Multi-section pressure regulation and control device in plate pressing process

Abstract

The invention relates to the technical field of pressure regulation and control, and discloses a multi-section pressure regulation and control device in a plate pressing process, the multi-section pressure regulation and control device comprises a supporting and positioning mechanism, the middle position of the supporting and positioning mechanism is connected with a multi-section pressure regulation mechanism, and the supporting and positioning mechanism comprises a supporting and positioning base; through a precise meshing mechanism of the first adjusting rack, the second adjusting rack and the adjusting gear, cooperative work of the first hot-pressing frame and the second hot-pressing frame is achieved, and bidirectional uniform pressing is conducted on multiple layers of plates in the multi-section pressure adjusting and controlling process; in the high-pressure stage, the two hot-pressing frames act at the same time, so that the interior of the plate is in a bidirectional uniform compression state, the bending or warping phenomenon of the plate is effectively reduced, and the interlayer bonding strength and flatness of the plate are remarkably improved; the two-way pressing mode not only reduces rework and rejection rate caused by deformation or infirm combination of the plate, but also promotes sufficient filling of the adhesive through uniform stress distribution, and further enhances the overall performance of the plate.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of pressure regulation, and particularly relates to a multi-section pressure regulation device in a plate pressing process. BACKGROUND

[0002] In the plate pressing process, the multi-section pressure regulation device has become a core technical means for improving the pressing quality by precisely controlling the pressure parameters in stages. The working principle is based on dynamic optimization of the whole pressing process: the pressing period is divided into key stages such as initial pressure, medium pressure, high pressure and low pressure, and the gradient regulation of the pressure value is used to realize the collaborative control of the adhesive flow, gas discharge, interlayer bonding and residual stress release. For example, low pressure is used in the initial pressure stage to promote the escape of volatile substances and preheat the material; the medium pressure stage promotes the adhesive to fully fill the interlayer gap; the high pressure stage realizes the curing and shaping of the adhesive; and finally, the low pressure stage releases the internal stress to prevent the plate from warping and deforming. The device is usually composed of a high-precision pressure application system and an intelligent control unit, and its technical advantages are reflected in significantly improving the interlayer bonding strength, improving the surface flatness, and reducing the rework rate and comprehensive production cost.

[0003] In the field of building decoration plate pressing in the prior art, due to the large size and high rigidity of the plate, the existing multi-section pressure regulation device generally adopts a one-way pressure application mode: the multi-layer plate is placed horizontally on a rigid support surface, and the pressure is applied from top to bottom by a top hydraulic device. This design causes the plate to bear a one-way net pressure, and the pressure transmission presents a significant gradient attenuation characteristic: the top pressure directly acts on the material surface, while the bottom forms a stress concentration area due to the constraint of the support surface. This non-uniform stress distribution easily causes local deformation (such as edge warping), micro-crack propagation and other defects, which seriously affects the product qualification rate. In addition, under the one-way pressure application mode, the plate and the support surface form a strong adsorption effect, making it difficult for the plate to separate, and special separation mechanisms or manual prying methods need to be used, which increases the operation complexity and easily causes damage to the edges of the plate, and also makes it difficult to move and transport the plate, significantly restricting the large-scale application of the multi-section pressure regulation device in the building decoration field.

[0004] Therefore, it is necessary to invent a multi-section pressure regulation device in a plate pressing process to solve the above problems, which can realize the uniformization control of the internal stress field of the plate through innovative pressure application, and can also construct a convenient and separated pressing interface to simplify the separation process. SUMMARY

[0005] To solve the above problems, the application provides a multi-section pressure regulation device in a plate pressing process.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a multi-section pressure regulating device in a plate pressing process, comprising a support positioning mechanism, a plurality of section pressure regulating mechanisms are connected to the middle position of the support positioning mechanism, wherein, The support positioning mechanism comprises a support positioning base, a support positioning frame is fixedly arranged at the top end of the support positioning base, and three positioning grooves are formed in the inner walls of the support positioning base on both sides. The multi-section pressure regulating mechanism comprises a first hot pressing frame and a second hot pressing frame, a hydraulic cylinder is fixedly arranged at the top end of the support positioning frame, the output end of the hydraulic cylinder is fixedly connected to the top end of the first hot pressing frame, the outer wall of the second hot pressing frame is in sliding contact with the middle position of the support positioning base, three first adjusting racks are fixedly arranged on both sides of the first hot pressing frame, adjusting gears are rotatably arranged on the inner walls of the six positioning grooves, three second adjusting racks are fixedly arranged on both sides of the second hot pressing frame, the tooth surfaces of the six first adjusting racks correspond to one side position of the six adjusting gears, respectively, and the tooth surfaces of the six second adjusting racks are engaged with the other side of the six adjusting gears.

