CN224074891U - A food-grade mold for bottle cap production - Google Patents

Abstract

This utility model relates to the field of injection mold technology, and in particular to a food-grade mold for bottle cap production, including a female mold plate, a male mold plate, a movable rod, and an ejector pin. The front end face of the male mold plate is fixedly provided with a first electric telescopic rod, and the upper end of the first electric telescopic rod is fixedly connected to a mounting plate. The top of the mounting plate is provided with a mounting groove, and a sliding block is slidably provided in the mounting groove through a guiding device, a limiting device, and a clamping drive device. This device can not only detach the bottle caps adhering to the top of the ejector pin from the injection molding machine through a pair of semi-circular ring clamping blocks after injection molding, but also automatically open and close to cover the ejector pin without external force during the backward movement of the pair of semi-circular ring clamping blocks. There is no need to set two sets of first electric telescopic rods on the front and rear sides, etc., making the structure simpler.

Description

Food-grade die for bottle cap production

Technical Field

The utility model relates to the technical field of injection molds, in particular to a food-grade mold for bottle cap production.

Background

In the process of producing beverages as food, food grade plastic bottles are required to be filled, and the production of plastic bottle caps is required to be injection molded through a food grade mold. The injection molding of the bottle cap comprises 6 steps of controlling injection pressure, injection time, injection temperature, pressure maintaining stage, cooling stage and demolding stage. In the injection molding temperature stage, the raw materials in the charging barrel of the injection molding machine are controlled to be at a proper processing temperature, but in the operation process, faults occur, so that the temperature of the raw materials is too high or too low, and the raw materials can be stuck on the ejection pin of the mold. The prior bottle cap injection mold with the application number of CN202222970561.7 comprises a male mold plate and a female mold plate, wherein a movable rod is movably arranged between the male mold plate and the female mold plate, so that the clamping block can clamp bottle raw materials stuck on an ejector pin, and then the electric push rod is driven to enable the slide rail to move up and down, so that raw materials can be separated from the ejection needle, and the ejection needle is quite convenient. However, the device needs to be provided with two groups of electric push rods, clamping blocks and the like on the front side and the rear side for clamping and separating, and the structure is not simple enough.

Disclosure of utility model

The utility model aims to solve the defects that in the prior art, two groups of electric push rods, clamping blocks and the like are required to be respectively arranged at the front side and the rear side for clamping and separating, and the structure is not simple enough, and provides a food-grade die for bottle cap production.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a food level mould for bottle lid production, includes female template, male template, movable rod, ejector pin, the preceding terminal surface of male template has set firmly first electric telescopic handle, and the upper end fixedly connected with mounting panel of first electric telescopic handle, the mounting groove has been seted up at the top of mounting panel, and has slided through guider, stop device, centre gripping drive arrangement in the mounting groove and have been equipped with the sliding block, the rear end fixedly connected with U-shaped frame of sliding block, the inside of U-shaped frame is equipped with a pair of pivot through clamping device rotation, and the upper and lower both ends of pivot all run through and rotate and connect U-shaped frame, the outer wall of pivot has set firmly the rotor plate, and the rear end integrated into one piece of rotor plate is equipped with the semicircle ring grip block that the cover was located on the ejector pin, a pair of semicircle ring grip block's rear end is equipped with automatic opening device.

Preferably, the clamping driving device comprises a second electric telescopic rod, a through hole is formed in the front end face of the sliding block, the second electric telescopic rod is arranged in the through hole in a sliding mode, and the front end and the rear end of the second electric telescopic rod are fixedly connected with the mounting plate and the U-shaped frame respectively.

Preferably, the automatic opening device comprises a guide plate, the rear ends of the pair of semicircular clamping blocks are uniformly and integrally formed and provided with the guide plate, and the rear ends of the pair of guide plates are outwards expanded into a V shape in a direction away from each other.

Preferably, the lower ends of the pair of rotating shafts are fixedly connected with gears, and the two gears are meshed with each other.

Preferably, the clamping device comprises a torsion spring and a fixed ring, a pair of baffle plates are uniformly formed at the upper ends of the rotating shafts, the torsion spring is sleeved on the outer walls of the rotating shafts respectively, a pair of fixed rings sleeved on the rotating shafts respectively are fixedly arranged at the top of the U-shaped frame, and the baffle plates and the fixed rings are fixedly connected at the two ends of the torsion spring respectively.

Preferably, the guide device comprises a guide groove and guide rails, the U-shaped frame and the two sides of the sliding block are only provided with the guide groove, the guide rails are arranged in the guide groove in a sliding mode, and one ends, far away from each other, of the guide rails are fixedly connected with the mounting plate.

