Chain processing and forming device

Abstract

The utility model discloses a chain machining forming device which comprises a workbench, a supporting frame arranged at the top of the workbench, a pressing piece arranged at the top of the supporting frame and a fixing piece arranged at the top of the workbench, the fixing piece comprises a movable plate and a positioning plate, a rack is fixedly connected to the front face of the movable plate, and one end of the rack is connected to the back face of the positioning plate in a penetrating mode. A rotating part is arranged on the front face of the positioning plate and comprises a worm and a worm gear meshed with the side of the worm, and a rotating shaft is connected to the middle of the worm gear in a penetrating mode; the fixing piece is arranged at the top of the workbench, a user drives the worm gear to rotate by rotating the worm, the worm gear drives the rotating wheels at the two ends of the rotating shaft to rotate, the rotating wheels drive the movable plate to move towards the positioning plate through the meshed racks, and therefore chain links are fixed. By means of the mode, a user can conveniently adjust the opening degree of the fixing piece according to the size of the chain, and therefore pins of chain links of different sizes can be pressed.

Description

Technical Field

[0001] The utility model relates to the technical field of chain production, in particular to a chain processing and forming device. Background Art

[0002] In the field of mechanical processing, there are many types of chains, among which roller chains are mainly used to transmit power and are suitable for various types of chain transmission systems. In the process of chain processing and forming, after the fixing holes of the outer chain plate and the inner chain plate are aligned, a pressure plate is needed to insert and fix the connecting pin shaft, and the chain links of the chain need to be clamped by a fixing fixture. The existing fixture generally uses screws to tighten and fix the clamps. When the user changes the size of the processed chain, the fixture is limited by size and cannot fix the chain links. The chain of the corresponding size needs to be replaced. In order to solve the problem of replacing the chain link fixture, a new type of chain processing and forming device is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a chain processing and forming device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chain processing and forming device, comprising a workbench, a support frame is arranged on the top of the workbench, a pressing piece is arranged on the top of the support frame, a fixing piece for clamping the chain is arranged on the top of the workbench, the fixing piece comprises a movable plate and a positioning plate, a rack is fixedly connected to the front side of the movable plate, one end of the rack is inserted and connected to the back side of the positioning plate, a rotating wheel is meshed with the top of the rack, a rotating part is arranged on the front side of the positioning plate, the rotating part comprises a worm and a worm wheel meshed with the side of the worm, and a rotating shaft for driving the rotating wheel is inserted and connected to the middle of the worm wheel.

[0005] Preferably, one end of the worm is inserted and connected to the front side of the positioning plate, a rotation groove is provided at the insertion point of the positioning plate and the worm, the worm wheel is arranged inside the rotation groove, and a hand wheel is provided at the other end of the worm.

[0006] Preferably, a closed sleeve is sleeved on the outer side of the worm and on the side of the worm wheel close to the handwheel, and the outer side of the closed sleeve is fixedly connected to the inner wall of the rotating groove.

[0007] Preferably, the side of the rotating groove is symmetrically provided with connecting grooves for the insertion of the rotating shaft, the side of the connecting groove is provided with a movable groove for the insertion of the rack, one end of the rack is inserted and connected with a limiting rod, the bottom of the limiting rod is fixedly connected to the inner wall of the movable groove, and the side of the rotating wheel is fixedly connected to the end of the rotating shaft.

[0008] Preferably, bearings are symmetrically sleeved on the outside of the rotating shaft and inside the connecting groove, and the rotating wheel is arranged inside the movable groove.

[0009] Preferably, the pressing member comprises a cylinder, the cylinder is arranged on the top of the support frame, the output end of the cylinder is fixedly connected with a pressing plate, and the pressing plate is sleeved on the outer side of the support frame.

