CN216989444U

CN216989444U - Sheet metal processing equipment

Info

Publication number: CN216989444U
Application number: CN202220233211.XU
Authority: CN
Inventors: 杨泽民; 彭信尧; 曹健; 廖勇; 袁野; 田云丰; 潘攀; 杨帆; 杨小武
Original assignee: Chongqing Wangbian Electric Group Corp ltd
Current assignee: Chongqing Wangbian Electric Group Corp ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-19
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to the field of punching related equipment, and particularly discloses sheet metal machining equipment. The vertical shaft vertically penetrates through the base and the turntable, and a punching gap is formed between the base and the turntable; a plurality of through holes are formed in the base along the circumferential direction, and a plurality of punching units are arranged on the rotary table along the circumferential direction; the punching unit comprises a punch, a pressing block and a first spring, the first spring is positioned between the rotary table and the pressing block, two ends of the first spring are respectively abutted against the rotary table and the pressing block, the punch is vertically installed at the bottom of the pressing block, and the lower end of the punch vertically penetrates through the rotary table and is in sliding fit with the rotary table; the pressure plate is connected with a power part used for driving the pressure plate along the vertical direction. When the sheet metal machining equipment is used, the punch does not need to be replaced, and the adjusting efficiency is improved.

Description

Sheet metal processing equipment

Technical Field

The utility model relates to the field of punching related equipment, in particular to sheet metal machining equipment.

Background

Punching refers to a method for separating a material in a blank from the blank in a closed outline by using a punch to obtain a perforated workpiece, wherein the shape and the size of a hole formed in the material are the same as those of the punch, if holes with different shapes or sizes are to be machined, the punch needs to be replaced, the replacement operation of the punch is complex, and the replacement and adjustment efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide sheet metal machining equipment, so that a punch does not need to be replaced, and the adjustment efficiency is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme: a sheet metal machining device comprises a support, a base, a rotary table, a vertical shaft and a pressing plate, wherein the base is rotatably arranged on the support, the rotary table is positioned above the base, the vertical shaft vertically penetrates through the base and the rotary table, the base and the rotary table are rotatably connected with the vertical shaft, and a punching gap is formed between the base and the rotary table; a plurality of through holes are formed in the base along the circumferential direction, a plurality of punching units are arranged on the rotary table along the circumferential direction, the number of the punching units is smaller than or equal to that of the through holes, and the punching units correspond to the through holes one to one; the punching unit comprises a punch, a pressing block and a first spring, the pressing block is positioned above the turntable, the first spring is positioned between the turntable and the pressing block, two ends of the first spring are respectively abutted against the turntable and the pressing block, the punch is vertically installed at the bottom of the pressing block, and the lower end of the punch vertically penetrates through the turntable and is in sliding fit with the turntable; the pressing plate is positioned above any one pressing block and is connected with a power part used for driving the pressing plate vertically.

The beneficial effect of this scheme does:

be equipped with a plurality of drifts on the carousel in this scheme, and the shape or the size of different drifts are different, so when needing the different hole of processing, the carousel can make the drift of needs rotate to the processing position, so use different drifts can accomplish processing, and need not pull down original drift earlier, install new drift again, convenient operation, and adjustment efficiency is higher, effectively improves machining efficiency.

Further, a pull rod is vertically arranged on the pressing plate, the vertical shaft and the pull rod are both connected with the pressing plate, two power parts are arranged, and the two power parts are respectively connected with the vertical shaft and the pull rod and are respectively used for driving the vertical shaft and the pull rod to slide along the vertical direction; the vertical shaft is simultaneously connected with the base and the turntable in a sliding way.

The beneficial effect of this scheme does: the pull rod and the vertical shaft in the scheme can drive the pressing plate downwards, so that the two sides of the pressing plate are stressed uniformly, the pressing plate can be prevented from deforming after long-time use, and the service life of the pressing plate is effectively prolonged.

