Automatic demolding feeding platform

Abstract

The invention relates to the technical field of vulcanization equipment, in particular to an automatic demolding feeding platform which comprises a lower fixing plate, an upper fixing plate and a discharging sliding frame which are installed on a lower platform, and a lower mold and an upper mold are arranged on the opposite faces of the lower fixing plate and the upper fixing plate correspondingly. A driving piece for driving the lower fixing plate to move towards the discharging sliding frame is further fixedly mounted on the side edge of the lower platform; wherein an overturning assembly and a clamping assembly are arranged on the side edge of the discharging sliding frame, the clamping assembly is used for clamping the lower mold, and overturning discharging is conducted on the lower mold through the overturning assembly. The lower mold is moved to the discharging sliding frame through the driving piece, then the mold frame of the lower mold is clamped through the clamping assembly, overturning discharging is conducted on the mold frame through the overturning assembly, and therefore the purpose that a lining plate is automatically demolded and discharged from the mold frame can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of automatic demoulding and feeding platforms, in particular to an automatic demoulding and feeding platform. Background Art

[0002] In the production of rubber linings, the vulcanization process is one of the key steps. It uses heating to chemically change the rubber material to obtain the required physical properties. The vulcanizer is the core equipment to complete this process, usually including upper and lower heating platforms, which are used to heat and vulcanize rubber products.

[0003] During the operation of the vulcanizer, demoulding and unloading is an important step. In the traditional method, after the vulcanization is completed and the upper and lower molds are separated, it is necessary to manually operate between the upper and lower platforms of the vulcanizer to remove the vulcanized rubber lining from the lower mold. This process is not only inefficient, but also has certain safety risks and high labor intensity due to the need for manual intervention.

[0004] In order to improve the efficiency of demoulding and unloading and reduce labor costs, some vulcanizing machine equipment is designed with an unloading slide. This design pushes the lower mold onto the unloading slide through a driving part to facilitate manual removal of the unloading and subsequent raw material filling. Although this method improves the convenience of demoulding and unloading to a certain extent, the unloading operation of the liner still needs to be completed manually, so the efficiency improvement is limited and the labor input is still large. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art such as low demoulding and feeding efficiency and large amount of manual input, and to propose an automatic demoulding and feeding platform.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An automatic demoulding and feeding platform is designed, comprising a lower fixed plate, an upper fixed plate and a material unloading slide mounted on a lower platform, a lower mold and an upper mold are respectively arranged on opposite surfaces of the lower fixed plate and the upper fixed plate, and a driving member for driving the lower fixed plate to move toward the material unloading slide is also fixedly mounted on the side of the lower platform;

[0008] A flipping assembly and a clamping assembly are arranged on the side of the blanking slide, and the clamping assembly is used to clamp the lower mold, and the flipping assembly is used to flip the lower mold for blanking.

[0009] Furthermore, the lower mold includes a bottom plate fixedly connected to the lower fixed plate and a mold frame movably connected to the bottom plate;

[0010] The bottom plate is provided with a plurality of positioning holes, and the bottom of the mold frame is provided with positioning pins which are inserted and positioned with the positioning holes.

[0011] Furthermore, the clamping assembly includes a mounting frame, a rotating plate is rotatably connected to the top of the mounting frame, and a first motor for driving the rotating plate to rotate is fixedly connected to the bottom of the mounting frame;

[0012] Connecting rods are pinned at both ends of the rotating plate, sliding structures are slidably connected to both sides of the mounting frame, a clamping arm is rotatably connected to the sliding structure, and the other end of the connecting rod is pinned to the bent portion of the clamping arm.

[0013] Furthermore, the clamping arm and the bent portion together form an L-shaped structural member;

[0014] At least two connection holes are provided on the end surface of the clamping arm, and connection columns are fixedly connected to both sides of the mold frame, and the connection columns and the connection holes are interpenetrating.

[0015] Further, the sliding structure includes a sliding seat;

[0016] Slide grooves are provided on both sides of the upper end of the mounting frame, and the slide seat is slidably connected in the slide grooves, wherein a compression spring is fixedly connected between the slide seat and the slide groove;

[0017] A shaft rod is arranged above the slide seat, the clamping arm is rotatably connected to the shaft rod, and a limiting structure is arranged between the shaft rod and the clamping arm.

