Tool for solving difficulty in stripping of large steel casting mold live material

Abstract

The utility model discloses a tool for solving the problem that a large steel casting mold live material is difficult to draw, and relates to the technical field of steel casting drawing, the tool comprises a sleeve, a diaphragm, a rebound assembly and an air pump; the sleeve comprises an upper cylinder and a lower cylinder, the upper cylinder and the lower cylinder are connected and internally provided with a cavity, the diaphragm is arranged in the sleeve and located at the joint of the upper cylinder and the lower cylinder, the rebound assembly is arranged in the lower cylinder and connected with the diaphragm, the diaphragm is connected with a connecting rod, the end, away from the diaphragm, of the connecting rod is provided with the vibration assembly, and the air pump is arranged on the outer wall of the sleeve; the vibrating assembly is arranged to make contact with a movable block of the mold, an air outlet and other structures are arranged, vibrating separation is conducted through the vibrating motor, meanwhile, the connecting rod is arranged to transmit force generated when the mold is drawn to the springback assembly, the springback assembly assists the mold to be pushed away from a sand mold after buffering, and the air pump and the diaphragm are arranged to assist the springback assembly to push the connecting rod and help drawing. The working efficiency is improved, damage to castings and molds is reduced, the service life of the molds is prolonged, and the mold quality is improved.

Description

TECHNICAL FIELD

[0001] The application relates to a steel casting demolding technology, in particular to a tool for solving the difficulty in demolding of a large steel casting mold. BACKGROUND

[0002] In the process of casting a large steel casting mold, the demolding of the movable block is a key link. The demolding of the movable block refers to the process of taking out the casting from the mold and cleaning the mold after the casting is cooled and formed. In the production process of a large casting, due to the large size and heavy weight of the large steel casting, a wood mold composed of multiple movable blocks is often used as a mold. After the production is completed, the sand is compacted and the friction is large, so that the user has difficulty in demolding, and a large steel casting mold demolding tool is needed.

[0003] The traditional demolding method usually requires workers to use large steel casting mold demolding tools such as hammers and the like to knock the movable blocks and air outlets of the mold, so as to separate the movable blocks and air outlets of the mold from the sand mold.

[0004] According to the related technology in the above, the inventor believes that this method is easy to cause damage to the casting and the mold, reduces the service life of the mold, and reduces the quality of the mold. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a tool for solving the difficulty in demolding of a large steel casting mold, so as to improve the problem that the traditional demolding tool is easy to cause damage to the casting and the mold, reduces the service life of the mold, and reduces the quality of the mold.

[0006] The application provides a tool for solving the difficulty in demolding of a large steel casting mold, which adopts the following technical scheme:

[0007] A tool for solving the difficulty in demolding of a large steel casting mold, comprising a sleeve, a diaphragm, a rebound assembly, and a gas pump. The sleeve comprises an upper cylinder and a lower cylinder, and the upper cylinder is connected with the lower cylinder and has an inner cavity. The diaphragm is arranged in the sleeve and located at the connection between the upper cylinder and the lower cylinder. The rebound assembly is arranged in the lower cylinder and connected with the diaphragm. The diaphragm is connected with a connecting rod, and the end of the connecting rod away from the diaphragm is provided with a vibration assembly. The gas pump is arranged on the outer wall of the sleeve.

[0008] By adopting the technical scheme, the movable block and the air outlet structure of the mold are contacted by the vibration assembly, vibration separation is performed on these positions by the vibration motor, and the mold is separated from the sand mold, and the force of the mold when the mold is lifted is transmitted to the rebound assembly through the connecting rod, the rebound assembly is buffered, the mold is pushed away from the sand mold, the air pressure in the sleeve is changed by the air pump, the rebound assembly is pushed by the air pressure force, the connecting rod is helped to lift the mold, the working efficiency is improved, the damage to the casting and the mold is reduced, the service life and the quality of the mold are improved.

[0009] Optionally, the upper cylinder bottom surface is provided with a plurality of fixing pins, and the lower cylinder bottom surface is correspondingly provided with a plurality of fixing holes, and the fixing pins are inserted into the fixing holes through the diaphragm.

