CN102814909B - Molding machine for foam filling material - Google Patents

Abstract

The invention discloses a molding machine for foam filling materials, which comprises a frame, a controller and a chiller; the frame includes a bottom support frame and a front support, a middle support and a rear support arranged on the bottom support frame; the bottom support frame There are cooling furnace, first heating furnace, second heating furnace, first molding mold, second molding mold, front hook plate and rear hook plate; the upper template and lower template of the first molding mold are located in the first between the upper heating plate and the lower heating plate of the heating furnace and are respectively connected with the upper and lower heating plates; , and the lower heating plate are connected. The invention has the characteristics that after the molding process, the molding sheet has the required size specifications, which facilitates the cladding of the composite material in the subsequent process; the strength, toughness, and service life of the foam filling material are effectively improved; and the product quality is significantly improved.

Description

Molding machines for foam filling materials

technical field

The invention relates to a molding machine, in particular to a molding machine for foam filling materials which can improve product quality.

Background technique

The foam filling material is flat when purchased from the manufacturer. The flat filling material is cut according to the size and shape of the foam filling material required by the product, and then wrapped with composite materials. The shape and size of the produced product are consistent with The shape and size of the product actually required varies widely.

Although the foam filling material has the advantage of light weight, it also has the disadvantages of being relatively brittle and easily broken under the impact of external force; the toughness and softness are also relatively poor.

Therefore, there is an urgent need for a molding machine that can improve the performance of foam filling materials, thereby effectively improving product quality.

Chinese Patent Authorization Announcement No.: CN1424191A, authorized announcement date June 18, 2003, discloses a molding machine, which includes: a fixed platen; a movable platen; a fixed mold supported by the fixed platen; A movable mold supported by the movable pressing plate; an opening and closing device, which includes a screw shaft connected with the movable pressing plate, and the opening and closing device rotates the screw shaft to make the movable mold approach or move away from the movable mold The fixed mold is opened and closed thereby to open and close the mold, wherein the fixed mold can be removed from the fixed platen in a direction intersecting the opening and closing direction of the movable mold. The invention is for shaping plastic materials. Therefore, the weak point of this invention is that it has a single function and cannot be used for the molding of foam filling materials.

Contents of the invention

The purpose of the present invention is to overcome the deficiency that the molding machine in the prior art cannot improve the performance of the foam filling material, and to provide a molding machine for the foam filling material that can improve product quality.

In order to achieve the above object, the present invention adopts the following technical solutions:

A molding machine for foam filling materials, including a frame, a controller and a chiller; the frame includes a bottom support frame and a front support, a middle support and a rear support set on the bottom support frame; the bottom support frame is provided with cooling furnace, the first heating furnace, the second heating furnace, the first molding die, the second molding die, the front hook plate and the rear hook plate; the upper template and the lower template of the first molding mold are located on the first heating furnace between the heating plate and the lower heating plate and are respectively connected with the upper and lower heating plates; The upper and lower heating plates of the first and second heating furnaces are respectively equipped with temperature sensors; the upper and lower templates of the first molding mold are plug-fitted, and the structure of the second molding mold is consistent with the first The structure of the plastic mold is the same;

The front bracket is provided with a first transmission device for driving the front hook plate to move up and down; the front hook plate is provided with a hook for pulling the upper heating plate of the first heating furnace to move down; the structure of the rear bracket and the front bracket Same, the rear hook plate is symmetrical to the front hook plate;

The middle bracket and the bottom support frame are respectively equipped with a second transmission device that can drive the upper cooling plate and the lower cooling plate of the cooling furnace to move up and down, and the chiller is connected to the upper and lower cooling plates through the water inlet pipe and the water outlet pipe respectively;

The lower surface of the lower template of the first and second plastic molds is provided with a supporting plate that can drive the lower template of the first and second plastic molds to move below the front bracket and the middle bracket, and the supporting plate is connected with the third transmission device. connection, the controller is respectively connected with the chiller, the first and the second heating furnace, the temperature sensor and the first, the second and the third transmission device.

