Display screen support injection mold

Abstract

The utility model relates to an injection mold, in particular to an injection mold for a display screen bracket. Comprising a hydraulic cylinder, a movable mold, guide columns and a fixed mold, the movable mold is arranged on the right side of the fixed mold, the guide columns are connected to the four corners of the movable mold, and guide holes matched with the guide columns are distributed in the four corners of the fixed mold. Positioning blocks are arranged on the front side and the rear side of the top end of the fixed mold. A fixing frame is slidably arranged among the right sides of the four guide columns. According to the utility model, the function of quickly switching the fixed mold can be realized, so that the replacement of the fixed mold is not time-consuming and labor-consuming, the switching time of the fixed mold is obviously shortened, and the production efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a injection mold especially display screen support injection mold. BACKGROUND

[0002] Display screen support injection mold is an important part in plastic manufacturing industry, especially in the field of electronic product accessories production. Injection mold is crucial in industrial production, and the mold is a highly complex molding tool assembled by various precision parts according to different application requirements, aiming to realize accurate manufacturing of product form through conversion of material physical state.

[0003] Currently, in the conventional operation of injection mold, there is an efficiency bottleneck: when replacing the mold, the operator must manually loosen a large number of fixing bolts. This process not only consumes time and effort, but also significantly prolongs the mold switching time due to the large number of bolts, reducing overall production efficiency and highlighting the inconvenience and inefficiency of traditional replacement methods. UTILITY MODEL CONTENTS

[0004] In order to overcome the long switching time of injection mold in conventional operation, the technical problem to be solved is to provide a display screen support injection mold that can quickly switch molds.

[0005] The technical solution of the utility model is: a display screen support injection mold, comprising a hydraulic cylinder, a moving mold, a guide column and a fixed mold, the fixed mold is provided on the right side of the moving mold, the four corners of the moving mold are connected with the guide column, and the four corners of the fixed mold are provided with guide holes matched with the guide column, characterized in that: it further comprises a sliding frame, a fixing frame, a positioning block and a locking mechanism, the fixed mold is slidingly connected in the inside of the sliding frame, the top end of the fixed mold is provided with the positioning block on the front and back sides, the fixing frame is slidingly arranged between the right sides of the four guide columns, the right end of the fixing frame is provided with the hydraulic cylinder, the piston rod of the hydraulic cylinder is connected with the right end of the moving mold, and the locking mechanism is installed on the front side of the top of the sliding frame.

[0006] In one embodiment, the locking mechanism comprises a square shell, a trapezoidal block, a pull rod and a spring, the square shell is arranged on the front side of the top of the sliding frame, the pull rod is slidingly arranged in the inside of the square shell, the lower end of the pull rod is connected with the trapezoidal block, the spring is sleeved on the outer side of the pull rod, and the two ends of the spring are connected with the square shell and the trapezoidal block respectively.

[0007] In one embodiment, it further comprises an electric sliding rail and a push plate, the electric sliding rail is connected on the upper and lower sides of the left end of the sliding frame, and the push plate is connected between the moving parts of the two electric sliding rails.

[0008] In one embodiment, it further comprises a fixed rod and a movable stop block, the fixed rod is arranged on the front side of the bottom of the push plate, and the movable stop block is rotatably connected to the front end of the fixed rod.

[0009] In one of the embodiments, the L-shaped support rod, the L-shaped plate, the hinge, the support plate and the guide rail are further included, the lower left end of the push plate is connected with the L-shaped support rod, the front end of the L-shaped support rod is connected with the L-shaped plate, the front end of the sliding frame is movably provided with the support plate through the hinge, the front end of the support plate is connected with the guide rail, and the guide rail corresponds to the sliding frame.

[0010] In one of the embodiments, the hinge comprises a bearing seat and a connecting shaft, the bearing seat is connected to the lower front end of the sliding frame, and the connecting shaft is rotatably installed on the bearing seat and fixedly connected with the support plate.

[0011] Beneficial effects: the utility model discloses a function of quick switching fixed mould, so that the replacement of fixed mould is not time-consuming and laborious, and the fixed mould switching time is remarkably reduced, and the production efficiency is greatly improved. People can not replace fixed mould through the traditional mode, and have a variety of choices. The fixed mould is moved by the electric sliding rail, convenient to replace, and the consumption of manpower is saved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0013] Figure 2 It is an explosion structure schematic view of the fixed mould, the movable mould and the fixed frame of the utility model.

[0014] Figure 3 It is a three-dimensional structure schematic view of the sliding frame and the support plate of the utility model.

