Bullet train small table plate casting mold convenient to open

Abstract

The utility model discloses a casting mold convenient to open for a small table board of a bullet train, which belongs to the technical field of mold opening of casting molds and comprises a base, a lower mold mounted on the upper surface of the base, an upper mold butted with the lower mold and a pouring pipe mounted on the upper mold. Guide frames are symmetrically and fixedly connected to the edge of the upper surface of the base, dovetail sliding grooves are formed in the side walls, corresponding to the lower die, of the guide frames, dovetail sliding blocks are slidably connected to the inner sides of the dovetail sliding grooves, a connecting base is connected between the dovetail sliding blocks, and a mounting frame is fixedly connected to the lower surface of the connecting base. Guide holes are symmetrically formed in the side wall of the mounting frame, the inner side of the mounting frame is rotationally connected with a double-thread screw, manual operation is not needed, workers are prevented from being burnt in the operation process, and mold opening operation is very convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry mould opening technical field more specifically, relate to a kind of casting mould of motor car small table board for easy opening. BACKGROUND

[0002] Motor car small table board is a kind of facility on motor train unit train, mainly used to facilitate passenger to place articles, such as meal, water cup, computer and books etc., in recent years, motor car small table board accessory manufacturing plant is also developing rapidly, in the processing of motor car accessory, sand mould is needed to be used to cast motor car accessory.

[0003] Patent announcement No. CN218310696U discloses a kind of sand mould casting mould for easy opening, including bearing plate, the bottom surface of bearing plate is fixedly connected with a group of support legs, the bottom end of each support leg is installed with bottom plate, the upper surface of bearing plate is installed with lower sand box, the upper surface of lower sand box is placed with upper sand box, a group of guide assemblies are installed between lower sand box and upper sand box, the upper surface of upper sand box is installed with two lifting lugs, the upper surface of bearing plate is installed with mould opening assembly. The utility model can be opened by the mould opening assembly, so that the device can be easily opened, without manual opening, to ensure the quality of manufactured workpieces.

[0004] However, when the device needs to be opened in patent announcement No. CN218310696U, two hooks are first hung on the outer surface of two lifting lugs, so manual operation of the hooks is still needed during the opening process, and the temperature of the mould is too high during opening, which can easily burn the workers, so there is still room for improvement. Therefore, we propose a kind of casting mould of motor car small table board for easy opening to solve the above problems. UTILITY MODEL CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the utility model aims to provide a kind of casting mould of motor car small table board for easy opening, which does not need manual operation, avoids worker's burn during operation, and is very convenient to operate.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] A kind of casting mould of motor car small table board for easy opening, including base, lower mould installed on the upper surface of the base, upper mould corresponding to the lower mould and pouring tube installed on the upper mould, the upper surface edge part of the base is fixedly connected with guide frame, the side wall of the lower mould is opened with dovetail sliding groove corresponding to the guide frame;

[0010] The inner side of the dovetail sliding groove is connected with a dovetail sliding block, the dovetail sliding blocks are connected with a connecting seat, the lower surface of the connecting seat is fixedly connected with a mounting frame, the side wall of the mounting frame is symmetrically provided with a guide hole, a double-head screw rod is rotatably connected to the inner side of the mounting frame, a servo motor whose power output end is in transmission connection with the double-head screw rod is mounted on the end of the mounting frame, a movable seat is symmetrically screwed on the double-head screw rod, the side wall of the movable seat is fixedly connected with a guide pillar head in sliding connection with the guide hole, and a clamping jaw in a bent structure is welded to the bottom end of the movable seat.

[0011] The top end of the guide frame is mounted with a double-acting cylinder through a support, and the movable end of the double-acting cylinder is connected with the connecting seat.

[0012] The top of the upper die is symmetrically mounted with a clamping lug in clamping connection with the clamping jaw.

[0013] Further, the inner side of the dovetail sliding groove is fixedly connected with a limiting stopper in abutment with the bottom end of the dovetail sliding block.

[0014] Further, the inner side of the dovetail sliding groove is smeared with lubricating grease.

[0015] Further, the two ends of the double-head screw rod are provided in a smooth surface structure, and the end of the double-head screw rod is connected with the end of the mounting frame through a bearing.

[0016] Further, the end of the double-head screw rod close to the servo motor penetrates the mounting frame, and the penetrating end of the double-head screw rod is connected with the power output end of the servo motor through a shaft coupling.

[0017] Further, the bent end of the clamping jaw is welded with a reinforcing rib in a right triangle structure.