Furthermore, the upper ends of the vertical rods and the pull rods all penetrate through the pressing plate, the limiting blocks are installed at the upper ends of the vertical rods and the pull rods, and the limiting blocks are abutted to the top of the pressing plate.

The beneficial effect of this scheme does: the stopper can carry on spacingly to the clamp plate, when driving the clamp plate downwards through montant and pull rod, avoids clamp plate and montant and pull rod to drop to guarantee that the clamp plate can the lapse, press the drift downwards, guarantee going on smoothly of punching a hole.

Furthermore, a plurality of positioning holes are formed in the side wall of the rotary table along the circumferential direction, the central angle between every two adjacent positioning holes is smaller than or equal to the central angle between every two adjacent through holes, and the central angle between every two adjacent through holes is a multiple of the central angle between every two adjacent positioning holes; the support is provided with a positioning block, and the positioning block is provided with a locking hole which can be opposite to the positioning hole.

The beneficial effect of this scheme does: need rotate carousel and base when the different hole of needs processing, locating hole and locking hole in this scheme align the back, will insert like rod-like structure such as locating pin and align locating hole and locking hole and can fix a position the base, need not the manual work and fix a position and can avoid base and carousel to rotate in the course of working, and the locate mode in this scheme is simple moreover, the operation of being convenient for.

Further, the locking hole is a threaded hole.

The beneficial effect of this scheme does: can adopt in this scheme if bolt etc. take screwed rod-like structure to fix a position, the bolt can with locating piece threaded connection this moment, can not follow the roll-off in the locking hole at the positioning process, can keep the location for a long time.

Furthermore, an annular groove is formed in the side wall of the rotary table, a guide block is arranged on the positioning block, and one end, far away from the positioning block, of the guide block is located in the annular groove.

The beneficial effect of this scheme does: when the base rotates, the annular groove and the guide block are matched to enable the rotation to be more stable.

Furthermore, a plurality of grooves are distributed on the side wall of the rotary table along the circumferential direction, the grooves correspond to the positioning holes one by one, the heights of the grooves and the annular groove are equal, and the depth of each groove is greater than that of the annular groove; a second spring used for pushing the guide block to one side far away from the positioning block is arranged between the guide block and the positioning block.

The beneficial effect of this scheme does: when the base rotates, the groove and the guide block are in relative positions, the guide block can slide into the aligned groove under the action of the spring, the base can be continuously rotated by larger force, and the operator can judge whether the base rotates in place through the change of the received resistance, so that the rotating position does not need to be observed constantly, and the operation is further simplified.

Furthermore, one end of the guide block, which is far away from the positioning block, is an arc-shaped surface.

The beneficial effect of this scheme does: when the punch that does not need rotates to the processing position, the guide block in this scheme can be more easy from the recess roll-off to the continuation that can be more relaxed rotates the base.

Furthermore, a punching sleeve is detachably connected in the positioning hole, and the cross section of the punching sleeve is annular.

The beneficial effect of this scheme does: when punching a hole, the lower extreme of drift and the waste material that punches a hole and produce can pass the through-hole downwards, can lead to the through-hole to damage after long-time, can protect the lateral wall of through-hole after the cover installation that punches a hole in this scheme, avoid the lateral wall of through-hole direct and drift or waste material contact, and the cover that punches a hole damage the back change of also being convenient for, and do not need whole change base, the maintenance is simple. In addition, when the size or shape of the through hole does not match the punch, adjustment can also be made by the punch sleeve.

Furthermore, a fixed block is fixed at the top of the pressing block, and an adjusting part is connected to the fixed block through threads.

The beneficial effect of this scheme does: after first spring uses for a long time and leads to taking place slight deformation, the length that first spring can extend reduces, the increase of distance between briquetting and the clamp plate, in this embodiment, accessible rotating regulating part adjusts the height of regulating part to make the height of regulating part upper end can not change, guarantee that the clamp plate slides down the same distance and can punch a hole.

