Polishing device for metal casting parts

Abstract

The utility model discloses a polishing device for metal casting parts, and belongs to the technical field of metal part polishing. Comprising a bottom plate, the bottom plate is fixedly connected with a concave seat, a rotating mechanism is installed on the bottom plate, a hole wall grinding mechanism and a surface grinding mechanism are installed on the concave seat, the rotating mechanism comprises a slewing bearing, the slewing bearing is fixed to the upper surface of the bottom plate in a threaded mode, and four guide rods are fixedly arranged on the slewing bearing along the circumference; when the polishing device is used for polishing a casting part body, the casting part body can be conveniently and rapidly disassembled and assembled between the T-shaped polishing rod and the top cylinder, the four guide rods are driven to rotate through the gear ring of the slewing bearing, the top cylinder drives the casting part body to rotate, and the circular inner wall of the casting part body is polished through the T-shaped polishing rod; double-face grinding treatment can be achieved through the first grinding wheel and the second grinding wheel, the first grinding wheel can achieve curved outer surface grinding treatment, the grinding range is comprehensive, adjustment and use are convenient, and practicability is high.

Description

TECHNICAL FIELD

[0001] The application relates to the polishing technology field of metal parts, in particular to a polishing device for metal casting parts. BACKGROUND

[0002] Some pipe joints are included in mechanical equipment, the pipe joints are cast parts, the structure of the pipe joints comprises a square plate and a circular pipe, the surface and the inner wall of the circular pipe are rough in the casting production process, the surface and the inner wall of the circular pipe need to be polished, and a polishing machine is usually used for polishing, the existing polishing process has limitations, and only the outer surface or the circular inner wall can be polished separately, that is, the pipe joints need to be polished separately in different polishing devices, so that the polishing efficiency is low, and therefore, the polishing device for metal casting parts is provided. CONTENT OF THE UTILITY MODEL

[0003] 1. TECHNICAL PROBLEM TO BE SOLVED

[0004] The application aims to provide a polishing device for metal casting parts, solve the technical problems in the background art, and realize the following technical effects: when the polishing device is used for polishing the casting part body, the casting part body can be conveniently and quickly disassembled and assembled between the T-shaped grinding rod and the top cylinder, the four guide rods are driven to rotate by the gear ring of the rotary support, the top cylinder drives the casting part body to rotate, the T-shaped grinding rod is used for polishing the circular inner wall of the casting part body, the first grinding wheel and the second grinding wheel can be used for double-sided polishing, the first grinding wheel can be used for polishing the curved outer surface, the polishing range is comprehensive, the polishing device is convenient to adjust and use, and the practicality is high.

[0005] 2. TECHNICAL SCHEME

[0006] The application provides a polishing device for metal casting parts, which comprises a bottom plate, a concave seat fixedly connected to the bottom plate, a rotating mechanism installed on the bottom plate, a hole wall polishing mechanism and a surface polishing mechanism installed on the concave seat.

[0007] The rotating mechanism comprises a rotary support, the rotary support is screw-fixed to the upper surface of the bottom plate, four guide rods are fixedly arranged around the rotary support, and a top cylinder is slidably installed on the rotary support through the guide rods.

[0008] The hole wall polishing mechanism comprises an electric cylinder, the electric cylinder is fixedly arranged on the concave seat, a T-shaped grinding rod is fixedly connected to the piston rod of the electric cylinder, and a casting part body is arranged between the T-shaped grinding rod and the top cylinder.

[0009] The surface polishing mechanism comprises an L-shaped sliding plate, which is connected with the concave seat through plug-in connection, a first arc-shaped seat and a hinge seat are fixedly arranged on the L-shaped sliding plate, a first grinding wheel is threadedly fixed on the first arc-shaped seat, a second arc-shaped seat is rotatably arranged on the hinge seat, and a second grinding wheel is threadedly fixed on the second arc-shaped seat.

[0010] By adopting the above technical scheme, the casting body is installed between the T-shaped grinding rod and the top cylinder, the four guide rods are driven to rotate by the gear ring of the rotary support, the top cylinder drives the casting body to rotate, the T-shaped grinding rod is used to polish the circular inner wall of the casting body, the L-shaped sliding plate slides horizontally along the concave seat to make the first grinding wheel adhere to the surface of the casting body, the piston rod of the electric cylinder is retracted and extended to make the casting body installed between the T-shaped grinding rod and the top cylinder move up and down along the four guide rods, the first grinding wheel polishes the annular outer surface of the casting body, the second arc-shaped seat rotates along the hinge seat to make the second grinding wheel adhere to the bottom surface of the casting body, and the first grinding wheel adheres to the upper surface of the casting body, the casting body rotates between the first grinding wheel and the second grinding wheel to realize double-sided polishing, the polishing device can polish the circular inner wall and the outer surface of the casting body, the polishing range is comprehensive, the device is convenient to adjust and use, and the practicability is high.

