Bending die with replaceable insert

Abstract

The utility model provides a bending die with replaceable inserts. The bending die comprises an upper rotating disc and a lower rotating disc which are distributed up and down, a bending pressing wheel is arranged on one side of the lower rotating disc. The upper rotating disc is provided with two sets of bending positioning assemblies, and the two sets of bending positioning assemblies are distributed on the upper rotating disc in a central symmetry mode. The bending positioning assembly comprises an insert, an insert locking piece, a pressing wheel and a pressing wheel locking piece. The insert is locked and fixed on the upper rotating disc by the insert locking piece; a bending positioning forming column is arranged at the bottom of the insert; the pressing wheel sleeves the outer side of the insert in a manner that the position can be adjusted up and down; the pinch roller is locked on the insert by the pinch roller locking piece; the insert of the design can be replaced according to actual needs to adapt to machining of different products, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bending molds, in particular to a bending mold with replaceable inserts. Background Art

[0002] During the molding process of extruded products, they need to be bent by a bending machine. Currently, bending machines use special molds. Different cross-sectional areas require different models of corresponding molds to process products. The cost of molds is high. During the production process, different specifications of products need to be customized and replaced with different molds, resulting in low production efficiency, labor consumption and cost. Utility Model Content

[0003] The purpose of the utility model is to provide a bending die with replaceable inserts to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0005] A bending mold with replaceable inserts comprises an upper rotating disk and a lower rotating disk distributed up and down; a bending pressure wheel is provided on one side of the lower rotating disk; a bending positioning assembly is provided on the upper rotating disk, and two groups of the bending positioning assemblies are arranged and are centrally symmetrically distributed on the upper rotating disk; the bending positioning assembly comprises an insert, an insert locking piece, a pressure wheel and a pressure wheel locking piece; the insert locking piece locks the insert on the upper rotating disk; a bending positioning forming column is provided at the bottom of the insert; the pressure wheel is sleeved on the outside of the insert in an adjustable position up and down; the pressure wheel locking piece locks the pressure wheel on the insert.

[0006] Further description of the present invention, the insert also includes a stud and a limiting protrusion distributed from top to bottom; the outer diameter of the limiting protrusion is larger than the outer diameter of the stud; a positioning hole is provided vertically through the center of the insert; mounting holes are respectively provided at the positions corresponding to the two groups of bending positioning components on the upper rotating disk; the insert locking part includes a limiting rod and a first screw; the limiting rod includes a limiting head and a positioning rod distributed up and down; the limiting head contacts the upper end of the insert; the positioning rod passes through the positioning hole and extends into the mounting hole; a first screw hole is provided at the lower end of the positioning rod; the first screw is installed at the bottom of the mounting hole and connected to the first screw hole to lock the insert on the upper rotating disk.

[0007] Further description of the present invention: the center of the pressure wheel is provided with a second screw hole and a receiving groove distributed up and down; the second screw hole cooperates with the stud; the receiving groove cooperates with the limiting protrusion; a plurality of third screw holes connected to the receiving groove are provided on the side wall of the pressure wheel; the pressure wheel locking piece is a second screw; the second screw is installed in the second screw hole and abuts against the limiting protrusion.

[0008] Further description of the present invention: three third screw holes are provided and are evenly distributed around the circumference.

[0009] The beneficial effects of the utility model are:

[0010] This design uses two sets of inserts of bending positioning components to position the extruded wire products and form the bending R angle. Different inserts can be replaced according to the required bending R angle without replacing the entire set of molds. This design can greatly reduce production costs and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the overall structural diagram of the utility model;

[0012] Figure 2 This is a structural diagram of the upper rotating disk of the utility model;

[0013] Figure 3 It is a top view of the bending and positioning assembly of the utility model;

[0014] Figure 4 yes Figure 3 Cross-sectional view of AA in the figure. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings:

[0016] like Figure 1-4As shown, a bending mold with replaceable inserts comprises an upper rotating disk 1 and a lower rotating disk 2 distributed up and down; a bending pressure wheel 21 is provided on one side of the lower rotating disk 2; a bending positioning assembly 3 is provided on the upper rotating disk 1, and two groups of the bending positioning assemblies 3 are arranged and are centrally symmetrically distributed on the upper rotating disk 1; the bending positioning assembly 3 comprises an insert 31, an insert locking member 32, a pressure wheel 33 and a pressure wheel locking member (not shown); the insert locking member 32 locks the insert 31 on the upper rotating disk 1; a bending positioning forming column 311 is provided at the bottom of the insert 31; the pressure wheel 33 is sleeved on the outside of the insert 31 in an adjustable position up and down; the pressure wheel locking member locks the pressure wheel 33 on the insert 31; the bending mold installation of this design On the bending machine, the upper rotating disk 1 and the lower rotating disk 2 are controlled to rotate by the bending machine respectively, and the bending machine extrudes the wire through the wire-releasing device, and the wire passes between the two groups of bending positioning components 3 of the upper rotating disk 1. After controlling the upper rotating disk 1 to rotate, the bending positioning forming columns 311 on the inlays 31 of the two groups of bending positioning components 3 respectively abut on both sides of the wire, and the pressure wheel 33 abuts on the top of the wire to limit it, and then the lower rotating disk 2 is controlled to rotate, and the bending pressure wheel 21 bends the wire, and after bending, an R angle is formed that matches the bending positioning forming column 311. The inlay 31 of this design can be disassembled. It is only necessary to replace the inlays 31 of different specifications according to the size of the R angle required to be formed of the wire to adapt to different product processing, thereby reducing production costs.

