Continuous die inner punching and deburring mechanism and continuous die machining equipment

Abstract

The utility model relates to a punching and deburring mechanism in a continuous die and continuous die processing equipment. The technical problem that an existing punching and deburring device is unreasonable in design is solved. The continuous in-mold punching and deburring mechanism comprises a rack, an upper mold base and a lower mold base which are vertically arranged on the rack in a spaced mode, a conveying channel arranged above the lower mold base in the length direction in a conveying mode, and a punching driver for driving the upper mold base and the lower mold base to be subjected to mold closing. The multiple punching assemblies are arranged in the length direction of the lower die base at intervals, and each punching assembly comprises a punching head arranged on the upper die base and a punching hole formed in the lower die base and matched with the punching head; the air blowing assembly comprises an air blowing hole formed in the inner side of the punching hole and an air blowing driver connected with the air blowing hole. According to the continuous in-film punching and deburring mechanism, the working efficiency is improved, and the problem that negative pressure adsorption is generated between punching waste and the punching head is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to continuous die die -cutting field relates to a continuous film in die -cutting deburring mechanism and continuous die processing equipment. BACKGROUND

[0002] For example, Chinese patent document discloses a kind of stamping synchronous deburring equipment [201611084607.8], stamping synchronous deburring equipment includes upper die and lower die in continuous die, upper die is equipped with punch;Lower die is provided with insert group, insert group includes die slide block, slide block pad, wedge;Die slide block is provided with blanking working hole, the upper end burr step of blanking working hole, the upper end surface of burr step is provided with chamfer of deburring;Punch includes shear punch and wedge punch.

[0003] The defect of the above technical scheme is that die-cutting and deburring are poor in synchronism, are easily influenced each other, and lack waste treatment generated by die-cutting or deburring. UTILITY MODEL CONTENT

[0004] The utility model aims at the above problems existing in prior art, provide a kind of continuous film in die -cutting deburring mechanism and continuous die processing equipment.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] The continuous film in die -cutting deburring mechanism includes:

[0007] Frame, upper die seat and lower die seat are vertically and spaced apart on the frame, a conveying channel is provided above the lower die seat along the length direction, and a stamping driver is arranged to drive the upper die seat and the lower die seat to close;

[0008] Die-cutting assembly, a plurality of which are spaced apart along the length direction of the lower die seat, the die-cutting assembly includes a stamping head provided on the upper die seat, and a die-cutting hole provided on the lower die seat and matched with the stamping head;

[0009] Blowing assembly, including blowing hole opened in the inner side of the die-cutting hole, blowing driver connected with the blowing hole, and displacement slot provided at the end of the stamping head and radially penetrating the circumferential outer wall of the stamping head;

[0010] Deburring assembly, a plurality of which are spaced apart and provided at the rear end corresponding to the die-cutting assembly in the conveying direction, the deburring assembly includes a stamping groove provided on the upper die seat, and a deburring protrusion provided on the lower die seat and matched with the stamping groove, the shape of the deburring protrusion is the same as the shape of the stamping head at the corresponding front end.

[0011] Further, the blowing hole is flush with the end face of the die-cutting hole in which the die head is embedded.

[0012] Further, the circumferential outer wall of the deburring bump is provided with a guide surface, and the outer diameter of the guide surface gradually decreases vertically upward.

[0013] Further, the lower die seat is provided with an air extraction channel communicated with the die-cutting hole, and an air extraction driver connected to the air extraction channel.

[0014] Further, the section shape of the accommodation slot includes any one of a straight slot, a cross slot or a river slot.

[0015] Further, the upper die seat is further provided with a plurality of spaced air channels, the air channels are connected with air blowing pumps, and the output ends of the air channels correspond to the lower die seat.

[0016] Further, the conveying channel includes support columns symmetrically arranged on both sides of the lower die seat and arranged along the length direction of the lower die seat, and the inner side of the support column is provided with a clamping notch.

[0017] Further, one end of the support column is arranged in the lower die seat, and the lower die seat is provided with a spring abutting against the bottom of the support column to force one end of the support column to protrude from the lower die seat.

[0018] The utility model also provides a continuous die processing equipment with the continuous film inner die cutting deburring mechanism.

[0019] Compared with the prior art, the continuous film inner die cutting deburring mechanism can perform die cutting and deburring operations in multiple stations synchronously, improve work efficiency, and force the die cutting waste to separate from the die head by blowing air into the die cutting hole from the side through the blowing hole, and the accommodation slot at the end of the die head reduces the contact area between the die head and the die cutting waste, thereby avoiding the problem of negative pressure adsorption between the die cutting waste and the die head. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A continuous film inner die cutting deburring mechanism and a continuous die processing equipment are provided.

[0021] Figure 2 The continuous film inner die cutting deburring mechanism has a conveying channel. Figure 1

[0022] The continuous film inner die cutting deburring mechanism has a die cutting assembly. Figure 3 Figure 1 The continuous film inner die cutting deburring mechanism has a die cutting assembly.

[0023] Figure 4 Figure 1 ​​A schematic view of a deburring assembly of the continuous film in-punching deburring mechanism.

