A hydraulic motor housing casting tool

Abstract

The present invention relates to the field of hydraulic motor housing casting, specifically a hydraulic motor housing casting tool, including a tool support, a support plate movably mounted on the top of the tool support, a casting die seat fixedly mounted on the top of the support plate, and a casting punch movably mounted on the top of the casting die seat, and also includes a bubble elimination mechanism. This hydraulic motor housing casting tool, through the coordinated use of components such as the tool support, the bubble elimination mechanism and the mode conversion mechanism, enables the casting die seat and the casting punch on the top of the support plate to be molded together. During the rotation of the support cylinder, the bubble elimination mechanism and the mode conversion mechanism cooperate to switch the support plate from a horizontal rotation state to a rocking rotation state. Through the two-dimensional rotational rocking mode, bubbles in dead corners in the casting mold cavity can be discharged, thereby effectively improving the bubble elimination effect and improving the processing quality of the hydraulic motor housing casting.

Description

Technical Field

[0001] The invention relates to the field of hydraulic motor housing casting, in particular to a hydraulic motor housing casting tool. Background Art

[0002] A hydraulic motor is a device that transmits power through liquid. It is commonly used in engineering and mechanical systems. Hydraulic motor housing casting is a process for manufacturing key components of hydraulic motors. Bubbles are generated during the pouring of molten metal into the casting mold. Eliminating bubbles is one of the important processes to improve the quality of hydraulic motor housing castings.

[0003] The following problems exist in the prior art and have not been well solved: 1. Some existing hydraulic motor housing casting devices use centrifugal force to expel bubbles inside the hydraulic motor housing casting during the production process. When producing hydraulic motor housings with complex structures, there will be blind spots inside the casting mold cavity. At this time, bubbles will be trapped in the dead spots and difficult to be quickly and effectively expelled under the action of centrifugal force. The bubbles that are not effectively expelled will affect the processing quality of the casting. Summary of the Invention

[0004] The present invention aims to provide a hydraulic motor housing casting tool to address the problems raised in the above-mentioned background technology: 1. During use, some existing hydraulic motor housing casting devices only expel bubbles from the molten metal in the casting mold cavity by centrifugal force. This method makes it difficult to quickly expel bubbles from dead corners within the casting mold cavity. To achieve the above-mentioned purpose, the present invention provides the following technical solution: a hydraulic motor housing casting tool, comprising a tool support, a support plate movably mounted on the top of the tool support, a casting die seat fixedly mounted on the top of the support plate, and a casting punch movably mounted on the top of the casting die seat;

[0005] It also includes: a bubble elimination mechanism, which is movably installed between the bottom of the support plate and the inner bottom surface of the tooling support, and is used to eliminate bubbles generated after the metal liquid is poured into the mold cavity;

[0006] A mode conversion mechanism that cooperates with the bubble elimination mechanism is movably installed on the inner bottom surface of the tooling support, and the mode conversion mechanism is used to switch the operating mode of the bubble elimination mechanism.

[0007] Preferably, the bubble elimination mechanism comprises: a support cylinder rotatably connected to the inner bottom surface of the tooling support, and a driving gear ring fixedly sleeved on the outer wall of the support cylinder;

[0008] A driving motor is fixed to the inner bottom surface of the tooling support, and a driving gear rod meshing with the driving gear ring is fixedly connected to the rotating end of the driving motor;

[0009] A shaft rotatably connected to the top of the support cylinder, and a lever rotatably connected to the shaft in the middle, with a wedge-shaped hinge block hinged at the bottom;

[0010] A connecting block hinged to the top of the lever, the top of the connecting block is fixedly connected to the bottom of the support plate, and the upper part of the connecting block is rotatably connected to a universal ring, and L-shaped support blocks are rotatably provided on the left and right sides of the universal ring, a support bearing is fixedly connected between the two L-shaped support blocks, the outer ring of the support bearing is fixedly connected to the inner wall of the tooling support, and a limit assembly that cooperates with the mode conversion mechanism is movably connected between the bottom of the support bearing and the inner bottom surface of the tooling support;

[0011] The bottom of the wedge-shaped hinge block is rotatably connected to an adjustment rod, which extends into an adjustment slot on the inner wall of the tooling support and is movably connected to the mode conversion mechanism;

[0012] A half-toothed gear ring is fixedly sleeved on the middle part of the outer wall of the support tube.