[0015] Figure 4 It is a structure schematic view of the fixed mould and the start-stop device of the utility model.

[0016] Figure 5 It is a structure schematic view of the fixed mould when replacing of the utility model.

[0017] Marked as in the drawing: 1-sliding frame, 2-fixed frame, 3-hydraulic cylinder, 4-movable mould, 5-guide column, 6-fixed mould, 61-guide hole, 7-electric sliding rail, 8-push plate, 9-L-shaped support rod, 10-L-shaped plate, 11-bearing seat, 12-connecting shaft, 13-support plate, 14-guide rail, 15-fixed rod, 16-movable stop block, 17-positioning block, 18-square shell, 19-trapezoidal block, 20-pull rod, 21-spring. DETAILED DESCRIPTION

[0018] The utility model will be further described in connection with the embodiment shown in the drawings.

[0019] A display screen support injection mold, like Figure 1 And Figure 4As shown, including sliding frame 1, fixed frame 2, hydraulic cylinder 3, dynamic mode 4, guide column 5, fixed mode 6, positioning block 17 and locking mechanism, sliding frame 1 is not closed U-shaped structure of the front side, the inside of sliding frame 1 is slidably connected with fixed mode 6, fixed mode 6 can be removed from the front side of sliding frame 1, the top of fixed mode 6 is provided with positioning block 17 on both sides, positioning block 17 is slidably connected with sliding frame 1, positioning block 17 is used for fixing fixed mode 6 on sliding frame 1 with locking mechanism, dynamic mode 4 is arranged on the right side of fixed mode 6, fixed mode 6 and dynamic mode 4 form a mold together, four corners of dynamic mode 4 are connected with guide column 5, four guide columns 5 are slidably arranged between the right sides of the fixed frame 2, the four corners of fixed mode 6 are provided with guide holes 61 matched with guide columns 5, guide columns 5 are slidably penetrated through guide holes 61, the middle of the right end of fixed frame 2 is provided with hydraulic cylinder 3, the piston rod of hydraulic cylinder 3 is connected with the right end of dynamic mode 4, when fixed mode 6 and dynamic mode 4 are used for injection molding of display screen support, hydraulic cylinder 3 is used for pushing dynamic mode 4 to contact and separate from fixed mode 6, guide column 5 plays a guiding role, and the front side of the top of sliding frame 1 is provided with a locking mechanism.

[0020] As shown in Figure 4 , the locking mechanism includes a square shell 18, a trapezoidal block 19, a pull rod 20 and a spring 21, the top front side of the sliding frame 1 is provided with a square shell 18, the top middle of the square shell 18 is provided with a circular hole, the pull rod 20 is slidably arranged in the square shell 18, the pull rod 20 is matched with the circular hole at the top of the square shell 18 to form a sliding connection, the lower end of the pull rod 20 is connected with the trapezoidal block 19, the trapezoidal block 19 is used for clamping the positioning block 17, the pull rod 20 is sleeved with the spring 21 outside, and the two ends of the spring 21 are connected with the square shell 18 and the trapezoidal block 19 respectively.

[0021] As shown in Figure 1 and Figure 5 , it further comprises an electric sliding rail 7 and a push plate 8, the upper and lower sides of the left end of the sliding frame 1 are connected with the electric sliding rail 7, the moving parts of the two electric sliding rails 7 are connected with the push plate 8, the push plate 8 is rectangular in shape, which greatly increases the stress surface, and is conducive to pushing the fixed mode 6 by the push plate 8.

[0022] As shown in Figure 3 and Figure 5 , it further comprises a fixed rod 15 and a movable stop block 16, the bottom front side of the push plate 8 is provided with a fixed rod 15, the front end of the fixed rod 15 is rotatably connected with the movable stop block 16, the movable stop block 16 can rotate and is used for fixing the front end of the fixed mode 6.

[0023] As shown in Figure 3As shown, the L-shaped support rod 9 and the L-shaped plate 10, the hinge, the support plate 13 and the guide rail 14 are further included, the L-shaped support rod 9 is connected to the lower left end of the push plate 8, the front end of the L-shaped support rod 9 is connected to the L-shaped plate 10, the support plate 13 is movably installed on the front end of the sliding frame 1 through the hinge, the support plate 13 is used for supporting the fixed mold 6, the front end of the support plate 13 is connected to the guide rail 14, and the guide rail 14 corresponds to the sliding frame.

