CN209935654U

CN209935654U - Punching machine with positioning function

Info

Publication number: CN209935654U
Application number: CN201920650387.3U
Authority: CN
Inventors: 张媛媛; 韩飞
Original assignee: Beijing Xin Lu Shun Auto Parts Factory
Current assignee: Beijing Xin Lu Shun Auto Parts Factory
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-14
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to a punching machine with positioning function, which comprises a frame, a striker for punching an iron plate, a driving device for driving the striker to ascend and descend and a workbench which is used for bearing the iron plate and is fixedly connected with the frame, wherein the upper surface of the workbench is provided with a bearing platform, two ends of one side of the bearing platform are provided with transverse positioning blocks, and one end of the bearing platform is fixedly provided with a longitudinal positioning device; the longitudinal positioning device comprises a fixed block fixedly connected with the bearing table and a positioning slide block connected with the upper surface of the fixed block in a sliding manner, and the upper surfaces of the bearing table, the fixed block and the positioning slide block are all positioned on the same plane; the fixed block is provided with a limiting device for limiting the position of the positioning slide block, and the positioning slide block is provided with a clamping device for clamping an iron plate. Can make iron plate one side parallel with plummer one side through horizontal locating piece, can press from both sides tightly iron plate one end in different positions through mobilizable clamping device to can carry out spacingly to the iron plate of different length, and then improve the precision of punching a hole.

Description

Punching machine with positioning function

Technical Field

The utility model belongs to the technical field of the technique of iron plate processing and specifically relates to a take piercing press of locate function is related to.

Background

In the modern industrial production process, punching an iron plate is a common iron plate processing mode, and the process of punching the iron plate is generally realized by an iron plate punching machine.

The utility model discloses a can refer to the present utility model patent of china that publication number is CN 207735406U, it discloses an iron plate piercing press, which comprises a frame, a firing pin for punching a hole to iron plate, a workstation for driving the drive arrangement of firing pin lift and be used for accepting iron plate and with frame fixed connection, fixed surface is provided with the plummer on the workstation, the both ends of plummer one side are provided with transverse positioning piece, one end is provided with the locating plate, transverse positioning piece can make iron plate one side of placing on the plummer keep parallel with plummer one side, locating plate butt iron plate one end, thereby can fix a position iron plate, and then punch a hole to iron plate at fixed position.

However, since the transverse positioning block and the positioning plate only provide a force for the iron plate to abut against, the iron plate is easily dislocated under the action of the punching machine or other external factors, thereby causing an error in the punching position.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take piercing press of locate function, the iron plate of placing on the device is difficult to the dislocation, and then has improved the precision of the position of punching a hole.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a punching machine with a positioning function comprises a rack, a striker for punching an iron plate, a driving device for driving the striker to ascend and descend and a workbench which is used for bearing the iron plate and fixedly connected with the rack, wherein a bearing table is arranged on the upper surface of the workbench, two ends of one side of the bearing table are provided with transverse positioning blocks, and one end of the bearing table is fixedly provided with a longitudinal positioning device; the longitudinal positioning device comprises a fixed block fixedly connected with the bearing table and a positioning slide block connected with the upper surface of the fixed block in a sliding manner, and the upper surfaces of the bearing table, the fixed block and the positioning slide block are all positioned on the same plane; the fixed block is provided with a limiting device for limiting the position of the positioning slide block, and the positioning slide block is provided with a clamping device for clamping an iron plate.

Through adopting above-mentioned technical scheme, place iron plate one side on the piercing press and keep parallel with plummer one side, one end can press from both sides tightly through clamping device to the position to iron plate has been injectd, because clamping device's clamp force, makes iron plate be difficult to the dislocation, and then has improved the precision of punching a hole, in addition, because clamping device can slide and have corresponding stop device on the fixed block through the location slider, thereby make vertical positioner can be applicable to the iron plate of different length.