[0013] Preferably, the limiting assembly includes a limiting toothed ring, and the limiting toothed ring is fixedly connected to the bottom position of the inner ring of the support bearing;

[0014] Spring telescopic rods are fixedly connected to both sides of the inner bottom surface of the tooling support, and the top of the spring telescopic rods is fixedly connected to a pad that cooperates with the mode conversion mechanism. The top of the pad is fixedly connected to a limit rod, and the middle part of the limit rod is vertically slidably arranged on the inner wall position of the tooling support. The top of the limit rod is fixedly connected to an arc-shaped limit tooth plate that cooperates with the limit tooth ring.

[0015] Preferably, a main waist-shaped groove is formed at the lower portion of the connecting block, a main hinge pin is fixedly connected to the upper portion of the lever, and the upper portion of the lever is slidably arranged inside the main waist-shaped groove through the main hinge pin;

[0016] A waist-shaped groove is provided at the lower part of the lever, an inclined groove is provided at the upper part of the wedge-shaped hinge block, a hinge pin is movably connected between the inclined groove and the inner wall of the waist-shaped groove, and a connecting bearing is fixedly connected between the bottom of the wedge-shaped hinge block and the top of the adjusting rod.

[0017] Preferably, the universal ring is fixedly connected with a hinge ring on all four sides, and the hinge ring is rotatably connected with a connecting pin inside. The front and rear connecting pins are fixedly connected to the side walls of the connecting block, and the left and right connecting pins are respectively fixedly connected to the side walls of the two L-shaped support blocks.

[0018] Preferably, the mode conversion mechanism comprises: a reciprocating screw that rotates symmetrically on the inner bottom surface of the tooling support, the top of which is fixedly connected to a circular gear that meshes with a half-toothed ring;

[0019] A screw sleeve is threadedly connected to the reciprocating screw rod, and the top of the screw sleeve is fixedly connected to a T-shaped pressure rod;

[0020] The tooling support is provided with a movable groove connected to the adjustment groove, and a Z-shaped guide plate is slidably arranged in the movable groove;

[0021] The lower end of the T-shaped pressure rod is slidably connected to the middle part of the Z-shaped guide plate;

[0022] The side wall of the Z-shaped guide plate is fixed with a guide rod, which extends into the adjustment slot and is fixed with the L-shaped inclined plate;

[0023] The two sides of the adjusting rod are fixedly connected with adjusting pins, and the adjusting pins are slidably arranged in the middle of the L-shaped inclined plate.

[0024] Preferably, the lower end of the T-shaped pressure rod is fixedly connected with a guide pin, the middle part of the Z-shaped guide plate is provided with a Z-shaped guide groove, the guide pin is slidably arranged inside the Z-shaped guide groove, and the two Z-shaped guide plates are symmetrically arranged.

[0025] Preferably, the bottom of the support plate is fixedly connected with an adjusting bearing, the bottom of the adjusting bearing is spherically connected with four positioning rods at equal distances along the circumference, and the lower part of the positioning rod is movably inserted into the top of the tooling support.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] In the present invention, through the coordinated use of components such as the tooling support, the bubble elimination mechanism and the mode conversion mechanism, after the casting die seat and the casting punch on the top of the support plate are closed, during the rotation of the support cylinder, the bubble elimination mechanism and the mode conversion mechanism cooperate to switch the support plate in the horizontal rotation state to the rocking rotation state. Through the two-dimensional rotation and rocking mode, the bubbles in the dead corners of the casting mold cavity can be discharged, thereby effectively improving the bubble elimination effect and improving the processing quality of the hydraulic motor housing casting.

[0028] In the present invention, through the coordinated use of components such as the support tube, the support plate and the mode switching mechanism, since the screw sleeve carries the T-shaped pressure rod to move back and forth up and down on the surface of the reciprocating screw, the support tube first causes the support plate to rotate horizontally, then causes the support plate to shake and rotate, and then causes the support plate to rotate horizontally again. In this way of multiple switching, the bubbles that are shaken out from the dead corners of the casting mold can be switched to the centrifugal exhaust state during the floating process, which can further increase the floating and discharge speed of the bubbles, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A three-dimensional diagram of the position of the tooling support and the support plate of the present invention;

