CN217891181U - Switch box punching die - Google Patents

Switch box punching die Download PDF

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Publication number
CN217891181U
CN217891181U CN202221138627.XU CN202221138627U CN217891181U CN 217891181 U CN217891181 U CN 217891181U CN 202221138627 U CN202221138627 U CN 202221138627U CN 217891181 U CN217891181 U CN 217891181U
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China
Prior art keywords
hole
die
block
switch box
punch
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CN202221138627.XU
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Chinese (zh)
Inventor
雷世俊
黄伟平
王鹏
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Guangdong Lesso Security Technology Co ltd
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Guangdong Lesso Security Technology Co ltd
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Priority to CN202221138627.XU priority Critical patent/CN217891181U/en
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Abstract

The utility model relates to the technical field of dies, and discloses a switch box punching die, which comprises an upper die and a lower die, wherein the upper die comprises an upper die base and a punch, the top end of the punch is connected with the upper die base, and a rib position groove penetrating through the bottom end of the punch is arranged on the side surface of the punch; the lower mould includes die holder, supporting seat and fixing base, and the bottom and the die holder of supporting seat are connected, and one side and the side of supporting seat of fixing base are connected, and have the clearance between fixing base and the die holder, are equipped with on the fixing base and supply drift male punching a hole. When punching a hole, one side box body lateral wall of switch box is located the top of fixing base, when the upper die base moves down, the drift is pressed and is located the box body lateral wall of fixing base top and stretch into the punching a hole of fixing base at the switch box, realize carrying out die-cut trompil to the switch box, because the drift is equipped with the muscle position groove that runs through its bottom terminal surface, when die-cut, can form the rib that blind hole piece and box body are connected, thereby make blind hole piece be difficult for dropping, keep the product pleasing to the eye, high quality, reduce the defective rate.

Description

Switch box punching die
Technical Field
The utility model relates to the technical field of mold, especially, relate to a switch box cut-out press.
Background
Switch boxes, also called junction boxes. The switch box is generally installed at the end of an electrical bushing in home decoration for installing a switch panel and a socket panel to be fixed on a wall or a ground. The switch box has various assembling and installing styles, such as concealed installation, exposed installation, water seal type and the like; the shape of the bracket is rectangular, square, octagonal and the like; meanwhile, the switch box has various colors such as red, blue, white, transparent and the like. One of them is comparatively commonly used, as shown in fig. 1, this kind of switch box is square single face opening form, and inside die cavity is equipped with circular cone upright muscle post and is used for the installation of joining in marriage of accessories such as socket panel, flush free burr of wall hole edge, and the hole piece of the blind hole of knocking off on the scene can be worked a telephone switchboard when using, requires to open eight circular blind holes of knocking off that pair uses on four lateral wall faces of this product.
The blind hole of the switch box is manufactured through a punching process. When the hole is formed, the box body of the switch box is placed on the lower die, the upper die moves downwards, the punch connected with the upper die is inserted into the through hole of the lower die, and the punching force is used for forming a hole in the box body of the switch box. The existing punch is in a cylindrical shape with the same cross section and the same shape as the blind hole, the punch punches the whole edge of the blind hole, a hole piece of the blind hole easily drops in advance, the hole piece cannot be stably located in the blind hole after punching, the requirement that the hole piece does not drop in a switch box punching process cannot be met, and if the hole piece drops in advance, the corresponding hole piece cannot be knocked off as required during field installation. If the requirement that the hole piece does not fall off in the switch box punching process is to be met, the difficulty is high, and the reject ratio is high.
