CN220261870U - Injection molding product unloader - Google Patents

Abstract

The utility model discloses an injection molding product blanking device, which comprises: a frame; the cutting assembly is arranged on the frame and is used for cutting off waste materials of the molded product and pressing the molded product; the clamping assembly is arranged on the frame in a horizontally movable manner and comprises a first clamp and a second clamp which can move relatively in the horizontal direction; and the material taking/tearing assembly is movably arranged on the frame and comprises a material frame clamp for clamping a water gap material frame. The utility model realizes the automatic cutting of the waste material of the injection molding product, the full-automatic production of tearing the water gap material frame and collecting, improves the production efficiency, reduces the manpower and reduces the production cost.

Description

Injection molding product unloader

Technical Field

The utility model belongs to the technical field of automatic production equipment, and particularly relates to a blanking device for automatically cutting waste materials, automatically tearing a water gap material frame, automatically collecting materials and the like on injection molding products such as hanging granules and the like.

Background

The hanging granule is a plastic product which is applied to various products such as clothing hanging tags, accessories, shoes, caps, bags and the like. The hanging granule is usually prepared by injection molding process, and injection molding product with water gap is formed after injection molding plastic liquid which is melted in advance into a mold. The injection molding process of the hanging granule comprises a primary injection molding process and a secondary injection molding process. The groups of injection products obtained by the one-time injection process are communicated through the ropes, so that products of adjacent groups are required to be cut off and separated, rope ends can be left at the edges of the products, and the appearance of the products is greatly affected. The secondary injection molding process is to perform primary die assembly and preliminary injection molding to obtain a preliminary injection molding product, and then perform secondary injection molding on the preliminary injection molding product, wherein the molding process can seal the rope end inside the product without exposing, so that the attractiveness of the product is improved. However, for suspended particle products molded by adopting a secondary injection molding process, operations such as cutting waste material at the head of a molded product, tearing a water gap material frame and the like are still needed, and at present, all the procedures are manual operations, and after the waste material at the head of the molded product is cut by a cutter, the water gap material frame is manually torn off and the suspended particle products are collected, so that the labor intensity is high, the production efficiency is low, and the degree of automation is required to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the injection molding product blanking device capable of automatically cutting waste materials, tearing a water gap material frame and collecting molded products, and the automation degree and the production efficiency of injection molding product production such as hanging granules can be improved.

The utility model adopts the following technical scheme:

an injection molding product unloader, includes: a frame; the cutting assembly is arranged on the frame and is used for cutting off waste materials of the molded product and pressing the molded product; the clamping assembly is arranged on the frame in a horizontally movable manner and comprises a first clamp and a second clamp which can move relatively in the horizontal direction; and the material taking/tearing assembly is movably arranged on the frame and comprises a material frame clamp for clamping a water gap material frame.

Further, the cutting assembly comprises a cutter seat fixedly arranged on the frame, a cutter relatively arranged with the cutter seat, and a cutter driving unit for driving the cutter to move up and down, wherein the cutter is positioned above the cutter seat, the cutter comprises a cutting edge and a pressing part, the cutting edge protrudes downwards from the pressing part, and a cutter groove capable of accommodating the cutting edge is formed in the cutter seat.

Further, the section shape of the cutter is L-shaped or convex.

Further, the tool apron is provided with limiting parts which are arranged at intervals along the length direction of the tool apron, and the limiting parts are protruding columns protruding upwards from the upper surface of the tool apron.

Further, the clamping assembly further comprises a mounting platform which is arranged on the frame in a horizontal moving mode, a first clamp translation driving unit which drives the first clamp to horizontally move, and a second clamp translation driving unit which drives the second clamp to horizontally move, wherein the first clamp and the second clamp are arranged on the mounting platform in a horizontal moving mode, and each of the first clamp and the second clamp comprises a pair of clamp arms and a clamp arm opening/closing driving unit which controls the opening/closing of the clamp arms.

Further, a roll-over stand is arranged on the mounting platform, the roll-over stand is connected with the mounting platform through a hinge shaft, the roll-over stand can roll over around the hinge shaft under the control of a roll-over driving unit, the first clamp and the second clamp can be horizontally movably arranged on the roll-over stand, and the first clamp and the second clamp can be enabled to be turned from a clamping arm horizontal state to a clamping arm inclined downward state during roll-over of the roll-over stand.

Further, the moving direction of the mounting platform is perpendicular to the moving directions of the first clamp and the second clamp.

Further, the material taking/tearing assembly further comprises an installation sliding frame movably arranged on the frame, a sliding frame translation driving unit for controlling the installation sliding frame to horizontally move and a sliding frame lifting driving unit for controlling the installation sliding frame to vertically move, and the material frame is clamped on the installation sliding frame.

