High-precision upper and lower box body closing guide mechanism

Abstract

The utility model relates to the technical field of metal casting equipment, in particular to a high-precision guide mechanism for closing an upper box body and a lower box body, which is characterized in that the lower box body is fixedly arranged on a rack, the upper box body is arranged above the lower box body, lifting slide rails are erected on two sides of the rack, a lifting seat is arranged on the lifting slide rails in a sliding manner, and the upper box body is matched with the lifting seat; the lifting frame is erected in the rack, the upper end of the lifting frame is fixedly arranged on the lifting seat, the connecting frame is fixedly arranged on the upper box body, the lifting hydraulic rod is fixedly arranged on the rack, and the shaft end of the lifting hydraulic rod is matched with the connecting frame; by arranging a two-section type split driving guide structure, high-speed moving tight connection of a first thread and low-speed precision fine adjustment of a second county during moving buckling of the upper box body are achieved, and therefore high-precision butt joint guide movement between the upper box body and the lower box body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting equipment, and particularly relates to a high-precision upper and lower box body alignment guiding mechanism. Background Art

[0002] Casting is a process that uses a mold to shape, then pours molten metal liquid and forms a casting after cooling. It has the advantages of facilitating mass production and low production cost. However, there are also certain drawbacks in casting production. When there is a certain error in the clamping between the upper and lower molds, it will cause misalignment on the surface of the casting and even affect the integrity of the casting. In this regard, a corresponding high-precision guiding and driving structure needs to be set for the clamping and docking between the upper box body and the lower box body during casting processing. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a high-precision upper and lower box body alignment guiding mechanism for the defects and deficiencies of the prior art. By setting a two-stage split driving and guiding structure, it realizes the high-speed movement and connection of the first thread when the upper box body moves and clamps, and the slow-speed precision fine-tuning of the second thread, so as to realize the high-precision docking and guiding movement between the upper box body and the lower box body.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It includes a frame, an upper box body, and a lower box body. The lower box body is fixedly arranged on the frame, and the upper box body is arranged above the lower box body. It also includes:

[0006] Lifting slide rails, which are arranged on both sides of the frame;

[0007] Lifting seats, which are slidably arranged on the lifting slide rails, and the upper box body is cooperatively arranged with the lifting seats;

[0008] Lifting frames, which are arranged inside the frame, and the upper ends of the lifting frames are fixedly arranged on the lifting seats;

[0009] Connection frames, which are fixedly arranged on the upper box body;

[0010] Lifting hydraulic rods, which are fixedly arranged on the frame, and the shaft ends of the lifting hydraulic rods are cooperatively arranged with the connection frames.

[0011] Preferably, a lifting drive motor is arranged inside the frame. A lead screw is fixedly arranged on the output shaft of the lifting drive motor, and the upper end of the lead screw is rotatably arranged on the lower side wall of the lower box body through a bearing. The lead screw is threadedly connected and passes through the lifting frame.

[0012] Preferably, a guide rod is fixedly arranged on the lifting seat, a support seat is movably sleeved on the guide rod, a bearing seat is fixedly arranged on the side wall of the upper box body, and the bearing seat is movably abutted against the upper surface of the support seat. An electromagnetic telescopic pin rod is fixedly arranged on the lifting seat, and the shaft end of the electromagnetic telescopic pin rod is movably abutted against the upper surface of the bearing seat.

[0013] Preferably, a spring damper is fixedly arranged on the lifting seat, and the shaft end of the spring damper is fixedly arranged on the support seat.

[0014] Preferably, a tooth seat is fixedly arranged at the upper end of the connecting frame, a mounting seat is fixedly arranged at the shaft end of the lifting hydraulic rod, and teeth are symmetrically arranged on the left and right sides of the mounting seat through rotating shafts, and the teeth on the left and right sides are clamped on the tooth seat.

[0015] Preferably, straight gears are fixedly arranged at the shaft ends of the two teeth, and the two straight gears are meshed with each other. A closing and opening driving motor is fixedly arranged on the mounting seat, and the output shaft of the closing and opening driving motor is connected with the shaft end of one of the teeth through a bevel gear set.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] By setting a two-stage split driving and guiding structure, the high-speed movement and connection of the first thread are realized when the upper box body moves and is buckled, and the slow and precise fine adjustment of the second thread is realized, so as to realize the high-precision docking and guiding movement between the upper box body and the lower box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the utility model.