[0030] Figure 2 A cross-sectional view of the tooling support and the support cylinder of the present invention;

[0031] Figure 3For the present invention Figure 2 A magnified view of the structure at center A;

[0032] Figure 4 A three-dimensional diagram showing the positions of the universal ring and the connecting block of the present invention;

[0033] Figure 5 A cross-sectional view showing the position of the support tube and the lever of the present invention;

[0034] Figure 6 A cross-sectional view of a local position of a tool support and an adjustment groove of the present invention;

[0035] Figure 7 A three-dimensional diagram of the positions of the cushion block and the limiting rod of the present invention;

[0036] Figure 8 A three-dimensional diagram of the partial position of the lever and the wedge-shaped hinge block of the present invention;

[0037] Figure 9 It is a cross-sectional view of the local position of the T-shaped pressure rod and the reciprocating screw rod of the present invention.

[0038] In the figure: 1, tooling support; 2, support plate; 3, casting die seat; 4, casting punch; 5, bubble elimination mechanism; 501, support cylinder; 502, drive gear ring; 503, drive gear rod; 504, shaft; 505, lever; 506, connecting block; 507, universal ring; 508, L-shaped support block; 509, support bearing; 510, limit assembly; 5101, limit gear ring; 5102, spring telescopic rod; 51 03. Pad; 5104. Limit rod; 5105. Arc-shaped limit gear plate; 511. Wedge-shaped hinge block; 512. Adjustment rod; 513. Adjustment slot; 514. Half-tooth gear ring; 6. Mode conversion mechanism; 601. Reciprocating screw; 602. Circular gear; 603. Screw sleeve; 604. T-type pressure rod; 605. Movable slot; 606. Z-type guide plate; 607. Guide rod; 608. L-type inclined plate; 609. Adjustment pin. DETAILED DESCRIPTION

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0040] See also Figures 1 to 9The present invention provides a technical solution: a hydraulic motor housing casting tool, comprising a tool support 1, a support plate 2 movably mounted on the top of the tool support 1, a casting die holder 3 fixedly mounted on the top of the support plate 2, and a casting punch 4 movably mounted on the top of the casting die holder 3. It should be noted that the top of the casting punch 4 is provided with a liquid filling valve and an exhaust valve to facilitate the filling of molten metal and the exhaust of bubbles within the molten metal.

[0041] It also includes: a bubble elimination mechanism 5, which is movably installed between the bottom of the support plate 2 and the inner bottom surface of the tooling support 1, and is used to eliminate bubbles generated after the metal liquid is poured into the mold cavity.

[0042] A mode conversion mechanism 6 cooperating with the bubble elimination mechanism 5 is movably mounted on the inner bottom surface of the tooling support 1 . The mode conversion mechanism 6 is used to switch the operation mode of the bubble elimination mechanism 5 .

[0043] In this embodiment, Figures 1 to 9 As shown, the bubble elimination mechanism 5 includes a support cylinder 501, which is rotatably connected to the inner bottom surface of the tool support 1. A drive gear ring 502 is fixedly sleeved on the surface of the support cylinder 501. A drive motor is fixedly connected to the inner bottom surface of the tool support 1. The rotating end of the drive motor is fixedly connected to a drive gear rod 503, and the side wall of the drive gear rod 503 engages with the side wall of the drive gear ring 502. It should be noted that a mounting bearing is fixedly connected between the lower portion of the support cylinder 501 and the inner bottom surface of the tool support 1 to ensure that the support cylinder 501 rotates stably inside the tool support 1.

[0044] The top of the support cylinder 501 is rotatably connected to the shaft 504, the middle of the shaft 504 is rotatably connected to the lever 505, the top of the lever 505 is hinged to the connecting block 506, the top of the connecting block 506 is fixedly connected to the bottom of the support plate 2, the upper part of the connecting block 506 is rotatably connected to the universal ring 507, the left and right sides of the universal ring 507 are rotatably provided with L-shaped support blocks 508, a support bearing 509 is fixedly connected between the two L-shaped support blocks 508, the outer ring of the support bearing 509 is fixedly connected to the inner wall of the tooling support 1, and the bottom of the support bearing 509 is movably connected to the inner bottom surface of the tooling support 1 with a limit assembly 510 that cooperates with the mode conversion mechanism 6. It should be noted that: the top of the support cylinder 501 is symmetrically fixedly connected with a mounting block, and the shaft 504 is rotatably connected between the two mounting blocks; the support bearing 509 and the L-shaped support block 508 can switch between the locked state and the active state through the limit assembly 510, and the state switching is driven by the mode conversion mechanism 6; when the support bearing 509 and the L-shaped support block 508 are in the locked state, the connecting block 506 can carry the support plate 2 to rotate and shake inside the universal ring 507, and when the support bearing 509 and the L-shaped support block 508 are in the active state, the support bearing 509 and the L-shaped support block 508 can carry the universal ring 507, the connecting block 506 and the support plate 2 to rotate horizontally on the inner wall position of the tooling support 1.