[0007] Preferably, two connecting shafts are rotatably connected to the top end of the first hot pressing frame through positioning seats, balance gears are fixedly arranged at the two ends of the two connecting shafts, balance racks are fixedly arranged at the two ends of the support positioning frame on both sides, and the tooth surfaces of the four balance gears are engaged with the tooth surfaces of the four balance racks, respectively.

[0008] Preferably, grooves are formed in the bottom ends of the support positioning frame on both sides.

[0009] Preferably, an auxiliary discharging mechanism is connected to the middle position of the second hot pressing frame, and a lifting control mechanism is connected to the bottom end of the auxiliary discharging mechanism.

[0010] Preferably, the auxiliary discharging mechanism comprises three support plates and three lifting frames, the two ends of the three lifting frames are connected to each other through connecting rods, the two ends of the three support plates are fixedly provided with positioning rings, auxiliary rollers are rotatably connected to the inner walls of the three groups of positioning rings, support seats are fixedly arranged at the two ends of the top of the three lifting frames, first positioning helical gears are fixedly arranged at one end of the six positioning rings through the six support seats, respectively, support frames are fixedly arranged on the outer walls of the two support seats, positioning shafts are rotatably arranged at one end of the two support frames, second positioning helical gears are fixedly arranged at the two ends of the positioning shafts and the middle position of the positioning shaft, and the tooth surfaces of the six first positioning helical gears are engaged with the tooth surfaces of the four second positioning helical gears, respectively.

[0011] Preferably, the outer wall of one of the positioning rings is fixedly provided with a positioning gear ring, one side of one of the support bases is rotatably provided with a positioning gear, the tooth surface of the positioning gear ring is engaged with the tooth surface of the positioning gear, and the other side of one of the support bases is fixedly provided with a first speed reducer, and the output end of the first speed reducer is fixedly connected with the middle position of the positioning gear.

[0012] Preferably, the lifting control mechanism comprises a bidirectional positioning screw rod, the outer wall of the bidirectional positioning screw rod is threadedly connected with a first moving seat at both ends, the top end of each of the two first moving seats is rotatably provided with a rotating rod, the middle positions of the two rotating rods are rotatably connected with each other, the top end of each of the two rotating rods is rotatably provided with a second moving seat, both sides of the middle position of one of the lifting frames are provided with a first sliding groove, both sides of the inner wall of each of the two first sliding grooves are provided with a first limiting groove, the outer wall of each of the two second moving seats is slidably connected with the two first sliding grooves, and is slidably supported by the two first limiting grooves, one end of the bidirectional positioning screw rod is fixedly provided with a fixed shaft, one side of the second hot-pressing frame is fixedly provided with a second speed reducer, and the output end of the second speed reducer is fixedly connected with one end of the fixed shaft.

[0013] Preferably, the top end of the second hot-pressing frame is provided with three first fixing grooves, the bottom end of the second hot-pressing frame close to the three first fixing grooves is provided with a second fixing groove, and the three support plates and auxiliary rollers are located in the interiors of the three first fixing grooves, respectively.

[0014] Preferably, the middle position of one of the second fixing grooves is provided with a third fixing groove, the lifting control mechanism is located in the third fixing groove, and the bottom end of the third fixing groove is provided with a second sliding groove at both ends, both sides of each of the two second sliding grooves are provided with a second limiting groove, and the outer wall of each of the two first moving seats is slidably in contact with the inner wall of each of the two second sliding grooves and is slidably supported by the second limiting groove.

[0015] Preferably, one side of the support positioning base is fixedly provided with an intelligent control panel, and the first speed reducer, the second speed reducer, the hydraulic cylinder, the first hot-pressing frame and the second hot-pressing frame are electrically connected with the external power supply through the intelligent control panel.

