A vertical battery frame molding device and a molding method thereof

Abstract

The present application relates to a kind of vertical battery frame mould pressing equipment and its mould pressing forming method, comprising: prepreg equipment, cantilever spreader, cutting and stacking equipment, grabbing manipulator and mould pressing host, mould pressing host includes: bearing base plate, linear guide, left mould pressing assembly, right mould pressing assembly, screw motor assembly, bottom plate for installing inner mould is arranged between left mould pressing assembly and right mould pressing assembly, inner mould is used to place the pre-press raw material to be formed, left mould pressing assembly and right mould pressing assembly are used to compress the pre-press raw material on the two sides of inner mould and form, upper mould assembly is arranged between left mould pressing assembly and right mould pressing assembly, upper mould assembly is used to compress the pre-press raw material on the upper end surface of inner mould and form, the side of inner mould close to screw motor assembly is provided with material pushing mechanism, the side of inner mould away from screw motor assembly is provided with frame body demoulding mechanism;The present application has the characteristics of short beat, high efficiency, less auxiliary equipment, less operator and low production cost.

Description

Technical Field

[0001] This invention relates to the field of molding technology for composite material (glass fiber) products with complex shapes, and particularly to a vertical battery frame molding equipment and molding method thereof. Background Technology

[0002] For composite material products with complex shapes, RTM (Reactive Liquid Manufacturing) technology is often used. This involves placing a dry fiber preform into a closed mold cavity, then injecting liquid resin into the cavity after mold closing. Under pressure, the resin flows and impregnates the fibers, forming a series of composite material molding processes. The disadvantages of this process are: 1. High equipment cost. It requires multiple pieces of equipment and multiple processes, such as conveying devices, injection equipment, lifting and turning equipment, and mold opening equipment. 2. Requires a large number of molds with high precision. Due to the numerous processes and long cycle times, multiple sets of molds are needed to meet production demands. Additionally, the molds need good sealing properties for vacuum injection, resulting in high mold manufacturing and maintenance costs. 3. Long production cycle time, large workforce, and high production costs. The injected resin needs to completely impregnate the fiber material, and the injection, impregnation, and curing times are all long. Multiple processes and multiple operators are required to complete the process. Summary of the Invention

[0003] In view of the above problems, the purpose of this invention is to provide a vertical battery frame molding equipment and its molding method, which can shorten the cycle time, reduce the number of operators, improve product quality, increase production efficiency, and reduce maintenance costs, thereby overcoming the shortcomings of the prior art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A vertical battery frame molding machine includes: a pre-impregnation device, a cantilever crane, a cutting and stacking device, a material-grabbing robot, and a molding main unit. The pre-impregnation device receives raw materials and pre-impregnates them. The cantilever crane transports the impregnated roll material to the cutting and stacking device, which cuts and stacks the roll material into multiple layers. The material-grabbing robot transports the stacked pre-pressed raw materials to the molding main unit, which presses and shapes the pre-pressed raw materials. The molding main unit includes: a base plate, two linear guide rails parallel to each other on the base plate, and a left molding assembly and a right molding assembly slidably connected to the two linear guide rails. The system includes a molding assembly and a screw motor assembly that drives the left and right molding assemblies to move on a linear guide rail. A base for mounting an inner mold is provided between the left and right molding assemblies. The inner mold is used to place the pre-pressed raw material to be molded. The left and right molding assemblies are used to press and shape the pre-pressed raw material on both sides of the inner mold. An upper mold assembly is provided between the left and right molding assemblies. The upper mold assembly is used to press and shape the pre-pressed raw material on the upper surface of the inner mold. An ejector mechanism is provided on the side of the inner mold near the screw motor assembly, and a frame demolding mechanism is provided on the side of the inner mold away from the screw motor assembly.

[0006] The ejector mechanism is used to prevent the frame from tearing when the molding assembly is demolded. The ejector mechanism includes: two first slide rails vertically arranged on the left and right molding assemblies, a moving crossbeam slidably connected to the two first slide rails, a first lifting cylinder that drives the moving crossbeam to move on the first slide rails, a double guide rod cylinder arranged on the moving crossbeam, a clamping plate installed on the piston rod of the double guide rod cylinder, and two ejector pins installed on the clamping plate. Before demolding, the first lifting cylinder drives the moving crossbeam to move to the inner mold, and the double guide rod cylinder pushes the ejector pins on the clamping plate to position and clamp the two sides of the inner mold. After the left and right molding assemblies are demolded, the double guide rod cylinder drives the clamping plate to return to its original position, and the first lifting cylinder drives the moving crossbeam to return to its original position.

[0007] The frame demolding mechanism is used to separate the frame from the inner mold. The frame demolding mechanism includes: two second slide rails vertically arranged on the left and right molding components, a slide plate slidably connected to the two second slide rails, a second lifting cylinder that drives the slide plate to move on the second slide rails, and a limiting stop installed on the bottom of one side of the left and right molding components and located directly below the slide plate. The slide plate has a clearance groove for the inner mold to pass through. The slide plate is used to block the frame and allow the inner mold to pass through, thereby separating the frame from the inner mold. After the left and right molding components are demolded, the second lifting cylinder drives the slide plate to move to the inner mold and stops after contacting the limiting stop. After the limiting stop contacts the slide plate, it controls the screw motor assembly to start and drive the left and right molding components to slide on the linear guide rail. The left and right molding components drive the frame demolding mechanism to move simultaneously. When the slide plate of the frame demolding mechanism passes through the inner mold with the frame, it pushes the frame out of the inner mold.

