Positioning roller mechanism of top box drawing machine

Abstract

The invention discloses a positioning roller mechanism of a top box drawing machine, which comprises a positioning assembly, a first positioning roller and a second positioning roller, the positioning assembly comprises a positioning guide groove, a first positioning roller and a second positioning roller, the first positioning roller is in sliding connection with the positioning guide groove, and the second positioning roller is in sliding connection with the positioning guide groove; the top box drawing machine further comprises two sets of stripping plates, a clamping mechanism, a base mechanism, a motorized roller way mechanism, two sets of lifting mechanisms and a hydraulic device, each set of stripping plates comprises two pieces, the lower surfaces of the stripping plates are fixedly connected with the lifting mechanisms, each set of lifting mechanisms comprises two joists and a lifting roller installation base, each set of joists comprises two pieces, and each set of lifting roller installation base comprises two pieces of lifting rollers. Each group of lifting roller mounting seats is provided with two rows, the lifting roller mounting seats are respectively mounted on two sides of the top box drawing machine through the positioning components, and the lifting mechanism and the stripping plate are effectively prevented from deflecting in the lifting process to cause unstable movement through the movement of the first positioning roller and the second positioning roller in the positioning guide groove.

Description

Technical Field

[0001] The invention relates to the technical field of a top box demoulding machine, in particular to a positioning roller mechanism of a top box demoulding machine. Background Art

[0002] The ejector is driven by a hydraulic cylinder. The ejector pin moves upwards by lifting the stripping plate inside the ejector. The pin passes through the bottom plate and contacts the sand box and then continues to lift, thereby lifting the sand box to realize the ejection action. The equipment is mainly used in the molding line of resin sand and other self-hardening sands. It can also be used as a single machine with a motorized roller to complete the ejection of sand molds.

[0003] When the top box demoulding machine currently in use demoulds, the stripping plate moves completely following the movement of the motorized roller mechanism to drive the lifting mechanism upward. However, the stripping plate is easily affected by gravity during the rising process and causes unstable movement, which affects the demoulding effect. Therefore, in order to solve the problem of deflection in the use of existing equipment, this scheme proposes a positioning roller mechanism for the top box demoulding machine. Summary of the invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a positioning roller mechanism for a top box demolding machine. The positioning roller mechanism is respectively installed on both sides of the top box demolding machine through a positioning component. The first positioning roller and the second positioning roller inside the positioning guide groove are moved to effectively prevent the lifting mechanism and the stripping plate from swinging during the rising process, causing unstable movement.

[0005] The present invention also provides a positioning roller mechanism of the top box demoulding machine as described above, including a positioning component, the positioning component includes a positioning guide groove, a first positioning roller, and a second positioning roller, the first positioning roller is slidably connected to the positioning guide groove, and the second positioning roller is slidably connected to the positioning guide groove; the top box demoulding machine also includes a stripping plate, a clamping mechanism, a base mechanism, a motorized roller mechanism, a lifting mechanism, and a hydraulic device. The stripping plate is provided with two groups, each with two pieces, and the lifting mechanism is provided with two groups. The lower surface of the stripping plate is fixedly connected to the lifting mechanism. The two groups of lifting mechanisms each include a supporting beam and a lifting roller mounting seat, each group of the supporting beams is respectively provided with two, and each group of the lifting roller mounting seats is respectively provided with two rows, and the lower surface of each group of the supporting beams is respectively fixedly connected to the corresponding lifting roller mounting seat, and the two outer side surfaces of the two groups of the supporting beams that are away from each other are rotatably connected to the second positioning roller through a rotating shaft, and the two outer side surfaces of the two rows of lifting roller mounting seats that are away from each other are rotatably connected to the first positioning roller through a rotating shaft, and the interior of the lifting roller mounting seat is connected with a lifting roller through a rotating shaft;

