Positioning device of car lamp shell injection mold

Abstract

The utility model discloses a positioning device of a car lamp shell injection mold, which comprises an operation table, support frames are respectively arranged at two ends of the upper end surface of the operation table, and a first servo motor is arranged in the operation table below the support frames. According to the positioning device for the automobile lamp shell injection mold, the movable block forms a limiting sliding structure in the supporting frame through the screw rods and the sliding rods under the action of the first servo motor, the two sets of screw rods form a linkage structure through the driving gear, the driven gear and the transmission belt, and therefore the injection mold and the positioning assembly are driven to ascend and descend through the servo motor; a clamping rod of the device and a fixing plate form a rotating structure through a rotating groove, and an output shaft and a fixing box form a rotating structure under the action of a second servo motor, so that the second servo motor drives the whole injection mold to slightly rotate; and therefore, the liquid raw material can be attached to the mold groove for filling.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp shell production, in particular to a positioning device for a vehicle lamp shell injection mold. Background Art

[0002] The headlight housing refers to the lamp on the vehicle. In order to prevent water mist from affecting the lighting of the car during the use of the headlight, the headlight housing is used to seal and protect the bulb. In the process of producing the headlight housing, the raw material in liquid state needs to be placed in the mold to cool and form, so the injection mold is used to process the raw material in liquid state.

[0003] During the use of the injection mold, the mold is limited by a positioning device, and the raw material in a liquid state is injected into the mold groove through the nozzle. However, during the use of the existing injection mold, the shape of some mold grooves is relatively complex, and the positioning device of the injection mold is fixed, so it is inconvenient to ensure that the raw material can be evenly filled in the mold groove. Therefore, a positioning device for the injection mold of the car lamp housing is proposed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning device for an injection mold of a vehicle lamp housing, so as to solve the problem that in the use of the existing injection mold proposed in the above background technology, the shapes of some mold grooves are relatively complex, and the positioning device of the injection mold is fixedly arranged, thereby making it inconvenient to ensure that the raw materials can be evenly filled in the mold groove.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for an injection mold of a headlight housing, comprising an operating table, wherein the upper end surface of the operating table is provided with support frames at both ends respectively, and a first servo motor is provided in the operating table below the support frame, one end of the output shaft of the first servo motor is connected to a screw rod through a coupling, and a driving gear is sleeved on the screw rod, a driven gear is correspondingly provided on one side of the driving gear, and a transmission belt is sleeved on the outer wall of the driving gear and the driven gear, and a screw rod is also inserted in the driven gear, and a sliding rod is correspondingly provided at the rear of the screw rod, and a movable block is inserted in the screw rod and the sliding rod;

[0006] The movable block is provided with fixed boxes on opposite surfaces, and an electric push rod is provided in the left fixed box, and a second servo motor is provided in the right fixed box. A telescopic arm is provided on the electric push rod, and the other end of the telescopic arm is connected to a fixed plate, and the fixed plate is inserted into a rotating groove on the clamping rod;

[0007] The other end of the locking rod is inserted into the connecting block, the second servo motor is provided with an output shaft, and the other end of the output shaft is also inserted into the connecting block, the locking rod and the output shaft are respectively provided with elastic limit blocks at the front and rear, and the connecting block is provided with limit holes at the front and rear respectively, and the elastic limit blocks are locked in the limit holes, the connecting block connected to the locking rod is connected to the left mold on the other side, and the connecting block connected to the output shaft is connected to the right mold on the other side, and the left mold and the right mold are respectively provided with nozzles on the top.

[0008] Preferably, the movable block forms a limited sliding structure in the support frame through screws and slide bars under the action of the first servo motor, and the two sets of screws form a linkage structure through driving gears, driven gears and transmission belts.

[0009] Preferably, the fixed plate forms a horizontal pushing structure with the operating table through a telescopic arm under the action of the electric push rod.

[0010] Preferably, the engaging rod forms a rotating structure with the fixing plate through the rotating groove, and the output shaft forms a rotating structure with the fixing box under the action of the second servo motor.

