CN210847910U

CN210847910U - Punching machine with inner side punching

Info

Publication number: CN210847910U
Application number: CN201921874496.XU
Authority: CN
Inventors: 孙碧波
Original assignee: Ruian Jingran Auto Parts Co ltd
Current assignee: Ruian Jingran Auto Parts Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-26
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to an inboard piercing press that punches a hole, which comprises a frame, be provided with the lower bolster in the frame, be provided with the edge of a knife on the lower bolster, punching pin and fixing base, edge of a knife fixed mounting is in last mould, the vertical upside of edge of a knife is provided with the face of placing and the edge of a knife along vertical setting of the product periphery surface shape size looks adaptation that punches a hole that needs to punch a hole, the fixing base sets up in the bed die along vertical sliding, the punching pin is fixed to be set up in the fixing base, the punching pin is provided with the end that punches a hole of shape size and the looks adaptation of waiting to punch a hole towards edge of a knife side, and wait to punch a hole and lie in the orbit that slides of punching a hole end. By adopting the scheme, the punching machine capable of punching the inner side is provided, the periphery of a product is installed on the knife edge, so that a punch can punch holes inwards and outwards, waste materials are guaranteed to be discharged out of the product in the punching process, and interference of the waste materials on production of the product is prevented.

Description

Punching machine with inner side punching

Technical Field

The utility model relates to an automobile parts's punching equipment, concretely relates to piercing press that inboard punched a hole.

Background

The punching process is a common process for producing automobile parts, and a punching machine is used for punching and extruding a specific position on the automobile part, so that a hole site with a specific shape is formed for assembly and functional use.

The existing punching machine comprises a rack, wherein a knife edge fixing plate and a punch fixing plate are respectively installed on the rack in a bolt mode and the like, in addition, a knife edge is installed on a knife edge fixing seat, a mounting end matched with the shape and the size of the inner periphery of a product to be punched is arranged in a protruding mode of the knife edge, the outer periphery of the mounting end is sleeved with the product fixing seat, in addition, a punch with a specific shape to be punched is arranged on the mounting end, a punch matched with the shape and the size of the punch to be punched is installed on the corresponding punch fixing plate, and the punch can be arranged on the punch fixing plate in a sliding mode.

The problem that current piercing press exists lies in: after the product is sleeved on the periphery of the mounting end, the punch can only punch inwards on the outer side of the product, so punching waste cannot be discharged out of the knife edge in time due to being positioned in the product, the punching waste can be accumulated in the knife edge, the accumulation of the waste can interfere the operation of the punch and the processing of the product, the punch and the knife edge are damaged, and the production quality of the product is low.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a install the product periphery to the edge of a knife for work of punching a hole outwards including the punching pin, thereby guarantee that the waste material just outside by the product of discharging at the in-process of punching a hole, prevent the piercing press that the waste material punched a hole to an inboard of the interference of product production.

In order to achieve the above purpose, the utility model provides a following technical scheme: the punching die comprises a frame, the fixed lower bolster that is provided with in the frame, be provided with the edge of a knife that is used for the product that needs punch a hole on the lower bolster, be used for the product that needs punch a hole the punching die and be used for the fixing base of fixed mounting punching die, edge of a knife fixed mounting is in the lower mould, the vertical upside of edge of a knife is provided with and remains to punch a hole along vertical setting with the face of placing of the product periphery surface shape size looks adaptation that needs punch a hole and edge of a knife, the fixing base sets up in the lower mould along vertical sliding, the punching die is fixed to be set up in the fixing base, the punching die is provided with the end of punching a hole of shape size and waiting to punch a hole looks adaptation towards edge of a knife side, and waits to punch a hole and is located the sliding track of punching end.

By adopting the technical scheme, the setting of the placing surface on the edge of a knife, make the product periphery that needs punch a hole place on the placing surface and realize the installation, consequently, the just accessible setting of end that punches a hole of punching the punch makes the inner space that is located the product when initial position, make the punch along vertical when punching a hole downwards, directly will punch a hole the waste material and dash away from the product, guaranteed that follow-up waste material that punches a hole does not play the influence to the product and improved the production quality of product, in addition, punch a hole outwards alright prolong the stroke of punch, make more improving the quality of punching a hole completely of punching a hole, and the waste material can be through the timely convenient waste material discharge of multiple methods such as opening outward, make the waste material difficult to pile up and make clear more convenient, play the guard action to tool nose and.

The utility model discloses further set up to: the fixing base is provided with the end of sliding towards the side of lower mould, the bed die is provided with the groove of sliding with the end shape size looks adaptation that slides, the end of sliding slides and sets up in the inslot that slides.