[0011] Optionally, a supporting leg is fixedly arranged at each corner of the bottom plate, and the supporting legs are all inverted T-shaped columnar structures.

[0012] By adopting the above technical scheme, the bottom plate is stably placed through the four supporting legs distributed in a rectangular structure to provide stable support for the polishing device as a whole.

[0013] Optionally, the casting body comprises a square plate and a circular pipe, the T-shaped grinding rod is connected with the inner wall of the circular pipe, and the first grinding wheel and the second grinding wheel are connected with the outer surface of the casting body.

[0014] By adopting the above technical scheme, the casting body is composed of the square plate and the circular pipe, the T-shaped grinding rod is inserted into the circular pipe, and the end of the top cylinder holds the bottom of the square plate, so that the top cylinder forces the casting body to rotate, and the T-shaped grinding rod can be used to polish the inner wall of the circular pipe.

[0015] Optionally, a first screw rod is rotatably arranged on the concave seat, and the first screw rod is threadedly connected with the L-shaped sliding plate.

[0016] By adopting the above technical scheme, the L-shaped sliding plate can slide horizontally along the concave seat by rotating the first screw rod, so that the horizontal installation position of the first grinding wheel can be adjusted.

[0017] Optionally, a cross guide groove is formed in the L-shaped sliding plate, a sliding block is slidably installed in the cross guide groove, a fixed block is fixedly arranged on the upper surface of the L-shaped sliding plate, a second screw rod is rotatably installed on the fixed block, the second screw rod is threadedly connected with the sliding block, a sliding rod is fixedly arranged on the sliding block, a rotating shaft is rotatably installed on the hinge base, rotating plates are fixedly arranged at the two ends of the rotating shaft, the rotating shaft is fixedly sleeved with the second arc-shaped seat, strip-shaped grooves are formed in the rotating plates, and the sliding rod movably penetrates through the cross guide groove and is slidably installed along the strip-shaped grooves.

[0018] By rotating the second screw rod, the sliding block slides along the cross guide groove, the sliding rod slides along the strip-shaped grooves, the rotating plate drives the second arc-shaped seat to rotate through the rotating shaft, and the second grinding wheel rotates to the horizontal state and is attached to the bottom surface of the square plate.

[0019] Optionally, the rotating mechanism further comprises a motor, the motor is fixedly arranged on the bottom surface of the bottom plate, the output end of the motor movably penetrates through the bottom plate and is transmissionally connected with a gear, the gear is meshingly connected with the gear ring of the slewing bearing, four U-shaped blocks are fixedly arranged along the circumference of the top cylinder, the U-shaped blocks are respectively slidably sleeved with one guide rod, and springs are sleeved and arranged on the outer portions of the guide rods between the U-shaped blocks and the bottom plate.

[0020] By adopting the above technical scheme, the output end transmission gear of the motor drives the gear ring of the slewing bearing to rotate four guide rods, so that the top cylinder is driven to rotate by the U-shaped blocks, and the cast part body can move up and down along the four guide rods under the action of the springs when the piston rod of the electric cylinder extends and retracts.

[0021] 3. Beneficial effects

[0022] One or more technical solutions provided in the technical scheme have at least the following technical effects or advantages: the polishing device is used for polishing the cast part body, the cast part body can be conveniently and quickly disassembled and assembled between the T-shaped grinding rod and the top cylinder, the top cylinder drives the cast part body to rotate by rotating the four guide rods through the gear ring of the slewing bearing, the T-shaped grinding rod is used for polishing the circular inner wall of the cast part body, the first grinding wheel and the second grinding wheel can be used for polishing both sides, the first grinding wheel can be used for polishing the curved outer surface, the polishing range is comprehensive, the device is convenient to adjust and use, and the device has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Fig. 1 is a schematic structural view of the whole polishing device for metal cast parts according to an embodiment of the present application;

[0024] Figure 2 Fig. 2 is a schematic structural view of the cast part body mounting structure of the polishing device for metal cast parts according to an embodiment of the present application;

[0025] Figure 3 A structure schematic view of a hole wall polishing mechanism and a surface polishing mechanism of a polishing device for metal cast parts is disclosed in a preferred embodiment of the present application.

