CN215697274U - Lampshade and hole forming die - Google Patents

Abstract

The utility model relates to a hole forming die and lamp shade, belong to the lamps and lanterns field, it is including many towards the needle that is used for punching press the hole in the lamp shade main part, still including the frame that is used for installing towards the needle and the many drive mechanisms that towards the needle and stamp to the lamp shade main part simultaneously of transmission, the frame includes the roof that the level set up and fixes the base at the roof diapire, the base sets up with the position that the lamp shade main part needs the processing hole relatively, it includes the side needle that the level set up to dash the needle, side needle slidable mounting is on the base, drive mechanism includes driving plate and push rod, driving plate parallel arrangement is continuous in the roof top and with outside elevating system, the push rod vertical fixation is close to roof one side at the driving plate, set up the passageway that supplies the push rod to pass on the roof, the push rod sets up with the side needle relatively, the push rod bottom is close to narrowing down gradually and is the inclined plane near side needle one side, the side needle is the cambered surface near push rod inclined plane one end. This application has the effect that can improve the machining precision in lamp shade hole.

Description

Lampshade and hole forming die

Technical Field

The application relates to the field of lamps, in particular to a lampshade and hole forming die.

Background

In order to facilitate installation or heat dissipation, some heat dissipation holes and installation holes are generally formed in the lamp cover through a hole forming mold.

Referring to fig. 1, the lampshade in the prior art comprises a lampshade body 1 and a plurality of holes formed in the lampshade body 1, wherein the lampshade body 1 is in a round hopper shape with one gradually reduced end, two ends of the lampshade body 1 are open, and the plurality of holes are formed in the smaller end of the lampshade body 1. The hole forming die in the prior art comprises a punching needle 2, wherein the punching needle 2 comprises a handheld part and a punching part, the handheld part and the punching part are cylindrical and coaxially arranged, when a hole is machined in a lampshade body 1, the handheld part needs to be held, the punching part is aligned to the position, needing to be formed, of a lampshade main body 1, and then the hole is drilled forcibly.

In view of the above-mentioned related art, the inventor believes that not only the operation is laborious, but also a plurality of holes need to be processed separately a plurality of times, and the manual operation has a problem of low processing precision.

SUMMERY OF THE UTILITY MODEL

In order to improve the machining precision in lamp shade hole, this application provides a lamp shade and hole forming die.

First aspect, the application provides a hole forming die adopts following technical scheme:

the utility model provides a hole forming die, including the many towards needles that are used for punching press the hole in the lamp shade main part, still including the frame that is used for installing towards the needle and the many drive mechanisms that towards the needle and punch to the lamp shade main part punching press simultaneously of transmission, the frame includes the roof that the level set up and fixes the base at the roof diapire, the base sets up with the position that the lamp shade main part needs the processing hole relatively, it includes the side needle that the level set up to dash the needle, side needle slidable mounting is on the base, drive mechanism includes driving plate and push rod, driving plate parallel arrangement links to each other in the roof top and with outside elevating system, the push rod vertical fixation is close to roof one side at the driving plate, set up the passageway that supplies the push rod to pass on the roof, the push rod sets up with the side needle relatively, the push rod bottom is close to narrowing down on one side needle one side and is the inclined plane gradually, the side needle is close to push rod inclined plane one end and is the cambered surface.

Through adopting above-mentioned technical scheme, add man-hour, with lamp shade main part back-off to roof below for the side needle aligns with the position of treating processing, then through outside elevating system drive driving plate downstream, the driving plate drives many push rods and moves down simultaneously, the inclined plane of many push rods simultaneously with many side needle contacts, and extrude many side needles to remove to the lamp shade main part and punch out a plurality of holes simultaneously at the different positions of lamp shade main part, not only operate laborsavingly, and the machining precision is high moreover.

Optionally, a guide mechanism is arranged between the transmission plate and the rack, the guide mechanism includes a guide rod vertically fixed on one side of the transmission plate close to the top plate, the rack further includes a side plate, a first guide groove for the guide rod to penetrate is formed in the top plate, a second guide groove for the guide rod to penetrate is formed in the side plate, and the second guide groove is communicated with the first guide groove.

Through adopting above-mentioned technical scheme, when outside elevating system drove the driving plate and reciprocates, the guide bar slides in second guide way and first guide way, can reduce the driving plate and take place crooked possibility when reciprocating to improve towards the accuracy of needle location.