[0010] By adopting the technical scheme, the diaphragm is fixed by the fixing pin cooperating with the fixing hole, the diaphragm is stably fixed, the diaphragm is not fixed stably, and the air pressure in the upper cylinder and the lower cylinder is affected.

[0011] Optionally, the sleeve outer wall and the connection between the upper cylinder and the lower cylinder are provided with a fixing sleeve.

[0012] By adopting the technical scheme, the upper cylinder and the lower cylinder are fixedly connected by the fixing sleeve, the stability of the device is enhanced, the air tightness of the device is enhanced, the utilization effect of the air pressure is improved, and the energy consumption is reduced.

[0013] Optionally, the center of the diaphragm is provided with a center plate, the center plate is provided with a threaded hole, and one end of the connecting rod is threadedly connected with the center plate.

[0014] By adopting the technical scheme, the diaphragm is connected with other parts through the center plate, the threaded hole is convenient for dismounting and replacing the connecting rod, and the practical life of the device is improved.

[0015] Optionally, the rebound assembly comprises a spring and a telescopic rod, and the spring is sleeved outside the telescopic rod.

[0016] By adopting the technical scheme, the telescopic rod is arranged to guide the movement of the center plate, the damage to the diaphragm is reduced, the utilization of the force transmission is improved, the force during mold lifting is absorbed and rebounded by the spring and fed back to the mold through the connecting rod, and the labor intensity is reduced.

[0017] Optionally, the vibration assembly comprises a connecting plate, a vibration motor fixed on the connecting plate, and a vibration plate fixed on the vibration motor.

[0018] By adopting the technical scheme, the vibration motor is arranged to drive the vibration plate to vibrate, the movable block and the air outlet structure of the mold contacted by the vibration plate are knocked, the movable block and the air outlet structure of the mold are separated from the sand mold, and the working efficiency is improved.

[0019] Optionally, the air pump is arranged on the outer wall of the upper cylinder and the input end of the air pump is communicated with the upper cylinder, and the output end of the air pump is provided with an air pipe communicated with the lower cylinder.

[0020] By adopting the above technical scheme, the air pump is arranged to change the air pressure in the upper cylinder and the lower cylinder, so that the air pressure in the lower cylinder is greater than that in the upper cylinder, the air pipe is arranged to introduce the air in the upper cylinder into the lower cylinder, and the efficiency of the air pump in changing the air pressure is improved; the air pressure acts on the diaphragm to drive the connecting rod, the thrust of the connecting rod is enhanced, the connecting rod is driven to separate the sand mold, and the mold is helped to be demolded.

[0021] Optionally, the bottom surface of the lower cylinder is provided with a gas vent, and the gas vent is provided with a sealing plug.

[0022] By adopting the above technical scheme, after the mold is demolded, the sealing plug is opened to balance the air pressure, so that the diaphragm is prevented from being damaged due to long stretching time, and the service life of the diaphragm is improved.

[0023] In summary, the present application includes at least one of the following technical effects for solving the problem of difficult demolding of the movable block of the mold for large steel castings:

[0024] 1. The movable block, air outlet and other structures of the mold are contacted by the vibration assembly, the positions are vibrated by the vibration motor to help the movable block and the sand mold to be separated, the force of the mold during demolding is transmitted to the rebound assembly through the connecting rod, the mold is pushed away from the sand mold after the rebound assembly is buffered, the air pressure in the sleeve is changed by the air pump, the rebound assembly is driven by the air pressure to drive the connecting rod, the demolding is helped, the working efficiency is improved, the damage to the castings and the mold is reduced, the service life and the quality of the mold are improved;

[0025] 2. The air pump is arranged to change the air pressure in the upper cylinder and the lower cylinder, so that the air pressure in the lower cylinder is greater than that in the upper cylinder, the air pipe is arranged to introduce the air in the upper cylinder into the lower cylinder, and the efficiency of the air pump in changing the air pressure is improved; the air pressure acts on the diaphragm to drive the connecting rod, the thrust of the connecting rod is enhanced, the connecting rod is driven to separate the sand mold, and the mold is helped to be demolded.

[0026] 3. The vibration motor drives the vibration plate to vibrate, the movable block, air outlet and other structures of the mold contacted by the vibration plate are vibrated and knocked, the movable block, air outlet and other structures of the mold are helped to be separated from the sand mold, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of the main body of the tool for solving the problem of difficult demolding of the movable block of the mold for large steel castings.

