Mould sand box compacting device for casting

Abstract

A mold sand box compacting device for casting includes a pressing box, a supporting frame, and a clamping mechanism. The supporting frames are provided with at least two groups and are arranged in front and back mirror images. The pressing box is movably arranged between the supporting frames, and the clamping mechanism is arranged in the middle of the supporting frame. This scheme adopts mechanical sand pressing to achieve fixed vibration and compaction of the mold sand box. After compaction, the mold sand on the surface of the sand box can be leveled. This process does not require manual access, and the compaction density of the sand box is better than the density of manual sand pressing. This scheme can change the density of the mold sand by clamping and vibrating the sand box, and the clamping distance can be changed according to sand boxes of different specifications.

Description

Technical Field

[0001] The invention relates to the technical field related to casting equipment, and in particular to a casting mold sand box compacting device. Background Art

[0002] At present, the sand pressing of the casting sand box is mostly done manually, and the compactness of the sand pressing is poor. When the area and volume of the sand box are too large, the working hours of the sand pressing will be prolonged, and more labor is required. In addition, the existing equipment cannot solve the change of the clamping of the sand pressing according to the different sizes of the sand box. Summary of the invention

[0003] The present invention provides a casting mold sand box compacting device for solving the technical problems in the above-mentioned background technology.

[0004] A casting mold sand box compacting device comprises a press box, a support frame and a clamping mechanism, wherein the support frame is provided with at least two groups and is arranged in front and back mirror images, the press box is movably arranged between the support frames, the clamping mechanism is arranged in the middle of the support frame, the rear end of the support frame is provided with arranged racks, the support frame movable sleeve is provided with a lifting frame, the inner side of the front part of the lifting frame is driven by a first driving motor and is provided with a driving gear, the driving gear is meshed with the rack, the inner side of the rear part of the lifting frame is rotatably provided with a top wheel, the top wheel is in rolling contact with the rear end surface of the support frame, a first lead screw is rotatably provided between the lifting frames of the support frames on both sides, a second driving motor is provided at the end of the support frame, and the rear end of the first lead screw movably passes through the lifting frame of the rear support frame, and the lifting frame is provided with a transverse bearing device at the movable passing position, and the outer part of the transverse bearing device is An outer sleeve, with limiting edges on both sides of the outer sleeve, an inner sleeve is rotated inside the outer sleeve, a through hole is arrayed on the end face of the inner sleeve, a ball is rolled in the through hole, the diameter of the ball is larger than the tooth spacing of the first screw, and the ball is in rolling contact with the outer end face of the first screw, the second drive motor drives the first screw, and the first screw rotates through the upper part of the press box, the front part of the clamping mechanism is a support plate, the support plate is fixedly arranged in the middle of the support frame, a push plate is movably provided on the inner side of the support plate, a cylinder is provided at the outer end of the support plate, the cylinder provides air pressure thrust for the push plate, a pressure wheel is arrayed on the inner end face of the push plate, a bending surface is provided on the upper end of the push plate, a vibration motor is provided on the upper end of the bending surface, a space is provided in the middle of the press box, a hydraulic cylinder is arranged in the array, the push rod part of the hydraulic cylinder moves through the bottom of the press box, and a pressure head is provided at the end of the push rod of the hydraulic cylinder.

[0005] Preferably, in a casting mold sand box compacting device, the support frame column is two main beams arranged in an array, and recessed end surfaces are provided at the four corners of the main beams, the support plate is fixedly arranged between the main beams, the lifting frame movable sleeve is arranged in the middle of the main beam, and support wheels are arranged in the front and rear end arrays inside the lifting frame, and the support wheels are in rolling contact with the recessed end surfaces at the four corners of the main beams, and support bodies are arranged and connected between the lifting frames, the first lead screw rotates through the support body, and a transverse bearing device is arranged in the middle of the support body between the rear lifting frames, and the second drive motor is arranged at the outer end of the support body between the front lifting frames.

[0006] Preferably, in the casting mold sand box compacting device, connecting plates are provided on both sides of the lifting frame, spaces are provided between the connecting plates, and the first driving motor protrudes from the space between the connecting plates.