[0018] Furthermore, the limiting structure includes a stopper formed at the top end of the shaft, the stopper stops above the clamping arm and has a notch on its periphery, and a limiting pin is fixedly mounted on the upper end of the clamping arm and slides in the notch.

[0019] Furthermore, the shaft rod and the slide seat are movably plugged, and a lifting component is provided between the shaft rod and the mounting frame, and the clamped mold frame is lifted upward by the lifting component to separate the positioning pins on the mold frame from the positioning holes on the bottom plate.

[0020] Furthermore, the lifting assembly includes a guide groove opened on the slide seat, and a wheel is provided on the side of the shaft through a wheel axle, and the wheel axle is slidably connected in the guide groove;

[0021] A wedge block is fixedly installed on the upper end of the mounting frame, the wheel member slides along the upper surface of the mounting frame to the upper surface of the wedge block to raise the height of the shaft rod, a guide rod is fixedly installed on the end of the connecting rod, the bending portion and the guide rod are movably connected, and a spring is arranged between the bending portion and the guide rod.

[0022] Furthermore, the flipping assembly includes a fixing frame fixedly mounted on the side of the unloading slide, the mounting frame of the clamping assembly is rotatably connected to the opening side of the fixing frame, a second motor is fixedly mounted on the side of the fixing frame, and the shaft end of the second motor is connected to the side of the mounting frame to drive the mounting frame to rotate.

[0023] Furthermore, it also includes a top material assembly;

[0024] The ejection assembly includes a supporting plate fixed to the bottom of the unloading slide, a cylinder is fixedly installed on the bottom of the supporting plate, the axial end of the cylinder is fixedly connected to a mounting plate, a plurality of ejector rods are distributed on the mounting plate, wherein a spring connecting rod assembly is movably inserted inside the lower mold, and the rod end of the spring connecting rod assembly extends to the lower surface of the lower fixed plate and conflicts with the ejector rod.

[0025] An automatic demolding and feeding platform proposed in the present invention has the beneficial effect that: in the present invention, by adopting the design of a flipping component and a clamping component, during the demolding and unloading process, the lower mold is moved to the unloading slide by the driving component, and then the mold frame of the lower mold is clamped by the clamping component, and the mold frame is flipped and unloaded with the help of the flipping component, so that the purpose of automatically demolding and unloading the liner from the mold frame can be achieved. Compared with the manual removal and unloading method in the traditional solution, the present invention can greatly improve the unloading efficiency and operation safety of the liner. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The three-dimensional Figure 1 ;

[0027] Figure 2 The three-dimensional Figure 2 ;

[0028] Figure 3 It is a schematic diagram of the lower mold structure of the present invention;

[0029] Figure 4 The three-dimensional clamping assembly of the present invention Figure 1 ;

[0030] Figure 5 The three-dimensional clamping assembly of the present invention Figure 2 ;

[0031] Figure 6 for Figure 5 A schematic diagram of the enlarged structure of area A;

[0032] Figure 7 This is a state diagram of the lower fixed plate of the present invention when it moves onto the unloading slide;

[0033] Figure 8 This is a schematic diagram of the clamping arm of the present invention when performing a clamping action;

[0034] Fig. 9 for Figure 8 The main view;

[0035] Fig.10 It is a schematic structural diagram of the top material assembly of the present invention.

