CN214557526U

CN214557526U - Punching head

Info

Publication number: CN214557526U
Application number: CN202120631500.0U
Authority: CN
Inventors: 何剑锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-02
Anticipated expiration: 2031-03-29

Abstract

The application relates to the technical field of punching tools, in particular to a punching head which comprises a main tool rest, a sliding tool box, a drill rod, an adjusting piece and a locking piece; the drill rod is arranged on the main tool rest along the axial direction of the main tool rest; the number of the sliding knife boxes is two, and each sliding knife box is provided with a blade; the two sliding knife boxes are respectively and movably arranged on two sides of the main knife rest and move towards or away from each other through the adjusting piece; the locking piece is used for locking the two sliding knife boxes on the main knife rest. This application can order about slip sword box through the regulating part and carry out the relative motion or deviate from the motion for distance between two blades diminishes or the grow, can increase the operation scope of the head of punching effectively, has satisfied the demand of punching in different apertures, has solved the fixed technical problem that leads to the operation scope little of current head aperture of punching effectively.

Description

Punching head

Technical Field

The application relates to the technical field of punching tools, in particular to a punching head.

Background

The punching technology is often used in mechanical production, and punching can be performed on metal materials or other materials with certain thickness through fixed-point rotary cutting. The blade of the existing punching head and the main tool rest are integrated, the diameter is fixed, and the cutting thickness is limited by the length of the blade. Therefore, the existing punching head has the following defects:

first, the perforation diameter is fixed. Aiming at the punching requirements of different apertures, enterprises need to purchase the punching head of each aperture respectively to meet the production requirement, and the cost is higher. And, when changing the aperture, need will fix the whole taking off of the head of punching on drilling equipment, just can change.

Second, the blade cannot be replaced. Of the various parts of the perforating head, the blades are the most vulnerable, while others are relatively durable. The existing punching head has the advantages that the blade and the tool rest are integrated, and the whole puncher cannot be used continuously when the blade is damaged.

Third, the cut thickness is limited. The upper limit of the cutting thickness of the existing punching head is the length of the blade, and punching cannot be finished when the cutting thickness exceeds the upper limit.

Fourth, the cut chips (i.e., wafers) may get stuck in the blade grooves, which cannot be avoided even if the chip removal spring is used. Because the existing punching head is a fixed whole, once the existing punching head is clamped, the existing punching head is not easy to take out, and can only be pushed out through a small hole of the tool rest base, if the existing punching head is clamped tightly, the existing punching head can be knocked down even if a hammer is used for knocking forcibly, and the existing punching head is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application aims to provide a punching head, which effectively solves the technical problem of small operation range caused by the fixed aperture of the existing punching head.

In order to achieve the purpose, the application provides the following technical scheme:

a punching head comprises a main tool rest, a sliding tool box, a drill rod, an adjusting piece and a locking piece;

the drill rod is arranged on the main tool rest along the axial direction of the main tool rest;

the number of the sliding knife boxes is two, and each sliding knife box is provided with a blade;

the two sliding knife boxes are respectively and movably arranged on two sides of the main knife rest and move towards or away from each other through the adjusting piece;

the locking piece is used for locking the two sliding knife boxes on the main knife rest.

Preferably, in the above punching head, the adjusting member is an adjusting screw, and the adjusting screw is movably inserted into the main tool rest;

two sections of reverse threads are arranged on the adjusting screw rod, and the two sections of reverse threads of the adjusting screw rod are respectively in threaded connection with the corresponding sliding knife boxes.

Preferably, in the punching head, two ends of the adjusting screw respectively penetrate through the corresponding sliding knife boxes, and two ends of the adjusting screw are provided with rotating grooves.

Preferably, in the above punching head, the adjusting member is an adjusting turntable, and the adjusting turntable is rotatably sleeved on the main tool rest;

the top of adjusting the carousel is equipped with and is spiral helicine track groove, two the bottom of slip sword box be equipped with track groove matched with slider.

Preferably, in the punching head, the main tool rest includes a base and a rod body, the rod body is installed at the bottom of the base, and notches matched with the sliding tool boxes are arranged on two sides of the base.

Preferably, in the punching head, a limiting member is disposed on each of two sides of the bottom of each of the sliding tool boxes.

Preferably, in the punching head, the locking member is a locking nut, and the locking nut is sleeved on the rod body in a threaded manner.

Preferably, in the punching head, a groove is formed in the top of the sliding knife box, and the blade is detachably mounted in the groove through a first fastener.