[0006] The base mechanism comprises a bottom beam, the upper surface of the bottom beam is fixedly connected to the bottom rail support frame, the upper surface of the bottom rail support frame is fixedly connected to the bottom rail, the upper surface of the bottom beam is fixedly connected to the hydraulic base, the left and right ends of the upper surface of the bottom beam are fixedly connected to the side columns, the upper surface of the bottom beam is fixedly connected to the support frame, the side columns are arranged in two rows with six columns in each row, the top ends of the side columns in each row are respectively fixedly connected to the upper beams, and the upper beams are arranged in four rows, and the inner side surfaces of the two upper beams far away from each other are fixedly connected to the positioning guide grooves;

[0007] The motorized roller mechanism comprises a crossbeam and a stabilizing link, the left and right ends of the crossbeam are fixedly connected with guide roller mounting seats, the guide roller mounting seats are provided with four rows in total, and each two rows form a group, the interiors of the four rows of guide roller mounting seats are connected with guide rollers through rotating shafts, the guide rollers are movably connected to the bottom rails, abutment seats are fixedly connected between each group of guide roller mounting seats, the upper surfaces of the four rows of guide roller mounting seats are fixedly connected with wedge-shaped guide seats, and the lifting rollers are movably connected to the wedge-shaped guide seats; the hydraulic device comprises a hydraulic cylinder, one end of the hydraulic cylinder is rotatably connected to a first support via a movably connected shaft, the lower surface of the first support is fixedly connected to the upper surface of the hydraulic base, the other end of the hydraulic cylinder is rotatably connected to a second support via a movably connected shaft, and the side surface of the second support is fixedly connected to the side surface of the abutment seat.

[0008] According to a positioning roller mechanism of a top box demoulding machine provided by the present invention, a connecting bridge is provided between the two groups of stripping plates contained in the top box demoulding machine, and the left and right ends of the connecting bridge are respectively fixedly connected to the stripping plates on both sides, and the connecting bridge is provided with ten connecting bridges in total, with five connecting bridges in each group.

[0009] According to a positioning roller mechanism of a top box demoulding machine provided by the present invention, the guide rollers contained in the top box demoulding machine are provided with four groups of ten guide rollers in total, and the four groups of guide rollers correspond to the four rows of guide roller mounting seats respectively.

[0010] According to a positioning roller mechanism of a top box demoulding machine provided by the present invention, the top box demoulding machine comprises six bottom beams which are equidistantly distributed, the upper surfaces of the six bottom beams are fixedly connected with support frames, the upper surfaces of the support frames are fixedly connected with the lower surfaces of two upper beams which are close to each other, the outer surfaces of the four stripping plates are provided with grooves, the interiors of the grooves are movably connected with conveying rollers, the conveying rollers are provided with four groups of eleven rollers in each group, and the four upper beams are respectively fixedly connected with the support seats of the corresponding four groups of conveying rollers.

[0011] According to a positioning roller mechanism of a top box demoulding machine provided by the present invention, the clamping mechanism in the top box demoulding machine includes a clamping cylinder and a clamping plate, one end of the clamping cylinder is rotatably connected to a bracket one via a rotating shaft, the bracket one is fixedly connected to a side column, the other end of the clamping cylinder is rotatably connected to a clamping plate via a rotating shaft, the clamping plate is rotatably connected to a bracket two via a rotating shaft, the bracket two is fixedly connected to an upper beam, the clamping mechanism is provided with two groups respectively distributed on both sides of the two groups of stripping plates and each group is provided with six clamping plates, the outer surface of the stripping plate is provided with a notch, and the clamping plate moves inside the notch.

[0012] According to a positioning roller mechanism of a top box demolding machine provided by the present invention, the wedge-shaped guide seats contained in the top box demolding machine are provided with four rows of eight each, and the lifting rollers are provided with four rows of eight each, and the four rows of wedge-shaped guide seats are respectively connected to the four rows of lifting rollers corresponding to each other.

[0013] According to a positioning roller mechanism of a top box demoulding machine provided by the present invention, both ends of a stabilizing connecting rod included in the top box demoulding machine are respectively fixedly connected to two groups of guide roller mounting seats.

