Hot-pressing chamber type die-casting machine capable of conveniently and rapidly replacing locked die

Abstract

The invention belongs to the technical field of hot-pressing chamber type die-casting machines, and particularly relates to a hot-pressing chamber type die-casting machine convenient for quickly replacing a locked die, which adopts the following scheme that the hot-pressing chamber type die-casting machine comprises a main frame, a fixed rack is fixed at one end of the top of the main frame, and a hydraulic telescopic rod is fixed at the other end of the top of the main frame; a movable rack is fixed to the end, facing the fixed rack, of the hydraulic telescopic rod, a fixed mold plate is arranged at the end, facing the movable rack, of the fixed rack, a movable mold plate is arranged at the end, facing the fixed rack, of the movable rack, and limiting sliding grooves with the cross sections of T-shaped structures are formed in the two sides of the end faces, close to each other, of the fixed rack and the movable rack correspondingly. And sliding strips and sliding blocks are fixed on the end surfaces of the fixed mold plate and the movable mold plate in positions corresponding to the limiting sliding chutes. The fixed mold plate and the movable mold plate are limited in the vertical direction through horizontal force application of the clamping blocks, so that the stability of the fixed mold plate and the movable mold plate in the die-casting use process is guaranteed, and the mold plates can be directly pulled out from the upper portion so as to be conveniently and rapidly replaced.

Description

Technical Field

[0001] The invention relates to the technical field of hot pressure chamber type die casting machines, and in particular to a hot pressure chamber type die casting machine which is convenient for fast replacement of locking molds. Background Art

[0002] A die-casting machine is a series of industrial casting machines that hydraulically injects molten metal into a mold under pressure, cools it and forms it, and then opens the mold to obtain a solid metal casting. Usually, a die-casting machine includes a frame, a fixed mold plate and a movable mold plate, and the movable mold plate is moved toward the fixed mold plate and closed to form an injection cavity for die-casting operations.

[0003] In the prior art, in order to prevent the recoil force of the material shot into the injection cavity from causing the template to separate from the frame during the die-casting process, the fixed template and the movable template are often fixed to the frame by multiple distributed bolts to ensure the stability of the template. However, it is cumbersome to disassemble and replace the template, and the snap-on connection is prone to cause the gap between the templates to change when the material is shot recoil, which will affect the die-casting molding effect. Summary of the invention

[0004] Based on the technical problems of the background technology, the present invention proposes a hot pressure chamber type die casting machine which is convenient for fast replacement of the clamping mold.

[0005] The cam is provided with a plurality of movable frames and a movable frame is provided on the movable frame, and a movable frame is provided on the movable frame end.

[0006] Preferably, the block is provided with an inclined portion and a vertical portion, the inclined portion is located at the end face of the vertical portion close to the slide bar, the bottom of the inclined portion is arranged as an inclined surface inclined upward in the direction close to the slide bar, and a gap is left between the vertical portion and the limiting slide groove; the top of the block is arranged as a horizontal plane, and the bottom of the slider is arranged as an inclined surface inclined upward in the direction of the block; a hollow groove is provided in the middle position of the ends away from the fixed frame and the movable frame, and a cover plate is provided at the position of the mounting cavity facing the hollow groove.

[0007] Preferably, locking components are provided on both sides of the main frame, two through grooves are opened on the side of the installation cavity away from the hollow groove, and the two through grooves are respectively arranged on both sides of the vertical part, and the locking component is provided with a locking rod adapted to the through groove.

[0008] Preferably, through holes are provided on both sides of the fixed frame, and cylinder 2 is fixed on the inner wall of the through hole, and the end of the cylinder 2 away from the hollow groove is connected to the fixed frame, and a slide groove is provided on the side of the fixed frame facing the fixed frame, and a horizontally placed adjusting rod is rotatably connected between the inner walls at both ends of the slide groove; a fixed block is fixed to the position of the inner wall of the slide groove close to the fixed frame, and a sliding hole slidably connected to the adjusting rod is provided on the side of the fixed block, and a moving block is slidably connected to the position of the inner wall of the slide groove close to the movable frame, and a threaded hole threadedly connected to the adjusting rod is provided on the side of the moving block, and an auxiliary plate is fixed to the fixed block and the side of the moving block facing the slide groove opening, and the locking rod is fixed to the auxiliary plate.