[0045] The lower part of the lever 505 is hinged with a wedge-shaped hinge block 511, and the bottom of the wedge-shaped hinge block 511 is rotatably connected to an adjustment rod 512. An adjustment groove 513 is opened at the lower part of the inner wall of the tooling support 1, and the bottom of the adjustment rod 512 extends to the inner wall of the adjustment groove 513 and is movably mounted on the surface of the mode conversion mechanism 6. It should be noted that: when the mode conversion mechanism 6 moves up with the adjusting rod 512 and the wedge-shaped hinge block 511, the wedge-shaped hinge block 511 drives the lever 505 to deflect on the shaft 504, causing the upper part of the shaft 504 to deflect with the connecting block 506 and the support plate 2 at the position of the universal ring 507 to be tilted. At this time, the support tube 501 will produce a shaking effect with the support plate 2, the casting die seat 3 and the casting punch 4 during the rotation process; when the mode conversion mechanism 6 moves down with the adjusting rod 512 and the wedge-shaped hinge block 511, the wedge-shaped hinge block 511 will pull the lever 505 to a vertical state. At this time, the connecting block 506 and the support plate 2 at the top of the lever 505 are deflected to a horizontal state, and during the rotation process of the support tube 501, the support plate 2, the casting die seat 3 and the casting punch 4 will produce a centrifugal exhaust effect.

[0046] A half-toothed ring 514 is fixedly sleeved on the middle portion of the outer wall of the support tube 501 .

[0047] In this embodiment, Figures 1 to 9 As shown, the limiting assembly 510 includes a limiting gear ring 5101 , which is fixedly connected to the bottom position of the inner ring of the support bearing 509 .

[0048] Spring telescopic rods 5102 are fixedly connected to both sides of the inner bottom surface of the tooling support 1, and the top of the spring telescopic rods 5102 is fixedly connected to a pad 5103 that cooperates with the mode conversion mechanism 6. The top of the pad 5103 is fixedly connected to a limiting rod 5104, and the middle part of the limiting rod 5104 is vertically slidably set on the inner wall position of the tooling support 1. The top of the limiting rod 5104 is fixedly connected to an arc-shaped limiting tooth plate 5105 that cooperates with the limiting tooth ring 5101. It should be noted that: the inner wall of the tooling support 1 is fixedly connected with a U-shaped sliding sleeve, and the limiting rod 5104 is vertically slidably set in the middle position of the U-shaped sliding sleeve; when the arc-shaped limiting tooth plate 5105 rises along with the limiting rod 5104, the arc-shaped limiting tooth plate 5105 is inserted into the bottom of the limiting tooth ring 5101. At this time, the limiting tooth ring 5101 and the L-shaped support block 508 at the inner ring position of the support bearing 509 cannot rotate. In this state, the support plate 2 and the connecting block 506 can use the two L-shaped support blocks 508 as support points and swing and rotate at the position of the universal ring 507 between the two L-shaped support blocks 508.

[0049] In this embodiment, Figures 1 to 9 As shown, the lower portion of the connecting block 506 defines a main waist-shaped groove, and the upper portion of the lever 505 is fixedly connected to a main hinge pin. The upper portion of the lever 505 is slidably disposed within the main waist-shaped groove via the main hinge pin. It should be noted that when the upper portion of the lever 505 deflects, the main hinge pin and the main waist-shaped groove cooperate to cause the connecting block 506 to deflect at the position of the universal ring 507.

