Carcass cord cutting interpolation type knife-avoiding material supporting floating rod mechanism

Abstract

The present invention discloses a carcass cord cutting interpolation type knife-avoiding material-supporting floating rod mechanism, comprising a multi-section material-supporting floating assembly arranged on a bracket in sequence on one side of the cutting edge of the cutting knife, each material-supporting floating assembly comprising a floating rod arranged on a front and rear guide rod, each guide rod being installed through an upper and lower linear bearing arranged on the bracket, an adjusting screw rod which presses against the bottom of the floating rod under the action of a return spring and restores each section of the floating rod upward to the same horizontal position; a linkage block of multiple sections of floating rods in series is arranged between adjacent guide rods, each linkage block is installed at the front end bottom of the rear floating rod and extends forward to the rear end below the front floating rod, an adjusting screw for adjusting the contact distance between the front floating rod and the linkage block is arranged on the extended end of each linkage block, and the contact distance between each front floating rod and the corresponding linkage block is equal. The present invention avoids the phenomenon of material extrusion and ensures the cutting quality and stability.

Description

Technical Field

[0001] The invention relates to tire carcass cord cutting production line equipment, in particular to a carcass cord cutting interpolation type knife-avoiding material-supporting floating rod mechanism. Background Art

[0002] Advanced carcass cord cutting production lines at home and abroad all adopt the pre-splicing working method, and the technical feature of its structure is that a lifting material receiving platform is set on the cutting conveyor belt.

[0003] In order to ensure the stability of cutting quality, it is often necessary to lift the material receiving table as high as possible to the cutting surface, and a segmented spring automatic reset supporting floating rod is provided on the side close to the cutting edge. Each section of the floating rod will passively avoid the cutter after the cutter applies pressure. Since there is carcass cord between the cutter and the floating rod, and the pressure applied by the cutter needs to be transmitted to the floating rod through the carcass cord, there will be material extrusion between the floating rod and the carcass cord during the cutting process, which may deflect the carcass cord and affect the cutting quality of the carcass cord. Summary of the invention

[0004] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to propose a carcass cord cutting interpolation type knife-avoiding material-supporting floating rod mechanism which ensures the cutting quality and stability of the carcass cord.

[0005] The carcass cord cutting interpolation type knife-avoiding material-supporting floating rod mechanism capable of solving the above technical problems comprises a multi-stage material-supporting floating assembly arranged on a bracket from front to back on one side of the cutting edge of the cutting knife, the difference being that:

[0006] 1. Each section of the material support floating assembly includes a floating rod horizontally arranged on the front and rear guide rods. Each guide rod is vertically installed through the upper and lower linear bearings arranged at the corresponding position of the bracket. The bracket between the front and rear guide rods is provided with an adjusting screw that presses against the bottom of the corresponding floating rod under the action of a return spring to restore each section of the floating rod to the same horizontal position.

[0007] 2. A linkage block with multiple floating rods in series is provided between adjacent guide rods. Each linkage block is installed at the bottom of the front end of the rear floating rod and extends forward to the bottom of the rear end of the front floating rod. An adjusting screw for adjusting the contact distance between the front floating rod and the linkage block is provided on the extended end of each linkage block. The contact distance between each front floating rod and the corresponding linkage block is equal.

[0008] In the above structure, a linkage block is used to connect multiple sections of floating rods in series. When the cutter presses the first section of the floating rod to move downward to the corresponding linkage block, the first section of the floating rod transmits the pressure of the cutter to the second section of the floating rod through the linkage block to make it move downward, and so on, driving multiple sections of the floating rod to move downward, thereby achieving the downward movement of the remaining floating rods except the first section without direct contact with the pressure of the cutter, thereby avoiding material squeezing during the cutting process of the carcass cord; when the cutter moves upward after completing the cutting action, each section of the floating rod automatically resets upward under the action of the corresponding return spring.

[0009] Beneficial effects of the present invention:

[0010] The carcass cord cutting interpolation knife avoidance material supporting floating rod mechanism of the present invention realizes interpolation knife avoidance by connecting multiple sections of floating rods in series through a linkage block, thereby avoiding material squeezing during the cutting process, ensuring the cutting stability of the carcass cord and improving the cutting quality of the carcass cord. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of an implementation mode of the present invention.

[0012] Figure 2 for Figure 1 Schematic diagram of working status of implementation method.

[0013] Figure 3 for Figure 2 Enlarged view of point A in .

[0014] Figure 4 for Figure 1 Schematic diagram of the state of the implementation method after cutting is completed.