Through adopting above-mentioned technical scheme, the end that slides plays the effect of direction in the inslot that slides to realize that the fixing base drives punching pin more stable accurate work of punching a hole.

The utility model discloses further set up to: the fixing base is located vertical top and is provided with the punching press face that supplies the punching press atress, the punching press face is the same along vertical projection with the groove of sliding along vertical projection, the groove of sliding is located the vertical compression below of the end of sliding and is provided with the reset spring who resets the fixing base along vertical upwards.

By adopting the technical scheme, 1, the stamping surface is arranged, so that the stamping surface can be acted by driving equipment such as a press machine, the fixed seat can be punched downwards under the action of the driving equipment, and the reset spring is used for resetting to the initial position to prepare for punching next time after the punching is finished; 2. the projection of the stamping surface in the vertical direction is the same as the vertical projection of the sliding groove, so that the action of the driving device on the stamping surface can not generate bending moment on the fixed seat, and the sliding smoothness of the fixed seat is ensured.

The utility model discloses further set up to: the vertical below that the groove that slides is located the end that slides is provided with the rubber buffer layer.

Through adopting above-mentioned technical scheme, the setting of rubber buffer layer then makes fixing base downstream can receive rubber buffer layer's cushioning effect and can't collide with frame metal, plays the guard action to the frame.

The utility model discloses further set up to: the fixed seat is internally provided with a mounting groove matched with the punch in shape and size, the mounting groove is provided with a penetrating port penetrating the fixed seat towards the knife edge side and a penetrating port penetrating the fixed seat away from the knife edge side, the punch is arranged in the mounting groove in a sliding manner along the axial direction, a positioning fixture block in a semi-circular cylindrical shape is arranged on the periphery of the punch, the installation groove is provided with an insertion track which is matched with the positioning fixture block in shape and size at the side of the penetration, the installation groove is provided with a rotating track for the positioning fixture block to rotate along the circumferential direction of the punch at the side of the insertion track deviating from the penetration port, the length of the rotary track along the axial direction of the punch is the same as that of the positioning fixture block along the axial direction of the punch, the insertion track and the rotary track are internally provided with a semi-circular cylindrical fixed insertion block in a sliding mode, and the length of the fixed insertion block along the axial direction of the punch is larger than that of the rotary track along the axial direction of the punch.

By adopting the technical scheme, 1, the installation groove is provided with an installation position for the punch; 2. the penetrating port and the penetrating port are arranged, so that a punch penetrates into the mounting groove from the penetrating port, and the punching end penetrates out from the penetrating port to enter a preset position for punching; 3. the positioning fixture block is arranged to be matched with the insertion track and the rotating track, so that the punch enters the rotating track along with the positioning fixture block and rotates along the rotating track to be dislocated with the insertion track, and the positioning effect is realized; 4. the fixed insert blocks are arranged and inserted into the rotating track and the inserting track through the fixed insert blocks, so that the part of the fixed insert blocks in the rotating track is matched with the positioning fixture blocks to fill the rotating track, and then the fixed insert blocks cannot rotate along the circumferential direction because part of the fixed insert blocks are positioned in the inserting track, so that the mounting stability of the positioning fixture blocks and the punch is ensured; 5. the assembly looseness can occur due to long-time work, the fixed inserting block is a part which is firstly loosened, and the positioning clamping block and the punch can not move before the fixed inserting block is completely separated from the rotating track, so that the mounting stability is ensured, and the impact damage caused by sudden looseness and dislocation of the punch is prevented.

The utility model discloses further set up to: the lower template is located the mounting groove and is provided with the anticreep baffle that prevents fixed inserted block slip and break away from the insertion track towards penetrating mouthful side.

Through adopting above-mentioned technical scheme, the stability of fixed inserted block installation has then further been guaranteed in the setting of anticreep baffle, prevents that fixed inserted block from deviating from and leading to the punching pin to take place the deviation.

The utility model discloses further set up to: the lower die is provided with a knife edge inserting end, the shape and the size of the knife edge inserting end are matched, and the knife edge inserting end is inserted into the knife edge inserting groove.

By adopting the technical scheme, the knife edge inserting end is inserted and matched in the knife edge slot, so that the inserting and positioning are more accurate.

