WO2023087208A1

WO2023087208A1 - Top slitter cutting depth adjusting structure

Info

Publication number: WO2023087208A1
Application number: PCT/CN2021/131467
Authority: WO
Inventors: 蔡磊明; 陈兆茂; 许庆松; 叶民生
Original assignee: 无锡微研股份有限公司
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2023-05-25
Also published as: CN114206532B; CN114206532A

Abstract

A top slitter cutting depth adjusting structure, comprising an upper template (1). An upper cutter seat (2) is provided on the upper template; upper cutters (3) are provided on the upper cutter seat; a plurality of stepped holes (4) are formed on the upper cutter seat; a hook nail (5) is provided in and passes through each stepped hole, and the hook nails are enabled by first springs to float; the upper cutters are fixed to the lower ends of the hook nails; a plurality of ejector rods (8) capable of vertically moving are provided in and pass through the upper template; the ejector rods are configured to act on the upper ends of the hook nails; a pressing plate (9) is provided above the upper template; adjusting assemblies are provided on the pressing plate and correspond to the ejector rods; each adjusting assembly comprises a pressing screw (10); nuts (11) are provided on the pressing plate; the pressing screws are in threaded fit with the nuts, and the pressing screws pass through the pressing plate and abut against the ejector rods; the pressing screws are configured to adjust, by means of rotation of the pressing screws, the cutting depths of the upper cutters.

Description

Slitting upper knife cutting depth adjustment structure

technical field

The present application relates to the technical field of slitting dies, for example, to a cutting depth adjustment structure of an upper slitting knife.

Background technique

In the air-conditioning fin mold, slitting is an indispensable process. Slitting is also called stripping. Its function is to cut the entire width of the material into the fin width required by the customer by using the halving of the slitting upper and lower knives. . The length of the slitting knife is fixed, that is, the cutting length is constant. If you want to punch materials of different lengths, you need to punch multiple times to achieve the goal. More burrs will be formed on the surface, which will affect the product quality, so it is necessary to adjust the depth of cut in time. Generally, the cutting depth of the slitting knife is fixed. To adjust it, it is necessary to stop the machine to open the mold, disassemble the large template, and then adjust the position of the upper and lower cutters. The operation is cumbersome and affects the production cycle.

Contents of the invention

The application provides a structure for adjusting the cutting depth of the slitting upper knife, which can adjust the cutting depth of the knife edge through simple operations, reduce the difficulty of operation, eliminate slitting burrs, and meet production requirements.

A slitting upper knife cutting depth adjustment structure, including an upper template, an upper knife seat is arranged on the upper template, an upper cutting knife is arranged on the upper knife seat, and a plurality of stepped holes are opened on the upper knife seat, each stepped hole The hook nails are pierced and the hook nails are floated by the first spring, the upper cutter is fixed on the lower end of the hook nails, and a plurality of ejector rods that can move vertically are pierced in the upper template, and the ejector rods are set to act on the hook nails. On the upper end, a pressure plate is arranged above the upper template, and an adjustment assembly is provided on the pressure plate corresponding to each ejector rod. The adjustment assembly includes a top pressure screw, and a nut is arranged on the pressure plate, and the top pressure screw and the nut are screwed together, and the top pressure screw passes through the pressure plate But against on the push rod, the push screw is set to adjust the depth of cut of the upper cutter by its own rotation.

Description of drawings

Fig. 1 is a front view of a structure for quickly adjusting the cutting depth of the slitting upper knife provided by the embodiment of the present application;

Fig. 2 is a top view of a structure for quickly adjusting the cutting depth of the slitting upper knife provided by the embodiment of the present application;

Fig. 3 is a side view of a quick adjustment structure for the cutting depth of the slitting upper knife provided by the embodiment of the present application;

Figure 4 is an enlarged view of A in Figure 1;

Fig. 5 is an enlarged view of B in Fig. 1 .

in:

1. Upper template; 2. Upper knife seat; 3. Upper cutter; 4. Step hole; 5. Hook nail; 6. First spring; 7. Upper knife fixing block; 1. Top pressure screw; 11. Nut; 12. Hexagonal part; 13. Rotating convex part; 14. Sleeve; 15. Second spring; 16. Slide rail; 17. Mounting seat; 18. Leveling plate; Plunger; 20, spring plunger; 21, positioning hole.