[0036] In the figure: 1, lower platform; 2, lower fixed plate; 21, lower mold; 211, bottom plate; 212, mold frame; 213, positioning hole; 214, connecting column; 3, upper fixed plate; 31, upper mold; 4, unloading slide; 5, driving member; 6, turning assembly; 61, fixed frame; 62, second motor; 7, clamping assembly; 71, mounting frame; 72, rotating plate; 73, first motor; 74, connecting rod; 75, sliding structure; 751, slide seat; 7 52. Slide groove; 753. Compression spring; 754. Limit pin; 755. Axle rod; 756. Stop portion; 757. Notch; 76. Clamping arm; 761. Bending portion; 762. Connecting hole; 77. Lifting assembly; 771. Guide groove; 772. Wheel piece; 773. Wedge block; 774. Spring; 8. Ejecting assembly; 81. Loading plate; 82. Cylinder; 83. Mounting plate; 84. Ejector rod; 85. Spring connecting rod assembly; 9. Lining plate. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0038] Reference Figure 1-10 An embodiment of the present invention discloses an automatic demoulding and feeding platform. Specifically, the demoulding and feeding platform is used to solve the problem of low material discharge efficiency in the current vulcanization operation of rubber liner, because the mold of the vulcanizer needs to manually take the liner 9 to complete the material discharge during the mold separation and material discharge process;

[0039] Reference Figure 1 , Figure 2Specifically, the demoulding and feeding platform includes a lower fixed plate 2, an upper fixed plate 3 and a material unloading slide 4 installed on the lower platform 1. The lower fixed plate 2 and the upper fixed plate 3 are respectively provided with a lower mold 21 and an upper mold 31 on the opposite surfaces. The upper fixed plate 3 described in this embodiment is installed below the upper platform of the vulcanizer, and the upper mold 31 is fixed to the lower side of the upper fixed plate 3. During the mold separation process, the upper platform drives the upper fixed plate 3 to move upward to separate the lower mold 21 and the upper mold 31. Thereafter, the lower mold 21 can move to one side of the material unloading slide 4 to facilitate subsequent material unloading operations. A driving member 5 for driving the lower fixed plate 2 to move toward the material unloading slide 4 is also fixedly installed on the side of the lower platform 1. Preferably, the driving member 5 described in this embodiment can be set as a hydraulic cylinder, and its connection and control method are conventional technical means of technicians in the relevant field, which will not be elaborated here.

[0040] A flipping assembly 6 and a clamping assembly 7 are provided on the side of the unloading slide 4, and the clamping assembly 7 is used to clamp the lower mold 21 and flip the lower mold 21 for unloading through the flipping assembly 6. That is, in the present invention, by adopting the design of the flipping assembly 6 and the clamping assembly 7, the lower mold 21 can be flipped and unloaded, so that the vulcanized liner 9 in the lower mold 21 can be poured out to improve the unloading and collection efficiency of the liner 9. Of course, technical personnel in the relevant field know that a collection box can also be placed on the side of the vulcanizer to facilitate the centralized collection of the flipped and fallen liner 9.

[0041] Reference Figure 3 In some embodiments, the lower mold 21 of the present invention includes a bottom plate 211 fixedly connected to the lower fixed plate 2 and a mold frame 212 movably connected to the bottom plate 211, and the end surface of the mold frame 212 has a plurality of molding holes, and a molding cavity is formed between the molding holes and the upper surface of the bottom plate 211, and the liner 9 is vulcanized in the molding cavity. In addition, Figure 3 As shown, since the rubber lining 9 has extensions on both sides, it will not fall during the upward lifting process, and can smoothly fall and discharge when flipped;

[0042] Reference Figure 3 The bottom plate 211 has a plurality of positioning holes 213, and the bottom of the mold frame 212 is provided with positioning pins that are plugged into the positioning holes 213 for positioning. The positioning pins and the positioning holes 213 are designed to facilitate the connection and positioning between the bottom plate 211 and the mold frame 212 to avoid the problem of misalignment in the connection between the two. Preferably, the positioning holes 213 and the positioning pins described in this embodiment are both provided with four, and are distributed in a matrix.

[0043] In the present invention, the lower mold 21 adopts a separate design of the bottom plate 211 and the mold frame 212 to form a two-section connectable mold structure. In the subsequent blanking process, the mold frame 212 can be clamped and flipped by the clamping assembly 7, so that the liner 9 in the mold frame 212 can be flipped and blanked. After the blanking is completed, the mold frame 212 can be reset to the bottom plate 211. The operation is simple, and the blanking efficiency of the vulcanized liner 9 is greatly improved.