[0018] Further, the clamping lug is provided with a clamping hole, and the clamping hole is in clearance fit with the bottom end of the clamping jaw.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] (1) The movable end of the double-acting cylinder is elongated, the dovetail sliding blocks arranged at the two ends of the connecting seat cooperate with the dovetail sliding grooves arranged on the guide frame to slide downward, until the clamping jaw corresponds to the clamping lug, the servo motor drives the double-head screw rod to rotate clockwise, the guide pillar head cooperates with the guide hole to slide, so that the movable seats move towards each other, until the clamping jaw is clamped with the clamping lug, and finally the movable end of the double-acting cylinder is shortened to lift the upper die to complete the mold opening, without manual operation, avoiding burns during operation, and the operation is very convenient.

[0022] (2) this scheme, by dovetail slider in the process of moving down and limit block after the resistance, the pawl and the carding ear on the carding hole corresponding, thereby facilitating the completion of the butt joint between the pawl and the carding ear. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 is the guide frame structure schematic diagram of the utility model;

[0025] Figure 3 is the mounting bracket structure schematic diagram of the utility model;

[0026] Figure 4 is the carding ear structure schematic diagram of the utility model.

[0027] Mark explanation in the drawing:

[0028] 1, base, 2, lower die, 3, upper die, 4, pouring pipe, 5, guide frame, 6, dovetail sliding groove, 7, dovetail slider, 8, connecting seat, 9, mounting bracket, 10, double head screw, 11, servo motor, 12, movable seat, 13, guide column head, 14, pawl, 15, double-acting cylinder, 16, limit block, 17, carding ear, 18, guide hole. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0030] Embodiment:

[0031] Please refer to Figures 1-4 , a kind of small table board of motor car casting mould of die convenient to open, including base 1, lower die 2 being installed on the upper surface of base 1, upper die 3 and pouring pipe 4 being installed on upper die 3, the upper surface edge portion of base 1 is fixedly connected with guide frame 5, dovetail sliding groove 6 is set up in guide frame 5 corresponding to the side wall of lower die 2;

[0032] The inner side of the dovetail sliding groove 6 is slidably connected with a dovetail sliding block 7, the dovetail sliding blocks 7 are connected with a connecting seat 8, the lower surface of the connecting seat 8 is fixedly connected with a mounting rack 9, the side wall of the mounting rack 9 is symmetrically provided with a guide hole 18, the inner side of the mounting rack 9 is rotatably connected with a double-headed screw rod 10, the end of the mounting rack 9 is provided with a servo motor 11 whose power output end is drivingly connected with the double-headed screw rod 10, the double-headed screw rod 10 is symmetrically screwed with a movable seat 12, the side wall of the movable seat 12 is fixedly connected with a guide pillar head 13 which is slidably connected with the guide hole 18, and the bottom end of the movable seat 12 is welded with a clamping jaw 14 which is arranged in a bent structure.

[0033] The top end of the guide frame 5 is mounted with a double-acting cylinder 15 whose movable end is connected with the connecting seat 8 through a support;

[0034] The top of the upper die 3 is symmetrically provided with a clamping lug 17 which is clamped with the clamping jaw 14;

[0035] It should be noted that when the casting mold of the train small table plate is used, firstly, the pouring pipe 4 is used to add molten raw materials into the mold cavity of the lower die 2 and the upper die 3, and after cooling, the train small table plate is formed in the mold cavity, the double-acting cylinder 15 is connected with a pneumatic control device, the pneumatic control device is used to control the extension and retraction of the movable end of the double-acting cylinder 15, the servo motor 11 is connected with a control device, and the control device is used to set a suitable forward and reverse rotation program for the servo motor 11, the movable end of the double-acting cylinder 15 is elongated, the dovetail sliding blocks 7 arranged at both ends of the connecting seat 8 cooperate with the dovetail sliding grooves 6 arranged on the guide frame 5 to slide downward until the clamping jaw 14 corresponds to the clamping lug 17, the double-headed screw rod 10 is driven to rotate clockwise by the servo motor 11, the movable seat 12 is moved towards each other by the cooperation of the guide pillar head 13 and the guide hole 18, until the clamping jaw 14 is clamped with the clamping lug 17, and finally the upper die 3 is lifted up by the shortening of the movable end of the double-acting cylinder 15 to complete the mold opening, without manual operation, avoiding burns during operation, and the operation is very convenient.

[0036] As shown in Figure 2 , Figure 3 , the inner side of the dovetail sliding groove 6 is fixedly connected with a limiting block 16 which abuts against the bottom end of the dovetail sliding block 7, the clamping lug 17 is provided with a clamping hole, and the clamping hole is clearance-fitted with the bottom end of the clamping jaw 14;

[0037] It should be noted that after the dovetail sliding block 7 abuts against the limiting block 16 during downward movement, the clamping jaw 14 corresponds to the clamping hole arranged on the clamping lug 17, thereby facilitating the butt joint between the clamping jaw 14 and the clamping lug 17.

[0038] As shown in Figure 1 , the inner side of the dovetail sliding groove 6 is coated with lubricating grease;

[0039] Need to explain, the friction between the dovetail slider 7 and the dovetail slide 6 is reduced, thereby reducing the wear between the dovetail slider 7 and the dovetail slide 6.