Drawings

FIG. 1 is a perspective view of example 1 of the present invention;

FIG. 2 is a top view of a turntable in embodiment 2 of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a perspective view of a punching unit in embodiment 3 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a support 1, a pressing plate 2, a vertical shaft 21, a limiting block 22, a pull rod 3, a base 4, a through hole 41, an annular groove 42, a groove 43, a positioning hole 44, a turntable 5, a vertical hole 51, an extension sleeve 52, a punch 6, a pressing block 7, a first spring 71, a shell 72, a fixing block 73, an adjusting part 8, a positioning block 9, a locking hole 91, a guide groove 92, a guide block 93, a lug 94 and a second spring 95.

Example 1

The utility model provides a sheet metal working equipment, is shown as figure 1, including support 1, base 4, carousel 5, vertical axis 21 and clamp plate 2, and base 4 places at 1 top of support, and carousel 5 locates 4 tops of base, is equipped with between base 4 and the carousel 5 to support the cover, supports cover and 4 integrated into one piece of base, and supports the top welding of cover at the top of carousel 5, makes and forms the gap that punches a hole between carousel 5 and the base 4. The top of the rotary disc 5 is integrally formed with an extension sleeve 52, and the base 4, the support sleeve, the rotary disc 5 and the extension sleeve 52 are coaxial in the embodiment. The vertical shaft 21 vertically penetrates through the extension sleeve 52, the rotary table 5, the support sleeve and the base 4, an inner cavity is formed in the support 1, and the lower end of the vertical shaft 21 extends into the inner cavity; the right side of carousel 5 is equipped with pull rod 3, and the vertical top that runs through the inner chamber of pull rod 3, the lower extreme of vertical axis 21 and pull rod 3 all are equipped with power spare, and power spare in this embodiment adopts the pneumatic cylinder, and when actually implementing, if this equipment is used for punching a hole to the less material of intensity such as plastics, cardboard, then power spare also can adopt the cylinder for can along vertical promotion with vertical axis 21 and pull rod 3. The top of carousel 5 is equipped with clamp plate 2, vertical axis 21 and pull rod 3 along vertical running through clamp plate 2 and with 2 interference fit of clamp plate, the equal threaded connection in upper end of vertical axis 21 and pull rod 3 has stopper 22, and stopper 22's bottom offsets with the top of clamp plate 2.

Evenly be equipped with a plurality of through-holes 41 along circumference on the base 4, evenly be equipped with a plurality of vertical holes 51 along circumference on the carousel 5, the quantity of vertical hole 51 is the same with through-hole 41, and vertical hole 51 and through-hole 41 one-to-one. The turntable 5 is provided with a plurality of punching units along the circumferential direction, specifically, the number of the punching units is determined according to the shape and the size of the hole to be processed, and the number of the punching units can be less than or equal to the number of the vertical holes 51. The punching units correspond to the vertical holes 51 one by one, each punching unit comprises a punch 6, a first spring 71 and a pressing block 7, and the punch 6 vertically penetrates through the vertical holes 51 and is in sliding fit with the rotary table 5. The two pressing blocks 7 are arranged, one pressing block 7 is welded with the upper end of the punch 6, the punch 6 penetrates through the other pressing block 7 and is in interference fit with the other pressing block 7, the uppermost pressing block 7 is lower than the bottom of the pressing plate 2, the width of the pressing plate 2 in the embodiment is slightly larger than the diameter of the pressing block 7, so that the pressing plate 2 can only press one pressing block 7 when sliding downwards, and one punch 6 is pressed downwards. An annular shell 72 is arranged between the two pressing blocks 7, the annular shell 72 is sleeved on the punch 6 and is glued with the two pressing blocks 7, and the upper part of the punch 6 is protected by the shell 72. The first spring 71 is located between the pressing block 7 and the rotary table 5 at the lowest position, the first spring 71 is sleeved on the punch 6, and two ends of the first spring respectively abut against the rotary table 5 and the pressing block 7.

