Tire cord fabric cutting mechanism

Abstract

The utility model relates to the technical field of cutting mechanisms, and discloses a tire cord fabric cutting mechanism which comprises a device body, a machine frame is arranged on the device body, a hydraulic telescopic rod is arranged at the top of the machine frame, an action output shaft of the hydraulic telescopic rod penetrates through the machine frame to be connected with a mounting plate, and a cutting knife is arranged at the bottom of the mounting plate. Four connecting rods are arranged on the mounting plate, sliding rods are slidably mounted on the connecting rods, the same pressing plate is mounted at the bottoms of every two sliding rods with the farthest distance, when the hydraulic telescopic rod drives the cutting knife to vertically descend to cut the tire cord fabric, the pressing plates can make contact with the tire cord fabric firstly, and the tire cord fabric is cut through continuous descending of the mounting plate. And a connecting rod can continuously slide along a sliding rod and extrude a reset spring, so that a pressing plate can press and fix the tire cord fabric, and the tire cord fabric is prevented from being bent.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting mechanism technical field, concretely is a kind of tire cord cutting mechanism. BACKGROUND

[0002] Chinese patent document CN215970215U discloses a kind of tire cord cutting feed device, including support frame, adjustable angle cutter fixing frame is arranged between support frame, cutter fixing frame is provided with pneumatic cylinder, pneumatic cylinder drives cutter to move along cutter fixing frame.The support frame includes left support frame and right support frame, adjustable screw rod is arranged between left support frame and right support frame, for adjusting the width between left and right support frame;The left and right ends of adjustable screw rod are respectively connected with left support frame and right support frame by screw thread, and rotating handle is arranged in middle part.The one end of cutter fixing frame is connected with left support frame by rotating bolt, and the other end of cutter fixing frame is provided with sliding rail with right support frame, cutter fixing frame and right support frame are fixed in certain position by sliding bolt.

[0003] The above cutting device has the following problems: cutting tire cord by this way, tire cord is not supported or tensioned when being cut, which can cause bending of tire cord due to the pushing force of cutter, resulting in cutting without cutting along the cord of tire cord. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of tire cord cutting mechanism, to solve the above technical problems.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a tire fabric cutting mechanism, including device main part, device main part is provided with frame, the top of frame is provided with hydraulic telescopic link, the action output shaft of hydraulic telescopic link is connected with mounting plate and penetrates frame, the bottom of mounting plate is provided with cutting knife, be provided with four connecting rods on mounting plate, the bottom of every two farthest slide rod is equipped with same pressing plate and is installed with slide rod on connecting rod, the sleeve of slide rod has return spring, one end of return spring abuts on pressing plate, the other end of return spring abuts on connecting rod, the two symmetrical transmission cavities of device main part are set up, the center position of transmission cavity is rotatably installed with transmission gear, two L-shaped transmission blocks are slidably installed in transmission cavity, the tooth slot of transmission gear is set up in two L-shaped transmission blocks all, the same connecting frame is connected between every two farthest L-shaped transmission blocks, and the conveying roller is rotatably installed on the connecting frame, the mounting frame is arranged on device main body, the threaded rod is screwly connected on mounting frame, one end of threaded rod is rotatably installed on one connecting frame, and the other end of threaded rod is installed with rotary table.

[0008] Preferably, the bottom of the threaded rod is provided with a limit rotating block, and the top of the connecting frame connected with the threaded rod is provided with a fixed block.

[0009] Preferably, the device main body is provided with a groove, and the groove is arranged directly below the cutting knife.

[0010] Preferably, the inner wall of the two transmission cavities close to each other is provided with a rectangular through hole, and the L-shaped transmission block is connected with the connecting frame through the rectangular through hole.

[0011] Preferably, the mounting frame is provided with a threaded hole, and the threaded hole is matched with the threaded rod.

[0012] Preferably, the surface of the pressing plate is coated with an anti-skid rubber pad.

[0013] Preferably, the connecting rod is provided with a sliding hole, and the slide rod is slidably arranged in the sliding hole of the connecting rod.