[0007] Preferably, in the casting mold sand box compacting device, a first auxiliary beam is provided in an array around the first screw, the first auxiliary beam is movable through the upper part of the pressing box, and the front end of the first auxiliary beam is fixedly connected to the support body between the lifting frames described in the front, and the rear end of the first auxiliary beam is movable through the support body between the lifting frames described in the rear, and a transverse bearing device is provided at the movable passing point.

[0008] Preferably, in the casting mold sand box compacting device, the pressure wheel is connected to the end face of the push plate through a shock absorber, a hinged rod with adjustable angle is provided in a circular array between the rear end of the pressure wheel and the push plate, and the ends of the hinged rod are respectively hinged to the rear end of the pressure wheel and the end of the push plate, and the front end array of the push plate is provided with a second auxiliary beam, and the second auxiliary beam movably passes through the support plate.

[0009] Preferably, in the casting mold sand box compacting device, a varistor is provided inside the push rod of the hydraulic cylinder, the push rod of the hydraulic cylinder is a movable plug-in structure, the outer end of the movable plug-in structure is connected with a spring, the varistor is located inside the movable plug-in structure, and the side end of the pressing box is arranged with windows.

[0010] Preferably, in the casting mold sand box compacting device, the bottom end of the support frame also includes at least two groups of slide grooves, a base is provided at the bottom end of the support frame, and the bases are respectively arranged at the bottom ends of the main beams, the base of the front support frame is fixedly arranged in the slide groove, and the base of the rear support frame is movably arranged in the slide groove, a third lead screw is rotatably arranged in the slide groove, the third lead screw rotates through the base of the front support frame, the third lead screw engages and rotates through the base of the rear support frame, a third drive motor is provided at the outer end of the slide groove, and the third drive motor drives at least one third lead screw.

[0011] Preferably, in a casting mold sand box compacting device, a first sprocket is rotatably provided at the outer end of the slide, the first sprocket rotates coaxially with the third screw, and the first sprockets are driven by a chain, a support box is provided at the end of the slide, the first sprocket is rotatably arranged in the support box, and the third drive motor is fixedly arranged at the outer end of the support box.

[0012] Preferably, a casting mold sand box compacting device is provided with upward column plates on both sides of the upper end of the pressure box, and a second sprocket is rotatably provided at the front end of the upper end of the column plate, and a double-row sprocket is provided at the rear end of the upper end of the column plate. A support frame is provided on the outer periphery of the front of the column plate on at least one side, and a fourth drive motor is provided at the upper end of the support frame. The fourth drive motor drives at least one second sprocket, and the second sprocket and the lower sprocket of the double-row sprocket are driven by a chain, and the sprockets at the upper end of the double-row sprocket are driven by a chain. A second lead screw is rotatably provided at the front and rear of the column plate, and the second lead screw rotates coaxially with the second sprocket and the double-row sprocket respectively, and a support block is provided for movement at the front and rear of the column plate, and the second lead screw rotates through the support block, and a screw slide is provided between the support blocks, and a frame is provided in the middle of the screw slide through a screw drive, and a pressure roller is rotatably provided between the lower ends of the frames.

[0013] Preferably, in the casting mold sand box compacting device, third auxiliary beams are provided on both sides of the second screw, and the third auxiliary beams movably pass through the support block.

[0014] Beneficial effects: This scheme adopts mechanical sand pressing to achieve fixed vibration and compaction of the casting sand box. After compaction, the casting sand on the surface of the sand box can be leveled. This process does not require manual access, and the compaction density of the sand box is better than the density of manual sand pressing. This scheme can change the density of the mold sand by clamping and vibrating the sand box, and the clamping distance can be changed according to sand boxes of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a stereogram of the present invention;

[0016] Figure 2 It is a three-dimensional diagram of the whole press box of the present invention;

[0017] Figure 3 It is a sectional view of the support frame and the slide groove of the present invention;

[0018] Figure 4 This is a front end analysis diagram of the chute of the present invention;