[0016] The technical effects and advantages of the present application are as follows: The present application realizes the cooperative work of the first hot press frame and the second hot press frame through the precise meshing mechanism of the first adjusting rack, the second adjusting rack and the adjusting gear, and uniformly presses the multi-layer board in two directions in the multi-stage pressure regulation process; in the high-pressure stage, the two hot press frames act simultaneously, so that the inside of the board is in a state of uniform compression in two directions, effectively reducing the bending or warping of the board, and significantly improving the interlayer bonding strength and flatness of the board; this two-way pressing method not only reduces the rework and scrap rate caused by deformation or poor bonding of the board, but also promotes the full filling of the adhesive through uniform stress distribution, further enhancing the overall performance of the board; The present application realizes the cooperative work of the first hot press frame and the second hot press frame through the precise meshing mechanism of the first adjusting rack, the second adjusting rack and the adjusting gear, and uniformly presses the multi-layer board in two directions in the multi-stage pressure regulation process; in the high-pressure stage, the two hot press frames act simultaneously, so that the inside of the board is in a state of uniform compression in two directions, effectively reducing the bending or warping of the board, and significantly improving the interlayer bonding strength and flatness of the board; this two-way pressing method not only reduces the rework and scrap rate caused by deformation or poor bonding of the board, but also promotes the full filling of the adhesive through uniform stress distribution, further enhancing the overall performance of the board; The present application realizes the cooperative work of the first hot press frame and the second hot press frame through the precise meshing mechanism of the first adjusting rack, the second adjusting rack and the adjusting gear, and uniformly presses the multi-layer board in two directions in the multi-stage pressure regulation process; in the high-pressure stage, the two hot press frames act simultaneously, so that the inside of the board is in a state of uniform compression in two directions, effectively reducing the bending or warping of the board, and significantly improving the interlayer bonding strength and flatness of the board; this two-way pressing method not only reduces the rework and scrap rate caused by deformation or poor bonding of the board, but also promotes the full filling of the adhesive through uniform stress distribution, further enhancing the overall performance of the board;

[0017] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 is a schematic diagram of the multi-stage pressure regulation device of the present application; Figure 2 is a schematic diagram of the multi-stage pressure regulation mechanism distribution of the present application; Figure 3 is the schematic diagram of the support positioning mechanism of the present application; Figure 4 is the schematic diagram of the multi-stage pressure regulating mechanism of the present application in the pressurized state; Figure 5 is the schematic diagram of the distribution of the second hot press of the present application; Figure 6 is the schematic diagram of the second hot press of the present application; Figure 7 is the schematic diagram of the distribution of the auxiliary blanking mechanism and the lifting control mechanism in the second hot press of the present application; Figure 8 is the schematic diagram of the first angle of section of the second hot press of the present application; Figure 9 is the schematic diagram of the second angle of section of the second hot press of the present application; Figure 10 is the schematic diagram of the distribution of the auxiliary blanking mechanism and the lifting control mechanism of the present application; Figure 11 is the schematic diagram of the connection of the auxiliary blanking mechanism of the present application; Figure 12 is the schematic diagram of the auxiliary blanking mechanism of the present application; Figure 13 is the schematic diagram of the distribution of the lifting control mechanism of the present application; Figure 14 is the schematic diagram of the distribution of the lifting frame and the connecting rod of the present application; Figure 15 is the schematic diagram of the lifting control mechanism of the present application.

