Injection molding mechanism for plastic production

Abstract

The utility model discloses an injection molding mechanism for plastic production, and relates to the technical field of plastic production. The mold fixing device comprises a base plate, a mold fixing assembly is arranged above the base plate, the mold fixing assembly comprises supporting feet connected to the lower surface of a fixing mold, the supporting feet are connected to the upper surface of the base plate, a placement plate is hinged to the lower surface of the fixing mold through hinges, and a plug block connected to the upper surface of the placement plate is filled in the inner bottom of the fixing mold. Adjusting hydraulic cylinders are hinged to the two side walls of the fixed mold through hinges. A collecting assembly is arranged on the upper surface of the base plate. The die fixing assembly is arranged, the adjusting hydraulic cylinder is started, opening of the plug block is achieved, then discharging of plastic products in the fixed die is achieved, operation steps are simplified, the collecting assembly is arranged, the pull handle is pulled upwards, position limitation of the collecting frame on the base plate is removed, and the collecting frame is matched with the idler wheels. And the load of a worker during carrying the collecting frame filled with the plastic products is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of plastic production technology, and in particular relates to an injection molding mechanism for plastic production. Background Technology

[0002] Plastic production refers to the process of using synthetic resin as the main raw material, adding various additives, and processing it under specific temperature and pressure. Injection molding is one of the steps in plastic production, and injection molding equipment is required when performing plastic injection molding. Injection molding equipment refers to the main molding equipment that uses plastic molds to make plastic products of various shapes from thermoplastic or thermosetting plastics.

[0003] A search revealed a patent document with publication number CN221022052U, which discloses an injection molding device for plastic production. The device includes a base plate, a support rod fixedly connected to the bottom end of the base plate, a guide rod fixedly connected to the top end of the base plate, and a top plate fixedly connected to the top end of the guide rod. A stepper motor is activated, causing a transmission rod to rotate, which in turn rotates a lifting assembly. The lifting assembly is located at the bottom end of a first connecting plate. When the lifting assembly contacts the first connecting plate, it lifts the first connecting plate. This lifts the lifting rod and the second connecting plate, causing the second connecting plate to eject the injection-molded mold from the mold slot. Then, a multi-stage electric push rod is activated, causing it to move a pushing assembly towards the ejected product. This push assembly then pushes the product into a collection frame, completing the collection process and reducing the need for workers to repeatedly retrieve the product.

[0004] However, it still has the following drawbacks in practical use:

[0005] 1. In the aforementioned injection molding device for plastic production, a stepper motor is fixedly connected to the top of the base plate at the bottom of the lower mold. A transmission rod is movably connected to the side of the stepper motor near the middle of the base plate. Two sets of lifting components are fixedly connected to the middle of the outer wall of the transmission rod, and a first connecting plate is provided corresponding to the bottom of the lower mold, so that when the lifting components rotate, the first connecting plate can be pushed to move, thereby driving the lifting rod and the first connecting plate to move. A third connecting plate is movably connected to the end of the transmission rod away from the stepper motor. The bottom end of the third connecting plate is fixedly connected to the top of the base plate. A collecting frame is fixedly connected to the top of the base plate away from the stepper motor. Two sets of multi-stage electric push rods are fixedly connected to the outer wall of the lower mold away from the collecting frame. A pushing component is fixedly connected to the side of the multi-stage electric push rods away from the lower mold, so as to push the injection-molded product. However, the operator needs to operate the stepper motor and the multi-stage electric push rods in sequence to realize the discharge of the plastic product, thus increasing the operation steps and the workload of the operator.

[0006] 2. In the aforementioned injection molding device for plastic production, a collecting frame is fixedly connected to the top of the base plate on the side away from the stepper motor. Activating a multi-stage electric push rod causes it to move a pushing component toward the ejected product, thereby pushing the finished injection-molded product into the collecting frame. However, the lower surface of the collecting frame lacks a rolling structure, requiring workers to lift the collecting frame filled with plastic products off the base plate for transport, thus increasing the load on workers when handling the collecting frame.

