Die head for preparing porous antimony trioxide master batch

Abstract

The utility model relates to the technical field of master batch processing, and discloses a die head for preparing porous antimony trioxide master batch, which comprises a die head body, a material guide plate is fixedly arranged on the outer wall of the bottom end part of the die head body, the outer wall of the top of the material guide plate is fixedly connected with baffles which are symmetrically arranged, and the baffles are fixedly connected with the die head body. And guide plates are fixedly connected to the outer walls of the tops of the two baffles correspondingly, and guide blocks are slidably arranged on the outer walls of the two guide plates correspondingly. The hydraulic cylinder is started to work, the guide plate, the guide block and the fixing rod which are arranged in a matched mode drive the hole pressing plate to move downwards till the ejector pin at the bottom of the hole pressing plate makes contact with master batches on the surface of the hole opening plate, and therefore the master batches can be extruded through the hole opening plate which is arranged in a matched mode; therefore, the ejector pins on the surface of the hole opening plate and the ejector pins at the bottom of the hole pressing plate can prick master batches, the surface area of the master batches is increased, when the master batches flow on the material guide plate, the master batches cannot be hindered, and the material guide plate is practical and suitable for being widely popularized and used.

Description

Technical Field

[0001] The utility model belongs to the technical field of masterbatch processing, and specifically relates to a die head for preparing porous antimony trioxide masterbatch. Background Art

[0002] Antimony trioxide masterbatch is a new type of environmentally friendly flame retardant masterbatch. This product is made of antimony trioxide that has been efficiently activated as the main body and resin as the carrier. It is mixed and granulated by a special twin-screw extruder unit. During the production of antimony trioxide masterbatch, specific equipment is required for granulation.

[0003] A search of CN219360256U discloses a die for preparing porous antimony trioxide masterbatch, comprising: a die, fixedly arranged at one end of an antimony trioxide masterbatch manufacturing device body, and a guide plate is arranged at one end of the die away from the antimony trioxide masterbatch manufacturing device body; a perforated plate, clamped at the bottom of the guide plate, and a pin is arranged on the upper surface of the perforated plate; an extrusion roller, arranged just above the perforated plate, and the extrusion roller is rotatably arranged inside the guide plate; the beneficial effects are: a unique discharge port guide structure, compared with a traditional discharge port, plastic particles will roll down to the upper surface of the perforated plate after being produced, thereby being squeezed by the pins on the upper surface of the perforated plate and the pins on the surface of the extrusion roller, and the surface of the squeezed particles will be porous, thereby increasing the surface area of ​​the particles.

[0004] However, the inventors have discovered that this technical solution still has at least the following defects:

[0005] In the above device, the masterbatch is squeezed by the ejector pins on the upper surface of the perforated plate and the ejector pins on the surface of the extrusion roller, so that the surface of the extruded masterbatch becomes porous, thereby increasing the surface area of ​​the masterbatch. However, the support plate and the motor used to drive the extrusion roller to rotate will hinder the flow of the masterbatch, resulting in the masterbatch being blocked by the support plate when it is guided on the guide plate, which is not conducive to the smooth flow of the masterbatch.

[0006] In view of this, the present utility model is proposed. Utility Model Content

[0007] In order to solve the technical problem that the support plate and the motor used to drive the extrusion roller to rotate will hinder the masterbatch when it flows, resulting in the masterbatch being blocked by the support plate when it is guided on the guide plate, which is not conducive to the smooth flow of the masterbatch, the basic concept of the technical solution adopted by the utility model is:

[0008] A die for preparing porous antimony trioxide masterbatch, comprising a die body, a guide plate fixedly mounted on the outer wall of the bottom end of the die body, a symmetrically arranged baffle fixedly connected to the top outer wall of the guide plate, guide plates fixedly connected to the top outer walls of the two baffles, guide blocks slidably arranged on the outer walls of the two guide plates, symmetrically arranged L-shaped fixing rods fixedly connected to the outer walls on opposite sides of the two guide blocks, the bottom ends of the two fixing rods fixedly connected to the same perforated plate, the perforated plate being located above the guide plate, the top ends of the two guide plates fixedly connected to the same fixing plate, the top outer wall of the fixing plate fixedly connected to a hydraulic cylinder, the piston rod of the hydraulic cylinder passes through the fixing plate and is connected to the outer wall of the middle portion of the top of the perforated plate.

[0009] As a preferred embodiment of the utility model, a mounting groove is provided on one side of the top of the guide plate, and a perforated plate is slidably provided on the inner wall of the mounting groove.