[0008] As a preferred embodiment of the present invention, the bottom of the inner mold is mounted on the base via a heat insulation plate, the base is mounted on a bearing base plate between two linear guide rails, the inner mold is rectangular, a heating tube is provided inside the inner mold, the C-shaped frame is inserted into the upper surface and both sides of the inner mold, and a fiber cloth that has been cut and impregnated with resin is placed on the frame.

[0009] As a preferred embodiment of the present invention, the left molding assembly and the right molding assembly are symmetrically arranged on two linear guide rails of the supporting base plate. Each of the left molding assembly and the right molding assembly includes: a side mold bracket slidably connected to the linear guide rail, a side hydraulic cylinder installed on one side of the side mold bracket, a side guide rod connected to the side hydraulic cylinder and passing through the side mold bracket, and a side molding plate installed on the side guide rod and located on the other side of the side mold bracket. The side hydraulic cylinder pushes the side molding plate through the side guide rod to shape the fiber cloth on both sides of the frame.

[0010] As a preferred embodiment of the present invention, the upper mold assembly includes: an upper mold base mounted on the upper end of the side mold support of the left and right molding assemblies, an upper hydraulic cylinder mounted on the upper end face of the upper mold base, an upper guide rod connected to the upper hydraulic cylinder and passing through the upper mold base, and an upper mold pressing plate mounted on the upper guide rod and located on one side of the bottom end of the upper mold base. The upper hydraulic cylinder pushes the upper mold pressing plate through the upper guide rod to shape the fiber cloth on the upper end face of the frame.

[0011] As a preferred embodiment of the present invention, the lead screw motor assembly includes: a lead screw motor mounted on a bearing base plate, a lead screw connected to the lead screw motor, a lead screw nut slider mounted on the lead screw, and a push rod beam mounted on the lead screw nut slider. The two ends of the push rod beam are connected to the side mold supports of the left and right molding assemblies. The lead screw motor drives the lead screw nut slider on the lead screw, and the lead screw nut slider drives the side mold supports of the left and right molding assemblies to reciprocate on the linear guide rail through the push rod beam.

[0012] As a preferred embodiment of the present invention, the two first slide rails of the ejector mechanism are respectively installed at the end of the side mold support of the left molding assembly and the right molding assembly near the push rod beam, and the two second slide rails are respectively installed at the end of the side mold support of the left molding assembly and the right molding assembly away from the push rod beam.

[0013] As a preferred embodiment of the present invention, the material-grabbing robot arm is equipped with a V-shaped needle gripper for simultaneously gripping multiple layers of pre-compressed raw materials. The V-shaped needle gripper includes: a gripping plate and V-shaped needle assemblies installed at the four corners of the gripping plate. The V-shaped needle assemblies are used to grip multiple layers of pre-compressed raw materials. The V-shaped needle assemblies include: a needle holder with a needle insertion hole, two sets of needles arranged in a V-shape on the needle holder, and two needle cylinders installed on the needle holder for driving the two sets of needles.

[0014] Another object of the present invention is to provide a molding method for a vertical battery frame molding equipment, comprising the following steps:

[0015] Step S1: The rolled raw material fiber cloth enters from the right inlet of the prepreg equipment. After being impregnated by the prepreg equipment, the roll is moved by the cantilever hanger to the cutting and stacking equipment.

[0016] Step S2: Start the cutting and stacking equipment to automatically cut the fabric according to the preset number of fabric layers;

[0017] Step S3: The material gripping robot moves back and forth between the cutting and stacking equipment and the molding machine. The material gripping robot uses a V-shaped needle gripper to grab multiple layers of fabric at once and lay them on the inner mold of the molding machine. The material gripping robot then returns to its original position.

[0018] Step S4: The molding machine starts working. While the molding machine is working, the cutting and stacking equipment continues to cut the next set of prepreg fabric. After molding is completed, the product is taken out and placed on the work station equipment to complete one work cycle.

[0019] As a preferred embodiment of the present invention, step S4 further includes the following steps:

[0020] Step S41: Start the heating tube of the inner mold to preheat the inner mold and the frame. The fiber cloth that has been cut and impregnated with resin has been placed on the frame.

[0021] Step S42: Start the lead screw motor assembly to transport the left molding assembly, right molding assembly, and upper mold assembly to the inner mold station and align them with the inner mold;

[0022] Step S43: Use the upper mold assembly to shape the fiber cloth on the upper end face of the frame, wherein the upper hydraulic cylinder of the upper mold assembly pushes the upper mold plate to press the fiber cloth on the upper end face of the frame through the upper guide rod;

[0023] Step S44: After the upper mold assembly presses the fiber cloth, the left and right molding assemblies are used to shape the fiber cloth on both sides of the frame. The side hydraulic cylinders of the left and right molding assemblies push the side molding plates to press the fiber cloth on both sides of the frame through the side guide rods.