[0014] According to the present invention, a positioning roller mechanism for a top box demoulding machine is provided, wherein two groups of positioning components are provided, and the two groups of positioning components are respectively distributed in the middle positions of the left and right sides of the top box demoulding machine, so as to stabilize the top box demoulding machine and prevent it from swinging during the demoulding process.

[0015] Compared with the prior art, a positioning roller mechanism of a top box demoulding machine of the present invention is respectively installed on both sides of the top box demoulding machine through a positioning component, and the internal first positioning roller and the second positioning roller move inside the positioning guide groove, thereby effectively preventing the lifting mechanism and the stripping plate from swinging during the rising process and causing unstable movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 It is an overall structural diagram of a top box demoulding machine of the present invention;

[0018] Figure 2 A side view of a top box demoulding machine of the present invention;

[0019] Figure 3 It is a schematic diagram of the internal structure of a top box demoulding machine of the present invention;

[0020] Figure 4 A schematic diagram of a top box demoulding base mechanism of the present invention;

[0021] Figure 5 It is a schematic diagram of a stripping layout for a top box demoulding of the present invention;

[0022] Figure 6 It is a schematic diagram of the installation of a positioning roller mechanism and a lifting mechanism of a top box demoulding machine of the present invention;

[0023] Figure 7 The present invention is a schematic diagram of the structure of a motorized roller for demoulding a top box.

[0024] Legend:

[0025] 1. Positioning assembly; 101. Positioning guide groove; 102. First positioning roller; 103. Second positioning roller; 2. Stripping plate; 3. Clamping mechanism; 301. Bracket 1; 302. Clamping cylinder; 303. Bracket 2; 304. Clamping plate; 4. Base mechanism; 401. Bottom beam; 402. Side column; 403. Bottom rail support; 404. Bottom rail; 405. Hydraulic base; 406. Support frame; 407. Upper beam ; 5. Motorized roller mechanism; 501. Guide roller mounting seat; 502. Guide roller; 503. Wedge-shaped guide seat; 504. Stabilizing connecting rod; 505. Crossbeam; 506. Abutment seat; 6. Lifting mechanism; 601. Support beam; 602. Lifting roller mounting seat; 603. Lifting roller; 7. Hydraulic device; 701. Hydraulic cylinder; 702. First support; 703. Second support; 8. Connecting bridge; 9. Conveyor roller. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0027] Reference Figure 1-7The embodiment of the present invention is a positioning roller mechanism of a top box demoulding machine, which includes: a positioning component 1, the positioning component 1 includes a positioning guide groove 101, a first positioning roller 102, and a second positioning roller 103, the first positioning roller 102 is slidably connected to the positioning guide groove 101, and the second positioning roller 103 is slidably connected to the positioning guide groove 101; the top box demoulding machine also includes a stripping plate 2, a clamping mechanism 3, a base mechanism 4, a motorized roller mechanism 5, a lifting mechanism 6, and a hydraulic device 7. The stripping plate 2 is provided with two groups of two pieces each, and the lifting mechanism 6 is provided with two groups. The lower surface of the stripping plate 2 is fixedly connected to the lifting mechanism 6, and the two groups The lifting mechanisms 6 include supporting beams 601 and lifting roller mounting seats 602. Each group of supporting beams 601 is provided with two, and each group of lifting roller mounting seats 602 is provided with two rows. The lower surface of each group of supporting beams 601 is fixedly connected to the corresponding lifting roller mounting seats 602, and the two outer surfaces of the two groups of supporting beams 601 that are away from each other are rotatably connected to the second positioning roller 103 through a rotating shaft. The two outer surfaces of the two rows of lifting roller mounting seats 602 that are away from each other are rotatably connected to the first positioning roller 102 through a rotating shaft. The interior of the lifting roller mounting seat 602 is connected to the lifting roller 603 through a rotating shaft.