The utility model discloses further set up to: clamping device includes through connecting plate and location slider articulated splint, splint keep away from between the one end of plummer and the location slider and be provided with compression state's spring, other end butt location slider upper surface is used for centre gripping iron plate.

Through adopting above-mentioned technical scheme, adopt the cooperation of spring and splint to come the centre gripping iron plate, simple structure and mechanical strength are higher to the process convenient operation and the clamping device itself that make device centre gripping iron plate are not fragile, durable.

The utility model discloses further set up to: the fixed block is provided with an I-shaped sliding groove, the positioning sliding block is arranged to be an I-shaped sliding block, and the positioning sliding block is connected with the fixed block in a sliding mode through the sliding groove.

Through adopting above-mentioned technical scheme, the spout through the I shape is mutually supported with the location slider and is realized the location slider and be connected with sliding of fixed block, and simple structure and joint strength are higher to the process convenient operation that makes the location slider remove on the fixed block and slider and fixed block not fragile, durable.

The utility model discloses further set up to: the limiting structure is provided with a plurality of clamping grooves which are formed in the side wall of the sliding groove and used for clamping the positioning sliding block.

Through adopting above-mentioned technical scheme, direct position through seting up the screens groove on the spout lateral wall to the location slider is injectd, and simple structure and joint strength are higher to make limit structure carry out spacing process operation convenience and spacing intensity comparatively stable to the location slider.

The utility model discloses further set up to: the firing pin passes through the press mold with drive arrangement fixed connection, the moulding-die include with set up the fixed die of drive arrangement below, be located fixed die below and be used for punching press the stamping die of iron plate and a plurality of be located between fixed die and the stamping die and be used for buffering the elastic component that the stamping die impacted fixed die, the position that the stamping die corresponds the firing pin is provided with the through-hole.

Through adopting above-mentioned technical scheme, fixed moulding-die can be fixed the below to drive arrangement with the firing pin, and the stamping die can be pressed the iron plate back with flattening and is punching a hole to iron plate, prevents that the vertical punching press inclined plane iron plate of firing pin from receiving serious damage, and then prolongs the life of firing pin. The through hole enables the striker to punch the iron plate through the punching die. The elastic piece is arranged to reduce the impact of the punching die on the fixed pressing die when the iron plate is punched, and to enable the punching die to move towards the direction away from the striker in the process of restoring the elastic piece when the striker is separated from the iron plate, thereby preventing the iron plate from rising along with the striker.

The utility model discloses further set up to: be provided with the counterpoint subassembly between plummer and the press die, the counterpoint subassembly includes the sleeve that one end and press die are connected and the counterpoint pole that one end and plummer are connected.

Through above-mentioned technical scheme, the sleeve is connected with the press die, whether counterpoint pole is connected with the plummer can judge whether press die aligns with the plummer position through the sleeve can with the counterpoint pole cover to the firing pin can be accurate punch a hole to iron plate.

The utility model discloses further set up to: the upper surface of workstation is provided with spacing spout and slides through spacing spout and workstation and be connected and be used for fixing the fixed subassembly on the workstation with the plummer.

Through above-mentioned technical scheme, fixed subassembly can be with the bearing table tightly fixed on the workstation. The limiting sliding groove can enable the fixing component to move relative to the workbench and can limit the moving position of the workbench.

The utility model discloses further set up to: the fixed component comprises a sliding block, a fixed screw, a fixing screw, a bolt and a compression nut, wherein the lower end of the sliding block is matched with the limiting sliding groove and is connected with the limiting sliding groove in a sliding mode, the fixing screw is connected with the sliding block in a sliding mode and is used for compressing the bearing platform on the workbench, the bolt penetrates through the upper surface of the sliding block to be in contact with the workbench and is in threaded connection with the sliding block, and the compression nut is in threaded connection with the fixing screw.