[0024] Step S45: The fiber cloth on the frame is heat-cured according to the preset curing time;

[0025] Step S46: After curing, start the ejector mechanism and the frame demolding mechanism. The first lifting cylinder of the ejector mechanism and the second lifting cylinder of the frame demolding mechanism move simultaneously, so that the clamping plate driven by the first lifting cylinder and the sliding plate driven by the second lifting cylinder fall into place. The two ejector pins of the clamping plate extend and press against the frame, and the sliding plate is located on the side of the inner mold and the clearance groove of the sliding plate is aligned with the inner mold.

[0026] Step S47: Restart the left molding assembly, right molding assembly and upper mold assembly to return the side molding plates of the left molding assembly and right molding assembly to their original positions, and the upper molding plate of the upper mold assembly to its original position. At the same time, start the ejector mechanism to drive the clamping plate back to its original position using the double guide rod cylinder.

[0027] Step S48: Start the lead screw motor assembly to drive the side mold supports of the left and right molding assemblies to move on the linear guide rail in a direction away from the lead screw motor assembly. The left and right molding assemblies leave the inner mold. During the movement, the side mold supports drive the frame demolding mechanism installed on the side mold supports. The slide plate on the frame demolding mechanism pushes the frame on the inner mold out of the inner mold. Due to the existence of the clearance groove, the inner mold remains stationary. After the frame is separated from the inner mold, start the frame demolding mechanism again to drive the slide plate back to its original position and remove the frame to complete one work cycle.

[0028] As a preferred embodiment of the present invention, steps S1, S2 and S3 further include the following steps:

[0029] Step S11: Manually place the roll material into the end bracket of the prepreg equipment, start the receiving end roll material motor and roller motor, start impregnation, the material shaft rotates to drive the fiber cloth to unfold and run, the two rollers squeeze out excess resin and assist in driving the fiber cloth to run during the rotation process, and adjust the gap between the two rollers according to the required amount of resin in the fiber cloth.

[0030] Step S21: Manually place the glue-impregnated roll of fabric onto the bracket at the end of the cutting and stacking equipment using a cantilever hanger. Unfold the fabric and place it into the slot of the cutting and stacking equipment. The clamping mechanism of the cutting and stacking equipment clamps the fabric. Move and unfold the fabric to the required size. Then, the cutting mechanism cuts the fabric. The clamping mechanism continues to repeat the unfolding action to complete the cutting of multiple layers of fabric. Finally, cut the multiple layers of fabric into the required shape. The cutting is complete.

[0031] Step S31: The four V-shaped needle components on the V-shaped needle gripper grip the four corners of the pre-compressed raw material. During gripping, the gripping robot moves the V-shaped needle components above the pre-compressed raw material. The two needle cylinders on the V-shaped needle components are activated and drive the two sets of needles arranged in a V-shape to extend from the needle seat to grip the pre-compressed raw material. During unloading, the gripping robot moves the pre-compressed raw material directly above the inner mold. The four V-shaped needle components move simultaneously. The two needle cylinders on the V-shaped needle components are activated and drive the two sets of needles arranged in a V-shape to retract from the needle seat, so that the pre-compressed raw material is laid on the frame of the inner mold.

[0032] The advantages and positive effects of this invention are:

[0033] 1. This invention effectively solves the problem that when the left and right molds retract after molding and curing, the side walls of the frame will stick to the side molds, causing the frame to tear. This is achieved by adding an ejector mechanism to clamp and position the frame of the inner mold.

[0034] 2. This invention uses a frame demolding mechanism for demolding, which is more efficient than manual demolding and can also reduce the occurrence of accidents.

[0035] 3. The clamping and curing method of the left molding component, the right molding component, and the upper mold component in this invention not only has a better curing effect, but can also be used in conjunction with the frame demolding mechanism for effective demolding.

[0036] 4. By adding a V-shaped needle gripper to the material handling robot for one-time gripping of multiple layers of pre-compressed raw materials, the present invention not only improves the overall processing efficiency, but also reduces the problem of wrinkles caused by clamps when gripping pre-compressed raw materials, and can quickly lay the pre-compressed raw materials on the frame of the inner mold.

[0037] 5. Compared with RTM production lines, this invention has the advantages of short cycle time, high efficiency, fewer auxiliary equipment, fewer operators, and low production cost.

[0038] 6. This invention requires only two operators. The fabric cutting time and the main machine molding time overlap. The impregnation equipment can work simultaneously during the molding process, so its production cycle is much shorter than other production methods such as RTM. The number of operators is also only two, which greatly reduces production costs. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0040] Figure 2 This is a schematic diagram of the inner mold structure in this invention.

[0041] Figure 3 This is a schematic diagram of the installation of the left molding assembly and the right molding assembly in this invention.

[0042] Figure 4 This is a schematic diagram of the top material mechanism in this invention.

[0043] Figure 5 This is a schematic diagram of the frame demolding mechanism in this invention.

[0044] Figure 6 This is a top view of the overall process in this invention.

[0045] Figure 7 This is a schematic diagram of the V-shaped needle gripper in this invention.

