CN219292533U

CN219292533U - Punching machine

Info

Publication number: CN219292533U
Application number: CN202320817511.7U
Authority: CN
Inventors: 张璐璐
Original assignee: Taicang Jinshuo Intelligent Control Equipment Co ltd
Current assignee: Taicang Jinshuo Intelligent Control Equipment Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-04
Anticipated expiration: 2033-04-13

Abstract

The utility model relates to the technical field of punching, and particularly discloses a punching machine, which comprises a punching assembly, wherein the punching assembly comprises a male die plate, a female die seat, a guide piece and a plurality of punches, wherein the guide piece is positioned between the male die plate and the female die seat and used for guiding the punches, the punches are arranged on the male die plate, punch through holes are formed in the female die seat, first guide sleeves used for guiding the punches are arranged in the punch through holes, and the punches can be in sliding fit with the first guide sleeves. The punching machine has high punching efficiency, and the punches are subjected to double guide through the guide piece and the first guide sleeve respectively, so that the accuracy of alignment of the punches can be ensured, and the alignment precision is improved; when the punch punches, although the punch can be subjected to larger radial force, the guide piece and the first guide sleeve play a role in stabilizing and reinforcing the punch and have a protective effect on the punch, so that the punch is not easy to deform or damage.

Description

Punching machine

Technical Field

The utility model relates to the technical field of punching, in particular to a punching machine.

Background

Punching is a production process for punching holes with different shapes in various materials in order to meet different process requirements. Types of punches include numerical control punches, mechanical punches, pneumatic punches, and hydraulic punches. The punching machine generally comprises a frame, a power assembly, a punching assembly and a positioning assembly of a workpiece, and the existing punching machine has the defects that: 1. the punching efficiency is low; 2. the punch is stressed radially when punching, so that the punch is easy to deform or damage, and the use is affected; 3. the punch has low alignment precision, so that the alignment is inaccurate; 4. the punch is inconvenient to install and disassemble; 5. the width of the positioning assembly used for positioning the workpieces is inconvenient to adjust, and the use of the positioning assembly for punching workpieces with different sizes is limited.

Disclosure of Invention

The utility model aims to provide a high-efficiency punching machine which has a protection function on a punch and has high punch alignment precision.

The utility model provides a piercing press, includes the punching assembly, the punching assembly includes the positive template, the female die seat, is located between positive template and the female die seat to the guide piece that the drift was directed to, and install a plurality of drifts on the positive template it has the drift via hole to open on the female die seat be equipped with the first uide bushing that directs the drift in the drift via hole, the drift can with first uide bushing sliding fit.

The technical principle and effect of the punching machine of the utility model are as follows: 1. according to the utility model, the male template is provided with the plurality of punches, so that multiple holes can be punched at one time, and the punching efficiency is high; 2. according to the utility model, the guide piece is arranged between the male die plate and the female die seat, the punch through hole is arranged on the female die seat, the first guide sleeve is arranged in the punch through hole, and in the punching process of the punch, the punch is subjected to double guide through the guide piece and the first guide sleeve respectively, so that the accuracy of the alignment of the punch can be ensured, and the alignment precision is improved; 3. when the punch punches, the punch can be subjected to larger radial force, but the guide piece is arranged above the punching position, the first guide sleeve is arranged below the punching position, the guide piece and the first guide sleeve play a role in stabilizing and reinforcing the punch, and part of radial force of the punch can be removed, so that the punch is protected, the punch is not easy to deform or damage, and the service life of the punch is prolonged.

The preferred embodiment of the utility model is as follows: the guide piece is a second guide sleeve, or a guide plate provided with a first guide hole, or an assembly of the second guide sleeve and the guide plate, wherein the second guide sleeve is nested in the guide plate.

The beneficial effects are that: in the utility model, the guide piece can be a second guide sleeve, and the guide piece directly adopts the design of the guide sleeve, thereby being convenient for processing and having low cost; the guide piece can also be a guide plate provided with a first guide hole, and the design of the guide plate is adopted, so that the whole installation is convenient, and the stability is good; the guide piece can also be the sub-assembly of second uide bushing and deflector, the second uide bushing nest in the deflector, this kind of design mode makes the structure of whole guide piece more firm, and the guiding effect is better.

