CN222858624U - A device for convenient rotary demoulding - Google Patents

Abstract

The utility model discloses a device convenient for rotary demolding, which comprises a support frame, a fixed plate, a lower die and an upper die, wherein a movable die cavity is arranged on the upper side of the fixed plate, a rotary top plate is arranged in the movable die cavity, a rotary assembly and an ejection assembly are arranged in the support frame, the rotary assembly and the ejection assembly are both arranged in the support frame and are connected with the rotary top plate, the ejection assembly is connected with the rotary assembly, the rotary assembly comprises a first driving motor, a rotating shaft and a telescopic sleeve, the rotating shaft is fixedly arranged at the output end of the first driving motor, and the telescopic sleeve is slidably arranged at the periphery of one end of the rotating shaft. According to the utility model, through the rotating assembly and the ejection assembly, when the product is demoulded, the rotating assembly and the ejection assembly are started, so that the product can be driven to rotate while being ejected, and the product can be rotated to exit the lower die, thereby avoiding damage to the helical tooth structure of the injection molded product.

Description

Device convenient to rotatory drawing of patterns

Technical Field

The utility model relates to the technical field of mold demolding, in particular to a device convenient for rotary demolding.

Background

With the continuous development of new materials, certain physical properties of many new materials are close to or exceed metals, and meanwhile, the new materials are far more superior to metals in acid and alkali resistance, corrosion resistance and other aspects, and among the new materials, common plastics have wide application in certain aspects due to the advantages of strong plasticity, strong chemical corrosion resistance, good insulativity and the like, currently, for plastic products with complex shapes, injection molding and subsequent ejection and demolding combined modes are mainly adopted for preparation, however, certain molded plastic parts are provided with helical tooth structures on the outer sides, and the extending direction of the protruding parts is inconsistent with the ejection direction of the molded parts in the demolding process, so that the molded plastic parts also need to provide additional rotational force to rotate in the ejection process, thereby completing the rotational demolding of the molded plastic parts

The existing common demolding mode mostly adopts a mode of forcibly removing the product from the mold cavity, so that the helical tooth structure of the product can be damaged in the process of removing the product from the mold by the relatively strong demolding mode. Therefore, there is a need to design a device that facilitates rotational stripping to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a device which is convenient for rotary demoulding and aims to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

The utility model provides a device convenient to rotatory drawing of patterns, includes support frame, fixed plate, bed die and last mould, the fixed plate upside is provided with the movable mould die cavity, be provided with in the movable mould die cavity and rotate the roof, be provided with rotating assembly and ejecting subassembly in the support frame, rotating assembly with rotate the roof and be connected, ejecting subassembly with rotating assembly is connected, rotating assembly includes first driving motor, axis of rotation and telescopic tube, axis of rotation fixed mounting is in first driving motor output, telescopic tube slidable mounting is in axis of rotation one end week side, ejecting subassembly includes second driving motor, fixed block, rolling disc, dwang and connecting rod, rolling disc fixed mounting is in second driving motor output, fixed block fixed mounting is in support frame inner wall one side, rolling disc one end fixed mounting has the rolling support, the rolling support rotates and installs fixed block one side, rolling rod other end fixed mounting has the rolling link, rolling disc one side edge rotates and installs the connecting rod, rolling disc one side is installed to the connecting rod.

Four limiting blocks are fixedly arranged on the periphery of the inner wall of the telescopic sleeve, four sliding grooves are formed in the periphery of the rotating shaft, and the limiting blocks are slidably arranged in the sliding grooves.

The first driving motor is fixedly arranged at the bottom of the inner wall of the support frame, and the second driving motor is fixedly arranged at one side of the inner wall of the support frame.

The telescopic sleeve is characterized in that a bearing is arranged on the peripheral side of one end of the telescopic sleeve, and the rotating connecting rod is rotationally connected with two sides of the bearing.

The fixed plate is fixedly arranged on the upper side of the supporting frame, the lower die is fixedly arranged on the upper side of the fixed plate, and the upper die is arranged on the upper side of the lower die.

And a die cavity is arranged in the lower die, and corresponds to the movable die cavity and the rotating top plate.

In the technical scheme, the device convenient for rotary demolding has the beneficial effects that:

(1) Through rotating assembly and ejecting subassembly that sets up, can be when drawing of patterns to the product, through start rotating assembly and ejecting subassembly, can drive the product and rotate when ejecting the product for the product can rotate and withdraw from the bed die, thereby avoid the helical tooth structure of injection moulding product to take place to damage.