[0020] In the figure: 1. Support and positioning mechanism; 101. Support and positioning base; 102. Support and positioning frame; 103. Through slot; 104. Positioning slot; 105. Balance rack; 2. Multi-stage pressure adjustment mechanism; 201. First hot pressing frame; 202. Second hot pressing frame; 203. Hydraulic cylinder; 204. Positioning seat; 205. Connecting shaft; 206. Balance gear; 207. First adjusting rack; 208. Adjusting gear; 209. Second adjusting rack; 210. First fixed slot; 211. Second fixed slot; 212. Third fixed slot; 213. Second sliding slot; 214. Second limiting slot; 3. Auxiliary lower Material mechanism; 301, support plate; 302, positioning ring; 303, auxiliary roller; 304, first positioning bevel gear; 305, positioning shaft; 306, second positioning bevel gear; 307, positioning gear ring; 308, positioning gear; 309, first reduction motor; 310, lifting frame; 311, connecting rod; 312, support seat; 313, support frame; 4, lifting control mechanism; 401, bidirectional positioning screw; 402, first sliding groove; 403, first limiting groove; 404, fixed shaft; 405, second reduction motor; 406, first moving seat; 407, rotating rod; 408, second moving seat. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0022] The present invention provides Figures 1-15 The multi-stage pressure regulating device in the process of plate pressing shown in the figure comprises a support and positioning mechanism 1, and a multi-stage pressure regulating mechanism 2 is connected to the middle position of the support and positioning mechanism 1, wherein: The support and positioning mechanism 1 includes a support and positioning base 101, a support and positioning frame 102 is fixed on the top of the support and positioning base 101, and three positioning grooves 104 are opened on both sides of the inner wall of the support and positioning base 101; The multi-section pressure regulating mechanism 2 comprises a first hot press frame 201 and a second hot press frame 202, the top end of the support positioning frame 102 is fixedly provided with a hydraulic cylinder 203, the output end of the hydraulic cylinder 203 is fixedly connected with the top end of the first hot press frame 201, the outer wall of the second hot press frame 202 is in sliding contact with the middle position of the support positioning base 101, the two sides of the first hot press frame 201 are fixedly provided with three first adjusting racks 207, the inner wall of the six positioning grooves 104 is rotatably provided with an adjusting gear 208, the two sides of the second hot press frame 202 are fixedly provided with three second adjusting racks 209, the tooth surface of the six first adjusting racks 207 is respectively in position correspondence with one side of the six adjusting gears 208, and the tooth surface of the six second adjusting racks 209 is respectively in mesh with the other side of the six adjusting gears 208; The top end of the first hot press frame 201 is rotatably connected with two connecting shafts 205 through a positioning seat 204, the two ends of the two connecting shafts 205 are fixedly provided with a balance gear 206, the two ends of the support positioning frame 102 are fixedly provided with a balance rack 105, and the tooth surface of the four balance gears 206 is respectively in mesh with the tooth surface of the four balance racks 105; the bottom end of the support positioning frame 102 is provided with a through groove 103; When the multi-section pressure regulating device needs to be used in the plate pressing process, the plate to be pressed is placed between the first hot press frame 201 and the second hot press frame 202, the output end of the hydraulic cylinder 203 fixedly arranged at the top end of the support positioning frame 102 drives the first hot press frame 201 to ascend and descend, the positioning of the positioning seat 204 fixedly arranged at the top end of the first hot press frame 201 enables the connecting shaft 205 rotatably arranged at the middle position of the positioning seat 204 to ascend and descend synchronously, the balance gear 206 fixedly arranged at the two ends of the connecting shaft 205 is in mesh with the balance rack 105 fixedly arranged at the outer wall of the support positioning frame 102, and the ascending and descending stability of the first hot press frame 201 is maintained; When the bottom end of the first hot press frame 201 contacts the top end of the plate to be pressed, the hydraulic cylinder 203 is controlled in the initial pressure state at this time, the gas between the plates is driven, the multi-layer plates are preliminarily attached and the material is preheated, the first adjusting rack 207 fixed at the bottom end of the first hot press frame 201 does not contact the tooth surface of the adjusting gear 208 at this time, after a certain time of initial pressure, the hydraulic cylinder 203 is controlled in the medium pressure state, the interlayer gap of the multi-layer plate adhesive is filled, and the generation of wrinkles is prevented, at this time, the first adjusting rack 207 fixed at the bottom end of the first hot press frame 201 just contacts the tooth surface of the adjusting gear 208, and does not mesh, after a certain time of medium pressure, the hydraulic cylinder 203 is controlled in the high pressure state, at this time, the tooth surface of the first adjusting rack 207 meshes with the tooth surface of the adjusting gear 208, so that the second adjusting rack 209 meshing on the outer wall of the adjusting gear 208 drives the second hot press frame 202 to extrude upward, so that the multi-layer plate is placed in the middle and at the same time bears equal pressure from top and bottom, the net external force is zero, but the internal part is in a two-way uniform compression state, the balance of the pressure on both sides can reduce the bending or warping of the plate, the stress distribution is more uniform, the uniform stress helps to improve the interlayer bonding strength and flatness of the plate; the two-way pressure promotes the uniform distribution of the adhesive between the multi-layer plates, fully fills the interlayer gap, and improves the interlayer bonding strength; at the same time, uniform stress can reduce the residual internal stress after pressing, reduce the risk of deformation of the plate, and improve the dimensional stability of the product; two-way pressing reduces the overall production cost by reducing rework and scrap rate.

