CN212350067U

CN212350067U - Punching die in lower pipe of electric vehicle

Info

Publication number: CN212350067U
Application number: CN202020276430.7U
Authority: CN
Inventors: 宫存虎
Original assignee: Geant China Co ltd
Current assignee: Geant China Co ltd; Giant China Co Ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2021-01-15
Anticipated expiration: 2030-03-09

Abstract

The utility model relates to an electric motor car low tube interior cut-out press, including last mould subassembly, lower bolster and with lower bolster fixed connection's locating component, go up the mould subassembly and include from the top down fixed connection's die shank, cope match-plate pattern, briquetting and terrace die fixed block in proper order, lower bolster and terrace die fixed block set up relatively, the fixed terrace die that is equipped with of terrace die fixed block upside, the fixed die that is equipped with on the lower bolster, the one end of die is equipped with the locating piece, the head of terrace die is located the top of die, the pipe fitting that punches a hole is arranged in on the die and the both ends of pipe fitting are fixed through locating piece and locating component respectively, and the pipe fitting cover is located this moment the head of terrace die drives the terrace die and moves downwards and accomplish the interior punching. The utility model is simple in operation convenient, left out complicated burring process, greatly improved the quality that the pipe fitting punched a hole and the work efficiency of the process of punching a hole.

Description

Punching die in lower pipe of electric vehicle

Technical Field

The utility model relates to the technical field of mold, concretely relates to cut-out press in electric motor car low tube.

Background

At present, an outer punching die is adopted to process a threading hole of an electric vehicle lower pipe, burrs on the inner wall of a pipe fitting after punching is too large by adopting the method, so that the pipe fitting after processing needs to be deburred, the deburring operation is tedious in process and long in time consumption, and the condition that the burrs are not cleaned completely can also occur, so that an electric wire is cut off by the unclean burrs in the hole during subsequent electric vehicle assembly, and the quality problem of the whole trolley is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a cut-out press in electric motor car low tube, this mould carry out interior punching operation to the low tube, and the low tube inner wall is neat burr-free after the processing, has consequently left out the burring process, and has improved the qualification rate of product.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides an electric motor car is cut-out press down in tube, includes upper die component, lower bolster and with lower bolster fixed connection's locating component, upper die component includes from the top down fixed connection's die shank, cope match-plate pattern, briquetting and terrace die fixed block in proper order, lower bolster and terrace die fixed block set up relatively, the fixed terrace die that is equipped with of terrace die fixed block upside, the fixed die that is equipped with on the lower bolster, the one end of die is equipped with the locating piece, the head of terrace die is located the top of die, the pipe fitting that punches a hole is arranged in on the die and the both ends of pipe fitting are fixed through locating piece and locating component respectively, and the pipe fitting cover is located this moment the head of terrace die drives the terrace die and moves downwards and accomplish the interior.

Preferably, the upper surface of the female die is designed into an arc-shaped surface which is mutually attached to the surface of the pipe fitting.

Preferably, a punching head is fixedly arranged on the lower surface of the head of the male die, the punching head is positioned above the female die, and a gap is formed between the punching head and the upper surface of the female die.

Preferably, side baffles are fixedly arranged on two sides of the female die, a material returning block is fixedly arranged between the two side baffles and is positioned right above the female die, and a plurality of elastic pieces are arranged between the male die fixing block and the lower die plate.

Preferably, the positioning assembly is fixed on the lower template through a connecting block, and the height of the positioning assembly can be adjusted to meet different requirements.

Preferably, locating component includes connecting plate, regulating plate and locating plate, on the one end of connecting plate was fixed in the connecting block, the regulating plate was connected to the other end, the fixed locating plate that sets up in upper end of regulating plate, regulating plate swing joint can be followed the regulating plate and adjusted from top to bottom in the connecting plate.