The molding machine of the present invention is used for heating and cooling the foam filling material cut by laser, the strength and toughness of the foam filling material after heating and cooling will be enhanced, the shape will be slightly changed, and the softness and hardness will be changed. And the service life will be longer; thus, the quality of the finished product will be improved.

The first and second heating furnaces are used to heat the cut foam filling materials, and the cooling furnace is used to cool the heated foam filling materials. The two heating furnaces are heated and cooled alternately, which effectively improves the work efficiency. The front and rear hook plates are respectively used to drive the upper heating plates of the first and second heating furnaces to move up and down, thereby opening and closing the first and second molding molds. The heating plate is a metal plate made of aluminum, which has good thermal conductivity.

The high temperature range to which the foam filling material needs to be heated, the heating time, the low temperature value to be cooled to and the cold water temperature in the chiller are set in advance in the controller.

Add the foam filling material into the first molding mold, the controller controls the first transmission device to drive the front hook plate to move down, so that the upper and lower templates of the first molding mold are closed, and the controller controls the first heating Furnace heating.

When the temperature reaches the predetermined high temperature range, and at the same time the set heating time is up:

The controller controls the third transmission device to drive the first plastic mold to move, and sends the first plastic mold to the upper and lower cooling plates of the cooling furnace for cooling; at the same time, the foam filling material is added to the second plastic mold by tools. In the mold, under the drive of the rear hook plate, the upper and lower molds of the second plastic mold are closed, and the second heating furnace is started to be heated;

When the temperature in the second heating furnace reaches the predetermined high temperature range and the set heating time is up, the controller controls the third transmission device to drive the first molding die back to the original station, and the second molding The mold enters the upper and lower cooling plates of the cooling furnace to cool; the first transmission device controls the upper and lower templates of the first molding mold to open, and the molded foam filling material is taken out with tools.

In this way, the cycle is repeated, and the molding of the foam filling material is continuously completed.

As a preference, the lower surface of the upper template of the first molding die is provided with convex grooves protruding downwards and opening downwards, and the upper surface of the lower template of the first molding mold is provided with convex grooves corresponding to the convex grooves. groove.

The lower edge of the convex groove extends into the groove. When the mold is closed, the convex groove and the groove form a closed cavity. This structure can effectively prevent the loss of heat in the cavity.

Preferably, the first transmission device includes a vertical screw rod arranged on the front bracket and a first motor connected to the vertical screw rod on the front bracket, and the lower end of the vertical screw rod is connected to the upper surface of the front hook plate. connected.

A chain is arranged between the first motor and the vertical screw rod, and the chain cooperates with sprockets arranged on the first motor and the vertical screw rod respectively.

As a preference, the front bracket is U-shaped with the opening downward, and the front brackets on the left and right sides of the vertical screw rod are respectively provided with front guide posts, the upper ends of the front guide posts are slidingly connected with the front bracket, and the lower ends of the front guide posts are connected with the front brackets. The upper surface of the front hook plate is connected.

The setting of the front guide column makes the front hook more stable when moving up and down, without tilting and offsetting, ensuring the precision of the mold.

As a preference, the second transmission device arranged on the middle support includes a first hydraulic cylinder and an upper pressing plate arranged at the lower end of the piston rod of the first hydraulic oil cylinder, the lower surface of the upper pressing plate is connected with the upper cooling plate; The upper second transmission device includes a second hydraulic oil cylinder and a lower pressing plate arranged at the upper end of the piston rod of the second hydraulic oil cylinder, and the upper surface of the lower pressing plate is connected with the lower cooling plate.

As preferably, upper guide columns are respectively provided on the left and right middle brackets of the first hydraulic cylinder, and lower guide columns are respectively provided on the bottom support frames of the left and right sides of the second hydraulic cylinder, and the upper and lower pressure plates Both are rectangular, the upper surface of the upper platen is provided with two circular holes matching with the upper guide column, and the lower surface of the lower platen is respectively provided with two circular holes matching with the lower guide column.