[0050] The lower portion of the lever 505 is provided with a waist-shaped groove, and the upper portion of the wedge-shaped hinge block 511 is provided with an inclined groove. A hinge pin is movably connected between the inclined groove and the inner wall of the waist-shaped groove, and a connecting bearing is fixedly connected between the bottom of the wedge-shaped hinge block 511 and the top of the adjustment rod 512. It should be noted that: the upper portion of the wedge-shaped hinge block 511 is provided with a groove, and the lower portion of the lever 505 is inserted into the interior of the groove. When the wedge-shaped hinge block 511 rises along with the adjustment rod 512, the wedge-shaped hinge block 511 cooperates with the waist-shaped groove through the hinge pin, allowing the lever 505 to deflect at the position of the shaft rod 504 as the fulcrum. Under the action of the connecting bearing, when the support tube 501 rotates with the shaft rod 504, the lever 505 and the wedge-shaped hinge block 511, the wedge-shaped hinge block 511 will not rotate with the adjustment rod 512, thereby avoiding interference.

[0051] In this embodiment, Figures 1 to 9As shown, the universal ring 507 is fixedly connected to hinged rings on all four sides, and connecting pins are rotatably connected to the interior of the hinged rings. The front and rear connecting pins are fixedly connected to the side walls of the connecting block 506, and the left and right connecting pins are respectively fixedly connected to the side walls of the two L-shaped support blocks 508. It should be noted that the front and rear connecting pins are twice the length of the left and right connecting pins to ensure a stable connection with the connecting block 506. The universal ring 507, four hinged rings, and two L-shaped support blocks 508 enable the connecting block 506 to swing with the support plate 2 in the position of the universal ring 507, conveniently switching from a horizontal rotation state to a two-dimensional swinging rotation state.

[0052] In this embodiment, Figures 1 to 9 As shown, the mode conversion mechanism 6 includes a reciprocating screw 601, which is provided with two reciprocating screws 601. The two reciprocating screws 601 are symmetrically rotatably connected to the inner bottom surface of the tooling support 1. The top of the reciprocating screw 601 is fixedly sleeved with a circular gear 602 that matches the half-toothed gear ring 514. The surface of the reciprocating screw 601 is threadedly connected with a screw sleeve 603. The top of the screw sleeve 603 is fixedly connected with a T-shaped pressure rod 604 that matches the pad 5103. It should be noted that: when the support cylinder 501 rotates with the half-toothed gear ring 514, the half-toothed gear ring 514 periodically meshes with the circular gear 602 and rotates with the reciprocating screw 601, so that the screw sleeve 603 on the reciprocating screw 601 and the T-shaped pressure rod 604 move back and forth vertically inside the movable groove 605.

[0053] The interior of the tooling support 1 is symmetrically provided with movable slots 605 that cooperate with the adjustment slot 513. The two movable slots 605 correspond one-to-one with the two T-shaped pressure rods 604. A Z-shaped guide plate 606 is slidably provided within the movable slots 605. The lower end of the T-shaped pressure rod 604 extends into the interior of the corresponding movable slot 605 and is movably mounted in the middle of the Z-shaped guide plate 606. A guide rod 607 is fixedly connected to the side wall of the Z-shaped guide plate 606. One end of the guide rod 607 extends into the interior of the adjustment slot 513 and is fixedly connected to an L-shaped inclined plate 608. The two L-shaped inclined plates 608 are symmetrically arranged on either side of the adjustment rod 512. Adjustment pins 609 are fixedly connected to both sides of the adjustment rod 512. The two adjustment pins 609 are slidably mounted in the middle of the two L-shaped inclined plates 608. It should be noted that an L-shaped slot is provided in the middle of the L-shaped inclined plate 608, and the adjustment pins 609 are slidably mounted within the corresponding L-shaped slot.