[0017] The insert 31 also includes a stud 312 and a limiting protrusion 313 distributed from top to bottom; the outer diameter of the limiting protrusion 313 is larger than the outer diameter of the stud 312; a positioning hole is provided vertically through the center of the insert 31; the upper rotating disk 1 is provided with mounting holes 11 at positions corresponding to the two sets of bending positioning components 3; the insert locking member 32 includes a limiting rod 321 and a first screw 322; the limiting rod 321 includes a limiting head 3211 and a positioning rod portion 32 distributed above and below 12; the limiting head 3211 contacts the upper end of the insert 31; the positioning rod 3212 passes through the positioning hole and extends into the mounting hole 11; the lower end of the positioning rod 3212 is provided with a first screw hole 3212-1; the first screw 322 is installed at the bottom of the mounting hole 11 and connected to the first screw hole 3212-1, locking the insert 31 on the upper rotating disk 1. When the insert 31 needs to be replaced, it is only necessary to loosen the first screw 322 to take out the insert 31 for replacement.

[0018] The center of the pressure wheel 33 is provided with a second screw hole 331 and a receiving groove 332 distributed up and down; the second screw hole 331 cooperates with the stud 312; the receiving groove 332 cooperates with the limiting protrusion 313; a plurality of third screw holes 333 connected to the receiving groove 332 are provided on the side wall of the pressure wheel 33; the pressure wheel locking piece is a second screw; the second screw is installed in the third screw hole 333 and abuts against the limiting protrusion 313. Loosen the second screw and then turn the pressure wheel 33 to adjust the height position of the pressure wheel 33. After the adjustment is completed, tighten the second screw.

[0019] The third screw holes 333 are provided in three and are evenly distributed around the circumference. The pressure wheel 33 needs to be rotated during adjustment. The three screw holes 333 are provided to respectively install the second screws, which is convenient for manual adjustment.

[0020] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A bending die with replaceable inserts, comprising an upper rotating disk and a lower rotating disk disposed above and below; a bending pressure wheel is provided on one side of the lower rotating disk; and a bending positioning assembly is provided on the upper rotating disk, characterized in that: The bending positioning components are provided in two groups and are centrally symmetrically distributed on the upper rotating disk; the bending positioning components include an insert, an insert locking piece, a pressure wheel and a pressure wheel locking piece; the insert locking piece locks the insert on the upper rotating disk; a bending positioning forming column is provided at the bottom of the insert; the pressure wheel is sleeved on the outside of the insert in an adjustable position up and down; the pressure wheel locking piece locks the pressure wheel on the insert.

2. A bending die with replaceable inserts according to claim 1, characterized in that: The insert also includes a stud and a limiting protrusion distributed from top to bottom; the outer diameter of the limiting protrusion is larger than the outer diameter of the stud; a positioning hole is provided vertically through the center of the insert; mounting holes are respectively provided at the positions corresponding to the two groups of bending positioning components on the upper rotating disk; the insert locking part includes a limiting rod and a first screw; the limiting rod includes a limiting head and a positioning rod distributed up and down; the limiting head contacts the upper end of the insert; the positioning rod passes through the positioning hole and extends into the mounting hole; a first screw hole is provided at the lower end of the positioning rod; the first screw is installed at the bottom of the mounting hole and connected to the first screw hole to lock the insert on the upper rotating disk.

3. A bending die with replaceable inserts according to claim 2, characterized in that: The center of the pressure wheel is provided with a second screw hole and a receiving groove distributed up and down; the second screw hole cooperates with the stud; the receiving groove cooperates with the limiting protrusion; a plurality of third screw holes connected to the receiving groove are provided on the side wall of the pressure wheel; the pressure wheel locking piece is a second screw; the second screw is installed in the second screw hole and abuts against the limiting protrusion.

4. A bending die with replaceable inserts according to claim 3, characterized in that: Three third screw holes are provided and are evenly distributed around the circumference.

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