[0009] Preferably, an extension frame is fixed at a position corresponding to the fixed template at the bottom of the fixed frame, a support plate is horizontally fixed at the bottom end of the extension frame, the top outer wall of the support plate is in sliding contact with the bottom outer wall of the fixed template, two extension plates are fixed to the bottom of the support plate, a roller is rotatably connected between the two extension plates, and a second connecting groove is opened at the top of the main frame at a position corresponding to the roller.

[0010] Preferably, a locking component 2 is provided above the fixed template and the movable template, and the movable frame is provided with through holes on both sides of the hollow groove. The locking component 2 is provided with a shaft rod rotatably connected between the two through holes, and a plurality of locking plates are fixed to the outer wall of the shaft rod. A driving motor is fixed to the side wall of the movable frame, and a synchronous belt is transmission-connected between the output shaft of the driving motor and the shaft rod.

[0011] Preferably, the locking plate is provided with a horizontal plate located above the fixed plate and the movable plate, both ends of the horizontal plate are connected with inclined plates, and the two inclined plates are respectively abutted against the top edges of the fixed frame and the movable frame.

[0012] Preferably, the top of the horizontal plate is provided with a plurality of penetrating auxiliary grooves, the inner wall of the auxiliary groove is slidably connected with a positioning rod, a spring is connected between the top of the positioning rod and the top of the horizontal plate, a mounting frame is fixed to the bottom end of the positioning rod, a silicone pad is fixed to the bottom of the mounting frame, a groove is provided at the bottom of the silicone pad, and the depth of the groove gradually decreases from the middle position toward both ends.

[0013] Preferably, a mounting plate is fixed to the bottom of the end surface of the moving block facing the moving frame, and a piston block corresponding to the perforation position is fixed to the bottom end of the mounting plate.

[0014] The beneficial effects of the present invention are: 1. In the embodiment of the present invention, the fixed platen and the movable platen are limited in the vertical direction by applying horizontal force by the clamping block, so as to avoid the internal shot impact during die casting, which causes the platen to be separated from the frame from the top along the limiting slide groove, thereby ensuring the stability of the fixed platen and the movable platen during die casting, and the platen can be directly pulled out from the top for quick replacement; the impact force in the vertical direction is offset by the inclined surface setting, so as to facilitate the removal of the platen, effectively ensure the stability and anti-loosening effect of the platen and the frame during use, so as to improve the operation quality of die casting.

[0015] 2. In the embodiment of the present invention, the fixed frame and the movable frame in the mold closing state are limited and fixed by the locking rods on both sides, and the block in the installation cavity is also limited at the same time, so that the frame and the template are locked on both sides to avoid the impact load on the hydraulic telescopic rod caused by the impact force during die-casting injection, and the vertical locking is effectively used to avoid the loosening of the templates and the frames caused by the impact of the injection, thereby further improving the stabilizing effect of locking the template and the frame in the mold closing state.

[0016] 3. In the embodiment of the present invention, a locking plate is used to press down on the top of the fixed template and the movable template to limit the template and the frame. The locking plate cooperates with the support plate to improve the stable limiting effect in the vertical direction when the template is closed, so that the upward impact force of the shot material in the template on the horizontal plate and the impact force of the shot material transmitted to the inclined plate in the horizontal direction offset each other, thereby improving the buffering effect of the internal shot material impact and further enhancing the effectiveness and stability of the locking between the template and the frame.