[0046] Figure reference numerals: 1. Prepreg equipment; 2. Cantilever hanger; 3. Cutting and stacking equipment; 4. Gripping robot; 5. Molding host; 6. Bearing base plate; 7. Linear guide rail; 8. Left molding assembly; 9. Right molding assembly; 10. Screw motor assembly; 10. Screw motor; 101. Screw; 102. Screw nut slider; 103. Push rod beam; 104. Inner mold; 11. Heat insulation plate; 111. Base; 12. Upper mold assembly; 13. Ejection mechanism; 14. First slide rail; 141. Moving beam; 142. First lifting cylinder; 143. 144. Double guide rod cylinder, 145. Clamping plate, 146. Ejector pin, 15. Frame demolding mechanism, 151. Second slide rail, 152. Slide plate, 153. Second lifting cylinder, 154. Limit stop, 155. Clearance groove, 16. Frame, 17. Side mold support, 18. Side hydraulic cylinder, 19. Side guide rod, 20. Side mold pressure plate, 21. Upper mold base, 22. Upper hydraulic cylinder, 23. Upper guide rod, 24. Upper mold pressure plate, 25. V-type needle gripper, 251. Pin holder, 252. Pin, 253. Detailed Implementation

[0047] Example 1

[0048] See Figure 1-6This embodiment provides a vertical battery frame molding equipment, including: a pre-impregnation device 1, a cantilever hanger 2, a cutting and stacking device 3, a material-grabbing robot 4, and a molding host 5. The pre-impregnation device 1 is used to receive raw materials and pre-impregnate them. The cantilever hanger 2 is used to transport the impregnated roll material to the cutting and stacking device 3. The cutting and stacking device 3 cuts the roll material and stacks multiple layers. The material-grabbing robot 4 is used to transport the stacked pre-pressed raw materials to the molding host 5. The molding host 5 is used to press and shape the pre-pressed raw materials. The molding host 5 includes: a supporting base plate 6 and two parallel rods arranged on the supporting base plate 6. The system includes linear guide rails 7, a left molding assembly 8 and a right molding assembly 9 slidably connected to the two linear guide rails 7, and a screw motor assembly 10 that pushes the left molding assembly 8 and the right molding assembly 9 to move on the linear guide rails 7. A base 12 for mounting an inner mold 11 is provided between the left molding assembly 7 and the right molding assembly 8. The inner mold 11 is used to place the pre-pressed raw material to be molded. The left molding assembly 8 and the right molding assembly 9 are used to press and shape the pre-pressed raw material on both sides of the inner mold 11. An upper mold assembly 13 is provided between the left molding assembly 8 and the right molding assembly 9. The upper mold assembly 13 is used to press the inner mold 11. The pre-pressed raw material at the end face is pressed and formed. An ejector mechanism 14 is provided on the side of the inner mold 11 near the lead screw motor assembly 10, and a frame demolding mechanism 15 is provided on the side of the inner mold 11 away from the lead screw motor assembly 10. The ejector mechanism 14 is used to prevent the frame from tearing when the left mold assembly 8, right mold assembly 9, and upper mold assembly 13 are demolded. The ejector mechanism 14 includes: two first slide rails 141 vertically arranged on the left mold assembly 8 and right mold assembly 9, a moving crossbeam 142 slidably connected to the two first slide rails 141, and a first [unclear - possibly a mechanism or device] that drives the moving crossbeam 142 to move on the first slide rails 141. The system includes a lifting cylinder 143, a double guide rod cylinder 144 mounted on the moving crossbeam 142, a clamping plate 145 mounted on the piston rod of the double guide rod cylinder 144, and two ejector pins 146 mounted on the clamping plate 145. Before demolding, the first lifting cylinder 143 drives the moving crossbeam 142 to move to the inner mold 11. The double guide rod cylinder 144 pushes the ejector pins 146 on the clamping plate 145 to position and clamp the two sides of the inner mold 11. After the left mold pressing assembly 8 and the right mold pressing assembly 9 are demolded, the double guide rod cylinder 144 drives the clamping plate 145 to return to its original position, and the first lifting cylinder 143 drives the moving crossbeam 142 to return to its original position.The frame demolding mechanism 15 is used to separate the frame 16 from the inner mold 11. The frame demolding mechanism 15 includes: two second slide rails 151 vertically arranged on the left molding assembly 8 and the right molding assembly 9; a slide plate 152 slidably connected to the two second slide rails 151; a second lifting cylinder 153 that drives the slide plate 152 to move on the second slide rails 151; and a limiting stop 154 ​​installed on the bottom side of the left molding assembly 8 and the right molding assembly 9 and located directly below the slide plate 152. The slide plate 152 has a clearance groove 155 for the inner mold 11 to pass through. The slide plate 152 is used to block the frame 16 and prevent the inner mold 11 from passing through. The process passes through the mold, causing the frame 16 to separate from the inner mold 11. After the left molding assembly 8 and the right molding assembly 9 are demolded, the second lifting cylinder 153 drives the slide plate 152 to move to the inner mold 11 and stop after contacting the limit stop 154. After the limit stop 154 ​​contacts the slide plate 152, it controls the screw motor assembly 10 to start and drive the left molding assembly 8 and the right molding assembly 9 to slide on the linear guide rail 7. The left molding assembly 8 and the right molding assembly 9 drive the frame demolding mechanism 15 to move simultaneously. When the slide plate 152 of the frame demolding mechanism 15 passes through the inner mold 11 with the frame 16, it pushes the frame 16 out of the inner mold 11.