Through the technical scheme, the sliding block and the workbench are connected through the limiting sliding groove in a sliding mode, so that the fixing device can move relative to the workbench, and the fixing assembly can fix the bearing tables in different shapes. The fixed screw rod is connected with the fixed plate in a sliding mode, so that the fixed plate can move axially relative to the fixed screw rod, and the fixed plate can fix bearing tables with different thicknesses. The bolt penetrates through the upper surface of the sliding block to be in contact with the workbench and is in threaded connection with the sliding block, so that the sliding block is fixed on the workbench when the screw rod rotates downwards. The compression nut is in threaded connection with the fixing screw rod, so that the compression nut drives the fixing plate to compress the bearing table on the workbench.

The utility model discloses further set up to: a feed port for leading the passing waste out of the workbench is arranged at the center of the workbench; the upper surface of the bearing table is provided with a plurality of material through holes, and the material through holes are communicated with the material through holes; the upper port of the material passing hole is provided with a punching assembly, the upper surface of the punching assembly is flush with the upper surface of the bearing table, a limiting hole matched with the firing pin is arranged on the punching assembly, and the inner diameter of the material passing hole is larger than that of the limiting hole.

Through adopting above-mentioned technical scheme, because the footpath length of waste material equals the external diameter of injecing the hole, the footpath length of event waste material is less than the internal diameter in through-feed hole, even the waste material has deckle edge like this, also can not block in through-feed hole to make the waste material can flow smoothly to the through-feed mouth, and then guaranteed going on smoothly of the process of punching a hole.

The utility model discloses further set up to: the bearing table is provided with a plurality of mounting grooves for mounting the punching assembly, one end face of the punching assembly is provided with a plurality of fixing feet, and fixing grooves matched with the fixing feet are formed in the mounting grooves.

By adopting the technical scheme, the installation strength of the punching assembly on the bearing table is ensured, and the punching assembly is detachably connected with the bearing table; different firing pins and punching assemblies are adopted, holes with different sizes can be punched on the iron plate, and therefore the applicable punching range of the device is larger.

To sum up, the utility model discloses a beneficial technological effect does:

1. one side of the iron plate can be parallel to one side of the bearing table through the transverse positioning block, and one end of the iron plate can be clamped at different positions through the movable clamping device, so that the iron plates with different lengths can be stably limited, and the punching precision is improved;

2. the inner diameter of the material through hole is larger than the outer diameter of the waste material, so that the waste material can smoothly flow out through the material through hole;

3. the iron plate can be flattened through the pressing film, so that the punching precision is further improved, and unnecessary damage of the firing pin can be prevented.

Drawings

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

FIG. 2 is a schematic structural diagram of the internal structure of the present invention for embodying the punching;

FIG. 3 is a schematic structural view for showing the fitting relationship between the punching assembly and the mounting groove;

fig. 4 is a schematic structural view of the longitudinal positioning device of the present invention;

FIG. 5 is a schematic view of a structure for showing the matching relationship of the alignment assembly;

fig. 6 is a schematic structural view for embodying the internal structure of the fixing member.

In the figure, 1, a frame; 2. a work table; 21. a limiting chute; 22. a material inlet is formed; 23. a fixing assembly; 231. a slider; 232. fixing the screw rod; 233. a fixing plate; 234. a compression nut; 235. a bolt; 24. a bearing table; 241. a feed through hole; 242. a transverse positioning block; 243. mounting grooves; 2431. fixing grooves; 244. a punching assembly; 2441. a fixing leg; 2442. defining an aperture; 31. fixing the pressing die; 311. a striker; 312. an elastic member; 3121. a rubber pad; 32. stamping a die; 321. a through hole; 4. a longitudinal positioning device; 41. a fixed block; 42. a chute; 421. a clamping groove; 43. positioning the sliding block; 44. a connecting plate; 45. a splint; 46. a spring; 47. a magnetic block; 5. aligning the assembly; 51. a sleeve; 52. an alignment rod; 6. a drive device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the punching machine with the positioning function comprises a frame 1, a striker 311 for punching an iron plate, a driving device 6 for driving the striker 311 to ascend and descend, a pressing die for fixing the striker 311 to the driving device 6, and a workbench 2 which is used for receiving the iron plate and is fixedly connected with the frame 1.

