Box type hot bending forming machine

Abstract

The invention provides a box type hot bending forming machine which comprises a forming machine box body, a hot bending forming cavity is formed in the forming machine box body, an equipment supporting base is arranged at the lower end of the hot bending forming cavity, and an upper forming mold and a lower forming mold are arranged in the hot bending forming cavity on the upper side of the equipment supporting base. Cooling water pipes are arranged on the upper forming die and the lower forming die, heating devices are arranged in the hot bending forming cavity on the outer sides of the upper forming die and the lower forming die, a plurality of heat circulation devices are arranged at the top of the forming machine box body, and a plurality of hot air circulation adjustable guide plates are arranged in the hot bending forming cavity. A plurality of heat circulation devices are arranged at the top of the box body of the forming machine, and a plurality of hot air circulation adjustable guide plates are arranged in the hot bending forming cavity, so that the hot bending forming cavity can be uniformly heated, and the product quality is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of material production equipment, in particular to a box-type hot bending forming machine. Background Art

[0002] Transparent PC sheet is a plastic sheet made of polycarbonate (PC). It has the characteristics of high transparency, good impact resistance, and strong UV resistance, so it is widely used in electronics, construction, automobiles and other fields. Transparent PC sheet can be made into products of various shapes and sizes by cutting and drilling, such as billboards, lampshades, car logos, etc.

[0003] A Chinese patent discloses a hot bending forming machine (application number 202222041539.4), in which two hot bending chambers are fixedly installed on the top of a fixed base plate, a punch is fixedly installed on the inner top of the hot bending chamber by preset bolts, an electric telescopic rod is fixedly installed on the inner bottom of the hot bending chamber, a lifting plate is welded on the top of the electric telescopic rod, a heating plate is fixedly installed on the top of the lifting plate, a placement block is fixedly installed on the upper surface of the heating plate, a placement groove is provided inside the placement block, a concave mold is abutted inside the placement groove, and threaded rods are rotatably connected at both ends of the bottom of the lifting plate, which heats unevenly, resulting in uneven strength of the plate after forming, affecting product quality. Summary of the invention

[0004] The technical problem solved by the present invention is to provide a box-type hot bending forming machine to solve the problems raised in the above background technology.

[0005] The technical problem solved by the present invention is achieved by adopting the following technical scheme: a box-type hot bending forming machine, comprising: a forming machine box body, a hot bending forming cavity is arranged in the forming machine box body, a device support base is arranged at the lower end of the hot bending forming cavity, an upper forming mold and a lower forming mold are arranged in the hot bending forming cavity on the upper side of the equipment support base, the upper forming mold and the lower forming mold are arranged opposite to each other, a cooling and heating system is arranged on the upper forming mold and the lower forming mold, a heating device is arranged in the hot bending forming cavity outside the upper forming mold and the lower forming mold, a plurality of heat circulation devices are arranged on the top of the forming machine box body, and a plurality of hot air circulation adjustable guide plates are arranged in the hot bending forming cavity.

[0006] Furthermore, the molding machine housing is a square outer and circular inner structure.

[0007] Furthermore, the upper end of the upper molding die is installed on the top of the molding machine box through an upper mold driving device, and the lower molding die is installed on the equipment support base.

[0008] Furthermore, both ends of the upper molding die are provided with lifting guide sleeves, a lifting guide tube is provided inside the lifting guide sleeves, and both ends of the lifting guide tube are mounted on the molding machine housing.

[0009] Furthermore, the molding machine case is provided with case doors on both the front and rear sides, one side of the case door is mounted on the molding machine case via a fixed hinge, and the other side of the case door is mounted on the molding machine case via a fixed lock.

[0010] Furthermore, the molding machine housing is a hollow structure, and the molding machine housing is filled with a heat-insulating layer.

[0011] Furthermore, the heating system is a gas heating system or an electric heating system to achieve a heating effect, and the heat circulation device includes a guide plate and a cyclone device to allow hot air to circulate in the box for uniform heating.

