Automobile rear shell mold convenient to position

Abstract

The automobile rear shell mold convenient to position comprises a base, a fixing device and an opening and closing device, a fixed mold body is fixedly connected to the middle of the upper surface of the base, positioning rods are fixedly connected to the four corners of the upper surface of the fixed mold body, and a movable mold body is slidably connected to the upper portion of the fixed mold body; first limiting grooves are formed in the four corners of the lower surface of the movable mold, a pouring opening is formed in the middle of the top end of the movable mold, a fixing device is fixedly connected to the right end of the upper surface of the base, a supporting column is fixedly connected to the left side of the upper surface of the base, and a protection pad is fixedly connected to the right side of the upper end of the supporting column. A storage box is fixedly connected to the left end of the upper surface of the base, a second automatic telescopic rod is fixedly connected to the middle of the interior of the storage box, and second limiting grooves are formed in the left side and the right side of the interior of the storage box correspondingly. According to the automobile rear shell mold convenient to position, the mold closing position is convenient to position, demolding is convenient, and the movable mold and the fixed mold are convenient to tightly connect.

Description

Technical Field

[0001] The utility model relates to the technical field related to die-casting manufacturing of automobile parts, in particular to an automobile rear shell mold which is easy to position. Background Art

[0002] Die casting technology is a metal casting process. Compared with the traditional casting process, the characteristic of die casting technology is to apply pressure to the molten metal inside the mold. Its advantages are high production efficiency, simple process, high casting tolerance grade, good surface roughness, high mechanical strength, and can save a lot of machining processes and equipment, saving raw materials, and automobile rear shell.

[0003] The Chinese utility model patent with reference authorization announcement number CN218656752U discloses a die-casting mold for a rear shock absorber housing of an automobile, which relates to the technical field related to die-casting manufacturing of automobile parts. A fixed mold is arranged on the top of the movable mold, and two symmetrical cavities are separated by a partition at the center of the top of the movable mold; a fixed mold core is installed at the center of the bottom of the fixed mold, and a main runner is arranged at the center of the fixed mold core. Side runners connected to the two cavities are arranged on both sides of the main runner, and the top of the main runner is connected to the tail end of the pressure tube inside the fixed mold, and the top of the pressure tube is fixed to the inside of the gate opened at the top of the fixed mold through a gate sleeve; a centralized exhaust block is installed on the fixed mold core at the center of the cavity corresponding to the mold, and a first exhaust groove connected to the centralized exhaust block is symmetrically opened on the fixed mold core, and the first exhaust groove is connected to the first exhaust hole on the side of the fixed mold through the first exhaust channel. The utility model cavity is symmetrically designed on both sides of the top of the movable mold, and is cast synchronously after diversion through the main runner, which greatly improves the production capacity of the product process and improves production efficiency;

[0004] However, the prior art has the problem that the position of the Dongmu and the fixed mold is easily offset when the mold is closed, which is not convenient for positioning the mold closing position, and the rear shell of the automobile is not convenient for demolding after the mold die-casting is completed, and it is not convenient to make the movable mold and the fixed mold tightly connected when the movable mold and the fixed mold are closed;

[0005] For this reason, we propose a car rear housing mold that is easy to position to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a car rear body mold that is easy to position, so as to solve the problems in the prior art proposed in the above background technology that the position of the rear mold is easily offset when the mold is closed with the fixed mold, which is inconvenient to locate the closing position, and the rear body of the car is not easy to demold after the mold is die-casting is completed, and it is not easy to make the movable mold and the fixed mold tightly connected when the movable mold and the fixed mold are closed.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold for a rear housing of an automobile that is easy to position, comprising a base, a fixing device and an opening and closing device, a fixed mold is fixedly connected to the middle of the upper surface of the base, and positioning rods are fixedly connected to the four corners of the upper surface of the fixed mold, and a movable mold is slidably connected to the upper part of the fixed mold, a first limiting groove is provided at the four corners of the lower surface of the movable mold, and a pouring port is provided at the middle of the top of the movable mold, a fixing device is fixedly connected to the right end of the upper surface of the base, and a pillar is fixedly connected to the left side of the upper surface of the base, and a protective pad is fixedly connected to the right side of the upper end of the pillar;

[0008] A storage box is fixedly connected to the left end of the upper surface of the base, and a second automatic telescopic rod is fixedly connected to the middle part of the storage box, and second limiting grooves are provided on both left and right sides of the storage box, and a moving rod is slidably connected to the inside of the second limiting groove, the top of the moving rod is fixedly connected to a top plate, and the front and rear sides of the upper surface of the top plate are fixedly connected to an opening and closing device, a fixed plate is fixedly connected to the middle part of the right end of the upper surface of the top plate, and a manual telescopic rod is rotatably connected to the inner side of the fixed plate, and the front and rear sides of the output end of the manual telescopic rod are rotatably connected to a connecting plate.