The setting of this structure ensures that the upper and lower pressing plates are guided when they move up and down, and will not tilt and deviate and damage the mold.

As a preference, the third transmission device includes a second motor connected to the horizontal screw rod which is arranged on the bottom support frame and passes through the front bracket, the middle bracket and the second motor connected with the screw rod; Supporting plate, the left supporting plate and the right supporting plate are respectively located on the left and right edges of the lower formwork of the first and second plastic molds, and a connecting piece is arranged between the lower surfaces of the left and right supporting plate, and the connecting piece and the wire The rod is rotatably connected, and the left and right supporting plates are respectively slidably connected with the left guide rod and the right guide rod which are arranged on the bottom support frame on the left and right sides of the screw mandrel and are parallel to the screw mandrel.

The third transmission device of this structure has the characteristics of more stable movement.

As a preference, the left and right supporting plates are square steel pipe structures, the lower surface of the left supporting plate is provided with several left fixing parts, and the lower surface of the right supporting plate is provided with several right fixing parts, and the left and right fixing parts The parts are respectively slidably connected with the left and right guide rods.

Preferably, the upper and lower heating plates include several electric heating tubes arranged at equal intervals.

Preferably, the front hook plate comprises a rectangular plate, front extension arms arranged on the left and right parts of the front surface of the rectangular plate, and rear extension arms arranged on the left and right sides of the rectangular plate, and the hooks include front hooks and Rear hook; front hook is made of front extension arm and the extension block that is located at the lower end of the front extension arm and extends horizontally backward; the rear hook is made of rear extension arm and the extension block that is arranged at the rear extension arm lower end; The left and right sides of the upper template of the first and second plastic molds are respectively provided with rectangular protrusions matched with the hooks of the rear extension arms.

Therefore, the present invention has the following beneficial effects: (1) After plastic processing, the appearance shape and curvature of the foam filling material are consistent with the product, and the strength, toughness, and service life are effectively improved; (2) The softness and hardness of the foam filling material (3) The plastic molds work alternately, which effectively improves the work efficiency; (4) The product quality is significantly improved.

Description of drawings

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is a kind of right view of the present invention;

Fig. 3 is a kind of sectional view of A-A position among Fig. 2;

Fig. 4 is a kind of front view of the present invention;

Fig. 5 is a schematic diagram of the structure of the front hook of the present invention cooperating with the first molding die and the supporting plate.

In the figure: bottom support frame 1, front support 2, middle support 3, rear support 4, first molding mold 5, second molding mold 6, front hook plate 7, rear hook plate 8, upper template 9, lower template 10. Upper heating plate 11, lower heating plate 12, supporting plate 13, vertical screw rod 14, first motor 15, front guide column 16, first hydraulic cylinder 17, upper pressing plate 18, second hydraulic oil cylinder 19, lower pressing plate 20. Upper guide column 21, lower guide column 22, horizontal screw rod 23, guide rod 24, upper cooling plate 25, convex groove 26, groove 27, rectangular protrusion 30, connecting piece 31, left fixing piece 32, front extension arm 33. The rear extension arm 34.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

The embodiment shown in Figures 1 and 4 is a molding machine for foam filling materials, including a frame, a PLC controller and a chiller; the frame includes a bottom support frame 1 and a front support frame 2 located on the bottom support frame , middle support 3 and rear support 4; The bottom support frame is provided with cooling furnace, the first heating furnace, the second heating furnace, the first molding die 5, the second molding die 6, the front hook as shown in Figure 2 Plate 7 and rear hook plate 8;

As shown in Figure 1, the upper template 9 and the lower template 10 of the first plastic mold are positioned between the upper heating plate 11 and the lower heating plate 12 of the first heating furnace and are fixed on the heating plate; 1. The lower template is located between the upper and lower heating plates of the second heating furnace and is connected with the upper and lower heating plates respectively. Temperature sensors are respectively arranged in the upper and lower heating plates of the first and second heating furnaces; The upper and lower templates of the mold are plug-fitted, and the structure of the second mold is the same as that of the first mold;