[0054] In this embodiment, Figures 1 to 9As shown, the lower end of the T-type pressure rod 604 is fixedly connected with a guide pin, and a Z-type guide groove is provided in the middle of the Z-type guide plate 606. The guide pin is slidably arranged inside the Z-type guide groove, and the two Z-type guide plates 606 are symmetrically arranged. It should be noted that the cross section of the Z-type guide plate 606 is set to be U-shaped, and the lower part of the T-type pressure rod 604 is inserted into the U-shaped cavity in the middle of the Z-type guide plate 606. When the T-type pressure rod 604 moves downward, the guide pin slides in conjunction with the Z-type guide groove, so that the Z-type guide plate 606 moves with the guide rod 607 toward the adjustment groove 513. At this time, the two guide rods 607 carry the corresponding L-shaped inclined plate 608 for relative movement. During this process, the adjustment pin 609 on the adjustment rod 512 and the L-shaped inclined plate 608 are in contact with each other. 08 cooperates with the sliding to move the adjusting rod 512 upward, and conversely, when the T-shaped pressure rod 604 rises with the screw sleeve 603, the adjusting rod 512 moves downward; and through the structural setting of the Z-shaped guide groove, the Z-shaped guide plate 606 can be driven intermittently to move during the up and down reciprocating movement of the T-shaped pressure rod 604, so that the rising and downward movement states of the adjusting rod 512 are also in an intermittent switching state, ensuring that there is sufficient time to eliminate bubbles during the horizontal rotation and shaking rotation of the support plate 2.

[0055] In this embodiment, Figures 1 to 9 As shown, the bottom of the support plate 2 is fixedly connected to an adjustable bearing, and the bottom of the adjustable bearing is spherically connected to four positioning rods at equal intervals along the circumference. The lower parts of the positioning rods are movably inserted into the top of the tooling support 1. It should be noted that the positioning rods can effectively ensure the stability of the installation of the support plate 2, and under the action of the adjustable bearing, the rotation of the support plate 2 will not interfere with the positioning rods.

[0056] The use method and advantages of the present invention: The working process of the hydraulic motor housing casting tool is as follows:

[0057] like Figures 1 to 9 As shown, when in use, the casting die base 3 and the casting punch 4 are first closed, and then the molten metal is injected into the mold cavity. Then, the drive motor is started to drive the drive gear rod 503 to engage with the drive gear ring 502, so that the support cylinder 501 rotates with the connecting block 506 and the support plate 2 through the shaft 504 and the lever 505. The support plate 2 rotates with the casting die base 3 and the casting punch 4. During the process of injecting the molten metal, the bubbles in the liquid are discharged.

[0058] When the screw sleeve 603 is in the lower position of the reciprocating screw rod 601, the T-shaped pressure rod 604 on the upper part of the screw sleeve 603 is in a downward state. At this time, the guide pin at the lower part of the T-shaped pressure rod 604 cooperates with the Z-shaped guide groove on the surface of the Z-shaped guide plate 606 inside the movable groove 605, so that the Z-shaped guide plate 606 approaches the adjustment groove 513. During the relative movement of the two Z-shaped guide plates 606, the guide rod 607 drives the L-shaped inclined plate 608 to move synchronously. At this time, the two L-shaped inclined plates 608 move relative to each other, and during the sliding process of the L-shaped groove and the adjusting pin 609, the The adjusting rod 512 pulls the wedge-shaped hinge block 511 downward, and then the wedge-shaped hinge block 511 rotates on the shaft 504 to a vertical state by pulling the lever 505 from the hinge pin. During the deflection of the upper part of the lever 505, the connecting block 506 and the support plate 2 are deflected on the universal ring 507 to a horizontal state. At this time, the support cylinder 501 rotates with the horizontal support plate 2 through the cooperation of the shaft 504 and the lever 505. Centrifugal force is generated during the rotation of the support plate 2 and the support cylinder 501, which discharges the bubbles in the liquid between the casting die seat 3 and the casting punch 4.

[0059] Due to the complex cavity structure and blind spots inside some casting molds, a small amount of bubbles will accumulate, and the bubbles cannot be completely discharged by centrifugal means alone. During the rotation of the support cylinder 501, the half-toothed gear ring 514 will periodically engage with the circular gear 602 at the top of the reciprocating screw 601, causing the screw sleeve 603 and the T-type pressure rod 604 to slowly rise. When the guide pin at the lower part of the T-type pressure rod 604 moves to the inclined position in the middle of the Z-shaped guide groove, the upper part of the T-type pressure rod 604 releases the pressure on the pad 5103, causing the spring telescopic rod 5102 at the bottom of the pad 5103 to press the pad 5103 and the limit rod 5104 to rise, causing the limit rod 5104 to insert into the limit gear ring 5101 at the bottom of the support bearing 509 with the arc-shaped limit tooth plate 5105, thereby pressing the support bearing 509 and the L-shaped support block 508. The limit is set, so that the two sides of the universal ring 507 are in a restricted state. At the same time, the two Z-shaped guide plates 606 move away from each other. During the sliding process of the L-shaped inclined plate 608 and the adjusting pin 609, the adjusting pin 609 brings the adjusting rod 512 up. As the adjusting rod 512 rises, the wedge-shaped hinge block 511 deflects the lower part of the lever 505 with the shaft 504 as the fulcrum through the hinge pin. At this time, the upper part of the lever 505 brings the connecting block 506 and the support plate 2 to deflect inside the universal ring 507, so that the casting die seat 3 and the casting punch 4 on the top of the support plate 2 are in an inclined state. At this time, during the rotation of the casting mold with the supporting cylinder 501 on the top of the supporting plate 2 through the connecting block 506, the casting mold is shaken, which can effectively discharge the bubbles accumulated in the blind area of ​​the mold cavity.