Preferably, in the above-mentioned punching head, a spring is sleeved on the drill rod.

Preferably, in the above drilling head, an installation groove is provided on the main tool holder, and the drill rod is detachably installed in the installation groove through a second fastener.

Compared with the prior art, the beneficial effects of this application are:

the application provides a punching head, which comprises a main tool rest, a sliding tool box, a drill rod, an adjusting piece and a locking piece; the drill rod is arranged on the main tool rest along the axial direction of the main tool rest; the number of the sliding knife boxes is two, and each sliding knife box is provided with a blade; the two sliding knife boxes are respectively and movably arranged on two sides of the main knife rest and move towards or away from each other through the adjusting piece; the locking piece is used for locking the two sliding knife boxes on the main knife rest. This application is when using, can order about slip sword box through the regulating part and carry out the motion in opposite directions or deviate from the motion for distance between two slip sword boxes diminishes or the grow, also make distance between two blades diminish or the grow promptly, thereby reach the purpose of adjusting the distance between two blades, can increase the operation scope of the head of punching effectively, satisfied the demand of punching in different apertures, solved current fixed technical problem that leads to the operation scope little of punching head aperture effectively.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a punching head according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of another punching head provided in the embodiment of the present application.

In the figure:

1 is a main tool rest, 11 is a notch, 2 is a sliding tool box, 21 is a limiting part, 31 is an adjusting screw, 32 is an adjusting turntable, 4 is a locking part, 5 is a blade, 6 is a drill rod, 7 is a spring, 8 is a first fastening piece, and 9 is a second fastening piece.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The punching technology is often used in mechanical production, and punching can be performed on metal materials or other materials with certain thickness through fixed-point rotary cutting. The blade of the existing punching head and the main tool rest are integrated, the diameter is fixed, and the cutting thickness is limited by the length of the blade. Therefore, the existing punching head has the following defects: (1) the diameter of the punched hole is fixed. Aiming at the punching requirements of different apertures, enterprises need to purchase the punching head of each aperture respectively to meet the production requirement, and the cost is higher. And, when changing the aperture, need will fix the whole taking off of the head of punching on drilling equipment, just can change. (2) The blade cannot be replaced. Of the various parts of the perforating head, the blades are the most vulnerable, while others are relatively durable. The existing punching head has the advantages that the blade and the tool rest are integrated, and the whole puncher cannot be used continuously when the blade is damaged. (3) The cutting thickness is limited. The upper limit of the cutting thickness of the existing punching head is the length of the blade, and punching cannot be finished when the cutting thickness exceeds the upper limit. (4) The cut scraps (i.e. wafers) may be stuck in the blade grooves, which cannot be avoided even if the scrap discharging spring is used. Because the existing punching head is a fixed whole, once the existing punching head is clamped, the existing punching head is not easy to take out, and can only be pushed out through a small hole of the tool rest base, if the existing punching head is clamped tightly, the existing punching head can be knocked down even if a hammer is used for knocking forcibly, and the existing punching head is very inconvenient. The embodiment provides a punching head, has solved current punching head aperture effectively and has fixed, the unable dismantlement of blade is renewed, cutting thickness is limited and the difficult technical problem who takes out behind the cutting bits material card blade groove.

Referring to fig. 1 to 2, the embodiment of the present application provides a punching head, which includes a main tool post 1, a sliding tool box 2, a drill rod 6, an adjusting member and a locking member 4; the drill rod 6 is arranged on the main tool rest 1 along the axial direction of the main tool rest 1; the number of the sliding knife boxes 2 is two, and each sliding knife box 2 is provided with a knife blade 5; the two sliding knife boxes 2 are respectively and movably arranged on two sides of the main knife rest 1, and the two sliding knife boxes 2 move towards or away from each other through the adjusting parts; the locking member 4 is used to lock the two sliding tool boxes 2 to the main tool holder 1.

More specifically, two sliding tool boxes 2 are symmetrically arranged on both sides of the main tool rest 1; when the punching head is used, the punching head is fixed on a mechanical arm of a lathe through the main tool rest 1, and the sliding tool box 2 is fixed on the main tool rest 1, so that the position in the vertical direction can be ensured to be fixed; the drill rod 6 is mainly used for drilling holes in a workpiece to be drilled and plays a role in positioning, so that the blades 5 on two sides can rotate around the drill rod 6 to cut the workpiece to be drilled, and the purpose of drilling is achieved.