The front bracket is provided with a first transmission device for driving the front hook plate to move up and down; the front hook plate is provided with a hook for pulling the upper heating plate of the first heating furnace to move down; the structure of the rear bracket and the front bracket Same, the rear hook plate is symmetrical to the front hook plate;

The middle bracket and the bottom bracket are respectively equipped with a second transmission device that can drive the upper cooling plate 25 of the cooling furnace and the lower cooling plate to move up and down, and the chiller is connected to the upper and lower cooling plates through the water inlet pipe and the water outlet pipe ;

The lower surface of the lower template of the first and second plastic molds is provided with a supporting plate 13 that can drive the lower template of the first and second plastic molds to move below the front bracket and the middle bracket, and the supporting plate and the third transmission device The PLC controller is connected with the chiller, the first and the second heating furnace, the temperature sensor and the first, the second and the third transmission device.

The lower surface of the upper template of the first plastic mold is provided with a convex groove 26 protruding downward and opening downward, and the upper surface of the lower template of the first plastic mold is provided with a groove 27 corresponding to the convex groove .

The first transmission device comprises the vertical screw mandrel 14 that is located on the front support and the first motor 15 that is located on the front support and is connected with the vertical screw mandrel, and the vertical screw mandrel lower end is connected with the upper surface of the front hook plate. The front bracket is U-shaped with opening downwards, and the front brackets on the left and right sides of the vertical screw rod are respectively provided with front guide columns 16, and the front guide column upper ends are slidably connected with the front brackets, and the front guide column lower ends are connected with the front hook plate. connected to the surface.

As shown in Figure 3, the second transmission device on the middle support includes the first hydraulic cylinder 17 and the upper pressing plate 18 that is located at the piston rod lower end of the first hydraulic oil cylinder, and the lower surface of the upper pressing plate is connected with the upper cooling plate; The second transmission device on the bottom support frame includes a second hydraulic cylinder 19 and a lower pressing plate 20 arranged at the upper end of the piston rod of the second hydraulic oil cylinder, and the upper surface of the lower pressing plate is connected with the lower cooling plate.

The middle brackets on the left and right sides of the first hydraulic cylinder are respectively provided with an upper guide post 21, and the bottom support frames on the left and right sides of the second hydraulic cylinder are respectively provided with a lower guide post 22, and the upper and lower pressure plates are respectively It is rectangular, and the upper surface of the upper platen is provided with two round holes matched with the upper guide column, and the lower surface of the lower platen is respectively provided with two round holes matched with the lower guide column.

As shown in Figure 1, the 3rd transmission device comprises and is located on the bottom supporting frame and passes through the horizontal lead screw 24 below front support, middle support and the second motor that is connected with screw mandrel; Described support plate comprises left support plate and the right supporting plate, the left supporting plate and the right supporting plate are respectively positioned on the left and right edges of the lower formwork of the first and second plastic moulds, and a connecting piece 31 is arranged between the left and right supporting plate lower surfaces, and the connecting piece and The screw mandrel is rotatably connected, and the left and right supporting plates are respectively slidably connected with the left guide rod and the right guide rod which are arranged on the bottom support frame on the left and right sides of the screw mandrel and are parallel to the screw mandrel.

The left and right supporting plates are square steel pipe structures, and the lower surface of the left supporting plate is provided with several left fixing parts 32, and the lower surface of the right supporting plate is provided with several right fixing parts, and the left and right fixing parts are respectively connected with the left side. , Right guide bar sliding connection.

The thickness of the heating plate is about 50mm, and it is made of aluminum to ensure fast heat conduction. The upper and lower heating plates include electric heating tubes arranged at equal intervals.