Further, a material frame clamp telescopic driving unit is arranged on the installation sliding frame and connected with the material frame clamp, and the material frame clamp telescopic driving unit is used for controlling the material frame clamp to stretch in the horizontal direction.

Further, a material collecting frame is arranged on the frame, and the material collecting frame is arranged below the material clamping assembly.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the cutting assembly is arranged, so that waste materials can be cut and molded products can be pressed after being cut, the clamping assembly can straighten the molded products so as to facilitate the subsequent operation of tearing the water gap material frame, the material taking/tearing assembly can tear off the water gap material frame after clamping the water gap material frame and separate the water gap material frame from the molded products, the full-process automatic production of cutting the waste materials, tearing the water gap material frame and collecting materials is realized, the production efficiency is greatly improved, and compared with the traditional semi-automatic production mode, the labor intensity is reduced, and the labor cost is reduced.

Drawings

FIG. 1 is a schematic structural view of an injection product blanking device according to an embodiment of the present utility model;

FIG. 2 is a schematic front view of an injection molding product blanking apparatus according to an embodiment of the present utility model;

FIG. 3 is a side view of an injection product blanking apparatus according to an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 5 is a schematic view of a partial structure of a cutting assembly according to an embodiment of the present utility model when cutting an injection molded product;

FIG. 6 is a schematic view of a part of a cutting assembly according to another embodiment of the present utility model at another angle when cutting an injection molded product;

FIG. 7 is a schematic view of a partial structure of an injection molded product when the injection molded product is compressed after cutting;

FIG. 8 is a schematic view of a partial structure of an injection molded product at another angle when compressed after cutting;

FIG. 9 is a schematic view of a part of a structure of a tearing manipulator when a gate frame is torn;

fig. 10 is a schematic view of a partial structure of another angle of the tearing manipulator when the nozzle frame is torn.

Detailed Description

The utility model will be further described with reference to the following specific embodiments.

As shown in fig. 1, 2, 3 and 4, the injection molding product blanking device of the present embodiment includes a frame 1, and a cutting assembly 2, a clamping assembly 3, a material taking/tearing assembly 4 and a material collecting frame 5 are disposed on the frame 1. The cutting assembly 2 is used for cutting scraps of the head of the molded product; the clamping assembly 3 is used for clamping and straightening a rope part of the molded product; the material taking/tearing assembly 4 is used for taking the formed product out of the die and sending the formed product to a cutting station, and tearing off the water gap material frame so as to separate the water gap material frame from the formed product; the material collecting frame 5 is used for collecting the formed product after the water gap material frame is torn off. The following examples illustrate molded products as suspended pellets.

The cutting assembly 2 of the present embodiment includes a cutter 2-1, a cutter holder 2-2, and a cutter driving unit 2-3. The tool holder 2-2 is fixed on the frame 1, and the tool holder 2-2 is provided with a tool slot 2-2a matched with the cutter 2-1. The cutter 2-1 is arranged above the cutter holder 2-2 and is arranged opposite to the cutter holder 2-2. The cutter 2-1 is movable up and down under the control of the cutter driving unit 2-3. The cutter 2-1 includes a blade (not shown) functioning as a cutting edge and a pressing portion (not shown) functioning as a pressing portion, the blade protruding downward from the pressing portion, and for example, the cutter 2-1 may have an L-shaped or convex cross-sectional shape. When the cutter 2-1 cuts downwards, the cutting edge of the cutter 2-1 falls into the cutter groove 2-2a, waste materials at the head of the suspended particle finished product are cut off, the pressing part is pressed on the upper surface of the cutter holder 2-2, the head of the suspended particle finished product is pressed, and the suspended particle finished product is fixed, so that the operation of a water gap material frame is convenient to follow-up tear.

Preferably, in order to prevent the ropes of the suspended particle products from being entangled with each other, a limiting portion 2-2b is further provided on the tool holder 2-2, the limiting portion 2-2b of this embodiment is a protruding column protruding upward from the upper surface of the tool holder 2-2, the limiting portions 2-2b are arranged at intervals along the length direction of the tool holder 2-2, and the limiting portions 2-2b can separate the suspended particle products, thereby preventing ropes of adjacent suspended particle products from being entangled with each other. The limiting parts 2-2b can be arranged one hanging granule finished product at intervals or arranged one hanging granule finished product at intervals. The limiting part 2-2b has the function of separating the ropes of the suspended particle finished product and also has the function of positioning the suspended particle finished product so as to facilitate cutting. After the hanging granule finished products are taken out of the die, the head edges of the water gap material frames are abutted against the limiting parts 2-2b, so that the heads of the hanging granule finished products are orderly positioned above the cutting grooves 2-2a, and when the cutter 2-1 cuts downwards, the waste materials of the heads of the hanging granule finished products can be orderly cut off together.

