Sand mould turnover drawing machine for casting crusher rack set

Abstract

The utility model provides a sand mould turnover machine for casting a crusher rack set, which comprises a lifting platform, a bottom mould structure and a sand box, the supporting plates are symmetrically arranged on the two sides of the lifting platform, rotating motors are arranged on the outer sides of the supporting plates, and the driving ends of the rotating motors penetrate through the supporting plates to be horizontally arranged; the pair of rotating plates are fixedly mounted at the driving ends of the corresponding rotating motors respectively; and the guide rails are fixedly installed on the inner sides of the corresponding rotating plates correspondingly and vertically arranged, and an upper clamping assembly and a lower clamping assembly are arranged on the guide rails in a sliding mode and used for clamping the sand box and the bottom die structure correspondingly. According to the utility model, clamping and overturning of the sand box and the bottom die structure are realized, and the device has the advantages of stable and reliable structure, high overturning efficiency, convenience and safety in operation and easiness in maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry mechanical equipment technical field, in particular to the sand mould turning box draw machine for crusher frame group casting. BACKGROUND

[0002] Sand box is indispensable for solidifying sand mould, preparing sand mould equipment in foundry process. The process of preparing sand mould includes placing sand box on bottom mould structure, filling sand mould and waiting for sand mould solidification, turning box to make bottom mould structure on the top, and removing bottom mould structure.

[0003] In the process of preparing sand mould, turning box and draw machine are important links, which are related to the production quality and efficiency of castings. The turning box process is to turn over the sand box and the bottom mould structure together, so that the bottom mould structure is on the top, to facilitate the upward draw machine. In the prior art, hoisting equipment and corresponding turning machine are used to turn over the sand box. The sand box is hoisted by the hoisting equipment and connected with the turning machine, and then the turning machine is started to turn over until the required angle is reached. The bottom mould structure is removed by using tools. The advantage is that the turning machine can be attached to the overhead crane in the workshop, without occupying the fixed operation area. The defects are: the cooperation between the hoisting equipment and the turning machine is relatively high. If the cooperation is improper, the operation is wrong or the hoisting chain is aging, the equipment may be damaged during hoisting or turning, and even the sand box may fall, causing serious safety accidents. The operation is complex, and the skill requirement of the operator is high. The operator needs to be familiar with the operation process and precautions of the equipment, otherwise the operation may be wrong. The purchase and maintenance cost of the hoisting equipment and the turning machine is relatively high.

[0004] Therefore, it is necessary to improve the prior art. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides sand mould turning box draw machine for crusher frame group casting to solve the above problems.

[0006] One of the technical schemes adopted by the utility model is to provide sand mould turning box draw machine for crusher frame group casting, which comprises:

[0007] The lifting platform is used to hold the bottom mould structure and the sand box after the sand mould is solidified.

[0008] A pair of support plates are symmetrically arranged on both sides of the lifting platform, and a rotary motor is arranged on the outer side of the support plates. The driving end of the rotary motor is arranged horizontally through the support plate.

[0009] A pair of rotating plates are respectively fixedly installed on the driving end of the corresponding rotary motor.

[0010] At least one pair of guide rails are fixedly installed at the inner side of the corresponding rotating plate vertically, and the upper clamping assembly and the lower clamping assembly are slidably arranged on the guide rails and used for clamping the sand box and the bottom die structure respectively.

[0011] Further, the upper clamping assembly comprises an upper clamping cylinder and a push plate, the fixed end of the upper clamping cylinder is slidably arranged on the guide rail, and the driving end is horizontally arranged, and the push plate is fixed to the driving end of the upper clamping cylinder and used for clamping the sand box.

[0012] Further, the lower clamping assembly comprises a lower clamping cylinder and a flat clamping cylinder, the fixed end of the lower clamping cylinder is slidably arranged on the guide rail, and the driving end is horizontally arranged, and the fixed end of the flat clamping cylinder is arranged at the driving end of the lower clamping cylinder, and the clamping jaw thereof points to the inner side and is used for clamping the edge of the bottom plate of the bottom die structure.

[0013] Further, the inner side of the support plate is further provided with a displacement sensor, which is used for judging whether the lifting platform is higher or lower than the preset height, so that the bottom die structure and the sand box are prevented from colliding with the lifting platform during the overturning process.