The prior art discloses a switch box side punching die, which comprises a main frame, an upper die, a lower die, a punching piece and an edging piece, wherein the upper die and the lower die are arranged on the main frame and can move up and down; the punching piece comprises a punching arm fixedly connected to the lower surface of the upper die, a punching matching seat capable of moving left and right to move in or out of the lower part of the punching arm, a punching cavity arranged at the upper part of the punching matching seat and capable of being matched with the punching arm to punch a switch box, and a punching buffer piece arranged in the punching matching seat; the punching press bolster includes the buffering diaphragm on upper portion and can carry out the elastic buffer strip that stretches out and draws back when receiving the punching press, and this elastic buffer strip lower tip is buried underground in the punching press cooperation seat, and the upper end links firmly in this buffering diaphragm lower surface. The punching press arm of this patent is the drift promptly, and the punching press arm is the cylinder form, and when punching a hole, the punching press arm is die-cut to the whole edge of blind hole, leads to the hole piece of blind hole to drop in advance easily, and the hole piece can't be in the blind hole after punching a hole stably, and the defective rate is high, and the influence is used and is experienced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a switch box cut-out press that the product is pleasing to the eye, the quality is high.
In order to achieve the purpose, the utility model provides a switch box punching die, which is characterized in that the switch box punching die comprises an upper die and a lower die, wherein the upper die comprises an upper die base and a punch head, the top end of the punch head is connected with the upper die base, and the side surface of the punch head is provided with a rib position groove which penetrates through the bottom end of the punch head; the lower die comprises a lower die base, a supporting base and a fixing base, the bottom end of the supporting base is connected with the lower die base, one side of the fixing base is connected with the side face of the supporting base, a gap is reserved between the fixing base and the lower die base, and punching holes for the punches to insert are formed in the fixing base.
As preferred scheme, go up the mould and still include fixed plate, limiting plate, first connecting bolt and upper spring, the upper die base is equipped with first connecting hole, the fixed plate is equipped with the second connecting hole, the limiting plate is equipped with the third connecting hole, first connecting bolt passes in proper order first connecting hole with the second connecting hole and with third connecting hole threaded connection, just the upper die base with the fixed plate can be followed first connecting bolt reciprocates, the fixed plate is equipped with the holding hole, the upper spring is located in the holding hole, just the both ends of upper spring respectively with the upper die base with the limiting plate offsets, be equipped with the via hole that runs through on the limiting plate, the top of drift with the fixed plate is connected, the bottom of drift stretches into in the via hole.
As a preferred scheme, the upper die further comprises a limiting block, the limiting block is located between the fixing plate and the limiting plate, and the top surface of the limiting block is connected with the bottom surface of the fixing plate.
Preferably, the upper die further comprises a guide post, the top end of the guide post is connected with the upper die base, and the support base is provided with a guide hole into which the guide post can be inserted.
Preferably, the lower die further comprises a material ejecting mechanism, the material ejecting mechanism comprises a material ejecting block and a material ejecting spring, the material ejecting block and the material ejecting spring are located in the punched hole, and the material ejecting spring is located below the material ejecting block.
As the preferred scheme, the liftout mechanism still includes interior tray, the liftout spring includes spring and second lower spring, the liftout block spring first lower spring interior tray with the spring all is located under the second punch a hole and from top to bottom set gradually, the side of fixing base is equipped with the slot that can supply the upright muscle post male of switch box, the slot with punch a hole and communicate with each other, one side of interior tray be equipped with the relative breach of slot.
As a preferable scheme, the material ejecting mechanism further comprises a second connecting bolt, a locking nut and a spring support block, the material ejecting block is provided with a first through hole, the inner support block is provided with a second through hole, the fixing seat is provided with a mounting hole communicated with the punched hole, the hole opening direction of the mounting hole is perpendicular to the hole opening direction of the punched hole, the spring support block is inserted in the mounting hole, the spring support block is provided with a third through hole, the second connecting bolt sequentially penetrates through the first through hole, the first lower spring, the second through hole, the second lower spring and the third through hole and is connected with the locking nut, the locking nut is located below the spring support block, and the material ejecting block and the inner support block can move up and down along the second connecting bolt.
Preferably, the ejection mechanism further comprises an anti-rotation pin, the fixing seat is provided with a containing hole communicated with the punched hole, the hole opening direction of the containing hole is perpendicular to the hole opening direction of the punched hole, the anti-rotation pin is inserted into the containing hole, one side, far away from the notch, of the inner support block is provided with an anti-rotation positioning surface, and the anti-rotation positioning surface is attached to the anti-rotation pin.
