CN213968442U

CN213968442U - Staircase bending machine

Info

Publication number: CN213968442U
Application number: CN202022638224.9U
Authority: CN
Inventors: 王四海
Original assignee: Hefei Haoyi Metal Product Co ltd
Current assignee: Hefei Haoyi Metal Product Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-17
Anticipated expiration: 2030-11-13

Abstract

The utility model relates to an escalator bending machine relates to return bend equipment technical field, including the lathe the rigid coupling of lathe up end is provided with the recess disc, recess disc side is provided with the locating part that is used for fixed tubular product one end, the lathe top is provided with the power arm, the power arm rotates to be connected on the recess disc, be provided with the cylinder stopper on the power arm, still be provided with on the power arm and be used for the drive the cylinder stopper is followed the first drive assembly of power arm length direction upward movement, be provided with on the lathe and be used for the drive the power arm centers on rotary motion's second drive assembly is to the recess disc. This application has the effect that improves production efficiency, reduces intensity of labour.

Description

Staircase bending machine

Technical Field

The application relates to the field of pipe bending technical equipment, in particular to an escalator pipe bender.

Background

At present, the escalator often needs to bend steel pipes in the production process, the bending of small-batch steel pipes is generally realized by manual pipe bending, the size of the bent steel pipes is limited by the existing pipe bending machine, the pipe bending machine is not easy to adjust, the use process is very inconvenient, and the efficiency is low.

The traditional Chinese patent with the patent publication number of CN107127229A provides a pipe bending machine, which comprises a fixed block, a supporting block, an upper clamping block, a lower clamping block and a handle, wherein the supporting block, the upper clamping block of a bent pipe and the lower clamping block of the bent pipe are connected above the fixed block of the manual pipe bending machine, the upper clamping block is rectangular, the lower clamping block is circular, a sliding rail for the lower clamping block to move is arranged on the fixed block, and a heating coil is arranged on the lower clamping block.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the manual pipe bender utilizes manual work to bend the steel pipe, so that the manual workload is increased, the working efficiency is low, and the production efficiency and the qualification rate of products are influenced.

SUMMERY OF THE UTILITY MODEL

The escalator pipe bender aims at solving the problems of low production efficiency and high labor intensity during manual pipe bending.

The application provides a pair of staircase bending machine adopts following technical scheme:

the utility model provides an escalator bending machine, includes the lathe machine head face rigid coupling has the recess disc, recess disc side is provided with the locating part that is used for fixed tubular product one end, the lathe top is provided with the power arm, the power arm rotates to be connected on the recess disc, be provided with the cylinder stopper on the power arm, still be provided with on the power arm and be used for the drive the cylinder stopper is followed the first drive assembly of power arm length direction upward movement, be provided with on the lathe and be used for the drive the power arm centers on rotary motion's second drive assembly is to the recess disc.

Through adopting above-mentioned technical scheme, operating personnel is at the return bend in-process, at first insert the locating part with the one end of pipe in fixed, then control second drive assembly drive power arm and be circular motion around the recess disc, the cylinder stopper on the power arm follows the power arm and moves together, thereby the cylinder stopper extrudees the pipe crooked, replace the manual work with the machine, the problem that artifical return bend production efficiency is low and intensity of labour is high has been improved, simultaneously in bending process, operating personnel can control first drive assembly drive cylinder stopper and move on power arm length direction, when the cylinder stopper is close to the recess disc, the crooked radian grow of pipe, when the recess disc was kept away from to the cylinder stopper, the crooked radian of pipe diminishes.

Optionally, be provided with the hangers on the power arm, second drive assembly includes rotary rod, gear, rack and motor, the motor set up in the hangers up end, the output of motor with the rotary rod runs through the one end coaxial coupling of hangers, the rotary rod is kept away from the one end of motor with gear coaxial coupling, the gear with rack toothing, the rack is the circular arc annular, the rack with the coaxial setting of recess disc is just fixed on the lathe.

Through adopting above-mentioned technical scheme, rack and gear and motor cooperation work for the motor can drive gear revolve, and the gear revolve is relative motion on the rack, thereby the gear passes through the rotary rod and drives the power arm and rotate around the recess disc.