The specific implementation process is as follows:

in the present embodiment, any one of the shape and the size of the different punches 6 is different, so that holes having different shapes or sizes can be formed by using the different punches 6. The lower part of the pressing plate 2 is a punching position, when punching is carried out, a corresponding punch 6 is selected according to a hole to be processed, the rotary table 5 and the base 4 are rotated during selection, the punch 6 is rotated to the lower part of the pressing plate 2, then a workpiece to be processed is placed in a punching gap and is opposite to the punch 6, then two power parts are started, and the vertical shaft 21 and the pull rod 3 are pulled downwards by the two power parts simultaneously, so that the pressing plate 2 slides downwards. The pressing plate 2 impacts the pressing block 7 downwards, so that the punch 6 moves downwards quickly to punch the workpiece.

After punching is finished, the two power parts are controlled to enable the vertical shaft 21 and the pull rod 3 to reset upwards, the pressing plate 2 resets upwards along with the vertical shaft and does not press the pressing block 7 downwards, the punch 6 resets upwards under the action of the first spring 71, and punching of a workpiece is finished.

Example 2

On the basis of embodiment 1, as shown in fig. 2 and 3, the outer wall of the rotating disk 5 in this embodiment is provided with an annular groove 42 and a plurality of grooves 43, the grooves 43 are located in the annular groove 42, and the depth of the grooves 43 is greater than that of the annular groove 42. The side of the annular groove 42 is provided with positioning holes 44, the positioning holes 44 in the present embodiment are higher than the annular groove 42, the number of the grooves 43, the positioning holes 44 and the through holes 41 in the present embodiment is the same, and the central angle between the adjacent grooves 43, the central angle between the adjacent positioning holes 44 and the central angle between the adjacent through holes 41 are the same.

The right side of carousel 5 is equipped with locating piece 9, and locating piece 9 passes through the mounting of screw on support 1, is equipped with locking hole 91 on the locating piece 9, and after carousel 5 rotated, locking hole 91 aligns with locating hole 44, and locking hole 91 in this embodiment is the screw hole, so can fix a position carousel 5 after passing the locking hole 91 and the locating hole 44 of aligning with bolt or screw rod this moment.

The positioning block 9 is provided with a guide groove 92, a guide block 93 is arranged in the guide groove 92, and the right end of the guide block 93 penetrates through the positioning block 9 and is in sliding fit with the positioning block 9. The left end of the guide block 93 is a spherical surface, the left end of the guide block 93 is positioned in the annular groove 42, an annular projection 94 is integrally formed on the side wall of the guide block 93, and the outer diameter of the projection 94 is larger than the diameter of the guide block 93. The right side of the projection 94 is provided with a second spring 95, the second spring 95 is sleeved on the guide block 93, two ends of the second spring 95 respectively abut against the right walls of the projection 94 and the guide groove 92, and when the locking hole 91 is aligned with the positioning hole 44, the right end of the guide block 93 is located in the groove 43.

When 5 rotations of carousel in this embodiment, guide block 93 slides along ring channel 42, and when one of them drift 6 rotated to the position of punching a hole, locating hole 44 aligns with locking hole 91, and guide block 93 slides in recess 43, needs bigger power could continue to rotate base 4 this moment, and the operator can rotate to the position of punching a hole and judge whether through the resistance change that receives drift 6 this time, and need not observe constantly, and the operation is simpler.

When the punch 6 is not the punch 6 required for use, the left end of the guide block 93 can slide out of the groove 43 by increasing the pushing force to the rotary disc 5, and at this time, the rotary disc 5 can be continuously rotated until the required punch 6 is rotated to the punching position.

Example 3

On the basis of embodiment 2, as shown in fig. 4, a fixed block 73 is welded on the uppermost pressing block 7 in this embodiment, an adjusting member 8 is arranged on the fixed block 73, the adjusting member 8 in this embodiment is a bolt, the adjusting member 8 vertically penetrates through the fixed block 73 and the uppermost pressing block 7 and is in threaded fit with the upper end of the punch 6, and the adjusting member 8 in this embodiment is in threaded fit with the fixed block 73.