[0028] The base mechanism 4 includes a bottom beam 401, the upper surface of the bottom beam 401 is fixedly connected to a bottom rail support frame 403, the upper surface of the bottom rail support frame 403 is fixedly connected to a bottom rail 404, the upper surface of the bottom beam 401 is fixedly connected to a hydraulic base 405, the left and right ends of the upper surface of the bottom beam 401 are fixedly connected to side columns 402, the upper surface of the bottom beam 401 is fixedly connected to a support frame 406, the side columns 402 are provided in two rows with six columns in each row, the top of each row of side columns 402 is fixedly connected to an upper beam 407, and there are four upper beams 407 in total, and the inner surfaces of two upper beams 407 that are far away from each other are fixedly connected to the positioning guide groove 101.

[0029] The motorized roller mechanism 5 includes a crossbeam 505 and a stabilizing link 504. The left and right ends of the crossbeam 505 are fixedly connected with guide roller mounting seats 501. The guide roller mounting seats 501 are provided with four rows, each two rows forming a group. The interiors of the four rows of guide roller mounting seats 501 are all connected with guide rollers 502 through rotating shafts. The guide rollers 502 are movably connected to the bottom rail 404. Abutment seats 506 are fixedly connected between each group of guide roller mounting seats 501. The upper surfaces of the four rows of guide roller mounting seats 501 are all fixedly connected with wedge-shaped guide seats 503, and the lifting rollers 603 are movably connected to the wedge-shaped guide seats 503.

[0030] The hydraulic device 7 includes a hydraulic cylinder 701, one end of which is rotatably connected to a first support 702 via a movable connecting shaft, the lower surface of the first support 702 is fixedly connected to the upper surface of the hydraulic base 405, and the other end of the hydraulic cylinder 701 is rotatably connected to a second support 703 via a movable connecting shaft, and the side surface of the second support 703 is fixedly connected to the side surface of the abutment seat 506. A connecting bridge 8 is provided between the two groups of stripping plates 2 included in the top box demoulding machine, and the left and right ends of the connecting bridge 8 are respectively fixedly connected to the stripping plates 2 on both sides, and there are a total of ten connecting bridges 8, each of which is a group of five. The hydraulic device 7 uses a synchronous motor to ensure the synchronization accuracy of the hydraulic cylinder 701 during the movement process.

[0031] The guide rollers 502 included in the top box demoulding machine are provided with four groups of ten rollers each, and the four groups of guide rollers 502 correspond to the four rows of guide roller mounting seats 501. The bottom beams 401 included in the top box demoulding machine are provided with six beams 401 and are evenly distributed. The upper surfaces of the six bottom beams 401 are fixedly connected with support frames 406, and the upper surfaces of the support frames 406 are fixedly connected with the lower surfaces of two upper beams 407 close to each other. The outer surfaces of the four stripping plates 2 are provided with slots, and the inside of the slots is movably connected with conveying rollers 9. The conveying rollers 9 are provided with four groups of eleven rollers each, and the four upper beams 407 are fixedly connected with the support seats of the corresponding four groups of conveying rollers 9.

[0032] The clamping mechanism 3 in the top box demoulding machine includes a clamping cylinder 302 and a clamping plate 304. One end of the clamping cylinder 302 is rotatably connected to a bracket 301 via a rotating shaft. The bracket 301 is fixedly connected to a side column 402. The other end of the clamping cylinder 302 is rotatably connected to a clamping plate 304 via a rotating shaft. The clamping plate 304 is rotatably connected to a bracket 2 303 via a rotating shaft. The bracket 2 303 is fixedly connected to an upper beam 407. The clamping mechanism 3 is provided with two groups, which are respectively distributed on both sides of the two groups of stripping plates 2 and each group is provided with six. A notch is provided on the outer surface of the stripping plate 2. The clamping plate 304 moves inside the notch. Before the sand box is ready for demoulding, the clamping cylinder 302 drives the clamping plate 304 to clamp the bottom plate to prevent the bottom plate from being lifted up during the demoulding process, thereby improving the stability of the demoulding machine during the demoulding process.