[0060] As the support cylinder 501 continues to rotate, the half-toothed gear ring 514 continues to mesh with the circular gear 602 for transmission. As the screw sleeve 603 moves down again with the T-shaped pressure rod 604, the adjusting rod 512 moves down again and, with the cooperation of the wedge-shaped hinge block 511, the lever 505 and the connecting block 506, the connecting block 506 brings the support plate 2 back to the horizontal state. At the same time, the T-shaped pressure rod 604 will press the pad 5103 and the limit rod 5104 downward to release the engagement with the limit gear ring 5101, so that the support plate 2 and the universal ring 507 can rotate again on the tooling support 1, and the bubbles discharged and floated during the above-mentioned shaking process are accelerated to be discharged by centrifugal force. In this way, by switching the casting die base 3 and the casting punch 4 to the shaking mode horizontally and then switching to the horizontal rotation mode, it can effectively prevent bubbles from being deposited in the blind area of ​​the mold cavity while quickly discharging bubbles from the metal liquid inside the mold cavity, thereby improving the bubble discharge effect and ensuring the processing quality of the mold casting.

[0061] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic motor housing casting tool, comprising a tool support (1), a support plate (2) movably mounted on the top of the tool support (1), a casting die seat (3) fixedly mounted on the top of the support plate (2), and a casting punch (4) movably mounted on the top of the casting die seat (3); It is characterized by: Also includes: A bubble elimination mechanism (5), wherein the bubble elimination mechanism (5) is movably mounted between the bottom of the support plate (2) and the inner bottom surface of the tooling support (1), and the bubble elimination mechanism (5) is used to eliminate bubbles generated after the metal liquid is poured into the mold cavity; A mode conversion mechanism (6) that cooperates with the bubble elimination mechanism (5) is movably mounted on the inner bottom surface of the tool support (1), and the mode conversion mechanism (6) is used to switch the operating mode of the bubble elimination mechanism (5); The bubble elimination mechanism (5) comprises: a support cylinder (501) rotatably connected to the inner bottom surface of the tool support (1), and a driving gear ring (502) fixedly sleeved on the outer wall of the support cylinder (501); A driving motor fixed to the inner bottom surface of the tooling support (1), wherein the rotating end of the driving motor is fixedly connected to a driving gear rod (503) meshing with the driving gear ring (502); A shaft (504) rotatably connected to the top of the support cylinder (501), and a lever (505) rotatably connected to the shaft (504) at the middle, the bottom of which is hinged with a wedge-shaped hinge block (511); A connecting block (506) is hinged to the top of the lever (505), the top of the connecting block (506) is fixedly connected to the bottom of the support plate (2), and the upper part of the connecting block (506) is rotatably connected to a universal ring (507), and L-shaped support blocks (508) are rotatably provided on the left and right sides of the universal ring (507), and a support bearing (509) is fixedly connected between the two L-shaped support blocks (508), and the outer ring of the support bearing (509) is fixedly connected to the inner wall of the tool support (1), and a limit assembly (510) that cooperates with the mode conversion mechanism (6) is movably connected between the bottom of the support bearing (509) and the inner bottom surface of the tool support (1); The bottom of the wedge-shaped hinge block (511) is rotatably connected to an adjustment rod (512), and the adjustment rod (512) extends into an adjustment groove (513) on the inner wall of the tooling support (1) and is movably connected to the mode conversion mechanism (6); A half-toothed gear ring (514) is fixedly sleeved on the middle portion of the outer wall of the support cylinder (501); The mode conversion mechanism (6) can move up and down with the adjustment rod (512) and the wedge-shaped hinge block (511); The support bearing (509) and the L-shaped support block (508) are enabled to switch between a locked state and an active state through a limiting assembly (510), and the state switching is driven by a mode conversion mechanism (6). When the support bearing (509) and the L-shaped support block (508) are in the locked state, the connecting block (506) can rotate and shake inside the universal ring (507) with the support plate (2). When the support bearing (509) and the L-shaped support block (508) are in the active state, the support bearing (509) and the L-shaped support block (508) can rotate horizontally at the inner wall position of the tooling support (1) with the universal ring (507), the connecting block (506) and the support plate (2).