[0007] To address these issues, we provide an injection molding mechanism for plastic production. Utility Model Content

[0008] The purpose of this utility model is to provide an injection molding mechanism for plastic production. By setting a fixed mold assembly, controlling and adjusting the hydraulic cylinder, and adjusting the extension of the hydraulic rod, the stopper is opened, thereby realizing the discharge of plastic products. This simplifies the operation steps when discharging plastic products. In addition, a collection assembly is set up. Pulling the handle releases the position restriction of the insertion rod on the collection frame on the substrate. With the matching rollers, it is convenient to push the collection frame filled with plastic products, thereby reducing the load on the workers when carrying the collection frame. Thus, the technical problems mentioned in the background art of the aforementioned injection molding device for plastic production are solved.

[0009] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0010] This utility model relates to an injection molding mechanism for plastic production, comprising a base plate, a mold fixing assembly disposed on the upper part of the base plate, the mold fixing assembly including a support leg connected to the lower surface of the fixed mold, the support leg being connected to the upper surface of the base plate, a mounting plate being hinged to the lower surface of the fixed mold, a plug connected to the upper surface of the mounting plate filling the inner bottom of the fixed mold, and adjusting hydraulic cylinders being hinged to the side walls of the fixed mold, the lower end of the adjusting hydraulic cylinder being connected to an adjusting hydraulic rod, the lower end of the adjusting hydraulic rod being hinged to the mounting plate. The sidewall is hinged; a collecting assembly is provided on the upper surface of the substrate, and a wheel rail is provided on the upper surface of the substrate. The collecting assembly includes a roller connected to the lower surface of the collecting frame. The roller is movably disposed inside the wheel rail. An insert rod is connected through the upper surface of the ear seat connected to the sidewall of the collecting frame. The lower end of the return spring sleeved on the peripheral sidewall of the insert rod is connected to the upper surface of the ear seat. The lower surface of the pull handle fixed to the upper end of the insert rod is connected to the lower surface of the return spring. A slot is provided on the upper surface of the substrate, and the lower end of the insert rod is inserted into the slot.

[0011] The present utility model is further configured such that a sealing ring is provided on the upper surface of the fixed mold, and a sealing ring is sleeved on the outer side of the plug block. The sealing ring is in a figure-eight shape, and the fixed mold is in a figure-eight shape.

[0012] The present utility model is further configured such that a bearing plate is movably provided inside the collection box. The lower surface of the bearing plate is connected to the lower surface of a damper, and the lower surface of the damper is connected to the inner bottom of the collection box. A shock-absorbing spring is sleeved on the peripheral side wall of the damper.

[0013] The present utility model is further configured such that a sliding groove is provided on the inner side wall of the collection box, and a sliding block is fixedly connected to the side wall of the bearing plate. The sliding block is slidably connected inside the sliding groove.

[0014] The present utility model is further configured such that guide plates are symmetrically and fixedly connected to both side walls of the substrate. The guide plates are triangular in shape.

[0015] The present utility model is further configured such that a moving mold assembly is provided above the fixed mold. The moving mold assembly includes a mounting frame connected to the upper surface of the substrate. The lower end of a lifting hydraulic cylinder connected to the inner top of the mounting frame is connected to a lifting hydraulic rod, and the lower end of the lifting hydraulic rod is connected to a movable mold located above the fixed mold.

[0016] The present utility model is further configured such that a guide column penetrates through and is connected to the lower surface of an ear block connected to the side wall of the movable mold. The lower surface of the guide column is connected to the upper surface of the substrate.

[0017] The present utility model is further configured such that an injection molding pipe is connected to the upper surface of the movable mold, and a screw sleeve is fixedly connected to the upper end of the injection molding pipe.

[0018] The present utility model has the following beneficial effects:

[0019] 1. By providing a fixed mold assembly in the present utility model, when the adjustment hydraulic cylinder is started, when the adjustment hydraulic rod extends, the placement plate makes an arc movement with the hinge as a fixed point, the plug block gradually opens, and the plastic products formed by injection molding inside the fixed mold are exported along the inclined plug block, thereby realizing the discharging of the plastic products. On the contrary, when the adjustment hydraulic rod contracts, the plug block closes, thereby simplifying the operation steps during the discharging of the plastic products and reducing the workload during the discharging of the plastic products.

