Mold limiting device for swing table of rotational molding machine

Abstract

The utility model relates to the technical field of limiting devices, and provides a mold limiting device of a swing table of a rotational molding machine, which comprises a bottom plate and a trunnion, the top end of the bottom plate is fixedly connected with a triangular seat, the top end of the triangular seat is provided with a mounting groove, the trunnion is rotatably connected inside the mounting groove, and the trunnion is provided with a connecting seat. A swing seat is fixedly connected to the top end of the connecting seat, a mold body is arranged on the swing seat, multi-stage telescopic rods are rotationally connected to slopes on the two sides of the triangular seat, the top ends of the two multi-stage telescopic rods are rotationally connected to the bottom end of the swing seat, and the two multi-stage telescopic rods are sleeved with buffer springs; the two ends of the buffer spring are connected to the triangular base and the swing base respectively, and mounting holes are formed in the four corners of the bottom plate, so that the probability that the trunnion deforms and even breaks is reduced, and the purpose of improving the stability of equipment is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a limiting device technical field, specifically, relates to a mould limiting device of roto -molding machine swing platform. BACKGROUND

[0002] The roto -molding machine of swing formula is one kind of roto -molding forming equipment, because its equipment cost is lower and the wall thickness of product is more easily controlled, so it is widely applied, and the roto -molding machine swing platform is used to bear and install mould, and the mould is driven to rotate through the rotating shaft arranged on the roto -molding machine swing platform, and the roto -molding machine swing platform itself makes swing motion around the trunnion perpendicular to the rotating shaft, so that the mould makes swing motion and rotation simultaneously.

[0003] Through the search, the patent publication number CN102814900B of a kind of mould limiting device of roto -molding machine swing platform is disclosed on December 3, 2014 in China, and it is roughly described as including: drum support assembly, the drum support assembly includes bottom mounting plate, the vertical shaft setting on bottom mounting plate and the triangular support frame horizontally movable nesting in the top end of vertical shaft;Drum, the drum is rotatably arranged on the vertical shaft of the drum support assembly;And the auxiliary support block setting below two support arms of triangular support frame, the auxiliary support block is fixedly connected with the support arm of triangular support frame.

[0004] Although the prior art scheme above effectively improves the load bearing capacity of the roto -molding machine swing platform during swing, the load caused by the device to the trunnion is larger during operation, which can easily cause the trunnion to deform or even break, causing equipment damage and reducing the stability of the equipment. UTILITY MODEL CONTENTS

[0005] Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a mould limiting device of roto -molding machine swing platform to solve the problem of large load caused by the device to the trunnion during operation, which can easily cause the trunnion to deform or even break, causing equipment damage and reducing the stability of the equipment.

[0007] (II) Technical scheme

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a mould limiting device of a swing table of a rotational moulding machine, including bottom plate, including trunnion, the top fixed connection of bottom plate has triangular seat, the top of triangular seat is equipped with the installation groove, the inside rotation connection of trunnion in installation groove, be equipped with connecting seat on trunnion, the top fixed connection of connecting seat has swing seat, be equipped with mould body on swing seat, the both sides slope of triangular seat all rotation connection has multistage telescopic link, the top of two multistage telescopic links all rotation connection in the bottom of swing seat, two multistage telescopic links all are equipped with buffer spring, and the both ends of buffer spring are connected on triangular seat and swing seat respectively, the installation hole is equipped with in the position of the four corners of bottom plate.

[0009] Through adopting the above technical scheme, when the equipment is running, the trunnion drives the swing seat and the mould body to swing left and right, when the swing seat swings left and right, two buffer springs are used for buffering the two ends of the swing seat, so as to reduce the load caused by the swing seat to the trunnion under the action of inertia, the multistage electric push rod is used for limiting the buffer spring, so as to avoid the deflection and shaking of the buffer spring, so as to maintain the buffering effect of the buffer spring, so as to reduce the probability of deformation or even fracture of the trunnion, so as to achieve the purpose of improving the stability of the equipment.

[0010] Optionally, the top of the bottom plate is fixedly connected with two corresponding threaded columns, the two threaded columns are respectively close to the two sides of the bottom end of the swing seat, and the threaded columns are respectively screw-connected with threaded cylinders.

[0011] Through the above technical scheme, the threaded cylinder is rotated, and the threaded cylinder is matched with the threaded column to adjust the height of the threaded cylinder, so that the swing seat is blocked at both ends when it swings to a certain angle, and the swing angle of the swing seat is adjusted according to the situation.

[0012] Optionally, the top of the threaded cylinder is provided with a mounting plate, and the top of the mounting plate is provided with a hemispherical anti-collision block.

[0013] Through the above technical scheme, the hemispherical anti-collision block is used to avoid rigid impact between the swing seat and the threaded cylinder, so as to reduce the wear of the equipment, so as to achieve the purpose of improving the service life of the equipment.

[0014] Optionally, the top of the threaded cylinder is provided with a threaded hole, and the bottom of the mounting plate is provided with a threaded rod matched with the threaded hole.

