CN214866548U - Punching mechanism of punching machine - Google Patents

Abstract

The utility model discloses a mechanism of punching a hole of piercing press, including base, protection casing, slide bar and ejector pad, the top of base is provided with the protection casing, the bolted connection pneumatic cylinder is passed through at top in the protection casing, the output of pneumatic cylinder passes through the bolted connection clamp plate, the top of base is provided with the gag lever post, and the clamp plate cup joints through reserving the mouth and connect the gag lever post, through bearing installation lead screw in the clamp plate, the periphery of lead screw is provided with the corresponding silk piece, bolted connection piercing head is passed through to the bottom of silk piece, the both sides of piercing head are all through the flexible cover of bolted connection, the connection telescopic link is cup jointed to one side of flexible cover. The utility model relates to a mechanism of punching a hole of piercing press, simple structure, the simple operation, the suitability is strong, and safe and reliable more is moreover fit for being extensively promoted and used.

Description

Punching mechanism of punching machine

Technical Field

The utility model relates to a technical field that punches a hole, in particular to mechanism of punching a hole of piercing press.

Background

The punching machine is a mechanical device which completes punching by acting a punching die on a material under the driving of a power mechanism after raw materials are installed, and can perform the operation of forcing metals such as sheet processing, punching, die pressing, embossing and the like to enter a die.

At present, the existing punching mechanism of the punching machine has the following defects when in use: 1. because the work piece size is different, lead to being difficult to fix it, also be difficult to adjust as required in the position of punching a hole moreover, the suitability is relatively poor, 2, when carrying out the operation of punching a hole, easy maloperation produces the potential safety hazard, causes the damage to the human body. To this end, we propose a punching mechanism of a punching machine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a mechanism of punching a hole of piercing press can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mechanism of punching a hole of piercing press, includes base, protection casing, slide bar and ejector pad, the top of base is provided with the protection casing, bolted connection pneumatic cylinder is passed through at top in the protection casing, the output of pneumatic cylinder passes through the bolted connection clamp plate, the top of base is provided with the gag lever post, and the clamp plate cup joints through reserving the mouth and connect the gag lever post, through bearing installation lead screw in the clamp plate, the periphery of lead screw is provided with the silk piece that corresponds, bolted connection piercing head is passed through to the bottom of silk piece, the both sides of piercing head are all through the flexible cover of bolted connection, the telescopic link is cup jointed to one side of flexible cover.

Further, both sides in the protection casing all are provided with the slide rail, one side sliding connection of slide rail has the slider, the briquetting is connected through the pivot in one side of slider, the bolted connection slide bar is passed through to the bottom of slider, the top of base is located the periphery of slide bar and cup joints connecting spring.

Further, one end of the telescopic rod is provided with a clamping plate, a movable groove is formed in the clamping plate, the rotating roller is installed in the movable groove through a bearing, the top of the telescopic sleeve is connected with the fastening screw rod through a reserved threaded hole in a threaded mode, and the top of the base is provided with a groove corresponding to the clamping plate.

Furthermore, a sliding groove is formed in one side of the base, a pushing block is arranged in the sliding groove, second lead screws are mounted on two sides of the sliding groove through bearings, corresponding second lead screws are arranged on the periphery of the second lead screws, the second lead screws are connected with the pushing block through bolts, a gear is arranged on one side, located on the second lead screws, of the periphery of the second lead screws, and racks corresponding to the gears are arranged on the surface of the sliding rod.

Furthermore, a forward and reverse rotating motor is arranged on one side of the pressing plate and connected with the screw rod through a driving shaft.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through the telescopic sleeve, the telescopic rod and the clamping plate which are arranged, the workpiece with different sizes can be clamped and fixed, and the horizontal position of the punching head can be adjusted according to the drilling position and the operation habit through the screw rod, the screw block and the forward and reverse rotating motor, so that the operation is more convenient and reliable.

2. Through the slide rail, slider, slide bar, second lead screw and the second silk piece that set up, can push out from the base in the operation of punching a hole, make operating personnel and the mechanism of punching a hole keep certain safe distance, the potential safety hazard that has significantly reduced, simple structure is practical, and is energy-concerving and environment-protective moreover.