[0015] Figure number identification: 1. Bracket; 2. Guide rod; 3. Floating rod; 4. Linear bearing; 5. Adjusting screw; 6. Linkage block; 7. Cutter; 8. Return spring; 9. Adjusting screw; 10. Carcass cord. DETAILED DESCRIPTION

[0016] The technical solution of the present invention is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0017] The carcass cord cutting interpolation type knife-avoiding material-supporting floating rod mechanism of the present invention comprises five sections of material-supporting floating components arranged on a bracket 1 in sequence from front to back on the front side of the blade of a cutting knife 7 (the front end is low and the rear end is high). The position of the first section of the material-supporting floating component at the front end corresponds to the front low end position of the cutting knife 7, and the position of the fifth section of the material-supporting floating component at the rear end corresponds to the rear high end position of the cutting knife 7. Figure 1 , Figure 4 shown.

[0018] Each section of the support floating assembly includes a floating rod 3, a guide rod 2 and an adjusting screw 5. The front and rear floating rods are installed on the guide rods 2 at the front and rear positions. Each guide rod 2 is vertically installed through the linear bearings 4 at the upper and lower positions arranged at the corresponding positions of the bracket 1. The adjusting screw 5 is arranged on the bracket 1 between the front and rear guide rods 2. Specifically: the adjusting screw 5 is passed from top to bottom between the upper and lower beams of the bracket 1. A locking nut assembly I is screwed on the adjusting screw 5 below the lower crossbeam of the bracket 1. The adjustment between the upper and lower crossbeams A locking nut assembly II is screwed on the screw rod 5, and a return spring 8 is pre-tightened on the adjusting screw rod 5 between the locking nut assembly II and the lower cross beam. The return spring 8 presses the adjusting screw rod 5 above the upper cross beam upward to the bottom of the floating rod 3 to support the floating rod 3 at a certain height below the cutter 7. By adjusting the screw rod 5, the locking nut assembly I and the locking nut assembly II, the floating rod 3 of each section of the supporting floating assembly can be supported at the same horizontal height, thereby forming five sections of floating rods 3 connected end to end. Figure 1 shown.

[0019] A linkage block 6 for connecting five sections of floating rods 3 in series is provided between adjacent guide rods 2. Taking the first section of floating rod 3 and the second section of floating rod 3 as an example, the linkage block 6 is installed at the bottom of the front end of the second section of floating rod 3, and the front end of the linkage block 6 extends forward below the rear end of the first section of floating rod 3. An adjusting screw 9 is screwed upward at the front end of the linkage block 6. The height of the adjusting screw 9 screwed out of the front end of the linkage block 6 determines the distance by which the first section of floating rod 3 is pressed down by the cutter 7. By adjusting the adjusting screws 9, the distance (interpolation value) by which each section of floating rod 3 is pressed down by the cutter 7 can be adjusted to be consistent, such as Figure 1 , Figure 2 , Figure 3 shown.

[0020] The operation steps of the present invention are:

[0021] 1. The floating rods 3 arranged in a line are in the initial state of flattening the carcass cord 10. Figure 1 shown.

[0022] 2. When the cutter 7 starts to move downward until it contacts the first floating rod 3, the cutter 7 will force the first floating rod 3 to move downward. The first floating rod 3 will touch the linkage block 6 installed on the second floating rod 3 during the downward movement. As a result, the first floating rod 3 and the second floating rod 3 are forced to move downward under the action of the cutter 7. Similarly, the cutter 7 forces the third floating rod 3, the fourth floating rod 3 and the fifth floating rod 3 to move downward in turn. Except for the first floating rod 3, the remaining four floating rods 3 can move downward in advance without contacting the cutter 7 and the carcass cord 10 to achieve interpolation and avoidance. The position of the cutter 7 when it moves to the lower limit is as follows: Figure 2 shown.

[0023] 3. After the carcass cord 10 is cut, the cutter 7 starts to move upward from the lower limit position. During this process, each section of the floating rod 3 automatically rebounds to its original position under the action of the corresponding return spring 8. The position of the cutter 7 when it returns to the upper limit position is as follows: Figure 4 shown.

Claims

1. A carcass cord cutting interpolation type knife-avoiding material-supporting floating rod mechanism, comprising a plurality of sections of material-supporting floating components arranged on a bracket (1) from front to back on one side of a cutting knife (7), characterized in that: Each section of the material support floating assembly comprises a floating rod (3) horizontally arranged on the front and rear guide rods (2), each guide rod (2) is vertically installed through the upper and lower linear bearings (4) arranged at the corresponding position of the bracket (1), and the bracket (1) between the front and rear guide rods (2) is provided with an adjusting screw (5) which presses against the bottom of the corresponding floating rod (3) under the action of a return spring (8) to return each section of the floating rod (3) to the same horizontal position upward; a linkage block (6) for connecting multiple sections of floating rods (3) in series is provided between adjacent guide rods (2), each linkage block (6) is installed at the bottom of the front end of the rear floating rod (3) and extends forward to the bottom of the rear end of the front floating rod (3), and an adjusting screw (9) for adjusting the contact distance between the front floating rod (3) and the linkage block (6) is provided on the extended end of each linkage block (6), and the contact distance between each front floating rod (3) and the corresponding linkage block (6) is equal.

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