[0044] Reference Figure 4 , Figure 5 , Figure 6 On the basis of the above embodiment, the clamping assembly 7 in this embodiment includes a mounting frame 71, a rotating plate 72 is rotatably connected to the upper side of the mounting frame 71, and a first motor 73 for driving the rotating plate 72 to rotate is fixedly connected to the lower side of the mounting frame 71;

[0045] Connecting rods 74 are pinned at both ends of the rotating plate 72 , sliding structures 75 are slidably connected to both sides of the mounting frame 71 , a clamping arm 76 is rotatably connected to the sliding structure 75 , and the other end of the connecting rod 74 is pinned to the bent portion 761 of the clamping arm 76 .

[0046] Specifically, the clamping arm 76 and the bending portion 761 in this embodiment together form an L-shaped structural member. Of course, in other embodiments, the angle of the bending portion 761 can also be adaptively adjusted according to the traction angle. Since the other end of the connecting rod 74 is pin-connected with the bending portion 761, when the first motor 73 drives the rotating plate 72 to rotate, the rotating plate 72 will drive the two connecting rods 74 to move relative to each other, thereby controlling the two clamping arms 76 to rotate to a position parallel to the side of the lower mold 21. Of course, in the initial state, the two clamping arms 76 are arranged horizontally and vertically along the side of the unloading slide 4, so as not to interfere with the movement of the lower mold 21.

[0047] Reference Figure 4 At least two connecting holes 762 are provided on the end surface of the clamping arm 76, and connecting columns 214 are fixedly connected on both sides of the mold frame 212. The connecting columns 214 and the connecting holes 762 are penetrated by each other, and the connecting holes 762 on the clamping arm 76 and the connecting columns 214 are penetrated and connected to maintain the relative clamping and fixing of the clamping arm 76 and the mold frame 212, so as to facilitate the subsequent flipping movement of the mold frame 212.

[0048] Reference Figure 6 , in some embodiments, the sliding structure 75 of the present invention includes a sliding seat 751;

[0049] Slide grooves 752 are provided on both sides of the upper end of the mounting frame 71, and the slide seat 751 is slidably connected in the slide grooves 752, wherein a compression spring 753 is fixedly connected between the slide seat 751 and the slide groove 752, and the compression spring 753 is designed to generate a thrust on the slide seat 751 during the initial movement process, so as to prevent the slide seat 751 from not moving when the clamping arm 76 rotates;

[0050] Reference Figure 6 A shaft rod 755 is arranged above the slide seat 751, and the clamping arm 76 is rotatably connected to the shaft rod 755. Of course, the clamping arm 76 described in this embodiment is limited up and down on the shaft rod 755, so that the subsequent clamping arm 76 can follow the shaft rod 755 to move up and down synchronously, and a limiting structure is arranged between the shaft rod 755 and the clamping arm 76.

[0051] Reference Figure 6 On the basis of the above embodiment, the limiting structure in this embodiment includes a stop portion 756 formed at the top end of the shaft 755, the stop portion 756 stops above the clamping arm 76, and a notch 757 is provided on its outer periphery, and a limiting pin 754 is fixedly installed on the upper end of the clamping arm 76 and slides in the notch 757.

[0052] In specific operation, when vulcanization is completed, the upper platform drives the upper fixed plate 3 to move upward, so that the upper mold 31 and the lower mold 21 are separated, and then the driving member 5 drives the lower fixed plate 2 to move toward one side of the unloading slide 4, and stops moving when it moves to a predetermined position;

[0053] After that, the first motor 73 drives the rotating plate 72 to rotate. When the rotating plate 72 rotates, the two bending parts 761 on both sides are driven to rotate through the two connecting rods 74, so that the clamping arms 76 on both sides are rotated from the horizontal state to the vertical state. The two clamping arms 76 are horizontally positioned on the two sides of the mold frame 212. During this process, the slide seat 751 will not move under the resistance of the compression spring 753.

[0054] Reference Figure 8 When the clamping arm 76 rotates to a vertical state, the limit pin 754 on the upper side thereof will abut against the notch 757 of the stopper portion 756. At this time, the limit pin 754 and the side stopper of the notch 757 are positioned, and the clamping arm 76 cannot rotate further. Therefore, when the first motor 73 further drives the rotating plate 72 to rotate, the connecting rods 74 on both sides will pull the bending portion 761 to further move linearly, thereby driving the slide seat 751 to move linearly inside the slide groove 752.