[0017] 4. In the embodiment of the present invention, the piston block extends from the perforation position as the locking component 1 moves, and the end of the piston block is squeezed and contacted with the end of the shaft rod, and the shaft rod is squeezed and limited in the circumferential direction to improve the stability of the locking plate against reverse impact during the extrusion and limiting process; thereby, the locking component 1 and the locking component 2 cooperate to work and offset each other, so as to further enhance the stability of the mold locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the mold opening structure of a hot pressure chamber type die casting machine for facilitating rapid replacement of a locked mold, as proposed by the present invention; Figure 2 A schematic diagram of the mold clamping state structure of a hot pressure chamber type die casting machine for facilitating rapid replacement of the clamping mold proposed by the present invention; Figure 3 A schematic diagram of the structure of a fixed frame and a movable frame of a hot press chamber type die casting machine for facilitating rapid replacement of a clamping die, as proposed by the present invention; Figure 4 A schematic diagram of the cross-sectional structure of an installation cavity of a hot-pressing chamber type die-casting machine for facilitating rapid replacement of a clamping die, as proposed by the present invention; Figure 5 A schematic diagram of a clamping block structure of a hot-pressing chamber type die-casting machine for facilitating rapid replacement of a clamped mold, as proposed by the present invention; Figure 6 A schematic structural diagram of a locking assembly 1 and a locking assembly 2 for a hot press chamber type die casting machine that is convenient for rapid replacement of a locking die, as proposed by the present invention; Figure 7 A structural schematic diagram of a locking assembly of a hot-pressing chamber type die-casting machine for facilitating rapid replacement of a locking die, as proposed by the present invention; Figure 8 A schematic diagram of the structure inside the slideway of a hot-pressing chamber type die-casting machine for facilitating rapid replacement of the clamping die proposed by the present invention; Fig. 9 A schematic diagram of the structure of a second locking assembly of a hot-pressing chamber type die-casting machine for facilitating rapid replacement of a locking die, as proposed by the present invention; Fig.10 The present invention provides a schematic structural diagram of a mounting frame for a hot-pressing chamber type die-casting machine that facilitates rapid replacement of a clamping mold.

[0019] In the figure: 1 main frame, 101 connecting groove 1, 102 connecting groove 2, 2 fixed frame, 3 fixed template, 4 hydraulic telescopic rod, 401 connecting frame, 5 mobile frame, 501 perforation, 6 moving template, 7 limit slide groove, 8 slide bar, 9 slider, 10 installation cavity, 11 cylinder 1, 12 block, 121 inclined part, 122 vertical part, 13 hollow groove, 14 cover plate, 15 locking component 1, 16 cylinder 2, 17 fixed plate, 18 fixed Frame, 181 slide, 19 locking rod, 20 adjusting rod, 21 fixed block, 22 moving block, 23 through slot, 24 extension frame, 25 support plate, 251 extension plate, 26 roller, 27 locking component II, 28 shaft rod, 29 locking plate, 291 horizontal plate, 292 inclined plate, 30 driving motor, 31 synchronous belt, 32 positioning rod, 33 spring, 34 mounting frame, 35 silicone pad, 351 groove, 36 mounting plate, 37 piston block. DETAILED DESCRIPTION

[0020] Example 1 Reference Figure 1-Figure 5A hot press chamber type die casting machine for fast replacement of clamping molds comprises a main frame 1, a fixed frame 2 is fixed at one end of the top of the main frame 1, a horizontally extending hydraulic telescopic rod 4 is fixed at the other end of the top of the main frame 1, a connecting frame 401 is fixed at one end of the hydraulic telescopic rod 4 facing the fixed frame 2, a connecting groove 101 is provided at a position corresponding to the connecting frame 401 at the top of the main frame 1, a connecting block slidably connected to the connecting groove 101 is fixed at the bottom of the connecting frame 401, a mobile frame 5 is fixed at one end of the connecting frame 401 away from the hydraulic telescopic rod 4, and the fixed frame 2 faces the mobile frame 5. A fixed template 3 is provided at one end of the movable frame 5, and a movable template 6 is provided at one end of the movable frame 5 facing the fixed frame 2. Both sides of the end faces where the fixed frame 2 and the movable frame 5 are close to each other are provided with limiting slide grooves 7 with a T-shaped cross-section. The top end opening of the limiting slide groove 7 is set. A slide bar 8 and a slider 9 are fixed at the positions of the end faces of the fixed template 3 and the movable template 6 corresponding to the limiting slide groove 7. The slider 9 is located above the slide bar 8. The slide bar 8 and the slider 9 slide between the limiting slide groove 7. An installation cavity 10 connected with the limiting slide groove 7 is provided in the fixed frame 2 and the movable frame 5. A cylinder is fixed on the inner wall of the installation cavity 10. A block 12 is fixed at one end of the cylinder 11, which is located between the slider 9 and the top of the slide bar 8. When the fixed template 3 and the movable template 6 are installed, the slide bar 8 on the end surface of the fixed template 3 and the movable template 6 can be directly slid down along the limit slide groove 7 from the top to limit the placement between the fixed template 3 and the fixed frame 2, and between the movable template 6 and the movable frame 5. Then, the cylinder 11 in the corresponding installation cavity 10 in the fixed frame 2 and the movable frame 5 is extended, and the block 12 is moved to the position between the slider 9 and the top of the slide bar 8, and the top of the block 12 is aligned with the slider. 9 and the bottom of the block 12 is in contact with the top of the slide bar 8 to achieve the horizontal and vertical limit fixation of the fixed template 3 and the movable template 6, so that the fixed template 3 and the movable template 6 are limited in the vertical direction by the horizontal force of the block 12, and the internal shot impact during die-casting injection causes the template to be separated from the frame from above along the limiting slide groove 7, thereby ensuring the stability of the fixed template 3 and the movable template 6 during die-casting, and when the template needs to be replaced, the cylinder 11 can be directly retracted to disengage the block 12, so that the template can be directly pulled out from the top for quick replacement.