The preferred embodiment of the utility model is as follows: the male die plate is provided with a mounting hole, the punch comprises an upper mounting section and a lower punching section, the upper mounting section stretches into the mounting hole, the upper mounting section is provided with a locking groove, and the upper mounting section and the male die plate are fixedly connected through a first locking piece capable of clamping the locking groove.

The beneficial effects are that: the upper mounting section of the punch is provided with an unlocking slot, and the male die plate is connected with the locking slot in a clamping manner through the first locking piece, so that the punch and the male die plate can be detachably connected, the disassembly and the installation are convenient, and the different punches can be conveniently replaced to be suitable for different punching processes.

The preferred embodiment of the utility model is as follows: a locking sleeve is arranged between the upper mounting section and the mounting hole, a first through hole is formed in the side face of the male die plate, a second through hole is formed in the side face of the locking sleeve, and the first locking piece sequentially penetrates through the first through hole and the second through hole to be clamped into the locking groove to lock the punch, the locking sleeve and the male die plate.

The beneficial effects are that: the upper mounting section and the mounting hole are provided with the locking sleeve, the first locking piece sequentially penetrates through the first through hole and the second through hole to be clamped into the locking groove to lock the punch, the locking sleeve and the male die plate, the upper mounting section and the male die plate are not completely connected in a hard mode, but are connected through the locking sleeve, and therefore when the punch punches, the locking sleeve plays a buffering effect on the upper mounting section of the punch and plays a protection role on the punch.

The preferred embodiment of the utility model is as follows: the top of the upper mounting section is fixedly provided with a punch top plate, and the punch top plate is fixedly connected with the male die plate through a second locking piece.

The beneficial effects are that: the punch top plate and the male die plate are fixedly connected through the second locking piece, and the whole punch is not only fixed with the male die plate in the lateral direction, but also fixed with the male die plate at the top, so that the punch is connected with the male die plate more firmly and reliably.

The preferred embodiment of the utility model is as follows: the positioning assembly comprises positioning plates with adjustable positioning widths, wherein the positioning plates are arranged on two sides of the punch symmetrically, a plurality of positioning holes or waist-shaped holes are formed in the positioning plates along the width adjusting direction, connecting holes are formed in the guide pieces, and the guide pieces and the positioning plates are fixed through the fixing pieces connected in the connecting holes and the positioning holes or the guide pieces and the positioning plates are fixed through the fixing pieces connected in the connecting holes and the waist-shaped holes.

The beneficial effects are that: the two positioning plates play a role in positioning the workpiece to be punched, so that the position of each punching is consistent, the width between the two positioning plates is adjustable, and the workpiece with different sizes can be positioned by adjusting the width between the two positioning plates, so that the application range is wide. The method specifically comprises the following steps: 1. the design that a plurality of positioning holes or waist-shaped holes are formed in the positioning plates along the width adjusting direction can realize the width adjustment between the two positioning plates by fixing the fixing piece in different positioning holes or at different positions of the waist-shaped holes; 2. after the width between the two positioning plates is adjusted, the fixed connection of the guide piece and the positioning plates can be realized only through the fixing piece, so that the guide piece is convenient to install.

The preferred embodiment of the utility model is as follows: the solar template is characterized by further comprising a lower cutter which is fixedly arranged below the solar template and an upper cutter which is arranged in a staggered manner with the lower cutter, wherein the solar template is provided with a mounting groove, the upper section of the upper cutter is positioned in the mounting groove, and an elastic piece is arranged between the upper section of the upper cutter and the groove wall of the mounting groove.

The beneficial effects are that: through setting up down sword and last sword, can realize the cutting off of work piece when the work piece is accomplished the punching a hole to the last sword is installed on the positive template, need not to additionally set up power like this, can accomplish the action of cutting off through the up-and-down motion of positive template, is equipped with the elastic component between the upper segment of last sword and the cell wall of mounting groove, makes the last sword have the buffering when waiting to cut off the work piece contact, avoids the last sword and waiting to cut off the direct hard contact of work piece, and the last sword is difficult for damage or rolls over the section, plays the guard action to the last sword.