Optionally, the power arm includes two horizontal slices and vertical piece, two the horizontal slice is kept away from the equal vertical fixation of tip of recess disc is in the both ends of vertical piece are in, the cylinder stopper sets up in two between the horizontal slice, one of them the horizontal slice is kept away from the one end of vertical piece is connected the recess disc is kept away from a terminal surface of lathe, another one the horizontal slice is kept away from the one end of vertical piece is connected the recess disc is close to a terminal surface of lathe.

Through adopting above-mentioned technical scheme, the cylinder stopper is established to the horizontal piece clamp for the cylinder stopper is more stable at rotatory in-process.

Optionally, first drive assembly includes threaded rod and slide, two be provided with the screw thread piece between the horizontal piece, vertical piece with threaded rod sliding connection, the screw thread piece with threaded rod threaded connection, the slide with the threaded rod rotates to be connected, the slide slip clamp is established two just be located between the horizontal piece the screw thread piece with between the recess disc, the cross-section of slide is the C font, the slide includes two horizontal segments and a vertical section, two horizontal segments are connected perpendicularly the both ends of vertical section, the cylinder stopper rotates to be connected two between the horizontal segment, two the horizontal segment with still be provided with between the cylinder stopper and be used for preventing the cylinder stopper is followed the spacing piece that drops between the horizontal piece.

Through adopting above-mentioned technical scheme, through rotatory threaded rod, the control threaded rod moves in power arm length direction, and then drives the cylinder stopper on the slide and move together, and spacing piece restriction cylinder stopper can only move in power arm horizontal direction, has avoided the cylinder stopper to drop from the power arm.

Optionally, the limiting part may be detachably disposed on the groove disc, the limiting part includes an arc iron sheet and two lug pieces, the two lug pieces are respectively and fixedly connected to two ends of the arc iron sheet, the groove disc is provided with a bolt, the lug pieces are fixedly connected to the upper end face of the edge of the groove disc, the lower end face of the groove disc is fixedly connected to a fixing column, and another lug piece of the limiting part is sleeved on the fixing column.

Through adopting above-mentioned technical scheme, the one end of pipe is fixed to the locating part for the pipe other end can be extruded by the cylinder stopper and crooked, and the locating part can be dismantled, and is different when the pipe diameter that will be crooked, can dismantle the locating part, changes not unidimensional locating part.

Optionally, a fan-shaped groove is formed in the upper end face of the machine tool, and the rack is fixedly connected with the bottom wall of the fan-shaped groove.

Through adopting above-mentioned technical scheme, the rack sets up in the fan-shaped recess on the lathe for under the circumstances that does not influence the power arm rotation, make the rack fixed more steady.

Optionally, the machine tool upper end face is being close to the power arm is keeping away from the circular arc recess has been seted up to the one end of recess disc, the circular arc recess with fan-shaped groove coaxial setting, the power arm is close to the machine tool the horizontal plate is keeping away from the one end rigid coupling of recess disc has the slide bar, slide bar sliding connection in the circular arc recess.

Through adopting above-mentioned technical scheme, the slide bar is kept away from the one end of recess disc and sliding connection in the circular arc recess at the power arm for the power arm also has the strong point at the distal end of keeping away from the recess disc and lathe, can make the power arm be more steady when doing circular motion around the recess disc.

Optionally, one end of the threaded rod, which is far away from the groove disc, is fixedly connected with a handle, and anti-skid lines are arranged on the handle.

Through adopting above-mentioned technical scheme, set up the handle on the threaded rod, make things convenient for operating personnel to control the threaded rod more, anti-skidding line makes operating personnel more stable in operation process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the pipe bending process, an operator firstly inserts one end of a pipe into the limiting part, then controls the second driving assembly to drive the power arm to do circular motion around the groove disc, a cylindrical limiting block on the power arm moves along with the power arm, the cylindrical limiting block extrudes the pipe to bend the pipe, and machines are used for replacing manual work, so that the problems of low production efficiency and high labor intensity of manual pipe bending are solved;

2. the first driving assembly can control the cylindrical limiting block to move in the horizontal direction of the power arm, and the sliding sheet limits the cylindrical limiting block to move only in the horizontal direction of the power arm, so that the cylindrical limiting block is prevented from falling off from the power arm;

3. the rack, the gear and the motor are matched to work, so that the motor can drive the gear to rotate, the gear rotates to make relative motion on the rack, and the gear drives the power arm to rotate around the groove disc through the rotary rod.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a rear view structure diagram of an embodiment of the present application.