Optionally, the guide mechanism further includes a tubular guide sleeve, the guide sleeve is fixed in the second guide groove and the first guide groove, and the inner wall of the guide sleeve is abutted to the side wall of the guide rod.

Through adopting above-mentioned technical scheme, guide pin bushing and guide bar fit clearance are very little, further improve the accuracy of motion.

Optionally, a discharging spring is vertically fixed between the driving plate and the top plate, and an end of the discharging spring is fixed to one side of the driving plate and one side of the top plate, which are close to each other.

Through adopting above-mentioned technical scheme, after finishing processing, when outside elevating system drove the driving plate and upwards moved, the spring that unloads resets and pushes up and move the driving plate upwards, the energy saving.

Optionally, the punch needle comprises a main body and a stressed part fixed at the end of the main body, the end edge of the stressed part extends out of the main body, a needle withdrawing spring is sleeved at one end, close to the stressed part, of the main body, and the needle withdrawing spring is abutted between the base and the stressed part.

By adopting the technical scheme, after the processing is finished, the transmission plate drives the push rod to move upwards, the needle withdrawing spring resets and pushes the side needle to move towards one end far away from the lampshade main body, so that the automatic needle withdrawing is realized, and the manual needle withdrawing is not needed.

Optionally, a concave die for supporting the lampshade main body is arranged below the top plate, and the lampshade main body can be sleeved on the concave die.

Through adopting above-mentioned technical scheme, add man-hour, with lamp shade main part back-off on the die, then process, the die can fix a position lamp shade main part, can support lamp shade main part again, reduces lamp shade main part and warp or impaired possibility in the course of working.

Optionally, the frame further comprises a bottom plate, and a limiting groove for inserting and positioning the lampshade main body is formed in the bottom plate.

Through adopting above-mentioned technical scheme, add man-hour, can install the lamp shade main part in the spacing groove, the spacing groove not only is favorable to judging the position of lamp shade main part installation, can also restrict its removal.

Optionally, a positioning pin is arranged at the bottom of the second guide groove, and a slot for inserting the positioning pin is formed in the bottom plate.

Through adopting above-mentioned technical scheme, during the installation curb plate, through with the locating pin insert simultaneously second guide way and slot can, the installation with dismantle swiftly.

Optionally, the punching pin further comprises a thimble vertically fixed on one side of the transmission plate close to the top plate, the thimble is opposite to the axis of the lampshade main body, and the side pin comprises at least two pins with different diameters.

By adopting the technical scheme, the ejector pins can punch holes in the top of the lampshade main body, and the side pins with different diameters can be provided with holes with different apertures in the lampshade main body for different purposes.

In a second aspect, the present application provides a lamp cover, which adopts the following technical solution:

the utility model provides a lampshade, includes the lampshade main part and sets up first mounting hole, louvre and the second mounting hole in the lampshade main part, and the lampshade main part is the round hopper form, and the second mounting hole sets up the tip at the less one end of lampshade main part, and louvre and first mounting hole set up in turn at the less one end of lampshade main part and set up along lampshade main part circumference, and the second mounting hole is formed by the processing of thimble, and louvre and first mounting hole are formed by the processing of the side needle of different diameters.

Through adopting above-mentioned technical scheme, the second mounting hole is used for establishing on the lamp pole with the cover, then utilizes the screw to fix first mounting hole and lamp pole, and the louvre is in time with the inside heat effluvium of lamp shade main part, reduces the possibility that lamps and lanterns generate heat.

Drawings

FIG. 1 is a schematic view of a prior art hole forming die punching a lamp enclosure;

FIG. 2 is a schematic view of the overall structure of a lamp housing according to an embodiment of the present application;

FIG. 3 is a schematic view of the overall structure of a hole forming die according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a sectional view taken in the direction B-B in FIG. 3;

FIG. 6 is a schematic sectional view of the embodiment of the present application when processed;

fig. 7 is an enlarged view of a portion C of fig. 6.