The regulating part 8 in this embodiment contacts with the pressing plate 2, and after the first spring 71 is used for a long time and causes slight deformation, the length that the first spring 71 can extend is reduced, and the distance between the pressing block 7 and the pressing plate 2 is increased.

In practical implementation, the punching sleeve can be installed in the through hole 41 through a screw, the diameter of the through hole 41 can be increased, the outer wall of the punching sleeve is attached to the side wall of the through hole 41, the outer wall of the punching sleeve is slightly larger than the diameter of the punch 6, when waste materials are clamped into the punching sleeve or the punching sleeve is damaged, the punching sleeve can be replaced, and maintenance is simple.

The above description is only an example of the present invention, and the general knowledge of the known specific technical solutions and/or characteristics and the like in the solutions is not described herein too much. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, and these should also be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A sheet metal processing apparatus characterized in that: the punching device comprises a support, a base, a rotary table, a vertical shaft and a pressing plate, wherein the base is rotatably arranged on the support, the rotary table is positioned above the base, the vertical shaft vertically penetrates through the base and the rotary table, the base and the rotary table are rotatably connected with the vertical shaft, and a punching gap is formed between the base and the rotary table; the base is circumferentially provided with a plurality of through holes, the turntable is circumferentially provided with a plurality of punching units, the number of the punching units is less than or equal to that of the through holes, and the punching units are in one-to-one correspondence with the through holes; the punching unit comprises a punch, a pressing block and a first spring, the pressing block is positioned above the turntable, the first spring is positioned between the turntable and the pressing block, two ends of the first spring respectively abut against the turntable and the pressing block, the punch is vertically installed at the bottom of the pressing block, and the lower end of the punch vertically penetrates through the turntable and is in sliding fit with the turntable; the pressing plate is positioned above any one pressing block and is connected with a power part used for driving the pressing plate vertically.

2. The sheet metal working apparatus according to claim 1, wherein: the vertical shaft and the pull rod are connected with the pressing plate, and the two power parts are respectively connected with the vertical shaft and the pull rod and are respectively used for driving the vertical shaft and the pull rod to slide vertically; the vertical shaft is simultaneously connected with the base and the turntable in a sliding manner.

3. The sheet metal working apparatus according to claim 2, wherein: the upper ends of the vertical rod and the pull rod penetrate through the pressing plate, the limiting blocks are installed at the upper ends of the vertical rod and the pull rod, and the limiting blocks are abutted to the top of the pressing plate.

4. The sheet metal working apparatus according to claim 1, wherein: the side wall of the turntable is provided with a plurality of positioning holes along the circumferential direction, the central angle between adjacent positioning holes is smaller than or equal to the central angle between adjacent through holes, and the central angle between adjacent through holes is a multiple of the central angle between adjacent positioning holes; the support is provided with a positioning block, and the positioning block is provided with a locking hole which can be opposite to the positioning hole.

5. The sheet metal working apparatus according to claim 4, wherein: the locking hole is a threaded hole.

6. The sheet metal working apparatus according to claim 4, wherein: the lateral wall of carousel is equipped with the ring channel, be equipped with the guide block on the locating piece, the one end that the locating piece was kept away from to the guide block is located the ring channel.

7. The sheet metal working apparatus according to claim 6, wherein: a plurality of grooves are distributed on the side wall of the rotary table along the circumferential direction, the grooves correspond to the positioning holes one by one, the heights of the grooves and the annular groove are equal, and the depth of each groove is greater than that of the annular groove; and a second spring used for pushing the guide block to one side far away from the positioning block is arranged between the guide block and the positioning block.

8. The sheet metal working apparatus according to claim 7, wherein: one end of the guide block, which is far away from the positioning block, is an arc-shaped surface.

9. The sheet metal working apparatus according to claim 1, wherein: the punching sleeve is detachably connected in the positioning hole, and the cross section of the punching sleeve is annular.

10. The sheet metal working apparatus according to claim 1, wherein: the top of briquetting is fixed with the fixed block, and threaded connection has the adjusting part on the fixed block.