This embodiment can order about slip sword box 2 through the regulating part and carry out the relative motion or deviate from the motion for distance between two slip sword boxes 2 diminishes or the grow, also makes the distance between two blades 5 diminish or grow promptly, thereby reaches the purpose of adjusting the distance between two blades 5, can increase the operation scope of head of punching effectively, has satisfied the demand of punching in different apertures, has solved the fixed technical problem that leads to the operation scope little of current head aperture of punching effectively.

Further, in this embodiment, the main tool post 1 includes a base and a rod body, the rod body is installed at the bottom of the base, and notches 11 matched with the sliding tool boxes 2 are arranged on two sides of the base. The movement direction of the sliding knife box 2 can be effectively limited by the arrangement of the notch 11, the condition that the sliding knife box 2 deviates in adjustment is avoided, and the two sliding knife boxes 2 are kept parallel, so that the two blades 5 are always kept parallel when being adjusted, and the punching quality is ensured.

More specifically, the base is disc-shaped, the two notches 11 are symmetrically arranged on two sides of the base, and the central line of the base coincides with the central line of the rod body; during adjustment, the sliding knife box 2 can be moved by matching with an auxiliary measuring tool, and scales can be marked on the base, so that a user can adjust the positions of the two sliding knife boxes 2 through the scales.

Further, in the present embodiment, both sides of the bottom of each sliding magazine 2 are provided with the stoppers 21. After installation, the limiting part 21 of the sliding knife box 2 can abut against the bottom of the base, so that the lower locking part 4 can press the limiting part 21 against the bottom of the base, and therefore the position of the sliding knife box 2 on the main knife rest 1 is locked, the sliding knife box 2 is not moved any more, and the whole punching head can perform punching operation normally.

Further, in this embodiment, the locking member 4 is specifically a locking nut, and the locking nut is threadedly sleeved on the rod body. Through the length direction removal of rotatory lock nut along the body of rod, can be so that 2 butt of slip sword box on the bottom of base to the position of locking slip sword box 2 on main knife rest 1 makes slip sword box 2 no longer remove, so that whole head of punching normally punches.

Further, in the present embodiment, the top of the sliding blade case 2 is provided with a groove, and the blade 5 is detachably mounted in the groove by the first fastening member 8. The first fastening member 8 can be a fastening screw or a fastening bolt, the blade 5 is easy to wear when used to a certain extent in production, and the fastening screw on the sliding knife box 2 can be unscrewed at the moment to replace the blade 5, so that durable parts such as the main knife rest 1 can be used for a long time. Furthermore, if the thickness of the material to be cut is high, the cutting and punching can also be performed by replacing the longer blade 5 by loosening the fastening screw, as long as the length of the center drill is not exceeded.

Further, in this embodiment, a spring 7 is sleeved on the drill rod 6. When the drill rod 6 is used, scraps are generated when the drill rod 6 rotates to cut a workpiece, and most of the scraps can be ejected out by the spring 7, so that the phenomenon that the drill rod 6 is clamped by the scraps is effectively reduced. And because this perforating head is the semi-enclosed structure that two slip tool boxes 2 constitute, even the bits material blocks drilling rod 6, only need can make the bits material drop with a sled gently with little iron bar such as screwdriver, perhaps also can remove two slip tool boxes 2 again, increase the distance between two slip tool boxes 2, can easily take out the bits material equally.

Further, in the embodiment, the main tool rest 1 is provided with a mounting groove, and the drill rod 6 is detachably mounted in the mounting groove through a second fastening piece 9. The second fastening piece 9 can be a fastening screw or a fastening bolt, and different types of drill rods 6 or worn drill bits can be replaced conveniently by loosening the second fastening piece 9, so that the drill rod replacement tool has the advantages of convenience in disassembly and replacement.

The method for adjusting the distance between the two sliding knife boxes 2 in this embodiment is not exclusive, as long as the sliding knife boxes 2 on both sides can be close to or far away from the center of the base, and two specific adjusting methods are provided in the following for this embodiment:

the embodiment provides a first adjustment mode, please refer to fig. 1, the adjustment member is specifically an adjustment screw 31, and the adjustment screw 31 movably penetrates through the main tool rest 1; two sections of reverse threads are arranged on the adjusting screw rod 31, and the two sections of reverse threads of the adjusting screw rod 31 are respectively in threaded connection with the corresponding sliding knife boxes 2. The two reverse threads specifically mean that one section is a clockwise thread, the other section is an anticlockwise thread, and the two sliding knife boxes 2 are respectively installed on the clockwise thread section and the anticlockwise thread section of the adjusting screw 31. During adjustment, the adjusting screw 31 can be rotated clockwise, the two sliding knife boxes 2 can move towards the center of the main knife rest 1 at the same time, and the distance between the two blades 5 is reduced, so that the punching diameter of the punching head is reduced; on the contrary, the adjusting screw 31 can be rotated along the counterclockwise direction, the two sliding knife boxes 2 can be simultaneously far away from the center of the main knife rest 1, and the distance between the two blades 5 is increased, so that the punching diameter of the punching head is increased, and the purpose of adjusting the punching diameter of the punching head is achieved.