The invention is further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a front cross-sectional view of an embodiment of the present invention;

FIG. 2 is a top partial cross-sectional view of an embodiment of the present invention;

FIG. 3 is a right side cross-sectional view of an embodiment of the present invention;

FIG. 4 is a front cross-sectional view of a knife edge in an embodiment of the present invention;

FIG. 5 is a top view of a knife edge in an embodiment of the present invention;

FIG. 6 is a right side view of a knife edge in an embodiment of the present invention;

FIG. 7 is an exploded view of the punch, the fixing base and the fixing insert according to the embodiment of the present invention;

fig. 8 is an exploded view of the punch and the fixed insert according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1-3, the utility model discloses a punching machine for punching holes on inner side, which comprises a frame 1, a lower template 11 with square shape is fixedly arranged above the frame 1 by means of bolts and the like, a knife edge 2, a fixed seat 3 and an anti-drop baffle 4 are sequentially arranged above the lower template 11 from left to right, wherein, in combination with figures 4-6, the knife edge 2 is fixedly arranged on the lower die by means of bolts and the like, the knife edge 2 is vertically and convexly provided with a knife edge inserting end 21 towards the lower side for integral forming, correspondingly, the lower die is provided with a knife edge slot 111 with the shape and the size matched with the knife edge inserting end 21, so that the knife edge inserting end 21 is inserted into the knife edge slot 111, thereby further ensuring the stability of the installation of the knife edge 2, in addition, the vertical upper side of the knife edge 2 is provided with a semi-circular arc-shaped placing surface 22, and the shape and the size of the placing surface 22, the right side of the knife edge 2 is provided with a hole 23 to be punched in the vertical direction, the shape and size of the hole 23 to be punched are matched with the shape and size of a hole site to be punched, therefore, the periphery of a product 9 to be punched can be placed on the placing surface 22, the position to be punched is placed on the vertical track of the hole 23 to be punched, in addition, the fixed seat 3 is integrally formed with a square sliding end 31 towards the lower end in the vertical direction, the corresponding lower die is provided with a sliding groove 112 matched with the shape and size of the sliding end 31, the sliding end 31 slides in the sliding groove 112 to drive the fixed seat 3 to slide in the vertical direction, thereby the punch 5 is fixedly arranged on the fixed seat 3 to realize the effective sliding of the punch 5 in the vertical direction, in addition, the punch 5 is convexly provided with a punching end 51 matched with the shape and size of the hole 23 to be punched towards the knife edge 2 side in an integrated forming manner, and the hole 23 to be punched, and the position of fixing base 3 sets up to initial position 32 when being located product 9 inboard with punching end 51, consequently, along the vertical in-process that slides of punching pin 5, alright drive punching end 51 to treating 23 that punches a hole towards, make punching end 51 inside product 9 from inside to outside the shaping of punching a hole, make the waste material just break away from product 9 at the in-process that punches a hole, the subsequent processing of convenient waste material just eliminates the influence of waste material to product 9 processing.

Preferably, the fixing seat 3 in this embodiment is provided with a square stamping surface 33 vertically above, so that a driving device (not shown in the drawings) such as a press machine can act on the stamping surface 33 to realize the movement of the fixing seat 3 in the vertical direction, and correspondingly, the sliding groove 112 is provided with the return spring 6 in a manner of being compressed vertically below the sliding end 31, so that after the driving device withdraws the action on the stamping surface 33, the return spring 6 pushes the fixing seat 3 upwards to perform the resetting operation.

Preferably, the vertical projection of the stamping surface 33 in this embodiment is the same as the vertical projection of the sliding groove 112, so that the action of the driving device on the stamping surface 33 does not produce bending moment on the fixing seat 3, thereby ensuring the smoothness of sliding of the fixing seat 3.

Preferably, the rubber buffer layer 7 is disposed in the sliding groove 112 in the embodiment and vertically below the sliding end 31, and the rubber buffer layer 7 is extruded between the lower mold and the frame 1 to achieve fixed installation, so that the fixing seat 3 can move downward to be buffered by the rubber buffer layer 7 and cannot collide with the frame 1, thereby protecting the frame 1.

Referring to fig. 7-8, in the embodiment, a mounting groove 34 adapted to the peripheral shape and size of the punch 5 is provided in the fixing base 3, and the axial direction of the mounting groove 34 is from left to right, in addition, the right side of the mounting groove 34 is provided with a through hole 35 through the fixing base 3 toward the knife edge 2 side and is provided with a through hole 36 through the fixing base 3 toward the left side away from the knife edge 2 side, so that the punch 5 penetrates into the mounting groove 34 from the through hole 36 and penetrates through the through hole 35 from the right side, so that the punching end 51 reaches the mounting position, in addition, a positioning fixture block 52 having a semi-circular cylindrical shape is integrally formed on the periphery of the axial middle portion of the punch 5, and correspondingly, the mounting groove 34 is provided with an insertion rail 37 adapted to the shape and size of the positioning fixture block 52 extending toward the through hole 35 from the through hole 36 side, so that when the punch 5 slides and mounts along the mounting groove 34, in addition, the installation groove 34 is located on the side of the insertion track 37, which deviates from the insertion port 36, and extends in the axial direction towards the insertion port 35 to form a rotating track 38 for the positioning fixture block 52 to rotate along the circumferential direction of the punch 5, and the length of the rotating track 38 in the axial direction of the punch 5 is the same as that of the positioning fixture block 52 in the axial direction of the punch 5, so that after the positioning fixture block 52 completely enters the rotating track 38, the positioning fixture block 52 can be dislocated from the insertion track 37 through rotation, and therefore, the axial fixing effect of the punch 5 can be achieved.