[0023] As a specific embodiment of the present application, the second hot press frame 202 is connected with an auxiliary discharging mechanism 3 at the middle position, and the bottom end of the auxiliary discharging mechanism 3 is connected with a lifting control mechanism 4.

[0024] As a specific embodiment of the present application, the lifting control mechanism 4 comprises a bidirectional positioning screw rod 401, the two ends of the outer wall of the bidirectional positioning screw rod 401 are threadedly connected with first moving seats 406, the top ends of the two first moving seats 406 are rotatably provided with rotating rods 407, the middle positions of the two rotating rods 407 are rotatably connected with each other, the top ends of the two rotating rods 407 are rotatably provided with second moving seats 408, the two sides of the middle position of one of the lifting frames 310 are provided with first sliding grooves 402, the two sides of the inner walls of the two first sliding grooves 402 are provided with first limiting grooves 403, the outer walls of the two second moving seats 408 are respectively slidably connected with the two first sliding grooves 402, and are slidably supported by the two first limiting grooves 403, one end of the bidirectional positioning screw rod 401 is fixedly provided with a fixed shaft 404, one side of the second hot press frame 202 is fixedly provided with a second speed reducer 405, and the output end of the second speed reducer 405 is fixedly connected with one end of the fixed shaft 404. When the plate pressing is completed, the output end of the second speed reducer 405 fixed on one side of the second hot pressing frame 202 drives the fixed shaft 404 and the bidirectional positioning lead screw 401 to rotate, so that the first moving seat 406 threadedly connected at both ends of the bidirectional positioning lead screw 401 moves in opposite directions along the two second sliding grooves 213, so that the rotating rod 407 rotating at the top of the two first moving seats 406 rotates, so that the second moving seat 408 rotating at the top of the two rotating rods 407 expands outward along the first sliding groove 402 opened at the top of the lifting frame 310, so that the three lifting frames 310 connected by the connecting rod 311 move downward along the three first fixed grooves 210 respectively, so that the middle position of the bottom end of the plate inputs air, so that the bottom end of the pressed plate is weakened by the adsorption force of the top end of the second hot pressing frame 202, reducing the hidden trouble problem of the plate being difficult to separate due to the formation of strong adsorption, avoiding the use of special separation mechanism or manual prying method, which not only reduces the operation complexity, but also avoids causing damage to the edge of the plate.

[0025] As a specific embodiment of the present application, the auxiliary blanking mechanism 3 includes three supporting plates 301 and three lifting frames 310, both ends of the three lifting frames 310 are connected to each other by connecting rods 311, both ends of the three supporting plates 301 are fixedly provided with positioning rings 302, the inner walls of the three groups of positioning rings 302 are rotatably connected with auxiliary rollers 303, both ends of the top of the three lifting frames 310 are fixedly provided with supporting seats 312, one end of the six positioning rings 302 passes through the six supporting seats 312 and is fixedly provided with first positioning bevel gears 304, the outer walls of two supporting seats 312 are fixedly provided with supporting frames 313, one end of the two supporting frames 313 is rotatably provided with a positioning shaft 305, both ends of the two positioning shafts 305 and the middle position of the positioning shaft 305 are fixedly provided with second positioning bevel gears 306, the tooth surfaces of the six first positioning bevel gears 304 are respectively engaged with the tooth surfaces of the four second positioning bevel gears 306; The outer wall of one of the positioning rings 302 is fixedly provided with a positioning gear ring 307, one side of one of the supporting seats 312 is rotatably provided with a positioning gear 308, the tooth surface of the positioning gear ring 307 is engaged with the tooth surface of the positioning gear 308, the other side of one of the supporting seats 312 is fixedly provided with a first speed reducer 309, the output end of the first speed reducer 309 is fixedly connected with the middle position of the positioning gear 308; The output end of the first speed reducer motor 309 fixed on one side of the support seat 312 drives the positioning gear 308 to rotate, the tooth surface of the positioning gear 308 meshes with the tooth surface of the positioning gear ring 307, so that the positioning gear ring 307 drives the positioning ring 302 and the first positioning bevel gear 304 to rotate, the positioning shaft 305 rotating at the middle position of the two support frames 313 drives the six second positioning bevel gears 306 to rotate in two groups through the positioning of the support frame 313 fixed on the outer wall of the two support frames 313, and the tooth surface of the first positioning bevel gear 304 meshes with the tooth surface of the second positioning bevel gear 306, so that the three groups of support plates 301 and the auxiliary roller 303 rotate, so that the auxiliary roller 303 rotates upward, and the top surface of the auxiliary roller 303 is higher than the top end of the second hot pressing frame 202 through the control of the lifting control mechanism 4, so that the plate material after pressing is pushed out upward, avoiding plate material adsorption, and facilitating auxiliary transportation, reducing the problem of moving difficulty caused by large size and large weight of the plate material.

