Gravity casting mold convenient for discharging

Abstract

The utility model discloses a gravity casting mould convenient for unloading, which comprises an upper mould plate and a lower mould plate, an upper mould seat is arranged on the upper mould plate, the upper mould seat is fixed on a mounting frame, the mounting frame is arranged on a base, a lower mould seat is arranged on the lower mould plate, the lower mould plate is arranged on a piston rod of a hydraulic cylinder, and the hydraulic cylinder is arranged on the base. The hydraulic cylinder is used for separating the lower die holder from the upper die holder, the hydraulic cylinder is arranged on the bottom plate, and the bottom plate is arranged on the base; an adjusting type moving mechanism used for moving the device is further arranged on the base, formed parts are automatically discharged under the action of gravity, meanwhile, when the lower die base is closed, forming raw materials can be injected through a sprue gate in the upper die plate, the forming efficiency of the parts is improved, and the production cost is reduced. The device can be moved to a discharging position or a forming position, meanwhile, during forming, the stability of the device can be guaranteed, and using is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of parts processing, and in particular relates to a gravity casting mold which is convenient for unloading. Background Art

[0002] The principle of gravity casting is to use the gravity of the riser to supplement the solidification shrinkage. This gravity casting mold can be reused and can also be called permanent mold casting, which means that the molten metal is mainly fed into the cavity and then cooled to form.

[0003] After the parts are cast and formed, the current gravity casting mold usually needs to lift the upper mold and unload the parts. The way of unloading by lifting the upper mold requires the upper mold and the lower mold to be closed before the next casting can be carried out, which greatly reduces the molding efficiency of the parts and reduces the production speed. At the same time, the unloading position is adjusted according to the position of the workstation, and there are limitations in its use. For this reason, we propose a gravity casting mold that is easy to unload. Utility Model Content

[0004] The purpose of the utility model is to provide a gravity casting mold that is easy to unload, so as to solve the problem raised in the above background technology that the current gravity casting mold usually needs to lift the upper mold and unload the parts after the parts are cast and formed. The method of unloading by lifting the upper mold requires the upper mold and the lower mold to be closed before the next casting can be carried out, which greatly reduces the part molding efficiency and reduces the production speed. At the same time, the unloading position is adjusted according to the position of the workstation, and there are limitations in use.

[0005] To achieve the above object, the utility model provides the following technical solution: a gravity casting mold that is easy to unload, comprising an upper mold plate and a lower mold plate, an upper mold base is arranged on the upper mold plate, the upper mold base is fixed on a mounting frame, the mounting frame is arranged on a base, a lower mold base is arranged on the lower mold plate, the lower mold plate is arranged on a piston rod of a hydraulic cylinder, the hydraulic cylinder is used to separate the lower mold base from the upper mold base, the hydraulic cylinder is arranged on a bottom plate, and the bottom plate is arranged on the base;

[0006] The base is also provided with an adjustable moving mechanism for moving the device.

[0007] Preferably, guide posts are provided at the corners of the bottom plate, and the guide posts respectively penetrate the lower template and the upper template, thereby improving the guiding property of the lower template when moving.

[0008] Preferably, the adjustable movable mechanism includes a counterweight seat, which is arranged on a base, and a first rotating shaft and a second rotating shaft are rotatably arranged on both sides of the counterweight seat respectively. The rotation of the first rotating shaft and the second rotating shaft can synchronously control the lifting and lowering of multiple sets of pulley structures. The counterweight seat is also provided with a transmission structure for driving the first rotating shaft and the second rotating shaft to rotate synchronously, so that the device can be moved and placed.

[0009] Preferably, the pulley structure includes a transmission gear, which is arranged on the first rotating shaft and the second rotating shaft, and the transmission gear is meshed with a transmission rack, which is arranged on a wheel seat, and one end of the transmission rack is movably arranged in a longitudinal receiving opening, and the wheel seat is movably arranged in a receiving groove, and the receiving groove is arranged on a counterweight seat, and the wheel seat is also provided with a guide wheel, which can be raised and lowered to facilitate the movement of the device.

[0010] Preferably, guide sliders are symmetrically arranged on both sides of the wheel seat, one end of the guide slider is slidably arranged in the guide slot, and the guide slots are arranged on both sides of the storage slot, thereby improving the guiding performance of the wheel seat when moving.

[0011] Preferably, the transmission structure includes a first pulley and a second pulley, the first pulley is arranged on the first rotating shaft, the first pulley is connected to the second pulley through a synchronous belt, and the second pulley is arranged on the second rotating shaft, which can simultaneously control the first rotating shaft and the second rotating shaft to rotate synchronously in the same direction.