[0049] Furthermore, in this embodiment, the bottom of the inner mold 11 is mounted on the base 12 via a heat insulation plate 111. The base 12 is mounted on the bearing base plate 6 between two linear guide rails 7. The inner mold 11 is rectangular and has a heating tube inside. A C-shaped frame 16 is inserted into the upper surface and both sides of the inner mold 11. A fiber cloth that has been cut and impregnated with resin is placed on the frame 16.

[0050] Furthermore, in this embodiment, the left molding assembly 8 and the right molding assembly 9 are symmetrically arranged on the two linear guide rails 7 of the supporting base plate 6. Both the left molding assembly 8 and the right molding assembly 9 include: a side mold support 17 slidably connected to the linear guide rail 7, a side hydraulic cylinder 18 installed on one side of the side mold support 17, a side guide rod 19 connected to the side hydraulic cylinder 18 and passing through the side mold support 17, and a side molding plate 20 installed on the side guide rod 19 and located on the other side of the side mold support 17. The side hydraulic cylinder 18 pushes the side molding plate 20 through the side guide rod 19 to shape the fiber cloth on both sides of the frame 16.

[0051] Furthermore, the upper mold assembly 13 in this embodiment includes: an upper mold base 21 installed on the upper end of the side mold support 17 of the left mold assembly 8 and the right mold assembly 9; an upper hydraulic cylinder 22 installed on the upper end face of the upper mold base 21; an upper guide rod 23 connected to the upper hydraulic cylinder 22 and passing through the upper mold base 21; and an upper mold pressure plate 24 installed on the upper guide rod 23 and located on one side of the bottom end of the upper mold base 21. The upper hydraulic cylinder 22 pushes the upper mold pressure plate 24 through the upper guide rod 23 to shape the fiber cloth on the upper end face of the frame 16.

[0052] Furthermore, the lead screw motor assembly 10 in this embodiment includes: a lead screw motor 101 mounted on the bearing base plate 6, a lead screw 102 connected to the lead screw motor 101, a lead screw nut slider 103 mounted on the lead screw 102, and a push rod beam 104 mounted on the lead screw nut slider 103. The two ends of the push rod beam 104 are connected to the side mold supports 17 of the left molding assembly 8 and the right molding assembly 9. The lead screw motor 101 drives the lead screw nut slider 103 on the lead screw 102, and the lead screw nut slider 103 drives the side mold supports 17 of the left molding assembly 8 and the right molding assembly 9 to reciprocate on the linear guide rail 7 through the push rod beam 104.

[0053] Furthermore, in this embodiment, the two first slide rails 141 of the ejector mechanism 14 are respectively installed on the side mold support 17 of the left molding assembly 8 and the right molding assembly 9 near the push rod beam 104, and the two second slide rails 151 are respectively installed on the side mold support 17 of the left molding assembly 8 and the right molding assembly 9 away from the push rod beam 104.

[0054] Furthermore, in this embodiment, the material-grabbing robot 4 is equipped with a V-shaped needle gripper 25 for gripping multiple layers of pre-compressed raw materials at one time. The V-shaped needle gripper 25 includes: a gripping plate and V-shaped needle assemblies installed at the four corners of the gripping plate. The V-shaped needle assemblies are used to grip multiple layers of pre-compressed raw materials. The V-shaped needle assemblies include: a needle holder 251 with needle insertion holes, two sets of needles 252 arranged in a V-shape on the needle holder 251, and two needle cylinders 253 installed on the needle holder 251 for driving the two sets of needles 252.

[0055] Example 2

[0056] This embodiment provides a molding method for a vertical battery frame molding equipment, including the following steps:

[0057] Step S1: The rolled raw material fiber cloth enters from the right end of the prepreg equipment 1. After being impregnated by the prepreg equipment 1, the roll is moved by the cantilever hanger 2 to the cutting and stacking equipment 3.

[0058] Step S11: Manually place the roll material into the end bracket of the prepreg equipment 1, start the receiving end roll material motor and roller motor, start impregnation, the material shaft rotates to drive the fiber cloth to unfold and run, the two rollers squeeze out excess resin and assist in driving the fiber cloth to run during the rotation process, wherein the gap between the two rollers is adjusted according to the required amount of resin in the fiber cloth.

[0059] Step S2: Start the cutting and stacking equipment 3 to automatically cut the fabric according to the preset number of fabric layers;

[0060] Step S21: Manually place the glue-impregnated roll of fabric onto the support at the end of the cutting and stacking equipment 3 using the cantilever hanger 2. Unfold the fabric and place it into the slot of the cutting and stacking equipment 3. The clamping mechanism of the cutting and stacking equipment 3 clamps the fabric and moves the unfolded fabric to the required size. Then, the cutting mechanism cuts the fabric. The clamping mechanism continues to repeat the unfolding action of the fabric to complete the cutting of multiple layers of fabric. Finally, the multiple layers of fabric are cut into the required shape, and the cutting is completed.

