end of the output end of the hydraulic cylinder 3 is fixedly connected with a movable plate 4, the inside of the movable plate 4 is slidably connected with a buffer rod 6, the lower end of the buffer rod 6 is fixedly connected with a fixing frame 7, a replacement mechanism 8 is arranged on the fixing frame 7, a driving roller 9 is arranged in the fixing frame 7 through a bearing, the outer side of the driving roller 9 is contacted with a polishing belt 11, the back of the fixing frame 7 is fixedly provided with a motor 10, and the outer side of the buffer rod 6 is provided with a spring I12.

Referring to fig. 1, 2 and 3, four evenly distributed guide frames 5 are fixedly connected to the outer side of the moving plate 4, the guide frames 5 are slidably connected with the support columns of the frame 2, the guide frames 5 can guide the movement of the moving plate 4, an output shaft of the motor 10 is fixedly connected with the driving roller 9, one end of the first spring 12 is fixedly connected with the moving plate 4, the other end of the first spring 12 is fixedly connected with the fixing frame 7, and the first spring 12 can support the fixing frame 7 through elastic force.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, the replacing mechanism 8 includes a forward and reverse screw 81, the forward and reverse screw 81 is mounted at the upper end of the fixing frame 7 through a bearing, the forward and reverse screw 81 is connected with a moving frame 82 through a thread, two symmetrically distributed guide rod frames 84 are fixedly connected with the inside of the fixing frame 7, a roller frame 85 is slidably connected with the outside of the guide rod frames 84, a driven roller 86 is mounted in the inside of the roller frame 85 through a bearing, a spring II 87 is arranged at the outside of the guide rod frames 84, the driven roller 86 is in contact with the polishing belt 11, the moving frame 82 can compress the spring II 87, a driving wheel 83 is fixedly connected with the outside of the forward and reverse screw 81, the moving frame 82 is slidably connected with the fixing frame 7, the moving frame 82 is slidably connected with the guide rod frames 84, the driving wheel 83 can drive the forward and reverse screw 81 to rotate, one end of the spring II 87 is fixedly connected with the moving frame 82, the other end of the spring II 87 is fixedly connected with the roller frame 85, and the spring II 87 can support the roller frame 85 through elasticity.

When the polishing belt 11 is used, the driving wheel 83 is rotated, the driving wheel 83 drives the forward and backward screw 81 to rotate, the forward and backward screw 81 drives the moving frame 82 to move through threaded fit between the forward and backward screw 81 and the moving frame 82 in the forward rotation process, when the moving frame 82 does not compress the second spring 87, the driven roller 86 is then moved, when the driven roller 86 is separated from the polishing belt 11, the polishing belt 11 can be conveniently taken down, then a new polishing belt 11 is sleeved on the outer sides of the driving roller 9 and the driven roller 86, then the driving wheel 83 is rotated reversely, the driving wheel 83 rotates with the forward and backward screw 81, the second spring 87 can be extruded through threaded fit between the forward and backward screw 81, and elasticity is generated after the second spring 87 is extruded, and the elasticity can tighten the polishing belt 11 through the driven roller 86, so that the polishing belt 11 can be conveniently and rapidly replaced;

In the process of polishing a casting blank, the motor 10 is started, the motor 10 drives the driving roller 9 to rotate, the driving roller 9 drives the polishing belt 11 to rotate, meanwhile, the hydraulic cylinder 3 is started, the hydraulic cylinder 3 drives the moving plate 4 and the fixing frame 7 to move downwards, the fixing frame 7 can drive the polishing belt 11 to contact with a casting in the moving process, polishing can be carried out through the polishing belt 11 which moves after contact, the polishing belt 11 can be pushed to be extruded on the outer side of the casting through the elastic force of the first spring 12 after contact, when the arc surface needs to be polished, the hydraulic cylinder 3 applies downward force to the fixing frame 7, after the pressure of the fixing frame 7 is transferred to the polishing belt 11, the polishing belt 11 can be deformed, the second spring 87 can be compressed through the second driven roller 86, the second spring 87 can continuously tension the polishing belt 11 through the elastic force, the polishing belt 11 can be more attached to the arc surface of the casting after deformation, and therefore the arc surface of the casting can be polished conveniently.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The polishing device for casting blank machining comprises a table top (1) and is characterized in that the upper end of the table top (1) is fixedly connected with a frame (2), the upper end of the frame (2) is fixedly provided with a hydraulic cylinder (3), the lower end of the output end of the hydraulic cylinder (3) is fixedly connected with a movable plate (4), the inside of the movable plate (4) is slidably connected with a buffer rod (6), the lower end of the buffer rod (6) is fixedly connected with a fixing frame (7), the fixing frame (7) is provided with a replacement mechanism (8), a driving roller (9) is arranged in the fixing frame (7) through a bearing, the outer side of the driving roller (9) is contacted with a polishing belt (11), the back of the fixing frame (7) is fixedly provided with a motor (10), and the outer side of the buffer rod (6) is provided with a spring I (12).

2. The polishing device for casting blank machining according to claim 1, wherein four guide frames (5) which are uniformly distributed are fixedly connected to the outer side of the moving plate (4), and the guide frames (5) are in sliding connection with the support posts of the frame (2).

3. The polishing device for casting blank machining according to claim 1, wherein an output shaft of the motor (10) is fixedly connected with the driving roller (9), one end of the first spring (12) is fixedly connected with the moving plate (4), and the other end of the first spring (12) is fixedly connected with the fixing frame (7).

4. The polishing device for casting blank machining according to claim 1, wherein the replacing mechanism (8) comprises a positive and negative screw rod (81), the positive and negative screw rod (81) is installed at the upper end of the fixing frame (7) through a bearing, a movable frame (82) is connected to the outer side of the positive and negative screw rod (81) through threads, two symmetrically distributed guide rod frames (84) are fixedly connected to the inner side of the fixing frame (7), a roller frame (85) is connected to the outer side of the guide rod frames (84) in a sliding mode, a driven roller (86) is installed inside the roller frame (85) through a bearing, a spring II (87) is arranged on the outer side of the guide rod frames (84), and the driven roller (86) is in contact with the polishing belt (11).

5. The polishing device for casting blank processing according to claim 4, wherein a driving wheel (83) is fixedly connected to the outer side of the forward and reverse screw (81), the movable frame (82) is slidably connected to the fixed frame (7), and the movable frame (82) is slidably connected to the guide rod frame (84).

6. The polishing device for casting blank processing according to claim 4, wherein one end of the second spring (87) is fixedly connected with the movable frame (82), and the other end of the second spring (87) is fixedly connected with the roller frame (85).