As a preferred scheme, the fixing seat comprises a fixed seat body and a concave module, the concave module is located above the fixed seat body, the concave module is detachably connected with the fixed seat body, the punched hole comprises a die hole and a buffer hole, the die hole is formed in the concave module, the buffer hole is formed in the fixed seat body, and the die hole is communicated with the buffer hole.
Preferably, the lower die further comprises a positioning block, the positioning blocks are respectively arranged on two opposite sides of the fixing seat, and the positioning blocks can be movably connected with the supporting seat along the horizontal direction.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a connect the drift on the upper die base, through the supporting seat connection fixing base on the die holder, have the clearance between fixing base and the die holder, but make switch box edgewise lid on the fixing base, when punching a hole, one side box body lateral wall of switch box is located the top of fixing base, when the upper die base moves down, during the drift pressed the box body lateral wall that switch box is located the fixing base top and stretches into punching a hole of fixing base, realize carrying out die-cut trompil to the switch box, because the utility model discloses a drift is equipped with the muscle position groove that runs through its bottom terminal surface, when die-cut, can form the rib that blind hole piece and box body are connected to make the blind hole piece be difficult for dropping, keep the product pleasing to the eye, the high quality reduces the defective rate.
Drawings
Fig. 1 is a schematic view of the structure of the switch box.
Fig. 2 is a first view structural schematic diagram of the switch box punching die according to the embodiment of the present invention.
Fig. 3 is a schematic view of a second view angle structure of the switch box punching die according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the switch box punching die according to the embodiment of the present invention, in which the switch box is placed.
Fig. 5 is a schematic structural view of an upper die according to an embodiment of the present invention.
Fig. 6 is an exploded view of the upper die according to the embodiment of the present invention.
Fig. 7 is a schematic structural view of a lower die according to an embodiment of the present invention.
Fig. 8 is an exploded view of a lower die according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of the material ejecting mechanism according to the embodiment of the present invention.
Fig. 10 is a front view of a punch according to an embodiment of the present invention.
Fig. 11 is a bottom view of the punch according to the embodiment of the present invention.
In the figure, 1-upper die holder; 101-a first connection hole; 2-a punch; 201-rib position groove; 3-a lower die holder; 4-a support seat; 401-a via; 5-fixing the base; 501, punching; 502-slot; 503-mounting holes; 504-a receiving hole; 505-a fixed seat; 506-a female module; 507-die holes; 508-buffer holes; 6-a switch box; 7-fixing the plate; 701-a second connection hole; 702-a containment hole; 703-a fourth connection hole; 704-fifth connecting hole; 8-limiting plate; 801-third connection hole; an 802-via; 803-seventh connecting hole; 804-avoidance slot; 9-a first connecting bolt; 10-spring up; 11-a stop block; 1101-a sixth connection hole; 12-a guide post; 13-a top material block; 1301 — a first via; 14-inner supporting block; 1401-a notch; 1402-a second via; 1403-an anti-rotation positioning surface; 15-a first lower spring; 16-a second lower spring; 17-a second connecting bolt; 18-a lock nut; 19-a spring support block; 1901-a third via; 20-anti-rotation pins; 21-positioning blocks; 22-a handle; 23-guide sleeve.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 2 to 11, the switch box punching die according to the preferred embodiment of the present invention includes an upper die and a lower die, the upper die includes an upper die base 1 and a punch 2, the top end of the punch 2 is connected to the upper die base 1, and a rib groove 201 penetrating the bottom end of the punch 2 is formed in the side surface of the punch 2; the lower mould includes die holder 3, supporting seat 4 and fixing base 5, and the bottom and the die holder 3 of supporting seat 4 are connected, and one side and the side of supporting seat 4 of fixing base 5 are connected, and have the clearance between fixing base 5 and the die holder 3, are equipped with on the fixing base 5 and supply drift 2 male 501 that punches a hole. Connect drift 2 on the upper die base 1 is passed through to this embodiment, connect fixing base 5 through supporting seat 4 on the die holder 3, the clearance has between fixing base 5 and the die holder 3, make switch box 6 can the edgewise lid on fixing base 5, when punching a hole, one side box body lateral wall of switch box 6 is located the top of fixing base 6, when upper die base 1 moves down, drift 2 presses on the box body lateral wall that switch box 6 is located fixing base 5 top and stretches into fixing base 5's 501 that punches a hole, realize carrying out die-cut trompil to switch box 6, because drift 2 of this embodiment is equipped with the muscle position groove 201 that runs through its bottom end face, when punching, can form the muscle that blind hole piece and box body are connected, thereby make the blind hole piece be difficult for dropping, keep the product pleasing to the eye, high quality, reduce the defective rate.