[0010] As a preferred embodiment of the utility model, the perforated plate is located directly above the perforated plate, and ejector pins are provided on the bottom outer wall of the perforated plate and the top outer wall of the perforated plate.

[0011] As a preferred embodiment of the utility model, symmetrically arranged movable grooves are provided on both sides of the perforated plate, and wedge-shaped clamping plates are slidably connected to the inner walls of the two movable grooves.

[0012] As a preferred embodiment of the utility model, symmetrically arranged clamping slots are opened on both sides of the guide plate, the two clamping slots are communicated with the mounting slot, and the two wedge-shaped clamping plates are respectively slidably arranged on the inner walls of the two clamping slots.

[0013] As a preferred embodiment of the utility model, the inner walls of one side of the two movable grooves are connected with compression springs, and one end of the two compression springs is respectively connected to the outer walls of one side of the two wedge-shaped clamping plates.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] According to the utility model, the masterbatch is extruded from the interior of the die body and falls on the guide plate, so that the masterbatch contacts the ejector pins on the surface of the perforated plate, and then the hydraulic cylinder is started to work, and the guide plate, the guide block and the fixed rod arranged in cooperation drive the perforated plate to move downward, until the ejector pins at the bottom of the perforated plate contact the masterbatch on the surface of the perforated plate, so that the perforated plate arranged in cooperation can extrude the masterbatch, so that the ejector pins on the surface of the perforated plate and the ejector pins at the bottom of the perforated plate can pierce the masterbatch, thereby increasing the surface area of ​​the masterbatch, and when the masterbatch flows on the guide plate, it will not cause obstruction to the masterbatch, thereby ensuring that the masterbatch can flow smoothly.

[0016] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In the attached picture:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 3 It is a partial cross-sectional structural schematic diagram of the material guide plate and the perforated plate of the utility model;

[0021] Figure 4 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 5 This is a schematic diagram of the wedge-shaped clamping plate structure of the utility model.

[0023] In the figure: 1. die body; 2. material guide plate; 3. baffle; 4. mounting groove; 5. perforated plate; 6. guide plate; 7. guide block; 8. perforated plate; 9. fixed plate; 10. hydraulic cylinder; 11. fixed rod; 12. movable groove; 13. wedge-shaped clamping plate; 14. clamping notch; 15. compression spring. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0025] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0026] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0027] like Figures 1 to 5 Shown

[0028] A die for preparing porous antimony trioxide masterbatch comprises a die body 1, a guide plate 2 is fixedly installed on the outer wall of the bottom end of the die body 1, the masterbatch is extruded from the inside of the die body 1 and falls on the guide plate 2, a symmetrically arranged baffle 3 is fixedly connected to the top outer wall of the guide plate 2, two baffles 3 are fixedly connected to the top outer walls with guide plates 6, two guide plates 6 are slidably provided with guide blocks 7 on the outer walls, two guide blocks 7 are fixedly connected to the outer walls on the opposite sides with symmetrically arranged L-shaped fixed rods 11, the bottom ends of the two fixed rods 11 are fixedly connected to the same perforated plate 8, the perforated plate 8 is located above the guide plate 2, the top ends of the two guide plates 6 are fixedly connected to the same fixed plate 9, the top outer wall of the fixed plate 9 is fixedly connected to a hydraulic cylinder 10, the piston rod of the hydraulic cylinder 10 passes through the fixed plate 9 and is connected to the outer wall of the middle part of the top of the perforated plate 8.

[0029] In a specific embodiment, a mounting groove 4 is provided on one side of the top of the guide plate 2, and a perforated plate 5 is slidably provided on the inner wall of the mounting groove 4. The perforated plate 8 is located directly above the perforated plate 5, and the outer wall at the bottom of the perforated plate 8 and the outer wall at the top of the perforated plate 5 are provided with ejectors. The masterbatch dropped on the guide plate 2 contacts the ejectors on the surface of the perforated plate 5, and then the hydraulic cylinder 10 is started to work, and the guide plate 6, guide block 7 and fixing rod 11 provided in cooperation drive the perforated plate 8 to move downward until the ejectors at the bottom of the perforated plate 8 contact the masterbatch on the surface of the perforated plate 5, so that the perforated plate 5 provided in cooperation can extrude the masterbatch, so that the ejectors on the surface of the perforated plate 5 and the ejectors at the bottom of the perforated plate 8 can pierce the masterbatch, thereby increasing the surface area of ​​the masterbatch. The perforated plate 5 is provided with symmetrically arranged movable grooves 12 on both sides. The inner walls of the two movable grooves 12 are slidably connected with wedge-shaped clamping plates 13, and symmetrical clamping slots 14 are provided on both sides of the guide plate 2. The two clamping slots 14 are communicated with the mounting slot 4, and the two wedge-shaped clamping plates 13 are respectively slidably set on the inner walls of the two clamping slots 14. The inner walls of one side of the two movable grooves 12 are connected with compression springs 15, and one end of the two compression springs 15 is respectively connected to the outer wall of one side of the two wedge-shaped clamping plates 13. When the perforated plate 5 needs to be replaced, the two wedge-shaped clamping plates 13 are pushed to move relative to each other until the two wedge-shaped clamping plates 13 are respectively disengaged from the two clamping slots 14, and the two wedge-shaped clamping plates 13 are respectively moved to the inner sides of the two movable grooves 12, and then the perforated plate 5 is pulled to slide in the mounting slot 4 until the perforated plate 5 is moved out of the mounting slot 4, and the perforated plate 5 can be replaced.