Description of reference numerals: 1. a lampshade main body; 11. a first mounting hole; 12. heat dissipation holes; 13. a second mounting hole; 14. folding edges; 2. punching a needle; 21. a side needle; 211. a main body; 212. a force receiving portion; 22. a thimble; 3. a frame; 31. a top plate; 311. a channel; 312. a first guide groove; 313. needle path; 32. a base; 321. a slideway; 322. accommodating grooves; 33. a side plate; 331. a second guide groove; 34. a base plate; 341. a limiting groove; 342. a slot; 4. a transmission mechanism; 41. a drive plate; 411. mounting a plate; 412. a connecting plate; 42. a push rod; 5. a guide mechanism; 51. a guide bar; 52. a guide sleeve; 6. a discharge spring; 7. a needle withdrawing spring; 8. a female die; 9. and a positioning pin.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses lamp shade and hole forming die.

Referring to fig. 2, a lampshade comprises a lampshade body 1, a first mounting hole 11, a heat dissipation hole 12 and a second mounting hole 13, wherein the first mounting hole, the heat dissipation hole 12 and the second mounting hole 13 are formed in the lampshade body 1, the lampshade body 1 is in a round hopper shape, the side wall of the larger end of the lampshade body 1 is outwards and vertically folded to form a folding edge 14, and the possibility that people are scratched at the bottom of the lampshade body 1 is reduced. The second mounting hole 13 sets up the tip at the less one end of lamp shade main part 1, is used for inserting the lamp pole during the installation, and louvre 12 and second mounting hole 13 set up in turn at the less one end of lamp shade main part 1 and set up along 1 circumference of lamp shade main part, then utilize the screw to fix second mounting hole 13 and lamp pole, and louvre 12 in time is with the inside heat effluvium of lamp shade main part 1, reduces the possibility that lamps and lanterns generated heat.

Referring to fig. 3 and 4, the hole forming mold includes a punching pin 2, a frame 3, and a driving mechanism 4 for driving a plurality of punching pins 2 to simultaneously punch a lamp housing body 1.

The rack 3 includes a top plate 31, a base 32, side plates 33 and a bottom plate 34, the bottom plate 34 is a rectangular plate and is horizontally arranged, a circular limiting groove 341 is formed in the bottom plate 34, and when machining is performed, the lampshade body 1 can be installed in the limiting groove 341, so that the installation position of the lampshade body 1 can be judged conveniently, and the lampshade can be limited to move.

Referring to fig. 4 and 5, the bottom plate 34 has circular slots 342 formed at opposite ends thereof for receiving the side plates 33. The curb plate 33 is the rectangular plate, opens the vertical second guide way 331 that runs through in the curb plate 33, and the cylindrical locating pin 9 has been pegged graft to second guide way 331 bottom, and the locating pin 9 is kept away from second guide way 331 one end and is inserted and establish in slot 342 to when installing curb plate 33, through with locating pin 9 insert second guide way 331 and slot 342 simultaneously can, installation and dismantlement are swift.

Referring to fig. 6 and 7, the top plate 31 is welded and fixed at one end of the side plate 33, which is far away from the bottom plate 34, the base 32 is welded and fixed at the bottom wall of the top plate 31, the base 32 and the lampshade main body 1 are arranged at positions, which need to be processed with holes, opposite to each other, a through slide 321 is arranged on the base 32, the punching pin 2 comprises a side pin 21 and an ejector pin 22, the side pin 21 is slidably mounted in the slide 321, the side pin 21 comprises a main body 211 and a stress part 212 integrally formed at the end of the main body 211, the main body 211 is cylindrical, the stress part 212 is in a circular plate shape and is coaxially arranged with the main body 211, one end of the main body 211, which is close to the stress part 212, is sleeved with a pin withdrawing spring 7, and the pin withdrawing spring 7 abuts between the base 32 and the stress part 212, so that after processing is finished, the pin withdrawing spring 7 resets and pushes the side pin 21 to move towards one end, which is far away from the lampshade main body 1, thereby realizing automatic pin withdrawing without manual pin withdrawing. In order to reduce the possibility of displacement of the needle withdrawing spring 7, one end of the base 32, which is away from the lampshade body 1, is provided with a containing groove 322, one end of the needle withdrawing spring 7 is bonded and fixed on the side wall of the containing groove 322, and the other end of the needle withdrawing spring 7 is abutted against the force-bearing part 212.