[0012] Preferably, one end of the first rotating shaft is also connected to a driving shaft of a driving motor located at one side of a transmission box, and the transmission box is arranged on a counterweight seat and can drive the first rotating shaft to rotate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The utility model can drive the lower mold plate to move up and down through the extension and retraction of the hydraulic cylinder, thereby separating the lower mold base from the upper mold base and allowing the molded parts to be automatically unloaded under the action of gravity. At the same time, when the lower mold base is closed, the molding raw materials can be injected through the pouring port on the upper mold plate, thereby greatly improving the molding efficiency of the parts and increasing production capacity.

[0015] (2) The utility model can control the lifting and lowering of the guide wheel. By lifting and lowering the guide wheel, the device can be moved to the unloading position or the molding position. At the same time, during molding, its stability can be ensured, and it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the main cross-sectional structure of the adjustable moving mechanism in the utility model;

[0019] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the counterweight seat in the utility model from top view;

[0021] Figure 6 This is a schematic diagram of the main structure of the utility model in a mobile state;

[0022] In the figure: 1. adjustable moving mechanism; 2. bottom plate; 3. hydraulic cylinder; 4. lower die seat; 5. upper die seat; 6. upper die plate; 7. guide column; 8. lower die plate; 9. mounting frame; 10. base; 101. counterweight seat; 102. first rotating shaft; 103. second rotating shaft; 104. longitudinal receiving opening; 105. transmission gear; 106. transmission rack; 107. wheel seat; 108. receiving groove; 109. guide wheel; 110. guide slider; 111. guide slide groove; 112. first pulley; 113. driving motor; 114. transmission box; 115. second pulley. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 2 The utility model provides a technical solution: a gravity casting mold that is easy to unload, including an upper template 6 and a lower template 8, an upper mold base 5 is arranged on the upper template 6, the upper mold base 5 is fixed on a mounting frame 9, the mounting frame 9 is arranged on a base 10, a lower mold base 4 is arranged on the lower template 8, the lower template 8 is arranged on the piston rod of a hydraulic cylinder 3, the hydraulic cylinder 3 is used to separate the lower mold base 4 from the upper mold base 5, the hydraulic cylinder 3 is arranged on a bottom plate 2, and the bottom plate 2 is arranged on the base 10.

[0025] First, the device is moved to the molding position by the adjustable moving mechanism 1, and then the molding raw material is injected into the molding cavity of the lower mold base 4 and the lower mold base 4 through the pouring port of the upper mold plate 6. When the molding is completed, the lower mold plate 8 is driven downward by the hydraulic cylinder 3, and the lower mold plate 8 drives the lower mold base 4 to move downward. After the lower mold base 4 is separated from the upper mold base 5, the molded parts automatically fall off under the action of gravity. When the parts are unloaded, the lower mold base 4 is driven by the hydraulic cylinder 3 to close the mold. During the closing process, the injection molding raw material can be injected, which saves the raw material pouring cycle and improves the molding efficiency.

[0026] Furthermore, guide columns 7 are provided at the corners of the bottom plate 2, and the guide columns 7 respectively penetrate the lower template 8 and the upper template 6. When the hydraulic cylinder 3 drives the lower template 8 to move, the lower template 8 moves along the guide columns 7, thereby improving the guiding performance of the lower template 8 when moving.

[0027] Specifically, the present application is not limited to using the hydraulic cylinder 3 to drive the lower template 8 to move up and down, and can also use a cylinder, an electric screw, a gear rack combination, a pulley sprocket combination, etc.

[0028] As a specific embodiment of this application, please refer to Figure 3-Figure 6 The base 10 is also provided with an adjustable mobile mechanism 1 for moving the device. The adjustable mobile mechanism 1 includes a counterweight seat 101. The counterweight seat 101 is provided on the base 10. The first rotating shaft 102 and the second rotating shaft 103 are respectively rotatably provided on both sides of the counterweight seat 101. The rotation of the first rotating shaft 102 and the second rotating shaft 103 can synchronously control the lifting and lowering of multiple groups of pulley structures. The counterweight seat 101 is also provided with a transmission structure for driving the first rotating shaft 102 and the second rotating shaft 103 to rotate synchronously, so that the device can be moved and placed. The pulley structure includes The transmission gear 105 is arranged on the first rotating shaft 102 and the second rotating shaft 103. The transmission gear 105 is meshed with a transmission rack 106. The transmission rack 106 is arranged on a wheel seat 107, and one end of the transmission rack 106 is movably arranged in the longitudinal receiving port 104 to guide the movement of the transmission rack 106. The wheel seat 107 is movably arranged in a receiving groove 108, and the receiving groove 108 is arranged on the counterweight seat 101. The wheel seat 107 is also provided with a guide wheel 109, which can be raised and lowered to facilitate the movement of the device.

[0029] The transmission structure includes a first pulley 112 and a second pulley 115. The first pulley 112 is arranged on the first rotating shaft 102. The first pulley 112 is connected to the second pulley 115 through a synchronous belt. The second pulley 115 is arranged on the second rotating shaft 103, and can simultaneously control the first rotating shaft 102 and the second rotating shaft 103 to rotate synchronously in the same direction. One end of the first rotating shaft 102 is also connected to the driving shaft of the driving motor 113 located on one side of the transmission box 114. The transmission box 114 is arranged on the counterweight seat 101, and can drive the first rotating shaft 102 to rotate.

