CN211100959U - Durable improved angle-controllable die for steel chair - Google Patents

Abstract

The utility model discloses a steel chair is with controllable mould of durable improved generation angle, including base, support frame, first movable rod, second movable rod, go up mould and lower mould, welded connection has the support frame on the base, and the bolt fastening has the pneumatic cylinder on the support frame to the threaded rod is run through to the top screw thread of support frame, first movable rod and second movable rod constitute quadrilateral, and the one end of drawing close mutually between two first movable rods and two second movable rods all runs through the first articulated shaft that has the bearing to connect, the one end that first movable rod and second movable rod drawn close mutually runs through the second articulated shaft that has the bearing to connect. This steel chair is with angle modulation structure of controllable mould of durable improved generation angle comprises first movable rod and second movable rod, and first movable rod and the combination of second movable rod become articulated quadrangle, through the interval of adjusting the articulated shaft between first movable rod and the second movable rod to can just can adjust the angle of bending, the durability is strong.

Description

Durable improved angle-controllable die for steel chair

Technical Field

The utility model relates to a steel pipe chair processing technology field specifically is a steel pipe chair is with controllable mould of durable improved generation angle.

Background

The steel tube chair is a chair formed by steel tubes, when the steel tubes are processed into various parts of the chair, the steel tubes need to be bent, and simultaneously, the bending angles need to be controlled due to different structures of the parts;

the angle control structure of the existing bending equipment is half of the opening and closing angle for controlling two bending parts, the two bending parts are controlled to move through an independent mechanism, so that the integral structure is too complex, the angle adjustment precision is poor, the reliability is poor, the durability is not strong, the use requirements of people cannot be met, and in view of the defects existing in the prior art, the angle control structure is necessary to be further improved, so that the angle control structure has more practicability and can meet the actual use condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel chair is with controllable mould of durable improved generation angle to solve that the overall structure that provides of above-mentioned background art is too complicated, the angle modulation precision is poor comparatively, the reliability is not good, the not strong problem of durability.

In order to achieve the above object, the utility model provides a following technical scheme: a durable improved angle-controllable die for a steel tube chair comprises a base, a support frame, a first movable rod, a second movable rod, an upper die and a lower die, wherein the support frame is welded on the base, a hydraulic cylinder is fixed on the support frame through a bolt, a threaded rod penetrates through the top end of the support frame in a threaded manner, the first movable rod and the second movable rod form a quadrilateral structure, a first articulated shaft connected with a bearing penetrates through one end of each of the two first movable rods and the two second movable rods, the closed ends of the first movable rods and the second movable rods penetrate through a second articulated shaft connected with the bearing, the two ends of the first articulated shaft on the two first movable rods and the two second movable rods are respectively connected with a first fixed plate and a second fixed plate through bearings, ring pieces are sleeved at the two ends of the second articulated shaft, and ball grooves are uniformly formed in the opposite surfaces of the two ring pieces, and the ball inslot is provided with the ball, be welded connection between first fixed plate and the base, the second fixed plate is connected with the bottom bearing of threaded rod, the side of going up mould and lower mould welded connection respectively has first diaphragm and second diaphragm, and the tailpiece of the piston rod welded connection of first diaphragm and pneumatic cylinder to it has the montant to run through in the second diaphragm wall body, be linear bearing swing joint between montant and the second diaphragm, and be welded connection between the bottom of montant and the base, and the cover has spring on the montant between second diaphragm bottom surface and the base.

Furthermore, the support frame is wholly in an inverted L-shaped structure, and the first movable rod, the second movable rod, the upper die and the lower die are all located inside the support frame.

Furthermore, the number of the first movable rods and the second movable rods is two, and the two first movable rods and the two second movable rods are distributed in a staggered mode.

Furthermore, the ring piece is of a circular ring-shaped structure, and the inner circle of the ring piece is connected with the surface of the second hinge shaft in a threaded screwing mode.

Further, the upper die is disc-shaped, the lower die is semi-disc-shaped, and grooves with cylindrical sections are formed in the outer circular walls of the upper die and the lower die.