In the present embodiment, the rib position grooves 201 are provided in four, and the four rib position grooves 201 are provided evenly at intervals in the circumferential direction of the punch 2. The width of the rib position groove 201 is 1-1.3 mm, and when the width of the rib position groove 201 is too large, the defects that a blind hole piece is not easy to knock, the burr of an orifice is large and the like occur; when the width of the rib position groove 201 is too small, the connecting rib is not ideal, and the blind hole piece is easy to drop, so that the product loss is caused.
Example two
The difference between the present embodiment and the first embodiment is that the present embodiment further describes the upper mold on the basis of the first embodiment.
In this embodiment, the upper die further includes a fixing plate 7, a limiting plate 8, a first connecting bolt 9 and an upper spring 10, the upper die base 1 is provided with a first connecting hole 101, the fixing plate 7 is provided with a second connecting hole 701, the limiting plate 8 is provided with a third connecting hole 801, the first connecting bolt 9 sequentially passes through the first connecting hole 101 and the second connecting hole 701 and is in threaded connection with the third connecting hole 801, the upper die base 1 and the fixing plate 7 can move up and down along the first connecting bolt 9, the fixing plate 7 is provided with a containing hole 702, the upper spring 10 is located in the containing hole 702, two ends of the upper spring 10 respectively abut against the upper die base 1 and the limiting plate 8, the limiting plate 8 is provided with a through hole 802, the top end of the punch 2 is connected with the fixing plate 7, and the bottom end of the punch 2 extends into the through hole 802. During punching, the limiting plate 8 located below abuts against the supporting seat 4, the upper die holder 1 continues to move downwards, the upper spring 10 is compressed, and the punch 2 extends out of the through hole 802, presses the switch box and extends into the punch hole 501 of the fixing seat 5. After the punching is finished, the upper die base 1 is lifted upwards, the upper spring 10 is restored, the limiting plate 8 is pushed downwards, and the punch 2 retracts into the through hole 802. The limiting plate 8 is pushed down, so that the punch 2 can be prevented from being taken away from the hole piece of the blind hole when exiting.
In addition, last mould of this embodiment still includes stopper 11, and stopper 11 is located between fixed plate 7 and the limiting plate 8, and the top surface of stopper 11 is connected with the bottom surface of fixed plate 7. The limiting block 11 can be used for limiting the depth of the punch 2 which enters the punching hole 501, and the phenomenon that the hole piece of the blind hole falls off due to over-cut caused by over-travel is avoided, so that the product quality is prevented from being influenced, and the reject ratio is reduced.
In addition, the upper die further comprises a guide post 12, the top end of the guide post 12 is connected with the upper die base 1, and the support base 4 is provided with a guide hole 401 into which the guide post 12 can be inserted. In the process of moving the upper die downwards, the guide post 12 is firstly inserted into the guide hole 401 to guide the movement of the upper die, so that the deviation is avoided, and the blind hole dislocation of the switch hole is prevented. A guide sleeve 23 is provided in the guide hole 401.