[0030] The first rotating shaft 102 is driven to rotate by the driving motor 113, the first rotating shaft 102 drives the first pulley 112 to rotate, the first pulley 112 drives the second pulley 115 to rotate through the synchronous belt, the second pulley 115 drives the second rotating shaft 103 to rotate, and then the first rotating shaft 102 and the second rotating shaft 103 rotate synchronously in the same direction, the first rotating shaft 102 and the second rotating shaft 103 drive the transmission gear 105 to rotate, the transmission gear 105 drives the transmission rack 106 to move, and the transmission rack 106 moves to drive the wheel The seat 107 moves, and the wheel seat 107 drives the guide wheel 109 to move. The guide wheel 109 moves out of the storage groove 108, and the device is lifted up. Then, the device is moved to the specified molding or unloading position through the guide wheel 109, and then through the reverse rotation of the first rotating shaft 102 and the second rotating shaft 103, and through the transmission of the transmission gear 105 and the transmission rack 106, the guide wheel 109 can be stored in the storage groove 108, and the counterweight seat 101 can stably support the device.

[0031] Furthermore, guide sliders 110 are symmetrically arranged on both sides of the wheel seat 107, one end of the guide slider 110 is slidably arranged in a guide groove 111, and the guide groove 111 is arranged on both sides of the storage groove 108. The movement of the wheel seat 107 drives the guide slider 110 to move in the guide groove 111, thereby improving the guidance of the wheel seat 107 when it moves.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Gravity casting mold for easy unloading, characterized by: The invention comprises an upper mold plate (6) and a lower mold plate (8), wherein an upper mold base (5) is arranged on the upper mold plate (6), wherein the upper mold base (5) is fixed on a mounting frame (9), wherein the mounting frame (9) is arranged on a base (10), wherein a lower mold base (4) is arranged on the lower mold plate (8), wherein the lower mold plate (8) is arranged on a piston rod of a hydraulic cylinder (3), wherein the hydraulic cylinder (3) is used to separate the lower mold base (4) from the upper mold base (5), wherein the hydraulic cylinder (3) is arranged on a bottom plate (2), and wherein the bottom plate (2) is arranged on the base (10); The base (10) is also provided with an adjustable moving mechanism (1) for moving the device.

2. The gravity casting mold for easy unloading according to claim 1, characterized in that: Guide pillars (7) are arranged at the corners of the bottom plate (2), and the guide pillars (7) respectively penetrate the lower template (8) and the upper template (6).

3. The gravity casting mold for easy unloading according to claim 1, characterized in that: The adjustable moving mechanism (1) comprises a counterweight seat (101), wherein the counterweight seat (101) is arranged on a base (10), and a first rotating shaft (102) and a second rotating shaft (103) are rotatably arranged on both sides of the counterweight seat (101), and the rotation of the first rotating shaft (102) and the second rotating shaft (103) can synchronously control the lifting and lowering of multiple groups of pulley structures. The counterweight seat (101) is also provided with a transmission structure for driving the first rotating shaft (102) and the second rotating shaft (103) to rotate synchronously.

4. The gravity casting mold for easy unloading according to claim 3, characterized in that: The pulley structure comprises a transmission gear (105), wherein the transmission gear (105) is arranged on a first rotating shaft (102) and a second rotating shaft (103), wherein the transmission gear (105) is meshed with a transmission rack (106), wherein the transmission rack (106) is arranged on a wheel seat (107), and one end of the transmission rack (106) is movably arranged in a longitudinal receiving opening (104), wherein the wheel seat (107) is movably arranged in a receiving groove (108), wherein the receiving groove (108) is arranged on a counterweight seat (101), and wherein the wheel seat (107) is further provided with a guide wheel (109).

5. The gravity casting mold for easy unloading according to claim 4, characterized in that: Guide slide blocks (110) are symmetrically arranged on both sides of the wheel seat (107), one end of the guide slide block (110) is slidably arranged in a guide slide groove (111), and the guide slide groove (111) is arranged on both sides of the storage groove (108).

6. The gravity casting mold for easy unloading according to claim 3, characterized in that: The transmission structure comprises a first pulley (112) and a second pulley (115), wherein the first pulley (112) is arranged on the first rotating shaft (102), the first pulley (112) is connected to the second pulley (115) via a synchronous belt, and the second pulley (115) is arranged on the second rotating shaft (103).

7. The gravity casting mold for easy unloading according to claim 6, characterized in that: One end of the first rotating shaft (102) is also connected to a driving shaft of a driving motor (113) located at one side of a transmission box (114), and the transmission box (114) is arranged on the counterweight seat (101).

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