CN220942722U

CN220942722U - Running machine armrest bending machine

Info

Publication number: CN220942722U
Application number: CN202323010416.5U
Authority: CN
Inventors: 庞诗琦; 戚政权
Original assignee: Hangzhou Zhengjian Technology Co ltd
Current assignee: Hangzhou Zhengjian Technology Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-05-14
Anticipated expiration: 2033-11-08

Abstract

The utility model belongs to the technical field of handrail bending, in particular to a running machine handrail bending machine, which comprises a foot rest, wherein a fixed plate is arranged on the foot rest, a fixed wheel is welded on the fixed plate, a connecting rod is welded on the top side of a rotating rod, the other end of the connecting rod is rotationally connected with a bending wheel through a pin, the rotating rod penetrates through the fixed plate, a semicircular gear is sleeved at the bottom end of the rotating rod, a rack is slidingly connected with the bottom of the fixed plate, the rack and the semicircular gear are meshed with each other, the semicircular gear is pushed by the rack to rotate 180 degrees, the semicircular gear drives the rotating rod to rotate 180 degrees, the connecting rod drives the bending wheel to rotate 180 degrees, namely, the bending wheel revolves around the fixed wheel, so that the metal pipe is accurately bent, the bending degree of the metal pipe is formed into a U-shaped structure, the bending angle is controlled by the semicircular gear, and the precision of the bending angle is beneficial to improving the qualification rate of products.

Description

Running machine armrest bending machine

Technical Field

The utility model relates to the technical field of handrail bending, in particular to a running machine handrail bending machine.

Background

The running machine is a stock exercise device for families and gymnasiums, is the simplest type of the household exercise devices, is the best choice of the household exercise device, is generally characterized in that a metal pipe is generally used as a handrail of the running machine to be directly bent into a specified size, and a bending machine is needed in the process of bending the metal pipe.

One Chinese patent with publication number CN217492253U discloses a bending mechanism for armrest production, which comprises a frame, a feeding structure, a bending structure assembly and a discharging structure; the bending structure assembly comprises a fixing seat, an auxiliary bending structure, a bending structure and a limiting guide structure; the bending structure comprises a motor, a synchronous belt structure, a first rotating shaft, a bearing seat, a first bearing, a first bolt and a bending assembly, and the metal pipe for handrail production is subjected to a bending procedure under the combined action of the bending structure in the bending structure assembly and the auxiliary bending structure.

In the existing handrail bending machine, the bending angle is not easy to control in the process of bending the metal pipe, so that subsequent shaping is needed, the accuracy of the bending angle is low, and the qualification rate of products is affected; accordingly, a treadmill handrail bending machine is proposed to solve the above problems.

Disclosure of utility model

In order to make up the defects of the prior art and solve the problems in the prior art, the utility model provides a running machine armrest bending machine.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a running machine armrest bending machine, which comprises a foot rest, wherein a fixing plate is arranged on the foot rest, a fixing wheel is welded on the fixing plate, a rotating rod penetrates through the center of the fixing wheel, the rotating rod is rotationally connected with the fixing wheel through a bearing, a connecting rod is welded on the top side of the rotating rod, the other end of the connecting rod is rotationally connected with a bending wheel through a pin, the rotating rod penetrates through the fixing plate, a semicircular gear is sleeved at the bottom end of the rotating rod, a limiting block is welded on the semicircular gear, a rack is slidingly connected with the bottom of the fixing plate, the rack is meshed with the semicircular gear, a mounting block is welded on the bottom side of the fixing plate, a hydraulic cylinder is arranged on the mounting block, a hydraulic rod is connected with a connecting block, the connecting block is fixedly connected with the side wall of the rack, a connecting groove is formed in the bottom side of the fixing plate, a connecting rod is internally provided with a connecting strip, the connecting rod is rotationally connected with the connecting rod through a pin, the semicircular gear drives the rotating rod to rotate 180 degrees, the connecting rod is driven by the semicircular gear to rotate 180 degrees, the connecting rod drives the connecting rod to rotate 180 degrees, and the bending wheel is driven by the semicircular gear to rotate 180 degrees, namely, the bending wheel is bent around the bending wheel is bent, and the bending degree of a metal pipe is accurately controlled to be bent, and the bending angle of a metal pipe is accurately bent, and the bending angle of a metal pipe is formed.

