Shell mold three-box parting casting device for large pump body

Abstract

The utility model discloses a shell mold three-box parting casting device for a large pump body, which comprises a working table, a placing table is arranged on the working table, a translation mechanism is arranged on the working table, a lifting mechanism is arranged on the translation mechanism, and a clamping mechanism is arranged on the lifting mechanism. Through the arrangement of a limiting rod, an extrusion plate, a friction pad, a driving ring, an adapter rod, a retention shaft, a locking bolt rod and other structures, after a large pump body is buried into a casting box through precoated sand grains to be compacted, a retention plate is placed at an opening of a shell of the large pump body, and then a driving handle is manually rotated to drive a driving ring to rotate; the driving ring drives the friction pad on the extrusion plate to extrude the large pump body shell, so that the large pump body shell can be conveniently fixed on the retention plate, and then the large pump body shell can be stably and conveniently taken out from the casting box through upward slow contraction of the electric telescopic rod without damaging precoated sand grains.

Description

Technical Field

[0001] The utility model relates to the technical field of casting devices, in particular to a shell-type three-opening-box splitting casting device for a large pump body. Background Art

[0002] In the prior art, the patent with announcement number CN208662451U discloses a three-opening split-molding casting device for a large pump shell, which includes a large pump shell bottom core, a double-cone conjoined gear inner cavity core, a large pump shell middle core, a large pump shell upper core and a pouring cup core, and a double-screw core fastening device for fixing and connecting the five cores; a concave pressure edge stop and a middle double hole are provided on the large pump shell bottom core, a double-cone conjoined gear inner cavity core is installed on the middle double hole, and a double-cone conjoined gear inner cavity core is installed on the double-cone conjoined gear inner cavity core. An oil nozzle end core is provided on the outside of the bottom of the inner cavity core of the large pump body, and the lower plane of the bottom core of the large pump body shell is filled with steel shots; an annular bypass runner, double flat ingates, inner core stoppers and concave edge stoppers are provided on the upper plane of the middle core of the large pump body shell; a straight sprue, a riser neck and an oil nozzle end core head are provided on the upper core of the large pump body shell, the straight sprue and riser neck are bonded to the sprue cup core, and the oil nozzle end core head is fixedly connected to the double-tapered conjoined gear inner cavity core. The large pump body casting will not produce shrinkage cavities or shrinkage defects, and the surface is smooth and free of flash.

[0003] In actual use, although the above-mentioned equipment can make good use of 70-140 mesh coated sand to cast the shell of the large pump body in three boxes, the existing factory's internal casting technology still requires manual vertical removal of the model buried in the coated sand. However, this removal method requires experienced staff with many years of work experience to operate. Otherwise, when the model moves upward, it will damage the mold, resulting in failure of the shell casting.

[0004] Therefore, a shell-type three-opening split-molding casting device for a large pump body is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a shell-type three-opening box split casting device for a large pump body, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shell-type three-opening split-type casting device for a large pump body, comprising a workbench, a placing table is installed on the workbench, a translation mechanism is installed on the workbench, a lifting mechanism is installed on the translation mechanism, a clamping mechanism is installed on the lifting mechanism, the clamping mechanism comprises a connecting rod, the connecting rod is installed on the lifting mechanism, a retaining plate is installed on the connecting rod, a plurality of limit rods are slidably installed on the retaining plate, the plurality of limit rods are all installed with extrusion plates, and the plurality of extrusion plates are all installed with friction pads.

[0007] Preferably, a driving ring is rotatably mounted on the retaining plate, a plurality of transfer rods are rotatably mounted on the driving ring, and the other ends of the plurality of transfer rods are rotatably mounted on the plurality of limiting rods respectively.

[0008] Preferably, the driving ring is provided with a plurality of limiting holes, and limiting shafts are slidably mounted on the inner walls of the plurality of limiting holes, and the plurality of limiting shafts are mounted on the fixing plate.

[0009] Preferably, a retaining hole is provided on the retaining plate, a retaining shaft is slidably mounted on the inner wall of the retaining hole, the retaining shaft is mounted on the driving ring, a driving handle is mounted on the retaining shaft, a locking bolt rod is threadedly mounted on the driving handle, and the bottom end of the locking bolt rod is in contact with the outer surface of the retaining plate.

[0010] Preferably, the translation mechanism includes an L-shaped frame, which is installed on a workbench. The L-shaped frame is provided with an installation slot, which drives a threaded rod to be rotated and installed on the inner wall. A movable block is threadedly installed on the threaded rod, a movable plate is installed on the movable block, and the movable plate is installed on the lifting mechanism.

[0011] Preferably, a support plate is installed on one side of the L-shaped frame, a servo motor is installed on the support plate, and the servo motor is installed on one end of the threaded rod.