Further, in the present embodiment, two ends of the adjusting screw 31 respectively penetrate through the corresponding sliding knife boxes 2, and two ends of the adjusting screw 31 are provided with rotating grooves. The rotary groove can be a straight groove, a cross groove or a regular hexagon groove, and can be matched with the rotary groove through a corresponding screwdriver, so that the adjusting process of adjusting the distance between the two sliding knife boxes 2 by rotating the adjusting screw 31 is realized.

More specifically, when the two sliding tool boxes 2 are adjusted to move to a desired position, the adjusting screw 31 can be locked to the main tool post 1 by the fastening member, and then the locking member 4 is rotated to press the limiting member 21 of the sliding tool box 2 between the locking member 4 and the base, thereby locking the two sliding tool boxes 2 to the main tool post 1.

Referring to fig. 2, the adjusting member is specifically an adjusting turntable 32, and the adjusting turntable 32 is rotatably sleeved on the main tool rest 1; the top of the adjusting turntable 32 is provided with a spiral track groove, and the bottoms of the two sliding knife boxes 2 are provided with sliding blocks matched with the track groove. When the tool is used, the adjusting turntable 32 is rotated clockwise, the two sliding tool boxes 2 can move towards the center of the main tool rest 1 at the same time, and the distance between the two blades 5 is reduced, so that the punching diameter of the punching head is reduced; on the contrary, along the anticlockwise rotation regulation carousel 32, two slip sword boxes 2 can keep away from the center of main knife rest 1 simultaneously, and the distance between two blades 5 grow for the diameter increase that punches of punching head, thereby reach the purpose of adjusting the diameter that punches of punching head.

More specifically, the track groove is similar to a track groove of a mosquito coil incense; when the two sliding knife boxes 2 are adjusted to move to the required positions, the limiting parts 21 of the sliding knife boxes 2 are pressed between the adjusting turntables 32 and the base by rotating the locking pieces 4, so that the two sliding knife boxes 2 are locked on the main knife rest 1.

The beneficial effects of this embodiment: (1) the distance between the two blades 5 is adjustable, so that the operation range of the punching head can be effectively enlarged, and the punching requirements of different apertures are met; (2) through the detachable blade 5, the damaged blade can be more conveniently replaced, the service life of the punching head is prolonged, and the cost is saved; (3) the thickness that can be cut can be greatly increased by changing the length of the installed blade 5, and the theoretical upper limit can reach the length of the central pillar; (4) the inevitable clamping groove scraps are taken out more easily in the production process.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A punching head is characterized by comprising a main tool rest, a sliding tool box, a drill rod, an adjusting piece and a locking piece;

2. The perforating head as recited in claim 1 wherein the adjusting member is an adjusting screw movably disposed through the main carriage;

3. The punching head according to claim 2, wherein both ends of the adjusting screw respectively penetrate through the corresponding sliding knife boxes, and both ends of the adjusting screw are provided with rotating grooves.

4. The perforating head as claimed in claim 1, characterized in that the adjusting member is in particular an adjusting dial, which is rotatably sleeved on the main tool holder;

5. The perforating head as recited in claim 1 wherein the main blade holder includes a base and a rod mounted to a bottom of the base, the base having notches on both sides for mating with the respective sliding blade cartridges.

6. The perforating head as recited in claim 5 wherein each of the sliding magazine bottom is provided with a stop on both sides.

7. The perforating head as claimed in claim 5, wherein the retaining member is a retaining nut that is threadably received on the rod body.

8. The perforating head as recited in claim 1 wherein a top of the sliding magazine defines a recess, the blade being removably mounted within the recess by a first fastener.

9. The perforating head as recited in claim 1 wherein a spring is sleeved on the drill rod.

10. The perforating head as recited in claim 1 wherein the main blade carrier is provided with a mounting slot and the drill rod is removably mounted in the mounting slot by a second fastener.