The transmission mechanism 4 comprises a transmission plate 41 and a push rod 42, the transmission plate 41 is rectangular, the transmission plate 41 is arranged above the top plate 31 in parallel and connected with an external lifting mechanism, the transmission plate 41 comprises a mounting plate 411 and a connecting plate 412, and the connecting plate 412 is provided with a plurality of mounting holes for connecting with the external lifting mechanism. The external lifting mechanism can be an air cylinder, a hydraulic cylinder or a jack, and the power output end of the external lifting mechanism is fixed with the connecting plate 412 through a screw and used for driving the connecting plate 412 to lift. The mounting plate 411 is fixed to the connecting plate 412 near the top plate 31 by screws, and the push rod 42 is quadrangular, and in other embodiments, the push rod 42 may have other three-dimensional structures.

Referring to fig. 1 and 6, the push rod 42 is vertically fixed on one side of the mounting plate 411 close to the top plate 31, a channel 311 for the push rod 42 to pass through is formed in the top plate 31, the push rod 42 is arranged opposite to the side needle 21, one side of the bottom of the push rod 42 close to the side needle 21 is gradually narrowed to form an inclined surface, one end of the stress part 212 far away from the main body 211 is a spherical surface, so that when the driving plate 41 is driven to move downwards by an external lifting mechanism, the driving plate 41 drives the push rods 42 to move downwards simultaneously, the inclined surfaces of the push rods 42 are in contact with the side needles 21 simultaneously, and the side needles 21 are pressed to move towards the lampshade main body 1 and a plurality of holes are punched at different positions of the lampshade main body 1 simultaneously. The side needles 21 comprise needles with two different diameters, wherein one side needle 21 is 10.5mm in diameter and used for machining the first mounting hole 11, and the other side needle 21 is 4.5mm in diameter and used for machining the heat dissipation hole 12. The thimble 22 is vertically fixed on one side of the mounting plate 411 close to the top plate 31, the diameter of the thimble 22 is 38mm, a needle channel 313 for the thimble 22 to pass through is opened on the top plate 31, and the thimble 22 is opposite to the axis of the lampshade main body 1 and is used for processing the second mounting hole 13.

Referring to fig. 5, a guide mechanism 5 is arranged between the mounting plate 411 and the side plate 33, the guide mechanism 5 includes a guide rod 51 and a guide sleeve 52, the guide rod 51 is cylindrical, the guide rod 51 is vertically fixed on one side of the mounting plate 411 close to the top plate 31, a first guide groove 312 for the guide rod 51 to penetrate is arranged in the top plate 31, a second guide groove 331 is coaxially arranged with and communicated with the first guide groove 312, the guide sleeve 52 is in a circular tube shape, the guide sleeve 52 is adhesively fixed on the inner walls of the second guide groove 331 and the first guide groove 312, the inner wall of the guide sleeve 52 is abutted against the side wall of the guide rod 51, when the external lifting mechanism drives the driving plate 41 to move up and down, the guide rod 51 slides in the second guide groove 331 and the first guide groove 312, the possibility of skew occurring when the driving plate 41 moves up and down can be reduced, and the positioning accuracy of the punch pin 2 is improved. The fit clearance between the guide sleeve 52 and the guide rod 51 is small, and the movement accuracy is further improved.

The driving plate 41 and the top plate 31 are mutually close to one side, a groove which is coaxially arranged is formed in the one side, a discharging spring 6 is fixedly bonded in the groove, and after the machining is finished, when the driving plate 41 is driven by an external lifting mechanism to move upwards, the discharging spring 6 resets to push the driving plate 41 upwards, so that the energy-saving effect is achieved.

Referring to fig. 6, a concave die 8 is arranged below the top plate 31, the side wall of the top end of the concave die 8 is abutted to the top end of the inner wall of the lampshade main body 1 and used for supporting the lampshade main body 1, and during machining, the concave die 8 can position the lampshade main body 1 and can support the lampshade main body 1, so that the possibility that the lampshade main body 1 deforms or is damaged in the machining process is reduced. The hollow part in the die 8 and the part opposite to the punching needle 2 are provided with through holes, so that the possibility that the punching needle 2 is crushed is reduced.