[0028] Figure 2 is a cross-sectional schematic diagram of the overall structure of the present application.

[0029] Figure 3 is Figure 2 is an enlarged schematic view of the structure at A in FIG.

[0030] In the figure, 1, sleeve; 11, upper cylinder; 111, fixed pin; 12, lower cylinder; 121, fixed hole; 2, diaphragm; 21, center plate; 211, threaded hole; 3, rebound assembly; 31, telescopic rod; 32, spring; 4, air pump; 41, air pipe; 5, connecting rod; 6, vibration assembly; 61, connecting plate; 62, vibration motor; 63, vibration plate; 7, fixed sleeve; 8, air vent; 81, sealing plug. DETAILED DESCRIPTION

[0031] The following description will be made in conjunction with the accompanying drawings. Figure 1 - the accompanying drawings Figure 3 , the present application will be further described in detail.

[0032] A tool for solving the difficulty of large steel casting mold active material demolding, referring to Figure 2 , Figure 3 , including sleeve 1, diaphragm 2, rebound assembly 3, air pump 4;

[0033] The sleeve 1 includes an upper cylinder 11 and a lower cylinder 12, the upper cylinder 11 is connected with the lower cylinder 12 and has a built-in cavity, the diaphragm 2 is arranged in the sleeve 1 and located at the connection of the upper cylinder 11 and the lower cylinder 12, the diaphragm 2 is a rubber sheet with certain elasticity, a circle of fixed pins 111 is arranged on the bottom surface of the upper cylinder 11, a fixed hole 121 is arranged on the bottom surface of the lower cylinder 12, the fixed pin 111 penetrates the diaphragm 2 and is inserted into the fixed hole 121, a fixed sleeve 7 is welded and fixed on the outer wall of the sleeve 1 at the connection of the upper cylinder 11 and the lower cylinder 12, and the fixed sleeve 7 is adapted to the outer wall of the sleeve 1;

[0034] The center plate 21 is arranged at the center of the diaphragm 2, the center plate 21 is provided with two blocks which are clamped and fixed on the two surfaces of the diaphragm 2, the two blocks of the center plate 21 are fixedly connected by bolts, the threaded hole 211 is formed on the center plate 21, and one end of the connecting rod 5 is threadedly connected with the center plate 21; the rebound assembly 32 is arranged in the lower cylinder 12 and connects the bottom surface of the lower cylinder 12 and the center plate 21, the rebound assembly 3 includes the spring 32 and the telescopic rod 31, the spring 32 is sleeved on the outer wall of the telescopic rod 31, the telescopic rod 31 is divided into two sections, specifically a cylinder piece and a rod piece, and the rod piece is slidingly inserted into the cylinder piece.

[0035] Referring to Figure 1 , Figure 2The end of the connecting rod 5 away from the diaphragm 2 is provided with a vibration assembly 6, the vibration assembly 6 is turned on or off by a button provided on the sleeve 1 and electrically connected with the vibration assembly 6, the vibration assembly 6 comprises a connecting plate 61, a vibration motor 62 fixed on the connecting plate 61 and a vibration plate 63 fixed on the vibration motor 62, the connecting plate 61 is threadedly connected with the connecting rod 5, the vibration motor 62 is bolted on the connecting plate 61, the vibration motor 62 vibrates at a high frequency and a small amplitude, and the vibration plate 63 is welded on the vibration motor 62 and made of a hard non-metal material to avoid damaging the mold and the sand mold.

[0036] With reference to Figure 2 The air pump 4 is arranged on the outer wall of the upper cylinder 11, the outer wall of the upper cylinder 11 is provided with a hole, the input end of the air pump 4 is communicated with the upper cylinder 11 through the hole, the output end of the air pump 4 is provided with an air pipe 41, the air pump 4 can exchange the output end and the input end through the built-in electromagnetic valve, the air pipe 41 is communicated with the lower cylinder 12 and is in good sealing, the bottom surface of the lower cylinder 12 is provided with a gas leakage hole 8, the gas leakage hole 8 is provided with a sealing plug 81, the sealing plug 81 is made of hard plastic and is screwed in the gas leakage hole 8 through the thread arranged on the sealing plug 81.