Detailed ways

Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar parts or parts having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present application.

In the description of this application, unless otherwise specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or a mechanical connection. It may also be an electrical connection, or an indirect connection through an intermediary, or an internal communication between two elements or an interaction relationship between two elements. Those of ordinary skill in the art can understand the meanings of the above terms in this application according to the situation.

In the description of the present application, unless otherwise specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first feature and the second feature, and may also include the first feature and the second feature. Two features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature. The technical solution of the present application will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Please refer to Fig. 1 to Fig. 5, the present embodiment provides a quick adjustment structure for the cutting depth of the slitting upper knife, including the upper template 1, the upper template 1 is provided with an upper knife seat 2, and the upper knife seat 2 is provided with an upper Cutter 3 and upper knife seat 2 are provided with a plurality of step holes 4, each step hole 4 is pierced with a hook nail 5 and the hook nail 5 is floated by the first spring 6, and the upper cutter 3 is fixed on the upper knife On the block 7, the lower end of the hook nail 5 is fastened with the draw-in groove of the upper knife fixing block 7, and the upper template 1 is pierced with a vertically movable ejector rod 8, and the ejector rod 8 acts on the upper end of the hook nail 5.

A pressing plate 9 is arranged above the upper template 1, and an adjustment assembly is arranged on the pressing plate 9 corresponding to each ejector rod 8. The adjustment assembly includes a pressing screw 10, and a nut 11 is arranged on the pressing plate 9, and the pressing screw 10 and the nut 11 are screwed together. And the pressing screw 10 passes through the pressing plate 9 and abuts against the push rod 8 , so that the cutting depth of the upper cutter 3 can be adjusted by rotating the pressing screw 10 .

The top pressure screw 10 is provided with a hexagonal part 12 which is consistent with the shape of the nut 11, and the upper end of the hexagonal part 12 is provided with a rotating convex part 13, and the hexagonal part 12 is covered with a sleeve 14. A second spring 15 is arranged between them. When the sleeve 14 covers the nut 11 at the same time, the pressing screw 10 is locked; when the sleeve 14 is lifted up and separated from the nut 11, the pressing screw 10 can rotate freely. This structure can ensure The depth of cut is locked without affecting the adjustment operation.

A leveling assembly is provided on the pressing plate 9, and the leveling assembly includes a slide rail 16 arranged along the length direction of the pressing plate 9. A mounting seat 17 is slidably arranged on the sliding rail 16, and a leveling plate 18 is arranged on the mounting seat 17. When the leveling plate 18 When sliding to directly above a pressing screw 10 , the leveling plate 18 is used as a reference to obtain the screwing amount of the pressing screw 10 .

One end of the leveling plate 18 is hinged on the mounting seat 17 by bolts, and the leveling plate 18 is provided with a knob plunger 19, and the mounting seat 17 is provided with a locking hole corresponding to the knob plunger 19, so as to realize the angle switching of the leveling plate 18 and avoid the mounting seat Leveling plate 18 interferes with jacking screw 10 when 17 slides.

Each ejector rod 8 is correspondingly provided with two jacking screws 10, and the two jacking screws 10 act on the top of the ejector rod 8 at the same time. level.

In addition, the upper template 1 is provided with a spring plunger 20, and the corresponding spring plunger 20 is provided with a positioning hole 21 on the pressure plate 9, so as to ensure that the plurality of pressing screws 10 and the plurality of ejector pins 8 correspond accurately one by one when the pressure plate 9 is installed. The bolt passes through the pressing plate 9 and is fixedly connected with the upper template 1 .