[0019] Figure 5 It is the sectional view of the lower part of the press box of the present invention;

[0020] Figure 6 This is a three-dimensional diagram of the lifting frame of the present invention;

[0021] Figure 7 This is a top view of the lifting frame of the present invention;

[0022] Figure 8 This is a schematic diagram of the push plate end surface structure of the present invention;

[0023] Fig. 9 It is the anatomical diagram of the hydraulic cylinder of the present invention;

[0024] Fig.10 It is a schematic diagram of the combination of the clamping mechanism and the main beam of the present invention;

[0025] Fig.11 A three-dimensional diagram of a transverse bearing device of the present invention;

[0026] Fig.12 This is a structural diagram of the inner sleeve of the present invention;

[0027] In the figure: pressure box 1, hydraulic cylinder 101, pressure head 1011, varistor 1012, spring 1013, window 102, support frame 2, rack 201, lifting frame 202, first drive motor 2021, drive gear 2022, top wheel 2023, transverse bearing device 2024, outer sleeve 20241, inner sleeve 20242, ball 20243, support wheel 2025, support body 2026, first lead screw 203, first auxiliary beam 2031, second drive motor 204, slide 205, third lead screw 2051, third drive motor 205 52. The first sprocket 2053. The support box 2054. The main beam 206. The base 2061. The column plate 207. The second sprocket 2071. The double-row sprocket 2072. The fourth drive motor 2073. The support frame 20731. The second lead screw 2074. The support block 2075. The screw slide 2076. The frame 2077. The pressure roller 2078. The third auxiliary beam 2079. The clamping mechanism 3. The support plate 301. The push plate 302. The second auxiliary beam 3021. The cylinder 303. The pressure wheel 304. The shock absorber 3041. The hinge rod 3042. The vibration motor 305. DETAILED DESCRIPTION

[0028] The implementation process of the present invention is described in detail below in conjunction with the accompanying drawings. The described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly stipulated and limited, the terms "set", "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a welded connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The present invention provides Figure 1-12 The casting mold sand box compacting device shown includes a pressing box 1, a supporting frame 2, and a clamping mechanism 3.

[0031] Embodiment 1:

[0032] The support frame 2 is provided with at least two groups, and is arranged in front and back mirror images, the press box 1 is movably arranged between the support frames 2, the clamping mechanism 3 is arranged in the middle of the support frame 2, the rear end of the support frame 2 is provided with a rack 201 arranged, the support frame 2 is movably sleeved with a lifting frame 202, the inner side of the front part of the lifting frame 2 is driven by a first driving motor 2021 and is provided with a driving gear 2022, the driving gear 2022 is meshed with the rack 201, the inner side of the rear part of the lifting frame 202 is rotatably provided with a top wheel 2023, the top wheel 2023 is in rolling contact with the rear end surface of the support frame 2, the lifting frames 2 of the support frames 2 on both sides are rotatably provided with a first lead screw 203, the end of the support frame 2 is provided with a second driving motor 204, and the rear end of the first lead screw 203 is movable The lifting frame 202 passes through the support frame 2 at the rear, and the lifting frame 202 is provided with a transverse bearing device 2024 at the movable passing position, the outer side of the transverse bearing device 2024 is an outer sleeve 20241, and the outer sleeve 20241 is provided with limiting edges on both sides, and the inner sleeve 20242 is provided with an inner sleeve 20242 for internal rotation, and the end face array of the inner sleeve 20242 is provided with a through hole, and a ball 20243 is provided for rolling in the through hole, and the diameter of the ball 20243 is greater than the tooth spacing of the first screw 203, and the ball 20243 is in rolling contact with the outer end face of the first screw 203, and the second driving motor 204 drives the first screw 203, and the first screw 203 rotates and passes through the upper part of the press box 1, and the front part of the clamping mechanism 3 is a support plate 301, which supports The plate 301 is fixedly arranged in the middle of the support frame 2, and a push plate 302 is movably arranged on the inner side of the support plate 301, and a cylinder 303 is arranged on the outer end of the support plate 301, and the cylinder 303 provides a gas pressure thrust for the push plate 302, and a pressure wheel 304 is arranged in an array on the inner end surface of the push plate 302, and a bending surface is arranged on the upper end of the push plate 302, and a vibration motor 305 is arranged on the upper end of the bending surface. A space is provided in the middle of the press box 1, and a hydraulic cylinder 101 is arranged in an array, and a push rod part of the hydraulic cylinder 101 movably passes through the bottom of the press box 1, and a pressure head 1011 is arranged at the end of the push rod of the hydraulic cylinder 101. The column of the support frame 2 is two main beams 206 arranged in an array, and a concave end surface is arranged at the four corners of the main beam 206. The support plate 301 is fixedly arranged between the main beams 206, and the lifting frame 202 The movable sleeve is arranged in the middle of the main beam 206, and the front and rear end arrays inside the lifting frame 202 are provided with support wheels 2025, and the support wheels 2025 are in rolling contact with the concave end surfaces described at the four corners of the main beam 206. Support bodies 2026 are arranged and connected between the lifting frames 202, and the first lead screw 203 rotates through the support body 2026, and the transverse bearing device 2024 is arranged in the middle of the support body 2026 between the lifting frames 202 at the rear, and the second drive motor 204 is arranged at the outer end of the support body 2026 between the lifting frames 202 at the front. Connecting plates are provided on both sides of the lifting frame 202, and spaces are provided between the connecting plates. The first drive motor 2021 protrudes from the space between the connecting plates, and the first auxiliary beam 2031 is provided in the surrounding array of the first lead screw 203.The first auxiliary beam 2031 movably passes through the upper part of the press box 1, and the front end of the first auxiliary beam 2031 is fixedly connected to the support body 2026 between the lifting frame 202 described in the front, and the rear end of the first auxiliary beam 2031 movably passes through the support body 2026 between the lifting frame 202 described in the rear, and a transverse bearing device 2024 is provided at the movable passing point, and a shock absorber 3041 is connected between the pressure wheel 304 and the end face of the push plate 302, and a hinge rod 3042 with an adjustable angle is provided in a circumferential array between the rear end of the pressure wheel 304 and the push plate 302, and the ends of the hinge rod 3042 are respectively hinged to the rear end of the pressure wheel 304 and the end of the push plate 302, and the front end array of the push plate 302 is provided with a second auxiliary beam 3021, and the second auxiliary beam 3021 movably passes through the support body 2026 between the lifting frame 202 described in the rear. The support plate 301, the push rod of the hydraulic cylinder 101 is provided with a varistor 1012, the push rod of the hydraulic cylinder 101 is a movable plug structure, the outer end of the movable plug structure is connected with a spring 1013, the varistor 1012 is located inside the movable plug structure, the side end of the pressure box 1 is arranged with a window 102, the first drive motor 2021 drives the drive gear 2022 to rotate, the drive gear 2022 is engaged with the rack 201, so the lifting frame 202 can move up and down in a straight line, and connecting plates are provided on both sides of the lifting frame 202, and there is a space between the connecting plates. The first drive motor 2021 protrudes from the space between the connecting plates, which will not affect the normal operation of the motor, and the top wheel 2023 and the support wheel 2025 move in the lifting frame 202. During the process, the end face of the main beam 206 and the concave end faces at the four corners can be supported, which can ensure the stability of the lifting frame 202 during the lifting process. The first auxiliary beam 2031 is arranged in the surrounding array of the first screw 203. The first auxiliary beam 2031 can move through the upper part of the press box 1, and the two ends of the first auxiliary beam 2031 are fixedly connected to the support body 2026. The second drive motor 204 can make the press box 1 move horizontally in the support frame 2, thereby realizing the longitudinal and lateral position adjustment of the press box 1 between the support frames 2 as a whole. The sand box is placed between the support frames 2, and the push plate 302 is pushed to move by the work of the cylinder 303. The side of the sand box is supported by the pressure wheel 304, and the centrifugal vibration generated by the high-speed rotation of the vibration motor 305 is started to vibrate the push plate 302 And the vibration force is passed through the shock absorber 3041 and the pressure wheel 304. The vibration generated by the pressure wheel 304 presses the sand box to vibrate the mold sand in the sand box, thereby reducing the density of the mold sand. The hinged rod plays an auxiliary supporting role in the shock absorbing process. At the same time, the lateral position of the press box 1 between the support frames 2 is adjusted. The surrounding array of the first screw 203 is provided with a first auxiliary beam 2031. The first auxiliary beam 2031 moves through the upper part of the press box 1, and the two ends of the first auxiliary beam 2031 are fixedly connected to the support body 2026. The first auxiliary beam 2031 plays an auxiliary supporting role. The pressing line reaches the designated position through the first four cylinders, and the lifting frame 202 descends. When it descends to the designated position, the hydraulic cylinder 101 works, and the side end of the box body at the lower part of the press box 1 is provided with an opening window 102.The oil pipe of the hydraulic cylinder 101 extends through the window 102 and is led out. The push rod of the hydraulic cylinder 101 is pressed down and the mold sand is compacted through the pressure head 1011. When the pressure is too high, the pressure will be transmitted to the control system end through the piezoresistor 1012 inside the push rod. The piezoresistors of this solution can be connected by wire or wirelessly. When the pressure reaches the rated value, the hydraulic cylinder 101 stops working.