[0026] As a specific embodiment of the present application, the top end of the second hot pressing frame 202 is provided with three first fixing grooves 210, the bottom end of the second hot pressing frame 202 close to the three first fixing grooves 210 is provided with a second fixing groove 211, the three support plates 301 and the auxiliary roller 303 are located in the interior of the three first fixing grooves 210 respectively, and the three lifting frames 310 are located in the interior of the three second fixing grooves 211 respectively. The middle position of one of the second fixing grooves 211 is provided with a third fixing groove 212, the lifting control mechanism 4 is located in the interior of the third fixing groove 212, the bottom of the third fixing groove 212 is provided with two second sliding grooves 213 at both ends, the two sides of the two second sliding grooves 213 are provided with second limiting grooves 214, and the outer wall of the two first moving seats 406 is in sliding contact with the inner wall of the two second sliding grooves 213 respectively, and is slidingly supported through the second limiting grooves 214.

[0027] As a specific embodiment of the present application, the side of the support positioning base 101 is fixedly provided with an intelligent control panel, the first speed reducer motor 309, the second speed reducer motor 405, the hydraulic cylinder 203, the first hot pressing frame 201 and the second hot pressing frame 202 are electrically connected with the external power supply through the intelligent control panel.

[0028] Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A multi-stage pressure control device for a plate pressing process, comprising a support and positioning mechanism (1), characterized in that: The middle position of the support and positioning mechanism (1) is connected to a multi-section pressure adjustment mechanism (2), wherein: The support and positioning mechanism (1) comprises a support and positioning base (101), a support and positioning frame (102) is fixedly provided on the top of the support and positioning base (101), and three positioning grooves (104) are provided on both sides of the inner wall of the support and positioning base (101); The multi-stage pressure regulating mechanism (2) comprises a first hot pressing frame (201) and a second hot pressing frame (202), a hydraulic cylinder (203) is fixedly provided at the top end of the support positioning frame (102), an output end of the hydraulic cylinder (203) is fixedly connected to the top end of the first hot pressing frame (201), an outer wall of the second hot pressing frame (202) is in sliding contact with the middle position of the support positioning base (101), three first regulating racks (207) are fixedly provided on both sides of the first hot pressing frame (201), regulating gears (208) are rotatably provided on the inner walls of the six positioning grooves (104), and three second regulating racks (209) are fixedly provided on both sides of the second hot pressing frame (202), the tooth surfaces of the six first regulating racks (207) correspond to the positions of one side of the six regulating gears (208), and the tooth surfaces of the six second regulating racks (209) are respectively meshed with the other side of the six regulating gears (208).

2. The multi-stage pressure control device for sheet metal lamination according to claim 1, characterized in that: The top end of the first hot pressing frame (201) is rotatably connected to two connecting shafts (205) via a positioning seat (204), and both ends of the two connecting shafts (205) are fixed with balancing gears (206). Both ends of both sides of the supporting positioning frame (102) are fixed with balancing racks (105), and the tooth surfaces of the four balancing gears (206) are respectively engaged with the tooth surfaces of the four balancing racks (105).

3. The multi-stage pressure control device for sheet metal lamination according to claim 1, characterized in that: Through slots (103) are provided at the bottom ends of both sides of the support and positioning frame (102).