Preferably, the adjusting plate is provided with a long strip-shaped sliding groove, the other end of the connecting plate is provided with a positioning pin, the positioning pin is inserted into the long strip-shaped sliding groove to fix the adjusting plate on the connecting plate, and the upper end of the positioning plate is an inclined surface.

Preferably, the lower die plate is provided with a guide pillar, the male die fixing block is provided with a guide sleeve, and the guide sleeve is movably sleeved on the guide pillar.

The utility model has the advantages that: the utility model mainly comprises an upper template, a pressing block, a male die fixing block, a male die, a lower template and a female die, wherein the upper surface of the male die fixing block is fixedly provided with the male die, the female die is fixed on the lower template, a pipe fitting to be punched is arranged on the female die, the two ends of the pipe fitting are limited by side baffles, the front end of the pipe fitting is abutted against a positioning block, the rear end of the pipe fitting is supported on a positioning component, the head part of the male die is inserted into the pipe fitting, a punching head below the head part of the male die is positioned right above the position to be punched of the pipe fitting, the side baffles, the positioning block and the positioning component are adopted to position the periphery of the pipe fitting, the positioning effect is good, the male die adopts a back-drawing type fixing method, the difficulty that the pipe fitting is difficult to punch holes in the pipe fitting because the space of the pipe fitting is small and the pipe, the quality of pipe fitting punching a hole and the work efficiency of the process of punching a hole have greatly been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of another view angle of the present invention;

FIG. 3 is a schematic diagram of the positions of the male die and the pipe of the present invention;

FIG. 4 is a schematic view of the positions of the female die and the pipe fitting of the present invention;

in the figure: 10-upper template, 11-die handle, 12-pressing block, 20-punch fixing block, 21-guide sleeve, 30-punch, 31-head, 32-punching head, 40-lower template, 41-guide post, 42-elastic piece, 50-die, 51-side baffle, 52-positioning block, 53-material withdrawing block, 54-arc surface, 60-connecting plate, 61-adjusting plate, 62-positioning plate and 70-pipe fitting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1-4, an electric vehicle lower tube inner punching die comprises an upper die assembly, a lower die plate 40 and a positioning assembly fixedly connected with the lower die plate, wherein the upper die assembly comprises a die shank 11, an upper die plate 10, a pressing block 12 and a male die fixing block 20 which are fixedly connected from top to bottom in sequence, the lower die plate and the male die fixing block are arranged oppositely, a male die 30 is fixedly arranged on the upper side of the male die fixing block 20, a female die 50 is fixedly arranged on the lower die plate 40, a positioning block 52 is arranged at one end of the female die, a head 31 of the male die is positioned above the female die, a punching pipe fitting 70 is arranged on the female die 50, two ends of the pipe fitting are respectively fixed through the positioning block 52 and the positioning assembly, the pipe fitting is sleeved on the head 31 of the male die, and the upper die assembly drives the male. All parts of the upper die assembly are fixedly connected through bolts, wherein the male die fixing block 20 and the lower die plate 40 are oppositely arranged, the male die fixing block is positioned above the lower die plate, the lower side of the upper die plate 10 is fixedly connected with the pressing block 12, the lower side of the pressing block is fixedly connected with the male die fixing block 20, the upper surface of the male die fixing block is fixedly provided with the male die 30, the female die 50 is fixed on the lower die plate 40, two sides of the female die 50 are provided with side baffles 51, the surface of the female die between the side baffles is an arc surface for placing a pipe fitting 70, the pipe fitting is a lower pipe of an electric vehicle, the two side baffles are used for guiding the pipe fitting to be placed in, after the pipe fitting is placed in place, the front end of the pipe fitting is abutted against the positioning block 52, the rear end of the pipe fitting is supported on the positioning assembly, the head of the male die is inserted into, the operation of punching a hole in to the pipe fitting is accomplished to the head of punching a hole on the terrace die, the utility model discloses well terrace die adopts back-pull formula fixed method, has solved because of the difficult point that punches a hole in the pipe fitting space is little, and the pipe fitting hole inner wall after processing through this mould is neat burr-free, consequently the utility model is simple in operation convenient, omit complicated burring process, greatly improved the quality that the pipe fitting punched a hole and the work efficiency of the process of punching a hole.