[0033] Embodiment 2:

[0034] The bottom end of the support frame 2 also includes at least two groups of slide grooves 205, the bottom end of the support frame 2 is provided with a base 2061, and the base 2061 is respectively arranged at the bottom end of the main beam 206, the base 2061 of the front support frame 2 is fixedly arranged in the slide groove 205, and the base 2061 of the rear support frame 2 is movably arranged in the slide groove 205, and a third lead screw 2051 is rotatably arranged in the slide groove 205, and the third lead screw 2051 rotates through the base 2061 of the front support frame 2, and the third lead screw 2051 engages and rotates through the base 2061 of the rear support frame 2, and a third drive motor 2052 is provided at the outer end of the slide groove 205, and the third drive motor 2052 drives at least one third lead screw 2051, and the outer end of the slide groove 205 A first sprocket 2053 is rotatably provided, and the first sprocket 2053 rotates coaxially with the third lead screw 2051, and the first sprocket 2053 is driven by a chain. A support box 2054 is provided at the end of the slide slot 205, and the first sprocket 2053 is rotatably set in the support box 2054, and the third drive motor 2052 is fixedly set at the outer end of the support box 2054. When the third drive motor 2052 is working, the rear support frame 2 can be moved through the linkage of the chain and the sprocket to change the distance between the front and rear support frames 2. At this time, the ball 20243 inside the transverse bearing device 2024 can realize the transverse rotation while also allowing the first lead screw 203 and the first auxiliary beam 2031 to extend outward and inward.

[0035] Embodiment 3:

[0036] An upward column plate 207 is also provided on both sides of the upper end of the press box 1. A second sprocket 2071 is rotatably provided at the front end of the column plate 207. A double-row sprocket 2072 is provided at the rear end of the upper end of the column plate 207. A support frame 20731 is provided at the outer periphery of the front end of the column plate 207 on at least one side. A fourth drive motor 2073 is provided at the upper end of the support frame 20731. The fourth drive motor 2073 drives at least one second sprocket 2071. The second sprocket 2071 and the lower sprocket of the double-row sprocket 2072 are driven by a chain. The sprockets at the upper end of the double-row sprocket 2072 are driven by a chain. A second lead screw 2074 is rotatably provided at the front and rear of the column plate 207. The second lead screw 2074 rotates coaxially with the second sprocket 2071 and the double-row sprocket 2072 respectively. A support block 2075 is provided at the front and rear of the column plate 207. The second lead screw 2074 rotates through the support block 2075, a screw slide 2076 is provided between the support blocks 2075, a frame 2077 is provided in the middle of the screw slide 2076 through a screw drive, a pressure roller 2078 is rotatably provided between the lower ends of the frame 2077, and a third auxiliary beam 2079 is provided on both sides of the second lead screw 2074, and the third auxiliary beam 2079 moves through the support block 2075. When the hydraulic cylinder 101 described in Example 1 completes the work, the lifting frame 202 rises, and at this time the fourth drive motor 2073 works and realizes the control of the rise and fall of the screw slide 2076 through the linkage of the second sprocket 2071 and the double-row sprocket 2072, thereby controlling the rise and fall of the frame 2077, and the screw slide 2076 realizes the forward and backward movement of the frame 2077 through the control of its own servo motor, thereby realizing the flattening of the uneven mold sand after compaction through the pressure roller 2078.