[0015] Through the above technical scheme, the threaded hole is matched with the threaded rod to facilitate the disassembly and installation of the mounting plate on the threaded cylinder, so as to achieve the purpose of facilitating the replacement of the hemispherical anti-collision block.

[0016] Optionally, a groove is formed on the threaded column, and a vertical scale is arranged in the groove; the triangular seat is provided with an annular scale; one end of the trunnion penetrates through the mounting slot and is connected with a pointer matched with the annular scale.

[0017] By adopting the above technical scheme, the vertical scale is used for conveniently observing the moving distance of the threaded cylinder on the threaded column, so as to indicate the specific height of the threaded cylinder, thereby facilitating personnel to level the two threaded cylinders; the annular scale is matched with the pointer, and is used for conveniently observing the rotating angle of the swing seat, so as to facilitate the height of the threaded cylinder to be adjusted at any time, thereby achieving the purpose of improving the universality of the equipment.

[0018] (Three) beneficial effects

[0019] In summary, the utility model has at least one of the following beneficial technical effects:

[0020] The mold limiting device of the rotational molding machine swing table, when the equipment is running, the trunnion drives the swing seat and the mold body to swing left and right, when the swing seat swings left and right, the two buffer springs are used for buffering the two ends of the swing seat, so as to reduce the load caused by the swing seat to the trunnion under the action of inertia, the multi-stage electric push rod is used for limiting the buffer spring, avoiding the deflection and shaking of the buffer spring, so as to maintain the buffering effect of the buffer spring, thereby reducing the probability of deformation or even fracture of the trunnion, thereby achieving the purpose of improving the stability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a first side view structural schematic diagram of the utility model;

[0022] Figure 2 It is a first sectional view structural schematic diagram of the utility model;

[0023] Figure 3 It is a first sectional view structural schematic diagram of the utility model; Figure 2 It is a first sectional view structural schematic diagram of the utility model;

[0024] Figure 4 It is a first sectional view structural schematic diagram of the utility model; Figure 2 It is a first sectional view structural schematic diagram of the utility model.

[0025] In the figure: 1, bottom plate; 2, trunnion; 3, triangular seat; 4, connecting seat; 5, swing seat; 6, mold body; 7, multi-stage telescopic rod; 8, buffer spring; 9, mounting hole; 10, threaded column; 11, threaded cylinder; 12, mounting plate; 13, hemispherical anti-collision block; 14, threaded rod; 15, vertical scale; 16, annular scale; 17, pointer. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0027] The present utility model will be further described in detail below in combination with the drawings of the accompanying specification.

[0028] Referring to Figures 1-4 A mould limiting device of a roving table of a rotational moulding machine, including a bottom plate 1, including an ear shaft 2, the top end of the bottom plate 1 is fixedly connected with a triangular seat 3, the top end of the triangular seat 3 is provided with a mounting groove, the ear shaft 2 is rotatably connected in the inside of the mounting groove, the ear shaft 2 is provided with a connecting seat 4, the top end of the connecting seat 4 is fixedly connected with a swinging seat 5, the swinging seat 5 is provided with a mould body 6, a plurality of telescopic rods 7 are rotatably connected on the two sides of the triangular seat 3, the top end of the two telescopic rods 7 is rotatably connected at the bottom end of the swinging seat 5, the two telescopic rods 7 are all provided with a buffer spring 8, the two ends of the buffer spring 8 are connected on the triangular seat 3 and the swinging seat 5 respectively, the four corner positions of the bottom plate 1 are all provided with a mounting hole 9, when the equipment runs, the ear shaft 2 drives the swinging seat 5 and the mould body 6 to swing left and right, when the swinging seat 5 swings left and right, the two buffer springs 8 are used for buffering the two ends of the swinging seat 5, so as to reduce the load caused by the swinging seat 5 to the ear shaft 2 under the action of inertia, the plurality of electric push rods are used for limiting the buffer spring 8, so as to avoid the buffer spring 8 from being deflected and shaken, so as to maintain the buffering effect of the buffer spring 8, so as to reduce the probability of deformation or even fracture of the ear shaft 2, so as to achieve the purpose of improving the stability of the equipment.

[0029] Referring to Figure 2 And Figure 3 The top end of the bottom plate 1 is fixedly connected with two corresponding threaded columns 10, the two threaded columns 10 are respectively close to the two sides of the bottom end of the swinging seat 5, the two threaded columns 10 are all threadedly connected with a threaded cylinder 11, the threaded cylinder 11 is rotated, the threaded cylinder 11 is matched with the threaded column 10, which is used for adjusting the height of the threaded cylinder 11, so that the swinging seat 5 is blocked at the two ends when swinging to a certain angle, so as to adjust the swinging angle of the swinging seat 5 according to the situation.

[0030] Referring to Figure 2 And Figure 3 The top end of the two threaded cylinders 11 is provided with a mounting plate 12, the top end of the two mounting plates 12 is provided with a hemisphere anti-collision block 13, the hemisphere anti-collision block 13 is used for avoiding rigid impact between the swinging seat 5 and the threaded cylinder 11, so as to reduce the wear of the equipment, so as to achieve the purpose of improving the service life of the equipment.

