Polishing device for metal casting production

Abstract

The utility model discloses a polishing device for metal casting production, which is used for polishing the outer wall of a cylindrical metal casting and comprises a fixing seat and a bearing seat fixedly mounted on the fixing seat, an annular groove is formed in the fixing seat, a polishing mechanism capable of moving in the annular groove is movably mounted in the annular groove, and the bearing seat is fixedly mounted on the fixing seat. The bearing seat is composed of a plurality of bearing pipes with square sections, and the bearing pipes are evenly arranged around the circle center of the annular groove and located on one radius line of the annular groove. According to the grinding device for metal casting production, simple and reasonable structure matching is adopted, a high-automation grinding mechanism replaces conventional manual grinding, the grinding efficiency is improved while the grinding effect is guaranteed, the grinding head keeps constant-pressure contact in the whole process under the matching of the pressure sensor and the telescopic rod, and the grinding efficiency is improved. And the polishing smoothness and uniformity are higher and more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal casting production equipment technical field especially relates to a kind of polishing device for metal casting production. BACKGROUND

[0002] In some special cylindrical metal casting production process, in order to improve the connection effect of subsequent casting and other metal parts, the surface smoothness of metal casting needs to be guaranteed, so the surface of metal casting is usually polished after being processed into shape. For large volume metal casting, the current conventional automatic polishing equipment cannot be adapted, and only manual polishing by employees holding grinding wheel or polishing machine and other tools can be used, which is extremely inefficient, and requires higher operating personnel, otherwise the surface smoothness of each point of casting surface is not uniform, causing abnormal subsequent assembly connection.

[0003] Therefore, in view of the above technical problems, it is necessary to provide a new technical solution. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of polishing device for metal casting production, which can realize the automatic polishing of large cylindrical metal casting surface, and has higher polishing efficiency and polishing completeness, and the product surface smoothness is more uniform.

[0005] To solve the above technical problems, the utility model provides a kind of polishing device for metal casting production, and the specific technical solution is as follows:

[0006] A kind of polishing device for metal casting production is used to polish the outer wall of cylindrical metal casting, comprising a fixed seat and a bearing seat fixedly installed on the fixed seat, an annular groove is formed in the fixed seat, and a polishing mechanism movable in the annular groove is movably installed in the annular groove, the bearing seat is composed of a plurality of bearing tubes with square cross section, each bearing tube is uniformly arranged around the center of the annular groove and located on one radius line of the annular groove, the metal casting is detachably fixed on the bearing seat and coaxially placed with the annular groove, the polishing mechanism comprises a moving rail movably arranged in the annular groove and a polishing head movable up and down along the moving rail, and the polishing head points to the center axis direction of the annular groove.

[0007] Preferably, a sliding block is installed on the moving rail, the sliding block can reciprocate along the moving rail, a telescopic rod is installed on the sliding block, the telescopic direction of the telescopic rod is located in the direction of one radius of the annular groove, and the polishing head is fixed at the end of the telescopic rod away from the sliding block to facilitate approaching or moving away from the metal casting on the bearing seat.

[0008] Preferably, a pressure sensor is provided between the grinding head and the telescopic rod, and the pressure sensor is electrically connected to the telescopic rod so as to control the movement of the telescopic rod according to the pressure of the grinding head.

[0009] Preferably, the support seat is equipped with locking sliding blocks, and there are at least three locking blocks evenly arranged around the center of the support seat. The outer wall of the locking blocks is adapted to the curvature of the inner wall of the metal casting.

[0010] Preferably, a rotating mechanism is provided above the fixed base. The rotating mechanism includes a rotating shaft and a chuck that is driven by the rotating shaft to rotate around the axial direction of the metal casting and can move up and down. The chuck is adapted to the top of the side wall of the metal casting.

[0011] Preferably, at least one pair of adjustable-pitch clamping arms are installed at the bottom end of the rotating shaft, and each clamping arm is equipped with a chuck at its bottom end. The rotating shaft can move up and down in the vertical direction to drive the chucks closer to or away from the metal casting.

[0012] This utility model provides a grinding device for metal casting production, which has the following beneficial effects:

[0013] This utility model relates to a grinding device for metal casting production. By adopting a simple and reasonable structural combination, it replaces conventional manual grinding with a highly automated grinding mechanism. While ensuring the grinding effect, it improves the grinding efficiency. With the cooperation of the pressure sensor and the telescopic rod, the grinding head maintains constant pressure contact throughout the process, resulting in higher and more precise grinding smoothness and uniformity. Moreover, by utilizing the height difference and rotation mechanism, it solves the problem of incomplete grinding caused by interference during automated grinding, further improving grinding efficiency and grinding integrity.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of a grinding device used in the production of metal castings.

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the fixed base.

[0018] Wherein, 1 - fixed seat; 11 - annular groove; 2 - bearing seat; 21 - fastening slider; 3 - polishing mechanism; 31 - moving rail; 32 - sliding block; 33 - telescopic rod; 34 - polishing head; 35 - pressure sensor; 4 - rotating mechanism; 41 - rotating shaft; 42 - clamping arm; 43 - chuck; 5 - metal casting. DETAILED DESCRIPTION

[0019] The embodiments of the present application are described in detail below with reference to the accompanying drawings. The embodiments shown in the drawings are examples, and are intended to explain the present application, and cannot be understood as a limitation of the present application. EMBODIMENT

[0020] Please refer to Figures 1 to 2 A polishing device for metal casting production is used for polishing the outer wall of a cylindrical metal casting 5, comprising a fixed seat 1 and a bearing seat 2 fixedly installed on the fixed seat, an annular groove 11 is formed on the fixed seat, and a polishing mechanism 3 movable in the annular groove is movably installed in the annular groove, the bearing seat is composed of a plurality of bearing tubes with a square cross section, each bearing tube is uniformly arranged around the center of the annular groove and is located on one radius line of the annular groove, the metal casting is detachably fixed on the bearing seat and is coaxially arranged with the annular groove, the polishing mechanism comprises a moving rail 31 vertically movably arranged in the annular groove and a polishing head 34 movable up and down along the moving rail, and the polishing head is directed to the center axis direction of the annular groove.