Claims

1. A casting mold sand box compacting device, comprising a compacting box (1), a support frame (2), and a clamping mechanism (3), characterized in that The support frame (2) is provided with at least two groups, and is arranged in a front and rear mirror image. The press box (1) is movably arranged between the support frames (2), the clamping mechanism (3) is arranged in the middle of the support frame (2), the rear end of the support frame (2) is provided with racks (201), the support frame (2) is movably sleeved with a lifting frame (202), the inner side of the front part of the lifting frame (202) is driven by a first driving motor (2021) and is provided with a driving gear (2022), the driving gear (2022 is meshed with the rack (201), the inner side of the rear part of the lifting frame (202) is rotatably provided with a top wheel (2023), the top wheel (2023) is in rolling contact with the rear end surface of the support frame (2), and the lifting frames (202) of the support frames (2) on both sides are rotatably provided with a first driving motor (2021) and a second driving motor (2022) is provided between the lifting frames (202) of the support frames (2) on both sides. A lead screw (203), a second drive motor (204) is provided at the end of the support frame (2), and the rear end of the first lead screw (203) movably passes through the lifting frame (202) of the rear support frame (2), and the lifting frame (202) is provided with a transverse bearing device (2024) at the movable passing position, the outside of the transverse bearing device (2024) is an outer sleeve (20241), both sides of the outer sleeve (20241) are provided with limiting edges, the inner sleeve (20242) is provided with an inner sleeve (20242) for rotation, the end face array of the inner sleeve (20242 is provided with a through hole, and a ball (20243) is provided in the through hole for rolling, the diameter of the ball (20243) is greater than the tooth spacing of the first lead screw (203), and the ball (2 0243) is in rolling contact with the outer end surface of the first lead screw (203), the second drive motor (204) drives the first lead screw (203), the first lead screw (203) rotates and passes through the upper part of the press box (1), the front part of the clamping mechanism (3) is a support plate (301), the support plate (301) is fixedly arranged in the middle part of the support frame (2), the inner side of the support plate (301) is movably provided with a push plate (302), the outer end of the support plate (301) is provided with a cylinder (303), the cylinder (303) provides air pressure thrust for the push plate (302), the inner end surface array of the push plate (302) is provided with a pressure wheel (304), the upper end of the push plate (302) is provided with a bending surface, the upper end of the bending surface is provided with a vibration motor (305), and the middle part of the press box (1) is provided with a space , an array is provided with a hydraulic cylinder (101), a push rod portion of the hydraulic cylinder (101) movably passes through the bottom of the press box (1), a pressure head (1011) is provided at the end of the push rod of the hydraulic cylinder (101), a shock absorber (3041) is connected between the pressure wheel (304) and the end surface of the push plate (302), a hinge rod (3042) is provided in a circular array between the rear end of the pressure wheel (304) and the push plate (302), and the ends of the hinge rod (3042) are respectively hinged to the rear end of the pressure wheel (304) and the end of the push plate (302), a second auxiliary beam (3021) is provided in the front end array of the push plate (302), and the second auxiliary beam (3021) movably passes through the support plate (301), and the bottom end of the support frame (2) also includes at least two groups of slide grooves (205),A base (2061) is provided at the bottom end of the support frame (2), and the bases (2061) are respectively arranged at the bottom ends of the main beams (206), the base (2061) of the front support frame (2) is fixedly arranged in the slide groove (205), and the base (2061) of the rear support frame (2) is movably arranged in the slide groove (205), and a third lead screw (2051) is rotatably arranged in the slide groove (205), and the third lead screw (2051) rotates through the base (2061) of the front support frame (2) 1), a third lead screw (2051) engages and rotates through the base (2061) of the rear support frame (2), a third drive motor (2052) is provided at the outer end of the slide groove (205), and the third drive motor (2052) drives at least one third lead screw (2051), and both sides of the upper end of the press box (1) are also provided with an upward column plate (207), and the upper front end of the column plate (207) is rotatably provided with a second sprocket (2071), and the upper rear end of the column plate (207) is provided with a double-row sprocket (2 072), a support frame is provided on the periphery of the front of at least one side of the column plate (207), a fourth drive motor (2073) is provided on the upper end of the support frame, the fourth drive motor (2073) drives at least one second sprocket (2071), the second sprocket (2071) and the lower sprocket of the double-row sprocket (2072) are driven by a chain, the upper sprockets of the double-row sprocket (2072) are driven by a chain, and a second lead screw (2074) is provided for rotation at the front and rear of the column plate (207), The second lead screw (2074) rotates coaxially with the second sprocket (2071) and the double-row sprocket (2072), respectively. A support block (2075) is provided to move forward and backward on the column plate (207). The second lead screw (2074) rotates through the support block (2075). A screw slide (2076) is provided between the support blocks (2075). A frame (2077) is provided in the middle of the screw slide (2076) through a screw drive. A pressure roller (2078) is provided to rotate between the lower ends of the frame (2077).