The preferred embodiment of the utility model is as follows: the lower section of the upper cutter is provided with a first inclined plane, a cutting and propping block is arranged at the lateral direction of the upper cutter, the end face of the cutting and propping block is provided with a second inclined plane which can prop against the first inclined plane, and the cutting and propping block is connected with a power assembly arranged on the male template.

The beneficial effects are that: when the upper cutter cuts off the workpiece downwards, the second inclined plane of the cutting and propping block is propped against the first inclined plane of the lower section of the upper cutter, so that the upper cutter is more firmly cut off, the cutter is not easy to damage, and the cutting is easier. The power component is arranged on the male template, so that the structure is more compact and the installation is more convenient.

The preferred embodiment of the utility model is as follows: the automatic punching machine comprises a machine frame, and is characterized by further comprising a machine frame, wherein the machine frame comprises a bottom plate and a power mounting plate positioned on the upper portion of the bottom plate, blanking holes corresponding to punching head through holes are formed in the bottom plate, a plurality of vertical plates are connected between the bottom plate and the power mounting plate, step clamping grooves are formed in the side faces of the bottom plate and the power mounting plate, the upper ends and the lower ends of the vertical plates are respectively provided with an 'I' -shaped mounting section clamped with the step clamping grooves, and the 'I' -shaped mounting section is fixed with the bottom plate and the power mounting plate through fixing pieces.

The beneficial effects are that: the side of bottom plate and power mounting panel all open there is the ladder draw-in groove the upper end and the lower extreme of riser all are equipped with the "worker" type installation segment with ladder draw-in groove block, and the riser is through upper and lower design "worker" type installation segment respectively with the ladder draw-in groove block on bottom plate and the power mounting panel earlier, then the rethread mounting is fixed with bottom plate and the power mounting panel respectively for the holistic connection of frame is more firm, and convenient to detach.

The preferred embodiment of the utility model is as follows: the punching assembly further comprises a guide post which is fixedly arranged, a second guide hole is formed in the male template, and the guide post is arranged in the second guide hole in a penetrating mode and is in sliding fit with the male template.

The beneficial effects are that: through the guide post, when the positive template moves, the positive template is guided, so that the movement of the positive template is more stable, and the positive template drives the punch to punch and align more accurately.

Drawings

FIG. 1 is a schematic perspective view of a punching machine according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a punch showing the connection structure of a male die plate and a punch;

FIG. 3 is a schematic view of a cutting structure of a punch according to an embodiment of the present utility model.

Detailed Description

The following description of the preferred embodiments of the present utility model is provided in connection with the accompanying drawings, and it should be understood that the preferred embodiments described below are for illustration only and are not intended to limit the scope of the present utility model.

The terms first, second and the like in the description, in the claims, and in the embodiments, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The utility model is further described in detail below with reference to the preferred embodiments:

reference numerals in the drawings of the specification include: the device comprises a bottom plate 1, a step clamping groove 101, a power mounting plate 2, a vertical plate 3, an 'I' -shaped mounting section 301, a bolt 4, an oil cylinder 5, a workpiece 6, a male die plate 7, a guide post 8, a punch 9, a locking sleeve 10, a punch top plate 11, a set screw 12, a guide plate 13, a second guide sleeve 14, a female die seat 15, a first guide sleeve 16, a positioning plate 17, a centering strip 18, a protection plate 19, a lower knife 20, an upper knife 21, an elastic piece 22, a first inclined surface 23, a cutting and jacking block 24, a cutting mounting plate 25, an air cylinder 26, a telescopic rod 27 and a connecting block 28.

As shown in fig. 1 and 2: the embodiment discloses a punching machine, including frame, power component, punching component and locating component.