[0055] When the two slides 751 move relative to each other in a straight line, the two clamping arms 76 are driven to move relative to each other until the connecting holes 762 on the clamping arms 76 and the connecting columns 214 on the sides of the mold frame 212 are interpenetrated to complete the clamping and fixation of the clamping arms 76 and the mold frame 212. Thereafter, the entire clamping assembly 7 is flipped by the flipping assembly 6 to drive the mold frame 212 to flip to the other end of the unloading slide 4. At this time, the lining plate 9 can fall downward under the reverse force of gravity to complete the unloading.

[0056] Reference Figure 5 , Figure 6 Considering that positioning pins and positioning holes 213 are provided between the mold frame 212 and the base plate 211, the clamping arm 76 cannot rotate directly after clamping and fixing the mold frame 212, and an upward lifting movement should be performed to separate the positioning pins of the mold frame 212 and the positioning holes 213 on the base plate 212. Therefore, in this embodiment, the shaft rod 755 and the slide seat 751 are movably plugged, and a lifting assembly 77 is provided between the shaft rod 755 and the mounting frame 71. The clamped mold frame 212 is lifted upward by the lifting assembly 77 to separate the positioning pins on the mold frame 212 and the positioning holes 213 on the base plate 211.

[0057] Reference Figure 6 As a preference, the lifting assembly 77 in this embodiment includes a guide groove 771 provided on the slide seat 751, and a wheel member 772 is provided on the side of the shaft 755 through a wheel axle, and the wheel axle is slidably connected in the guide groove 771;

[0058] A wedge block 773 is fixedly installed on the upper end of the mounting frame 71, and the wheel member 772 slides along the upper surface of the mounting frame 71 to the upper surface of the wedge block 773 to raise the height of the shaft rod 755. A guide rod is fixedly installed on the end of the connecting rod 74, and the bending portion 761 is movably connected to the guide rod, and a spring 774 is provided between the bending portion 761 and the guide rod.

[0059] That is, during operation, after the two clamping arms 76 rotate to the vertical position, the first motor 73 drives the rotating plate 72 to rotate to drive the two clamping arms 76 to further move relative to each other for clamping. Since the movement of the slide 751 will drive the shaft rod 755 to move, the wheel member 772 on the shaft rod 755 will slide along the upper surface of the mounting frame 71 along the inclined surface of the wedge block 773 to the highest point of the wedge block 773. Therefore, when the two clamping arms 76 are passing through the connecting column 214, the wheel member 772 rises along the inclined surface of the wedge block 773 to drive the clamping arms 76 to move upward while moving in a straight line through the shaft rod 755. In this way, when the mold frame 212 is clamped and positioned, the mold frame 212 is lifted upward at the same time to ensure that the positioning pins at the bottom of the mold frame 212 and the positioning holes 213 on the bottom plate 211 are separated.

[0060] Reference Fig. 9 When the clamping arm 76 rotates to a vertical state, the distance between the wheel 772 and the wedge block 773 is L1, and the distance between the clamping arm 76 and the connecting column 214 is L2, and L1 is greater than L2, so as to ensure that the clamping arm 76 is first connected with the connecting column 214, and then the wedge block 773 resists and drives the clamping arm 76 to move upward to lift the mold frame 212;

[0061] Reference Fig. 9 Of course, the height from the bottom of the wedge block 773 to its upper plane in this embodiment is H1, and the height of the positioning pin is H2. H1 is greater than H2, so as to ensure that the lifting height of the clamping arm 76 is greater than the separation height of the positioning pin, so that the mold frame 212 and the bottom plate 211 can be separated smoothly.

[0062] On the basis of the above embodiment, the flipping assembly 6 in the present invention includes a fixing frame 61 fixedly mounted on the side of the unloading slide 4, the mounting frame 71 of the clamping assembly 7 is rotatably connected to the opening side of the fixing frame 61, and a second motor 62 is fixedly mounted on the side of the fixing frame 61, and the shaft end of the second motor 62 is connected to the side of the mounting frame 71 to drive the mounting frame 71 to rotate, that is, when the above-mentioned clamping assembly 7 clamps and lifts the mold frame 212, the entire mounting frame 71 is driven to rotate by the second motor 62 to complete the flipping and unloading of the mold frame 212.