Drawings

Fig. 1 is a schematic perspective view of a punching mechanism of the punching machine of the present invention.

Fig. 2 is the overall structure schematic diagram of the punching mechanism of the punching machine of the present invention.

Fig. 3 is a schematic diagram of the structure of the punching head and the clamping plate of the punching mechanism of the punching machine of the present invention.

Fig. 4 is a schematic view of a sectional structure of a base of a punching mechanism of the punching machine of the present invention.

In the figure: 1. a base; 2. a protective cover; 3. a hydraulic cylinder; 4. pressing a plate; 5. a screw rod; 6. silk blocks; 7. a positive and negative rotation motor; 8. a limiting rod; 9. a slide rail; 10. a slider; 11. briquetting; 12. a slide bar; 13. a spring; 14. a punching head; 15. a telescopic sleeve; 16. a telescopic rod; 17. a splint; 18. a movable groove; 19. a rotating roller; 20. a chute; 21. a second lead screw; 22. a second wire block; 23. a gear; 24. a rack; 25. grooving; 26. a push block; 27. and (5) fastening the screw rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a punching mechanism of a punching machine comprises a base 1, a protective cover 2, a sliding rod 12 and a push block 26, wherein the protective cover 2 is arranged at the top of the base 1, a hydraulic cylinder 3 is connected to the top of the protective cover 2 through a bolt, an output end of the hydraulic cylinder 3 is connected to a pressing plate 4 through a bolt, a limiting rod 8 is arranged at the top of the base 1, the pressing plate 4 is connected to the limiting rod 8 through a reserved opening in a sleeved mode, a lead screw 5 is installed in the pressing plate 4 through a bearing, a corresponding screw block 6 is arranged on the periphery of the lead screw 5, a punching head 14 is connected to the bottom of the screw block 6 through a bolt, two sides of the punching head 14 are respectively connected to a telescopic sleeve 15 through a bolt, and a telescopic rod 16 is connected to one side of the telescopic sleeve 15 in a sleeved mode.

Wherein, both sides in the protection casing 2 all are provided with slide rail 9, one side sliding connection of slide rail 9 has slider 10, briquetting 11 is connected through the pivot in one side of slider 10, bolted connection slide bar 12 is passed through to the bottom of slider 10, the top of base 1 is located the periphery of slide bar 12 and cup joints connecting spring 13.

In this embodiment, as shown in fig. 2, the slide rail 9 and the slide block 10 are used for driving the slide rod 12 to move vertically downward, the spring 13 is used for restoring the slide rod 12, and the structure is simple and convenient.

Wherein, the one end of telescopic link 16 is provided with splint 17, movable groove 18 has been seted up in the splint 17, pass through bearing installation live-rollers 19 in the movable groove 18, the top of telescope tube 15 is through reserving screw hole threaded connection fastening screw 27, the fluting 25 that corresponds with splint 17 is seted up at the top of base 1.

In this embodiment, as shown in fig. 3, the clamping plate 17 is used for clamping and limiting workpieces of different sizes, so that the stability of punching is improved, the movable groove 18 and the rotating roller 19 are used for reducing the friction between the clamping plate 17 and the workpieces when the punching head 14 reciprocates and vertically moves, the telescopic rod 16 is conveniently adjusted and then limited and fixed through the fastening screw 27, and the position of the clamping plate 17 is conveniently adjusted through the open groove 25.

A sliding groove 20 is formed in one side of the base 1, a pushing block 26 is arranged in the sliding groove 20, second screw rods 21 are mounted on two sides of the sliding groove 20 through bearings, corresponding second screw blocks 22 are arranged on the periphery of the second screw rods 21, the second screw blocks 22 are connected with the pushing block 26 through bolts, gears 23 are arranged on one sides, located on the second screw blocks 22, of the periphery of the second screw rods 21, and racks 24 corresponding to the gears 23 are arranged on the surfaces of the sliding rods 12.

In this embodiment, as shown in fig. 4, the sliding rod 12 and the gear 23 can drive the four lead screws 21 to rotate, so that the second lead screw 22 drives the pushing block 26 to move horizontally, and the pushing block slides out of the sliding groove 20, thereby blocking the operator from the base 1, achieving a safe distance, and being safer and more reliable.