[0012] Preferably, the lifting mechanism includes an electric telescopic rod, the top end of the electric telescopic rod is mounted on the movable plate, and the bottom end of the electric telescopic rod is mounted on the top end of the connecting rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) The utility model, through the arrangement of structures such as a limit rod, an extrusion plate, a friction pad, a drive ring, a transfer rod, a retaining shaft and a locking bolt rod, after the large pump body is buried in the casting box and compacted with coated sand, the retaining plate is placed at the opening of the large pump body shell, and then the drive handle is manually rotated to drive the drive ring to rotate, and the drive ring drives the friction pad on the extrusion plate to squeeze the large pump body shell, so that the large pump body shell can be conveniently fixed on the retaining plate, and then the electric telescopic rod is slowly retracted upward to smoothly and conveniently remove the large pump body shell from the casting box without damaging the coated sand.

[0015] (2) The utility model, through the arrangement of structures such as a servo motor, a threaded rod, a movable block and a movable plate, uses the servo motor to drive the threaded rod to rotate during use, and the threaded rod drives the clamping mechanism and the lifting mechanism on the movable plate to move, so that the clamping mechanism can be conveniently moved to the top of the casting box, thereby providing preparation for the use of the clamping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of the connecting rod, retaining plate and driving ring of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure of the locking bolt rod, the retaining plate and the retaining shaft of the utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure of the servo motor, threaded rod and movable block of the utility model;

[0020] In the figure: 1. Workbench; 2. Placement table; 3. L-shaped frame; 31. Mounting slot; 32. Movable block; 33. Threaded rod; 34. Support plate; 35. Servo motor; 36. Moving plate; 4. Electric telescopic rod; 5. Connecting rod; 51. Retaining plate; 52. Limiting rod; 53. Extrusion plate; 54. Friction pad; 55. Drive ring; 56. Adapter rod; 57. Limiting hole; 58. Limiting shaft; 59. Retaining hole; 510. Retaining shaft; 511. Drive handle; 512. Locking bolt rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1: Please refer to Figure 1-4The utility model provides a technical solution: a shell mold three-opening type casting device for a large pump body, including a workbench 1, a placing table 2 is installed on the workbench 1, a translation mechanism is installed on the workbench 1, a lifting mechanism is installed on the translation mechanism, and a clamping mechanism is installed on the lifting mechanism. The clamping mechanism includes a connecting rod 5, which is installed on the lifting mechanism, and a fixing plate 51 is installed on the connecting rod 5. A plurality of limiting rods 52 are slidably installed on the fixing plate 51, and a plurality of limiting rods 52 are each installed on an extrusion plate 53. A plurality of extrusion plates 53 are each installed with a friction pad 54. A driving ring 55 is rotatably installed on the fixing plate 51, and a plurality of transfer rods 56 are rotatably installed on the driving ring 55. The other ends of the plurality of transfer rods 56 are respectively rotatably installed on the plurality of limiting rods 52. A plurality of limiting holes 57 are provided on the driving ring 55, and a plurality of limiting shafts 58 are slidably installed on the inner walls of the plurality of limiting holes 57. The plurality of limiting shafts 58 are all installed on the fixing plate 51, and the fixing plate 51 has a fixing The fixing hole 59 has a fixing shaft 510 slidably mounted on the inner wall of the fixing hole 59. The fixing shaft 510 is mounted on the driving ring 55. A driving handle 511 is mounted on the fixing shaft 510. A locking bolt rod 512 is threadedly mounted on the driving handle 511. The bottom end of the locking bolt rod 512 contacts the outer surface of the fixing plate 51. The driving handle 511 is manually rotated to drive the fixing shaft 510 in the fixing plate 51 to move. The fixing shaft 510 drives the driving screw on the fixing plate 51 The dynamic ring 55 rotates, the driving ring 55 drives the transfer rod 56 to rotate, the transfer rod 56 drives the limiting rod 52 to move outward, the limiting rod 52 drives the extrusion plate 53 to move, and the extrusion plate 53 drives the friction pad 54 to move, so that the outer shell of the large pump body can be conveniently fixed, and then the driving handle 511 is manually rotated to drive the locking bolt rod 512, so that the bottom end of the locking bolt rod 512 is tightly against the fixing plate 51, so that the position of the extrusion plate 53 can be conveniently fixed.

[0023] The cam 32 is provided with a plurality of movable plates 36, and the movable plates 36 are provided with a plurality of movable plates 36. The movable plates 36 are provided with a plurality of movable plates 36. The movable plates 36 are provided with a plurality of movable plates 36. The movable plates 36 are provided with a plurality of movable plates 36.

[0024] Furthermore, in order to facilitate the removal of the large pump body shell, a lifting mechanism is arranged, which specifically includes an electric telescopic rod 4, the top end of the electric telescopic rod 4 is installed on the movable plate 36, and the bottom end of the electric telescopic rod 4 is installed on the top end of the connecting rod 5. The electric telescopic rod 4 is used to drive the fixing plate 51 on the connecting rod 5 to move downward, so that the fixing plate 51 can be easily moved into the hole of the large pump body opening, which is convenient for preparing for the fixation of the large pump body shell. The remaining features are the same as those in Example 1.