Compared with the prior art, the beneficial effects of the utility model are that: this angle modulation structure of durable improved generation controllable angle mould for steel chair comprises first movable rod and second movable rod, first movable rod and the combination of second movable rod become articulated quadrangle, through the interval of adjusting the articulated shaft between first movable rod and the second movable rod, thereby can just can adjust the angle of bending, when adjusting, only need rotate the threaded rod upwards stimulate the articulated quadrangle that first movable rod and second movable rod constitute can, thereby whole adjustment mechanism simple structure, and first movable rod and second movable rod sound construction, can guarantee the operation steady operation of bending, the reliability is high, and the durability is strong, be favorable to using widely.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the first movable rod and the second movable rod of the present invention;

fig. 4 is a front view of a second hinge shaft and a ring plate according to the present invention.

In the figure: 1. the base, 2, the support frame, 3, first movable rod, 4, second movable rod, 5, first articulated shaft, 6, second articulated shaft, 7, first fixed plate, 8, second fixed plate, 9, threaded rod, 10, ring piece, 11, ball groove, 12, ball, 13, go up the mould, 14, lower mould, 15, first diaphragm, 16, second diaphragm, 17, pneumatic cylinder, 18, montant, 19, elasticity spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a durable improved angle-controllable mould for a steel tube chair comprises a base 1, a support frame 2, first movable rods 3, second movable rods 4, an upper mould 13 and a lower mould 14, wherein the support frame 2 is welded on the base 1, a hydraulic cylinder 17 is fixed on the support frame 2 through a bolt, a threaded rod 9 penetrates through the top end thread of the support frame 2, the first movable rods 3 and the second movable rods 4 form a quadrilateral structure, a first articulated shaft 5 connected with a bearing penetrates through one end of each of the two first movable rods 3 and the two second movable rods 4, a second articulated shaft 6 connected with the bearing penetrates through one end of each of the two first movable rods 3 and the two second movable rods 4, a first fixed plate 7 and a second fixed plate 8 are respectively connected with two ends of the first articulated shafts 5 on the two first movable rods 3 and the two second movable rods 4 through bearings, ring pieces 10 are respectively sleeved at two ends of the second articulated shafts 6, and the opposite sides of the two ring pieces 10 are uniformly provided with ball grooves 11, balls 12 are arranged in the ball grooves 11, the first fixing plate 7 is in welded connection with the base 1, the second fixing plate 8 is in bearing connection with the bottom end of the threaded rod 9, the side surfaces of the upper die 13 and the lower die 14 are respectively in welded connection with a first transverse plate 15 and a second transverse plate 16, the first transverse plate 15 is in welded connection with the piston rod end of a hydraulic cylinder 17, a vertical rod 18 penetrates through the wall body of the second transverse plate 16, the vertical rod 18 is movably connected with the second transverse plate 16 through a linear bearing, the bottom end of the vertical rod 18 is in welded connection with the base 1, and an elastic spring 19 is sleeved on the vertical rod 18 between the bottom surface of the second transverse plate 16 and the base 1.

Further, support frame 2 is whole to be "L" column structure, and first movable rod 3, second movable rod 4, go up mould 13 and lower mould 14 and all be located support frame 2's inside, when bending the operation, insert the steel pipe between two first movable rods 3 and second movable rod 4, bend through pushing down mould 13, whole bending process goes on inside support frame 2 like this, when bending, when the steel pipe appears breaking and pops out, can be blocked by support frame 2, and the security is good.

Further, 4 numbers of first movable rod 3 and second movable rod are two, and two first movable rods 3 and second movable rod 4 distribute for the alternating expression, and then make first movable rod 3 and second movable rod 4 not be in on same perpendicular, have the interval between first movable rod 3 and the second movable rod 4, and then can place the steel pipe on second articulated shaft 6 between the two.

Further, the ring piece 10 is the ring structure, and be connected for the screw thread closure between the circle in the ring piece 10 and the 6 surfaces of second articulated shaft, the position of ring piece 10 on second articulated shaft 6 can be adjusted, can press from both sides tight the steel pipe on the second articulated shaft 6 like this, avoid the steel pipe when buckling, the incline appears, be provided with ball 12 on the ring piece 10, ball 12 can be at 11 internal rotations in the ball groove, and ball 12 protrusion in the surface of ring piece 10, ball 12 can contact with the steel pipe like this, can reduce friction, make when pressing from both sides tight steel pipe, can not hinder its removal.

