CN211892013U - A compression molding die for preparing TPU film - Google Patents

Abstract

The utility model discloses a press-forming mould for preparing TPU film, belonging to the field of TPU film production devices. The outer side of the column is slidably sleeved with a first spring, the upper end of the support column is fixedly welded with a support seat, the upper end surface of the support seat is tightened with screws and fixedly installed with a hydraulic press, and the hydraulic rod of the hydraulic press is fixed and welded with a connecting rod, which is used for preparing TPU For the pressing and forming die of the film, by turning the nut counterclockwise and moving it upward, it is convenient to remove and replace the knife-edge plate downward. The design of the nut can limit the position of the connecting plate to prevent the pressure plate from overpressure and damage the parts; press down through the connecting plate Drive the positioning pin, the pressure plate and the rubber layer to press down, and drive the knife edge plate to cut the TPU film, realize the integration of pressing and cutting, and greatly improve the production efficiency. The design of the rubber layer and the second spring can protect the parts and prevent them from being pressed by the pressure plate. combined damage.

Description

A compression molding die for preparing TPU film

technical field

The utility model relates to the field of TPU film production devices, in particular to a press-forming mold for preparing TPU films.

Background technique

TPU is a thermoplastic TPU elastomer. It is made of MDI containing NCO functional group and POLYOL and 1.4BG containing OH functional group by extrusion and mixing. Due to its good elasticity, good physical properties and various mechanical strengths, it is Therefore, it is widely used in processing methods such as injection, extrusion, calendering and dissolving into solution-based resins. It is a plastic material often used by plastic processors, and its products cover the range of industrial applications and civilian necessities.

Existing press forming molds for preparing TPU films use hydraulic presses to drive press plates to press TPU films and parts forming methods. However, the press-fitted TPU films require manual cutting of excess TPU films later, which seriously affects work efficiency. At the same time, the knife-edge plate In order to fix the structure of the welded connection plate, the overall TPU film pressing and forming mold can only be pressed into the same style separately, which is inconvenient to disassemble and replace the knife-edge plate. Therefore, there is a need for improvements to the prior art.

Utility model content

In view of the problems existing in the prior art, the purpose of this utility model is to provide a press-forming mold for preparing TPU film, which rotates the nut counterclockwise and moves it upward, so as to facilitate the downward removal and replacement of the knife-edge plate, the nut The designed design can limit the connecting plate to prevent the pressure plate from over-pressure and damage the parts; the positioning pin, the pressure plate and the rubber layer are pressed down by the connecting plate, and the knife-edge plate is driven to cut the TPU film to realize the integration of pressing and cutting. The production efficiency is greatly improved, and the design of the rubber layer and the second spring can protect the parts from damage to the pressure plate.

In order to solve the above problems, the present invention adopts the following technical solutions.

A compression molding die for preparing a TPU film, comprising a base, two sides of the base are fixedly welded with support columns, the outer sides of the support columns are threadedly connected with nuts, and the outer sides of the support columns are slidably sleeved. There is a first spring, a support seat is fixedly welded on the upper end of the support column, a hydraulic press is fixedly installed on the upper end surface of the support seat by screwing, the hydraulic rod of the hydraulic press is fixedly welded with a connecting rod, and the upper part of the base is fixedly welded with a connecting rod. Parts are placed on the end face, the lower end of the connecting rod is fixedly welded with a connecting plate, two sides of the connecting plate are slidably sleeved with support columns, the inside of the connecting plate is drilled with through holes, and the inner sleeves of the through holes are sleeved. A screw is connected, the upper end of the screw is connected with a nut through a thread, a knife-edge plate is fixedly welded to the lower end of the screw, a hollow structure is opened in the middle of the knife-edge plate, and a pressure plate is sleeved inside the hollow structure. The lower end of the pressure plate is fixedly welded with a rubber layer, the lower end surface of the rubber layer is pressed with parts, the inside of the pressure plate and the rubber layer is drilled with ventilation holes, the upper end surface of the pressure plate is fixedly welded with a positioning pin, the positioning pin A second spring is slidably sleeved on the outer side of the connecting plate, and a positioning pin is slidably sleeved on the inner side of the connecting plate. This press-forming mold for preparing the TPU film can be removed and replaced by turning the nut counterclockwise and moving it upwards. The design of the knife-edge plate and the nut can limit the connecting plate to prevent the pressure plate from over-pressure and damage the parts; the positioning pin, the pressure plate and the rubber layer are pressed down by the connecting plate, and the knife-edge plate is driven to cut the TPU film. The integration of cutting can greatly improve the production efficiency. The design of the rubber layer and the second spring can protect the parts and prevent the pressure plate from being damaged by pressing.