[0010] Technical effects and advantages of the utility model:

[0011] The utility model provides a fixing piece with adjustable clamping width on the top of the workbench. The user drives the worm wheel to rotate by rotating the worm, and the rotating worm wheel drives the rotating wheels at both ends of the rotating shaft to rotate. The rotating wheels drive the moving plate to move toward the positioning plate through the meshing racks, so as to fix the chain links. Compared with bolt-fixed clamping plates, this method is convenient for users to adjust the opening degree of the fixing piece according to the size of the chain, so as to press the pins of chain links of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a partial top-sectional view of the fixing member of the utility model.

[0014] Figure 3 It is a side sectional view of the fixing member of the utility model.

[0015] In the figure: 1. workbench; 2. support frame; 3. cylinder; 4. pressure plate; 5. fixing part; 501. moving plate; 502. positioning plate; 5021. rotating groove; 5022. connecting groove; 5023. moving groove; 503. bearing; 504. worm; 505. closing sleeve; 506. worm wheel; 507. rotating shaft; 508. rotating wheel; 509. rack; 510. limiting rod; 6. handwheel. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] The utility model provides Figure 1-3 A chain processing and forming device shown includes a workbench 1, a support frame 2 is arranged on the top of the workbench 1, and a pressing member is arranged on the top of the support frame 2;

[0018] Specifically, the pressing member includes a cylinder 3, which is arranged on the top of the support frame 2, and the output end of the cylinder 3 is fixedly connected with a pressing plate 4, which is sleeved on the outer side of the support frame 2;

[0019] It should be noted that the support frame 2 is welded on the top of the workbench 1, and the pressure plate 4 is pushed down and fixed by the cylinder 3 to complete the chain forming.

[0020] A fixing member 5 for clamping the chain is provided on the top of the workbench 1;

[0021] Specifically, the fixing member 5 includes a moving plate 501 and a positioning plate 502. A rack 509 is fixedly connected to the front of the moving plate 501. One end of the rack 509 is inserted and connected to the back of the positioning plate 502. A rotating wheel 508 is meshed on the top of the rack 509.

[0022] It should be noted that the moving plate 501 and the rack 509 are fixed by welding, and the moving plate 501 is not fixedly connected to the workbench 1. The moving plate 501 can slide on the top of the workbench 1 through the rack 509 to fix the chain link.

[0023] A rotating portion is provided on the front side of the positioning plate 502;

[0024] Specifically, the rotating part includes a worm 504 and a worm wheel 506 meshing with the side of the worm 504, a rotating shaft 507 for driving a rotating wheel 508 is inserted through the middle of the worm wheel 506, a hand wheel 6 is provided at the other end of the worm 504, and the side of the rotating wheel 508 is fixedly connected to the end of the rotating shaft 507.

[0025] It should be noted that one end of the worm 504 is inserted and connected to the front side of the positioning plate 502, and a rotation groove 5021 is provided at the insertion of the positioning plate 502 and the worm 504, and a connecting groove 5022 for the rotation shaft 507 to be inserted is symmetrically provided on the side of the rotating groove 5021, and a moving groove 5023 for the rack 509 to be inserted is provided on the side of the connecting groove 5022;

[0026] It should be noted that the worm wheel 506 is arranged inside the rotating groove 5021, and a closed sleeve 505 is sleeved on the outside of the worm 504 and on the side of the worm wheel 506 close to the hand wheel 6. The outside of the closed sleeve 505 is fixedly connected to the inner wall of the rotating groove 5021, and a cylindrical groove for the worm 504 to penetrate is opened on the top inner wall of the rotating groove 5021. The bottom cross-sectional radius of the worm 504 is smaller than the top cross-sectional radius. The closed sleeve 505 and the cylindrical groove jointly limit the position of the worm 504, and the rotating wheel 508 is arranged inside the movable groove 5023;

[0027] One end of the rack 509 is inserted and connected with a limit rod 510, and the bottom of the limit rod 510 is fixedly connected to the inner wall of the moving groove 5023. A bearing 503 is symmetrically sleeved on the outer side of the rotating shaft 507 and inside the connecting groove 5022;