Further, go up mould 13 and be discoid, lower mould 14 is the semicircle dish form, and has offered the section on the outer circular wall between them and be cylindric slot, goes up the slot on mould 13 and the lower mould 14, can block the steel pipe, and lower mould 13 is when descending like this, and cooperation lower mould 14 just can be bent to the steel pipe on the second articulated shaft 6.

The working principle is as follows: when the adjustable angle adjusting device is used, the brick is rotated upwards or the threaded rod 9 is rotated downwards according to the angle required to be adjusted, so that the threaded rod 9 can pull up or press down the hinged quadrangle formed by the first movable rod 3 and the second movable rod 4 through the second fixing plate 8, the distance between the second hinged shafts 6 between the first movable rod 3 and the second movable rod 4 can be adjusted, after the adjustment is finished, the top end and the bottom end of the hinged quadrangle formed by the first movable rod 3 and the second movable rod 4 are fixed by the first fixing plate 7 and the second fixing plate 8, and the whole body is of a fixed structure and cannot deform;

then, the steel pipe is directly placed on the second hinge shaft 6, the hydraulic cylinder 17 is connected to an external power supply and is driven to operate, the hydraulic cylinder 17 presses the upper die 13 downwards through the first transverse plate 15, the upper die 13 is matched with the lower die 14 to bend the steel pipe, in the bending process, the lower die 14 continuously moves downwards, the second transverse plate 16 on the lower die continuously extrudes the elastic spring 19 when moving, and then the upper die 13 and the lower die 14 can be tightly attached to the bending position of the steel pipe through the elastic action of the elastic spring 19, so that the stable operation of the bending operation is ensured.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a steel chair is with controllable mould of durable improved generation angle, includes base (1), support frame (2), first movable rod (3), second movable rod (4), goes up mould (13) and lower mould (14), its characterized in that: the base (1) is welded with a support frame (2), a hydraulic cylinder (17) is fixed on the support frame (2) through a bolt, a threaded rod (9) penetrates through the top end of the support frame (2), the first movable rods (3) and the second movable rods (4) form a quadrilateral structure, a first articulated shaft (5) connected with a bearing penetrates through one end of each of the two first movable rods (3) and the two second movable rods (4) which are close to each other, a second articulated shaft (6) connected with a bearing penetrates through one end of each of the two first movable rods (3) and the two second movable rods (4) which are close to each other, a first fixed plate (7) and a second fixed plate (8) are respectively connected with two ends of the first articulated shaft (5) on the two first movable rods (3) and the two second movable rods (4) through bearings, ring pieces (10) are sleeved at two ends of the second articulated shaft (6), and the opposite surfaces of the two ring sheets (10) are evenly provided with ball grooves (11), and balls (12) are arranged in the ball grooves (11), the first fixing plate (7) is connected with the base (1) in a welding way, the second fixing plate (8) is connected with a bottom end bearing of the threaded rod (9), the side surfaces of the upper die (13) and the lower die (14) are respectively welded with a first transverse plate (15) and a second transverse plate (16), and the first transverse plate (15) is welded with the piston rod end of the hydraulic cylinder (17), a vertical rod (18) penetrates through the wall body of the second transverse plate (16), the vertical rod (18) is movably connected with the second transverse plate (16) through a linear bearing, the bottom end of the vertical rod (18) is connected with the base (1) through welding, and an elastic spring (19) is sleeved on the vertical rod (18) between the bottom surface of the second transverse plate (16) and the base (1).

2. The durable improved angle-controllable mould for the steel chair according to claim 1, wherein the support frame (2) is integrally of an inverted L-shaped structure, and the first movable rod (3), the second movable rod (4), the upper mould (13) and the lower mould (14) are all positioned in the support frame (2).

3. The durable improved angle-controllable mold for a steel chair according to claim 1, wherein: the number of the first movable rods (3) and the number of the second movable rods (4) are two, and the two first movable rods (3) and the two second movable rods (4) are distributed in a staggered mode.

4. The durable improved angle-controllable mold for a steel chair according to claim 1, wherein: the ring piece (10) is of a circular ring-shaped structure, and the inner circle of the ring piece (10) is connected with the surface of the second hinge shaft (6) in a threaded screwing mode.

5. The durable improved angle-controllable mold for a steel chair according to claim 1, wherein: the upper die (13) is disc-shaped, the lower die (14) is semi-disc-shaped, and grooves with cylindrical sections are formed in the outer circular walls of the upper die and the lower die.

Images