Reference numerals: 1. a machine tool; 2. a grooved disk; 3. a power arm; 31. A horizontal sheet; 32. a vertical sheet; 41. A threaded rod; 42. a slide sheet; 43. a limiting sheet; 5. a thread block; 6. a cylindrical limiting block; 7. a limiting member; 72. Fixing a column; 8. hanging a lug; 9. a second drive assembly; 91. rotating the rod; 92. a gear; 93. a rack; 94. a motor; 10. a fan-shaped groove; 111. a circular arc groove; 112. a slide bar; 113. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses staircase bending machine. Referring to fig. 1 and 2, an escalator pipe bender comprises a machine tool 1, wherein a central rod is fixedly welded on the upper end surface of the machine tool 1, a groove disc 2 is welded on the central rod, a limiting part 7 for fixing one end of a pipe is arranged on the side surface of the groove disc 2, the limiting part 7 is an arc iron sheet and two lug sheets, one lug sheet of the limiting part 7 is fixedly connected with the upper end surface of the edge of the groove disc 2 through a bolt, the lower end surface of the groove disc 2 is fixedly connected with a fixed column 72, and the other lug sheet of the limiting part 7 is sleeved on the fixed column 72; a power arm 3 is arranged above the machine tool 1, the power arm 3 is movably connected onto the groove disc 2, a cylindrical limiting block 6 is arranged on the power arm 3, a first driving assembly for controlling the cylindrical limiting block 6 to horizontally move in the length direction of the power arm 3 is further arranged on the power arm 3, and a second driving assembly 9 for driving the power arm 3 to rotate around the groove disc 2 is arranged on the machine tool 1.

One end of the pipe is inserted into the limiting part 7 and fixed, the second driving assembly 9 drives the power arm 3 to do circular motion around the groove disc 2, the cylindrical limiting block 6 on the power arm 3 moves along with the power arm 3, and the cylindrical limiting block 6 extrudes the pipe to bend the pipe.

Referring to fig. 1, the power arm 3 includes two horizontal pieces 31 and a vertical piece 32, the vertical piece 32 is vertically and fixedly connected between the end portions of the two horizontal pieces 31 far away from the groove disc 2, one end of one horizontal piece 31 far away from the vertical piece 32 is rotatably connected to one end surface of the groove disc 2 far away from the machine tool 1, and the other end of the horizontal piece 31 far away from the vertical piece 32 is rotatably connected to one end surface of the groove disc 2 near the machine tool 1; be provided with on lathe 1 and drive power arm 3 and be rotary motion's second drive assembly 9 around recess disc 2, second drive assembly 9 includes rotary rod 91, gear 92, rack 93 and motor 94, a side of keeping away from the level plate 31 of lathe 1 is provided with hangers 8, the 8 up end of hangers is provided with motor 94, the upper end of rotary rod 91 is connected to the output coaxial of motor 94, rotary rod 91 runs through and connects hangers 8, rotary rod 91 keeps away from the one end coaxial coupling gear 92 of motor 94, rack 93 is connected in the meshing of gear 92, rack 93 is circular arc annular, rack 93 and recess disc 2 coaxial setting just fix on lathe 1.

When the output end of the motor 94 is driven to rotate, the rotating rod 91 and the gear 92 are driven to rotate together, the gear 92 is meshed with the rack 93, the rack 93 is in an arc ring shape and is coaxially fixed on the machine tool 1 together with the groove disc 2, and the gear 92 rotates to generate movement relative to the rack 93, so that the gear 92 can do circular movement around the groove disc 2 along the radian of the rack 93, and meanwhile, the power arm 3 is driven to do circular movement around the groove disc 2.