[0025] The working principle is as follows: when it is necessary to take out the large pump body shell covered with coated sand in the casting box, first start the switch of the servo motor 35 on the support plate 34, and use the servo motor 35 to drive the threaded rod 33 in the mounting slot 31 on the L-shaped frame 3 to rotate, and the threaded rod 33 drives the movable block 32 to move to the right, and the movable block 32 drives the movable plate 36 to move, and the movable plate 36 drives the electric telescopic rod 4 to move to the right, and the electric telescopic rod 4 drives the connecting rod 5 to move to the right, so that the fixing plate 51 can be easily moved to the top of the casting box, and then the switch on the electric telescopic rod 4 is started again, and the electric telescopic rod 4 is used to drive the fixing plate 51 on the connecting rod 5 to move downward. When the fixing plate 51 moves to the hole of the large pump body opening, the driving handle 511 is manually rotated, and the driving handle 511 is used to drive the fixing plate 51 in the fixing plate The fixing shaft 510 moves, and the fixing shaft 510 drives the driving ring 55 on the fixing plate 51 to rotate, and the driving ring 55 drives the transfer rod 56 to rotate, and the transfer rod 56 drives the limiting rod 52 to move outward, and the limiting rod 52 drives the extrusion plate 53 to move, and the extrusion plate 53 drives the friction pad 54 to move, so that the outer shell of the large pump body can be easily fixed, and then the driving handle 511 is manually rotated to drive the locking bolt rod 512 so that the bottom end of the locking bolt rod 512 is tightly against the fixing plate 51, so that the position of the extrusion plate 53 can be easily fixed, and then the switch on the electric telescopic rod 4 is started, so that the electric telescopic rod 4 drives the fixing plate 51 to move slowly upward, so that the large pump body shell can be smoothly removed from the coated sand grains in the casting box without damaging the coated sand grains.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Shell mold three-opening casting device for large pump body, characterized by: The invention comprises a workbench (1), a placing table (2) is installed on the workbench (1), a translation mechanism is installed on the workbench (1), a lifting mechanism is installed on the translation mechanism, a clamping mechanism is installed on the lifting mechanism, the clamping mechanism comprises a connecting rod (5), the connecting rod (5) is installed on the lifting mechanism, a fixing plate (51) is installed on the connecting rod (5), a plurality of limiting rods (52) are slidably installed on the fixing plate (51), a plurality of limiting rods (52) are each installed with an extrusion plate (53), and a plurality of extrusion plates (53) are each installed with a friction pad (54).

2. The shell-type three-opening casting device for a large pump body according to claim 1 is characterized in that: A driving ring (55) is rotatably mounted on the retaining plate (51), a plurality of transfer rods (56) are rotatably mounted on the driving ring (55), and the other ends of the plurality of transfer rods (56) are rotatably mounted on the plurality of limiting rods (52).

3. The shell-type three-part casting device for a large pump body according to claim 2 is characterized in that: The driving ring (55) is provided with a plurality of limiting holes (57), and limiting shafts (58) are slidably mounted on the inner walls of the plurality of limiting holes (57), and the plurality of limiting shafts (58) are mounted on the fixing plate (51).

4. The shell-type three-part casting device for a large pump body according to claim 2, characterized in that: The retaining plate (51) is provided with a retaining hole (59), a retaining shaft (510) is slidably mounted on the inner wall of the retaining hole (59), the retaining shaft (510) is mounted on the driving ring (55), a driving handle (511) is mounted on the retaining shaft (510), a locking bolt rod (512) is threadedly mounted on the driving handle (511), and the bottom end of the locking bolt rod (512) contacts the outer surface of the retaining plate (51).

5. The shell-type three-part casting device for a large pump body according to claim 1 is characterized in that: The translation mechanism comprises an L-shaped frame (3), which is mounted on a workbench (1); a mounting groove (31) is provided on the L-shaped frame (3); a threaded rod (33) is rotatably mounted on the inner wall of the L-shaped frame (31); a movable block (32) is threadedly mounted on the threaded rod (33); a movable plate (36) is mounted on the movable block (32); and the movable plate (36) is mounted on the lifting mechanism.

6. The shell-type three-part casting device for a large pump body according to claim 5, characterized in that: A support plate (34) is installed on one side of the L-shaped frame (3), a servo motor (35) is installed on the support plate (34), and the servo motor (35) is installed on one end of the threaded rod (33).

7. The shell-type three-part casting device for a large pump body according to claim 5, characterized in that: The lifting mechanism comprises an electric telescopic rod (4), the top end of the electric telescopic rod (4) is mounted on a movable plate (36), and the bottom end of the electric telescopic rod (4) is mounted on the top end of a connecting rod (5).

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