[0026] Figure 4 A structure schematic view of a hole wall polishing mechanism and a surface polishing mechanism of a polishing device for metal cast parts is disclosed in a preferred embodiment of the present application. Figure 3 An enlarged structure schematic view in A of the figure.

[0027] Figure label explanation: 1, bottom plate; 11, leg; 2, concave seat; 3, hole wall polishing mechanism; 31, electric cylinder; 32, T-shaped grinding rod; 4, surface polishing mechanism; 41, L-shaped sliding plate; 411, cross guide groove; 412, fixed block; 413, hinge seat; 42, first arc-shaped seat; 43, sliding block; 431, sliding rod; 44, rotating plate; 441, strip-shaped groove; 442, rotating shaft; 45, second arc-shaped seat; 46, first grinding wheel; 47, second grinding wheel; 48, first screw rod; 49, second screw rod; 5, rotating mechanism; 51, motor; 52, gear; 53, slewing bearing; 54, guide rod; 55, spring; 56, U-shaped block; 57, top cylinder; 6, cast part body; 61, square plate; 62, circular tube. DETAILED DESCRIPTION

[0028] The present application is further described in detail below with reference to the accompanying drawings.

[0029] Reference Figures 1 to 4 , the embodiment of the present application provides a polishing device for metal cast parts, comprising: a bottom plate 1, the bottom plate 1 is fixedly connected with a concave seat 2, the bottom plate 1 is provided with a rotating mechanism 5, the concave seat 2 is provided with a hole wall polishing mechanism 3 and a surface polishing mechanism 4;

[0030] The rotating mechanism 5 comprises a slewing bearing 53, the slewing bearing 53 is threadedly fixed on the upper surface of the bottom plate 1, the slewing bearing 53 is fixedly provided with four guide rods 54 along the circumference, and the slewing bearing 53 is slidably installed with a top cylinder 57 through the guide rods 54;

[0031] The hole wall polishing mechanism 3 comprises an electric cylinder 31, the electric cylinder 31 is fixedly arranged on the concave seat 2, a piston rod of the electric cylinder 31 is fixedly connected with a T-shaped grinding rod 32, and the T-shaped grinding rod 32 is installed with a cast part body 6 between the T-shaped grinding rod 32 and the top cylinder 57;

[0032] The surface polishing mechanism 4 comprises an L-shaped sliding plate 41 which is connected with the concave seat 2, the L-shaped sliding plate 41 is fixedly provided with a first arc-shaped seat 42 and a hinge seat 413, the first arc-shaped seat 42 is threadedly fixed with a first grinding wheel 46, the hinge seat 413 is rotatably provided with a second arc-shaped seat 45, the second arc-shaped seat 45 is threadedly fixed with a second grinding wheel 47, by installing the casting body 6 between the T-shaped grinding rod 32 and the top cylinder 57, rotating the four guide rods 54 through the gear ring of the rotary support 53, driving the top cylinder 57 to rotate the casting body 6, thereby polishing the circular inner wall of the casting body 6 through the T-shaped grinding rod 32, sliding the L-shaped sliding plate 41 along the concave seat 2 to make the first grinding wheel 46 adhere to the surface of the casting body 6, extending and retracting the piston rod of the electric cylinder 31 to make the casting body 6 installed between the T-shaped grinding rod 32 and the top cylinder 57 move up and down along the four guide rods 54, thereby making the first grinding wheel 46 polish the annular outer surface of the casting body 6, rotating the second arc-shaped seat 45 along the hinge seat 413 to make the second grinding wheel 47 adhere to the bottom surface of the casting body 6, and the first grinding wheel 46 adheres to the upper surface of the casting body 6, thereby realizing double-sided polishing by rotating the casting body 6 between the first grinding wheel 46 and the second grinding wheel 47, the polishing device can realize polishing of the circular inner wall and the outer surface of the casting body 6, the polishing range is comprehensive, convenient to adjust and use, and has high practicality.

[0033] With reference to Figure 1 and Figure 2 , the bottom plate 1 is stably placed through the four support legs 11 distributed in a rectangular structure, thereby providing stable support for the polishing equipment.