[0020] 2. By providing a collection assembly in the present utility model, when the staff member pulls the pull handle upward, the return spring extends, the insertion rod moves upward out of the inside of the slot, the position limitation of the collection box on the substrate is released, an external force is applied to the collection box, and the roller moves along the wheel track to the guide plate, thereby moving the collection box filled with plastic products out of the substrate, and reducing the load on the staff member when carrying the collection box filled with plastic products.

[0021] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0023] Figure 1 A three-dimensional schematic diagram of an injection molding mechanism for plastic production. Figure 1 ;

[0024] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0025] Figure 3 for Figure 1 Enlarged schematic diagram of the structure at point B;

[0026] Figure 4 A three-dimensional schematic diagram of an injection molding mechanism for plastic production. Figure 2 ;

[0027] Figure 5 This is an exploded view of the collection frame and the support plate.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1-Baseboard, 101-Guide plate, 102-Slot, 103-Wheel rail, 2-Fixed mold assembly, 201-Fixed mold, 201a-Support leg, 202-Hinge, 203-Adjusting hydraulic cylinder, 203a-Adjusting hydraulic rod, 204-Plug, 204a-Supporting plate, 205-Sealing ring, 3-Collection assembly, 301-Collection frame, 301a-Roller, 301b-Slide groove, 302-Pull 302a-Reset spring, 302b-Insertion rod, 302c-Ear seat, 303-Bearing plate, 303a-Slider, 304-Damper, 304a-Shock-absorbing spring, 4-Moving mold assembly, 401-Moving mold, 401a-Ear block, 402-Guide post, 403-Supporting frame, 404-Lifting hydraulic cylinder, 404a-Lifting hydraulic rod, 405-Injection tube, 405a-Threaded sleeve. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1

[0032] Please see Figure 1 and Figure 4 This utility model is an injection molding mechanism for plastic production, including a base plate 1. A mold fixing assembly 2 is arranged on the top of the base plate 1. The mold fixing assembly 2 includes a fixed mold 201, a support leg 201a, a hinge 202, an adjusting hydraulic cylinder 203, an adjusting hydraulic rod 203a, a stopper block 204, a mounting plate 204a, and a sealing ring 205. By controlling the adjusting hydraulic cylinder 203, the stopper block 204 is opened or closed, thereby realizing the discharge of plastic products inside the fixed mold 201, which simplifies the operation steps and reduces the workload of the operator.

[0033] Specifically, the fixed mold 201 is set above the substrate 1, and the lower surface of the fixed mold 201 is connected to the support leg 201a. The lower surface of the support leg 201a is connected to the upper surface of the substrate 1. The mounting plate 204a is hinged to the lower surface of the fixed mold 201 through the hinge 202. The upper surface of the mounting plate 204a is connected to the plug 204. The outer side of the plug 204 is fitted with a sealing ring 205. The plug 204 is filled into the inner bottom of the fixed mold 201. The upper surface of the fixed mold 201 is provided with a sealing ring 205. The upper end of the adjusting hydraulic cylinder 203 is hinged to the side wall of the fixed mold 201 through the hinge 202. The lower end of the adjusting hydraulic cylinder 203 is connected to the adjusting hydraulic rod 203a. The lower end of the adjusting hydraulic rod 203a is hinged to the side wall of the mounting plate 204a through the hinge 202.

[0034] Furthermore, the four support legs 201a are arranged in a rectangular array, the fixed mold 201 is in a U-shape, the sealing ring 205 is in a U-shape, and the two adjusting hydraulic cylinders 203 are arranged symmetrically.

[0035] The operation process of this embodiment is as follows: After the plastic injection molding is completed, the operator starts the adjusting hydraulic cylinder 203, the adjusting hydraulic rod 203a extends, the mounting plate 204a moves in an arc with the hinge 202 as the fixed point, the stopper 204 gradually opens, and the plastic mass after injection molding inside the fixed mold 201 is discharged along the inclined stopper 204 to realize the discharge of the plastic product; conversely, when the adjusting hydraulic rod 203a retracts, the stopper 204 gradually closes until the mounting plate 204a is parallel to the fixed mold 201.