In this embodiment, a fourth connection hole 703 is formed in the fixing plate 7, a diameter of a top end of the punch 2 is larger than diameters of the rest portions, the fourth connection hole 703 is a stepped hole, a diameter of an upper hole section of the fourth connection hole 703 is larger than a diameter of a lower hole section of the fourth connection hole 703, the punch 2 penetrates through the fourth connection hole 703 and extends into the through hole 802, and a top end of the punch 2 is located in the upper hole section of the fourth connection hole 703. The fixing plate 7 is further provided with a fifth connecting hole 704, the limiting block 11 is provided with a sixth connecting hole 1101, the limiting plate 8 is provided with a seventh connecting hole 803, the diameter of the top end of the guide pillar 12 is larger than the diameter of the rest part, the fifth connecting hole 704 is a stepped hole, the diameter of the upper hole section of the fifth connecting hole 704 is larger than the diameter of the lower hole section of the fifth connecting hole 704, the guide pillar 12 sequentially passes through the fifth connecting hole 704, the sixth connecting hole 1101 and the seventh connecting hole 803, the bottom end of the guide pillar 12 penetrates out of the seventh connecting hole 803, and the top end of the guide pillar 12 is located in the upper hole section of the fifth connecting hole 704. The punch 2 and the guide post 12 are easy to mount and dismount.
In addition, the side surface of the top end of the punch 2 of the present embodiment is surrounded by a rectangular surface and a cylindrical surface, and functions to prevent the punch 2 from rotating.
The bottom surface of the limiting plate 8 of this embodiment still is equipped with dodges the groove 804, makes the limiting plate 8 support when supporting seat 4 and suit are on the switch box of waiting to punch a hole of fixing base 5, and the flange of switch box can be located dodges the groove 804, avoids damaging the switch box.
Other structures of this embodiment are the same as those of the first embodiment, and are not described herein again.
EXAMPLE III
The difference between this embodiment and the second embodiment is that, on the basis of the second embodiment, the structure of the lower mold is further described in this embodiment.
In this embodiment, the lower mold further includes an ejector mechanism, the ejector mechanism includes an ejector block 13 and an ejector spring, the ejector block 13 and the ejector spring are located in the punching hole 501, and the ejector spring is located below the ejector block 13. When the punch 2 is pressed down, the ejector block 13 is driven to move downwards, so that the ejector spring is compressed; after the punch 2 is withdrawn from the punched hole 501, the ejecting spring is restored to drive the ejecting block 13 to move upwards, so that the punched blind hole piece is pressed back to the side wall of the box body of the switch box, the blind hole piece is prevented from falling into the punched hole 501, and meanwhile, the product is attractive.
Specifically, the liftout mechanism of this embodiment still includes interior tray 14, and the liftout spring includes first lower spring 15 and second lower spring 16, and liftout block 13, first lower spring 15, interior tray 14 and second lower spring 16 all are located punch a hole 501 and set gradually from top to bottom, and the side of fixing base 5 is equipped with the slot 502 that can supply the stud of switch box 6 to insert, and slot 502 communicates with each other with punch a hole 501, and one side of interior tray 14 is equipped with the breach 1401 relative with slot 502. Because the vertical rib column is located the inside of switch box, consequently, set up slot 502 and place this vertical rib column, make the switch box lid close on fixing base 5. The stud of the switch box is inserted into the slot 502 and positioned in the notch 1401, and the notch 1401 is arranged, so that the slot 502 can be prevented from influencing the work of the material ejecting mechanism. In this embodiment, when the punch 2 extends into the punch hole 501, the ejector block 13 and the inner support block 13 move downward, the first lower spring 15 and the second lower spring 16 are compressed, and the first lower spring 15 and the second lower spring 16 are compressed at the same time; when the punch 2 is withdrawn, the second lower spring 16 and the first lower spring 15 recover to drive the ejector block 13 and the inner support block 13 to move upwards, and the hole piece of the blind hole is backfilled into the side wall of the switch box. The first lower spring 15 and the second lower spring 16 of the present embodiment are both heavy load springs.