Preferably, the fixed plate is welded with a first positioning wheel and a second positioning wheel, a metal pipe is placed between the first positioning wheel and the second positioning wheel, the fixed plate is provided with a feeding assembly, the feeding assembly comprises a material guiding table, the material guiding table is welded on the fixed plate, the fixed plate is provided with a first sliding groove, a first screw rod is rotatably arranged between the inner walls of the first sliding groove through a bearing, a first stepping motor is arranged on the side wall of the fixed plate through a machine base, an output shaft of the first stepping motor is fixedly connected with the first screw rod, a first sliding block is arranged in the first sliding groove in a sleeved mode, the first sliding block slides in a matched mode through threads and the first screw rod, the top side of the first sliding block is welded with a pushing block, the pushing block is positioned in the material guiding table, and pushes the metal pipe to move horizontally on the material guiding table through placing the metal pipe, so that the metal pipe moves between the first positioning wheel and the second positioning wheel and between the fixed wheel and the bending wheel, and the quick feeding efficiency of the metal pipe is improved.

Preferably, install the unloading subassembly on the fixed plate, the unloading subassembly includes the second spout, the second spout is seted up on the fixed plate, install the second lead screw through the bearing rotation between the second spout inner wall, install the second step motor through the frame on the fixed plate lateral wall, the output shaft and the second lead screw fixed connection of second step motor, the inside second slider that is equipped with of second spout, the second slider cover is established at second lead screw periphery and is slided through screw thread and second lead screw cooperation, the draw-in groove has been seted up on the fixed wheel, the draw-in groove inside callipers is equipped with the fixture block, fixture block downside and second slider fixed connection are around on the fixed wheel through the tubular metal resonator of U-shaped, and the fixture block drives fixture block horizontal migration on the fixed wheel, and the fixture block takes out the tubular metal resonator of U-shape from the fixed wheel, has realized the quick unloading to the tubular metal resonator of U-shape, is of being favorable to improving unloading efficiency.

The utility model has the advantages that:

1. According to the utility model, the semicircular gear is driven by the rack to rotate 180 degrees, the rotating rod is driven by the semicircular gear to rotate 180 degrees, the connecting rod is driven by the rotating rod to rotate 180 degrees, the bending wheel is driven by the connecting rod to rotate 180 degrees, namely, the bending wheel revolves around the fixed wheel, so that the metal pipe is precisely bent, the bending degree of the metal pipe is bent into a U-shaped structure, the bending angle is controlled by the semicircular gear, the metal pipe is precisely bent, the accuracy of the bending angle is improved, and the qualification rate of products is improved.

2. According to the utility model, the metal pipe is placed on the material guiding table, the pushing block pushes the metal pipe to move horizontally, so that the metal pipe moves between the first positioning wheel and the second positioning wheel and between the fixed wheel and the bending wheel, the rapid feeding of the metal pipe is realized, the feeding efficiency is convenient to improve, the U-shaped metal pipe is wound on the fixed wheel, the second sliding block drives the clamping block on the fixed wheel to move horizontally, the clamping block takes the U-shaped metal pipe out of the fixed wheel, the rapid discharging of the U-shaped metal pipe is realized, and the feeding efficiency is beneficial to improvement.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of a first view;

FIG. 2 is a schematic view of a three-dimensional structure of a semicircular gear;

FIG. 3 is a schematic diagram of a three-dimensional structure of a hydraulic cylinder;

Fig. 4 is a schematic perspective view of a blanking assembly.