[0061] Step S3: The material gripping robot 4 moves back and forth between the cutting and stacking equipment 3 and the molding host 5. The material gripping robot 4 uses the V-shaped needle gripper 25 to grab multiple layers of fabric at once and lay them on the inner mold 11 of the molding host 5. The material gripping robot 4 returns to its original position.

[0062] Step S31: The four V-shaped needle components on the V-shaped needle gripper 25 respectively grip the four corners of the pre-compressed raw material. During gripping, the gripping robot 4 drives the V-shaped needle components to move above the pre-compressed raw material. The two needle cylinders 253 on the V-shaped needle components are activated and drive the two sets of needles 252 arranged in a V-shape to extend from the needle seat 251 to grip the pre-compressed raw material. During unloading, the gripping robot 4 drives the pre-compressed raw material to move directly above the inner mold 11. The four V-shaped needle components move simultaneously. The two needle cylinders 253 on the V-shaped needle components are activated and drive the two sets of needles 252 arranged in a V-shape to retract from the needle seat 251, so that the pre-compressed raw material is laid on the frame 16 of the inner mold 11.

[0063] Step S4: The molding host 5 starts working. While the molding host 5 is working, the cutting and stacking equipment 3 continues to cut the next set of prepreg fabric. After molding is completed, the product parts are taken out and placed on the work station equipment to complete one work cycle.

[0064] Step S41: Start the heating tube of the inner mold 11 to preheat the inner mold 11 and the frame 16, wherein the cut fiber cloth impregnated with resin has been placed on the frame 16.

[0065] Step S42: Start the lead screw motor assembly 10 to transport the left molding assembly 8, the right molding assembly 9, and the upper mold assembly 13 to the inner mold 11 station and align them with the inner mold 11;

[0066] Step S43: Use the upper mold assembly 13 to shape the fiber cloth on the upper end face of the frame 16, wherein the upper hydraulic cylinder 22 of the upper mold assembly 13 pushes the upper mold plate 24 to press the fiber cloth on the upper end face of the frame 16 through the upper guide rod 23.

[0067] Step S44: After the upper mold assembly 13 presses the fiber cloth, the left molding assembly 8 and the right molding assembly 9 are used to shape the fiber cloth on both sides of the frame 16. The side hydraulic cylinders 18 of the left molding assembly 8 and the right molding assembly 9 push the side molding plate 20 to press the fiber cloth on both sides of the frame 16 through the side guide rod 19.

[0068] Step S45: The fiber cloth on the frame 16 is heat-cured according to the preset curing time;

[0069] Step S46: After curing, start the ejector mechanism 14 and the frame demolding mechanism 15. The first lifting cylinder 143 of the ejector mechanism 14 and the second lifting cylinder 15 of the frame demolding mechanism 15 act simultaneously, so that the clamping plate 145 driven by the first lifting cylinder 143 and the sliding plate 152 driven by the second lifting cylinder 153 fall into place. The two ejector pins 146 of the clamping plate 145 extend and press against the frame 16. The sliding plate 152 is located on the side of the inner mold 11 and the clearance groove 155 of the sliding plate 152 is aligned with the inner mold 11.

[0070] Step S47: Restart the left molding assembly 8, right molding assembly 9 and upper mold assembly 13 to return the side molding plates 20 of the left molding assembly 8 and right molding assembly 9 to their original positions, and the upper molding plate 24 of the upper mold assembly 13 to its original position. At the same time, start the ejector mechanism 14 to drive the clamping plate 145 to its original position using the double guide rod cylinder 144.

[0071] Step S48: Start the lead screw motor assembly 10 to drive the side mold support 17 of the left molding assembly 8 and the right molding assembly 9 to move on the linear guide rail 7 in a direction away from the lead screw motor assembly 10. The left molding assembly 8 and the right molding assembly 9 leave the inner mold 11. During the movement, the side mold support 17 drives the frame demolding mechanism 15 installed on the side mold support 17. The slide plate 152 on the frame demolding mechanism 15 pushes the frame 16 on the inner mold 11 out of the inner mold 11. Due to the presence of the clearance groove 155, the inner mold 11 remains stationary. After the frame 16 is separated from the inner mold 11, the frame demolding mechanism 15 is started again, so that the second lifting cylinder 153 drives the slide plate 152 back to its original position and removes the frame 16 to complete one work cycle.