In addition, the material ejecting mechanism of the embodiment further includes a second connecting bolt 17, a locking nut 18 and a spring support block 19, the material ejecting block 13 is provided with a first through hole 1301, the inner support block 14 is provided with a second through hole 1402, the fixing seat 5 is provided with a mounting hole 503 communicated with the punched hole 501, the hole opening direction of the mounting hole 503 is perpendicular to the hole opening direction of the punched hole 501, the spring support block 19 is inserted into the mounting hole 503, the spring support block 19 is provided with a third through hole 1901, the second connecting bolt 17 sequentially penetrates through the first through hole 1301, the first lower spring 15, the second through hole 1402, the second lower spring 16 and the third through hole 1901 and is connected with the locking nut 18, the locking nut 18 is located below the spring support block 19, and the material ejecting block 13 and the inner support block 14 can move up and down along the second connecting bolt 17. Through second connecting bolt 17, spring tray 19 and lock nut 18, can be connected liftout piece 13, first lower spring 15, interior tray 14 and second lower spring 16 with fixing base 5, make things convenient for the dismouting to change to second connecting bolt 17 can be the flexible direction of removal, first lower spring 15 and second lower spring 16 of liftout piece 13 and interior tray 14. The mounting hole 503 of this embodiment is a waist-shaped hole, and the spring support block 19 is a waist-shaped long block, so that four corners of the spring support block 19 are arc-shaped, thereby avoiding the sharp angle effect, and making the fixing base 16 have sufficient strength, and not easy to crack during high-frequency impact production. The mounting hole 503 of this embodiment is a threaded hole, the second connecting bolt 17 is screwed with the spring support block 19, and the second connecting bolt 17 is further connected with the locking nut 18, so that the problems that the second connecting bolt 17 is loose, the hole sheet of the blind hole with unstable compression force is not backfilled in place and the ejector block 13 protrudes from the punched hole 501 due to repeated compression and rebound impact of the first lower spring 15 and the second lower spring 16 in the production process can be avoided, the locking nut 18 can provide auxiliary locking force, and the stability of the punching operation is ensured.
Furthermore, the liftout mechanism of this embodiment still includes anti-rotating pin 20, fixing base 5 be equipped with the communicating accommodation hole 504 of punching a hole 501, the trompil direction of accommodation hole 504 is perpendicular with the trompil direction of punching a hole 501, anti-rotating pin 20 pegs graft in accommodation hole 504, one side that interior tray 14 kept away from breach 1401 is equipped with anti-rotating locating surface 1403, anti-rotating locating surface 1403 pastes with anti-rotating pin 20 mutually, can prevent interior tray 14 from rotating, and then avoids damaging the upright muscle post of switch box. In this embodiment, the anti-rotation pins 20 are aligned with the small gaps of the anti-rotation positioning surfaces 1403. The anti-rotation pin 20 is a long rectangular block, and four corners of the anti-rotation pin 20 are arc-shaped, so that a sharp corner effect is avoided.
In addition, the fixing base 5 of this embodiment includes a fixing base 505 and a die block 506, the die block 506 is located above the fixing base 505, the die block 506 is detachably connected to the fixing base 505, the punch 501 includes a die hole 507 and a buffer hole 508, the die hole 507 is disposed on the die block 506, the buffer hole 508 is disposed on the fixing base 505, and the die hole 507 is communicated with the buffer hole 508. The female die block 506 is arranged, the matched female die block 506 can be replaced according to the size of the blind hole required by the switch box, the adaptability of the die is improved, and the cost is reduced. The die block 506 of this embodiment is connected to the fixed base 505 by bolts. The ejector block 13, the first lower spring 15, the inner retainer 14 and the second lower spring 16 are positioned in the die hole 507 and the buffer hole 508, so that the ejector block 13 does not protrude out of the orifice of the die hole 507.
The lower die of the embodiment further comprises positioning blocks 21, the positioning blocks 21 are respectively arranged on two opposite sides of the fixing seat 5, and the positioning blocks 21 can be movably connected with the supporting seat 4 along the horizontal direction. By adjusting the positioning block 21, the insertion depth of the fixing seat into the switch box can be adjusted, so that the position of the hole required by the switch box is opposite to the punched hole 501. In this embodiment, the positioning block 21 is connected to the support seat 4 by a bolt, a long hole extending in the horizontal direction is formed in the positioning block 21, and the bolt passes through the long hole and is connected to the support seat 4, so that the relative position between the positioning block 21 and the support seat 4 can be adjusted. In addition, in the L-shaped structure of the supporting seat 4 of the present embodiment, the horizontal portion of the supporting seat 4 is connected to the lower die base 3 through a bolt, the fixing seat 5 is connected to the vertical portion of the supporting seat 4, and a gap is formed between the fixing seat 5 and the vertical portion of the supporting seat 4.