[0014] Further, the guide rail is provided with a limiting piece at both ends, which is used for limiting the movement range of the upper and lower clamping assemblies and preventing the upper and lower clamping assemblies from derailing.

[0015] Further, the push plate and the clamping jaw are provided with pressure sensors, which are used for detecting the clamping force, so that the sand mold or the clamping assembly is prevented from being damaged due to excessive or insufficient clamping force.

[0016] Further, two or more than two lifting platforms are arranged side by side, a pair of tracks are arranged at the outer side of the lifting platforms, the bottom portions of the support plates are slidably arranged on the corresponding tracks respectively, and a limiting device is arranged on the track corresponding to each lifting platform, so that the support plates can reach the side surfaces of the lifting platforms in sequence along the tracks and cooperate with the corresponding lifting platforms to complete the overturning of the bottom die structure and the sand box at the current position.

[0017] Further, the limiting device is a proximity switch or a photoelectric sensor, which has the advantages of high precision and easy integration.

[0018] The sand mold overturning and mold releasing machine for the crusher frame assembly casting has the following beneficial effects:

[0019] 1. The lifting platform is designed to lift the bottom die structure and the sand box after the sand mold is solidified to the overturning position, the clamping and overturning actions are realized by the support plate, the rotating plate and the clamping assembly arranged on the rotating plate, the structure is stable and reliable, and the overturning efficiency is high.

[0020] 2. The operation is convenient, the labor intensity of the operator is reduced, the safety risks caused by improper cooperation, operation errors or aging of the lifting chain are reduced, and the maintenance and maintenance are easy. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is the front view of the sand mold turnover machine in the starting state of the first embodiment of the utility model;

[0022] Fig. 2 is the front view of the sand mold turnover machine in the clamping state of the first embodiment of the utility model;

[0023] Fig. 3 is the front view of the sand mold turnover machine after turnover of the first embodiment of the utility model;

[0024] Fig. 4 is the plan view of the sand mold turnover machine after turnover of the first embodiment of the utility model;

[0025] The marks of the components in the drawings are as follows: 1, lifting platform, 2, track, 3, support plate, 4, rotary motor, 5, rotating plate, 6, upper clamping assembly, 7, lower clamping assembly, 8, bottom mold structure, 9, sand box, 51, guide rail, 61, upper clamping cylinder, 62, push plate, 71, lower clamping cylinder, 72, flat clamping cylinder. DETAILED DESCRIPTION

[0026] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0027] In the description of the utility model, it is understood that the directions or position relations indicated by the terms "upper", "lower", "left", "right", "front", "rear", "horizontal", "vertical", "inner", "outer" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model, and cannot indicate or imply that the indicated components or elements must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0028] Please refer to Figs. 1 to 4 The first embodiment of the utility model provides a sand mold turnover and mold stripping machine for crusher frame assembly casting, which comprises:

[0029] Three lifting platforms 1 arranged side by side, used to hold the bottom mold structure 8 and the sand box 9 after the sand mold is solidified;

[0030] A pair of tracks 2 arranged on the outer side of the lifting platform 1, used to support and guide the slidingly arranged support plate 3;

[0031] A pair of support plates 3 are symmetrically arranged on both sides of the lifting platform 1, the bottom of which is slidably arranged on the track 2, and the outer side of which is provided with a rotating motor 4, the driving end of which penetrates through the support plate 3 and is horizontally arranged, and the driving shaft of the rotating motor 4 is connected with the support plate 3 through a bearing;

[0032] A pair of rotating plates 5 are respectively fixedly installed at the driving end of the corresponding rotating motor 4, that is, on the inner side of the support plate 3, and the rotating plate 5 is designed in a square shape so as to facilitate the arrangement of other clamping assemblies on the rotating plate 5;

[0033] Two pairs of guide rails 51 are respectively fixedly installed on the inner side of the corresponding rotating plate 5 and are vertically arranged, and the upper clamping assembly and the lower clamping assembly are slidably arranged on the guide rail 51, and are respectively used for clamping the sand box 9 and the bottom die structure 8, and the upper clamping assembly and the lower clamping assembly are detachable and lockable;