(2) Through the rotation roof that sets up, set up to the same shape with the product through the rotation roof, then drive through rotating assembly and ejecting subassembly and rotate the roof and rotate upward movement, and in the transfer bed die for the product is driven to rotate upward movement, thereby lets the product drawing of patterns smoothly.

(3) The die cavity is arranged to be the same shape as the lower die, so that the rotating top plate can smoothly enter the lower die, and the rotating top plate is convenient to drive a product to rotate and move upwards, so that the product is smoothly demoulded.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic view of the overall structure provided by an embodiment of an apparatus for facilitating rotary stripping according to the present utility model.

Fig. 2 is a schematic diagram of an exploded structure of a lower mold and an upper mold provided by an embodiment of a device for facilitating rotary demolding.

Fig. 3 is a schematic diagram showing an exploded structure of a fixing plate and a lower mold provided by an embodiment of a device for facilitating rotary demolding.

Fig. 4 is a schematic view of the overall cross-sectional structure provided by an embodiment of the apparatus for facilitating rotary stripping of a mold according to the present utility model.

1. A support frame; 2, a fixed plate, 3, a lower die, 4, an upper die, 7, a product, 8, a die cavity, 10, a rotating top plate, 11, a movable die cavity, 12, an ejection assembly, 13, a first driving motor, 14, a rotating shaft, 15, a telescopic sleeve, 16, a bearing, 17, a fixed block, 18, a rotating support, 19, a second driving motor, 20, a rotating disc, 21, a connecting rod, 22, a rotating connecting rod, 23, a rotating rod, 24 and an ejection assembly.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the device for facilitating rotary demolding provided by the embodiment of the utility model comprises a support frame 1, a fixed plate 2, a lower mold 3 and an upper mold 4, wherein a movable mold cavity 11 is arranged on the upper side of the fixed plate 2, a rotary top plate 10 is arranged in the movable mold cavity 11, a rotary component 12 and an ejection component 24 are arranged in the support frame 1, the rotary component 12 is connected with the rotary top plate 10, the ejection component 24 is connected with the rotary component 12, the rotary component 12 comprises a first driving motor 13, a rotating shaft 14 and a telescopic sleeve 15, the rotating shaft 14 is fixedly arranged at the output end of the first driving motor 13, the telescopic sleeve 15 is slidably arranged at one end periphery of the rotating shaft 14, the ejection component 24 comprises a second driving motor 19, a fixed block 17, a rotating disc 20, a rotating rod 23 and a connecting rod 21, the rotating disc 20 is fixedly arranged at the output end of the second driving motor 19, the fixed block 17 is fixedly arranged at one side of the inner wall of the support frame 1, one end of the rotating rod 23 is fixedly provided with a rotating support 18, the rotating support 23 is rotatably arranged at one side of the fixed, the fixed end of the rotating support frame 18 is fixedly arranged at one side of the fixed, the other end of the rotating rod 23 is fixedly arranged at one side of the rotating block 16, the other end of the rotating rod 23 is fixedly arranged at the other end of the rotating block 22, the other end of the rotating block 22 is fixedly arranged at the other end of the rotating block 22, the rotating shaft is fixedly arranged at the side of the inner wall 16, and is fixedly arranged at the side 16, and is fixedly connected with the side 15, and is fixedly connected with the rotating shaft, and has, and is fixedly connected with the rotating shaft 15.

Specifically, in this embodiment, when demolding is performed, through starting first driving motor 13 and second driving motor 19, make first driving motor 13 drive axis of rotation 14 rotate, axis of rotation 14 rotates and drives telescopic tube 15 and rotate, simultaneously, second driving motor 19 can drive rolling disc 20 rotation, rolling disc 20 rotates and drives connecting rod 21 and rotate, connecting rod 21 rotates and can drive dwang 23 and swing, dwang 23 swings and drives telescopic tube 15 and remove, simultaneously when telescopic tube 15 rotates, through bearing 16, make dwang 23 can drive telescopic tube 15 and remove, telescopic tube 15 moves and can drive and rotate roof 10 and remove, simultaneously rotate through telescopic tube 15, can drive and rotate roof 10 and rotate, and then make and rotate roof 10 and rotate upward along movable mould die cavity 11, when roof 10 rotates upward and moves to the bed die 3 in, roof 10 can jack-up product 7, and drive product 7 and rotate in step, and then make product 7 rotate upward smoothly along bed die 3, thereby making product 7 can demold smoothly.