[0012] Furthermore, the upper mold driving device is a mechanical lifting driving device, and the cooling system in the cooling and heating system is a copper tube embedded in the upper and lower clamps, and the copper tube is connected to an external water pump through a hose, and hot water or cold water can be passed for cooling.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: a plurality of heat circulation devices are arranged on the top of the molding machine case of the present invention, and a plurality of hot air circulation adjustable guide plates are arranged in the hot bending molding cavity, which can realize uniform heating of the hot bending molding cavity and ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 It is a schematic top view of the present invention.

[0016] Figure 3 It is a schematic diagram of a right side view of the present invention. DETAILED DESCRIPTION

[0017] In order to make the technical means for realizing the present invention, the creative features, the objectives and effects to be achieved easy to understand, the present invention is further explained below in conjunction with specific diagrams. In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or an integral connection can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be internal communication between two components. Example 1

[0018] like Figures 1 to 3As shown, the box-type hot bending forming machine comprises: a forming machine box 1, a hot bending forming cavity is arranged in the forming machine box 1, a device support base is arranged at the lower end of the hot bending forming cavity, an upper forming mold 2 and a lower forming mold 3 are arranged in the hot bending forming cavity on the upper side of the device support base, the upper forming mold 2 and the lower forming mold 3 are arranged relatively, a cooling and heating system 4 is arranged on the upper forming mold 2 and the lower forming mold 3, a heating device 6 is arranged in the hot bending forming cavity outside the upper forming mold 2 and the lower forming mold 3, a plurality of heat circulation devices 8 are arranged on the top of the forming machine box 1, and a plurality of hot air circulation adjustable guide plates 9 (cyclone devices) are arranged in the hot bending forming cavity. The upper end of the upper forming mold 2 is installed on the top of the forming machine box 1 through the upper mold driving device 5, and the lower forming mold 3 is installed on the device support base, and the forming machine box is a square outside and round inside structure. Example 2

[0019] like Figures 1 to 3 As shown, the box-type hot bending forming machine comprises: a forming machine box 1, a hot bending forming cavity is arranged in the forming machine box 1, a device support base is arranged at the lower end of the hot bending forming cavity, an upper forming mold 2 and a lower forming mold 3 are arranged in the hot bending forming cavity on the upper side of the device support base, the upper forming mold 2 and the lower forming mold 3 are arranged relatively, a cooling and heating system 4 is arranged on the upper forming mold 2 and the lower forming mold 3, a heating device 6 is arranged in the hot bending forming cavity outside the upper forming mold 2 and the lower forming mold 3, a plurality of heat circulation devices 8 are arranged on the top of the forming machine box 1, and a plurality of hot air circulation adjustable guide plates 9 (cyclone devices) are arranged in the hot bending forming cavity. The upper forming mold 2 is provided with lifting guide sleeves 7 at both ends, and a lifting guide tube is arranged in the lifting guide sleeve, and the two ends of the lifting guide tube are installed on the forming machine box 1. Example 3

[0020] like Figures 1 to 3 As shown, the box-type hot bending forming machine comprises: a forming machine box 1, a hot bending forming cavity is arranged in the forming machine box 1, a device support base is arranged at the lower end of the hot bending forming cavity, an upper forming mold 2 and a lower forming mold 3 are arranged in the hot bending forming cavity on the upper side of the device support base, the upper forming mold 2 and the lower forming mold 3 are arranged relatively, a cooling and heating system 4 is arranged on the upper forming mold 2 and the lower forming mold 3, a heating device 6 is arranged in the hot bending forming cavity outside the upper forming mold 2 and the lower forming mold 3, a plurality of heat circulation devices 8 are arranged on the top of the forming machine box 1, and a plurality of hot air circulation adjustable guide plates 9 (cyclone devices) are arranged in the hot bending forming cavity. The forming machine box 1 is provided with box doors on the front and rear sides, one side of the box door is mounted on the forming machine box 1 by a fixed hinge, and the other side is mounted on the forming machine box 1 by a fixed lock. Example 4