[0034] The upper clamping assembly comprises an upper clamping cylinder 61 and a push plate 62, the fixed end of the upper clamping cylinder 61 is slidably arranged on the guide rail 51, the driving end thereof is horizontally arranged, and the push plate 62 is fixed at the driving end of the upper clamping cylinder 61 and is used for clamping the sand box 9;

[0035] The lower clamping assembly comprises a lower clamping cylinder 71 and a flat clamping cylinder 72, the fixed end of the lower clamping cylinder 71 is slidably arranged on the guide rail 51, the driving end thereof is horizontally arranged, and the fixed end of the flat clamping cylinder 72 is arranged at the driving end of the lower clamping cylinder 71, the clamping jaw thereof points to the inner side, and is used for clamping the edge of the bottom plate of the bottom die structure 8.

[0036] Specifically, limit pieces are arranged at both ends of the guide rail 51, which are used for limiting the movement range of the upper and lower clamping assemblies and avoiding the derailment thereof.

[0037] A plurality of sensors are further arranged for monitoring position and pressure information, so as to control the action of each component structure by the control system:

[0038] A limiting device is arranged on the track 2 corresponding to each lifting platform 1, so that the pair of support plates 3 can sequentially reach the side surface of each lifting platform 1 along the track 2, and cooperate with the corresponding lifting platform 1 to complete the overturning of the bottom die structure 8 and the sand box 9 at the current position, wherein the limiting device adopts a proximity switch, when the support plate 3 moves to the position, the proximity switch is triggered and sends a signal to the control system, and the control system stops the movement of the support plate 3;

[0039] A displacement sensor is arranged on the inner side of the support plate 3, which is used for judging whether the lifting platform 1 is higher or lower than the preset height, so as to avoid the collision between the bottom die structure 8 and the sand box 9 and the lifting platform 1 in the overturning process;

[0040] Pressure sensors are arranged at the push plate 62 and the clamping jaw, which are used for detecting the clamping force, so as to avoid the damage of the sand mold or the clamping assembly caused by the excessive or insufficient clamping force.

[0041] Specifically, the control system is equipped with a human-computer interaction interface, and an operator can instruct the support plate 3 to sequentially reach each lifting platform 1 to complete the overturning work or reach a specified lifting platform 1 to work according to actual needs, and the human-computer interaction interface is provided with an emergency stop button, so as to quickly stop the equipment operation in an emergency to ensure the safety of personnel and equipment.

[0042] In order to make the structure between the support plate 3 and the rotating plate 5 more stable, a reinforcing structure is further arranged between the two:

[0043] The inner side of the support plate 3 is provided with a rotating groove with the rotating motor 4 driving shaft as the center, and the inner wall of the rotating groove is uniformly provided with a ball;

[0044] The outer side of the rotating plate 5 is provided with a rotating ring corresponding to the rotating groove, which is also centered with the rotating motor 4 driving shaft, the rotating ring is embedded in the rotating groove, the outer wall of the rotating ring is in contact with the ball, and the close cooperation between the rotating ring and the rotating groove can increase the overall rigidity of the structure;

[0045] When the rotating motor 4 drives the rotating plate 5 to rotate, the rolling friction between the rotating ring and the rotating groove can significantly reduce the friction loss and wear, and improve the rotating efficiency and precision.

[0046] Specifically, the design of the ball and the rotating groove can be optimized according to the actual load to provide greater carrying capacity.

[0047] In the actual arrangement of the box turning machine, the track 2 and the lifting platform 1 can be arranged under the ground to save space and facilitate the carrying of the structure to be turned over.

[0048] The working principle of the sand mold box turning and mold drawing machine for crusher frame group casting is:

[0049] A pair of support plates slide to a specified lifting platform;

[0050] The lifting platform is raised, the sand box and the bottom mold structure reach the rotating plate height, and the bottom plate of the bottom mold structure reaches the preset clamping height;

[0051] The upper and lower clamping assemblies are extended to clamp the bottom mold structure and the sand box, and after clamping, the lifting platform is lowered to avoid;

[0052] The rotating plate is rotated by 180 degrees under the drive of the rotating motor, and the overturning is completed;

[0053] The lifting platform is raised and holds the sand box, and the clamping assembly is loosened and retracted;

[0054] The lifting platform is lowered to the ground, the rotating plate is reset, and the support plate goes to the next lifting platform.