The frame includes bottom plate 1 and is located power mounting panel 2 on bottom plate 1 upper portion open on bottom plate 1 have the blanking hole that corresponds with the drift through-hole, be equipped with guard plate 19 respectively in the upper portion of bottom plate 1 and be located the both sides of female die holder 15, be connected with a plurality of risers 3 between bottom plate 1 and power mounting panel 2, in this embodiment the quantity of riser 3 is four, four riser 3 equipartitions are around bottom plate 1, and riser 3 and bottom plate 1 and power mounting panel 2's connected mode is: the side of the base plate 1 and the side of the power mounting plate 2 are provided with step clamping grooves 101, the upper end and the lower end of the vertical plate 3 are provided with I-shaped mounting sections clamped with the step clamping grooves 101, the I-shaped mounting sections are fixed with the base plate 1 and the power mounting plate 2 through fixing pieces, in the embodiment, the concrete fixing pieces are bolts 4, and the I-shaped mounting sections are detachably connected with the base plate 1 and the power mounting plate 2 through the bolts 4.

In this embodiment, the power assembly includes an oil cylinder 5 mounted on the upper portion of the power mounting plate 2, and a connection spindle fixed with a piston rod of the oil cylinder 5 is disposed on the lower portion of the oil cylinder 5.

In this embodiment, the punching assembly includes a male die plate 7, the lower part of the connecting spindle is fixed at the middle position of the upper part of the male die plate 7, two guide posts 8 are symmetrically arranged at two sides of the connecting spindle, the guide posts 8 are fixed on the power mounting plate 2, a second guide hole is formed in the male die plate 7, and the guide posts 8 are arranged in the second guide hole in a penetrating manner and are in sliding fit with the male die plate 7.

A plurality of punches 9 are arranged at the lower part of the male die plate 7, in this embodiment, four punches 9 are preferable, and the specific connection mode between the punches 9 and the male die plate 7 is as follows: the male die plate 7 is respectively provided with mounting holes corresponding to the punches 9, each punch 9 comprises an upper mounting section and a lower punching section, the upper mounting section stretches into the mounting hole, a locking groove is formed in the upper mounting section, and the upper mounting section and the male die plate 7 are fixedly connected through a first locking piece capable of clamping the locking groove. More specifically, a locking sleeve 10 is arranged between the upper mounting section and the mounting hole, a plurality of first through holes are formed in the side face of the male die plate 7, a plurality of second through holes are uniformly distributed in the circumferential direction of the side face of the locking sleeve 10, and each first locking piece sequentially penetrates through one first through hole and one second through hole to be clamped into the locking groove so as to lock the punch 9, the locking sleeve 10 and the male die plate 7. Further, a punch top plate 11 is fixed to the top of the upper mounting section, and the punch top plate 11 and the male die plate 7 are fixedly connected through a second locking member. In this embodiment, the first locking member and the second locking member are set screws 12.

By adopting the connection mode of the punch 9 and the male die plate 7, the installation process of the punch 9 is as follows: firstly, the upper mounting section of the punch 9 and the punch top plate 11 are placed into a mounting hole, then the second locking piece is screwed in to position the punch 9, the locking sleeve 10 is clamped between the upper mounting section and the mounting hole, and finally the first locking piece is screwed in until the inner end face of the first locking piece is clamped into the locking groove, so that the punch 9, the locking sleeve 10 and the male die plate 7 are locked and fixed. The removal process of the punch 9 is as follows: the first locking piece is unscrewed, the second locking piece is unscrewed, the punch 9 is pulled out of the mounting hole, and the punch 9 and the locking sleeve 10 can be detached from the male die plate 7 together.

In this embodiment, the punching assembly further includes a female die holder 15 disposed corresponding to the male die plate 7, the female die holder 15 is fixed on the bottom plate 1, two protection plates 19 are respectively disposed on two sides of the female die holder 15, a punch through hole is formed in the female die holder 15, a first guide sleeve 16 for guiding the punch 9 is disposed in the punch through hole, and the punch 9 can be slidably matched with the first guide sleeve 16.

In this embodiment, the punching assembly further includes a guide member located between the male die plate 7 and the female die holder 15 for guiding the punch 9, where the guide member may be a second guide sleeve 14, or may be a guide plate 13 with a first guide hole formed therein, or may be an assembly of the second guide sleeve 14 and the guide plate 13, where the second guide sleeve 14 is nested in the guide plate 13, and in this embodiment, the guide member is preferably an assembly of the second guide sleeve 14 and the guide plate 13, and the second guide sleeve 14 is nested in the guide plate 13.