[0034] With reference to Figure 1 and Figure 2 , the casting body 6 comprises a square plate 61 and a circular pipe 62, the T-shaped grinding rod 32 is connected with the inner wall of the circular pipe 62, the first grinding wheel 46 and the second grinding wheel 47 are connected with the outer surface of the casting body 6, the casting body 6 is composed of the square plate 61 and the circular pipe 62, the T-shaped grinding rod 32 is inserted into the circular pipe 62, the bottom of the casting body 6 located on the bottom plate 61 is provided with a positioning circular groove, the top cylinder 57 is provided with a positioning column matched with the positioning circular groove at the upper end, so that the top cylinder 57 and the bottom plate 61 can realize synchronous rotation, and the contact surface between the T-shaped grinding rod 32 and the upper end of the circular pipe 62 is a smooth surface, thereby the top cylinder 57 and the T-shaped grinding rod 32 clamp the casting body 6, and the top cylinder 57 can drive the casting body 6 to rotate, and the circular pipe 62 can be polished by the T-shaped grinding rod 32.

[0035] With reference to Figure 1 and Figure 3The first screw rod 48 is rotatably installed on the concave seat 2, and is threadedly connected with the L-shaped slide plate 41. By rotating the first screw rod 48, the L-shaped slide plate 41 can slide horizontally along the concave seat 2, so that the horizontal installation position of the first grinding wheel 46 can be adjusted.

[0036] With reference to Figure 3 and Figure 4 The cross-shaped guide groove 411 is formed in the L-shaped slide plate 41, and the sliding block 43 is slidably installed in the cross-shaped guide groove 411. The fixed block 412 is fixedly arranged on the upper surface of the L-shaped slide plate 41. The second screw rod 49 is rotatably installed on the fixed block 412, and is threadedly connected with the sliding block 43. The sliding rod 431 is fixedly arranged on the sliding block 43. The rotating shaft 442 is rotatably installed on the hinge seat 413. The rotating plates 44 are fixedly arranged at both ends of the rotating shaft 442. The rotating shaft 442 is fixedly sleeved with the second arc-shaped seat 45. The strip-shaped grooves 441 are formed in the rotating plates 44. The sliding rod 431 movably penetrates through the cross-shaped guide groove 411, and is slidably installed along the strip-shaped grooves 441. By rotating the second screw rod 49, the sliding block 43 slides along the cross-shaped guide groove 411, and the sliding rod 431 slides along the strip-shaped grooves 441. Thus, the rotating plates 44 drive the second arc-shaped seat 45 to rotate through the rotating shaft 442, so that the second grinding wheel 47 is rotated to the horizontal state, and is attached to the bottom surface of the square plate 61.

[0037] With reference to Figure 1 and Figure 2 The rotating mechanism 5 further comprises the motor 51. The motor 51 is fixedly arranged on the bottom surface of the bottom plate 1. The output end of the motor 51 movably penetrates through the bottom plate 1, and is drivingly connected with the gear 52. The gear 52 is meshingly connected with the gear ring of the slewing bearing 53. The four U-shaped blocks 56 are fixedly arranged along the circumference of the top cylinder 57. The U-shaped blocks 56 are respectively slidably sleeved with the guide rods 54. The guide rods 54 between the U-shaped blocks 56 and the bottom plate 1 are externally sleeved with the springs 55. The output end of the motor 51 drives the gear 52 to rotate, so that the gear ring of the slewing bearing 53 drives the four guide rods 54 to rotate, thereby driving the top cylinder 57 to rotate through the U-shaped blocks 56. When the piston rod of the electric cylinder 31 extends or retracts, the casting body 6 can move up and down along the four guide rods 54 under the action of the springs 55.

[0038] Working principle: when installation, the cast body 6 of square plate 61 is placed on the top of the cylinder 57, and then the piston rod of the electric cylinder 31 is extended, so that the T-shaped grinding rod 32 is inserted into the circular tube 62, the gear 52 is rotated by the motor 51, the gear 52 drives the gear ring of the rotary support 53 to rotate, the gear ring drives the top cylinder 57 to rotate through the four guide rods 54, so that the top cylinder 57 drives the cast body 6 to rotate, so as to polish the inner wall of the circular tube 62 by the T-shaped grinding rod 32, and the L-shaped sliding plate 41 slides along the concave seat 2 horizontally, so that the first grinding wheel 46 is attached to the outer surface of the circular tube 62, the piston rod of the electric cylinder 31 is extended and retracted, so that the cast body 6 installed between the T-shaped grinding rod 32 and the top cylinder 57 can move up and down along the four guide rods 54 under the action of the spring 55, so that the first grinding wheel 46 polishes the annular outer surface of the cast body 6, when the first grinding wheel 46 is attached to the upper surface of the square plate 61, and the piston rod of the electric cylinder 31 is limited, the second screw rod 49 is rotated, the sliding block 43 slides along the cross-shaped guide groove 411, the sliding rod 431 slides along the strip-shaped groove 441, so that the second arc-shaped seat 45 is rotated by the rotating shaft 442, the second grinding wheel 47 is rotated to the horizontal state, and the second grinding wheel 47 is attached to the bottom surface of the square plate 61, the cast body 6 is rotated between the first grinding wheel 46 and the second grinding wheel 47, so that the square plate 61 can be polished on both sides, the polishing device can realize the polishing work of the circular inner wall and the outer surface of the cast body 6, the polishing range is comprehensive, the adjustment and use are convenient, and the practicality is strong.