[0019] Figure 2 is Figure 1 the left rear view of

[0020] Figure 3 is a schematic structural diagram of the upper box body in the utility model.

[0021] Figure 4 is a schematic structural diagram of the lifting seat and the support seat in the utility model.

[0022] Description of the reference numerals:

[0023] Frame 1, upper box body 2, lower box body 3, lifting slide rail 4, lifting seat 5, lifting frame 6, connecting frame 7, lifting hydraulic rod 8, lifting driving motor 9, lead screw 10, guide rod 11, support seat 12, bearing seat 13, electromagnetic telescopic pin rod 14, spring damper 15, tooth seat 16, mounting seat 17, tooth 18, straight gear 19, closing and opening driving motor 20. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The technical solutions in the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Only the preferred embodiments in the description are taken as examples. All other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present utility model.

[0025] As Figures 1-4 shown, the following technical solutions are adopted in this specific embodiment:

[0026] It includes a frame 1, an upper box body 2, and a lower box body 3. The lower box body 3 is fixedly arranged on the frame 1, and the upper box body 2 is arranged above the lower box body 3. It further includes:

[0027] Lifting slide rails 4, which are arranged on both sides of the frame 1;

[0028] Lifting seats 5, which are slidably arranged on the lifting slide rails 4, and the upper box body 2 is cooperatively arranged with the lifting seats 5;

[0029] Lifting frames 6, which are arranged inside the frame 1, and the upper ends of the lifting frames 6 are fixedly arranged on the lifting seats 5;

[0030] Lifting drive motors 9, which are arranged below the lower box body 3;

[0031] Lead screws 10, which are fixedly arranged on the output shafts of the lifting drive motors 9, and the upper ends of the lead screws 10 are rotatably arranged on the lower box body 3 through bearings. The lead screws 10 are threadedly sleeved through the lifting frames 6;

[0032] Guide rods 11, which are fixedly arranged on the lifting seats 5;

[0033] Support seats 12, which are movably sleeved on the guide rods 11;

[0034] Load-bearing seats 13, which are fixedly arranged on the side walls of the upper box body 2, and the load-bearing seats 13 are movably abutted against the upper surfaces of the support seats 12;

[0035] Electromagnetic telescopic pin rods 14, which are fixedly arranged on the lifting seats 5, and the electromagnetic telescopic pin rods 14 are movably abutted against the upper surfaces of the load-bearing seats 13;

[0036] Spring dampers 15, which are fixedly arranged on the lifting seats 5, and the output shafts of the spring dampers 15 are fixedly arranged on the support seats 12;

[0037] Connecting frames 7, which are fixedly arranged on the upper box body 2;

[0038] A lifting hydraulic rod 8, wherein the lifting hydraulic rod 8 is fixedly arranged on the frame 1;

[0039] A mounting seat 17, wherein the mounting seat 17 is fixedly disposed on the output shaft of the lifting hydraulic rod 8;

[0040] Teeth 18, two teeth 18 are symmetrically mounted on the mounting seat 17 through a rotating shaft;

[0041] A tooth seat 16, wherein the tooth seat 16 is fixedly arranged at the upper end of the connecting rod, and teeth 18 on the left and right sides are arranged on the tooth seat 16;

[0042] A spur gear 19, wherein the spur gear 19 is fixedly arranged on the end shaft of the tooth 18;

[0043] The opening and closing drive motor 20 is fixedly arranged on the mounting seat 17, and the output shaft of the opening and closing drive motor 20 is connected to the end shaft of one of the teeth 18 through a bevel gear set.

[0044] When using the device, the two teeth 18 hold the clamping tooth seat 16 tightly, and the electromagnetic telescopic pin rod 14 is in a retracted state. The mounting seat 17 is pushed downward by the lifting hydraulic rod 8, thereby pushing the connecting frame 7 to move downward, thereby pushing the upper box body 2 to move downward, so as to achieve the buckling of the upper box body 2 and the lower box body 3. The upper box body 2 moves downward so that the bearing seat 13 abuts against the support seat 12 and pushes the support seat 12 downward. When the bearing seat 13 moves downward below the electromagnetic telescopic pin rod 14, the electromagnetic telescopic pin rod 14 extends so that the bearing seat 13 is placed between the support seat 12 and the electromagnetic telescopic pin rod 14, and then the motor 2 is opened and closed to drive the motor 2. 0 drives one of the teeth 18 to rotate, and drives the teeth 18 on both sides to open through two meshing spur gears 19, thereby loosening the tooth seat 16, and then the mounting seat 17 is moved upward to reset, so that the upper box body 2 is clamped between the support seat 12 and the electromagnetic telescopic pin rod 14 through the load-bearing seat 13, and then the lifting drive motor 9 drives the screw rod 10 to rotate, and the screw rod 10 drives the lifting frame 6 to descend, so that the lifting frame 6 drives the lifting seat 5 to slide downward on the lifting slide rail 4, so that the lifting seat 5 drives the upper box body 2 to move downward through the load-bearing seat 13, and the buckling between the upper box body 2 and the lower box body 3 is realized.