As shown in Figure 5, front hook plate comprises rectangular plate, is located at the front extension arm 33 of the left and right part of the front surface of rectangular plate and is located at the rear extension arm 34 of left and right side rear portion of rectangular plate, hook It includes a front hook and a rear hook; the front hook is composed of a front extension arm and an extension block arranged at the lower end of the front extension arm; the rear hook is composed of a rear extension arm and an extension block arranged at the lower end of the rear extension arm Block structure; the left and right sides of the upper templates of the first and second plastic molds are respectively provided with rectangular protrusions 30 that match the hooks of the rear extension arms.

As shown in Figure 1, the front support, middle support, rear support and cooling furnace, the first heating furnace, the second heating furnace, the first molding die and the second molding die set on the support frame in the present embodiment 1, the front hook plate, the rear hook plate and the first, second, and third transmission devices are respectively two; the left and right parts on the support frame constitute two sets of units that can perform molding operations at the same time. The process flow of the two sets of units is the same.

The process flow of each unit includes the following steps:

Add RIMA foam filling material into the first molding mold, and the PLC controller controls the first motor to drive the vertical screw to rotate, thereby driving the front hook plate to move downward, and the upper and lower templates of the first molding mold are closed , the PLC controller controls the heating of the electric heating tube in the heating plate of the first heating furnace.

When the temperature sensor detects that the temperature in the heating plate reaches 195-205 degrees, it enters the heat preservation stage. When the heating time set on the PLC controller is also reached, a signal is given, and the PLC controller controls the second motor. Work, the horizontal screw rotates, the supporting plate drives the first plastic mold to move to the right, and at the same time the second hydraulic cylinder works, driving the lower cooling plate to move downward, the supporting plate and the first plastic mold move to the top of the lower cooling plate, The first and second hydraulic oil cylinders control the upper and lower pressing plates to move downward and upward respectively, so that the cooling plate is respectively pressed against the upper and lower heating plates of the first heating furnace; the temperature sensor in the cooling plate detects the temperature in the cooling plate, And transmit the temperature value to the PLC controller; at the same time, add the RIMA foam filling material into the second molding mold by hand, driven by the rear hook plate, the upper and lower templates of the second molding mold are closed, and start The second furnace is heated.

When the temperature in the second heating furnace reaches 195-205 degrees, it enters the heat preservation stage. When the heating time set on the PLC controller is also reached, and the temperature in the cooling plate is lower than 60 degrees Celsius, a signal is given: The first molding mold is sent back to the original station, the front hook plate moves, the upper and lower templates of the first molding mold are separated, and the molded RIMA foam filling material is taken out with tools; at the same time, in the second Driven by the motor, the second plastic mold is sent to the upper and lower cooling furnace plates for cooling.

In this way, the cycle goes on and on, and the molding of the RIMA foam filling material is continuously completed.

It should be understood that this embodiment is only used to illustrate the present invention but not to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims (7)