[0028] It should be noted that a rectangular groove for the limiting rod 510 to be inserted is provided at one end of the rack 509. The limiting rod 510 is in the shape of a rectangular strip with a rectangular hole provided on its side. The top of the rectangular hole is used to insert the rectangular groove, and the bottom is used to support the rack 509. The inner wall of the bearing 503 and the inner wall of the connecting groove 5022 are fixed by welding. The bearing 503 is used to limit the position of the rotating shaft 507, thereby controlling the positions of the worm wheel 506 and the worm 504. The connection between the worm 504 and the worm wheel 506 is provided with a thread, and the rest of the parts are smooth curved surfaces.

[0029] In actual use, a fixing part 5 with an adjustable clamping width is provided on the top of the workbench 1. The user rotates the worm 504 through the handwheel 6 to drive the worm wheel 506 to rotate. The rotating worm wheel 506 drives the rotating wheels 508 at both ends of the rotating shaft 507 to rotate. The rotating wheel 508 drives the movable plate 501 to move toward the positioning plate 502 through the meshing rack 509, thereby fixing the chain link. Compared with bolt-fixing the splint, this method is convenient for the user to adjust the opening degree of the fixing part 5 according to the size of the chain, thereby pressing the pins of chain links of different sizes.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A chain processing and forming device, comprising a workbench (1), wherein a support frame (2) is arranged on the top of the workbench (1), characterized in that: A pressing piece is arranged on the top of the support frame (2), and a fixing piece (5) for clamping the chain is arranged on the top of the workbench (1), wherein the fixing piece (5) comprises a movable plate (501) and a positioning plate (502), a rack (509) is fixedly connected to the front of the movable plate (501), one end of the rack (509) is inserted and connected to the back of the positioning plate (502), a rotating wheel (508) is meshed at the top of the rack (509), and a rotating part is arranged on the front of the positioning plate (502), wherein the rotating part comprises a worm (504) and a worm wheel (506) meshed on the side of the worm (504), and a rotating shaft (507) for driving the rotating wheel (508) is inserted and connected in the middle of the worm wheel (506).

2. A chain processing and forming device according to claim 1, characterized in that: One end of the worm (504) is inserted and connected to the front side of the positioning plate (502), a rotation groove (5021) is provided at the insertion point between the positioning plate (502) and the worm (504), the worm wheel (506) is arranged inside the rotation groove (5021), and the other end of the worm (504) is provided with a hand wheel (6).

3. A chain processing and forming device according to claim 2, characterized in that: A closed sleeve (505) is sleeved on the outer side of the worm (504) and located on the side of the worm wheel (506) close to the hand wheel (6), and the outer side of the closed sleeve (505) is fixedly connected to the inner wall of the rotating groove (5021).

4. A chain processing and forming device according to claim 3, characterized in that: The side of the rotating groove (5021) is symmetrically provided with a connecting groove (5022) for the rotating shaft (507) to be inserted, and the side of the connecting groove (5022) is provided with a moving groove (5023) for the rack (509) to be inserted, one end of the rack (509) is inserted and connected with a limiting rod (510), the bottom of the limiting rod (510) is fixedly connected to the inner wall of the moving groove (5023), and the side of the rotating wheel (508) is fixedly connected to the end of the rotating shaft (507).

5. A chain processing and forming device according to claim 4, characterized in that: A bearing (503) is symmetrically sleeved on the outside of the rotating shaft (507) and inside the connecting groove (5022), and the rotating wheel (508) is arranged inside the moving groove (5023).

6. A chain processing and forming device according to claim 1, characterized in that: The pressing member comprises a cylinder (3), wherein the cylinder (3) is arranged on the top of the support frame (2), and the output end of the cylinder (3) is fixedly connected to a pressing plate (4), and the pressing plate (4) is sleeved on the outer side of the support frame (2).

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