[0045] Compared with the prior art, the beneficial effects of the utility model are:

[0046] The device sets a two-stage moving drive structure for the upper box body 2, and realizes the downward movement of the upper box body 2 and the engagement with the lower box body 3 through the two-stage driving of the lifting hydraulic rod 8 and the screw rod 10. The lifting hydraulic rod 8 drives the upper box body 2 to move downward quickly, and the screw rod 10 drives the upper box body 2 to move in a fine-tuned manner, thereby realizing the precise engagement and docking between the upper box body 2 and the lower box body 3.

[0047] For those skilled in the art, they can modify the technical solutions recorded in the foregoing embodiments and make equivalent replacements for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-precision upper and lower box closing guide mechanism, comprising a frame (1), an upper box (2), and a lower box (3), wherein the lower box (3) is fixedly arranged on the frame (1), and the upper box (2) is arranged above the lower box (3); characterized in that: It also contains: Lifting rails (4), the lifting rails (4) being mounted on both sides of the frame (1); A lifting seat (5), wherein the lifting seat (5) is slidably arranged on the lifting rail (4), and the upper box body (2) and the lifting seat (5) are arranged in cooperation; A lifting frame (6), wherein the lifting frame (6) is mounted inside the frame (1), and the upper end of the lifting frame (6) is fixedly mounted on the lifting seat (5); A connecting frame (7), wherein the connecting frame (7) is fixedly arranged on the upper box body (2); A lifting hydraulic rod (8), wherein the lifting hydraulic rod (8) is fixedly arranged on the frame (1), and the shaft end of the lifting hydraulic rod (8) is arranged in cooperation with the connecting frame (7).

2. A high-precision upper and lower box closing guide mechanism according to claim 1, characterized in that: A lifting drive motor (9) is arranged inside the frame (1), a screw rod (10) is fixedly arranged on the output shaft of the lifting drive motor (9), and the upper end of the screw rod (10) is screwed on the lower side wall of the lower box body (3) through a bearing, and the screw rod (10) is screwed and inserted into the lifting frame (6) through a thread.

3. A high-precision upper and lower box closing guide mechanism according to claim 2, characterized in that: The lifting seat (5) is fixedly provided with a guide rod (11), a support seat (12) is movably sleeved on the guide rod (11), a load-bearing seat (13) is fixedly provided on the side wall of the upper box body (2), and the load-bearing seat (13) is movably supported on the upper surface of the support seat (12), and an electromagnetic telescopic pin rod (14) is fixedly provided on the lifting seat (5), and the shaft end of the electromagnetic telescopic pin rod (14) is movably supported on the upper surface of the load-bearing seat (13).

4. A high-precision upper and lower box closing guide mechanism according to claim 3, characterized in that: A spring damper (15) is fixedly arranged on the lifting seat (5), and the shaft end of the spring damper (15) is fixedly arranged on the supporting seat (12).

5. A high-precision upper and lower box closing guide mechanism according to claim 4, characterized in that: A tooth seat (16) is fixedly provided at the upper end of the connecting frame (7), a mounting seat (17) is fixedly provided at the shaft end of the lifting hydraulic rod (8), and teeth (18) are symmetrically provided on the mounting seat (17) through a rotating shaft, and the teeth (18) on the left and right sides are held on the tooth seat (16).

6. A high-precision upper and lower box closing guide mechanism according to claim 5, characterized in that: A spur gear (19) is fixedly arranged on the shaft ends of the two teeth (18), and the two spur gears (19) are meshed with each other. An opening and closing drive motor (20) is fixedly arranged on the mounting seat (17), and the output shaft of the opening and closing drive motor (20) is connected to the shaft end of one of the teeth (18) through a bevel gear set.

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