The cutter driving unit 2-3 of the embodiment adopts an air cylinder, the air cylinder is arranged on the frame 1, a piston rod of the air cylinder is connected with the cutter 2-1, and when the air cylinder acts, the cutter 2-1 is driven by the piston rod to cut downwards or reset upwards. In other embodiments, the cutter driving unit 2-3 may also employ conventional mechanical driving means such as a motor, a hydraulic cylinder, an electric cylinder, a linear die set, etc.

The clamping assembly 3 of the embodiment comprises a mounting platform 3-1, a first clamp 3-2, a second clamp 3-3, a turnover driving unit 3-4, a first clamp translation driving unit 3-5 and a second clamp translation driving unit 3-6. The first clamp 3-2 and the second clamp 3-3 are used for clamping the rope of the suspended grain finished product and straightening the rope. The first clamp 3-2 has the same structure as the second clamp 3-3, and includes a pair of clamp arms (not numbered) and a clamp arm opening/closing driving unit (not numbered) that controls the opening/closing of the clamp arms. The first jig 3-2 and the second jig 3-3 are relatively movable in the horizontal direction, and the first jig 3-2 and the second jig 3-3 of the present embodiment are each movable in the horizontal direction so as to be apart from or close to each other. In other embodiments, the first clamp 3-2 may be fixed in position, and the second clamp 3-3 may be moved in the horizontal direction, and the second clamp 3-3 may be moved closer to or further from the first clamp 3-2.

The first clamp 3-2 and the second clamp 3-3 are arranged on the mounting platform 3-1, the first clamp 3-2 and the second clamp 3-3 can move in the horizontal direction under the control of the first clamp translation driving unit 3-5 and the second clamp translation driving unit 3-6 respectively, and when the first clamp 3-2 and the second clamp 3-3 are far away from each other, the rope of the suspended grain finished product can be straightened. The first clamp translation driving unit 3-5 of this embodiment is an air cylinder, and a piston rod of the air cylinder is connected to a mounting seat (not numbered) of the first clamp 3-2, so as to control the horizontal movement of the first clamp 3-2 on the mounting platform 3-1. The second clamp translation driving unit 3-6 is a motor, and the motor is connected with a mounting seat (not numbered) of the second clamp 3-3 through a screw rod transmission structure, so that the horizontal movement of the second clamp 3-3 on the mounting platform 3-1 is controlled. Besides the motor can adopt a screw rod transmission structure for transmission, the motor can also adopt a belt, a rack, a chain, a gear and other conventional transmission structures. The clamp translation driving unit can also adopt a motor, a hydraulic cylinder, an electric cylinder, a linear module and other conventional mechanical driving components.

The mounting platform 3-1 is horizontally movably disposed on the frame 1, and the moving direction of the mounting platform 3-1 in this embodiment is perpendicular to the moving directions of the first clamp 3-2 and the second clamp 3-3. The horizontal movement of the mounting platform 3-1 is controlled by the platform translation driving unit 3-7, and the platform translation driving unit 3-7 of the embodiment adopts an air cylinder. The aggregate frame 5 is positioned below the mounting platform 3-1. Optionally, a roll-over stand 3-8 is disposed on the mounting platform 3-1 of this embodiment, the roll-over stand 3-8 is connected to the mounting platform 3-1 through a hinge, and the first clamp 3-2 and the second clamp 3-3 are respectively disposed on the roll-over stand 3-8 through respective mounting seats in a horizontally movable manner. The overturning driving unit 3-4 is arranged on the frame 1 and used for controlling the overturning frame 3-8 to overturn around the hinge shaft, so that the first clamp 3-2 and the second clamp 3-3 are overturned from the state that the clamp arms are horizontal to the state that the clamp arms are inclined downwards, and therefore, the suspended particle finished products of the material frame of the water gap on the clamp arms can fall into the material collecting frame 5 below the mounting platform 3-1 in a neat arrangement mode automatically, and subsequent manual or automatic bundling and packaging are facilitated. The overturn driving unit 3-4 of the present embodiment adopts an air cylinder.