In this embodiment, the connection mode between the first guide sleeve 16 and the female die holder 15 and the connection mode between the second guide sleeve 14 and the guide plate 13 are the same, and the two guide sleeves are detachably connected by screws of set screws 12 uniformly distributed on the side surfaces.

According to the utility model, the guide piece is arranged between the male die plate 7 and the female die seat 15, the punch through hole is arranged on the female die seat 15, the first guide sleeve 16 is arranged in the punch through hole, and in the punching process of the punch 9, the punch 9 is subjected to double guide through the guide piece and the first guide sleeve 16 respectively, so that the accurate alignment of the punch 9 can be ensured, and the alignment precision is improved; when the punch 9 punches a hole, although the punch 9 can be subjected to larger radial force, as the guide piece is arranged above the punching position and the first guide sleeve 16 is arranged below the punching position, the guide piece and the first guide sleeve 16 play a role in stabilizing and reinforcing the punch 9, and part of radial force of the punch 9 can be removed, so that the punch 9 is not easy to deform or damage, and the service life of the punch 9 is prolonged.

In this embodiment, the locating component includes locating plate 17 that is located the adjustable location width that punch 9 bilateral symmetry set up, and locating plate 17 is located guard plate 19 upper portion, and the installation department of guide is located locating plate 17 upper portion, and guard plate 19, locating plate 17 and the installation department of guide adopt the detachable connection mode to connect. The method specifically comprises the following steps: the locating plate 17 is provided with a plurality of locating holes along the width adjusting direction, in this embodiment, three locating holes are preferably arranged, the guide piece is provided with a connecting hole, the protection plate 19 is also provided with a connecting hole, the guide piece and the locating plate 17 are fixed on the protection plate 19 through the fixing piece connected in the connecting hole and the locating hole, in this embodiment, the fixing piece is a bolt 4, and when the width between the two locating plates 17 needs to be adjusted, the fixing piece is only required to be connected in different locating holes. In another embodiment, the positioning plate 17 is provided with a waist-shaped hole, the guide member and the positioning plate 17 are fixed on the protection plate 19 by fixing members connected to the connecting hole and the waist-shaped hole, the fixing members are bolts 4, and when the width between the two positioning plates 17 needs to be adjusted, the fixing members only need to be connected at different positions in the waist-shaped hole.

In this embodiment, a detachable centering strip 18 is disposed between two positioning plates 17 on the base plate 1, and the centering strip 18 is connected with the base plate 1 by using a bolt 4. The centering strips 18 are arranged, when the side edges of the plates are punched, the centering strips 18 are installed, two plates are respectively positioned through the positioning plates 17 on the two sides and the centering strips 18 in the middle, so that the punching of the side edges of the two plates can be completed by one-time punching, the efficiency is greatly improved, and when the side edges of the plates are not required to be punched, the centering strips 18 are detached to be used for punching other plates.

The punching machine of this embodiment still includes the fixed lower sword 20 that sets up that is located the positive template below, and lower sword 20 is specifically fixed on the bottom plate to be located punching machine feeding or ejection of compact department, upper sword 21 and lower sword 20 dislocation set up open on the positive template has vertical mounting groove, the upper segment of upper sword 21 is located in the mounting groove is equipped with elastic component 22 between the upper segment of upper sword 21 and the cell wall of mounting groove, and this embodiment is preferably elastic component 22 and is the spring, more specifically, the spring can be the tip and wear flat supporting spring tightly.

The lower section of the upper cutter 21 is provided with a first inclined plane 23, a cutting and propping block 24 is arranged at the lateral direction of the upper cutter 21, the end surface of the cutting and propping block 24 is provided with a second inclined plane which can prop against the first inclined plane 23, and the cutting and propping block 24 is connected with a power assembly arranged on the male template. Specifically, the side of the male die plate is provided with a cutting mounting plate 25, the power assembly comprises a cylinder 26 mounted on the side of the cutting mounting plate 25 and a telescopic rod 27 extending out of the cylinder 26, the telescopic rod 27 is provided with a connecting block 28, and the connecting block 28 is connected with the cutting tightening block 24.

The preferred embodiments of the present application have been described in detail with reference to the accompanying drawings, in which typical known structures and common general knowledge are not described in any way, and those skilled in the art can complete and practice the technical solution of the present application with their own capabilities in light of the present disclosure, and some typical known structures, known methods or common general knowledge should not be taken as an obstacle for a person of ordinary skill in the art to practice the present application.