1. A molding machine for foam filling materials, which is characterized in that it includes a frame, a controller and a chiller; the frame includes a bottom support frame (1) and a front support (2) on the bottom support frame, a middle Bracket (3) and rear bracket (4); the bottom support frame is provided with a cooling furnace, a first heating furnace, a second heating furnace, a first molding die (5), a second molding die (6), and a front hook Plate (7) and rear hook plate (8); the upper template (9) and lower template (10) of the first molding mold are located between the upper heating plate (11) and the lower heating plate (12) of the first heating furnace And respectively connected with the upper and lower heating plates; the upper and lower heating plates include electric heating tubes arranged at equal intervals, the upper and lower templates of the second molding mold are located between the upper and lower heating plates of the second heating furnace and respectively Connected with the upper and lower heating plates, the upper and lower heating plates of the first and second heating furnaces are respectively equipped with temperature sensors; the upper and lower templates of the first molding mold are plug-fitted, and the second molding The structure of the mold is the same as that of the first plastic mold; The front bracket is provided with a first transmission device for driving the front hook plate to move up and down; the front hook plate is provided with a hook for pulling the upper heating plate of the first heating furnace to move down; the structure of the rear bracket and the front bracket Same, the rear hook plate is symmetrical to the front hook plate; The middle bracket and the bottom support frame are respectively provided with the upper cooling plate (25) of the cooling furnace and the second transmission device for moving the lower cooling plate up and down. connected; The lower surface of the lower template of the first and second plastic molds is provided with a supporting plate (13) that can drive the lower template of the first and second plastic molds to move below the front bracket and the middle bracket. The transmission device is connected, and the controller is respectively connected with the chiller, the first and the second heating furnace, the temperature sensor and the first, second and third transmission devices; on the lower surface of the upper template of the first plastic mold A convex groove (26) protruding downward and opening downward is provided, and a groove (27) corresponding to the convex groove is provided on the upper surface of the lower template of the first plastic mold; the first transmission device includes The vertical screw mandrel (14) that is located on the front support and the first motor (15) that is located on the front support and is connected with the vertical screw mandrel, the vertical screw mandrel lower end is connected with the upper surface of the front hook plate. 2. The molding machine for foam filling material according to claim 1, characterized in that, the front bracket is U-shaped with the opening downward, and the front brackets on the left and right sides of the vertical screw rod are respectively provided with front brackets. Guide post (16), the front guide post upper end is slidably connected with the front bracket, and the front guide post lower end is connected with the front hook plate upper surface. 3. The molding machine for foam filling material according to claim 1, characterized in that, the second transmission device arranged on the middle bracket includes the first hydraulic cylinder (17) and the lower end of the piston rod arranged on the first hydraulic cylinder The upper platen (18), the lower surface of the upper platen is connected with the upper cooling plate; the second transmission device on the bottom support frame includes the second hydraulic cylinder (19) and the upper end of the piston rod of the second hydraulic cylinder The lower pressing plate (20), the upper surface of the lower pressing plate is connected with the lower cooling plate. 4. The molding machine for foam filling material according to claim 3, characterized in that, the middle brackets on the left and right sides of the first hydraulic cylinder are respectively provided with upper guide columns (21), and the second hydraulic cylinder The bottom support frames on the left and right sides are respectively provided with lower guide columns (22). Two circular holes matched with the lower guide pillars are respectively arranged on the lower surface of the upper body. 5. The molding machine for foam filling material according to claim 1, characterized in that, the third transmission device includes a horizontal screw rod (24) which is arranged on the bottom support frame and passes through the lower part of the front frame and the middle frame and the second motor connected with the screw mandrel; the supporting plate includes a left supporting plate and a right supporting plate, and the left supporting plate and the right supporting plate are respectively located on the left and right edges of the lower template of the first and second molding dies , a connecting piece (31) is arranged between the lower surfaces of the left and right supporting plates, the connecting piece is rotatably connected with the screw rod, and the left and right supporting plates are respectively connected to the bottom support frame arranged on the left and right sides of the screw rod The left guide rod parallel to the screw mandrel is slidingly connected with the right guide rod. 6. The molding machine of foam filling material according to claim 5, characterized in that, the left and right supporting plates are square steel pipe structures, and the lower surface of the left supporting plate is provided with several left fixing parts (32 ), the lower surface of the right supporting plate is provided with a number of right fixing parts, and the left and right fixing parts are slidingly connected with the left and right guide rods respectively. 7. The molding machine for foam filling material according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the front hook plate comprises a rectangular plate, which is arranged on the left and right parts of the front surface of the rectangular plate The front extension arm (33) and the rear extension arm (34) located at the rear of the left and right sides of the rectangular plate, the hook includes a front hook and a rear hook; the front hook consists of the front extension arm and the front extension arm The lower end is composed of an extension block that extends horizontally backward; the rear hook is composed of a rear extension arm and an extension block that is arranged at the lower end of the rear extension arm; the left and right sides of the upper template of the first and second molding molds Rectangular protrusions (30) matching the hooks of the rear extension arms are respectively arranged on the surfaces.