[0021] A sliding block 32 is installed on the moving rail 31, the sliding block can reciprocate along the moving rail, a telescopic rod 33 is installed on the sliding block, the telescopic direction of the telescopic rod is located on one radius line of the annular groove, and the polishing head is fixed at one end of the telescopic rod away from the sliding block so as to approach or move away from the metal casting on the bearing seat.

[0022] A pressure sensor 35 is arranged between the polishing head 34 and the telescopic rod 33, the pressure sensor is electrically connected with the telescopic rod so as to control the movement of the telescopic rod according to the pressure of the polishing head.

[0023] A fastening slider 21 is movably installed on the bearing seat 2 and can be locked, the fastening slider is at least three and is uniformly arranged around the center of the bearing seat, and the outer side wall of the fastening slider is adapted to the curvature of the inner wall of the metal casting.

[0024] A rotating mechanism 4 is arranged above the fixed seat 1, the rotating mechanism comprises a rotating shaft 41 and a chuck 43 driven by the rotating shaft to rotate around the axis of the metal casting and movable up and down, and the chuck is adapted to the top end of the side wall of the metal casting.

[0025] The rotating shaft 41 is provided with at least one pair of adjustable spacing clamping arms 42 at the bottom end, and each clamping arm is provided with a chuck 43 at the bottom end.

[0026] The polishing device for metal casting production of the embodiment supports the metal casting by the bearing seat formed by the bearing tube and makes the metal casting partially suspended, and then limits and fixes the metal casting by the fastening sliding block 21, and then the polishing mechanism starts to polish the metal casting. The polishing head 34 in the polishing mechanism moves along the annular groove 11 under the control of the moving rail 31, and the polishing head can also move up and down along the moving rail, so as to ensure that the polishing head stroke completely covers the side wall of the metal casting.

[0027] The beneficial effects of the utility model are: by adopting simple and reasonable structure cooperation, the polishing mechanism of high automation is used to replace the conventional manual polishing, the polishing efficiency is improved while the polishing effect is ensured, the polishing head keeps constant pressure contact in the whole process under the cooperation of the pressure sensor and the telescopic rod, the polishing smoothness and uniformity are higher and more accurate, the problem of incomplete polishing caused by interference in the automatic polishing process is solved by using the height difference and the rotating mechanism, and the polishing efficiency and the polishing integrity are further improved.

[0028] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify and change the above-mentioned embodiments within the scope of the utility model.

Claims

1. A polishing device for producing a metal casting, for polishing the outer wall of a cylindrical metal casting (5), characterized by: The utility model relates to a metal casting polishing device, including fixed seat (1) and fixedly installed bearing seat (2) on fixed seat, the fixed seat is opened with annular groove (11), and the annular groove is movably installed with the polishing mechanism (3) that can annular groove movement, the bearing seat is constituted by a plurality of section square bearing tubes, and each bearing tube is evenly arranged around the center of annular groove and is located on one radius line of annular groove respectively, and the metal casting is detachably fixed on the bearing seat and is placed coaxially with annular groove, and the polishing mechanism includes the moving track (31) that is vertically and movably arranged in the annular groove and the polishing head (34) that can move up and down along the moving track, and the polishing head points to the central axis direction of annular groove.

2. The polishing apparatus for metal casting production according to claim 1, characterized by: The moving track (31) is installed with sliding block (32), and the sliding block can reciprocate along the moving track, and the telescopic rod (33) that can extend and retract is installed on the sliding block, and the telescopic direction of telescopic rod is located on the direction of one radius of annular groove, and the polishing head is fixed at the end of telescopic rod away from the sliding block so as to approach or away from the metal casting on the bearing seat.

3. The polishing apparatus for metal casting production according to claim 2, characterized by: The pressure sensor (35) is arranged between the polishing head (34) and telescopic rod (33), and the pressure sensor is electrically connected with telescopic rod so as to control the movement of telescopic rod according to the pressure of polishing head.

4. The polishing apparatus for metal casting production according to claim 1, characterized by: The fastening sliding block (21) that can be locked is slidably installed on the bearing seat (2), and the fastening sliding block is at least three and is evenly arranged around the center of bearing seat, and the outer side wall of fastening sliding block is arc matched with the inner wall of metal casting.

5. The polishing apparatus for metal casting production according to claim 1, characterized by: The rotary mechanism (4) is arranged above the fixed seat (1), and the rotary mechanism includes rotary shaft (41) and chuck (43) that can move up and down and is driven by rotary shaft to rotate around the axis of metal casting, and the chuck is matched with the top end of side wall of metal casting.

6. The polishing apparatus for producing a metal casting according to claim 5, characterized by: The rotary shaft (41) is installed with at least a pair of spacing adjustable clamping arms (42) at the bottom end, and each clamping arm is installed with chuck (43) at the bottom end, and the rotary shaft can move up and down along the vertical direction to drive the chuck to approach or away from the metal casting.

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