Referring to fig. 1 and 2, the die includes a fixed die 31 fixedly connected to the lower end surface of the driving device 6, a plurality of elastic members 312 fixedly connected to the fixed die 31, and a press die 32 located below the elastic members 312 and fixedly connected to the elastic members 312. Wherein, the elastic element 312 is a rubber pad 3121; the lower end surface of the fixed pressing die 31 is fixedly connected with the firing pin 311; the punching die 32 is provided with a through hole 321 at a position corresponding to the striker 311; one end of the striker 311 is inserted into the through hole 321 in a state where the iron plate is not punched.

Referring to fig. 1 and 2, a feed opening 22 for guiding the passing scrap out of the table 2 is provided at a central position of the table 2. The upper surface of the worktable 2 is provided with a bearing platform 24 connected with the worktable 2 in a sliding way.

With reference to fig. 2 and 3, the upper surface of the plummer 24 is provided with a plurality of circular mounting grooves 243, a material passing hole 241 is arranged at the center of the mounting groove 243, the inner diameter of the material passing hole 241 is larger than the outer diameter of the firing pin 311 and is communicated with the material passing opening 22; a plurality of square fixing grooves 2431, preferably four, are arranged in the mounting groove 243; a punch assembly 244 is installed in the installation groove 243. The punching assembly 244 includes a cylindrical body which is form-fitted with the mounting groove 243 and four fixing legs 2441 which are provided on one end surface of the body and correspond to the fixing grooves 2431 one by one, and a limiting hole 2442 having an inner diameter matched with an outer diameter of the striker 311 is provided at a middle position of the punching assembly 244. The upper surface of punch assemblies 244 is flush with the upper surface of carrier table 24.

The diameter length of the waste is equal to the inner diameter of the limiting hole 2442, so that the diameter length of the waste is smaller than the inner diameter of the material passing hole 241, and the waste cannot be clamped in the material passing hole 241 even if burrs exist on the waste, so that the waste can smoothly flow to the material passing hole 22, and the smooth operation of a punching process is ensured; the arrangement mode realizes the detachable connection of the punching assembly 244 and the bearing platform 24 on the basis of ensuring the connection strength of the punching assembly 244 and the bearing platform 24, and can be realized by installing different punching assemblies 244 and striker 311 when holes with different sizes are punched on an iron plate, so that the punching range applicable to the device is larger.

Referring to fig. 1, lateral positioning blocks 242 are fixedly disposed at both ends of one side of the susceptor 24.

With reference to fig. 1 and 4, a longitudinal positioning device 4 is fixedly disposed at one end of the bearing platform 24. The longitudinal positioning device 4 comprises a fixing block 41 fixedly connected with the bearing table 24 through one end, and the fixing block 41 is arranged to pass through a PVC plate. The upper surface of the fixed block 41 is provided with an I-shaped sliding groove 42, one end of the sliding groove 42, which is far away from the bearing platform 24, is open, the sliding groove 42 is connected with an I-shaped positioning sliding block 43 in a sliding manner, and the positioning sliding block 43 is made of iron, and the top surface of the positioning sliding block is hinged with a clamping plate 45 through an integrally arranged connecting plate 44. Two springs 46 in a compressed state are arranged between one end of the clamping plate 45 away from the bearing platform 24 and the positioning slide block 43 so that the other end of the clamping plate 45 is tightly abutted against the top surface of the positioning slide block 43. In order to limit the horizontal position of the positioning slider 43, a plurality of blocking grooves 421 capable of blocking the positioning slider 43 are formed on the same side of the sliding groove 42 according to the size of the punching iron plate, a magnetic block 47 is arranged on one side of the fixing block 41, which is far away from the sliding groove 42 and corresponds to the blocking groove 421, and the positioning slider 43 can be sucked into the blocking groove 421 through the magnetic block 47. The iron plates with different lengths can be positioned by clamping one end of the iron plate at different positions through the matching of the positioning sliding block 43 and the clamping plate 45.