Preferably, the insertion rail 37 and the rotation rail 38 in this embodiment are provided with the semi-circular cylindrical fixed insert 8 slidably inside, and the length of the fixed insert 8 in the axial direction of the punch 5 is equal to the sum of the lengths of the insertion rail 37 and the rotation rail 38 in the axial direction of the punch 5. Therefore, the part of the fixed insert 8 in the rotating track 38 is matched with the positioning fixture block 52 to fill the rotating track 38, and then the fixed insert 8 cannot rotate along the circumferential direction because the part of the fixed insert 8 is located in the inserting track 37, so that the installation stability of the positioning fixture block 52 and the punch 5 is ensured.

Preferably, the anti-falling baffle 4 in this embodiment is fixedly installed on the side of the penetrating port 36 through bolts and other manners, and the anti-falling baffle 4 seals the penetrating port 36, so that the fixed inserting block 8 cannot be separated from the fixed seat 3, and the limiting effectiveness is ensured.

Claims

1. The utility model provides an inboard piercing press which punches a hole which characterized in that: the punching die comprises a frame, the fixed lower bolster that is provided with in the frame, be provided with the edge of a knife that is used for the product that needs punch a hole on the lower bolster, be used for the product that needs punch a hole the punching die and be used for the fixing base of fixed mounting punching die, edge of a knife fixed mounting is in the lower mould, the vertical upside of edge of a knife is provided with and remains to punch a hole along vertical setting with the face of placing of the product periphery surface shape size looks adaptation that needs punch a hole and edge of a knife, the fixing base sets up in the lower mould along vertical sliding, the punching die is fixed to be set up in the fixing base, the punching die is provided with the end of punching a hole of shape size and waiting to punch a hole looks adaptation towards edge of a knife side, and waits to punch a hole and is located the sliding track of punching end.

2. The inside piercing punch of claim 1, wherein: the fixing base is provided with the end of sliding towards the side of lower mould, the bed die is provided with the groove of sliding with the end shape size looks adaptation that slides, the end of sliding slides and sets up in the inslot that slides.

3. The inside piercing punch of claim 2, wherein: the fixing base is located vertical top and is provided with the punching press face that supplies the punching press atress, the punching press face is the same along vertical projection with the groove of sliding along vertical projection, the groove of sliding is located the vertical compression below of the end of sliding and is provided with the reset spring who resets the fixing base along vertical upwards.

4. An inside punch press as claimed in claim 3 wherein: the vertical below that the groove that slides is located the end that slides is provided with the rubber buffer layer.

5. The inside piercing punch of claim 1, wherein: the fixed seat is internally provided with a mounting groove matched with the punch in shape and size, the mounting groove is provided with a penetrating port penetrating the fixed seat towards the knife edge side and a penetrating port penetrating the fixed seat away from the knife edge side, the punch is arranged in the mounting groove in a sliding manner along the axial direction, a positioning fixture block in a semi-circular cylindrical shape is arranged on the periphery of the punch, the installation groove is provided with an insertion track which is matched with the positioning fixture block in shape and size at the side of the penetration, the installation groove is provided with a rotating track for the positioning fixture block to rotate along the circumferential direction of the punch at the side of the insertion track deviating from the penetration port, the length of the rotary track along the axial direction of the punch is the same as that of the positioning fixture block along the axial direction of the punch, the insertion track and the rotary track are internally provided with a semi-circular cylindrical fixed insertion block in a sliding mode, and the length of the fixed insertion block along the axial direction of the punch is larger than that of the rotary track along the axial direction of the punch.

6. An inside punch press as claimed in claim 5 wherein: the lower template is located the mounting groove and is provided with the anticreep baffle that prevents fixed inserted block slip and break away from the insertion track towards penetrating mouthful side.

7. The inside piercing punch of claim 1, wherein: the lower die is provided with a knife edge inserting end, the shape and the size of the knife edge inserting end are matched, and the knife edge inserting end is inserted into the knife edge inserting groove.