[0063] Reference Fig.10 It should be noted that the present invention also includes a lifting assembly 8. Considering that the liner 9 may stick to the inside of the mold frame 212 before the material is turned over, in order to ensure the stability of the subsequent material discharge, the present invention uses the lifting assembly 8 to lift up the liner 9 in each molding cavity in the lower mold 21, so as to ensure that the liner 9 can smoothly fall from the mold frame 212 during the subsequent turning movement;

[0064] Specifically, the ejection assembly 8 in this embodiment includes a supporting plate 81 fixed to the bottom of the unloading slide 4, a cylinder 82 is fixedly installed on the bottom of the supporting plate 81, the axial end of the cylinder 82 is fixedly connected to a mounting plate 83, and a plurality of ejector rods 84 are distributed on the mounting plate 83, wherein a spring connecting rod assembly 85 is movably inserted inside the lower mold 21, and the rod end of the spring connecting rod assembly 85 extends to the lower surface of the lower fixed plate 2 and conflicts with the ejector rod 84.

[0065] Reference Fig.10Specifically, the spring connecting rod assembly 85 described in this embodiment includes a spring member and a rod end, and the rod end is movably inserted between the lower fixed plate 2 and the bottom plate 211, and the upper end of the rod member is flush with the upper end of the bottom plate 211, and the bottom is flush with the bottom of the lower fixed plate 2, wherein the spring member is connected between the rod end and the lower fixed plate 2. During the specific ejection movement, when the driving member 5 drives the lower fixed plate 2 to move into place, the cylinder 82 drives the mounting plate 83 to move upward. At this time, the ejector rod 84 on the mounting plate 83 will contact the rod end of the spring connecting rod assembly 85, thereby driving the rod end to move upward and contacting the lining plate 9 to move upward a small distance, thereby solving the problem of the lining plate 9 and the mold frame 212 sticking to each other and affecting the subsequent unloading. After the positioning action is completed, the cylinder 82 is reset, and the rod end is reset under the action of the spring member, and then the mold frame 212 is flipped by the flipping assembly 6. At this time, the lining plate 9 can smoothly fall from the mold frame 212 to complete the unloading, thus realizing the entire demoulding and unloading action.

[0066] In summary, in the present invention, by adopting the design of the flipping component 6 and the clamping component 7, during the process of demolding and unloading, the driving component 5 moves the lower mold 21 to the unloading slide 4, and then the mold frame 212 of the lower mold 21 is clamped by the clamping component 7, and the mold frame 212 is flipped and unloaded with the help of the flipping component 6, so that the purpose of automatically demolding and unloading the liner 9 from the mold frame 212 can be achieved. Compared with the manual removal and unloading method in the traditional solution, the present invention can greatly improve the unloading efficiency and operation safety of the liner 9.

[0067] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic demoulding and feeding platform, characterized in that: The invention comprises a lower fixed plate (2), an upper fixed plate (3) and a material discharging slide (4) installed on a lower platform (1); a lower mold (21) and an upper mold (31) are respectively arranged on opposite surfaces of the lower fixed plate (2) and the upper fixed plate (3); and a driving member (5) for driving the lower fixed plate (2) to move toward the material discharging slide (4) is also fixedly installed on the side of the lower platform (1); A flipping assembly (6) and a clamping assembly (7) are arranged on the side of the blanking slide (4); the clamping assembly (7) is used to clamp the lower die (21) and flip the lower die (21) for blanking through the flipping assembly (6).

2. The automatic demoulding and feeding platform according to claim 1, characterized in that: The lower mold (21) comprises a bottom plate (211) fixedly connected to the lower fixed plate (2) and a mold frame (212) movably connected to the bottom plate (211); The bottom plate (211) is provided with a plurality of positioning holes (213), and the bottom of the mold frame (212) is provided with positioning pins which are plugged into and positioned with the positioning holes (213).