[0024] As shown, Figure 3 The hinge includes the bearing seat 11 and the connecting shaft 12, the bearing seat 11 is connected to the lower part of the front end of the sliding frame 1, and the connecting shaft 12 is rotatably installed on the bearing seat 11 and is fixedly connected with the support plate 13.

[0025] When the mold is used, the sliding frame 1 and the fixed frame 2 are fixed on the injection molding machine, when people want to replace the fixed mold 6 of the injection mold, the hydraulic cylinder 3 is started, the hydraulic cylinder 3 is shortened, the movable mold 4 and the guide column 5 are driven to move to the right, until the guide column 5 is completely removed from the guide hole 61 of the fixed mold 6, the pull rod 20 is lifted, the trapezoidal block 19 at the lower end of the pull rod 20 is lifted and does not block the front positioning block 17, the spring 21 sleeved outside the pull rod 20 is compressed, the electric sliding rail 7 is started, under the action of the electric sliding rail 7, the push plate 8 pushes the fixed mold 6 to move forward, the L-shaped support rod 9 moves forward together with the push plate 8, the L-shaped support rod 9 pushes the L-shaped plate 10 to move forward, under the pushing of the L-shaped plate 10, the support plate 13 rotates along the arc to be parallel to the L-shaped support rod 9, at this time, the L-shaped support rod 9 and the L-shaped plate 10 support the support plate 13, the fixed mold 6 is also moved to the guide rail 14 under the pushing of the push plate 8, at this time, people can rotate the movable block 16, remove the fixed mold 6, replace the new fixed mold 6, rotate the movable block 16, fix the fixed mold 6, start the electric sliding rail 7, the push plate 8 drives the L-shaped support rod 9, the L-shaped plate 10 and the fixed rod 15 to move backward, the fixed mold 6 is moved through the movable block 16, the L-shaped plate 10 no longer supports the support plate 13, and the support plate 13 is reset downward, when the fixed mold 6 is reset, the rear positioning block 17 abuts against the top inside of the sliding frame 1, and the electric sliding rail 7 stops working, the pull rod 20 is put down to block the positioning block 17, so that the fixed mold 6 is fixed, and the replacement of the fixed mold 6 is completed.

[0026] The embodiments of the utility model are described in detail in combination with the drawings above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A display screen support injection mold, comprising a hydraulic cylinder, a moving mold, a guide column and a fixed mold, the right side of the fixed mold is provided with the moving mold, the four corners of the moving mold are connected with the guide column, and the four corners of the fixed mold are provided with guide holes matched with the guide column, characterized in that: The utility model also includes a sliding frame, a fixing frame, a positioning block and a locking mechanism, the fixed mold is slidingly connected in the inside of the sliding frame, the fixed mold top end front and back sides are equipped with the positioning block, four guide columns right sides are slidingly equipped with the fixing frame, the fixing frame right end middle is equipped with the hydraulic cylinder, the hydraulic cylinder's piston rod is connected with the dynamic mold right end, the sliding frame top front side is installed with the locking mechanism, and the locking mechanism is used for fixing the positioning block.

2. The display stand injection mold of claim 1, wherein: The locking mechanism includes a square shell, a trapezoidal block, a pull rod and a spring, the sliding frame top front side is equipped with the square shell, the square shell inside is slidingly equipped with the pull rod, the pull rod's lower extreme is connected with the trapezoidal block, the pull rod outside is equipped with the spring, and the spring both ends are connected with the square shell and trapezoidal block respectively.

3. The display stand injection mold of claim 2, wherein: The utility model also includes an electric slide rail and a push plate, the sliding frame left end upper and lower sides are all connected with the electric slide rail, and the movable part between two electric slide rails is connected with the push plate.

4. The display stand injection mold of claim 3, wherein: The utility model also includes a fixed rod and a movable block, the push plate bottom front side is equipped with the fixed rod, and the movable block is rotatably connected to the front end of the fixed rod.

5. A display stand injection mold as claimed in claim 4, characterized in that: The utility model also includes an L-shaped rod and an L-shaped plate, a hinge, a support plate and a guide rail, the push plate lower part left end is connected with the L-shaped rod, the L-shaped rod front end is connected with the L-shaped plate, the sliding frame front end is movably installed with the support plate through the hinge, the support plate front end is connected with the guide rail, and the guide rail corresponds with the sliding frame.

6. A display stand injection mold as claimed in claim 5, characterized in that: The hinge includes a bearing seat and a connecting shaft, the bearing seat is connected to the sliding frame front end lower part, the connecting shaft is rotatably installed on the bearing seat, and the connecting shaft is fixedly connected with the support plate.

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