CN204148343U - Punch press two mould position punching die - Google Patents

Abstract

The utility model discloses a two-position punching die for a punching machine, which comprises a punch frame, a punch seat and a punching assembly cooperating with the punch frame. The punching assembly includes a guide rail body, a module, a punch I and a punch II, and a module The first module installation hole and the second module installation hole are arranged on the top to form two modules, and a module switching component for switching the working status of the two modules is also included; the slider is pushed to reciprocate in the lateral direction by the slider pushing device Since there are two die positions on the module and only one empty die position hole is set on the slider, when the empty die position hole moves to the corresponding position of any die position installation hole, the punch installed at the other die position will work , in actual work, punches of different specifications can be installed at the mounting holes of the two die positions, so that according to actual needs, different die positions can be selected to use different punches to punch holes of different specifications. With technology, molds and punches can be replaced without shutting down, which greatly improves work efficiency, reduces labor intensity of workers, reduces mold consumables, and reduces production and manufacturing costs.

Description

Two-position punching die for punch press

technical field

The utility model relates to a mold, in particular to a two-position punching mold for a punching machine.

Background technique

In the production process of power towers, due to the need to punch holes in raw material components such as angle steel, channel steel or steel plates, punching dies are often used for punching. In the prior art, most of the punching machines have one type of punching head specification, that is, punching production that can only meet the requirements of one specification. When punching different hole specifications, it is necessary to change the punching head specification. If the size of the head needs to be shut down, and then the replacement needs the mold and punch specifications, not only the efficiency is not high, but also the labor intensity of the workers is high, the mold consumables are more, and the cost is higher.

Therefore, it is necessary to improve the existing punching die, so that the die and punch can be replaced without stopping the machine, and by selecting different die positions, the die can use different punch specifications in order to punch holes of different specifications. Greatly improve work efficiency, reduce labor intensity of workers, reduce mold consumables, and reduce production and manufacturing costs.

Utility model content

In view of this, the utility model provides a two-position punching die for a punching machine, which can replace the die and the punch without stopping the machine, and by selecting different die positions, the die can use different punch specifications for punching Punching with different specifications greatly improves work efficiency, reduces labor intensity of workers, reduces mold consumables, and reduces production and manufacturing costs.

The two-position punching die for a punching press of the utility model includes a punching frame, a punching seat and a punching assembly cooperating with the punching frame. The punching assembly includes a guide rail body, a module, a punch I and a punch II, and the module is provided with The first die position installation hole and the second die position installation hole, the punch I is installed in the first die position installation hole and the upper end is positioned in the through hole I connected with the first die position installation hole set on the guide rail body, the punch Ⅱ is installed in the mounting hole of the second mold position and its upper end is positioned in the through hole II connected with the mounting hole of the second mold position provided on the guide rail body;

It also includes a module position switching assembly, the module position switching assembly includes a slider and a slider pushing device, the slider is set in cooperation with the guide block in a manner that can reciprocate laterally under the power drive of the slider pushing device, and the slider is provided with a The vacant hole communicates with the through hole I and the through hole II at the corresponding positions when the slider moves laterally.

Further, it also includes a punching positioning assembly, the punching positioning assembly includes a positioning plate and a positioning block, the positioning plate is fixed on the punch seat, the positioning block is fixed on the positioning plate and retains a vertical gap with the punch seat for plate insertion , the positioning block is provided with a positioning hole I corresponding to the vertical position of the punch I, and a positioning hole II is provided corresponding to the vertical position of the punch II.

Further, it also includes a punching piece pressing assembly, two punching piece pressing assemblies are provided correspondingly, and each punching piece pressing assembly includes a pressing arm and a drive for driving the pressing arm to rotate in a vertical plane In the device, the pressing arm is an inwardly curved structure, the end of the pressing arm forms a pressing surface, and the pressing surface is a planar structure.

Further, the installation holes of the first die position and the second die position are both stepped holes with a large top and a small bottom, and the upper ends of the punches I and II are provided with limited steps.

Further, a guide keyway is respectively provided on the guide rail body corresponding to the through hole I and the through hole II, and the outer sides of the limit steps at the upper ends of the punches I and II protrude radially outward and are provided with a vertical sliding fit along the guide keyway. guide bar.