Preferably, the limiting device comprises a limiting block and a limiting groove, the bottom of the mounting plate is provided with the limiting groove, the upper end of the limiting groove is communicated with the mounting groove, the limiting groove is internally provided with the limiting block, and the top of the limiting block is fixedly connected with the sliding block.

The food-grade die for bottle cap production has the beneficial effects that the device can be separated from a bottle cap injection molding machine adhered to the top of an ejector pin through the pair of semicircular clamping blocks after injection molding and die opening, the pair of semicircular clamping blocks can be automatically opened and combined to cover the ejector pin without external force in the backward moving process, and the structures such as two groups of first electric telescopic rods and the like are not required to be arranged on the front side and the rear side, so that the structure is simpler.

Drawings

Fig. 1 is a schematic structural view of a food-grade mold for bottle cap production according to the present utility model;

FIG. 2 is a schematic view showing the internal structure of a food-grade mold for bottle cap production according to the present utility model;

FIG. 3 is an enlarged view of area A of a food grade mold for bottle cap production in accordance with the present utility model;

Fig. 4 is a schematic structural view of a limiting device of a food-grade mold for bottle cap production according to the present utility model;

fig. 5 is a schematic view showing the bottom structure of a food-grade mold for bottle cap production according to the present utility model.

In the figure, 1, a first electric telescopic rod; 2, a mounting plate, 3, a sliding block, 4, a semicircular clamping block, 5, a female template, 6, a male template, 7, a movable rod, 8, a guide plate, 9, a rotating plate, 10, a rotating shaft, 11, a torsion spring, 12, a fixed ring, 13, a U-shaped frame, 14, a guide groove, 15, a guide rail, 16, a second electric telescopic rod, 17, a limiting block, 18 and an ejector pin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a food-grade mould for bottle cap production, including female template 5, male template 6, movable rod 7, ejector pin 18, the preceding terminal surface of male template 6 has set firmly first electric telescopic handle 1, and the upper end fixedly connected with mounting panel 2 of first electric telescopic handle 1, the mounting groove has been seted up at the top of mounting panel 2, and through guider, stop device, centre gripping drive arrangement slides and is equipped with slider 3 in the mounting groove, the rear end fixedly connected with U-shaped frame 13 of slider 3, the inside of U-shaped frame 13 is rotated through clamping device and is equipped with a pair of pivot 10, and the upper and lower both ends of pivot 10 all run through and rotate and connect U-shaped frame 13, the outer wall of pivot 10 has set firmly rotor plate 9, and the rear end integrated into one piece of rotor plate 9 is equipped with the semicircle grip block 4 of cover on ejector pin 18, the rear end of a pair semicircle grip block 4 is equipped with automatic opening device.

Referring to fig. 2, in order to drive the sliding block 3 to move back and forth and thus control the movement of the semicircular clamping block 4, the clamping driving device comprises a second electric telescopic rod 16, a through hole is formed in the front end surface of the sliding block 3, the second electric telescopic rod 16 is slidably arranged in the through hole, and the front end and the rear end of the second electric telescopic rod 16 are fixedly connected with the mounting plate 2 and the U-shaped frame 13 respectively.

Referring to fig. 2, in order to allow the semicircular clamping blocks 4 to automatically expand when encountering the ejector pins 18, the automatic expanding device includes guide plates 8, the rear ends of the pair of semicircular clamping blocks 4 are uniformly formed with the guide plates 8, and the rear ends of the pair of guide plates 8 are outwardly expanded in a V shape in a direction away from each other.

In order to enable the two semicircular clamping blocks 4 to synchronously rotate, gears are fixedly connected to the lower ends of the pair of rotating shafts 10, and the two gears are meshed with each other.

Referring to fig. 2, in order to enable the pair of semicircular clamping blocks 4 to automatically combine and cover the ejector pins 18, the clamping device comprises a torsion spring 11 and a fixed ring 12, the upper ends of the pair of rotating shafts 10 are uniformly and integrally formed with baffle plates, the outer walls of the pair of rotating shafts 10 are respectively sleeved with the torsion spring 11, the top of the u-shaped frame 13 is fixedly provided with the pair of fixed rings 12 respectively sleeved on the pair of rotating shafts 10, and two ends of the torsion spring 11 are respectively fixedly connected with the baffle plates and the fixed rings 12.

Referring to fig. 1 to 5, in order to enable the slider 3 to slide only forward and backward, the guide device includes a guide groove 14, a guide rail 15, both sides of the u-shaped frame 13 and the slider 3 are provided with only the guide groove 14, and the guide groove 14 is slidably provided with the guide rail 15, and one ends of the pair of guide rails 15 far from each other are fixedly connected with the mounting plate 2.