[0030] The implementation principle of a die head for preparing porous antimony trioxide masterbatch in this embodiment is as follows:

[0031] During specific use, the masterbatch is extruded from the inside of the die body 1 and falls on the guide plate 2, so that the masterbatch contacts the ejector pins on the surface of the perforated plate 5, and then the hydraulic cylinder 10 is started to work, and the guide plate 6, guide block 7 and fixed rod 11 provided in cooperation drive the perforated plate 8 to move downward until the ejector pins at the bottom of the perforated plate 8 contact the masterbatch on the surface of the perforated plate 5, so that the perforated plate 5 provided in cooperation can be used to extrude the masterbatch, so that the ejector pins on the surface of the perforated plate 5 and the ejector pins at the bottom of the perforated plate 8 can pierce the masterbatch, thereby increasing the surface area of ​​the masterbatch. When the perforated plate 5 needs to be replaced, the two wedge-shaped clamping plates 13 are pushed to move relative to each other until the two wedge-shaped clamping plates 13 are respectively disengaged from the two clamping notches 14, and the two wedge-shaped clamping plates 13 are respectively moved to the inner sides of the two movable grooves 12, and then the perforated plate 5 is pulled to slide in the mounting groove 4 until the perforated plate 5 is moved out of the mounting groove 4, and the perforated plate 5 can be replaced.

Claims

1. A die for preparing porous antimony trioxide masterbatch, comprising a die body (1), characterized in that: A guide plate (2) is fixedly mounted on the outer wall of the bottom end of the die body (1); a symmetrically arranged baffle plate (3) is fixedly connected to the top outer wall of the guide plate (2); guide plates (6) are fixedly connected to the top outer walls of the two baffle plates (3); guide blocks (7) are slidably arranged on the outer walls of the two guide plates (6); fixed rods (11) of symmetrically arranged L-shaped structures are fixedly connected to the outer walls on opposite sides of the two guide blocks (7); the bottom ends of the two fixed rods (11) are fixedly connected to the same perforated plate (8); the perforated plate (8) is located above the guide plate (2); the top ends of the two guide plates (6) are fixedly connected to the same fixed plate (9); the top outer wall of the fixed plate (9) is fixedly connected to a hydraulic cylinder (10); the piston rod of the hydraulic cylinder (10) passes through the fixed plate (9) and is connected to the outer wall of the middle part of the top of the perforated plate (8).

2. A die head for preparing porous antimony trioxide masterbatch according to claim 1, characterized in that: A mounting groove (4) is provided on one side of the top of the guide plate (2), and a perforated plate (5) is slidably provided on the inner wall of the mounting groove (4).

3. A die head for preparing porous antimony trioxide masterbatch according to claim 2, characterized in that: The pressure plate (8) is located directly above the perforated plate (5), and ejector pins are provided on the bottom outer wall of the pressure plate (8) and the top outer wall of the perforated plate (5).

4. A die head for preparing porous antimony trioxide masterbatch according to claim 3, characterized in that: The perforated plate (5) is provided with symmetrically arranged movable grooves (12) on both sides, and the inner walls of the two movable grooves (12) are both slidably connected with wedge-shaped clamping plates (13).

5. A die head for preparing porous antimony trioxide masterbatch according to claim 4, characterized in that: Symmetrically arranged clamping notches (14) are provided on both sides of the guide plate (2), the two clamping notches (14) are both connected to the mounting groove (4), and the two wedge-shaped clamping plates (13) are respectively slidably arranged on the inner walls of the two clamping notches (14).

6. A die head for preparing porous antimony trioxide masterbatch according to claim 5, characterized in that: The inner walls of one side of the two movable grooves (12) are both connected to compression springs (15), and one end of the two compression springs (15) is respectively connected to the outer walls of one side of the two wedge-shaped clamping plates (13).

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