Cone rolling device for four-roller plate rolling machine

Abstract

The utility model belongs to the technical field of plate rolling machines, and particularly relates to a cone rolling device for a four-roller plate rolling machine. The cone rolling device for the four-roller plate rolling machine comprises a lower roller and an upper roller, the lower roller is installed on a lower roller bearing seat, a plate is arranged between the lower roller and the upper roller, and the cone rolling device is characterized in that a cone rolling seat is fixed on the lower roller bearing seat, a catch wheel is installed in the cone rolling seat, a pin shaft is arranged in the center of the catch wheel in a penetrating mode, and the pin shaft is inserted into the lower roller bearing seat. The rolling device has the advantages that the rolling efficiency of the conical cylinder workpiece is effectively improved, damage to the plate edge of the workpiece is reduced, safety is improved, and the rolling device is simple in structure, convenient to install and use and safe and reliable in operation.

Description

Technical Field

[0001] This utility model belongs to the technical field of plate rolling machines, and specifically relates to a tapered device for a four-roll plate rolling machine. Background Technology

[0002] Rolling conical workpieces using a plate rolling machine has always been a challenging operation in the industry. In actual production, four-roll plate rolling machines often require a tapering device to assist in forming the conical shape. Currently, tapering devices for four-roll plate rolling machines are mainly divided into two types: tapering blocks and tapering guide wheels. Among them, tapering blocks cause more damage to the edges of the workpiece than tapering guide wheels, and the tapering blocks themselves also experience greater wear during use. Although tapering guide wheels experience relatively less wear, the existing structural designs often result in problems such as the guide wheel being overturned and the fixing bolts being cut when tapering large workpieces. Summary of the Invention

[0003] To overcome the shortcomings of the prior art, this utility model provides a tapered device for a four-roll plate rolling machine that features high rolling efficiency, safety and reliability, and high rolling precision and quality.

[0004] This utility model is achieved through the following technical solution:

[0005] A tapered device for a four-roll plate rolling machine includes a lower roll and an upper roll. The lower roll is mounted on a lower roll bearing seat, and a plate is provided between the lower roll and the upper roll. The device is characterized in that a tapered seat is fixed on the lower roll bearing seat, a retaining wheel is installed inside the tapered seat, and a pin is inserted through the center of the retaining wheel and inserted into the lower roll bearing seat.

[0006] The upper end of the pin is fixed to the tapered seat by a pressure cap.

[0007] The lower end face of the tapered seat is provided with a step, which is engaged with the end face of the lower roller bearing seat.

[0008] The beneficial effects of this utility model are: it effectively improves the rolling efficiency of the conical workpiece, reduces damage to the edge of the workpiece, increases safety, has a simple structure, is easy to install and use, expands the rolling range of the conical cylinder, and the load-bearing structure of the conical stop wheel makes the operation safe and reliable. Attached Figure Description

[0009] The present invention will be further described below with reference to the accompanying drawings.

[0010] Appendix Figure 1 This is a schematic diagram of the main structure of this utility model;

[0011] Appendix Figure 2 This is a side view of the structure of this utility model;

[0012] Appendix Figure 3 This is a top view of the structure of this utility model;

[0013] Appendix Figure 4 This is a schematic diagram of the installation structure of this utility model;

[0014] Appendix Figure 5 This is a schematic diagram of the usage state of this utility model;

[0015] In the diagram, 1 is the lower roller, 2 is the upper roller, 3 is the lower roller bearing housing, 4 is the plate, 5 is the tapered seat, 6 is the retaining wheel, 7 is the pin, 8 is the pressure cap, and 9 is the step. Detailed Implementation

[0016] The attached figure shows a specific embodiment of this utility model. This embodiment includes a conical seat 5, a retaining wheel 6, a pin 7, and a pressure cap 8. The conical seat 5 is fixedly connected to the lower roller bearing seat 3 with screws. The retaining wheel 6 is installed inside the conical seat 5. The pin 7 passes through the lower center end of the retaining wheel 6 and is inserted into the lower roller bearing seat 3. The pressure cap 8 is fixed to the upper end of the pin 7 on the conical seat 5 with screws. The conical seat 5 is installed in a groove on the upper end face of the lower roller bearing seat 3, using the lower roller bearing seat 3 to offset part of the radial force. A step 9 is machined on the lower end face of the conical seat 5, so that the step 9 is engaged with the right end face of the lower roller bearing seat 3, using the lower roller bearing seat 3 to offset part of the axial force. The lower end face of the pin 7 is inserted into the lower roller bearing seat 3, using the lower roller bearing seat 3 to offset part of the radial force, axial force, and the resulting overturning moment. The retaining wheel 6 rotates around the pin 7. The retaining wheel 6 is hardened, reducing damage to the plate edge during conical rolling.

[0017] The cone-rolling device for the four-roll plate bending machine of this invention is installed on the lower roller bearing seat 3 and rises and falls synchronously with the lower roller 2, adapting to the rolling of cone-shaped workpieces of various thicknesses and diameters. The fan-shaped plate 4 to be rolled into a cone is fed between the upper roller 2 and the lower roller 1 of the four-roll plate bending machine. The plate 4 is moved so that its edge contacts the retaining wheel 6 of the cone-rolling device. The lower roller lifting cylinder rises, clamping the plate 4 between the upper roller 2 and the lower roller 1 of the four-roll plate bending machine. The cone-rolling device rises synchronously, keeping the retaining wheel 6 blocking the edge of the plate. During the rolling of the cone-shaped workpiece, the cone-rolling device remains in contact with the edge of the plate, assisting the four-roll plate bending machine in completing the rolling of the cone-shaped workpiece. After rolling is completed, the lower roller lifting cylinder descends, and the cone-rolling device descends synchronously, allowing the workpiece to be removed.

Claims

1. A four-roll plate bending machine with a bending device, comprising a lower roller (1) and an upper roller (2), the lower roller (1) is installed on a lower roller bearing seat (3), and a plate (4) is arranged between the lower roller (1) and the upper roller (2), characterized in that: The lower roller bearing seat (3) is fixed with a conical seat (5), and a retaining wheel (6) is installed inside the conical seat (5). A pin (7) is inserted through the center of the retaining wheel (6) and inserted into the lower roller bearing seat (3).

2. The tapered device for a four-roll plate bending machine according to claim 1, characterized in that: The upper end of the pin (7) is fixed to the tapered seat (5) by the pressure cap (8).

3. The tapered device for a four-roll plate bending machine according to claim 1, characterized in that: The lower end face of the tapered seat (5) is provided with a step (9), which is engaged with the end face of the lower roller bearing seat (3).

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