The implementation principle of a hole forming die of the embodiment of the application is as follows: add man-hour, with lamp shade main part 1 back-off to the die 8 of roof 31 below for the side needle 21 aligns with the position of treating the processing, then through outside elevating system drive driving plate 41 downstream, driving plate 41 drives many push rods 42 and moves down simultaneously, many push rods 42's inclined plane simultaneously with many side needle 21 contacts, and extrude many side needles 21 to move to lamp shade main part 1 and punch out a plurality of holes simultaneously at the different positions of lamp shade main part 1, not only operate laborsavingly, and the machining precision is high.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a hole forming die, is including being used for punching many towards needles (2) in hole on lamp shade main part (1), its characterized in that: the punching machine further comprises a rack (3) for mounting punching needles (2) and a transmission mechanism (4) for driving a plurality of punching needles (2) to punch towards the lampshade main body (1), wherein the rack (3) comprises a top plate (31) arranged horizontally and a base (32) fixed on the bottom wall of the top plate (31), the base (32) and the lampshade main body (1) are arranged in a position where holes need to be machined, the punching needles (2) comprise side needles (21) arranged horizontally, the side needles (21) are installed on the base (32) in a sliding manner, the transmission mechanism (4) comprises a transmission plate (41) and a push rod (42), the transmission plate (41) is arranged above the top plate (31) in parallel and connected with an external lifting mechanism, the push rod (42) is vertically fixed on one side, close to the top plate (31), of the top plate (31) is provided with a channel (311) for the push rod (42) to pass through, and the push rod (42) and the side needles (21) are arranged relatively, one side of the bottom of the push rod (42), which is close to the side needle (21), is gradually narrowed to form an inclined surface, and one end of the side needle (21), which is close to the inclined surface of the push rod (42), is an arc surface.

2. The hole-forming die of claim 1, wherein: be equipped with guiding mechanism (5) between driving plate (41) and frame (3), guiding mechanism (5) are including guide bar (51) of vertical fixation near roof (31) one side at driving plate (41), frame (3) still include curb plate (33), set up in roof (31) and supply first guide way (312) that guide bar (51) wore to establish, set up second guide way (331) that supply guide bar (51) to wear to establish in curb plate (33), second guide way (331) and first guide way (312) intercommunication.

3. The hole-forming die of claim 2, wherein: the guide mechanism (5) further comprises a tubular guide sleeve (52), the guide sleeve (52) is fixed in the second guide groove (331) and the first guide groove (312), and the inner wall of the guide sleeve (52) is abutted to the side wall of the guide rod (51).

4. The hole-forming die of claim 1, wherein: a discharging spring (6) is vertically fixed between the driving plate (41) and the top plate (31), and the end part of the discharging spring (6) is respectively fixed with one side of the driving plate (41) and the side of the top plate (31) close to each other.

5. The hole-forming die of claim 1, wherein: the side needle (21) comprises a main body (211) and a stress part (212) fixed at the end part of the main body (211), the end edge of the stress part (212) extends out of the main body (211), one end, close to the stress part (212), of the main body (211) is sleeved with a needle withdrawing spring (7), and the needle withdrawing spring (7) is abutted between the base (32) and the stress part (212).

6. The hole-forming die of claim 1, wherein: the lampshade is characterized in that a concave die (8) used for supporting the lampshade main body (1) is arranged below the top plate (31), and the lampshade main body (1) can be sleeved on the concave die (8).

7. The hole-forming die of claim 2, wherein: the frame (3) further comprises a bottom plate (34), and a limiting groove (341) for inserting and positioning the lampshade main body (1) is formed in the bottom plate (34).

8. The hole-forming die of claim 7, wherein: the bottom of the second guide groove (331) is provided with a positioning pin (9), and the bottom plate (34) is provided with a slot (342) for inserting the positioning pin (9).

9. The hole-forming die according to any one of claims 1 to 8, wherein: the punching needle (2) further comprises a thimble (22), the thimble (22) is vertically fixed on one side, close to the top plate (31), of the transmission plate (41), the thimble (22) is opposite to the axis of the lampshade main body (1), and the side needle (21) comprises at least two needles with different diameters.

10. A lamp housing, characterized in that: the hole forming die of claim 9, comprising a lampshade body (1), a first mounting hole (11), a heat dissipation hole (12) and a second mounting hole (13), wherein the first mounting hole, the heat dissipation hole (11) and the second mounting hole (13) are formed in the lampshade body (1), the lampshade body (1) is in a round hopper shape, the second mounting hole (13) is formed in the end portion of the smaller end of the lampshade body (1), the heat dissipation hole (12) and the first mounting hole (11) are alternately formed in the smaller end of the lampshade body (1) and are arranged along the circumferential direction of the lampshade body (1), the second mounting hole (13) is formed by processing an ejector pin (22), and the heat dissipation hole (12) and the first mounting hole (11) are formed by processing side pins (21) with different diameters.

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