Wherein, one side of the pressure plate 4 is provided with a forward and reverse rotation motor 7, and the forward and reverse rotation motor 7 is connected with the screw rod 5 through a driving shaft.

In the embodiment, as shown in fig. 2, the screw 5 is driven to rotate by the forward and reverse rotation motor 7, so that the punching head 14 is driven to move horizontally by the screw block 6, and the position of the punching head is adjusted.

It should be noted that, the utility model relates to a punching mechanism of a punching machine, in operation, firstly, the operator puts the workpiece on the top of the base 1, the positive and negative rotation motor 7 is manually opened to drive the lead screw 5 to rotate, thereby the punching head 14 is driven to move horizontally through the lead block 6, the position is adjusted, then the telescopic rods 16 at the two sides of the punching head 14 are adjusted to the clamping plates 4 to carry out the limiting clamping processing of the workpiece, the fastening screw 27 is screwed to carry out the limiting fixing of the telescopic rods 16, the stability in punching operation is improved, then the hydraulic cylinder 3 is manually opened, the punching processing is carried out through the vertical reciprocating motion of the driving pressing plate 4 and the punching head 14, the pressing block 11 can be rotated to the bottom of the pressing plate 4 during the punching operation, when the pressing plate 4 moves vertically downwards, the pressing block 11 is extruded, the sliding block 10 and the sliding rod 12 move vertically downwards, the gear 23 starts to rotate through the meshing of the rack 24, the second lead screw 21 of drive rotates, and second silk piece 22 drives ejector pad 26 and carries out horizontal migration, and ejector pad 26 slides out from spout 20 to make and form certain safe distance between operating personnel and the base 1, the potential safety hazard that can significantly reduce, safe and reliable more, energy-concerving and environment-protective moreover.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a mechanism of punching a hole of piercing press, includes base (1), protection casing (2), slide bar (12) and ejector pad (26), its characterized in that: the top of base (1) is provided with protection casing (2), bolted connection pneumatic cylinder (3) are passed through at the top in protection casing (2), bolted connection clamp plate (4) are passed through to the output of pneumatic cylinder (3), the top of base (1) is provided with gag lever post (8), and clamp plate (4) cover connects gag lever post (8) through reserving the mouth, through bearing installation lead screw (5) in clamp plate (4), the periphery of lead screw (5) is provided with corresponding silk piece (6), bolted connection punching head (14) are passed through to the bottom of silk piece (6), the both sides of punching head (14) are all through bolted connection telescope tube (15), telescopic link (16) are cup jointed in to one side of telescope tube (15).

2. The punching mechanism of a punching machine according to claim 1, wherein: both sides in protection casing (2) all are provided with slide rail (9), one side sliding connection of slide rail (9) has slider (10), briquetting (11) are connected through the pivot in one side of slider (10), bolted connection slide bar (12) are passed through to the bottom of slider (10), connecting spring (13) are cup jointed to the periphery that the top of base (1) is located slide bar (12).

3. The punching mechanism of a punching machine according to claim 1, wherein: one end of the telescopic rod (16) is provided with a clamping plate (17), a movable groove (18) is formed in the clamping plate (17), a rotating roller (19) is installed in the movable groove (18) through a bearing, the top of the telescopic sleeve (15) is connected with a fastening screw rod (27) through a reserved threaded hole in a threaded manner, and a groove (25) corresponding to the clamping plate (17) is formed in the top of the base (1).

4. The punching mechanism of a punching machine according to claim 1, wherein: one side in the base (1) has been seted up spout (20), be provided with ejector pad (26) in spout (20), both sides in spout (20) are all through bearing installation second lead screw (21), the periphery of second lead screw (21) is provided with corresponding second silk piece (22), and second silk piece (22) pass through bolted connection ejector pad (26), one side that the periphery of second lead screw (21) is located second silk piece (22) is provided with gear (23), the surface of slide bar (12) is provided with rack (24) that correspond with gear (23).

5. The punching mechanism of a punching machine according to claim 1, wherein: and a forward and reverse rotating motor (7) is arranged on one side of the pressing plate (4), and the forward and reverse rotating motor (7) is connected with the screw rod (5) through a driving shaft.

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