[0024] In the figure, 10, rack; 11, upper die holder; 12, lower die holder; 13, punching driver; 20, conveying channel; 21, support column; 22, clamping notch; 23, spring; 30, punching assembly; 31, punching head; 32, punching hole; 40, blowing assembly; 41, blowing hole; 42, blowing driver; 43, accommodation slot; 44, air extraction channel; 45, air extraction driver; 50, deburring assembly; 51, punching slot; 52, deburring bump; 53, guide surface; 60, air passage; 61, blowing pump. DETAILED DESCRIPTION

[0025] Embodiment 1, please refer to Figures 1 to 4 A schematic view of a continuous film in-punching deburring mechanism and a continuous die processing equipment provided by the present application. The continuous film in-punching deburring mechanism comprises: a rack 10, an upper die holder 11 and a lower die holder 12 arranged on the rack 10, a punching assembly 30 arranged between the upper die holder 11 and the lower die holder 12, a deburring assembly 50, and a blowing assembly 40 arranged in the punching assembly 30. It is conceivable that the continuous film in-punching deburring mechanism further comprises other functional assemblies and specific structures, such as electrical connection assemblies, control assemblies, mounting structures, etc., which are all known technologies to those skilled in the art, and therefore will not be described in detail here.

[0026] The rack 10 serves as a carrier for assembling various components. In this embodiment, the upper die holder 11 and the lower die holder 12 are vertically spaced apart on the rack 10. The lower die holder 12 is a fixed seat, and the upper die holder 11 is a sliding seat and is vertically slidingly connected with the lower die holder 12. The upper die holder 11 is connected with a punching driver 13. In this embodiment, the punching driver 13 is an oil cylinder, which drives the upper die holder 11 to move towards the lower die holder 12 to finally form a closed die. It is conceivable that a closed die guiding structure is arranged between the upper die holder 11 and the lower die holder 12. The closed die guiding structure is a guide column and a guide slot matched by insertion, which is used to realize precise closed die of the upper die holder 11 and the lower die holder 12 in the vertical direction.

[0027] In the embodiment, a conveying channel 20 is arranged above the lower die seat 12 and is arranged in the length direction for conveying the material sheet to be processed and ensuring the conveying direction of the material sheet to be processed. Specifically, the conveying channel 20 includes support columns 21 arranged symmetrically on both sides of the lower die seat 12 and arranged in the length direction of the lower die seat 12. The inner side of the support column 21 is provided with a clamping notch 22. The two sides of the material sheet to be processed are limited in the clamping notch 22 and are horizontally conveyed. The support column 21 provides a fixed height of the material sheet to be processed to avoid interference with the parts. The two ends of the material sheet to be processed in the conveying direction are provided with a cooperating roll and a clamping roller to realize the power conveying of the material sheet to be processed, and the conveying stroke of the material sheet to be processed is defined by controlling the rotating speed. The roll and the clamping roller are prior art and will not be described here.

[0028] The punching assembly 30 has a plurality of and is arranged in the length direction of the lower die seat 12. Each punching assembly 30 corresponds to the punching process of different hole positions. Specifically, the punching assembly 30 includes a punching head 31 arranged on the upper die seat 11 and a punching hole 32 arranged on the lower die seat 12 and matched with the punching head 31. During the closing process of the upper die seat 11 and the lower die seat 12, the punching head 31 abuts on the material sheet to be processed, and the punching hole 32 embedded in the lower die seat 12. The depth of the punching head extending into the punching hole 32 is twice the punching size. For example, the punching quality of large size punching size can be improved by step punching.

[0029] The blowing assembly 40 includes a blowing hole 41 opened in the inner side of the punching hole 32, a blowing driver 42 connected to the blowing hole 41, and a relief groove 43 arranged at the end of the punching head 31 and radially penetrating the circumferential outer wall of the punching head 31. After the punching is completed, the punching waste is located in the punching hole 32. The blowing driver 42 is a fan structure, which blows laterally into the punching hole 32 through the blowing hole 41, forcing the punching waste to separate from the punching head, and the relief groove 43 at the end of the punching head 31 reduces the contact area between the punching head 31 and the punching waste, avoiding the problem of negative pressure adsorption between the punching waste and the punching head. Optimally, the blowing hole 41 is flush with the end face of the punching head 31 embedded in the punching hole 32, the blowing assembly 40 adopts a direct blowing mode matched with the relief groove 43 structure to improve the cleaning effect of the punching waste. The cross-sectional shape of the relief groove 43 includes any one of a slot, a cross slot or a river slot. In the embodiment, the relief groove 43 adopts a slot cross-sectional shape.

[0030] In the embodiment, the deburring assemblies 50 are the same in number as the punching assemblies 30, and are also arranged at intervals, each deburring assembly 50 being arranged at the rear end of the corresponding punching assembly 30 in the conveying direction. It is conceivable that the horizontal length of the lower die seat 12 occupied by each punching assembly 30 and deburring assembly 50 is the same, that is, the front-end material sheet in each process station can be correspondingly transferred to the next process station.