[0014] Compared with the prior art, the utility model provides a tire fabric cutting mechanism, which has the following advantages

[0015] Beneficial effects:

[0016] 1. The utility model discloses a hydraulic telescopic link, mounting plate, cutting knife and the mutual cooperation of pressing plate and other structure's cooperation, thereby can when the hydraulic telescopic link drives cutting knife to descend perpendicularly to cut tire fabric, make pressing plate first with tire fabric contact, and through the sustained decline of mounting plate, can make connecting rod continue to slide along the slide rod and extrude reset spring, thereby make pressing plate can press tightly tire fabric, prevent tire fabric from bending, and through the mutual cooperation of threaded rod, L-shaped transmission block, transmission gear and conveying roller, thereby can according to the thickness of tire fabric rotate threaded rod and make one connecting frame drive conveying roller descend perpendicularly, make L-shaped transmission block drive transmission gear rotation, and then drive another L-shaped transmission block in same transmission cavity to move, and then realize the purpose that two conveying rollers are close to each other and clamp tire fabric, provide certain restriction to the moving direction of tire fabric. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main body structure schematic diagram of the utility model;

[0018] Figure 2 It is the side view sectional structure schematic diagram of conveying roller, mounting plate and cutting knife and other structure of the utility model;

[0019] Figure 3 It is the side view sectional structure schematic diagram of L-shaped transmission block and transmission gear and other structure of the utility model;

[0020] Figure 4 It is the sectional structure schematic diagram of L-shaped transmission block, transmission gear and conveying roller and other structure of the utility model.

[0021] Among them: 1, device main body, 2, rack, 3, hydraulic telescopic link, 4, connecting rod, 5, slide rod, 6, pressing plate, 7, mounting frame, 8, threaded rod, 9, rotary table, 10, connecting frame, 11, conveying roller, 12, mounting plate, 13, cutting knife, 14, fixed block, 15, limit rotating block, 16, recess, 17, reset spring, 18, L-shaped transmission block, 19, transmission gear, 20, transmission cavity, 21, rectangular through-hole. DETAILED DESCRIPTION

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicative or suggestive of relative importance.

[0024] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-4 A tire cord cutting mechanism, including device main body 1, device main body 1 is provided with rack 2, the top of rack 2 is provided with hydraulic telescopic rod 3, the action output shaft of hydraulic telescopic rod 3 penetrates rack 2 and is connected with mounting plate 12, the bottom of mounting plate 12 is provided with cutting knife 13, mounting plate 12 is provided with four connecting rods 4, connecting rod 4 is slidably installed with slide rod 5, the bottom of every two farthest slide rods 5 is installed with the same pressing plate 6, slide rod 5 is sleeved with reset spring 17, one end of reset spring 17 abuts on pressing plate 6, the other end of reset spring 17 abuts on connecting rod 4, two mutually symmetrical transmission cavities 20 are formed in device main body 1, transmission gear 19 is rotatably installed at the center position of transmission cavity 20, two L-shaped transmission blocks 18 are slidably installed in transmission cavity 20, tooth groove that is engaged with transmission gear 19 is formed in the two L-shaped transmission blocks 18, the same connecting frame 10 is connected between every two farthest L-shaped transmission blocks 18, conveying roller 11 is rotatably installed on connecting frame 10, mounting frame 7 is arranged on device main body 1, threaded rod 8 is screw-connected on mounting frame 7, one end of threaded rod 8 is rotatably installed on one of connecting frame 10, the other end of threaded rod 8 is installed with turntable 9.

[0026] Through the cooperation of the hydraulic telescopic rod 3, the mounting plate 12, the cutting knife 13, the pressing plate 6 and other structures, when the cutting knife 13 is vertically lowered to cut the tire cord under the driving of the hydraulic telescopic rod 3, the pressing plate 6 can first contact the tire cord, and through the continuous lowering of the mounting plate 12, the connecting rod 4 can continue to slide along the slide rod 5 and press the return spring 17, so that the pressing plate 6 can press and fix the tire cord, preventing the tire cord from being bent, and through the cooperation of the threaded rod 8, the L-shaped transmission block 18, the transmission gear 19 and the conveying roller 11, the threaded rod 8 can be rotated according to the thickness of the tire cord to make one of the connecting frames 10 drive the conveying roller 11 to vertically descend, the L-shaped transmission block 18 drives the transmission gear 19 to rotate, and then drives the other L-shaped transmission block 18 in the same transmission cavity 20 to move, thereby realizing the purpose of the two conveying rollers 11 approaching each other and clamping the tire cord, and providing certain limitation to the moving direction of the tire cord.