[0033] The wedge-shaped guide seats 503 included in the top box demoulding machine are provided with four rows of eight in each row, and the lifting rollers 603 are provided with four rows of eight in each row. The four rows of wedge-shaped guide seats 503 are respectively connected to the four rows of lifting rollers 603 in correspondence with each other. The two ends of the stabilizing connecting rod 504 included in the top box demoulding machine are respectively fixedly connected to the two groups of guide roller mounting seats 501. There are two groups of positioning components 1, which are respectively distributed in the middle positions of the left and right sides of the top box demoulding machine to prevent the lifting mechanism 6 and the stripping plate 2 from swinging during the rising process and causing unstable movement.

[0034] Working principle: When in use, the solidified sand mold and the bottom plate enter the demoulding machine from the external conveying roller, and stop running after reaching the demoulding station. At the same time, the clamping mechanism 3 drives the clamping plate 304 to move and clamp the bottom plate through the work of the clamping cylinder 302 to prevent the bottom plate from being brought out during the demoulding process. The power transmitted by the hydraulic cylinder 701 in the hydraulic device 7 makes the motorized roller mechanism 5 move, and a plurality of wedge-shaped guide seats 503 are installed in its movement direction. Above the wedge-shaped guide seat 503 is a lifting roller mounting seat 602. The lifting roller 603 in the lifting roller mounting seat 602 contacts the wedge-shaped guide seat 503. Since the working surface of the wedge-shaped guide seat 503 is an inclined surface, the lifting roller 603 is lifted along the inclined surface during the movement. Since the lifting mechanism 6 is connected to the stripping plate 2. As a result, the sand box located above the stripping plate 2 is lifted up to realize the demoulding action. During this rising process, the first positioning roller 102 and the second positioning roller 103 in the positioning assembly 1 inside it move synchronously inside the positioning guide groove 101.

[0035] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A positioning roller mechanism for a top box demoulding machine, comprising a positioning assembly (1), characterized in that: The positioning assembly (1) comprises a positioning guide groove (101), a first positioning roller (102), and a second positioning roller (103); the first positioning roller (102) is slidably connected to the positioning guide groove (101), and the second positioning roller (103) is slidably connected to the positioning guide groove (101); The top box demoulding machine also includes a stripping plate (2), a clamping mechanism (3), a base mechanism (4), a motorized roller mechanism (5), a lifting mechanism (6), and a hydraulic device (7). The stripping plate (2) is provided with two groups of two plates in each group. The lifting mechanism (6) is provided with two groups. The lower surface of the stripping plate (2) is fixedly connected to the lifting mechanism (6). The two groups of the lifting mechanisms (6) include a supporting beam (601) and a lifting roller mounting seat (602). Each group of the supporting beams (601) is provided with two, and each group of the lifting roller mounting seats (602) are provided with two. The seats (602) are respectively provided with two rows, the lower surface of each group of the supporting beams (601) is respectively fixedly connected to the corresponding lifting roller mounting seat (602), the two outer surfaces of the two groups of the supporting beams (601) that are away from each other are rotatably connected to the second positioning roller (103) through a rotating shaft, the two outer surfaces of the two rows of the lifting roller mounting seats (602) that are away from each other are rotatably connected to the first positioning roller (102) through a rotating shaft, and the interior of the lifting roller mounting seat (602) is connected to the lifting roller (603) through a rotating shaft; The base mechanism (4) comprises a bottom beam (401), the upper surface of the bottom beam (401) is fixedly connected to a bottom rail support frame (403), the upper surface of the bottom rail support frame (403) is fixedly connected to a bottom rail (404), the upper surface of the bottom beam (401) is fixedly connected to a hydraulic base (405), the left and right ends of the upper surface of the bottom beam (401) are fixedly connected to side columns (402), the upper surface of the bottom beam (401) is fixedly connected to a support frame (406), the side columns (402) are provided in two rows, each row has six columns, the top of each row of the side columns (402) is fixedly connected to an upper beam (407), a total of four upper beams (407) are provided, and the inner side surfaces of two upper beams (407) that are far away from each other are fixedly connected to the positioning guide groove (101); The motorized roller mechanism (5) comprises a crossbeam (505) and a stabilizing link (504). The left and right ends of the crossbeam (505) are fixedly connected with guide roller mounting seats (501). The guide roller mounting seats (501) are provided with four rows, with two rows forming a group. The interiors of the four rows of guide roller mounting seats (501) are connected with guide rollers (502) via rotating shafts. The guide rollers (502) are movably connected to the bottom rail (404). An abutment seat (506) is fixedly connected between each group of guide roller mounting seats (501). The upper surfaces of the four rows of guide roller mounting seats (501) are fixedly connected with wedge-shaped guide seats (503). The lifting rollers (603) are movably connected to the wedge-shaped guide seats (503). The hydraulic device (7) comprises a hydraulic cylinder (701), one end of the hydraulic cylinder (701) is rotatably connected to a first support (702) via a movable connecting shaft, the lower surface of the first support (702) is fixedly connected to the upper surface of the hydraulic base (405), and the other end of the hydraulic cylinder (701) is rotatably connected to a second support (703) via a movable connecting shaft, and the side surface of the second support (703) is fixedly connected to the side surface of the abutment seat (506).

