CN212598176U

CN212598176U - Punching machine

Info

Publication number: CN212598176U
Application number: CN202020920872.0U
Authority: CN
Inventors: 庞晓剑
Original assignee: Wuxi Yisite Precision Machinery Co ltd
Current assignee: Wuxi Yisite Precision Machinery Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-02-26
Anticipated expiration: 2030-05-27

Abstract

The utility model belongs to the technical field of machining, a punch press is disclosed, including fuselage, slide rail and slider, the slide rail is installed in the fuselage. The slider comprises a main body part and a sliding part formed by high-frequency quenching and surface grinding in sequence, wherein the main body part is connected with the sliding part. The sliding part and the sliding rail are assembled together after the surface of the sliding part and/or the surface of the sliding rail are scraped, so that the sliding part can slide along the sliding rail in a reciprocating manner. The utility model discloses a slider includes the main part and loops through the sliding part that high-frequency hardening and surface grinding formed, and sliding part and slide rail assemble together after the surface of sliding part and/or the surface shovel of slide rail scrapes to make sliding part and the mutual sliding fit's of slide rail face level and more smooth and each other laminating degree height, thereby can reduce the wearing and tearing between sliding part and the slide rail. Because the utility model discloses an wearing and tearing between sliding part and the slide rail reduce to make the punch press can keep higher machining precision for a long time.

Description

Punching machine

Technical Field

The utility model relates to a machining technology field, concretely relates to punch press.

Background

The punch press is a stamping type press. Compared with the traditional mechanical processing, the stamping process has the advantages that: the method has the advantages of material and energy conservation, high efficiency and low technical requirement on operators, and products which cannot be manufactured by traditional machining can be manufactured by various dies. Therefore, the use of the punching machine is more and more extensive.

The abrasion between the sliding block and the sliding rail of the existing punching machine is serious, so that after the punching machine is used for a period of time, the machining precision is reduced, and the product rejection rate is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a punch press to solve the serious problem of wearing and tearing between current slider and the slide rail.

To achieve the purpose, the utility model adopts the following technical proposal:

a punch press, comprising:

a body;

the sliding rail is arranged on the machine body;

the sliding block comprises a main body part and a sliding part formed by high-frequency quenching and surface grinding in sequence, and the main body part is connected with the sliding part; the sliding part and the sliding rail are assembled together after the surface of the sliding part and/or the surface of the sliding rail is scraped, so that the sliding part can slide along the sliding rail in a reciprocating mode.

Preferably, in the above punch press, the surface of the slide rail has a groove formed by scraping.

Preferably, in the above punch press, the groove is a dovetail groove.

Preferably, in the above punch press, a lubricating oil layer is provided between the sliding portion and the slide rail.

Preferably, in the above punch press, the slide rail has 3 slide rail surfaces, the 3 slide rail surfaces enclose a slot, and the sliding part is inserted into the slot and is in sliding fit with the slide rail surfaces; 3 of said slide surfaces each having said groove.

Preferably, in the above punch press, 3 of the rail surfaces are sequentially perpendicular, and the sliding portion has 3 sliding surfaces slidably engaged with the rail surfaces.

Preferably, in the above punch press, the number of the sliding portions is 2, and 2 sliding portions are disposed on both sides of the main body portion.

Preferably, in the above punch press, the slide block is a cast iron slide block.

Preferably, in the above punch press, the slide rail is a copper slide rail.

Preferably, in the above punch press, the punch press further includes an upper die holder and an upper die, the upper die holder is mounted on the main body, and the upper die is mounted on the upper die holder.

The utility model discloses a punch press's beneficial effect lies in: the slider comprises a main body part and a sliding part formed by high-frequency quenching and surface grinding in sequence, and the sliding part and the sliding rail are assembled together after the surface of the sliding part and/or the surface of the sliding rail are shoveled, so that the surfaces of the sliding part and the sliding rail in sliding fit with each other are more smooth and have high degree of fitting with each other, and the abrasion between the sliding part and the sliding rail can be reduced.

Because the utility model discloses an wearing and tearing between sliding part and the slide rail reduce to make the punch press can keep higher machining precision for a long time.

Drawings

FIG. 1 is a side view of a punch press according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

fig. 3 is a partial enlarged view of fig. 2 at I.

The attached names and reference numbers in the figure are as follows:

the stamping machine comprises a stamping machine 100, a machine body 10, a slide rail 20, a first slide rail plate 21, a second slide rail plate 22, a third slide rail plate 23, a groove 24, a slide block 30, a main body part 31, a sliding part 32, an upper die holder 40, an upper die 50, a workbench 60 and a lubricating oil layer 70.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 is a side view of a punch press 100 according to an embodiment of the present invention. Fig. 2 is a sectional view in the direction a-a of fig. 1.