[0072] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A vertical battery frame molding machine, comprising: The system comprises a pre-impregnation equipment, a cantilever crane, a cutting and stacking equipment, a material-grabbing robot, and a molding machine. The pre-impregnation equipment receives raw materials and pre-impregnates them. The cantilever crane transports the impregnated rolls to the cutting and stacking equipment, which cuts and stacks the rolls into multiple layers. The material-grabbing robot transports the stacked pre-pressed raw materials to the molding machine, which presses and shapes the pre-pressed raw materials. The molding machine includes: a base plate, two linear guide rails parallel to each other on the base plate, and a left molding assembly and a right molding assembly slidably connected to the two linear guide rails. The system includes a screw motor assembly that drives the left and right molding components to move on a linear guide rail. A base for mounting an inner mold is provided between the left and right molding components. The inner mold is used to place the pre-pressed raw material to be molded. The left and right molding components are used to press and mold the pre-pressed raw material on both sides of the inner mold. An upper mold assembly is provided between the left and right molding components. The upper mold assembly is used to press and mold the pre-pressed raw material on the upper surface of the inner mold. An ejector mechanism is provided on the side of the inner mold near the screw motor assembly, and a frame demolding mechanism is provided on the side of the inner mold away from the screw motor assembly. The ejector mechanism is used to prevent the frame from tearing when the molding assembly is demolded. The ejector mechanism includes: two first slide rails vertically arranged on the left and right molding assemblies, a moving crossbeam slidably connected to the two first slide rails, a first lifting cylinder that drives the moving crossbeam to move on the first slide rails, a double guide rod cylinder arranged on the moving crossbeam, a clamping plate installed on the piston rod of the double guide rod cylinder, and two ejector pins installed on the clamping plate. Before demolding, the first lifting cylinder drives the moving crossbeam to move to the inner mold, and the double guide rod cylinder pushes the ejector pins on the clamping plate to position and clamp the two sides of the inner mold. After the left and right molding assemblies are demolded, the double guide rod cylinder drives the clamping plate to return to its original position, and the first lifting cylinder drives the moving crossbeam to return to its original position. The frame demolding mechanism is used to separate the frame from the inner mold. The frame demolding mechanism includes: two second slide rails vertically arranged on the left and right molding components, a slide plate slidably connected to the two second slide rails, a second lifting cylinder that drives the slide plate to move on the second slide rails, and a limiting stop iron installed on the bottom of one side of the left and right molding components and located directly below the slide plate. The slide plate has a clearance groove for the inner mold to pass through. The slide plate is used to block the frame and allow the inner mold to pass through. After the left and right molding components are demolded, the second lifting cylinder drives the slide plate to move to the inner mold and stops after contacting the limiting stop iron. After the limiting stop iron contacts the slide plate, it controls the screw motor assembly to start and drives the left and right molding components to slide on the linear guide rail. The left and right molding components drive the frame demolding mechanism to move simultaneously. When the slide plate of the frame demolding mechanism passes the inner mold with the frame, it pushes the frame out of the inner mold.

2. The vertical battery frame molding equipment according to claim 1, characterized in that, The bottom of the inner mold is mounted on the base via a heat insulation plate. The base is mounted on a bearing base plate between two linear guide rails. The inner mold is rectangular and contains a heating tube. The C-shaped frame is inserted into the upper surface and both sides of the inner mold. Cut fiber cloth impregnated with resin is placed on the frame.

3. The vertical battery frame molding equipment according to claim 2, characterized in that, The left and right molding assemblies are symmetrically arranged on two linear guide rails of the supporting base plate. Each of the left and right molding assemblies includes: a side mold bracket slidably connected to the linear guide rails, a side hydraulic cylinder installed on one side of the side mold bracket, a side guide rod connected to the side hydraulic cylinder and passing through the side mold bracket, and a side molding plate installed on the side guide rod and located on the other side of the side mold bracket. The side hydraulic cylinder pushes the side molding plate through the side guide rod to shape the fiber cloth on both sides of the frame.

4. The vertical battery frame molding equipment according to claim 3, characterized in that, The upper mold assembly includes: an upper mold base installed on the upper end of the side mold brackets of the left and right molding assemblies, an upper hydraulic cylinder installed on the upper end face of the upper mold base, an upper guide rod connected to the upper hydraulic cylinder and passing through the upper mold base, and an upper mold pressing plate installed on the upper guide rod and located on one side of the bottom end of the upper mold base. The upper hydraulic cylinder pushes the upper mold pressing plate through the upper guide rod to shape the fiber cloth on the upper end face of the frame.

5. A vertical battery frame molding equipment according to claim 4, characterized in that, The lead screw motor assembly includes: a lead screw motor mounted on a bearing base plate, a lead screw connected to the lead screw motor, a lead screw nut slider mounted on the lead screw, and a push rod beam mounted on the lead screw nut slider. The two ends of the push rod beam are connected to the side mold supports of the left and right molding assemblies. The lead screw motor drives the lead screw nut slider on the lead screw, and the lead screw nut slider drives the side mold supports of the left and right molding assemblies to reciprocate on the linear guide rail through the push rod beam.

6. A vertical battery frame molding equipment according to claim 5, characterized in that, The two first slide rails of the ejector mechanism are respectively installed at the end of the side mold support of the left and right mold components near the push rod beam, and the two second slide rails are respectively installed at the end of the side mold support of the left and right mold components away from the push rod beam.

7. A vertical battery frame molding equipment according to claim 6, characterized in that, The material-grabbing robot arm is equipped with a V-shaped needle gripper for gripping multiple layers of pre-compressed raw materials at once. The V-shaped needle gripper includes: a gripping plate and V-shaped needle assemblies installed at the four corners of the gripping plate. The V-shaped needle assemblies are used to grip multiple layers of pre-compressed raw materials. The V-shaped needle assemblies include: a needle holder with a needle insertion hole, two sets of needles arranged in a V-shape on the needle holder, and two needle cylinders installed on the needle holder for driving the two sets of needles.