[0009] Preferably, the positioning rod is slidably connected to the first limiting groove.

[0010] Preferably, the fixing device is composed of a first motor, a first automatic telescopic rod, a pressure plate, a receiving plate and a locking plate. The output shaft of the first motor is fixedly connected to the first automatic telescopic rod, and the output end of the first automatic telescopic rod is fixedly connected to the pressure plate. The left upper end of the first automatic telescopic rod is equipped with a receiving plate, and the upper part of the receiving plate is locked and connected with a locking plate.

[0011] Preferably, the left side of the receiving plate is fixedly connected to the top right side of the fixed mold.

[0012] Preferably, the output shaft of the second automatic telescopic rod is fixedly connected to the lower surface of the top plate.

[0013] Preferably, the opening and closing device is composed of a second motor, a first gear, a connecting rod, a second gear, a rotating rod and a fixed block, the output shaft of the second motor is fixedly connected to the first gear, and the middle part of the rear side of the first gear is fixedly connected to the connecting rod, the top of the first gear is meshingly connected to the second gear, and the outer side of the second gear is fixedly connected to the rotating rod, and the fixed block is rotatably connected to the inner side of the top end of the rotating rod.

[0014] Preferably, the inner side of the fixed block is fixedly connected to the front and rear sides of the left end of the movable mold.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the automobile rear housing mold which is easy to position is easy to position the mold closing position, easy to demould, and easy to make the movable mold and the fixed mold tightly connected;

[0016] 1. When the movable mold is clamped with the fixed mold, the movable mold rotates to the top of the fixed mold and is moved downward by the second automatic telescopic rod. When moving downward, the first limiting grooves opened at the four corners of the lower surface of the movable mold are sleeved on the positioning rod, and the movable mold moves downward along the positioning rod to facilitate the positioning of the clamping position;

[0017] 2. The output end of the second automatic telescopic rod moves the top plate up and down, and the top plate moves the opening and closing device and the movable mold away from the fixed mold. The opening and closing device rotates the movable mold, and the pillar blocks the rotating movable mold to prevent the movable mold from rotating excessively, which is convenient for demoulding;

[0018] 3. The receiving plate is fixedly connected to the top right side of the fixed mold, and the clamping plate is fixedly connected to the bottom right side of the movable mold. When the movable mold and the fixed mold are closed, the clamping plate and the receiving plate are clamped and connected, the output end of the first automatic telescopic rod is retracted, and the bottom end of the pressing plate presses the clamping plate and the receiving plate to fit more closely, so as to facilitate the tight connection between the movable mold and the fixed mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0020] Figure 2 It is a side view cutaway structural schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the exploded perspective structure of the fixing device of the utility model;

[0022] Figure 4 It is a perspective structural diagram of the opening and closing device of the utility model.

[0023] In the figure: 1. base; 2. fixed mold; 3. positioning rod; 4. movable mold; 5. first limiting groove; 6. pouring port; 7. fixing device; 701. first motor; 702. first automatic telescopic rod; 703. pressure plate; 704. receiving plate; 705. locking plate; 8. pillar; 9. protection pad; 10. storage box; 11. second automatic telescopic rod; 12. second limiting groove; 13. moving rod; 14. top plate; 15. opening and closing device; 1501. second motor; 1502. first gear; 1503. connecting rod; 1504. second gear; 1505. rotating rod; 1506. fixing block; 16. fixing plate; 17. manual telescopic rod; 18. connecting plate. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4 The utility model provides a technical solution: a rear housing mold for an automobile that is easy to position, comprising a base 1, a fixed mold 2, a positioning rod 3, a movable mold 4, a first limiting groove 5, a pouring port 6, a fixing device 7, a first motor 701, a first automatic telescopic rod 702, a pressing plate 703, a receiving plate 704, a clamping plate 705, a pillar 8, a protective pad 9, a storage box 10, a second automatic telescopic rod 11, a second limiting groove 12, a moving rod 13, a top plate 14, an opening and closing device 15, a second motor 1501, a first gear 1502, a connecting rod 1503, a second gear 1504, a rotating rod 1505, a fixing block 1506, a fixing plate 16, a manual telescopic rod 17 and a connecting plate 18.