[0021] In the present invention, reference is made to Figure 3-Figure 5The block 12 is provided with an inclined portion 121 and a vertical portion 122, the inclined portion 121 is located at the end surface of the vertical portion 122 close to the slide bar 8, the bottom of the inclined portion 121 is arranged as an inclined surface inclined upward in the direction close to the slide bar 8, and a gap is left between the vertical portion 122 and the limiting slide groove 7; the top of the block 12 is arranged as a horizontal plane, and the bottom of the slider 9 is arranged as an inclined surface inclined upward in the direction of the block 12; a hollow groove 13 is provided in the middle position of the ends away from the fixed frame 2 and the movable frame 5, and a cover is provided at the position of the installation cavity 10 facing the hollow groove 13 Plate 14, so that the cylinder 11 can be conveniently adjusted or repaired by opening the cover plate 14; during use, through the inclined surface at the bottom of the inclined portion 121 and the inclined surface at the bottom of the slider 9, when the template is ejected internally and exerts force in the reverse direction outward, the slider 9 and the slide bar 8 on the end surface of the template simultaneously exert force toward the block 12, and the impact force in the vertical direction is offset by the inclined surface setting, thereby facilitating the removal of the template and effectively ensuring the stability and anti-loosening effect of the template and the frame during use, so as to improve the operation quality of die-casting.

[0022] In the present invention, reference is made to Figure 2 and Figure 6 , locking components 15 are provided on both sides of the main frame 1, and two through grooves 23 are provided on the side of the installation cavity 10 away from the hollow groove 13. The two through grooves 23 are respectively provided on both sides of the vertical portion 122, and the locking component 15 is provided with a locking rod 19 adapted to the through groove 23. When the block 12 is extended to between the slide bar 8 and the slider 9 to limit and fix the fixed template 3 and the movable template 6, the two through grooves 23 are just located at the bottom of the vertical portion 122. After the two templates are molded, the locking rod 19 of the locking component 15 is 9 extends into the installation cavity 10 along the through groove 23, so that the fixed frame 2 and the movable frame 5 in the mold closing state are limited and fixed by the locking rods 19 on both sides, and the block 12 in the installation cavity 10 is limited at the same time, so that the frame and the template are locked by both sides, and the impact load on the hydraulic telescopic rod 4 during the die-casting injection is avoided, and the loosening between the templates and the frames caused by the injection impact is effectively avoided by the locking in the vertical direction, so as to further improve the stability effect of the template and frame locking in the mold closing state.