[0031] Specifically, the deburring assembly 50 comprises a punching groove 51 arranged on the upper die seat 11, and a deburring protrusion 52 arranged on the lower die seat 12 and matched with the punching groove 51, the shape of the deburring protrusion is the same as that of the corresponding front-end punching head 31, the surface of the deburring protrusion 52 has a frosted surface, when the mold is closed, the punching groove 51 abuts against the circumferential edge of the corresponding hole position, the hole position generated by the front-end punching process is sleeved on the deburring protrusion, and the protruding burr contacts the surface of the deburring protrusion 52 to achieve polishing and elimination. Optimally, the circumferential outer wall of the deburring protrusion 52 is provided with a guide surface 53, the outer diameter of the guide surface 53 gradually decreases vertically upward, and the accuracy of embedding the deburring protrusion 52 in the front-end punching hole 32 is increased. Optimally, a plurality of gas channels 60 are also arranged on the upper die seat 11 at intervals, the gas channels 60 are connected with a gas blowing pump 61, the gas blowing pump 61 provides gas into the gas channels 60, and the gas is blown out from the output end of the gas channels 60 to the deburring hole position of the lower die seat 12, so as to blow away the waste on the material sheet to be processed.

[0032] In the embodiment, one end of the support column 21 is arranged in the lower die seat 12, the lower die seat 12 is provided with a spring 23 abutting against the bottom of the support column 21, so as to force one end of the support column 21 to protrude from the lower die seat 12. The material sheet to be processed is lowered in the mode of being positioned with the support column 21, so as to synchronously complete the punching and deburring of multiple process stations, and the elastic potential energy formed by the compression of the spring 23 gives a return power to achieve the purpose of mold opening and separation. Since the lowering height of the support column 21 is greatly different from the horizontal length of the whole continuous mold, the positioning accuracy of the whole mold closing will not be affected.

[0033] The lower die seat 12 is provided with an air extraction channel 44 communicated with the punching hole 32, and an air extraction driver 45 connected with the air extraction channel 44, the air extraction driver 45 is a gas pump structure, a negative pressure is formed in the air extraction channel 44 by the air extraction driver 45, so as to quickly collect the waste in the punching hole 32.

[0034] In the embodiment, the continuous mold processing equipment also comprises the continuous mold inner punching and deburring mechanism, and other components are prior art or commercially available parts.

[0035] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A continuous film in die deburring mechanism characterized by, The application relates to a continuous film punching and deburring mechanism. The mechanism comprises a rack (10), an upper die seat (11) and a lower die seat (12) vertically and spacedly arranged on the rack (10), a conveying channel (20) arranged in a length direction and arranged above the lower die seat (12), and a stamping driver (13) for driving the upper die seat (11) and the lower die seat (12) to be combined; A punching assembly (30) is arranged on the upper die seat (11) and comprises a plurality of stamping heads (31) and punching holes (32) matched with the stamping heads (31) and arranged on the lower die seat (12); A blowing assembly (40) comprises blowing holes (41) arranged in the punching holes (32), a blowing driver (42) connected with the blowing holes (41), and a clearance slot (43) arranged at an end of the stamping head (31) and penetrating a circumferential outer wall of the stamping head (31) in a radial direction; A deburring assembly (50) is arranged at a rear end of the punching assembly (30) in a conveying direction and comprises stamping grooves (51) arranged on the upper die seat (11) and deburring protrusions (52) matched with the stamping grooves (51) and arranged on the lower die seat (12), wherein the deburring protrusions are in the same shape as the stamping heads (31) at the front end.

2. The in-line film de-burring mechanism of claim 1, wherein, An end surface of the blowing hole (41) embedded in the punching hole (32) is flush with an end surface of the stamping head (31) in the combined state.

3. The in-line film de-burring mechanism of claim 1, wherein, A guide surface (53) is arranged on a circumferential outer wall of the deburring protrusion (52), and an outer diameter of the guide surface (53) gradually decreases upwards.

4. The in-line film de-burring mechanism of claim 1, wherein, An air extraction channel (44) is arranged in the lower die seat (12) and communicated with the punching hole (32), and an air extraction driver (45) is connected with the air extraction channel (44).

5. The in-line film de-burring mechanism of claim 1, wherein, The clearance slot (43) has a cross section in the shape of any one of a straight slot, a cross slot or a river slot.

6. The in-line film de-burring mechanism of claim 1, wherein, A plurality of air channels (60) are arranged on the upper die seat (11) and connected with air blowing pumps (61), and output ends of the air channels (60) correspond to the lower die seat (12).

7. The in-line film de-burring mechanism of claim 1, wherein, The conveying channel (20) comprises support columns (21) symmetrically arranged on both sides of the lower die seat (12) and arranged in a length direction of the lower die seat (12), and the support columns (21) are internally provided with clamping notches (22).

8. The in-line film de-burring mechanism of claim 7, wherein, One end of the support column (21) is arranged in the lower die seat (12), and a spring (23) is arranged in the lower die seat (12) and abuts against a bottom of the support column (21), so that one end of the support column (21) protrudes from the lower die seat (12).

9. A progressive die machining apparatus characterized by, The application further discloses a continuous film punching and deburring mechanism.

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