The take/tear assembly 4 is located above the nip assembly 3. The material taking/tearing assembly 4 of the embodiment comprises a material frame clamp 4-1, a mounting carriage 4-2, a carriage translation driving unit 4-3, a carriage lifting driving unit 4-4 and a material frame clamp telescopic driving unit 4-5. The material frame clamp 4-1 is arranged on the installation carriage 4-2, the installation carriage 4-2 is arranged on the frame 1 in a manner of up-down movement and horizontal movement, the horizontal movement of the installation carriage 4-2 is controlled by the carriage translation driving unit 4-3, the up-down movement of the installation carriage 4-2 is controlled by the carriage lifting driving unit 4-4, and the carriage translation driving unit 4-3 and the carriage lifting driving unit 4-4 are arranged on the frame 1. The carriage translation driving unit 4-3 and the carriage lifting driving unit 4-4 of the embodiment both adopt a motor and screw transmission structure. When the carriage translation driving unit 4-3 and the carriage lifting driving unit 4-4 control the mounting carriage 4-2 to move horizontally or up and down, the material frame clamp 4-1 arranged on the mounting carriage 4-2 also moves horizontally or up and down together.

The material frame clamps 4-1 are used for clamping the water gap connecting frame connected with the formed product, and the number of the material frame clamps 4-1 can be correspondingly set according to the requirement and can be one or more than one. In this embodiment, 3 material frame clamps 4-1 are provided, and each material frame clamp 4-1 is used for clamping a section of vertical frame (vertical direction is parallel to the extending direction of the rope of the suspended particle finished product) of the water gap material frame. When the water gap material frame has only two sections of vertical frames, only two material frame clamps can be arranged, or when the material frame clamps are used for clamping the transverse frames of the water gap material frame, only two material frame clamps can be arranged. The material frame clamp 4-1 of the embodiment can be horizontally arranged on the mounting carriage 4-2 in a telescopic manner, the telescopic movement of the material frame clamp 4-1 is controlled by the material frame clamp telescopic driving unit 4-5, the material frame clamp telescopic driving unit 4-5 can adopt an air cylinder, and the material frame clamp 4-1 can adopt a finger air cylinder. The telescopic driving unit 4-5 controls the telescopic of the material frame clamp 4-1, so that the molded product can be taken out of the mold conveniently, and the operation of tearing the water gap material frame can be facilitated.

The operation of the blanking apparatus of the present utility model will be described with reference to fig. 1, 3, 4, and 5 to 10.

The head of the molded product obtained by the secondary injection molding process is provided with a section of waste to be cut off, and the hanging granule finished product obtained by the secondary injection molding process is taken out from the mold by the material taking/tearing component 4, and the specific taking-out actions are as follows: the carriage translation driving unit 4-3 and the carriage lifting driving unit 4-4 control the mounting carriage 4-2 to move towards the die, the material frame clamp 4-1 stretches out to clamp the frame of the water gap material frame, then the material frame clamp 4-1 retracts to take out the suspended grain finished product from the die and send the suspended grain finished product to the cutter seat 2-2, as shown in fig. 5 and 6, the cutter driving unit 2-3 drives the cutter 2-1 to move downwards to cut the waste, the cutting edge of the cutter 2-1 falls into the cutter groove during cutting to cut the waste, and the pressing part of the cutter 2-1 simultaneously presses the head of the suspended grain finished product on the cutter seat 2-2, so that the suspended grain finished product cannot move, and the operation of tearing the water gap material frame is convenient to follow, as shown in fig. 7 and 8;

after the waste is cut off, the carriage translation driving unit 4-3 and the carriage lifting driving unit 4-4 control the carriage 4-2 to be installed away from the cutting assembly 2, so that the front part of the water gap material frame clamped by the material frame clamp 4-1 is torn, the front part of the water gap material frame is separated from the suspended grain finished product, and then the first clamp 3-2 and the second clamp 3-3 can extend into a rope for clamping the suspended grain finished product; the platform translation driving unit controls the mounting platform 3-1 to horizontally move so that the first clamp 3-2 and the second clamp 3-3 move to a position capable of clamping the rope of the suspended grain finished product, after the first clamp 3-2 and the second clamp 3-3 are opened and clamp the rope, the first clamp translation driving unit 3-5 and the second clamp translation driving unit 3-6 respectively control the first clamp 3-2 and the second clamp 3-3 to be away from each other along the horizontal direction so as to straighten the rope, as shown in fig. 9 and 10 (if the rope is already in a straightened state when the suspended grain product is released, the first clamp and the second clamp only play a clamping role, and do not need to be mutually away from each other and straighten the rope any more), and fig. 9 and 10 show the states that the rope is straightened and the first clamp 3-2 and the second clamp 3-3 clamp the rope, and if the suspended grain product is in a bending state when the suspended grain product is released, the first clamp 3-2 and the second clamp 3-3 are also away from each other and the rope are not shown in the state; meanwhile, the carriage translation driving unit 4-3 and the carriage lifting driving unit 4-4 continuously control the carriage 4-2 to be installed and then move away from the clamping assembly 3, further tear the water gap material frame backwards, and the water gap material frame moves along with the material frame clamp 4-1 so as to be separated from the suspended particle finished product clamped by the first clamp 3-2 and the second clamp 3-3, and after the water gap material frame is torn off, the material frame clamp 4-1 releases the water gap material frame, and the water gap material frame falls into a waste material frame (not shown);