2. The hydraulic motor housing casting tool according to claim 1, characterized in that: The limiting assembly (510) comprises a limiting toothed ring (5101), and the limiting toothed ring (5101) is fixedly connected to the bottom position of the inner ring of the support bearing (509); Both sides of the inner bottom surface of the tool support (1) are fixedly connected with spring telescopic rods (5102), the top of the spring telescopic rod (5102) is fixedly connected with a cushion block (5103) that cooperates with the mode conversion mechanism (6), the top of the cushion block (5103) is fixedly connected with a limiting rod (5104), the middle part of the limiting rod (5104) is vertically slidably arranged on the inner wall position of the tool support (1), and the top of the limiting rod (5104) is fixedly connected with an arc-shaped limiting tooth plate (5105) that cooperates with the limiting tooth ring (5101).

3. The hydraulic motor housing casting tool according to claim 2, characterized in that: A main waist-shaped groove is formed at the lower portion of the connecting block (506), a main hinge pin is fixedly connected to the upper portion of the lever (505), and the upper portion of the lever (505) is slidably arranged inside the main waist-shaped groove via the main hinge pin; A waist-shaped groove is provided at the lower portion of the lever (505), an inclined groove is provided at the upper portion of the wedge-shaped hinge block (511), a hinge pin is movably connected between the inclined groove and the inner wall of the waist-shaped groove, and a connecting bearing is fixedly connected between the bottom of the wedge-shaped hinge block (511) and the top of the adjustment rod (512).

4. The hydraulic motor housing casting tool according to claim 3, characterized in that: The universal ring (507) is fixedly connected to hinge rings on all four sides, and the hinge rings are rotatably connected to connecting pins inside. The front and rear connecting pins are fixedly connected to the side walls of the connecting block (506), and the left and right connecting pins are fixedly connected to the side walls of the two L-shaped support blocks (508) respectively.

5. The hydraulic motor housing casting tool according to claim 4, characterized in that: The mode conversion mechanism (6) comprises: a reciprocating screw (601) symmetrically rotating on the inner bottom surface of the tooling support (1), the top of which is fixedly connected to a circular gear (602) meshing with a half-toothed ring (514); A screw sleeve (603) is threadedly connected to the reciprocating screw rod (601), and a T-shaped pressure rod (604) is fixed to the top of the screw sleeve (603); The tool support (1) is provided with a movable groove (605) in communication with the adjustment groove (513), and a Z-shaped guide plate (606) is slidably arranged in the movable groove (605); The lower end of the T-shaped pressure rod (604) is slidably connected to the middle of the Z-shaped guide plate (606); The side wall of the Z-shaped guide plate (606) is fixedly connected to a guide rod (607), and the guide rod (607) extends into the adjustment groove (513) and is fixedly connected to the L-shaped inclined plate (608); The adjusting pins (609) are fixedly connected to both sides of the adjusting rod (512), and the adjusting pins (609) are slidably arranged in the middle of the L-shaped inclined plate (608).

6. The hydraulic motor housing casting tool according to claim 5, characterized in that: The lower end of the T-shaped pressure rod (604) is fixedly connected to a guide pin, and a Z-shaped guide groove is provided in the middle of the Z-shaped guide plate (606). The guide pin is slidably arranged inside the Z-shaped guide groove, and the two Z-shaped guide plates (606) are symmetrically arranged.

7. The hydraulic motor housing casting tool according to claim 6, characterized in that: The bottom of the support plate (2) is fixedly connected to an adjusting bearing, and the bottom of the adjusting bearing is spherically connected to four positioning rods at equal distances along the circumference, and the lower part of the positioning rod is movably inserted into the top of the tooling support (1).

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