[0023] In the present invention, reference is made to Figure 2 and Figure 6-Figure 8Through holes are provided on both sides of the fixed frame 2, and a cylinder 2 16 is fixed on the inner wall of the through hole. A fixed plate 17 is connected to the end of the cylinder 2 16 away from the hollow groove 13, and a fixed frame 18 is fixed on the top of the fixed plate 17. The fixed frame 18 extends between the two end directions, and a slide groove 181 is provided on the side of the fixed frame 18 facing the fixed frame 2, and a horizontally placed adjusting rod 20 is rotatably connected between the inner walls at both ends of the slide groove 181; a fixed block 21 is fixed to the inner wall of the slide groove 181 near the fixed frame 2, and a sliding hole slidably connected to the adjusting rod 20 is provided on the side of the fixed block 21, and a moving block 22 is slidably connected to the inner wall of the slide groove 181 near the moving frame 5, and a threaded hole threadedly connected to the adjusting rod 20 is provided on the side of the moving block 22, A threaded groove is provided in the area of ​​the adjusting rod 20 near the moving block 22, and auxiliary plates are fixed on the side of the fixed block 21 and the moving block 22 facing the opening of the slide groove 181, and the locking rod 19 is fixed on the auxiliary plate, so that the moving block 22 is moved horizontally by rotating the adjusting rod 20 to adjust the movement between the fixed block 21 and the moving block 22 and the locking rod 19 thereon, so as to make adaptive adjustment when performing mold closing die-casting between templates of different thicknesses, and connect the fixed block 21 and the moving block 22 as a whole, and when the mold is locked for die-casting, the two templates exert reverse impact force outward with the injection, so as to offset the reverse impact force in the horizontal direction through the fixed frame 18 as a whole, thereby further improving the tightness and stability of the locking during the mold closing die-casting process.

[0024] In the present invention, reference is made to Figure 2 and Figure 7 An extension frame 24 is fixed at the bottom of the fixed frame 18 at a position corresponding to the fixed template 3, and a support plate 25 is horizontally fixed at the bottom end of the extension frame 24. The top outer wall of the support plate 25 is in sliding contact with the bottom outer wall of the fixed template 3. Two extension plates 251 are fixed at the bottom of the support plate 25. A roller 26 is rotatably connected between the two extension plates 251. A connecting groove 102 is provided at the top of the main frame 1 at a position corresponding to the roller 26. On the one hand, the fixed frame 18 is supported by the downwardly extending extension frame 24 and the roller 26, thereby ensuring that the fixed frame 18 and the stability of the locking rod 19, and reduce the supporting load on the cylinder 2 16; on the other hand, when the mold is closed, the extension frame 24 and the support plate 25 move closer to the closed fixed mold plate 3 and the movable mold plate 6 along with the fixed frame 18, so that the horizontally extended support plate 25 slides in from the bottom of the connection position between the fixed mold plate 3 and the movable mold plate 6 and supports and limits the closed mold plates, thereby further avoiding the loosening of the mold plates caused by the impact of the internal shot, so as to further improve the locking stability between the mold plates and between the movable frame 5 and the fixed frame 2 when the mold is closed.

[0025] Example 2 Embodiment 2 includes all structures and methods of embodiment 1, and refers to Figure 2 , Figure 6 and Fig. 9, a hot press chamber type die casting machine which is convenient for fast replacement of locking molds, further comprising: a locking assembly 27 is arranged above the fixed mold plate 3 and the movable mold plate 6, and a through hole 501 is opened on both sides of the hollow groove 13 of the movable frame 5, and the locking assembly 27 is provided with a shaft 28 rotatably connected between the two through holes 501, and a plurality of locking plates 29 are fixed to the outer wall of the shaft 28, and a driving motor 30 is fixed to the side wall of the movable frame 5, and a synchronous belt is connected between the output shaft of the driving motor 30 and the shaft 28. In the mold opening state, the shaft 28 is rotated by the driving motor 30, so that the locking plate 29 is deflected to the upper position of the movable frame 5; after the mold is closed, the locking plate 29 is rotated to a horizontal state by the driving motor 30, and the locking plate 29 is used to press down on the top of the fixed mold plate 3 and the movable mold plate 6 to limit the mold plate and the frame, and the locking plate 29 cooperates with the support plate 25 to improve the stable limiting effect in the vertical direction when the mold is closed.

[0026] In the present invention, reference is made to Fig. 9 The locking plate 29 is provided with a horizontal plate 291 located above the fixed template 3 and the movable template 6, and both ends of the horizontal plate 291 are connected with inclined plates 292, and the two inclined plates 292 are respectively abutted against the top edges of the fixed frame 2 and the movable frame 5, so that the top end edge positions of the fixed frame 2 and the movable frame 5 are stably limited by the two inclined plates 292, so that the upward impact force of the shot material in the template on the horizontal plate 291 and the impact force of the shot material transmitted to the inclined plate 292 in the horizontal direction offset each other, so as to improve the buffering effect of the internal shot material impact, and further enhance the effectiveness and stability of the locking between the template and the frame.