Further, the slider pushing device is an air cylinder, and the piston rod of the air cylinder is connected to the slider through a keyway structure.

Further, the guide rail body is a U-shaped structure.

Beneficial effects of the utility model: the manual two-position punching die for a punch press of the utility model pushes the slider to reciprocate in the lateral direction through the slider pushing device. Die hole, when the empty die hole moves to the corresponding position of any die position installation hole, the punch installed at the other die position will work. In actual work, punches of different specifications can be installed at the two die position installation holes , so that according to actual needs, different die positions can be selected to use different punches to punch holes of different specifications. Compared with the existing technology, molds and punches can be replaced without stopping the machine, which greatly improves work efficiency and reduces labor intensity of workers, reduce mold consumables, and reduce production and manufacturing costs; moreover, the utility model can realize mode switching through a slider, which virtually simplifies the complexity of the existing mode switching structure, making the overall structure compact and occupying The space is reduced.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structure schematic diagram of guide rail body in the utility model;

Fig. 3 is a schematic diagram of the structure of the slider in the utility model.

Detailed ways

As shown in the figure: the two-position punching die for a punch press in this embodiment includes a punch frame 1, a punch seat 2, and a punching assembly cooperating with the punch frame 1. The punching assembly includes a guide rail body 3, a module 4, and a punch Ⅰ5 and punch Ⅱ6, the module 4 is provided with the first die position installation hole and the second die position installation hole, the punch Ⅰ5 is installed in the first die position installation hole and its upper end is positioned on the guide rail body 3 and the first die position In the through hole Ⅰ7 connected to the installation hole of the first position, the punch II6 is installed in the second die position installation hole and its upper end is positioned in the through hole II8 provided on the guide rail body 3 and connected with the second die position installation hole;

It also includes a module switch assembly, the module switch assembly includes a slide block 17 and a slide block pusher 18, the slide block 17 is set in cooperation with the guide block in a laterally reciprocating manner under the power drive of the slide block pusher 18, and the slide block 17 is provided with a vacancy hole 19 for communicating with the through hole I7 and the through hole II8 at corresponding positions when the slider 17 moves laterally;

Of course, the punching assembly of the present utility model also includes an upper template 9 and a rail body mounting plate 10, the upper template 9 is arranged in cooperation with the punch frame 1 in a manner that can reciprocate vertically, and the rail body mounting plate 10 is fixedly installed On the lower side of the upper formwork 9, the driving mode of the upper formwork 9 can be hydraulic or pneumatic drive, and the guide rail body 3 is installed on the guide rail body mounting plate 10 and forms a space for the lateral movement of the slider 17 therewith.

In this embodiment, it also includes a punching positioning assembly, the punching positioning assembly includes a positioning plate 11 and a positioning block 12, the positioning plate 11 is fixedly arranged on the punch seat 2, and the positioning block 12 is fixedly arranged on the positioning plate 11 and is connected to the punch seat 2 The vertical gap for plate insertion is reserved, and the positioning block 12 is provided with a positioning hole I13 corresponding to the vertical position of the punch I5, and a positioning hole II14 is provided corresponding to the vertical position of the punch II6; in the prior art, because the punch There is a certain vertical height, so that the punching position of the punching plate cannot be positioned directly under the punch quickly and accurately, and the punching position may be misplaced, thereby wasting materials. By setting the punching positioning component, The punched plate can be put into the vertical gap between the positioning block 12 and the punch seat 2 reserved for plate insertion, and the punching position of the punched plate is aligned with the positioning hole, because the vertical alignment is reduced. High, convenient and fast, not easy to misplace.