[0040] As Figure 3 The two ends of the double-headed screw 10 are provided in a smooth structure, and the end of the double-headed screw 10 is connected to the end of the mounting frame 9 through a bearing, and the end of the double-headed screw 10 near the servo motor 11 penetrates the mounting frame 9, and the penetrating end of the double-headed screw 10 is connected to the power output end of the servo motor 11 through a shaft coupling.

[0041] Need to explain, the resistance of the double-headed screw 10 in the rotating process is reduced, and the rotation accuracy is ensured, and the power transmitted by the servo motor 11 can be normally transmitted to the double-headed screw 10.

[0042] As Figure 3 The bent end of the claw 14 is welded with a reinforcing rib provided in a right triangle structure.

[0043] Need to explain, the structural strength of the bent end of the claw 14 is improved.

[0044] In use: first, the pouring pipe 4 is used to add molten raw materials into the mold cavity of the lower mold 2 and the upper mold 3, and after cooling, the train small table plate is formed in the mold cavity, the double-acting cylinder 15 is connected with the pneumatic control device, and the pneumatic control device is used to control the extension and contraction of the movable end of the double-acting cylinder 15, the servo motor 11 is connected with the control device, and the control device is used to set a suitable forward and reverse rotation program for the servo motor 11, the extension of the movable end of the double-acting cylinder 15 makes the dovetail slider 7 provided at both ends of the connecting seat 8 slide downward in the dovetail slide groove 6 opened in the guide frame 5 until the claw 14 corresponds to the clamping ear 17, the clockwise rotation of the double-headed screw 10 driven by the servo motor 11 makes the movable seat 12 slide through the guide column head 13 and the guide hole 18, thereby moving towards each other, until the claw 14 is clamped with the clamping ear 17, and finally the upper mold 3 is lifted by the shortening of the movable end of the double-acting cylinder 15 to complete the mold opening.

[0045] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A cast mold of a train table convenient for mold opening, comprising a base (1), a lower mold (2) installed on the upper surface of the base (1), an upper mold (3) opposite to the lower mold (2), and a pouring pipe (4) installed on the upper mold (3), characterized in that: The upper surface edge part of the base (1) is symmetrically and fixedly connected with a guide frame (5), and dovetail sliding grooves (6) are formed in the side walls of the guide frame (5) corresponding to the lower mold (2); The inner side of the dovetail sliding groove (6) is slidably connected with a dovetail sliding block (7), the dovetail sliding blocks (7) are connected with a connecting seat (8), the lower surface of the connecting seat (8) is fixedly connected with a mounting frame (9), the side walls of the mounting frame (9) are symmetrically provided with guide holes (18), the inner side of the mounting frame (9) is rotatably connected with a double-head screw rod (10), the end of the mounting frame (9) is provided with a servo motor (11) whose power output end is in transmission connection with the double-head screw rod (10), the double-head screw rod (10) is symmetrically screwed with a movable seat (12), the side wall of the movable seat (12) is fixedly connected with a guide pillar head (13) which is in sliding connection with the guide hole (18), and the bottom end of the movable seat (12) is welded with a clamping jaw (14) which is arranged in a bent structure. The top end of the guide frame (5) is provided with a double-acting cylinder (15) whose movable end is connected with the connecting seat (8) through a support. The top of the upper mold (3) is symmetrically provided with a clamping lug (17) which is clamped with the clamping jaw (14).

2. The cast mold of the small table board of the bullet train according to claim 1, wherein: The inner side of the dovetail sliding groove (6) is fixedly connected with a limiting block (16) which abuts against the bottom end of the dovetail sliding block (7).

3. The cast mold of a small table board of a train convenient to open mold according to claim 1, characterized in that: The inner side of the dovetail sliding groove (6) is smeared with lubricating grease.

4. The cast mold of a small table board of a train convenient to open mold according to claim 1, wherein: Both ends of the double-head screw rod (10) are arranged in a smooth surface structure, and the end of the double-head screw rod (10) is connected with the end of the mounting frame (9) through a bearing.

5. The cast mold of a small table board of a train convenient to open mold according to claim 1, wherein: The end of the double-head screw rod (10) close to the servo motor (11) penetrates the mounting frame (9), and the penetrating end of the double-head screw rod (10) is connected with the power output end of the servo motor (11) through a shaft coupling.

6. The cast mold of a small table board of a train convenient to open mold according to claim 1, wherein: The bent end of the clamping jaw (14) is welded with a reinforcing rib which is arranged in a right triangle structure.

7. The cast mold of a small table board of a train convenient to open mold according to claim 1, wherein: The clamping lug (17) is provided with a clamping hole, and the clamping hole is in clearance fit with the bottom end of the clamping jaw (14).

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