[0027] Specifically, in the embodiment, the bottom of the threaded rod 8 is provided with a limiting rotation block 15, and the top of the connecting frame 10 connected with the threaded rod 8 is provided with a fixed block 14. The limiting rotation block 15 is rotationally installed in the fixed block 14.

[0028] Through the cooperation of the limiting rotation block 15 and the fixed block 14 and other structures, the mutual limitation between the threaded rod 8 and the connecting frame 10 can be realized.

[0029] Specifically, in the embodiment, a recess 16 is formed in the device main body 1, and the recess 16 is formed directly below the cutting knife 13.

[0030] Specifically, in the embodiment, a rectangular through hole 21 is formed in the inner wall of one side of the two transmission cavities 20 close to each other, and the L-shaped transmission block 18 is connected with the connecting frame 10 through the rectangular through hole 21. The movement direction of the L-shaped transmission block 18 can be limited through the rectangular through hole 21, and the movement range thereof can also be limited.

[0031] Specifically, in the embodiment, a threaded hole is formed in the mounting bracket 7, and the threaded hole is matched with the threaded rod 8.

[0032] Specifically, in the embodiment, the surface of the pressing plate 6 is covered with an anti-skid rubber pad, which can improve the friction between the pressing plate 6 and the tire cord and prevent slipping.

[0033] Specifically, in the embodiment, a sliding hole is formed in the connecting rod 4, and the slide rod 5 is slidingly arranged in the sliding hole of the connecting rod 4.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tire cord cutting mechanism comprising a device body, characterized by: The device body is provided with a rack, the top of the rack is provided with a hydraulic telescopic rod, the action output shaft of the hydraulic telescopic rod is connected with a mounting plate penetrating through the rack, the bottom of the mounting plate is provided with a cutting knife, the mounting plate is provided with four connecting rods, the connecting rods are slidably provided with slide rods, the bottom of every two farthest slide rods is provided with the same pressing plate, the slide rods are sleeved with return springs, one end of the return springs abuts against the pressing plate, the other end of the return springs abuts against the connecting rods, two mutually symmetrical transmission cavities are formed in the device body, a transmission gear is rotatably installed at the center position of the transmission cavities, two L-shaped transmission blocks are slidably installed in the transmission cavities, the L-shaped transmission blocks are all provided with tooth grooves meshing with the transmission gear, the same connecting frame is connected between every two farthest L-shaped transmission blocks, a conveying roller is rotatably installed on the connecting frame, the device body is provided with a mounting frame, a threaded rod is threadedly connected to the mounting frame, one end of the threaded rod is rotatably installed on one of the connecting frames, the other end of the threaded rod is provided with a rotating disc.

2. A tire cord cutting mechanism according to claim 1, wherein: The bottom of the threaded rod is provided with a limiting rotating block, the top of the connecting frame connected with the threaded rod is provided with a fixed block, and the limiting rotating block is rotatably installed in the fixed block.

3. A tire cord cutting mechanism as defined in claim 1 wherein: A recess is formed in the device body and located directly below the cutting knife.

4. A tire cord cutting mechanism as defined in claim 1, wherein: Rectangular through holes are formed in the inner walls of the two transmission cavities close to each other, and the L-shaped transmission blocks are connected with the connecting frame through the rectangular through holes.

5. A tire cord cutting mechanism as defined in claim 1 wherein: Threaded holes are formed in the mounting frame and matched with the threaded rod.

6. A tire cord cutting mechanism as defined in claim 1 wherein: The surface of the pressing plate is covered with a non-slip rubber pad.

7. A tire cord cutting mechanism as defined in claim 1 wherein: Slip holes are formed in the connecting rods, and the slide rods are slidably arranged in the slip holes of the connecting rods.

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