Referring to fig. 1 and 5, a plurality of alignment assemblies 5 are disposed between the bearing platform 24 and the stamping die 32, and each alignment assembly 5 includes a sleeve 51 having one end fixedly connected to the stamping die 32 and an alignment rod 52 having one end fixedly connected to the bearing platform 24. Wherein the radius of the aligning rod 52 is equal to the inner diameter of the sleeve 51. When the alignment rod 52 can slide relative to the sleeve 51, it indicates that the alignment of the carrier table 24 and the stamping die 32 is successful.

With reference to fig. 1 and 6, the upper surface of the worktable 2 is provided with a limiting chute 21 and a fixing assembly 23 slidably connected with the worktable 2 through the limiting chute 21 and used for fixing a bearing platform 24 on the worktable 2. Wherein the limiting sliding groove 21 is an inverted T-shaped limiting sliding groove 21. The fixing assembly 23 includes a sliding block 231, a fixing plate 233, a bolt 235 and a compression nut 234, wherein the sliding block 231 is matched with the limiting sliding groove 21 at the lower end and is connected with the limiting sliding groove 21 in a sliding manner, the fixing plate 233 is fixedly connected with the upper surface of the sliding block 231 in a sliding manner and is used for compressing the bearing platform 24 onto the workbench 2, the bolt 235 penetrates through the upper surface of the sliding block 231 to be in contact with the workbench 2 and is in threaded connection with the sliding block 231, and the compression nut 234 is in threaded connection with the fixing screw 232.

The specific working process is as follows: when punching the iron plate, the carrier table 24 is moved. When the alignment rods 52 correspond to the corresponding sleeves 51, the four-directional sliders 231 are moved so that the fixing plates 233 can be pressed against the edges of the upper surface of the susceptor 24. The bolts 235 are then tightened to secure the slide 231 to the table 2. The compression nut 234 is then tightened so that the mounting plate 233 tightly presses the carrier table 24 against the table 2. Then, one side of the iron plate is limited and placed on the bearing table 24 according to the position of the transverse positioning block 242, the position of the positioning slide block 43 is adjusted according to the punching position and the length of the iron plate, the positioning slide block 43 is clamped and fixed in the clamping groove 421, and then the iron plate is clamped through the clamping plate 45, so that the limitation on the position of the iron plate can be realized. The driving device 6 is then activated, so that the driving device 6 drives the pressing die and the striker 311 to move down rapidly. When the press die 32 comes into contact with the iron plate, the rubber pad 3121 is compressively deformed. At this time, the iron plate is completely pressed by the press die 32. The striker 311 punches the iron plate through the through hole 321. The punched waste leaves the table 2 through the through-hole 241 and the through-hole 22 in this order. After the punching is finished, the driving device 6 drives the pressing die to rise rapidly. When the press die 32 is just separated from the iron plate, the rubber pad 3121 begins to relax and return to its original shape, and at this time, the striker 311 retracts from the iron plate into the through hole 321. And finishing punching.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a take piercing press of locate function, includes frame (1), is used for striker (311) to iron plate punch a hole, is used for driving drive arrangement (6) that striker (311) go up and down and is used for accepting iron plate and with frame (1) fixed connection's workstation (2), its characterized in that: a bearing table (24) is arranged on the upper surface of the workbench (2), transverse positioning blocks (242) are arranged at two ends of one side of the bearing table (24), and a longitudinal positioning device (4) is fixedly arranged at one end of the bearing table (24); the longitudinal positioning device (4) comprises a fixed block (41) fixedly connected with the bearing table (24) and a positioning slide block (43) connected with the upper surface of the fixed block (41) in a sliding manner, and the upper surfaces of the bearing table (24), the fixed block (41) and the positioning slide block (43) are all located on the same plane; the fixed block (41) is provided with a limiting structure for limiting the position of the positioning sliding block (43), and the positioning sliding block (43) is provided with a clamping device for clamping an iron plate.