[0036] Example 2

[0037] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5Based on the first specific embodiment, a collection component 3 is provided. The mobile phone component 3 includes a collection frame 301, a roller 301a, a pull handle 302, a return spring 302a, a plug rod 302b, an ear seat 302c, a support plate 303, a slider 303a, a damper 304, and a shock-absorbing spring 304a. By pulling the plug rod 302b upward, the position limitation of the collection frame 301 on the base plate 1 is released. In conjunction with the movement of the roller 301a, it is convenient to push the collection frame 301 filled with plastic products to move, and the load on the workers when carrying the collection frame 301 filled with plastic products is reduced.

[0038] Specifically, a guide plate 101 is connected to the side wall of substrate 1, and a slot 102 is formed on the upper surface of substrate 1. A wheel rail 103 is formed on the upper surface of substrate 1. A collection frame 301 is located on the upper surface of substrate 1, and a roller 301a is connected to the lower surface of collection frame 301. The roller 301a is movably disposed inside the wheel rail 103. An ear seat 302c is connected to the side wall of collection frame 301, and a pull handle 302 is provided above the ear seat 302c. A plug rod 302b is fixed to the lower surface of the pull handle 302. The lower end of the plug rod 302b passes through the ear seat 302c, and a return spring 302a is sleeved on the peripheral side wall of the plug rod 302b. The upper end is connected to the lower surface of the handle 302, and the lower end of the return spring 302a is connected to the upper surface of the ear seat 302c. The lower end of the insertion rod 302b is inserted into the inside of the slot 102. The support plate 303 is set inside the collection frame 301. A sliding groove 301b is opened on the inner side wall of the collection frame 301. A slider 303a is fixed on the side wall of the support plate 303. The slider 303a is slidably connected inside the sliding groove 301b. The upper surface of the damper 304 is connected to the lower surface of the support plate 303, and the lower surface of the damper 304 is connected to the inner bottom of the collection frame 301. A shock-absorbing spring 304a is sleeved on the peripheral side wall of the damper 304.

[0039] Furthermore, the two guide plates 101 are symmetrically arranged and the guide plates 101 are triangular in shape, the two wheel rails 103 are symmetrically opened, the four rollers 301a are arranged in a rectangular array, the four slide grooves 301b are arranged in a rectangular array, the four sliders 303a are arranged in a rectangular array, and the dampers 304 are arranged in a rectangular array.

[0040] The operation process of this embodiment is as follows: the plastic products that enter the collection frame 301 along the inclined plug 204 fall onto the support plate 303; when it is necessary to push down the collection frame 301 filled with plastic products, the operator pulls the handle 302 upward, the return spring 302a extends, the insert rod 302b moves upward out of the slot 102, applying external force to the collection frame 301, the roller 301a moves along the wheel rail 103, and then the collection frame 301 moves to the guide plate 101 through the movement of the roller 301a, and then the collection frame 301 is pushed out onto the base plate 1; conversely, the collection frame 301 is fixed on the base plate 1.

[0041] Example 3

[0042] Please see Figure 1 and Figure 4 Based on specific embodiments one and two, a moving mold assembly 4 is provided. The moving mold assembly 4 includes a movable mold 401, an ear block 401a, a guide post 402, a mounting frame 403, a lifting hydraulic cylinder 404, a lifting hydraulic rod 404a, an injection tube 405, and a screw sleeve 405a. By controlling the lifting hydraulic cylinder 404, the lifting hydraulic rod 404a extends or retracts, thereby adjusting the height of the movable mold 401, thereby achieving mold closing or mold opening.

[0043] Specifically, the mounting frame 403 is connected to the upper surface of the substrate 1, the upper end of the lifting hydraulic cylinder 404 is connected to the inner top of the mounting frame 403, and the lower end of the lifting hydraulic cylinder 404 is connected to the lifting hydraulic rod 404a. The upper surface of the movable mold 401 is connected to the lower end of the lifting hydraulic rod 404a. An ear block 401a is connected to the outer wall of the movable mold 401. The guide post 402 is connected to the upper surface of the substrate 1, and the upper end of the guide post 402 penetrates the lower surface of the ear block 401a. The injection tube 405 is connected to the movable mold 401, and a threaded sleeve 405a is fixed to the upper end of the injection tube 405.