Further, the lower end face of the nut is in close contact with the upper end face of the connecting plate, and by rotating the nut counterclockwise and moving it upward, it is convenient to remove and replace the knife edge plate downward.

Further, the upper end of the nut is fixedly connected to the first spring, and the design of the nut can limit the position of the connecting plate to prevent the pressure plate from being over-pressured and damaging the parts.

Further, the outer surface of the positioning pin is coated with lubricating oil, and the positioning pin, the pressure plate and the rubber layer are pressed down by the connecting plate, and the knife edge plate is driven to cut the TPU film, so as to realize the integration of pressing and cutting, and greatly improve the production. efficiency.

Further, the lower end of the second spring is fixedly connected to the upper surface of the pressure plate, and the design of the rubber layer and the second spring can protect the parts and prevent the pressure plate from being damaged by pressing.

Compared with the prior art, the advantages of the present utility model are:

(1) In this scheme, by turning the nut counterclockwise and moving it upward, it is convenient to remove and replace the blade plate. The design of the nut can limit the connection plate to prevent the pressure plate from being over-pressured and damage the parts; the connection plate is pressed down to drive the positioning. The pin, the pressing plate and the rubber layer are pressed down to drive the knife-edge plate to cut the TPU film, realizing the integration of pressing and cutting, and greatly improving the production efficiency. damage.

(2) The lower end surface of the nut is close to the upper surface of the connecting plate. By turning the nut counterclockwise and moving it upward, it is convenient to remove and replace the knife edge plate downward.

(3) The upper end of the nut is fixedly connected to the first spring, and the design of the nut can limit the position of the connecting plate to prevent the pressure plate from overpressure and damage to the parts.

(4) The outer surface of the positioning pin is coated with lubricating oil, and the positioning pin, the pressure plate and the rubber layer are pressed down by the connecting plate, and the knife edge plate is driven to cut the TPU film, so as to realize the integration of pressing and cutting, and greatly improve the production efficiency.

(5) The lower end of the second spring is fixedly connected to the upper surface of the pressure plate. The design of the rubber layer and the second spring can protect the parts and prevent the pressure plate from being damaged by pressing.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the enlarged cross-sectional view of the utility model A;

FIG. 3 is an enlarged perspective view of the knife edge plate of the present invention.

Description of the labels in the figure:

1 base, 11 support column, 12 nut, 13 first spring, 14 support seat, 15 hydraulic press, 16 connecting rod, 17 parts, 2 connecting plate, 21 through hole, 22 screw, 23 nut, 24 knife edge plate, 25 hollow Structure, 26 pressure plate, 27 rubber layer, 28 ventilation hole, 29 positioning pin, 210 second spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Please refer to Fig. 1-3, a press-molding mold for preparing TPU film, including a base 1, two sides of the base 1 are fixedly welded with support columns 11, the outer side of the support column 11 is threadedly connected with a nut 12, supporting The outer side of the column 11 is slidably sleeved with a first spring 13, the upper end of the support column 11 is fixedly welded with a support seat 14, and the upper end surface of the support seat 14 is screwed and fixedly installed with a hydraulic press 15. The model of the hydraulic press 15 is 5Ln4fD, which belongs to the current In the prior art, the hydraulic press 15 is connected to a manual oil pressure device through an oil pipe, a connecting rod 16 is fixedly welded to the hydraulic rod of the hydraulic press 15, a part 17 is placed on the upper end surface of the base 1, and a connecting plate 2 is fixedly welded to the lower end of the connecting rod 16. Two sides of the two sides of the 2 are slidably sleeved with the support column 11, the connecting plate 2 has a through hole 21 drilled inside, the through hole 21 is sleeved with a screw 22, the upper end of the screw 22 is threadedly connected with a nut 23, and the lower end of the screw 22 A knife-edge plate 24 is fixedly welded, a hollow structure 25 is opened in the middle of the knife-edge plate 24, a pressure plate 26 is sleeved inside the hollow structure 25, a rubber layer 27 is fixedly welded on the lower end of the pressure plate 26, and the lower end surface of the rubber layer 27 is pressed with parts 17. A vent hole 28 is drilled inside the pressure plate 26 and the rubber layer 27. The upper end surface of the pressure plate 26 is fixedly welded with a positioning pin 29. The outer side of the positioning pin 29 is slidably sleeved with a second spring 210, and the inner side of the connecting plate 2 is slidably sleeved. There are positioning pins 29.