Referring to fig. 1 to 5, in order to prevent the sliding block 3 from falling off, the limiting device comprises a limiting block 17 and a limiting groove, the bottom of the mounting plate 2 is provided with the limiting groove, the upper end of the limiting groove is communicated with the mounting groove, the limiting groove is slidably provided with the limiting block 17, and the top of the limiting block 17 is fixedly connected with the sliding block 3.

The working principle is that after a mould is opened and a bottle cap is ejected through an ejection pin 18, a sliding block 3 and a semicircular clamping block 4 are driven by a second electric telescopic rod 16 to move backwards until a pair of guide plates 8 prop against the ejection pin 18, the semicircular clamping block 4 continues to move backwards, so that the pair of guide plates 8 drive a pair of semicircular clamping blocks 4 to synchronously open and hold the ejection pin 18 under the action of a pair of gears under the action of the ejection pin 18, the two semicircular clamping blocks 4 are combined and cover the ejection pin 18 through a torsion spring 11, and the first electric telescopic rod 1 drives the two semicircular clamping blocks 4 to move upwards and separate the bottle cap injection molding machine adhered to the top of the ejection pin 18.

The device can not only break away from through the bottle lid injection molding machine of a pair of semicircle ring grip blocks 4 to ejecting needle 18 top adhesion after the injection molding die sinking, and a pair of semicircle ring grip blocks 4 need not external force in the in-process of back-moving can open and merge cladding ejecting needle 18 voluntarily moreover, need not to set up structures such as two sets of first electric telescopic handle 1 in front and back both sides, and the structure is simpler.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a food-grade mould for bottle lid production, includes female template (5), public template (6), movable rod (7), ejector pin (18), a serial communication port, the preceding terminal surface of public template (6) has set firmly first electric telescopic handle (1), and the upper end fixedly connected with mounting panel (2) of first electric telescopic handle (1), the mounting groove has been seted up at the top of mounting panel (2), and is equipped with slider (3) through guider, stop device, centre gripping drive arrangement slip in the mounting groove, the rear end fixedly connected with U-shaped frame (13) of slider (3), the inside of U-shaped frame (13) is equipped with a pair of pivot (10) through clamping device rotation, and the upper and lower both ends of pivot (10) all run through and rotate and connect U-shaped frame (13), the outer wall of pivot (10) has set firmly rotor plate (9), and the rear end integrated into one piece of rotor plate (9) is equipped with the semicircle grip block (4) of cover on ejector pin (18), a pair of semicircle grip block (4) rear end is equipped with automatic device that opens.

2. Food-grade mould for bottle cap production according to claim 1, characterized in that the clamping driving device comprises a second electric telescopic rod (16), the front end face of the sliding block (3) is provided with a through hole, the second electric telescopic rod (16) is arranged in the through hole in a sliding way, and the front end and the rear end of the second electric telescopic rod (16) are respectively fixedly connected with the mounting plate (2) and the U-shaped frame (13).

3. Food-grade mould for the production of caps according to claim 1, characterized in that the automatic opening means comprise a guide plate (8), the rear ends of a pair of semicircular clamping blocks (4) being integrally formed with guide plates (8), the rear ends of a pair of guide plates (8) being flared in a V-shape away from each other.

4. Food grade mould for the production of caps according to claim 1, characterized in that the lower ends of a pair of shafts (10) are each fixedly connected with a gear, and the two gears are mutually meshed.

5. Food-grade mould for bottle cap production according to claim 1, characterized in that the clamping device comprises a torsion spring (11) and a fixed ring (12), a pair of baffle plates are uniformly formed at the upper ends of the rotating shafts (10), the torsion spring (11) is respectively sleeved on the outer walls of the rotating shafts (10), a pair of fixed rings (12) respectively sleeved on the rotating shafts (10) are fixedly arranged at the top of the U-shaped frame (13), and the baffle plates and the fixed rings (12) are respectively fixedly connected at the two ends of the torsion spring (11).

6. Food-grade mould for the production of caps according to claim 1, characterized in that the guiding means comprise a guiding groove (14), a guiding rail (15), the U-shaped frame (13) and the sliding block (3) are provided with guiding grooves (14) on both sides only, and the guiding groove (14) is slidingly provided with guiding rails (15), one end of a pair of guiding rails (15) far away from each other is fixedly connected with the mounting plate (2).

7. The food-grade die for bottle cap production according to claim 1, wherein the limiting device comprises a limiting block (17) and a limiting groove, the bottom of the mounting plate (2) is provided with the limiting groove, the upper end of the limiting groove is communicated with the mounting groove, the limiting groove is internally provided with the limiting block (17) in a sliding manner, and the top of the limiting block (17) is fixedly connected with the sliding block (3).