In the figure: 1. a foot rest; 2. a fixing plate; 3. a fixed wheel; 4. a rotating lever; 5. a connecting rod; 6. a bending wheel; 7. a semicircular gear; 8. a limiting block; 9. a rack; 10. a mounting block; 11. a hydraulic cylinder; 12. a hydraulic rod; 13. a connecting block; 14. a connecting groove; 15. a connecting strip; 16. a first positioning wheel; 17. a second positioning wheel; 18. a metal tube; 19. a material guiding table; 20. a first chute; 21. a first screw rod; 22. a first stepping motor; 23. a first slider; 24. a pushing block; 25. a second chute; 26. a second screw rod; 27. a second stepping motor; 28. a second slider; 29. a clamping groove; 30. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a handrail bending machine for running machine comprises a foot stand 1, a fixing plate 2 is arranged on the foot stand 1, a fixing wheel 3 is welded on the fixing plate 2, a rotating rod 4 penetrates through the center of the fixing wheel 3, the rotating rod 4 is rotationally connected with the fixing wheel 3 through a bearing, a connecting rod 5 is welded on the top side of the rotating rod 4, the other end of the connecting rod 5 is rotationally connected with a bending wheel 6 through a pin, the rotating rod 4 penetrates through the fixing plate 2 and is sleeved with a semicircular gear 7 at the bottom end, a limiting block 8 is welded on the semicircular gear 7, a rack 9 is slidingly connected on the bottom side of the fixing plate 2, the rack 9 is meshed with the semicircular gear 7, a mounting block 10 is welded on the bottom side of the fixing plate 2, a hydraulic cylinder 11 is arranged on the mounting block 10, a hydraulic rod 12 is connected on the hydraulic rod 12, the connecting rod 13 is fixedly connected with the side wall of the rack 9, a connecting groove 14 is formed on the bottom side of the fixing plate 2, the connecting groove 14 is internally provided with a connecting strip 15, the connecting strip 15 is fixedly connected with the rack 9, a first positioning wheel 16 and a second positioning wheel 17 are welded on the fixed plate 2, a metal pipe 18 is arranged between the first positioning wheel 16 and the second positioning wheel 17, a feeding component is arranged on the fixed plate 2, the feeding component comprises a material guiding table 19, the material guiding table 19 is welded on the fixed plate 2, a first chute 20 is arranged on the fixed plate 2, a first lead screw 21 is rotatably arranged between the inner walls of the first chute 20 through a bearing, a first stepping motor 22 is arranged on the side wall of the fixed plate 2 through a base, an output shaft of the first stepping motor 22 is fixedly connected with the first lead screw 21, a first sliding block 23 is arranged in the first chute 20, the first sliding block 23 is sleeved on the periphery of the first lead screw 21 and slides in a matched manner with the first lead screw 21 through threads, a push block 24 is welded on the top side of the first sliding block 23, the pushing block 24 is positioned in the material guiding table 19, the fixed plate 2 is provided with a blanking component, the blanking component comprises a second chute 25, the second chute 25 is arranged on the fixed plate 2, a second screw rod 26 is rotatably arranged between the inner walls of the second chute 25 through bearings, a second stepping motor 27 is arranged on the side wall of the fixed plate 2 through a machine seat, an output shaft of the second stepping motor 27 is fixedly connected with the second screw rod 26, a second sliding block 28 is arranged in the second chute 25, the second sliding block 28 is sleeved on the periphery of the second screw rod 26 and slides in a matched manner with the second screw rod 26 through threads, a clamping groove 29 is formed in the fixed wheel 3, a clamping block 30 is clamped in the clamping groove 29, and the bottom side of the clamping block 30 is fixedly connected with the second sliding block 28; during operation, the bending angle of the existing handrail bending machine is not easy to control in the process of bending the metal tube 18, so that the follow-up shaping is needed, the accuracy of the bending angle is low, the qualification rate of products is affected, the metal tube 18 is placed on the material guiding table 19, the first screw rod 21 is driven to rotate through the operation of the first stepping motor 22, the first screw rod 21 drives the first sliding block 23 to horizontally move, the first sliding block 23 drives the pushing block 24 to horizontally move, the pushing block 24 pushes the metal tube 18 to horizontally move, the metal tube 18 is moved between the first positioning wheel 16 and the second positioning wheel 17 and between the fixed wheel 3 and the bending wheel 6, and the accurate feeding of the metal tube 18 is realized; through the operation of the hydraulic cylinder 11, the hydraulic rod 12 pushes the connecting block 13 to move horizontally, the connecting block 13 drives the rack 9 to move horizontally, the rack 9 pushes the semicircular gear 7 to rotate 180 degrees, the semicircular gear 7 drives the rotating rod 4 to rotate 180 degrees, the rotating rod 4 drives the connecting rod 5 to rotate 180 degrees, the connecting rod 5 drives the bending wheel 6 to rotate 180 degrees, namely the bending wheel 6 revolves 180 degrees around the fixed wheel 3, the precise bending of the metal tube 18 is realized, the metal tube 18 is bent for 180 degrees, and the metal tube 18 is bent into a U-shaped structure; the U-shaped metal tube 18 is wound on the fixed wheel 3, then the second stepping motor 27 is operated to drive the second screw rod 26 to rotate, the second screw rod 26 drives the second sliding block 28 on the second screw rod 26 to move, the second sliding block 28 drives the clamping block 30 on the fixed wheel 3 to horizontally move, the U-shaped metal tube 18 is taken out from the fixed wheel 3, and the quick blanking of the U-shaped metal tube 18 is realized; the structure controls the bending angle through the semicircular gear 7, so that the metal tube 18 is accurately bent, the accuracy of the bending angle is improved, and the qualification rate of products is improved.