The lower template 40 is provided with a guide post 41, the punch fixing block 20 is provided with a guide sleeve 21, and the guide sleeve 21 is movably sleeved on the guide post 41. Specifically, four guide pillars are arranged on the lower template, four guide sleeves are arranged at corresponding positions of the male die fixing block, the guide sleeves penetrate through the male die fixing block and protrude below the male die fixing block, the guide sleeves are sleeved on the guide pillars and can move up and down along the guide pillars, in the operation process of the male die fixing block, the movement track of the male die fixing block is guaranteed, the operation stability of the upper die assembly is improved, and the punching accuracy is guaranteed. As shown in fig. 4, the upper surface of the female die 50 is designed to be an arc surface 54 which is attached to the surface of the pipe, and the arc surface can better match with the surface of the pipe, so that the punching quality is improved.

As shown in fig. 1, locating component is fixed in on the lower bolster 40 through the connecting block, locating component can adjust its height in order to satisfy different demands, locating component includes connecting plate 60, regulating plate 61 and locating plate 62, on the one end of connecting plate 60 was fixed in the connecting block, regulating plate 61 was connected to the other end, regulating plate 61's the fixed locating plate 62 that sets up in upper end, regulating plate 61 swing joint can be followed the regulating plate and adjusted from top to bottom in the connecting plate. The adjusting plate 61 is provided with a long strip-shaped sliding groove, the other end of the connecting plate 60 is provided with a positioning pin, the positioning pin is inserted into the long strip-shaped sliding groove to fix the adjusting plate on the connecting plate, the upper end of the positioning plate 62 is an inclined surface, and the adjusting plate is fixed after the positioning pin is screwed after the height of the adjusting plate is adjusted according to the height of the rear end of the pipe fitting by loosening the positioning pin.

As shown in fig. 3, a punching head 32 is fixed to a lower surface of the head of the punch 30, the punching head 32 is located above the die, a gap is formed between the punching head and an upper surface of the die, the pipe is inserted into the gap, and the punching head moves downward to complete an inner punching operation of the pipe.

As shown in fig. 2, side guards 51 are fixedly arranged on both sides of the female die 50, a material returning block 53 is fixedly arranged between the two side guards, the material returning block 53 is positioned right above the female die, and a plurality of elastic members 42 are arranged between the male die fixing block 20 and the lower die plate 40. The pipe fitting is guided into the arc-shaped surface of the female die through the side baffles on the two sides of the female die, the front end of the pipe fitting is resisted by the positioning block 52 positioned at the front end of the female die after the pipe fitting is in place, the rear end of the pipe fitting is supported on the positioning plate 62 of the positioning assembly, the punching head 32 of the male die is positioned between the female die 50 and the material returning block 53, the elastic part can be a spring, the upper end and the lower end of the spring are respectively fixed on the male die fixing block 20 and the lower die plate 40, when the male die fixing block runs downwards, the spring is compressed, when the downward pressure of the male die fixing block is relieved, the male die fixing block 20 moves upwards under the action of the restoring force of the spring to drive the male die and the pipe fitting to simultaneously move upwards, at the moment, the punching head of the male die is still in the pipe fitting, when the upper end of the pipe fitting is resisted by the material returning, and finally, resetting the punch fixing block 20 and the punch 30 to complete one-time punching.