Referring to fig. 1, be provided with first drive assembly on power arm 3, first drive assembly includes threaded rod 41, slider 42, fixed welded connection thread block 5 between two horizontal slices 31, threaded rod 41 runs through on vertical piece 32, threaded rod 41 threaded connection is on thread block 5, slider 42 slides and presss from both sides and establish between two horizontal slices 31 and be located between thread block 5 and the recess disc 2, slider 42's cross-section is the C font, slider 42 includes two horizontal segments and a vertical section, two horizontal segments connect perpendicularly at the both ends of vertical section, cylinder stopper 6 rotates to be connected between two horizontal segments of slider 42, still fixedly connected with spacing piece 43 between two horizontal segments of slider 42 and the cylinder stopper 6, the vertical section of slider 42 rotates and is connected with threaded rod 41.

Threaded rod 41 threaded connection fixes the screw thread piece 5 between two horizontal pieces 31, rotates threaded rod 41, and threaded rod 41 can produce relative motion to screw thread piece 5 on the horizontal direction, can drive the cylinder stopper 6 on slide 42 and the slide 42 simultaneously and move on the horizontal direction, and when cylinder stopper 6 was close to recess disc 2, the crooked radian grow of pipe, when recess disc 2 was kept away from to cylinder stopper 6, the crooked radian of pipe diminished.

Referring to fig. 1, the upper end surface of a machine tool 1 is provided with a fan-shaped groove 10, a rack 93 is fixedly connected to the bottom end surface of the fan-shaped groove 10, one circular arc groove 111 is formed in one end, which is close to a power arm 3 and is far away from a groove disc 2, of the upper end surface of the machine tool 1, the circular arc groove 111 and the fan-shaped groove 10 are coaxially arranged, a sliding rod 112 is fixedly welded at one end, which is far away from the groove disc 2, of a horizontal sheet 31, which is close to the machine tool 1, of the power arm 3, the sliding rod 112 is movably connected to the circular arc groove 111, a handle 113 is fixedly connected to one end, which is far away from the groove disc 2, of a threaded rod 41, and anti-skid lines are arranged on the handle 113.

The handle 113 is arranged on the threaded rod 41, so that the threaded rod 41 can be controlled by an operator more conveniently, and the anti-skid lines enable the operator to be more stable in the operation process; the rack 93 is arranged in the fan-shaped groove 10 on the machine tool 1, so that the rack 93 is fixed more stably under the condition that the rotation of the power arm 3 is not influenced; the sliding rod 112 enables the power arm 3 to have a supporting point with the machine tool 1 at the end far away from the groove disc 2, so that the power arm 3 can be more stable when making circular motion around the groove disc 2.

The implementation principle of this application embodiment staircase bending machine does: in the pipe bending process, an operator firstly inserts one end of a pipe into the limiting piece 7, then turns on the motor 94, the motor 94 rotates to drive the rotary rod 91 and the gear 92 to rotate together, the rack 93 and the groove disc 2 are coaxially arranged and fixed on the machine tool 1, the gear 92 is meshed with and rotates on the rack 93 to generate circular motion with a certain radian relative to the rack 93, so that the gear 92 drives the power arm 3 to do circular motion around the groove disc 2, the cylindrical limiting block 6 on the power arm 3 moves along with the power arm 3, the cylindrical limiting block 6 can extrude the pipe in the motion process to bend the pipe, the machine replaces manual work, the problems of low production efficiency and high labor intensity of manual pipe bending are solved, meanwhile, in the bending process, the operator can rotate the threaded rod 41, and the threaded rod 41 is in threaded connection with the threaded block 5 fixed between two horizontal blocks of the power arm 3, at threaded rod 41 rotation in-process, threaded rod 41 can produce relative horizontal motion to screw block 5, and threaded rod 41 can be close to recess disc 2 or keep away from recess disc 2 along 3 length direction of power arm, and when cylinder stopper 6 was close to recess disc 2, the crooked radian grow of pipe, when cylinder stopper 6 kept away from recess disc 2, the crooked radian of pipe diminishes, has realized the control to the pipe degree of curvature.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an staircase bending machine which characterized in that: including lathe (1) up end rigid coupling is fluted disc (2), fluted disc (2) side is provided with locating part (7) that are used for fixed tubular product one end, lathe (1) top is provided with power arm (3), power arm (3) rotate to be connected on fluted disc (2), be provided with cylinder stopper (6) on power arm (3), still be provided with on power arm (3) and be used for the drive cylinder stopper (6) are followed the first drive assembly of power arm (3) length direction upward movement, be provided with on lathe (1) and be used for the drive power arm (3) center on rotary motion's second drive assembly (9) is done to fluted disc (2).