[0026] A fixed mold 2 is fixedly connected to the middle of the upper surface of the base 1, and the four corners of the upper surface of the fixed mold 2 are fixedly connected to the positioning rod 3. A movable mold 4 is installed above the fixed mold 2, and the four corners of the lower surface of the movable mold 4 are provided with a first limiting groove 5. When the movable mold 4 is molded with the fixed mold 2, the first limiting groove 5 is sleeved on the positioning rod 3, so that the fitting position of the movable mold 4 and the fixed mold 2 is aligned. A pouring port 6 is provided in the middle of the top of the movable mold 4. A fixing device 7 is fixedly connected to the right end of the upper surface of the base 1. The fixing device 7 is driven by a first motor 701, The first automatic telescopic rod 702, the pressure plate 703, the receiving plate 704 and the locking plate 705 are combined. The first motor 701 is fixedly connected to the right end of the upper surface of the base 1. The output shaft of the first motor 701 is fixedly connected to the first automatic telescopic rod 702. The bottom surface of the first automatic telescopic rod 702 is in contact with the upper surface of the base 1. The output end of the first automatic telescopic rod 702 is fixedly connected to the pressure plate 703. The receiving plate 704 is installed on the upper left end of the first automatic telescopic rod 702. The left side of 704 is fixedly connected to the right top of the fixed mold 2, and the upper part of the receiving plate 704 is connected with a snap-fit ​​plate 705. The left side of the snap-fit ​​plate 705 is fixedly connected to the right bottom end of the movable mold 4. A notch is arranged on the right side of the top of the snap-fit ​​plate 705. The notch at the top of the snap-fit ​​plate 705 fits with the left bottom end of the pressing plate 703. The output shaft of the first automatic telescopic rod 702 moves the pressing plate 703 up and down. After the movable mold 4 is molded with the fixed mold 2, the receiving plate 704 is snap-fitted with the snap-fit ​​plate 705. The first The output end of the automatic telescopic rod 702 moves the pressing plate 703 downward, so that the pressing plate 703 presses the clamping plate 705, so that the clamping plate 705 brings the movable mold 4 to fit closely with the fixed mold 2. When the die-casting is completed and before demoulding is required, the output shaft of the first automatic telescopic rod 702 moves the pressing plate 703 upward, so that the pressing plate 703 is separated from the clamping plate 705, and the output shaft of the first motor 701 drives the first automatic telescopic rod 702 and the pressing plate 703 to rotate, so as to prevent the left end of the pressing plate 703 from blocking the movable mold 4 from demoulding;