[0027] In the present invention, reference is made to Figure 9-10 A plurality of penetrating auxiliary grooves are provided on the top of the horizontal plate 291, and a positioning rod 32 is slidably connected to the inner wall of the auxiliary groove. A spring 33 is connected between the top of the positioning rod 32 and the top of the horizontal plate 291, and a mounting frame 34 is fixed to the bottom of the positioning rod 32. A silicone pad 35 is fixed to the bottom of the mounting frame 34. A groove 351 is provided at the bottom of the silicone pad 35, and the depth of the groove 351 gradually decreases from the middle position to the two ends, so that after the mold is closed, the positioning rod 32 and the silicone pad 35 connected by the spring 33 are used to limit the extrusion of the template, and the groove 351 with a V-shaped structure that decreases in depth toward the two ends is used, so that when the silicone pad 35 extrudes the fixed template 3, or extrudes the movable template 6, or extrudes the fixed template 3 and the movable template 6 on both sides respectively, the inclined surfaces at both ends of the groove 351 shrink toward the middle position, thereby improving the stability of the template closing and improving the buffering and stabilizing effect of the impact of the internal shot.

[0028] In the present invention, reference is made to Figure 6-Figure 8, a mounting plate 36 is fixed to the bottom of the end surface of the moving block 22 facing the moving frame 5, and a piston block 37 corresponding to the position of the through hole 501 is fixed to the bottom end of the mounting plate 36, so that when the mold is closed, the locking component 15 moves from both sides to the middle to make the locking rod 19 extend into the through groove 23 for locking, and the locking component 27 rotates to make the locking plate 29 squeeze and limit from the top of the template; at the same time, the piston block 37 extends from the position of the through hole 501 as the locking component 15 moves, and the end of the piston block 37 is squeezed and contacted with the end of the shaft rod 28, and the shaft rod 28 is squeezed and limited in the circumferential direction, so as to improve the stability of the locking plate 29 subjected to reverse impact during the extrusion and limiting process; so that the locking component 15 and the locking component 27 cooperate to offset each other, so as to further enhance the stability of the mold closing locking.

[0029] 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. A hot press chamber type die casting machine which is convenient for rapid replacement of a clamping die, comprising a main frame (1), a fixed frame (2) being fixed at one end of the top of the main frame (1), a hydraulic telescopic rod (4) being fixed at the other end of the top of the main frame (1), a movable frame (5) being fixed at one end of the hydraulic telescopic rod (4) facing the fixed frame (2), a fixed plate (3) being provided at one end of the fixed frame (2) facing the movable frame (5), and a movable plate (6) being provided at one end of the movable frame (5) facing the fixed frame (2), wherein: Both sides of the end surfaces of the fixed frame (2) and the movable frame (5) adjacent to each other are provided with limiting slide grooves (7) with a T-shaped cross section, the top end of the limiting slide groove (7) is open, and the end surfaces of the fixed template (3) and the movable template (6) are fixed with a slide bar (8) and a slider (9) at positions corresponding to the limiting slide groove (7), the slider (9) is located above the slide bar (8), and the fixed frame (2) and the movable frame (5) are provided with an installation cavity (10) connected to the limiting slide groove (7), and the inner wall of the installation cavity (10) is fixed with a cylinder 1 (11), and one end of the cylinder 1 (11) is fixed with a block (12) located between the slider (9) and the top of the slide bar (8).

2. A hot press chamber type die casting machine that is convenient for rapid replacement of clamping molds according to claim 1, characterized in that: The block (12) is provided with an inclined portion (121) and a vertical portion (122), the inclined portion (121) being located at an end surface of the vertical portion (122) close to the slide bar (8), the bottom of the inclined portion (121) being arranged as an inclined surface inclined upward in a direction close to the slide bar (8), and a gap being left between the vertical portion (122) and the limiting slide groove (7); The top of the clamping block (12) is arranged as a horizontal plane, and the bottom of the sliding block (9) is arranged as an inclined plane inclined upward in the direction of the clamping block (12); A hollow groove (13) is provided in the middle of the ends of the fixed frame (2) and the movable frame (5) which are separated from each other, and a cover plate (14) is provided in the installation cavity (10) at a position facing the hollow groove (13).