[0011] Preferably, the engaging rod and the output shaft are respectively engaged in the limiting hole through the elastic limiting block to form an elastic engaging limiting structure with the connecting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the movable block of the positioning device of the injection mold of the headlight housing forms a limited sliding structure in the support frame through screws and sliding rods under the action of the first servo motor, and the two sets of screws form a linkage structure through driving gears, driven gears, and transmission belts, so that the injection mold and the positioning assembly are driven to rise and fall by the servo motor, which facilitates the rotation of the injection mold. The engaging rod of the device forms a rotating structure with the fixed plate through the rotating groove, and the output shaft forms a rotating structure with the fixed box under the action of the second servo motor, so that the injection mold as a whole is driven by the second servo motor to rotate slightly, thereby ensuring that the liquid raw material can fit into the mold groove for filling. The engaging rod and the output shaft of the device are respectively engaged in the limiting hole through the elastic limiting block and form an elastic engaging limiting structure with the connecting block, thereby ensuring that the device can position different injection molds. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a positioning device for an injection mold of a vehicle lamp housing according to the utility model;

[0014] Figure 2 This is a side structural schematic diagram of a positioning device lifting assembly of a headlight housing injection mold of the utility model;

[0015] Figure 3This is a schematic diagram of the rotating side view structure of the injection mold of a positioning device for an injection mold of a vehicle lamp housing of the utility model;

[0016] Figure 4 The utility model is a schematic diagram of a top view of the structure of an injection mold clamping assembly of a positioning device of an injection mold for a vehicle lamp housing.

[0017] In the figure: 1. operating table, 2. supporting frame, 3. first servo motor, 4. screw, 5. sliding rod, 6. transmission belt, 7. movable block, 8. electric push rod, 9. telescopic arm, 10. fixing plate, 11. engaging rod, 12. connecting block, 13. elastic limit block, 14. left mold, 15. second servo motor, 16. right mold, 17. injection nozzle. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 The utility model provides a technical solution: a positioning device for an injection mold of a headlight housing, comprising an operating table 1, wherein the upper end surface of the operating table 1 is respectively provided with support frames 2 at both ends, and a first servo motor 3 is provided in the operating table 1 below the support frame 2, and one end of the output shaft of the first servo motor 3 is connected to a screw rod 4 through a coupling, and a driving gear is sleeved on the screw rod 4, and a driven gear is correspondingly provided on one side of the driving gear, and a transmission belt 6 is sleeved on the outer wall of the driving gear and the driven gear, and the driven gear is also inserted with a screw rod 4 inside, and a sliding rod 5 is correspondingly provided at the rear of the screw 4, and a movable block 7 is inserted on the screw 4 and the sliding rod 5. It should be additionally explained that the inner wall of the transmission belt 6 is provided with internal teeth meshing with the outer walls of the driving gear and the driven gear, so as to ensure that the driving gear can drive the driven gear to move synchronously through the transmission belt 6.

[0020] Furthermore, under the action of the first servo motor 3, the movable block 7 forms a limited sliding structure in the support frame 2 through the screw 4 and the slide rod 5, and the two groups of screws 4 form a linkage structure through the driving gear, the driven gear, and the transmission belt 6, so that the two groups of screws 4 drive the injection mold and the positioning device to rise and fall as a whole, thereby facilitating the subsequent rotation of the injection mold.

[0021] The movable block 7 is provided with fixed boxes on the opposite surfaces, and an electric push rod 8 is provided in the fixed box on the left, and a second servo motor 15 is provided in the fixed box on the right. A telescopic arm 9 is provided on the electric push rod 8, and the other end of the telescopic arm 9 is connected to a fixed plate 10, and the fixed plate 10 is inserted into the rotating groove on the locking rod 11.

[0022] Furthermore, the fixed plate 10 forms a horizontal pushing structure with the operating table 1 through the telescopic arm 9 under the action of the electric push rod 8, so that the two sets of molds are driven by the electric push rod 8 to be positioned and combined so as to inject raw materials into the molds.

[0023] Furthermore, the locking rod 11 forms a rotating structure with the fixed plate 10 through the rotating groove, and the output shaft forms a rotating structure with the fixed box under the action of the second servo motor 15, so that the injection mold is driven by the second servo motor 15 to rotate slightly during injection molding, thereby ensuring that the liquid raw material can be evenly filled in the mold groove.

[0024] The other end of the locking rod 11 is inserted into the connecting block 12, and the second servo motor 15 is provided with an output shaft, and the other end of the output shaft is also inserted into the connecting block 12. The locking rod 11 and the output shaft are respectively provided with elastic limit blocks 13 at the front and rear, and the connecting block 12 is provided with limit holes at the front and rear respectively, and the elastic limit blocks 13 are engaged in the limit holes. The connecting block 12 connected to the locking rod 11 is connected to the left mold 14 on the other side, and the connecting block 12 connected to the output shaft is connected to the right mold 16 on the other side. The left mold 14 and the right mold 16 are respectively provided with nozzles 17 on the top.