[0044] Furthermore, the mounting frame 403 is U-shaped, the four ear blocks 401a are arranged in a rectangular array, and the four guide columns 402 are arranged in a rectangular array;

[0045] The operation process of this embodiment is as follows: The operator starts the lifting hydraulic cylinder 404, the lifting hydraulic rod 404a extends, the lug 401a moves downward along the guide post 402, and the movable mold 401 moves downward until the movable mold 401 contacts the upper surface of the fixed mold 201. The external pipe is threaded into the inside of the threaded sleeve 405a, and the external injection pump is started to inject plastic raw material into the inside of the fixed mold 201. When the lifting hydraulic rod 404a retracts, the lug 401a moves upward along the guide post 402, and the movable mold 401 moves upward.

[0046] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An injection molding mechanism for plastic production, comprising a substrate (1), characterized in that: Above the substrate (1), a fixed mold assembly (2) is provided. The fixed mold assembly (2) includes support feet (201a) connected to the lower surface of the fixed mold (201). The support feet (201a) are connected to the upper surface of the substrate (1). The lower surface of the fixed mold (201) is hinged to a placement plate (204a) through a hinge (202). A plug block (204) connected to the upper surface of the placement plate (204a) fills the inner bottom of the fixed mold (201). On both side walls of the fixed mold (201), adjustment hydraulic cylinders (203) are hinged through hinges (202). The lower end of the adjustment hydraulic cylinder (203) is connected to an adjustment hydraulic rod (203a). The lower end of the adjustment hydraulic rod (203a) is hinged to the side wall of the placement plate (204a) through a hinge (202). On the upper surface of the substrate (1), a collection assembly (3) is provided. On the upper surface of the substrate (1), a wheel track (103) is provided. The collection assembly (3) includes rollers (301a) connected to the lower surface of the collection frame (301). The rollers (301a) are movably arranged inside the wheel track (103). On the upper surface of an ear seat (302c) connected to the side wall of the collection frame (301), a plug rod (302b) penetrates and is connected. The lower end of a return spring (302a) sleeved on the peripheral side wall of the plug rod (302b) is connected to the upper surface of the ear seat (302c). The lower surface of a pull handle (302) fixedly connected to the upper end of the plug rod (302b) is connected to the lower surface of the return spring (302a). On the upper surface of the substrate (1), a slot (102) is provided. The lower end of the plug rod (302b) is inserted into the slot (102).

2. The injection molding mechanism for plastic production according to claim 1, characterized in that: On the upper surface of the fixed mold (201), a sealing ring (205) is provided. The outside of the plug block (204) is sleeved with a sealing ring (205). The sealing ring (205) is in a figure-eight shape. The fixed mold (201) is in a figure-eight shape.

3. The injection molding mechanism for plastic production according to claim 1, characterized in that: Inside the collection frame (301), a bearing plate (303) is movably arranged. The lower surface of a damper (304) connected to the lower surface of the bearing plate (303) is connected to the inner bottom of the collection frame (301). A shock-absorbing spring (304a) is sleeved on the peripheral side wall of the damper (304).

4. The injection molding mechanism for plastic production according to claim 3, characterized in that: On the inner side wall of the collection frame (301), a chute (�01b) is provided. On the side wall of the bearing plate (303), a slider (303a) is fixedly connected. The slider (303a) is slidably connected inside the chute (301b).

5. The injection molding mechanism for plastic production according to claim 1, characterized in that: On both side walls of the substrate (1), guide plates (101) are symmetrically and fixedly connected. The guide plates (101) are triangular in shape.

6. The injection molding mechanism for plastic production according to claim 1, characterized in that: A moving mold assembly (4) is provided above the fixed mold (201). The moving mold assembly (4) includes a mounting frame (403) connected to the upper surface of the substrate (1). The lower end of the lifting hydraulic cylinder (404) connected to the inner top of the mounting frame (403) is connected to a lifting hydraulic rod (404a). The lower end of the lifting hydraulic rod (404a) is connected to the movable mold (401) located above the fixed mold (201).

7. The injection molding mechanism for plastic production according to claim 6, characterized in that: The lower surface of the ear block (401a) connected to the side wall of the movable mold (401) is connected to a guide post (402), and the lower surface of the guide post (402) is connected to the upper surface of the substrate (1).

8. The injection molding mechanism for plastic production according to claim 7, characterized in that: The upper surface of the movable mold (401) is connected to an injection tube (405), and the upper end of the injection tube (405) is fixed with a threaded sleeve (405a).

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