In this embodiment, a handle 22 is further connected to one side of the upper die holder 1 and one side of the lower die holder 3, so that the movement is facilitated.
Other structures of this embodiment are the same as those of the embodiment, and are not described herein again.
The utility model discloses a working process does: the switch box cover is arranged on the fixed seat 5, and the upper die moves downwards. The guide posts 12 are inserted into the guide holes 401 of the support base 4. The upper die continues moving downwards, and the limiting plate 8 abuts against the side wall of the box body, above the fixed seat 5, of the supporting seat 4 and the switch box. Then, the upper die base 1 and the fixing plate 7 move downwards, the upper spring 10 compresses, the punch 2 extends out of the through hole 802 on the limiting plate 8, the punch 2 punches the side wall of the box body of the switch box above the fixing base 5, and the punch 2 extends into the punched hole 501, so that the ejector block 13 and the inner support block 14 move downwards and the first lower spring 15 and the second lower spring 16 compress. Then, the upper die moves upwards, the punch 2 retreats from the punching hole 501, the upper spring 10 recovers, the limiting plate 8 is pushed downwards, and the punch 2 retracts into the through hole 802 in the limiting plate 8, so that the punch 2 is prevented from taking away a hole piece of the blind hole; and the first lower spring 15 and the second lower spring 16 recover to drive the material pushing block 13 and the inner support block 14 to move upwards, and the hole pieces of the blind holes are backfilled on the side wall of the box body of the switch box, so that the hole pieces of the blind holes are prevented from falling into the punched holes 501, the product is attractive, and the hole pieces of the blind holes are prevented from falling.
To sum up, the embodiment of the utility model provides a switch box cut-out press, it connects drift 2 on through upper die base 1, connect fixing base 5 through supporting seat 4 on the die holder 3, have the clearance between fixing base 5 and the die holder 3, make switch box 6 can the edgewise lid on fixing base 5, when punching a hole, one side box body lateral wall of switch box 6 is located fixing base 6's top, when upper die base 1 moves down, drift 2 presses and is located the box body lateral wall of fixing base 5 top and stretch into fixing base 5's 501 that punches a hole at switch box 6, realize carrying out die-cut trompil to switch box 6, because drift 2 of this embodiment is equipped with the muscle position groove 201 that runs through its bottom end face, when die-cut, can form the rib that blind hole piece and box body are connected, thereby make the blind hole piece be difficult for dropping, keep the product pleasing to the eye, high quality, reduce the defective rate.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. The switch box punching die is characterized by comprising an upper die and a lower die, wherein the upper die comprises an upper die base (1) and a punch (2), the top end of the punch (2) is connected with the upper die base (1), and a rib position groove (201) penetrating through the bottom end of the punch (2) is formed in the side surface of the punch;
the lower die comprises a lower die base (3), a supporting base (4) and a fixing base (5), the bottom end of the supporting base (4) is connected with the lower die base (3), one side of the fixing base (5) is connected with the side face of the supporting base (4), a gap is reserved between the fixing base (5) and the lower die base (3), and the fixing base (5) is provided with a punch (501) for inserting the punch (2).
2. The switch box punching die according to claim 1, wherein the upper die further comprises a fixing plate (7), a limiting plate (8), a first connecting bolt (9) and an upper spring (10), the upper die base (1) is provided with a first connecting hole (101), the fixing plate (7) is provided with a second connecting hole (701), the limiting plate (8) is provided with a third connecting hole (801), the first connecting bolt (9) sequentially penetrates through the first connecting hole (101) and the second connecting hole (701) and is in threaded connection with the third connecting hole (801), the upper die base (1) and the fixing plate (7) can be vertically moved along the first connecting bolt (9), the fixing plate (7) is provided with a containing hole (702), the upper spring (10) is located in the containing hole (702), two ends of the upper spring (10) respectively abut against the upper die base (1) and the limiting plate (8), a through hole (802) is formed in the limiting plate (8), the top end of the punch (2) is connected with the bottom end of the fixing plate (7), and the punch (2) extends into the through hole (802).