Please refer to Figure 1-2. The lower end of the nut 23 is close to the upper end of the connecting plate 2. By turning the nut 23 counterclockwise and moving it upward, it is convenient to remove and replace the blade plate 24. The upper end of the nut 12 is fixedly connected to the first spring. 13. The design of the nut 12 can limit the position of the connecting plate 2 to prevent the pressure plate 26 from being over-pressured and damaging the parts 17 .

Please refer to Fig. 1-3, the outer surface of the positioning pin 29 is coated with lubricating oil, and the positioning pin 29, the pressing plate 26 and the rubber layer 27 are pressed down by the connecting plate 2, and the knife edge plate 24 is driven to cut the TPU film to realize the pressing and bonding. The cutting is integrated, which greatly improves the production efficiency. The lower end of the second spring 210 is fixedly connected to the upper end surface of the pressure plate 26. The design of the rubber layer 27 and the second spring 210 can protect the part 17 and prevent the pressure plate 26 from being damaged by pressing.

The pressing and forming mold for preparing TPU film, by rotating the nut 23 counterclockwise, and moving it upward, it is convenient to remove and replace the knife edge plate 24 downward, and the hydraulic press 15 drives the connecting rod 16 to move, and drives the connecting plate 2 to press down to drive the positioning. The pin 29, the pressing plate 26 and the rubber layer 27 are pressed down to drive the knife-edge plate 24 to cut the TPU film, so as to realize the integration of pressing and cutting, and greatly improve the production efficiency.

The above descriptions are only preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improvement concept, equivalently replaces or changes, should be covered within the protection scope of the present utility model.

Claims (5)

1. A pressing forming die for preparing a TPU film comprises a base (1) and is characterized in that: the support column is characterized in that support columns (11) are fixedly welded on two sides of the base (1), nuts (12) are connected on the outer sides of the support columns (11) through threads, first springs (13) are sleeved on the outer sides of the support columns (11) in a sliding mode, support seats (14) are fixedly welded on the upper ends of the support columns (11), hydraulic machines (15) are fixedly installed on the upper end faces of the support seats (14) through screw tightening, connecting rods (16) are welded on the hydraulic rods of the hydraulic machines (15) in a fixed mode, parts (17) are placed on the upper end faces of the base (1), connecting plates (2) are fixedly welded on the lower ends of the connecting rods (16), the support columns (11) are sleeved on the two inner sides of the connecting plates (2) in a sliding mode, through holes (21) are drilled in the connecting plates (2), screw rods (22) are sleeved on the inner portions of the, the fixed welding of lower extreme of screw rod (22) has sword mouth board (24), open at the middle part of sword mouth board (24) has hollow structure (25), clamp plate (26) have been cup jointed to the inside of hollow structure (25), the fixed butt fusion of lower extreme of clamp plate (26) has rubber layer (27), the lower terminal surface of rubber layer (27) is compressed tightly has part (17), the inside of clamp plate (26) and rubber layer (27) is bored has bleeder vent (28), the fixed welding of the up end of clamp plate (26) has locating pin (29), the outside slip of locating pin (29) has cup jointed second spring (210), the inside slip of connecting plate (2) has cup jointed locating pin (29).

2. The press-molding die for producing a TPU film according to claim 1, wherein: the lower end face of the nut (23) is tightly attached to the upper end face of the connecting plate (2).

3. The press-molding die for producing a TPU film according to claim 1, wherein: the upper end of the nut (12) is fixedly connected with a first spring (13).

4. The press-molding die for producing a TPU film according to claim 1, wherein: and lubricating oil is coated on the outer surface of the positioning pin (29).

5. The press-molding die for producing a TPU film according to claim 1, wherein: the lower end of the second spring (210) is fixedly connected with the upper end surface of the pressure plate (26).

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