3. The automatic demoulding and feeding platform according to claim 2, characterized in that: The clamping assembly (7) comprises a mounting frame (71), a rotating plate (72) is rotatably connected to the top of the mounting frame (71), and a first motor (73) for driving the rotating plate (72) to rotate is fixedly connected to the bottom of the mounting frame (71); Connecting rods (74) are pinned at both ends of the rotating plate (72), sliding structures (75) are slidably connected to both sides of the mounting frame (71), a clamping arm (76) is rotatably connected to the sliding structure (75), and the other end of the connecting rod (74) is pinned to the bent portion (761) of the clamping arm (76).

4. The automatic demoulding and feeding platform according to claim 3, characterized in that: The clamping arm (76) and the bent portion (761) together form an L-shaped structural member; At least two connection holes (762) are provided on the end surface of the clamping arm (76), and connection columns (214) are fixedly connected to both sides of the mold frame (212), and the connection columns (214) and the connection holes (762) are interpenetrating.

5. The automatic demoulding and feeding platform according to claim 3, characterized in that: The sliding structure (75) comprises a sliding seat (751); Slide grooves (752) are provided on both sides of the upper end of the mounting frame (71), and the slide seat (751) is slidably connected in the slide grooves (752), wherein a compression spring (753) is fixedly connected between the slide seat (751) and the slide groove (752); A shaft rod (755) is arranged above the sliding seat (751), the clamping arm (76) is rotatably connected to the shaft rod (755), and a limiting structure is arranged between the shaft rod (755) and the clamping arm (76).

6. The automatic demoulding and feeding platform according to claim 5, characterized in that: The limiting structure includes a stop portion (756) formed at the top end of the shaft (755), the stop portion (756) stops above the clamping arm (76) and has a notch (757) formed on its outer periphery, and a limit pin (754) is fixedly installed at the upper end of the clamping arm (76) and slides in the notch (757).

7. The automatic demoulding and feeding platform according to claim 5, characterized in that: The shaft rod (755) and the slide seat (751) are movably plugged, and a lifting assembly (77) is provided between the shaft rod (755) and the mounting frame (71). The clamped mold frame (212) is lifted upward by the lifting assembly (77) so that the positioning pins on the mold frame (212) and the positioning holes (213) on the bottom plate (211) are separated.

8. The automatic demoulding and feeding platform according to claim 7, characterized in that: The lifting assembly (77) comprises a guide groove (771) provided on the slide seat (751); a wheel member (772) is provided on the side of the shaft (755) via a wheel axle, and the wheel axle is slidably connected in the guide groove (771); A wedge block (773) is fixedly mounted on the upper end of the mounting frame (71); the wheel member (772) slides along the upper surface of the mounting frame (71) to the upper surface of the wedge block (773) to raise the height of the shaft rod (755); a guide rod is fixedly mounted on the end of the connecting rod (74); the bending portion (761) is movably connected to the guide rod, and a spring (774) is provided between the bending portion (761) and the guide rod.

9. An automatic demoulding and feeding platform according to any one of claims 1 to 8, characterized in that: The flip assembly (6) includes a fixed frame (61) fixedly mounted on the side of the unloading slide (4); the mounting frame (71) of the clamping assembly (7) is rotatably connected to the open side of the fixed frame (61); a second motor (62) is fixedly mounted on the side of the fixed frame (61); the shaft end of the second motor (62) is connected to the side of the mounting frame (71) to drive the mounting frame (71) to rotate.

10. An automatic demoulding and feeding platform according to any one of claims 2 to 8, characterized in that: Also includes a top material assembly (8); The ejector assembly (8) comprises a supporting plate (81) fixed to the bottom of the unloading slide (4), a cylinder (82) being fixedly mounted on the bottom of the supporting plate (81), a mounting plate (83) being fixedly connected to the axial end of the cylinder (82), a plurality of ejector rods (84) being distributed on the mounting plate (83), wherein a spring connecting rod assembly (85) is movably inserted inside the lower mold (21), the rod end of the spring connecting rod assembly (85) extending to the lower surface of the lower fixed plate (2) and abutting against the ejector rod (84).

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