8. The molding method of a vertical battery frame molding equipment according to claim 7, characterized in that, Includes the following steps: Step S1: The rolled raw material fiber cloth enters from the right inlet of the prepreg equipment. After being impregnated by the prepreg equipment, the roll is moved by the cantilever hanger to the cutting and stacking equipment. Step S2: Start the cutting and stacking equipment to automatically cut the fabric according to the preset number of fabric layers; Step S3: The material gripping robot moves back and forth between the cutting and stacking equipment and the molding machine. The material gripping robot uses a V-shaped needle gripper to grab multiple layers of fabric at once and lay them on the inner mold of the molding machine. The material gripping robot then returns to its original position. Step S4: The molding machine starts working. While the molding machine is working, the cutting and stacking equipment continues to cut the next set of prepreg fabric. After molding is completed, the product is taken out and placed on the work station equipment to complete one work cycle.

9. The molding method of a vertical battery frame molding equipment according to claim 8, characterized in that, Step S4 also includes the following steps: Step S41: Start the heating tube of the inner mold to preheat the inner mold and the frame. The fiber cloth that has been cut and impregnated with resin has been placed on the frame. Step S42: Start the lead screw motor assembly to transport the left molding assembly, right molding assembly, and upper mold assembly to the inner mold station and align them with the inner mold; Step S43: Use the upper mold assembly to shape the fiber cloth on the upper end face of the frame, wherein the upper hydraulic cylinder of the upper mold assembly pushes the upper mold plate to press the fiber cloth on the upper end face of the frame through the upper guide rod; Step S44: After the upper mold assembly presses the fiber cloth, the left and right molding assemblies are used to shape the fiber cloth on both sides of the frame. The side hydraulic cylinders of the left and right molding assemblies push the side molding plates to press the fiber cloth on both sides of the frame through the side guide rods. Step S45: The fiber cloth on the frame is heat-cured according to the preset curing time; Step S46: After curing, start the ejector mechanism and the frame demolding mechanism. The first lifting cylinder of the ejector mechanism and the second lifting cylinder of the frame demolding mechanism move simultaneously, so that the clamping plate driven by the first lifting cylinder and the sliding plate driven by the second lifting cylinder fall into place. The two ejector pins of the clamping plate extend and press against the frame, and the sliding plate is located on the side of the inner mold and the clearance groove of the sliding plate is aligned with the inner mold. Step S47: Restart the left molding assembly, right molding assembly and upper mold assembly to return the side molding plates of the left molding assembly and right molding assembly to their original positions, and return the upper molding plate of the upper mold assembly to its original position. At the same time, start the ejector mechanism to drive the clamping plate back to its original position using the double guide rod cylinder. Step S48: Start the lead screw motor assembly to drive the side mold supports of the left and right molding assemblies to move on the linear guide rail in a direction away from the lead screw motor assembly. The left and right molding assemblies leave the inner mold. During the movement, the side mold supports drive the frame demolding mechanism installed on the side mold supports. The slide plate on the frame demolding mechanism pushes the frame on the inner mold out of the inner mold. Due to the existence of the clearance groove, the inner mold remains stationary. After the frame is separated from the inner mold, start the frame demolding mechanism again to drive the slide plate back to its original position and remove the frame to complete one work cycle.

10. The molding method of a vertical battery frame molding equipment according to claim 8, characterized in that, Steps S1, S2, and S3 also include the following steps: Step S11: Manually place the roll material into the end bracket of the prepreg equipment, start the receiving end roll material motor and roller motor, start the impregnation, the material shaft rotates to drive the fiber cloth to unfold and run, the two rollers rotate to squeeze out excess resin and assist in driving the fiber cloth to run, and adjust the gap between the two rollers according to the required amount of resin in the fiber cloth. Step S21: Manually place the glue-impregnated roll of fabric onto the bracket at the end of the cutting and stacking equipment using a cantilever hanger. Unfold the fabric and place it into the slot of the cutting and stacking equipment. The clamping mechanism of the cutting and stacking equipment clamps the fabric. Move and unfold the fabric to the required size. Then, the cutting mechanism cuts the fabric. The clamping mechanism continues to repeat the unfolding action to complete the cutting of multiple layers of fabric. Finally, cut the multiple layers of fabric into the required shape. The cutting is complete. Step S31: The four V-shaped needle components on the V-shaped needle gripper grip the four corners of the pre-compressed raw material. During gripping, the gripping robot moves the V-shaped needle components above the pre-compressed raw material. The two needle cylinders on the V-shaped needle components are activated and drive the two sets of needles arranged in a V-shape to extend from the needle seat to grip the pre-compressed raw material. During unloading, the gripping robot moves the pre-compressed raw material directly above the inner mold. The four V-shaped needle components move simultaneously. The two needle cylinders on the V-shaped needle components are activated and drive the two sets of needles arranged in a V-shape to retract from the needle seat, so that the pre-compressed raw material is laid on the frame of the inner mold.

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