The utility model discloses an operation process: inserting a pipe fitting 70 into the arc-shaped surface of the female die along the side baffles 51 at the two sides of the female die, after the pipe fitting is positioned, the front end of the pipe fitting is supported by the positioning block 52 at the front end of the female die, the rear end of the pipe fitting is supported on the positioning plate 62 of the positioning assembly, the head of the male die is inserted into the pipe fitting 70, the punching head 32 of the male die is positioned right above the position of the pipe fitting to be punched, starting a press button, the upper die assembly is driven by a punch slider to move downwards, the punching head 32 of the male die is driven to punch downwards to complete the internal punching operation of the pipe fitting, at the moment, the elastic part 42 is compressed, the male die fixing block 20 moves upwards under the restoring force of the elastic part, the male die 30 and the pipe fitting 70 are driven to move upwards simultaneously, the punching head of the male die is still positioned in the pipe fitting, when the upper end of the pipe fitting is supported by the, and (3) forming a hole after the punching head on the pipe fitting is pulled out, and finally resetting the male die fixing block 20 and the male die 30 so as to finish one-time punching operation.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an electric motor car lower tube cut-out press which characterized in that: comprises an upper die component, a lower die plate (40) and a positioning component fixedly connected with the lower die plate, the upper die component comprises a die handle (11), an upper die plate (10), a pressing block (12) and a male die fixing block (20) which are fixedly connected from top to bottom in sequence, the lower template and the male die fixing block are arranged oppositely, a male die (30) is fixedly arranged on the upper side of the male die fixing block (20), a female die (50) is fixedly arranged on the lower template (40), a positioning block (52) is arranged at one end of the female die, the head (31) of the male die is positioned above the female die, the pipe fitting (70) to be punched is arranged on the female die (50), two ends of the pipe fitting are fixed through the positioning block (52) and the positioning assembly respectively, the pipe fitting is sleeved on the head (31) of the male die at the moment, and the male die (30) is driven to move downwards when the upper die assembly moves downwards to complete the internal punching operation of the pipe fitting.

2. The electric vehicle lower pipe inner punching die according to claim 1, characterized in that: the upper surface of the female die (50) is designed into an arc-shaped surface (54) which is mutually attached to the surface of the pipe fitting.

3. The electric vehicle lower pipe inner punching die according to claim 1, characterized in that: the lower surface of the head of the male die (30) is fixedly provided with a punching head (32), the punching head (32) is positioned above the female die, and a gap is formed between the punching head and the upper surface of the female die.

4. The electric vehicle lower pipe inner punching die according to claim 1, characterized in that: the side baffles (51) are fixedly arranged on two sides of the female die (50), the material returning block (53) is fixedly arranged between the two side baffles, the material returning block (53) is located right above the female die, and a plurality of elastic pieces (42) are arranged between the male die fixing block (20) and the lower die plate (40).

5. The electric vehicle lower pipe inner punching die according to claim 1, characterized in that: the positioning assembly is fixed on the lower template (40) through a connecting block, and the height of the positioning assembly can be adjusted to meet different requirements.

6. The electric vehicle lower pipe inner punching die of claim 5, wherein: locating component includes connecting plate (60), regulating plate (61) and locating plate (62), on the one end of connecting plate (60) was fixed in the connecting block, regulating plate (61) was connected to the other end, fixed setting up locating plate (62) in the upper end of regulating plate (61), regulating plate (61) swing joint is in the connecting plate and can follow the regulating plate and adjust from top to bottom.

7. The electric vehicle lower pipe inner punching die of claim 6, wherein: the adjusting plate is characterized in that a long strip-shaped sliding groove is formed in the adjusting plate (61), a positioning pin is arranged at the other end of the connecting plate (60), the positioning pin is inserted into the long strip-shaped sliding groove to fix the adjusting plate to the connecting plate, and the upper end of the positioning plate (62) is an inclined plane.

8. The electric vehicle lower pipe inner punching die according to claim 1, characterized in that: the lower die plate (40) is provided with a guide pillar (41), the punch fixing block (20) is provided with a guide sleeve (21), and the guide sleeve (21) is movably sleeved on the guide pillar (41).