[0031] With reference to Figure 2 And Figure 3 , the top end of the threaded cylinder 11 is provided with a threaded hole, and the bottom end of the mounting plate 12 is provided with a threaded rod 14 matched with the threaded hole. The threaded hole is matched with the threaded rod 14, which is convenient for dismounting and mounting the mounting plate 12 on the threaded cylinder 11, so as to achieve the purpose of conveniently replacing the hemispherical anti-collision block 13.

[0032] With reference to Figures 2-4 , a groove is formed on the threaded column 10, and a vertical scale 15 is arranged in the groove. An annular scale 16 is arranged on the triangular seat 3, and a pointer 17 matched with the annular scale 16 is connected to one end of the trunnion 2 penetrating the mounting groove. The vertical scale 15 is used for conveniently observing the moving distance of the threaded cylinder 11 on the threaded column 10, so as to indicate the specific height of the threaded cylinder 11, so as to facilitate personnel to level the two threaded cylinders 11. The annular scale 16 is matched with the pointer 17, which is used for conveniently observing the rotation angle of the swing seat 5, so as to conveniently adjust the height of the threaded cylinder 11 at any time, so as to achieve the purpose of improving the universality of the equipment.

[0033] In summary, the working principle and working process of the mold limiting device of the rolling machine swing table are as follows: in use, first, when the equipment is running, the trunnion 2 drives the swing seat 5 and the mold body 6 to swing left and right. When the swing seat 5 swings left and right, the two buffer springs 8 are used to buffer the two ends of the swing seat 5, so as to reduce the load caused by the swing seat 5 to the trunnion 2 under the action of inertia. The multi-stage electric push rod is used to limit the buffer spring 8, so as to avoid the deflection and shaking of the buffer spring 8, so as to maintain the buffering effect of the buffer spring 8, so as to reduce the probability of deformation or even fracture of the trunnion 2, so as to achieve the purpose of improving the stability of the equipment. Rotate the threaded cylinder 11, and the threaded cylinder 11 is matched with the threaded column 10, which is used to adjust the height of the threaded cylinder 11, so that when the swing seat 5 swings to a certain angle, the two ends of the swing seat 5 are blocked, so that the swing angle of the swing seat 5 is adjusted according to the situation. The hemispherical anti-collision block 13 is used to avoid rigid impact between the swing seat 5 and the threaded cylinder 11, so as to reduce the wear of the equipment, so as to achieve the purpose of improving the service life of the equipment. The threaded hole is matched with the threaded rod 14, which is used to conveniently dismount and mount the mounting plate 12 on the threaded cylinder 11, so as to achieve the purpose of conveniently replacing the hemispherical anti-collision block 13. The vertical scale 15 is used for conveniently observing the moving distance of the threaded cylinder 11 on the threaded column 10, so as to indicate the specific height of the threaded cylinder 11, so as to facilitate personnel to level the two threaded cylinders 11. The annular scale 16 is matched with the pointer 17, which is used for conveniently observing the rotation angle of the swing seat 5, so as to conveniently adjust the height of the threaded cylinder 11 at any time, so as to achieve the purpose of improving the universality of the equipment.

[0034] The above-described embodiments only express the specific implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A mold limiting device of a swing table of a rotational molding machine, comprising a bottom plate (1), characterized in that: Including trunnion (2), the top of the bottom plate (1) is fixedly connected with triangular seat (3), the top of triangular seat (3) is provided with installation slot, the trunnion (2) is rotatably connected in the inside of installation slot, the trunnion (2) is equipped with connecting seat (4), the top of connecting seat (4) is fixedly connected with swing seat (5), swing seat (5) is equipped with mould body (6), both sides slope of triangular seat (3) are rotatably connected with multistage telescopic link (7), the top of two multistage telescopic links (7) is rotatably connected in the bottom of swing seat (5), two multistage telescopic links (7) are all equipped with buffer spring (8), and both ends of buffer spring (8) are connected on triangular seat (3) and swing seat (5) respectively, the four corner positions of bottom plate (1) are all provided with mounting hole (9).

2. A mold limiting device for a swing table of a rotational molding machine according to claim 1, characterized in that: The top of the bottom plate (1) is fixedly connected with two corresponding threaded columns (10), two threaded columns (10) are respectively close to the two sides of the bottom of swing seat (5), and the top of the two threaded columns (10) is rotatably connected with threaded cylinder (11).

3. A mold limiting device for a swing table of a rotational molding machine according to claim 2, characterized in that: The top of the two threaded cylinders (11) is provided with mounting plate (12), and the top of the two mounting plates (12) is provided with hemispherical anti-collision block (13).

4. A mold limiting device of a swing table of a rotational molding machine according to claim 3, characterized in that: The top of the threaded cylinder (11) is provided with threaded hole, and the bottom of the mounting plate (12) is provided with threaded rod (14) matched with the threaded hole.

5. A mold position limiting device for a swing table of a rotational molding machine according to claim 2, characterized in that: The threaded column (10) is provided with recess, and the inside of the recess is provided with vertical scale (15), the triangular seat (3) is provided with annular scale (16), and one end of the trunnion (2) is connected with pointer (17) matched with the annular scale (16) and penetrates the installation slot.

Images