2. The escalator bender according to claim 1, wherein: be provided with hangers (8) on power arm (3), second drive assembly (9) include rotary rod (91), gear (92), rack (93) and motor (94), motor (94) set up in hangers (8) up end, the output of motor (94) with rotary rod (91) run through the one end coaxial coupling of hangers (8), rotary rod (91) are kept away from the one end of motor (94) with gear (92) coaxial coupling, gear (92) with rack (93) meshing, rack (93) are the circular arc annular, rack (93) with coaxial setting of recess disc (2) is just fixed on lathe (1).

3. The escalator bender according to claim 2, wherein: the power arm (3) comprises two horizontal pieces (31) and vertical pieces (32), the two horizontal pieces (31) are far away from the end parts of the groove disks (2) and are vertically fixed at the two end parts of the vertical pieces (32), the cylindrical limiting blocks (6) are arranged between the two horizontal pieces (31), one of the horizontal pieces (31) is far away from one end of each vertical piece (32) and is connected to one end face of each groove disk (2) far away from the machine tool (1), and the other horizontal piece (31) is far away from one end of each vertical piece (32) and is connected to one end face of each groove disk (2) close to the machine tool (1).

4. The escalator bender according to claim 3, wherein: first drive assembly includes threaded rod (41) and slide (42), two be provided with screw thread piece (5) between horizontal piece (31), vertical piece (32) with threaded rod (41) sliding connection, screw thread piece (5) with threaded rod (41) threaded connection, slide (42) with threaded rod (41) rotate to be connected, slide (42) slide clamp is established two between horizontal piece (31) and be located screw thread piece (5) with between recess disc (2), the cross-section of slide (42) is the C font, slide (42) include two horizontal segments and a vertical section, two horizontal segments are connected perpendicularly the both ends of vertical section, cylinder stopper (6) rotate to be connected two between the horizontal segment, two horizontal segment with still be provided with between cylinder stopper (6) and be used for preventing cylinder stopper (6) follow horizontal segment (6) are followed And a stopper piece (43) which is dropped between the pieces (31).

5. The escalator bender according to claim 1, wherein: the locating part (7) is detachably arranged on the groove disc (2), the locating part (7) comprises an arc iron sheet and two lug pieces, the two lug pieces are fixedly connected to two ends of the arc iron sheet respectively, a bolt is arranged on the groove disc (2), the lug pieces are fixedly connected to the upper end face of the edge of the groove disc (2), a fixing column (72) is fixedly connected to the lower end face of the groove disc (2), and the other lug piece of the locating part (7) is sleeved on the fixing column (72).

6. The escalator bender according to claim 3, wherein: the upper end surface of the machine tool (1) is provided with a fan-shaped groove (10), and the rack (93) is fixedly connected with the bottom wall of the fan-shaped groove (10).

7. The escalator bender according to claim 6, wherein: lathe (1) up end is being close to power arm (3) are kept away from circular arc recess (111) have been seted up to the one end of recess disc (2), circular arc recess (111) with fan-shaped recess (10) coaxial setting, power arm (3) are close to lathe (1) level piece (31) are keeping away from the one end rigid coupling of recess disc (2) has slide bar (112), slide bar (112) sliding connection in circular arc recess (111).

8. The escalator bender according to claim 4, wherein: one end, far away from the groove disc (2), of the threaded rod (41) is fixedly connected with a handle (113), and anti-skidding grains are arranged on the handle (113).