As shown in fig. 1 and 2, the present embodiment discloses a punch press 100, the punch press 100 includes a body 10, a power mechanism, a slide rail 20 mounted on the body 10, a slide block 30 mounted on the slide rail 20, an upper die holder 40 mounted on the slide block 30, and an upper die 50 mounted on the upper die holder 40, wherein the upper die 50 is disposed opposite to a table 60 of the punch press 100. The worktable 60 is also provided with a lower die holder and a lower die mounted on the lower die holder. The upper die 50 is disposed opposite to the lower die. The power mechanism drives the sliding block 30 to reciprocate up and down along the sliding rail 20, so that the upper die 50 and the lower die are matched to process a product.

Specifically, the slider 30 includes a main body 31 and a sliding part 32 connected to each other, the sliding part 32 is slidably engaged with the slide rail 20, and the upper die holder 40 is mounted on the main body 31 of the slider 30.

In order to reduce the wear between the sliding block 30 and the sliding rail 20, the punching machine 100 of the embodiment adopts three measures:

the first method comprises the following steps: the slide portion 32 is formed by high-frequency quenching and surface grinding in this order and the slide portion 32 is assembled with the slide rail 20 after the surface of the slide portion 32 is scraped.

And the second method comprises the following steps: the sliding portion 32 is formed by high-frequency quenching and surface grinding in this order and the sliding portion 32 is assembled with the slide rail 20 after the surface of the slide rail 20 is scraped.

And the third is that: the slide portion 32 is formed by high-frequency quenching and surface grinding in this order and the slide portion 32 is assembled with the slide rail 20 after both the surface of the slide portion 32 and the surface of the slide rail 20 are scraped.

The advantages of the three measures are that: the surfaces of the sliding part 32 and the sliding rail 20 which are in sliding fit with each other are smoother and have high fitting degree with each other, so that the abrasion between the sliding part 32 and the sliding rail 20 can be reduced. Since the wear between the slide 32 and the slide rail 20 is reduced, the upper die 50 and the lower die can maintain a high fitting accuracy for a long time, so that the punch press 100 of the present embodiment can maintain a high processing accuracy for a long time.

The sliding portion 32 hardened by the induction hardening has a high hardness, and the sliding portion 32 having been subjected to the surface grinding has a high surface accuracy.

The high-frequency quenching is mostly used for surface quenching of industrial metal parts, and is a metal heat treatment method which enables the surface of a workpiece to generate certain induced current, quickly heats the surface of the part and then quickly quenches the part. Induction hardening refers to hardening greater than 10 KHZ.

Scraping is one of plane finishing methods, and aims to reduce the roughness value of a surface, improve the contact precision and the geometric precision, and further improve the overall matching rigidity, the lubricating performance, the mechanical benefit and the service life of a machine tool. The scraping is divided into according to the processing precision: coarse scraping, fine scraping and fine scraping. The primary task of rough scraping is to solve the problem of form and position errors. The fine scraping is performed on the basis of the coarse scraping. The task of fine scraping is mainly to solve the surface quality problem. The fine scraping is performed on the basis of fine scraping, and the fine scraping aims at improving the quality of the scraped surface and considering the nuclear positioning error. The present embodiment may select one of rough scraping, fine scraping, and fine scraping as needed.

Fig. 3 is a partial enlarged view of fig. 2 at I. In the second and third solutions described above, the surface of the slide rail 20 has a groove 24 formed by scraping, as shown in fig. 2 and 3. In the process of scraping the surface of the slide rail 20, the groove 24 is formed, so that the method has the advantage of saving the machining process. Preferably, the groove 24 is a dovetail groove, and the dovetail groove of the present embodiment is formed by scraping, and therefore, the size of the dovetail groove is small. However, the dovetail grooves are sized to store lubricating oil.

As shown in fig. 2 and 3, a lubricant layer 70 is provided between the slide portion 32 and the slide rail 20. The lubricating oil layer 70 can reduce friction between the sliding portion 32 and the slide rail 20, thereby further reducing wear between the sliding portion 32 and the slide rail 20.