According to the working principle, in the existing handrail bending machine, the bending angle is not easy to control in the process of bending the metal tube 18, so that the follow-up shaping is needed, the accuracy of the bending angle is low, the qualification rate of products is affected, the metal tube 18 is placed on the material guiding table 19, the first screw rod 21 is driven to rotate through the operation of the first stepping motor 22, the first screw rod 21 drives the first sliding block 23 to horizontally move, the first sliding block 23 drives the pushing block 24 to horizontally move, the pushing block 24 pushes the metal tube 18 to horizontally move, the metal tube 18 is enabled to move between the first positioning wheel 16 and the second positioning wheel 17 and between the fixed wheel 3 and the bending wheel 6, and the accurate feeding of the metal tube 18 is achieved; through the operation of the hydraulic cylinder 11, the hydraulic rod 12 pushes the connecting block 13 to move horizontally, the connecting block 13 drives the rack 9 to move horizontally, the rack 9 pushes the semicircular gear 7 to rotate 180 degrees, the semicircular gear 7 drives the rotating rod 4 to rotate 180 degrees, the rotating rod 4 drives the connecting rod 5 to rotate 180 degrees, the connecting rod 5 drives the bending wheel 6 to rotate 180 degrees, namely the bending wheel 6 revolves 180 degrees around the fixed wheel 3, the precise bending of the metal tube 18 is realized, the metal tube 18 is bent for 180 degrees, and the metal tube 18 is bent into a U-shaped structure; the U-shaped metal tube 18 is wound on the fixed wheel 3, then the second stepping motor 27 is operated to drive the second screw rod 26 to rotate, the second screw rod 26 drives the second sliding block 28 on the second screw rod 26 to move, the second sliding block 28 drives the clamping block 30 on the fixed wheel 3 to horizontally move, the U-shaped metal tube 18 is taken out from the fixed wheel 3, and the quick blanking of the U-shaped metal tube 18 is realized; the structure controls the bending angle through the semicircular gear 7, so that the metal tube 18 is accurately bent, the accuracy of the bending angle is improved, and the qualification rate of products is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The running machine armrest bending machine is characterized by comprising a foot rest (1), a fixed plate (2) is arranged on the foot rest (1), a fixed wheel (3) is welded on the fixed plate (2), a rotating rod (4) penetrates through the center of the fixed wheel (3), the rotating rod (4) is rotationally connected with the fixed wheel (3) through a bearing, a connecting rod (5) is welded on the top side of the rotating rod (4), the other end of the connecting rod (5) is rotationally connected with a bending wheel (6) through a pin, the rotating rod (4) penetrates through the fixed plate (2) and is fixedly sleeved with a semicircular gear (7) at the bottom end, a limiting block (8) is welded on the semicircular gear (7), a rack (9) is slidably connected with the bottom side of the fixed plate (2), a mounting block (10) is welded on the bottom side of the fixed plate (2), a hydraulic cylinder (11) is arranged on the mounting block (10), a hydraulic rod (12) is connected with the top side of the rotating rod, a semicircular gear (7) is fixedly connected with a connecting groove (14) and is formed in the bottom side of the fixed plate (2), the connecting strip (15) is fixedly connected with the rack (9).

2. A treadmill handrail bender according to claim 1, wherein: the fixing plate (2) is welded with a first positioning wheel (16) and a second positioning wheel (17), and a metal tube (18) is placed between the first positioning wheel (16) and the second positioning wheel (17).

3. A treadmill handrail bender according to claim 1, wherein: install material loading subassembly on fixed plate (2), material loading subassembly includes guide platform (19), guide platform (19) welding is on fixed plate (2), first spout (20) have been seted up on fixed plate (2), install first lead screw (21) through the bearing rotation between first spout (20) inner wall, install first step motor (22) through the frame on fixed plate (2) lateral wall, the output shaft and the first lead screw (21) fixed connection of first step motor (22).

4. A treadmill handrail bender according to claim 3, wherein: the first sliding groove (20) is internally provided with a first sliding block (23), the first sliding block (23) is sleeved on the periphery of the first screw rod (21) and slides in a matched manner with the first screw rod (21) through threads, the top side of the first sliding block (23) is welded with a pushing block (24), and the pushing block (24) is positioned in the material guiding table (19).

5. A treadmill handrail bender according to claim 1, wherein: install unloading subassembly on fixed plate (2), unloading subassembly includes second spout (25), second spout (25) are seted up on fixed plate (2), install second lead screw (26) through the bearing rotation between second spout (25) inner wall, install second step motor (27) through the frame on fixed plate (2) lateral wall, the output shaft and the second lead screw (26) fixed connection of second step motor (27).

6. The treadmill handrail bending machine of claim 5, wherein: the second sliding groove (25) is internally provided with a second sliding block (28), the second sliding block (28) is sleeved on the periphery of the second screw rod (26) and slides in a matched manner with the second screw rod (26) through threads, the fixed wheel (3) is provided with a clamping groove (29), a clamping block (30) is clamped in the clamping groove (29), and the bottom side of the clamping block (30) is fixedly connected with the second sliding block (28).