[0021] like Figures 1 to 3 As shown, the box-type hot bending forming machine comprises: a forming machine box 1, a hot bending forming cavity is arranged in the forming machine box 1, a device support base is arranged at the lower end of the hot bending forming cavity, an upper forming mold 2 and a lower forming mold 3 are arranged in the hot bending forming cavity on the upper side of the device support base, the upper forming mold 2 and the lower forming mold 3 are arranged relatively, a cooling water pipe 4 is arranged on the upper forming mold 2 and the lower forming mold 3, a heating device 6 is arranged in the hot bending forming cavity outside the upper forming mold 2 and the lower forming mold 3, a plurality of heat circulation devices 8 are arranged on the top of the forming machine box 1, and a plurality of hot air circulation adjustable guide plates 9 (cyclone devices) are arranged in the hot bending forming cavity. The forming machine box 1 is a hollow structure, and the forming machine box 1 is filled with a heat preservation layer.

[0022] The heating system of the present invention can achieve the heating effect through gas or electricity. The uniform heating system includes other structures such as guide plates to make the hot air circulate in the box and heat evenly. Lifting system: Mechanical lifting is used here, not hydraulic, because the maximum internal temperature is around 200 degrees. The cooling system is a copper tube embedded in the upper and lower clamps. The copper tube is connected to the external water pump through a hose, and hot water or cold water can be used for cooling.

[0023] The working method of the present invention is to open the doors on both sides of the molding machine case 1, put the polycarbonate board between the upper molding mold and the lower molding mold, and then close the upper molding mold with the lower molding mold through the upper mold driving device, and then heat the upper molding mold and the lower molding mold through the heating device, and at the same time, the hot bending molding cavity is evenly heated by the thermal circulation device. At this time, the upper molding mold and the lower molding mold are extruded and molded, and then the molded PC board is cooled by the cooling water pipes on the upper molding mold and the lower molding mold. The cooled PC board is separated from the upper molding mold and the lower molding mold by the upper mold driving device, and then the molded PC board can be taken out.

[0024] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. Box type hot bending forming machine, including: A molding machine case (1) is characterized in that: a hot bending molding cavity is provided in the molding machine case (1), a device support base is provided at the lower end of the hot bending molding cavity, an upper molding die (2) and a lower molding die (3) are provided in the hot bending molding cavity on the upper side of the device support base, the upper molding die (2) and the lower molding die (3) are arranged relative to each other, a cooling and heating system (4) is provided on the upper molding die (2) and the lower molding die (3), a heating device (6) is provided in the hot bending molding cavity outside the upper molding die (2) and the lower molding die (3), a plurality of heat circulation devices (8) are provided on the top of the molding machine case (1), and a plurality of hot air circulation adjustable guide plates (9) are provided in the hot bending molding cavity.

2. The box-type hot bending forming machine according to claim 1, characterized in that: The molding machine case is a square outer and round inner structure.

3. The box-type hot bending forming machine according to claim 1, characterized in that: The upper end of the upper molding die (2) is mounted on the top of the molding machine housing (1) via an upper mold driving device (5), and the lower molding die (3) is mounted on a device support base.

4. The box-type hot bending forming machine according to claim 1, characterized in that: The upper molding die (2) is provided with lifting guide sleeves (7) at both ends, a lifting guide tube is provided inside the lifting guide sleeve, and both ends of the lifting guide tube are mounted on the molding machine housing (1).

5. The box-type hot bending forming machine according to claim 1, characterized in that: The molding machine case (1) is provided with case doors on both the front and rear sides; one side of the case door is mounted on the molding machine case (1) via a fixed hinge, and the other side of the case door is mounted on the molding machine case (1) via a fixed lock.

6. The box-type hot bending forming machine according to claim 1, characterized in that: The molding machine housing (1) is a hollow structure, and a heat-insulating layer is filled in the molding machine housing (1).

7. The box-type hot bending forming machine according to claim 1, characterized in that: The heating system is a gas heating system or an electric heating system to achieve the heating effect. The heat circulation device includes a guide plate and a cyclone device to allow hot air to circulate in the box for uniform heating.

8. The box-type hot bending forming machine according to claim 1, characterized in that: The upper mold driving device is a mechanical lifting driving device. The cooling system in the cooling and heating system is a copper tube embedded in the upper and lower clamps. The copper tube is connected to an external water pump through a hose, and hot water or cold water is passed for cooling.

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