During use, the depth of cut of a single upper cutter 3 can be adjusted directly through the adjustment assembly, and the leveling assembly can be moved to the top of the upper cutter 3 corresponding to the pressing screw 10 to determine the depth of cut. As a result, the problem of fin burrs generated after slitting can be solved better and faster, and the appearance of the fins after slitting is more attractive.

When all the upper cutters 3 do not need to work, the bolts on the pressing plate 9 are loosened, and the pressing plate 9 is fully lifted by the elastic force of the spring plunger 20, then all the push rods 8 will not work, and the first spring will 6 of the elastic force, the upper cutter 3 is all retracted.

To sum up, the above-mentioned rapid adjustment structure of the cutting depth of the slitting upper knife can realize the quick adjustment of the cutting depth of one or some upper cutting knives through the adjustment component. High, easy to use, high efficiency, effectively improve the problem of fin burrs after slitting, and make the appearance of fins after slitting more beautiful.

Claims

A slitting upper knife cutting depth adjustment structure, comprising an upper template, an upper knife seat is arranged on the upper template, and an upper cutting knife is arranged on the upper knife seat, wherein, a plurality of Step holes, each step hole is pierced with hook nails and the hook nails are floated by the first spring, the upper cutter is fixed on the lower end of the hook nails, and the upper template is pierced with a vertical A plurality of moving ejector rods, the ejector rods are set to act on the upper ends of the hook nails, a pressing plate is arranged above the upper template, and an adjusting assembly is arranged on the pressing plate corresponding to each ejector rod, and the adjusting assembly It includes a pressing screw, a nut is arranged on the pressing plate, the pressing screw is threadedly engaged with the nut, and the pressing screw passes through the pressing plate and abuts against the ejector rod, the pressing screw The screw is configured to adjust the depth of cut of the upper cutter through its own rotation.
According to the structure for adjusting the cutting depth of the slitting upper knife according to claim 1, wherein a hexagonal portion consistent with the shape of the nut is provided on the pressing screw, and a rotating convex portion is provided at the upper end of the hexagonal portion, so that The hexagonal part is covered with a sleeve, and a second spring is arranged between the sleeve and the rotating convex part. When the sleeve covers the nut, the pressing screw is locked; When the sleeve is lifted up and separated from the nut, the pressing screw can rotate freely.
The cutting depth adjustment structure of the slitting upper knife according to claim 1, wherein a leveling assembly is provided on the pressing plate, and the leveling assembly includes a slide rail arranged along the length direction of the pressing plate, and the sliding rail is The upper slide is provided with a mounting seat, and the mounting seat is provided with a leveling plate. When the leveling plate slides directly above a jacking screw, the leveling plate is set as a reference object to obtain the top screw. The amount of screwing in the pressure screw.
According to the structure for adjusting the cutting depth of the slitting upper knife according to claim 3, wherein, one end of the leveling plate is hinged to the mounting base through a bolt, and a knob plunger is arranged on the leveling plate, and the mounting base A locking hole is provided corresponding to the knob plunger, and the knob plunger and the locking hole are configured to realize the angle switching of the leveling plate.
According to claim 1, the depth-of-cut adjustment structure of the slitting upper knife, wherein each ejector rod is correspondingly provided with two pressing screws, and the two pressing screws are set to simultaneously act on the top of each ejector rod And keep each ejector rod level.
According to the structure for adjusting the cutting depth of the slitting upper knife according to claim 1, wherein a spring plunger is arranged on the upper template, and a positioning hole is opened on the pressing plate corresponding to the spring plunger, and the bolt passes through the The pressing plate is fixedly connected with the upper template.
The cutting depth adjustment structure of the upper knife for slitting according to claim 1, wherein the upper knife is mounted on a fixed block of the upper knife, and the hook nail is buckled with a slot of the fixed block of the upper knife.