3. A hot press chamber type die casting machine that is convenient for rapid replacement of clamping molds according to claim 2, characterized in that: The main frame (1) is provided with a locking assembly (15) on both sides. The installation cavity (10) is provided with two through grooves (23) on a side away from the hollow groove (13). The two through grooves (23) are respectively provided on both sides of the vertical portion (122). The locking assembly (15) is provided with a locking rod (19) adapted to the through grooves (23).

4. A hot press chamber type die casting machine that is convenient for rapid replacement of clamping molds according to claim 3, characterized in that: Through holes are provided on both sides of the fixed frame (2), and a second cylinder (16) is fixed on the inner wall of the through hole. The end of the second cylinder (16) away from the hollow groove (13) is connected to a fixed frame (18), and a slide groove (181) is provided on the side of the fixed frame (18) facing the fixed frame (2). A horizontally placed adjustment rod (20) is rotatably connected between the inner walls at both ends of the slide groove (181); A fixed block (21) is fixed to the inner wall of the slide groove (181) at a position close to the fixed frame (2), and a sliding hole is provided on the side of the fixed block (21) for sliding connection with the adjustment rod (20). A moving block (22) is slidably connected to the inner wall of the slide groove (181) at a position close to the movable frame (5), and a threaded hole is provided on the side of the moving block (22) for threaded connection with the adjustment rod (20). Auxiliary plates are fixed to the sides of the fixed block (21) and the moving block (22) facing the opening of the slide groove (181), and a locking rod (19) is fixed to the auxiliary plate.

5. A hot press chamber type die casting machine that is convenient for rapid replacement of clamping molds according to claim 4, characterized in that: An extension frame (24) is fixed at a position corresponding to the fixed mold plate (3) at the bottom of the fixed frame (18); a support plate (25) is horizontally fixed at the bottom end of the extension frame (24); the top outer wall of the support plate (25) is in sliding contact with the bottom outer wall of the fixed mold plate (3); two extension plates (251) are fixed at the bottom of the support plate (25); a roller (26) is rotatably connected between the two extension plates (251); and a second connection groove (102) is provided at a position corresponding to the roller (26) at the top of the main frame (1).

6. A hot press chamber type die casting machine that facilitates rapid replacement of clamping molds according to any one of claims 4 to 5, characterized in that: A second locking assembly (27) is provided above the fixed plate (3) and the movable plate (6); through holes (501) are provided on both sides of the hollow groove (13) of the movable frame (5); the second locking assembly (27) is provided with a shaft (28) rotatably connected between the two through holes (501); a plurality of locking plates (29) are fixed to the outer wall of the shaft (28); a driving motor (30) is fixed to the side wall of the movable frame (5); and a synchronous belt is connected to the output shaft of the driving motor (30) and the shaft (28) in a transmission manner.

7. A hot press chamber type die casting machine that is convenient for rapid replacement of clamping molds according to claim 6, characterized in that: The locking plate (29) is provided with a horizontal plate (291) located above the fixed plate (3) and the movable plate (6), and both ends of the horizontal plate (291) are connected to inclined plates (292), and the two inclined plates (292) are respectively in contact with the top edges of the fixed frame (2) and the movable frame (5).

8. A hot press chamber type die casting machine that is convenient for rapid replacement of clamping molds according to claim 7, characterized in that: The top of the horizontal plate (291) is provided with a plurality of auxiliary grooves which are penetrated therethrough, the inner wall of the auxiliary groove is slidably connected with a positioning rod (32), a spring (33) is connected between the top of the positioning rod (32) and the top of the horizontal plate (291), a mounting frame (34) is fixed to the bottom end of the positioning rod (32), a silicone pad (35) is fixed to the bottom of the mounting frame (34), a groove (351) is provided at the bottom of the silicone pad (35), and the depth of the groove (351) gradually decreases from the middle position toward both ends.

9. A hot press chamber type die casting machine that is convenient for rapid replacement of clamping molds according to claim 6, characterized in that: A mounting plate (36) is fixed to the bottom of the end surface of the moving block (22) facing the moving frame (5), and a piston block (37) corresponding to the position of the through hole (501) is fixed to the bottom end of the mounting plate (36).

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