[0055] The sand mold box turning and mold drawing machine for crusher frame group casting has the following advantages:

[0056] 1. The lifting platform is designed to lift the bottom mold structure and the sand box after the sand mold is solidified to the overturning position, the clamping and overturning actions are realized by using the supporting plate, the rotating plate and the clamping assembly designed on the rotating plate, the structure is stable and reliable, and the overturning efficiency is high.

[0057] 2. The operation is convenient, the labor intensity of the operator is reduced, the safety risks caused by improper cooperation, operation failure or hoisting chain aging are reduced, and maintenance and maintenance are easy.

[0058] 3. Various sensors for monitoring and control are arranged to ensure safe operation of the machine.

[0059] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A sand mold turnover and demolding machine for casting a frame group of a crusher, characterized in that, The utility model relates to a sand box and bottom mould structure overturning device, including: a lifting platform for holding the bottom mould structure and the sand box after the sand mould is solidified; a pair of support plates symmetrically arranged on both sides of the lifting platform, with rotary motors arranged outside the support plates, and the driving ends of the rotary motors horizontally arranged through the support plates; a pair of rotating plates fixedly installed on the driving ends of the corresponding rotary motors respectively; at least one pair of guide rails fixedly installed on the inner sides of the corresponding rotating plates and arranged vertically, with an upper clamping assembly and a lower clamping assembly slidingly arranged on the guide rails, for clamping the sand box and the bottom mould structure respectively.

2. The crusher frame assembly sand mold knock-out machine according to claim 1, characterized by, The upper clamping assembly comprises an upper clamping cylinder and a push plate, the fixed end of the upper clamping cylinder is slidingly arranged on the guide rail, the driving end of the upper clamping cylinder is horizontally arranged, and the push plate is fixed to the driving end of the upper clamping cylinder, for clamping the sand box.

3. The crusher frame assembly sand mold knock-out machine according to claim 2, characterized by, The lower clamping assembly comprises a lower clamping cylinder and a flat clamping cylinder, the fixed end of the lower clamping cylinder is slidingly arranged on the guide rail, the driving end of the lower clamping cylinder is horizontally arranged, the fixed end of the flat clamping cylinder is arranged on the driving end of the lower clamping cylinder, the clamping jaws of the flat clamping cylinder point to the inner side, and the flat clamping cylinder is used for clamping the edge of the bottom plate of the bottom mould structure.

4. The crusher frame assembly sand mold knock-out machine according to claim 3, characterized by, The inner side of the support plate is further provided with a displacement sensor for judging whether the lifting platform is higher or lower than the preset height.

5. The crusher frame assembly sand mold knock out machine of claim 4, wherein, The guide rails are provided with limiters at both ends, for limiting the movement range of the upper and lower clamping assemblies and avoiding derailment.

6. The crusher frame assembly sand mold knock out machine of claim 5, wherein, Pressure sensors are arranged at the push plate and the clamping jaws, for detecting the clamping force.

7. The casting sand mold turnover and demolding machine for crusher frame assembly according to any one of claims 1 to 6, characterized in that, Two or more than two lifting platforms are arranged side by side, a pair of tracks are arranged outside the lifting platforms, the bottoms of the pair of support plates are slidingly arranged on the corresponding tracks respectively, limit devices are arranged on the tracks corresponding to each lifting platform, so that the pair of support plates can reach the side surfaces of the lifting platforms in sequence along the tracks, and the overturning of the bottom mould structure and the sand box at the current position can be completed in cooperation with the corresponding lifting platforms.

8. The crusher frame assembly casting sand mold knock out machine of claim 7, wherein, The limit device is a proximity switch or a photoelectric sensor.

9. The crusher frame assembly sand mold knock out machine of claim 8, wherein, A reinforcing structure is further arranged between the support plate and the rotating plate.

10. The crusher frame assembly sand mold knock out machine of claim 9, wherein, The reinforcing structure comprises a rotating groove arranged on the inner side of the support plate and taking the driving shaft of the rotary motor as the center, and a rotating ring arranged on the outer side of the rotating plate and corresponding to the rotating groove, also taking the driving shaft of the rotary motor as the center, the inner wall of the rotating groove is uniformly provided with balls, and the rotating ring is embedded in the rotating groove, and the outer wall of the rotating ring is in contact with the balls.

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