In this embodiment, it also includes a punching piece pressing assembly, two punching piece pressing assemblies are set correspondingly, and each punching piece pressing assembly includes a pressing arm 15 and is used to drive the pressing arm 15 in the vertical direction. The driving device 16 rotating in the plane, the pressing arm 15 is an inwardly curved structure, the end of the pressing arm 15 forms a pressing surface, and the pressing surface is a plane structure; when the punching plate is placed into the punching gap, if it cannot be effectively fixed , it may be easy to shake or shift when punching, which will affect the accuracy of punching. The pressing arm 15 is driven to rotate in the vertical plane by the driving device, so as to press and position the punching plate to prevent shaking or shifting. Position, to ensure the accuracy of punching, wherein, the inward bending structure of the pressing arm 15 can effectively save space, and provide sufficient pressing force, the pressing surface is a flat structure to ensure a large contact area, effective pressing, in addition, the drive The device 16 is a servo motor.

In this embodiment, the mounting holes for the first die position and the second die position are both stepped holes with a large top and a small bottom, and the upper ends of punches I5 and II6 are provided with limiting steps.

In this embodiment, a guide keyway 21 is respectively provided on the guide rail body 3 corresponding to the through hole I7 and the through hole II8, and the outside of the limit steps at the upper ends of the punches I5 and II6 protrude radially outward and are provided with a guide keyway. The keyway slides vertically with the guide bar; prevents the punch from rotating in the die installation hole and forms an effective guide.

In this embodiment, the slider pushing device 18 is a cylinder, and the piston rod 20 of the cylinder is connected to the slider 17 through a keyway 23 structure.

In this embodiment, the guide rail body 3 is a U-shaped structure; a slide groove 22 is formed in the middle.

In addition, there are also punching plate conveying devices on both lateral sides of the punch seat. The conveying device is a conveying roller, and there are two conveying rollers, which are respectively arranged on both sides of the punch seat. same level.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (7)

1. A two-position punching die for a punching machine, characterized in that: it includes a punching frame, a punching seat and a punching assembly cooperating with the punching frame, and the punching assembly includes a rail body, a module, a punch I and a punch II, the module is provided with a first die position installation hole and a second die position installation hole, the punch I is installed in the first die position installation hole and its upper end is positioned on the first die position set on the guide rail body. In the through hole I connected to the installation hole of the second die position, the punch II is installed in the second die position installation hole and its upper end is positioned in the through hole II connected to the second die position installation hole provided on the guide rail body; It also includes a module position switching assembly, the module position switching assembly includes a slider and a slider pushing device, and the slider is set in cooperation with the guide block in a manner that can reciprocate laterally under the power drive of the slider pushing device, The slider is provided with vacancy holes for communicating with the through hole I and the through hole II at corresponding positions when the slider moves laterally. 2. The two-position punching die for a punch press according to claim 1, characterized in that: it also includes a punching positioning assembly, the punching positioning assembly includes a positioning plate and a positioning block, and the positioning plate is fixedly arranged on the Punch seat, the positioning block is fixedly arranged on the positioning plate and retains a vertical gap with the punch seat for plate insertion, and the positioning block is provided with a positioning hole corresponding to the vertical position of the punch I Ⅰ, a positioning hole Ⅱ is set corresponding to the vertical position of the punch Ⅱ. 3. The two-position punching die for a punch press according to claim 2, characterized in that: it also includes a pressing assembly for punching parts, and two pressing assemblies for punching parts are correspondingly provided, and each pressing part is pressed Each assembly includes a pressing arm and a driving device for driving the pressing arm to rotate in a vertical plane, the pressing arm is an inwardly curved structure, and the end of the pressing arm forms a pressing surface, and the pressing surface is a planar structure . 4. The two-position punching die for a punch press according to claim 3, characterized in that: the mounting holes for the first die position and the mounting holes for the second die position are stepped hole structures with a large top and a small bottom. The upper ends of the head I and the punch II are provided with limiting steps. 5. The two-position punching die for a punch press according to claim 4, characterized in that: the guide rail body is provided with a guide keyway corresponding to the through hole I and the through hole II, and the punch I and the punch The outer sides of the limit steps at the upper end of the head II protrude radially outward, and are provided with a guide bar that slides vertically along the guide keyway. 6 . The two-position punching die for a punch press according to claim 5 , wherein the slider pushing device is an air cylinder, and the piston rod of the air cylinder is connected to the slider through a keyway structure. 7 . 7. The two-position punching die for a punch press according to claim 6, wherein the guide rail body is a U-shaped structure.