2. The punching machine with the positioning function according to claim 1, wherein: the clamping device comprises a clamping plate (45) hinged with the positioning slide block (43) through a connecting plate (44); a spring (46) in a compressed state is arranged between one end, far away from the bearing platform (24), of the clamping plate (45) and the positioning sliding block (43), and the other end of the clamping plate is abutted against the upper surface of the positioning sliding block (43) and used for clamping an iron plate.

3. The punching machine with the positioning function according to claim 1, wherein: the fixing block (41) is provided with an I-shaped sliding groove (42), the positioning sliding block (43) is arranged to be an I-shaped sliding block, and the positioning sliding block (43) is connected with the fixing block (41) in a sliding mode through the sliding groove (42).

4. The punching machine with the positioning function according to claim 3, wherein: the limiting structure is provided with a plurality of clamping grooves (421) which are formed in the side wall of the sliding groove (42) and used for clamping the positioning sliding block (43).

5. The punching machine with the positioning function according to claim 1, wherein: the striker (311) is fixedly connected with the driving device (6) through a pressing die, the pressing die comprises a fixed pressing die (31) arranged below the driving device (6), a pressing die (32) located below the fixed pressing die (31) and used for pressing an iron plate, and a plurality of elastic pieces (312) located between the fixed pressing die (31) and the pressing die (32) and used for buffering the impact of the pressing die (32) on the fixed pressing die (31), and a through hole (321) is formed in the position, corresponding to the striker (311), of the pressing die (32).

6. The punching machine with the positioning function according to claim 5, wherein: be provided with counterpoint subassembly (5) between plummer (24) and stamping die (32), counterpoint subassembly (5) include sleeve (51) that one end and stamping die (32) are connected and counterpoint pole (52) that one end and plummer (24) are connected.

7. The punching machine with the positioning function according to claim 1, wherein: the upper surface of workstation (2) is provided with spacing spout (21) and slides through spacing spout (21) and workstation (2) and be connected and be used for fixing fixed subassembly (23) on workstation (2) with plummer (24).

8. The punching machine with the positioning function according to claim 7, wherein: the fixing assembly (23) comprises a sliding block (231) with the lower end matched with the limiting sliding groove (21) and connected with the limiting sliding groove (21) in a sliding mode, a fixing screw (232) connected with the sliding block (231) and a fixing plate (233) connected with the fixing screw (232) in a sliding mode and used for pressing the bearing table (24) on the workbench (2), a bolt (235) penetrating through the upper surface of the sliding block (231) to be in contact with the workbench (2) and connected with the sliding block (231) in a threaded mode, and a pressing nut (234) connected with the fixing screw (232) in a threaded mode.

9. The punching machine with the positioning function according to claim 1, wherein: a material passing port for leading the waste out of the workbench (2) is formed in the center of the workbench (2); the upper surface of the bearing table (24) is provided with a plurality of material through holes (241), and the material through holes (241) are communicated with the material through opening (22); the upper port of the material passing hole (241) is provided with a punching assembly (244), the upper surface of the punching assembly (244) is flush with the upper surface of the bearing table (24), a limiting hole (2442) is arranged on the punching assembly (244), and the inner diameter of the material passing hole (241) is larger than that of the limiting hole (2442).

10. The punching machine with the positioning function according to claim 9, wherein: the bearing table (24) is provided with a plurality of mounting grooves (243) for mounting the punching assembly (244), one end face of the punching assembly (244) is provided with a plurality of fixing feet (2441), and fixing grooves (2431) matched with the fixing feet (2441) are arranged in the mounting grooves (243).