[0037] The implementation principle of the embodiment of the present application is as follows:

[0038] In actual work, the tool is manually held to control the vibration plate 63 to contact the mold movable block, the riser and the air outlet structure, at this time, the external device performs mold stripping work, when the mold is stripped, the mold lifts and presses the vibration plate 63, the vibration is conducted to the rebound assembly 3 through the connecting rod 5, the rebound assembly 3 buffers and then applies an opposite force to the connecting rod 5, the vibration plate 63 is pushed to perform reverse force work on the mold movable block, the riser and the air outlet structure, at the same time, the vibration motor 62 and the air pump 4 are started, the vibration plate 63 vibrates and knocks, the separation is accelerated, the air pump 4 cooperates with the diaphragm 2 to drive the connecting rod 5 by using air pressure, and then the mold movable block, the riser and the air outlet structure are separated from the sand mold; the efficiency is improved, the labor intensity is reduced, the damage to the castings and the mold is reduced, finally, the sealing plug 81 is opened, the output end and the input end of the air pump 4 are reversed by using the electromagnetic valve, the air pressure is balanced, and the diaphragm 2 is protected.

[0039] The embodiments of the specific implementation mode are the preferred embodiments of the present application, and do not limit the protection scope of the present application, wherein the same parts are indicated by the same reference numerals. Therefore, equivalent changes made according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. A tool for resolving the difficulty of stripping large steel castings from a mould, characterised in that: The utility model provides a kind of air pump, including sleeve (1), diaphragm (2), rebound component (3), air pump (4);The sleeve (1) includes upper cylinder (11) and lower cylinder (12), the upper cylinder (11) is connected with lower cylinder (12) and is built-in cavity, the diaphragm (2) is arranged in sleeve (1), and located the junction of upper cylinder (11) and lower cylinder (12), the rebound component (3) is arranged in lower cylinder (12) and is connected with diaphragm (2), the diaphragm (2) is connected with connecting rod (5) on, the connecting rod (5) is provided with vibration component (6) at the end away from diaphragm (2), the air pump (4) is arranged on the outer wall of sleeve (1).

2. A tool for solving the difficulty of stripping the live material of a mold for a large steel casting according to claim 1, characterized in that: The upper cylinder (11) bottom is provided with a plurality of fixed pins (111), the lower cylinder (12) bottom is provided with a plurality of fixed holes (121) correspondingly, the fixed pin (111) is inserted into the fixed hole (121) through the diaphragm (2).

3. A tool for solving the difficulty of stripping the live material of a mold for a large steel casting according to claim 1, characterized in that: The outer wall of sleeve (1) and located the junction of upper cylinder (11) and lower cylinder (12) is provided with fixed sleeve (7).

4. A tool for solving the difficulty of stripping the live material of a mold for a large steel casting according to claim 1, characterized in that: The diaphragm (2) center is provided with center plate (21), the center plate (21) is provided with threaded hole (211), one end of connecting rod (5) is connected with center plate (21) by screw thread.

5. A tool for solving the difficulty of stripping the large steel casting mold according to claim 1, characterized in that: The rebound component (3) includes spring (32) and telescopic rod (31), the spring (32) is sleeved on the telescopic rod (31) outside.

6. A tool for solving the difficulty of stripping the live material of a mold for a large steel casting according to claim 1, characterized in that: The vibration component (6) includes connecting plate (61), vibration motor (62) fixed on connecting plate (61) and vibration plate (63) fixed on vibration motor (62).

7. A tool for solving the difficulty of stripping the live material of a mold for a large steel casting according to claim 1, characterized in that: The air pump (4) is arranged on the outer wall of upper cylinder (11), and the input end of air pump (4) is communicated with upper cylinder (11), the output end of air pump (4) is provided with air pipe (41), and the air pipe (41) is communicated with lower cylinder (12).

8. A tool for solving the difficulty of stripping the live material of a mold for a large steel casting according to claim 1, characterized in that: The bottom of lower cylinder (12) is provided with a gas escape hole (8), and the gas escape hole (8) is provided with a sealing plug (81).

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