4. The multi-stage pressure control device for sheet metal lamination according to claim 1, characterized in that: An auxiliary unloading mechanism (3) is connected to the middle position of the second hot pressing frame (202), and a lifting control mechanism (4) is connected to the bottom end of the auxiliary unloading mechanism (3).

5. The multi-stage pressure control device for sheet metal lamination according to claim 4, characterized in that: The auxiliary unloading mechanism (3) comprises three support plates (301) and three lifting frames (310), both ends of the three lifting frames (310) are connected to each other by connecting rods (311), both ends of the three support plates (301) are fixed with positioning rings (302), the inner walls of the three groups of positioning rings (302) are rotatably connected with auxiliary rollers (303), both ends of the tops of the three lifting frames (310) are fixed with support seats (312), one end of the six positioning rings (302) passes through the six support seats (312) and is fixed with a first positioning bevel gear (304), wherein the outer walls of two of the support seats (312) are fixed with support frames (313), one end of the two support frames (313) is rotatably provided with a positioning shaft (305), and both ends of the two positioning shafts (305) and the middle position of the positioning shaft (305) are fixed with a second positioning bevel gear (306). The tooth surfaces of the six first positioning helical gears (304) are respectively meshed with the tooth surfaces of the four second positioning helical gears (306).

6. The multi-stage pressure control device for sheet metal lamination according to claim 5, characterized in that: A positioning gear ring (307) is fixedly provided on the outer wall of one of the positioning rings (302), a positioning gear (308) is rotatably provided on one side of one of the support seats (312), the tooth surface of the positioning gear ring (307) is meshed with the tooth surface of the positioning gear (308), and a first reduction motor (309) is fixedly provided on the other side of one of the support seats (312), and the output end of the first reduction motor (309) is fixedly connected to the middle position of the positioning gear (308).

7. The multi-stage pressure control device for sheet metal lamination according to claim 6, characterized in that: The lifting control mechanism (4) includes a bidirectional positioning screw (401), both ends of the outer wall of the bidirectional positioning screw (401) are threadedly connected to a first moving seat (406), the top ends of the two first moving seats (406) are rotatably provided with a rotating rod (407), the middle positions of the two rotating rods (407) are rotatably connected to each other, the top ends of the two rotating rods (407) are rotatably provided with a second moving seat (408), and the middle position of one of the lifting frames (310) is provided with a first sliding groove (402) on both sides, and the two A first limiting groove (403) is provided on both sides of the inner wall of the first sliding groove (402), the outer walls of the two second movable seats (408) are respectively slidably connected to the two first sliding grooves (402), and are slidably supported by the two first limiting grooves (403), one end of the bidirectional positioning screw (401) is fixedly provided with a fixed shaft (404), one side of the second hot pressing frame (202) is fixedly provided with a second reduction motor (405), and the output end of the second reduction motor (405) is fixedly connected to one end of the fixed shaft (404).

8. The multi-stage pressure control device for sheet metal lamination according to claim 7, characterized in that: Three first fixed grooves (210) are provided at the top of the second hot pressing frame (202), and second fixed grooves (211) are provided at the bottom of the second hot pressing frame (202) close to the three first fixed grooves (210). The three support plates (301) and the auxiliary rollers (303) are respectively located inside the three first fixed grooves (210), and the three lifting frames (310) are respectively located inside the three second fixed grooves (211).

9. The multi-stage pressure control device for sheet metal lamination according to claim 8, characterized in that: A third fixed groove (212) is provided in the middle of one of the second fixed grooves (211), the lifting control mechanism (4) is located inside the third fixed groove (212), second sliding grooves (213) are provided at both ends of the bottom of the third fixed groove (212), second limiting grooves (214) are provided on both sides of the two second sliding grooves (213), and the outer walls of the two first movable seats (406) are in sliding contact with the inner walls of the two second sliding grooves (213) respectively, and are slidably supported by the second limiting grooves (214).

10. The multi-stage pressure control device for plate pressing according to claim 7, characterized in that: An intelligent control panel is fixedly provided on one side of the support and positioning base (101), and the first reduction motor (309), the second reduction motor (405), the hydraulic cylinder (203), the first hot pressing frame (201) and the second hot pressing frame (202) are all electrically connected to an external power supply via the intelligent control panel.

Images