[0027] A support column 8 is fixedly connected to the left end of the upper surface of the base 1, and a protective pad 9 is fixedly connected to the right side of the top of the support column 8. When the movable mold 4 is demoulded, the movable mold 4 is rotated by the opening and closing device 15. The support column 8 and the protective pad 9 block the left side of the movable mold 4 to prevent the movable mold 4 from rotating too much, which is used to protect the movable mold 4. A storage box 10 is fixedly connected to the left end of the middle piece on the upper surface of the base 1, and a second automatic telescopic rod 11 is fixedly connected to the middle part of the storage box 10. Second limiting grooves 12 are provided on both sides of the interior of the storage box 10. A moving rod 13 is slidably connected to the inside of the second limiting groove 12. The top of the moving rod 13 is fixedly connected to a top plate 14, and the output end of the second automatic telescopic rod 11 is fixedly connected to the top plate 14. The output end of the second automatic telescopic rod 11 carries the top plate 14 moves up and down, and the moving rod 13 is restricted in the second limiting groove 12, which increases the stability of the top plate 14 when moving. The front and rear ends of the upper surface of the top plate 14 are fixedly connected with an opening and closing device 15, and the opening and closing device 15 is composed of a second motor 1501, a first gear 1502, a connecting rod 1503, a second gear 1504, a rotating rod 1505 and a fixed block 1506. The second motor 1501 is fixedly connected to the left end of the front side of the upper surface of the top plate 14, and the output shaft of the second motor 1501 is fixedly connected to the first gear 1502, and the connecting rod 1503 is fixedly connected to the middle part of the rear side of the first gear 1502. The upper part of the first gear 1502 is meshed with the second gear 1504, and the outer side of the second gear 1504 is fixedly connected to the rotating rod 150 5. The top inner side of the rotating rod 1505 is rotatably connected with a fixed block 1506. The front and rear sides of the top plate 14 are fixedly connected with a group of first gears 1502, second gears 1504, rotating rods 1505 and fixed blocks 1506. The first gears 1502 on the front and rear sides are fixedly connected by connecting rods 1503. The inner side of the fixed block 1506 is fixedly connected with the left ends of the front and rear sides of the movable mold 4. The output shaft of the second motor 1501 rotates with the first gear 1502. The second gear 1504 rotates on the first gear 1502 meshing with it. The rotating rod 1505 rotates with the movable mold 4, so that the movable mold 4 is separated from the fixed mold 2. The middle part of the upper right side of the top plate 14 is fixedly connected with a fixed plate 16. The inner side of the fixed plate 16 is rotatably connected with a manual The telescopic rod 17, the output end of the manual telescopic rod 17 is rotatably connected to the connecting plate 18, the right side of the connecting plate 18 is fixedly connected to the middle part of the left side of the movable mold 4, the manual telescopic rod 17 limits the movable mold 4 and the opening and closing device 15 to prevent the movable mold 4 from being disconnected when being rotated by the opening and closing device 15, the outer side of the first gear 1502 is rotatably connected to the bracket, the bottom end of the bracket is fixedly connected to the upper surface of the top plate 14, the outer side of the bracket is rotatably connected to the rod and rotatably connected to the second gear 1504, the bracket and the rod are used to support the first gear 1502 and the second gear 1504 to prevent the two from being disconnected, the above completes a series of operations of the automobile rear shell mold that is easy to position, and the content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0028] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mold for a rear housing of an automobile that is easy to position, comprising a base (1), a fixing device (7) and an opening and closing device (15), characterized in that: A fixed mold (2) is fixedly connected to the middle of the upper surface of the base (1), and positioning rods (3) are fixedly connected to the four corners of the upper surface of the fixed mold (2), and a movable mold (4) is slidably connected to the upper side of the fixed mold (2), and first limiting grooves (5) are provided at the four corners of the lower surface of the movable mold (4), and a pouring port (6) is provided at the middle of the top of the movable mold (4), a fixing device (7) is fixedly connected to the right end of the upper surface of the base (1), and a pillar (8) is fixedly connected to the left side of the upper surface of the base (1), and a protective pad (9) is fixedly connected to the right side of the upper end of the pillar (8); A storage box (10) is fixedly connected to the left end of the upper surface of the base (1), and a second automatic telescopic rod (11) is fixedly connected to the middle of the storage box (10), and second limiting grooves (12) are provided on both left and right sides of the storage box (10), and a moving rod (13) is slidably connected to the inside of the second limiting groove (12), the top of the moving rod (13) is fixedly connected to a top plate (14), and the front and rear sides of the upper surface of the top plate (14) are fixedly connected to an opening and closing device (15), the middle of the right end of the upper surface of the top plate (14) is fixedly connected to a fixed plate (16), and the inner side of the fixed plate (16) is rotatably connected to a manual telescopic rod (17), and the front and rear sides of the output end of the manual telescopic rod (17) are rotatably connected to a connecting plate (18).

2. The automobile rear housing mold that is easy to position according to claim 1, characterized in that: The positioning rod (3) is slidably connected to the first limiting groove (5).

3. The automobile rear housing mold that is easy to position according to claim 1, characterized in that: The fixing device (7) is composed of a first motor (701), a first automatic telescopic rod (702), a pressing plate (703), a receiving plate (704) and a snap-fit ​​plate (705); the output shaft of the first motor (701) is fixedly connected to the first automatic telescopic rod (702), and the output end of the first automatic telescopic rod (702) is fixedly connected to the pressing plate (703); the left upper end of the first automatic telescopic rod (702) is provided with a receiving plate (704), and the upper part of the receiving plate (704) is snap-fitted with the snap-fit ​​plate (705).

4. The automobile rear housing mold that is easy to position according to claim 3, characterized in that: The left side of the receiving plate (704) is fixedly connected to the top right side of the fixed mold (2).

5. The automobile rear housing mold that is easy to position according to claim 1, characterized in that: The output shaft of the second automatic telescopic rod (11) is fixedly connected to the lower surface of the top plate (14).

6. The automobile rear housing mold that is easy to position according to claim 1, characterized in that: The opening and closing device (15) is composed of a second motor (1501), a first gear (1502), a connecting rod (1503), a second gear (1504), a rotating rod (1505) and a fixed block (1506); the output shaft of the second motor (1501) is fixedly connected to the first gear (1502), and the middle part of the rear side of the first gear (1502) is fixedly connected to the connecting rod (1503); the upper part of the first gear (1502) is meshingly connected to the second gear (1504), and the outer side of the second gear (1504) is fixedly connected to the rotating rod (1505), and the inner side of the top end of the rotating rod (1505) is rotatably connected to the fixed block (1506).

7. The automobile rear housing mold that is easy to position according to claim 6, characterized in that: The inner side of the fixed block (1506) is fixedly connected to the front and rear sides of the left end of the movable mold (4).

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