2. A positioning roller mechanism for a top box demoulding machine according to claim 1, characterized in that: A connecting bridge (8) is provided between the two groups of stripping plates (2) included in the top box demoulding machine. The left and right ends of the connecting bridge (8) are respectively fixedly connected to the stripping plates (2) on both sides. There are a total of ten connecting bridges (8), with five connecting bridges forming a group.

3. A positioning roller mechanism for a top box demoulding machine according to claim 1, characterized in that: The guide rollers (502) included in the top box demoulding machine are provided with four groups of ten guide rollers in each group, and the four groups of guide rollers (502) correspond to the four rows of guide roller mounting seats (501) respectively.

4. A positioning roller mechanism for a top box demoulding machine according to claim 1, characterized in that: The top box demoulding machine comprises six bottom beams (401) which are evenly spaced. The upper surfaces of the six bottom beams (401) are fixedly connected with support frames (406). The upper surfaces of the support frames (406) are fixedly connected with the lower surfaces of two upper beams (407) which are close to each other. The outer surfaces of the four stripping plates (2) are provided with slots. The interiors of the slots are movably connected with conveying rollers (9). The conveying rollers (9) are provided with four groups, each with eleven rollers. The four upper beams (407) are fixedly connected with the support seats of the corresponding four groups of conveying rollers (9).

5. The positioning roller mechanism of the top box demoulding machine according to claim 1, characterized in that: The clamping mechanism (3) in the top box demoulding machine comprises a clamping cylinder (302) and a clamping plate (304). One end of the clamping cylinder (302) is rotatably connected to a bracket (301) via a rotating shaft. The bracket (301) is fixedly connected to a side column (402). The other end of the clamping cylinder (302) is rotatably connected to a clamping plate (304) via a rotating shaft. The clamping plate (304) is rotatably connected to a bracket (303) via a rotating shaft. The bracket (303) is fixedly connected to an upper beam (407). The clamping mechanism (3) is provided with two groups, which are respectively distributed on both sides of the two groups of stripping plates (2), and each group is provided with six clamping plates. The outer surface of the stripping plate (2) is provided with a notch, and the clamping plate (304) moves inside the notch.

6. A positioning roller mechanism for a top box demoulding machine according to claim 1, characterized in that: The wedge-shaped guide seats (503) included in the top box demoulding machine are arranged in four rows with eight in each row, and the lifting rollers (603) are arranged in four rows with eight in each row. The four rows of wedge-shaped guide seats (503) are respectively connected to the four rows of lifting rollers (603) in a corresponding manner.

7. A positioning roller mechanism for a top box demoulding machine according to claim 1, characterized in that: The two ends of the stabilizing connecting rod (504) included in the top box demoulding machine are respectively fixedly connected to the two groups of guide roller mounting seats (501).

8. A positioning roller mechanism according to claim 1, characterized in that: There are two groups of positioning components (1) in total, and the two groups of positioning components (1) are respectively distributed in the middle positions of the left and right sides of the top box demoulding machine.

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