Specifically, the excess of the lubricating oil added between the sliding portion 32 and the slide rail 20 is stored in the groove 24. Therefore, during the reciprocating movement of the sliding part 32 along the slide rail 20, the lubricating oil in the groove 24 can form an oil film to lubricate the surfaces of the sliding part 32 and the slide rail 20 which are in sliding fit with each other in real time. The cooperation of the grooves 24 with the lubricating oil makes it possible for the present embodiment to also reduce the number of times the lubricating oil is increased.

Preferably, the slide rail 20 is enclosed by 3 slide rail plates, and the 3 slide rail plates are a first slide rail plate 21, a second slide rail plate 22 and a third slide rail plate 23 respectively. The first sliding rail plate 21, the second sliding rail plate 22 and the third sliding rail plate 23 form 3 sliding rail surfaces, the 3 sliding rail surfaces form a slot, and the sliding part 32 is inserted into the slot and is in sliding fit with the sliding rail surfaces. The 3 track faces each have a groove 24. Preferably, 3 slide rail 20 faces are vertical in sequence, and the sliding part 32 has 3 sliding faces which are in sliding fit with the slide rail faces. Therefore, the sliding fit between the sliding part 32 and the sliding rail 20 of the present embodiment is more reliable, and all the surfaces of the sliding part 32 and the sliding rail 20 that are engaged with each other can be lubricated in real time by the lubricating oil in the respective grooves 24.

As shown in fig. 2, the number of the sliding portions 32 is 2, and 2 sliding portions 32 are distributed on both sides of the main body portion 31. Specifically, the number of the slide rails 20 is also 2, and the 2 slide rails 20 are oppositely arranged. The 2 sliding parts 32 are respectively matched with the 2 sliding rails 20 in a sliding manner. The reciprocating motion of the sliding part 32 of the present embodiment is more stable, and the precision of the product processed by the punch 100 is ensured.

Preferably, the slider 30 is a cast iron slider. The cast iron slide block has higher hardness and surface precision after high-frequency quenching and surface grinding, thereby being beneficial to improving the matching precision of the slide block 30 and the slide rail 20. In other embodiments, the slider 30 may be made of other materials, for example, the slider 30 may be made of stainless steel.

The slider 30 of the present embodiment can be subjected to electric discharge high-frequency quenching processing, followed by surface grinding by means of a gantry numerical control guide grinder. During grinding, only the surface of the sliding block 30 which is required to be in sliding fit with the sliding rail 20 needs to be ground.

Preferably, the slide rail 20 is a copper slide rail, that is, the first slide rail plate 21, the second slide rail plate 22 and the third slide rail plate 23 are all copper plates, which is convenient for scraping and is easy to form the groove 24. In other embodiments, the first, second and

third slide plates

21, 22, 23 may be made of other materials, for example, the first, second and

third slide plates

21, 22, 23 may be made of stainless steel.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A punch press, comprising:

a body (10);

a slide rail (20), wherein the slide rail (20) is mounted on the machine body (10);

a slider (30), wherein the slider (30) comprises a main body part (31) and a sliding part (32) formed by high-frequency quenching and surface grinding in sequence, and the main body part (31) is connected with the sliding part (32); the sliding part (32) is assembled with the sliding rail (20) after the surface of the sliding part (32) and/or the surface of the sliding rail (20) is scraped, so that the sliding part (32) can slide along the sliding rail (20) in a reciprocating mode.

2. The punching machine according to claim 1, characterized in that the surface of the slide rail (20) has a groove (24) formed by scraping.

3. The punch press according to claim 2, characterized in that the grooves (24) are dovetail grooves.

4. A press according to claim 2 or 3, characterized in that a layer of lubricating oil (70) is present between the slide (32) and the slide (20).

5. The punching machine according to claim 2 or 3, wherein the sliding rail (20) has 3 sliding rail surfaces, 3 sliding rail surfaces enclose a slot, and the sliding part (32) is inserted into the slot and is in sliding fit with the sliding rail surfaces; 3 of said slide surfaces each have said groove (24).

6. A press according to claim 5 or claim, wherein 3 of said slide surfaces are sequentially vertical, said slide (32) having 3 slide surfaces in sliding engagement with said slide surfaces.

7. The punch press according to claim 1, wherein the number of the sliding portions (32) is 2, and 2 sliding portions (32) are distributed on both sides of the main body portion (31).

8. The punching machine according to claim 1, wherein the slide (30) is a cast iron slide.

9. The punching machine according to claim 1, wherein the slide rail (20) is a copper slide rail.

10. The punch press of claim 1, wherein the punch press (100) further comprises an upper die holder (40) and an upper die (50), the upper die holder (40) being mounted to the main body portion (31), the upper die (50) being mounted to the upper die holder (40).