3. The switch box punching die according to claim 2, wherein the upper die further comprises a limiting block (11), the limiting block (11) is located between the fixing plate (7) and the limiting plate (8), and the top surface of the limiting block (11) is connected with the bottom surface of the fixing plate (7).
4. The switch box punching die according to claim 1, wherein the upper die further comprises a guide post (12), the top end of the guide post (12) is connected with the upper die base (1), and the support base (4) is provided with a guide hole (401) for inserting the guide post (12).
5. The switch box punch die of claim 1, wherein the lower die further comprises an ejector mechanism comprising an ejector block (13) and ejector springs, the ejector block (13) and the ejector springs being located in the punch hole (501), the ejector springs being located below the ejector block (13).
6. The switch box punching die according to claim 5, wherein the ejector mechanism further comprises an inner support block (14), the ejector spring comprises a first lower spring (15) and a second lower spring (16), the ejector block (13), the first lower spring (15), the inner support block (14) and the second lower spring (16) are all located in the punched hole (501) and are sequentially arranged from top to bottom, a slot (502) into which a vertical rib of the switch box can be inserted is formed in the side face of the fixed seat (5), the slot (502) is communicated with the punched hole (501), and a notch (1401) opposite to the slot (502) is formed in one side of the inner support block (14).
7. The switch box punching die according to claim 6, wherein the ejector mechanism further comprises a second connecting bolt (17), a locking nut (18) and a spring support block (19), the ejector block (13) is provided with a first through hole (1301), the inner support block (14) is provided with a second through hole (1402), the fixing seat (5) is provided with a mounting hole (503) communicated with the punched hole (501), the hole opening direction of the mounting hole (503) is perpendicular to the hole opening direction of the punched hole (501), the spring support block (19) is inserted into the mounting hole (503), the spring support block (19) is provided with a third through hole (1901), the second connecting bolt (17) sequentially penetrates through the first through hole (1301), the first lower spring (15), the second through hole (1402), the second lower spring (16) and the third through hole (1901) and is connected with the locking nut (18), the locking nut (18) is located below the spring support block (19), and the ejector block (13) and the inner support block (14) can move up and down along the second through hole (17).
8. The switch box punching die according to claim 6, wherein the ejection mechanism further comprises an anti-rotation pin (20), the fixing seat (5) is provided with a receiving hole (504) communicated with the punched hole (501), the opening direction of the receiving hole (504) is perpendicular to the opening direction of the punched hole (501), the anti-rotation pin (20) is inserted into the receiving hole (504), an anti-rotation positioning surface (1403) is arranged on one side, away from the notch (1401), of the inner support block (14), and the anti-rotation positioning surface (1403) is attached to the anti-rotation pin (20).
9. The switch box punching die according to claim 1, wherein the fixing seat (5) comprises a fixing seat body (505) and a female die block (506), the female die block (506) is located above the fixing seat body (505), the female die block (506) is detachably connected with the fixing seat body (505), the punched hole (501) comprises a die hole (507) and a buffer hole (508), the die hole (507) is arranged on the female die block, the buffer hole (508) is arranged on the fixing seat body (505), and the die hole (507) is communicated with the buffer hole (508).
10. The switch box punching die according to claim 1, wherein the lower die further comprises a positioning block (21), the positioning block (21) is respectively arranged on two opposite sides of the fixing seat (5), and the positioning block (21) is movably connected with the supporting seat (4) along a horizontal direction.
CN202221138627.XU 2022-05-11 2022-05-11 Switch box punching die Active CN217891181U (en)

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CN202221138627.XU CN217891181U (en) 2022-05-11 2022-05-11 Switch box punching die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221138627.XU CN217891181U (en) 2022-05-11 2022-05-11 Switch box punching die

Publications (1)

Publication Number Publication Date
CN217891181U true CN217891181U (en) 2022-11-25

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