Claims

1. A polishing apparatus for metal cast parts, characterized by: It include: bottom plate (1), the bottom plate (1) is fixedly connected with concave seat (2), the bottom plate (1) is installed with rotating mechanism (5), the concave seat (2) is installed with hole wall polishing mechanism (3) and surface polishing mechanism (4) on it; The rotating mechanism (5) includes a slewing bearing (53), the slewing bearing (53) is fixed on the upper surface of the bottom plate (1), the slewing bearing (53) is fixedly provided with four guide rods (54) along the circumference, the slewing bearing (53) is slidably installed with a top cylinder (57) through the guide rods (54); The hole wall polishing mechanism (3) includes an electric cylinder (31), the electric cylinder (31) is fixedly provided on the concave seat (2), the piston rod of the electric cylinder (31) is fixedly connected with a T-shaped grinding rod (32), a cast part body (6) is installed between the T-shaped grinding rod (32) and the top cylinder (57); The surface polishing mechanism (4) includes an L-shaped sliding plate (41), the L-shaped sliding plate (41) is connected with the concave seat (2) through insertion and matching, the L-shaped sliding plate (41) is fixedly provided with a first arc-shaped seat (42) and a hinge seat (413), the first arc-shaped seat (42) is fixedly provided with a first grinding wheel (46) through screwing, the hinge seat (413) is rotatably installed with a second arc-shaped seat (45), the second arc-shaped seat (45) is fixedly provided with a second grinding wheel (47) through screwing.

2. A device for polishing a metal casted part according to claim 1, characterized in that: The bottom plate (1) is fixedly provided with a supporting leg (11) at each corner, and the supporting leg (11) is in inverted T-shaped columnar structure.

3. The polishing apparatus for metal cast parts according to claim 1, wherein: The cast part body (6) includes a square plate (61) and a circular tube (62), the T-shaped grinding rod (32) is attached to the inner wall of the circular tube (62), and the first grinding wheel (46) and the second grinding wheel (47) are attached to the outer surface of the cast part body (6).

4. The polishing apparatus for metal cast parts according to claim 1, wherein: A first screw rod (48) is rotatably installed on the concave seat (2), and the first screw rod (48) is threadedly connected with the L-shaped sliding plate (41).

5. The polishing apparatus for metal cast parts of claim 1, wherein: A cross-shaped guide groove (411) is formed in the L-shaped sliding plate (41), a sliding block (43) is slidably installed in the cross-shaped guide groove (411), a fixed block (412) is fixedly provided on the upper surface of the L-shaped sliding plate (41), a second screw rod (49) is rotatably installed on the fixed block (412), the second screw rod (49) is threadedly connected with the sliding block (43), a sliding rod (431) is fixedly provided on the sliding block (43), a rotating shaft (442) is rotatably installed on the hinge seat (413), rotating plates (44) are fixedly provided at both ends of the rotating shaft (442), the rotating shaft (442) is fixedly sleeved with the second arc-shaped seat (45), strip-shaped grooves (441) are formed in the rotating plates (44), the sliding rod (431) movably penetrates through the cross-shaped guide groove (411) and is slidably installed along the strip-shaped grooves (441).

6. The polishing apparatus for metal cast parts of claim 1, wherein: The rotating mechanism (5) further comprises a motor (51) fixedly arranged on the bottom surface of the bottom plate (1), an output end of the motor (51) movably penetrates through the bottom plate (1) and is transmissionally connected with a gear (52), the gear (52) is meshingly connected with a gear ring of the slewing bearing (53), four U-shaped blocks (56) are fixedly arranged along the circumference of the top cylinder (57), the U-shaped blocks (56) are respectively slidably sleeved with one guide rod (54), and the guide rod (54) outside the U-shaped blocks (56) and the bottom plate (1) is sleeved with a spring (55).

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