The scope of protection of the present application shall be subject to the content of the claims, the content of the utility model, the detailed description and the drawings of the specification are used for explaining the claims.

Several modifications can be made to the embodiments of the present application within the technical concept of the present application, and the modified embodiments should also be considered as being within the scope of the present application.

Claims

1. A punch comprising a punch assembly, characterized in that: the punching assembly comprises a male die plate, a female die seat, a guide piece and a plurality of punches, wherein the guide piece is positioned between the male die plate and the female die seat and used for guiding the punches, the punches are arranged on the male die plate, punch through holes are formed in the female die seat, first guide sleeves used for guiding the punches are arranged in the punch through holes, and the punches can be in sliding fit with the first guide sleeves.

2. The punching machine as in claim 1, wherein: the guide piece is a second guide sleeve, or a guide plate provided with a first guide hole, or an assembly of the second guide sleeve and the guide plate, wherein the second guide sleeve is nested in the guide plate.

3. A punching machine according to claim 1 or 2, characterized in that: the male die plate is provided with a mounting hole, the punch comprises an upper mounting section and a lower punching section, the upper mounting section stretches into the mounting hole, the upper mounting section is provided with a locking groove, and the upper mounting section and the male die plate are fixedly connected through a first locking piece capable of clamping the locking groove.

4. A punch as claimed in claim 3, wherein: a locking sleeve is arranged between the upper mounting section and the mounting hole, a first through hole is formed in the side face of the male die plate, a second through hole is formed in the side face of the locking sleeve, and the first locking piece sequentially penetrates through the first through hole and the second through hole to be clamped into the locking groove to lock the punch, the locking sleeve and the male die plate.

5. A punch as claimed in claim 3, wherein: the top of the upper mounting section is fixedly provided with a punch top plate, and the punch top plate is fixedly connected with the male die plate through a second locking piece.

6. A punching machine according to claim 1 or 2, characterized in that: the positioning assembly comprises positioning plates which are symmetrically arranged at two sides of the punch and can adjust the positioning width; the positioning plate is provided with a plurality of positioning holes or waist-shaped holes along the width adjusting direction, the guide piece is provided with a connecting hole, and the guide piece and the positioning plate are fixed through the fixing piece connected in the connecting hole and the positioning hole or the fixing piece and the positioning plate are fixed through the fixing piece connected in the connecting hole and the waist-shaped hole.

7. The punching machine as in claim 1, wherein: the solar template is characterized by further comprising a lower cutter which is fixedly arranged below the solar template and an upper cutter which is arranged in a staggered manner with the lower cutter, wherein the solar template is provided with a mounting groove, the upper section of the upper cutter is positioned in the mounting groove, and an elastic piece is arranged between the upper section of the upper cutter and the groove wall of the mounting groove.

8. The punch as recited in claim 7, wherein: the lower section of the upper cutter is provided with a first inclined plane, a cutting and propping block is arranged at the lateral direction of the upper cutter, the end face of the cutting and propping block is provided with a second inclined plane which can prop against the first inclined plane, and the cutting and propping block is connected with a power assembly arranged on the male template.

9. The punching machine as in claim 1, wherein: the automatic punching machine comprises a machine frame, and is characterized by further comprising a machine frame, wherein the machine frame comprises a bottom plate and a power mounting plate positioned on the upper portion of the bottom plate, blanking holes corresponding to punching head through holes are formed in the bottom plate, a plurality of vertical plates are connected between the bottom plate and the power mounting plate, step clamping grooves are formed in the side faces of the bottom plate and the power mounting plate, the upper ends and the lower ends of the vertical plates are respectively provided with an 'I' -shaped mounting section clamped with the step clamping grooves, and the 'I' -shaped mounting section is fixed with the bottom plate and the power mounting plate through fixing pieces.

10. The punching machine as in claim 1, wherein: the punching assembly further comprises a guide post which is fixedly arranged, a second guide hole is formed in the male template, and the guide post is arranged in the second guide hole in a penetrating mode and is in sliding fit with the male template.