2. The casting mold sand box compacting device according to claim 1, characterized in that The support frame (2) column is two main beams (206) arranged in an array, and recessed end surfaces are provided at the four corners of the main beams (206). The support plate (301) is fixedly arranged between the main beams (206). The movable sleeve of the lifting frame (202) is arranged in the middle of the main beams (206). Support wheels (2025) are arranged in an array at the front and rear ends inside the lifting frame (202). The support wheels (2025) are in rolling contact with the recessed end surfaces at the four corners of the main beams (206). Support bodies (2026) are arranged and connected between the lifting frames (202). The first lead screw (203) rotates and passes through the support body (2026). The transverse bearing device (2024) is arranged in the middle of the support body (2026) between the rear lifting frames (202). The second drive motor (204) is arranged at the outer end of the support body (2026) between the front lifting frames (202).

3. The casting mold sand box compacting device according to claim 1, characterized in that The lifting frame (202) is provided with connecting plates on both sides, a space is provided between the connecting plates, and the first driving motor (221) protrudes from the space between the connecting plates.

4. The casting mold sand box compacting device according to claim 1, characterized in that A first auxiliary beam (2031) is provided in an array around the first lead screw (203). The first auxiliary beam (2031) movably passes through the upper part of the press box (1), and the front end of the first auxiliary beam (2031) is fixedly connected to the support body (2026) between the lifting frame (202) at the front, and the rear end of the first auxiliary beam (2031) movably passes through the support body (2026) between the lifting frame (202) at the rear, and a transverse bearing device (2024) is provided at the movable passing point.

5. The casting mold sand box compacting device according to claim 1, characterized in that A varistor (1012) is provided inside the push rod of the hydraulic cylinder (101), the push rod of the hydraulic cylinder (101) is a movable plug-in structure, the outer end of the movable plug-in structure is connected with a spring (1013), the varistor (1012) is located inside the movable plug-in structure, and the side end of the pressure box (1) is arranged with a window (102).

6. The casting mold sand box compacting device according to claim 1, characterized in that A first sprocket (2053) is rotatably provided at the outer end of the slide groove (205), the first sprocket (2053) rotates coaxially with the third lead screw (2051), and the first sprockets (2053) are driven by a chain, a support box (2054) is provided at the end of the slide groove (205), the first sprocket (2053) is rotatably provided in the support box (2054), and the third drive motor (2052) is fixedly provided at the outer end of the support box (2054).

7. The casting mold sand box compacting device according to claim 1, characterized in that Third auxiliary beams (2079) are provided on both sides of the second lead screw (2074), and the third auxiliary beams (2079) movably pass through the support block (2075).

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