[0025] Furthermore, the engaging rod 11 and the output shaft are respectively engaged in the limiting hole through the elastic limiting block 13 and form an elastic engaging limiting structure with the connecting block 12, so as to facilitate the engaging and installing of different injection molds, so as to produce lamp housings of different shapes.

[0026] Working principle: When using the positioning device of the injection mold for the headlight housing, first press the elastic limit block 13 on the output shaft to place the corresponding right mold 16 on the output shaft, and fix the position of the right mold 16 by engaging the elastic limit block 13 in the limit hole. Then press the elastic limit block 13 on the engaging rod 11 to install the left mold 14 in the same way. Then start the electric push rod 8, which drives the left mold 14 to move through the telescopic arm 9, so that the two sets of molds are positioned and combined; during the injection process, the raw material in liquid state can be injected into the interior of the mold through the nozzle 17, and at the same time, the push rod 8 can be started. The first servo motor 3 is started, and the output shaft of the first servo motor 3 drives the screw 4 to rotate through the coupling, and the screw 4 drives another set of screws 4 to move synchronously through the driving gear, the driven gear and the transmission belt 6, so as to drive the two sets of molds to rise at the same time through the slide bar 5 and the movable block 7; when the mold rises to a certain height, the second servo motor 15 can be started, and the second servo motor 15 drives the entire mold to shake slightly back and forth through the output shaft, so as to ensure that the raw material can fit into the complex mold groove to fill it, thereby ensuring the injection molding effect of the raw material in the device. This is the use process of the positioning device of the injection mold of the headlight housing.

[0027] 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 positioning device for an injection mold of a vehicle lamp housing, comprising an operating table (1), characterized in that: The upper end surface of the operating table (1) is provided with support frames (2) at both ends respectively, and a first servo motor (3) is provided in the operating table (1) below the support frame (2); one end of the output shaft of the first servo motor (3) is connected to a screw rod (4) through a coupling, and a driving gear is sleeved on the screw rod (4); a driven gear is correspondingly provided on one side of the driving gear, and a transmission belt (6) is sleeved on the outer wall of the driving gear and the driven gear, and the driven gear is also inserted with a screw rod (4) inside; a sliding rod (5) is correspondingly provided at the rear of the screw rod (4), and a movable block (7) is inserted on the screw rod (4) and the sliding rod (5); The movable block (7) is provided with fixed boxes on opposite surfaces, and an electric push rod (8) is provided in the left fixed box, and a second servo motor (15) is provided in the right fixed box. A telescopic arm (9) is provided on the electric push rod (8), and the other end of the telescopic arm (9) is connected to a fixed plate (10), and the fixed plate (10) is inserted into a rotation groove on the clamping rod (11); The other end of the engaging rod (11) is inserted into the connecting block (12); the second servo motor (15) is provided with an output shaft, and the other end of the output shaft is also inserted into the connecting block (12); the engaging rod (11) and the output shaft are respectively provided with elastic limit blocks (13) at the front and rear, and the connecting block (12) is provided with limit holes at the front and rear, respectively, and the elastic limit blocks (13) are engaged in the limit holes; the connecting block (12) connected to the engaging rod (11) is connected to the left mold (14) at the other side, and the connecting block (12) connected to the output shaft is connected to the right mold (16) at the other side, and the left mold (14) and the right mold (16) are respectively provided with nozzles (17) at the top.

2. The positioning device for the injection mold of a vehicle lamp housing according to claim 1, characterized in that: The movable block (7) forms a limited sliding structure in the support frame (2) through the screw rod (4) and the slide rod (5) under the action of the first servo motor (3), and the two sets of screw rods (4) form a linkage structure through the driving gear, the driven gear and the transmission belt (6).

3. The positioning device for the injection mold of a vehicle lamp housing according to claim 1, characterized in that: The fixed plate (10) forms a horizontal pushing structure with the operating table (1) through the telescopic arm (9) under the action of the electric push rod (8).

4. The positioning device for the injection mold of a vehicle lamp housing according to claim 1, characterized in that: The engaging rod (11) forms a rotating structure with the fixing plate (10) via a rotating groove, and the output shaft forms a rotating structure with the fixing box under the action of the second servo motor (15).

5. The positioning device for the injection mold of a vehicle lamp housing according to claim 1, characterized in that: The engaging rod (11) and the output shaft are respectively engaged in the limiting hole through the elastic limiting block (13) to form an elastic engaging limiting structure with the connecting block (12).

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