after the water gap material frame is torn off, the platform translation driving unit controls the mounting platform 3-1 to move to the upper side of the material collecting frame 5, the overturning driving unit 3-4 controls the overturning frame 3-8 to overturn, so that the clamping arms of the first clamp 3-2 and the second clamp 3-3 incline downwards, when the clamping arms are opened, suspended particle finished products automatically fall into the material collecting frame 5, and then all components are reset for the next round of operation.

The translation driving unit, the lifting driving unit, the overturning driving unit and the like can adopt conventional driving units such as a motor, an air cylinder, an electric push rod and the like according to actual production requirements. The blanking device realizes the automatic production of procedures such as cutting waste materials, separating a water gap material frame and a suspended particle finished product, collecting the suspended particle finished product and the like, improves the production efficiency, reduces the labor capacity of workers, reduces the manpower and is beneficial to controlling the production cost.

Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing description and the accompanying drawings, and all such changes and modifications are intended to be included within the scope of the present utility model as defined in the appended claims.

Claims (10)

1. An injection molding product unloader, characterized in that includes:

a frame;

the cutting assembly is arranged on the frame and is used for cutting off waste materials of the molded product and pressing the molded product;

the clamping assembly is arranged on the frame in a horizontally movable manner and comprises a first clamp and a second clamp which can move relatively in the horizontal direction;

and the material taking/tearing assembly is movably arranged on the frame and comprises a material frame clamp for clamping a water gap material frame.

2. The injection molding product blanking device of claim 1, wherein: the cutting assembly comprises a cutter seat fixedly arranged on the frame, a cutter arranged opposite to the cutter seat and a cutter driving unit for driving the cutter to move up and down, wherein the cutter is positioned above the cutter seat and comprises a cutting edge and a pressing part, the cutting edge protrudes downwards from the pressing part, and a cutter groove capable of accommodating the cutting edge is formed in the cutter seat.

3. The injection molding product blanking apparatus of claim 2, wherein: the section shape of the cutter is L-shaped or convex.

4. The injection molding product blanking apparatus of claim 2, wherein: the cutter holder is provided with limiting parts which are arranged at intervals along the length direction of the cutter holder, and the limiting parts are protruding columns protruding upwards from the upper surface of the cutter holder.

5. The injection molding product blanking device of claim 1, wherein: the clamping assembly further comprises a mounting platform which can be horizontally arranged on the frame, a first clamp translation driving unit which drives the first clamp to horizontally move, and a second clamp translation driving unit which drives the second clamp to horizontally move, wherein the first clamp and the second clamp can be horizontally arranged on the mounting platform, and both the first clamp and the second clamp comprise a pair of clamp arms and a clamp arm opening/closing driving unit which controls the clamp arms to open/close.

6. The injection molding product blanking device of claim 5, wherein: the mounting platform is provided with a roll-over stand, the roll-over stand is connected with the mounting platform through a hinge shaft, the roll-over stand can roll over around the hinge shaft under the control of a roll-over driving unit, the first clamp and the second clamp can be horizontally movably arranged on the roll-over stand, and the first clamp and the second clamp can be enabled to be turned from a clamp arm horizontal state to a clamp arm inclined downward state during roll-over of the roll-over stand.

7. The injection molding product blanking device of claim 5, wherein: the moving direction of the mounting platform is perpendicular to the moving direction of the first clamp and the second clamp.

8. The injection molding product blanking device of claim 1, wherein: the material taking/tearing assembly further comprises an installation sliding frame movably arranged on the frame, a sliding frame translation driving unit for controlling the installation sliding frame to horizontally move and a sliding frame lifting driving unit for controlling the installation sliding frame to vertically move, and the material frame is clamped on the installation sliding frame.

9. The injection molding product blanking apparatus of claim 8, wherein: the mounting sliding frame is provided with a material frame clamp telescopic driving unit, and the material frame clamp telescopic driving unit is connected with the material frame clamp and used for controlling the material frame clamp to stretch in the horizontal direction.

10. The injection molding product blanking device of claim 1, wherein: the frame is provided with a material collecting frame, and the material collecting frame is arranged below the material clamping assembly.