According to the device convenient for rotary demolding, the fixed plate 2 is fixedly arranged on the upper side of the supporting frame 1, the lower die 3 is fixedly arranged on the upper side of the fixed plate 2, the upper die 4 is arranged on the upper side of the lower die 3, the lower die 3 is internally provided with the die cavity 8, and the die cavity 8 corresponds to the movable die cavity 11 and the rotary top plate 10.

In another embodiment provided by the utility model, a plurality of helical tooth model grooves are formed in the inner wall peripheral sides of the die cavity 8 and the movable die cavity 11, the shape of the rotary top plate 10 is the same as that of the product 7, the peripheral side of the product 7 is in a helical tooth shape, and the helical tooth model grooves of the die cavity 8 correspond to the helical tooth model grooves of the movable die cavity 11, so that the rotary top plate 10 can be smoothly moved into the lower die 3 to demould the product 7.

When the product 7 is demolded, the rotating assembly 12 and the ejection assembly 24 are synchronously started, so that the rotating assembly 12 drives the rotating top plate 10 to rotate, the ejection assembly 24 drives the telescopic sleeve 15 of the rotating assembly 12 to move, the telescopic sleeve 15 moves to drive the rotating top plate 10 to move, the rotating top plate 10 can rotate and move upwards to drive the product 7 to rotate and move upwards, and damage to the helical tooth structure of the injection molding product 7 is avoided, so that the product 7 can be demolded smoothly.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The utility model provides a device convenient to rotatory drawing of patterns, includes support frame (1), fixed plate (2), bed die (3) and last mould (4), its characterized in that, fixed plate (2) upside is provided with movable mould die cavity (11), be provided with in movable mould die cavity (11) and rotate roof (10), be provided with rotating assembly (12) and ejecting subassembly (24) in support frame (1), rotating assembly (12) with ejecting subassembly (24) all set up in support frame (1), rotating assembly (12) are connected with rotate roof (10), ejecting subassembly (24) with rotating assembly (12) are connected, rotating assembly (12) include first driving motor (13), axis of rotation (14) and telescopic sleeve (15), axis of rotation (14) fixed mounting are in first driving motor (13) output, telescopic sleeve (15) slidable mounting is in axis of rotation (14) one end week side, ejecting subassembly (24) include second driving motor (19), fixed block (17), rotation pole (21) and second driving plate (20) are installed in the fixed end of rotation (19), fixed block (17) fixed mounting is in support frame (1) inner wall one side, rotation support (18) are installed to dwang (23) one end fixed mounting, rotation support (18) rotate and install fixed block (17) one side, dwang (23) other end fixed mounting has rotation connecting rod (22), connecting rod (21) are installed in rotation of rotating disc (20) one side edge, connecting rod (21) other end rotation is installed dwang (23) one side.

2. The device for facilitating rotary demolding according to claim 1, wherein four limiting blocks are fixedly arranged on the peripheral side of the inner wall of the telescopic sleeve (15), four sliding grooves are formed in the peripheral side of the rotating shaft (14), and the limiting blocks are slidably arranged in the sliding grooves.

3. A device for facilitating rotary stripping according to claim 2, characterized in that the first driving motor (13) is fixedly arranged at the bottom of the inner wall of the supporting frame (1), and the second driving motor (19) is fixedly arranged at one side of the inner wall of the supporting frame (1).

4. A device for facilitating rotary stripping according to claim 1, characterized in that a bearing (16) is provided on one end circumference side of the telescopic sleeve (15), and the rotary connecting rod (22) is rotatably connected with both sides of the bearing (16).

5. A device for facilitating rotary stripping according to claim 1, characterized in that the fixing plate (2) is fixedly mounted on the upper side of the supporting frame (1), the lower die (3) is fixedly mounted on the upper side of the fixing plate (2), and the upper die (4) is arranged on the upper side of the lower die (3).

6. A device for facilitating rotary demolding according to claim 5, characterized in that a mold cavity (8) is provided in the lower mold (3), the mold cavity (8) corresponding to the movable mold cavity (11) and the rotary top plate (10).